diff --git a/.agents/notes/archived/feature/2026-07-29-addressable-queue-operations.md b/.agents/notes/archived/feature/2026-07-29-addressable-queue-operations.md
index 258e4e4e50..4b4d565c1c 100644
--- a/.agents/notes/archived/feature/2026-07-29-addressable-queue-operations.md
+++ b/.agents/notes/archived/feature/2026-07-29-addressable-queue-operations.md
@@ -19,7 +19,7 @@ The Web queue rendered pending messages but could not edit or delete one row. `M
 
 **Queue addresses require a live Agent.** `session.updateQueue` queries only the mounted Agent registry and never resumes a cold session: an `InboxItemId` is process-local and cannot name work after restart or disposal. A missing Agent and a driver-claimed occurrence both return `queue-item-not-found`.
 
-**Web actions address Queue only.** The Host excludes pending steering from `session/queue`; steering retains its existing durable transcript path after consumption. QueueDock hides while empty, renders one pending occurrence directly, and defaults two or more occurrences to a collapsed `"<n> 条排队消息"` header that expands or collapses the complete list. The header exposes `aria-expanded` and `aria-controls`; the expanded list scrolls within a 180px height bound. An active edit or mutation keeps its rows visible, and emptying the queue restores the collapsed default for the next queue. Visible rows expose edit and delete, but no send-now control. The UI derives queue row and mutation types from the runtime `SessionFace` contract rather than importing the connection plugin, so plugin cooperation continues through services and snapshots. Edit is available only when all content blocks are text; the editor cannot silently drop non-text blocks. An editing row exposes only save and cancel, with Enter and Escape as their keyboard equivalents. Delete removes the exact occurrence.
+**Web actions address Queue only.** The Host excludes pending steering from `session/queue`; steering retains its existing durable transcript path after consumption. QueueDock hides while empty, renders one pending occurrence directly, and defaults two or more occurrences to a collapsed `"<n> 条排队消息"` header that expands or collapses the complete list. The header exposes `aria-expanded` and `aria-controls`; the expanded list scrolls within a 180px height bound. An active edit or mutation keeps its rows visible, and emptying the queue restores the collapsed default for the next queue. Visible rows expose edit and delete, but no send-now control. The UI derives queue row and mutation types from the runtime `SessionFace` contract rather than importing the connection plugin, so plugin cooperation continues through services and snapshots. Edit is available only when all content blocks are text; the editor cannot silently drop non-text blocks. An editing row exposes only save and cancel, with Enter and Escape as their keyboard equivalents. Delete removes the exact occurrence. The Web stop action preserves pending Queue work; AgentLoop claims the next waking occurrence only after the interrupted turn reaches quiescence, and its dequeue event retires that row without a browser resend.
 
 ## Alternatives considered
 
@@ -35,10 +35,10 @@ The Web queue rendered pending messages but could not edit or delete one row. `M
 
 ## Verification
 
-AgentLoop contract tests hold prompt admission while editing and removing exact queued occurrences, reject mutations of steering occurrences, and verify the resulting independent turn and terminal lifecycle events. Host schema and proxy tests cover queued-only authoritative snapshots, synchronous re-entrant mutation order, reconnect, cold-Agent rejection, typed not-found errors, and the RPC transport. Client runtime and QueueDock tests cover non-optimistic projection, single-row presentation, default multi-row collapse, interaction-forced visibility, reset after emptying, expansion, text-only editing, save and cancel affordances, removal, retirement races, and disabled mixed-content editing. Keyless browser scenarios capture the default collapsed header before expanding the queue and driving its exposed edit and delete actions through the built Web composition and real HTTP/SSE wire.
+AgentLoop contract tests hold prompt admission while editing and removing exact queued occurrences, reject mutations of steering occurrences, and verify the resulting independent turn and terminal lifecycle events. Host schema and proxy tests cover queued-only authoritative snapshots, synchronous re-entrant mutation order, reconnect, cold-Agent rejection, typed not-found errors, and the RPC transport. Client runtime and QueueDock tests cover non-optimistic projection, single-row presentation, default multi-row collapse, interaction-forced visibility, reset after emptying, expansion, text-only editing, save and cancel affordances, removal, retirement races, and disabled mixed-content editing. A keyless browser scenario captures the default collapsed header, drives edit and delete through the built Web composition and real HTTP/SSE wire, then stops consecutive active turns to prove the preserved FIFO advances without clearing its tail.
 
 ## Consequences
 
-Queued work gains precise row operations without becoming durable session history. Occurrence identity is a live process-local capability and disappears at claim, cancellation, disposal, or restart; reconnect recovers only queued items still held by the live Agent. Editing excludes mixed content until an editor can preserve every block, while pending steering remains outside this operation surface.
+Queued work gains precise row operations without becoming durable session history. Occurrence identity is a live process-local capability and disappears at claim, broad cancellation, disposal, or restart; the Web stop action preserves it until a later claim, while reconnect recovers only queued items still held by the live Agent. Editing excludes mixed content until an editor can preserve every block, while pending steering remains outside this operation surface.
 
 The protocol now carries full queue snapshots on each change. Queues are expected to remain short, so deterministic recovery and multi-client convergence are preferred over an incremental mutation protocol.
diff --git a/.agents/notes/archived/feature/2026-07-29-addressable-queue-operations.zh.md b/.agents/notes/archived/feature/2026-07-29-addressable-queue-operations.zh.md
index b4370d8789..1752c03465 100644
--- a/.agents/notes/archived/feature/2026-07-29-addressable-queue-operations.zh.md
+++ b/.agents/notes/archived/feature/2026-07-29-addressable-queue-operations.zh.md
@@ -19,7 +19,7 @@ Web 队列能够渲染待处理消息，但无法编辑或删除其中某一行
 
 **Queue 寻址要求 Agent 存活。** `session.updateQueue` 只查询已挂载的 Agent 注册表，绝不恢复冷会话：`InboxItemId` 属于进程本地标识，无法在重启或资源释放后继续指向工作。Agent 缺失和单次入队项已被驱动器认领这两种情况都返回 `queue-item-not-found`。
 
-**Web 操作只面向 Queue。** Host 从 `session/queue` 中排除待处理 steering；steering 消费后仍沿用既有的持久 transcript（文本记录）路径。QueueDock 在队列为空时隐藏，只有一个待处理项时直接渲染该行，存在两个或更多待处理项时则默认收起为可展开或收起完整列表的 `"<n> 条排队消息"` 表头。表头暴露 `aria-expanded` 和 `aria-controls`；展开后的列表以 180px 为高度上限，并可滚动。存在进行中的编辑或变更时，列表行会保持可见；队列清空后，下一次出现队列时会恢复默认收起状态。可见行暴露编辑和删除操作，不提供立即发送控件。UI 从运行时 `SessionFace` 契约派生队列行与变更类型，而不是导入连接插件，因此插件仍通过服务和快照协作。仅当所有内容块都是文本时才提供编辑功能；编辑器不能静默丢弃非文本块。编辑中的行只展示保存和取消操作，对应的键盘操作分别是 Enter 和 Escape。删除会移除对应的精确入队项。
+**Web 操作只面向 Queue。** Host 从 `session/queue` 中排除待处理 steering；steering 消费后仍沿用既有的持久 transcript（文本记录）路径。QueueDock 在队列为空时隐藏，只有一个待处理项时直接渲染该行，存在两个或更多待处理项时则默认收起为可展开或收起完整列表的 `"<n> 条排队消息"` 表头。表头暴露 `aria-expanded` 和 `aria-controls`；展开后的列表以 180px 为高度上限，并可滚动。存在进行中的编辑或变更时，列表行会保持可见；队列清空后，下一次出现队列时会恢复默认收起状态。可见行暴露编辑和删除操作，不提供立即发送控件。UI 从运行时 `SessionFace` 契约派生队列行与变更类型，而不是导入连接插件，因此插件仍通过服务和快照协作。仅当所有内容块都是文本时才提供编辑功能；编辑器不能静默丢弃非文本块。编辑中的行只展示保存和取消操作，对应的键盘操作分别是 Enter 和 Escape。删除会移除对应的精确入队项。Web 停止操作会保留待处理 Queue 工作；只有在被中断轮次达到完全停稳后，AgentLoop 才认领下一个可唤醒入队项，其出队事件会退役该行，无需浏览器重发。
 
 ## 考虑过的替代方案
 
@@ -35,10 +35,10 @@ Web 队列能够渲染待处理消息，但无法编辑或删除其中某一行
 
 ## 验证
 
-AgentLoop 契约测试会在编辑和移除精确 queued 入队项时阻塞提示词接纳，拒绝对 steering 入队项的变更，并验证所得独立轮次及终态生命周期事件。Host schema 与代理测试覆盖仅含 queued 项的权威快照、同步可重入变更顺序、重连、拒绝冷 Agent、类型化 not-found 错误和 RPC 传输。客户端运行时和 QueueDock 测试覆盖非乐观投影、单行呈现、多行默认收起、交互期间强制保持可见、清空后重置、展开、仅文本编辑、保存与取消入口、移除、退役竞态，以及禁用混合内容编辑。无密钥浏览器场景会先捕获默认收起的表头，再展开队列，并通过构建后的 Web 组合和真实 HTTP／SSE 协议操作其公开的编辑和删除。
+AgentLoop 契约测试会在编辑和移除精确 queued 入队项时阻塞提示词接纳，拒绝对 steering 入队项的变更，并验证所得独立轮次及终态生命周期事件。Host schema 与代理测试覆盖仅含 queued 项的权威快照、同步可重入变更顺序、重连、拒绝冷 Agent、类型化 not-found 错误和 RPC 传输。客户端运行时和 QueueDock 测试覆盖非乐观投影、单行呈现、多行默认收起、交互期间强制保持可见、清空后重置、展开、仅文本编辑、保存与取消入口、移除、退役竞态，以及禁用混合内容编辑。一个无密钥浏览器场景会捕获默认收起的表头，通过构建后的 Web 组合和真实 HTTP／SSE 协议执行编辑和删除，随后连续停止活动轮次，证明保留的 FIFO 会继续推进且不清空队尾。
 
 ## 后果
 
-queued 工作获得精确的行操作，但不会因此成为持久会话历史。单次入队标识是进程本地的实时寻址凭据，会在认领、取消、dispose 或重启时消失；重连只能恢复仍由活跃 Agent 持有的 queued 项。编辑会排除混合内容，直至编辑器能够保留每个块；待处理 steering 则不属于此操作接口。
+queued 工作获得精确的行操作，但不会因此成为持久会话历史。单次入队标识是进程本地的实时寻址凭据，会在认领、广义取消、dispose 或重启时消失；Web 停止操作会将其保留到后续认领，而重连只能恢复仍由活跃 Agent 持有的 queued 项。编辑会排除混合内容，直至编辑器能够保留每个块；待处理 steering 则不属于此操作接口。
 
 现在，协议会在每次变更时携带完整队列快照。队列预期保持较短，因此系统优先选择确定性恢复和多客户端收敛，而非增量变更协议。
diff --git a/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.i18n.yaml b/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.i18n.yaml
index 8372358c88..775f566cf6 100644
--- a/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.md
-2026-06-21-bounded-llm-request-recovery.md: 3efb0bb62e10b3ee34af6358902a48f15b835245
-2026-06-21-bounded-llm-request-recovery.zh.md: 5477c8ea3bb4fc019fb99d4da616b3cc15f72044
+2026-06-21-bounded-llm-request-recovery.md: 587f2d26eee922e91c8797018964f983890eb8ec
+2026-06-21-bounded-llm-request-recovery.zh.md: 4fb03987ac61536a6cec70f45fb34d584c8ec4d9
diff --git a/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.md b/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.md
index 3efb0bb62e..587f2d26ee 100644
--- a/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.md
+++ b/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.md
@@ -60,11 +60,11 @@ For an eligible failure with budget remaining, the one-based transient retry cou
 
 The plugin owns a lifetime `AbortController` and tracks every active recovery callback, including delegated waterfall work and backoff. Effect cleanup first unregisters the listener, then aborts and awaits the active callbacks; abort wins over a late delegated retry decision, and a captured callback can neither retry nor enter the rest of its waterfall after disposal. This makes HMR disposal quiescent even though Cordis has already captured the listener.
 
-Before sleeping, `dsh-llm-retry` appends one non-surface `llm/retry` session event containing the turn, failed step, provider, policy mode, complete resolved-policy key, provider-policy retry number, mode-specific finite maximum when present, scheduled delay, and `LlmFailure`. The key sorts the code set and separates retry histories when a provider route is replaced by a behaviorally different same-mode policy. The plugin owns the `SessionEventMap` augmentation; `dsh-session` remains generic persistence and does not absorb the optional policy's vocabulary. The event says what was scheduled, not that the next request completed; cancellation during the delay is subsequently visible on `turn/end`. The event ships only with a production renderer and replay/snapshot coverage, because its purpose is operational state rather than trace collection.
+Before sleeping, `dsh-llm-retry` appends one non-surface `llm/retry` session event containing the turn, failed step, provider, policy mode, complete resolved-policy key, provider-policy retry number, mode-specific finite maximum when present, scheduled delay, and `LlmFailure`. The key sorts the code set and separates retry histories when a provider route is replaced by a behaviorally different same-mode policy. The plugin owns the `SessionEventMap` augmentation and exports the payload through its browser-safe `./types` subpath; `dsh-session` remains generic persistence and does not absorb the optional policy's vocabulary. The event says what was scheduled, not that the next request completed; cancellation during the delay is subsequently visible on `turn/end`. The event ships with production renderers and replay/snapshot coverage, because its purpose is operational state rather than trace collection.
 
 The listener calls `next()` for a non-transient code, an exhausted policy budget, or an over-cap provider delay. This preserves composition with context-overflow recovery and later policy plugins. For an owned failure it records and awaits the delay, then returns `{ kind: 'retry' }` without delegating. Turn cancellation and plugin disposal end the wait without returning a retry; the loop's cancellation/disposal checks remain authoritative.
 
-The agent-spine demo bundle loads the plugin so the shared stdio/TUI, one-shot CLI, and ACP example compositions use the same provider-routed policy. Library consumers retain explicit plugin composition: omitting the plugin leaves request failures terminal.
+The agent-spine demo bundle loads the plugin so the shared stdio/TUI, one-shot CLI, ACP, and headless example compositions use the same provider-routed policy. The shipped Web composition also loads it, so browser and command-line requests use the same provider defaults. Library consumers retain explicit plugin composition: omitting the plugin leaves request failures terminal.
 
 ### Make one layer own visible attempts
 
@@ -82,9 +82,9 @@ Boundary tests prove termination at both actual transports. The hand-written ada
 
 ### Keep attempts separate in the existing log
 
-A failed attempt may leave `assistant/chunk` events in its closed step, but it never appends `assistant/message` and never dispatches a tool. A retry closes the failed turn, opens the next numbered turn, reconstructs the request from the durable surface, and produces its own chunks. UIs may render live chunks while a step is open, then mark or clear that transient view when `llm/retry` identifies the failed step or `turn/end` records failure; message derivation continues to ignore the failed chunks.
+A failed attempt may leave `assistant/chunk` events in its closed step, but it never appends `assistant/message` and never dispatches a tool. A retry closes the failed turn, opens the next numbered turn, reconstructs the request from the durable surface, and produces its own chunks. UIs may render live chunks while a step is open, then mark or clear that transient view when `llm/retry` identifies the failed step or `turn/end` records failure. Web validates the complete retry payload contract, clears the failed partial at `llm/retry`, projects consecutive retry-turn events into one stable row updated to the latest attempt, and derives scheduled, started, or cancelled status from subsequent turn facts. Its countdown anchors the scheduled delay to browser receipt rather than the Host event clock, uses ceiling-rounded seconds with a one-second floor, animates only while unresolved, and keeps exact latest failure details collapsed behind the row. Retry nodes anchor their own trajectory turn even when the failed attempt has no assistant node. Message derivation continues to ignore the failed chunks, and Web applies the same projection during history rebuild so refreshing cannot resurrect discarded partials or duplicate retry rows.
 
-If recovery is exhausted, the final failure is stored once on `turn/end.reason` with the structured facts. If transient recovery continues, `llm/retry` is the durable home for that attempt's failure and delay. No standalone final-error event or response-id vocabulary is added.
+If recovery is exhausted, the final failure is stored once on `turn/end.reason` with the structured facts. Web derives one `turn-error` node at that sequence position and renders its display-safe message and optional code inline; AUTH projections replace provider copy that may echo credential fragments with `API key is invalid`, while the raw diagnostic remains in the session log. The same fold runs for live events and history replay. If transient recovery continues, `llm/retry` is the durable home for that attempt's failure and delay, so its failed turn does not also gain a terminal error row. No standalone final-error event or response-id vocabulary is added.
 
 ## Out of scope
 
@@ -116,7 +116,7 @@ If recovery is exhausted, the final failure is stored once on `turn/end.reason`
 - Pure unit tests cover transient-code selection, exponential backoff and jitter bounds, valid and over-cap `Retry-After`, exhausted budgets, deterministic timer/random seams, and abort during backoff.
 - Real agent-loop tests cover failure before chunks, partial chunks then failure, thrown and in-band failures, retry to success in a new turn, exhaustion to structured `turn/end.reason`, and composition with `dsh-compact-basic` context-overflow recovery.
 - The partial-chunk integration test proves failed chunks remain attributed to the failed step, no assistant message or tool side effect is committed for that step, and the successful retry has distinct provenance.
-- The plugin-owned `llm/retry` event is non-surface, survives JSONL and SQLite round trips, is ignored by message derivation, and drives TUI retraction plus scheduled-retry rendering. Keyless snapshots cover scheduling, cancellation, success, and exhaustion; ACP automation snapshots confirm that a discarded attempt stays off the wire while the recovered reply is emitted.
+- The plugin-owned `llm/retry` event is non-surface, survives JSONL and SQLite round trips, is ignored by message derivation, and drives TUI and Web retraction plus scheduled-retry rendering. Client tests cover complete wire validation, clock-independent countdown, cancellation versus completed retry labels, and trajectory attribution; keyless UI snapshots cover Web scheduling and success, a real Web composition test covers partial transport failure through recovery, and ACP automation snapshots confirm that a discarded attempt stays off the wire while the recovered reply is emitted.
 - Idle-watchdog tests prove the stable signal is rearmed only while `next()` is outstanding, disarmed during consumer think time and in `finally`, and classified separately from a total-call deadline and an earlier caller abort; adapter tests prove the signal stops the underlying request rather than merely detaching it.
 - Direct `ctx.llm.stream()` callers remain single-attempt and receive the same structured failure facts.
 
diff --git a/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.zh.md b/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.zh.md
index 5477c8ea3b..4fb03987ac 100644
--- a/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.zh.md
+++ b/.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.zh.md
@@ -60,11 +60,11 @@ agent loop（智能体循环）会将终止 finish 的 `LlmFailure` 传给 `agen
 
 插件拥有一个全生命期 `AbortController`，并跟踪每个活跃的恢复回调，包括委托的 waterfall（瀑布式事件）工作与退避。effect 清理会先注销监听器，再中止并等待活跃回调；中止会胜过较晚到达的委托重试决策，被捕获的回调在插件释放后既不能重试，也不能进入其 waterfall 的剩余部分。尽管 Cordis 已捕获该监听器，此设计仍能使 HMR（热模块替换）释放达到完全停稳。
 
-休眠前，`dsh-llm-retry` 会追加一条不进入表层的 `llm/retry` 会话事件，其中包含轮次、失败步骤、提供方、策略 mode、完整的解析策略 key、提供方策略重试编号、该 mode 存在时的有限上限、计划延迟和 `LlmFailure`。该 key 会对 code 集排序，并在提供方路由被行为不同但 mode 相同的策略替换时分隔重试历史。该插件拥有 `SessionEventMap` 声明合并；`dsh-session` 继续负责通用持久化，不会吸收可选策略的词汇。事件记录已安排的内容，而不是下一个请求已完成；延迟期间取消随后会在 `turn/end` 中可见。因为该事件的目的是表示运行状态，而不是收集跟踪数据，所以它仅与生产渲染器及回放／快照覆盖一起交付。
+休眠前，`dsh-llm-retry` 会追加一条不进入表层的 `llm/retry` 会话事件，其中包含轮次、失败步骤、提供方、策略 mode、完整的解析策略 key、提供方策略重试编号、该 mode 存在时的有限上限、计划延迟和 `LlmFailure`。该 key 会对 code 集排序，并在提供方路由被行为不同但 mode 相同的策略替换时分隔重试历史。该插件拥有 `SessionEventMap` 声明合并，并通过其浏览器安全的 `./types` 子路径导出载荷；`dsh-session` 继续负责通用持久化，不会吸收可选策略的词汇。事件记录已安排的内容，而不是下一个请求已完成；延迟期间取消随后会在 `turn/end` 中可见。因为该事件的目的是表示运行状态，而不是收集跟踪数据，所以它会与生产渲染器及回放／快照覆盖一起交付。
 
 对非暂时性 code、耗尽的策略预算或超出上限的提供方延迟，监听器会调用 `next()`。这保留了与上下文溢出恢复及后续策略插件的组合能力。对自身处理的失败，它会记录并等待延迟，然后在不委托的情况下返回 `{ kind: 'retry' }`。轮次取消和插件释放会结束等待且不返回重试动作，此后仍以循环的取消／释放检查为准。
 
-agent-spine 演示组合包加载该插件，因此共享的 stdio/TUI、一次性 CLI（命令行界面）和 ACP（Agent Client Protocol）示例组合使用同一套按提供方路由的策略。库消费方仍需显式组合插件：省略该插件时，请求失败保持终态。
+agent-spine 演示组合包加载该插件，因此共享的 stdio/TUI、一次性 CLI（命令行界面）、ACP（Agent Client Protocol）和 headless 示例组合使用同一套按提供方路由的策略。随产品交付的 Web 组合也会加载该插件，因此浏览器请求与命令行请求使用相同的提供方默认值。库消费方仍需显式组合插件：省略该插件时，请求失败保持终态。
 
 ### 由单一层负责可见的尝试
 
@@ -82,9 +82,9 @@ agent-spine 演示组合包加载该插件，因此共享的 stdio/TUI、一次
 
 ### 在现有日志中分隔尝试
 
-一次失败尝试可以在已关闭的步骤中留下 `assistant/chunk` 事件，但绝不会追加 `assistant/message`，也不会分发工具。重试会关闭失败轮次，开启下一个编号轮次，从持久表层重建请求，并生成自己的分片。步骤仍处于打开状态时，UI 可以渲染实时分片；当 `llm/retry` 标识失败步骤，或 `turn/end` 记录失败时，UI 再标记或清除这份暂时视图。消息派生仍会忽略失败分片。
+一次失败尝试可以在已关闭的步骤中留下 `assistant/chunk` 事件，但绝不会追加 `assistant/message`，也不会分发工具。重试会关闭失败轮次，开启下一个编号轮次，从持久表层重建请求，并生成自己的分片。步骤仍处于打开状态时，UI 可以渲染实时分片；当 `llm/retry` 标识失败步骤，或 `turn/end` 记录失败时，UI 再标记或清除这份暂时视图。Web 会验证完整的重试载荷契约，在 `llm/retry` 到达时清除失败的部分输出，将连续重试轮次的事件投影为稳定的一行，并用最新一次尝试更新该行，再从后续轮次事实派生 scheduled、started 或 cancelled 状态。倒计时以浏览器收到事件的时刻为计划延迟的起点，而不是使用 Host 事件时钟；它按向上取整且不低于 1 秒的秒数显示，仅在重试尚未结束时显示动画，并把最近一次失败的准确详情折叠在该行之后。即使失败尝试没有 assistant 节点，重试节点也会锚定自身的轨迹轮次。消息派生仍会忽略失败分片；Web 在重建历史时也会应用同一投影，因此刷新页面不会让已丢弃的部分输出重新出现，也不会生成重复的重试行。
 
-如果恢复预算耗尽，最终失败会连同结构化事实在 `turn/end.reason` 中存储一次。如果暂时性恢复继续，`llm/retry` 就是该次尝试的失败与延迟的持久归属位置。本决策不增加独立的最终错误事件或响应 id 词汇。
+如果恢复预算耗尽，最终失败会连同结构化事实在 `turn/end.reason` 中存储一次。Web 会在该序列位置派生一个 `turn-error` 节点，并内联渲染适合展示的消息与可选错误码；AUTH 投影会把可能回显凭据片段的提供方文案替换为 `API key is invalid`，原始诊断仍保留在会话日志中。实时事件和历史回放使用同一套折叠逻辑。如果暂时性恢复继续，`llm/retry` 就是该次尝试的失败与延迟的持久归属位置，因此该失败轮次不会再获得终态错误行。本决策不增加独立的最终错误事件或响应 id 词汇。
 
 ## 不在范围内
 
@@ -116,7 +116,7 @@ agent-spine 演示组合包加载该插件，因此共享的 stdio/TUI、一次
 - 纯单元测试覆盖暂时性 code 选择、指数退避和抖动边界、有效及超出上限的 `Retry-After`、耗尽的预算、确定性定时器／随机数 seam，以及退避期间中止。
 - 真实 agent-loop 测试覆盖分片前失败、部分分片后失败、抛出及带内失败、在新轮次中重试至成功、耗尽后写入结构化 `turn/end.reason`，以及与 `dsh-compact-basic` 上下文溢出恢复的组合。
 - 部分分片集成测试证明：失败分片仍归属于失败步骤，该步骤不会提交 assistant 消息或工具副作用，成功的重试具有不同的来源信息。
-- 插件拥有的不进入表层的 `llm/retry` 事件可在 JSONL 和 SQLite 往返后保留，被消息派生忽略，并驱动 TUI 撤回和计划重试渲染。无密钥快照覆盖调度、取消、成功和耗尽；ACP 自动化快照确认，被丢弃的尝试不会通过协议发出，而恢复后的回复会正常发出。
+- 插件拥有的不进入表层的 `llm/retry` 事件可在 JSONL 和 SQLite 往返后保留，被消息派生忽略，并驱动 TUI 和 Web 撤回及计划重试渲染。客户端测试覆盖完整的 wire 验证、独立于时钟的倒计时、已取消与已完成重试标签的区别以及轨迹归属；无密钥 UI 快照覆盖 Web 的调度与成功，真实 Web 组合测试覆盖部分传输失败直至恢复，ACP 自动化快照确认，被丢弃的尝试不会通过协议发出，而恢复后的回复会正常发出。
 - 空闲看门狗测试证明：只有 `next()` 尚未完成时才会重新布防稳定信号；在消费方思考期间及 `finally` 中会解除布防；它与总调用 deadline 以及更早发生的调用方中止分开分类。适配器测试证明该信号会终止底层请求，而不只是与其脱离。
 - `ctx.llm.stream()` 的直接调用方仍只尝试一次，并收到相同的结构化失败事实。
 
diff --git a/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.i18n.yaml
index 70618612a2..e603129715 100644
--- a/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.md
-2026-07-19-gui-layering-and-rpc-protocol.md: b9718da4725316c64686adef24827e2984d8723d
-2026-07-19-gui-layering-and-rpc-protocol.zh.md: 2add148054e8f97c65600cd719fb4f8e0283f52d
+2026-07-19-gui-layering-and-rpc-protocol.md: b7081591cf7e5e3c586c74c5a71b4317376135cb
+2026-07-19-gui-layering-and-rpc-protocol.zh.md: 89557182ca7781f4fb59b8daf866aaca96cf20ee
diff --git a/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.md b/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.md
index b9718da472..b7081591cf 100644
--- a/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.md
+++ b/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.md
@@ -204,7 +204,7 @@ The same domain tree as `ApiProxy`, but unary methods **take the business payloa
 | `callUnary` | mint → tap → POST full form → `serverResponseSchema` parse → **rpcId echo check** (mismatch throws) → tap → emit narrow form |
 | `readSse` | streaming fetch (not EventSource), `\n\n` framing, `data:` concatenation, ServerRequest full-form parse, tap, emit narrow `RpcRequest<frame>` |
 | `respond` | client-response passthrough (rpcId is an echo — never minted here); response body parsed by `rpcReceiptSchema` |
-| unary timeout | `AbortSignal.timeout` (default 30s, constructor-tunable); streams have no timeout (long-lived by nature) |
+| unary deadline | Ordinary unary calls use `AbortSignal.timeout` (default 30s, constructor-tunable); user-paced `host.pickDirectory` and `command.execute` omit that deadline but keep caller/connection cancellation; streams have no deadline |
 | `resolveBase` | browser = same-origin origin; no-location environment (Node) = the `http://dsh.internal` fake authority |
 
 ### The instance-level envelope observation aspect
@@ -234,7 +234,7 @@ All four quadrant full forms pass through `onEnvelope`; the base implementation
 
 ## Consequences
 
-Every client shape consumes one contract: adding a unary method is a five-step mechanical change radiating from a single signature, swapping a carrier touches only a `doFetch` subclass, and every wire message is zod-validated, observable through the envelope tap, and reconcilable by rpcId. The accepted costs: two groups of packages need explicit tsconfig paths entries, and the reserved seams (fork/inject/task.list/listModels/hostInstanceId) stay dormant until a real consumer arrives.
+Every client shape consumes one contract: adding a unary method is a five-step mechanical change radiating from a single signature, swapping a carrier touches only a `doFetch` subclass, and every wire message is zod-validated, observable through the envelope tap, and reconcilable by rpcId. Ordinary unary calls remain bounded, while `host.pickDirectory` and `command.execute` may stay pending until the operation finishes or caller/connection cancellation arrives; this accepts that a non-cooperative user-paced operation can hang its request rather than treating valid operation duration as transport failure. The other accepted costs: two groups of packages need explicit tsconfig paths entries, and the reserved seams (fork/inject/task.list/listModels/hostInstanceId) stay dormant until a real consumer arrives.
 
 ## Alternatives considered
 
@@ -252,3 +252,4 @@ Every client shape consumes one contract: adding a unary method is a five-step m
 | A DTO layer (a second wire-only structure set) | Core types reach the browser type-only at zero cost; a DTO is a permanent two-way synchronization tax |
 | Cursor resumption (implementing mux since) | Reconnect = rebuild (opencode-style) covers all v1 needs; the signature keeps the seat, implementation waits for a real consumer |
 | A createApiClient factory function (the original implementation) | Platform differences (transport/observation) are inheritance aspects, not parameters; the class family lets the fixture substitute at the protocol layer instead of wrapping a fake envelope |
+| Applying the 30-second transport deadline to `command.execute` | Command duration is operation work, not a transport-health budget; the deadline kills valid long-running handlers, while caller/connection cancellation already supplies the required stop path |
diff --git a/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.zh.md b/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.zh.md
index 2add148054..89557182ca 100644
--- a/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-19-gui-layering-and-rpc-protocol.zh.md
@@ -202,7 +202,7 @@ export type ResponseValue<K> =
 | `callUnary` | mint → tap → POST 全形 → `serverResponseSchema` parse → **rpcId 回显校验**（不符即 throw）→ tap → 吐窄形 |
 | `readSse` | streaming fetch（非 EventSource）、`\n\n` 分帧、`data:` 拼接、ServerRequest 全形 parse、tap、吐窄形 `RpcRequest<帧>` |
 | `respond` | client-response 透传（rpcId 是回填，此处不 mint）；应答体 `rpcReceiptSchema` parse |
-| unary 超时 | `AbortSignal.timeout`（默认 30s，构造参数可调）；流不设超时（长连接本性） |
+| unary 时限 | 普通 unary 调用使用 `AbortSignal.timeout`（默认 30s，构造参数可调）；由用户掌控节奏的 `host.pickDirectory` 和 `command.execute` 不设该时限，但保留调用方／连接取消；流不设时限 |
 | `resolveBase` | 浏览器=同源 origin；无 location 环境（Node）=`http://dsh.internal` 假 authority |
 
 ### 实例级 envelope 观测切面
@@ -232,7 +232,7 @@ export type ResponseValue<K> =
 
 ## Consequences
 
-所有 client 形态消费同一契约：加一个 unary 方法是从单一签名辐射的五步机械改动，换载体只动一个 `doFetch` 子类，wire 上每条消息可 zod 校验、可经 envelope tap 观测、可按 rpcId 对账。接受的代价：两组包需要显式 tsconfig paths 条目；预留接缝（fork/inject/task.list/listModels/hostInstanceId）在真实消费者出现前保持休眠。
+所有 client 形态消费同一契约：加一个 unary 方法是从单一签名辐射的五步机械改动，换载体只动一个 `doFetch` 子类，wire 上每条消息可 zod 校验、可经 envelope tap 观测、可按 rpcId 对账。普通 unary 调用仍受时限约束，而 `host.pickDirectory` 与 `command.execute` 可保持挂起，直到操作完成或调用方／连接取消到来；若由用户掌控节奏的操作不自行结束，请求可能一直挂起，这是为避免把合理的操作时长视为传输失败而接受的代价。其余接受的代价：两组包需要显式 tsconfig paths 条目；预留接缝（fork/inject/task.list/listModels/hostInstanceId）在真实消费者出现前保持休眠。
 
 ## Alternatives considered
 
@@ -250,3 +250,4 @@ export type ResponseValue<K> =
 | DTO 层（wire 专用第二套结构） | core 类型 type-only 直达浏览器零成本；DTO 是永久的双向同步税 |
 | cursor 续传（mux since 实装） | 重连=重建（opencode 同款）覆盖 v1 全部需求；签名留座，实装等真实消费者 |
 | createApiClient 工厂函数（原实现） | 平台差异（传输/观测）是继承切面不是参数；类体系让 fixture 在协议层替换而不是包一层假信封 |
+| 对 `command.execute` 应用 30 秒传输时限 | 命令耗时属于操作本身，而非传输健康预算；该时限会终止本应继续运行的长时处理器，调用方／连接取消已提供所需的停止路径 |
diff --git a/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.i18n.yaml
index e4b0447cdd..4530d5ee57 100644
--- a/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.i18n.yaml
@@ -1,6 +1,6 @@
 # Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
-#   pnpm run verify-translation-pairing --write
-2026-07-19-gui-web-client-architecture.md: cfc2a7e62358e6282148b2d024ef3b162a903642
-2026-07-19-gui-web-client-architecture.zh.md: b5b082c25f664cfcb0ddd3fcc6c4cd3d58472218
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.md
+2026-07-19-gui-web-client-architecture.md: 63b6f5795c3d49f25cd964cf04a0c9d41a667bfb
+2026-07-19-gui-web-client-architecture.zh.md: 2d57c12ebae38aafa4e606da95af954990761b3c
diff --git a/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.md b/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.md
index cfc2a7e623..63b6f5795c 100644
--- a/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.md
+++ b/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.md
@@ -50,7 +50,7 @@ There is no registration model besides slots — the former view and tool rings
 
 ## The data object layer (`packages/client/runtime/src/client/sessions/`)
 
-Frames enter, snapshots exit, the fold sits between — React-free (zero React imports, grep-assertable):
+Frames enter, snapshots exit, the projection sits between — React-free (zero React imports, grep-assertable):
 
 ```
 mux/host 帧（ConnectionController 泵入，sinks 注入）
@@ -62,17 +62,17 @@ SessionManager.handleMuxEnvelope / handleHostEnvelope
 Session.handleMuxEnvelope ──► events 窗口（seq 连续升序）
         │                        │ 定稿事件            │ chunk
         │                        ▼                    ▼
-        │                   FoldAdapter        PartialAccumulator
+        │                TranscriptAdapter     PartialAccumulator
         │                  （→ nodes）          （→ partial）
         ▼
 Notifier 微任务合批 ──► ConversationSnapshot 缓存 ──uSES──► 组件
 ```
 
-- **Session** (session.ts): lazily built, resident — once created it keeps eating frames in the background, so switching away and back renders instantly. Operations: `prompt`/`cancel` (RPC passthrough; failures land in the snapshot's `promptError`), `open` (pull the tail history page, idempotent), `loadOlder` (upward paging, reentry-guarded), `resync` (reconnect = clear the window and rerun open). Subscription: `subscribe`/`getSnapshot` (always the cached reference) — `implements ObservableSnapshot<ConversationSnapshot>`, with `useSelector = bindSnapshotSelector(this)` attached at construction, so a Session is directly a uSES source. Frame dispatch is one switch: `session/event` frames dedup by seq (the only dedup key), buffer while open is in flight, otherwise append + incremental fold; open/stitch merges the live buffer by seq and backfills once if `subscribed.lastSeq` outruns the window tail.
-- **ConversationSnapshot** (conversation.ts): the immutable snapshot contract — `nodes` (folded, surface-ordered), `partial`, `runningCalls`, `pending`, `running`, `removed`, `openState`, `hasMore`, `promptError` and kin. **Reference discipline** (the premise of memo and uSES): the top-level object is fresh on every change; the nodes array is rebuilt but element references come from the cache; unchanged substructures reuse the previous snapshot's references.
+- **Session** (session.ts): lazily built, resident — once created it keeps eating frames in the background, so switching away and back renders instantly. Operations: `prompt`/`cancel` (RPC passthrough; failures land in the snapshot's `promptError`), `open` (pull the tail history page, idempotent), `loadOlder` (upward paging, reentry-guarded), `resync` (reconnect = clear the window and rerun open). Subscription: `subscribe`/`getSnapshot` (always the cached reference) — `implements ObservableSnapshot<ConversationSnapshot>`, with `useSelector = bindSnapshotSelector(this)` attached at construction, so a Session is directly a uSES source. Frame dispatch is one switch: `session/event` frames dedup by seq (the only dedup key), buffer while open is in flight, otherwise append + incremental projection; open/stitch merges the live buffer by seq and backfills once if `subscribed.lastSeq` outruns the window tail.
+- **ConversationSnapshot** (conversation.ts): the immutable snapshot contract — `nodes` (the human transcript, log-ordered), `partial`, `runningCalls`, `pending`, `running`, `removed`, `openState`, `hasMore`, `promptError` and kin. **Reference discipline** (the premise of memo and uSES): the top-level object is fresh on every change; an unchanged nodes projection keeps the same array reference, while a changed flow returns a new array that reuses unchanged element references; unchanged substructures reuse the previous snapshot's references.
 - **SessionManager** (manager.ts): instance cluster + frame entry + the session list. sessionId-bearing frames go only to existing instances (a mux broadcast must not instantiate every session); approval/question `requested` frames are the exception — they never land in history, so they buffer in `pendingBuffers` and replay on instantiation.
 - **Notifier** (notifier.ts): two channels chosen by change source. `markDirty()` (default; frame-driven changes always) batches per microtask — N changes, one notification, one re-render; the flush rebuilds the snapshot cache before notifying. `notifyNow()` (only direct echoes of user gestures) rebuilds and notifies in the same tick — controlled inputs roll the DOM back and jump the caret if their echo defers to a microtask. Frame-driven code using notifyNow collapses batching back to per-frame renders; banned.
-- **FoldAdapter / PartialAccumulator**: the fold reuses the core SurfaceManager (`@deepseek-ai/dsh-session/surface`), padding sentinel events so a paged window starting at seq > 0 satisfies the core's `seq === index` assertion; a cross-window replace degrades to a tolerant linear scan and sets `foldDegraded`. Chunks stay out of the fold entirely (O(1) skip): the accumulator folds StreamChunks into `AssistantBlock[]`, a delta swapping only that block's reference, and the finalizing message discards the accumulator in the same batch (no flicker on promotion). Cost model: one chunk = one string concatenation + a dirty mark; an unsubscribed Session under a frame storm costs only the mark.
+- **TranscriptAdapter / PartialAccumulator**: the transcript is the append-origin surface projected in log order (`isAppendSurfaceEvent` from `@deepseek-ai/dsh-session/surface`) plus one marker per landed compaction checkpoint — never the model surface, which shadows replaced ranges and would erase conversation the reader already saw. Node order is seq-monotonic by construction, so there is no core `seq === index` assertion to satisfy and no degradation branch. Chunks contribute no node (O(1) skip): the accumulator folds StreamChunks into `AssistantBlock[]`, a delta swapping only that block's reference, and the finalizing message discards the accumulator in the same batch (no flicker on promotion). Cost model: one chunk = one string concatenation + a dirty mark; an unsubscribed Session under a frame storm costs only the mark.
 - **ConnectionController** (in `packages/client/connection`): opens the mux/host streams, pumps with for-await, reconnects with exponential backoff (500ms doubling to 10s, jitter, unlimited) behind a generation fence; sinks are injected one-way (the Controller does not know Session). Reconnect = rebuild: `onConnected` → list refresh + per-open-session resync. The object layer faces only `IApiClient`; the Web carriage (HTTP POST for the two client→server quadrants, SSE for the two server→client) and the client class family are the layering RFC's territory.
 
 ## The React face (`packages/client/web-react`)
diff --git a/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.zh.md b/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.zh.md
index b5b082c25f..2d57c12eba 100644
--- a/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-19-gui-web-client-architecture.zh.md
@@ -62,17 +62,17 @@ SessionManager.handleMuxEnvelope / handleHostEnvelope
 Session.handleMuxEnvelope ──► events 窗口（seq 连续升序）
         │                        │ 定稿事件            │ chunk
         │                        ▼                    ▼
-        │                   FoldAdapter        PartialAccumulator
+        │                TranscriptAdapter     PartialAccumulator
         │                  （→ nodes）          （→ partial）
         ▼
 Notifier 微任务合批 ──► ConversationSnapshot 缓存 ──uSES──► 组件
 ```
 
-- **Session**（session.ts）：懒建、常驻——建成后在后台持续吃帧，切走切回秒显。操作面：`prompt`/`cancel`（RPC 透传；失败落进快照的 `promptError`）、`open`（拉尾页 history，幂等）、`loadOlder`（向上翻页，防重入）、`resync`（重连 = 清窗口重跑 open）。订阅面：`subscribe`/`getSnapshot`（恒返缓存引用）——`implements ObservableSnapshot<ConversationSnapshot>`，构造时挂 `useSelector = bindSnapshotSelector(this)`，Session 本身就是 uSES 源。帧分发是一个 switch：`session/event` 帧按 seq 去重（唯一去重键），open 在途时缓冲，否则追加 + 增量 fold；open/缝合按 seq 合并 live 缓冲并去重，`subscribed.lastSeq` 超出窗口尾则回补一次。
-- **ConversationSnapshot**（conversation.ts）：不可变快照契约——`nodes`（fold 产物，surface 序）、`partial`、`runningCalls`、`pending`、`running`、`removed`、`openState`、`hasMore`、`promptError` 等。**引用纪律**（memo 与 uSES 的前提）：顶层对象每变必新；nodes 数组重建但元素引用来自缓存；未变的子结构复用上一快照的引用。
+- **Session**（session.ts）：懒建、常驻——建成后在后台持续吃帧，切走切回秒显。操作面：`prompt`/`cancel`（RPC 透传；失败落进快照的 `promptError`）、`open`（拉尾页 history，幂等）、`loadOlder`（向上翻页，防重入）、`resync`（重连 = 清窗口重跑 open）。订阅面：`subscribe`/`getSnapshot`（恒返缓存引用）——`implements ObservableSnapshot<ConversationSnapshot>`，构造时挂 `useSelector = bindSnapshotSelector(this)`，Session 本身就是 uSES 源。帧分发是一个 switch：`session/event` 帧按 seq 去重（唯一去重键），open 在途时缓冲，否则追加 + 增量投影；open/缝合按 seq 合并 live 缓冲并去重，`subscribed.lastSeq` 超出窗口尾则回补一次。
+- **ConversationSnapshot**（conversation.ts）：不可变快照契约——`nodes`（人类对话记录，日志序）、`partial`、`runningCalls`、`pending`、`running`、`removed`、`openState`、`hasMore`、`promptError` 等。**引用纪律**（memo 与 uSES 的前提）：顶层对象每变必新；未变化的 nodes 投影保持同一数组引用，消息流变化时返回新数组并复用未变化的元素引用；未变的子结构复用上一快照的引用。
 - **SessionManager**（manager.ts）：实例簇 + 帧总入口 + 会话列表。带 sessionId 的帧只投已存在实例（mux 广播不得把每个会话都实例化）；例外是审批/问答 `requested` 帧——它们不落 history、open 无法回补，故缓冲进 `pendingBuffers`，实例化时回放。
 - **Notifier**（notifier.ts）：两条通知通道，按变更来源取用。`markDirty()`（默认；帧驱动一律用它）按微任务合批——N 次变更、一次通知、一次重渲染；flush 先重建快照缓存再通知。`notifyNow()`（仅用户手势的直接回响）同 tick 重建并通知——受控输入的回响若延到微任务，DOM 会回滚、光标跳尾。帧驱动代码用 notifyNow 会让合批塌回逐帧渲染；禁。
-- **FoldAdapter / PartialAccumulator**：fold 复用核心 SurfaceManager（`@deepseek-ai/dsh-session/surface`），垫哨兵事件使 seq > 0 起头的分页窗口满足核心的 `seq === index` 断言；跨窗口 replace 时降级为容错线性扫描并置 `foldDegraded`。分片完全不进 fold（O(1) 跳过）：累积器把 StreamChunk 折叠成 `AssistantBlock[]`，一次增量只换该块引用；定稿消息到达即在同一批内弃掉累积器（提升无闪烁）。成本模型：一个分片 = 一次字符串拼接 + 一个脏标记；帧风暴下未订阅的 Session 只花那个标记。
+- **TranscriptAdapter / PartialAccumulator**：对话记录是按日志顺序投影的 append 来源 surface（`@deepseek-ai/dsh-session/surface` 的 `isAppendSurfaceEvent`），外加每次落地的压缩检查点一个标记——绝不用模型 surface，后者遮蔽被替换的范围，会抹掉读者已经看过的对话。节点顺序天然按 seq 单调，因此既无核心 `seq === index` 断言需要满足，也没有降级分支。分片不贡献任何节点（O(1) 跳过）：累积器把 StreamChunk 折叠成 `AssistantBlock[]`，一次增量只换该块引用；定稿消息到达即在同一批内弃掉累积器（提升无闪烁）。成本模型：一个分片 = 一次字符串拼接 + 一个脏标记；帧风暴下未订阅的 Session 只花那个标记。
 - **ConnectionController**（在 `packages/client/connection`）：开 mux/host 双流、for-await 泵入，代际围栏之内指数退避重连（500ms 翻倍至 10s 封顶、抖动、无限重试）；sinks 单向注入（Controller 不认识 Session）。重连 = 重建：`onConnected` → 列表刷新 + 各已打开会话 resync。对象层只面向 `IApiClient`；Web 承载（HTTP POST 载两个 client→server 象限、SSE 载两个 server→client 象限）与客户端类族归分层 RFC 属地。
 
 ## React 面（`packages/client/web-react`）
diff --git a/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.i18n.yaml
index f140786632..451dcd1fca 100644
--- a/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.md
-2026-07-23-client-plugin-loading-model.md: b0873b7aa7bccd3d613f3113fa18207770952e5d
-2026-07-23-client-plugin-loading-model.zh.md: f3472dbfc5a78924e77337bf92ce5983c8492c4c
+2026-07-23-client-plugin-loading-model.md: 02347f2964942b89ec1f0a6ec483f4c2b2f9e68c
+2026-07-23-client-plugin-loading-model.zh.md: ea927d35860fbbba567c47cea0ee3a45133ce0f4
diff --git a/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.md b/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.md
index b0873b7aa7..02347f2964 100644
--- a/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.md
+++ b/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.md
@@ -56,8 +56,8 @@ What happens between `dsh web` starting and the UI appearing? Three stages: the
 
 **Host side — compose the graph.**
 
-1. The composing app (`apps/cli`) ships the roster as ordinary rows in its `cordis.yml` config tree — client plugin packages are entry rows like every host plugin, and `--dev` appends the `client-hmr` row in code (`AppCLIEntry`) before the settle/sweep so the fail-loud triple covers it. A roster row that fails to import is caught by the boot's `assertEntriesLoaded`.
-2. The `dsh-client-modules` node half (the package is dual-face: its browser half is the module table) scans loader entries' package.json `dshClient` declarations and composes `window.__DSH_BOOT__`: `{ rev, entries: [{ id, url, rev, inject?, immediately? }] }`. The `inject` edges and the `immediately` mark come from manifests, never hand-copied. It refuses a declared plugin without a built `./client` bundle, and any malformed declaration field — activation-time fail loud (a FAILED fiber the sweep reports).
+1. The composing app (`apps/cli`) ships the roster as ordinary rows in its `cordis.yml` config tree — client plugin packages are entry rows like every host plugin, and `--dev` appends the `client-hmr` row in code (`AppCLIEntry`) before the host activation audit so the same check covers it. A roster row that fails to import is caught by `assertEntriesLoaded`; a row whose fiber rejects is reported with its original stack by `assertEntriesActivated` ([host boot decision](2026-07-24-web-config-tree-boot-and-transport-layering.md)).
+2. The `dsh-client-modules` node half (the package is dual-face: its browser half is the module table) scans loader entries' package.json `dshClient` declarations and composes `window.__DSH_BOOT__`: `{ rev, entries: [{ id, url, rev, inject?, immediately? }] }`. The `inject` edges and the `immediately` mark come from manifests, never hand-copied. It refuses declared plugins without built `./client` bundles and groups their package/path rows under one required source-build instruction; malformed declaration fields also fail activation, and the host audit reports either error from the FAILED fiber.
 3. Scanning is incremental per package — there is no full-rescan code path. Each cordis `internal/plugin` emission marks the fiber's entry name dirty (entry-less fibers drop O(1)); a microtask flush reconciles each dirty name against live loader entries, with package metadata (including the negative "not a client package" verdict) cached per name forever and bundle re-hashing reachable only through `rebuilt(id)`. The activation pass seeds the same dirty set from current entries and flushes synchronously, so first scan and steady state share one implementation. Each bundle's content hash is its `rev` (cache busting + HMR diff anchor), the row set hashes into `graph.rev`, and every row is fetch-served: `/plugins/<id>/client.js?rev=…`. The graph types are single-sourced in the modules package's `./impl` export — the webserver knows nothing about the graph (it is a plain route-registration plugin; modules registers the bundle route and taps the index render itself).
 
 Why is the roster yml rows and not a scan? Because which plugins compose into a deployment is a composition decision, not a package property — a dshClient package existing in the repo does not mean this deployment mounts it, so discovery-by-scan cannot make that call; the node half scans only what the tree actually mounted.
diff --git a/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.zh.md b/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.zh.md
index f3472dbfc5..ea927d3586 100644
--- a/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.zh.md
@@ -56,8 +56,8 @@ vendored Loader 经其 `internal` seam 消费模块系统——唯一调用点
 
 **host 侧——组合这张图。**
 
-1. 负责组合的 app（`apps/cli`）把名册作为普通行放进它的 `cordis.yml` 配置树——client 插件包与每个 host 插件一样是 entry 行，`--dev` 由代码（`AppCLIEntry`）在 settle/sweep 之前追加 `client-hmr` 行，使 fail-loud 三件套一并覆盖它。名册行 import 失败由 boot 的 `assertEntriesLoaded` 捕获。
-2. `dsh-client-modules` 的 node 半（该包是双面的：浏览器半就是模块表）扫描 loader entry 的 package.json `dshClient` 声明，组合出 `window.__DSH_BOOT__`：`{ rev, entries: [{ id, url, rev, inject?, immediately? }] }`。`inject` 边与 `immediately` 标记都来自 manifest，永不人肉抄写。它拒绝声明了插件却没有已构建 `./client` bundle 的包，也拒绝任何畸形的声明字段——激活期大声失败（FAILED fiber，由 sweep 上报）。
+1. 负责组合的 app（`apps/cli`）把名册作为普通行放进它的 `cordis.yml` 配置树——client 插件包与每个 host 插件一样是 entry 行，`--dev` 由代码（`AppCLIEntry`）在 host 激活检查之前追加 `client-hmr` 行，使同一项检查覆盖它。名册行 import 失败由 `assertEntriesLoaded` 捕获；fiber reject 的行则由 `assertEntriesActivated` 报告原始 stack（[host boot 决策](2026-07-24-web-config-tree-boot-and-transport-layering.md)）。
+2. `dsh-client-modules` 的 node 半（该包是双面的：浏览器半就是模块表）扫描 loader entry 的 package.json `dshClient` 声明，组合出 `window.__DSH_BOOT__`：`{ rev, entries: [{ id, url, rev, inject?, immediately? }] }`。`inject` 边与 `immediately` 标记都来自 manifest，永不人肉抄写。它会拒绝没有已构建 `./client` bundle 的已声明插件，并把它们的 package/path 行归到一条源码构建要求下；畸形声明字段同样会让激活失败，host 检查会从 FAILED fiber 报告这两类错误。
 3. 扫描是单包增量——不存在全量重扫代码路径。每次 cordis `internal/plugin` 发射把该 fiber 的 entry 名标脏（无 entry 的 fiber O(1) 丢弃）；微任务 flush 把每个脏名对账 live loader entries，包元数据（含「非 client 包」的否定结论）按名永久缓存，bundle 重哈希只经 `rebuilt(id)` 可达。激活趟从当前 entries 灌同一脏集合并同步 flush，初扫与稳态共享一条实现。每个 bundle 的内容哈希是其 `rev`（缓存失效 + HMR diff 锚点），行集合哈希进 `graph.rev`，每一行都经 fetch 供给：`/plugins/<id>/client.js?rev=…`。图类型单源在 modules 包的 `./client` 出口——webserver 对图一无所知（它是朴素路由注册插件；bundle 路由和 index 渲染 tap 都由 modules 自己注册）。
 
 为什么名册是 yml 行而不是扫描？因为哪些插件组合进一次部署是组合决策，不是包属性——一个 dshClient 包存在于仓库里，不代表这次部署要挂载它，扫描发现无从替人做这个决定；node 半只扫描配置树实际挂载了的东西。
diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml
index b1a81228cf..45e1c99967 100644
--- a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml
@@ -1,6 +1,6 @@
 # Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
-#   pnpm run verify-translation-pairing --write
-2026-07-24-single-harness-home-resolver.md: 10ed0e9f1fd6ac4630d92a66953fdf1d52b3b5f1
-2026-07-24-single-harness-home-resolver.zh.md: 1ce56281357595de134ddea285c8c2e0c1801ce9
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md
+2026-07-24-single-harness-home-resolver.md: 159ba88b7b4a8d50f1be2cbe5d9162a654014e16
+2026-07-24-single-harness-home-resolver.zh.md: 62046abca48a3c2b07fde4180031dc2186dc101f
diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md
index 10ed0e9f1f..159ba88b7b 100644
--- a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md
+++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md
@@ -22,7 +22,7 @@ One resolver owns the harness home, in `@deepseek-ai/dsh-paths`, single-root:
 explicit configured path  >  $DSH_HOME  >  ~/.dsh
 ```
 
-An empty or whitespace-only `$DSH_HOME` is treated as unset, matching the guard telemetry's old resolver carried: without it `resolve('')` would silently place the home at the current working directory. The harness keeps all user data under one root; there is no XDG config/data/cache split. `dshHomeDisplay()` names a resolved root symbolically for user-facing paths — `~/.dsh` for the default home, `$DSH_HOME` for any configured home — so the user-global `AGENTS.md` label never leaks an absolute machine path. It replaces workspace-context's bespoke default-vs-`$DSH_HOME` check.
+An empty or whitespace-only `$DSH_HOME` is treated as unset, matching the guard telemetry's old resolver carried: without it `resolve('')` would silently place the home at the current working directory. The harness keeps all user data under one root; there is no XDG config/data/cache split. `dshHomePath(...segments)` joins deployment-owned children onto that root, and `dsh-app-boot` exposes it to Loader `!!js` config expressions before mounting entries, so shipped compositions derive `sessions` and `storages` without copying the resolver. `dshHomeDisplay()` names a resolved root symbolically for user-facing paths — `~/.dsh` for the default home, `$DSH_HOME` for any configured home — so the user-global `AGENTS.md` label never leaks an absolute machine path. It replaces workspace-context's bespoke default-vs-`$DSH_HOME` check.
 
 `@deepseek-ai/dsh-home` is deleted. Its three importers (`dsh-tool-bash`, `dsh-skill-local`, `dsh-agent-spine-demo`) now import `resolveDshHome` from `dsh-paths`. `dsh-telemetry`'s `globalConfigDir` delegates to `resolveDshHome`, dropping its second resolver, the `DSH_CONFIG_HOME` override, the XDG/`%APPDATA%` branches, and the `deepseek-harness` namespace; the anonymous id now lives directly under the harness home.
 
diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md
index 1ce5628135..62046abca4 100644
--- a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md
@@ -22,7 +22,7 @@ Status: implemented
 explicit configured path  >  $DSH_HOME  >  ~/.dsh
 ```
 
-空或仅含空白的 `$DSH_HOME` 被当作未设置处理，这与 telemetry 旧解析器所带的保护一致：若无此保护，`resolve('')` 会悄悄把 home 落在当前工作目录。harness 把所有用户数据都放在同一个根目录下；不存在 XDG 的 config/data/cache 拆分。`dshHomeDisplay()` 为面向用户的路径以符号形式命名已解析的根目录——默认 home 显示为 `~/.dsh`，任何已配置的 home 显示为 `$DSH_HOME`——这样面向用户全局的 `AGENTS.md` 标签就绝不会泄露机器上的绝对路径。它取代了 workspace-context 中自定义的"默认值 vs `$DSH_HOME`"判断。
+空或仅含空白的 `$DSH_HOME` 被当作未设置处理，这与 telemetry 旧解析器所带的保护一致：若无此保护，`resolve('')` 会悄悄把 home 落在当前工作目录。harness 把所有用户数据都放在同一个根目录下；不存在 XDG 的 config/data/cache 拆分。`dshHomePath(...segments)` 将部署负责的子路径拼接到该根目录下，`dsh-app-boot` 在挂载条目前向 Loader `!!js` 配置表达式暴露它，因此出厂组合无需复制解析器即可派生 `sessions` 和 `storages`。`dshHomeDisplay()` 为面向用户的路径以符号形式命名已解析的根目录——默认 home 显示为 `~/.dsh`，任何已配置的 home 显示为 `$DSH_HOME`——这样面向用户全局的 `AGENTS.md` 标签就绝不会泄露机器上的绝对路径。它取代了 workspace-context 中自定义的"默认值 vs `$DSH_HOME`"判断。
 
 `@deepseek-ai/dsh-home` 被删除。它的三个引用方（`dsh-tool-bash`、`dsh-skill-local`、`dsh-agent-spine-demo`）现在从 `dsh-paths` 导入 `resolveDshHome`。`dsh-telemetry` 的 `globalConfigDir` 转而委托给 `resolveDshHome`，去掉了它的第二个解析器、`DSH_CONFIG_HOME` 覆盖项、XDG/`%APPDATA%` 分支以及 `deepseek-harness` 命名空间；匿名 id 现在直接存放在 harness home 之下。
 
diff --git a/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.i18n.yaml
index aa927a2e7d..d50428d5ed 100644
--- a/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.md
-2026-07-24-web-config-tree-boot-and-transport-layering.md: a2080024d36d54162f4f4aa79896e51efd708f59
-2026-07-24-web-config-tree-boot-and-transport-layering.zh.md: 1c430bf2939f9f556f378bdeb78872a0091a592d
+2026-07-24-web-config-tree-boot-and-transport-layering.md: 88f94b1f58ae7a3451c7772f4a9ff7d6564254c0
+2026-07-24-web-config-tree-boot-and-transport-layering.zh.md: ea2a8f70a6c2d4207d4388a9303fbc6ce6e94238
diff --git a/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.md b/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.md
index a2080024d3..88f94b1f58 100644
--- a/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.md
+++ b/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.md
@@ -12,9 +12,9 @@ English | [中文](2026-07-24-web-config-tree-boot-and-transport-layering.zh.md)
 
 ## Decision
 
-**Composition is one flat assembled tree.** `apps/cli/config/base.cordis.yml` plus `apps/cli/config/web.cordis.yml` holds every row — the host runtime (32 rows), the `api-gateway` row, the `webserver` row, and the `dshClient` rows (the browser roster; the modules row is simultaneously a host row). No spine bundle: every plugin is one row and every config field is yml-editable. That stance later became repository-wide, with the rows both surfaces share factored into `apps/cli/config/base.cordis.yml` and each surface reduced to an overlay ([shared-base overlays](../simplification/2026-07-29-shared-base-config-overlays.md)). `--dev` appends the `dsh-client-hmr` row in code before the settle sweep — prod and dev differ by exactly that row. Row order carries no load semantics; activation is service-availability driven, and the boot compensates with a fail-loud triple: `assertEntriesLoaded` (import failures), `installFailLoud` (late apply rejections), and an all-ACTIVE sweep (PENDING fibers — cordis inject waiting has no timeout).
+**Composition is one flat assembled tree.** `apps/cli/config/base.cordis.yml` plus `apps/cli/config/web.cordis.yml` holds every row — the host runtime (32 rows), the `api-gateway` row, the `webserver` row, and the `dshClient` rows (the browser roster; the modules row is simultaneously a host row). No spine bundle: every plugin is one row and every config field is yml-editable. That stance later became repository-wide, with the rows both surfaces share factored into `apps/cli/config/base.cordis.yml` and each surface reduced to an overlay ([shared-base overlays](../simplification/2026-07-29-shared-base-config-overlays.md)). `--dev` appends the `dsh-client-hmr` row in code before the settle audit — prod and dev differ by exactly that row. Row order carries no load semantics; activation is service-availability driven. The shared audit rejects imports with no fiber, awaits only failed fibers to recover original activation errors, and reports services that leave a fiber `PENDING`; before throwing, it marks those exact rejection reasons through one process checkpoint so `installFailLoud` coalesces Loader's duplicate notification while unrelated unhandled rejections remain fatal. The Node app-boot artifact embeds `@cordisjs/plugin-include` while leaving `@cordisjs/plugin-loader` external, so the include's `EntryTree` and the host bind to one Loader peer instead of splitting a config tree across two Loader implementations.
 
-**Boot glue is a class pair.** `AppCLIEntry` (apps/cli) and `AppWebEntry` (the shell kernel) hold only what must exist independently of cordis: argv facts, the composed patch set, the parsed boot manifest, the module system instance, loading-page handles — everything else lives in plugins. `AppCLIEntry.run()` is three stages: layered env (ambient > cwd `.env` > `$DSH_HOME/.env`, closing the defect above) → patch composition → Loader include boot plus the triple. `AppWebEntry.run()` mirrors it browser-side: parse `window.__DSH_BOOT__` into a `BootManifest` (two views: npm-package rows for the module table, cordis-plugin rows for entry composition; malformed wire throws), build the module system, render the loading page, prefetch the `immediately` tier in parallel with Context/Loader setup, **await the prefetch before creating entries** (materialization is `tree.import`'s synchronous require, unprotected by fiber inject waiting; cross-package require edges such as i18n → runtime/client need every immediately-tier factory registered first — an empirically found 10–25% boot race otherwise), adopt the modules entry, create the graph rows, settle, sweep.
+**Boot glue is a class pair.** `AppCLIEntry` (apps/cli) and `AppWebEntry` (the shell kernel) hold only what must exist independently of cordis: argv facts, the composed patch set, the parsed boot manifest, the module system instance, loading-page handles — everything else lives in plugins. `AppCLIEntry.run()` is three stages: layered env (ambient > cwd `.env` > `$DSH_HOME/.env`, closing the defect above) → patch composition → Loader include boot plus the activation audit. `AppWebEntry.run()` mirrors it browser-side: parse `window.__DSH_BOOT__` into a `BootManifest` (two views: npm-package rows for the module table, cordis-plugin rows for entry composition; malformed wire throws), build the module system, render the loading page, prefetch the `immediately` tier in parallel with Context/Loader setup, **await the prefetch before creating entries** (materialization is `tree.import`'s synchronous require, unprotected by fiber inject waiting; cross-package require edges such as i18n → runtime/client need every immediately-tier factory registered first — an empirically found 10–25% boot race otherwise), adopt the modules entry, create the graph rows, settle, sweep.
 
 **Config sources have one declaration place each.** yml static values are engineering defaults; the profile json (`./.dsh-tmp-profile/config.json`, read-only, never created, cwd-anchored until the `$DSH_HOME` migration) is user config mapped through a static `PROFILE_MAPPINGS` table onto target rows (`provider`/`model` → the `api-gateway` row, `persistenceRoot` → the jsonl row); CLI flags map onto the `webserver` row with a field set disjoint from the json's; env values enter through yml `!!js` expressions, never through the mapping table. Patches replace a row's config wholesale, so the entry class re-reads the yml row's static values (bypass parse) and merges overrides on top. An unmapped json key fails loud. The resolved frontend `distIndex` rides the same patch channel — an assembly fact, not user config.
 
diff --git a/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.zh.md b/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.zh.md
index 1c430bf293..ea2a8f70a6 100644
--- a/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.zh.md
@@ -12,9 +12,9 @@ Status: implemented
 
 ## 决策
 
-**组合结果是一棵平铺配置树。** `apps/cli/config/base.cordis.yml` 与 `apps/cli/config/web.cordis.yml` 共同持有全部行——host runtime（32 行）、`api-gateway` 行、`webserver` 行、`dshClient` 行（浏览器 roster；modules 行同时是 host 行）。不做 spine bundle：每插件一行、每个 config 字段 yml 可改。这一立场后来推广到全仓：两个 surface 共享的配置项被抽取进 `apps/cli/config/base.cordis.yml`，各 surface 则收敛为一份 overlay（[共享 base overlay](../simplification/2026-07-29-shared-base-config-overlays.md)）。`--dev` 在 settle sweep 之前由代码追加 `dsh-client-hmr` 行——prod 与 dev 的全部差异就是这一行。行序无装载语义；激活由服务可用性驱动，boot 以 fail-loud 三件套补偿：`assertEntriesLoaded`（import 失败）、`installFailLoud`（迟到的 apply 拒绝）、all-ACTIVE sweep（PENDING fiber——cordis inject 等待没有超时）。
+**组合结果是一棵平铺配置树。** `apps/cli/config/base.cordis.yml` 与 `apps/cli/config/web.cordis.yml` 共同持有全部行——host runtime（32 行）、`api-gateway` 行、`webserver` 行、`dshClient` 行（浏览器 roster；modules 行同时是 host 行）。不做 spine bundle：每插件一行、每个 config 字段 yml 可改。这一立场后来推广到全仓：两个 surface 共享的配置项被抽取进 `apps/cli/config/base.cordis.yml`，各 surface 则收敛为一份 overlay（[共享 base overlay](../simplification/2026-07-29-shared-base-config-overlays.md)）。`--dev` 在 settle audit 之前由代码追加 `dsh-client-hmr` 行——prod 与 dev 的全部差异就是这一行。行序无装载语义；激活由服务可用性驱动。共享 audit 会拒绝没有 fiber 的 import、仅等待失败的 fiber 以恢复原始激活错误，并报告让 fiber 停在 `PENDING` 的服务；抛出错误前，审计会通过一个进程级检查点标记这些 rejection 的确切原因，从而让 `installFailLoud` 将 Loader 的重复通知合并为一次，而无关的未处理 rejection 仍然致命。Node app-boot 产物内嵌 `@cordisjs/plugin-include`，但将 `@cordisjs/plugin-loader` 保持为外部依赖，因此 include 的 `EntryTree` 与 host 会绑定到同一个 Loader peer，而不会让一棵配置树横跨两个 Loader 实现。
 
-**boot 胶水是一对 class。** `AppCLIEntry`（apps/cli）与 `AppWebEntry`（壳内核）只持有独立于 cordis 必须提前存在的东西：argv 事实、合成的 patch 集、解析出的 boot manifest、模块系统实例、loading 页句柄——其余一律进插件。`AppCLIEntry.run()` 三段：分层 env（ambient > cwd `.env` > `$DSH_HOME/.env`，顺手关掉上述缺陷）→ patch 合成 → Loader include boot 加三件套。`AppWebEntry.run()` 在浏览器侧镜像它：把 `window.__DSH_BOOT__` 解析成 `BootManifest`（双视角：npm 包行给模块表、cordis 插件行给 entry 组合；畸形 wire 大声抛）、建模块系统、渲染 loading 页、immediately 层预取与 Context/Loader 准备并行、**create entry 之前等预取齐**（物化是 `tree.import` 的同步 require，不受 fiber inject 等待保护；i18n → runtime/client 这类跨包 require 边要求 immediately 层工厂全部注册完——否则有实测 10–25% 的 boot 竞态）、收编 modules entry、逐图行 create、settle、sweep。
+**boot 胶水是一对 class。** `AppCLIEntry`（apps/cli）与 `AppWebEntry`（壳内核）只持有独立于 cordis 必须提前存在的东西：argv 事实、合成的 patch 集、解析出的 boot manifest、模块系统实例、loading 页句柄——其余一律进插件。`AppCLIEntry.run()` 三段：分层 env（ambient > cwd `.env` > `$DSH_HOME/.env`，顺手关掉上述缺陷）→ patch 合成 → Loader include boot 加 activation audit。`AppWebEntry.run()` 在浏览器侧镜像它：把 `window.__DSH_BOOT__` 解析成 `BootManifest`（双视角：npm 包行给模块表、cordis 插件行给 entry 组合；畸形 wire 大声抛）、建模块系统、渲染 loading 页、immediately 层预取与 Context/Loader 准备并行、**create entry 之前等预取齐**（物化是 `tree.import` 的同步 require，不受 fiber inject 等待保护；i18n → runtime/client 这类跨包 require 边要求 immediately 层工厂全部注册完——否则有实测 10–25% 的 boot 竞态）、收编 modules entry、逐图行 create、settle、sweep。
 
 **每个配置源有唯一声明位置。** yml 静态值是工程默认；profile json（`./.dsh-tmp-profile/config.json`，只读、绝不创建、暂锚 cwd 直至 `$DSH_HOME` 迁移）是用户配置，经静态 `PROFILE_MAPPINGS` 表映射到目标行（`provider`/`model` → `api-gateway` 行，`persistenceRoot` → jsonl 行）；CLI flags 映射到 `webserver` 行、字段集与 json 不相交；env 值经 yml `!!js` 表达式进入，绝不进映射表。patch 整体替换行 config，故 entry 类旁路 parse 重读 yml 行静态值再叠加覆盖。未映射的 json 键 fail loud。解析出的前端 `distIndex` 走同一 patch 通道——装配事实，不是用户配置。
 
diff --git a/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.i18n.yaml
index 98423a8c7d..52c7c71e1a 100644
--- a/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.md
-2026-07-25-web-input-machine-and-slash-pipeline.md: 92bb91c3e892d928cedf18ec57c725a116b6ffc8
-2026-07-25-web-input-machine-and-slash-pipeline.zh.md: 5bee6df52f16d935aa4f4ccff8627a2d43d44c8c
+2026-07-25-web-input-machine-and-slash-pipeline.md: 977df6508e1a1cd54cf1ddb469a6bfb835f60071
+2026-07-25-web-input-machine-and-slash-pipeline.zh.md: 929a885bf54a31605805814ba1e15c901e560434
diff --git a/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.md b/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.md
index 92bb91c3e8..977df6508e 100644
--- a/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.md
+++ b/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.md
@@ -63,7 +63,7 @@ Calls that stay un-evented (registry registration → explicit call → await):
 A trigger/menu/pick pipeline with zero knowledge of "commands":
 
 - The service holds only the source registry (`SlashSource{trigger: '/'|'@', name, order?, candidates, onPick, matchSpace?, matchEnter?}`; (trigger,name) unique; the optional `order` sorts the roster — lower first, default 0, ties keep registration order — and that sorted roster is both group order and polling order) and `sessionOf(sctx)`. Implementing a match hook IS the declaration of participation in space/enter adjudication; the pipeline polls in roster order, the first non-undefined answer wins, and no claimant means the default sink. matchSpace is synchronous (space fires mid-keystroke; hot cache only); matchEnter is asynchronous (it may await the source's own warmup, and a warmup failure rejects).
-- The controller holds the single authoritative hit (span included; retained for Space after the menu closes), the per-session menu store, the candidate-fetch generation, keyboard arbitration (combobox mode: focus stays in the textarea, ↑↓/Enter/Escape are intercepted and all pass the IME composition guard, with the single exception Shift+Enter unconditionally going first), and pick orchestration (outcome → self-dispatched bail events); a `dismiss()` verb backs MenuView's injected `onDismiss` (a pointer down outside both the menu and the surrounding composer card closes the menu; MenuView also localizes group titles through the `slash.menu` locale namespace and clamps its height to the viewport space above the composer via ui-primitives' `useAnchoredMaxHeight`); at each session scope's birth it runs `warm(projection)` once over the source roster — within that scope the projection holds only the stable sessionId, with no published/capability transitions; the scope disposer tears down the controller.
+- The controller holds the single authoritative hit (span included; retained for Space after the menu closes), the per-session menu store, the candidate-fetch generation, keyboard arbitration (combobox mode: focus stays in the textarea, ↑↓/Enter/Escape are intercepted and all pass the IME composition guard, with the single exception Shift+Enter unconditionally going first), and pick orchestration (outcome → self-dispatched bail events). `toggleSource(name, syntheticHit)` is the chrome-launch path: it seeds only that registered source over the caller's textarea selection and publishes `launcher = name` until close; ordinary typed tracking clears the launcher and restores the full trigger roster. Both paths render the same MenuView and execute the same `onPick` chain. A `dismiss()` verb backs MenuView's injected `onDismiss` (a pointer down outside both the menu and the surrounding composer card closes the menu; MenuView also localizes group titles through the `slash.menu` locale namespace and clamps its height to the viewport space above the composer via ui-primitives' `useAnchoredMaxHeight`); at each session scope's birth it runs `warm(projection)` once over the source roster — within that scope the projection holds only the stable sessionId, with no published/capability transitions; the scope disposer tears down the controller.
 - Trigger-detection word boundaries (`user@host` and URL `/` never trigger) and the guard tiers (plain: `/` everywhere + `@` inline / claimed: `/` suppressed, `@` live / frozen: none) are the frozen pure core.
 
 ### hub / facade: the resident shell and the strict-session input body
@@ -72,7 +72,7 @@ A trigger/menu/pick pipeline with zero knowledge of "commands":
 - Each materialized Session has exactly one `SessionInputShell` (the facade), created and torn down with the session scope; with no session, no input machine is built. `ConversationRoot` is itself the `session-maybe` resident shell, holding HeroShell, the Workspace picker, the composer stack, and the chain-fallback frame.
 - The composer bar is one `session-maybe` slot entry rendered unconditionally: with no session the same InputBar renders inert (machine faces absent, `disabled` owner prop), and once `connectWorkspace` returns a blank session the same instance goes live — the textarea DOM survives the no-session → blank transition and every later phase flip; `ConversationRoot`, the Hero, and the layout skeleton hold throughout.
 - ConversationRoot's Hero criterion is `sessionId === undefined || (composerPhase === 'blank' && (openState === 'open' || openState === 'loading'))`. The first submit enters engaging synchronously, and a failure keeps the composer and the error context rather than falling back to the blank Hero; the sidebar's blank bit flips false only after a prompt is successfully accepted.
-- Sending unifies in the hub defaultSink: after an optimistic draft clear it goes only through `session.prompt {mode:'queue'|'steer'}`; backfill happens only when it fails and the live draft is still empty — a user who has kept typing is never overwritten. No Draft materialize or attach transaction exists.
+- Sending unifies in the hub defaultSink: after an optimistic draft clear it goes only through `session.prompt` with `mode:'queue'` (the Web UI has no steer entry; host-wire `mode:'steer'` remains outside this machine); backfill happens only when it fails and the live draft is still empty — a user who has kept typing is never overwritten. No Draft materialize or attach transaction exists.
 - When the blank Hero re-picks the Workspace, the shell calls `connectWorkspace`; if the target session differs, the non-empty draft moves from the current shell to the target shell before the new id is opened, and the old blank session survives but is no longer current.
 - The Notifier's two-bit contract: `dirty` (snapshot freshness, clearable by an `ensureFresh` pull) and `notifyPending` (notification debt, cleared only by a flush) are mutually independent — a pull must not swallow a push, and object-layer push subscribers (watchTransaction) depend on this guarantee.
 
@@ -101,7 +101,7 @@ skill/@subagent references skip the placeholder + occurrence identity chain —
 - `conversation.input.dock` — the stacked strip above the input (QueueDock's read-only queue list lands here), ordered by `order`.
 - `conversation.composer.dock` — the stats band on the composer's top edge.
 - `conversation.input.left` / `conversation.input.right` — the tool-row left and right regions.
-- `conversation.input.plan` / `conversation.input.model` (single) — the tool row's two named control seats; the bar passes only `locked` (owner props), each stays empty until its owning plugin registers, no placeholder fallback.
+- `conversation.input.plan` / `conversation.input.model` (single) — the tool row's two named control seats; the bar passes only `locked` (owner props), each stays empty until its owning plugin registers, no placeholder fallback. The plan seat stays empty while inactive because the shared Command source owns entry; an effective plan target renders the warn-state `Plan ×` status button, whose only action is `/plan off`.
 - `conversation.hero.workspace` (root scope) — the Workspace picker shared by the no-session and blank Hero; a pick reuses or creates the target blank session through `connectWorkspace`, moving the draft where necessary before switching current.
 
 ### Testing discipline
@@ -122,6 +122,8 @@ The state machine's entire behavior is covered by pure-JS unit tests (event sequ
 | Space adjudication also claiming execute-kind commands | The misfire defense: after a space the whole line is an ordinary prompt; irreversible side effects keep explicit entry points only |
 | A generic tokenPattern decoration mechanism | Structured occurrence records replace pattern scanning |
 | A placeholder select resident in the tool row | Named seats stay empty until registration; a placeholder clashing with the real implementation is two sources of truth |
+| An always-visible Plan on/off toggle | The shared Command source already owns entry; a second entry point turns a status seat into redundant mode chrome |
+| A second plus-menu component/controller, or an Add/File group above Command | It would duplicate async candidates, keyboard highlight, focus retention, and pick state; the plus control is only a source-filtered launcher for the existing MenuView, and this scope has no file capability |
 | All references through U+FFFC chips (the pre-Decision-21 line) | Plain text + derived decoration carries zero identity state; the literal text IS the model projection, sparing undo/clipboard any special cases; the chip chain is kept for scenarios needing indivisible atomicity |
 
 ## Consequences
diff --git a/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.zh.md b/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.zh.md
index 5bee6df52f..929a885bf5 100644
--- a/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-25-web-input-machine-and-slash-pipeline.zh.md
@@ -63,7 +63,7 @@ occurrence 表与 chip 三投影：
 对"命令"零知识的触发/菜单/pick 管线：
 
 - service 只有 source 注册表（`SlashSource{trigger: '/'|'@', name, order?, candidates, onPick, matchSpace?, matchEnter?}`；(trigger,name) 唯一；可选 `order` 对 roster 排序——越小越靠前、默认 0、同值保持注册序——排序后的 roster 同时是组序与轮询序）与 `sessionOf(sctx)`。实现 match 钩子即参与空格/回车裁决的声明；管线按 roster 序轮询，首个非 undefined 应答胜出，无人认领落 default sink。matchSpace 同步（空格在击键中触发，只许热缓存）；matchEnter 异步（可 await 源自身预热，预热失败即 reject）。
-- controller 持有唯一权威 hit（含 span；菜单关闭后为 Space 保留）、per-session menu store、候选 fetch generation、键盘仲裁（combobox 模式：焦点始终在 textarea，↑↓/Enter/Escape 拦截且全程过 IME composition 守卫，唯一例外 Shift+Enter 无条件先行）、pick 编排（outcome → 自派 bail 事件）；`dismiss()` 动词支撑 MenuView 注入的 `onDismiss`（指针落在菜单与所在 composer 卡片之外即关闭菜单；MenuView 还经 `slash.menu` locale 命名空间本地化组标题，并经 ui-primitives 的 `useAnchoredMaxHeight` 把高度收敛到 composer 上方的视口空间）；每个 session scope 出生时对 source roster 做一次 `warm(projection)`，projection 在该 scope 内只有稳定的 sessionId，无 published/能力跃迁；scope disposer 拆除 controller。
+- controller 持有唯一权威 hit（含 span；菜单关闭后为 Space 保留）、per-session menu store、候选 fetch generation、键盘仲裁（combobox 模式：焦点始终在 textarea，↑↓/Enter/Escape 拦截且全程过 IME composition 守卫，唯一例外 Shift+Enter 无条件先行），以及 pick 编排（outcome → 自派 bail 事件）。`toggleSource(name, syntheticHit)` 是 chrome launcher 路径：它基于调用方的 textarea selection，只 seed 对应的已注册 source，并发布 `launcher = name` 直至关闭；普通的键入式 tracking 会清除 launcher 并恢复完整的 trigger roster。两条路径渲染同一个 MenuView，并执行同一条 `onPick` 链。`dismiss()` 动词支撑 MenuView 注入的 `onDismiss`（指针落在菜单与所在 composer 卡片之外即关闭菜单；MenuView 还经 `slash.menu` locale 命名空间本地化组标题，并经 ui-primitives 的 `useAnchoredMaxHeight` 把高度收敛到 composer 上方的视口空间）；每个 session scope 出生时对 source roster 做一次 `warm(projection)`，projection 在该 scope 内只有稳定的 sessionId，无 published/能力跃迁；scope disposer 拆除 controller。
 - 触发检测词边界（`user@host`、URL `/` 永不触发）、守卫分档（plain：`/` 到处 + `@` 行内 / claimed：`/` 抑制、`@` 活 / frozen：全无）为冻结纯核。
 
 ### hub / facade：常驻外壳与严格 session 输入体
@@ -72,7 +72,7 @@ occurrence 表与 chip 三投影：
 - 每个实体 Session 只有一个 `SessionInputShell`（facade），随 session scope 创建和拆除；无 session 时不造 input machine。`ConversationRoot` 自身是 `session-maybe` 常驻外壳，持有 HeroShell、Workspace picker、composer stack 与 chain fallback 外框。
 - composer bar 是一个无条件渲染的 `session-maybe` slot entry：无 session 时同一个 InputBar 以惰性态渲染（machine face 缺席、`disabled` owner prop），`connectWorkspace` 返回 blank session 后同一实例转为 live——textarea DOM 在无 session → blank 切换及其后每次 phase 翻转中都不重建；`ConversationRoot`、Hero 与布局骨架全程保持。
 - ConversationRoot 的 Hero 判据是 `sessionId === undefined || (composerPhase === 'blank' && (openState === 'open' || openState === 'loading'))`。首次 submit 同步进入 engaging，失败也保留 composer 与错误上下文，不退回 blank Hero；sidebar 的 blank 位只在 prompt 成功受理后翻 false。
-- 发送统一在 hub defaultSink：乐观清稿后只走 `session.prompt {mode:'queue'|'steer'}`；失败且 live draft 仍为空才回填，用户已经继续输入则不覆盖。不存在 Draft materialize 或 attach 事务。
+- 发送统一在 hub defaultSink：乐观清稿后只走 `session.prompt` 且固定 `mode:'queue'`（Web UI 无 steer 入口；host 线缆上的 `mode:'steer'` 不经此 machine）；失败且 live draft 仍为空才回填，用户已经继续输入则不覆盖。不存在 Draft materialize 或 attach 事务。
 - blank Hero 改选 Workspace 时，外壳调用 `connectWorkspace`；目标 session 不同时把非空 draft 从当前 shell 搬到目标 shell，再 open 新 id，旧 blank session 留存但不再 current。
 - Notifier 双位契约：`dirty`（快照新鲜度，`ensureFresh` 拉取可清）与 `notifyPending`（通知欠账，只有 flush 清）各自独立——拉取不得吞推送，对象层推订阅者（watchTransaction）依赖这一保证。
 
@@ -101,7 +101,7 @@ skill/@subagent 引用不走占位符 + occurrence 身份链——pick 直接把
 - `conversation.input.dock`——输入上方堆叠条（QueueDock 的队列只读列表落此），order 定序。
 - `conversation.composer.dock`——composer 上沿统计带。
 - `conversation.input.left` / `conversation.input.right`——工具行左右区。
-- `conversation.input.plan` / `conversation.input.model`（single）——工具行两具名控制位；bar 只传 `locked`（owner props），空到 owning 插件注册为止，无占位 fallback。
+- `conversation.input.plan` / `conversation.input.model`（single）——工具行两具名控制位；bar 只传 `locked`（owner props），空到 owning 插件注册为止，无占位 fallback。plan seat 未激活时保持为空，因为入口归共享 Command source 所有；有效 plan 目标会渲染 warn 状态的 `Plan ×` 状态按钮，其唯一动作是 `/plan off`。
 - `conversation.hero.workspace`（root scope）——无 session / blank Hero 共用的 Workspace picker；pick 经 `connectWorkspace` 复用或创建目标 blank session，必要时搬运 draft 后切 current。
 
 ### 测试纪律
@@ -122,6 +122,8 @@ skill/@subagent 引用不走占位符 + occurrence 身份链——pick 直接把
 | 空格裁决也认领即执行型命令 | 误触发防线：空格后整行是普通 prompt；不可逆副作用只留显式入口 |
 | 通用 tokenPattern 装饰机制 | 结构化 occurrence 记录取代模式扫描 |
 | 占位 select 常驻工具行 | 具名坑位空到注册为止；占位件与真实现冲突时是双真相源 |
+| 始终可见的 Plan 开／关切换 | 入口已归共享 Command source 所有；第二个入口会把状态 seat 变成冗余的 mode chrome |
+| 第二套加号菜单组件／controller，或在 Command 上方增加 Add/File 分组 | 这会重复异步候选、键盘高亮、焦点保留与 pick 状态；加号控件只是既有 MenuView 按 source 过滤的 launcher，且此 scope 没有文件能力 |
 | 引用一律走 U+FFFC chip（决策 21 前旧线） | 纯文本 + 派生装饰零身份状态；原文即模型投影，undo/剪贴板免特判；chip 链保留给需要不可分原子性的场景 |
 
 ## 后果
diff --git a/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.i18n.yaml
index 27911294a6..6855a0af2b 100644
--- a/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.md
-2026-07-28-directory-picker-capability-seam.md: 495062f910785e1bb2f421dbb25c01c399d45567
-2026-07-28-directory-picker-capability-seam.zh.md: 62fc87212ab627ea8819dab55e3a769b4a5afc42
+2026-07-28-directory-picker-capability-seam.md: 9884385cf9e0d51604bab9e4fd3c4bee77448331
+2026-07-28-directory-picker-capability-seam.zh.md: 8c229b9fb08d5052ba8a512f2153a89a9e5fd455
diff --git a/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.md b/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.md
index 495062f910..9884385cf9 100644
--- a/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.md
+++ b/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.md
@@ -12,7 +12,7 @@ The web GUI's "Open local folder" flow was hardwired to one interaction: `host.p
 
 A three-package capability seam in `packages/host/` — `directory-picker` (interface), `directory-picker-native`, `directory-picker-browse` (backends) — with one contract method: `capability()` returns a **discriminated union**, `{ kind: 'native', pick(signal) }` or `{ kind: 'browse', list(path?), createDirectory(path, name) }`. The gateway (`dsh-host-apiproxy`) injects `directoryPicker`, serves the matching RPCs, and answers `directory-picker-unavailable` for the other kind. The union is discriminated because the backends differ in *interaction shape* — flattening them into one method set would force every backend to fake the other's shape.
 
-**The client side is slot-composed, not advertisement-branched.** ui-workspace's two trigger surfaces each declare a `single` directory-flow hole (`conversation.hero.workspace.directoryFlow` / `sidebar.workspaces.directoryFlow`; two keys because a hole has exactly one declaring slot entry — same owner contract, same occupant). Backend packages are **dual-face**: the browser half registers the matching interaction into both holes — `-native` a renderless occupant driving `host.pickDirectory`, `-browse` the in-app Select Workspace Directory dialog. The hole's owner conversation (`open`/`busy`/`onPicked`/`onCancel`/`onError`) carries the whole exchange: ui-workspace keeps the trigger (menu entry rendered only while the hole is occupied) and the adoption (`createWorkspace({path})`, conflict/error dialog, Choose again), the occupant owns everything between `open` and the picked path. One `cordis.yml` row therefore swaps the host capability and the client flow together; a mismatch is impossible by construction, and mounting two flow packages fails at client load (`single` hole). The earlier `host.describe.directoryPicker` advertisement and the client's kind branching are deleted — with composition wiring both sides, a wire fact for the client to branch on had no remaining consumer. The hole registry (`ctx.slots.entries`) replaces it as the per-menu-open occupancy read.
+**The client side is slot-composed, not advertisement-branched.** ui-workspace's two trigger surfaces each declare a `single` directory-flow hole (`conversation.hero.workspace.directoryFlow` / `sidebar.workspaces.directoryFlow`; two keys because a hole has exactly one declaring slot entry — same owner contract, same occupant). Backend packages are **dual-face**: the browser half registers the matching interaction into both holes — `-native` a renderless occupant driving `host.pickDirectory`, `-browse` the in-app Select Workspace Directory dialog. The hole's owner conversation (`open`/`busy`/`onPicked`/`onCancel`/`onError`) carries the whole exchange: ui-workspace keeps the trigger (menu entry rendered only while the hole is occupied) and the adoption (`createWorkspace({path})`, retryable error dialog, Choose again), the occupant owns everything between `open` and the picked path. One `cordis.yml` row therefore swaps the host capability and the client flow together; a mismatch is impossible by construction, and mounting two flow packages fails at client load (`single` hole). The earlier `host.describe.directoryPicker` advertisement and the client's kind branching are deleted — with composition wiring both sides, a wire fact for the client to branch on had no remaining consumer. The hole registry (`ctx.slots.entries`) replaces it as the per-menu-open occupancy read.
 
 Placement and policy rulings folded into this decision:
 
diff --git a/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.zh.md b/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.zh.md
index 62fc87212a..8c229b9fb0 100644
--- a/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.zh.md
@@ -12,7 +12,7 @@ web GUI 的"打开本地文件夹"流程被焊死在一种交互上：`host.pick
 
 在 `packages/host/` 落一个三包能力 seam——`directory-picker`（接口）、`directory-picker-native`、`directory-picker-browse`（后端）——唯一契约方法 `capability()` 返回**可辨识联合**：`{ kind: 'native', pick(signal) }` 或 `{ kind: 'browse', list(path?), createDirectory(path, name) }`。网关（`dsh-host-apiproxy`）注入 `directoryPicker`，提供对应的 RPC，另一种 kind 的调用以 `directory-picker-unavailable` 应答。联合之所以可辨识，是因为后端差异在**交互形态**——压平成统一方法集会逼每个后端伪装另一方的形态。
 
-**client 侧靠 slot 组合，而非按广播分支。** ui-workspace 的两个触发表层各自声明一个 `single` 目录流洞（`conversation.hero.workspace.directoryFlow`／`sidebar.workspaces.directoryFlow`；之所以是两个 key，是因为一个洞只有一个声明它的 slot entry——owner 契约相同、占用者相同）。后端包是**双面包**：browser half 把匹配的交互注册进两个洞——`-native` 是驱动 `host.pickDirectory` 的无渲染占用者，`-browse` 是应用内的选择工作区目录对话框。洞的 owner 会话（`open`/`busy`/`onPicked`/`onCancel`/`onError`）承载整个交换：ui-workspace 保留触发（菜单入口仅在洞被占用时渲染）与接纳（`createWorkspace({path})`、冲突／错误对话框、重新选择），占用者持有从 `open` 到所选路径之间的一切。因此一行 `cordis.yml` 同时切换宿主能力与 client 流程；错配在构造上不可能，同时挂两个流程包会在 client 加载期失败（`single` 洞）。早先的 `host.describe.directoryPicker` 广播与客户端 kind 分支被删除——组合已经接好两侧后，供客户端分支用的 wire 事实不再有任何消费者。洞注册表（`ctx.slots.entries`）取而代之，成为每次打开菜单的占用读取。
+**client 侧靠 slot 组合，而非按广播分支。** ui-workspace 的两个触发表层各自声明一个 `single` 目录流洞（`conversation.hero.workspace.directoryFlow`／`sidebar.workspaces.directoryFlow`；之所以是两个 key，是因为一个洞只有一个声明它的 slot entry——owner 契约相同、占用者相同）。后端包是**双面包**：browser half 把匹配的交互注册进两个洞——`-native` 是驱动 `host.pickDirectory` 的无渲染占用者，`-browse` 是应用内的选择工作区目录对话框。洞的 owner 会话（`open`/`busy`/`onPicked`/`onCancel`/`onError`）承载整个交换：ui-workspace 保留触发（菜单入口仅在洞被占用时渲染）与接纳（`createWorkspace({path})`、可重试的错误对话框、重新选择），占用者持有从 `open` 到所选路径之间的一切。因此一行 `cordis.yml` 同时切换宿主能力与 client 流程；错配在构造上不可能，同时挂两个流程包会在 client 加载期失败（`single` 洞）。早先的 `host.describe.directoryPicker` 广播与客户端 kind 分支被删除——组合已经接好两侧后，供客户端分支用的 wire 事实不再有任何消费者。洞注册表（`ctx.slots.entries`）取而代之，成为每次打开菜单的占用读取。
 
 并入本决策的位置与策略裁决：
 
diff --git a/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.i18n.yaml
index 8fc7c8966f..3b0e42df8c 100644
--- a/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.md
-2026-07-28-launcher-owned-resume-identity.md: e11431716305ff18e951ca45921c71dcd105974c
-2026-07-28-launcher-owned-resume-identity.zh.md: e4078023cb1519288f0367f8973788f361aaa0bd
+2026-07-28-launcher-owned-resume-identity.md: 167c9e848a9101c9d1e93cf3af968b00279db32b
+2026-07-28-launcher-owned-resume-identity.zh.md: 218b69581e65e8566ff1047603bb71c9537d3486
diff --git a/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.md b/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.md
index e114317163..167c9e848a 100644
--- a/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.md
+++ b/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.md
@@ -10,7 +10,7 @@ Two facts a launcher owns were shipped as deployment config keys on the TUI app
 
 Routing them through YAML made them silently droppable. `@cordisjs/plugin-include` applies a targeted patch by replacing whole top-level keys (`target[key] = value`), so a personal `~/.dsh/config.yaml` patching the `tui-agent` entry's `config` replaces the shipped block entirely. A user overlay written to change provider and model therefore deleted every resume key it did not restate, and nothing reported it: absent `resumeCommand` legitimately means "no fallback configured".
 
-Both failures were live in one real overlay. The exit hint stopped printing, because the overlay omitted `resumeCommand`. Worse, the overlay carried `resumeSessionId: !!js process.env.RESUME_SESSION_ID` — a stale line from before [the env-var bridge was removed](../../archived/architecture/2026-07-24-dsh-commander-argument-adapter.md) — which overwrote the shipped `!!js "typeof resumeSessionId === 'string' ? …"` intake with a read of a variable nothing sets. `dsh --resume <valid-id>` then started a *fresh* session and said nothing, reproduced directly: the banner showed a newly minted id, not the requested one. The [`dsh meta`](../feature/2026-07-28-dsh-meta-source-workspace.md) note had recorded this silent resume as an unexplained pre-existing defect; the overlay's shallow replacement is the cause.
+Both failures were live in one real overlay. The exit hint stopped printing, because the overlay omitted `resumeCommand`. Worse, the overlay carried `resumeSessionId: !!js process.env.RESUME_SESSION_ID` — a stale line from before [the env-var bridge was removed](../../archived/architecture/2026-07-24-dsh-commander-argument-adapter.md) — which overwrote the shipped `!!js "typeof resumeSessionId === 'string' ? …"` intake with a read of a variable nothing sets. `dsh --resume <valid-id>` then started a *fresh* session and said nothing, reproduced directly: the banner showed a newly minted id, not the requested one. The [`dsh experimental-meta`](../feature/2026-07-28-dsh-meta-source-workspace.md) note had recorded this silent resume as an unexplained pre-existing defect; the overlay's shallow replacement is the cause.
 
 A config key cannot express these facts safely, because the deployment is not the authority on them.
 
@@ -25,7 +25,7 @@ Both sit beside the existing `tuiResumeHost` host capability, which set the prec
 
 Identity belongs to `agent-loop` because that is the plugin which creates configured agents, and because a patch replaces a row's whole `config`: an overlay repointing the agent row's model route would erase a launcher-set identity key. See [the shared-base overlay note](../simplification/2026-07-29-shared-base-config-overlays.md).
 
-`apps/cli` mints or selects the id and builds the line from the invocation it is reproducing, sharing one `resumeArgs` helper with the `/resume` execve handoff so the printed command and the in-place handoff cannot diverge. The line now names `--config` when one was passed, and reproduces `dsh meta --resume <id>` in meta mode — closing the mode-aware hint deferred by the `dsh meta` note, where a copied hint previously only worked from the checkout.
+`apps/cli` mints or selects the id and builds the line from the invocation it is reproducing, sharing one `resumeArgs` helper with the `/resume` execve handoff so the printed command and the in-place handoff cannot diverge. The line names `--config` when one was passed. Resume always re-enters the default surface through `dsh --resume <id>`; `dsh experimental-meta` accepts no options and always starts fresh.
 
 **`ctx.provide` is the only channel from launcher argv into a Loader-mounted plugin.** Config `!!js` expressions evaluate as `with (entry.ctx) { eval(expr) }` (`vendor/loader/src/config/utils.ts`), so a bare identifier resolves against the entry's context and nothing else reaches it. The slot therefore cannot be removed while the app bundle is mounted from YAML; what changes is that it is now internal launcher↔app plumbing instead of a documented key a config author must wire correctly.
 
diff --git a/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.zh.md b/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.zh.md
index e4078023cb..218b69581e 100644
--- a/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.zh.md
@@ -10,7 +10,7 @@ Status: implemented
 
 把它们经由 YAML 传递，使其可被静默丢弃。`@cordisjs/plugin-include` 施加定向补丁的方式是替换整个顶层键（`target[key] = value`），因此一份对 `tui-agent` 条目的 `config` 打补丁的个人 `~/.dsh/config.yaml`，会把交付时的整块内容整体替换掉。于是，一份为改动 provider 和 model 而写的用户 overlay，会删掉它未重述的每一个 resume 键，且没有任何东西报告这一点：缺失 `resumeCommand` 合法地意味着「未配置回退」。
 
-两处失效在同一份真实的 overlay 中同时存在。退出提示不再打印，因为该 overlay 省略了 `resumeCommand`。更糟的是，该 overlay 带着 `resumeSessionId: !!js process.env.RESUME_SESSION_ID`——一行来自 [env 变量桥被移除](../../archived/architecture/2026-07-24-dsh-commander-argument-adapter.md)之前的陈旧代码——它用一次对某个无人设置的变量的读取，覆盖掉了交付时的 `!!js "typeof resumeSessionId === 'string' ? …"` 入口。此后 `dsh --resume <valid-id>` 会开启一个*全新*会话且什么都不说，并被直接复现：banner 显示的是一个新铸造的 id，而非所请求的那个。[`dsh meta`](../feature/2026-07-28-dsh-meta-source-workspace.md) note 曾把这次静默的 resume 记为一处无法解释的既有缺陷；而 overlay 的浅层替换正是其成因。
+两处失效在同一份真实的 overlay 中同时存在。退出提示不再打印，因为该 overlay 省略了 `resumeCommand`。更糟的是，该 overlay 带着 `resumeSessionId: !!js process.env.RESUME_SESSION_ID`——一行来自 [env 变量桥被移除](../../archived/architecture/2026-07-24-dsh-commander-argument-adapter.md)之前的陈旧代码——它用一次对某个无人设置的变量的读取，覆盖掉了交付时的 `!!js "typeof resumeSessionId === 'string' ? …"` 入口。此后 `dsh --resume <valid-id>` 会开启一个*全新*会话且什么都不说，并被直接复现：banner 显示的是一个新铸造的 id，而非所请求的那个。[`dsh experimental-meta`](../feature/2026-07-28-dsh-meta-source-workspace.md) note 曾把这次静默的 resume 记为一处无法解释的既有缺陷；而 overlay 的浅层替换正是其成因。
 
 一个配置键无法安全地表达这些事实，因为部署方并非它们的权威。
 
@@ -25,7 +25,7 @@ Status: implemented
 
 身份归属于 `agent-loop`，因为它才是创建所配置 agent 的插件；也因为 patch 会整体替换配置项的 `config`：重新指向 agent 配置项模型路由的 overlay 会抹掉启动器设置的身份键。参见[共享 base overlay note](../simplification/2026-07-29-shared-base-config-overlays.md)。
 
-`apps/cli` 铸造或选定 id，并依据它所复现的那次调用构建该行，与 `/resume` 的 execve 移交共用同一个 `resumeArgs` 助手，从而使打印出的命令与原地移交不会分歧。该行现在会在传入了 `--config` 时命名它，并在 meta 模式下复现 `dsh meta --resume <id>`——从而收口了 `dsh meta` note 所推迟的随 mode 变化的提示，在那里被复制的提示此前只有在检出目录中才有效。
+`apps/cli` 铸造或选定 id，并依据它所复现的那次调用构建该行，与 `/resume` 的 execve 移交共用同一个 `resumeArgs` 助手，从而使打印出的命令与原地移交不会分歧。该行会在传入了 `--config` 时将其写入命令。恢复始终通过 `dsh --resume <id>` 重新进入默认界面；`dsh experimental-meta` 不接受任何选项，并且总是启动新会话。
 
 **`ctx.provide` 是从启动器 argv 进入被 Loader 挂载的插件的唯一通道。** 配置的 `!!js` 表达式会以 `with (entry.ctx) { eval(expr) }`（`vendor/loader/src/config/utils.ts`）求值，因此一个裸标识符会针对该条目的上下文解析，别无它物可达。于是只要应用 bundle 仍从 YAML 挂载，这个槽位就无法被移除；变化之处在于它现在是启动器↔应用之间的内部管线，而不再是一个配置作者必须正确接线的、有文档记载的键。
 
diff --git a/.agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.i18n.yaml
new file mode 100644
index 0000000000..047cccbce3
--- /dev/null
+++ b/.agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.md
+2026-07-29-projected-token-usage-and-request-context.md: 1e2c5ff067928620dee3d0937c247bec245e34f2
+2026-07-29-projected-token-usage-and-request-context.zh.md: 811d92e134b1df0fc6725e6c8d38b37efb57b3aa
diff --git a/.agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.md b/.agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.md
new file mode 100644
index 0000000000..1e2c5ff067
--- /dev/null
+++ b/.agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.md
@@ -0,0 +1,59 @@
+# Agent Note: Projected token usage and context occupancy
+
+Status: implemented
+
+English | [中文](2026-07-29-projected-token-usage-and-request-context.zh.md)
+
+## Problem
+
+The Web stats line derived token totals from the currently loaded conversation nodes. That window is paged, so scrolling changed the totals, and compaction replaces visible content without preserving the billing behind it. Durable provider billing needs a source that survives both.
+
+Context occupancy needs a numerator and a denominator that no existing surface carried to the browser: the prompt size of the latest request, and the capacity of the route it used.
+
+## Decision
+
+Both values are ordinary durable session-projection state. `@deepseek-ai/dsh-token-meter` registers two units when `ctx.sessionProjections` is present.
+
+`tokenUsage` folds the complete durable log into uncached input, output, cache-read, and cache-write buckets. An `assistant/chunk` usage sample survives a later failed request; an `assistant/message` usage value for the same `(turn, step)` replaces the earlier sample instead of double-counting it. Reasoning stays an output subdivision. Compaction and surface replacement do not erase earlier billing.
+
+`contextPressure` carries optional `pressureTokens` — the newest provider-reported prompt size, summing uncached input plus cache reads and writes, excluding output — and optional `contextWindow` from the newest `request/context` record. Neither field is synthesized before its source exists.
+
+`request/context` is a new log-only session event recording registration-bound metadata for the route a request resolved to. AgentLoop appends it inside the step beside `request/header`, from the context metadata `prepareCall()` now returns alongside the resolved config — the same registration-bound lookup that already validated reasoning, so no second resolve happens. It is skipped when provider, model, and capacity all match the previous record. A route whose adapter advertises no capacity is recorded with `contextWindow` absent, clearing an older route's denominator.
+
+Capacity deliberately stays out of `EpochHeader`. That type is the reconstruction contract — what a request was built from — and `headerEquals` compares it field-wise to decide whether a snapshot is a real `change`. Capacity is adapter metadata describing a route, so placing it there would let a capacity change masquerade as a request-envelope change and would drag it into the loop's reconstruction invariant.
+
+Both units ride the standard projection lifecycle: history tail baselines, `session/projection` live frames, higher-seq-wins client storage, JSON checkpoints, cache recovery, and unit unload. There is no token-specific history field, mux frame, projector, revision counter, or client fence.
+
+The Web `StatsLine` reads both through the standard `useProjection` seat. Window nodes still supply turn and step counts plus LLM and tool wall times — those answer "what is on screen" and are correctly window-scoped. Durable token and context groups remain when compaction leaves no visible assistant step. Cache writes count in billed input and in the cache-hit denominator. A deployment without token-meter drops the token groups; occupancy stays hidden until both pressure and capacity are known.
+
+## Context occupancy is approximate, and that is the decision
+
+`pressureTokens` and `contextWindow` are independent last-wins fields, not one atomic observation. Switching models pairs a fresh capacity with the previous route's pressure until the next request reports usage, and the numerator describes the last request rather than the surface as it currently stands.
+
+This was accepted deliberately. An occupancy percentage is a user-facing reference figure: nothing in the harness makes decisions from it, and compaction reads `measure()` directly instead. The TUI status line has always computed occupancy this way, dividing a `measure()` total by a capacity resolved separately for the selected model — so an atomic variant here would have been the outlier, not the norm.
+
+Reviewers should not treat the non-atomicity as a defect awaiting a fix. A consumer that genuinely needs an exact same-boundary figure should call `ctx.tokenMeter.measure()` at its own request boundary, where both values are available together, rather than read this projection.
+
+## Alternatives considered
+
+**An atomic request-boundary snapshot delivered as a transient mux frame (implemented, then rejected).** An earlier revision of this branch emitted `session/model-request`: one non-replayable frame carrying `contextTokens` and `contextWindow` measured at the same `agent/model-request` boundary. Being the only non-replayable class on the mux stream is what broke it. Host and mux are independent SSE streams with no cross-stream ordering, so a request emitted before a removal could arrive after `host/session-removed` and revive a dead session's telemetry, while a legitimate request for a new lifecycle reusing the same id could be fenced by a late removal. `session/subscribed` is not lifecycle proof — it says a queue began subscribing to an id, not that a new in-memory session replaced an older one — and `lastSeq` is a durable watermark two lifecycles can share. A correct fix required a monotonic lifecycle generation on the frame, on subscription, and on removal, plus a client watermark comparison.
+
+That cost bought a worse display: occupancy went blank after every reconnect and never moved while a conversation grew. It also made ApiProxy a measurement site calling the O(surface) `measure()` on every request, and expressed reconnect state through a synthetic `cancelled` open error the UI had to special-case.
+
+**Fold the loaded node window in React.** Cannot survive pagination or compaction, and makes a presentation package reconstruct log semantics.
+
+**Publish usage only with final assistant messages.** A request that reports a usage chunk and then fails would lose its billing.
+
+**Resolve capacity inside token-meter.** The package documents itself as independent of model routing and is otherwise a pure reader that never appends to the log. AgentLoop already holds the resolved metadata where the header is written.
+
+**Extend the `session.models` RPC with capacity.** The handler already resolves and discards it, so the field is nearly free — but `StatsLine` lives in `ui-conversation` while the model directory lives in `ui-model`, and `ui-conversation` cannot depend on `ui-model`. Delivering it would have required either a second dock entry splitting one text row across two plugins, or a cross-plugin store write.
+
+**Add a context circle beside the model selector.** That placement suggests selected-model state. The stats line carries the figure without a duplicate UI or data path.
+
+## Consequences
+
+Token totals stay stable across pagination, compaction, replay, restart, and reconnect, because they are ordinary durable projection state recovered through the generic paths. The cross-stream reordering race is gone by construction rather than fenced.
+
+Occupancy is approximate in the ways documented above. It is available immediately after restore or reconnect, since both fields are durable, at the cost of describing the last recorded request rather than an exact current boundary.
+
+Each session log gains one small `request/context` record per route or advertised-capacity change. The token-meter projection is the canonical owner of durable session-projection usage semantics; the TUI retains its live per-step map because it does not mount the generic projection seam, and the standalone browser fixture mirrors the unit. ApiProxy carries no token-specific code, owns no per-session metrics cache, and performs no measurement. The browser keeps two generic projection values and no connection-local telemetry, and streaming text deltas still do not force the stats line to recompute.
diff --git a/.agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.zh.md b/.agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.zh.md
new file mode 100644
index 0000000000..811d92e134
--- /dev/null
+++ b/.agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.zh.md
@@ -0,0 +1,59 @@
+# Agent Note: token 用量投影与上下文占用率
+
+Status: implemented
+
+[English](2026-07-29-projected-token-usage-and-request-context.md) | 中文
+
+## 问题
+
+Web 统计行原先从当前已加载的会话节点推导 token 总量。该窗口是分页的，因此滚动会改变总量；压缩（compaction）又会替换可见内容，而不保留其背后的计费用量。持久的提供方计费用量需要一个能同时经受这两者的数据源。
+
+上下文占用率需要一个分子和一个分母，而这两者都不曾由任何既有接口送达浏览器：最新一个请求的提示词规模，以及该请求所用路由的容量。
+
+## 决策
+
+这两个值都是普通的持久会话投影状态。当 `ctx.sessionProjections` 存在时，`@deepseek-ai/dsh-token-meter` 会注册两个单元。
+
+`tokenUsage` 将完整持久日志归并为未缓存输入、输出、缓存读取和缓存写入四类计数项。即使后续请求失败，`assistant/chunk` 用量样本仍会保留；同一 `(turn, step)` 的 `assistant/message` 用量值会替换先前样本，不会重复计数。推理（reasoning）仍是输出的细分项。压缩和表层替换不会抹除先前的计费用量。
+
+`contextPressure` 携带可选的 `pressureTokens`（提供方报告的最新提示词规模，为未缓存输入加缓存读取与写入之和，不含输出），以及来自最新一条 `request/context` 记录的可选 `contextWindow`。在各自来源出现前，两个字段都不会被合成。
+
+`request/context` 是新增的仅入日志会话事件，记录请求所解析到的路由的、绑定注册项的元数据。AgentLoop 在步骤内紧随 `request/header` 追加它，数据取自 `prepareCall()` 现在与已解析配置一并返回的上下文元数据：正是那次已经校验过推理的、绑定注册项的查询，因此不会发生第二次解析。当提供方、模型和容量都与上一条记录相同时会跳过。适配器不公布容量的路由会以缺失 `contextWindow` 的形式记录，从而清除较早路由的分母。
+
+容量刻意不进入 `EpochHeader`。该类型是重建契约，即请求由什么构建而成，而 `headerEquals` 会逐字段比较它，以判定某个快照是否真的是一次 `change`。容量是描述路由的适配器元数据，把它放进去会让容量变化伪装成请求封装的变化，还会把它拖进 AgentLoop 的重建不变式。
+
+两个单元都沿用标准投影生命周期：历史尾页基线、`session/projection` 实时帧、seq 高者胜的客户端存储、JSON 检查点、缓存恢复和单元卸载。系统没有任何 token 专用的历史字段、mux 帧、投影器、修订计数器或客户端栅栏。
+
+Web `StatsLine` 通过标准 `useProjection` 席位读取两者。窗口内节点仍提供轮次和步骤计数，以及 LLM（大语言模型）与工具的墙钟时间：它们回答的是「屏幕上有什么」，按窗口作用域正是正确的。压缩使可见 assistant 步骤归零后，持久 token 与上下文分组仍会保留。缓存写入会计入计费输入和缓存命中率分母。未部署 token-meter 时会去掉 token 分组；只有压力与容量都已知时才显示占用率。
+
+## 上下文占用率是近似值，而这正是决策本身
+
+`pressureTokens` 与 `contextWindow` 是两个各自后者胜的独立字段，不是一次原子观测。切换模型时，新容量会与上一路由的压力配对，直到下一个请求报告用量为止；分子描述的是最后一个请求，而不是此刻的表层。
+
+这是刻意接受的结果。占用率百分比是面向用户的参考数字：harness 中没有任何环节依据它做决策，压缩改为直接读取 `measure()`。TUI 状态行一直以这种方式计算占用率，即用 `measure()` 总量除以为所选模型单独解析出的容量；因此在这里做成原子版本才是异类，而不是常态。
+
+评审人不应把这种非原子性当作待修的缺陷。确实需要同一边界精确数字的消费方，应在自己的请求边界调用 `ctx.tokenMeter.measure()`，那里两个值同时可得，而不是读取该投影。
+
+## 备选方案
+
+**以临时 mux 帧交付请求边界上的原子快照（已实现，随后否决）。** 本分支较早的一个修订版会发出 `session/model-request`：一个不可回放的帧，携带在同一个 `agent/model-request` 边界测得的 `contextTokens` 与 `contextWindow`。真正让它失效的，是它成了 mux 流上唯一的不可回放类别。Host 流与 mux 流是两条独立的 SSE（Server-Sent Events）流，彼此之间没有顺序保证：在移除之前发出的请求可能在 `host/session-removed` 之后才到达，让一个已死会话的遥测数据复活；而复用同一 id 的新生命周期的合法请求，又可能被一条迟到的移除拦下。`session/subscribed` 不能证明生命周期：它只说明某个队列开始订阅某个 id，而不说明新的内存会话替换了较早的会话；`lastSeq` 则是两个生命周期可以共用的持久水位线。正确的修法需要在帧上、订阅上和移除上都带一个单调递增的生命周期代次，再加上一次客户端水位线比较。
+
+这份代价换来的是更差的显示：占用率在每次重连后变为空白，而且会话增长期间从不移动。它还把 ApiProxy 变成一个测量点，每个请求都要调用 O(surface) 的 `measure()`，并通过一个 UI 必须特殊处理的、连接打开时的合成 `cancelled` 错误来表达重连状态。
+
+**在 React 中归并已加载的节点窗口。** 无法跨分页或压缩保留数据，还会迫使展示包（package）重建日志语义。
+
+**仅随最终 assistant 消息发布用量。** 如果请求报告一个用量分片后失败，就会丢失自己的计费用量。
+
+**在 token-meter 内部解析容量。** 该包自述与模型路由无关，且在其他方面是一个从不向日志追加内容的纯读取方。AgentLoop 在写入请求头的位置已经持有已解析的元数据。
+
+**为 `session.models` RPC 增加容量字段。** 其处理器已经解析出容量又将其丢弃，因此这个字段几乎是免费的；但 `StatsLine` 位于 `ui-conversation`，模型目录位于 `ui-model`，而 `ui-conversation` 不能依赖 `ui-model`。要送达它，就得增加第二个 dock 条目、把一行文本拆到两个插件里，或者做一次跨插件的 store 写入。
+
+**在模型选择器旁增加上下文圆环。** 该位置会让人以为这是所选模型的状态。统计行可以承载该数字，无需引入重复的 UI 或数据路径。
+
+## 后果
+
+token 总量在分页、压缩、回放、重启和重连期间保持稳定，因为它们是通过通用路径恢复的普通持久投影状态。跨流重排序竞态从构造上就不存在，而不是被栅栏挡住。
+
+占用率在上文记录的意义上是近似值。由于两个字段都是持久的，它在恢复或重连后立即可用；代价是它描述的是最后一条已记录的请求，而不是精确的当前边界。
+
+每个会话日志会为每次路由或已公布容量变化增加一条小型 `request/context` 记录。token-meter 投影是持久会话投影用量语义的正典所有方；TUI 未挂载通用投影 seam，因此保留自己的实时逐步骤 map，而独立浏览器 fixture 会镜像该单元。ApiProxy 不携带任何 token 专用代码，不拥有逐会话指标缓存，也不执行测量。浏览器只保留两个通用投影值，不保留连接本地的遥测数据；流式文本增量仍不会迫使统计行重新计算。
diff --git a/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.i18n.yaml
index a56a91c980..2efe235e28 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.md
-2026-07-30-client-locale-full-rollout.md: c080d9f240d4533ecd9694ceecfada8662c46425
-2026-07-30-client-locale-full-rollout.zh.md: 062d982e3d7ea62f3ca4c8fedb842e8336f0852c
+2026-07-30-client-locale-full-rollout.md: 09baf5876029295f7a80b6a0fe6a6395d98f406c
+2026-07-30-client-locale-full-rollout.zh.md: 806916aea15a21fd24fdfc4654976b3c4577a675
diff --git a/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.md b/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.md
index c080d9f240..09baf58760 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.md
+++ b/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.md
@@ -14,7 +14,7 @@ After the typed locale standard seat landed (`locale:` on register → framework
 
 **Component copy rides the standard `t` seat; deep children take `t` as a plain prop** typed `XxxProps['t']`. The dictionary canon is unchanged: `zh satisfies Record<string, string>` is the key source and `en satisfies Record<XxxKey, string>` locks bilingual balance.
 
-**Zero-cordis atoms (ui-primitives) take copy as props**: `labels` on `TerminalBlock`/`JsonTree`, `copyLabel`/`copiedLabel` on `CodeBlock`, `codeLabels` on `MarkdownText`, `truncatedLabel` on `JsonBlock`, `label` on `ConnectionBanner`, `closeLabel` on `Modal` — defaults are the previous hardcoded strings, so a consumer passing nothing renders byte-identical output. Localized plugins pass dictionary-driven labels from their own `t` seat; call sites passing object props memoize them on the `t` identity (`MarkdownText` caches its component table on the `codeLabels` identity).
+**Zero-cordis atoms (ui-primitives) take copy as props**: `copyLabel`/`copiedLabel` on `HoverCard`, `labels` on `TerminalBlock`/`JsonTree`, `copyLabel`/`copiedLabel` on `CodeBlock`, `codeLabels` on `MarkdownText`, `truncatedLabel` on `JsonBlock`, `label` on `ConnectionBanner`, `closeLabel` on `Modal` — defaults are the previous hardcoded strings, so a consumer passing nothing renders byte-identical output. Localized plugins pass dictionary-driven labels from their own `t` seat; call sites passing object props memoize them on the `t` identity (`MarkdownText` caches its component table on the `codeLabels` identity).
 
 **The non-translation boundary (deliberate decisions, not debt):**
 
@@ -25,7 +25,7 @@ After the typed locale standard seat landed (`locale:` on register → framework
 
 **Derivation layers stay pure; localization happens at render.** ui-workspace's `relativeTime` returns structured `{unit, n}` composed with dictionary templates by the renderer; blank sessions and the Ungrouped bucket keep their stored titles, with the renderer substituting localized copy off the `blank` flag / absent `workspaceId`; **blank rows are excluded from search entirely** (a bilingual display title cannot match a single-language query stably). Dates use no Intl: format templates live in the dictionaries (message clock `clock.md`/`clock.ymd`, workspace hover `date.ymd`) and the formatters take `t` as a parameter, staying pure.
 
-**Test and e2e doctrine**: `makeTranslate(...dicts)` (dsh-client-test-runtime) mirrors the service lookup chain (first-dict-wins, key fallback, `{name}` interpolation); component specs stub the `t` seat with it, typed against real props seats. Web e2e uniformly opens through `newEnglishPage` (pins `dsh.locale=en` before boot) and the built-boot snapshot pins the same — goldens are immune to localization migrations; the settings language-switch scenario deliberately bypasses the helper to cover the zh default.
+**Test and e2e doctrine**: `makeTranslate(...dicts)` (dsh-client-test-runtime) mirrors the service lookup chain (first-dict-wins, key fallback, `{name}` interpolation); component specs stub the `t` seat with it, typed against real props seats. Web e2e uniformly opens through `newEnglishPage` (pins `dsh.locale=en` before boot) and the built-boot snapshot pins the same — goldens are immune to localization migrations; the settings language-switch scenario bypasses the helper and opens a `zh-CN` browser, since the initial locale follows `navigator` ([browser-derived initial locale](../feature/2026-07-31-browser-derived-initial-locale.md)).
 
 The "apply layer subscribes to `locale/change` and re-registers for fresh labels" mechanism in the [settings/locale/theme layering note](../../proposed/architecture/2026-07-25-client-settings-locale-theme.md) is superseded by this decision (thunk + revision lifecycle).
 
diff --git a/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.zh.md b/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.zh.md
index 062d982e3d..806916aea1 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-30-client-locale-full-rollout.zh.md
@@ -14,7 +14,7 @@ typed locale 标准席位（`locale:` 注册声明 → 框架注入强类型 `t`
 
 **组件文案走标准 `t` 席位；深层子组件用 prop 下传**，类型写 `XxxProps['t']`。字典规范形态不变：`zh satisfies Record<string, string>` 为 key 源、`en satisfies Record<XxxKey, string>` 锁双语平衡。
 
-**zero-cordis 原子组件（ui-primitives）文案 props 化**：`TerminalBlock`/`JsonTree` 的 `labels`、`CodeBlock` 的 `copyLabel`/`copiedLabel`、`MarkdownText` 的 `codeLabels`、`JsonBlock` 的 `truncatedLabel`、`ConnectionBanner` 的 `label`、`Modal` 的 `closeLabel`——默认值即原硬编码字符串，不传 props 的消费者渲染逐字节不变。已本地化的插件从自己的 `t` 席位传字典驱动的 label；传对象 props 的调用点按 `t` 身份 memo（`MarkdownText` 的组件表按 `codeLabels` 身份缓存）。
+**zero-cordis 原子组件（ui-primitives）文案 props 化**：`HoverCard` 的 `copyLabel`/`copiedLabel`、`TerminalBlock`/`JsonTree` 的 `labels`、`CodeBlock` 的 `copyLabel`/`copiedLabel`、`MarkdownText` 的 `codeLabels`、`JsonBlock` 的 `truncatedLabel`、`ConnectionBanner` 的 `label`、`Modal` 的 `closeLabel`——默认值即原硬编码字符串，不传 props 的消费者渲染逐字节不变。已本地化的插件从自己的 `t` 席位传字典驱动的 label；传对象 props 的调用点按 `t` 身份 memo（`MarkdownText` 的组件表按 `codeLabels` 身份缓存）。
 
 **不翻译边界（刻意决定，不是欠账）：**
 
@@ -25,7 +25,7 @@ typed locale 标准席位（`locale:` 注册声明 → 框架注入强类型 `t`
 
 **派生层保持纯函数，本地化只在渲染层**：ui-workspace 的 `relativeTime` 返回结构化 `{unit, n}` 由渲染组合字典模板；blank 会话/未分组桶的存储标题不变，渲染按 `blank` 标志/`workspaceId` 缺席替换本地化文案；**搜索态 blank 行一律排除**（双语标题无法与单语查询稳定匹配）。日期不引 Intl：格式模板进字典（消息时钟 `clock.md`/`clock.ymd`，workspace hover `date.ymd`），格式化函数吃 `t` 参数保持纯。
 
-**测试与 e2e 口径**：`makeTranslate(...dicts)`（dsh-client-test-runtime）镜像服务查找链（首个命中字典胜出、key 兜底、`{name}` 插值），组件测试的 `t` 桩统一用它并以真实 props 席位定型。web e2e 统一 `newEnglishPage`（boot 前钉 `dsh.locale=en`），built-boot snapshot 同样钉 en——golden 对语言迁移免疫；settings 语言切换用例刻意绕开该 helper 覆盖 zh 默认态。
+**测试与 e2e 口径**：`makeTranslate(...dicts)`（dsh-client-test-runtime）镜像服务查找链（首个命中字典胜出、key 兜底、`{name}` 插值），组件测试的 `t` 桩统一用它并以真实 props 席位定型。web e2e 统一 `newEnglishPage`（boot 前钉 `dsh.locale=en`），built-boot snapshot 同样钉 en——golden 对语言迁移免疫；settings 语言切换用例绕开该 helper 并开启 `zh-CN` 浏览器，因为初始 locale 跟随 `navigator`（[由浏览器推导初始 locale](../feature/2026-07-31-browser-derived-initial-locale.md)）。
 
 [settings/locale/theme 分层 Note](../../proposed/architecture/2026-07-25-client-settings-locale-theme.md) 中"apply 层订阅 `locale/change` 重注册刷新 label"的机制已被本决定取代（thunk + revision 生命周期）。
 
diff --git a/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.i18n.yaml
index d0d8d7b82f..01334b2d8b 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.md
-2026-07-30-session-end-seed-log-boundary.md: 837531ba0bd3ecf404eb47ee933438546c682a54
-2026-07-30-session-end-seed-log-boundary.zh.md: 33680c1845364de62e5b53ead13de418a389f908
+2026-07-30-session-end-seed-log-boundary.md: ca6145f3ce404b88d2a144483c6f1145fe0a9a7e
+2026-07-30-session-end-seed-log-boundary.zh.md: d492c4ac5f39328e75d991b285004e2d19c56283
diff --git a/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.md b/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.md
index 837531ba0b..ca6145f3ce 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.md
+++ b/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.md
@@ -14,13 +14,13 @@ Crash repair does not close the gap and must not: `interruptedTurnClosers` synth
 
 ## Decision
 
-`Session`'s constructor appends the log-only `session/end-seed` event immediately after a non-empty constructor seed, as the seeded session's first live write at the seq `firstLiveSeq` names. The event is the durable projection of that field: `firstLiveSeq` answers where this lifecycle's writes start for a consumer holding the object, while `session/end-seed` answers the same question for one holding only stored bytes. Its payload is empty — position and `time` carry the whole meaning — and it is not a `SurfaceEventType`, so it produces no message and cannot perturb derived history.
+`Session`'s constructor appends the log-only `session/end-seed` event immediately after an explicitly supplied constructor seed, including an empty one, as the seeded session's first live write at the seq `firstLiveSeq` names. The event is the durable projection of that field: `firstLiveSeq` answers where this lifecycle's writes start for a consumer holding the object, while `session/end-seed` answers the same question for one holding only stored bytes. Its payload is empty — position and `time` carry the whole meaning — and it is not a `SurfaceEventType`, so it produces no message and cannot perturb derived history. The seq-0 marker distinguishes an empty resumed session from a genuinely fresh session, preventing new-session defaults from being applied during resume.
 
 A bracket owner reads it positionally: an unmatched opening marker before `session/end-seed` has a smaller seq, came from the constructor seed, and belongs to a lifecycle that has ended. Core writes the boundary and reads nothing from it; each bracket's vocabulary stays with its owning plugin, so no core predicate helper ships without a consumer to shape it.
 
 The constructor is the placement because it is the single waist every seeded session passes through. All six entry points reach it: `agents.resume()`, config-driven startup on a persisted id (`restoreOrCreateConfigured`), `sessions.fork()`, a subagent fork child, `coordinator.adopt()`'s live-prefix path, and a bare `sessions.create(id, {seed})`. A boundary written at persistence load would miss both fork paths — and a forked child inheriting a still-running parent's open `compact/start` is precisely the case that must be classifiable. A boundary written at loop start would miss `fork()` and `adopt()`, and would have to fire on `SessionStartSource: 'startup'`, which is what a fork child publishes, so that field would stop discriminating.
 
-Two guards keep the marker from becoming noise. An empty seed writes nothing because there is no seed to end. A seed already ending in one is not re-marked, which makes the write idempotent. Idempotence is load-bearing rather than tidiness — `agentFor()` resumes a cold session on first touch, so merely opening one in a client is a pickup, and without the guard browsing would grow a log by one event per visit.
+Two guards keep the marker precise. An omitted seed writes nothing because the session is fresh. A seed already ending in one is not re-marked, which makes the write idempotent. Idempotence is load-bearing rather than tidiness — `agentFor()` resumes a cold session on first touch, so merely opening one in a client is a pickup, and without the guard browsing would grow a log by one event per visit.
 
 ## Persistence needs no changes
 
@@ -48,8 +48,8 @@ The predicate holds for a bracket *this* session inherited, not as a liveness si
 
 Bought: one boundary, written in one place, correct for all six seeded-start paths — including the fork gap the persistence-layer version could not reach. The persistence packages keep a pure read path. `firstLiveSeq` gains a durable twin rather than a second, competing notion of the same boundary.
 
-Cost: a seeded session's log is one event longer, which moved seq expectations in tests across nine packages (session, agent-loop, persistence contract, jsonl, session-query, session-title, subagent-inprocess, telemetry, token-meter). Two of those updates are load-bearing rather than mechanical: telemetry's adoption tests now assert the boundary IS exported, because it is this lifecycle's own write, and the property suite's replay invariant is restated as "seed reproduced verbatim, plus one log-only boundary" with idempotence added as its own property.
+Cost: a seeded session's log is one event longer, including an empty resumed log. Seq expectations move with that boundary. Two updates are load-bearing rather than mechanical: telemetry's adoption tests assert the boundary IS exported, because it is this lifecycle's own write, and the property suite's replay invariant is "seed reproduced verbatim, plus one log-only boundary" with idempotence as its own property.
 
 `session/end-seed` joins the on-disk vocabulary. Under the pre-release stance (`SESSION_FORMAT_VERSION` pinned at `0`, no compatibility promise) older logs simply lack it, and a log without a boundary correctly classifies nothing as constructor-seed history.
 
-Not built here: no plugin reads the boundary yet. Wiring the compaction seam's staleness check to it is the follow-up that motivated this boundary; the predicate helper belongs with that seam, where a real consumer decides its shape, rather than shipping into core untested against one.
+The [queued manual compaction decision](../feature/2026-07-30-queued-manual-compaction.md) now supplies the first consumer. Its tail scan independently finds the unmatched `compact/start` and newest end-seed, treats only a start after that boundary as live, and clears the invariant trace on the same replay transition. The predicate remains in the compaction package rather than becoming a generic core helper.
diff --git a/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.zh.md b/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.zh.md
index 33680c1845..d492c4ac5f 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-30-session-end-seed-log-boundary.zh.md
@@ -14,13 +14,13 @@ Status: implemented
 
 ## Decision
 
-`Session` 的构造函数紧接非空构造种子之后追加仅日志事件 `session/end-seed`，作为带种子会话的第一次实时写入，位置正是 `firstLiveSeq` 指出的 seq。该事件是那个字段的持久投影：`firstLiveSeq` 为持有对象的消费方回答本生命周期的写入从哪里开始，`session/end-seed` 则为只持有存储字节的消费方回答同一问题。它的 payload 为空——位置与 `time` 承载全部含义——并且不是 `SurfaceEventType`，因此不产生消息，也无法扰动派生历史。
+`Session` 的构造函数紧接显式传入的构造种子（包括空种子）之后追加仅日志事件 `session/end-seed`，作为带种子会话的第一次实时写入，位置正是 `firstLiveSeq` 指出的 seq。该事件是那个字段的持久投影：`firstLiveSeq` 为持有对象的消费方回答本生命周期的写入从哪里开始，`session/end-seed` 则为只持有存储字节的消费方回答同一问题。它的 payload 为空——位置与 `time` 承载全部含义——并且不是 `SurfaceEventType`，因此不产生消息，也无法扰动派生历史。这个 seq-0 标记把从空日志恢复的会话与真正的全新会话区分开来，从而防止恢复期间应用新会话默认值。
 
 括号所有方按位置读取它：在 `session/end-seed` 之前的未配对开启标记具有更小的 seq，来自构造种子，并且属于一个已结束的生命周期。核心写入该边界但不从中读取任何内容；每个括号的词汇表仍归其所属插件，因此在没有消费方来塑形之前，核心不会先发布谓词辅助函数。
 
 选择构造函数，是因为它是每一个带种子会话都必经的唯一收窄处。全部六个入口都会到达它：`agents.resume()`、在已持久化 id 上的配置驱动启动（`restoreOrCreateConfigured`）、`sessions.fork()`、子代理 fork 子会话、`coordinator.adopt()` 的实时前缀路径，以及裸的 `sessions.create(id, {seed})`。在持久化加载时写入的边界会漏掉两条 fork 路径——而一个继承了仍在运行的父会话开放 `compact/start` 的 fork 子会话，恰恰是必须可判定的场景。在 loop 启动时写入的边界会漏掉 `fork()` 与 `adopt()`，并且不得不在 `SessionStartSource: 'startup'` 上触发——那正是 fork 子会话发布的取值，于是该字段将不再具有区分力。
 
-两条守卫让这个标记不至于变成噪声。空种子不写入任何内容，因为没有种子需要结束。种子本身已以该事件结尾时不会重复标记，这让写入具备幂等性。幂等性是承重的，而不是为了整洁——`agentFor()` 会在首次触碰时恢复一个冷会话，因此在客户端里仅仅打开一个会话就是一次接手；没有这条守卫，浏览会让日志每访问一次就增长一个事件。
+两条守卫让这个标记保持精确。省略种子时不写入任何内容，因为这是全新会话。种子本身已以该事件结尾时不会重复标记，这让写入具备幂等性。幂等性是承重的，而不是为了整洁——`agentFor()` 会在首次触碰时恢复一个冷会话，因此在客户端里仅仅打开一个会话就是一次接手；没有这条守卫，浏览会让日志每访问一次就增长一个事件。
 
 ## 持久化无需任何改动
 
@@ -48,8 +48,8 @@ Status: implemented
 
 买到的：一条边界，在一处写入，对全部六条带种子启动路径都正确——包括持久化层方案触及不到的 fork 缺口。持久化各包保留纯读取路径。`firstLiveSeq` 获得一个持久孪生体，而不是关于同一边界的第二套彼此竞争的概念。
 
-代价：带种子会话的日志长了一个事件，这在九个包（session、agent-loop、持久化契约、jsonl、session-query、session-title、subagent-inprocess、telemetry、token-meter）里挪动了 seq 期望。其中两处更新是承重的而非机械的：telemetry 的收养测试现在断言该边界*会*被导出，因为它是本生命周期的自有写入；而属性测试套件的重放不变式被重述为"种子逐字节复现，外加一个仅日志边界"，并把幂等性补成一条独立属性。
+代价：带种子会话的日志长了一个事件，空日志恢复也包括在内。seq 期望会随这条边界移动。两处更新是承重的而非机械的：telemetry 的收养测试断言该边界*会*被导出，因为它是本生命周期的自有写入；属性测试套件的回放不变式则是"种子逐字节复现，外加一个仅日志边界"，并把幂等性作为独立属性。
 
 `session/end-seed` 加入了落盘词汇表。在预发布立场下（`SESSION_FORMAT_VERSION` 固定为 `0`，不作兼容承诺），更旧的日志只是没有它，而没有边界的日志会正确地判定没有任何内容属于构造种子历史。
 
-此处未做：还没有任何插件读取该边界。把压缩 seam 的陈旧性检查接到它上面，是催生这条边界的后续工作；谓词辅助函数应当归属那个 seam——在那里由真实消费方决定它的形状——而不是未经真实消费方检验就先落进核心。
+[排队手动压缩决策](../feature/2026-07-30-queued-manual-compaction.md)如今提供了第一个消费方。其尾部扫描会分别查找未匹配的 `compact/start` 与最新 end-seed，只把位于该边界之后的 start 视为活动锁，并在同一个回放转换上清除不变量追踪状态。该谓词仍位于压缩包中，不会成为通用核心辅助函数。
diff --git a/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.i18n.yaml
index fa54d657a9..3c04e9b255 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.md
-2026-07-30-settings-write-path-integrity.md: 07bd095162879c8e7866846cf562f6a13307e5fc
-2026-07-30-settings-write-path-integrity.zh.md: 5d02177073d482b61750d7bdfbbd0866bc227a6a
+2026-07-30-settings-write-path-integrity.md: 7bd50adc8a812759c3ae3f80a50978d75baa712a
+2026-07-30-settings-write-path-integrity.zh.md: da07745ef1de1b694fc3fd1ee3d04322cdadc992
diff --git a/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.md b/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.md
index 07bd095162..7bd50adc8a 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.md
+++ b/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.md
@@ -14,7 +14,7 @@ Review found the provider's write path could destroy state it never observed, an
 
 **One operation chain, and every write is a read-modify-write.** Watcher refreshes and persists from every namespace queue share a single settled chain, and `persistSection` begins by reconciling the on-disk text into the seam — publishing any unobserved difference first — before rendering against that fresh text. A write can no longer resurrect a stale document, and an on-disk document that turned invalid fails the write loud rather than being overwritten (the reload path keeps its warn-and-keep-last-good policy; the shared `reconcileFromDisk` throws and each caller picks its policy). The watcher's `ready` signal queues one extra reconcile, closing the startup gap between the initial load and the watcher becoming active.
 
-**Writes hold a `wx`-created `<file>.lock` sibling.** The read-render-rename cycle runs under a cross-process writer lock with exponential backoff, a 2 s acquisition deadline, and stale takeover after 5 s (a crashed holder, broken with a warning). Readers never lock — the rename commit is atomic — so contention is writer-only and resolves in milliseconds. The lock constants are protocol invariants, not config: a holder rewrites one small document, so the deadline and stale age derive from that bound, not from deployment taste.
+**Writes hold a `wx`-created `<file>.lock` sibling.** The read-render-rename cycle runs under a cross-process writer lock with exponential backoff and a 2 s acquisition deadline. A contender times out without removing the existing lock because age cannot distinguish a crashed owner from a paused live writer; orphan recovery is an operator action. Readers never lock — the rename commit is atomic — so contention is writer-only. The retry and deadline constants are protocol invariants, not deployment config.
 
 **Observer disposal is quiescent.** Watchers carry an `active` flag checked when a queued invocation would start, so a disposer that ran while the invocation waited prevents the start entirely; started invocations register in a service-level `pendingTails` set that the dispose drain awaits beside the write queues. The `settings/updated` fan-out contains a returned thenable's rejection through the same listener diagnostic as a sync throw, and the event contract now states that the `INVARIANT` rethrow serves synchronous listeners only — invariant companions must stay sync, which the shipped companion already is.
 
@@ -24,7 +24,7 @@ Review found the provider's write path could destroy state it never observed, an
 
 ## Alternatives considered
 
-- **`proper-lockfile` instead of a hand-rolled lock** — the dependency-over-hand-rolling policy was weighed: the library is barely maintained, its stale/retry policy is broader than this one-file protocol needs, and the shipped lock is ~40 lines with deterministic tests (including injected `EEXIST`/`stat` races). The policy favors dependencies that delete owned code; this one would replace 40 explained lines with an opaque peer.
+- **`proper-lockfile` instead of a hand-rolled lock** — the dependency-over-hand-rolling policy was weighed: the library is barely maintained, its ownership and retry policy is broader than this one-file protocol needs, and the shipped lock is a small exclusive-create loop with deterministic contention tests. The policy favors dependencies that delete owned code; this one would replace a narrow protocol with an opaque peer.
 - **Revision/CAS instead of a lock** — rename cannot express compare-and-swap, so a CAS needs a version sidecar or content re-hash and a retry loop in every writer; the lock achieves the same serialization with one primitive and keeps readers free.
 - **Merging external edits into the in-flight write's own section** — the seam merges patches over the state visible at call time, so a same-namespace external edit racing a write still resolves last-write-wins; folding it in would need three-way merge semantics no consumer has asked for. The write publishes the external state first, so the loser is at least observed before being superseded.
 - **Declaring async `settings/updated` listeners unsupported** — the typed signature is `void` and lint flags misused promises, but an unlinted JS plugin can still register an async listener; a contract note cannot un-throw an unhandled rejection, so containment is the only defense that holds at runtime.
@@ -32,4 +32,4 @@ Review found the provider's write path could destroy state it never observed, an
 
 ## Consequences
 
-`update()` gained a documented failure mode (lock deadline, invalid on-disk document) and the rejection messages carry `$`-rooted paths. Remaining, documented in the provider README: same-namespace concurrent edits stay last-write-wins (no per-value merge or revision check), a watcher event the OS never delivers leaves the cache stale until the next signal or write, and comments inside replaced arrays or attached inline to changed scalar values go with the value they described. The [user-settings seam note](2026-07-28-user-settings-seam.md)'s deferred-lockfile alternative is superseded by this note. The same defect classes exist in `dsh-credentials-local` (two chains over one `.env`, cached whole-file write-back, post-persist emit) and in the `llm/adapters-updated` fan-out on the stacked branches; those fixes belong to the PRs that introduce the packages and follow this template on merge-up.
+`update()` has documented failure modes for the lock deadline and an invalid on-disk document, and rejection messages carry `$`-rooted paths. A crashed holder can leave a lock that requires verified operator removal; automatic age-based takeover would permit overlapping writers. Remaining, documented in the provider README: same-namespace concurrent edits stay last-write-wins (no per-value merge or revision check), a watcher event the OS never delivers leaves the cache stale until the next signal or write, and comments inside replaced arrays or attached inline to changed scalar values go with the value they described. The [user-settings seam note](2026-07-28-user-settings-seam.md)'s deferred-lockfile alternative is superseded by this note. The same defect classes exist in `dsh-credentials-local` (two chains over one `.env`, cached whole-file write-back, post-persist emit) and in the `llm/adapters-updated` fan-out on the stacked branches; those fixes belong to the PRs that introduce the packages and follow this template on merge-up.
diff --git a/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.zh.md b/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.zh.md
index 5d02177073..da07745ef1 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-30-settings-write-path-integrity.zh.md
@@ -18,7 +18,7 @@ YAML 写入则整体替换 namespace 节点，把分节内的每条注释都删
 
 **单一操作链，且每次写入都是读-改-写。**watcher 的刷新与来自各 namespace 队列的持久化共享同一条结算链；`persistSection` 会先把磁盘上的文本对账进 seam——任何未被观察到的差异都先发布出去——然后才对照这份新鲜文本渲染。写入不再可能复活一份陈旧文档；磁盘上已变非法的文档会让写入响亮失败，而不是被覆盖（重载路径保持其“告警并保留最后可用值”策略；共享的 `reconcileFromDisk` 抛错，各调用方自选策略）。watcher 的 `ready` 信号会额外排入一次对账，弥合初始加载与 watcher 生效之间的启动缺口。
 
-**写入持有以 `wx` 创建的同目录 `<file>.lock`。**读-渲染-rename 循环在一把跨进程写锁下运行：指数退避、2 s 获取截止时间、5 s 后陈旧接管（持有者已崩溃；打破旧锁时给出告警）。读方从不加锁——rename 提交是原子的——因此竞争只发生在写方之间，毫秒级即可化解。锁的各项常量是协议不变式，不是配置：持有者只是重写一份小文档，截止时间与陈旧时限都从这一上界推得，而非出自部署偏好。
+**写入持有以 `wx` 创建的同目录 `<file>.lock`。**读-渲染-rename 循环在一把跨进程写锁下运行，采用指数退避与 2 s 获取期限。竞争者会超时，但不会移除现有锁，因为锁龄无法区分已经崩溃的所有者与被暂停但仍存活的写入方；遗留锁恢复须由操作者执行。读方从不加锁——rename 提交是原子的——因此竞争只发生在写方之间。重试与期限常量是协议不变式，而非部署配置。
 
 **观察者 dispose 达到完全停稳。**watcher 携带一个 `active` 标志，排队的调用即将启动时先检查它，因此在调用等待期间已经运行过的释放器能让这次启动彻底不发生；已启动的调用会登记进服务级的 `pendingTails` 集合，dispose 排空除了等待各写队列，还会等待该集合。`settings/updated` 扇出会把监听器返回的 thenable 的 rejection 收容进与同步抛错相同的监听器诊断；事件契约现已写明 `INVARIANT` 重抛只服务同步监听器——不变式配套插件必须保持同步，而已交付的那个配套插件本就是同步的。
 
@@ -28,7 +28,7 @@ YAML 写入则整体替换 namespace 节点，把分节内的每条注释都删
 
 ## 曾考虑的替代方案
 
-- **用 `proper-lockfile` 取代手写锁**——按“依赖优先于手写”政策做过权衡：该库几乎无人维护，其陈旧／重试策略比这个单文件协议所需的更宽泛，而已交付的锁约 40 行并带确定性测试（含注入的 `EEXIST`/`stat` 竞态）。该政策偏向能删除自有代码的依赖；这个依赖只会把 40 行带解释的代码换成一个不透明的等价物。
+- **用 `proper-lockfile` 取代手写锁**——按“依赖优先于手写”政策做过权衡：该库几乎无人维护，其所有权与重试策略比这个单文件协议所需的更宽泛，而已交付的锁只是一个小型独占创建循环，带确定性的竞争测试。该政策偏向能删除自有代码的依赖；这个依赖只会把一个窄协议换成不透明的等价物。
 - **用修订号/CAS 取代锁**——rename 表达不了 compare-and-swap，因此 CAS 需要一个版本伴随文件或内容重哈希，外加每个写方里的一个重试循环；锁用一个原语实现同样的串行化，还让读方完全免锁。
 - **把外部编辑合并进正在进行的写入自身的分节**——seam 是在调用时刻可见的状态之上合并 patch 的，因此与写入竞态的同 namespace 外部编辑仍按后写胜出解决；要把外部编辑并进来，需要三方合并语义，而没有任何消费方提出过这种需求。写入会先发布外部状态，落败一方至少在被取代之前被观察到。
 - **宣布不支持异步 `settings/updated` 监听器**——类型签名是 `void`，lint 也会标记误用的 promise，但未经 lint 的 JS 插件仍能注册异步监听器；契约里的一句说明无法收回已经抛出的 unhandled rejection，收容是唯一在运行时守得住的防线。
@@ -36,6 +36,6 @@ YAML 写入则整体替换 namespace 节点，把分节内的每条注释都删
 
 ## 后果
 
-`update()` 有了成文的失败模式（锁截止时间到期、磁盘文档非法），rejection 消息携带以 `$` 为根的路径。仍然存在、且已记录在提供方 README 中的有：同 namespace 并发编辑仍是后写胜出（没有逐值合并，也没有修订号检查）；OS 从未投递的 watcher 事件会让缓存保持陈旧，直到下一个信号或下一次写入；被替换数组内部的注释、以及行内附着在被改标量值上的注释，会随其描述的值一起消失。
+`update()` 对锁获取期限与磁盘文档非法都有成文的失败模式，rejection 消息携带以 `$` 为根的路径。持有者崩溃后可能留下锁，需要操作者核实后移除；若按锁龄自动接管，则会允许多个写入方重叠。仍然存在、且已记录在提供方 README 中的有：同 namespace 并发编辑仍是后写胜出（没有逐值合并，也没有修订号检查）；OS 从未投递的 watcher 事件会让缓存保持陈旧，直到下一个信号或下一次写入；被替换数组内部的注释、以及行内附着在被改标量值上的注释，会随其描述的值一起消失。
 
 [用户设置 seam note](2026-07-28-user-settings-seam.md)里“延后锁文件”那条替代方案已被本 note 取代。同类缺陷还存在于 `dsh-credentials-local`（两条链共用一个 `.env`、按缓存整文件写回、持久化之后才发事件）与堆叠分支上的 `llm/adapters-updated` 扇出；这些修复归引入相应包（package）的那些 PR（Pull Request）所有，向上合并时按本模板处理。
diff --git a/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.i18n.yaml
index ac37214ebf..fedfc7e489 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.i18n.yaml
+++ b/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-30-web-config-plane.md
-2026-07-30-web-config-plane.md: 95ede6264026f7b32e95749d00fe841f57dbf867
-2026-07-30-web-config-plane.zh.md: 6e06b69218a405055621cbd40781f9fbda9f9e6b
+2026-07-30-web-config-plane.md: 6d1a8c242c1888ee4fca9e21ebc814f7a345d633
+2026-07-30-web-config-plane.zh.md: c3255cacfdd1f06d12f7bb2631f95273536b7ef9
diff --git a/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.md b/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.md
index 95ede62640..6d1a8c242c 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.md
+++ b/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.md
@@ -20,7 +20,7 @@ PR1 made LLM adapter configuration restart-free at the seam, but the only writer
 
 **A hand-written editor over a schema model layer.** `dsh-client-schema-form` rehydrates the wire's `toJSON()` envelope into live schemastery nodes for validation, path resolution, and immutable draft editing — but no generic rendering: the first cut shipped a full schema-driven form renderer, and the resulting page was an unstyled schema dump (every advanced field flattened onto the card, raw field names as labels, the `retryPolicy` unsupported-fallback in the main flow). The user chose the hand-written direction over adding a hint/grouping system, and a second round removed the reference input entirely: the card's primary field is one **API key** input, a whole-section provider without a configured key opens as its setup card, and the collapsed 自定义设置 fold carries the curated per-family extras (`baseURL` for both families, plus `reasoningEffort` for deepseek / `reasoning` for pi-ai), with every other field owned by `settings.yaml`. Validation still runs the rehydrated schema before writing, so a hand-coded field that drifts from its schema fails loud on save rather than silently.
 
-**The Models page is a three-domain join with seam-shaped apply semantics.** Rows are configured providers; the add card's select is the dormant directory remainder; badges come from route liveness. The key path stays reference-shaped without ever showing a reference: a typed key stores **write-only** through `credentials.set` under the profile's `apiKeyEnv`, deriving `<ROUTE>_API_KEY` when none exists (the pi-ai profile records the derivation), so `settings.yaml` never carries a key value and the wholesale `settings.replace` a removal needs can never drop a sibling's secret. An edit without removals lands as a minimal `settings.update` merge patch; clearing a fold field back to inherited or deleting a row replaces the whole user section, because merge semantics cannot express removal.
+**The Models page is a three-domain join with seam-shaped apply semantics.** Rows are configured providers; the add card's select is the dormant directory remainder. Route liveness still gates readiness and invalidates the join, but the page does not render it as provider status because configuration presence and runtime availability are distinct. The key path stays reference-shaped without ever showing a reference: a typed key stores **write-only** through `credentials.set` under the profile's `apiKeyEnv`, deriving `<ROUTE>_API_KEY` when none exists (the pi-ai profile records the derivation), so `settings.yaml` never carries a key value. Profile edits and removals land as minimal path-addressed `settings.mutate` operations against the redacted user section, which never names a secret the page did not receive. Removing a user-layer provider first opens a localized model-provider confirmation dialog; cancellation, its close button, and its mask leave the profile untouched, while the destructive confirmation submits the single unset and blocks duplicate submission until it settles.
 
 ## Alternatives considered
 
@@ -33,4 +33,4 @@ PR1 made LLM adapter configuration restart-free at the seam, but the only writer
 
 ## Consequences
 
-The whole loop is pinned keyless in the browser lane (`apps/web/tests/models-settings.e2e.ts`): the add card offers the dormant pi-ai catalog, adding `minimax-cn` with a typed key writes the reference-only profile into `settings.yaml`, stores the value into the harness home's `.env` under the derived `MINIMAX_CN_API_KEY`, registers the route live on the topology frame, and the customized fold merges `reasoning` beside the reference — zero model calls, ARIA goldens for the add-card and configured states, plus a scaffold `harnessHome` so tests never touch a real `~/.dsh` (the provider under test is one whose derived reference cannot collide with a developer's exported keys). The rename touched 239 files (fixtures, goldens, docs, python) in one commit with no compatibility alias. The renderer replacement cost one commit and no wire change: apply semantics, redaction, and the directory join were renderer-agnostic all along. Deferred: a per-row models preview (the picker already lists models), a page address for live routes that never declared configurability, and the documented reset edge — a `settings.replace` cannot re-supply a stored *literal* secret in the replaced subtree, which the reference-based default makes unreachable.
+The whole loop is pinned keyless in the browser lane (`apps/web/tests/models-settings.e2e.ts`): the add card offers the dormant pi-ai catalog, adding `minimax-cn` with a typed key writes the reference-only profile into `settings.yaml`, stores the value into the harness home's `.env` under the derived `MINIMAX_CN_API_KEY`, registers the route live on the topology frame, and the customized fold merges `reasoning` beside the reference — zero model calls, ARIA goldens for the add-card, configured, and delete-confirmation states, plus a scaffold `harnessHome` so tests never touch a real `~/.dsh` (the provider under test is one whose derived reference cannot collide with a developer's exported keys). The removal scenario proves cancellation leaves the profile intact, confirmation removes it, and the intentionally retained credential survives. The rename touched 239 files (fixtures, goldens, docs, python) in one commit with no compatibility alias. The renderer replacement cost one commit and no wire change: apply semantics, redaction, and the directory join were renderer-agnostic all along. Deferred: a per-row models preview (the picker already lists models), a page address for live routes that never declared configurability, and explicit removal of a provider's retained credential.
diff --git a/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.zh.md b/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.zh.md
index 6e06b69218..c3255cacfd 100644
--- a/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.zh.md
+++ b/.agents/notes/implemented/architecture/2026-07-30-web-config-plane.zh.md
@@ -20,7 +20,7 @@ PR1 让 LLM（大语言模型）适配器配置在 seam 层面免重启，但唯
 
 **架在 schema 模型层之上的手写编辑器。**`dsh-client-schema-form` 把 wire 的 `toJSON()` 信封还原（rehydrate）为活的 schemastery 节点，用于校验、路径解析与不可变草稿编辑——但不做通用渲染：第一版交付了完整的 schema 驱动表单渲染器，得到的却是一个未加样式、把 schema 原样倾倒出来的页面（每个进阶字段都平铺到卡片上、原始字段名直接充当标签、`retryPolicy` 的「不支持」回退落在主流程里）。用户没有再加一套提示／分组系统，而是选择了手写方向，第二轮又把引用输入框整个移除：卡片的主字段是一个 **API 密钥**输入框，未配置密钥的整分节提供方会以其设置卡片的形式打开，收起的「自定义设置」折叠区承载按家族精选的额外字段（两个家族都有 `baseURL`，另加 deepseek 的 `reasoningEffort`／pi-ai 的 `reasoning`），其余每个字段都归 `settings.yaml` 所有。校验仍会在写入前运行还原出的 schema，因此偏离其 schema 的手写字段会在保存时大声失败，而非静默失败。
 
-**Models 页是一次三领域联接，应用语义与 seam 同形。**每一行是一个已配置的提供方；「新增」卡片的选择框是可配置提供方目录中剩余的休眠条目；徽标来自路由存活状态。密钥通道保持引用形态，却从不展示任何引用：键入的密钥经 `credentials.set` **只写**存入 profile 的 `apiKeyEnv` 之下，引用不存在时便派生 `<ROUTE>_API_KEY`（pi-ai profile 会记录该派生），因此 `settings.yaml` 从不携带密钥值，删除所需的整体 `settings.replace` 也绝不可能丢掉兄弟条目的机密。不含删除的编辑以一次最小的 `settings.update` 合并 patch 落地；把折叠区字段清回继承值或删除整行则经 `settings.replace` 替换整个用户分节，因为合并语义表达不了删除。
+**Models 页是一次三领域联接，应用语义与 seam 同形。**每一行是一个已配置的提供方；「新增」卡片的选择框是可配置提供方目录中剩余的休眠条目。路由存活状态仍用于就绪判定，并会使该联接失效，但页面不将其渲染为提供方状态，因为配置存在与运行时可用性是两个不同概念。密钥通道保持引用形态，却从不展示任何引用：键入的密钥经 `credentials.set` **只写**存入 profile 的 `apiKeyEnv` 之下，引用不存在时便派生 `<ROUTE>_API_KEY`（pi-ai profile 会记录该派生），因此 `settings.yaml` 从不携带密钥值。profile 的编辑和删除会针对脱敏后的用户分节，以按路径寻址的最小 `settings.mutate` 操作落地，绝不会点名页面未收到的机密。删除用户层提供方时，会先打开本地化的模型提供方确认对话框；取消操作、关闭按钮和遮罩均不会改动 profile，而破坏性确认会提交唯一一条 unset，并在其完成前阻止重复提交。
 
 ## 曾考虑的替代方案
 
@@ -33,4 +33,4 @@ PR1 让 LLM（大语言模型）适配器配置在 seam 层面免重启，但唯
 
 ## 后果
 
-整条闭环以无密钥方式固定在浏览器测试通道（`apps/web/tests/models-settings.e2e.ts`）：「新增」卡片提供休眠的 pi-ai catalog，携键入的密钥添加 `minimax-cn` 会把只含引用的 profile 写入 `settings.yaml`、把密钥值存入 harness 家目录 `.env` 中派生的 `MINIMAX_CN_API_KEY` 之下、路由随拓扑帧注册为存活，「自定义设置」折叠区则把 `reasoning` 合并到引用旁边——全程零模型调用，「新增」卡片态与已配置态各有 ARIA golden，另有脚手架式的 `harnessHome`，测试绝不触碰真实的 `~/.dsh`（受测提供方是派生引用不可能与开发者已导出密钥相撞的那一个）。这次重命名在一次提交中触及 239 个文件（fixture（测试前置数据）、golden、文档、python），未保留兼容别名。替换渲染器只花了一次提交，且没有任何 wire 变更：应用语义、脱敏与目录联接从一开始就与渲染器无关。延后事项：每行的模型预览（选择器已能列出模型）、为从未声明可配置性的存活路由提供页面地址，以及已记录在案的重置边界情形——`settings.replace` 无法在被替换的子树里重新补上已存储的*字面量*机密，而基于引用的默认形态让这种情况根本无从出现。
+整条闭环以无密钥方式固定在浏览器测试通道（`apps/web/tests/models-settings.e2e.ts`）：「新增」卡片提供休眠的 pi-ai catalog，携键入的密钥添加 `minimax-cn` 会把只含引用的 profile 写入 `settings.yaml`、把密钥值存入 harness 家目录 `.env` 中派生的 `MINIMAX_CN_API_KEY` 之下、路由随拓扑帧注册为存活，「自定义设置」折叠区则把 `reasoning` 合并到引用旁边——全程零模型调用，「新增」卡片态、已配置态与删除确认态各有 ARIA golden，另有脚手架式的 `harnessHome`，测试绝不触碰真实的 `~/.dsh`（受测提供方是派生引用不可能与开发者已导出密钥相撞的那一个）。删除场景证明：取消后 profile 保持原样，确认后会将其删除，而刻意保留的凭据依然存在。这次重命名在一次提交中触及 239 个文件（fixture（测试前置数据）、golden、文档、python），未保留兼容别名。替换渲染器只花了一次提交，且没有任何 wire 变更：应用语义、脱敏与目录联接从一开始就与渲染器无关。延后事项：每行的模型预览（选择器已能列出模型）、为从未声明可配置性的存活路由提供页面地址，以及显式删除提供方所保留的凭据。
diff --git a/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.i18n.yaml b/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.i18n.yaml
index edb6ac6e4a..8926d51744 100644
--- a/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.i18n.yaml
+++ b/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.md
-2026-07-29-human-transcript-append-origin.md: a296b93d538d9c28bd61ee8fd0530863b4bfd878
-2026-07-29-human-transcript-append-origin.zh.md: 96e0cd1038fe8904dfd4c1eceaae9b25339c5dca
+2026-07-29-human-transcript-append-origin.md: a47dd49dd831cdd32d520137417bf47d2c056a09
+2026-07-29-human-transcript-append-origin.zh.md: 31639bd9aac5d6dace80392004f37c747bff2c36
diff --git a/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.md b/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.md
index a296b93d53..a47dd49dd8 100644
--- a/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.md
+++ b/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.md
@@ -24,9 +24,9 @@ No persisted event, RPC envelope, compaction transaction, or model-visible surfa
 
 ## Deferred
 
-The browser client still builds its conversation from the model surface through `FoldAdapter`, so compaction still collapses web history to a single context row. The same predicate is the fix there, together with an append-order transcript projection and a marker component; that work is a separate change against `packages/client/runtime` and `packages/client/ui-conversation`.
+The browser client is fixed separately, in [the web transcript projection note](2026-07-30-web-transcript-log-ordered-projection.md): it projects the same append-origin transcript in log order and renders a marker component, and it closes the pagination hole this change opened — because `session.history` no longer spends quota on the checkpoint, it never cuts on the checkpoint's provenance group, so a page can carry a checkpoint citing a `surfaceOp.start` outside the window, which the browser's surface fold rejected. That hole predates this change (counting could already run past a checkpoint into the range it shadows), but the old rule accidentally covered the case where the checkpoint was the oldest counted message and pulled the whole shadowed range onto its page.
 
-That work must handle a page whose checkpoint cites a `surfaceOp.start` outside the window: pagination no longer spends quota on the checkpoint, so it never cuts on the checkpoint's provenance group, and `FoldAdapter` pads absent events with a non-surface sentinel — so `SurfaceManager` rejects the range and `nodes()` falls back to `degradedSeqs()` with a logged error. The hole predates this change (counting could already run past a checkpoint into the range it shadows), but the old rule accidentally covered the case where the checkpoint was the oldest counted message and pulled the whole shadowed range onto its page. `degradedSeqs()` — every surface-eligible event in append order — is already close to the transcript projection A2 needs, which is the shape to build deliberately rather than reach as a degradation. Rendering compaction *progress* — a terminal indicator while a compaction runs — needs the bracket-first ordering that the queued manual `/compact` work introduces, and is likewise out of scope here. The marker also carries no scale: the checkpoint's `sourceEventSeqs` already hold the shadowed count, so a count or range would tell a reader how much each row folded. That belongs with progress, where the reader meets the other half of the same information. Whoever takes it should fold the terminal's two replacement branches — replay and the live listener, textually identical and 600 lines apart — into one `renderReplacement(event)` first, so the marker's content has a single home.
+The terminal's [live compaction progress decision](../feature/2026-07-30-compaction-progress-visibility.md) uses standalone bracket events to drive the existing one-cell indicator. It does not change the completion marker owned here or add scale: the checkpoint's `sourceEventSeqs` remain available for a separately justified count or range. Progress therefore needs neither marker-content changes nor a prerequisite `renderReplacement(event)` extraction.
 
 ## Alternatives considered
 
diff --git a/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.zh.md b/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.zh.md
index 96e0cd1038..31639bd9aa 100644
--- a/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.zh.md
+++ b/.agents/notes/implemented/bug-fix/2026-07-29-human-transcript-append-origin.zh.md
@@ -24,9 +24,9 @@ Status: implemented
 
 ## Deferred
 
-浏览器客户端仍通过 `FoldAdapter` 从模型 surface 构建会话，因此压缩在 Web 端仍会把历史折叠成一行上下文。那里的修复用的是同一个谓词，另需按追加顺序的记录投影与一个标记组件；该工作是针对 `packages/client/runtime` 与 `packages/client/ui-conversation` 的独立变更。
+浏览器客户端在[Web 记录投影笔记](2026-07-30-web-transcript-log-ordered-projection.md)中单独修复：它按日志顺序投影同一份 append 来源记录并渲染一个标记组件，同时闭合本次变更打开的分页缺口——因为 `session.history` 不再为检查点消耗额度，它永远不会按检查点的溯源分组切分，于是一页可以携带一个引用了窗口之外 `surfaceOp.start` 的检查点，而浏览器的 surface fold 会拒绝该范围。这个缺口早于本次变更（此前计数就可能越过检查点进入它所遮蔽的范围），但旧规则恰好覆盖了这样一种情形：检查点是最旧的被计数消息，其溯源分组把整段被遮蔽的范围一起拉到该页。
 
-该工作必须处理这样一页：其检查点引用的 `surfaceOp.start` 落在窗口之外。分页不再为检查点消耗额度，因此永远不会按检查点的溯源分组切分；而 `FoldAdapter` 会用一个非 surface 的哨兵事件填补缺失事件——于是 `SurfaceManager` 拒绝该范围，`nodes()` 退化为 `degradedSeqs()` 并记录一条错误。这个缺口早于本次变更（此前计数就可能越过检查点进入它所遮蔽的范围），但旧规则恰好覆盖了这样一种情形：检查点是最旧的被计数消息，其溯源分组把整段被遮蔽的范围一起拉到该页。`degradedSeqs()`——按追加顺序的每个 surface 可入事件——已经很接近 A2 所需的记录投影，因此那正是应当刻意构建的形态，而不是作为退化路径被动落到的结果。渲染压缩*进度*——压缩运行期间的终端指示——需要排队式手动 `/compact` 工作引入的“先开括号”顺序，同样不在本次范围内。标记同样不携带规模信息：检查点的 `sourceEventSeqs` 已经包含被遮蔽的数量，因此一个计数或区间可以告诉读者每一行折叠了多少内容。这件事属于进度那一侧，读者正是在那里遇到同一份信息的另一半。接手者应当先把终端里两处替换分支——回放与实时监听器，文本完全相同却相隔 600 行——合并为一个 `renderReplacement(event)`，让标记的内容只有一个归处。
+终端的[实时压缩进度决策](../feature/2026-07-30-compaction-progress-visibility.md)使用独立标记对中的事件驱动现有的单格指示器。它既不改变本文所负责的完成标记，也不添加规模信息：检查点的 `sourceEventSeqs` 仍可供经另行论证的计数或区间使用。因此，进度显示既不需要修改标记内容，也不以提取 `renderReplacement(event)` 为前置条件。
 
 ## Alternatives considered
 
diff --git a/.agents/notes/implemented/bug-fix/2026-07-30-hover-popup-pointer-grace.i18n.yaml b/.agents/notes/implemented/bug-fix/2026-07-30-hover-popup-pointer-grace.i18n.yaml
new file mode 100644
index 0000000000..ed2f7646bc
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-30-hover-popup-pointer-grace.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/bug-fix/2026-07-30-hover-popup-pointer-grace.md
+2026-07-30-hover-popup-pointer-grace.md: 3f60c98ec6453b633feebe408cbc0c0c49eedea1
+2026-07-30-hover-popup-pointer-grace.zh.md: db10e156103284383f911684b2c92977a0315275
diff --git a/.agents/notes/implemented/bug-fix/2026-07-30-hover-popup-pointer-grace.md b/.agents/notes/implemented/bug-fix/2026-07-30-hover-popup-pointer-grace.md
new file mode 100644
index 0000000000..3f60c98ec6
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-30-hover-popup-pointer-grace.md
@@ -0,0 +1,35 @@
+# Agent Note: Hover popup pointer grace
+
+Status: implemented
+
+English | [中文](2026-07-30-hover-popup-pointer-grace.zh.md)
+
+## Problem
+
+Both popups the workspace browser rows raise floated out of reach of the pointer. `HoverCard` closed on the first `pointerleave` from its anchor and rendered its card `pointer-events: none`, but the card sits 8px off the anchor's right edge, so every path to it crossed ground belonging to neither and killed the card before it arrived — the full workspace path and session title it exists to show could be read only in passing. The row action menus passed `closeOnPointerLeave`, whose handler sat on the portaled list: aiming back at the `...` trigger that opened the list closed it, and so did any overshoot past a list edge, with no window to come back.
+
+## Decision
+
+`usePointerGrace` ([packages/client/ui-primitives/src/pointer-grace.ts](../../../../packages/client/ui-primitives/src/pointer-grace.ts)) owns one cancelable delayed close, shared by both atoms, with `POINTER_GRACE_MS` at 200. Leaving arms the close; coming back cancels it. Transit through an anchor-to-popup gap is therefore survivable, while a pointer that has genuinely moved on still dismisses the popup.
+
+`HoverCard` arms the grace on leave instead of closing, and its card no longer sets `pointer-events: none`, so resting on the card holds it open. Re-entering while already open cancels the pending close without restarting the dwell, which keeps the card from blinking when the pointer crosses the gap. A press on the card starts a selection instead of dismissing it; only anchor-region presses and an owner flipping `disabled` dismiss immediately, ahead of the grace.
+
+`Menu` moves pointer-leave dismissal from the portaled list to the wrapper span. React's enter/leave traversal runs over the React tree, so the trigger and the portaled list are one region there: crossing the 4px gap between them, or aiming back at the trigger, no longer counts as leaving. Leaving is only armed while the list is open, and an owner-driven close (selection, Escape, outside click) disarms a pending grace close in an effect keyed on `open` alone — folding that into the outside-click effect would cancel the grace on every re-render, since owners pass a fresh `onClose` closure each time.
+
+## Alternatives considered
+
+**Close the popups only on outside click and Escape.** Rejected because both popups are hover-raised and unlabeled as dismissible; leaving them up after the pointer has moved to another row would strand a card over unrelated content.
+
+**Widen the anchor's hit area to abut the popup.** Rejected because the 8px and 4px offsets are the design's, and an invisible bridge element would have to track every reposition the fixed-positioned popups already do on scroll and resize.
+
+**Keep the hover card `pointer-events: none` and only add the grace.** Rejected because the pointer resting on the card would then hit whatever is behind it, so the grace would expire and close the card the user had just reached.
+
+**Give each atom its own timer.** Rejected because the two closes are the same behavior with the same tuning; a shared hook keeps them from drifting apart.
+
+## Consequences
+
+The hover card is now hit-testable and covers 244px of whatever it overlays while shown, which is the price of being reachable; it still lives only as long as the pointer is on the row or the card. Row menus survive the round trip between trigger and list, and a menu that closes for its own reason cannot be reopened into a stale pending close. Menus without `closeOnPointerLeave` are untouched — the wrapper handlers are only attached when it is set.
+
+## Testing
+
+`packages/client/ui-primitives/tests/hover-card.spec.tsx` and `tests/atoms.spec.tsx` pin the grace boundary, cancel-on-return, no-second-dwell, disarm-on-owner-close, and the no-arming-while-closed case. The reachability gestures themselves — hovering onto the card, and moving between an open list and its trigger — are pinned in the real browser by `apps/web/tests/workspace-management.e2e.ts`, since they depend on hit testing and layout that jsdom does not model.
diff --git a/.agents/notes/implemented/bug-fix/2026-07-30-hover-popup-pointer-grace.zh.md b/.agents/notes/implemented/bug-fix/2026-07-30-hover-popup-pointer-grace.zh.md
new file mode 100644
index 0000000000..db10e15610
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-30-hover-popup-pointer-grace.zh.md
@@ -0,0 +1,35 @@
+# Agent Note: 悬浮弹层的指针宽限期
+
+Status: implemented
+
+[English](2026-07-30-hover-popup-pointer-grace.md) | 中文
+
+## 问题
+
+工作区浏览器行弹出的两种弹层都处于指针无法抵达的位置。`HoverCard` 在指针离开锚点的第一个 `pointerleave` 上就关闭，其卡片还设置了 `pointer-events: none`；但卡片位于锚点右边缘外 8px 处，因此通往卡片的每条路径都要穿过既不属于锚点也不属于卡片的区域，卡片在指针抵达之前就已被销毁——它本应展示的完整工作区路径和会话标题只能匆匆一瞥。行操作菜单传入了 `closeOnPointerLeave`，而其处理器挂在传送后的列表上：把指针移回打开该列表的 `...` 触发按钮会关闭列表，越过列表边缘的任何一次抖动同样如此，且没有任何折返窗口。
+
+## 决策
+
+`usePointerGrace`（[packages/client/ui-primitives/src/pointer-grace.ts](../../../../packages/client/ui-primitives/src/pointer-grace.ts)）持有唯一一个可取消的延迟关闭，由两个原子组件共享，`POINTER_GRACE_MS` 为 200。离开会启动关闭，折返则取消它。因此指针可以安全穿越锚点与弹层之间的间隙，而真正移开的指针仍会关闭弹层。
+
+`HoverCard` 在离开时启动宽限期而不再立即关闭，其卡片也不再设置 `pointer-events: none`，因此指针停在卡片上即可让它保持打开。在已打开状态下重新进入只取消待执行的关闭，而不重启停留计时，从而避免指针穿越间隙时卡片闪烁。在卡片上按下指针用于开始文本选择，不会关闭卡片；只有锚点区域内的按下和所有者将 `disabled` 置真，才会抢在宽限期之前立即关闭卡片。
+
+`Menu` 把指针离开关闭的处理从传送后的列表移到包裹 span 上。React 的 enter/leave 遍历基于 React 树进行，因此触发按钮与传送后的列表在这里属于同一区域：穿越两者之间 4px 的间隙、或把指针移回触发按钮，都不再算作离开。只有在列表打开时才会启动离开关闭；由所有者驱动的关闭（选择、Escape、外部点击）会在一个仅以 `open` 为依赖的 effect 中解除待执行的宽限关闭——若把它折叠进外部点击的 effect，则每次重新渲染都会取消宽限期，因为所有者每次都传入新的 `onClose` 闭包。
+
+## 考虑过的替代方案
+
+**仅通过外部点击和 Escape 关闭这两种弹层。** 之所以否决：两者都由悬停唤起，且没有可见的关闭标识；在指针已移到其他行之后仍让它们停留，会把卡片遗留在无关内容之上。
+
+**扩大锚点的命中区域，使其与弹层相接。** 之所以否决：8px 与 4px 的偏移来自设计稿，而一个不可见的桥接元素还必须跟随这两个固定定位弹层已经在滚动和缩放时执行的每一次重新定位。
+
+**保留悬浮卡片的 `pointer-events: none`，只加入宽限期。** 之所以否决：那样指针停在卡片上时命中的是卡片背后的元素，宽限期仍会到期，并关闭用户刚刚够到的卡片。
+
+**让两个原子组件各自持有计时器。** 之所以否决：这两处关闭是同一种行为、同一套调参；共享 hook 可以防止它们各自漂移。
+
+## 后果
+
+悬浮卡片现在可被命中，显示期间会遮挡其覆盖区域的 244px——这是可抵达性的代价；它依然只在指针位于行或卡片上时存在。行菜单现在能承受触发按钮与列表之间的往返，而因自身原因关闭的菜单也不会被残留的待执行关闭重新关掉。未设置 `closeOnPointerLeave` 的菜单不受影响——只有设置该属性时才会挂上包裹层处理器。
+
+## 测试
+
+`packages/client/ui-primitives/tests/hover-card.spec.tsx` 与 `tests/atoms.spec.tsx` 固定验证宽限期边界、折返取消、不重启停留计时、所有者关闭时解除待执行关闭，以及列表关闭时不启动关闭。可抵达性手势本身——把指针移到卡片上，以及在打开的列表与其触发按钮之间移动——由 `apps/web/tests/workspace-management.e2e.ts` 在真实浏览器中固定验证，因为它们依赖 jsdom 无法建模的命中测试与布局。
diff --git a/.agents/notes/implemented/bug-fix/2026-07-30-tui-adapter-registration-race.i18n.yaml b/.agents/notes/implemented/bug-fix/2026-07-30-tui-adapter-registration-race.i18n.yaml
new file mode 100644
index 0000000000..b3d987b985
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-30-tui-adapter-registration-race.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/bug-fix/2026-07-30-tui-adapter-registration-race.md
+2026-07-30-tui-adapter-registration-race.md: fd08e7b6130bc8f7e3cd5287a9970f5fb47244a8
+2026-07-30-tui-adapter-registration-race.zh.md: 0c6bba4bbc8c3303d9c471c3164faa816438b333
diff --git a/.agents/notes/implemented/bug-fix/2026-07-30-tui-adapter-registration-race.md b/.agents/notes/implemented/bug-fix/2026-07-30-tui-adapter-registration-race.md
new file mode 100644
index 0000000000..fd08e7b613
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-30-tui-adapter-registration-race.md
@@ -0,0 +1,29 @@
+# Agent Note: TUI model-context resolution defers on the adapter-registration race
+
+Status: implemented
+
+English | [中文](2026-07-30-tui-adapter-registration-race.zh.md)
+
+## Problem
+
+Cordis activates plugins by service availability, not configuration order, so the TUI (whose `inject` requires only the `llm` service) can mount before a configured adapter plugin such as `dsh-llm-pi-ai` finishes registering its provider routes. The TUI's model controller resolves the selected model's context window immediately on mount; when the agent's route pointed at a not-yet-registered provider, `resolveModelInfo` rejected with `NO_ADAPTER` and every fresh session printed `Could not resolve model context: no adapter registered for provider "…"` — a spurious error for a fully working configuration (the adapter registered milliseconds later, and chatting worked).
+
+## Decision
+
+The TUI model controller treats a `NO_ADAPTER` rejection of its context-window resolution as a transient state rather than an error: it parks the resolution silently and re-resolves on the next `llm/adapters-updated` commit — the payload-free registry notification `LlmService` already fires at every route commit point. A commit that still lacks the route parks the wait again, so unrelated topology changes stay silent. Any target change re-enters the resolution and clears the pending wait, so the deferred state can never go stale against the current selection; every other resolution error still prints the notice.
+
+## Alternatives considered
+
+**Have the TUI wait for boot to settle before resolving.** The TUI has no Loader dependency (tests and embedders run without one) and "settled" is not observable from inside a plugin; adding a Loader coupling for one cosmetic resolution inverts the dependency direction.
+
+**Poll or retry with a timer.** A timer guesses at activation latency, still mis-prints on a slow adapter, and adds a tunable with no owner. The registry already announces every commit through `llm/adapters-updated`; subscribing is precise and free.
+
+**Order the config so adapters load first.** Row order carries no load semantics in the Loader (activation is service-driven by design), so this cannot be expressed in configuration.
+
+**Suppress NO_ADAPTER errors entirely.** A permanently missing adapter (typo in the provider name) would then never surface in the context-window path. Deferring keeps the signal: a wrong provider name still shows `model unset`-like behavior in the selector and fails loudly at dispatch, while the startup race resolves itself.
+
+**Resolve the context window per submitted message instead of at mount.** The send path already resolves per step (`prepareCall()`), and the indicator is displayed continuously, not only when sending; per-submit display resolution would leave the indicator blank until the first message and re-run adapter I/O for a value that only changes on route changes.
+
+## Consequences
+
+A genuinely misconfigured provider no longer prints the context-resolution error at startup — it surfaces at first dispatch instead, which is where the failure is actionable. The controller subscribes to every `llm/adapters-updated` commit but acts only while a wait is parked; the listener's disposer is released by the channel's `detachListeners()` through the controller's `detach()`, symmetric with the sibling channel listeners. Covered by three TUI tests: the deferred resolution stays silent through an unrelated commit and completes when the route's commit arrives, a target change drops the stale wait, and after channel detach a registry commit no longer re-enters resolution.
diff --git a/.agents/notes/implemented/bug-fix/2026-07-30-tui-adapter-registration-race.zh.md b/.agents/notes/implemented/bug-fix/2026-07-30-tui-adapter-registration-race.zh.md
new file mode 100644
index 0000000000..0c6bba4bbc
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-30-tui-adapter-registration-race.zh.md
@@ -0,0 +1,29 @@
+# Agent Note: TUI 模型上下文解析在适配器注册竞争时延后重试
+
+Status: implemented
+
+[English](2026-07-30-tui-adapter-registration-race.md) | 中文
+
+## Problem
+
+Cordis 按服务可用性而非配置顺序激活插件，因此 TUI（其 `inject` 只要求 `llm` 服务）可能在 `dsh-llm-pi-ai` 这类已配置的适配器插件完成提供方路由注册之前就挂载。TUI 的模型控制器在挂载时立即解析所选模型的上下文窗口；当 agent 的路由指向尚未注册的提供方时，`resolveModelInfo` 以 `NO_ADAPTER` 拒绝，于是每个新会话都会打印 `Could not resolve model context: no adapter registered for provider "…"` —— 对一份完全正常的配置报出的虚假错误（适配器几毫秒后就完成注册，对话也一切正常）。
+
+## Decision
+
+TUI 模型控制器把上下文窗口解析中的 `NO_ADAPTER` 拒绝视为瞬态状态而非错误：静默搁置这次解析，并在下一次 `llm/adapters-updated` 提交时重新解析——这是 `LlmService` 本就在每个路由提交点发出的无载荷注册表通知。若某次提交仍缺少该路由，等待会被再次搁置，因此无关的拓扑变化保持沉默。任何目标变更都会重新进入解析并清除挂起的等待，因此延后状态绝不会相对当前选择变陈旧；其他所有解析错误仍照常打印通知。
+
+## Alternatives considered
+
+**让 TUI 等启动结算后再解析。** TUI 不依赖 Loader（测试和嵌入方在没有 Loader 的环境下运行），而且"已结算"在插件内部不可观测；为一次外观性的解析引入 Loader 耦合会颠倒依赖方向。
+
+**用定时器轮询或重试。** 定时器只能猜测激活延迟，遇到慢适配器仍会误报，还会引入一个没有归属者的可调参数。注册表本就通过 `llm/adapters-updated` 公告每次提交；订阅它既精确又零成本。
+
+**调整配置顺序让适配器先加载。** Loader 中行顺序不承载加载语义（激活按设计由服务驱动），因此这无法用配置表达。
+
+**彻底压制 NO_ADAPTER 错误。** 那样的话，永久缺失的适配器（提供方名字拼错）在上下文窗口路径上就永远不会暴露。延后重试保留了信号：错误的提供方名字仍会在选择器中表现出类似 `model unset` 的行为，并在分派时大声失败，而启动竞争则自行化解。
+
+**改为在每次提交消息时解析上下文窗口，而不是在挂载时。** 发送路径本就按步解析（`prepareCall()`），且指示器是持续显示的，不只在发送时；按提交解析显示值会让指示器在首条消息之前一直空白，并为一个仅在路由变化时才变的值反复执行适配器 I/O。
+
+## Consequences
+
+真正配置错误的提供方不再在启动时打印上下文解析错误——它改在首次分派时暴露，那才是该失败可以被处理的地方。控制器订阅每次 `llm/adapters-updated` 提交，但只在有等待被搁置时才动作；监听器的 disposer 经由控制器的 `detach()` 在频道的 `detachListeners()` 中释放，与同级频道监听器保持对称。由三个 TUI 测试覆盖：延后的解析在无关提交中保持沉默、在该路由的提交到来时完成；目标变更丢弃陈旧等待；频道 detach 之后注册表提交不再重新进入解析。
diff --git a/.agents/notes/implemented/bug-fix/2026-07-30-web-transcript-log-ordered-projection.i18n.yaml b/.agents/notes/implemented/bug-fix/2026-07-30-web-transcript-log-ordered-projection.i18n.yaml
new file mode 100644
index 0000000000..5d12a08e36
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-30-web-transcript-log-ordered-projection.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/bug-fix/2026-07-30-web-transcript-log-ordered-projection.md
+2026-07-30-web-transcript-log-ordered-projection.md: 4bc629bfa619a2858ec0335a6136d3a5a24b025a
+2026-07-30-web-transcript-log-ordered-projection.zh.md: d011ce9453bc1dbb9fdb62372aa1126c95ffb143
diff --git a/.agents/notes/implemented/bug-fix/2026-07-30-web-transcript-log-ordered-projection.md b/.agents/notes/implemented/bug-fix/2026-07-30-web-transcript-log-ordered-projection.md
new file mode 100644
index 0000000000..4bc629bfa6
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-30-web-transcript-log-ordered-projection.md
@@ -0,0 +1,72 @@
+# Agent Note: The browser conversation is a log-ordered human transcript
+
+Status: implemented
+
+English | [中文](2026-07-30-web-transcript-log-ordered-projection.zh.md)
+
+## Problem
+
+The browser client built its conversation from the model-visible surface: `FoldAdapter` ran the core `SurfaceManager` over the history window and read `surface.nodes`. A successful compaction replaces a surface range with one checkpoint node, so the moment that replacement landed the web flow collapsed every message it shadowed into a single dim context row — conversation the user had already read. Nothing was lost from the log; the defect was entirely in the projection, and [the terminal and the host gateway were fixed the same way](2026-07-29-human-transcript-append-origin.md) while the browser was left for this change.
+
+Surface order made two further problems structural. It is not seq-ascending after a replacement — `SurfaceManager` splices the high-seq checkpoint into the position of the range it shadows — so log-only nodes merged into that array by numeric seq (slash-command rows, interrupted frozen nodes) could be flushed ahead of the checkpoint and never interleave into the retained tail again. And because pagination no longer spends `maxMessages` quota on replacement copies, a page can now carry a checkpoint whose `surfaceOp.start` lies outside the window; the core fold rejects that range, so `nodes()` fell back to a lenient linear scan behind a `console.error` and published a `foldDegraded` flag describing the failure.
+
+## Decision
+
+`TranscriptAdapter` replaces `FoldAdapter` and never consults surface order. It projects the raw window in log order: every append-origin surface event (`isAppendSurfaceEvent`) at its own log position, plus one `CompactionSummaryNode` marker per landed compaction checkpoint. A landed compaction therefore keeps the conversation it shadowed on the model side, and the marker reports where the model stopped seeing that history instead of erasing it. Model-only replacement copies stay out of the transcript: a pruned `tool/result` and a regenerated `assistant/message` rewrite one node for the model and mark no boundary in the conversation. Everything that must send exactly what the model sees keeps reading the surface; this is the human projection, and the two are now separate on both frontends.
+
+Node order is seq-monotonic by construction, and three things follow. The log-only `command/run` / `command/done` pair folds into `CommandNode`s that splice into an already-monotonic array by seq — no anchors, no reordering. `Session` keeps ownership of interrupted frozen nodes and merges them by their fractional seqs with a plain sort, which is now exactly flow order. And a window whose checkpoint cites a shadowed range outside it has no range to resolve, so the marker renders and nothing is logged.
+
+`foldDegraded` is gone from `ConversationSnapshot`, and with it the padding sentinels, the `baseSeq` arithmetic they needed, and `degradedSeqs()`. They existed only to satisfy the core fold's `seq === index` assertion and to survive its throw; the fold they describe is no longer run. Deleting the flag is part of the fix, not cleanup after it — `degradedSeqs()` was already almost the log-ordered projection, reached after a thrown error instead of intended.
+
+The marker's summary text comes from the checkpoint's own `compact/summary` provenance, never from the framed checkpoint payload, which is an instruction envelope written for the model. A window cut that left the provenance outside makes the row non-expandable rather than empty, the same soft-fall as a call-less tool result, and a later page supplying the provenance resolves the text.
+
+No persisted event, RPC envelope, compaction transaction, or model-visible surface changed, and no migration is required.
+
+## Recognizing a checkpoint: one declaration, pinned at compile time
+
+Recognition needs all three conditions, as in the terminal: `event.type === 'user/message'`, the compaction seam's checkpoint plugin source, **and** `isReplacementSurfaceEvent(event)`. A plugin-sourced `user/message` that *appends* is injected context — a session-reference card — not a compaction.
+
+What is unreachable from a `packages/client/*` program is `dsh-compact`'s **root**, not the package. The root reaches `dsh-session`'s root, whose cordis `Context` merge declares the host `sessions: SessionStore` against the client's `sessions: ISessions` — `TS2717`, the one-program-per-side rule in [development.md](../../../../docs/development.md#typescript-project-layout) — and that holds for a type-only import too, because the collision is a compiler fact rather than a bundler one.
+
+The repo's answer to exactly this is a cordis-free leaf subpath, and this change adds one: `COMPACT_CHECKPOINT_SOURCE` and `isCompactCheckpointSource` now live in `packages/compact/compact/src/checkpoint.ts`, which imports no cordis and augments no module (the `dsh-commands/brand` / `dsh-llm/message` shape), and the root re-exports both so every host-side consumer — the terminal's chat helpers, `dsh-session-reference`'s projection — is unchanged. The adapter pins its literal to that declaration with a type-only import:
+
+```ts
+import type { COMPACT_CHECKPOINT_SOURCE } from '@deepseek-ai/dsh-compact/checkpoint'
+const COMPACT_PLUGIN: typeof COMPACT_CHECKPOINT_SOURCE.plugin = 'compact'
+```
+
+Renaming the seam's plugin id is now a compile error in the client: `TS2322: Type '"compact"' is not assignable to type '"compaction"'`. The import must stay **type-only** — a value import of any `@deepseek-ai` package that is neither a platform module nor an inline-safe wire layer is rejected by the client purity gate (`packages/client/tsdown.client.ts`), whose own message records that type-only imports are erased and never reach it. A type-only leaf import needs both a `tsconfig.base.json` `paths` entry and `{"path": "../../compact/compact"}` in `packages/client/runtime/tsconfig.json` `references`: composite `rootDir` rules apply to erased imports as well, and without the reference the diagnostic is `TS6059`/`TS6307`.
+
+`packages/client/runtime/tests/compact-checkpoint-pin.spec.ts` stays as the behavioral half, driving the adapter with a checkpoint built from the canonical **value**. The test value-imports the cordis-free `@deepseek-ai/dsh-compact/checkpoint` leaf and deliberately never loads the compact package root or the host-side `Context` merges reachable through it.
+
+The divergence from the terminal is therefore narrow: both frontends recognize a checkpoint from the same declaration — the terminal value-imports `isCompactCheckpointSource` host-side, where no gate applies, and the client pins the type.
+
+## What #835's positional anchors were for, and why they are dissolved rather than lost
+
+The unmerged manual-compaction-queueing branch fixes the same interleaving bug by recording a per-event anchor — the surface tail at append time — and retargeting shadowed anchors onto the checkpoint. That mechanism exists to make positional anchors survive surface **reordering**. The human transcript is never re-ordered, so anchors have nothing to retarget: the precondition is removed, not the fix discarded. The mechanism is absent from this base and is not authored here.
+
+## Alternatives considered
+
+**Value-import the predicate** from the new leaf and add `dsh-compact` to the client `INLINE_SAFE` allowlist. Rejected: the client needs the plugin id, not the predicate — a type is enough, and an erased import never reaches the purity gate, so nothing has to be admitted to it. The allowlist would only matter for a value import, and there it is a poor trade: `INLINE_SAFE` matches on specifier *prefix*, so admitting the package admits its cordis-importing root along with the leaf.
+
+**A bare shape rule** — any replacement `user/message` is a compaction. Rejected: correct today only because compaction is the sole producer of replacement `user/message`s, with nothing to catch it if that changes. The pinning spec costs one file and removes exactly that risk.
+
+**Tag the checkpoint host-side** through the projection or wire contract. Rejected: most aligned with the "collaborate through cordis services" rule, but the client folds raw `SessionEvent`s today, so it means a wire contract change out of proportion to one pure predicate.
+
+**Move frozen-node ownership into the adapter** (`nodes(extraNodes)`), as the unmerged branch does. Rejected: the interrupted nodes come from the `turn/end` sweep `Session` already runs over the window, and with a seq-monotonic transcript the simple shape is correct — the adapter returns nodes, the session merges frozen ones by seq. Widening the adapter's signature would buy nothing and split the sweep from its product.
+
+**Keep `foldDegraded` as a defensive flag.** Rejected: it described a specific failure of a fold that no longer runs. A flag no consumer can act on, reachable only through a `console.error`, is a false contract.
+
+## Consequences
+
+Compaction no longer erases web history; a session compacted several times shows one marker per landed compaction, in log order, and the same window renders identically live and after a cold resume. The pagination hole is closed by construction rather than defended against, and `ConversationSnapshot` loses a published field, which touched thirteen files.
+
+`ConversationNode` gains an eighth arm, so every exhaustive consumer grew one case: `MessageItem` renders the marker through the new `CompactionItem`, and the trajectory layout widens its no-cell arm so a marker contributes no cell but still advances the duration cursor.
+
+The performance contract is unchanged and now simpler to state: one append materializes one node, an event that changes no node keeps the previous array reference — so a chunk storm costs nothing and `nodes()` is not even recomputed — and unchanged nodes keep their object identity. The window still grows with session length rather than with the surface, which is the trade the fix exists to make; a compaction used to bound the projection for exactly the long sessions compaction serves.
+
+The web e2e scenario now seeds a real compaction transaction over its recorded turn, so the aria golden pins both halves of the fix through the real host and a real browser: the recorded prompt and full tool output are still on screen, and one marker sits after them. The seed recording itself is untouched and stays model-authentic — replay derives the compacted turn from the recording's own surface.
+
+## Deferred
+
+The terminal's [compaction progress decision](../feature/2026-07-30-compaction-progress-visibility.md) uses the live standalone bracket to drive a one-cell indicator and does not change this browser projection. The marker still carries no **scale**: the checkpoint's `sourceEventSeqs` hold the shadowed count, so a separately justified count or range can be added without coupling it to progress.
diff --git a/.agents/notes/implemented/bug-fix/2026-07-30-web-transcript-log-ordered-projection.zh.md b/.agents/notes/implemented/bug-fix/2026-07-30-web-transcript-log-ordered-projection.zh.md
new file mode 100644
index 0000000000..d011ce9453
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-30-web-transcript-log-ordered-projection.zh.md
@@ -0,0 +1,72 @@
+# Agent Note: 浏览器会话是按日志顺序投影的人类对话记录
+
+Status: implemented
+
+[English](2026-07-30-web-transcript-log-ordered-projection.md) | 中文
+
+## Problem
+
+浏览器客户端从模型可见的 surface 构建会话：`FoldAdapter` 在历史窗口上运行核心 `SurfaceManager` 并读取 `surface.nodes`。一次成功的压缩会用一个检查点节点替换一段 surface 范围，因此该替换一落地，Web 流就把它所遮蔽的每条消息折叠成一行灰暗的上下文——那是用户已经读过的对话。日志中什么都没丢失；缺陷完全在投影层，而[终端与宿主历史网关已按同一方式修复](2026-07-29-human-transcript-append-origin.md)，浏览器留给了本次变更。
+
+surface 顺序还让另外两个问题成为结构性的。一次替换之后它并非按 seq 升序——`SurfaceManager` 把高 seq 的检查点拼接到它所遮蔽范围的位置上——因此按数值 seq 归并进该数组的仅日志节点（斜杠命令行、被打断的冻结节点）可能被冲刷到检查点之前，再也无法交错回保留下来的尾部。而且由于分页不再为 replacement 副本消耗 `maxMessages` 额度，一页现在可以携带一个 `surfaceOp.start` 落在窗口之外的检查点；核心 fold 拒绝该范围，于是 `nodes()` 退回到一次宽容的线性扫描、打印一条 `console.error`，并发布一个描述该失败的 `foldDegraded` 标志。
+
+## Decision
+
+`TranscriptAdapter` 取代 `FoldAdapter`，并且从不查询 surface 顺序。它按日志顺序投影原始窗口：每个 append 来源的 surface 事件（`isAppendSurfaceEvent`）落在它自己的日志位置上，外加每次落地的压缩检查点一个 `CompactionSummaryNode` 标记。于是一次落地的压缩会保留它在模型侧遮蔽掉的对话，标记报告模型从哪里开始看不见那段历史，而不是把它抹掉。仅模型可见的 replacement 副本不进入记录：被裁剪的 `tool/result` 和重新生成的 `assistant/message` 只为模型重写一个节点，不在对话中标记任何边界。凡必须发送模型所见内容的一切仍读 surface；这是人类投影，两者现在在两个前端上都已分离。
+
+节点顺序天然按 seq 单调，由此有三个结果。仅日志的 `command/run` / `command/done` 对折叠成 `CommandNode`，按 seq 插入一个本已单调的数组——无锚点，无重排。`Session` 保留被打断的冻结节点的归属，用一次普通排序按其分数 seq 归并，而这现在恰好就是流顺序。检查点所引被遮蔽范围落在窗口之外的窗口没有范围需要解析，因此标记正常渲染且不打印任何日志。
+
+`foldDegraded` 从 `ConversationSnapshot` 消失，随之消失的是哨兵填充、它们所需的 `baseSeq` 算术，以及 `degradedSeqs()`。它们的存在只为满足核心 fold 的 `seq === index` 断言并在其抛错时存活；它们所描述的 fold 已不再运行。删除该标志是修复的一部分，而非修复之后的清理——`degradedSeqs()` 本身已几乎就是按日志顺序的投影，只是作为抛错后的落点而非本意到达。
+
+标记的摘要文本来自检查点自己的 `compact/summary` 溯源，绝不取自成框的检查点载荷——那是为模型撰写的指令信封。窗口切分把溯源留在窗口外时该行不可展开而非空白，与无调用的工具结果同一种软退让；后续补上溯源的分页会解析出文本。
+
+没有任何持久化事件、RPC 信封、压缩事务或模型可见 surface 发生变化，也不需要迁移。
+
+## 识别检查点：同一份声明，在编译期钉住
+
+识别需要三个条件同时成立，与终端一致：`event.type === 'user/message'`、压缩缝隙的检查点插件来源，**以及** `isReplacementSurfaceEvent(event)`。一条 append 的插件来源 `user/message` 是注入上下文——跨会话引用卡片——不是压缩。
+
+从 `packages/client/*` 程序无法到达的是 `dsh-compact` 的**根部**，而不是这个包。根部会到达 `dsh-session` 的根部，后者的 cordis `Context` 合并声明了宿主侧 `sessions: SessionStore`，与客户端的 `sessions: ISessions` 冲突——`TS2717`，即 [development.md](../../../../docs/development.md#typescript-project-layout) 中每侧一个 program 的规则；这一点对仅类型导入同样成立，因为该冲突是编译器事实而非打包器事实。
+
+本仓库对这一情形的既有答案是不含 cordis 的叶子子路径，本次变更就新增了一个：`COMPACT_CHECKPOINT_SOURCE` 与 `isCompactCheckpointSource` 现在住在 `packages/compact/compact/src/checkpoint.ts`，它不导入 cordis、也不增强任何模块（即 `dsh-commands/brand` / `dsh-llm/message` 的形状），而包根重新导出两者，因此每个宿主侧消费方——终端的 chat helper、`dsh-session-reference` 的投影——都不需改动。适配器用仅类型导入把它的字面量钉在该声明上：
+
+```ts
+import type { COMPACT_CHECKPOINT_SOURCE } from '@deepseek-ai/dsh-compact/checkpoint'
+const COMPACT_PLUGIN: typeof COMPACT_CHECKPOINT_SOURCE.plugin = 'compact'
+```
+
+重命名缝隙的插件 id 现在会在客户端产生编译错误：`TS2322: Type '"compact"' is not assignable to type '"compaction"'`。该导入必须保持**仅类型**——任何既非平台模块又非 inline-safe wire 层的 `@deepseek-ai` 包值导入都会被客户端纯度门禁（`packages/client/tsdown.client.ts`）拒绝，而它自己的报错信息就记录着仅类型导入会被擦除、永不抵达该门禁。仅类型的叶子导入同时需要 `tsconfig.base.json` 的一条 `paths` 条目和 `packages/client/runtime/tsconfig.json` `references` 中的 `{"path": "../../compact/compact"}`：composite 的 `rootDir` 规则同样适用于被擦除的导入，缺少该引用时的诊断是 `TS6059`/`TS6307`。
+
+`packages/client/runtime/tests/compact-checkpoint-pin.spec.ts` 作为行为侧的另一半保留，用由权威**值**构造的检查点驱动适配器。该测试以值导入方式从不含 cordis 的 `@deepseek-ai/dsh-compact/checkpoint` 叶子路径取得该值，并刻意不加载 compact 包根或经由它可达的宿主侧 `Context` 合并。
+
+因此与终端的分歧很窄：两个前端都从同一份声明识别检查点——终端在宿主侧值导入 `isCompactCheckpointSource`（那里不适用任何门禁），客户端钉住类型。
+
+## #835 的位置锚点是为什么而存在，以及为什么它是被溶解而非丢失
+
+尚未合并的排队式手动压缩分支用另一种方式修同一个交错缺陷：为每个事件记录一个锚点——追加时的 surface 尾部——并把被遮蔽的锚点重定向到检查点上。该机制的存在是为了让位置锚点在 surface **重排**中存活。人类对话记录永不被重排，因此锚点没有任何东西需要重定向：前提被移除，修复并未被丢弃。该机制在本基线上并不存在，本次也不撰写它。
+
+## Alternatives considered
+
+**从新叶子值导入该谓词**，并把 `dsh-compact` 加入客户端 `INLINE_SAFE` 白名单。已拒绝：客户端需要的是插件 id，不是谓词——一个类型就够了，而被擦除的导入根本不会抵达纯度门禁，因此无需向它放行任何东西。白名单只在值导入时才有意义，而在那里它是笔糟糕的交换：`INLINE_SAFE` 按标识符*前缀*匹配，因此放行该包会连它那个会导入 cordis 的根部一起放行。
+
+**一条纯形状规则**——任何 replacement `user/message` 都是压缩。已拒绝：它今天正确只因为压缩是 replacement `user/message` 的唯一生产者，一旦这点改变便无任何机制能捕获。那个 pin 测试只花一个文件，就精确消除了这一风险。
+
+**在宿主侧给检查点打标**，经投影或线协议。已拒绝：这最贴合“经 cordis 服务协作”的规则，但客户端今天折叠的是原始 `SessionEvent`，因此这意味着一次线协议契约变更——为一个纯谓词付出的代价不成比例。
+
+**把冻结节点的归属移进适配器**（`nodes(extraNodes)`），像那个未合并分支所做的那样。已拒绝：被打断的节点来自 `Session` 已经在窗口上运行的 `turn/end` 清扫，而在按 seq 单调的记录之上，简单形态就是正确的——适配器返回节点，会话按 seq 归并冻结节点。加宽适配器签名什么也换不到，还会把清扫与它的产物拆开。
+
+**把 `foldDegraded` 留作一个防御性标志。** 已拒绝：它描述的是一个已不再运行的 fold 的特定失败。一个消费方无法据以行动、只能通过 `console.error` 到达的标志，是一份虚假契约。
+
+## Consequences
+
+压缩不再抹掉 Web 历史；一个被压缩多次的会话按日志顺序显示每次落地压缩一个标记，而同一窗口在实时与冷恢复之后渲染完全相同。分页缺口是被构造性闭合而非被防御，`ConversationSnapshot` 少了一个已发布字段，这触及十三个文件。
+
+`ConversationNode` 增加第八个分支，因此每个穷尽消费方都多一个分支：`MessageItem` 通过新的 `CompactionItem` 渲染标记，trajectory 布局加宽它的“无单元格”分支，使标记不贡献单元格但仍推进耗时游标。
+
+性能契约未变，且现在更易表述：一次追加物化一个节点，不改变任何节点的事件保持上一次的数组引用——因此分片风暴零成本、`nodes()` 甚至不会重算——未变化的节点保持其对象标识。窗口仍随会话长度而非随 surface 增长，这正是本修复存在所要做的交换；一次压缩过去恰好为压缩所服务的长会话限制了投影规模。
+
+Web e2e 场景现在在它录制的那一轮之上播种一次真实的压缩事务，因此 aria 基准经真实宿主与真实浏览器钉住修复的两半：录制的提问与完整工具输出仍在屏幕上，其后坐着一个标记。录制本身未被触碰、保持模型真实——回放从录制自身的 surface 派生出被压缩的那一轮。
+
+## Deferred
+
+终端的[压缩进度决策](../feature/2026-07-30-compaction-progress-visibility.md)使用实时独立标记对驱动单格指示器，并不改变此浏览器投影。标记仍不携带**规模**信息：检查点的 `sourceEventSeqs` 保存被遮蔽的数量，因此可以另行论证后添加计数或区间，而无须将其与进度耦合。
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-composer-glyph-layer-tracks-the-textarea.i18n.yaml b/.agents/notes/implemented/bug-fix/2026-07-31-composer-glyph-layer-tracks-the-textarea.i18n.yaml
new file mode 100644
index 0000000000..c95b2a60b7
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-composer-glyph-layer-tracks-the-textarea.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/bug-fix/2026-07-31-composer-glyph-layer-tracks-the-textarea.md
+2026-07-31-composer-glyph-layer-tracks-the-textarea.md: d60a100be98683b5f7a7c88edf7585d275134730
+2026-07-31-composer-glyph-layer-tracks-the-textarea.zh.md: eab3f9e3fe3bddb426836113d08f1839329119d5
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-composer-glyph-layer-tracks-the-textarea.md b/.agents/notes/implemented/bug-fix/2026-07-31-composer-glyph-layer-tracks-the-textarea.md
new file mode 100644
index 0000000000..d60a100be9
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-composer-glyph-layer-tracks-the-textarea.md
@@ -0,0 +1,77 @@
+# Agent Note: The composer's glyph layer tracks the textarea's scroll offset
+
+Status: implemented
+
+English | [中文](2026-07-31-composer-glyph-layer-tracks-the-textarea.zh.md)
+
+## Problem
+
+A composer draft longer than the 14-line cap could not be scrolled. The caret moved and the selection moved, but the words stayed frozen at line 1 — no wheel gesture, drag, or arrow key brought the end of a long draft on screen, so the bottom of anything past ~14 lines was unreachable and unreadable while writing it.
+
+The cap itself was working. The composer paints its text in two stacked layers ([InputBar](../../../../packages/client/ui-conversation/src/client/skeleton/InputBar.tsx)): the `<textarea>` owns the value, the selection, and the caret but renders its own glyphs `color: transparent`, and every visible character is painted by the `[data-input-backdrop]` div beneath it, which also carries the claim-token highlight, the chips, and the ghost hint. That split is what makes chips and highlights possible at all — a textarea cannot style a range of its own text.
+
+The two layers were coupled in geometry but not in scroll. The backdrop is `position: absolute; inset: 0; overflow: hidden`: it is clipped, not scrolled, and nothing in the browser links its offset to the textarea's. Below the cap that is invisible, because both layers rest at offset 0 and the mirror div sizes the box to the draft. At the cap the textarea starts scrolling and the backdrop does not follow, so the layer the user actually reads never moves.
+
+The defect is therefore exactly as old as the cap, and it hid behind the resting state: a short draft, the state every screenshot and every existing fixture captured, renders identically with and without the coupling.
+
+## Decision
+
+`InputBar` mirrors the textarea's `scrollTop` onto the backdrop from one `scroll` listener, registered beside the existing wheel-chaining listener in the same effect (the textarea is never unmounted — the inert state renders the same element disabled).
+
+One listener is the whole coupling, because every way the box moves ends in a `scroll` event on the textarea. A gesture scrolls it; an edit scrolls the caret into view; a draft that shrinks past the current offset clamps it. The clamp case is the one that looks like it needs separate handling and does not: the two layers share an extent, so they clamp to the same maximum, and the textarea's clamp fires the `scroll` that mirrors it.
+
+That shared extent is not free, and mirroring an offset is only correct while it holds. Two things break it, both discovered in review, both failing in the same direction — a backdrop shorter than the textarea, so the assignment clamps and the glyphs sit below the caret. A textarea reserves a line box for the caret after a final newline; `white-space: pre-wrap` collapses a text node's trailing newline and generates none. A draft ending in a newline therefore made the backdrop exactly one line shorter than the textarea — measured 628 against 652 — so the assignment clamped and the glyphs sat a line behind the caret at the very bottom. The backdrop now carries the same trailing-line sentinel the mirror div already did: its content is the decoration walk plus one `'\n'`, which the same collapse absorbs when the draft does not end in a newline and which supplies the missing line box when it does. Measured across plain, trailing-newline, soft-wrapping, unbreakable-run, and interior-blank-line drafts, the two extents now agree in every case.
+
+The second premise is wrap width, and it is asserted rather than fixed. Only `.input` scrolls, so only `.input` can lose content width to a scrollbar that consumes layout space, and a narrower `.input` wraps a long draft onto more lines — worth 2 to 5 lines for an 8px difference, measured on a standalone harness, while at equal widths a textarea and a div agree exactly. Measured on the running app across the three engines Playwright ships, the widths agree on two and not on the third:
+
+| engine | `.input` / `.backdrop` / `.mirror` wrap width | extents |
+|---|---|---|
+| chromium | 776 / 776 / 776 | equal |
+| firefox | 776 / 776 / 776 | equal |
+| WebKit | **768** / 776 / 776 | equal for the drafts measured |
+
+WebKit's textarea loses 8px to its scrollbar while the clipped layers keep theirs. That gap predates this change and is not closed here; the mirror is unaffected on the drafts measured because the extents still agree, but a draft whose wrapping is sensitive at exactly that width would make `.input` taller and clamp the mirrored offset. The scenario asserts the equality on the lane's engine, so a regression into that state fails loudly rather than silently.
+
+`scrollbar-gutter: stable` on the shared metrics block was tried and removed. WebKit applies it to `overflow-y: auto` but not to `overflow: hidden`, so it left `.input` at 768 against 776 — exactly the gap it was meant to close — while costing chromium 8px of text width unconditionally. Closing this needs one geometry every engine agrees on, not that property.
+
+The mirror is one-directional: the textarea is the authority because it owns the caret, and the caret is what the browser scrolls to.
+
+## Alternatives considered
+
+**Give the backdrop `overflow: auto` and let it scroll itself.** It would then have a scroll offset of its own to keep in step, which is the same problem plus a second scrollbar painted over the input. The backdrop is a projection of the textarea, not an independently navigable surface.
+
+**Drop the backdrop and style the textarea's own text.** This removes the layer split and the whole class of desync with it. Rejected because it is not implementable: a textarea renders one uniform text run, so the claim-token highlight, the chips, and the ghost hint — the reasons the backdrop exists — have no way to be expressed. Losing them to fix scrolling trades a bounded defect for a feature deletion.
+
+**Render the draft in a `contenteditable` div instead of a textarea.** One element, one scroll offset, styleable ranges. Rejected as far out of proportion to the defect: `contenteditable` would put IME composition, undo/redo, selection semantics, and paste normalization back on us, all of which the textarea plus the input machine currently handle, and the machine already owns an undo log that assumes a textarea's value semantics.
+
+**Scroll the backdrop from the existing wheel handler instead of a `scroll` listener.** The handler already runs on every wheel over the textarea, so it looks like the natural place. Rejected because it covers only one of the ways the box scrolls: typing at the end, `End`, arrow keys, drag-selection past the edge, and scrollbar drags all move the textarea without a wheel event. Listening to `scroll` is listening to the thing itself rather than to one of its causes.
+
+**Reserve the scrollbar gutter on all three layers with `scrollbar-gutter: stable`.** Adopted, then reverted on measurement. The reasoning was that whatever a platform's scrollbar costs, three layers reserving it stay equal — and `overflow: hidden` is a scroll container, so the spec says the clipped layers honour it. Chromium agrees (8px reserved on each, widths 768/768/768). WebKit does not: it reserves for `overflow-y: auto` and not for `overflow: hidden`, leaving 768 against 776 — the same gap, unclosed — so the property bought nothing on the one engine where the divergence is observable while costing every chromium user 8px of text column. Reverted in favour of asserting the premise and recording the WebKit gap.
+
+**Suppress the textarea's scrollbar instead of reserving a gutter on the other layers.** `scrollbar-width: none` on `.input` would equalize the widths without narrowing the text column. Rejected because the composer deliberately shows a thumb once the draft passes the cap — `.card` binds the l2 scrollbar tokens for exactly that — and removing it takes away the only affordance that says a long draft continues below.
+
+**Translate the backdrop with `transform: translateY(-scrollTop)` instead of scrolling it.** A transform is not clamped by content height, so it would paper over any extent divergence — including the trailing-newline one — without matching the layers. Rejected because the divergence is the actual defect: unequal extents also mean the two layers disagree about where the last line sits, and hiding that behind an unclamped transform would leave a mismatch that resurfaces the moment anything measures the backdrop. Fixing the extent keeps one truth about the draft's height.
+
+**Add a second mirror in a layout effect keyed on the committed draft.** This shipped in the first version of the change, on the theory that an edit reflows both layers without necessarily moving the textarea, and that a shrinking draft clamps each layer independently. Both premises are false, and it was removed after mutation-testing each hook alone against the built client: with only the layout effect disabled the browser scenario stays green, while disabling only the `scroll` listener fails it. Typing scrolls the caret into view, which is an ordinary `scroll`; a shrinking draft clamps both layers to the same maximum because their extents are equal, and the textarea's clamp fires `scroll` too. The specific hazard the effect was imagined to cover — React replacing the backdrop's children when the decoration set changes shape, resetting its offset — does not occur: measured in chromium, replacing every child of an `overflow: hidden` box preserves `scrollTop` (300 stays 300), and the only replacement that zeroes it is one that shrinks the content below the offset, which is the clamp case already covered.
+
+**Sync in the `onChange` handler.** Rejected for the same reason plus one of its own: it fires before React commits the new draft to the backdrop, so it would mirror against the previous layout.
+
+## Consequences
+
+- A draft past the cap scrolls its glyphs. Measured in the browser scenario: after a wheel gesture over a 40-line draft the last line sits inside the visible box and the first has scrolled out above it; before, the last line stayed a full draft-height below the box while the textarea's own offset had moved.
+- The coupling is one-directional and cheap — one assignment of one number, no measurement, no layout read beyond `scrollTop` — so it adds nothing to the typing path's cost.
+- Chips, claim-token highlights, and text-ref marks stay aligned with their glyphs while scrolled, because they are positioned inside the backdrop and move with it. Nothing about the decoration walk changes.
+- The composer's two-layer design keeps this hazard: any future layer added beside the backdrop needs the same mirroring, and any change to how a layer reserves its last line box breaks the extent equality the mirror depends on. The e2e scenario asserts both — the relation the user cares about (which line is on screen) and the extent equality underneath it — so a future divergence fails on the invariant rather than on a screenshot.
+- Extent equality is asserted, not assumed. It is the premise that turns "mirror the offset" from correct into subtly wrong, and it failed for the trailing-newline shape before the sentinel.
+- Wrap-width equality is the other premise, and it does NOT hold universally: WebKit lays `.input` out 8px narrower than the glyph layers. That predates this change and is left open, with the measurement recorded above and an assertion on the lane's engine. A draft whose wrapping turns on those 8px would clamp the mirror on WebKit.
+- The composer's layout is unchanged. An earlier revision narrowed the text column by 8px on every platform to chase the wrap-width premise; measurement showed it did not buy the guarantee, so the metrics are the same as before this change.
+
+## Testing
+
+The unit spec in [input-bar.spec.tsx](../../../../packages/client/ui-conversation/tests/input-bar.spec.tsx) proves the mirroring path runs: it stubs both offsets, because jsdom reports `scrollHeight === clientHeight` for every element and never scrolls one, and asserts the backdrop follows the textarea to a new offset and back to the top. Reverting the `ref` makes it fail.
+
+The user-visible fact needs a real engine, so [composer-draft-scroll.e2e.ts](../../../../apps/web/tests/composer-draft-scroll.e2e.ts) measures it in chromium against the built client: a 40-line draft in a fresh workspace's blank composer, zero model calls, with a DOM Range over the backdrop's own text reporting where the first and last lines sit relative to the visible box. A vacuity guard asserts the draft actually overflows the capped box first. A separate case drives the trailing-newline shape and asserts the two extents are equal before asserting the glyphs reach the end; each layer's maximum is observed by asking for an impossible offset and reading back the clamp, not computed from `scrollHeight`. A third asserts the gutter premise: equal wrap widths, and a reserved band greater than zero on each layer. The band is what keeps that assertion from being vacuous — the widths would also match with no reservation at all on this engine's overlay scrollbar, and it is the reservation, not the match, that carries the guarantee to a platform whose scrollbar takes real width.
+
+Confirmed both directions against the built client. With the mirroring reverted and the packages rebuilt, the wheel case fails on the layer offsets, the typing case fails with it, and the golden diff reads `last draft line is on screen: false` while `textarea moved: true` — the reported symptom stated as a fixture. The resting-state case passes in both builds, which is the point: it is the state that hid the defect.
+
+Note that the composer ships inside a client-module bundle, so `pnpm run build:web` alone does not pick up a change to `InputBar.tsx` — the package build must run for the browser lane to see it, and a scenario run against a stale `lib/` asserts against an older client than the tree.
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-composer-glyph-layer-tracks-the-textarea.zh.md b/.agents/notes/implemented/bug-fix/2026-07-31-composer-glyph-layer-tracks-the-textarea.zh.md
new file mode 100644
index 0000000000..eab3f9e3fe
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-composer-glyph-layer-tracks-the-textarea.zh.md
@@ -0,0 +1,77 @@
+# Agent Note: composer 的字形层跟随 textarea 的滚动偏移
+
+Status: implemented
+
+[English](2026-07-31-composer-glyph-layer-tracks-the-textarea.md) | 中文
+
+## 问题
+
+草稿一旦超过 14 行的高度上限，就无法再滚动。光标会动，选区会动，但文字始终冻结在第 1 行——无论滚轮、拖拽还是方向键，都无法把长草稿的末尾带到可见范围内，因此约 14 行之后的内容在书写过程中既够不着也读不到。
+
+高度上限本身是正常工作的。composer 的文本由两层叠放绘制（见 [InputBar](../../../../packages/client/ui-conversation/src/client/skeleton/InputBar.tsx)）：`<textarea>` 持有取值、选区与光标，但它自己的字形以 `color: transparent` 渲染；用户看到的每一个字符都由其下的 `[data-input-backdrop]` 层绘制，该层同时承载 claim token 高亮、chip 与提示影子文本。这一拆分正是 chip 与高亮得以存在的前提——textarea 无法为自身文本的某个区间单独设置样式。
+
+两层在几何上是耦合的，在滚动上却不是。backdrop 为 `position: absolute; inset: 0; overflow: hidden`：它只做裁剪，不做滚动，浏览器也不会把它的偏移与 textarea 关联起来。未达上限时这一点不可见，因为两层都停在偏移 0，且镜像层会把盒子撑到草稿的高度。一旦触及上限，textarea 开始滚动而 backdrop 不跟随，于是用户真正在读的那一层从不移动。
+
+因此该缺陷与高度上限同龄，并且藏在静止状态背后：短草稿——也就是所有截图与既有 fixture（测试前置数据）所捕获的那个状态——在有无该耦合时渲染完全一致。
+
+## 决策
+
+`InputBar` 通过一个 `scroll` 监听把 textarea 的 `scrollTop` 镜像到 backdrop 上，该监听与既有的滚轮接力监听注册在同一个 effect 中（textarea 从不卸载——失效状态渲染的是同一个元素的 disabled 形态）。
+
+一个监听即构成完整耦合，因为这个盒子移动的每一种方式最终都会在 textarea 上产生 `scroll` 事件：手势使它滚动；编辑会把光标滚入可见范围；草稿缩短到当前偏移之下时它会被钳位。看似需要单独处理、实则不需要的正是钳位这一种：两层共享同一滚动范围，因此它们会钳位到同一个最大值，而 textarea 的钳位本身就会触发那次完成镜像的 `scroll`。
+
+这个「共享的滚动范围」并非白得，而镜像偏移只有在它成立时才是正确的。有两件事会破坏它，都是在审查中被发现的，且失效方向相同——backdrop 比 textarea 矮，于是赋值被钳制、字形落到光标之下。textarea 会在末尾换行之后为光标保留一个行盒，而 `white-space: pre-wrap` 会折叠文本节点的尾随换行、不生成任何行盒。因此以换行结尾的草稿会让 backdrop 恰好比 textarea 少一行——实测为 628 对 652——于是该赋值被钳制，滚到最底部时字形比光标落后一行。现在 backdrop 也带上了镜像层早已具备的同一枚尾行哨兵：其内容为装饰扫描的结果再加一个 `'\n'`；草稿不以换行结尾时它被同一次折叠吸收，以换行结尾时它补上缺失的那个行盒。对纯文本、尾随换行、软折行、不可断长串以及中间空行五类草稿实测，两侧范围在每种情形下均相等。
+
+第二个前提是折行宽度，它是被断言的，而不是被修复的。只有 `.input` 会滚动，因此也只有 `.input` 会把内容宽度让给一条占布局宽度的滚动条；`.input` 一旦更窄，长草稿就会折出更多行——在独立环境实测，8px 的宽度差值 2 到 5 行，而宽度相等时 textarea 与 div 完全一致。在运行中的应用上、对 Playwright 自带的三个引擎实测，两个相等、一个不等：
+
+| 引擎 | `.input` / `.backdrop` / `.mirror` 折行宽度 | 滚动范围 |
+|---|---|---|
+| chromium | 776 / 776 / 776 | 相等 |
+| firefox | 776 / 776 / 776 | 相等 |
+| WebKit | **768** / 776 / 776 | 所测草稿下相等 |
+
+WebKit 的 textarea 把 8px 让给了自己的滚动条，而两个被裁剪的图层没有。该差距先于本次改动存在，本 PR 未予关闭；在所测草稿下滚动范围仍然相等，因此镜像不受影响，但一份恰好在该宽度上折行敏感的草稿会让 `.input` 更高、从而钳制镜像偏移。场景在测试通道所用引擎上断言了这项相等性，因此一旦回退到那种状态会显式失败，而不是悄然发生。
+
+共享度量块上的 `scrollbar-gutter: stable` 曾被采用又被移除：WebKit 对 `overflow-y: auto` 应用它、对 `overflow: hidden` 不应用，于是 `.input` 仍是 768 对 776——正是它本想关闭的那个差距——同时又让 chromium 无条件损失 8px 文本宽度。要关闭它，需要一套所有引擎都认同的几何，而不是这个属性。
+
+该镜像是单向的：textarea 是权威方，因为它持有光标，而浏览器滚动的目标正是光标。
+
+## 曾考虑的替代方案
+
+**给 backdrop 加 `overflow: auto`，让它自行滚动。** 那样它就有了一个属于自己的滚动偏移需要同步，问题原样保留，还额外多出一条画在输入框上的滚动条。backdrop 是 textarea 的投影，而不是一个可独立导航的界面。
+
+**去掉 backdrop，直接为 textarea 自身文本设置样式。** 这会消除分层，连同整类失步问题一并消除。之所以否决，是因为它根本无法实现：textarea 只渲染一段统一的文本流，因此 claim token 高亮、chip 与提示影子文本——backdrop 存在的全部理由——都无从表达。为修滚动而放弃它们，是拿一个有界的缺陷去换一次功能删除。
+
+**改用 `contenteditable` div 承载草稿，不再用 textarea。** 一个元素、一个滚动偏移、区间可设样式。之所以否决，是它与该缺陷的体量严重不相称：`contenteditable` 会把 IME 组词、撤销／重做、选区语义与粘贴规范化重新压回我们身上，而这些目前都由 textarea 加输入状态机处理，且状态机已持有一份以 textarea 取值语义为前提的撤销日志。
+
+**在既有的滚轮处理函数里滚动 backdrop，而不是新增 `scroll` 监听。** 该处理函数本就在 textarea 上的每次滚轮时运行，看似是自然的落点。之所以否决，是它只覆盖了盒子滚动的其中一种成因：在末尾输入、`End`、方向键、拖选越过边缘、拖动滚动条，都会在没有滚轮事件的情况下移动 textarea。监听 `scroll` 是在监听事情本身，而不是它的某一个成因。
+
+**用 `scrollbar-gutter: stable` 让三层一起预留滚动条 gutter。** 曾经采用，实测后回退。当初的推理是：无论平台滚动条占多少宽度，三层都预留同样多即可保持相等；而且 `overflow: hidden` 也是滚动容器，按规范应当遵守该声明。chromium 确实如此（三层各预留 8px，宽度 768/768/768）。WebKit 不然：它对 `overflow-y: auto` 预留、对 `overflow: hidden` 不预留，结果仍是 768 对 776——差距原样保留——于是该属性在唯一能观测到这一偏差的引擎上一无所获，却让每一位 chromium 用户损失 8px 文本列。改为断言该前提并记录 WebKit 的差距。
+
+**改为抑制 textarea 的滚动条，而不是给另外两层预留 gutter。** 在 `.input` 上写 `scrollbar-width: none` 同样能让宽度相等，且不必收窄文本列。之所以否决：草稿超过上限后 composer 是有意显示滚动条滑块的——`.card` 正是为此绑定了 l2 滚动条 token——去掉它就等于拿走了「下面还有内容」这一唯一提示。
+
+**改用 `transform: translateY(-scrollTop)` 平移 backdrop，而不是滚动它。** transform 不受内容高度钳制，因此它能把任何范围偏差——包括尾随换行这一种——一并掩盖，却并不让两层真正对齐。之所以否决，是因为这个偏差本身就是真正的缺陷：范围不等同时意味着两层对末行位置的判断不一致，把它藏在一个不受钳制的 transform 之后，只会让这一失配在任何人去测量 backdrop 的那一刻重新浮现。修正范围本身，才能让草稿高度只有一个事实来源。
+
+**再加一个以已提交草稿为 key 的 layout effect 作为第二道镜像。** 该改动的第一版确实带着它，理由是：一次编辑会让两层重排却不一定让 textarea 移动，且草稿变短时两层各自独立地被钳位。这两个前提都不成立，因此在针对构建产物客户端逐个变异测试每个 hook 之后将其移除：仅禁用 layout effect 时浏览器场景全绿，而仅禁用 `scroll` 监听则会失败。输入会把光标滚入可见范围，那就是一次普通的 `scroll`；草稿变短时两层因范围相等而钳位到同一个最大值，且 textarea 的钳位同样会触发 `scroll`。该 effect 本想覆盖的那个具体隐患——React 在装饰集合形状变化时替换 backdrop 的全部子节点，从而重置其偏移——并不会发生：在 chromium 中实测，替换一个 `overflow: hidden` 盒子的全部子节点会保留 `scrollTop`（300 仍为 300），唯一会将其归零的替换是把内容缩短到偏移之下，而那正是已被覆盖的钳位情形。
+
+**在 `onChange` 处理函数里同步。** 除上述同样的理由外还有其自身的问题：它在 React 把新草稿提交到 backdrop 之前触发，因而会按上一次的布局做镜像。
+
+## 后果
+
+- 超过上限的草稿会滚动其字形。浏览器场景实测：在 40 行草稿上做一次滚轮手势后，最后一行位于可见盒子之内，第一行已滚出上方；此前最后一行仍停在盒子下方整整一个草稿高度处，而 textarea 自身的偏移已经移动了。
+- 该耦合是单向且廉价的——一次对一个数字的赋值，没有测量，除 `scrollTop` 外没有额外的布局读取——因此不会给输入路径增加开销。
+- chip、claim token 高亮与文本引用标记在滚动时始终与其字形对齐，因为它们定位在 backdrop 内部并随之移动。装饰扫描本身没有任何改动。
+- composer 的双层设计保留了这一隐患：日后在 backdrop 旁新增的任何一层都需要同样的镜像；而任何改变某一层如何保留其末行行盒的改动，都会破坏镜像所依赖的范围相等性。e2e 场景对两者都做了断言——用户真正关心的关系（哪一行在屏幕上），以及其下的范围相等性——因此日后一旦出现偏差，失败会落在不变量上，而不是落在某张截图上。
+- 范围相等性是被断言的，而非被假定的。它正是那个能把「镜像偏移」从正确变为微妙错误的前提，并且在加入哨兵之前，它在尾随换行这一形态上确实不成立。
+- 折行宽度相等是另一个前提，而它并非普遍成立：WebKit 把 `.input` 排得比字形层窄 8px。该问题先于本次改动存在，此处保持开放，上文记录了实测数值，并在测试通道所用引擎上加了断言。一份折行恰好取决于这 8px 的草稿会在 WebKit 上钳制镜像。
+- composer 的布局没有变化。此前有一版为追求折行宽度前提而在所有平台把文本列收窄了 8px；实测表明它并不能带来该保证，因此度量与改动前保持一致。
+
+## 验证
+
+[input-bar.spec.tsx](../../../../packages/client/ui-conversation/tests/input-bar.spec.tsx) 中的单元用例证明镜像路径确实执行：它对两侧偏移都做了桩替换——因为 jsdom 对任何元素都报告 `scrollHeight === clientHeight` 且从不滚动任何元素——并断言 backdrop 既跟随 textarea 到新的偏移，也跟随它回到顶部。撤掉那个 `ref` 会让它失败。
+
+用户可见的事实需要真实引擎，因此 [composer-draft-scroll.e2e.ts](../../../../apps/web/tests/composer-draft-scroll.e2e.ts) 在 chromium 中针对构建产物客户端测量它：在全新工作区空白会话的 composer 中放入 40 行草稿，零模型调用，用一个跨越 backdrop 自身文本的 DOM Range 报告首行与末行相对于可见盒子的位置。一个防空转守卫会先断言草稿确实溢出了设有上限的盒子。另有一个独立用例驱动尾随换行这一形态，先断言两侧范围相等，再断言字形确实抵达末尾；每一层的最大值都通过请求一个不可能的偏移再读回其钳位结果来观测，而非由 `scrollHeight` 计算得出。第三个用例断言 gutter 前提：折行宽度相等，且每层预留的带宽大于零。正是这条「带宽」使该断言不至于空转——在本引擎的 overlay 滚动条下，即使完全不预留，两侧宽度也会相等；把保证传递到滚动条真正占宽的平台上的，是那次预留，而不是这次相等。
+
+已双向确认。撤掉镜像并重新构建各包后，滚轮用例在两层偏移上失败，输入用例随之失败，golden 差异读作 `last draft line is on screen: false` 而 `textarea moved: true`——即以 fixture（测试前置数据）形式陈述的原始现象。静止状态用例在两种构建下都通过，这正是要点所在：它就是掩盖了该缺陷的那个状态。
+
+注意 composer 随客户端模块 bundle 一同发布，因此仅运行 `pnpm run build:web` 不会纳入对 `InputBar.tsx` 的改动——必须运行包构建，浏览器测试通道才能看到它；针对陈旧 `lib/` 运行的场景，断言的是比当前工作树更旧的客户端。
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-english-compaction-checkpoints.i18n.yaml b/.agents/notes/implemented/bug-fix/2026-07-31-english-compaction-checkpoints.i18n.yaml
new file mode 100644
index 0000000000..7d68e52c82
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-english-compaction-checkpoints.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/bug-fix/2026-07-31-english-compaction-checkpoints.md
+2026-07-31-english-compaction-checkpoints.md: dc95ed187a6ba5b86800f06ebefb2776995f9421
+2026-07-31-english-compaction-checkpoints.zh.md: 7cd4179430ed775f3807af5a02e81838e495c81e
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-english-compaction-checkpoints.md b/.agents/notes/implemented/bug-fix/2026-07-31-english-compaction-checkpoints.md
new file mode 100644
index 0000000000..dc95ed187a
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-english-compaction-checkpoints.md
@@ -0,0 +1,28 @@
+# Agent Note: Compaction checkpoints use an English engineering register
+
+Status: implemented
+
+English | [中文](2026-07-31-english-compaction-checkpoints.zh.md)
+
+## Problem
+
+A compaction checkpoint becomes part of the next model request's durable prefix. When a multilingual conversation leads the compactor to preserve its narrative material in the conversation language, the checkpoint can introduce a large amount of a language that is absent from the code, tool output, and existing reasoning prefix. That language then persists across later compaction cycles and can influence the conversation model's reasoning register.
+
+## Decision
+
+`COMPACTION_INSTRUCTION` requires an English-language internal engineering checkpoint. It asks the model to translate narrative source material as needed while preserving exact literals, including paths, commands, errors, identifiers, signatures, and quoted wording when exactness matters. The checkpoint's headings and terse engineering bullets remain the existing structured format.
+
+The requirement is integrated into the first sentence of the trailing compaction instruction. The replayed system prompt, tools, and conversation history remain byte-identical to the routed request, so the change retains the prefix-cache reuse owned by the [compaction summary prefix-cache note](2026-07-21-compaction-summary-prefix-cache-reuse.md).
+
+## Alternatives considered
+
+- **Leave checkpoint language to the replayed conversation** — rejected: the checkpoint is a durable prompt prefix, so preserving a transient conversational register can amplify it across later compactions.
+- **Constrain the conversation model's language** — rejected: the policy is for an internal checkpoint, not the user's visible conversation, and a conversation-wide rule would unnecessarily change normal interaction.
+- **Require ASCII-only output** — rejected: ASCII is a character-set constraint rather than an engineering-register constraint and would unnecessarily distort legitimate literals and technical material.
+- **Append a separate final English-only sentence** — rejected: stating the requirement in the instruction's opening output contract is shorter and ties it directly to the checkpoint being requested.
+
+## Consequences
+
+- New checkpoints normalize narrative context into English while retaining the exact strings that future tool use and code work depend on.
+- Existing checkpoint structure, compaction routing, and cache alignment are unchanged; only the final user instruction is different.
+- The direct summarization call remains outside transcript snapshots because it emits no `assistant/chunk` events. The real-loop regression instead asserts the exact final instruction received by the summarization request.
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-english-compaction-checkpoints.zh.md b/.agents/notes/implemented/bug-fix/2026-07-31-english-compaction-checkpoints.zh.md
new file mode 100644
index 0000000000..7cd4179430
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-english-compaction-checkpoints.zh.md
@@ -0,0 +1,28 @@
+# Agent Note: 压缩检查点使用英语工程文体
+
+Status: implemented
+
+[English](2026-07-31-english-compaction-checkpoints.md) | 中文
+
+## 问题
+
+压缩（compaction）检查点会成为下一次模型请求中持久存在的前缀。当多语言对话使压缩器以对话语言保留叙述性材料时，检查点可能引入大量代码、工具输出和既有推理（reasoning）前缀中均未出现的语言内容。该语言随后会在后续压缩周期中持续存在，并影响对话模型的推理文体。
+
+## 决策
+
+`COMPACTION_INSTRUCTION` 要求生成英语的内部工程检查点。它要求模型在必要时翻译叙述性源材料，同时保留精确的字面量；这包括路径、命令、错误、标识符、签名，以及精确性重要时的引用措辞。检查点的标题及简洁的工程项目符号仍沿用既有的结构化格式。
+
+这项要求被整合到尾部压缩指令的第一句话中。回放的系统提示词、工具和对话历史与已路由请求保持字节级一致，因此该变更保留 [compaction summary prefix-cache note](2026-07-21-compaction-summary-prefix-cache-reuse.md) 所确立的前缀缓存复用。
+
+## 考虑过的替代方案
+
+- **让回放的对话决定检查点语言**——不采纳：检查点是持久的提示词前缀，保留短暂的对话文体可能在后续压缩中放大这种影响。
+- **约束对话模型的语言**——不采纳：该策略针对内部检查点，而不是用户可见的对话；对整个对话施加规则会不必要地改变正常交互。
+- **要求仅输出 ASCII**——不采纳：ASCII 是字符集约束，而非工程文体约束，并会不必要地扭曲合法的字面量和技术材料。
+- **在末尾追加一句独立的仅限英语要求**——不采纳：在指令开头的输出契约中说明该要求更简洁，也直接将其与所请求的检查点绑定。
+
+## 后果
+
+- 新检查点会将叙述性上下文规范化为英语，同时保留未来工具使用和代码工作所依赖的精确字符串。
+- 既有检查点结构、压缩路由和缓存对齐保持不变；只有最后一条 user 指令不同。
+- 直接摘要调用仍不纳入 transcript（文本记录）快照，因为它不会发出 `assistant/chunk` 事件。真实循环回归改为断言摘要请求收到的精确最终指令。
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-hero-visible-while-blank-session-opens.i18n.yaml b/.agents/notes/implemented/bug-fix/2026-07-31-hero-visible-while-blank-session-opens.i18n.yaml
new file mode 100644
index 0000000000..12b3982d54
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-hero-visible-while-blank-session-opens.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/bug-fix/2026-07-31-hero-visible-while-blank-session-opens.md
+2026-07-31-hero-visible-while-blank-session-opens.md: b39963beffa403ef6fa44735aa88395a99139751
+2026-07-31-hero-visible-while-blank-session-opens.zh.md: b451d7c00ec7eb8d736134e738d72e5e07fd1b04
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-hero-visible-while-blank-session-opens.md b/.agents/notes/implemented/bug-fix/2026-07-31-hero-visible-while-blank-session-opens.md
new file mode 100644
index 0000000000..b39963beff
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-hero-visible-while-blank-session-opens.md
@@ -0,0 +1,35 @@
+# Agent Note: Hero stays visible while a blank session opens
+
+Status: implemented
+
+English | [中文](2026-07-31-hero-visible-while-blank-session-opens.zh.md)
+
+## Problem
+
+The conversation root has a `settling` phase for a session that is still opening while its composer reads `blank`: the hero-versus-docked outcome is unknowable until history arrives, so the composer seat is hidden (`visibility:hidden`) rather than flashing the centered hero and snapping to the docked bar. Startup auto-selection turned that guard into the defect it was meant to prevent. From the no-workspace hero, `WorkspacesService.startInitialSelection` connects the most recent workspace and opens its blank session; `openState` flips to `loading` the moment `open()` lands, so the center column went blank for the whole history round-trip and then repainted, which reads as a full-page refresh on every launch.
+
+## Decision
+
+`ConversationRoot` reads the session list summary's `blank` flag alongside the conversation snapshot and exempts summary-proven blank sessions from settling: `settling` additionally requires `summaryBlank !== true`, and `hero` accepts a blank composer whenever the summary proves the session blank, in every open state rather than only `loading`. A session the list already reports as blank can only land on the hero, so hiding buys nothing and costs the visible flash; the same proof holds before the open starts (`cold`) and after one fails (`error`), where the previous conditions fell through to the active phase and rendered a docked bare composer under chrome `ConversationSession` hides for blank sessions. Whenever the summary does not prove the session blank — a row reporting `blank: false`, or no row at all because the list has not caught up — `summaryBlank` is not `true` and the conservative settling hide is unchanged.
+
+The summary flag and the snapshot's own `blank` are distinct sources: the snapshot describes the session being opened, the summary is the list row that already exists before the open resolves. Only the latter is available early enough to decide the phase.
+
+## Alternatives considered
+
+**Drop the settling phase entirely.** Rejected because it still earns its keep for a session with no summary row: without a prior claim about emptiness, hero-versus-docked is genuinely unknowable and the flash it prevents is the worse one.
+
+**Delay the `loading` flip until history returns.** Rejected because `openState` is authoritative about the open operation; deferring it to suppress a presentation artifact would misreport the data state to every other consumer.
+
+**Cross-fade or otherwise animate the settling hide.** Rejected because the column has nothing to show during the round-trip either way — the fix is to not hide content whose outcome is already known, not to decorate the hiding.
+
+## Deferred
+
+The no-session→session tree relocation in `ConversationRoot` (the hero/composer subtree moves into the `conversation.session` outlet) still rebuilds the composer DOM on the same transition; removing it means moving `conversation.session` to `session-maybe` scope, a slot-contract change that needs its own proposal.
+
+Object-layer reference churn found while diagnosing this — no-op projections minting fresh snapshots, the create path projecting twice, `select()` using `notifyNow` from async continuations — is real but independent of the visible flash.
+
+## Consequences
+
+Startup auto-selection renders the hero immediately and keeps the composer seat and header visible through the history round-trip, so launching into a recent workspace no longer looks like a page reload. Sessions whose summary does not prove them blank keep the previous settling behavior, so the guard still covers the case it was written for. Skeleton tests pin all three summary shapes: a row reporting `blank: false` settles, an absent row settles, and a summary-proven blank session opening under `loading` renders hero chrome with a live textarea.
+
+The assembled coverage is `apps/web/tests/startup-auto-selection.e2e.ts` (keyless web browser lane): it registers a workspace, holds the `session.history` response open at the browser's network boundary, and asserts the visible frame while the auto-selected open is in flight — hero phase, hero title, painted composer — plus a recorded phase timeline of exactly `['hero']` for the whole load. Holding the round-trip is what makes it a regression test rather than a race: against a loopback host the open settles too fast to sample, and with the exemption reverted the held window is precisely when the root reports `settling`.
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-hero-visible-while-blank-session-opens.zh.md b/.agents/notes/implemented/bug-fix/2026-07-31-hero-visible-while-blank-session-opens.zh.md
new file mode 100644
index 0000000000..b451d7c00e
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-hero-visible-while-blank-session-opens.zh.md
@@ -0,0 +1,35 @@
+# Agent Note: 空白会话打开期间保持 hero 可见
+
+Status: implemented
+
+[English](2026-07-31-hero-visible-while-blank-session-opens.md) | 中文
+
+## 问题
+
+会话根节点为"正在打开且 composer 处于 `blank`"的会话保留了一个 `settling` 阶段：在历史记录返回之前，hero 与 docked 的归属不可知，因此宁可隐藏 composer 座位（`visibility:hidden`），也不要先闪出居中的 hero 再跳到底部输入条。启动时的自动选择把这道防护变成了它本要防止的缺陷。从无工作区的 hero 进入时，`WorkspacesService.startInitialSelection` 会连接最近的工作区并打开其空白会话；`open()` 一落地 `openState` 立即翻为 `loading`，中间栏因此在整个历史往返期间保持空白，随后重绘一次——每次启动看起来都像整页刷新。
+
+## 决策
+
+`ConversationRoot` 在读取会话快照的同时读取会话列表摘要的 `blank` 标志，并让"摘要已证明为空白"的会话豁免 settling：`settling` 额外要求 `summaryBlank !== true`，而 `hero` 在摘要证明会话为空白时接受处于 blank 的 composer——覆盖全部 open state，而非仅 `loading`。列表已报告为空白的会话只可能落到 hero，因此隐藏毫无收益，只换来一次可见闪烁；同一份证明在打开开始之前（`cold`）与打开失败之后（`error`）同样成立，而此前的条件会在这两种状态下落到 active 阶段，在 `ConversationSession` 为空白会话隐藏的外壳之下渲染出一条停靠的裸 composer。只要摘要没有证明会话为空白——无论是报告 `blank: false` 的行，还是列表尚未跟上因而根本没有该行——`summaryBlank` 都不为 `true`，保守的 settling 隐藏行为保持不变。
+
+摘要标志与快照自身的 `blank` 是两个不同来源：快照描述正在打开的这个会话，摘要则是在打开操作完成之前就已存在的列表行。只有后者足够早，可用于决定阶段。
+
+## 备选方案
+
+**彻底移除 settling 阶段。** 否决，因为对没有摘要行的会话它仍有价值：在缺少任何关于"是否为空"的先验断言时，hero 与 docked 的归属确实不可知，而它所防止的那种闪烁更糟糕。
+
+**推迟 `loading` 的翻转，直到历史返回。** 否决，因为 `openState` 是打开操作的权威状态；为了压制一个呈现层瑕疵而推迟它，会向其他所有消费者误报数据状态。
+
+**为 settling 的隐藏加交叉淡入或其他动画。** 否决，因为无论如何该栏在往返期间都没有内容可展示——正确的修复是不隐藏结局已知的内容，而不是把隐藏装饰得好看些。
+
+## 推迟事项
+
+`ConversationRoot` 中"无会话→有会话"的树位置迁移（hero/composer 子树移入 `conversation.session` 出口）仍会在同一次转换中重建 composer 的 DOM；消除它意味着把 `conversation.session` 移到 `session-maybe` 作用域，这是一次插槽契约变更，需要单独立项。
+
+诊断期间发现的对象层引用抖动——空操作投影铸造出新的快照、创建路径重复投影一次、`select()` 在异步续体中使用 `notifyNow`——确实存在，但与这次可见闪烁相互独立。
+
+## 影响
+
+启动自动选择会立即渲染 hero，并在整个历史往返期间保持 composer 座位与 header 可见，因此启动进入最近工作区不再像页面重载。摘要未证明为空白的会话保持原有的 settling 行为，这道防护仍覆盖它当初针对的场景。骨架测试固定了摘要的三种形态：报告 `blank: false` 的行进入 settling；根本没有该行同样进入 settling；摘要已证明为空白的会话在 `loading` 期间渲染 hero 外壳与可用的文本框。
+
+组装级覆盖是 `apps/web/tests/startup-auto-selection.e2e.ts`（无密钥的 Web 浏览器泳道）：它注册一个工作区，在浏览器网络边界上扣住 `session.history` 的响应，并在自动选择的打开仍在飞行途中断言可见画面——hero 阶段、hero 标题、已绘制的 composer——外加整次加载记录到的阶段时间线恰好为 `['hero']`。扣住这次往返正是它成为回归测试而非竞态的原因：对着回环主机，打开会快到无从采样；而一旦回退这条豁免，被扣住的这段窗口恰恰就是根节点报告 `settling` 的时刻。
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-same-basename-workspace-adoption.i18n.yaml b/.agents/notes/implemented/bug-fix/2026-07-31-same-basename-workspace-adoption.i18n.yaml
new file mode 100644
index 0000000000..990e7e39bb
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-same-basename-workspace-adoption.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/bug-fix/2026-07-31-same-basename-workspace-adoption.md
+2026-07-31-same-basename-workspace-adoption.md: ed53804ea64df0d61db16e579c3d65af803dbb97
+2026-07-31-same-basename-workspace-adoption.zh.md: 82cfb7d90afca28f8e666742a758fda0202909f3
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-same-basename-workspace-adoption.md b/.agents/notes/implemented/bug-fix/2026-07-31-same-basename-workspace-adoption.md
new file mode 100644
index 0000000000..ed53804ea6
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-same-basename-workspace-adoption.md
@@ -0,0 +1,37 @@
+# Agent Note: Same-basename Workspace adoption
+
+Status: implemented
+
+English | [中文](2026-07-31-same-basename-workspace-adoption.zh.md)
+
+## Problem
+
+A Workspace is identified by its stable id and canonical directory path, while its title is mutable display metadata. The registry nevertheless rejected a new canonical path when its basename-derived title matched another Workspace. Common directory layouts such as `/a/xx` and `/b/xx` therefore could not coexist in the Web UI, even though the [domain design](../../proposed/architecture/2026-07-24-domain-kv-storage-and-workspace.md) already permits duplicate titles and every client operation addresses a Workspace by id.
+
+## Decision
+
+`ctx.workspace.create(path, title?)` treats canonical path as the only uniqueness key. Repeating the same path remains idempotent and preserves the registered title. Different canonical paths create different Workspace records and may share a title; when no title is supplied, each record still derives its title from `basename(path)` without suffixing or rewriting it.
+
+The Host's `workspace.create({ path })` adoption route inherits that rule. The Workspace manager, picker, grouping tree, selection, rename, deletion, and Session creation continue to use `WorkspaceId`, so equal labels neither merge records nor redirect an operation. The sidebar hover card exposes each canonical path when the labels need disambiguation.
+
+Explicit naming remains stricter. `workspace.create({ name })` and `workspace.rename` continue to reject a title already registered, as described by [manual Workspace naming](../feature/2026-07-25-session-list-browsing-and-manual-order.md). This prevents a user from deliberately introducing another ambiguous label while accepting collisions imposed by existing directory names. The path-adoption rule supersedes only the title-conflict clauses in the [Workspace product flow](../feature/2026-07-25-workspace-ui-product-flow.md) and [native directory picker](../feature/2026-07-27-native-workspace-directory-picker.md).
+
+The durable schema does not change: Workspace records already store id, path, and title independently, bootstrap can derive equal basenames, and startup validates duplicate paths rather than titles.
+
+## Verification
+
+Workspace registry and Host API tests create two real directories under different parents with the same final segment and assert distinct ids, paths, and durable order. The picker component renders equal labels as separate id-keyed entries. The keyless Web browser scenario adopts both directories through the composed directory flow and observes two registered and rendered Workspaces.
+
+## Alternatives considered
+
+**Keep title uniqueness and reject the second directory.** A display label would remain an accidental identity key and ordinary multi-root layouts would stay impossible to register.
+
+**Suffix colliding titles automatically.** A generated label such as `xx (2)` would no longer be the directory-derived title, would need stable allocation rules across deletion and reload, and would add state solely to conceal an identity mistake.
+
+**Use the full path as every Workspace title.** This removes the collision but makes the primary navigation label unnecessarily long. The full path remains available in the hover detail while the concise basename stays useful.
+
+**Permit collisions from explicit rename and create-by-name operations too.** The registry supports that state, but those operations intentionally ask the user to choose a display name. Retaining their conflict response preserves the existing naming guard without blocking filesystem-selected paths.
+
+## Consequences
+
+Two Workspace rows may carry the same visible title. They remain independently selectable and actionable because ids own identity; users can inspect the path or rename either row to disambiguate it. An explicit rename cannot select another row's current title, including a title that arose from same-basename adoption. No storage migration or compatibility path is required.
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-same-basename-workspace-adoption.zh.md b/.agents/notes/implemented/bug-fix/2026-07-31-same-basename-workspace-adoption.zh.md
new file mode 100644
index 0000000000..82cfb7d90a
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-same-basename-workspace-adoption.zh.md
@@ -0,0 +1,37 @@
+# Agent Note: 接纳 basename 相同的 Workspace
+
+Status: implemented
+
+[English](2026-07-31-same-basename-workspace-adoption.md) | 中文
+
+## 问题
+
+Workspace 的身份由其稳定 id 和规范目录路径确定，标题则是可变的显示元数据。然而，只要新规范路径按 basename 派生出的标题与另一个 Workspace 相同，注册表就会拒绝该路径。因此，`/a/xx` 和 `/b/xx` 等常见目录布局无法同时出现在 Web UI 中，尽管[领域设计](../../proposed/architecture/2026-07-24-domain-kv-storage-and-workspace.md)早已允许标题重复，而且每项客户端操作都通过 id 定位 Workspace。
+
+## 决策
+
+`ctx.workspace.create(path, title?)` 仅以规范路径作为唯一性键。重复传入同一路径仍保持幂等，并保留已注册的标题。不同的规范路径会创建不同的 Workspace 记录，且可以共用标题；未提供标题时，每条记录仍从 `basename(path)` 派生标题，不添加后缀，也不改写标题。
+
+Host 的 `workspace.create({ path })` 接纳入口沿用该规则。Workspace 管理器、选择器、分组树、选择、重命名、删除和 Session 创建仍使用 `WorkspaceId`，因此相同标签既不会合并记录，也不会把操作指向其他记录。需要区分相同标签时，侧边栏悬停详情卡会显示各自的规范路径。
+
+显式命名仍采用更严格的规则。`workspace.create({ name })` 和 `workspace.rename` 仍会拒绝已注册的标题，具体见[手动 Workspace 命名](../feature/2026-07-25-session-list-browsing-and-manual-order.md)。这既防止用户主动引入另一个难以区分的标签，又允许既有目录名称造成的重名。路径接纳规则仅取代 [Workspace 产品流](../feature/2026-07-25-workspace-ui-product-flow.md)和[原生目录选择器](../feature/2026-07-27-native-workspace-directory-picker.md)中的标题冲突条款。
+
+持久化 schema 未变：Workspace 记录本就分别存储 id、path 和 title，引导初始化可以派生出相同的 basename，启动校验检查的是重复路径而非重复标题。
+
+## 验证
+
+Workspace 注册表与 Host API 测试会在不同父目录下创建两个末级名称相同的真实目录，并断言其 id 和路径互不相同，且持久顺序正确。选择器组件将相同标签渲染为按 id 区分的独立条目。无密钥 Web 浏览器场景通过组合而成的目录流程接纳这两个目录，并观察到两个 Workspace 均已注册且完成渲染。
+
+## 考虑过的替代方案
+
+**保持标题唯一，并拒绝第二个目录。** 显示标签仍会意外充当身份键，普通的多根目录布局仍无法注册。
+
+**自动为冲突标题添加后缀。** 像 `xx (2)` 这样的生成标签将不再是从目录派生的标题；系统还需要制定跨删除与重载保持稳定的分配规则，并且只为掩盖身份判定错误而增加状态。
+
+**将完整路径用作每个 Workspace 的标题。** 这会消除冲突，却使主导航标签不必要地过长。完整路径仍可在悬停详情中查看，而简洁的 basename 仍有价值。
+
+**也允许显式重命名和按名称创建操作产生重名。** 注册表支持这种状态，但这些操作本就是明确要求用户选择显示名称。保留冲突响应可维持现有命名防护，同时不阻止从文件系统选取的路径。
+
+## 后果
+
+两个 Workspace 行可能显示相同的可见标题。id 负责身份，因此两行仍可独立选择和操作；用户可以查看路径或重命名任一行以作区分。显式重命名不能采用另一个行当前使用的标题，即使该标题源自 basename 相同的目录接纳。无需存储迁移或兼容路径。
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-web-stop-preserves-queue.i18n.yaml b/.agents/notes/implemented/bug-fix/2026-07-31-web-stop-preserves-queue.i18n.yaml
new file mode 100644
index 0000000000..c20d347fc9
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-web-stop-preserves-queue.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/bug-fix/2026-07-31-web-stop-preserves-queue.md
+2026-07-31-web-stop-preserves-queue.md: 943e95d6951a28929c4f8ce4d0b6e17224b08ede
+2026-07-31-web-stop-preserves-queue.zh.md: bbadd8adf8fd5bb0604ef87d322e48ce4c2ed759
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-web-stop-preserves-queue.md b/.agents/notes/implemented/bug-fix/2026-07-31-web-stop-preserves-queue.md
new file mode 100644
index 0000000000..943e95d695
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-web-stop-preserves-queue.md
@@ -0,0 +1,37 @@
+# Agent Note: Web stop preserves pending Queue
+
+Status: implemented
+
+English | [中文](2026-07-31-web-stop-preserves-queue.zh.md)
+
+## Problem
+
+The Web stop button reached `session.cancel`, which mapped to broad `agent.cancel({ kind: 'user' })`. During an active turn, ordinary composer submissions are already accepted as independently addressable Queue occurrences. Broad cancellation discarded every occurrence when the user intended to stop only the current generation, conflating turn interruption with the Queue's explicit delete operation.
+
+The browser cannot repair that loss by resending visible rows. It does not own their live `InboxItemId`, wake policy, or claim race, and a resend can duplicate work that the Host has already claimed.
+
+## Decision
+
+`session.cancel` is the Web Host API's active-turn stop. It calls `agent.cancel({ kind: 'user' }, { keepInbox: true })`, preserving pending inbox work while cooperatively aborting the current turn. The underlying option preserves queued and steering entries; the Web Queue projection continues to expose only queued entries.
+
+The AgentLoop starts no concurrent replacement turn. It closes and flushes the interrupted turn, reaches cancellation quiescence, and then claims the next waking queued occurrence through its existing FIFO driver. That claim emits `agent/inbox/dequeue`, so the Host's authoritative `session/queue` snapshot retires the claimed row and leaves the remaining tail visible. The browser neither resends nor promotes any row. Work that ignores cancellation delays this handoff until it settles.
+
+This mapping changes only the Host `session.cancel` endpoint used by Web clients. The default `Agent.cancel()` contract remains broad, ACP and TUI retain their existing cancellation policies, and `AgentHandle.dispose()` still clears pending work during teardown. Queue row removal remains the explicit Web action for discarding one pending occurrence.
+
+## Alternatives considered
+
+**Keep broad cancellation for the stop button.** Rejected because stopping one generation should not destroy independently queued user intent; the Queue already owns explicit deletion.
+
+**Resend the next row from the browser after cancellation.** Rejected because the Host owns occurrence identity and claim order. Client resubmission can duplicate work, reorder the FIFO, or race an authoritative dequeue.
+
+**Start the next turn before cancelled work reaches quiescence.** Rejected because two turns would concurrently mutate one session log and share Agent-owned resources. Cooperative cancellation waits truthfully for the active work to settle.
+
+**Add a wire option for broad versus preserving cancellation.** Rejected until the Web product has a separate “stop and clear Queue” interaction. The existing stop button has one policy, while per-row delete already supplies the current discard control.
+
+## Verification
+
+AgentLoop coverage holds an active model stream, queues two waking turns, cancels with `keepInbox`, and pins the aborted-then-completed turn reasons, FIFO user-message order, absence of discard events, and eventual idle state. The keyless Web scenario drives the built composition over HTTP/SSE: it stops one hung turn, observes the next queued occurrence start while the tail remains visible, stops that turn, and observes the final queued occurrence complete. Its accessibility snapshot pins the intermediate preserved-Queue state.
+
+## Consequences
+
+Web stop preserves accepted queued intent and advances it automatically after truthful cancellation settlement. Queue rows may remain visible while uncooperative active work winds down, and external steering preserved by the same inbox option can enter the next admitted turn even though Web does not render steering in QueueDock. A future bulk-clear interaction requires an explicit product action rather than overloading stop.
diff --git a/.agents/notes/implemented/bug-fix/2026-07-31-web-stop-preserves-queue.zh.md b/.agents/notes/implemented/bug-fix/2026-07-31-web-stop-preserves-queue.zh.md
new file mode 100644
index 0000000000..bbadd8adf8
--- /dev/null
+++ b/.agents/notes/implemented/bug-fix/2026-07-31-web-stop-preserves-queue.zh.md
@@ -0,0 +1,37 @@
+# Agent Note: Web 停止操作保留待处理 Queue
+
+Status: implemented
+
+[English](2026-07-31-web-stop-preserves-queue.md) | 中文
+
+## 问题
+
+Web 停止按钮调用 `session.cancel`，后者映射到广义 `agent.cancel({ kind: 'user' })`。在活动轮次期间，普通 composer 提交已经被接纳为可独立寻址的 Queue 入队项。用户只想停止当前生成时，广义取消却会丢弃所有入队项，混淆了轮次中断与 Queue 的显式删除操作。
+
+浏览器无法通过重发可见行修复这一损失。它不拥有这些行的实时 `InboxItemId`、唤醒策略或认领竞态；重发还可能重复 Host 已认领的工作。
+
+## 决策
+
+`session.cancel` 是 Web Host API 的活动轮次停止操作。它调用 `agent.cancel({ kind: 'user' }, { keepInbox: true })`，在协作式中止当前轮次的同时保留待处理 inbox 工作。底层选项会保留 queued 和 steering 入队项；Web Queue 投影继续只暴露 queued 入队项。
+
+AgentLoop 不会启动并发的替代轮次。它会关闭并 flush 被中断的轮次，达到取消的完全停稳，然后通过现有 FIFO 驱动器认领下一个可唤醒的 queued 入队项。该认领会发出 `agent/inbox/dequeue`，因此 Host 的权威 `session/queue` 快照会退役已认领行，并使剩余队尾保持可见。浏览器既不重发，也不提升任何行。忽略取消的工作会延迟这一交接，直到该工作结算。
+
+该映射只更改 Web 客户端使用的 Host `session.cancel` 端点。`Agent.cancel()` 默认契约仍为广义取消，ACP 和 TUI 保留既有取消策略，`AgentHandle.dispose()` 在拆卸期间仍会清除待处理工作。移除 Queue 行仍是用于丢弃单个待处理入队项的显式 Web 操作。
+
+## 考虑过的替代方案
+
+**停止按钮继续使用广义取消。** 之所以否决：停止一次生成不应销毁已独立排队的用户意图；Queue 已拥有显式删除操作。
+
+**取消后由浏览器重发下一行。** 之所以否决：Host 拥有入队项标识和认领顺序。客户端重新提交可能重复工作、重排 FIFO，或与权威出队产生竞态。
+
+**被取消工作达到完全停稳之前启动下一轮次。** 之所以否决：两个轮次会并发修改同一会话日志，并共享 Agent 拥有的资源。协作式取消会如实等待活动工作结算。
+
+**为广义取消与保留式取消添加协议选项。** 之所以否决：在 Web 产品提供独立的「停止并清空 Queue」交互之前，不需要此选项。现有停止按钮只有一项策略，而逐行删除已提供当前的丢弃控件。
+
+## 验证
+
+AgentLoop 覆盖会保持一个活动模型流，将两个可唤醒轮次排队，使用 `keepInbox` 取消，并固定验证先中止、后完成的轮次原因，FIFO 用户消息顺序，不存在 discard 事件，以及最终空闲状态。无密钥 Web 场景通过 HTTP／SSE 驱动已组装组合：它停止一个卡住的轮次，观察队尾保持可见时下一个 queued 入队项开始，再停止该轮次，并观察最后一个 queued 入队项完成。其可访问性快照固定了中间的 Queue 保留状态。
+
+## 后果
+
+Web 停止会保留已接纳的排队意图，并在取消如实结算后自动推进。不配合取消的活动工作收尾时，Queue 行可能仍保持可见；由同一 inbox 选项保留的外部 steering 可以进入下一个已接纳轮次，尽管 Web 不会在 QueueDock 中渲染 steering。未来的批量清空交互需要显式的产品操作，而不是过载停止。
diff --git a/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.i18n.yaml b/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.i18n.yaml
index 3e397f0081..87d89b1c28 100644
--- a/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md
-2026-06-18-compaction-capability-seam.md: f6c5f0bc6bfc947745728526e8562e13d9a74cc1
-2026-06-18-compaction-capability-seam.zh.md: 296dad46ab70704bc25fef0e7f99d899cd881559
+2026-06-18-compaction-capability-seam.md: 4f242d1777c04e95a9062c9c9af9fa550cf55f21
+2026-06-18-compaction-capability-seam.zh.md: 9a3521d4267575b15f5263ea1f143bd02a70d820
diff --git a/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md b/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md
index f6c5f0bc6b..d60ac02fda 100644
--- a/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md
+++ b/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md
@@ -18,10 +18,10 @@ Two forces shape the design. First, compaction policy and reusable token measure
 
 Per the [capability-seams Agent Note](../architecture/2026-06-13-capability-seams.md), compaction ships as separate packages so the contract, the algorithm, and (later) the consumer surface evolve independently:
 
-1. **Interface** — `@deepseek-ai/dsh-compact`: an abstract `CompactService` owning the `ctx.compact` key, the `CompactionResult` vocabulary, the `compact/*` session events, and the canonical checkpoint message source. It declares `compactIfNeeded()` and `compactRegion()` as **abstract** — the contract states *what* compaction does, not *how*.
-2. **Implementation** — `@deepseek-ai/dsh-compact-basic`: a concrete `BasicCompactService` that consumes `ctx.tokenMeter` and owns the tail→head retention walk, summarization via `ctx.llm.stream()`, the surface replacement, the lock, post-step pressure, and canonical context-overflow recovery. `summarize()` is its sole subclass hook; pricing and replay stay with the meter.
+1. **Interface** — `@deepseek-ai/dsh-compact`: an abstract `CompactService` owning the `ctx.compact` key, the `CompactionResult` vocabulary, the `compact/*` session events, the manual failure taxonomy, and the canonical checkpoint message source. It declares `compactIfNeeded()`, `compactNow()`, and `compactRegion()` as **abstract** — the contract states *what* compaction does, not *how*.
+2. **Implementation** — `@deepseek-ai/dsh-compact-basic`: a concrete `BasicCompactService` that consumes `ctx.tokenMeter` and owns the tail→head retention walk, summarization via `ctx.llm.stream()`, the surface replacement, the lock, pre-step pressure, and canonical context-overflow recovery. `summarize()` is its sole subclass hook; pricing and replay stay with the meter.
 3. **Model-free companion** — `@deepseek-ai/dsh-compact-tool-result-prune`: a concrete optional service that rewrites oversized current `tool/result` nodes before the backend selects a summary range. It is not a second compaction implementation and does not implement `CompactService`.
-4. **Consumer** — deferred. A `/compact` tool and slash command will `inject: ['compact']` and call the contract; they are intentionally out of scope here so the seam settles first.
+4. **Human consumer** — `@deepseek-ai/dsh-command-compact` registers argument-free `/compact` through `ctx.commands` and calls the backend-independent `compactNow()` operation. It is direct human control, not a model-facing tool.
 
 ### The contract depends on `dsh-session` and `dsh-llm` — a deliberate deviation
 
@@ -29,11 +29,11 @@ The capability-seams Agent Note states the interface package "depends only on co
 
 This is not a coupling smell — it is the contract's domain. The "only cordis" guidance was always shorthand for "the interface depends only on what the contract genuinely names, and never on an implementation." `dsh-session` and `dsh-llm` are themselves interface/vocabulary packages, not implementations; `dsh-compact` still imports no backend. The seam's real invariant — *consumers and implementations evolve independently behind an abstract service* — holds intact.
 
-### Abstract `compactIfNeeded` / `compactRegion`, algorithm in the backend
+### Three abstract operations, algorithm in the backend
 
-An earlier draft put the full algorithm (the retention walk, token-summing, text extraction) as concrete methods on the interface. That recouples the contract to one strategy: a backend that wants a different retention policy or event sequence would have to fight inherited concrete code. Making both core methods abstract puts every *how* decision in the backend and keeps the interface a statement of *what*. Token measurement is not a compaction hook at all; the singleton service lets multiple consumers share one per-session replay fold.
+An earlier draft put the full algorithm (the retention walk, token-summing, text extraction) as concrete methods on the interface. That recouples the contract to one strategy: a backend that wants a different retention policy or event sequence would have to fight inherited concrete code. Making all three operations abstract puts every *how* decision in the backend and keeps the interface a statement of *what*. Token measurement is not a compaction hook at all; the singleton service lets multiple consumers share one per-session replay fold.
 
-`compactIfNeeded(agent, trigger, signal)` takes an explicit `'pressure' | 'context-overflow'` trigger and cancellation. It reads only the latest durable routed request; no header means no work, while any routed provider/model target uses the singleton estimator. `compactRegion(start, end, agent, signal?)` uses `agent.session` as its single session identity and keeps an optional signal for manual callers. The default summarizer resolves its target from explicit config, the latest logged routed target, then agent options, and records the provider/model pair after any `llm/stream` routing. It replays the routed request's prefix and appends the compaction directive as a trailing user message so the provider's warm KV cache is reused — see the [summary prefix-cache Agent Note](../bug-fix/2026-07-21-compaction-summary-prefix-cache-reuse.md). The call sets the provider-neutral `GenerateOptions.purpose` to `compaction`; adapters may map that purpose to model-hidden transport metadata, and the DeepSeek adapter sends `x-deepseek-harness-compact: 1`.
+`compactIfNeeded(agent, trigger, signal)` takes an explicit `'pressure' | 'context-overflow'` trigger and cancellation. It reads only the latest durable routed request; no header means no work, while any routed provider/model target uses the singleton estimator. `compactNow(agent, signal)` requires an idle agent and performs one useful balanced reduction even below pressure, returning `null` without writes when none exists. `compactRegion(start, end, agent, signal?)` uses `agent.session` as its single session identity and keeps an optional signal for explicit callers. The default summarizer resolves its target from explicit config, the latest logged routed target, then agent options, and records the provider/model pair after any `llm/stream` routing. It replays the routed request's prefix and appends the compaction directive as a trailing user message so the provider's warm KV cache is reused — see the [summary prefix-cache Agent Note](../bug-fix/2026-07-21-compaction-summary-prefix-cache-reuse.md). The call sets the provider-neutral `GenerateOptions.purpose` to `compaction`; adapters may map that purpose to model-hidden transport metadata, and the DeepSeek adapter sends `x-deepseek-harness-compact: 1`.
 
 ### Automatic pressure runs after successful durable step work
 
@@ -42,9 +42,9 @@ Successful-call pressure runs at the next `agent/pre-step`, after the preceding
 Canonical provider context overflow takes a separate path. The failed step closes and `agent/request-error` receives the original request error. Compact-basic owns its per-agent overflow count, prunes before forcing one useful balanced reduction, and returns `{ kind: 'retry' }` only if `session.surface.replaceGeneration` increases, including pruning-only progress when no summary range exists. The loop then closes the failed turn, opens a new numbered retry turn, and reconstructs its request from the durable log. No replacement, a recovery failure before any replacement, cancellation, an exhausted cap, or an unrelated error preserves the original provider failure. If pruning already advanced the generation before later summary work fails, recovery retries from that durable pruned surface unless cancellation or disposal wins. The complete lifecycle decision is in the [after-call recovery Agent Note](../architecture/2026-07-10-after-call-compaction-pressure-and-overflow-recovery.md).
 
 ```
-assistant/message → tool/result/context/steering
-await waterfall agent/pre-step       ⟵ pressure compaction before the next request
-step/end
+assistant/message → tool/result/context/steering → step/end
+claim the next batch → await waterfall agent/pre-step  ⟵ pressure compaction before the next request
+enter → next step/start
 
 provider overflow → step/end
 await waterfall agent/request-error  ⟵ forced compaction between attempts
@@ -53,7 +53,7 @@ retry → next numbered step/start      ⟵ derives from the replacement surface
 
 ### Retention is turn-agnostic; tool-pairing balance is the only structural guard
 
-Auto-compaction checks after **every successful** step, not once per turn. This is load-bearing for runaway-turn survival: a tool-heavy ReAct turn appends an `assistant/message` + a `tool/result` per step, so the surface grows within a turn. The post-step check can compact early closed tool pairs before continuation opens the next step, and provider-confirmed overflow remains the backstop when a request crosses the limit first.
+Auto-compaction checks after **every successful** step, not once per turn. This is load-bearing for runaway-turn survival: a tool-heavy ReAct turn appends an `assistant/message` + a `tool/result` per step, so the surface grows within a turn. The next pre-step check can compact early closed tool pairs before continuation opens another step, and provider-confirmed overflow remains the backstop when a request crosses the limit first.
 
 `compactIfNeeded` retains the smallest tail of whole surface units whose estimated size reaches the resolved retained-token budget and compacts older nodes. A unit is a complete closed step or one no-step message. If the token cutoff lands inside a step, retention expands until the cut is tool-pairing balanced. Balance is checked on surface order, not log sequence, because replacement summaries have new sequence numbers at old surface positions. `dsh-compact` exports the before/after edge helpers; their per-session cache folds only appended surface-tail nodes while `replaceGeneration` is unchanged, does no event reads for log-only growth, and rebuilds current membership and balances after replacement. `compactRegion` rejects boundaries that split a tool call from its result. The in-flight turn receives no special retention.
 
@@ -91,42 +91,44 @@ The basic backend wraps the summary as established checkpoint context and tags i
 
 ### Blocking via a log-recorded lock, plus a crash/recoverable failure taxonomy
 
-The `compact/start … compact/end` bracket is justified, in order of what now does the work:
+The `compact/start … compact/end` bracket is justified by two roles:
 
 1. **Crash-detectable orphan + provenance** (primary). Summarization is a slow model call persisted *after* `compact/start`. A crash mid-summarization leaves a `compact/start` with no matching `compact/end` — a detectable orphan. Releasing the lock last (rather than first) converts the crash window from *silent corruption* into that detectable orphan.
-2. **Prevents concurrent compaction.** `compactRegion` refuses to start if the current turn holds an unmatched `compact/start`. (The loop is single-threaded across either awaited automatic seam, so this is also a re-entry tripwire — a thrown "already in progress" signals a real bug.)
+2. **Prevents concurrent compaction.** Every automatic, manual, and explicit-range entry point refuses a live unmatched `compact/start`. The bracket is the single lock; no process-local mutex duplicates it.
 
-The lock excludes another compaction, not unrelated log-only facts. The basic backend snapshots the token meter's surface nodes after `compact/start` and compares them again after asynchronous summarization; any surface mutation rejects before replacement, while a title or other log-only append leaves the selected span valid.
+The lock excludes another compaction, not unrelated facts. Its markers are time points rather than an exclusive container, so durable inbox splices may appear between a standalone manual start and end. Automatic work requires whole-surface stability inside its turn. Manual work revalidates only the selected positional span, letting append-only context outside it remain visible after replacement.
 
-Two failure paths, both documented:
+The lifecycle boundary makes crash state unambiguous:
 
-- **Crash** (the loop dies mid-summarization): a dangling `compact/start`, no closer. Because `compact/*` are **log-only**, the orphan is **inert** — no summary replacement lands. The derived surface remains the durable surface present at `compact/start`: full history when pruning made no replacement, or the already-pruned history when it did. Generic turn-repair (`interruptedTurnClosers`) closes the turn with a synthetic `turn/end`; the orphan sits *before* that `turn/end`, so the turn-scoped in-progress check never sees it and a crash cannot wedge future compaction.
-- **Recoverable** (summarization throws but the loop survives): the backend appends `compact/end` with its **`error`** field set and lands no summary replacement. Post-step pressure warns and continues from the latest durable surface — full history if no replacement preceded the attempt, or the pruned surface if pruning already landed. Overflow recovery delegates only before any replacement; generation progress from earlier pruning authorizes a retry from that durable surface unless cancellation or disposal wins.
+- **Current lifecycle:** a dangling `compact/start` after the newest `session/end-seed` is the live durable lock and reports busy.
+- **Later lifecycle:** a newer constructor-written `session/end-seed` proves that the older unmatched start is stale, so resume, fork, and adoption do not remain wedged by a dead writer.
+- **Recoverable failure:** once start lands, the backend makes exactly one `compact/end { error }` attempt. Summary or stability failure leaves the conversation surface unchanged while preserving the failed attempt in the log. If the close append fails, the unmatched start remains intentionally blocking.
 
 `compact/end` keeps its `error?` field (mirroring `tool/result`'s self-contained error — one event tells success from failure without correlating a sibling). There is no separate `compact/error` event.
 
-**Core session repair stays compaction-agnostic — deliberately.** `interruptedTurnClosers` is never taught about `compact/*`. Teaching it would force every future `xxx/start … xxx/end` plugin pair to patch a core module — exactly the coupling the capability-seam architecture exists to avoid. Because the log-only orphan is inert, no special repair is needed: generic turn-repair plus the inertness of an un-landed surface mutation is sufficient.
+**Core session repair stays compaction-agnostic — deliberately.** `interruptedTurnClosers` is never taught about `compact/*`. The general `session/end-seed` lifecycle boundary supplies the evidence the compaction owner needs; the compaction invariant and backend interpret it without adding plugin-specific repair to core.
 
 ## Alternatives considered
 
-- **The full algorithm as concrete interface methods** — rejected because it recouples the contract to one retention strategy. Both core methods are abstract; reusable measurement is a separate LLM-family service and `summarize()` is basic's sole hook.
-- **Compaction on `agent/request` or provisional `agent/pre-step` inputs** — rejected because neither proves the final durable request and both couple generic lifecycle to compaction-specific envelope data. Post-step replay plus canonical overflow recovery covers both successful and rejected calls.
+- **The full algorithm as concrete interface methods** — rejected because it recouples the contract to one retention strategy. All three operations are abstract; reusable measurement is a separate LLM-family service and `summarize()` is basic's sole hook.
+- **Compaction on `agent/request` or a compaction-specific loop callback** — rejected because the former observes a provisional request and the latter couples generic lifecycle to compaction policy. Pre-step replay of the prior durable request plus canonical overflow recovery covers successful and rejected calls.
 - **A `compact` boolean or untyped request metadata map** — rejected because multiple auxiliary call kinds would become mutually exclusive flags, while an open bag would discard compiler-checked vocabulary. One typed `purpose` discriminant extends with additional call kinds without adding another `GenerateOptions` field.
 - **A separate `compact/error` event** — rejected: `compact/end` keeps an `error?` field, mirroring `tool/result`'s self-contained error — one event tells success from failure without correlating a sibling.
-- **Teaching core turn-repair about `compact/*`** — rejected: the log-only orphan is inert, and a core module patched for every future `xxx/start … xxx/end` plugin pair is exactly the coupling the capability-seam architecture exists to avoid.
+- **Teaching core turn-repair about `compact/*`** — rejected: the general end-seed boundary already distinguishes prior-lifecycle history, and patching core for every future `xxx/start … xxx/end` pair is exactly the coupling the capability-seam architecture exists to avoid.
 
 ## Consequences
 
-- **Packages**: `packages/compact/compact` supplies the interface, `compact-basic` supplies the backend, and `compact-tool-result-prune` supplies optional deterministic rewriting. `packages/llm/token-meter` owns replay-aware measurement independently. The consumer tier is deferred.
+- **Packages**: `packages/compact/compact` supplies the interface, `compact-basic` supplies the backend, `compact-tool-result-prune` supplies optional deterministic rewriting, and `command-compact` supplies human `/compact`. `packages/llm/token-meter` owns replay-aware measurement independently.
 - **Automatic seams**: `agent/pre-step` (`@mode waterfall`) handles pressure before request derivation and `agent/request-error` (`@mode waterfall`) handles final request failures after the failed step closes. Pre-step receives the claimed batch and `PreStepContext`, with no compaction-only prompt/prefix payload.
 - **`SessionEventMap`** gains `compact/start` / `compact/summary` / `compact/end` by declaration merging (merge-extensible); `SurfaceEventType` is **not** touched. These are session events, not cordis `Events`, so the event-taxonomy gate needs no entry.
 - **`dsh-compact`** owns `COMPACT_CHECKPOINT_SOURCE`, `isCompactCheckpointSource(source)`, `toolPairingBalancedBefore(session, seq)`, and `toolPairingBalancedAfter(session, seq)`. The marker identifies replacement summaries across backend implementations. The cached surface-edge checks prevent `compactRegion` and `compactIfNeeded` from splitting a tool-call/result pair, validate current membership by seq, answer both edges from one per-cut balance sequence, and reject stale or missing seqs and orphan results.
-- **`dsh-session`** validates positional replacement, complete provenance, and content-only single-node `tool/result` rewrites through its one surface manager. Its invariant companion treats fresh appended tool results as executions that require an open step and pending call; validated replacements remain turn-enclosed rewrites.
-- **Wiring**: `examples/tui-agent/cordis.yml` loads zero-config `dsh-token-meter`, `dsh-compact-tool-result-prune`, then `dsh-compact-basic`; service-wide defaults make the composition usable without repeated numeric policy.
+- **`dsh-session`** validates positional replacement, complete provenance, and content-only single-node `tool/result` rewrites through its one surface manager. Its invariant companion treats fresh appended tool results as executions that require an open step and pending call, while the compaction companion owns numeric-turn versus standalone-null bracket relations.
+- **Wiring**: `examples/tui-agent/cordis.yml` loads zero-config `dsh-token-meter`, `dsh-compact-tool-result-prune`, `dsh-compact-basic`, then `dsh-command-compact`; service-wide defaults make the composition usable without repeated numeric policy.
 
 ## Testing
 
 - **Unit:** Real Loader and invariant plugins cover whole-unit retention, pruning configuration and replay, rich-block ordering, metadata preservation, convergence, both `compact/end` outcomes, open-tail refusal, pruning-only and summarized overflow recovery, generation proof, caps, and original-error preservation.
-- **Loop:** Tests pin post-step after durable tool results and before `step/end`, actual `agent/request` routing, closed failed steps, fresh retry numbering, and complete thrown/in-band overflow → compaction → reconstructed retry composition.
+- **Loop:** Tests pin pre-step after the preceding `step/end` and before the next `step/start`, actual `agent/request` routing, closed failed steps, fresh retry numbering, and complete thrown/in-band overflow → compaction → reconstructed retry composition.
+- **Manual:** Admission, marker ordering, injection retention, live/stale orphan classification, cancellation, close/flush failures, command mapping, and the queued TUI journey are pinned without a model key.
 - **With-key e2e:** A real model and bash session with lowered limits triggers compaction, records a complete `compact/start…end` pair, shrinks the surface, and finishes the task.
 - **Snapshot gap:** Runaway-turn compaction cannot yet replay because the summarization call records no `assistant/chunk` events or `sessionId`; interleaved summarization-call replay remains follow-up work.
diff --git a/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.zh.md b/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.zh.md
index 296dad46ab..9a3521d426 100644
--- a/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.zh.md
+++ b/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.zh.md
@@ -18,10 +18,10 @@ Status: implemented
 
 遵循[能力 seam Agent Note（agent 决策记录）](../architecture/2026-06-13-capability-seams.md)，压缩以独立包（package）发布，使契约、算法和（后续的）消费方 surface 各自独立演进：
 
-1. **接口** — `@deepseek-ai/dsh-compact`：抽象 `CompactService`，拥有 `ctx.compact` 键、`CompactionResult` 词汇、`compact/*` 会话事件以及规范的检查点消息来源。它将 `compactIfNeeded()` 和 `compactRegion()` 声明为**抽象方法**——契约说明压缩*做什么*，而非*怎么做*。
+1. **接口** — `@deepseek-ai/dsh-compact`：抽象 `CompactService`，拥有 `ctx.compact` 键、`CompactionResult` 词汇、`compact/*` 会话事件、手动失败分类体系以及规范的检查点消息来源。它将 `compactIfNeeded()`、`compactNow()` 和 `compactRegion()` 声明为**抽象方法**——契约说明压缩*做什么*，而非*怎么做*。
 2. **实现** — `@deepseek-ai/dsh-compact-basic`：具体的 `BasicCompactService`，消费 `ctx.tokenMeter`，并拥有尾→头保留遍历、通过 `ctx.llm.stream()` 生成摘要、surface 替换、锁、步骤后压力处理和规范的上下文溢出恢复。`summarize()` 是其唯一的子类钩子；计价与回放仍归 meter 所有。
 3. **无模型配套服务** — `@deepseek-ai/dsh-compact-tool-result-prune`：一个具体的可选服务，在后端选择摘要范围之前，重写当前过大的 `tool/result` 节点。它不是第二种压缩实现，也不实现 `CompactService`。
-4. **消费方** — 推迟。一个 `/compact` 工具和斜杠命令将 `inject: ['compact']` 并调用契约；它们被有意排除在本 Agent Note 范围之外，以便 seam 先稳定下来。
+4. **面向用户的消费方** — `@deepseek-ai/dsh-command-compact` 通过 `ctx.commands` 注册无参数 `/compact`，并调用后端无关的 `compactNow()` 操作。它是供用户直接控制的命令，不是面向模型的工具。
 
 ### 契约依赖 `dsh-session` 和 `dsh-llm`——有意为之的偏离
 
@@ -29,11 +29,11 @@ Status: implemented
 
 这不是耦合异味，而是契约的领域所在。「仅 cordis」的指导原则一直是「接口仅依赖契约真正需要命名的东西，绝不依赖实现」的简写。`dsh-session` 和 `dsh-llm` 本身是接口/词汇包，不是实现；`dsh-compact` 仍然不导入任何后端。seam 的真正不变式——*消费方和实现在抽象服务背后独立演进*——完好无损。
 
-### 抽象 `compactIfNeeded` / `compactRegion`，算法在后端
+### 三个抽象操作，算法在后端
 
-早期草案将完整算法（保留遍历、token 求和、文本提取）作为接口上的具体方法。这会将契约重新耦合到一种策略：想要不同保留策略或事件排序的后端必须与继承来的具体代码对抗。将两个核心方法都设为抽象，把所有*怎么做*的决策放在后端，并让接口保持为*做什么*的声明。token 测量根本不是压缩钩子；单例服务使多个消费方能够共享逐会话的回放折叠。
+早期草案将完整算法（保留遍历、token 求和、文本提取）作为接口上的具体方法。这会将契约重新耦合到一种策略：想要不同保留策略或事件排序的后端必须与继承来的具体代码对抗。将三个操作都设为抽象，把所有*怎么做*的决策放在后端，并让接口保持为*做什么*的声明。token 测量根本不是压缩钩子；单例服务使多个消费方能够共享逐会话的回放折叠。
 
-`compactIfNeeded(agent, trigger, signal)` 接受显式的 `'pressure' | 'context-overflow'` 触发原因与取消信号。它只读取最新的持久化已路由请求；没有 header 就不执行工作，任何已路由的提供方/模型目标都使用单例估算器。`compactRegion(start, end, agent, signal?)` 将 `agent.session` 作为唯一会话身份，并为手动调用方保留可选 signal。默认摘要器依次从显式配置、最新记录的已路由目标和 agent 选项解析目标，并在任何 `llm/stream` 路由后记录提供方/模型对。它回放已路由请求的前缀，并将压缩指令追加为尾部 user 消息，从而复用提供方的热 KV cache；见[摘要前缀缓存 Agent Note](../bug-fix/2026-07-21-compaction-summary-prefix-cache-reuse.md)。该调用将提供方无关的 `GenerateOptions.purpose` 设为 `compaction`；适配器可以将此用途映射为对模型隐藏的传输元数据，DeepSeek 适配器会发送 `x-deepseek-harness-compact: 1`。
+`compactIfNeeded(agent, trigger, signal)` 接受显式的 `'pressure' | 'context-overflow'` 触发原因与取消信号。它只读取最新的持久化已路由请求；没有 header 就不执行工作，任何已路由的提供方/模型目标都使用单例估算器。`compactNow(agent, signal)` 会预留空闲轮次接纳，即使未达到压力也进行一次有效的平衡缩减；不存在这种范围时返回 `null`，且不写入任何内容。`compactRegion(start, end, agent, signal?)` 将 `agent.session` 作为唯一会话身份，并为显式调用方保留可选 signal。默认摘要器依次从显式配置、最新记录的已路由目标和 agent 选项解析目标，并在任何 `llm/stream` 路由后记录提供方/模型对。它回放已路由请求的前缀，并将压缩指令追加为尾部 user 消息，从而复用提供方的热 KV cache；见[摘要前缀缓存 Agent Note](../bug-fix/2026-07-21-compaction-summary-prefix-cache-reuse.md)。该调用将提供方无关的 `GenerateOptions.purpose` 设为 `compaction`；适配器可以将此用途映射为对模型隐藏的传输元数据，DeepSeek 适配器会发送 `x-deepseek-harness-compact: 1`。
 
 ### 成功的持久步骤工作完成后运行自动压力检查
 
@@ -91,42 +91,44 @@ compact/end      → log-only. Releases the lock (carries `error` on a recoverab
 
 ### 通过日志记录的锁实现阻塞，加上崩溃/可恢复失败的分类
 
-`compact/start … compact/end` 括号的存在理由，按当前实际承担的职责排序：
+`compact/start … compact/end` 标记对承担两项职责：
 
 1. **可检测的崩溃孤儿 + 来源追溯**（首要）。摘要生成是一次慢速模型调用，持久化在 `compact/start` *之后*。摘要生成中途崩溃会留下一个没有匹配 `compact/end` 的 `compact/start`——一个可检测的孤儿。最后释放锁（而非最先）将崩溃窗口从*静默损坏*转变为可检测的孤儿。
-2. **防止并发压缩。** 如果当前轮次持有未匹配的 `compact/start`，`compactRegion` 拒绝启动。（循环在任一 awaited 自动 seam 上都是单线程的，因此这也是重入绊线——抛出「already in progress」表示真正的 bug。）
+2. **防止并发压缩。** 每个自动、手动和显式范围入口点都会拒绝活动的未匹配 `compact/start`。该标记对就是唯一的锁；没有进程本地 mutex 重复承担同一职责。
 
-该锁只排除另一项压缩，不排除无关的仅日志事实。基础后端会在 `compact/start` 之后对 token meter 的 surface 节点取快照，并在异步摘要后再次比较；任何 surface 变更都会使替换前的检查失败，而标题或其他仅日志追加不会使已选范围失效。
+该锁只排除另一项压缩，不排除无关事实。其标记是时间点，而不是排他的容器，因此空闲注入的上下文可以出现在独立手动 start 与 end 之间。自动工作要求其轮次内的整个 surface 保持稳定。手动工作只重新验证所选位置 span，使其外部的仅追加上下文在替换后保持可见。
 
-两种失败路径，均有文档记录：
+生命周期边界使崩溃状态含义明确：
 
-- **崩溃**（循环在摘要生成中途死亡）：悬空的 `compact/start`，无关闭事件。由于 `compact/*` 是**仅日志**事件，孤儿是**惰性的**，不会落地摘要替换。派生 surface 保持为 `compact/start` 时已经持久化的 surface：如果修剪未产生替换，就是完整历史；如果已经修剪，就是已修剪历史。通用轮次修复（`interruptedTurnClosers`）用合成的 `turn/end` 关闭轮次；孤儿位于该 `turn/end` *之前*，因此轮次范围内的进行中检查永远看不到它，崩溃不会卡住未来的压缩。
-- **可恢复**（摘要生成抛出异常但循环存活）：后端追加设置了 **`error`** 字段的 `compact/end`，但不落地摘要替换。步骤后压力处理发出警告，并从最新的持久 surface 继续：如果尝试前没有替换，就是完整历史；如果修剪已经落地，就是已修剪 surface。溢出恢复只会在没有任何替换前委托；先前修剪带来的 generation 进展允许从该持久 surface 重试，除非取消或资源释放胜出。
+- **当前生命周期：** 最新 `session/end-seed` 之后悬空的 `compact/start` 是活动的持久锁，并报告 busy。
+- **后续生命周期：** 构造函数写入的较新 `session/end-seed` 证明更早的未匹配 start 已陈旧，因此恢复、fork 和接手不会被已死的写入方持续卡住。
+- **可恢复失败：** start 落地后，后端会恰好尝试一次 `compact/end { error }`。摘要或稳定性失败会保持会话 surface 不变，同时在日志中保留失败尝试。如果追加闭合事件失败，未匹配 start 会继续有意阻塞。
 
 `compact/end` 保留其 `error?` 字段（与 `tool/result` 的自包含错误一致——一个事件即可区分成功与失败，无需关联兄弟事件）。没有单独的 `compact/error` 事件。
 
-**核心会话修复保持对压缩无感知——这是有意为之。** `interruptedTurnClosers` 从不被教导 `compact/*`。如果教导它，每个未来的 `xxx/start … xxx/end` 插件对都必须修补核心模块——这恰好是能力 seam 架构存在的意义所要避免的耦合。由于仅日志的孤儿是惰性的，不需要特殊修复：通用轮次修复加上未落地 surface 变更的惰性就足够了。
+**核心会话修复保持对压缩无感知——这是有意为之。** `interruptedTurnClosers` 从不被教导 `compact/*`。通用 `session/end-seed` 生命周期边界提供压缩所有方所需的证据；压缩不变量与后端负责解释它，无需向核心添加插件专属修复。
 
 ## 曾考虑的替代方案
 
-- **完整算法作为接口的具体方法**——否决，因为它将契约重新耦合到一种保留策略。两个核心方法都是抽象的；可复用测量属于单独的 LLM 系列服务，`summarize()` 是 basic 唯一的钩子。
+- **完整算法作为接口的具体方法**——否决，因为它将契约重新耦合到一种保留策略。三个操作都是抽象的；可复用测量属于单独的 LLM 系列服务，`summarize()` 是 basic 唯一的钩子。
 - **在 `agent/request` 或临时 `agent/pre-step` 输入上执行压缩**——否决，因为两者都无法证明最终的持久请求，而且都会将通用生命周期耦合到压缩专属的信封数据。步骤后回放与规范溢出恢复同时覆盖成功和被拒绝的调用。
 - **`compact` 布尔值或无类型的请求元数据 map**——否决，因为多个辅助调用种类会变成互斥标志，而开放 map 会丢弃由编译器检查的词汇。一个类型化的 `purpose` 判别字段可以扩展其他调用种类，而无需再为 `GenerateOptions` 添加字段。
 - **单独的 `compact/error` 事件**——否决：`compact/end` 保留 `error?` 字段，与 `tool/result` 的自包含错误一致——一个事件即可区分成功与失败，无需关联兄弟事件。
-- **教导核心轮次修复识别 `compact/*`**——否决：仅日志的孤儿是惰性的，为每个未来的 `xxx/start … xxx/end` 插件对修补核心模块恰好是能力 seam 架构存在的意义所要避免的耦合。
+- **教导核心轮次修复识别 `compact/*`**——否决：通用 end-seed 边界已经能够区分先前生命周期的历史；为每个未来的 `xxx/start … xxx/end` 插件对修补核心模块，恰好是能力 seam 架构存在的意义所要避免的耦合。
 
 ## 后果
 
-- **包**：`packages/compact/compact` 提供接口，`compact-basic` 提供后端，`compact-tool-result-prune` 提供可选的确定性重写。`packages/llm/token-meter` 独立拥有回放感知的测量。消费方层推迟。
+- **包**：`packages/compact/compact` 提供接口，`compact-basic` 提供后端，`compact-tool-result-prune` 提供可选的确定性重写，`command-compact` 提供面向用户的 `/compact`。`packages/llm/token-meter` 独立拥有回放感知的测量。
 - **自动 seam**：`agent/pre-step`（`@mode waterfall`）在请求派生前处理压力，`agent/request-error`（`@mode waterfall`）处理失败步骤关闭后的最终请求失败。pre-step 接收已领取批次与 `PreStepContext`，不携带压缩专属的提示词/前缀 payload。
 - **`SessionEventMap`** 通过可合并扩展的声明合并获得 `compact/start` / `compact/summary` / `compact/end`；`SurfaceEventType` **未被**触及。这些是会话事件，不是 cordis `Events`，因此事件分类门禁无需新增条目。
 - **`dsh-compact`** 拥有 `COMPACT_CHECKPOINT_SOURCE`、`isCompactCheckpointSource(source)`、`toolPairingBalancedBefore(session, seq)` 与 `toolPairingBalancedAfter(session, seq)`。该标记用于跨后端实现识别替换摘要。带缓存的 surface 边缘检查会防止 `compactRegion` 和 `compactIfNeeded` 拆分工具调用/结果对，按 seq 校验当前成员关系，从每个切割点的一条平衡序列回答两侧边缘，并拒绝陈旧或缺失的 seq 与孤立结果。
-- **`dsh-session`** 通过唯一的 surface 管理器校验位置替换、完整溯源信息和仅内容的单节点 `tool/result` 重写。其不变式配套插件将新追加的工具结果视为执行，要求存在已打开的步骤与待处理调用；已校验的替换仍是位于轮次内的重写。
-- **接线**：`examples/tui-agent/cordis.yml` 依次加载零配置的 `dsh-token-meter`、`dsh-compact-tool-result-prune` 和 `dsh-compact-basic`；服务级默认值使组合无需重复数值策略即可使用。
+- **`dsh-session`** 通过唯一的 surface 管理器校验位置替换、完整溯源信息和仅内容的单节点 `tool/result` 重写。其不变式配套插件将新追加的工具结果视为执行，要求存在已打开的步骤与待处理调用，而压缩配套组件拥有数字轮次归属与独立 `null` 归属标记对之间的关系。
+- **接线**：`examples/tui-agent/cordis.yml` 依次加载零配置的 `dsh-token-meter`、`dsh-compact-tool-result-prune`、`dsh-compact-basic`，然后加载 `dsh-command-compact`；服务级默认值使组合无需重复数值策略即可使用。
 
 ## 测试
 
 - **单元测试：** 使用真实 Loader 和 invariant 插件覆盖完整单元保留、修剪配置与回放、富块顺序、元数据保留、收敛、`compact/end` 的两种结果、开放尾部拒绝、仅修剪与带摘要的溢出恢复、generation 证明、上限和原始错误保留。
 - **循环测试：** 测试固定步骤后处理发生在持久工具结果之后、`step/end` 之前，使用实际 `agent/request` 路由，关闭失败步骤，分配新的重试编号，并覆盖完整的抛出/带内溢出 → 压缩 → 重建重试组合。
+- **手动测试：** 无需模型密钥即可固定接纳、标记顺序、注入保留、活动／陈旧未匹配标记分类、取消、闭合／flush 失败、命令映射以及排队 TUI 流程。
 - **带密钥 e2e：** 真实模型和 bash 会话在降低的限制下触发压缩，记录完整的 `compact/start…end` 对，缩小 surface，并完成任务。
 - **快照缺口：** 失控轮次压缩尚无法回放，因为摘要调用未记录 `assistant/chunk` 事件或 `sessionId`；交错摘要调用的回放仍是后续工作。
diff --git a/.agents/notes/implemented/feature/2026-07-06-approval-seam.i18n.yaml b/.agents/notes/implemented/feature/2026-07-06-approval-seam.i18n.yaml
index 51ddb7e70f..48d53f1896 100644
--- a/.agents/notes/implemented/feature/2026-07-06-approval-seam.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-06-approval-seam.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-06-approval-seam.md
-2026-07-06-approval-seam.md: efb4159d736779af28edc1ae6091de4669c92f31
-2026-07-06-approval-seam.zh.md: 9a4656f30a43473fe90cde9c56d45f48943e5d10
+2026-07-06-approval-seam.md: ae143a41302b7bcd6029345fa91ca4eda837c141
+2026-07-06-approval-seam.zh.md: a66ce804167fd4de5c8dbe51d70c9b038d1ebb17
diff --git a/.agents/notes/implemented/feature/2026-07-06-approval-seam.md b/.agents/notes/implemented/feature/2026-07-06-approval-seam.md
index efb4159d73..ae143a4130 100644
--- a/.agents/notes/implemented/feature/2026-07-06-approval-seam.md
+++ b/.agents/notes/implemented/feature/2026-07-06-approval-seam.md
@@ -25,7 +25,7 @@ One `cordis.yml` entry mounts the seam. Not loading it is the fail-closed opt-ou
   #   policy: never   # deployment default for sessions without an override; 'ask' when omitted
 ```
 
-The entry alone provides mechanism, not a channel: with no answerer composed, every ask resolves `unavailable` and the asking tool call denies — fail-closed needs no configuration. Composing the ACP app (`@deepseek-ai/dsh-acp-demo`, as in [the acp-agent example's default tree](../../../../examples/acp-agent/README.md)) completes the loop: its [automation-only bridge](../simplification/2026-07-23-acp-automation-only-protocol.md) registers an answerer that sends `session/request_permission` to the owning client with the exact tool-call id and one-shot allow/reject options. `policy: never` is the unattended stance — every ask auto-rejects deterministically and is stated in the system prompt. `policy` is validated against the closed list at plugin load; anything else throws.
+The entry alone provides mechanism, not a channel: with no answerer composed, every ask resolves `unavailable` and the asking tool call denies — fail-closed needs no configuration. Composing the ACP app (`@deepseek-ai/dsh-acp-demo`, as in [the acp-agent example's default tree](../../../../examples/acp-agent/README.md)) completes the loop: its [automation-only bridge](../simplification/2026-07-23-acp-automation-only-protocol.md) registers an answerer that sends `session/request_permission` to the owning client with the exact tool-call id and one-shot allow/reject options. `policy: never` is the unattended stance — every ask auto-rejects deterministically, and the current value joins the runtime-context snapshot. `policy` is validated against the closed list at plugin load; anything else throws.
 
 What a composed deployment observes: `allowed-once` lets exactly that call proceed; rejection, dismissal, and channel absence deny with three distinct reasons the model can tell apart; a successful in-turn request lands a durable `approval/asked`/`approval/decided` pair on the asking agent's session log; nothing about a grant persists past the call that asked. An idle request or audit append failure rejects instead of returning an unaudited decision.
 
@@ -63,7 +63,7 @@ Answerers are `approval/request` waterfall listeners. Zero listeners fall throug
 
 #### The per-session policy tier
 
-The seam also owns the session-scoped `'ask' | 'never'` policy described by [the sandbox Agent Note](2026-07-06-sandbox.md). Effective policy is folded from logged switches over the deployment default. `'never'` resolves to `rejected` inside `request()` before any answerer can run; `'ask'` dispatches and otherwise falls through to `unavailable`. The prompt states only deterministic `'never'`, switch narration is coalesced, and every request still records the audit pair.
+The seam also owns the session-scoped `'ask' | 'never'` policy described by [the sandbox Agent Note](2026-07-06-sandbox.md). Effective policy is folded from logged switches over the deployment default. `'never'` resolves to `rejected` inside `request()` before any answerer can run; `'ask'` dispatches and otherwise falls through to `unavailable`. Both current values join the atomic runtime-context snapshot before each model request, so a policy switch needs no separate narration; every approval request still records the audit pair.
 
 #### The ACP answerer
 
@@ -83,7 +83,7 @@ The answerer routes through the bridge's exact-agent ownership check described b
 
 Unit tests pin outcomes, first-wins delegation, containment, cancellation, scoped routing, audit pairing, the unbypassable `'never'` policy, tool deny reasons, and ACP ownership/outcome mapping through a real scripted bridge.
 
-Snapshots record allowed and rejected sandbox escalation through `session/request_permission`, plus the `'never'` prompt and policy-switch notice. Unscripted permission prompts cancel and fail closed.
+Snapshots record allowed and rejected sandbox escalation through `session/request_permission`, plus the complete `'ask'` and `'never'` runtime-context contributions. Unscripted permission prompts cancel and fail closed.
 
 ## Deferred
 
@@ -124,7 +124,7 @@ Costs and accepted limits:
 - **What happens when the user dismisses the prompt, or the turn aborts mid-ask?** Dismissal maps to `cancelled` with its own deny text. An already-aborted signal settles `cancelled` without dispatching; an abort during the ask discards the late answer. When both audit appends commit, either path records one pair, never two.
 - **What if the client answers with an option the harness never offered?** Any selection other than the offered `allow_once` maps to `rejected` — an unknown optionId from a non-conforming client can never grant.
 - **How do subagents' approvals route?** An agent no answerer owns delegates through the whole waterfall and fails closed — in-process subagents are deliberately unanswerable. A `'never'` parent seeds that override into each in-process child's log ([decision](2026-07-25-subagent-policy-inheritance.md)), so the child is told up front instead of asking into the empty waterfall. `subagent-acp`'s child-side auto-answer is separate; routing a child's asks to the parent controller is deferred (§ Deferred).
-- **What does `policy: 'never'` actually change at runtime?** The service resolves every ask for that session to `rejected` before dispatching any answerer (in-service, so no registration order can bypass it); the system prompt states the policy; switches are narrated at boundaries; each successful auto-rejection records the audit pair.
+- **What does `policy: 'never'` actually change at runtime?** The service resolves every ask for that session to `rejected` before dispatching any answerer (in-service, so no registration order can bypass it); the next atomic runtime-context snapshot states the policy; each successful auto-rejection records the audit pair.
 - **What happens across a hot reload, or when an answerer unloads mid-session?** Answerers dispose with their owning fiber, so the next ask degrades to `unavailable` instead of hanging on a dead channel; remounting re-registers the answerer with no catch-up state.
 - **Where does a client get approval context?** The request carries the exact `callId` and the asker's human-readable `reason`; channel adapters may correlate richer tool-call state without duplicating arguments in the approval seam.
 
diff --git a/.agents/notes/implemented/feature/2026-07-06-approval-seam.zh.md b/.agents/notes/implemented/feature/2026-07-06-approval-seam.zh.md
index 9a4656f30a..a66ce80416 100644
--- a/.agents/notes/implemented/feature/2026-07-06-approval-seam.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-06-approval-seam.zh.md
@@ -25,7 +25,7 @@ Status: implemented
   #   policy: never   # deployment default for sessions without an override; 'ask' when omitted
 ```
 
-仅有这条条目只提供机制，不提供通道：没有组合应答者时，每次 ask 都解析为 `unavailable`，发起请求的工具调用被拒绝——失败关闭无需配置。组合 ACP 应用（`@deepseek-ai/dsh-acp-demo`，如 [acp-agent 示例的默认树](../../../../examples/acp-agent/README.md)）即可闭环：其[仅面向自动化的桥接层](../simplification/2026-07-23-acp-automation-only-protocol.md)注册一个应答者，向拥有该会话的客户端发送 `session/request_permission`，携带精确的工具调用 id 和一次性 allow/reject 选项。`policy: never` 是无人值守姿态：每次 ask 确定性地自动拒绝，并在系统提示词中声明。`policy` 在插件加载时对照封闭列表校验；非法值直接抛异常。
+仅有这条条目只提供机制，不提供通道：没有组合应答者时，每次 ask 都解析为 `unavailable`，发起请求的工具调用被拒绝——失败关闭无需配置。组合 ACP 应用（`@deepseek-ai/dsh-acp-demo`，如 [acp-agent 示例的默认树](../../../../examples/acp-agent/README.md)）即可闭环：其[仅面向自动化的桥接层](../simplification/2026-07-23-acp-automation-only-protocol.md)注册一个应答者，向拥有该会话的客户端发送 `session/request_permission`，携带精确的工具调用 id 和一次性 allow/reject 选项。`policy: never` 是无人值守姿态：每次 ask 都会被确定性地自动拒绝，当前值也会加入运行时上下文快照。`policy` 在插件加载时对照封闭列表校验；非法值直接抛异常。
 
 组合部署的可观测行为：`allowed-once` 仅允许该次调用继续；拒绝、关闭和通道缺失以三种不同原因拒绝，模型可以区分；轮次内成功的请求会在发起请求的 agent 的会话日志上落一对持久的 `approval/asked`/`approval/decided` 事件；授权不会在发起请求的调用结束后继续存在。空闲时的请求或审计追加失败会拒绝，而不会返回未经审计的决策。
 
@@ -63,7 +63,7 @@ tool/result      "escalated" — this one call ran under the wider mode; the gra
 
 #### 每会话策略层
 
-seam 还拥有[沙箱 Agent Note](2026-07-06-sandbox.md) 所描述的会话级 `'ask' | 'never'` 策略。生效策略由日志中记录的切换在部署默认值之上折叠而成。`'never'` 会在任何应答者运行之前，于 `request()` 内部解析为 `rejected`；`'ask'` 则派发请求，否则一路委派至 `unavailable`。提示词仅声明确定性的 `'never'`，切换叙述会被合并，每个请求仍记录审计对。
+seam 还拥有[沙箱 Agent Note](2026-07-06-sandbox.md) 所描述的会话级 `'ask' | 'never'` 策略。生效策略由日志中记录的切换在部署默认值之上折叠而成。`'never'` 会在任何应答者运行之前，于 `request()` 内部解析为 `rejected`；`'ask'` 则派发请求，否则一路委派至 `unavailable`。两个当前值都会在每次模型请求前加入原子化的运行时上下文快照，因此策略切换无需单独叙述；每次批准请求仍会记录审计对。
 
 #### ACP 应答者
 
@@ -83,7 +83,7 @@ ACP 桥只应答其会话映射所拥有的精确 agent 对象。它携带既有
 
 单元测试固定结果、先到先得的委派、错误容纳、取消、作用域路由、审计配对、不可绕过的 `'never'` 策略、工具拒绝原因，以及通过真实脚本化桥实现的 ACP 归属/结果映射。
 
-快照记录通过 `session/request_permission` 批准和拒绝沙箱升级，以及 `'never'` 提示词与策略切换通知。没有脚本化应答的权限提示会取消并失败关闭。
+快照记录通过 `session/request_permission` 批准和拒绝沙箱升级，以及完整的 `'ask'` 与 `'never'` 运行时上下文贡献。没有脚本化应答的权限提示会取消并失败关闭。
 
 ## 延后
 
@@ -124,7 +124,7 @@ ACP 桥只应答其会话映射所拥有的精确 agent 对象。它携带既有
 - **用户关闭提示或轮次在 ask 进行中中止时会发生什么？** 关闭映射为 `cancelled` 并携带自己的拒绝文本。已中止的 signal 直接结算为 `cancelled` 而不派发；ask 进行中的中止丢弃迟到的应答。当两个审计追加都提交时，任一路径都记录恰好一对事件，绝不会两对。
 - **如果客户端以 harness 从未提供的选项应答呢？** 除已提供的 `allow_once` 之外的任何选项都映射为 `rejected`——来自不合规客户端的未知 optionId 永远不能授权。
 - **subagent 的审批如何路由？** 没有应答者拥有的 agent 穿过整个 waterfall 委派并失败关闭——进程内 subagent 被刻意设计为不可应答。`'never'` 父级会把该覆盖项预置到每个进程内子 agent 的日志中（[决策](2026-07-25-subagent-policy-inheritance.md)），因此子 agent 一开始就会得知，而不是向空的 waterfall 发出 ask。`subagent-acp` 的子侧自动应答是独立的；将子 agent 的 ask 路由到父控制器已延后（§ 延后）。
-- **`policy: 'never'` 在运行时实际改变了什么？** 服务在派发任何应答者之前，将该会话的每次 ask 解析为 `rejected`（在服务内部，因此没有注册顺序能绕过它）；系统提示词声明该策略；切换在边界处被叙述；每次成功的自动拒绝都会记录审计对。
+- **`policy: 'never'` 在运行时实际改变了什么？** 服务在派发任何应答者之前，将该会话的每次 ask 解析为 `rejected`（在服务内部，因此没有注册顺序能绕过它）；下一份原子化的运行时上下文快照会声明该策略；每次成功的自动拒绝都会记录审计对。
 - **热重载或应答者在会话中途卸载时会发生什么？** 应答者随其拥有的 fiber 一起 dispose，因此下一次 ask 降级为 `unavailable` 而非挂在死通道上；重新挂载会重新注册应答者，无需追赶状态。
 - **客户端从哪里获得审批上下文？** 请求携带精确的 `callId` 和发起方的人类可读 `reason`；通道适配器可自行关联更丰富的工具调用状态，而无需在审批 seam 中重复携带参数。
 
diff --git a/.agents/notes/implemented/feature/2026-07-06-sandbox.i18n.yaml b/.agents/notes/implemented/feature/2026-07-06-sandbox.i18n.yaml
index b32d673095..5b68c6bda4 100644
--- a/.agents/notes/implemented/feature/2026-07-06-sandbox.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-06-sandbox.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-06-sandbox.md
-2026-07-06-sandbox.md: 5e4c34d397f0e7f6d977c7a5ab64e9ee62329bd5
-2026-07-06-sandbox.zh.md: 4e1d6b341967c0d5caadd4295d15fe99ce263617
+2026-07-06-sandbox.md: a8883ae641c6561765575b6a0e547ba919040dd9
+2026-07-06-sandbox.zh.md: f0d74ce2be86dadd9994616e227f5d07a2a72b99
diff --git a/.agents/notes/implemented/feature/2026-07-06-sandbox.md b/.agents/notes/implemented/feature/2026-07-06-sandbox.md
index 5e4c34d397..a8883ae641 100644
--- a/.agents/notes/implemented/feature/2026-07-06-sandbox.md
+++ b/.agents/notes/implemented/feature/2026-07-06-sandbox.md
@@ -40,7 +40,7 @@ The swap is invisible to every consumer of `ctx.bash`: the bash tools, hook comm
 
 Misconfiguration fails loud: `mode` outside the closed vocabulary is rejected at plugin load, and a host with no usable backend throws the structured `SANDBOX_UNAVAILABLE` — at `confine()` before the command ever spawns — rather than degrading to unconfined execution. `runnerCommand` on `dsh-sandbox-local` is the operator's explicit assertion of a bwrap-compatible runner (chain and probes skipped); it doubles as the deterministic fake-runner seam for keyless tests.
 
-Denied file effects return a `[sandbox: file access denied under <mode> mode]` marker and instructions not to work around the denial. A confining executor adds paired `sandbox_permissions` and `justification` fields for one approved retry that must be strictly wider than the session's effective mode. A grant widens only that retry; rejection executes nothing, returns `the user rejected escalating this command to "<mode>"`, and permits no re-ask. The prompt does not announce sandbox mode, avoiding preemptive refusal. When `dsh-permission` is composed with a UI adapter, one preset selects both knob values; unmatched values fold to `custom`. The [ACP automation composition](../../../../examples/acp-agent/README.md) does not mount that UI service and selects its deployment mode explicitly.
+Denied file effects return a `[sandbox: file access denied under <mode> mode]` marker and instructions not to work around the denial. A confining executor adds paired `sandbox_permissions` and `justification` fields for one approved retry that must be strictly wider than the session's effective mode. A grant widens only that retry; rejection executes nothing, returns `the user rejected escalating this command to "<mode>"`, and permits no re-ask. The owner-derived pending policy context states the current file policy without replacing those enforcement boundaries. When `dsh-permission` is composed with a UI adapter, one preset selects both knob values; unmatched values fold to `custom`. The [ACP automation composition](../../../../examples/acp-agent/README.md) does not mount that UI service and selects its deployment mode explicitly.
 
 ### Design detail
 
@@ -72,7 +72,7 @@ Backend profiles share the mode contract but differ in necessary host grants. La
 
 `dsh-bash-sandbox` extends `LocalBashExecutor` and hands `ctx.sandbox` the exact `['bash', '-c', command]` argv it is about to spawn. A denial is an orthogonal result fact, conservatively classified from the active runner's stderr dialect. A runner failure outranks denial: foreground execution throws `SANDBOX_UNAVAILABLE`; a settled `BashProcess` stamps `sandbox.runnerFailed`, and the bash producer renders it through generic `task_output`.
 
-The model's view is result facts only: the static tool description explains the denial marker (`[sandbox: file access denied under <mode> mode]`), encourages attempting commands that may be denied, and forbids retrying around a denial; when the escalation fields are advertised, a denied result additionally carries the escalation hint itself, so the sanctioned same-turn retry is prompted at the decision point rather than depending on the model recalling the description (§ Escalation). No prompt section states the sandbox mode (§ Per-session modes).
+The model sees the current effective file policy in the owner-derived `sandbox:policy` context, while the static tool description explains the denial marker (`[sandbox: file access denied under <mode> mode]`), encourages attempting commands that may be denied, and forbids retrying around a denial; when the escalation fields are advertised, a denied result additionally carries the escalation hint itself, so the sanctioned same-turn retry is prompted at the decision point rather than depending on the model recalling the description (§ Escalation). [The current-policy decision](2026-07-30-current-sandbox-policy-context.md) owns the context's rationale and boundaries.
 
 #### Escalation: one approved wider retry after a denial
 
@@ -105,7 +105,7 @@ interface SessionEventMap {
 
 Each owner exports the same three-piece kit: the event declaration, a pure fold (`effectiveSandboxMode(events)` / `effectiveApprovalPolicy(events)` — a `findLast`, typed to the domain's closed union), and THE write path (`setSandboxMode(session, mode)` / `setApprovalPolicy(session, policy)` — a switch IS its event; nothing mutates state out of band). No shared owner service, no generic facts map, no registry: a third knob copies the ~40-line pattern into its own package. Execution follows the fold on both sides — the bash tool's per-call stamp reads it as the middle rung of the § Escalation precedence chain, and the approval seam's `'never'` gate is [the approval Agent Note](2026-07-06-approval-seam.md)'s side of the same pattern.
 
-Sandbox mode is not narrated in the prompt; denial results report the mode when it matters, avoiding preemptive refusal based on a standing label. Approval policy is different: only `'never'` is stated because automatic rejection otherwise looks like a user decision. Policy-change notices are coalesced and delivered by the next pre-step, with log-derived fallback after restart. The notice source is inferred from event position: a knob event after the last request header is user-driven; unlogged drift is operator or config driven.
+Before each proposed step, sandbox and approval policy are rendered as ordered contributions to one desired policy-context message. The listener reconciles that message against session history, the claimed batch, and its pending `next-step` inbox entry. Once claimed and entered, the loop records the complete sourced `user/message`; both `'ask'` and `'never'` are explicit, so neither owner needs switch narration or last-told state.
 
 **The optional UI surface** is `PermissionService`: a deployment-defined preset table whose entries bundle one sandbox mode with one approval policy. The shipped `workspace-write` and `danger-full-access` presets write through to both domain setters; a knob combination outside the table is reported as `custom`. UI adapters may expose that table as a selector. The automation-only ACP transport advertises no configuration selector and mounts no permission-preset service.
 
@@ -117,10 +117,10 @@ fs/web/todo execute in-process, so their sandbox semantics are policy at their s
 
 ### Testing
 
-- **Unit:** pin platform selection and profiles, fail-closed runner classification, per-call mode/root resolution, per-process facts, escalation validation and outcomes, permission preset folding and write-through, and narrator coalescing.
+- **Unit:** pin platform selection and profiles, fail-closed runner classification, per-call mode/root resolution, per-process facts, escalation validation and outcomes, permission preset folding and write-through, and policy-context ordering and inbox reconciliation.
 - **Keyless real-runner:** exercise bwrap, Landlock, and Seatbelt against real filesystem effects at provider and bash-consumer layers; one real Cordis context concurrently drives two project sessions through shipped bash and fs tools, proving own-root success and sibling-root denial. Packed-install coverage proves the registry launcher remains executable. CI rejects a silent all-skip.
 - **With-key:** start the real ACP composition in read-only mode, let a model-driven bash write hit the runner's denial marker, then drive the bridge answerer and disk effect through granted and rejected workspace-write retries; unavailable credentials or runners self-skip.
-- **Snapshot:** pin prompt deltas and notices plus both scripted approval branches. A real ACP example scenario places its session under the user home while the deployment fallback points at `/tmp`, then pins a successful deployment-selected workspace-write mutation; this distinguishes session-root resolution from the process fallback without depending on runner-specific denial text. Other snapshots start unconfined so unrelated fixtures remain platform-independent.
+- **Snapshot:** pin the atomic current-policy context and both scripted approval branches. A real ACP example scenario places its session under the user home while the deployment fallback points at `/tmp`, then pins both the workspace-write policy-context message and a successful deployment-selected mutation; this distinguishes session-root resolution from the process fallback without depending on runner-specific denial text. Other snapshots start unconfined so unrelated fixtures remain platform-independent.
 
 ## Deferred phases
 
@@ -149,9 +149,9 @@ Each phase gets its full design when picked up, validated against the code at th
 - **Per-session dynamic tool schemas** — rejected: schemas are registry-global by design (one assembly vocabulary, the pinned-header snapshot contract), and re-registering per session would buy only what the execution-time strict-wider check already guarantees, at the cost of a per-session schema surface and header churn on every switch.
 - **Hard-match the retry to a prior denial** — rejected: command-string identity is fragile (quoting, `workdir`, env prefixes, a pipeline retried as its failing stage) — false-rejects honest retries or is trivially satisfied; the real boundary is the human seeing command + justification. Revisit only if `allow_always` grant storage ever needs machine-checkable scopes.
 - **A generic `env/state` facts map with an owner service** — rejected: approval and sandbox compose independently, so neither's state may drag in a third package; single-key folds are one `findLast` each, dissolving the owner service; no invariant spans the knobs, so atomic multi-key patches bought nothing.
-- **Narrate via `agent/user-message` + a bus event** — rejected: it presupposes a turn-entry seam that does not exist (the real seam is `agent/pre-step`), and pre-step's position serves both the coalesced turn-entry notice and the mid-turn immediacy bound with one listener.
-- **A standing prompt statement of the sandbox mode (+ a switch narrator)** — shipped first, then removed on live evidence: with `Bash commands run under the "read-only" file sandbox.` in every request, the model refused to ATTEMPT denied-then-escalatable work (five of twelve turns in the first manual session ended with zero tool calls), turning the sandbox into a soft lockout. The denial marker names the mode at the moment it matters and the escalation fields carry the recovery; the approval knob keeps its statement because an auto-rejection is behaviorally indistinguishable from a human "no".
-- **Track "last told" with its own bookkeeping events** — rejected: the `request/header` fold already records the exact prompt the model saw; parsing the closed candidate sentences back replaces a second bookkeeping stream — events are needed only where they ARE the store.
+- **Narrate each switch through `agent.inject()` plus a bus event** — rejected: independent notices expose owner ordering and intermediate combinations, while one pre-step composition can enqueue the complete current state atomically.
+- **State sandbox mode in the stable system prompt** — shipped first, then removed on live evidence: with `Bash commands run under the "read-only" file sandbox.` in every request, the model refused to ATTEMPT denied-then-escalatable work (five of twelve turns in the first manual session ended with zero tool calls), turning the sandbox into a soft lockout. The denial marker names the mode at the moment it matters and the escalation fields carry the recovery. The absence decision is superseded by [the current-policy decision](2026-07-30-current-sandbox-policy-context.md); this measurement and causal observation remain the evidence that any replacement must counter-test.
+- **Track "last told" with its own bookkeeping events** — rejected: session history records the exact policy context the model saw, while the claimed batch and pending inbox entry show what is entering or queued. Recomputing the desired message replaces a second bookkeeping stream — events are needed only where they ARE the store.
 - **Independent sandbox and approval selectors** — rejected: one deployment-defined permission preset keeps the two policy knobs coherent for UI clients that expose runtime switching.
 
 ## Consequences
@@ -160,12 +160,12 @@ What shipped pins — the tiers in Testing hold each:
 
 - A denied command retried with `sandbox_permissions` + `justification` prompts the user through the composed answerer chain; a grant runs THAT call under the wider mode (result facts say so) while every other call keeps its own effective mode; every non-grant outcome produces its distinct error text and executes nothing.
 - The escalation fields exist exactly when the mounted executor confines; a request that is not strictly wider than the call's effective mode fails closed with its own text and prompts no one; a deployment with no ApprovalService fails escalating calls closed and leaves plain calls untouched.
-- The system prompt never states the sandbox mode (an approval `'never'` policy is the one stated knob), and the whole exchange — headers, knob events, notices, approvals, results — reconstructs from the session log alone, with no event types beyond the two knob events.
-- One preset selection records only changed knob values, while a no-op selection records nothing; an approval-policy switch is narrated in at most one coalesced notice, and a committed sandbox switch is honored by the next call's stamp.
-- A resumed session's overrides apply with no catch-up state; a default changed while the process was down is narrated before the session's first new request, attributed to the operator.
+- One sourced policy-context message states the complete current sandbox and approval policies atomically; the whole exchange — context messages, headers, knob events, approval notices, approvals, and results — reconstructs from the session log alone, with no policy bookkeeping events beyond the two knob events.
+- One preset selection records only changed knob values, while a no-op selection records nothing; the next pre-step upserts both current values atomically, and a committed sandbox switch is honored by the next call's stamp.
+- A resumed session's overrides enter its first new policy-context message with no catch-up state; a composition default changed while the process was down likewise appears in that message.
 - Two concurrent sessions never see each other's state or notices.
 - Two concurrent project sessions in one Cordis context resolve independent workspace roots; bash and fs writes succeed inside the calling session's cwd and fail against its neighbor's cwd.
-- `agent-loop` is untouched — everything rides `systemPrompt.section`, `SessionEventMap` merging, `agent.inject()`, `agent/pre-step`, and capability-owned policy resolution.
+- Policy ownership stays in plugins through `SessionEventMap` merging, inbox mutation from `agent/pre-step`, and capability-owned resolution; the generic loop only claims and records the final entered batch.
 
 Costs and accepted limits:
 
@@ -178,9 +178,8 @@ Costs and accepted limits:
 - **The model may over-ask.** Escalating without denial grounding, or picking `danger-full-access` where `workspace-write` suffices: the description steers and the enum forces the ladder, but the human prompt is the actual gate; the `approval/asked` reasons make over-asking auditable, and a `prepend` policy answerer can auto-reject patterns a deployment never wants.
 - **The advertised target set is static while the effective mode is per-session** (schemas are registry-global) — a session already at the widest mode is still offered the fields. Harmless by construction: the strict-wider check at execution, not the enum, is the safety boundary — a non-widening request fails with its own text and never prompts anyone.
 - **A granted escalation is not a working sandbox.** An unavailable backend still fails closed even for a granted escalation to a confining mode — at `confine()` when the platform has no chain or every probe fails, at execution when an unprobed sole runner refuses (classified as a sandbox failure, not a command failure) — while a granted `danger-full-access` run never touches the provider at all: there the grant, not the probe, is the authority.
-- **The approval narrator's restart baseline parses prompt prose.** The closed candidate sentence is owned by the writing module itself, so a wording change is a coordinated writer+parser edit in one file; a session whose headers predate the section silently adopts the current policy without a notice.
-- **The approval section is still a dynamic prompt surface** (a `'never'` switch breaks provider prompt-prefix caching for that session). Accepted: policy switches are rare, and a model acting on a stale `'never'` is worse. The sandbox knob no longer touches the prompt at all.
-- **The model may hold a stale belief about the sandbox mode** (nothing announces a switch). Accepted deliberately: the next attempt's marker or success corrects it, and the observed failure mode of announcing — preemptive refusal — is worse than one wasted retry.
+- **Policy-context history is append-only.** A policy switch queues a complete superseding message after retained history, preserving the stable system-and-conversation prefix; unchanged state adds no message.
+- **Older policy messages remain in history.** Each full message explicitly supersedes earlier policy context, so replay and compaction need only retain the latest entered message.
 
 ## FAQ
 
@@ -191,8 +190,8 @@ Costs and accepted limits:
 - **Does the sandbox restrict network or process visibility?** No — `SandboxMode` claims FILE effects only; the bwrap profile deliberately does not unshare pid, and no backend claims network. Whether network restriction becomes its own knob is left open in § The seam.
 - **Which tools actually run confined?** OS subprocesses through `ctx.bash` — the bash tools, and hook commands transitively — plus the filesystem tools (`read`/`write`/`edit`) through the sandboxed `ctx.fs` provider (the [cross-family fs sandbox RFC](2026-07-14-cross-family-fs-sandbox.md)): bash confines via the OS runner, fs via an in-process path fence, both keying off the same `ctx.sandboxPolicy` mode. web/todo stay in-process and unfenced (web's only effect is network, outside the file-effect mode vocabulary).
 - **Does a granted escalation persist?** No. The grant is consumed by the exact foreground or background call that asked; every neighboring call keeps its own effective mode. A later background denial surfaces through `task_output` and may ground a new exact-command retry.
-- **When does a runtime mode switch take effect?** Once its session event commits, the very next capability resolution folds and stamps the new mode. The model is not told a standing mode; its next command simply behaves under the new policy, and any denial names that policy at the point of use.
-- **What survives a restart — and what if the operator changed the config default while the process was down?** Overrides replay from the session log (`effective = fold ?? config`), so a resumed session keeps its modes with zero catch-up machinery; a default that drifted offline changes behavior the same way a switch does (the approval policy, being stated, is additionally narrated with operator/config attribution).
+- **When does a runtime mode switch take effect?** Once its session event commits, the next pre-step policy-context reconciliation and the next capability resolution fold the new mode. The sourced context message records what the model was told, and any later denial names the same policy at the point of use.
+- **What survives a restart — and what if the operator changed the config default while the process was down?** Overrides replay from the session log (`effective = fold ?? config`), so a resumed session keeps its modes with zero catch-up machinery; a default that drifted offline enters the next full policy-context message.
 - **What does `enforcement: 'partial'` on a result mean?** The selected backend enforces the subset its kernel ABI governs — e.g. Landlock before ABI v3 does not govern path truncate — and says so structurally instead of refusing the host; the probe's report line distinguishes the cases. The bwrap and Seatbelt profiles govern every promised file effect by construction, so they always report `full`.
 
 ## Prior art
diff --git a/.agents/notes/implemented/feature/2026-07-06-sandbox.zh.md b/.agents/notes/implemented/feature/2026-07-06-sandbox.zh.md
index 4e1d6b3419..f0d74ce2be 100644
--- a/.agents/notes/implemented/feature/2026-07-06-sandbox.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-06-sandbox.zh.md
@@ -40,7 +40,7 @@ harness 是一个 SDK，因此约束必须是开发者可组合的能力：是
 
 配置错误大声失败：`mode` 不在封闭词汇中时在插件加载时被拒绝；主机上没有可用后端时在 `confine()` 阶段（命令 spawn 之前）抛出结构化的 `SANDBOX_UNAVAILABLE`，而非降级为无约束执行。`dsh-sandbox-local` 上的 `runnerCommand` 是运维人员对一个 bwrap 兼容 runner 的显式断言（跳过链和探测）；它同时充当 keyless 测试的确定性 fake-runner seam。
 
-被拒绝的文件操作返回 `[sandbox: file access denied under <mode> mode]` 标记，并附带不要绕过拒绝的指令。约束执行器添加配对的 `sandbox_permissions` 和 `justification` 字段，用于一次经批准的重试，该重试必须严格宽于会话的有效模式。授权仅放宽该次重试；拒绝则不执行任何内容，返回 `the user rejected escalating this command to "<mode>"`，且不允许再次请求。提示词不声明沙箱模式，以避免基于常驻标签的预防性拒绝。当 `dsh-permission` 与某个 UI 适配器一起组合时，一个 preset 同时选定两个旋钮值；不匹配的组合折叠为 `custom`。[ACP 自动化组合](../../../../examples/acp-agent/README.md)不挂载该 UI 服务，而是显式选定其部署模式。
+被拒绝的文件操作返回 `[sandbox: file access denied under <mode> mode]` 标记，并附带不要绕过拒绝的指令。约束执行器添加配对的 `sandbox_permissions` 和 `justification` 字段，用于一次经批准的重试，该重试必须严格宽于会话的有效模式。授权仅放宽该次重试；拒绝则不执行任何内容，返回 `the user rejected escalating this command to "<mode>"`，且不允许再次请求。由归属方派生的待处理策略上下文会说明当前文件策略，但不会取代这些强制执行边界。当 `dsh-permission` 与某个 UI 适配器一起组合时，一个 preset 同时选定两个旋钮值；不匹配的组合折叠为 `custom`。[ACP 自动化组合](../../../../examples/acp-agent/README.md)不挂载该 UI 服务，而是显式选定其部署模式。
 
 ### 设计细节
 
@@ -72,7 +72,7 @@ Landlock launcher 源码和包工作区位于 `native/landlock-run`，与 harnes
 
 `dsh-bash-sandbox` 扩展 `LocalBashExecutor`，并把即将 spawn 的确切 `['bash', '-c', command]` argv 交给 `ctx.sandbox`。拒绝是与其他结果正交的事实，依据当前 runner 的 stderr 方言保守分类。Runner 失败优先于拒绝：前台执行抛出 `SANDBOX_UNAVAILABLE`；结算后的 `BashProcess` 会盖章 `sandbox.runnerFailed`，bash 生产者再通过通用 `task_output` 渲染它。
 
-模型看到的仅是结果事实：静态工具描述解释拒绝标记（`[sandbox: file access denied under <mode> mode]`），鼓励尝试可能被拒绝的命令，并禁止绕过拒绝重试；当升级字段被公布时，被拒绝的结果还额外携带升级提示本身，使被认可的同轮次重试在决策点被提示，而非依赖模型回忆描述（§ 升级机制）。没有提示词段落声明沙箱模式（§ 按会话模式）。
+模型会在归属方派生的 `sandbox:policy` 上下文中看到当前有效的文件策略；静态工具描述则解释拒绝标记（`[sandbox: file access denied under <mode> mode]`），鼓励尝试可能被拒绝的命令，并禁止绕过拒绝重试。当升级字段被公布时，被拒绝的结果还会携带升级提示本身，使被认可的同轮次重试在决策点获得提示，而非依赖模型回忆描述（§ 升级机制）。[当前策略决策](2026-07-30-current-sandbox-policy-context.md)负责该上下文的理由与边界。
 
 #### 升级机制：拒绝后一次经批准的更宽重试
 
@@ -105,7 +105,7 @@ interface SessionEventMap {
 
 每个拥有者导出相同的三件套：事件声明、纯 fold（`effectiveSandboxMode(events)` / `effectiveApprovalPolicy(events)`——一个 `findLast`，类型化到领域的封闭联合），以及唯一的写入路径（`setSandboxMode(session, mode)` / `setApprovalPolicy(session, policy)`——切换即其事件；没有任何东西在带外修改状态）。无共享拥有者服务、无通用 facts map、无注册表：第三个旋钮只需将约 40 行模式复制到自己的包中。执行在两侧都遵循 fold——bash 工具的按调用盖章将其作为 § 升级机制优先级链的中间层读取，approval seam 的 `'never'` 门控是[批准 Agent Note](2026-07-06-approval-seam.md) 同一模式的另一侧。
 
-沙箱模式不在提示词中叙述；拒绝结果在需要时报告模式，避免基于常驻标签的预防性拒绝。批准策略不同：只有 `'never'` 被声明，因为自动拒绝在行为上与用户的「不」无法区分。策略变更通知被合并，由下一个步骤前检查点递送，重启后有基于日志的回退。通知来源从事件位置推断：最后一个 request header 之后的旋钮事件是用户驱动的；未记录的漂移是运维人员或配置驱动的。
+每次拟议步骤之前，沙箱策略与批准策略都会渲染为一条目标策略上下文消息中的有序贡献。监听器将该消息与会话历史、已领取批次及其待处理的 `next-step` inbox 条目协调。消息一旦被领取并进入步骤，循环就会记录完整且带来源的 `user/message`；`'ask'` 与 `'never'` 都会明确写入，因此两个归属方都无需切换叙述或「上次告知」状态。
 
 **可选的 UI 界面**是 `PermissionService`：一张部署定义的 preset 表，每个条目捆绑一个沙箱模式与一个批准策略。随附的 `workspace-write` 和 `danger-full-access` preset 写入两个领域 setter；preset 表之外的旋钮组合报告为 `custom`。UI 适配器可以把该表暴露为选择器。仅面向自动化的 ACP 传输层不公布任何配置选择器，也不挂载权限 preset 服务。
 
@@ -117,10 +117,10 @@ fs/web/todo 在进程内执行，因此它们的沙箱语义是各自 seam 层
 
 ### 测试
 
-- **单元测试：** 固定平台选择和 profile、失败关闭的 runner 分类、按调用的模式/根目录解析、按进程事实、升级验证和结果、权限 preset fold 和写入透传、以及叙述器合并。
+- **单元测试：** 固定平台选择和 profile、失败关闭的 runner 分类、按调用的模式/根目录解析、按进程事实、升级验证和结果、权限 preset fold 和写入透传、以及策略上下文排序与 inbox 协调。
 - **Keyless 真实 runner：** 在提供方和 bash 消费方层面对 bwrap、Landlock 和 Seatbelt 执行真实文件系统效果测试；一个真实 Cordis 上下文通过已交付的 bash 和 fs 工具并发驱动两个项目会话，证明在自身根目录写入成功、在兄弟根目录写入被拒绝。Packed-install 覆盖率证明注册表 launcher 保持可执行。CI 拒绝静默全跳过。
 - **With-key：** 以只读模式启动真实 ACP 组合，让模型驱动的 bash 写入命中 runner 的拒绝标记，再通过已授权与被拒绝的 workspace-write 重试驱动 bridge 应答器和磁盘效果；不可用的凭证或 runner 自动跳过。
-- **快照：** 固定提示词 delta 和通知，以及两个脚本化的 approval 分支。一个真实 ACP 示例场景把会话放在用户主目录下，同时让部署后备根目录指向 `/tmp`，然后固定一次成功的、由部署选定的 workspace-write 变更；这能区分会话根目录解析与进程后备值，而不依赖 runner 特定的拒绝文本。其他快照以无约束启动，使无关 fixture（测试前置数据）保持平台无关。
+- **快照：** 固定原子化的当前策略上下文和两个脚本化的 approval 分支。一个真实 ACP 示例场景把会话放在用户主目录下，同时让部署后备根目录指向 `/tmp`，然后固定 workspace-write 策略上下文消息与一次成功的、由部署选定的变更；这能区分会话根目录解析与进程后备值，而不依赖 runner 特定的拒绝文本。其他快照以无约束启动，使无关 fixture（测试前置数据）保持平台无关。
 
 ## 延迟阶段
 
@@ -149,9 +149,9 @@ fs/web/todo 在进程内执行，因此它们的沙箱语义是各自 seam 层
 - **按会话动态工具 schema**：否决。schema 设计上是注册表全局的（一套 assembly 词汇、固定 header 快照契约），按会话重新注册只能买到执行时严格放宽检查已保证的东西，代价是按会话的 schema 表面和每次切换的 header 变动。
 - **将重试硬匹配到先前的拒绝**：否决。命令字符串同一性脆弱（引号、`workdir`、env 前缀、作为失败阶段重试的管道）——要么误拒诚实的重试，要么被轻易满足；真正的边界是人看到命令 + 理由。仅在 `allow_always` 授权存储需要机器可检查的范围时才重新考虑。
 - **通用 `env/state` facts map 加拥有者服务**：否决。approval 和沙箱独立组合，因此任何一方的状态都不应拖入第三个包；单键 fold 各自是一个 `findLast`，拥有者服务自然消解；没有跨旋钮的不变式，因此原子多键补丁无收益。
-- **通过 `agent/user-message` + 总线事件叙述**：否决。它预设了一个不存在的轮次入口 seam（真正的 seam 是 `agent/pre-step`），而步骤前检查点的位置使一个监听器能够同时服务合并的轮次入口通知和轮中即时性约束。
-- **提示词中常驻声明沙箱模式（+ 切换叙述器）**：先交付后移除，基于实际证据：当每个请求中都有 `Bash commands run under the "read-only" file sandbox.` 时，模型拒绝尝试被拒绝后可升级的工作（首次手动会话中十二个轮次有五个以零工具调用结束），将沙箱变成了软锁定。拒绝标记在需要时命名模式，升级字段承载恢复路径；批准旋钮保留其声明，因为自动拒绝在行为上与人的「不」无法区分。
-- **用专门的簿记事件追踪「上次告知」**：否决。`request/header` fold 已记录模型看到的确切提示词；将封闭的候选句子解析回来替代了第二条簿记流——事件仅在它们本身即为存储时才需要。
+- **通过 `agent.inject()` 加总线事件逐次叙述切换**：否决。独立通知会暴露归属方顺序和中间组合，而一次 pre-step 组合可以原子排队完整的当前状态。
+- **在稳定系统提示词中声明沙箱模式**：先行交付，随后根据线上证据移除：每次请求都带有 `Bash commands run under the "read-only" file sandbox.` 时，模型会拒绝尝试本可在被拒后升级的工作（首次人工会话的十二个轮次中有五个以零工具调用结束），使沙箱变成软锁死。拒绝标记会在相关时刻指出模式，升级字段则承载恢复路径。[当前策略决策](2026-07-30-current-sandbox-policy-context.md)取代了省略策略的决策；这项测量和因果观察仍是任何替代方案必须进行反证测试的依据。
+- **用专门的簿记事件追踪「上次告知」**：否决。会话历史记录模型看到的确切策略上下文，已领取批次与待处理 inbox 条目则表明正在进入或已经排队的内容。重新计算目标消息取代了第二条簿记流——事件仅在它们本身即为存储时才需要。
 - **相互独立的沙箱与批准选择器**：否决。一个部署定义的权限 preset 让两个策略旋钮对暴露运行时切换的 UI 客户端保持一致。
 
 ## 后果
@@ -160,12 +160,12 @@ fs/web/todo 在进程内执行，因此它们的沙箱语义是各自 seam 层
 
 - 被拒绝的命令以 `sandbox_permissions` + `justification` 重试时，通过组合的应答器链提示用户；授权使该次调用在更宽模式下运行（结果事实如此报告），而其他所有调用保持各自的有效模式；每种非授权结果产生各自不同的错误文本且不执行任何内容。
 - 升级字段恰好在已挂载的执行器约束时存在；不严格宽于调用有效模式的请求以自身文本失败关闭且不提示任何人；没有 ApprovalService 的部署对升级调用失败关闭，对普通调用不影响。
-- 系统提示词从不声明沙箱模式（批准 `'never'` 策略是唯一被声明的旋钮），且整个交互——header、旋钮事件、通知、批准、结果——仅从会话日志即可重建，除两个旋钮事件外无额外事件类型。
-- 一次 preset 选择只记录发生变化的旋钮值，而无操作的选择不记录任何内容；批准策略切换最多以一条合并通知叙述，已提交的沙箱切换由下一次调用的盖章兑现。
-- 恢复的会话的覆盖直接生效，无需追赶状态；进程停止期间变更的默认值在会话的首个新请求前被叙述，归因于运维人员。
+- 一条带来源的策略上下文消息会以原子方式声明完整的当前沙箱策略与批准策略；整个交互——上下文消息、header、旋钮事件、批准通知、批准与结果——仅从会话日志即可重建，除两个旋钮事件外没有策略簿记事件。
+- 一次 preset 选择只记录发生变化的旋钮值，而无操作的选择不记录任何内容；下一次 pre-step 会原子 upsert 两个当前值，已提交的沙箱切换由下一次调用的盖章兑现。
+- 恢复会话的覆盖项会进入其首条新策略上下文消息，无需追赶状态；进程停止期间变更的组合默认值也会出现在该消息中。
 - 两个并发会话永远看不到彼此的状态或通知。
 - 同一个 Cordis 上下文中的两个并发项目会话解析各自独立的工作区根目录；bash 和 fs 写入在调用方会话的 cwd 内成功，对其相邻会话的 cwd 则失败。
-- `agent-loop` 未被触及——一切搭载 `systemPrompt.section`、`SessionEventMap` 合并、`agent.inject()`、`agent/pre-step` 和由能力拥有的策略解析。
+- 策略归属仍通过 `SessionEventMap` 合并、从 `agent/pre-step` 变更 inbox，以及由能力归属方拥有的解析留在插件中；通用循环只领取并记录最终进入步骤的批次。
 
 代价与已接受的限制：
 
@@ -178,9 +178,8 @@ fs/web/todo 在进程内执行，因此它们的沙箱语义是各自 seam 层
 - **模型可能过度请求。** 在没有拒绝依据的情况下升级，或在 `workspace-write` 足够时选择 `danger-full-access`：描述引导且枚举强制阶梯，但人的提示词是实际门控；`approval/asked` 原因使过度请求可审计，且 `prepend` 策略应答器可以自动拒绝部署永远不想要的模式。
 - **公布的目标集是静态的，而有效模式是按会话的**（schema 是注册表全局的）——已处于最宽模式的会话仍被提供这些字段。构造上无害：执行时的严格放宽检查（而非枚举）是安全边界——非放宽请求以自身文本失败且不提示任何人。
 - **授权的升级不等于可工作的沙箱。** 不可用的后端即使对授权升级到约束模式也仍然失败关闭——在平台没有链或所有探测失败时于 `confine()` 阶段，在未探测的唯一 runner 拒绝时于执行阶段（归类为沙箱失败而非命令失败）——而授权的 `danger-full-access` 运行根本不触及提供方：此时授权（而非探测）是权威。
-- **批准叙述器的重启基线解析提示词文本。** 封闭的候选句子由写入模块本身拥有，因此措辞变更是同一文件中写入器+解析器的协调编辑；header 早于该段落的会话静默采用当前策略而不发通知。
-- **批准段落仍是动态提示词表面**（`'never'` 切换会破坏该会话的提供方提示词前缀缓存）。已接受：策略切换罕见，且模型基于过时的 `'never'` 行动更糟。沙箱旋钮不再触及提示词。
-- **模型可能持有关于沙箱模式的过时信念**（没有任何东西宣布切换）。有意接受：下一次尝试的标记或成功会纠正它，而宣布的观察到的失败模式——预防性拒绝——比一次浪费的重试更糟。
+- **策略上下文历史仅追加。** 策略切换会在保留的历史之后排队一条用于取代先前消息的完整消息，从而保留稳定的系统与对话前缀；状态不变时不添加消息。
+- **旧策略消息仍保留在历史中。** 每条完整消息都会明确取代更早的策略上下文，因此回放与压缩（compaction）只需保留最新进入步骤的消息。
 
 ## FAQ
 
@@ -191,8 +190,8 @@ fs/web/todo 在进程内执行，因此它们的沙箱语义是各自 seam 层
 - **沙箱限制网络或进程可见性吗？** 不——`SandboxMode` 仅声称文件操作；bwrap profile 刻意不 unshare pid，没有后端声称网络。网络限制是否成为自己的旋钮留在 § seam 中开放。
 - **哪些工具实际在约束下运行？** 通过 `ctx.bash` 的 OS 子进程——bash 工具及传递性的钩子命令——再加上通过沙箱化 `ctx.fs` 提供方运行的文件系统工具（`read`/`write`/`edit`，见[跨工具族 fs 沙箱 Agent Note](2026-07-14-cross-family-fs-sandbox.md)）：bash 通过 OS runner 约束，fs 通过进程内路径围栏约束，二者都以同一个 `ctx.sandboxPolicy` 模式为键。web/todo 仍在进程内且不受限制（web 的唯一效果是网络，不在文件效果模式词汇内）。
 - **授权的升级会持久化吗？** 不会。授权由发起请求的确切前台或后台调用消费；每个相邻调用保留自己的有效模式。后续的后台拒绝通过 `task_output` 呈现，并且可以作为一次新的精确命令重试的依据。
-- **运行时模式切换何时生效？** 一旦其会话事件提交，紧接着的下一次能力解析就会折叠并盖章新模式。模型不被告知常驻模式；其下一个命令直接在新策略下运行，任何拒绝都会在使用点命名该策略。
-- **重启后什么存活——如果运维人员在进程停止期间改了配置默认值呢？** 覆盖从会话日志回放（`effective = fold ?? config`），因此恢复的会话以零追赶机制保持其模式；离线漂移的默认值以与切换相同的方式改变行为（批准策略因被声明，还额外以运维人员/配置归因叙述）。
+- **运行时模式切换何时生效？** 一旦其会话事件提交，下一次 pre-step 策略上下文协调与下一次能力解析都会折叠新模式。带来源的上下文消息会记录模型收到的内容，之后的任何拒绝都会在使用点命名同一策略。
+- **重启后什么存活——如果运维人员在进程停止期间改了配置默认值呢？** 覆盖从会话日志回放（`effective = fold ?? config`），因此恢复的会话以零追赶机制保持其模式；离线漂移的默认值会进入下一条完整策略上下文消息。
 - **结果上的 `enforcement: 'partial'` 是什么意思？** 所选后端强制其内核 ABI 管控的子集——例如 ABI v3 之前的 Landlock 不管控路径 truncate——并以结构化方式如此声明而非拒绝主机；探测的报告行区分各种情况。bwrap 和 Seatbelt profile 构造上管控所有承诺的文件操作，因此始终报告 `full`。
 
 ## 先例
diff --git a/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.i18n.yaml b/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.i18n.yaml
index 11674d7747..9e8573a79d 100644
--- a/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.md
-2026-07-20-dsh-cli-personal-config.md: 3331e36c86002d91fb272868268707fed014d01a
-2026-07-20-dsh-cli-personal-config.zh.md: 172d84b075ed7ecc127c317b47e30581db67f89a
+2026-07-20-dsh-cli-personal-config.md: 259c3865a9edcbc77949a9fe401af9a77e1e32c4
+2026-07-20-dsh-cli-personal-config.zh.md: 8f7c15c3c683cc855c6e3b704bfde8f87d4009d2
diff --git a/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.md b/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.md
index 3331e36c86..259c3865a9 100644
--- a/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.md
+++ b/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.md
@@ -39,9 +39,9 @@ Hot-reload interplay: the include re-applies its `patches` on every config re-re
 ## Consequences
 
 - `dsh` from any directory (and `pnpm run demo:tui`) boots the personal provider/model with zero repo changes; verified end-to-end against a personal Anthropic proxy with Opus 4.8, including a bash tool round trip.
-- Because an id-targeted patch replaces the whole `config`, a personal override restates the base fields it keeps and can drift when the base entry changes shape; the loader's entry-not-found/name-mismatch warnings are the only diagnostics.
+- Because an id-targeted patch replaces the whole `config`, a personal override restates the base fields it keeps and can drift when the base entry changes shape; the loader's entry-not-found/name-mismatch warnings and [`dsh --dump-config`](2026-07-30-dsh-dump-config.md) (which prints the composed tree those patches produce) are the diagnostics.
 - Personal patches resolve ids against the booted file's own tree, so nested-include overlays (Code Mode) are not personalized; live-run parity for those leaves is deferred.
-- `dsh-app-boot` depends on `js-yaml` (plus a load-only copy of the include's `!!js` YAML type) and, like `apps/cli`, on `@deepseek-ai/dsh-paths` for `resolveDshHome`.
+- `dsh-app-boot` depends on `js-yaml` and imports the include's `!!js` YAML dialect (`entryListSchema`) directly, and, like `apps/cli`, depends on `@deepseek-ai/dsh-paths` for `resolveDshHome`.
 - When PR #443 lands, `apps/cli/src/bin.ts`'s dispatch chain and `apps/cli/package.json`'s dependency list conflict textually; both resolve as unions (their `web`/`-p` branches plus our default-TUI branch).
 
 ## Testing
diff --git a/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.zh.md b/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.zh.md
index 172d84b075..8f7c15c3c6 100644
--- a/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-20-dsh-cli-personal-config.zh.md
@@ -39,9 +39,9 @@ PTY 冒烟测试的启动器把 `$DSH_HOME` 隔离到每个测试自己的目录
 ## Consequences
 
 - 在任意目录运行 `dsh`（以及 `pnpm run demo:tui`）即可零仓库改动地使用个人提供方/模型；已针对个人 Anthropic 代理与 Opus 4.8 端到端验证，包括一次 bash 工具往返。
-- 由于按 id 定位的补丁替换整个 `config`，个人覆盖必须复述它保留的基础字段，并可能随基础配置项形态变化而漂移；loader 的「配置项未找到/名称不匹配」警告是仅有的诊断。
+- 由于按 id 定位的补丁替换整个 `config`，个人覆盖必须复述它保留的基础字段，并可能随基础配置项形态变化而漂移；诊断手段是 loader 的「配置项未找到/名称不匹配」警告和 [`dsh --dump-config`](2026-07-30-dsh-dump-config.md)（打印这些补丁合成出的配置树）。
 - 个人补丁只在被启动文件自身的树里解析 id，因此嵌套 include 的 overlay（Code Mode）不会被个性化；这些叶子的实际运行等价性暂缓。
-- `dsh-app-boot` 依赖 `js-yaml`（外加一份只用于加载的 include `!!js` YAML 类型副本），并与 `apps/cli` 一样依赖 `@deepseek-ai/dsh-paths` 以获取 `resolveDshHome`。
+- `dsh-app-boot` 依赖 `js-yaml`，并直接导入 include 的 `!!js` YAML 方言（`entryListSchema`）；与 `apps/cli` 一样依赖 `@deepseek-ai/dsh-paths` 以获取 `resolveDshHome`。
 - PR #443 落地时，`apps/cli/src/bin.ts` 的分发链与 `apps/cli/package.json` 的依赖列表会产生文本冲突；两者都按并集解决（他们的 `web`/`-p` 分支加上我们的默认 TUI 分支）。
 
 ## Testing
diff --git a/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.i18n.yaml b/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.i18n.yaml
index 9087db9dd7..ce1ef3af95 100644
--- a/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.i18n.yaml
@@ -1,6 +1,6 @@
 # Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
-#   pnpm run verify-translation-pairing --write
-2026-07-24-model-facing-session-query-tools.md: 2a9a20a8b39dea309e759f4eb6ddcdabe25dd8be
-2026-07-24-model-facing-session-query-tools.zh.md: 7fbe746681b329b3e50ae74608a8b2e5167c5ae9
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.md
+2026-07-24-model-facing-session-query-tools.md: 82fb70349a94916af2e99b83fcbdac765aae3dd0
+2026-07-24-model-facing-session-query-tools.zh.md: 3ffc142b2a27c612bb8a3238823f536871e5ea17
diff --git a/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.md b/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.md
index 2a9a20a8b3..82fb70349a 100644
--- a/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.md
+++ b/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.md
@@ -36,7 +36,7 @@ Session-level results include the latest folded title when available. Each tool
 
 ## Host composition
 
-The consumer is an opt-in plugin. The shipped ACP and TUI apps mount `ctx.sessionQuery` for non-model consumers, while the shared Web/headless composition mounts neither the query service nor the consumer. No shipped composition mounts `@deepseek-ai/dsh-tool-session-query`, so default model requests gain no query prompt or schemas. A composition that opts in also chooses whether to mount the generic timeout and spill policies; the dedicated ACP snapshot fixture mounts both and uses private local spill storage. Generic tool presentation requires no session-query-specific client plugin.
+The consumer is an opt-in plugin. The shipped TUI, Web, and headless compositions mount both `ctx.sessionQuery` and `@deepseek-ai/dsh-tool-session-query` through their shared base, so their default model requests include the query prompt and five schemas; the automation-only ACP composition mounts neither. These compositions also supply the generic timeout and spill policies. The dedicated ACP snapshot fixture mounts the consumer and both policies explicitly, with private local spill storage. Generic tool presentation requires no session-query-specific client plugin.
 
 ## Alternatives considered
 
@@ -48,7 +48,7 @@ The consumer is an opt-in plugin. The shipped ACP and TUI apps mount `ctx.sessio
 
 ## Verification
 
-Package tests pin argument validation, filter translation, timestamp normalization, exact-workspace authorization, parent-filter preauthorization and oracle resistance, changed-observation rejection, service-diagnostic redaction for ordinary and adversarial unknown values, best-effort cyclic-cause logging, logger-failure containment, missing-identity behavior, hidden-boundary pruning, current-step exclusion, internal provider paging, exclusive search and parallel exact-read classification, count caps, exact-signal forwarding, abort-reason preservation, persistence cleanup quiescence, one-scan bounded batch title enrichment, projection-before-dequeue ordering, queued-work suppression, started-worker quiescence, per-header validation, title fallbacks, representative search/trace/read rendering, generic presentation, and disposable registration. Integration coverage uses the real SQLite FTS provider over live and persisted sessions. Shipped configuration, app composition tests, and assembled ACP request-header snapshots prove that the model-facing consumer remains absent while `ctx.sessionQuery` stays available where mounted. A package-owned Loader smoke and dedicated keyless ACP snapshot explicitly mount the consumer with timeout and spill support, pinning its prompt guidance, schemas, and path-independent exact event-read retention behavior.
+Package tests pin argument validation, filter translation, timestamp normalization, exact-workspace authorization, parent-filter preauthorization and oracle resistance, changed-observation rejection, service-diagnostic redaction for ordinary and adversarial unknown values, best-effort cyclic-cause logging, logger-failure containment, missing-identity behavior, hidden-boundary pruning, current-step exclusion, internal provider paging, exclusive search and parallel exact-read classification, count caps, exact-signal forwarding, abort-reason preservation, persistence cleanup quiescence, one-scan bounded batch title enrichment, projection-before-dequeue ordering, queued-work suppression, started-worker quiescence, per-header validation, title fallbacks, representative search/trace/read rendering, generic presentation, and disposable registration. Integration coverage uses the real SQLite FTS provider over live and persisted sessions. Shipped configuration and the TUI/Web composition tests prove that the model-facing consumer is present on the TUI, Web, and headless surfaces, while assembled ACP request-header snapshots prove that the automation surface omits it by default. A package-owned Loader smoke and dedicated keyless ACP snapshot explicitly mount the consumer with timeout and spill support, pinning its prompt guidance, schemas, and path-independent exact event-read retention behavior.
 
 ## Consequences
 
diff --git a/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.zh.md b/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.zh.md
index 7fbe746681..3ffc142b2a 100644
--- a/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-24-model-facing-session-query-tools.zh.md
@@ -36,7 +36,7 @@ Status: implemented
 
 ## 宿主组合
 
-该消费方是一个需显式启用的插件。发布的 ACP 与 TUI 应用为非模型消费方挂载 `ctx.sessionQuery`，而 Web/headless 共享组合既不挂载查询服务，也不挂载该消费方。发布的组合均未挂载 `@deepseek-ai/dsh-tool-session-query`，因此默认模型请求中不包含查询提示词或 schema。选择启用该插件的组合还要决定是否挂载通用的超时与 spill 策略；专用的 ACP 快照 fixture（测试前置数据）同时挂载这两项策略，并使用私有的本地 spill 存储。通用工具表现无需会话查询专用客户端插件。
+该消费方是一个需显式启用的插件。已交付的 TUI、Web 与无头组合通过共享 base 同时挂载 `ctx.sessionQuery` 和 `@deepseek-ai/dsh-tool-session-query`，因此其默认模型请求包含查询提示词与五个 schema；仅用于自动化的 ACP 组合两者均不挂载。这些组合还提供通用的超时与 spill 策略。专用的 ACP 快照 fixture（测试前置数据）显式挂载该消费方与这两项策略，并使用私有的本地 spill 存储。通用工具表现无需会话查询专用客户端插件。
 
 ## 考虑过的替代方案
 
@@ -48,7 +48,7 @@ Status: implemented
 
 ## 验证
 
-包级测试固定参数校验、过滤条件转换、时间戳规范化、精确工作区授权、父级过滤预授权与抵御预言机探测、变更观测拒绝、普通值与对抗性未知值的服务诊断脱敏、尽力记录循环 cause、日志失败隔离、身份缺失行为、隐藏边界裁剪、当前步骤排除、内部提供方翻页、搜索独占与精确读取并行分类、数量上限、精确信号传递、中止原因保留、持久化清理静止、单次扫描且并发有界的批量标题扩充、先投影再取出下一个任务的顺序、抑制排队工作、等待已启动 worker 静止、逐会话头校验、标题回退、代表性搜索／追踪／读取渲染、通用表现与可释放注册。集成覆盖使用真实 SQLite FTS 提供方查询实时与持久化会话。发布配置、应用组合测试与组装后的 ACP 请求头快照证明：面向模型的消费方仍未挂载，而 `ctx.sessionQuery` 在已经挂载该服务的组合中保持可用。包自身的 Loader 冒烟测试与专用无密钥 ACP 快照显式挂载该消费方，并配套启用超时与 spill 支持，固定其提示词指引、schema 以及与路径无关的精确事件读取保留行为。
+包级测试固定参数校验、过滤条件转换、时间戳规范化、精确工作区授权、父级过滤预授权与抵御预言机探测、变更观测拒绝、普通值与对抗性未知值的服务诊断脱敏、尽力记录循环 cause、日志失败隔离、身份缺失行为、隐藏边界裁剪、当前步骤排除、内部提供方翻页、搜索独占与精确读取并行分类、数量上限、精确信号传递、中止原因保留、持久化清理静止、单次扫描且并发有界的批量标题扩充、先投影再取出下一个任务的顺序、抑制排队工作、等待已启动 worker 静止、逐会话头校验、标题回退、代表性搜索／追踪／读取渲染、通用表现与可释放注册。集成覆盖使用真实 SQLite FTS 提供方查询实时与持久化会话。发布配置与 TUI/Web 组合测试证明面向模型的消费方存在于 TUI、Web 与无头界面，而组装后的 ACP 请求头快照证明自动化界面默认不包含它。包自身的 Loader 冒烟测试与专用无密钥 ACP 快照显式挂载该消费方，并配套启用超时与 spill 支持，固定其提示词指引、schema 以及与路径无关的精确事件读取保留行为。
 
 ## 后果
 
diff --git a/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.i18n.yaml b/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.i18n.yaml
index ebc2df795a..fe955d125d 100644
--- a/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.md
-2026-07-25-session-list-browsing-and-manual-order.md: 831aa53e532a75392690c330837482bb0f9c32b1
-2026-07-25-session-list-browsing-and-manual-order.zh.md: 9ad074d59c13585aa4fca46ae4d40e2deb15cde6
+2026-07-25-session-list-browsing-and-manual-order.md: bd04e7f74c8a4540d68e60ad68965e05de76bce9
+2026-07-25-session-list-browsing-and-manual-order.zh.md: 8ec5f71943a68a70f46fbd4c7702e4556b1892ec
diff --git a/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.md b/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.md
index 831aa53e53..bd04e7f74c 100644
--- a/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.md
+++ b/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.md
@@ -24,7 +24,7 @@ The group-by menu offers two modes, WorkSpace / In one list. WorkSpace mode rend
 
 ### workspace.rename
 
-`workspace.rename({ workspaceId, title })`: the title is trimmed and must be non-blank; both the same-title no-op and the duplicate check evaluate inside the host's serialized workspace-creation chain (shared with create, so concurrent create/rename cannot interleave a duplicate or an out-of-order fake success), and a conflict returns `workspace-name-conflict`. Durability goes through `setTitle`'s mutate path, and the `domain/changed` listener broadcasts the `host/workspace-changed` frame automatically. The UI is a standard modal with a client-side duplicate pre-check.
+`workspace.rename({ workspaceId, title })`: the title is trimmed and must be non-blank; both the same-title no-op and the duplicate check evaluate inside the Host's serialized workspace-operation chain (shared with create-by-name, so concurrent explicit naming operations cannot interleave a duplicate or an out-of-order fake success), and a conflict returns `workspace-name-conflict`. Path adoption may derive a title already present because canonical path, not title, owns identity ([decision](../bug-fix/2026-07-31-same-basename-workspace-adoption.md)). Durability goes through `setTitle`'s mutate path, and the `domain/changed` listener broadcasts the `host/workspace-changed` frame automatically. The UI is a standard modal with a client-side duplicate pre-check.
 
 ### Manual order: insertSessionBefore replaces activity pinning
 
@@ -34,7 +34,7 @@ The UI is HTML5 drag on session rows inside a group (workspace grouping only, ou
 
 ### Shell/region split
 
-ui-sidebar shrinks to the column-geometry shell: brand row, fold state machine, New Session, Settings, and one `sidebar.workspaces` hole; the shell↔region contract is two facts, `{ wide, expandSidebar }`. ui-workspace fully owns the browsing region (section header, search, grouped tree and flat list, every workspace dialog, drag) plus its groupBy store; the rail-state search/new-workspace icons belong to the region too and request shell expansion via `expandSidebar()`. The picker splits into the core `WorkspaceCreateFlow` (composed directly inside the region) and the thin `WorkspacePicker` wrapper (still filling ui-conversation's hero slot); the old `sidebar.workspace` picker slot and its declaration-aware deferral are deleted with it.
+ui-sidebar shrinks to the column-geometry shell: brand row, fold state machine, New Session, Settings, and one `sidebar.workspaces` hole; the shell↔region contract is two facts, `{ wide, expandSidebar }`. ui-workspace fully owns the browsing region (section header, search, grouped tree and flat list, every workspace dialog, drag) plus its groupBy store; the rail-state search/add-workspace icons belong to the region too and request shell expansion via `expandSidebar()`. The picker splits into the core `WorkspacePickFlow` (composed directly inside the region; named `WorkspaceCreateFlow` until the [one-route Note](../simplification/2026-07-31-one-route-to-add-a-workspace.md)) and the thin `WorkspacePicker` wrapper (still filling ui-conversation's hero slot); the old `sidebar.workspace` picker slot and its declaration-aware deferral are deleted with it.
 
 ## Alternatives considered
 
diff --git a/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.zh.md b/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.zh.md
index 9ad074d59c..8ec5f71943 100644
--- a/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-25-session-list-browsing-and-manual-order.zh.md
@@ -24,7 +24,7 @@ group-by 菜单提供 WorkSpace / In one list 两种模式。WorkSpace 模式按
 
 ### workspace.rename
 
-`workspace.rename({ workspaceId, title })`:title trim 后非空;同名 no-op 与重名查重都在 host 的 workspace 创建串行链内求值(与 create 共链,并发 create/rename 不能穿插出重名或乱序假成功),冲突回 `workspace-name-conflict`。落盘经 `setTitle` 的 mutate 通道,`domain/changed` 监听自动广播 `host/workspace-changed` 帧。UI 为标准 Modal,client 侧另做重名预检。
+`workspace.rename({ workspaceId, title })`：title trim 后非空；同名 no-op 与重名查重都在 Host 的 Workspace 操作串行链内求值（与按名称创建共链，并发的显式命名操作不能穿插出重名或乱序假成功），冲突返回 `workspace-name-conflict`。按路径收编可以派生出已有 title，因为拥有身份的是 canonical path，而不是 title（见[身份决策](../bug-fix/2026-07-31-same-basename-workspace-adoption.md)）。落盘经 `setTitle` 的 mutate 通道，`domain/changed` 监听自动广播 `host/workspace-changed` 帧。UI 为标准 Modal，client 侧另做重名预检。
 
 ### 手动排序:insertSessionBefore 取代活动置顶
 
@@ -34,7 +34,7 @@ UI 为组内 session 行的 HTML5 拖拽(仅 workspace 分组、非搜索态；f
 
 ### 壳/区域切分
 
-ui-sidebar 缩为列几何壳:品牌行、折叠状态机、New Session、Settings,以及一个 `sidebar.workspaces` 洞;壳与区域的契约只有两个事实 `{ wide, expandSidebar }`。ui-workspace 全权拥有浏览区域(section header、搜索、分组树与平铺、全部 workspace 对话框、拖拽)及其 groupBy store;rail 态的搜索/新建图标也归区域,经 `expandSidebar()` 请求壳展开。picker 拆为核心件 `WorkspaceCreateFlow`(区域内直接组件组合)与薄包装 `WorkspacePicker`(继续填 ui-conversation 的 hero 坑);原 `sidebar.workspace` picker 坑与声明感知延迟注册随之删除。
+ui-sidebar 缩为列几何壳:品牌行、折叠状态机、New Session、Settings,以及一个 `sidebar.workspaces` 洞;壳与区域的契约只有两个事实 `{ wide, expandSidebar }`。ui-workspace 全权拥有浏览区域(section header、搜索、分组树与平铺、全部 workspace 对话框、拖拽)及其 groupBy store;rail 态的搜索/添加工作区图标也归区域,经 `expandSidebar()` 请求壳展开。picker 拆为核心件 `WorkspacePickFlow`(区域内直接组件组合;在[单一路径 Note](../simplification/2026-07-31-one-route-to-add-a-workspace.md)之前名为 `WorkspaceCreateFlow`)与薄包装 `WorkspacePicker`(继续填 ui-conversation 的 hero 坑);原 `sidebar.workspace` picker 坑与声明感知延迟注册随之删除。
 
 ## Alternatives considered
 
diff --git a/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.i18n.yaml b/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.i18n.yaml
index b8266cdd49..d8232afa44 100644
--- a/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.md
-2026-07-25-workspace-ui-product-flow.md: b8e1ec1efe19127cad8a12405dddeec38a4ff91e
-2026-07-25-workspace-ui-product-flow.zh.md: b80b75a80671e9aa2ab59ff72c44c18a8ec5c16e
+2026-07-25-workspace-ui-product-flow.md: 7a6a41e19d2930fbcbf7ba5fc9e6809d96e23166
+2026-07-25-workspace-ui-product-flow.zh.md: a40f374fd794b11bff0de72cbc822fd638cd267c
diff --git a/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.md b/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.md
index b8e1ec1efe..7a6a41e19d 100644
--- a/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.md
+++ b/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.md
@@ -20,7 +20,7 @@ The Host provides the following GUI wiring on the Workspace entity:
 | --- | --- |
 | `workspace.list` | Returns persistent Workspaces in order and filters out Session ids that fail header validation |
 | `workspace.create({ name })` | Creates a directory and Workspace at `workspaceRoot/name`; fails on a display-name conflict |
-| `workspace.create({ path })` | Adopts an existing directory and does not create an arbitrary path |
+| `workspace.create({ path })` | Adopts an existing directory by canonical path; basename-derived display titles may repeat |
 | `workspace.delete({ workspaceId })` | Removes the Workspace registration while retaining its directory and session logs; its Sessions become Ungrouped |
 | `session.create({ workspaceId, sessionId? })` | Resolves cwd from the Workspace, idempotently creates a Session with an optional preallocated id, and attaches it |
 | `session.create({ cwd })` | Remains available to non-Workspace callers and creates an Ungrouped Session |
@@ -50,9 +50,9 @@ On initial entry, the application waits until both the Workspace and Session bas
 
 When no Workspace exists, the page creates a frontend Workspace object named `workspace` and a frontend Session that targets it. Neither writes to the Host, and the composer always accepts input; the first send materializes the Workspace, attaches the Session, and sends the message in that order.
 
-Top-level New Session, the plus button on a Workspace row, and the Workspace picker all invoke the same New Session action. An explicit Workspace id becomes the target directly; when none is specified, the action uses the most recent Workspace, or the Workspace Intent if no real Workspace exists. The Workspace picker's Use an existing folder and Create a new workspace actions immediately create a real Workspace when the user confirms, then retarget the frontend Session to it; an explicitly created empty Workspace remains even if the user sends no message.
+Top-level New Session, the plus button on a Workspace row, and the Workspace picker all invoke the same New Session action. An explicit Workspace id becomes the target directly; when none is specified, the action uses the most recent Workspace, or the Workspace Intent if no real Workspace exists. The Workspace picker's one Add workspace action ([one-route Note](../simplification/2026-07-31-one-route-to-add-a-workspace.md); it was a pair of Use-an-existing-folder and create-by-name actions when this was decided) immediately creates a real Workspace when the user confirms a directory, then retargets the frontend Session to it; an explicitly created empty Workspace remains even if the user sends no message.
 
-Create a new workspace temporarily uses the same input as both the directory name and display name. The UI prevents duplicate confirmation based on current Workspace titles, while the Host continues to reject same-name requests that bypass the UI or race concurrently. Moving Sessions across Workspaces, manual adoption from Ungrouped, and separate display-name and directory-name inputs remain outside this flow.
+A new Workspace takes its display name from the directory it was created in. Distinct canonical paths may share the same basename-derived title ([identity decision](../bug-fix/2026-07-31-same-basename-workspace-adoption.md)); explicit create-by-name and rename operations retain their duplicate-title checks. Moving Sessions across Workspaces, manual adoption from Ungrouped, and separate display-name and directory-name inputs remain outside this flow.
 
 ### First send and recovery
 
@@ -108,7 +108,7 @@ The Sidebar and conversation empty hero receive standardized actions through slo
 - Workspace list performs one reentrant bootstrap using only headers; an initialized empty registry does not initialize again after restart, and membership reads validate both the index and canonical cwd.
 - The initial default target is determined exactly once after both baselines are ready; Workspace groups are not reordered as a whole by hydration or Session activity, and an active Session moves only itself to the front.
 - A frontend Session under a real Workspace temporarily counts toward the sidebar total, while a Workspace Intent remains hidden; neither publication nor refresh leaves duplicate rows or counts.
-- Both the UI and Host reject duplicate Workspace names; cwd-only Sessions, Sessions with invalid historical cwd values, and unattached Sessions remain Ungrouped.
+- The UI and Host admit distinct same-basename directories as separate Workspaces, while explicit create-by-name and rename operations reject duplicate titles; cwd-only Sessions, Sessions with invalid historical cwd values, and unattached Sessions remain Ungrouped.
 - Confirmed Workspace deletion removes only the registration, retains the current Session, directory, files, and session log, and survives reload; package tests pin unary/frame/baseline races and failure rollback.
 - Keyless runnable snapshots cover the zero state, explicit creation, and the first send; package-level tests cover bootstrap, membership validation, ordering, idempotency, failure recovery, and arbitrary frame order.
 
diff --git a/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.zh.md b/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.zh.md
index b80b75a806..a40f374fd7 100644
--- a/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-25-workspace-ui-product-flow.zh.md
@@ -20,7 +20,7 @@ Host 在 Workspace entity 上提供以下 GUI 接线：
 | --- | --- |
 | `workspace.list` | 返回持久有序的 Workspace，并过滤未通过 header 校验的 Session id |
 | `workspace.create({ name })` | 在 `workspaceRoot/name` 创建目录和 Workspace；显示名冲突时失败 |
-| `workspace.create({ path })` | 收编已经存在的目录，不为任意路径创建目录 |
+| `workspace.create({ path })` | 按 canonical path 收编已有目录；由 basename 派生的显示名可以重复 |
 | `workspace.delete({ workspaceId })` | 移除 Workspace 注册记录，同时保留目录和会话日志；相关 Session 进入 Ungrouped |
 | `session.create({ workspaceId, sessionId? })` | 从 Workspace 解析 cwd，以可选预分配 id 幂等创建 Session 并 attach |
 | `session.create({ cwd })` | 保留给非 Workspace 调用方，创建 Ungrouped Session |
@@ -50,9 +50,9 @@ Session 自己持有首条输入并驱动一条内部流水线：必要时以预
 
 完全没有 Workspace 时，页面创建默认名为 `workspace` 的前端 Workspace 对象和指向它的前端 Session。两者不写 Host，composer 始终可输入；首次发送才依次 materialize Workspace、attach Session、发送消息。
 
-顶部 New Session、Workspace 行内加号和 Workspace picker 最终都调用同一 New Session 动作：显式 Workspace id 直接成为目标，未指定时使用最近 Workspace，没有真实 Workspace 时使用 Workspace Intent。Workspace picker 的 Use an existing folder 与 Create a new workspace 会在用户确认时立即创建真实 Workspace，再把前端 Session 定位到该 Workspace；即使用户不发送消息，显式创建的空 Workspace 也保留。
+顶部 New Session、Workspace 行内加号和 Workspace picker 最终都调用同一 New Session 动作：显式 Workspace id 直接成为目标，未指定时使用最近 Workspace，没有真实 Workspace 时使用 Workspace Intent。Workspace picker 的单一 Add workspace 动作（见[单一路径 Note](../simplification/2026-07-31-one-route-to-add-a-workspace.md)；本决策做出时是 Use an existing folder 与按名称创建两个动作）会在用户确认目录时立即创建真实 Workspace，再把前端 Session 定位到该 Workspace；即使用户不发送消息，显式创建的空 Workspace 也保留。
 
-Create a new workspace 暂时用同一个输入作为目录名和显示名。UI 根据当前 Workspace title 禁止重复确认，Host 继续拒绝绕过 UI 或并发产生的同名请求。跨 Workspace 移动 Session、从 Ungrouped 手动收编以及分别输入显示名和目录名仍不在此动线范围内。
+新建 Workspace 的显示名取自其所在目录。不同 canonical path 可以拥有相同的 basename 派生显示名（见[身份决策](../bug-fix/2026-07-31-same-basename-workspace-adoption.md)）；显式的按名称创建和重命名操作仍保留显示名重名检查。跨 Workspace 移动 Session、从 Ungrouped 手动收编以及分别输入显示名和目录名仍不在此动线范围内。
 
 ### 首次发送与恢复
 
@@ -108,7 +108,7 @@ Sidebar 与 conversation empty hero 通过 slot 获得标准化动作：`startSe
 - Workspace list 只读取 header 完成一次可重入 bootstrap；initialized 的空 registry 重启不重复初始化，成员读取同时校验索引与 canonical cwd。
 - 初始默认目标只在两份基线 ready 后确定一次；Workspace 组不因 hydration 或 Session 活跃整体重排，单个活跃 Session 只前移自身。
 - 真实 Workspace 下的前端 Session 临时计入 sidebar 数量，Workspace Intent 保持隐藏，发布与刷新都不会留下重复行或重复计数。
-- UI 与 Host 两层拒绝同名 Workspace；cwd-only Session、无效历史 cwd 和未 attach Session 保持 Ungrouped。
+- UI 与 Host 会将 canonical path 不同但 basename 相同的目录接纳为独立 Workspace，而显式的按名称创建和重命名操作会拒绝重复显示名；cwd-only Session、无效历史 cwd 和未 attach Session 保持 Ungrouped。
 - 经确认的 Workspace 删除只移除注册记录，保留当前 Session、目录、文件和会话日志，并在刷新后保持该状态；包级测试固定一元响应／帧／基线竞态和失败回滚行为。
 - keyless runnable snapshot 覆盖零态、显式创建和首次发送；包级测试覆盖 bootstrap、成员校验、排序、幂等、失败恢复及任意 frame 顺序。
 
diff --git a/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.i18n.yaml b/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.i18n.yaml
index 47416d5a30..1faf10a4c8 100644
--- a/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.md
-2026-07-27-native-workspace-directory-picker.md: 847b7a7c7844a47e534183008acfdc32e2e08125
-2026-07-27-native-workspace-directory-picker.zh.md: e484a2ba5860d43925aba82be31c803716a33bc5
+2026-07-27-native-workspace-directory-picker.md: 98f9dc9bed5358e816d4324462d5ea7657f9007f
+2026-07-27-native-workspace-directory-picker.zh.md: ca765778fae734fd47a05652aea7021328ed4ab6
diff --git a/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.md b/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.md
index 847b7a7c78..98f9dc9bed 100644
--- a/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.md
+++ b/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.md
@@ -10,7 +10,7 @@ The desktop GUI asks users to type an absolute path when they add an existing wo
 
 ## Decision
 
-Add a single-folder `host.pickDirectory` RPC and expose it through `WorkspacesService`. The workspace menu presents two flat actions: **Open local folder...** and **Create a new workspace**. Selecting a folder reuses the existing `workspace.create({ path })` flow, selects the returned workspace, and starts a blank session.
+Add a single-folder `host.pickDirectory` RPC and expose it through `WorkspacesService`. The workspace menu presents the flat **Add workspace...** action (two actions when this was decided — **Open local folder...** beside a create-by-name entry the [one-route Note](../simplification/2026-07-31-one-route-to-add-a-workspace.md) later removed). Selecting a folder reuses the existing `workspace.create({ path })` flow, selects the returned workspace, and starts a blank session.
 
 The workspace manager must upsert the returned workspace before the selection callback runs. A newly adopted directory therefore renders its basename immediately. Reopening an already registered path preserves its existing workspace title.
 
@@ -19,9 +19,9 @@ The workspace manager must upsert the returned workspace before the selection ca
 - The picker accepts one directory on macOS, Windows, and Linux.
 - Cancelling the system dialog is silent and returns `null`.
 - A duplicate path selects the existing workspace.
-- A different path whose derived title conflicts with another workspace shows a focused error with **Choose again** and **Cancel** actions.
+- A different canonical path adopts a separate Workspace even when its derived title matches another Workspace ([identity decision](../bug-fix/2026-07-31-same-basename-workspace-adoption.md)).
 - Other picker failures show a compact retryable error.
-- The existing create-by-name flow remains unchanged.
+- The create-by-name flow this decision left untouched is gone; picking a directory is now the whole of adding a workspace ([one-route Note](../simplification/2026-07-31-one-route-to-add-a-workspace.md)).
 
 ## Host boundary
 
@@ -41,9 +41,9 @@ Platform adapters invoke native tools without a shell:
 
 ## Consequences
 
-The current GUI opens one local folder through a native picker on macOS, Windows, and Linux. Cancelling changes no state, failures remain retryable, and duplicate paths are idempotent while title conflicts require an explicit new choice. The selected workspace and its displayed name refresh before a new blank session starts. Existing workspace creation by name remains available.
+The current GUI opens one local folder through a native picker on macOS, Windows, and Linux. Cancelling changes no state, failures remain retryable, duplicate paths are idempotent, and distinct same-basename paths coexist as separate Workspaces. The selected workspace and its displayed name refresh before a new blank session starts. This picker is now the only route to a workspace ([one-route Note](../simplification/2026-07-31-one-route-to-add-a-workspace.md)): the operator picks an existing directory, or creates one inside the chooser.
 
-The added host, runtime, component, and GUI tests cover the native boundary, request trust checks, cancellation and failure handling, existing-path reuse, title conflicts, and the immediate visible-name update. The privileged RPC remains specific to the local desktop carrier; a remote Web directory browser is outside this decision.
+The added host, runtime, component, and GUI tests cover the native boundary, request trust checks, cancellation and failure handling, existing-path reuse, same-basename adoption, and the immediate visible-name update. The privileged RPC remains specific to the local desktop carrier; a remote Web directory browser is outside this decision.
 
 ## Risks
 
diff --git a/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.zh.md b/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.zh.md
index e484a2ba58..ca765778fa 100644
--- a/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-27-native-workspace-directory-picker.zh.md
@@ -10,7 +10,7 @@ Status: implemented
 
 ## 决策
 
-新增一个用于选择单个文件夹的 `host.pickDirectory` RPC，并通过 `WorkspacesService` 暴露该 RPC。工作区菜单提供两个平铺操作：**打开本地文件夹…** 和 **创建新工作区**。选定文件夹后，系统复用现有的 `workspace.create({ path })` 流程，选中返回的工作区，并启动一个空白会话。
+新增一个用于选择单个文件夹的 `host.pickDirectory` RPC，并通过 `WorkspacesService` 暴露该 RPC。工作区菜单提供平铺操作 **添加工作区…**（本决策做出时是两个操作：**打开本地文件夹…** 与一个按名称创建的入口，后者已被[单一路径 Note](../simplification/2026-07-31-one-route-to-add-a-workspace.md)删除）。选定文件夹后，系统复用现有的 `workspace.create({ path })` 流程，选中返回的工作区，并启动一个空白会话。
 
 工作区管理器必须在选择回调运行前插入或更新返回的工作区。因此，新纳入的目录会立即显示其 basename。再次打开已注册的路径时，则保留该工作区现有的标题。
 
@@ -19,9 +19,9 @@ Status: implemented
 - 在 macOS、Windows 和 Linux 上，选择器一次只允许选择一个目录。
 - 取消系统对话框不会显示提示，并返回 `null`。
 - 路径重复时，选中现有工作区。
-- 如果路径不同，但其派生标题与另一个工作区冲突，则显示明确指出该冲突的错误提示，其中包含 **重新选择** 和 **取消** 操作。
+- 即使派生显示名与另一个 Workspace 相同，不同 canonical path 也会被收编为独立 Workspace（见[身份决策](../bug-fix/2026-07-31-same-basename-workspace-adoption.md)）。
 - 选择器的其他故障会显示简洁且可重试的错误提示。
-- 现有的按名称创建流程保持不变。
+- 本决策当时未触碰的按名称创建流程现已删除；选择目录就是添加工作区的全部（见[单一路径 Note](../simplification/2026-07-31-one-route-to-add-a-workspace.md)）。
 
 ## 宿主边界
 
@@ -41,9 +41,9 @@ Status: implemented
 
 ## 后果
 
-当前 GUI 可以在 macOS、Windows 和 Linux 上通过原生选择器打开一个本地文件夹。取消操作不会改变任何状态，故障仍可重试；重复路径的处理具有幂等性，标题冲突则要求用户明确重新选择。选中的工作区及其显示名称会在启动新的空白会话前完成刷新。现有的按名称创建工作区功能仍可使用。
+当前 GUI 可以在 macOS、Windows 和 Linux 上通过原生选择器打开一个本地文件夹。取消操作不会改变任何状态，故障仍可重试；重复路径的处理具有幂等性，basename 相同的不同路径则可作为独立 Workspace 共存。选中的工作区及其显示名称会在启动新的空白会话前完成刷新。该选择器现已是获得工作区的唯一路径（见[单一路径 Note](../simplification/2026-07-31-one-route-to-add-a-workspace.md)）：操作者要么选一个已有目录，要么在选择器内新建一个。
 
-新增的宿主、运行时、组件和 GUI 测试覆盖原生边界、请求信任校验、取消与故障处理、已有路径复用、标题冲突和可见名称即时更新。该特权 RPC 仍仅面向本地桌面载体；远程 Web 目录浏览器不属于本次决策范围。
+新增的宿主、运行时、组件和 GUI 测试覆盖原生边界、请求信任校验、取消与故障处理、已有路径复用、同 basename 路径收编和可见名称即时更新。该特权 RPC 仍仅面向本地桌面载体；远程 Web 目录浏览器不属于本次决策范围。
 
 ## 风险
 
diff --git a/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.i18n.yaml b/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.i18n.yaml
index 6ddc110ad6..15e38d0c7a 100644
--- a/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-27-tmux-location-context.md
-2026-07-27-tmux-location-context.md: ad39071ab8caf34375e37877ea4a7b5bc66f4613
-2026-07-27-tmux-location-context.zh.md: 39e2bde934e0318d4d768a2ef7aee6994cfba378
+2026-07-27-tmux-location-context.md: dc9e559d1ed5cbb419901303a81e69cb0d0ba828
+2026-07-27-tmux-location-context.zh.md: 499917ed7e246fc90ac156fc421dbd52fb92bc36
diff --git a/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.md b/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.md
index ad39071ab8..dc9e559d1e 100644
--- a/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.md
+++ b/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.md
@@ -12,7 +12,7 @@ tmux exposes this without a daemon: `$TMUX_PANE` names the process's pane, and `
 
 ## Decision
 
-`@deepseek-ai/dsh-tmux-context` is an opt-in function plugin in `packages/context/tmux-context/`, alongside the other bounded request-context enrichments that define neither a tool nor a service. Shipped examples do not mount it because tmux-location disclosure and its token cost are deployment policy.
+`@deepseek-ai/dsh-tmux-context` is an opt-in function plugin in `packages/context/tmux-context/`, alongside the other bounded request-context enrichments that define neither a tool nor a service. The shipped TUI mounts it because terminal-multiplexer context is specific to that surface; `dsh-agent-spine-demo` and the Web/headless surfaces stay silent.
 
 **Pull on the first step of each turn, not a tmux push.** The plugin prepends an `agent/pre-step` listener and acts only when `step === 1`. A pull model needs no background process, no hook installation in the user's tmux, and no teardown; it re-reads current state each turn so a moved, renamed, or re-laid-out pane is picked up naturally. Gating on the first step makes the reading per-turn: a location is stable within a turn, and re-querying every step would add cost without new information. A pane moved mid-turn is reflected on the next turn, which is the accepted tradeoff for the simpler design.
 
@@ -42,7 +42,7 @@ The published `./invariant` companion registers no runtime check: a reading is a
 
 ## Consequences
 
-An agent booted inside tmux now receives its own session/window/pane location and window layout as durable, source-attributed context, updated per turn when the location changes. Deployments opt in through cordis.yml; the default spine and shipped examples stay silent. Outside a real tmux pane — including a terminal that merely inherited `$TMUX`/`$TMUX_PANE` — or without a `ctx.bash` executor, the plugin is inert with no error, so composing it is safe everywhere. Because the reading is one durable `user/message`, it survives compaction as ordinary history, contributes nothing to system-prompt assembly or request headers, and costs at most one two-line message per changed turn. The pull model adds one `tmux display-message` subprocess (through the sandboxed bash seam) on the first step of each turn that is due. The optional interval floor is checked before the query and so suppresses both; an unchanged location is detected only by comparing the returned state, so it suppresses the injection while still paying for the query.
+An agent booted inside tmux now receives its own session/window/pane location and window layout as durable, source-attributed context, updated per turn when the location changes. The shipped TUI opts in; custom deployments may compose the plugin directly. Outside a real tmux pane — including a terminal that merely inherited `$TMUX`/`$TMUX_PANE` — or without a `ctx.bash` executor, the plugin is inert with no error, so composing it is safe everywhere. Because the reading is one durable `user/message`, it survives compaction as ordinary history, contributes nothing to system-prompt assembly or request headers, and costs at most one two-line message per changed turn. The pull model adds one `tmux display-message` subprocess (through the sandboxed bash seam) on the first step of each turn that is due. The optional interval floor is checked before the query and so suppresses both; an unchanged location is detected only by comparing the returned state, so it suppresses the injection while still paying for the query.
 
 ## Testing
 
diff --git a/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.zh.md b/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.zh.md
index 39e2bde934..499917ed7e 100644
--- a/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-27-tmux-location-context.zh.md
@@ -12,7 +12,7 @@ tmux 无需守护进程即可暴露这些信息：`$TMUX_PANE` 标识进程所
 
 ## 决策
 
-`@deepseek-ai/dsh-tmux-context` 是位于 `packages/context/tmux-context/` 的可选启用型函数插件，与其他既不定义工具也不定义服务的有界请求上下文增强并列。随附示例不挂载它，因为 tmux 位置披露及其 token 成本属于部署策略。
+`@deepseek-ai/dsh-tmux-context` 是位于 `packages/context/tmux-context/` 的可选启用型函数插件，与其他既不定义工具也不定义服务的有界请求上下文增强并列。已交付的 TUI 会挂载它，因为终端复用器上下文是该界面特有的；`dsh-agent-spine-demo` 与 Web／无头界面保持沉默。
 
 **在每轮的第一个 step 拉取，而非 tmux 推送。** 插件前置注册一个 `agent/pre-step` 监听器，仅在 `step === 1` 时动作。拉取模型无需后台进程、无需在用户的 tmux 中安装 hook、也无需清理；它每轮重新读取当前状态，因此被移动、改名或重新布局的 pane 都会被自然感知。以第一个 step 为门槛使读数按轮次生成：位置在一轮内是稳定的，逐步骤重复查询只会增加成本而不带来新信息。轮次中途移动的 pane 会在下一轮反映，这是换取更简单设计所接受的取舍。
 
@@ -42,7 +42,7 @@ window active=<0|1>, pane active=<0|1>, layout <window-layout>
 
 ## 后果
 
-启动于 tmux 内的 agent 现在会以持久、带来源标记的上下文收到自身的 session/window/pane 位置及 window 布局，并在位置变化时按轮次更新。部署方通过 cordis.yml 选择启用；默认 spine 与随附示例保持沉默。在真实 tmux pane 之外——包括仅继承了 `$TMUX`／`$TMUX_PANE` 的终端——或没有 `ctx.bash` 执行器时，插件保持惰性且不报错，因此在任何地方组合它都安全。由于读数是一条持久的 `user/message`，它作为普通历史经受压缩，对系统提示装配与请求头毫无贡献，且每个发生变化的轮次至多花费一条两行消息。拉取模型在每个到期轮次的第一个 step 增加一次 `tmux display-message` 子进程（经沙箱化的 bash seam）。可选的间隔下限在查询之前检查，因此同时抑制查询与注入；而位置未变化只能通过比较查询返回的状态得知，因此它只抑制注入，查询开销仍会付出。
+启动于 tmux 内的 agent 现在会以持久、带来源标记的上下文收到自身的 session/window/pane 位置及 window 布局，并在位置变化时按轮次更新。已交付的 TUI 选择启用；自定义部署可直接组合该插件。在真实 tmux pane 之外——包括仅继承了 `$TMUX`／`$TMUX_PANE` 的终端——或没有 `ctx.bash` 执行器时，插件保持惰性且不报错，因此在任何地方组合它都安全。由于读数是一条持久的 `user/message`，它作为普通历史经受压缩，对系统提示装配与请求头毫无贡献，且每个发生变化的轮次至多花费一条两行消息。拉取模型在每个到期轮次的第一个 step 增加一次 `tmux display-message` 子进程（经沙箱化的 bash seam）。可选的间隔下限在查询之前检查，因此同时抑制查询与注入；而位置未变化只能通过比较查询返回的状态得知，因此它只抑制注入，查询开销仍会付出。
 
 ## 测试
 
diff --git a/.agents/notes/implemented/feature/2026-07-27-web-session-search.i18n.yaml b/.agents/notes/implemented/feature/2026-07-27-web-session-search.i18n.yaml
new file mode 100644
index 0000000000..0aed75f807
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-27-web-session-search.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-27-web-session-search.md
+2026-07-27-web-session-search.md: 9a634c586a4793d1c6986a7e7c0b0c1157b5b687
+2026-07-27-web-session-search.zh.md: 5ec2baf7443aaaaa75abc348ee426df9c14fbaa2
diff --git a/.agents/notes/implemented/feature/2026-07-27-web-session-search.md b/.agents/notes/implemented/feature/2026-07-27-web-session-search.md
new file mode 100644
index 0000000000..9a634c586a
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-27-web-session-search.md
@@ -0,0 +1,44 @@
+# Agent Note: Web past-session search
+
+Status: implemented
+
+English | [中文](2026-07-27-web-session-search.zh.md)
+
+## Problem
+
+The Web sidebar exposes session titles and Workspace membership but cannot retrieve a past conversation from words that appear only inside its messages. Scanning histories in the browser would require attaching or loading every session, duplicate the existing indexed-search service, and make cold persisted sessions both slow and easy to omit. The product also needs a predictable failure path: an unavailable derived index must not erase title matches that the client can compute locally.
+
+## Decision
+
+The shared Web/headless composition mounts [`@deepseek-ai/dsh-session-query-sqlite`](../../../../packages/session-query/session-query-sqlite/README.md) with `openAt: first-search` and an in-memory database. The service is ACTIVE at boot, while its `node:sqlite` module and connection-private handle open only on the first content query. This keeps Node 22 startup output free of SQLite's experimental warning before search is used without promising to suppress the warning when search first imports the module. Each service instance owns its index, preserving the SQLite backend's single-owner contract across parallel CLI or Web invocations without leaving process-scoped derived files behind. The database starts empty and lazily reconciles live and persisted sessions on that first query. It remains a disposable derived index, separate from canonical JSONL persistence.
+
+The host gateway exposes `session.search` through the existing typed RPC stack. It derives the authorization set from the same visible summaries as `session.list`, asks `ctx.sessionQuery.searchSessions` for globally ranked current-surface `user/message`, `assistant/message`, and `steering/message` matches, and consumes provider pages until it has 20 authorized sessions plus one lookahead or exhausts the stream. The first provider page requests 20 hits; a first-page `SESSION_QUERY_INVALID_LIMIT` halves that size through 10, 5, 2, and 1, retaining the learned size across continuations and stale-generation restarts. Every hit's session id, best-match session id, surface, and event type are revalidated before its snippet leaves the Host. Emitted snippets contain at most 240 Unicode code points; the Host and wire schema share the protocol bounds and code-point-safe truncation helper, while the wire schema independently enforces the snippet bound at client parse. Keeping the potentially large authorization set out of SQLite bindings avoids the portable variable ceiling while preserving global ranking. The response remains one bounded page; `hasMore` tells the UI to ask for a narrower query rather than exposing pagination. A stale continuation discards the current attempt's partial results, deduplication entries, and cursors, then restarts from the first page against the original visibility snapshot. Limit probes and stale retries share the limit of 100 provider calls (and therefore at most 2,000 inspected hits); a page larger than its requested limit, a repeated continuation cursor, or a still-unexhausted stream at that call budget fails closed as an `internal` business error. The carrier signal cancels superseded work, including persistence listing, bounded batches of cold-session metadata stats, and each provider call, and wins over a concurrent limit or stale rejection. A missing query service or an unrecovered indexing/query failure remains a business error and does not mutate the canonical session store.
+
+[`WorkspaceBrowser`](../../../../packages/client/ui-workspace/README.md) keeps metadata and content search deliberately separate. Its default copy is English, and its input plus defensive request path remove NUL and cap queries at the request schema's 500 UTF-16 code units without splitting a surrogate pair. A non-blank query immediately computes case-insensitive title and Workspace substring matches from the Session list, starts a 250 ms debounced content request, aborts the preceding request when the query changes, and ignores stale completions. It merges local matches first in recency order with backend-ranked content-only matches, deduplicates by session id, and renders a flat list regardless of the normal grouping mode. Each row shows the title, Workspace, and an available one-line snippet. Selecting a row opens the Session only and preserves the query; it does not navigate to an exact event.
+
+The result bound is one protocol constant, not per-connection state. `SESSION_SEARCH_RESULT_LIMIT` lives beside the response schema that enforces it in `dsh-host-apiproxy`, and `SessionsService.searchResultLimit` re-exposes that constant for presentation plugins. Reaching it from a feature is an explicit widening of the sessions domain: `ISessions` — the face injected as `ctx.sessions`, and therefore what the test runtime's sessions double must implement — declares the search verb next to that bound. The connection handle does not carry it: a per-connection field would imply a transport-varying or server-negotiated bound that the schema's fixed `max` forbids, and would leave the same fact with two homes in the same module.
+
+Content matching inherits the SQLite backend's normalized literal token/phrase semantics. The shared semantic projection excludes reasoning blocks, so UI search never returns a model's private reasoning as a hit or snippet; the derived-index schema version advances so existing persistent indexes rebuild without the former documents. FTS5 operators are inert data, and this surface adds no typo, fuzzy, prefix, or arbitrary-substring expansion. In particular, the `unicode61` tokenizer may treat an uninterrupted Chinese sequence as one token, so a shorter query such as `搜索` is not guaranteed to match inside `会话搜索功能`. Title and Workspace matching remains ordinary client-side substring matching.
+
+## Failure and visibility contract
+
+Search never widens session visibility: cold sessions without a servable cwd are absent for the same reason they are absent from `session.list`, and only provider hits whose ids occur in that baseline can leave the Host. Shadowed and log-only events, tool events outside message content, errors, todos, and other trace records do not produce UI hits.
+
+While the first or a later content request is pending, the UI keeps immediate metadata matches and shows a history-search status. If the backend fails, the same rows remain and a warning explains that content search is unavailable. Zero merged rows produce an explicit empty state. More than 20 candidate rows produce a refine-query hint.
+
+## Alternatives considered
+
+- **Scan every session history in the browser** — rejected because it attaches transport and fold cost to the UI, misses cold logs unless they are loaded, and duplicates the semantic extraction and source reconciliation already owned by `ctx.sessionQuery`.
+- **Make trigram or fuzzy search part of the first release** — rejected because it changes index size, ranking, short-query behavior, and product expectations. Trigrams also do not by themselves solve two-character queries. The first release uses the existing backend contract and leaves recall expansion as a separate measured decision.
+- **Return event addresses and jump to the exact match** — rejected for this release because conversation virtualization and stable event navigation need a separate UI contract. Session-level navigation is useful without coupling search to that work.
+- **Expose cursor pagination in the sidebar** — rejected in favor of a fixed top-20 surface and a narrow-query hint; this keeps the interaction and cancellation state bounded.
+
+## Consequences
+
+Past persisted conversations become discoverable without opening them first, while the host retains one visibility boundary and one semantic-index implementation. Immediate local results hide most request latency, cancellation prevents obsolete queries from repainting the list, and backend failure degrades to the behavior available before content search.
+
+The first content query can take longer because it imports and opens SQLite before paying lazy reconciliation. Search quality is token/phrase recall rather than fuzzy or arbitrary substring recall, including the documented continuous-Chinese limitation. Results are session-level, capped at 20, and have no paging or exact-message navigation. A valid but pathologically unselective or repeatedly stale provider attempt that does not complete within 100 calls takes the metadata-only failure path instead of consuming unbounded work.
+
+## Testing
+
+Host tests pin request and response validation, visible-session filtering, event/surface filters, result and snippet bounds, adaptive provider limits inside the shared call budget, learned-limit stale restarts, cursor and cross-page deduplication behavior, cancellation precedence, and failure mapping. SQLite lifecycle tests pin eager activation, first-search opening and failure, shared readiness, and unopened disposal; semantic extraction and SQLite/fixture search tests pin exclusion of reasoning-only text. The Node 22 compatibility gate builds the CLI and Web artifacts, boots the shipped `dsh web`/`AppCLIEntry` composition under plain Node with ambient warning suppression removed and an isolated temporary home/provider environment, waits for settled startup, and disposes it through the shipped signal path. Fixture, runtime, and UI tests pin match-centered bounded snippets, stateless delegation, the 500-code-unit query boundary, debounce/abort/stale-response behavior, local fallback, merge order, deduplication, English copy, ARIA tree membership, row rendering, and navigation semantics. A keyless assembled Web test preserves the lazy-open config while seeding an unopened persisted conversation, finds it by visible message content through the SQLite index, captures the sidebar result, opens it, and verifies that the query remains.
diff --git a/.agents/notes/implemented/feature/2026-07-27-web-session-search.zh.md b/.agents/notes/implemented/feature/2026-07-27-web-session-search.zh.md
new file mode 100644
index 0000000000..5ec2baf744
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-27-web-session-search.zh.md
@@ -0,0 +1,44 @@
+# Agent Note: Web 历史会话搜索
+
+Status: implemented
+
+[English](2026-07-27-web-session-search.md) | 中文
+
+## 问题
+
+Web 侧边栏会展示会话标题及其 Workspace 归属，但无法根据只出现在消息中的词语检索历史对话。在浏览器中扫描历史记录，需要附加或加载每个会话，重复实现现有的索引搜索服务，也会让冷态持久化会话的检索既缓慢又容易遗漏。产品还需要一条可预测的故障路径：派生索引不可用时，不得抹去客户端能够在本地计算出的标题匹配结果。
+
+## 决策
+
+Web 与 headless 共用的组合会使用 `openAt: first-search` 和内存数据库挂载 [`@deepseek-ai/dsh-session-query-sqlite`](../../../../packages/session-query/session-query-sqlite/README.md)。服务启动时处于 ACTIVE 状态，而其 `node:sqlite` 模块与连接私有句柄分别要到首次内容查询才会导入和打开。这让 Node 22 的启动输出在使用搜索前不会出现 SQLite 实验性警告，但并不承诺在首次搜索导入该模块时抑制警告。每个服务实例都独占自己的索引，因此并行 CLI 或 Web 调用可维持 SQLite 后端的单一所有者契约，又不会留下进程级派生文件。数据库从空状态启动，并在该首次查询时惰性对齐实时会话与持久化会话。它仍是与规范 JSONL 持久化相互独立的可丢弃派生索引。
+
+宿主网关通过现有的类型化 RPC 栈公开 `session.search`。它根据 `session.list` 使用的同一组可见摘要推导授权集合，向 `ctx.sessionQuery.searchSessions` 请求全局排序后的当前 surface `user/message`、`assistant/message` 和 `steering/message` 匹配项，并持续消费提供方分页，直到获得 20 个已授权会话及一个前瞻项，或结果流耗尽。首个提供方页面请求 20 个命中；如果第一页返回 `SESSION_QUERY_INVALID_LIMIT`，页面大小会依次折半为 10、5、2、1，并在续传和陈旧世代重启中沿用探测所得的大小。每个命中的会话 id、最佳匹配会话 id、surface 和事件类型都会经过重新校验，其 snippet 才能离开宿主。发出的 snippet 最多包含 240 个 Unicode 码点；宿主与传输 schema 共用协议边界及码点安全的截断辅助函数，而传输 schema 会在客户端解析时独立强制执行 snippet 上限。将可能很大的授权集合排除在 SQLite 绑定之外，可避开可移植变量上限，同时保持全局排序。响应仍只有一个有界页面；`hasMore` 会指示 UI 提示用户缩小查询范围，而不是公开分页能力。陈旧的续传会丢弃当前尝试的部分结果、去重条目和游标，然后依据原始可见性快照从第一页重新开始。上限探测与陈旧重试共用 100 次提供方调用的限制（因此最多检查 2,000 个命中）；如果某页命中数超过其请求的上限、续传游标重复，或用尽该调用预算后结果流仍未耗尽，都会直接返回 `internal` 业务错误，不返回部分结果。载体信号会取消已被取代的工作，包括持久化列表枚举、分批受限执行的冷会话元数据 stat，以及每一次提供方调用；即使同时收到上限拒绝或陈旧拒绝，也以取消为准。查询服务缺失或索引／查询故障无法恢复时，仍作为业务错误处理，不会修改规范会话存储。
+
+[`WorkspaceBrowser`](../../../../packages/client/ui-workspace/README.md) 有意将元数据搜索与内容搜索保持独立。其默认界面文案为英文；输入框及防御性请求路径会移除 NUL，将查询限制在请求 schema 规定的 500 个 UTF-16 code unit 内且不会拆分 surrogate pair。非空白查询会立即从会话列表中计算不区分大小写的标题和 Workspace 子串匹配，在 250 ms 防抖后发起内容请求，在查询变化时中止前一请求，并忽略陈旧的完成结果。它先按新近程度排列本地匹配，再合并由后端排序且仅匹配内容的结果，按会话 id 去重；无论常规分组模式如何，最终都渲染为扁平列表。每一行显示标题、Workspace，并在存在时显示一行摘要片段。选择某一行只会打开对应会话，并保留查询条件；不会跳转至确切事件。
+
+结果上限是单一协议常量，而非逐连接状态。`SESSION_SEARCH_RESULT_LIMIT` 位于 `dsh-host-apiproxy` 中强制执行它的响应 schema 旁边，`SessionsService.searchResultLimit` 则把该常量重新公开给呈现插件。功能包要取用它，必须显式扩展 sessions 域的对外面：`ISessions`（即注入为 `ctx.sessions` 的那个面，也因此是测试运行时的 sessions 替身必须实现的面）在该上限旁声明了搜索动作。连接 handle 不携带它：逐连接字段会暗示该上限随传输层变化或由服务端协商，而 schema 固定的 `max` 恰恰禁止这一点，并且会让同一事实在同一模块内拥有两处归属。
+
+内容匹配沿用 SQLite 后端经过规范化的字面 token／短语语义。共享语义投影会排除推理（reasoning）块，因此 UI 搜索绝不会将模型的私有推理作为命中或 snippet 返回；派生索引的 schema 版本会随之前进，使现有持久化索引重建并移除先前的这些文档。FTS5 运算符只作为数据处理，此搜索界面不提供拼写错误纠正、模糊匹配、前缀匹配或任意子串扩展。特别是，`unicode61` 分词器可能将一段连续中文视作单个 token，因此不保证 `搜索` 之类的较短查询能匹配 `会话搜索功能` 的内部片段。标题与 Workspace 匹配仍采用普通的客户端子串匹配。
+
+## 故障与可见性契约
+
+搜索绝不会扩大会话可见范围：没有可供服务的 cwd 的冷会话会被排除，原因与它们不出现在 `session.list` 中相同；只有 id 位于这条基线中的提供方命中才能离开宿主。被遮蔽事件和纯日志事件、消息内容之外的工具事件、错误、待办事项及其他追踪记录都不会产生 UI 命中结果。
+
+首个或后续内容请求仍在处理期间，UI 会保留即时元数据匹配结果，并显示历史搜索状态。如果后端失败，这些行会保持不变，并显示警告说明内容搜索不可用。合并后没有任何行时，界面会显示明确的空状态。候选行超过 20 条时，界面会提示用户缩小查询范围。
+
+## 曾考虑的替代方案
+
+- **在浏览器中扫描每个会话的历史记录**：不予采纳，因为这会让 UI 承担传输与折叠开销；除非加载冷态日志，否则还会漏掉这些日志；并会重复实现已经由 `ctx.sessionQuery` 负责的语义提取与源对齐。
+- **首版即加入 trigram 或模糊搜索**：不予采纳，因为这会改变索引大小、排序、短查询行为与产品预期。trigram 本身也无法解决双字查询。首版沿用现有后端契约，将召回扩展留作另一项基于度量结果的决策。
+- **返回事件地址并跳转至确切匹配位置**：本版不予采纳，因为对话虚拟化与稳定的事件导航需要单独的 UI 契约。会话级导航本身已有价值，无需让搜索与这项工作耦合。
+- **在侧边栏公开游标分页**：不予采纳，改为固定显示前 20 条结果并提示缩小查询范围；这样可使交互与取消状态保持有界。
+
+## 后果
+
+无需预先打开，即可检索到历史持久化对话，同时宿主仍只保留一条可见性边界和一套语义索引实现。即时本地结果掩盖了大部分请求延迟，取消机制可防止已作废查询重新渲染列表，后端故障则会降级为内容搜索尚不可用时已有的行为。
+
+首次内容查询可能耗时更长，因为它要先导入并打开 SQLite，再承担惰性对齐的开销。搜索质量采用 token／短语召回，而不是模糊召回或任意子串召回，并受上述连续中文限制。结果粒度为会话，最多 20 条，不支持分页，也不能跳转到具体消息。如果有效但选择性极差或反复陈旧的提供方尝试未能在 100 次调用内完成，系统会进入仅保留元数据匹配的故障路径，而不是无限制地继续处理。
+
+## 测试
+
+宿主测试将请求与响应校验、可见会话过滤、事件和 surface 过滤、结果与 snippet 边界、共享调用预算内的自适应提供方上限、沿用探测所得上限的陈旧世代重启、游标与跨页去重行为、取消优先级及故障映射固定为契约。SQLite 生命周期测试将启动时激活、首次搜索时的打开与失败、共享就绪状态以及未打开状态下的处置固定为契约；语义提取测试与 SQLite／fixture 搜索测试将排除仅存在于推理中的文本固定为契约。Node 22 兼容性门禁会构建 CLI 与 Web 产物，在移除环境级警告抑制并采用隔离的临时 home／提供方环境后，以普通 Node 启动随产品交付的 `dsh web`／`AppCLIEntry` 组合，等待启动完成并稳定，再沿随产品交付的信号路径对其执行 dispose（资源释放）。fixture（测试前置数据）、运行时与 UI 测试将以匹配位置为中心的有界 snippet、无状态委托、500 个 code unit 的查询边界、防抖／中止／陈旧响应行为、本地回退、合并顺序、去重、英文文案、ARIA 树成员关系、行渲染与导航语义固定为契约。无密钥的组装层 Web 测试会在保留惰性打开配置的同时，播种一段尚未打开的持久化对话，通过 SQLite 索引按可见消息内容找到它，捕获侧边栏结果，打开该会话，并验证查询条件仍然保留。
diff --git a/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.i18n.yaml b/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.i18n.yaml
index d576fb10e5..5b8cb4481f 100644
--- a/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.md
-2026-07-27-workspace-registration-deletion.md: 8168b0832ca39e6023f6981815ffe758b5695361
-2026-07-27-workspace-registration-deletion.zh.md: b0df6982ac81426a5b0ce2f0e2b0e744212e3f5b
+2026-07-27-workspace-registration-deletion.md: ae12b09979f20385336eef8d805173dd9c08d887
+2026-07-27-workspace-registration-deletion.zh.md: 2e43b25ec0b68703d68f6346796482d1c5ed3e8a
diff --git a/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.md b/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.md
index 8168b0832c..ae12b09979 100644
--- a/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.md
+++ b/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.md
@@ -28,7 +28,7 @@ Create and delete write a durable `pendingMutation` before their record/order pa
 
 `WorkspaceManager` treats both `host/workspace-changed` and `host/workspace-removed` as ordered deltas replayed over an in-flight `workspace.list` response. A successful unary delete removes the row immediately instead of waiting for its own stream echo. Removal is idempotent, and a process-local tombstone rejects late changed frames or stale baseline rows for the never-reused Workspace id. A reconnect still refreshes from `workspace.list`; Session state is never pruned by a Workspace delta.
 
-The delete confirmation remains pending until the React Workspace projection has committed the removed id, so the next create gesture cannot observe one stale list frame. During create, duplicate-name validation is suppressed while the request is pending because the committed `host/workspace-changed` frame may publish the newly created Workspace before its unary response; after failure returns the form to editing, validation uses the latest list again.
+The delete confirmation remains pending until the React Workspace projection has committed the removed id, so the next Workspace gesture cannot observe or target one stale list frame.
 
 ## Confirmation interaction
 
@@ -50,7 +50,7 @@ The menu, Modal, and buttons retain their existing structure and design tokens.
 
 ## Verification
 
-Workspace package tests pin successful metadata-only deletion, same-path re-registration, unknown-id idempotence, table-failure rollback, explicit-marker restart recovery, unexplained-corruption rejection, and cache/table invariant behavior. Apiproxy and carrier tests pin the schema, handler, `workspace-not-found`, retained Session/folder, fresh-id re-registration, and committed `host/workspace-removed` frame. Client tests pin unary direct echo, duplicate removal, late changed frames, and deletion racing an in-flight baseline. Component tests pin confirmation, projection-settled closing, pending-state duplicate suppression, success-frame-before-unary ordering, failure, Cancel, Escape, and Close. The browser scenario observes every transient alert, slot error, console error, and page error while reusing a deleted title for a different directory.
+Workspace package tests pin successful metadata-only deletion, same-path re-registration, unknown-id idempotence, table-failure rollback, explicit-marker restart recovery, unexplained-corruption rejection, and cache/table invariant behavior. Apiproxy and carrier tests pin the schema, handler, `workspace-not-found`, retained Session/folder, fresh-id re-registration, and committed `host/workspace-removed` frame. Client tests pin unary direct echo, duplicate removal, late changed frames, and deletion racing an in-flight baseline. Component tests pin confirmation, projection-settled closing, success-frame-before-unary ordering, failure, Cancel, Escape, and Close. The browser scenario observes every transient alert, slot error, console error, and page error while reusing a deleted title for a different directory.
 
 The assembled keyless Web scenario registers an existing temporary project directory, accounts a persisted Session, makes that Session current, confirms deletion in Chromium, and verifies the Workspace group disappears while Ungrouped retains the current Session. It checks the user file and JSONL log before and after deletion and repeats the UI, directory, and log assertions after reload.
 
diff --git a/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.zh.md b/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.zh.md
index b0df6982ac..2e43b25ec0 100644
--- a/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-27-workspace-registration-deletion.zh.md
@@ -28,7 +28,7 @@ Create 与 delete 会在记录／顺序对可能分叉之前写入持久 `pendin
 
 `WorkspaceManager` 将 `host/workspace-changed` 与 `host/workspace-removed` 都视为有序增量，并在进行中的 `workspace.list` 响应之上回放。成功的一元删除会立即移除行，无需等待本次操作自己的流回显。移除操作具有幂等性；由于 Workspace id 永不复用，进程本地删除标记会拒绝延迟到达的 changed 帧或陈旧基线行。重连仍从 `workspace.list` 刷新；Workspace 增量绝不会剪除会话状态。
 
-删除确认框会保持待处理，直到 React Workspace 投影已经提交目标 id 的移除，因此下一次创建操作不会读到一帧陈旧列表。创建请求进行中会暂停重复名称校验，因为已提交的 `host/workspace-changed` 帧可能先于一元响应发布刚创建的 Workspace；如果请求失败并让表单回到可编辑状态，系统会重新使用最新列表执行校验。
+删除确认框会保持待处理，直到 React Workspace 投影已经提交目标 id 的移除，因此下一次 Workspace 操作不会观察或定位到陈旧列表帧中的内容。
 
 ## 确认交互
 
@@ -50,7 +50,7 @@ Create 与 delete 会在记录／顺序对可能分叉之前写入持久 `pendin
 
 ## Verification
 
-Workspace 包测试固定了仅删除元数据的成功路径、同路径重新注册、未知 id 的幂等行为、表操作失败回滚、明确标记的重启恢复、来源不明损坏的拒绝，以及缓存／表不变量行为。Apiproxy 与载体测试固定了 schema、处理器、`workspace-not-found`、保留会话／文件夹、使用新 id 重新注册，以及已提交的 `host/workspace-removed` 帧。客户端测试固定了一元直接回显、重复移除、延迟到达的 changed 帧，以及删除与进行中基线并发的行为。组件测试固定了确认交互、投影稳定后关闭、待处理状态下抑制重复提交、成功帧先于一元响应、失败、Cancel、Escape 与 Close。浏览器场景会在为不同目录复用已删除名称时，观测每一次瞬时 alert、slot error、console error 与 page error。
+Workspace 包测试固定了仅删除元数据的成功路径、同路径重新注册、未知 id 的幂等行为、表操作失败回滚、明确标记的重启恢复、来源不明损坏的拒绝，以及缓存／表不变量行为。Apiproxy 与载体测试固定了 schema、处理器、`workspace-not-found`、保留会话／文件夹、使用新 id 重新注册，以及已提交的 `host/workspace-removed` 帧。客户端测试固定了一元直接回显、重复移除、延迟到达的 changed 帧，以及删除与进行中基线并发的行为。组件测试固定了确认交互、投影稳定后关闭、成功帧先于一元响应、失败、Cancel、Escape 与 Close。浏览器场景会在为不同目录复用已删除名称时，观测每一次瞬时 alert、slot error、console error 与 page error。
 
 组装后的无密钥 Web 场景会注册一个已有临时项目目录，将持久化会话计入账本，把该会话设为当前会话，在 Chromium 中确认删除，并验证 Workspace 分组消失，而 Ungrouped 保留当前会话。该场景在删除前后检查用户文件和 JSONL 日志，并在刷新后重复验证 UI、目录与日志。
 
diff --git a/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.i18n.yaml b/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.i18n.yaml
index 7123353c03..df8239ba4b 100644
--- a/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.md
-2026-07-28-cross-workspace-resume.md: 1ef6195b6f269a6dc8cf869902b7772ad48f00c2
-2026-07-28-cross-workspace-resume.zh.md: d31dc5f0470e20f86062edb4ad75c37a6160fe23
+2026-07-28-cross-workspace-resume.md: e8a8636911015a5b300b45a30e268ee1be5d47d1
+2026-07-28-cross-workspace-resume.zh.md: 9e5e126f4b204927d7fb134a196dd0d0a98468d4
diff --git a/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.md b/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.md
index 1ef6195b6f..e8a8636911 100644
--- a/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.md
+++ b/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.md
@@ -18,7 +18,7 @@ Finally, resume never changed directory. The host re-execs `dsh --resume=<id>` t
 
 The shared CLI configuration supplies one session root under the Harness home, the picker gains a workspace scope, and the handoff carries the target directory.
 
-**Storage.** The shared base owns the default in `apps/cli/config/base.cordis.yml`: its `session-persistence-jsonl` row resolves `sessions` beneath `DSH_HOME`, with the standard `~/.dsh` fallback when the environment has not been initialized. TUI, Web, and headless therefore consume one default without launcher patches or a boot slot. An overlay or personal patch that states an explicit root replaces that row's whole `config` and remains the deployment's authoritative choice.
+**Storage.** The shared base owns the default in `apps/cli/config/base.cordis.yml`: its `session-persistence-jsonl` row calls the app-boot-provided `dshHomePath('sessions')`, which uses the canonical `DSH_HOME` resolver and its standard `~/.dsh` fallback. TUI, Web, and headless therefore consume one default without a session-specific launcher patch or slot. An overlay or personal patch that states an explicit root replaces that row's whole `config` and remains the deployment's authoritative choice.
 
 **Scope, not exclusion.** A workspace other than the current one is a display scope rather than a disabled reason. `showResume()` summarizes every record and the `ResumePicker` owns a `scope` of `'workspace' | 'all'`, defaulting to the current workspace so the common case is unchanged. Tab toggles; the scope line names the active scope and the count the other holds; each row in the all-workspaces scope reports its own workspace, and that label joins the searchable text only in the scope that shows it. A toggle clears the query and selection so the highlighted row always belongs to the visible list, and the per-row workspace line makes a row one terminal row taller in that scope, which the visible-count budget accounts for.
 
diff --git a/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.zh.md b/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.zh.md
index d31dc5f047..9e5e126f4b 100644
--- a/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-28-cross-workspace-resume.zh.md
@@ -18,7 +18,7 @@ Status: implemented
 
 共享 CLI 配置提供 Harness home 下的同一个会话根目录，选择器获得 workspace 范围，交接过程携带目标目录。
 
-**存储。** 共享 base 在 `apps/cli/config/base.cordis.yml` 中拥有默认值：其 `session-persistence-jsonl` 配置项把 `sessions` 解析到 `DSH_HOME` 下；环境尚未初始化时则使用标准的 `~/.dsh` 回退值。因此 TUI、Web 与 headless 使用同一个默认值，无需启动器补丁或启动槽位。若 overlay 或个人 patch 显式声明根目录，它会整体替换该配置项的 `config`，并继续作为部署的权威选择。
+**存储。** 共享 base 在 `apps/cli/config/base.cordis.yml` 中拥有默认值：其 `session-persistence-jsonl` 配置项调用由 app-boot 提供的 `dshHomePath('sessions')`，该函数使用规范的 `DSH_HOME` 解析器及其标准的 `~/.dsh` 回退值。因此 TUI、Web 与 headless 使用同一个默认值，无需针对会话的启动器补丁或槽位。若 overlay 或个人 patch 显式声明根目录，它会整体替换该配置项的 `config`，并继续作为部署的权威选择。
 
 **是范围，不是排除。** 当前 workspace 之外的 workspace 是一种展示范围，而不是禁用理由。`showResume()` 汇总每一条记录，`ResumePicker` 持有一个 `'workspace' | 'all'` 的 `scope`，默认为当前 workspace，因此常见场景毫无变化。Tab 切换范围；范围行会说明当前生效的范围，以及另一个范围下的数量；在全 workspace 范围中每一行都报告自己的 workspace，而该标签只在展示它的范围里才加入可搜索文本。切换范围会清空查询和选中项，使高亮行始终属于可见列表；而逐行的 workspace 行会让该范围下的每一行在终端里多占一行，可见条数预算已经把这一点计入。
 
diff --git a/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.i18n.yaml b/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.i18n.yaml
index c60a7f0127..f50a69e7a8 100644
--- a/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.md
-2026-07-28-dsh-guided-skill-session-commands.md: a11807dca9ad1640857cd95a8b528df691b8a27e
-2026-07-28-dsh-guided-skill-session-commands.zh.md: e48420ed77496d8c336031473364f9008fccced7
+2026-07-28-dsh-guided-skill-session-commands.md: 9d5341880e92d88781278238f21380919c962820
+2026-07-28-dsh-guided-skill-session-commands.zh.md: 90c47d64173161fa4ef1f975de37b9cd42e02c99
diff --git a/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.md b/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.md
index a11807dca9..9d5341880e 100644
--- a/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.md
+++ b/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.md
@@ -1,4 +1,4 @@
-# Agent Note: `dsh migrate`/`dsh upgrade` seed the first turn with a skill
+# Agent Note: `dsh migrate`/`dsh experimental-upgrade` seed the first turn with a skill
 
 Status: implemented
 
@@ -10,7 +10,7 @@ Two recurring flows begin with the user manually invoking one skill and answerin
 
 ## Decision
 
-`dsh migrate` and `dsh upgrade` boot the ordinary TUI as a fresh session whose first turn auto-invokes a bundled skill (`dsh-migrate`, `dsh-upgrade`), exactly as if the user typed `/skill:<name>` and pressed Enter.
+`dsh migrate` and `dsh experimental-upgrade` boot the ordinary TUI as a fresh session whose first turn auto-invokes a bundled skill (`dsh-migrate`, `dsh-upgrade`), exactly as if the user typed `/skill:<name>` and pressed Enter.
 
 The seed reuses the existing TUI skill path, not a new one. `createTuiChat` already has `invokeSkill(name, instructions)` — the code a typed `/skill:<name>` runs, including the "Unknown skill" notice. The launcher passes the skill name to the TUI through a new boot-context slot `INITIAL_SKILL_KEY` (`tuiInitialSkill`), mirroring `CONFIGURED_AGENT_IDENTITIES_KEY`/`TUI_GOODBYE_MESSAGE_KEY`: `ctx.provide` is the only channel from launcher argv into a Loader-mounted plugin. The TUI's `apply()` reads the slot and folds it into `config.initialSkill`; after `ui.start()` succeeds, `createTuiChat` fires `invokeSkill(config.initialSkill, '')` once when set.
 
@@ -26,7 +26,7 @@ The `dsh-migrate` skill is bundled under `skills/` (shipped through `DSH_BUNDLED
 
 `packages/ui/tui/tests/tui.spec.ts` gains two fake-terminal cases in the existing skill describe block: `config.initialSkill` set delivers the rendered skill body as the first turn with no user input, and an unknown initial skill reports a notice without sending. `runSkillSession` itself is composition inside the module's `v8 ignore` block, like `runTui`/`runMeta`.
 
-No keyless PTY snapshot: per the maintainer's scope call for this change, unit coverage plus interactive verification suffices, and the seed rides the already-snapshotted `/skill:` render path. Both commands were verified interactively in tmux from a scratch cwd: `dsh migrate` loaded `dsh-migrate` and asked which source agent; `dsh upgrade` loaded `dsh-upgrade`, which pulled in `dsh-customize` and began checkout discovery.
+No keyless PTY snapshot: per the maintainer's scope call for this change, unit coverage plus interactive verification suffices, and the seed rides the already-snapshotted `/skill:` render path. Both commands were verified interactively in tmux from a scratch cwd: `dsh migrate` loaded `dsh-migrate` and asked which source agent; `dsh experimental-upgrade` loaded `dsh-upgrade`, which pulled in `dsh-customize` and began checkout discovery.
 
 ## Alternatives considered
 
diff --git a/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.zh.md b/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.zh.md
index e48420ed77..90c47d6417 100644
--- a/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-28-dsh-guided-skill-session-commands.zh.md
@@ -1,4 +1,4 @@
-# Agent Note：`dsh migrate`/`dsh upgrade` 以 skill 播种首轮
+# Agent Note：`dsh migrate`/`dsh experimental-upgrade` 以 skill 播种首轮
 
 Status: implemented
 
@@ -10,7 +10,7 @@ Status: implemented
 
 ## 决策
 
-`dsh migrate` 与 `dsh upgrade` 以全新会话启动普通 TUI，其首轮自动调用一个内置 skill（`dsh-migrate`、`dsh-upgrade`），效果等同于用户键入 `/skill:<name>` 并回车。
+`dsh migrate` 与 `dsh experimental-upgrade` 以全新会话启动普通 TUI，其首轮自动调用一个内置 skill（`dsh-migrate`、`dsh-upgrade`），效果等同于用户键入 `/skill:<name>` 并回车。
 
 播种复用现有的 TUI skill 路径，而非新增一条。`createTuiChat` 已有 `invokeSkill(name, instructions)`——即键入 `/skill:<name>` 所走的代码，包含“未知 skill”通知。启动器通过一个新的启动上下文槽 `INITIAL_SKILL_KEY`（`tuiInitialSkill`）把 skill 名称传给 TUI，与 `CONFIGURED_AGENT_IDENTITIES_KEY`/`TUI_GOODBYE_MESSAGE_KEY` 一致：`ctx.provide` 是从启动器 argv 进入 Loader 挂载插件的唯一通道。TUI 的 `apply()` 读取该槽并折叠进 `config.initialSkill`；`ui.start()` 成功后，`createTuiChat` 在其被设置时调用一次 `invokeSkill(config.initialSkill, '')`。
 
@@ -26,7 +26,7 @@ Status: implemented
 
 `packages/ui/tui/tests/tui.spec.ts` 在既有 skill describe 块中新增两个伪终端用例：设置 `config.initialSkill` 时无需用户输入即把渲染后的 skill 正文作为首轮投递；未知的初始 skill 以通知形式报告且不发送。`runSkillSession` 本身是模块 `v8 ignore` 块内的组装，与 `runTui`/`runMeta` 相同。
 
-无 keyless PTY 快照：依据维护者对本次改动的范围裁定，单元覆盖加交互式验证已足够，且播种走的是已有快照的 `/skill:` 渲染路径。两个命令均已在 tmux 中从临时 cwd 交互式验证：`dsh migrate` 加载 `dsh-migrate` 并询问源 agent；`dsh upgrade` 加载 `dsh-upgrade`，后者引入 `dsh-customize` 并开始 checkout 发现。
+无 keyless PTY 快照：依据维护者对本次改动的范围裁定，单元覆盖加交互式验证已足够，且播种走的是已有快照的 `/skill:` 渲染路径。两个命令均已在 tmux 中从临时 cwd 交互式验证：`dsh migrate` 加载 `dsh-migrate` 并询问源 agent；`dsh experimental-upgrade` 加载 `dsh-upgrade`，后者引入 `dsh-customize` 并开始 checkout 发现。
 
 ## 考虑过的替代方案
 
diff --git a/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.i18n.yaml b/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.i18n.yaml
index 1a7c941216..9f62d0d4ea 100644
--- a/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.md
-2026-07-28-dsh-meta-source-workspace.md: d65e0e6ff092b63931dd58c52fa76fb76a071dff
-2026-07-28-dsh-meta-source-workspace.zh.md: 72a0c65e6eeda7d63dccc2306a3d7625cdb54362
+2026-07-28-dsh-meta-source-workspace.md: be414ddbf63dd95791f9ca956b2f345b1fc8c685
+2026-07-28-dsh-meta-source-workspace.zh.md: 86fc135db290766cb6fc2abefb194120416bfd9d
diff --git a/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.md b/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.md
index d65e0e6ff0..be414ddbf6 100644
--- a/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.md
+++ b/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.md
@@ -1,4 +1,4 @@
-# Agent Note: `dsh meta` boots the TUI over the harness checkout
+# Agent Note: `dsh experimental-meta` boots the TUI over the harness checkout
 
 Status: implemented
 
@@ -10,40 +10,32 @@ English | [中文](2026-07-28-dsh-meta-source-workspace.zh.md)
 
 ## Decision
 
-`dsh meta` boots the ordinary TUI with the harness checkout as the workspace, from any directory.
+`dsh experimental-meta` boots the ordinary TUI with the harness checkout as the workspace, from any directory.
 
 The target is `SOURCE_ROOT` in `apps/cli/src/tui.ts` — `fileURLToPath(new URL('../../..', import.meta.url))`, three hops up from `apps/cli/{src,lib}` — the same constant the `harness:source` prompt section already names, so the workspace and the path advertised to the model cannot drift. It follows the launcher's real path, so a PATH symlink through `current` resolves to whichever staging worktree is active.
 
-The mechanism is one `process.chdir(workspace)` inside `runTui`, guarded by a new optional third parameter that only `runMeta` passes. The cwd *is* the workspace seam in the shipped tree: `examples/tui-agent/cordis.yml` derives the session cwd (`!!js process.cwd()`), the `./.sessions` persistence root, and the HMR watch root (`root: ['.']`) from it, so one chdir moves all three together and meta sessions land in the checkout's gitignored `.sessions/`. It runs after both `.env` layers are loaded — the bin's invoking-directory load and the personal one — so the ambient > project > personal precedence is untouched. `DEFAULT_CONFIG` and `SOURCE_ROOT` are absolute and TUI mode passes no snapshot mode, so config resolution is chdir-independent.
+The mechanism is one `process.chdir(workspace)` inside `runTui`, guarded by an optional third parameter that only the `experimental-meta` dispatch passes. The cwd *is* the workspace seam in the shipped tree: `examples/tui-agent/cordis.yml` derives the session cwd (`!!js process.cwd()`), the `./.sessions` persistence root, and the HMR watch root (`root: ['.']`) from it, so one chdir moves all three together and meta sessions land in the checkout's gitignored `.sessions/`. It runs after both `.env` layers are loaded — the bin's invoking-directory load and the personal one — so the ambient > project > personal precedence is untouched. `DEFAULT_CONFIG` and `SOURCE_ROOT` are absolute and TUI mode passes no snapshot mode, so config resolution is chdir-independent.
 
-`meta` accepts only `--resume <id>`. `--config` would boot a foreign tree against the harness workspace, which is the `--config` case rather than this one; `-p` is not interactive. Both fail loud, as does an empty `--resume=` — matching the default surface, where a swallowed empty id would silently start a fresh session.
-
-**`meta` does not redeclare `--resume`.** Commander parses an option a subcommand shares with its parent into `program.opts()` and leaves the subcommand's own options object empty, so redeclaring it silently dropped the id (found by probing the adapter, not by review). The action reads `program.opts()`, which also accepts the flag on either side of the subcommand; `--help` still lists it among the parent's options.
+`experimental-meta` always starts a fresh session and accepts no options. `--config` would boot a foreign tree against the harness workspace, which is the default surface's `--config` case rather than this command; `-p` is not interactive, and resume re-enters the persisted session's own workspace through `dsh --resume <id>`. Any leaked default-surface option fails loud.
 
 ## Testing
 
-`apps/cli/tests/args.spec.ts` extends its two existing cases rather than adding a file: routing for `meta`, `meta --resume <id>`, and `--resume <id> meta` (pinning the shared-option behavior above), and exit-1 for `meta --resume=`, `meta --config`, and `meta -p`. `runMeta` itself is composition inside the module's existing `v8 ignore` block, like `runTui`.
+`apps/cli/tests/args.spec.ts` pins routing for `experimental-meta`, rejection of every leaked default-surface option, and rejection of the former `meta` name. The dispatch itself is composition inside `bin.ts`'s existing `v8 ignore` block.
 
-There is no keyless PTY smoke for this mode. The smoke harness gives each run a temp cwd, but `dsh meta` deliberately chdirs to the real checkout, so a smoke would write `.sessions/` into the live tree mid-test. Covering it properly needs an injectable target directory — a test-only seam this note declines to add for a one-line chdir.
+There is no keyless PTY smoke for this mode. The smoke harness gives each run a temp cwd, but `dsh experimental-meta` deliberately chdirs to the real checkout, so a smoke would write `.sessions/` into the live tree mid-test. Covering it properly needs an injectable target directory — a test-only seam this note declines to add for a one-line chdir.
 
 The mode was verified interactively instead. Launched from `$HOME`, a `pwd` tool call reports the checkout, git resolves to its branch, the session log lands under the checkout's `.sessions/` (leaving `~/.sessions` untouched and the tree free of unignored residue), and plain `dsh` from another directory still uses the invoking one.
 
-`dsh meta --resume <valid-id>` once started a *fresh* session instead of resuming — a pre-existing defect on the default surface, not one this mode introduced. [Launcher-owned resume identity](../architecture/2026-07-28-launcher-owned-resume-identity.md) found the cause and fixed it: a personal overlay had replaced the whole `tui-agent` config block, overwriting the shipped `resumeSessionId` intake with a read of an unset environment variable, so a valid id was silently ignored. Session identity is now a launcher-owned context slot that no config key can displace, and `meta` routes through it.
-
 ## Alternatives considered
 
 **Thread an explicit workspace through `boot` and the config tree.** Avoids mutating process-wide state, but the shipped config reads the cwd in three places (`!!js process.cwd()`, `persistenceRoot`, HMR `root`), so each would need its own new plumbing and config key to stay consistent. `chdir` before boot expresses "this is the workspace" once, at the seam that already means it.
 
-**A `--meta` flag on the default surface.** Rejected: the default surface is option-only so that subcommands do not collide with a positional, and a flag that silently relocates the workspace reads as a modifier of the current directory rather than a different target. `meta` alongside `web` matches the existing shape.
+**An `--experimental-meta` flag on the default surface.** Rejected: the default surface is option-only so that subcommands do not collide with a positional, and a flag that silently relocates the workspace reads as a modifier of the current directory rather than a different target. `experimental-meta` alongside `web` matches the existing shape.
 
 **Resolve `~/.dsh/source/current` instead of the launcher's own path.** Rejected: it would diverge from the `harness:source` prompt path whenever a non-installed checkout's `bin/dsh` is invoked directly, telling the model one source root while working in another.
 
-**Make the printed resume hint mode-aware.** Deferred here as a known cost, then delivered by [launcher-owned resume identity](../architecture/2026-07-28-launcher-owned-resume-identity.md): the exit line became a launcher-provided context slot, so meta mode prints `dsh meta --resume <id>` and a copied hint works from any directory. It previously came from static config as `dsh --resume {session}` and only worked when re-run from the checkout.
-
 ## Consequences
 
-Starting a session on dsh's own source is `dsh meta` from anywhere, and the workspace is guaranteed to be the same checkout the model is told about. Meta sessions are isolated in the checkout's `.sessions/`, so `dsh meta --resume` sees only other meta sessions — intended, since a session's logged cwd belongs to its workspace.
-
-The resume hint was this mode's original cost and is now resolved. [Launcher-owned resume identity](../architecture/2026-07-28-launcher-owned-resume-identity.md) made both the printed line and the in-place `/resume` handoff reproduce the mode as `dsh meta --resume <id>` from one shared argv helper, so a copied hint works from any directory and the handoff no longer depends implicitly on `execve` preserving the process cwd.
+Starting a session on dsh's own source is `dsh experimental-meta` from anywhere, and the workspace is guaranteed to be the same checkout the model is told about. The command always starts fresh; an ordinary `dsh --resume <id>` later restores the session and enters its persisted workspace.
 
 `runTui` gains an optional third parameter, so the workspace override is visible at the one function that owns TUI composition rather than hidden in a second copy of it.
diff --git a/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.zh.md b/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.zh.md
index 72a0c65e6e..86fc135db2 100644
--- a/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-28-dsh-meta-source-workspace.zh.md
@@ -1,4 +1,4 @@
-# Agent Note：`dsh meta` 以 harness 检出为 workspace 启动 TUI
+# Agent Note：`dsh experimental-meta` 以 harness 检出为 workspace 启动 TUI
 
 Status: implemented
 
@@ -10,40 +10,32 @@ Status: implemented
 
 ## Decision
 
-`dsh meta` 在任意目录下都以 harness 检出为 workspace 启动普通 TUI。
+`dsh experimental-meta` 在任意目录下都以 harness 检出为 workspace 启动普通 TUI。
 
 目标是 `apps/cli/src/tui.ts` 中的 `SOURCE_ROOT`——`fileURLToPath(new URL('../../..', import.meta.url))`，从 `apps/cli/{src,lib}` 向上三级——与 `harness:source` 提示词段所用的常量完全相同，因此 workspace 与告知模型的路径不可能发生偏离。它跟随启动器的真实路径，所以经由 `current` 的 PATH 符号链接会解析到当前生效的那个 staging 工作树。
 
-机制是 `runTui` 内的一次 `process.chdir(workspace)`，由一个新的可选第三参数把守，只有 `runMeta` 会传入。在已交付的配置树中，cwd *就是* workspace 的接缝：`examples/tui-agent/cordis.yml` 由它派生出会话 cwd（`!!js process.cwd()`）、`./.sessions` 持久化根目录以及 HMR 监视根目录（`root: ['.']`），因此一次 chdir 会让三者一并移动，meta 会话则落在检出目录中被 gitignore 的 `.sessions/` 内。它在两层 `.env` 都加载之后执行——bin 对调用目录的加载与个人层加载——因此“环境中已有的值 > 项目 > 个人”的优先级不受影响。`DEFAULT_CONFIG` 与 `SOURCE_ROOT` 都是绝对路径，且 TUI 模式不传 snapshot mode，所以配置解析与 chdir 无关。
+机制是 `runTui` 内的一次 `process.chdir(workspace)`，由一个可选第三参数把守，只有 `experimental-meta` 分派会传入。在已交付的配置树中，cwd *就是* workspace 的接缝：`examples/tui-agent/cordis.yml` 由它派生出会话 cwd（`!!js process.cwd()`）、`./.sessions` 持久化根目录以及 HMR 监视根目录（`root: ['.']`），因此一次 chdir 会让三者一并移动，meta 会话则落在检出目录中被 gitignore 的 `.sessions/` 内。它在两层 `.env` 都加载之后执行——bin 对调用目录的加载与个人层加载——因此“环境中已有的值 > 项目 > 个人”的优先级不受影响。`DEFAULT_CONFIG` 与 `SOURCE_ROOT` 都是绝对路径，且 TUI 模式不传 snapshot mode，所以配置解析与 chdir 无关。
 
-`meta` 只接受 `--resume <id>`。`--config` 会以 harness workspace 启动其他配置树，那属于 `--config` 的场景而非本场景；`-p` 并非交互式。两者都会明确报错，空的 `--resume=` 亦然——与默认界面一致，在那里被吞掉的空 id 会静默开启一个新会话。
-
-**`meta` 不重新声明 `--resume`。** 对于子命令与父命令共享的选项，Commander 会将其解析进 `program.opts()`，而把子命令自身的 options 对象留空；因此重新声明会静默丢弃该 id（这是通过实测适配器发现的，而非评审发现）。action 读取 `program.opts()`，这同时也允许该标志出现在子命令的任意一侧；`--help` 仍会在父命令的选项中列出它。
+`experimental-meta` 始终启动新会话，且不接受任何选项。`--config` 会针对 harness workspace 启动其他配置树，那是默认界面的 `--config` 场景，而不是该命令的场景；`-p` 并非交互式，恢复则通过 `dsh --resume <id>` 重新进入已持久化会话自身的 workspace。任何泄漏的默认界面选项都会明确报错。
 
 ## Testing
 
-`apps/cli/tests/args.spec.ts` 扩展其已有的两个用例而非新增文件：`meta`、`meta --resume <id>` 与 `--resume <id> meta` 的路由（钉住上述共享选项行为），以及 `meta --resume=`、`meta --config`、`meta -p` 的退出码 1。`runMeta` 自身与 `runTui` 一样，属于该模块既有 `v8 ignore` 块内的组合代码。
+`apps/cli/tests/args.spec.ts` 钉住 `experimental-meta` 的路由、对每个泄漏的默认界面选项的拒绝，以及对旧名称 `meta` 的拒绝。该分派本身是 `bin.ts` 既有 `v8 ignore` 块内的组合代码。
 
-该 mode 没有 keyless PTY 冒烟测试。冒烟框架会为每次运行提供临时 cwd，但 `dsh meta` 刻意 chdir 到真实检出目录，因此冒烟测试会在测试中途把 `.sessions/` 写入实际工作树。要正确覆盖它需要一个可注入的目标目录——为了一行 chdir 而引入的测试专用 seam，本 note 不予采纳。
+该 mode 没有 keyless PTY 冒烟测试。冒烟框架会为每次运行提供临时 cwd，但 `dsh experimental-meta` 刻意 chdir 到真实检出目录，因此冒烟测试会在测试中途把 `.sessions/` 写入实际工作树。要正确覆盖它需要一个可注入的目标目录——为了一行 chdir 而引入的测试专用 seam，本 note 不予采纳。
 
 取而代之的是交互式验证。从 `$HOME` 启动后，`pwd` 工具调用报告的是该检出目录，git 解析到其分支，会话日志落在该检出的 `.sessions/` 下（`~/.sessions` 未被触及，工作树也没有未被忽略的残留），并且从其他目录运行的普通 `dsh` 仍使用调用目录。
 
-`dsh meta --resume <有效 id>` 曾经开启一个*新*会话而非恢复——这是默认界面上既已存在的缺陷，并非本 mode 引入。[由启动器持有的会话身份与退出行](../architecture/2026-07-28-launcher-owned-resume-identity.md) 查明了原因并将其修复：一个个人 overlay 替换了整个 `tui-agent` 配置块，用对一个未设置的环境变量的读取覆盖了已交付的 `resumeSessionId` 入口，因此有效的 id 会被静默忽略。会话标识如今是一个启动器拥有的上下文槽位，没有任何配置键能取代它，而 `meta` 经由它进行路由。
-
 ## Alternatives considered
 
 **通过 `boot` 与配置树显式传递 workspace。** 这可避免修改进程级状态，但已交付的配置在三处读取 cwd（`!!js process.cwd()`、`persistenceRoot`、HMR `root`），每一处都需要各自新增管线与配置键才能保持一致。启动前 chdir 只在本就表达该含义的接缝上表达一次“这就是 workspace”。
 
-**在默认界面上加一个 `--meta` 标志。** 拒绝：默认界面是纯选项形式，以免子命令与位置参数冲突；而一个会静默改变 workspace 的标志读起来像是对当前目录的修饰，而非另一个目标。`meta` 与 `web` 并列符合既有形态。
+**在默认界面上加一个 `--experimental-meta` 标志。** 拒绝：默认界面是纯选项形式，以免子命令与位置参数冲突；而一个会静默改变 workspace 的标志读起来像是对当前目录的修饰，而非另一个目标。`experimental-meta` 与 `web` 并列符合既有形态。
 
 **解析 `~/.dsh/source/current` 而非启动器自身路径。** 拒绝：当直接调用某个非安装检出的 `bin/dsh` 时，它会与 `harness:source` 提示词路径产生偏离——告知模型一个源码根目录，却在另一个目录中工作。
 
-**让打印的恢复提示随 mode 变化。** 在此作为已知代价推迟，随后由 [由启动器持有的会话身份与退出行](../architecture/2026-07-28-launcher-owned-resume-identity.md) 交付：退出行变成了一个启动器提供的上下文槽位，因此 meta 模式打印 `dsh meta --resume <id>`，被复制的提示在任意目录下都有效。它此前来自静态配置，固定为 `dsh --resume {session}`，且只有在检出目录中重新运行才有效。
-
 ## Consequences
 
-在 dsh 自身源码上开启会话变成了在任意位置执行 `dsh meta`，且该 workspace 必然就是告知模型的那个检出目录。meta 会话被隔离在检出目录的 `.sessions/` 内，因此 `dsh meta --resume` 只能看到其他 meta 会话——这是预期行为，因为会话记录的 cwd 属于它的 workspace。
-
-恢复提示曾是本 mode 的原初代价，如今已解决。[由启动器持有的会话身份与退出行](../architecture/2026-07-28-launcher-owned-resume-identity.md) 让打印的行与原地 `/resume` 移交都从同一个共享的 argv 辅助函数将该 mode 复现为 `dsh meta --resume <id>`，因此被复制的提示在任意目录下都有效，且移交不再隐式依赖于 `execve` 保留进程 cwd。
+在 dsh 自身源码上开启会话变成了在任意位置执行 `dsh experimental-meta`，且该 workspace 必然就是告知模型的那个检出目录。该命令始终启动新会话；之后，普通的 `dsh --resume <id>` 会恢复该会话并进入其已持久化的 workspace。
 
 `runTui` 新增一个可选第三参数，因此 workspace 覆盖是在拥有 TUI 组合逻辑的那唯一一个函数上可见的，而不是隐藏在它的第二份副本中。
diff --git a/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.i18n.yaml b/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.i18n.yaml
index f2b2b5b22e..c72f343373 100644
--- a/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.md
-2026-07-28-skill-invocation-policy.md: f74b0bcfddb1699c48279b4d8b153cabf764b140
-2026-07-28-skill-invocation-policy.zh.md: 1a7117a382be224c5371964dd4ad3e916d4e0917
+2026-07-28-skill-invocation-policy.md: e639db39c0e971ea6988ef6e9801ab71f8d1337f
+2026-07-28-skill-invocation-policy.zh.md: 7e68f2cf28fbaa734dff477441fc8ab73e7367b7
diff --git a/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.md b/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.md
index f74b0bcfdd..e639db39c0 100644
--- a/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.md
+++ b/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.md
@@ -18,7 +18,7 @@ The local parser also exposed an internal camel-case spelling as frontmatter. Su
 
 The local provider accepts the exact kebab-case frontmatter keys `disable-model-invocation` and `user-invocable`. It accepts YAML booleans plus case-insensitive `true`/`false`, `yes`/`no`, `on`/`off`, and `1`/`0`, matching the practical boolean forms accepted by Claude skills. It maps `disable-model-invocation` to the inverse positive field and fills both positive fields from their defaults even when neither key is present. A camel-case external spelling or non-boolean invocation value drops the entire skill from discovery with a targeted warning; this pre-release repository does not keep an on-disk compatibility alias. Invocation data fails closed because ignoring it would default to permission and could expose the skill on a disabled surface, while wrong-typed optional `whenToUse` and `metadata` values are omitted because they do not decide invocation.
 
-The model-facing `dsh-tool-skill` catalog and loader enforce `isModelInvocable`. The TUI `/skill:` autocomplete and exact loader enforce the user field locally, so a user-only skill is visible and loadable there even when it is absent from model discovery, without turning the optional skill peer into a runtime import. The launcher-seeded initial skill used by guided `dsh migrate` and `dsh upgrade` sessions follows this same TUI path and must remain user-invocable. The browser `skill.list` RPC serves a user-selected reference that still asks the model to load the skill, so it exposes the intersection of model- and user-invocable skills; no direct browser skill-loading RPC is added.
+The model-facing `dsh-tool-skill` catalog and loader enforce `isModelInvocable`. The TUI `/skill:` autocomplete and exact loader enforce the user field locally, so a user-only skill is visible and loadable there even when it is absent from model discovery, without turning the optional skill peer into a runtime import. The launcher-seeded initial skill used by guided `dsh migrate` and `dsh experimental-upgrade` sessions follows this same TUI path and must remain user-invocable. The browser `skill.list` RPC serves a user-selected reference that still asks the model to load the skill, so it exposes the intersection of model- and user-invocable skills; no direct browser skill-loading RPC is added.
 
 These rules permit all four combinations:
 
diff --git a/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.zh.md b/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.zh.md
index 1a7117a382..7e68f2cf28 100644
--- a/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-28-skill-invocation-policy.zh.md
@@ -18,7 +18,7 @@ skill 注册表最初将发现操作视为模型目录：`ctx.skills.list()` 会
 
 本地提供方只接受拼写完全一致的 kebab-case frontmatter 键 `disable-model-invocation` 和 `user-invocable`。它接受 YAML 布尔值，以及不区分大小写的 `true`/`false`、`yes`/`no`、`on`/`off` 和 `1`/`0`，与 Claude skills 实际支持的布尔写法一致。它将 `disable-model-invocation` 映射为相反的正向字段，即使两个键都不存在，也会根据默认值填充两个正向字段。若使用外部驼峰式拼写或提供非布尔调用值，发现流程会丢弃整个 skill，并给出有针对性的警告；本仓库尚处于发布前阶段，因此不为磁盘格式保留兼容别名。调用数据校验遵循失败时默认拒绝原则，因为忽略这类数据会默认授予权限，可能使 skill 暴露在已禁用的接口上；与之不同，类型错误的可选 `whenToUse` 和 `metadata` 值会被省略，因为它们不参与调用判定。
 
-面向模型的 `dsh-tool-skill` 目录和 loader 执行 `isModelInvocable`。TUI 的 `/skill:` 自动补全与精确名称 loader 在本地执行用户字段，因此仅允许用户调用的 skill 即使不出现在模型发现结果中，仍会在此处显示并可加载，同时不会将可选的 skill peer 变成运行时导入。由 launcher 预置、供引导式 `dsh migrate` 和 `dsh upgrade` 会话使用的初始 skill 沿用同一条 TUI 路径，因此必须保持允许用户调用。浏览器的 `skill.list` RPC 提供的是由用户选择、但仍要求模型加载的引用，因此只公开同时允许模型和用户调用的 skill；本次改动不新增让浏览器直接加载 skill 的 RPC。
+面向模型的 `dsh-tool-skill` 目录和 loader 执行 `isModelInvocable`。TUI 的 `/skill:` 自动补全与精确名称 loader 在本地执行用户字段，因此仅允许用户调用的 skill 即使不出现在模型发现结果中，仍会在此处显示并可加载，同时不会将可选的 skill peer 变成运行时导入。由 launcher 预置、供引导式 `dsh migrate` 和 `dsh experimental-upgrade` 会话使用的初始 skill 沿用同一条 TUI 路径，因此必须保持允许用户调用。浏览器的 `skill.list` RPC 提供的是由用户选择、但仍要求模型加载的引用，因此只公开同时允许模型和用户调用的 skill；本次改动不新增让浏览器直接加载 skill 的 RPC。
 
 这些规则允许以下四种组合：
 
diff --git a/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.i18n.yaml b/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.i18n.yaml
index a16f07a63c..5fc6eacf97 100644
--- a/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.md
-2026-07-29-persistent-bash-str-replace-editor.md: a97af750bdd80ddf38dc2d126e70c245ed035f35
-2026-07-29-persistent-bash-str-replace-editor.zh.md: 0c2ab26693d90c91d5c41a128ebb77a3c6cc2e7f
+2026-07-29-persistent-bash-str-replace-editor.md: 22851078c1cc8fa9d5716afa41c8a2e2b7e7725c
+2026-07-29-persistent-bash-str-replace-editor.zh.md: cf4d18f26d11380a637d573e8ea98cb3ccfcdb59
diff --git a/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.md b/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.md
index a97af750bd..22851078c1 100644
--- a/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.md
+++ b/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.md
@@ -18,6 +18,8 @@ Some deployments need a one-call Bash schema whose shell state survives across m
 
 Both plugins are included in the Python runtime closure. The persistent Bash closure also includes the PTY service/local backend and the sandbox services required by that backend. Because `node-pty` executes a native `spawn-helper` on macOS, each packaged macOS runtime executable ships with a `-spawn-helper` sibling; Linux uses `forkpty` directly. A pinned `node-pty` patch checks `DSH_NODE_PTY_SPAWN_HELPER` first, so it remains a true override for a current external consumer that supplies a non-sibling helper. When the override is unset, the patch resolves the packaged executable sibling if present and otherwise preserves upstream lookup in ordinary Node runs. The macOS builders fail before publication when the helper is absent or not executable.
 
+The shipped [`core-web.cordis.yml`](../../../../apps/cli/config/core-web.cordis.yml) overlay composes both plugins over the ordinary Web surface, disables its other model-facing consumers, and leaves the Web host, browser, Workspace, persistence, sandbox, and permission stack in place. The local PTY backend resolves the effective session sandbox mode when it creates the shell. While that owner has an open shell or a spawn in progress, a different permission mode is rejected before its session event commits; the editor continues through the Web filesystem sandbox.
+
 ## Alternatives considered
 
 **One combined compatibility plugin.** Rejected because neither tool requires the other and the combined name would tie reusable capabilities to one benchmark.
@@ -30,4 +32,4 @@ Both plugins are included in the Python runtime closure. The persistent Bash clo
 
 ## Consequences
 
-Profiles can reproduce an external agent by configuring persona and descriptions while the underlying packages remain general. Persistent Bash requires an owning Agent and real PTY backend. Shell exit, timeout, or cancellation loses state. The editor delegates security and mutation policy to the mounted filesystem stack. Runtime-wheel consumers still need no Node installation; Linux wheels contain one executable, while macOS wheels also contain its private native helper.
+Profiles can reproduce an external agent by configuring persona and descriptions while the underlying packages remain general. Persistent Bash requires an owning Agent and real PTY backend. Shell exit, timeout, or cancellation loses state. The editor delegates security and mutation policy to the mounted filesystem stack. The Core Web profile retains Web permissions but must close its persistent shell before changing modes. Runtime-wheel consumers still need no Node installation; Linux wheels contain one executable, while macOS wheels also contain its private native helper.
diff --git a/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.zh.md b/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.zh.md
index 0c2ab26693..cf4d18f26d 100644
--- a/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.zh.md
@@ -18,6 +18,8 @@
 
 两个插件都进入 Python runtime 闭包。持久 Bash 的闭包还包含 PTY 服务／本地后端，以及该后端要求的沙箱服务。由于 `node-pty` 在 macOS 上会执行原生 `spawn-helper`，每个打包后的 macOS 运行时可执行文件都会携带一个 `-spawn-helper` 伴随文件；Linux 直接使用 `forkpty`。固定版本的 `node-pty` 补丁会先检查 `DSH_NODE_PTY_SPAWN_HELPER`，因此对当前提供非伴随 helper 的外部消费方而言，该变量仍是真正的覆盖项。未设置该覆盖时，补丁会在打包可执行文件的伴随文件存在时解析它，否则在普通 Node 运行中保留上游查找方式。若 helper 缺失或不可执行，macOS 构建器会在发布前失败。
 
+已交付的 [`core-web.cordis.yml`](../../../../apps/cli/config/core-web.cordis.yml) 覆盖层在常规 Web 界面之上组合这两个插件，禁用该界面的其他面向模型的消费方，并保留 Web 宿主、浏览器、Workspace、持久化、沙箱与权限栈。本地 PTY 后端会在创建 shell 时解析会话的有效沙箱模式。只要该所有者仍有打开的 shell 或仍在进行中的 spawn，另一种权限模式就会在对应的会话事件提交前遭到拒绝；编辑器则继续经由 Web 文件系统沙箱运行。
+
 ## 考虑过的替代方案
 
 **单一组合兼容插件。** 被拒绝，因为两个工具互不依赖，组合命名还会把可复用能力绑定到某个基准。
@@ -30,4 +32,4 @@
 
 ## 后果
 
-Profile 可以通过配置 persona 和描述复现外部 Agent，而底层包保持通用。持久 Bash 需要拥有它的 Agent 与真实 PTY 后端；shell 退出、超时或取消会丢失状态。编辑器把安全与变更策略委托给挂载的文件系统栈。运行时 wheel 包的消费方仍无需安装 Node；Linux wheel 包包含一个可执行文件，macOS wheel 包还包含其私有原生 helper。
+Profile 可以通过配置 persona 和描述复现外部 Agent，而底层包保持通用。持久 Bash 需要拥有它的 Agent 与真实 PTY 后端；shell 退出、超时或取消会丢失状态。编辑器把安全与变更策略委托给挂载的文件系统栈。Core Web profile 保留 Web 权限，但必须先关闭持久 shell 才能更改权限模式。运行时 wheel 包的消费方仍无需安装 Node；Linux wheel 包包含一个可执行文件，macOS wheel 包还包含其私有原生 helper。
diff --git a/.agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.i18n.yaml
new file mode 100644
index 0000000000..c922eb5a91
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.md
+2026-07-30-compaction-progress-visibility.md: b4d95d4bc645924b96eab6a36ee7b8f36b76a2c6
+2026-07-30-compaction-progress-visibility.zh.md: e444fbdfbf1c865a5bb3b6675a5ff318c5cef9e7
diff --git a/.agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.md b/.agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.md
new file mode 100644
index 0000000000..b4d95d4bc6
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.md
@@ -0,0 +1,49 @@
+# Agent Note: Live standalone compaction progress in the terminal
+
+Status: implemented
+
+English | [中文](2026-07-30-compaction-progress-visibility.zh.md)
+
+## Problem
+
+A standalone manual compaction runs between turns while the agent remains idle. The TUI's turn-phase indicator therefore kept its plain `>` caret throughout the slow summary operation, and a failed attempt produced no transcript row because no replacement checkpoint landed. The liveness presentation needs to reuse the existing status indicator without introducing a second animated status location.
+
+The durable log can retain an unmatched `compact/start` after a process dies. That orphan is useful recovery evidence, but it is not proof that work is running in the current process; replaying it as progress would leave resumed sessions with a permanent phantom indicator.
+
+## Decision
+
+The TUI treats the live standalone `compact/start { turn: null }` to matching `compact/end` bracket as the source of in-flight compaction presentation. A module-local `compacting` cell records the render-clock start and owns one animation timer. A fixed row above the prompt renders `Context being compacted <elapsed>` from that clock, the existing one-cell running status indicator renders `⊙` through the same fade and throb path as turn-phase glyphs, and the terminal progress bit remains active until the bracket closes.
+
+`runningPhaseGlyph` owns the choice among turn-phase glyphs, `⊙`, and the idle caret. Turn-phase glyphs take precedence because numbered compaction brackets are enclosed by a running turn whose phase already lights the indicator. The fixed row is outside the transcript and owns neither a spinner nor another timer; it collapses when empty. The compaction cell does not change the idle editor border, hint, or steering badge, so prompts remain visibly accepted while standalone compaction reserves turn admission.
+
+The cell is live-only. Mount and transcript replay never scan history for an unmatched start; only a `session/event` notification observed by the mounted TUI can open it. Turn-status transitions preserve the cell, while terminal teardown clears its timer and progress bit.
+
+On `compact/end`, the TUI clears the cell before starting the ordinary glyph fade-out. An end carrying `error` adds `Compaction failed: <error>` as a warning. Successful completion remains represented by the landed replacement's transcript marker, and duration remains derivable from the matching durable start and end timestamps without another settled row.
+
+This decision partially supersedes only the progress-related deferred clauses in the [terminal transcript decision](../bug-fix/2026-07-29-human-transcript-append-origin.md) and [browser transcript decision](../bug-fix/2026-07-30-web-transcript-log-ordered-projection.md): progress does not require marker scale or a replacement-rendering refactor. Both notes remain active and continue to own append-origin transcript projection and landed checkpoint markers. The [queued manual compaction decision](2026-07-30-queued-manual-compaction.md) remains the owner of bracket ordering, locking, and stale-orphan classification.
+
+## Alternatives considered
+
+**Add `progressLabel` to `CommandDefinition` and a second TUI status controller, as explored in PR #669.** Rejected because command metadata is not the compaction lifecycle authority, automatic compaction does not originate from a human command, and two status controllers can disagree about the same indicator.
+
+**Add `compacting` to `TurnPhase`, as explored in PR #669.** Rejected because standalone compaction deliberately has no turn, while numbered compaction already has a visible running-turn phase.
+
+**Add a fifth `TimingBucket`.** Rejected because timing buckets partition an open model step and feed its transcript footer. Standalone compaction has no step transition, and a new bucket would add a meaningless compaction column to every step total.
+
+**Share one timer among running, fading, and compaction states.** Rejected because fade-out owns a self-terminating timer, while live compaction has an independent open/close lifetime. Sharing would restructure the reviewed animation state machine without removing an actual concurrent timer.
+
+**Scan the log for an unmatched `compact/start`.** Rejected because a stale orphan from an earlier process lifecycle is expected durable history. Only the live notification proves current work.
+
+**Use a generic command-running indicator.** Rejected for this behavior because the compaction bracket is the more precise source and also covers non-command paths. A future generic command indicator belongs to the `command/run` / `command/done` lifecycle.
+
+**Add an animated compaction row to the transcript.** Rejected because it creates a second status animation point for the same lifecycle. The existing one-cell indicator owns liveness, while the landed marker and failure warning own settled transcript presentation.
+
+**Print a success notice with duration.** Rejected because the landed replacement already supplies the completion marker. The bracket timestamps preserve duration for a future presentation that justifies another transcript row.
+
+## Consequences
+
+Manual compaction has a named elapsed-time display above the prompt while the agent is idle, failure has a direct warning, and a resumed orphan never looks active. The prompt indicator remains one terminal cell wide, while the row and indicator reuse the existing status animation, semantic palette, and terminal-progress lifecycle.
+
+The live cell and timer are additional process-local state, cleared on both bracket close and TUI teardown. This is intentionally not reconstructible presentation state: durable history supplies the successful marker and timing facts, while current-process observation alone supplies liveness.
+
+The package-level TUI tests pin standalone start, elapsed-time refresh, single-indicator presentation, numbered-start exclusion, fade-out, failure warning, idle-status preservation, running-turn precedence, orphaned resume, and timer disposal. The assembled `queued-manual-compact` terminal scenario observes `Context being compacted 1.0s` and `dsh ⊙` while the real summary boundary is held.
diff --git a/.agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.zh.md b/.agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.zh.md
new file mode 100644
index 0000000000..e444fbdfbf
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.zh.md
@@ -0,0 +1,49 @@
+# Agent Note: 终端中的实时独立压缩进度
+
+Status: implemented
+
+[English](2026-07-30-compaction-progress-visibility.md) | 中文
+
+## 问题
+
+独立手动压缩（compaction）在轮次之间运行，此时 agent（智能体）保持空闲。因此，在缓慢的摘要操作期间，TUI 的轮次阶段指示器始终显示普通的 `>` 光标；尝试失败时，由于没有替换检查点落地，也不会产生 transcript（文本记录）行。运行状态显示需要复用现有的状态指示器，不能再设置第二处带动画的状态显示。
+
+进程终止后，持久日志中可能保留未匹配的 `compact/start`。该未匹配标记是有用的恢复证据，但无法证明当前进程中有工作正在运行；若将其回放为进度，恢复后的会话便会永久显示虚假的进度指示。
+
+## 决策
+
+TUI 将实时独立的 `compact/start { turn: null }` 与匹配的 `compact/end` 组成的标记对，作为显示进行中压缩状态的真源。模块局部的 `compacting` 状态记录渲染时钟的起始时间，并独占一个动画定时器。提示词上方的固定行根据该时钟渲染 `Context being compacted <elapsed>`，现有的单格运行状态指示器通过与轮次阶段字形相同的明暗渐变和呼吸律动路径渲染 `⊙`，终端进度标志位会保持活跃，直至标记对闭合。
+
+`runningPhaseGlyph` 负责在轮次阶段字形、`⊙` 和空闲光标之间作出选择。轮次阶段字形的优先级更高，因为带编号的压缩标记对处于运行中的轮次内，该轮次的阶段已经激活指示器。该固定行位于 transcript 之外，不带 spinner，也不另设定时器；内容为空时会折叠。压缩状态不会改变空闲编辑器边框、提示或 steering（中途引导）徽标，因此，在独立压缩预留轮次准入期间，界面仍会明确显示提示词已获接纳。
+
+该状态只反映实时事件。挂载和 transcript 回放绝不会扫描历史以查找未匹配的 start；只有已挂载的 TUI 观察到 `session/event` 通知，才能开启它。轮次状态转换会保留该状态，而终端清理会清除其定时器和进度标志位。
+
+收到 `compact/end` 时，TUI 会先清除状态，再启动普通字形的淡出。携带 `error` 的结束事件会以警告形式添加 `Compaction failed: <error>`。成功完成仍由已落地替换项的 transcript 标记呈现；无需再添加已结算的行，也可从匹配且已持久记录的开始与结束时间戳推导持续时间。
+
+本决策仅部分取代[终端 transcript 决策](../bug-fix/2026-07-29-human-transcript-append-origin.md)和[浏览器 transcript 决策](../bug-fix/2026-07-30-web-transcript-log-ordered-projection.md)中与进度相关的延期条款：进度显示不要求标记携带规模信息，也不要求重构替换项渲染。两份记录均保持活动状态，并继续负责基于追加来源的 transcript 投影和已落地检查点标记。[排队式手动压缩决策](2026-07-30-queued-manual-compaction.md)继续负责标记对顺序、锁定机制和陈旧未匹配标记分类。
+
+## 曾考虑的替代方案
+
+**按照 PR（Pull Request）#669 中探索的方案，为 `CommandDefinition` 添加 `progressLabel` 和第二个 TUI 状态控制器。** 不予采用：命令元数据并非压缩生命周期的权威依据，自动压缩并非由人工命令发起，两个状态控制器也可能对同一个指示器给出不一致状态。
+
+**按照 PR #669 中探索的方案，将 `compacting` 添加到 `TurnPhase`。** 不予采用：独立压缩按设计没有轮次，而带编号的压缩已经具有可见的运行轮次阶段。
+
+**添加第五个 `TimingBucket`。** 不予采用：计时分桶用于划分一个开放模型步骤内的时间，并为其 transcript 页脚提供数据。独立压缩没有步骤转换，新分桶会在每个步骤总计中加入一个没有意义的压缩列。
+
+**让运行、淡出和压缩状态共享一个定时器。** 不予采用：淡出过程独占一个会自行终止的定时器，而实时压缩有独立的开启与闭合生命周期。共享定时器会重构已经评审的动画状态机，却不能消除实际存在的并发定时器。
+
+**扫描日志，查找未匹配的 `compact/start`。** 不予采用：来自先前进程生命周期的陈旧未匹配标记是预期的持久历史。只有实时通知才能证明当前进程正在执行工作。
+
+**使用通用的命令运行指示器。** 本行为不采用该方案，因为压缩标记对是更精确的真源，并且还覆盖非命令路径。未来若实现通用命令指示器，应归属于 `command/run` 和 `command/done` 生命周期。
+
+**在 transcript 中添加动画压缩行。** 不予采用：这会为同一个生命周期设置第二处状态动画显示。现有的单格指示器负责显示运行状态，而已落地标记和失败警告负责已结算的 transcript 呈现。
+
+**打印包含持续时间的成功通知。** 不予采用：已落地的替换项已经提供完成标记。标记对的时间戳保留了持续时间，可供未来能够证明新增 transcript 行合理的展示方式使用。
+
+## 后果
+
+手动压缩在 agent 空闲时会在提示词上方显示带名称的已用时间，失败会直接产生警告，恢复会话时的陈旧未匹配标记绝不会显示为活动状态。提示符指示器保持一个终端字符单元宽，状态行和指示器则复用现有的状态动画、语义调色板和终端进度生命周期。
+
+实时状态及其定时器是额外的进程局部状态，在标记对闭合和 TUI 清理这两种情况下都会清除。按设计，这种显示状态不可重建：持久历史提供成功标记与计时事实，只有当前进程的观察才能提供运行中状态。
+
+包（package）级 TUI 测试固定了以下行为：独立开始事件、已用时间刷新、单指示器呈现、排除带编号的开始事件、淡出、失败警告、保留空闲状态、运行轮次优先级、存在未匹配标记时的恢复，以及定时器释放。组装后的 `queued-manual-compact` 终端场景会在真实摘要边界保持开放期间观察到 `Context being compacted 1.0s` 和 `dsh ⊙`。
diff --git a/.agents/notes/implemented/feature/2026-07-30-current-sandbox-policy-context.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-current-sandbox-policy-context.i18n.yaml
new file mode 100644
index 0000000000..9e267e82a0
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-current-sandbox-policy-context.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-current-sandbox-policy-context.md
+2026-07-30-current-sandbox-policy-context.md: 093f9a8a0b58256bb4f2301cc62fa83629de4fbd
+2026-07-30-current-sandbox-policy-context.zh.md: 729ea9d50c7dbbfa027e1cad11929ae1c2b379b1
diff --git a/.agents/notes/implemented/feature/2026-07-30-current-sandbox-policy-context.md b/.agents/notes/implemented/feature/2026-07-30-current-sandbox-policy-context.md
new file mode 100644
index 0000000000..093f9a8a0b
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-current-sandbox-policy-context.md
@@ -0,0 +1,63 @@
+# Agent Note: Current sandbox policy context
+
+Status: implemented
+
+English | [中文](2026-07-30-current-sandbox-policy-context.zh.md)
+
+## Problem
+
+The sandbox policy already enforced and logged each session's file-effect mode, but a fresh model request did not contain that state. In a Web session under `read-only`, write and edit schemas remained visible, so the model claimed it could write and learned otherwise only after a denied call. After `/permission danger-full-access`, the next request carried the approval-policy change but still omitted the sandbox mode. Denial results were therefore the first model-visible policy source even when the user asked about capability before any operation.
+
+## Decision
+
+`dsh-sandbox-policy`, the owner of mode and workspace-root resolution, registers one `sandbox:policy` cache-safe context contribution. Every agent request resolves the active session directly through `ctx.sandboxPolicy.resolve({ session })`; there is no denial-history scan or process-local “last told” state.
+
+The policy contribution is capability-neutral and present for every agent session. It does not maintain a second inventory of mounted backends or tools; model-visible schemas remain the authority for available operations, while the context conditions its claims on any available operation that the DSH file sandbox enforces. The [capability-neutral policy context decision](../simplification/2026-07-31-capability-neutral-sandbox-policy-context.md) supersedes the earlier family-registration mechanism while retaining this note's cache-safe delivery and durable snapshot design.
+
+The contribution states only facts shared by every enforcement dialect. `read-only` says an available sandbox-enforced operation cannot modify files in the standing mode and directs the model to try an available tool normally, then follow any denial and escalation guidance that tool returns. `workspace-write` states the canonical session workspace with non-exclusive wording and summarizes, without enumerating, that some platform temporary areas may also be writable. `danger-full-access` says the DSH file sandbox does not restrict file modifications by available operations. Backend-selected temporary paths, `/dev/null`, runner readiness, exact tool availability, and other policy domains are absent because `resolve()` cannot establish them at request assembly.
+
+The existing `dsh-system-prompt` assembly now has ordered dynamic contexts alongside stable system sections and tool schemas. After assembling one step, agent-loop renders all active contexts as one full snapshot with an explicit supersession statement. It appends a sourced `user/message` only when no retained snapshot exists, the bytes changed, compaction removed the retained message, or the final contribution disappeared and needs one clearing snapshot. The snapshot is appended after existing history and before `step/start`, so a changed policy preserves the preceding system-and-conversation cache prefix. The session event itself reconstructs the exact model input; `request/header` remains byte-identical when only policy context changes.
+
+Ownership stays narrow. Approval policy contributes its complete current `ask` or `never` fact to the same full snapshot; migrating sandbox alone would not preserve cache because `/permission` changes both owners. Plan mode remains `plan:policy`, and tool plugins continue to own schemas plus attempt, denial, and escalation guidance. Context states standing policy; filesystem, one-shot bash, and terminal backends remain the enforcement boundaries.
+
+The cache decision follows current source rather than analogy alone. Codex models permissions as a developer-role `WorldState` section with a persisted fingerprint, emits it only when state changes or retained history lost the fragment, and records the snapshot transition. Hermes keeps its system prompt fixed for a session and explicitly prepends changing skill, model, and voice notices to the next user message to avoid invalidating prompt cache. Pi has no comparable built-in sandbox state, and Claude Code's current native implementation is not publicly inspectable; Anthropic's public cache guidance nevertheless places changing per-request context after the stable cached prefix.
+
+The earlier real-provider Web fixture quantified the defect in the system-section version. The first `danger-full-access` and `workspace-write` requests each reported only 256 cache-read tokens against 14,691 and 14,782 uncached input tokens. Later steps under an unchanged policy reported approximately 14.7k–15.5k cache-read tokens. Moving only the sandbox sentence would not fix those misses because the same preset switch also rewrote the approval-policy system section.
+
+## Wording evidence
+
+The wording experiment pre-registered preemptive refusal as its primary endpoint and required the old standing sentence to produce at least one refusal in twelve fresh sessions before any replacement could be judged. On 2026-07-30, commit `2bf41990401b194bd8637f07bbd90c67a9eeac75` ran `deepseek-v4-flash` through the shipped Web composition with the exact positive-control sentence `Bash commands run under the "read-only" file sandbox.` and the current tool-owned attempt guidance. The control produced zero preemptive refusals and zero speculative escalations; all twelve sessions made an ordinary bash call, observed a denial, escalated in the same turn, received approval, and landed the requested file. No sample was excluded.
+
+After the cache-safe delivery change, commit `10d4e0ff7b68d38fc4403403b644aac442b97a00` repeated the same twelve-session positive control through the new tail-context channel. It again produced zero preemptive refusals and zero speculative escalations; all twelve sessions made an ordinary first call, observed denial, escalated in the same turn, and received approval. Eight landed the exact requested file, and no sample was excluded.
+
+Both positive controls therefore failed the pre-registered sensitivity gate. The formal twelve-session Candidate A and B arms were not run, and these experiments do not select or validate the current wording. They establish that the earlier five-of-twelve result is not reproducible under this task and current tool guidance, and that a stronger positive control or different task distribution is required before making model-behavior rate claims. Deterministic tests below establish truthful request construction and replay only.
+
+The cache-safe delivery rework then supplied a separate, non-statistical acceptance comparison over the neutral Web task `Create the relative path policy-neutral.txt ...`; it does not replace the pre-registered twelve-session experiment. Candidate A's categorical read-only statement produced a text refusal with zero tool calls. Candidate B added one composition-conditioned sentence only for enforced families whose tools expose escalation. A fresh real-provider run then issued an ordinary `write`, observed the read-only denial, retried the same operation in the same turn with `sandbox_permissions: "workspace-write"`, received approval, read the file back, and verified the exact contents. It made no speculative escalation. Across the permission switches and four mutation steps, cache reads were 14,848–15,872 tokens while uncached input was 59–306 tokens per request, directly demonstrating the stable-prefix benefit.
+
+## Alternatives considered
+
+**Narrate only mode changes.** Rejected because it leaves a fresh session uninformed and makes the first denied operation the policy-discovery mechanism. It also requires a baseline definition that is unnecessary when current state can be rendered directly.
+
+**Scan denial history or remember the last narrated mode.** Rejected because denial events describe attempted operations, not authoritative current state, while process-local bookkeeping does not survive resume. The owner can fold the durable policy directly on every request.
+
+**Put current policy in a dynamic system section.** Rejected after real provider evidence showed that a first-time permission switch reduced cache reads to 256 tokens while roughly 14.7k input tokens missed. DeepSeek matches complete prefixes; changing the first wire message prevents reuse of the longer system-plus-history prefix.
+
+**Call `agent.inject()` independently from each policy owner.** Rejected because sibling listener order would define model order, separate messages could expose mismatched intermediate snapshots, and every owner would need its own compaction-retention scan. The existing assembly owner can order contributions and materialize one atomic full snapshot.
+
+**A generic runtime-facts package.** Rejected because the existing system-prompt assembly already owns sections, schemas, variables, scope, and the authoritative per-step waterfall. Extending that owner with ordered contexts adds no package or second registry service.
+
+**Repeat tool schemas or plan guidance in the context.** Rejected because those surfaces already have owners and independent lifecycles. Approval current state joins the snapshot only because the same `/permission` switch changes it and leaving its system section would retain the cache defect.
+
+**Keep Candidate A after the cache-safe move.** Rejected by the neutral real-provider task: the model returned a pure text refusal and made no tool call despite the existing bash attempt guidance. The surviving anti-refusal principle states no escalation mechanics itself; it tells the model not to infer impossibility from the standing label, then delegates denial and escalation behavior back to the available tool.
+
+**Keep sandbox mode absent because a standing mode label once caused preemptive refusal.** Rejected because a fresh Web request otherwise exposes mutation tools while withholding their standing policy, producing false capability claims before the first operation. The earlier live measurement remains a required counter-test: five of twelve turns ended without a tool call under `Bash commands run under the "read-only" file sandbox.` The committed tool-owned attempt guidance postdates that measurement, so the replacement is selected through a new positive-control experiment under the current tool contract rather than assuming the old and current conditions match.
+
+**A separate model-context package.** Rejected because the policy owner can resolve current session state directly and the existing assembly service can order it. A new package would add a shallow composition seam and documentation/gate surface around the same request boundary.
+
+**Enumerate writable temporary roots.** Rejected because the backend is selected later at `confine()`: bwrap, Landlock, Seatbelt, and the in-process filesystem fence do not grant one common temporary-path set. Host-specific paths in a standing request would be both unstable and overclaimed.
+
+## Consequences
+
+A model receives the standing file policy before probing a tool, and the next request after `/permission` reflects the committed mode. The stable system prompt no longer changes for sandbox or approval state; a changed full context snapshot is append-only after retained history, and unchanged state adds no message. Older snapshots remain in history but are explicitly superseded by the latest full snapshot. The statement is guidance, not an enforcement guard: runtime safety still comes from filesystem, one-shot bash, and terminal backends consuming the same resolved policy.
+
+Focused tests pin all modes, canonical roots, switch timing, service disposal, context ordering, clearing, stable request headers, resume, and byte stability across different `TMPDIR` values. Keyless assembled snapshots pin the durable context message through real Loader compositions. Keyless replay owns the neutral denial-to-escalation trajectory; it is a structural regression proof, not wording-selection evidence.
diff --git a/.agents/notes/implemented/feature/2026-07-30-current-sandbox-policy-context.zh.md b/.agents/notes/implemented/feature/2026-07-30-current-sandbox-policy-context.zh.md
new file mode 100644
index 0000000000..729ea9d50c
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-current-sandbox-policy-context.zh.md
@@ -0,0 +1,63 @@
+# Agent Note: 当前沙箱策略上下文
+
+Status: implemented
+
+[English](2026-07-30-current-sandbox-policy-context.md) | 中文
+
+## 问题
+
+沙箱策略已经强制执行并记录每个会话的文件操作模式，但新的模型请求并不包含这一状态。在 `read-only` 下的 Web 会话中，write 与 edit schema 仍然可见，因此模型会声称自己能够写入，直到一次被拒绝的调用后才发现事实并非如此。执行 `/permission danger-full-access` 后，下一个请求带有批准策略变更，却仍省略沙箱模式。因此，即使用户在任何操作前询问能力，拒绝结果也是模型可见的首个策略来源。
+
+## 决策
+
+`dsh-sandbox-policy` 负责解析模式与工作区根目录，并注册一项缓存安全的 `sandbox:policy` 上下文贡献。每次 agent（智能体）请求都通过 `ctx.sandboxPolicy.resolve({ session })` 直接解析当前会话；不存在拒绝历史扫描或进程本地的「上次告知」状态。
+
+该策略贡献不依赖具体能力，并存在于每个 agent 会话中。它不会另行维护一份已挂载后端或工具清单；模型可见的 schema 仍是可用操作的权威来源，而上下文会将其声明限定在 DSH 文件沙箱所强制执行的任何可用操作上。[不依赖具体能力的策略上下文决策](../simplification/2026-07-31-capability-neutral-sandbox-policy-context.md)取代了较早的家族注册机制，同时保留本 Agent Note 的缓存安全交付与持久快照设计。
+
+该贡献只说明所有强制执行方言所共有的事实。`read-only` 表明受沙箱强制执行的可用操作在常驻模式下无法修改文件，并指示模型正常尝试可用工具，随后遵循该工具返回的任何拒绝与升权引导。`workspace-write` 用非排他措辞说明规范化的会话工作区，并概述某些平台临时区域可能也可写，而不逐一列举。`danger-full-access` 表明 DSH 文件沙箱不会限制可用操作修改文件。后端选择的临时路径、`/dev/null`、runner 就绪状态、确切的工具可用情况和其他策略领域都不会出现，因为 `resolve()` 无法在请求组装时确定它们。
+
+现有 `dsh-system-prompt` 组装在稳定系统段与工具 schema 之外，还包含有序的动态上下文。组装一个步骤后，agent loop（智能体循环）会将所有活动上下文渲染成一份带显式取代声明的完整快照。仅当不存在保留快照、字节发生变化、压缩（compaction）移除了保留消息，或最后一项贡献消失而需要一份清除快照时，它才会追加一条带来源的 `user/message`。快照追加在现有历史之后、`step/start` 之前，因此策略变化时仍会保留此前的系统与对话缓存前缀。会话事件本身可以重建确切的模型输入；只有策略上下文变化时，`request/header` 仍逐字节相同。
+
+归属范围保持收敛。批准策略会将其完整的当前 `ask` 或 `never` 事实贡献给同一份完整快照；只迁移沙箱无法保留缓存，因为 `/permission` 会同时改变两方。计划模式仍由 `plan:policy` 负责，工具插件也继续负责各自的 schema，以及尝试、拒绝与升级引导。上下文负责说明常驻策略；文件系统、一次性 bash 与终端后端仍是强制执行边界。
+
+缓存决策依据当前源码，而不只依靠类比。Codex 将权限建模为 developer 角色的 `WorldState` 段并保存其指纹；只有状态变化或保留的历史丢失该片段时才发出它，同时记录快照转换。Hermes 在会话期间保持系统提示词不变，并明确将不断变化的 skill（技能）、模型与语音通知前置到下一条用户消息，以免提示词缓存失效。Pi 没有可比的内置沙箱状态，Claude Code 当前的原生实现也无法公开检视；不过，Anthropic 的公开缓存指南仍将不断变化的逐请求上下文放在稳定缓存前缀之后。
+
+先前接入真实提供方的 Web fixture（测试前置数据）量化了系统段版本的缺陷。首次 `danger-full-access` 和 `workspace-write` 请求分别只有 256 个缓存读取 token，而未缓存输入 token 为 14,691 和 14,782 个。相同策略下的后续步骤报告约 14.7k–15.5k 个缓存读取 token。只移动沙箱语句无法修复这些未命中，因为同一次 preset 切换还会改写批准策略系统段。
+
+## 措辞证据
+
+措辞实验预先登记「预防性拒绝」为主要终点，并要求旧常驻句子在十二个 fresh session 中至少产生一次拒绝，之后才能评判任何替代措辞。2026-07-30，commit `2bf41990401b194bd8637f07bbd90c67a9eeac75` 通过已交付的 Web 组合运行 `deepseek-v4-flash`，使用精确的阳性对照句子 `Bash commands run under the "read-only" file sandbox.` 与当前工具归属方的尝试引导。对照组产生零次预防性拒绝和零次推测性升级；十二个会话全部先发起普通 bash 调用、观察到拒绝、在同一轮次升级、获得批准，并让所请求文件实际落盘。没有样本被排除。
+
+缓存安全交付变更后，commit `10d4e0ff7b68d38fc4403403b644aac442b97a00` 通过新的尾部上下文通道重复了同一项十二会话阳性对照。结果再次为零次预防性拒绝和零次推测性升权；十二个会话的首次调用均为普通调用，随后观察到拒绝、在同一轮次升权并获得批准。其中八个会话让所请求文件按确切要求落盘，没有样本被排除。
+
+因此，两项阳性对照均未通过预先登记的灵敏度门槛。Candidate A 与 B 的正式十二会话实验组均未运行，这些实验不选择也不验证当前措辞。它们说明先前十二次中五次的结果无法在本任务与当前工具引导下复现；在声明模型行为率之前，需要更强的阳性对照或不同的任务分布。下述确定性测试只证明请求构造与回放真实一致。
+
+随后，缓存安全交付重做针对中性 Web 任务 `Create the relative path policy-neutral.txt ...` 提供了一次独立的非统计验收对比；它不取代预先登记的十二会话实验。Candidate A 的绝对化只读声明导致模型以纯文本拒绝，工具调用为零。Candidate B 只针对受强制执行、且其工具公开升权能力的家族增加一句按组合条件化的文案。随后一次全新的真实提供方运行先发出普通 `write`，观察到只读拒绝，再在同一轮次用 `sandbox_permissions: "workspace-write"` 重试同一操作，获得批准、读回文件并核验确切内容。它没有进行推测性升权。在权限切换和四个变更步骤中，每个请求的缓存读取为 14,848–15,872 个 token，未缓存输入为 59–306 个 token，直接证明了稳定前缀的收益。
+
+## 曾考虑的替代方案
+
+**仅叙述模式变更。** 不予采用，因为这会让新会话不了解策略，并把首次被拒绝的操作变成策略发现机制。如果可以直接渲染当前状态，也就无需额外定义基线。
+
+**扫描拒绝历史或记住上次叙述的模式。** 不予采用，因为拒绝事件描述的是尝试过的操作，而不是权威的当前状态；进程本地的簿记也无法跨恢复保留。归属方可以在每次请求时直接折叠持久策略。
+
+**把当前策略放入动态系统段。** 不予采用，因为真实提供方证据显示，首次权限切换后缓存读取降至 256 个 token，而约 14.7k 个输入 token 未命中缓存。DeepSeek 匹配完整前缀；改变第一条 wire 消息会阻止复用更长的系统与历史前缀。
+
+**由每个策略归属方独立调用 `agent.inject()`。** 不予采用，因为同级监听器的顺序会决定模型所见顺序，分开的消息可能暴露不匹配的中间快照，并且每个归属方都需要各自扫描压缩后的保留状态。现有组装归属方可以对贡献排序，并具体化一份原子化的完整快照。
+
+**通用运行时事实包。** 不予采用，因为现有系统提示词组装已经拥有段、schema、变量、作用域和权威的逐步骤 waterfall（瀑布式事件）。为该归属方增加有序上下文，无需新增包或第二个注册表服务。
+
+**在上下文中重复工具 schema 或计划引导。** 不予采用，因为这些接口已有各自归属方和独立生命周期。批准的当前状态加入快照，仅仅是因为同一个 `/permission` 切换会改变它，而把它留在系统段会保留缓存缺陷。
+
+**缓存安全迁移后仍保留 Candidate A。** 不予采用，因为中性的真实提供方任务中，尽管已有 bash 尝试引导，模型仍以纯文本拒绝，且没有调用工具。保留下来的反预防性拒绝原则本身不说明任何升权机制；它告诉模型不要从常驻标签推断操作不可能完成，然后把拒绝与升权行为交还给可用工具。
+
+**继续省略沙箱模式，因为常驻模式标签曾引发预防性拒绝。** 不予采用，因为新的 Web 请求否则会暴露变更工具，却隐去这些工具的常驻策略，导致模型在首次操作前错误声称自身能力。先前的线上测量仍是必须执行的反证测试：使用 `Bash commands run under the "read-only" file sandbox.` 时，十二个轮次中有五个没有调用工具。已提交的工具归属方尝试引导晚于该测量，因此应通过当前工具契约下的新阳性对照实验选择替代文案，而不能假设旧条件与当前条件相同。
+
+**独立的模型上下文包。** 不予采用，因为策略归属方可以直接解析当前会话状态，现有组装服务也可以对其排序。新包只会围绕同一个请求边界引入浅层组合 seam 和额外的文档／门禁表面。
+
+**枚举可写临时根目录。** 不予采用，因为后端要到稍后的 `confine()` 才会选定：bwrap、Landlock、Seatbelt 和进程内文件系统围栏并不授予一套共同的临时路径。常驻请求中的主机特定路径既不稳定，也会作出过度承诺。
+
+## 后果
+
+模型在试探工具前就会收到常驻文件策略，且 `/permission` 后的下一个请求会反映已提交的模式。稳定的系统提示词不再随沙箱或批准状态变化；变化后的完整上下文快照会在保留的历史之后仅追加，状态不变时不增加消息。较旧的快照仍保留在历史中，但最新的完整快照会明确取代它们。该声明是引导，而不是强制执行护栏：运行时安全仍来自文件系统、一次性 bash 与终端后端消费同一项解析完成的策略。
+
+聚焦测试固定了所有模式、规范化根目录、切换时机、服务释放、上下文顺序、清除、稳定的请求 header、恢复，以及不同 `TMPDIR` 值下的字节稳定性。无密钥的组装快照通过真实 Loader 组合固定持久上下文消息。无密钥回放负责固定中性的拒绝到升级轨迹；它是结构回归证明，而不是措辞选型证据。
diff --git a/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.i18n.yaml
index dde9f82a6d..b5068fb402 100644
--- a/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.md
-2026-07-30-deepseek-onboarding-credential-setup.md: 571b81a1a2e6f392f2553070048964d49941aae9
-2026-07-30-deepseek-onboarding-credential-setup.zh.md: 744c30814f84d063f196ce20ba48fb993d0b7713
+2026-07-30-deepseek-onboarding-credential-setup.md: ed53ffe64d3ba27e8746d58ad84d1a4c401f6ce4
+2026-07-30-deepseek-onboarding-credential-setup.zh.md: 340728ab9348e0132954e403f9bdbf561e340247
diff --git a/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.md b/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.md
index 571b81a1a2..ed53ffe64d 100644
--- a/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.md
+++ b/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.md
@@ -12,11 +12,11 @@ The [web configuration plane](../architecture/2026-07-30-web-config-plane.md) ma
 
 **One readiness projection owns both Models and onboarding facts.** `ui-models` keeps a single store that joins `llm.providers({})`, redacted `settings.describe({})`, and batched `credentials.describe({refs})`. The onboarding projection selects the `deepseek-official` configurable-provider entry owned by the `llm-deepseek` namespace and empty settings path, reads the effective `apiKeyEnv`, and evaluates the matching credential descriptor. A live route with the same provider id but no matching configurable-provider declaration is adapter-absent for onboarding. A configured literal `apiKey` secret sidecar is also ready, so compatibility configuration does not trigger a false prompt; a configured process-environment credential is ready and remains read-only.
 
-**The settings shell contributes navigation state, not provider policy.** `ui-settings` declares a root-scoped `settings.onboarding` list slot and tells registrants whether the current surface is the empty Hero. Its private `openSection(id)` callback opens the settings panel on one registered section. `ui-models` registers the DeepSeek overlay through the same declaration-aware deferred-registration path as its Models section, so plugin load order does not become a contract.
+**The settings shell contributes ordering and navigation, not provider policy.** `ui-settings` declares a root-scoped `settings.onboarding` list slot and mounts one ordered step at a time while the current surface is the empty Hero. The active registrant receives `complete()` and a private `openSection(id)` callback; completion transfers ownership to the next entry. `ui-models` registers the DeepSeek step through the same declaration-aware deferred-registration path as its Models section, so plugin load order does not become a contract and independently contributed dialogs cannot stack. The product-wide welcome step that precedes it is owned separately by [the versioned welcome decision](2026-07-30-versioned-gui-welcome-onboarding.md).
 
-**The prompt routes to the one credential editor.** A mounted, active adapter with a resolved, writable, unconfigured reference presents one action that opens Settings on Models. The existing DeepSeek setup card there exclusively owns the password input, `credentials.set({ref, value})`, write failures, and post-write refresh; the onboarding overlay never holds or submits a secret.
+**The prompt routes to the one credential editor.** A mounted, active adapter with a resolved, writable, unconfigured reference presents one action that opens Settings on Models. The existing DeepSeek setup card there exclusively owns the password input, `credentials.set({ref, value})`, write failures, and post-write refresh; the onboarding overlay never holds or submits a secret. An unavailable settings or credential capability keeps its deployment diagnostic and routes to the same page, while an absent adapter remains skipped because navigation cannot mount a Cordis plugin.
 
-**Unavailable states do not capture the product.** An absent configurable-provider entry, inactive route, failed initial join, read-only deployment, or unresolved settings or credential capability suppresses the modal because the onboarding action cannot repair that state. The Models page remains the deployment diagnostic and retry surface. Configure later dismisses a missing-credential overlay for the current mounted surface and writes no completion fact. Settings, credential, provider-topology, and connection invalidations all refresh the shared join, so an external credential update closes an open prompt without a reload.
+**Unavailable states do not capture the product.** An absent configurable-provider entry, inactive route, failed initial join, read-only deployment, or unresolved settings or credential capability completes the step without rendering because the onboarding action cannot repair that state. The Models page remains the deployment diagnostic and retry surface. Configure later completes a missing-credential step for the current mounted coordinator pass and writes no completion fact. Settings, credential, provider-topology, and connection invalidations all refresh the shared join, so an external credential update completes an open step without a reload.
 
 ## Alternatives considered
 
@@ -30,4 +30,4 @@ The [web configuration plane](../architecture/2026-07-30-web-config-plane.md) ma
 
 ## Consequences
 
-The first-run flow leads to the shipped adapter's existing editor without restarting: a keyless browser test boots the real Web composition under an isolated harness home, follows the prompt to Models, stores a generated key through that page into the home's `.env`, verifies no key reaches DOM, ARIA, or browser console output, and confirms the running page reports configured. The full keyless Web replay lane also pins that a non-configurable replay route with the same provider id does not block unrelated journeys. Pure readiness and React tests pin literal, file, process-environment, missing-provider, missing-capability, navigation, cancellation, and external-invalidation behavior. The flow deliberately inherits the configuration plane's documented base limitations rather than adding local secret storage, redaction, or settings replacement workarounds.
+The ordered flow leads from the product notice to the shipped adapter's existing editor without restarting: a keyless browser test boots the real Web composition under an isolated harness home, acknowledges the notice, follows the DeepSeek page to Models, stores a generated key through that page into the home's `.env`, verifies no key reaches DOM, ARIA, or browser console output, and confirms the running page reports configured. The full keyless Web replay lane also pins that a non-configurable replay route with the same provider id does not block unrelated journeys. Pure readiness and React tests pin literal, file, process-environment, missing-provider, missing-capability, navigation, cancellation, external-invalidation, and coordinator-transfer behavior. The flow deliberately inherits the configuration plane's documented base limitations rather than adding local secret storage, redaction, or settings replacement workarounds.
diff --git a/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.zh.md b/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.zh.md
index 744c30814f..340728ab93 100644
--- a/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-30-deepseek-onboarding-credential-setup.zh.md
@@ -10,13 +10,13 @@ Status: implemented
 
 ## 决策
 
-**Models 与首次使用引导共享同一个就绪状态投影。**`ui-models` 维护一个 store，把 `llm.providers({})`、脱敏后的 `settings.describe({})` 和批量调用的 `credentials.describe({refs})` 联接为同一份状态。首次使用投影选取由 `llm-deepseek` namespace 所有、设置路径为空的 `deepseek-official` 可配置提供方条目，读取生效的 `apiKeyEnv`，并检查对应的凭据描述符。同一提供方 ID 下的存活路由若没有匹配的可配置提供方声明，首次使用引导会将其视为适配器缺失。若 `apiKey` 字面量对应的 secret 槽位标记为已设置，也会判定为就绪，兼容配置因此不会误触发浮层；通过进程环境提供的凭据若已配置，同样判定为就绪并保持只读。
+**Models 与首次使用引导共享同一个就绪状态投影。**`ui-models` 维护一个 store，把 `llm.providers({})`、脱敏后的 `settings.describe({})` 和批量调用的 `credentials.describe({refs})` 联接为同一份状态。首次使用投影选取由 `llm-deepseek` namespace 与空 settings path 持有的 `deepseek-official` 可配置提供方条目，读取生效的 `apiKeyEnv`，并检查对应的凭据描述符。同 provider id 但没有匹配可配置提供方声明的存活路由，在首次使用引导中视为适配器缺失。若 `apiKey` 字面量对应的 secret 槽位标记为已设置，也会判定为就绪，兼容配置因此不会误触发页面；通过进程环境提供的凭据若已配置，同样判定为就绪并保持只读。
 
-**设置外壳只贡献导航状态，不持有提供方策略。**`ui-settings` 声明一个根作用域的 `settings.onboarding` list slot，并告知注册方当前界面是否为空白 Hero。其私有 `openSection(id)` 回调会打开设置面板并切换到一个已注册分区。`ui-models` 沿用 Models 分区所使用、感知 slot 声明的延迟注册路径来注册 DeepSeek 浮层，因此插件加载顺序不会成为契约。
+**设置外壳只贡献排序与导航，不持有提供方策略。** `ui-settings` 声明一个根作用域的 `settings.onboarding` list slot，并在当前界面为空白 Hero 时，每次只挂载一个有序步骤。当前注册方会收到 `complete()` 和私有 `openSection(id)` 回调；完成当前步骤后，所有权转交给下一项。`ui-models` 沿用 Models 分区所使用、感知 slot 声明的延迟注册路径来注册 DeepSeek 步骤，因此插件加载顺序不会成为契约，独立贡献的对话框也无法堆叠。排在它之前的产品级欢迎步骤由[版本化欢迎决策](2026-07-30-versioned-gui-welcome-onboarding.md)单独持有。
 
-**浮层只负责跳转到唯一的凭据编辑器。**适配器已挂载且处于活跃状态，其引用可解析、可写但尚未配置时，界面会显示一个操作按钮，用于打开「设置」的 Models 分区。该分区已有的 DeepSeek 设置卡片全权负责密码输入框、`credentials.set({ref, value})`、写入失败处理和写入后刷新；首次使用浮层绝不持有或提交 secret。
+**首次使用页面只负责跳转到唯一的凭据编辑器。**适配器已挂载且处于活跃状态，其引用可解析、可写但尚未配置时，界面会显示一个操作按钮，用于打开「设置」的 Models 分区。该分区已有的 DeepSeek 设置卡片全权负责密码输入框、`credentials.set({ref, value})`、写入失败处理和写入后刷新；首次使用页面绝不持有或提交 secret。
 
-**不可用状态不会拦截产品交互。**可配置提供方条目缺失、路由未激活、初始联接失败、部署只读、设置能力无法解析或凭据能力无法解析时均不显示模态框，因为首次使用引导的操作无法修复这些状态。Models 页仍是部署诊断与重试界面。「稍后配置」只会在当前已挂载界面中关闭凭据缺失浮层，不写入任何完成状态。设置、凭据、提供方拓扑和连接失效事件都会刷新共享联接，因此外部凭据更新无需重新加载页面即可关闭已打开的浮层。
+**不可用状态不会占住产品。** 可配置提供方条目缺失、路由不活跃、初始联接失败、部署只读或设置／凭据能力无法解析时，都会直接完成而不渲染该步骤，因为首次使用引导无法修复这些状态。Models 页仍是部署诊断与重试界面。「稍后配置」只会完成协调器当前这一次缺少凭据的步骤，不写入任何完成状态。设置、凭据、提供方拓扑和连接失效事件都会刷新共享联接，因此外部凭据更新无需重新加载页面即可完成已打开的步骤。
 
 ## 曾考虑的替代方案
 
@@ -30,4 +30,4 @@ Status: implemented
 
 ## 后果
 
-首次使用流程无需重启即可引导用户前往随产品提供的适配器已有的编辑器：无密钥浏览器测试在隔离的 harness 家目录下启动真实 Web 组合，依照浮层操作前往 Models，通过该页面把生成的密钥存入该目录的 `.env`，验证密钥未进入 DOM、ARIA 或浏览器控制台输出，并确认运行中的页面报告已配置。完整的无密钥 Web 回放链路还固化了同一提供方 ID 下的不可配置回放路由不会阻塞无关流程。纯就绪状态测试与 React 测试固化了字面量凭据、文件凭据、进程环境凭据、提供方缺失、能力缺失、导航、取消和外部失效行为。该流程直接继承配置平面已记录的基础限制，不会另加局部的机密存储、脱敏或设置替换变通方案。
+有序流程从产品声明页开始，无需重启即可引导用户前往随产品提供的适配器已有的编辑器：无密钥浏览器测试在隔离的 harness 家目录下启动真实 Web 组合，确认声明后依照 DeepSeek 页面前往 Models，通过该页面把生成的密钥存入该目录的 `.env`，验证密钥未进入 DOM、ARIA 或浏览器控制台输出，并确认运行中的页面报告已配置。完整的无密钥 Web 回放也固定了同 id 的不可配置回放路由不会阻塞无关流程。纯就绪状态测试与 React 测试固化了字面量凭据、文件凭据、进程环境凭据、提供方缺失、能力缺失、导航、取消、外部失效和协调器移交行为。该流程直接继承配置平面已记录的基础限制，不会另加局部的机密存储、脱敏或设置替换变通方案。
diff --git a/.agents/notes/implemented/feature/2026-07-30-dsh-dump-config.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-dsh-dump-config.i18n.yaml
new file mode 100644
index 0000000000..0cd2549e55
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-dsh-dump-config.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-dsh-dump-config.md
+2026-07-30-dsh-dump-config.md: bc6504541c7868bad019a1bcd9f551435109e4c6
+2026-07-30-dsh-dump-config.zh.md: 5e173305a6cd03de3db4c763f26eeda6fba68ec7
diff --git a/.agents/notes/implemented/feature/2026-07-30-dsh-dump-config.md b/.agents/notes/implemented/feature/2026-07-30-dsh-dump-config.md
new file mode 100644
index 0000000000..bc6504541c
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-dsh-dump-config.md
@@ -0,0 +1,31 @@
+# Agent Note: dsh --dump-config prints the composed config tree
+
+Status: implemented
+
+English | [中文](2026-07-30-dsh-dump-config.zh.md)
+
+## Problem
+
+The booted tree is a composition the user never sees: the shipped base, a surface overlay, and the `--config` or personal `~/.dsh/config.yaml` overlay apply as sibling patch lists where each id-targeted patch replaces the row's whole `config` and an unmatched id only warns. Debugging a misbehaving personal overlay (a restated field dropped, a row id typo, a patch applying to the wrong surface) required mentally replaying the patch algorithm across three files. There was no way to see the effective tree or to diff it against the shipped defaults.
+
+## Decision
+
+`dsh --dump-config` and `dsh web --dump-config` print the composed entry list — base, surface overlay, then the `--config` or personal overlay, exactly the layers that surface's boot assembles — as YAML on stdout and exit without booting. `dsh --dump-default-config` / `dsh web --dump-default-config` stop at the surface overlay, so diffing the two outputs shows precisely what the user layer changes.
+
+The dump cannot drift from what boots because it shares the mounting code: the vendored include exports its patch algorithm as the pure `applyEntryPatches(data, patches, warn)` (the private `applyPatches` method now delegates to it) and its `!!js` YAML dialect as `entryListSchema`; `dsh-app-boot`'s `renderConfigDump()` composes labeled layers and renders through both, and `apps/cli/src/dump-config.ts` is a thin surface-selection wrapper. `!!js` expressions print verbatim and unevaluated — the dump shows composition, not one process's environment — and a patch whose target row is absent goes to stderr with its layer label, mirroring the Loader's boot-time warning. Launcher-owned boot-context values (session identity, web CLI-flag patches, the frontend dist path) are per-invocation facts outside the config tree and do not appear. The dump flags reject boot-only flags (`-p`, `--resume`, `--config-replace`) and each other, and `--dump-default-config` takes no `--config`.
+
+Each run of same-provenance rows is preceded by a `# ==` comment naming the file that contributed the rows and the layers that patched them (`# == base.cordis.yml, patched by tui.cordis.yml`), so the output shows which section comes from which file while remaining one loadable YAML document. Composition is one flattened `applyEntryPatches` call over all layers — boot's exact call shape, so even patch-visibility corner cases (a later layer targeting a group child that a plain `config` replacement introduced, invisible to the single-pass id index) compose identically; applying one call per layer would rebuild the index between layers and print a tree boot never mounts. Provenance is derived from single-call prefix snapshots (base + layers 1..k) diffed positionally: the patch algorithm only rewrites rows in place or appends, so a top-level index identifies one row across snapshots, and a layer counts as having patched a row when adding it changed that row (config replacement, disable, group insert). Patch lists are cloned per snapshot because `applyEntryPatches` pushes `insert` rows by reference from the patch list.
+
+`dsh-app-boot` previously duplicated the include's `!!js` YAML type for patch parsing; it now imports `entryListSchema`, so the dialect has one owner.
+
+## Alternatives considered
+
+**Boot the tree and dump `ctx.loader.entries()`.** Rejected: booting evaluates `!!js` expressions (leaking one machine's environment into the printed config), starts adapters and sessions as side effects, requires a TTY-independent teardown path, and is slow. The dump is for debugging composition, which is a pure function of the files.
+
+**Reimplement the patch merge in the CLI.** Rejected: a second implementation of `applyPatches` would silently drift from the vendored include — the exact failure mode the feature exists to debug. Exporting the include's own algorithm costs one logged vendor modification and guarantees identity.
+
+**A `/dump-config` TUI command instead of flags.** Rejected as the only form: the primary use is a piped `dsh --dump-config | diff - <(dsh --dump-default-config)` style workflow, which needs a boot-free non-TTY surface. A TUI command can be added later over the same `renderConfigDump`.
+
+## Consequences
+
+Config debugging becomes one command instead of mental patch replay, and support can ask for `--dump-config` output. The vendored include carries one more logged local modification (the `applyEntryPatches`/`entryListSchema` exports; behavior-preserving for mounting) to re-apply on upstream sync. Provenance tracking re-composes one prefix snapshot per layer and diffs rows by JSON stringify, so the dump does extra work proportional to layers² × rows; that cost lives only in the boot-free dump path. `renderConfigDump` is unit-tested for layer ordering, verbatim `!!js` round-tripping, provenance separators and grouping, labeled unmatched-patch warnings, and loud read/parse/shape failures; the built-bin e2e drives all four flag forms through `lib/bin.js` including the personal-overlay layer, its provenance label, and its stderr warning.
diff --git a/.agents/notes/implemented/feature/2026-07-30-dsh-dump-config.zh.md b/.agents/notes/implemented/feature/2026-07-30-dsh-dump-config.zh.md
new file mode 100644
index 0000000000..5e173305a6
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-dsh-dump-config.zh.md
@@ -0,0 +1,31 @@
+# Agent Note: dsh --dump-config 打印合成后的配置树
+
+Status: implemented
+
+[English](2026-07-30-dsh-dump-config.md) | 中文
+
+## Problem
+
+启动的配置树是一份用户从未见过的合成结果：已交付的基础配置、界面覆盖层，以及 `--config` 或个人 `~/.dsh/config.yaml` 覆盖层作为同级补丁列表依次应用，其中每个按 id 定向的补丁替换目标行的整个 `config`，未匹配的 id 只产生警告。调试一个行为异常的个人覆盖层（漏掉需要重述的字段、行 id 拼错、补丁应用到了错误的界面）需要在脑中跨三个文件重放补丁算法。既没有办法看到生效的树，也没有办法把它与已交付的默认值做 diff。
+
+## Decision
+
+`dsh --dump-config` 和 `dsh web --dump-config` 把合成后的条目列表——基础配置、界面覆盖层、再叠 `--config` 或个人覆盖层，恰好是该界面启动时组装的那些层——以 YAML 打印到 stdout 后退出，不启动任何东西。`dsh --dump-default-config` / `dsh web --dump-default-config` 止步于界面覆盖层，因此对两份输出做 diff 就能精确看出用户层改了什么。
+
+dump 不可能与实际启动漂移，因为它复用挂载代码：vendored include 把补丁算法导出为纯函数 `applyEntryPatches(data, patches, warn)`（私有的 `applyPatches` 方法现在委托给它），并把 `!!js` YAML 方言导出为 `entryListSchema`；`dsh-app-boot` 的 `renderConfigDump()` 通过这两者对带标签的层完成合成与渲染，`apps/cli/src/dump-config.ts` 只是选择界面的薄封装。`!!js` 表达式原样打印、不求值——dump 展示的是合成结果，不是某个进程的环境——目标行不存在的补丁会连同其层标签报到 stderr，与 Loader 启动时的警告一致。由启动器持有的启动上下文值（会话身份、web 的 CLI 标志补丁、前端 dist 路径）是每次调用的事实，位于配置树之外，不会出现。dump 标志拒绝仅用于启动的标志（`-p`、`--resume`、`--config-replace`）且两个 dump 标志互斥，`--dump-default-config` 不接受 `--config`。
+
+每段来源相同的连续行之前都有一条 `# ==` 注释，标明贡献这些行的文件以及修补过它们的层（`# == base.cordis.yml, patched by tui.cordis.yml`），因此输出既展示每一节来自哪个文件，又仍是一份可加载的 YAML 文档。合成是对所有层展平后的一次 `applyEntryPatches` 调用——与启动的调用形状完全一致，因此即便是补丁可见性的边角情况（后一层定位到前一层通过普通 `config` 替换引入的组内子项，而单遍 id 索引看不到它）也与启动合成完全相同；若按层各调用一次，会在层与层之间重建索引，打印出一棵启动从不挂载的树。来源从单次调用的前缀快照（基础 + 第 1..k 层）按位置 diff 得出：补丁算法只会原地改写行或在末尾追加，因此顶层索引在各快照之间标识同一行；加入某层后该行发生变化（替换 config、禁用、组内插入）即视为该层修补了这一行。每个快照都会克隆补丁列表，因为 `applyEntryPatches` 会把 `insert` 行按引用从补丁列表推入结果。
+
+`dsh-app-boot` 之前为解析补丁复制了 include 的 `!!js` YAML 类型；现在改为导入 `entryListSchema`，方言只有一个归属者。
+
+## Alternatives considered
+
+**启动整棵树后 dump `ctx.loader.entries()`。** 拒绝：启动会求值 `!!js` 表达式（把某台机器的环境泄漏进打印的配置）、以副作用启动适配器和会话、需要独立于 TTY 的拆卸路径，而且慢。dump 是用来调试合成的，而合成是那些文件的纯函数。
+
+**在 CLI 里重新实现补丁合并。** 拒绝：`applyPatches` 的第二个实现会与 vendored include 悄然漂移——这恰恰是该功能要调试的失败模式。导出 include 自己的算法只花费一条记录在案的 vendor 修改，却保证了同一性。
+
+**用 `/dump-config` TUI 命令代替标志。** 作为唯一形式被拒绝：主要用法是 `dsh --dump-config | diff - <(dsh --dump-default-config)` 这类管道工作流，需要免启动、非 TTY 的界面。之后可以在同一个 `renderConfigDump` 之上再加 TUI 命令。
+
+## Consequences
+
+配置调试从脑中重放补丁变成一条命令，支持工作也可以直接索要 `--dump-config` 输出。vendored include 多出一条记录在案的本地修改（导出 `applyEntryPatches`/`entryListSchema`；对挂载行为无影响），上游同步时需重新应用。来源追踪为每层重新合成一次前缀快照并按 JSON stringify 对行做 diff，因此 dump 有与层数²×行数成正比的额外开销；该开销只存在于免启动的 dump 路径。`renderConfigDump` 的单元测试覆盖层叠顺序、`!!js` 原样往返、来源分隔与分组、带标签的未匹配补丁警告，以及读取／解析／形状失败的大声报错；built-bin e2e 通过 `lib/bin.js` 驱动全部四种标志形式，包括个人覆盖层、其来源标签及其 stderr 警告。
diff --git a/.agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.i18n.yaml
new file mode 100644
index 0000000000..33740e2b31
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.md
+2026-07-30-queued-manual-compaction.md: 05676ef824bc62ddbdbd8895a325570e91e4bafd
+2026-07-30-queued-manual-compaction.zh.md: b2e40a42451570887a194c215df07e98aa1bd864
diff --git a/.agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.md b/.agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.md
new file mode 100644
index 0000000000..05676ef824
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.md
@@ -0,0 +1,110 @@
+# Agent Note: Queued manual compaction with one durable lock
+
+Status: implemented
+
+English | [中文](2026-07-30-queued-manual-compaction.zh.md)
+
+## Problem
+
+Automatic compaction protects the context window, but an interactive user also needs a deterministic way to condense accumulated history before pressure policy fires. Sending `/compact` as prompt text would spend a model turn and let the conversation model reinterpret a direct control action. Implementing it inside one UI would duplicate command discovery, lifecycle logging, cancellation, and backend policy.
+
+The human command arrives between turns and must summarize asynchronously. A prompt accepted during that wait must keep its ordinary identity, FIFO position, and wakeup behavior, but it must not derive a request from history that compaction is about to replace. A status check is insufficient: a waking send schedules the driver's claim as a microtask, leaving a same-tick interval where status still reads idle even though the prompt already has right of way.
+
+Compaction also needs one mutual-exclusion fact shared by manual, pressure, overflow, and explicit-range entry points. A process-local flag alone cannot explain a crash-recovered log, while a summarize-first transaction leaves no durable evidence during the expensive interval. Conversely, treating marker pairs as exclusive containers would forbid valid idle injection even though injection is explicitly non-waking and immediate between turns.
+
+This note extends the [compaction capability seam](2026-06-18-compaction-capability-seam.md), the [session end-seed boundary](../architecture/2026-07-30-session-end-seed-log-boundary.md), and the [removal of synthetic log-only turns](../simplification/2026-07-28-remove-synthetic-log-only-turns.md). The supersession audit found partial overlap only: each remains active and owns its broader decision.
+
+## Decision
+
+### `/compact` is a command over a backend-independent seam
+
+`@deepseek-ai/dsh-command-compact` registers one argument-free human command through `ctx.commands`. It calls the third abstract `CompactService` operation, `compactNow(agent, signal)`, and maps the closed `ManualCompactionError` taxonomy (`busy | changed | summary | commit | persistence`) to direct UI results. `command/run` and `command/done` preserve the command lifecycle without entering model history or consuming a model-loop turn.
+
+The command plugin tracks each real handler promise independently of the command executor's abort-aware wait. Its composite lifecycle effect unregisters `/compact` before asynchronously draining handlers that already started, so root teardown reaches quiescence only after backend close and flush work settles.
+
+The seam's `ManualCompactAgentContext` adds only `reserveTurnAdmission()` to the session and routing facts compaction already needs. Retention, balancing, summarization, marker ordering, replacement, and durability remain backend responsibilities.
+
+### Idle turn admission is synchronously reservable
+
+`Agent.reserveTurnAdmission(): (() => void) | undefined` claims the boundary before the next ordinary turn. It succeeds only when the driver is idle, no reservation exists, and no accepted waking item already owns the next turn, including a wake whose claim is still a pending microtask.
+
+The reservation does not create a second queue. Later sends keep their `InboxItemId`, placement, FIFO order, and wakeup facts. `acceptsNextStep` remains false, so waking next-step input becomes an ordinary queued follow-up rather than steering. Release is idempotent and re-arms the existing driver path. `inject()` is not withheld.
+
+`whenIdle()` treats a reservation as unfinished activity, including when it holds a waking item. Lifecycle teardown still drains the driver's own activity promise rather than awaiting an external operation, so disposal can cancel and unwind without depending on the reservation holder.
+
+### One parameterized transaction owns every bracket
+
+`dsh-compact-basic` has one region transaction parameterized by bracket owner (`number | null`), stability rule (whole surface or selected span), and an optional flush. It performs one ordering:
+
+1. validate the selected positional range and inspect the durable tail;
+2. reject a live unmatched compaction marker;
+3. append `compact/start` synchronously;
+4. prepare and await summarization;
+5. revalidate the required stability;
+6. append `compact/summary` and the replacement `user/message`;
+7. make exactly one `compact/end` attempt;
+8. flush when the manual caller requested durability.
+
+Automatic and explicit-region work use the numeric owner recovered from the open turn and require whole-surface stability. Manual work reserves admission first, selects a useful range before the transaction, and writes nothing when selection returns `null`. Its bracket uses `turn: null`, requires only selected-span stability, and flushes every successfully closed attempt before releasing admission in `finally`.
+
+`compact/start` is therefore the only compaction lock. There is no `WeakSet`, wrapper mutex, locked/unlocked method split, or redundant activity check around the transaction.
+
+### Bracket-first deliberately differs from the surveyed implementations
+
+Codex models manual compaction as a `CompactTask` occupying its active-turn slot while automatic compaction runs inline. Pi uses the existence of a compaction abort controller as its mutex and appends compaction only after success. Claude Code shares one compaction routine between automatic and manual paths but constructs its boundary after summary streaming.
+
+DSH deliberately records `compact/start` before calling the summarizer. A slow or crashed attempt is observable, automatic and manual paths share the same durable lock, and a later writer cannot mistake an in-flight summary for an unlocked session. This is a conscious divergence from summarize-first behavior, not an accidental event-order difference.
+
+### Markers are time points, not an event container
+
+`compact/start` and `compact/end` mean lock acquisition and release. They do not claim exclusive ownership of every event between their seqs. An idle `inject()` may append a `user/message` while a manual summary is pending, so that unrelated event can sit inside the marker interval.
+
+Manual stability checks only the selected span: it must remain present, contiguous, ordered, equally priced, and balanced. Append-only context outside it does not stale the summary. Positional replacement places the checkpoint at the old span's surface position and leaves injected context after it in derived model history, even though the injection's log seq precedes the later summary and replacement events.
+
+Failed `changed` or `summary` attempts leave the conversation surface unchanged, but the log is not unchanged: it contains `compact/start` and `compact/end { error }`. User-facing text states that distinction.
+
+### End-seed distinguishes live and stale orphans
+
+Tail scanning finds the current turn, unmatched compaction start, and newest `session/end-seed` independently. An unmatched start after the newest end-seed is live and blocks every compaction entry point. An unmatched start before a later end-seed belongs to an earlier session lifecycle and is stale, so it does not wedge the resumed or forked session.
+
+The compaction invariant uses the same transition logic during seed replay: `session/end-seed` clears an open historical trace. The boundary need not publish live from the constructor for this case; replay is the load-bearing path.
+
+The client request projection closes an unmatched compaction request as interrupted at the `session/end-seed` time and clears its active index. A later `compact/start` therefore creates an independent request instead of leaving or overwriting a permanently running orphan.
+
+Once a transaction has appended its start, every later failure makes one closing attempt. A failed close leaves the unmatched start deliberately visible and blocking, and no flush is attempted. A closed manual attempt is flushed even when it reports an expected failure. Cancellation retains exact-reason precedence after required close and flush cleanup.
+
+### Reference implementation boundaries
+
+[PR #835](https://github.com/deepseek-harness/deepseek-harness/pull/835) was used as a reference implementation for the command, reservation, tests, and snapshot shape, but was not merged. Its process-local `WeakSet` lock and locked/unlocked method splits were considered and not adopted because the durable bracket is the single reachable lock.
+
+That reference also carried client-side replacement-anchor machinery to preserve transcript placement. The log-ordered transcript projection already consumes compaction from event order and does not consult mutable surface positions, so those anchors were considered and not adopted.
+
+## Alternatives considered
+
+**Check `agent.status` without reserving admission.** Rejected because an accepted waking send can still be waiting on its claim microtask while status reads idle.
+
+**Queue the command itself.** Rejected because `/compact` is direct control, not model input, and a prompt already accepted first must retain right of way rather than being reordered around a second command queue.
+
+**Summarize before appending `compact/start`.** Rejected because the expensive in-flight operation would be invisible and would not participate in the lock shared by automatic compaction.
+
+**Use both a durable marker and a process-local mutex.** Rejected because two authorities can disagree after replay and require wrapper branches for states the bracket already expresses.
+
+**Hold injection with waking prompts.** Rejected because idle injection is non-waking durable context by contract; delaying it would make plugin ordering depend on a UI command.
+
+**Require the marker interval to contain only compaction events.** Rejected because markers represent lock time points. Provenance names the selected and shadowed seqs exactly; exclusivity would add no correctness and would reject valid injection.
+
+**Treat every unmatched marker as permanently busy.** Rejected because a crash-recovered or forked session would remain wedged. `session/end-seed` is the explicit lifecycle evidence that distinguishes stale history from a live process-local attempt.
+
+## Verification
+
+Agent-loop tests cover same-tick right of way, preserved IDs and FIFO lifecycle, waking and quiet queued work, idempotent release, `whenIdle()`, cancellation, and teardown. Compact tests cover standalone and numbered invariant ownership, end-seed replay, live versus stale orphans, re-entrant listeners, selected-span drift, commit and close failures, flush ordering, exact cancellation causes, raw output and usage preservation, and automatic/manual mutual exclusion.
+
+The command package pins registration, Loader composition, argument rejection, exact success/failure text, cancellation, absence from model history, and disposal waiting across separate close and flush boundaries after an abort stops the executor from awaiting the handler. The client runtime projection test pins end-seed interruption followed by an independent completed attempt. The `queued-manual-compact` terminal snapshot drives real keystrokes through the assembled TUI: `/help` discovers the command, a held summary admits a queued prompt and immediate injection, `turn: null` markers and the flush precede the queued prompt turn, command lifecycle stays log-only, and the derived order is checkpoint → injection → queued prompt.
+
+## Consequences
+
+Interactive users can compact useful history without spending a conversation-model turn. A prompt accepted before the command wins; one submitted during the command waits with its original queue identity. Manual compaction consumes session seqs but no turn number.
+
+The log exposes slow, failed, crashed, and successful attempts through the same bracket. A stale pre-boundary orphan no longer wedges a new lifecycle, while a current unmatched start remains a hard busy signal. Marker intervals may contain unrelated events, so consumers use provenance and relative ordering rather than assuming a contiguous compaction-only slice.
+
+The shared transaction keeps one ordering and one lock across every entry point. Failure reporting is precise about whether only the log changed, the surface may have partially changed, or the in-memory commit could not be persisted.
diff --git a/.agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.zh.md b/.agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.zh.md
new file mode 100644
index 0000000000..b2e40a4245
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.zh.md
@@ -0,0 +1,110 @@
+# Agent Note: 使用单一持久锁实现排队手动压缩
+
+Status: implemented
+
+[English](2026-07-30-queued-manual-compaction.md) | 中文
+
+## 问题
+
+自动压缩（compaction）可以保护上下文窗口，但交互用户还需要一种确定性方法，在压力策略触发前压缩累积的历史。把 `/compact` 作为提示词文本发送会消耗一个模型轮次，还会让会话模型重新解释一项直接控制操作。在某个 UI 内实现该功能，则会重复命令发现、生命周期日志记录、取消与后端策略。
+
+面向用户的命令在轮次之间到达，并且必须异步生成摘要。在等待期间获接纳的提示词必须保留普通身份、FIFO 位置与唤醒行为，但不得从即将被压缩替换的历史派生请求。仅检查状态并不足够：唤醒发送会把驱动器的认领安排为 microtask，因此在同一 tick 内存在一段间隔，此时状态仍显示 idle，但提示词已经拥有优先权。
+
+手动、压力、溢出和显式范围入口点还需要共享同一项互斥事实。仅使用进程本地标志无法解释一份崩溃恢复后的日志，而先摘要再记录的事务在开销较大的等待期间不会留下持久证据。反过来，把标记对视为排他容器又会禁止有效的空闲注入，尽管注入按定义不会唤醒，并且会在轮次之间立即执行。
+
+本 Agent Note 扩展[压缩能力 seam](2026-06-18-compaction-capability-seam.md)、[会话 end-seed 边界](../architecture/2026-07-30-session-end-seed-log-boundary.md)和[移除纯日志事件的合成轮次](../simplification/2026-07-28-remove-synthetic-log-only-turns.md)。取代关系审计只发现部分重叠：三者均保持活动状态，并拥有各自更广泛的决策。
+
+## 决策
+
+### `/compact` 是基于后端无关 seam 的命令
+
+`@deepseek-ai/dsh-command-compact` 通过 `ctx.commands` 注册一个无参数、面向用户的命令。它调用第三个抽象 `CompactService` 操作 `compactNow(agent, signal)`，并把封闭的 `ManualCompactionError` 分类体系（`busy | changed | summary | commit | persistence`）映射为直接 UI 结果。`command/run` 和 `command/done` 保留命令生命周期，同时不进入模型历史，也不消耗模型循环轮次。
+
+命令插件会独立跟踪每个实际处理器 promise，不依赖命令执行器的中止感知等待。其复合生命周期 effect 先注销 `/compact`，再异步等待所有已开始的处理器结算，因此根级 teardown 只有在后端的闭合与 flush 工作结算后才会完全停稳。
+
+该 seam 的 `ManualCompactAgentContext` 只在压缩已需使用的会话与路由事实之上增加 `reserveTurnAdmission()`。保留、平衡、摘要、标记排序、替换与持久性仍由后端负责。
+
+### 可以同步预留空闲轮次接纳
+
+`Agent.reserveTurnAdmission(): (() => void) | undefined` 会在下一个普通轮次之前认领边界。仅当驱动器空闲、没有既存预留，而且尚无已获接纳的唤醒项拥有下一轮次时，它才会成功；仍在等待 microtask 认领的唤醒项也包括在内。
+
+该预留不会创建第二个队列。之后发送的项保留其 `InboxItemId`、位置、FIFO 顺序与唤醒信息。`acceptsNextStep` 保持 false，因此唤醒的 next-step 输入会成为普通的排队 follow-up，而不是 steering（中途引导）。释放操作可幂等调用，并重新启用既有驱动器路径。`inject()` 不受阻塞。
+
+`whenIdle()` 会把预留视为尚未完成的活动，包括预留持有唤醒项的情况。生命周期 teardown 仍会排空驱动器自身的 activity promise，而不会等待外部操作，因此 dispose（资源释放）可以执行取消并完成退出清理，无需依赖预留持有方。
+
+### 一个参数化事务拥有每一对标记
+
+`dsh-compact-basic` 只有一个区域事务，由标记归属值（`number | null`）、稳定性规则（整个 surface 或所选 span）与可选 flush 参数化。它按同一顺序执行：
+
+1. 验证所选位置范围，并检查持久日志尾部；
+2. 拒绝活动的未匹配压缩标记；
+3. 同步追加 `compact/start`；
+4. 准备并等待摘要；
+5. 重新验证所需稳定性；
+6. 追加 `compact/summary` 与替换用的 `user/message`；
+7. 恰好尝试一次 `compact/end`；
+8. 当手动调用方要求持久性时执行 flush。
+
+自动和显式区域工作使用从开放轮次恢复的数字归属值，并要求整个 surface 保持稳定。手动工作会先预留接纳，在进入事务前选择有效范围；选择结果为 `null` 时不写入任何内容。其标记对使用 `turn: null`，只要求所选 span 保持稳定，并在 `finally` 中释放接纳预留前 flush 每次成功闭合的尝试。
+
+因此，`compact/start` 是唯一的压缩锁。不存在 `WeakSet`、包装层 mutex、locked／unlocked 方法拆分，也不存在事务外部重复的活动状态检查。
+
+### 先记录标记有意不同于调研过的实现
+
+Codex 将手动压缩建模为占用其活动轮次槽位的 `CompactTask`，自动压缩则以内联方式运行。Pi 使用压缩 abort controller 是否存在作为 mutex，并仅在成功后追加压缩。Claude Code 的自动和手动路径共享同一个压缩例程，但会在摘要流结束后才构造边界。
+
+DSH 有意在调用摘要器前记录 `compact/start`。缓慢或崩溃的尝试因此可观察，自动与手动路径共享同一个持久锁，之后的写入方也不会把正在生成的摘要误判为未锁定会话。这是对先摘要行为的主动偏离，而不是偶然的事件顺序差异。
+
+### 标记是时间点，而不是事件容器
+
+`compact/start` 和 `compact/end` 表示获取与释放锁。它们不声称排他拥有二者 seq 之间的每个事件。手动摘要等待期间，空闲的 `inject()` 可以追加 `user/message`，因此该不相关事件可能位于标记区间内。
+
+手动稳定性只检查所选 span：它必须仍然存在、连续、有序、计价相同且保持平衡。其外部的仅追加上下文不会使摘要陈旧。位置替换会把检查点放在旧 span 的 surface 位置，并使注入上下文在派生模型历史中位于其后，即使注入的日志 seq 早于后续摘要和替换事件。
+
+失败的 `changed` 或 `summary` 尝试会保持会话 surface 不变，但日志并非没有变化：其中会包含 `compact/start` 和 `compact/end { error }`。面向用户的文本会明确说明这一区别。
+
+### End-seed 区分活动与陈旧的未匹配标记
+
+尾部扫描会分别查找当前轮次、未匹配的 compaction start 与最新 `session/end-seed`。位于最新 end-seed 之后的未匹配 start 是活动锁，会阻塞每个压缩入口点。位于较新 end-seed 之前的未匹配 start 属于更早的会话生命周期，已经陈旧，因此不会卡住恢复或 fork 后的会话。
+
+压缩不变量在 seed 回放期间使用同一项转换逻辑：`session/end-seed` 会清除开放的历史追踪状态。此场景不要求构造函数实时发布该边界；回放才是承重路径。
+
+客户端请求投影会在 `session/end-seed` 时刻将未匹配的压缩请求以中断状态结束，并清除其活动索引。因此，后续 `compact/start` 会创建一个独立请求，而不是让该遗留的未匹配请求永久保持运行状态或将其覆盖。
+
+事务追加 start 后，每次后续失败都会进行一次闭合尝试。闭合失败会有意留下可见且具有阻塞作用的未匹配 start，并且不尝试 flush。已闭合的手动尝试即使报告预期失败也会 flush。完成必需的闭合与 flush 清理后，取消仍保留原始原因优先级。
+
+### 参考实现边界
+
+[PR #835](https://github.com/deepseek-harness/deepseek-harness/pull/835) 用作命令、预留、测试与快照结构的参考实现，但未被合并。它的进程本地 `WeakSet` 锁与 locked／unlocked 方法拆分经过评估后未被采用，因为持久标记对是唯一可达的锁。
+
+该参考实现还包含客户端侧替换锚点机制，用于保留 transcript（文本记录）位置。按日志顺序排列的 transcript 投影已经从事件顺序消费压缩，并且不会查询可变 surface 位置，因此这些锚点经过评估后未被采用。
+
+## 曾考虑的替代方案
+
+**仅检查 `agent.status`，不预留接纳。** 不予采用，因为已获接纳的唤醒发送可能仍在等待其认领 microtask，而状态仍显示 idle。
+
+**把命令本身加入队列。** 不予采用，因为 `/compact` 是直接控制而非模型输入；先获接纳的提示词必须保留优先权，不能围绕第二个命令队列重新排序。
+
+**在追加 `compact/start` 前生成摘要。** 不予采用，因为开销较大的进行中操作将不可见，也不会参与自动压缩共享的锁。
+
+**同时使用持久标记与进程本地 mutex。** 不予采用，因为两项权威在回放后可能产生分歧，还会要求用包装层分支处理标记对已经表达的状态。
+
+**与唤醒提示词一起阻塞注入。** 不予采用，因为按契约，空闲注入是不会唤醒的持久上下文；延迟注入会使插件排序依赖某个 UI 命令。
+
+**要求标记区间只包含压缩事件。** 不予采用，因为标记表示锁的时间点。溯源信息会精确指明所选 seq 与被遮蔽 seq；排他性不会增加正确性，只会拒绝有效注入。
+
+**把每个未匹配标记都永久视为 busy。** 不予采用，因为崩溃恢复或 fork 后的会话会永久卡住。`session/end-seed` 是区分陈旧历史与当前进程活动尝试的显式生命周期证据。
+
+## 验证
+
+Agent loop 测试覆盖同一 tick 内的优先权、保留 ID 与 FIFO 生命周期、会唤醒和静默的排队工作、幂等释放、`whenIdle()`、取消与 teardown。压缩测试覆盖独立与数字形式的不变量 owner、end-seed 回放、活动与陈旧未匹配标记、listener 重入、所选 span 漂移、commit 与闭合失败、flush 顺序、原始取消原因、raw output 与 usage 保留，以及自动／手动互斥。
+
+命令包固定注册行为、Loader 组合、参数拒绝、精确的成功／失败文本、取消、不进入模型历史的保证，以及处置操作在中止使执行器停止等待处理器后，仍会跨越相互独立的闭合与 flush 边界等待该处理器结算。客户端运行时投影测试固定 end-seed 中断，以及随后一次独立尝试的完成。`queued-manual-compact` 终端快照通过已组装 TUI 驱动真实按键：`/help` 可发现该命令；被暂停的摘要会接纳一个排队提示词和即时注入；`turn: null` 标记与 flush 先于排队提示词轮次；命令生命周期保持纯日志；派生顺序固定为检查点 → 注入 → 排队提示词。
+
+## 后果
+
+交互用户无需消耗会话模型轮次即可压缩有效历史。在命令前获接纳的提示词胜出；命令期间提交的提示词会以原有队列身份等待。手动压缩会消耗会话 seq，但不消耗轮次编号。
+
+日志通过同一对标记暴露缓慢、失败、崩溃与成功的尝试。边界前的陈旧未匹配标记不会再卡住新的生命周期，而当前未匹配 start 仍是严格的 busy 信号。标记区间可以包含不相关事件，因此消费方使用溯源信息与相对顺序，而不假定存在连续且仅含压缩事件的切片。
+
+共享事务让每个入口点保持同一种顺序并使用同一把锁。失败报告会精确区分只有日志发生变化、surface 可能部分改变，以及内存 commit 无法持久化这三种情况。
diff --git a/.agents/notes/implemented/feature/2026-07-30-search-render-card.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-search-render-card.i18n.yaml
new file mode 100644
index 0000000000..ec0e020502
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-search-render-card.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-search-render-card.md
+2026-07-30-search-render-card.md: 36f772d7198ef30d6c243549cbaa9f16c780268b
+2026-07-30-search-render-card.zh.md: 7d7ba352f19f3fb83cb6b7d049980776dc2c277e
diff --git a/.agents/notes/implemented/feature/2026-07-30-search-render-card.md b/.agents/notes/implemented/feature/2026-07-30-search-render-card.md
new file mode 100644
index 0000000000..36f772d719
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-search-render-card.md
@@ -0,0 +1,61 @@
+# Agent Note: Search render intent — grep and glob emit a structured search card
+
+Status: implemented
+
+English | [中文](2026-07-30-search-render-card.zh.md)
+
+## Problem
+
+`grep` and `glob` return structured canonical values — `grep` a flat `{ matches: [{ path, lineNumber, line }] }`, `glob` a `{ paths: string[] }` — but every UI only ever saw their model-facing render text: `grep` groups its matches under file headers with `Line N:` rows, `glob` prints a newline-joined path list, and both append a spill footer when the inline cap (`grepMaxMatches`, default 250; `globMaxResults`, default 100) drops later results to a spill file. A web frontend that wants to render a search result as an expandable per-file group of matches, or as a selectable path list, had to re-parse that text. Both tools already declared a call-time [render intent](../architecture/2026-07-02-tool-render-intent-union.md) (`GenericCallView`, `kind: 'search'`) but no result-time view, so the completed call fell back to the generic card that renders the raw text.
+
+The structured canonical value does not cross the wire: only the model-facing render text and, when a tool declares `output.presentationMeta`, a JSON metadata payload reach the client, threaded through the `tool/result` event ([canonical-output contract](../architecture/2026-07-20-canonical-tool-output-contract.md)). A result-time view carrying structured data therefore has to project that data into `presentationMeta` and read it back in `presentResult` — the same path `write`/`edit` use for their diff cards.
+
+## Decision
+
+`packages/core/tools/src/presentation.ts` adds `card: 'search'` to the `ToolResultView` union as `SearchResultView`, a `shape`-discriminated view that expresses both tools' shapes: `SearchMatchesResultView` (`shape: 'matches'`) carries `grep`'s matches grouped by file as `files: { path, matches: { lineNumber, line }[] }[]`, and `SearchPathsResultView` (`shape: 'paths'`) carries `glob`'s flat `paths: string[]`. Both carry `truncated: boolean` and `total: number`.
+
+The discriminant is `shape`, not `kind`, deliberately: the same presentation module already gives `GenericCallView` a `kind: ToolCallKind` field whose values include `'search'` (the icon category). A bridge holding a `ToolCallView | ToolResultView` would see two `kind` fields with two meanings; `shape` for the result variant keeps the two apart.
+
+One view with two shapes rather than two cards, because both tools are the same visual object — a search result — and a web consumer switches on one `card` value, then on `shape` for the row layout. The discriminated `shape` keeps each variant's fields non-optional (a matches view always has `files`, a paths view always has `paths`) instead of a single interface where every shape-specific field is optional.
+
+The view carries **no** result text. An earlier revision attached the model-facing `result.content` to the view; that was a no-op for every consumer (the TUI already falls back to `result.content`, and web fallbacks read the raw `tool/result` content), and it serialized the whole search text a second time into the persisted view. The view is the structured shape only; a UI without a search card falls back to the raw `tool/result` content.
+
+The card tag is result-time only. A search call stays a `GenericCallView` (`kind: 'search'`): the pending state has no matches or paths to show, so there is nothing a `SearchCallView` would carry that the generic title does not. This is the asymmetry with the terminal card, whose call view carries the command, cwd, and description that exist before execution; a search's structured content exists only after `execute`.
+
+`packages/fs/tool-fs-search/src/presentation.ts` owns the projection and the narrowing. `grepSearchMeta`/`globSearchMeta` project the canonical value into a `SearchMeta` payload each tool declares as `output.presentationMeta`; `presentGrepResult`/`presentGlobResult` read `result.meta` back through `searchViewFromMeta`. They consume the SAME retained result the model-facing render consumes — `retainGrepMatches`/`retainGlobPaths` in `search-core.ts` run the inline cap and per-line preview budget ONCE, and both the render and the projection take that outcome — so text and card never disagree about which results survived, and there is no second retention pass. `total` is every result the search found (before capping); `truncated` is set when the cap dropped results. This is the truncation-honesty point: the model saw a capped inline result plus a spill footer, so the card must not present the retained page as the complete result — a UI reads `truncated`/`total` to show a capped indicator rather than claiming completeness the model never had.
+
+**The meta has its own byte budget.** The inline cap bounds the item COUNT, but the retained matches of a broad search (hundreds of long lines) can still serialize to hundreds of kilobytes, and `meta` is persisted with the session log and re-sent on every request. A deployment's final output budget (`dsh-spill-policy`, `maxInlineBytes`) only shrinks a result's `content` — `PostToolDecision` has no `meta` channel — so the projection owns keeping `meta` bounded. `capMetaBytes` drops trailing file groups / paths until the serialized meta fits `searchMetaMaxBytes` (config, default 64 KiB) and marks the result `truncated`. A single item too large to fit on its own is kept: the invariant is a bounded payload wherever droppable, never an empty card that hides a real result.
+
+`searchViewFromMeta` narrows the opaque `meta` defensively and returns `undefined` on any malformed or absent payload, so a presenter run on an older or hand-edited replayed log falls back to the generic card instead of throwing. It DOES accept a zero-result payload (`files: []` / `paths: []`) as a valid empty card — this is a deliberate departure from the mirrored `diffsFromMeta`, which rejects empty `diffs`, because a zero-match grep is a legitimate result a UI shows as "no matches", not an absent projection. `presentResult` returns `undefined` for a failed result, for absent meta (a nested `run_code` dispatch computes no `presentationMeta`), and for the other tool's meta shape (each presenter narrows to its own `shape`).
+
+The `SearchMeta` member shapes are object-literal `type` aliases, not the `SearchFileMatches`/`SearchLineMatch` interfaces the view exposes, because only a type alias is assignable to the `JsonValue` index signature `presentationMeta` returns; the two are structurally identical, so the projected value still reads back as a `SearchResultView`.
+
+The TUI (`packages/ui/tui/src/components/transcript.ts`) needs no dedicated arm: its result-view switch handles `terminal` and `diff` explicitly, and a `search` view falls through to the same dim generic body, reading the model-facing text from `this.result?.content`. Because the search view carries no `content` of its own and grep/glob returned a generic card before this PR, the TUI output stays byte-identical to the pre-search-card fallback. The web frontend that renders the structured `files`/`paths` shape is a separate later PR; this PR is the backend contract and its two producers.
+
+## Alternatives considered
+
+**A single flat `SearchResultView` interface with optional `files?` and `paths?`.** Rejected: it makes both shape-specific fields optional on every value and lets a malformed view carry both or neither. The `shape` discriminant keeps each variant's fields required and lets a consumer switch exhaustively.
+
+**Reuse `kind` as the shape discriminant.** Rejected: `kind` already means `ToolCallKind` (the icon category, whose values include `'search'`) on the call view in the same module. A second `kind` with a different meaning on the result view collides for any bridge holding both.
+
+**Attach the model-facing text as the view's `content`.** Rejected: a no-op for every current consumer and a second serialization of the whole search text into the persisted view. The view is the structured shape; text fallback reads the raw result content.
+
+**A meta channel on `PostToolDecision` so `dsh-spill-policy` bounds `meta` like it bounds `content`.** Rejected for this PR: it changes the core tool decision contract and the spill-policy plugin for one tool's payload. The projection bounding its own `meta` at a config byte cap is self-contained and keeps the seam unchanged.
+
+**A call-time `SearchCallView` mirroring the terminal card's both-sides symmetry.** Rejected: a search call has no matches or paths before `execute`, so the view would carry only the title the `GenericCallView` already carries.
+
+## Consequences
+
+`grep` and `glob` now compute `presentationMeta` on every non-nested successful call, a bounded projection over the already-retained matches or paths — the same retention outcome the render consumes, so there is no second retention pass and no doubled search text on the wire. The serialized meta is bounded by `searchMetaMaxBytes`, so a broad search no longer persists an unbounded structured copy into the session log.
+
+A UI without a search card renders the raw `tool/result` content, so no consumer regresses, and the TUI stays byte-identical. The web consumer that renders the structured shape reads `truncated`/`total` and the per-file groups; because the view carries only the retained, byte-bounded page, a UI wanting the complete result follows the spill locator in the model-facing text, exactly as the model does.
+
+## Testing
+
+`packages/fs/tool-fs-search/tests/presentation.spec.ts` pins the pure layer: `groupMatchesByFile`'s first-seen file order; `grepSearchMeta`/`globSearchMeta` projection over a shared retention outcome with `total` reporting the pre-cap count and `truncated` carried through; the per-line preview budget the retention pass applied; the serialized-meta byte cap dropping trailing groups/paths while keeping a single oversized item; and `searchViewFromMeta`'s narrowing of both good shapes, the zero-result empty card, and every malformed case (non-object/array meta, missing or mistyped `truncated`/`total`, unknown `shape`, malformed `files` entries, non-string `paths`). `packages/fs/tool-fs-search/tests/tools.spec.ts` pins the wiring through the real tool registry: a capped `grep`/`glob` execute produces the `SearchMeta` on `result.meta` and `presentResult` builds the search view (no `content`), a nested `run_code` dispatch computes no meta so `presentResult` falls back, and a failed or cross-shape or malformed result falls back to the generic card. Per-file 100% coverage holds over the search package `src`.
+
+## Related
+
+- [Tagged render-intent union for tool-call presentation](../architecture/2026-07-02-tool-render-intent-union.md) — the `card`-tagged vocabulary this extends with the `search` result tag.
+- [Canonical tool output contract](../architecture/2026-07-20-canonical-tool-output-contract.md) — the value/render/`presentationMeta` split this projection rides; the structured value stays execution-local, the card rides `meta`.
+- [Web terminal card](2026-07-28-web-terminal-card.md) — the precedent this mirrors on the backend: a tool projects its result into `presentationMeta` and a `presentResult` view; the search card's web consumer is the analogous follow-up.
diff --git a/.agents/notes/implemented/feature/2026-07-30-search-render-card.zh.md b/.agents/notes/implemented/feature/2026-07-30-search-render-card.zh.md
new file mode 100644
index 0000000000..7d7ba352f1
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-search-render-card.zh.md
@@ -0,0 +1,61 @@
+# Agent Note：搜索渲染意图 —— grep 与 glob 产出结构化搜索卡片
+
+Status: implemented
+
+[English](2026-07-30-search-render-card.md) | 中文
+
+## 问题
+
+`grep` 与 `glob` 返回结构化的 canonical 值 —— `grep` 是扁平的 `{ matches: [{ path, lineNumber, line }] }`，`glob` 是 `{ paths: string[] }` —— 但每个 UI 只见过它们面向模型的渲染文本：`grep` 把匹配按文件头分组、每行 `Line N:`，`glob` 打印换行连接的路径列表，两者在内联上限（`grepMaxMatches`，默认 250；`globMaxResults`，默认 100）把后续结果落到 spill 文件时都追加一个 spill 脚注。想把搜索结果渲染成可展开的按文件匹配组、或可选择的路径列表的 web 前端，只能去重新解析那段文本。两个工具都已声明调用时的[渲染意图](../architecture/2026-07-02-tool-render-intent-union.md)（`GenericCallView`，`kind: 'search'`），但没有结果时视图，所以已完成的调用回退到渲染原始文本的 generic 卡片。
+
+结构化 canonical 值不跨线传输：只有面向模型的渲染文本、以及当工具声明了 `output.presentationMeta` 时的一份 JSON 元数据，会经 `tool/result` 事件到达客户端（[canonical-output 契约](../architecture/2026-07-20-canonical-tool-output-contract.md)）。因此携带结构化数据的结果时视图必须把数据投影进 `presentationMeta`，再在 `presentResult` 里读回 —— 与 `write`/`edit` 的 diff 卡片走同一条路。
+
+## 决定
+
+`packages/core/tools/src/presentation.ts` 把 `card: 'search'` 作为 `SearchResultView` 加入 `ToolResultView` 联合，这是一个以 `shape` 判别的视图，表达两个工具的形状：`SearchMatchesResultView`（`shape: 'matches'`）以 `files: { path, matches: { lineNumber, line }[] }[]` 承载 `grep` 按文件分组的匹配，`SearchPathsResultView`（`shape: 'paths'`）承载 `glob` 的扁平 `paths: string[]`。两者都带 `truncated: boolean` 与 `total: number`。
+
+判别子是 `shape` 而非 `kind`，是刻意为之：同一个 presentation 模块已经给 `GenericCallView` 一个 `kind: ToolCallKind` 字段，其取值恰好包含 `'search'`（图标类别）。持有 `ToolCallView | ToolResultView` 的桥接层会看到两个含义不同的 `kind` 字段；结果变体用 `shape` 把两者分开。
+
+用一个带两种形状的视图而非两张卡片，因为两个工具是同一个视觉对象 —— 一个搜索结果 —— web 消费方先在一个 `card` 值上分支，再在 `shape` 上分支决定行布局。判别式 `shape` 让每个变体的字段保持非可选（matches 视图总有 `files`，paths 视图总有 `paths`），而不是一个所有形状相关字段都可选的单一接口。
+
+该视图**不**携带结果文本。早期版本曾把面向模型的 `result.content` 附到视图上；那对每个消费方都是 no-op（TUI 本就回退到 `result.content`，web 回退读原始 `tool/result` 内容），却把整段搜索文本又序列化进持久化视图一遍。视图只承载结构化形状；无 search 卡片的 UI 回退到原始 `tool/result` 内容。
+
+卡片标签只在结果时存在。搜索调用保持为 `GenericCallView`（`kind: 'search'`）：pending 状态没有匹配或路径可展示，所以 `SearchCallView` 能携带的东西不会比 generic 标题更多。这是与 terminal 卡片的不对称之处 —— terminal 的调用视图携带执行前就存在的命令、cwd、description；搜索的结构化内容只在 `execute` 之后才存在。
+
+`packages/fs/tool-fs-search/src/presentation.ts` 拥有投影与收窄。`grepSearchMeta`/`globSearchMeta` 把 canonical 值投影为每个工具声明为 `output.presentationMeta` 的 `SearchMeta` 载荷；`presentGrepResult`/`presentGlobResult` 经 `searchViewFromMeta` 把 `result.meta` 读回。它们消费与面向模型渲染相同的已保留结果 —— `search-core.ts` 里的 `retainGrepMatches`/`retainGlobPaths` 只跑一次内联上限与每行预览预算，render 与投影都取这份产出 —— 所以文本与卡片对哪些结果幸存永不分歧，也没有第二次保留计算。`total` 是搜索找到的全部结果（截断前）；`truncated` 在上限丢弃了结果时置位。这是截断诚实点：模型看到的是被截断的内联结果加一个 spill 脚注，所以卡片不能把保留页当作完整结果 —— UI 读 `truncated`/`total` 显示截断指示，而非宣称模型从未有过的完整性。
+
+**meta 有自己的字节预算。** 内联上限约束的是条目数，但一次宽泛搜索保留下来的匹配（数百条长行）仍可序列化到数百 KB，而 `meta` 会随会话日志持久化并在每次请求时重发。部署的最终输出预算（`dsh-spill-policy` 的 `maxInlineBytes`）只缩减结果的 `content` —— `PostToolDecision` 没有 `meta` 通道 —— 所以投影自己负责把 `meta` 约束住。`capMetaBytes` 丢弃末尾的文件组／路径，直到序列化 meta 装进 `searchMetaMaxBytes`（配置，默认 64 KiB），并把结果标记 `truncated`。单个大到自身都装不下的条目会被保留：不变量是可丢弃处一律有界，绝不产出隐藏了真实结果的空卡片。
+
+`searchViewFromMeta` 防御性地收窄不透明的 `meta`，对任何畸形或缺失载荷返回 `undefined`，使在较旧或手工编辑的回放日志上运行的 presenter 回退到 generic 卡片而非抛错。它确实接受零结果载荷（`files: []` / `paths: []`）为合法的空卡片 —— 这是与被镜像的 `diffsFromMeta` 的刻意偏离（后者拒绝空 `diffs`），因为零匹配的 grep 是 UI 展示为「no matches」的合法结果，而非缺失的投影。`presentResult` 对失败结果、对缺失 meta（嵌套 `run_code` 分发不计算 `presentationMeta`）、以及对另一工具的 meta 形状（每个 presenter 收窄到自己的 `shape`）返回 `undefined`。
+
+`SearchMeta` 的成员形状是对象字面量 `type` 别名，而非视图暴露的 `SearchFileMatches`/`SearchLineMatch` 接口，因为只有 type 别名可赋给 `presentationMeta` 返回的 `JsonValue` 索引签名；两者结构等价，所以投影值仍读回为 `SearchResultView`。
+
+TUI（`packages/ui/tui/src/components/transcript.ts`）不需要专门分支：它的结果视图 switch 显式处理 `terminal` 与 `diff`，`search` 视图落入同一个变暗的 generic body，从 `this.result?.content` 读取面向模型的文本。因为搜索视图不带自己的 `content`，而本 PR 之前 grep/glob 返回的是 generic 卡片，所以 TUI 输出与无 search 卡片的回退逐字节一致。渲染结构化 `files`/`paths` 形状的 web 前端是另一个后续 PR；本 PR 是后端契约及其两个生产者。
+
+## 考虑过的备选
+
+**一个扁平的 `SearchResultView` 接口，带可选 `files?` 与 `paths?`。** 否决：它让两个形状相关字段在每个值上都可选，并允许畸形视图同时带两者或都不带。`shape` 判别式让每个变体的字段保持必需，并让消费方穷尽分支。
+
+**复用 `kind` 作形状判别子。** 否决：同一模块里调用视图上的 `kind` 已经表示 `ToolCallKind`（图标类别，取值含 `'search'`）。结果视图上再有一个含义不同的 `kind`，对任何同时持有两者的桥接层都会冲突。
+
+**把面向模型的文本作为视图的 `content` 附上。** 否决：对每个当前消费方是 no-op，且把整段搜索文本第二次序列化进持久化视图。视图是结构化形状；文本回退读原始结果内容。
+
+**在 `PostToolDecision` 上加 meta 通道，让 `dsh-spill-policy` 像约束 `content` 那样约束 `meta`。** 本 PR 否决：它为一个工具的载荷改动核心工具决策契约与 spill-policy 插件。投影在配置字节上限处约束自己的 `meta` 是自包含的，且保持 seam 不变。
+
+**镜像 terminal 卡片双侧对称的调用时 `SearchCallView`。** 否决：搜索调用在 `execute` 前没有匹配或路径，视图只会携带 `GenericCallView` 已有的标题。
+
+## 后果
+
+`grep` 与 `glob` 现在在每次非嵌套的成功调用上计算 `presentationMeta`，这是对已保留匹配或路径的一次有界投影 —— 与 render 消费的是同一份保留产出，所以没有第二次保留计算，线上也没有翻倍的搜索文本。序列化 meta 受 `searchMetaMaxBytes` 约束，所以宽泛搜索不再把无界的结构化副本持久化进会话日志。
+
+无 search 卡片的 UI 渲染原始 `tool/result` 内容，所以没有消费方退化，TUI 也逐字节一致。渲染结构化形状的 web 消费方读 `truncated`/`total` 与按文件分组；因为视图只携带保留的、字节有界的页，想要完整结果的 UI 跟随面向模型文本里的 spill 定位符，与模型的做法完全一致。
+
+## 测试
+
+`packages/fs/tool-fs-search/tests/presentation.spec.ts` 钉住纯层：`groupMatchesByFile` 的首见文件顺序；`grepSearchMeta`/`globSearchMeta` 在共享保留产出上的投影，`total` 报告截断前计数、`truncated` 被带过；保留过程施加的每行预览预算；序列化 meta 字节上限丢弃末尾组／路径同时保留单个超大条目；以及 `searchViewFromMeta` 对两种良好形状、零结果空卡片、以及每种畸形情形（非对象／数组 meta、缺失或误型的 `truncated`/`total`、未知 `shape`、畸形 `files` 条目、非字符串 `paths`）的收窄。`packages/fs/tool-fs-search/tests/tools.spec.ts` 钉住经真实工具注册表的接线：被截断的 `grep`/`glob` execute 在 `result.meta` 上产出 `SearchMeta`，`presentResult` 构建搜索视图（无 `content`），嵌套 `run_code` 分发不计算 meta 故 `presentResult` 回退，失败或跨形状或畸形结果回退到 generic 卡片。搜索包 `src` 上保持 per-file 100% 覆盖。
+
+## 相关
+
+- [工具调用呈现的带标签渲染意图联合](../architecture/2026-07-02-tool-render-intent-union.md) —— 本 PR 用 `search` 结果标签扩展的 `card` 标签词汇。
+- [Canonical 工具输出契约](../architecture/2026-07-20-canonical-tool-output-contract.md) —— 本投影所乘的 value/render/`presentationMeta` 划分；结构化值留在执行本地，卡片乘 `meta`。
+- [Web terminal 卡片](2026-07-28-web-terminal-card.md) —— 本 PR 在后端镜像的先例：工具把结果投影进 `presentationMeta` 与一个 `presentResult` 视图；搜索卡片的 web 消费方是与之类比的后续。
diff --git a/.agents/notes/implemented/feature/2026-07-30-versioned-gui-welcome-onboarding.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-versioned-gui-welcome-onboarding.i18n.yaml
new file mode 100644
index 0000000000..579586f30a
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-versioned-gui-welcome-onboarding.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-versioned-gui-welcome-onboarding.md
+2026-07-30-versioned-gui-welcome-onboarding.md: 8155838f3b6b50f3474ef6c30065ad0d79e6f8af
+2026-07-30-versioned-gui-welcome-onboarding.zh.md: c221a6d663af60b03757f135045961bcbcdd0da7
diff --git a/.agents/notes/implemented/feature/2026-07-30-versioned-gui-welcome-onboarding.md b/.agents/notes/implemented/feature/2026-07-30-versioned-gui-welcome-onboarding.md
new file mode 100644
index 0000000000..8155838f3b
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-versioned-gui-welcome-onboarding.md
@@ -0,0 +1,35 @@
+# Agent Note: Versioned GUI welcome onboarding
+
+Status: implemented
+
+English | [中文](2026-07-30-versioned-gui-welcome-onboarding.zh.md)
+
+## Problem
+
+The GUI's credential onboarding begins with a DeepSeek-specific readiness check, but the internal-test notice applies to every user and must precede provider setup even when a credential is already configured. Treating both as independent overlays permits simultaneous dialogs, while a process-local dismissal cannot distinguish a completed notice from a window closed before acknowledgement or intentionally present revised copy once.
+
+## Decision
+
+**The Settings shell coordinates ordered steps.** `settings.onboarding` remains a root-scoped list, but `ui-settings` projects its entry ids and order into one coordinator and mounts only the first incomplete step. The active registrant receives `complete()` and `openSection(id)`; no later step mounts until ownership transfers. The product welcome registers at order `-100`, while `ui-models` retains only the conditional DeepSeek readiness and credential-routing step at order `0`.
+
+**Ownerless product onboarding belongs to `ui-settings-general`.** `src/onboarding-copy.ts` is the single editable source for the complete notice, the Continue label, and `WELCOME_NOTICE_VERSION`; both supported GUI locales intentionally render the same Chinese owner copy. Runtime locale dictionaries derive their welcome values from that file, and tests import the same owner instead of repeating paragraph text. The notice is browser UI only: it creates no Session event and contributes no model-visible content. The notice identifies `DSH_TELEMETRY_DISABLED=1` as the telemetry opt-out.
+
+**Acknowledgement is durable per Harness profile.** The Host half registers a `ui-onboarding` section in the user-settings seam, stored under the active `$DSH_HOME/settings.yaml`. The browser shows the notice unless `welcomeNoticeVersion` equals the owner constant exactly. Continue applies one path mutation with the current version and calls `complete()` only after the Host commits it; a failed write leaves the notice open, and closing the page or process writes nothing. Bumping the constant intentionally makes every profile acknowledge the revised copy once.
+
+**Concurrent views converge without stale replacement.** The acknowledgement write omits `expectedRevision` deliberately: every tab writes the same version to one path, so the operation is idempotent and preserves sibling fields instead of rebuilding the section. `settings/document-updated` becomes `host/settings-changed`; an already mounted tab refetches and advances when another tab or an external editor commits the current version. The API proxy exposes this one product namespace through a closed allowlist beside configurable-provider namespaces, without treating its changes as model-catalog invalidations.
+
+**Onboarding temporarily owns the viewport as one continuous stage.** A solid product surface replaces the complete application view through a body-level portal and marks the underlying app root inert; the exact required mask remains mounted behind that surface with `position:absolute`, zero left/right/bottom offsets, `top:80px`, `rgba(0, 0, 0, 0.24)`, and `backdrop-filter: blur(2px)`. Welcome and conditional credential setup render as successive pages in this stage instead of independent modals. Both pages reuse the Web UI's black `BrandWordmark`. The welcome page preserves the four authored paragraphs verbatim under the `内测声明` title; every paragraph uses one 16/28 body scale, and only the requested action clause inside the final paragraph receives a subtle 500 weight. A short staggered opacity/vertical entrance supplies pacing without blocking interaction and disappears under reduced motion. The title receives initial focus, Continue is the sole button, and no close, Escape, or mask-click path exists.
+
+## Alternatives considered
+
+**Browser local storage** — rejected because acknowledgement would follow one browser profile rather than `$DSH_HOME`; a fresh Harness profile could incorrectly inherit a prior acknowledgement, and external profile edits would have no authoritative update stream.
+
+**A second independent modal in `ui-settings-general`** — rejected because list registrants would still stack whenever welcome and credential readiness were both true. Ordered ownership belongs to the shell that declares and renders the list.
+
+**Persisting on render or window close** — rejected because observation is not acknowledgement and close delivery is unreliable. Only the explicit Continue commit may suppress the next launch.
+
+**A generic public settings-exposure flag** — rejected because one product namespace does not justify widening every settings registrant's public configuration surface. The gateway keeps an explicit closed allowlist.
+
+## Consequences
+
+A fresh profile always sees the welcome notice before provider-specific onboarding; an already configured credential skips only the later DeepSeek step. Reloading after Continue stays past the acknowledged version, changing the owner version presents it again, and closing before Continue leaves the next launch unchanged. Focused store and React tests pin exact-version comparison, write failure, sole-action behavior, no-dismiss paths, coordinator ordering, conditional DeepSeek transfer, and HMR cleanup. The real Chromium scenario boots the shipped Web composition with an isolated harness home, verifies the exact mask geometry and computed styles, reloads before and after acknowledgement, continues into missing-credential setup, confirms an acknowledged-version mismatch returns while the credential is configured, and checks the browser console.
diff --git a/.agents/notes/implemented/feature/2026-07-30-versioned-gui-welcome-onboarding.zh.md b/.agents/notes/implemented/feature/2026-07-30-versioned-gui-welcome-onboarding.zh.md
new file mode 100644
index 0000000000..c221a6d663
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-versioned-gui-welcome-onboarding.zh.md
@@ -0,0 +1,35 @@
+# Agent Note: 版本化 GUI 欢迎引导
+
+Status: implemented
+
+[English](2026-07-30-versioned-gui-welcome-onboarding.md) | 中文
+
+## 问题
+
+GUI 的凭据引导从 DeepSeek 专用的就绪状态检查开始，但内部测试通知适用于每位用户，即使凭据已经配置，也必须先于提供方设置显示。若把两者作为独立浮层处理，多个对话框可能同时出现；仅存于进程内的关闭标记既无法区分通知已完成确认还是窗口在确认前已关闭，也无法在文案有意修订后重新显示一次通知。
+
+## 决策
+
+**设置外壳协调有序步骤。** `settings.onboarding` 仍是根作用域 list，但 `ui-settings` 会把其中各条目的 id 和顺序投影到一个协调器中，并且只挂载第一个未完成的步骤。当前注册方会收到 `complete()` 和 `openSection(id)`；所有权转移前，不会挂载后续步骤。产品欢迎步骤的顺序为 `-100`，`ui-models` 则只保留顺序为 `0` 的 DeepSeek 条件式就绪状态与凭据跳转步骤。
+
+**不属于单一功能的产品引导由 `ui-settings-general` 持有。** `src/onboarding-copy.ts` 是完整通知、「继续」按钮文案和 `WELCOME_NOTICE_VERSION` 的唯一可编辑来源；GUI 支持的两种 locale 都有意渲染同一份中文所有者文案。运行时 locale 字典从该文件派生欢迎文案，测试也导入同一个所有者，而不重复段落文本。该通知只存在于浏览器 UI：它不会创建会话事件，也不会贡献任何模型可见内容。通知明确以 `DSH_TELEMETRY_DISABLED=1` 作为遥测关闭方式。
+
+**确认状态按 Harness profile 持久化。** 宿主端在 user-settings seam 中注册 `ui-onboarding` 分节，并存入当前 `$DSH_HOME/settings.yaml`。除非 `welcomeNoticeVersion` 与文案所有者文件中的常量精确相等，否则浏览器会显示通知。「继续」会以当前版本执行一次路径变更，并且仅在宿主端提交成功后调用 `complete()`；写入失败时通知保持打开，关闭页面或进程则不会写入任何内容。提升该常量会有意要求每个 profile 对修订后的文案重新确认一次。
+
+**并发视图无需陈旧的整体替换即可收敛。** 确认写入有意省略 `expectedRevision`：每个标签页都向同一路径写入相同版本，因此该操作是幂等的，并会保留同级字段，而不是重建整个分节。`settings/document-updated` 会转为 `host/settings-changed`；另一个标签页或外部编辑器提交当前版本后，已挂载的标签页会重新拉取状态并推进。API 网关在可配置提供方 namespace 之外，通过封闭的允许列表暴露这一个产品 namespace，同时不会把它的变更视为模型目录失效事件。
+
+**引导流程会暂时接管视口，形成一个连续阶段。** 纯色产品界面通过挂载到 `body` 的 portal 取代完整的应用视图，并将底层应用根节点标记为 inert；严格符合要求的遮罩仍挂载在该界面后方，并保留 `position:absolute`、left/right/bottom 偏移量为零、`top:80px`、`rgba(0, 0, 0, 0.24)` 和 `backdrop-filter: blur(2px)`。欢迎页和按条件显示的凭据设置页在这一阶段中依次呈现，而不是各自作为独立的模态窗口。两个页面都复用 Web UI 的黑色 `BrandWordmark`。欢迎页在 `内测声明` 标题下逐字保留既定的四段文案；所有段落统一采用 16/28 的正文字号与行高，只有最后一段中指定的行动语句使用较为克制的 500 字重。短暂的错落式透明度与纵向位移动画营造出舒缓节奏，但不会阻碍交互，并会在用户启用减少动态效果时禁用。初始焦点落在标题上，「继续」是唯一按钮，且不存在关闭、Escape 或点击遮罩的退出路径。
+
+## 曾考虑的替代方案
+
+**浏览器本地存储**：不予采用，因为确认状态会跟随某个浏览器 profile，而不是 `$DSH_HOME`；全新的 Harness profile 可能错误继承此前的确认状态，外部 profile 编辑也没有权威更新流。
+
+**在 `ui-settings-general` 中再增加一个独立模态窗口**：不予采用，因为欢迎通知和凭据就绪状态同时为真时，list 注册方仍会堆叠。声明并渲染该 list 的外壳应当持有有序所有权。
+
+**在渲染或窗口关闭时持久化**：不予采用，因为看见通知不等于确认，窗口关闭事件也无法可靠送达。只有显式提交「继续」才能阻止通知在下次启动时再次显示。
+
+**通用的公开设置暴露标志**：不予采用，因为一个产品 namespace 不足以证明应当扩大每个 settings 注册方的公开配置面。网关保留显式的封闭允许列表。
+
+## 后果
+
+全新 profile 始终会在提供方专用引导之前看到欢迎通知；凭据已经配置时，只会跳过后续 DeepSeek 步骤。点击「继续」后重新加载不会再次显示已确认版本，更改文案所有者文件中的版本值会让通知重新出现，而确认前关闭窗口不会改变下次启动。针对性的 store 与 React 测试固化了精确版本比较、写入失败、单一操作、不可关闭路径、协调器顺序、按条件移交 DeepSeek 步骤和 HMR（热模块替换）清理行为。真实 Chromium 场景会使用隔离的 harness 家目录启动随产品提供的 Web 组合，验证遮罩的精确几何尺寸和计算样式，在确认前后分别重新加载，继续进入凭据缺失设置流程，确认凭据已配置时确认版本不匹配仍会使通知重新出现，并检查浏览器控制台。
diff --git a/.agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.i18n.yaml
new file mode 100644
index 0000000000..5a414af614
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.md
+2026-07-30-versioned-tui-first-run-welcome.md: 5270c239f0bccbf58e68364e195ff2175355a816
+2026-07-30-versioned-tui-first-run-welcome.zh.md: cd132fde5ff0601cef6cd3cd433fdd15dc05f7f0
diff --git a/.agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.md b/.agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.md
new file mode 100644
index 0000000000..5270c239f0
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.md
@@ -0,0 +1,43 @@
+# Agent Note: Versioned TUI first-run welcome
+
+Status: implemented
+
+English | [中文](2026-07-30-versioned-tui-first-run-welcome.zh.md)
+
+## Problem
+
+The shipped `dsh` terminal starts directly in the editor and gives first-time internal testers no durable orientation about the product's maturity or feedback channel. The existing one-line `welcome` banner subtitle cannot carry the supplied notice without crowding the normal session header, and putting onboarding in the session log would create a user turn or model-visible context that is unrelated to the user's work.
+
+The notice also needs a recognizable DeepSeek composition without copying another product's startup art or maintaining a hand-drawn approximation that drifts from the official mark.
+
+## Decision
+
+The official `dsh` launcher owns one versioned acknowledgement marker under the resolved `DSH_HOME`. It checks the immutable marker before boot, then mounts an effect-owned consumer of `ctx.tui.openOverlay()` only after the real TUI service is available. Enter is the sole acknowledgement action: the plugin creates and synchronizes the fixed per-version marker before closing. Escape and unrecognized input leave the overlay open; Ctrl+C and Ctrl+D use the normal exit path without acknowledging. Disposal waits for an acknowledgement already started by Enter, while disposal or process exit before Enter writes nothing. The version is part of the marker filename, so incrementing the centrally owned notice version presents materially revised copy once without migrating or rewriting an aggregate settings document.
+
+The marker is launcher state rather than session persistence because eligibility spans sessions and workspaces but is scoped to one Harness home. Each Enter syncs a random same-directory file before atomically replacing the fixed marker; concurrent launches publish the same immutable fact, so same-value last-writer-wins replacement has no lost-update shape and needs no lock or dependency on the settings stack. The notice never appends a session event, injects model context, or creates a user turn; resume therefore presents it only when the same Harness home has not acknowledged that version and never replays it from the session log.
+
+The supplied official `24x24` DeepSeek SVG is committed as the visual source. Static full, compact, and minimal terminal rasters sample that exact path at decreasing square resolutions; they do not redraw the contour. Unicode `▀`/`▄`/`█` cells preserve two vertical source pixels per terminal cell, while an explicitly ASCII-only locale uses the bit-equivalent `'`/`_`/`#` fallback. ANSI styling stays outside both the SVG and editable copy: `ctx.tui` supplies a semantic `brand` role, using the official `#4D6BFE` ink when truecolor is available, standard ANSI blue otherwise, and plain text when color is disabled. The normal startup banner retains its existing gradient.
+
+The overlay is centered and consumes the available terminal width, while its height follows actual content and treats 90% of the viewport only as an upper bound. Wide terminals place the full icon beside the title and prose; medium and narrow terminals stack the compact or minimal icon above them; low height removes the icon before reducing prose space. The prose scrolls while the title and only action remain fixed. Every locale uses the same centrally owned Chinese copy, and the quotation is promoted to its own visual paragraph without changing that string. Closing through Enter returns modal ownership to the existing FIFO manager, which restores the editor and leaves the normal startup banner, transcript, and focus behavior intact.
+
+## Verification
+
+Focused unit coverage pins the supplied SVG and Chinese copy hashes, version bumps, exclusive concurrent acknowledgement, malformed markers, persistence retry, Escape behavior, ASCII fallback, width-tier selection, bounded rendering, and low-height scrolling. Real Loader/PTY cases cover 60, 80, 120, and 160 columns plus a low-height viewport, emit semantic terminal snapshots, prove first launch then second-launch suppression under one `DSH_HOME`, and prove a resumed session appends no notice-derived user message or turn; ordinary terminal-exit lifecycle events remain unchanged.
+
+## Alternatives considered
+
+**Reuse the TUI `welcome` subtitle.** It is one transient header line whose normal job is to identify an untitled session. The required prose and action would either be clipped or permanently crowd ordinary launches.
+
+**Copy Claude Code's startup art or composition.** Its strong hierarchy is useful product evidence, but its graphic, layout, and brand treatment belong to another product. The official DeepSeek SVG provides a direct brand source, and the terminal composition is derived independently around this notice's copy and responsive constraints.
+
+**Hand-draw an original whale.** A freehand silhouette can be recognizable yet still disagree with the official mark's body, internal negative space, fin, and tail. Exact-path raster sampling keeps the terminal limitation explicit and makes every tier traceable to one source asset.
+
+**Store a boolean in session events or a shared settings document.** Session state has the wrong lifetime and would pollute replay or model-visible history. An aggregate document would require cross-process read-modify-write locking for one immutable fact; an atomically replaced version marker has no lost-update shape.
+
+**Allow Escape or a later-reminder action.** Either would make dismissal indistinguishable from acknowledgement or introduce reminder policy that the notice does not need. Normal process exit remains the abort path and leaves the version unacknowledged.
+
+## Consequences
+
+Each Harness home receives the notice once per copy version, only after a successful Enter acknowledgement. Maintainers can edit the all-locale Chinese wording and version in one small owner file, and can update the official SVG and derived static rasters in their separate visual owner without chasing snapshots for full prose copies.
+
+The terminal cannot display SVG vectors directly, so its faithful representation is resolution-bounded. Smaller tiers preserve the sampled silhouette but necessarily lose fine detail; low-height terminals prefer readable prose and an always-reachable action over brand art. The marker format is intentionally one-file-per-version during the pre-release period; old markers are harmless and no compatibility reader is required.
diff --git a/.agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.zh.md b/.agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.zh.md
new file mode 100644
index 0000000000..cd132fde5f
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.zh.md
@@ -0,0 +1,43 @@
+# Agent Note: 版本化 TUI 首次运行欢迎页
+
+Status: implemented
+
+[English](2026-07-30-versioned-tui-first-run-welcome.md) | 中文
+
+## 问题
+
+已交付的 `dsh` 终端会直接进入编辑器，没有为首次使用的内部测试者提供持久的产品成熟度说明或反馈渠道指引。现有单行 `welcome` banner 副标题无法容纳指定通知，否则会挤占正常的会话 header；如果把 onboarding 写入会话日志，还会创建一个与用户工作无关的用户轮次或模型可见上下文。
+
+该通知还需要形成具有辨识度的 DeepSeek 视觉构图，同时不能复制其他产品的启动图形，也不能维护一份会偏离官方标志的手绘近似图。
+
+## 决策
+
+官方 `dsh` 启动器在解析后的 `DSH_HOME` 下持有一个版本化确认标记。它会在启动前检查该不可变标记，并仅在真实 TUI 服务可用后，挂载一个由 effect 持有的 `ctx.tui.openOverlay()` 消费方。Enter 是唯一确认操作：插件先创建并同步固定的逐版本标记，再关闭浮层。Escape 和无法识别的输入会让浮层保持打开；Ctrl+C 与 Ctrl+D 通过普通退出路径离开且不确认。资源释放会等待已经由 Enter 启动的确认任务；在按 Enter 前进行资源释放或退出进程不会写入任何内容。版本号属于标记文件名的一部分，因此只需递增集中持有的通知版本，即可让有实质修改的文案重新展示一次，无需迁移或改写聚合设置文档。
+
+该标记属于启动器状态，而非会话持久化，因为展示资格跨越会话与 workspace，但作用域仅限一个 Harness 主目录。每次 Enter 都会先同步一个同目录随机文件，再以原子方式替换固定标记；并发启动发布的是同一个不可变事实，因此同值的最后写入者胜出不会丢失更新，也无需加锁或依赖设置栈。该通知绝不追加会话事件、注入模型上下文或创建用户轮次；因此，恢复会话只会在同一个 Harness 主目录尚未确认该版本时展示通知，也绝不会从会话日志中回放通知。
+
+指定的官方 `24x24` DeepSeek SVG 作为视觉真源提交。静态的完整、紧凑和最小终端栅格图以逐级降低的方形分辨率对该精确路径取样，不会重新绘制轮廓。Unicode `▀`/`▄`/`█` 单元格让每个终端单元格保留两个垂直方向的源像素；明确仅支持 ASCII 的 locale 则使用位级等价的 `'`/`_`/`#` 回退。ANSI 样式与 SVG 和可编辑文案完全分离：`ctx.tui` 提供语义化 `brand` 角色，在真彩色可用时使用官方 `#4D6BFE` 色值，否则使用标准 ANSI 蓝色；禁用颜色时则使用纯文本。普通启动 banner 保留现有渐变。
+
+浮层居中显示，并使用可用的终端宽度；高度则跟随实际内容，仅将 viewport 的 90% 作为上限。宽终端将完整图标置于标题与正文旁边；中等和窄终端把紧凑或最小图标堆叠在正文上方；高度不足时，先移除图标，再减少正文空间。正文可以滚动，而标题和唯一操作保持固定。所有 locale 共用同一份集中持有的中文文案，引用内容会提升为独立的视觉段落，但不会改变该字符串。通过 Enter 关闭浮层后，模态所有权会交还给现有 FIFO 管理器；该管理器恢复编辑器，同时保持正常的启动 banner、transcript（文本记录）和焦点行为不变。
+
+## 验证
+
+聚焦单元测试固定指定 SVG 与中文文案的 hash、版本递增、并发独占确认、格式错误的标记、持久化重试、Escape 行为、ASCII 回退、宽度分级选择、有界渲染和低高度滚动。真实 Loader/PTY 用例覆盖 60、80、120、160 列以及一个低高度 viewport，产出语义终端快照，证明同一个 `DSH_HOME` 下首次启动后再次启动会抑制展示，并证明恢复会话不会追加任何由通知衍生的用户消息或轮次；普通终端退出的生命周期事件保持不变。
+
+## 曾考虑的替代方案
+
+**复用 TUI 的 `welcome` 副标题。** 它是一行瞬态 header，正常职责是标识无标题会话。所需正文和操作要么会被裁剪，要么会永久挤占普通启动界面。
+
+**复制 Claude Code 的启动图形或构图。** 其清晰的视觉层级是有用的产品证据，但图形、布局和品牌处理属于另一个产品。官方 DeepSeek SVG 提供直接的品牌来源，而终端构图围绕本通知的文案与响应式约束独立推导。
+
+**手绘原创鲸鱼。** 自由绘制的轮廓可以具有辨识度，却仍可能与官方标志的身体、内部负空间、鳍和尾部不一致。对精确路径进行栅格取样，可以明确呈现终端限制，并让每个分级都能追溯到同一个源资产。
+
+**在会话事件或共享设置文档中存储布尔值。** 会话状态的生命周期不正确，还会污染回放或模型可见历史。聚合文档为记录一个不可变事实，需要承担跨进程读取、修改、写入锁；以原子方式替换的版本标记不存在更新丢失问题。
+
+**允许 Escape 或稍后提醒操作。** 两者都会让取消与确认无法区分，或引入本通知并不需要的提醒策略。正常退出进程仍是中止路径，并会让该版本保持未确认状态。
+
+## 后果
+
+每个 Harness 主目录在每个文案版本中都会收到一次通知，且仅在用户成功按 Enter 确认后停止展示。维护者可以在一个小型 owner 文件中编辑所有 locale 共用的中文文案和版本，也可以在独立的视觉 owner 中更新官方 SVG 与衍生静态栅格图，无需到各个快照中查找完整正文副本。
+
+终端无法直接显示 SVG 矢量图，因此其忠实呈现受分辨率限制。较小分级会保留取样后的轮廓，但必然损失精细细节；低高度终端优先保障正文可读和操作始终可达，而非展示品牌图形。在预发布阶段，标记格式有意采用每个版本一个文件；旧标记无害，也无需兼容性读取器。
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-diff-card.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-web-diff-card.i18n.yaml
new file mode 100644
index 0000000000..f9b2cfa908
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-diff-card.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-web-diff-card.md
+2026-07-30-web-diff-card.md: 396bdbc2843c1bbed5c6a913be436d8b9e96a81c
+2026-07-30-web-diff-card.zh.md: afdeafa6e94b46b4f0fbd4a065afdac8a93ac57d
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-diff-card.md b/.agents/notes/implemented/feature/2026-07-30-web-diff-card.md
new file mode 100644
index 0000000000..396bdbc284
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-diff-card.md
@@ -0,0 +1,57 @@
+# Agent Note: Web diff card — the write/edit render intent reaches the browser
+
+Status: implemented
+
+English | [中文](2026-07-30-web-diff-card.zh.md)
+
+## Problem
+
+The `write` and `edit` tools declare `card: 'diff'` for both their call and their result ([render-intent union](../architecture/2026-07-02-tool-render-intent-union.md)): the call view carries the intended change derived from the arguments, and the result view carries the applied contextual hunks (`FileDiff[]`, computed by `packages/fs/tool-fs/src/diff.ts` and persisted in the result `meta` so replay reproduces it). That view already reaches the browser — host, connection, and runtime deliver it onto `ConversationSnapshot` as `callView`/`resultView` — and the TUI already renders it as per-file `+`/`-` blocks with a `+A -R · N file(s)` footer.
+
+The Web client ignored it. A write/edit call landed on `GenericToolCard`, whose row is derived from raw tool args, and the details panel flattened the result's content blocks into one `<pre>`. The `diffs` payload — the whole point of the result — was discarded, so a file mutation read as a one-line confirmation with no visible change.
+
+This is the [terminal card](2026-07-28-web-terminal-card.md) done for the `diff` arm: that change made the Web client a consumer of the `terminal` render intent; this one makes it a consumer of the `diff` render intent, reusing the same four-layer shape.
+
+## Decision
+
+`DiffBlock` is a `ui-primitives` component that renders a file mutation as an inline diff surface, and both Web render sites for a write/edit call consume the diff render intent through it: the chat tool row's body and the details panel's Output section. `ui-conversation/src/client/contract/diff-card-model.ts` is the single place that turns the snapshot's `callView`/`resultView` pair into the component's props, so the two sites cannot disagree about a change. It returns null — the generic path — whenever neither side declares `card: 'diff'`, including a `card` value this client version does not know, and whenever a settled call's result view is generic, which is how write/edit keep their execution errors on the generic path. The result side is authoritative once the call settles: the applied hunks replace the call-time diff derived from the arguments alone. A paging window that drops the call head still renders, because the result view carries the whole change.
+
+The component's contract follows the TUI's `diffLines` (`packages/ui/tui/src/components/transcript.ts`) so a diff reads the same shape across front ends:
+
+- **One path header per file.** A new file opens a bold path header; a same-file second hunk (a scattered edit, or a `replace_all`) opens with a `⋯` gap instead of repeating the path. The `N file(s)` footer counts DISTINCT paths on both front ends — this PR moved the TUI footer off `diffs.length` onto the distinct-path count, so two hunks in one file read as `1 file` in both.
+- **The change in the diff's own colors.** A removed line is `- ` on the error token, an added line is `+ ` on the success token, drawn verbatim with `white-space: pre` inside a horizontally scrolling box — a source line is read by its indentation, so it scrolls rather than folds. A create (`oldText: null`) has no removed side.
+- **Height cap with an expand control.** A diff longer than `DEFAULT_DIFF_MAX_LINES` (16) shows `ceil(max/2)` head rows plus the remaining tail rows, with a button between reporting the hidden count. The split arithmetic matches `TerminalBlock` and the TUI's collapsed card, so a long diff's head and tail slices agree across front ends.
+- **Line terminator.** A side's content splits on `\n` under the terminator rule `TerminalBlock` uses: empty text is zero lines (a full deletion's `newText`, a create's absent `oldText` side), a single trailing newline terminates its last line rather than adding a phantom empty one, and an interior blank line survives. This PR applied the same rule to the TUI diff branch, so the `+A -R` footer counts agree on both front ends for the newline-terminated content real write/edit calls carry.
+- **Footer and copy.** A dim `└ +A -R · N file(s)` footer summarizes the change; `+A -R` are the added/removed line counts, the same per-side counts the TUI footer draws. The copy control copies the prefixed diff text (path headers, `- `/`+ ` lines, the `⋯` gap), so a multi-file copy stays attributable.
+
+Geometry, radius, and fonts mirror `CodeBlock`/`TerminalBlock` so a diff card, a terminal card, and a fenced block read as one family; `white-space: pre` plus horizontal scroll is the deliberate divergence. The copy control floats in the card's top-right corner rather than on a banner row of its own, because a banner carrying only a copy button drew an empty band above the first diff line — the TUI diff card has no banner either, only the footer.
+
+The chat row renders the diff resident under its path-link summary, capped at `CHAT_DIFF_MAX_LINES` (8) against the panel's 16 — the same inline-output decision and the same in-flow-vs-reading-surface split recorded for the [terminal card](2026-07-28-web-terminal-card.md#inline-output-in-the-chat-row-reverses-a-stated-convention). A write/edit row is single-file, so its summary stays an openable path link AND its diff card expands; the two coexist because the card is not the path's args body.
+
+## Alternatives considered
+
+**A side-by-side (two-column) diff.** Rejected for now by the owner: it is denser but does not fit the narrow chat row, and the goal was parity with the TUI's single-column unified form. A two-column mode in the details panel is a later props change, not a redesign.
+
+**Git-style line-number gutters.** The `FileDiff` contract carries only `{ path, oldText, newText }` — `structuredPatch`'s hunk start lines are dropped in `diff.ts`, so no line number reaches the client. Rendering a numbered gutter needs a backend contract change (carry `oldStart`/`newStart`) and a matching TUI upgrade to stay consistent; deferred so this PR stays a pure Web consumer of the existing contract.
+
+**Reuse `CodeBlock`.** Rejected for the same reason the terminal card was: `CodeBlock` soft-wraps and has no per-line `+`/`-` role, no path headers, and no footer. The two share geometry and font tokens, which is the only part where one implementation is correct for both.
+
+## Consequences
+
+`DiffBlock` reads only the diff view's fields, so it stays a pure function of what the render intent carries — replay-safe like the presenters that produce the view. A UI without the diff capability still gets the bridge's generic fallback; nothing about the tool's result shape changed. No new runtime dependency: unlike the terminal card's `anser`, a diff needs no parser.
+
+The multi-file arm of `DiffBlock` (one card, several path headers) has no producer today: `write`/`edit` each mutate one file per call, so a real card shows one file with one or more hunks. The arm is built and tested for a future multi-file mutation tool, not for a current consumer.
+
+## Testing
+
+`packages/client/ui-primitives/tests/diff-block.spec.tsx` pins the component: the create arm (added-only, no removed side), the edit arm (removed above added), the same-file `⋯` gap versus a new file's own header, the empty-diffs null render, the footer counts and their singular/plural, the head/tail cap with its `aria-expanded` toggle, and the copy control asserting the prefixed diff text on both the accepted and refused clipboard paths. Per-file 100%.
+
+`packages/client/ui-conversation/tests/diff-card.spec.tsx` pins the wiring at every render site: `diffCardModel`'s derivation and each of its null arms, the result hunks replacing the call-time diff, a window-truncated call still rendering from the result, the chat row's diff body, `FileMutationRow`'s resident card and its path link opening cwd-resolved through the host, its registration under both `write` and `edit`, and the panel's Output section.
+
+The fixture (`packages/client/connection/src/client/fixture.ts`) carries three diff turns so a `?fixture` server and the per-package wiring suite exercise all three arms at both render sites: a single-hunk edit (turn 62, keyed `FileMutationRow`), a create/write (turn 63), and a multi-hunk edit (turn 67, the `⋯` gap between two scattered hunks in one file). The built-boot snapshot (`apps/web/tests/built-boot.snapshot.ts`) is a boot-assembly smoke that asserts only that the graph mounts and reaches chat content (`data-sample="bash-global"`); by its own contract it carries no diff-behavior assertions, which the wiring suite owns.
+
+## Related
+
+- [Web terminal card](2026-07-28-web-terminal-card.md) — the same four-layer shape for the `terminal` arm; this note reuses its inline-output decision and its head/tail cap arithmetic.
+- [Tagged render-intent union for tool-call presentation](../architecture/2026-07-02-tool-render-intent-union.md) — the `card`-tagged vocabulary this consumes; the Web client is now a consumer of the `diff` arm too.
+- [Web client architecture](../architecture/2026-07-19-gui-web-client-architecture.md) — the slot and snapshot layering the two render sites sit in.
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-diff-card.zh.md b/.agents/notes/implemented/feature/2026-07-30-web-diff-card.zh.md
new file mode 100644
index 0000000000..afdeafa6e9
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-diff-card.zh.md
@@ -0,0 +1,57 @@
+# Agent Note: Web diff 卡片 —— write/edit 渲染意图抵达浏览器
+
+Status: implemented
+
+[English](2026-07-30-web-diff-card.md) | 中文
+
+## Problem
+
+`write` 和 `edit` 工具为其 call 和 result 都声明了 `card: 'diff'`（[render-intent union](../architecture/2026-07-02-tool-render-intent-union.md)）：call view 携带从参数推导的预期改动，result view 携带已应用的上下文 hunk（`FileDiff[]`，由 `packages/fs/tool-fs/src/diff.ts` 计算，并持久化在 result `meta` 中以便回放重建）。该视图早已抵达浏览器 —— host、connection、runtime 将它作为 `callView`/`resultView` 投递到 `ConversationSnapshot` —— TUI 也已将其渲染为按文件分组的 `+`/`-` 块加 `+A -R · N file(s)` 页脚。
+
+Web 客户端忽略了它。write/edit 调用落到 `GenericToolCard`，其行从原始工具参数推导，详情面板把 result 的 content block 摊平进一个 `<pre>`。`diffs` 载荷 —— result 的全部意义 —— 被丢弃，于是一次文件改动读起来只是一行确认、看不到任何改动。
+
+这是把 [terminal 卡片](2026-07-28-web-terminal-card.md) 对 `diff` 这一支重做一遍：那次改动让 Web 客户端成为 `terminal` 渲染意图的消费者；这次让它成为 `diff` 渲染意图的消费者，复用同一套四层结构。
+
+## Decision
+
+`DiffBlock` 是一个 `ui-primitives` 组件，把文件改动渲染为内联 diff 表面，write/edit 调用的两个 Web 渲染点都通过它消费 diff 渲染意图：chat 工具行的行体和详情面板的 Output 区。`ui-conversation/src/client/contract/diff-card-model.ts` 是唯一把快照的 `callView`/`resultView` 对转成组件 props 的地方，因此两个渲染点不会对一次改动产生分歧。当两侧都未声明 `card: 'diff'` 时它返回 null —— 走通用路径 —— 包括本客户端版本不认识的 `card` 值，以及已结算调用的 result view 是 generic 的情况（write/edit 的执行错误正是这样留在通用路径上的）。调用结算后 result 侧是权威：已应用的 hunk 替换仅从参数推导的 call 时 diff。分页窗口丢弃了 call 头也仍能渲染，因为 result view 携带完整改动。
+
+组件的契约遵循 TUI 的 `diffLines`（`packages/ui/tui/src/components/transcript.ts`），使 diff 在两个前端读起来是同一形态：
+
+- **每个文件一个路径头。** 新文件开启一个粗体路径头；同文件的第二个 hunk（分散编辑，或 `replace_all`）以一个 `⋯` gap 开启，而非重复路径。`N file(s)` 页脚在两个前端都统计**去重后的路径数** —— 本 PR 把 TUI 页脚从 `diffs.length` 改为去重路径计数，因此同文件两个 hunk 在两端都读作 `1 file`。
+- **改动用 diff 自身的颜色。** 删除行是 error token 上的 `- `，新增行是 success token 上的 `+ `，在横向滚动的盒子里以 `white-space: pre` 逐字绘制 —— 源码行靠缩进阅读，所以滚动而不折行。新建（`oldText: null`）没有删除侧。
+- **高度上限带展开控件。** 长于 `DEFAULT_DIFF_MAX_LINES`（16）的 diff 显示 `ceil(max/2)` 个头部行加剩余尾部行，中间一个按钮报告隐藏行数。分割算术与 `TerminalBlock` 和 TUI 的折叠卡片一致，因此长 diff 的头尾切片在两个前端一致。
+- **行终止符。** 每一侧的内容按 `TerminalBlock` 的终止符规则在 `\n` 上切分：空文本是零行（整文件删除的 `newText`、新建缺失的 `oldText` 侧），单个结尾换行终止其最后一行而非新增一条幻影空行，内部空行保留。本 PR 把同一规则应用到了 TUI diff 分支，因此对于真实 write/edit 调用携带的以换行结尾的内容，两个前端的 `+A -R` 页脚计数一致。
+- **页脚与复制。** 暗色 `└ +A -R · N file(s)` 页脚概括改动；`+A -R` 是新增/删除行数，与 TUI 页脚绘制的每侧计数相同。复制控件复制带前缀的 diff 文本（路径头、`- `/`+ ` 行、`⋯` gap），使多文件复制保持可归属。
+
+几何、圆角、字体镜像 `CodeBlock`/`TerminalBlock`，使 diff 卡片、terminal 卡片、代码块读起来是一家；`white-space: pre` 加横向滚动是刻意的分歧。复制控件浮在卡片右上角，而非占据自己的 banner 行，因为只放一个复制按钮的 banner 会在第一行 diff 上方画出一条空带 —— TUI 的 diff 卡片也没有 banner，只有页脚。
+
+chat 行把 diff 常驻渲染在路径链接摘要之下，上限 `CHAT_DIFF_MAX_LINES`（8），对应面板的 16 —— 与 [terminal 卡片](2026-07-28-web-terminal-card.md#inline-output-in-the-chat-row-reverses-a-stated-convention)记录的内联输出决策、以及流内表面对单调阅读表面的同一划分一致。write/edit 行是单文件的，所以它的摘要既是可打开的路径链接，其 diff 卡片又展开；两者共存，因为卡片不是路径的参数体。
+
+## Alternatives considered
+
+**并排（双栏）diff。** owner 目前拒绝：它更密但不适合狭窄的 chat 行，目标是与 TUI 单栏统一形式对齐。详情面板里的双栏模式是后续的 props 改动，不是重设计。
+
+**git 式行号槽。** `FileDiff` 契约只携带 `{ path, oldText, newText }` —— `structuredPatch` 的 hunk 起始行在 `diff.ts` 里被丢弃，所以没有行号抵达客户端。渲染行号槽需要后端契约改动（携带 `oldStart`/`newStart`）并同步升级 TUI 以保持一致；推迟，使本 PR 保持为对既有契约的纯 Web 消费。
+
+**复用 `CodeBlock`。** 因与 terminal 卡片相同的理由拒绝：`CodeBlock` 会折行，且没有每行 `+`/`-` 角色、没有路径头、没有页脚。两者共享几何与字体 token，那是唯一一处一个实现对两者都正确的部分。
+
+## Consequences
+
+`DiffBlock` 只读 diff view 的字段，因此它是渲染意图所携带内容的纯函数 —— 与产出该视图的 presenter 一样回放安全。没有 diff 能力的 UI 仍得到 bridge 的通用回退；工具的 result 形状没有任何改变。无新增运行时依赖：不同于 terminal 卡片的 `anser`，diff 不需要解析器。
+
+`DiffBlock` 的多文件支路（一张卡、多个路径头）今天没有生产者：`write`/`edit` 每次调用各改一个文件，所以真实卡片显示一个文件带一个或多个 hunk。该支路为将来的多文件改动工具而构建并测试，不是为当前消费者。
+
+## Testing
+
+`packages/client/ui-primitives/tests/diff-block.spec.tsx` 钉住组件：新建支路（只有新增、无删除侧）、编辑支路（删除在新增之上）、同文件 `⋯` gap 对比新文件自己的头、空 diffs 的 null 渲染、页脚计数及其单复数、头尾上限及其 `aria-expanded` 切换、以及复制控件在接受与拒绝两条剪贴板路径上断言带前缀的 diff 文本。Per-file 100%。
+
+`packages/client/ui-conversation/tests/diff-card.spec.tsx` 钉住每个渲染点的接线：`diffCardModel` 的派生及其每个 null 支路、result hunk 替换 call 时 diff、窗口截断的 call 仍从 result 渲染、chat 行的 diff 体、`FileMutationRow` 的常驻卡片及其路径链接经 host 以 cwd 解析打开、其在 `write` 与 `edit` 下的注册、以及面板的 Output 区。
+
+fixture（`packages/client/connection/src/client/fixture.ts`）携带三个 diff turn，使 `?fixture` 服务与 per-package 接线测试套件在两个渲染点演练全部三个支路：单 hunk 编辑（turn 62，keyed `FileMutationRow`）、新建/写入（turn 63）、多 hunk 编辑（turn 67，一个文件内两处分散 hunk 之间的 `⋯` gap）。built-boot snapshot（`apps/web/tests/built-boot.snapshot.ts`）是启动装配 smoke，只断言图挂载并抵达 chat 内容（`data-sample="bash-global"`）；按其自身契约它不带 diff 行为断言，那由接线套件负责。
+
+## Related
+
+- [Web terminal 卡片](2026-07-28-web-terminal-card.md) —— `terminal` 支路的同一套四层结构；本 note 复用其内联输出决策与头尾上限算术。
+- [工具调用呈现的标签化 render-intent union](../architecture/2026-07-02-tool-render-intent-union.md) —— 本改动消费的 `card` 标签词汇；Web 客户端现在也是 `diff` 支路的消费者。
+- [Web 客户端架构](../architecture/2026-07-19-gui-web-client-architecture.md) —— 两个渲染点所处的 slot 与快照分层。
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.i18n.yaml
new file mode 100644
index 0000000000..7efb9e75d5
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.md
+2026-07-30-web-read-card-frontend.md: f504cab7705d03f6d3e911da05c509da50bb9abe
+2026-07-30-web-read-card-frontend.zh.md: b6314f21ba3eb2283788374b10c77ed22e26d16c
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.md b/.agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.md
new file mode 100644
index 0000000000..f504cab770
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.md
@@ -0,0 +1,54 @@
+# Agent Note: Web read card frontend — the read tool's line window renders line-numbered and highlighted
+
+Status: implemented
+
+English | [中文](2026-07-30-web-read-card-frontend.zh.md)
+
+## Problem
+
+The [read backend](2026-07-30-web-read-card.md) added a fourth render-intent card, `card: 'read'`, to `ToolResultView`: a settled read now carries `{ path, lines: [{ number, text }], totalLines, lang? }` onto the conversation snapshot as `resultView`. That data reaches the browser, but the Web client had no consumer for it. Every read row derived from args alone and the details panel flattened the result's content blocks into one `<pre>`, so a read showed as `N: text`-prefixed plain text with no gutter, no syntax highlighting, and no "showing N of M" affordance for a windowed read. The [web terminal card](2026-07-28-web-terminal-card.md) established the pattern for consuming a structured card; the read card follows it, result-side only.
+
+## Decision
+
+`ReadBlock` is a `ui-primitives` component that renders a read result as a line-numbered, optionally syntax-highlighted file view, and both Web render sites for a read consume the read render intent through it: the chat tool row (resident under the summary line) and the details panel's Output section. `ui-conversation/src/client/contract/read-card-model.ts` is the single place that turns the snapshot's `resultView` into the component's props, so the two sites cannot disagree.
+
+**A new `ReadBlock` primitive, not an extension of `CodeBlock`.** `CodeBlock` already does shiki highlighting with a language banner and a copy control, but a read view needs a per-line gutter carrying each line's own file number, which `CodeBlock` renders as a single `<pre>` tree with no per-line structure. Extending `CodeBlock` with an optional gutter would push a read-specific concern (windowed line numbers, a "showing N of M" note, a height cap) onto every markdown fence and every `run_code` body that shares that component. Instead `ReadBlock` reuses the part that is genuinely shared: the shiki grammar singleton in `markdown/highlight.ts`. A new `highlightLines(code, lang)` there tokenizes into shiki's own per-line token arrays (`codeToTokens`) rather than the single-`<pre>` HTML `highlightToHtml` produces, so the block can place one gutter number per line and still color the content through the same `--shiki-*` custom properties on the same grammar allowlist. The height cap and its head/tail expand arithmetic are copied from `TerminalBlock` (`ceil(max/2)` head plus the remaining tail), so a long read and a long command output collapse at the same place. The copy control writes the window's raw text (the lines joined by newlines), never the gutter numbers or the banner.
+
+`readCardModel` is result-side only, mirroring the backend: a read call carries no content until `execute` returns, so the pending call stays a `GenericCallView` (`kind: 'read'`) and this returns null for a running read — the row keeps its args-derived summary until the result arrives. It also returns null for a settled call whose result view is not a read card, including a `card` value this UI version does not know (which arrives over the wire and cannot be trusted to be a compiled variant) and the read tool's own generic fallback for an error result. The card's banner label is the read view's `title` when the tool supplied one (the contract's replacement-title rule), otherwise the file path relativized to the session workspace so a workspace-rooted absolute path shows the same short form the row summary shows. The model copies the frozen line array into the primitive's own line shape, so the card never holds a reference into the runtime's snapshot cache.
+
+The chat row renders the card **resident** under the summary line, capped at `CHAT_READ_MAX_LINES` (8, half the primitive's default), the same posture `BashRow` gives a terminal card — the block's internal expander keeps a long read from taking over the message flow. Two render sites carry it: the keyed `ReadRow` (registered under `read` in `apply.ts`, the load-order seam being `inject: ['slots', 'conversation']` exactly as the bash sample) whose summary is the file path as an openable host link, and `GenericToolCard`'s fallback for a read-declaring tool without its own keyed row (e.g. `web_fetch`, which classifies to the `read` variant). The details panel renders the same card at the primitive's own full-height cap (16), because the panel is the single-call reading surface.
+
+Whole-row collapse/expand (defaulting every tool call to collapsed) is a separate later change that will flip every resident card at once; this note's card is resident, matching the terminal card it sits beside.
+
+**Read-card grammars load lazily; only the boot three stay eager.** `highlight.ts` is a platform seed `ui-primitives` loads on every Web boot, and its warm-up unconditionally builds the shiki singleton. The read card's `langFromPath` hints span the full source/config/markup extension set (python, rust, yaml, html, …); registering all of them eagerly would add ~1.6 MB of grammar modules to the boot chunk and their synchronous init to every session, including sessions that never open a read card. So only the three grammars every session already renders — TypeScript, shell, JSON (the markdown-fence and `run_code` languages) — load at boot. Each read-card extension grammar sits behind a dynamic `import()` in `LAZY_GRAMMARS`, keyed by the grammar id its aliases resolve to. On the first `highlightLines`/`highlightToHtml` call for a lazy language, `ensureGrammar` starts the import (once) and returns not-ready, so the card renders plain that frame; when the import resolves it registers the grammar with `loadLanguageSync`, bumps a load counter, and notifies subscribers. `ReadBlock` and `CodeBlock` subscribe through `useSyncExternalStore(subscribeGrammarLoaded, grammarLoadCount)`, so the card re-renders with highlighting the moment the grammar is ready. An unknown/absent language still returns undefined synchronously (plain, never an error).
+
+**The empty-window copy control is hidden, matching `TerminalBlock`.** A successful read of an empty file returns `lines: []`, `totalLines: 0`, and `presentResult` still projects `card: 'read'`, so the empty-window branch is reachable — the read card is not, as an earlier draft assumed, unreachable for an empty result. `ReadBlock` therefore hides the copy control when `lines` is empty, exactly as `TerminalBlock` hides copy on empty output, so the button can never wipe the clipboard with an empty string.
+
+## Alternatives considered
+
+**Extend `CodeBlock` with an optional line-number gutter and `startLine`.** Rejected: it imposes a read-specific gutter, a windowed-count note, and a height cap on every markdown fence and `run_code` body that shares `CodeBlock`, for no benefit to those callers. The genuinely shared surface is the shiki grammar singleton, which both blocks reuse through `highlight.ts`; the chrome around it differs (a read has a gutter and a window note, a fence has neither), so a second small primitive is the correct split, exactly as `TerminalBlock` is a second primitive over the same tokens rather than a `CodeBlock` mode.
+
+**Reuse `highlightToHtml` and inject gutter numbers with CSS counters.** Rejected: the single-`<pre>` HTML shiki emits has no per-line boundary a gutter can hang a file line number off (a windowed read's numbers start above 1 and are not a simple CSS counter increment), and parsing the numbers back out of the HTML would be fragile. `codeToTokens` gives the per-line token structure directly.
+
+**Register all read-card grammars eagerly in the boot warm-up.** Rejected: it puts ~1.6 MB of grammar modules and their synchronous init on every Web boot for a card most sessions never open. The lazy path costs a single plain-first frame the first time a given language is read, then highlights on the grammar-load re-render; the boot cost is paid only for the three grammars every session already renders.
+
+## Consequences
+
+`ui-primitives` gains `ReadBlock` and `highlightLines`; no new runtime dependency (shiki was already present for `CodeBlock`). `ReadBlock` reads only the read view's fields, so it stays a pure function of what the render intent carries — no session lookups, replay-safe like the presenters that produce the view. A UI without the read capability still gets the backend's `content` fallback (the envelope-stripped text) through the generic card, unchanged.
+
+A read row in the Web chat now carries the file content resident, a deliberate density increase over a summary-only row, bounded by the chat cap. A `run_code` sub-dispatch does not reach a read card on the shipped wire for the same reason a nested bash call does not reach a terminal card: `session.ts` folds `tool/code-dispatch(-start)` with `resultView: null`, so a nested read keeps the generic flattened form.
+
+## Testing
+
+`packages/client/ui-primitives/tests/read-block.spec.tsx` pins the primitive and the token path: `highlightLines`' per-line css-variables runs, its trailing-terminator-line drop and the genuinely-blank-final-line case, its `undefined` for an unknown/absent language, and its lazy path (a lazy grammar returns plain on first touch, then highlights after the import registers and the subscriber fires); and `ReadBlock`'s gutter-numbered rows keeping the file's own numbers, the highlighted-vs-plain content arms, the banner (label, language, the count note only when the read is a window), the head/tail height cap with its `aria-expanded` toggle, the copy control writing the window's raw text on both the accepted and refused clipboard paths, and the empty-window arm hiding the copy control. `code-block.spec.tsx` covers `highlightToHtml` including its lazy path over every read-card grammar (each dynamic import thunk touched once). Both `ReadBlock.tsx` and `highlight.ts` (and `CodeBlock.tsx`) hold per-file 100% coverage across the two specs.
+
+`packages/client/ui-conversation/tests/read-card.spec.tsx` pins the wiring at every render site: `readCardModel`'s derivation and each null arm (running read, no view, generic view, unknown card), the result title replacing the relativized path, the path relativization against the workspace, the copy-not-alias of the frozen line array; the resident card in `GenericToolCard`'s fallback and in the keyed `ReadRow` (plus its path link opening the host, its running/error/stopped states, and its `read`-key registration); and the panel's Output section rendering the read card at full height while keeping the JSON Input section, with the running-read placeholder and non-read flattened-pre arms. That file sits on the coverage `exclude` list (`ui-conversation/src/*`), so it is written against no gate pressure.
+
+The fixture (`packages/client/connection/src/client/fixture.ts`) gains turn 66, a `read` call whose result view is a windowed read (lines starting at file line 41, `totalLines` 180, a `ts` hint), so the built-boot snapshot and a live `?fixture` server show the read card with its gutter numbers, highlighting, and count note. It is named `read` to exercise the keyed `ReadRow`. The turn 64 `run_code` sample's nested read sub-dispatches do not exercise the render-site fallback read card: `session.ts` folds them with `resultView: null`, so they cover only the fallback row's generic row shape, not a read card inside it; the fallback-row read card is pinned by `read-card.spec.tsx`'s `web_fetch` case. Turn 66 is ordered before the todo turn (now 67) for the same reason the terminal sample is: the standing plan retires at the next `turn/start`.
+
+## Related
+
+- [Read card backend](2026-07-30-web-read-card.md) — adds the `card: 'read'` result view this consumes; produces the `lines`/`totalLines`/`lang` this renders.
+- [Web terminal card](2026-07-28-web-terminal-card.md) — the precedent this follows: a `ui-primitives` block, a `contract/*-card-model.ts` derivation, a keyed row, and making `GenericToolCard`/`DetailsPanel` card-aware.
+- [Web client syntax highlighting](../process/2026-07-26-web-syntax-highlighting-shiki.md) — owns `CodeBlock` and the shiki `highlight.ts` singleton this extends with a per-line token path.
+- [Tagged render-intent union for tool-call presentation](../architecture/2026-07-02-tool-render-intent-union.md) — the `card`-tagged vocabulary; the Web client is now a full consumer of the `read` arm.
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.zh.md b/.agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.zh.md
new file mode 100644
index 0000000000..b6314f21ba
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.zh.md
@@ -0,0 +1,54 @@
+# Agent Note: Web 读取卡片前端 —— 读取工具的行窗口以带行号、语法高亮的形式渲染
+
+Status: implemented
+
+[English](2026-07-30-web-read-card-frontend.md) | 中文
+
+## Problem
+
+[读取后端](2026-07-30-web-read-card.md)给 `ToolResultView` 增加了第四种渲染意图卡片 `card: 'read'`：一次已结算的读取现在会把 `{ path, lines: [{ number, text }], totalLines, lang? }` 作为 `resultView` 带到会话快照上。这份数据能到达浏览器，但 Web 客户端没有消费者。每个读取行都仅从参数派生，详情面板把结果的 content block 摊平进一个 `<pre>`，于是读取显示为带 `N: text` 前缀的纯文本，没有行号栏、没有语法高亮，也没有窗口读取的"显示 N / M"提示。[web 终端卡片](2026-07-28-web-terminal-card.md)确立了消费一个结构化卡片的模式；读取卡片沿用它，只在结果侧。
+
+## Decision
+
+`ReadBlock` 是一个 `ui-primitives` 组件，把一次读取结果渲染成带行号、可选语法高亮的文件视图，读取的两个 Web 渲染点都通过它消费读取渲染意图：聊天工具行（常驻在摘要行之下）与详情面板的 Output 区段。`ui-conversation/src/client/contract/read-card-model.ts` 是把快照的 `resultView` 转成组件 props 的唯一位置，因此两个渲染点不会产生分歧。
+
+**新建一个 `ReadBlock` primitive，而不是扩展 `CodeBlock`。** `CodeBlock` 已经带语言横幅和复制控件做 shiki 高亮，但读取视图需要一个每行带该行自身文件行号的行号栏，而 `CodeBlock` 把内容渲染为单个 `<pre>` 树、没有逐行结构。给 `CodeBlock` 加一个可选行号栏会把读取专属的关切（窗口行号、"显示 N / M"提示、高度上限）强加给共享该组件的每个 markdown 代码围栏和每个 `run_code` 程序体。`ReadBlock` 转而复用真正共享的部分：`markdown/highlight.ts` 里的 shiki 语法单例。那里新增的 `highlightLines(code, lang)` 把代码切成 shiki 自己的逐行 token 数组（`codeToTokens`），而不是 `highlightToHtml` 产出的单 `<pre>` HTML，于是该 block 能每行放一个行号、同时用同一套 `--shiki-*` 自定义属性、同一份语法白名单给内容上色。高度上限及其头/尾展开算法照抄自 `TerminalBlock`（`ceil(max/2)` 行头部加剩余的尾部），因此长读取和长命令输出在同一处折叠。复制控件写入窗口的原始文本（各行以换行拼接），绝不含行号栏或横幅。
+
+`readCardModel` 只在结果侧，与后端对称：一次读取调用在 `execute` 返回前不带任何内容，因此挂起中的调用保持为 `GenericCallView`（`kind: 'read'`），本函数对运行中的读取返回 null —— 该行保持其从参数派生的摘要，直到结果到达。它对结果视图不是读取卡片的已结算调用也返回 null，包括本 UI 版本不认识的 `card` 值（它从线路到来、不能被信任为一个已编译的变体）以及读取工具对错误结果自己的通用回退。卡片横幅标签在工具提供 `title` 时取它（契约的替换标题规则），否则取相对于会话工作区化简后的文件路径，使工作区根下的绝对路径显示为与行摘要相同的短形式。该 model 把冻结的行数组复制进 primitive 自己的行形状，因此卡片绝不持有指向运行时快照缓存的引用。
+
+聊天行把卡片**常驻**渲染在摘要行之下，上限 `CHAT_READ_MAX_LINES`（8，是 primitive 默认值的一半），与 `BashRow` 对终端卡片的姿态相同 —— block 的内部展开器让长读取不会占据整个消息流。两个渲染点承载它：keyed `ReadRow`（在 `apply.ts` 里以 `read` 键注册，加载顺序接缝为 `inject: ['slots', 'conversation']`，与 bash 样例完全一致），其摘要是作为可打开的宿主链接的文件路径；以及 `GenericToolCard` 对没有自己 keyed 行的读取声明工具（例如归到 `read` 变体的 `web_fetch`）的回退。详情面板以 primitive 自己的全高上限（16）渲染同一张卡片，因为面板是单次调用的阅读界面。
+
+整行折叠/展开（把每个工具调用默认折叠）是一个单独的后续改动，它会一次性翻转每张常驻卡片；本 note 的卡片是常驻的，与它旁边的终端卡片一致。
+
+**读取卡片的语法按需 lazy 加载，只有 boot 三种保持 eager。** `highlight.ts` 是 `ui-primitives` 在每次 Web 启动都加载的平台 seed，其预热会无条件构建 shiki 单例。读取卡片的 `langFromPath` 提示覆盖完整的源码/配置/标记扩展集（python、rust、yaml、html……）；把它们全部 eager 注册会给启动 chunk 增加约 1.6 MB 的语法模块、并把它们的同步初始化摊给每个会话，包括从不打开读取卡片的会话。因此只有每个会话本就渲染的三种语法 —— TypeScript、shell、JSON（markdown 围栏与 `run_code` 语言）—— 在 boot 时加载。每种读取卡片扩展语法置于 `LAZY_GRAMMARS` 中一个动态 `import()` 之后，以其别名解析到的语法 id 为键。对某个 lazy 语言首次调用 `highlightLines`/`highlightToHtml` 时，`ensureGrammar` 启动 import（仅一次）并返回未就绪，于是卡片该帧渲染纯文本；import 解析后用 `loadLanguageSync` 注册该语法、递增一个加载计数、并通知订阅者。`ReadBlock` 与 `CodeBlock` 通过 `useSyncExternalStore(subscribeGrammarLoaded, grammarLoadCount)` 订阅，因此语法就绪的那一刻卡片就重渲染带上高亮。未知/缺省语言仍同步返回 undefined（纯文本，绝不报错）。
+
+**空窗口的复制控件被隐藏，与 `TerminalBlock` 对齐。** 成功读取一个空文件会返回 `lines: []`、`totalLines: 0`，且 `presentResult` 仍投出 `card: 'read'`，因此空窗口分支是可达的 —— 读取卡片并非如早前草稿所假设的对空结果不可达。故 `ReadBlock` 在 `lines` 为空时隐藏复制控件，正如 `TerminalBlock` 对空输出隐藏复制，使按钮绝不会用空字符串清空剪贴板。
+
+## Alternatives considered
+
+**给 `CodeBlock` 加一个可选行号栏和 `startLine`。** 拒绝：这会把读取专属的行号栏、窗口计数提示和高度上限强加给共享 `CodeBlock` 的每个 markdown 围栏和 `run_code` 程序体，对那些调用者毫无好处。真正共享的界面是 shiki 语法单例，两个 block 都通过 `highlight.ts` 复用它；围绕它的外壳各不相同（读取有行号栏和窗口提示，围栏两者都没有），因此第二个小 primitive 是正确的切分 —— 正如 `TerminalBlock` 是基于同一套 token 的第二个 primitive，而不是 `CodeBlock` 的一种模式。
+
+**复用 `highlightToHtml`，用 CSS counter 注入行号。** 拒绝：shiki 产出的单 `<pre>` HTML 没有可供行号栏挂上文件行号的逐行边界（窗口读取的行号从大于 1 处开始，不是简单的 CSS counter 自增），而从 HTML 里把行号解析回来又很脆弱。`codeToTokens` 直接给出逐行 token 结构。
+
+**在 boot 预热里 eager 注册所有读取卡片语法。** 拒绝：这会给每次 Web 启动摊上约 1.6 MB 语法模块及其同步初始化，只为一张多数会话从不打开的卡片。lazy 路径的代价是某个语言首次被读取时的一帧纯文本，随后在语法加载的重渲染里高亮；boot 代价只为每个会话本就渲染的三种语法付出。
+
+## Consequences
+
+`ui-primitives` 增加 `ReadBlock` 和 `highlightLines`；没有新的运行时依赖（shiki 已因 `CodeBlock` 存在）。`ReadBlock` 只读取读取视图的字段，因此保持为渲染意图所承载内容的纯函数 —— 无会话查询，与产出该视图的 presenter 一样可安全回放。没有读取能力的 UI 仍通过通用卡片拿到后端的 `content` 回退（剥掉外壳的文本），保持不变。
+
+Web 聊天里的读取行现在常驻承载文件内容，是相对纯摘要行的一次刻意的密度增加，受聊天上限约束。`run_code` 子派发在已发布的线路上到不了读取卡片，与嵌套 bash 调用到不了终端卡片同因：`session.ts` 把 `tool/code-dispatch(-start)` 折叠为 `resultView: null`，因此嵌套读取保持通用的摊平形式。
+
+## Testing
+
+`packages/client/ui-primitives/tests/read-block.spec.tsx` 固定 primitive 与 token 路径：`highlightLines` 的逐行 css-variables 运行、它对尾部终止行的丢弃与真正空白末行的情形、它对未知/缺省语言返回 `undefined`、以及它的 lazy 路径（lazy 语法首次触碰返回纯文本，import 注册且订阅者触发后再高亮）；还有 `ReadBlock` 的带行号行保留文件自身编号、高亮与纯文本两条内容分支、横幅（标签、语言、仅当读取是窗口时的计数提示）、头/尾高度上限及其 `aria-expanded` 切换、复制控件在接受与拒绝两条剪贴板路径上写入窗口原始文本、以及空窗口分支隐藏复制控件。`code-block.spec.tsx` 覆盖 `highlightToHtml`，含它对每种读取卡片语法的 lazy 路径（每个动态 import thunk 各触碰一次）。`ReadBlock.tsx`、`highlight.ts`（及 `CodeBlock.tsx`）在这两个 spec 上均保持每文件 100% 覆盖。
+
+`packages/client/ui-conversation/tests/read-card.spec.tsx` 固定每个渲染点的接线：`readCardModel` 的派生与每条 null 分支（运行中读取、无视图、通用视图、未知卡片）、结果标题替换化简后的路径、路径相对工作区的化简、冻结行数组的复制而非别名；`GenericToolCard` 回退中与 keyed `ReadRow` 中的常驻卡片（外加其路径链接打开宿主、其 running/error/stopped 状态、以及其 `read` 键注册）；还有面板 Output 区段以全高渲染读取卡片同时保留 JSON Input 区段，含运行中读取占位与非读取摊平 pre 两条分支。该文件位于覆盖 `exclude` 列表（`ui-conversation/src/*`），因此不承受门槛压力。
+
+fixture（`packages/client/connection/src/client/fixture.ts`）增加 turn 66，一次 `read` 调用，其结果视图是窗口读取（行号从文件行 41 起、`totalLines` 180、`ts` 提示），使内置启动快照和实时 `?fixture` 服务器展示带行号、高亮和计数提示的读取卡片。它命名为 `read` 以驱动 keyed `ReadRow`。turn 64 的 `run_code` 样例中的嵌套读取子派发并不驱动渲染点回退读取卡片：`session.ts` 把它们折叠为 `resultView: null`，因此它们只覆盖回退行的通用行形状，而非回退行内的读取卡片；回退行读取卡片由 `read-card.spec.tsx` 的 `web_fetch` 用例钉住。turn 66 排在 todo turn（现为 67）之前，与终端样例同因：常驻计划在下一次 `turn/start` 退场。
+
+## Related
+
+- [读取卡片后端](2026-07-30-web-read-card.md) —— 增加本文消费的 `card: 'read'` 结果视图；产出本文渲染的 `lines`/`totalLines`/`lang`。
+- [Web 终端卡片](2026-07-28-web-terminal-card.md) —— 本文遵循的先例：一个 `ui-primitives` block、一个 `contract/*-card-model.ts` 派生、一个 keyed 行，以及让 `GenericToolCard`/`DetailsPanel` 感知卡片。
+- [Web 客户端语法高亮](../process/2026-07-26-web-syntax-highlighting-shiki.md) —— 拥有 `CodeBlock` 与 shiki `highlight.ts` 单例，本文以逐行 token 路径扩展它。
+- [工具调用呈现的标签式渲染意图联合](../architecture/2026-07-02-tool-render-intent-union.md) —— `card` 标签词汇表；Web 客户端现在是 `read` 分支的完整消费者。
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-read-card.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-web-read-card.i18n.yaml
new file mode 100644
index 0000000000..abefa88679
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-read-card.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-web-read-card.md
+2026-07-30-web-read-card.md: 1fb3d61a113d26f6daf023fc791f3638055b5be0
+2026-07-30-web-read-card.zh.md: 946bcca95bcc9bb50beb1ef22e77e4a21728b538
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-read-card.md b/.agents/notes/implemented/feature/2026-07-30-web-read-card.md
new file mode 100644
index 0000000000..1fb3d61a11
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-read-card.md
@@ -0,0 +1,49 @@
+# Agent Note: Read card — the read tool's structured line window reaches the client
+
+Status: implemented
+
+English | [中文](2026-07-30-web-read-card.zh.md)
+
+## Problem
+
+The `read` tool returns a canonical output object `{ path, offset, lines: [{ number, text }], totalLines }`, but its presentation collapsed that structure. `presentCall` declared a `GenericCallView` (`kind: 'read'`, a follow-along location) and `presentResult` returned a `GenericResultView` whose only content was the model-facing text with its `<path>…</path><type>file</type><content>…</content>` envelope stripped. A UI receiving that view saw one flattened text block: the line numbers were baked into the text as `N: ` prefixes, the file's language was unknown, and `totalLines` was gone. There was no way for a capable client to render a read the way it renders a diff — a line-numbered, syntax-highlighted code view with the line-number gutter separate from the content.
+
+The structured data cannot be recovered downstream. A tool result on the wire carries only the model-facing `ContentBlock[]` (the rendered text) plus an opaque `meta`; the canonical output object stays in the tool and never reaches the client or the session log. So a client that wants the line array, the total, and a language hint cannot parse them back out of the `N: text` text — the tool has to project them onto a channel that persists.
+
+## Decision
+
+Add a fourth `card` tag, `read`, to the [render-intent union](../architecture/2026-07-02-tool-render-intent-union.md) — result-side only. `ToolResultView` gains `ReadResultView { card: 'read'; title?; path; lines: ReadFileLine[]; totalLines; lang?; content? }`; `ReadFileLine { number; text }` is the shared line unit. `ToolCallView` is untouched: the pending state stays a `GenericCallView` (`kind: 'read'`) because a call carries no file content until `execute` returns, so there is nothing structured to show at call time. This diverges from the bash terminal card, which tags both sides — a terminal call already carries its command and cwd at call time, a read call carries neither content nor total, so tagging the call side would add an empty variant.
+
+The read tool projects the structured window through `output.presentationMeta`, the same persisted channel write/edit use for their applied-diff hunks ([canonical tool output contract](../architecture/2026-07-20-canonical-tool-output-contract.md)). `presentationMeta` runs once for a top-level surface call, returns `{ path, offset, lines, totalLines, lang? }` as JSON the session validates and stores on the result's `meta`, and `presentResult` narrows that meta back into the `ReadResultView` on both live and replay paths. `offset` (the 1-based first line the window requested) rides along because a byte cap below the first selected line yields an empty `lines` array with a positive `totalLines`; without the persisted `offset` a replayed card of such a window could not report where it starts or where a continuation resumes, and the last-line and re-parse fallbacks are both lossy. Without this channel the line array and total would be unreachable: the raw output object is not on the wire, and re-parsing the `N: text` text is lossy and fragile against the truncation footer.
+
+`presentResult` returns `undefined` — the generic fallback — whenever the meta is absent or malformed (`readMetaFromMeta` narrows it defensively, so a replay of an older logged result never throws), whenever the result is an error, and whenever the single text block is not the read envelope. A pre-card logged result — a valid read envelope with no persisted `meta`, recorded before this card existed — takes that same `undefined` path deliberately: the client falls back to the raw `result.content`, so it shows the enveloped `<path>/<type>/<content>` text rather than the envelope-stripped generic card the old presenter returned. This is the accepted degradation under the [pre-release stance](../../../../AGENTS.md#pre-release-stance-foundation-over-blast-radius): reject the old on-disk format rather than add an envelope-stripping compatibility branch, since this PR re-records every published fixture and the session format promises no backward compatibility. On the success path `presentResult` carries `content` (the envelope-stripped text) alongside the structured fields, so a UI without the read capability, including the current TUI, renders the file text through the generic/default card arm exactly as before. The TUI's `renderBody` switch (`packages/ui/tui/src/components/transcript.ts`) is not `assertNever`-exhaustive: `terminal` and `diff` have arms and everything else falls through to the generic arm, which reads `view.content`. That default arm alone was not enough: `render()` sets `genericContent` — and with it the dim-Markdown `dimBody` treatment — on a separate gate that was `card === 'generic'` only, so a `read` card would have kept the text but lost its dim styling. The gate now admits `card: 'read'` too, taking `content` down the same dim-Markdown path, so a read renders in the TUI exactly as it did before the read card existed. Beyond that one gate the TUI needs no read-specific code.
+
+### Language hint derivation
+
+`langFromPath` (in `read-render.ts`) maps a file extension to a syntax-highlighting language id through a small fixed table (`LANG_BY_EXTENSION`) covering common source, config, and markup extensions. It reads the extension after the last path segment and last dot, is case-insensitive, and returns `undefined` for a dotfile (`.gitignore`), an extensionless name (`/etc/hosts`), a trailing dot, and any unknown extension — the card then omits `lang` and a UI renders plain text. The table is not a tunable: it is a display hint a UI may ignore, not a deployment-varying choice, and an unknown extension degrades to plain text rather than failing. It is deliberately small rather than an exhaustive language registry; extending it is a one-line table addition.
+
+## Alternatives considered
+
+**Re-parse the `N: text` model-facing text in `presentResult`.** Rejected: the structured line array would have to be reconstructed by splitting each line on the first `: `, which is ambiguous (a line whose own text contains `: `), loses the exact `totalLines` (the footer only states it in some branches), and breaks the moment the render format changes. `presentationMeta` carries the already-structured data with no re-parse.
+
+**Tag the call side too (`ReadCallView`), mirroring the terminal card's both-sides symmetry.** Rejected: a read call has no content, no line array, and no total until it executes — a call-side read card would be an empty variant duplicating what `GenericCallView` (`kind: 'read'`, follow-along location) already expresses. The terminal card tags both sides because a terminal call genuinely carries call-time data (command, cwd); a read call does not.
+
+**Put the structured window in a new service or a side channel instead of `meta`.** Rejected: `meta` is the established persisted presentation channel (write/edit's applied diffs ride it), it replays for free with the session log, and it needs no new plumbing. A service would reinvent persistence and replay that the event log already provides.
+
+**A merge-extensible union instead of a closed tag.** Rejected for the same reason the [render-intent union](../architecture/2026-07-02-tool-render-intent-union.md) closed: a new card needs consuming code to render it, so a variant a consumer silently drops is worse than a compile error. Adding `read` to the closed union is the sanctioned way to extend it — each consumer that switches on `card` keeps compiling because the new member falls through its generic default, and a consumer that wants the rich view adds its own arm.
+
+## Consequences
+
+`ToolResultView` has a fourth member. Every consumer that switches on `card` keeps compiling: the TUI and the current Web client route an unknown card to their generic path, and the read card carries `content` so that path shows the file text. The Web frontend that renders the line-numbered, syntax-highlighted view from `lines`/`lang`/`totalLines` is a separate follow-up PR; this PR is the backend that makes the data reachable. Until that lands, a read renders exactly as it did before (the generic text card) everywhere.
+
+The read tool now computes `presentationMeta` for every top-level read, a small per-call projection (a `lines.map` and one `langFromPath` call) on data already in hand. The meta is persisted with the session log, so a read result is slightly larger on disk — the line array it already rendered as text, now also structured.
+
+## Testing
+
+`packages/fs/tool-fs/tests/read-render.spec.ts` unit-tests `langFromPath` (known extensions case-insensitively, extension read after the last segment and last dot, and the `undefined` cases: dotfile, extensionless, trailing dot, unknown) and `readMetaFromMeta` (a well-formed narrow with and without `lang`, and every rejection: non-object, array, missing or wrong-typed `path`/`totalLines`/`lines`, a malformed line entry, a non-string `lang`, and — because the function narrows the opaque persisted `meta` boundary — the semantically invalid paths a well-typed replayed JSON can still carry: an `offset` that is not a 1-based integer, a first line `number` below `offset`, a line `number` that is not a 1-based integer (`0`, `1.5`, `NaN`, `Infinity`), a `totalLines` that is not a non-negative integer (`-1`, `1.5`, `NaN`), and lines whose numbers duplicate, decrease, or exceed `totalLines`; it also narrows an empty window at a positive `offset` (a byte cap below the first selected line). `packages/fs/tool-fs/tests/tools.spec.ts` pins the tool wiring: `execute` attaches the structured window (with and without a `lang` hint) as `meta`, `presentResult` narrows it into a `card: 'read'` view carrying the envelope-stripped `content`, and the decline paths (error result, non-single-text content, malformed envelope with valid meta, and valid envelope with absent or malformed meta) all fall back to `undefined`. Both changed source files hold per-file 100% coverage. This PR carries the snapshot evidence for the persisted meta and the extended union, not for a new rendered view: the re-recorded ACP session fixtures (`fs-read`, `fs-read-window`, `fs-edit`, `fs-policy-reject`, `fs-write-overwrite`, `parallel-tool-calls`, `workspace-context`, `workspace-edit`) pin the persisted read `meta` (with `{{cwd}}`-tokenized paths), and `cordis-inspect-jsdoc` pins the four-member `ToolResultView` union. The keyless snapshot and assembled-application transcript for the rendered read card belong to the follow-up Web PR that consumes the view, since this PR adds no new product-user-visible rendering — the TUI routes the read card through its existing generic dim-Markdown fallback (`transcript.ts` treats `card: 'read'` like `card: 'generic'`), so its output is unchanged. The `apps/cli` `parallel-file-reads` terminal golden (`apps/cli/tests/snapshots/parallel-file-reads/terminal.expected.txt`) pins exactly that: a real replay executes the read tool, renders it through the new `card: 'read'` gate, and the golden's dim-Markdown rows are byte-for-byte what a generic read produced before this card existed.
+
+## Related
+
+- [Tagged render-intent union for tool-call presentation](../architecture/2026-07-02-tool-render-intent-union.md) — the `card`-tagged vocabulary this extends with the `read` result arm.
+- [Canonical tool output contract](../architecture/2026-07-20-canonical-tool-output-contract.md) — owns the `presentationMeta` persisted channel this projects the read window onto.
+- [Web terminal card](2026-07-28-web-terminal-card.md) — the precedent for a client consuming a structured card; the read card follows the same producer pattern, result-side only.
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-read-card.zh.md b/.agents/notes/implemented/feature/2026-07-30-web-read-card.zh.md
new file mode 100644
index 0000000000..946bcca95b
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-read-card.zh.md
@@ -0,0 +1,49 @@
+# Agent Note: Read card — the read tool's structured line window reaches the client
+
+Status: implemented
+
+[English](2026-07-30-web-read-card.md) | 中文
+
+## Problem
+
+`read` 工具返回规范化输出对象 `{ path, offset, lines: [{ number, text }], totalLines }`，但它的展示层把这个结构压平了。`presentCall` 声明为 `GenericCallView`（`kind: 'read'`，一个跟随定位），`presentResult` 返回 `GenericResultView`，其唯一内容是剥掉 `<path>…</path><type>file</type><content>…</content>` 信封后的面向模型文本。收到该视图的 UI 只看到一个压平的文本块：行号以 `N: ` 前缀烘焙进文本、文件语言未知、`totalLines` 丢失。capable 客户端无法像渲染 diff 那样渲染一次 read——即带行号、语法高亮、行号槽与内容分离的代码视图。
+
+结构化数据在下游无法恢复。线上（wire）的工具结果只携带面向模型的 `ContentBlock[]`（已渲染文本）加上一个不透明的 `meta`；规范化输出对象留在工具内，从不到达客户端或会话日志。因此想要行数组、总数和语言提示的客户端无法从 `N: text` 文本里解析回它们——工具必须把它们投影到一个会持久化的通道上。
+
+## Decision
+
+给[渲染意图 union](../architecture/2026-07-02-tool-render-intent-union.md) 新增第四个 `card` 标签 `read`——仅在结果侧。`ToolResultView` 增加 `ReadResultView { card: 'read'; title?; path; lines: ReadFileLine[]; totalLines; lang?; content? }`；`ReadFileLine { number; text }` 是共享的行单元。`ToolCallView` 不动：待定状态仍是 `GenericCallView`（`kind: 'read'`），因为一次调用在 `execute` 返回前不携带文件内容，调用时没有可展示的结构。这与 bash 终端 card 不同——终端 card 两侧都打标签，因为终端调用在调用时已携带命令和 cwd，而 read 调用既无内容也无总数，给调用侧打标签只会新增一个空变体。
+
+read 工具通过 `output.presentationMeta` 投影结构化窗口，这与 write/edit 用来投影其应用 diff hunk 的持久化通道相同（[规范化工具输出契约](../architecture/2026-07-20-canonical-tool-output-contract.md)）。`presentationMeta` 对一次顶层 surface 调用运行一次，返回 `{ path, offset, lines, totalLines, lang? }` 作为会话校验并存储在结果 `meta` 上的 JSON，`presentResult` 在 live 和回放路径上都把该 meta 收窄回 `ReadResultView`。`offset`（窗口请求的 1-based 起始行）一并携带，是因为当字节上限低于首个选中行时，窗口会返回空的 `lines` 数组而 `totalLines` 为正；没有持久化的 `offset`，这类窗口的回放 card 就无法报告它从哪行开始、或续读应从哪行继续，而末行推断与文本重解析两种兜底都有损。没有这个通道，行数组和总数就无法触及：原始输出对象不在线上，而重新解析 `N: text` 文本既有损又对截断脚注脆弱。
+
+`presentResult` 在以下情况返回 `undefined`——即 generic 回退：meta 缺失或畸形（`readMetaFromMeta` 防御性收窄它，因此回放旧的已记录结果永不抛错）、结果是错误、以及单个文本块不是 read 信封。本 card 出现之前记录的结果——信封合法但无持久化 `meta`——有意走同一条 `undefined` 路径：客户端回退到原始 `result.content`，因此显示带 `<path>/<type>/<content>` 信封的原文，而非旧展示器返回的剥信封 generic card。这是 [pre-release 立场](../../../../AGENTS.md#pre-release-stance-foundation-over-blast-radius)下接受的降级：拒绝旧的磁盘格式，而非加一个剥信封的兼容分支——本 PR 已重录全部已发布 fixtures，且 session 格式不承诺向后兼容。在成功路径上，`presentResult` 在结构化字段之外携带 `content`（剥信封后的文本），因此不具备 read 能力的 UI（包括当前的 TUI）通过 generic/default card 分支渲染文件文本，与之前完全一致。TUI 的 `renderBody` switch（`packages/ui/tui/src/components/transcript.ts`）不是 `assertNever` 穷尽的：`terminal` 和 `diff` 有分支，其余都落入 generic 分支，该分支读取 `view.content`。仅有该默认分支还不够：`render()` 在一个独立门控上设置 `genericContent`（连同 dim-Markdown 的 `dimBody` 处理），该门控原先只判 `card === 'generic'`，因此 `read` card 虽保留文本却会丢失 dim 样式。现在该门控也接纳 `card: 'read'`，让 `content` 走同一条 dim-Markdown 路径，因此 read 在 TUI 中的渲染与 read card 出现之前完全一致。除这一处门控外，TUI 无需 read 专属代码。
+
+### 语言提示推导
+
+`langFromPath`（在 `read-render.ts` 中）通过一张固定小表（`LANG_BY_EXTENSION`，覆盖常见源码、配置、标记扩展名）把文件扩展名映射到语法高亮语言 id。它读取最后一个路径段与最后一个点之后的扩展名，大小写不敏感，并对以下情况返回 `undefined`：dotfile（`.gitignore`）、无扩展名（`/etc/hosts`）、结尾的点、以及任何未知扩展名——此时 card 省略 `lang`，UI 渲染纯文本。该表不是可调项（tunable）：它是 UI 可忽略的展示提示，而非随部署变化的选择，未知扩展名降级为纯文本而非失败。它有意保持小规模而非穷尽的语言注册表；扩展它是一行表项新增。
+
+## Alternatives considered
+
+**在 `presentResult` 中重新解析 `N: text` 面向模型文本。** 已否决：结构化行数组将不得不通过按第一个 `: ` 切分每行来重建，这既有歧义（某行文本自身含 `: `），又丢失精确的 `totalLines`（脚注只在部分分支中陈述它），并在渲染格式变化时立即失效。`presentationMeta` 携带已经结构化的数据，无需重新解析。
+
+**调用侧也打标签（`ReadCallView`），镜像终端 card 的两侧对称。** 已否决：read 调用在执行前没有内容、没有行数组、没有总数——调用侧 read card 会是一个空变体，重复 `GenericCallView`（`kind: 'read'`，跟随定位）已经表达的东西。终端 card 两侧都打标签是因为终端调用确实携带调用时数据（命令、cwd）；read 调用没有。
+
+**把结构化窗口放进新服务或旁路通道而非 `meta`。** 已否决：`meta` 是既有的持久化展示通道（write/edit 的应用 diff 就搭它），它随会话日志免费回放，无需新接线。服务会重新发明事件日志已提供的持久化与回放。
+
+**用 merge-extensible union 而非封闭标签。** 出于[渲染意图 union](../architecture/2026-07-02-tool-render-intent-union.md) 封闭的相同理由否决：新 card 需要消费代码来渲染它，因此被消费者静默丢弃的变体比编译错误更糟。把 `read` 加入封闭 union 是扩展它的许可方式——每个在 `card` 上 switch 的消费者都继续编译，因为新成员落入其 generic default，而想要富视图的消费者新增自己的分支。
+
+## Consequences
+
+`ToolResultView` 多了第四个成员。每个在 `card` 上 switch 的消费者都继续编译：TUI 和当前 Web 客户端把未知 card 路由到其 generic 路径，而 read card 携带 `content` 使该路径显示文件文本。从 `lines`/`lang`/`totalLines` 渲染带行号、语法高亮视图的 Web 前端是单独的后续 PR；本 PR 是让数据可触及的后端。在它落地前，read 在各处的渲染与之前完全一致（generic 文本 card）。
+
+read 工具现在为每次顶层 read 计算 `presentationMeta`，这是对已在手数据的一次小投影（一次 `lines.map` 和一次 `langFromPath` 调用）。meta 随会话日志持久化，因此 read 结果在磁盘上略大——它已渲染为文本的行数组，现在也以结构化形式存在。
+
+## Testing
+
+`packages/fs/tool-fs/tests/read-render.spec.ts` 单测 `langFromPath`（已知扩展名的大小写不敏感、扩展名在最后一段与最后一个点之后读取、以及 `undefined` 各情况：dotfile、无扩展名、结尾的点、未知）与 `readMetaFromMeta`（含与不含 `lang` 的良构收窄，以及每种拒绝：非对象、数组、缺失或类型错误的 `path`/`totalLines`/`lines`、畸形行项、非字符串 `lang`，以及——因为该函数收窄持久化的 opaque `meta` 边界——良构类型的回放 JSON 仍可能携带的语义无效路径：不是 1-based 整数的 `offset`、小于 `offset` 的首行 `number`、不是 1-based 整数的行 `number`（`0`、`1.5`、`NaN`、`Infinity`）、不是非负整数的 `totalLines`（`-1`、`1.5`、`NaN`）、以及行号重复、递减或超过 `totalLines` 的情况；并且收窄正 `offset` 处的空窗口（字节上限低于首个选中行））。`packages/fs/tool-fs/tests/tools.spec.ts` 固定工具接线：`execute` 把结构化窗口（含与不含 `lang` 提示）作为 `meta` 附上、`presentResult` 把它收窄为携带剥信封 `content` 的 `card: 'read'` 视图、以及各拒绝路径（错误结果、非单文本内容、meta 有效但信封畸形、信封有效但 meta 缺失或畸形）都回退到 `undefined`。两个改动的源文件保持逐文件 100% 覆盖率。本 PR 携带的是持久化 meta 与扩展后联合类型的快照证据，而非新渲染视图的证据：重录的 ACP session fixtures（`fs-read`、`fs-read-window`、`fs-edit`、`fs-policy-reject`、`fs-write-overwrite`、`parallel-tool-calls`、`workspace-context`、`workspace-edit`）钉住持久化的读取 `meta`（含 `{{cwd}}` 令牌化路径），`cordis-inspect-jsdoc` 钉住四成员的 `ToolResultView` 联合类型。已渲染读取 card 的 keyless 快照与组装应用 transcript 属于消费该视图的后续 Web PR，因为本 PR 不新增任何面向产品用户可见的渲染——TUI 通过其现有的通用 dim-Markdown 回退路由读取 card（`transcript.ts` 把 `card: 'read'` 当作 `card: 'generic'` 处理），因此其输出保持不变。`apps/cli` 的 `parallel-file-reads` 终端 golden（`apps/cli/tests/snapshots/parallel-file-reads/terminal.expected.txt`）正钉住这一点：一次真实回放执行 read 工具、经新的 `card: 'read'` 门渲染，golden 的 dim-Markdown 行与本 card 出现前 generic read 所产出的逐字节一致。
+
+## Related
+
+- [Tagged render-intent union for tool-call presentation](../architecture/2026-07-02-tool-render-intent-union.md) —— 本 Note 以 `read` 结果分支扩展的 `card` 标签词汇。
+- [Canonical tool output contract](../architecture/2026-07-20-canonical-tool-output-contract.md) —— 拥有本 Note 用来投影 read 窗口的 `presentationMeta` 持久化通道。
+- [Web terminal card](2026-07-28-web-terminal-card.md) —— 客户端消费结构化 card 的先例；read card 遵循相同的生产者模式，仅结果侧。
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.i18n.yaml
new file mode 100644
index 0000000000..dae8f18b4d
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.md
+2026-07-30-web-result-card-frontend.md: d6f4785e83335ca2dd5295516baf47c845ebf5bd
+2026-07-30-web-result-card-frontend.zh.md: ed95cbe39f4f0bf77ba5da64d664705a0841863f
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.md b/.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.md
new file mode 100644
index 0000000000..d6f4785e83
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.md
@@ -0,0 +1,49 @@
+# Agent Note: Web result card frontend — rendering the web render intent in the browser
+
+Status: implemented
+
+English | [中文](2026-07-30-web-result-card-frontend.zh.md)
+
+## Problem
+
+The `web_search` and `web_fetch` tools declare a `card: 'web'` result view ([web result card](2026-07-30-web-result-card.md)): a `kind`-tagged union carrying either the structured cited sources plus an optional provider answer (`kind: 'search'`) or the fetched URL and its HTTP status (`kind: 'fetch'`). That view already reaches the browser — host, connection, and runtime deliver it onto `ConversationSnapshot` as `resultView` — but the Web client ignored it: a completed web call rendered only as its flattened model-facing text, the same lossy render the contract note explains the structured view exists to replace. A `web_search` reached the reader as one free-text markdown line per source rather than a citation list of clickable sources, and a `web_fetch` as its markdown body with no retrieval summary.
+
+## Decision
+
+`WebBlock` is a `ui-primitives` component that renders a completed web retrieval, and every Web render site for a web call consumes the `web` render intent through it: the keyed chat tool rows (`web_search`/`web_fetch`), the `GenericToolCard` render-site fallback, and the details panel's Output section. `ui-conversation/src/client/contract/web-card-model.ts` is the single place that turns the snapshot's `resultView` into the component's props, mirroring `terminal-card-model.ts`, so no two sites disagree about what a web call shows. It returns null — the generic path — for a running call (the web card is result-only, since the tools keep a generic pending view), for a settled call whose result view is not a web card including a `card` value this client version does not know (which arrives over the wire and so cannot be trusted to be a compiled variant), for a generic result view (a web tool's error path returns the generic card, whose text the generic path preserves), and for a web card whose `kind` this client version does not know (a newer host's value off the wire, which reading as a fetch would draw as an empty URL and `HTTP undefined`).
+
+One component draws both kinds, discriminated by `kind`. A `search` shows the answer as markdown above a citation list; each source is a safe external link labelled by its title, or its hostname when the provider gave none, with the snippet and publication date below it, and a `来源列表已截断` indicator when the tool capped the list. A `fetch` shows a compact summary: the linked final URL, its HTTP status, and a `内容已截断` indicator. One component rather than two because both are web retrieval rendered as one card family, which is exactly the reason the contract carries them under one `card` tag with a `kind` discriminant.
+
+**Links are safe by the http(s) subset of the allowlist MarkdownText applies to untrusted assistant-authored links** — MarkdownText also permits `mailto:`, deliberately excluded here since a retrieval URL is never a mail address. A source or fetch URL becomes a navigable anchor only when its protocol is `http:` or `https:`, with `target="_blank"` and `rel="noopener noreferrer"`; a `javascript:`/`data:`/`file:`/`mailto:` URL or an unparseable string renders as plain text with no href. The result content a web tool returns is model-authored and reaches this component unverified, so it is treated as untrusted exactly as assistant markdown is. The label falls back from title to hostname to the raw URL, so a source always reads as something even when both the title is absent and the URL does not parse.
+
+**Geometry mirrors CodeBlock/TerminalBlock** (12px radius, code-block surface, 16px vertical margin) so a web card reads as one family with them. A long source list caps at `maxSources` with a head/tail collapse using TerminalBlock's exact split arithmetic (`ceil(max/2)` head lines plus the remaining tail), so a long body's slices agree between the two cards. A source list is prose rather than column-aligned output, so it wraps normally instead of scrolling horizontally the way a terminal card's output does — that is the one deliberate divergence from TerminalBlock.
+
+The card is **resident** under the summary row in the chat rows, capped at `CHAT_WEB_MAX_SOURCES` (8) — half the primitive's own default of 16, which the details panel keeps — the same summary-surface-versus-reading-surface split `CHAT_TERMINAL_MAX_LINES` draws for the terminal card, and the same resident posture `BashRow` uses. The keyed rows register one `WebRow` component under both `web_search` and `web_fetch`; the row discriminates on the tool name only to pick its icon (search vs. browse) and its title (`Search`/`Fetch`). A web-declaring tool without its own keyed row lands on `GenericToolCard`, which grows the same resident card. The details panel renders the card at the primitive's full source allowance and, below it, the flattened model-visible result content: a `web_fetch` card carries only the URL and status, so its fetched body is readable only here.
+
+## Consequences
+
+`WebBlock` reads only the web view's fields, so it stays a pure function of what the render intent carries — no session lookups, replay-safe like the presenters that produce the view, and unlike the terminal card it needs no cwd resolution because a web view carries no path. A UI without the `web` capability (the TUI) still gets the contract's fallback `content`; nothing about the tools' result shape changed. `MarkdownText` is reused for the answer, so the answer's own untrusted-link handling and GFM rendering come for free.
+
+A separate later PR unifies the whole-row collapse/expand interaction and will flip every resident card (terminal, diff, web) to expand-gated at once; this card follows the current resident convention rather than pre-empting that change.
+
+## Alternatives considered
+
+**Two components, one per kind.** Rejected: the two shapes share their card chrome, their safe-link handling, and their truncation indicator, and the contract already expresses their difference as a `kind` discriminant under one `card` tag; two components would duplicate the shared surface and split the safe-link logic.
+
+**Reparse the model-facing render text instead of consuming the structured view.** Rejected for the same reason the contract note gives: `web_search`'s render collapses each source's fields into one free-text line labelled by title OR hostname, so reparsing cannot recover `{url, title?, snippet?, publishedAt?}`. The structured `resultView` is the only faithful source, which is why the backend PR added it.
+
+**Render plain anchors without the protocol allowlist.** Rejected: the URL is model-authored and unverified at this seam, so an unfiltered href would let a `javascript:` URL execute on click. The allowlist is the http(s) subset of MarkdownText's (which also permits `mailto:`), so untrusted retrieval links behave identically wherever they render.
+
+## Testing
+
+`packages/client/ui-primitives/tests/web-block.spec.tsx` pins the component per-file to the 100% gate: both kinds; the title-or-hostname-or-raw-URL label fallback; the safe-link attributes on both kinds (an http(s) URL becoming an external anchor with `target`/`rel`, a `javascript:`/`file:`/unparseable URL rendering as a plain span with no href); the snippet and date shown or omitted on present/empty/absent; the truncation indicator gated on the flag; and the source-list height cap with its head/tail slice and expand/collapse control including the default cap.
+
+`packages/client/ui-conversation/tests/web-card.spec.tsx` mirrors `terminal-card.spec.tsx` at every wiring seam: `webCardModel`'s derivation projecting every source field, its truncation and absent-answer arms, the fetch derivation, and each null arm (running, null result view, generic result view, unknown card tag, unknown web `kind`); the keyed `WebRow`'s resident card for both kinds capped tighter than the panel, its summary-row-alone running and failed arms; the `GenericToolCard` fallback growing the resident card for a web-declaring tool and keeping the plain row for a non-web call; the details panel's Output section for both kinds — including a `web_fetch`'s body flattened below its URL/status card — and its flattened fallback for a non-web result; and the keyed registration under both `web_search` and `web_fetch` with one component. That file sits on the coverage `exclude` list (`ui-conversation/src/*`), so a coverage run measures none of it.
+
+The fixture (`packages/client/connection/src/client/fixture.ts`) adds turns 66 (`web_search`) and 67 (`web_fetch`), authored inline because the client-side fixture cannot import the web tool: turn 66's result view carries an answer and three sources exercising the citation list (a titled source with a snippet and date, a source with no title so its hostname labels the link, and a source with a date but no snippet) with the capped indicator on; turn 67's carries the fetched URL and a 200 status. Both keep a generic pending call view and add the `web` card only at result time, matching the contract's result-only web shape, and are named after the real tools so they hit the keyed `WebRow`. They are ordered before the todo turn (renumbered to 68) for the same reason the terminal turn is: the standing plan retires at the next `turn/start`, so a turn appended after it would empty the dock's plan strip. This drives the built-boot snapshot and a live `?fixture` server.
+
+## Related
+
+- [Web result card](2026-07-30-web-result-card.md) — the backend PR that added the `card: 'web'` result arm and made the two tools emit it; this is its deferred frontend consumer.
+- [Web terminal card](2026-07-28-web-terminal-card.md) — the precedent this mirrors: a `ui-primitives` block, a single card-model derivation, keyed and fallback chat rows, and a details-panel arm, for the `terminal` render intent.
+- [Tagged render-intent union for tool-call presentation](../architecture/2026-07-02-tool-render-intent-union.md) — the `card`-tagged vocabulary; the Web client is now a full consumer of the `web` arm.
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.zh.md b/.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.zh.md
new file mode 100644
index 0000000000..ed95cbe39f
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.zh.md
@@ -0,0 +1,49 @@
+# Agent Note: Web result 卡片前端 —— 在浏览器渲染 web 渲染意图
+
+Status: implemented
+
+[English](2026-07-30-web-result-card-frontend.md) | 中文
+
+## Problem
+
+`web_search` 和 `web_fetch` 工具声明了 `card: 'web'` result view（[web result card](2026-07-30-web-result-card.md)）：一个 `kind` 标签联合,携带结构化的被引用 sources 加可选的 provider answer（`kind: 'search'`),或抓取的 URL 及其 HTTP 状态（`kind: 'fetch'`）。该视图早已抵达浏览器 —— host、connection、runtime 将它作为 `resultView` 投递到 `ConversationSnapshot` —— 但 Web 客户端忽略了它:一次已完成的 web 调用只渲染为摊平的模型可见文本,正是契约笔记所解释的、结构化视图要替代的那种有损渲染。`web_search` 到达读者时是每个 source 一行自由文本 markdown,而非可点击 source 的引用列表;`web_fetch` 是它的 markdown 正文,没有检索摘要。
+
+## Decision
+
+`WebBlock` 是一个 `ui-primitives` 组件,渲染一次已完成的 web 检索,web 调用的每个 Web 渲染点都通过它消费 `web` 渲染意图:键控的 chat 工具行（`web_search`/`web_fetch`）、`GenericToolCard` 渲染点兜底,以及详情面板的 Output 区。`ui-conversation/src/client/contract/web-card-model.ts` 是唯一把快照的 `resultView` 转成组件 props 的地方,镜像 `terminal-card-model.ts`,因此没有两个渲染点会对一次 web 调用的显示产生分歧。它返回 null —— 走通用路径 —— 对运行中的调用（web 卡片是 result-only 的,因为工具保留 generic pending 视图）、对 result view 不是 web 卡片的已结算调用（包括本客户端版本不认识的 `card` 值,它经 wire 抵达因而不能被信任为已编译的变体）、对 generic result view（web 工具的错误路径返回 generic 卡片,其文本由通用路径保留）、以及对本客户端版本不认识 `kind` 的 web 卡片（更新的 host 经 wire 发来的值,读作 fetch 会画出空 URL 和 `HTTP undefined`）。
+
+一个组件绘制两种 kind,由 `kind` 判别。`search` 把 answer 作为 markdown 显示在引用列表上方;每个 source 是一个安全外链,以其标题为标签,provider 未给标题时以其主机名为标签,下方是 snippet 与发布日期,工具截断列表时显示 `来源列表已截断` 提示。`fetch` 显示一个紧凑摘要:带链接的最终 URL、其 HTTP 状态、以及 `内容已截断` 提示。用一个组件而非两个,因为两者都是渲染为同一卡片族的 web 检索 —— 这正是契约把它们放在一个 `card` 标签下、用 `kind` 判别的原因。
+
+**链接的安全性沿用 MarkdownText 对不受信任的 assistant 链接所用 allowlist 的 http(s) 子集。** MarkdownText 还允许 `mailto:`，此处刻意排除，因为检索 URL 绝不会是邮件地址。一个 source 或 fetch URL 仅当其协议为 `http:` 或 `https:` 时才成为可导航锚点，带 `target="_blank"` 和 `rel="noopener noreferrer"`；`javascript:`/`data:`/`file:`/`mailto:` URL 或无法解析的字符串渲染为纯文本、无 href。web 工具返回的 result content 是模型创作的,未经验证抵达本组件,因此像 assistant markdown 一样被当作不受信任处理。标签从标题回退到主机名再回退到原始 URL,因此即便标题缺失且 URL 无法解析,source 也总能读作某个东西。
+
+**几何镜像 CodeBlock/TerminalBlock**（12px 圆角、code-block 表面、16px 垂直外边距）,使 web 卡片与它们读作一家。长 source 列表在 `maxSources` 处折叠,用 TerminalBlock 完全相同的分割算术做头/尾折叠（`ceil(max/2)` 头部行加剩余尾部）,使长正文的切片在两张卡之间一致。source 列表是散文而非按列对齐的输出,所以它正常换行,而不像终端卡片的输出那样横向滚动 —— 这是与 TerminalBlock 唯一刻意的分歧。
+
+卡片在 chat 行中**常驻**于摘要行之下,上限 `CHAT_WEB_MAX_SOURCES`（8）—— 原语自身默认 16 的一半,面板保留 16 —— 与 `CHAT_TERMINAL_MAX_LINES` 为终端卡片所画的摘要面对阅读面的同一划分,以及 `BashRow` 所用的同一常驻姿态。键控行把一个 `WebRow` 组件注册在 `web_search` 与 `web_fetch` 两个键下;行仅根据工具名判别以选取其图标（search 对 browse）与标题（`Search`/`Fetch`）。没有自己键控行的 web 声明工具落到 `GenericToolCard`,它长出同一张常驻卡片。详情面板以原语的完整 source 额度渲染卡片,并在其下方渲染摊平的模型可见结果内容:`web_fetch` 卡片只携带 URL 与状态,因此其抓取正文只在此处可读。
+
+## Consequences
+
+`WebBlock` 只读 web view 的字段,因此它是渲染意图所携带内容的纯函数 —— 无会话查找,与产出该视图的 presenter 一样回放安全,且不同于终端卡片它不需要 cwd 解析,因为 web view 不携带路径。没有 `web` 能力的 UI（TUI）仍得到契约的回退 `content`;工具的 result 形状没有任何改变。answer 复用 `MarkdownText`,因此 answer 自身的不受信任链接处理与 GFM 渲染免费获得。
+
+一条独立的后续 PR 会统一整行折叠/展开交互,并把每张常驻卡片（terminal、diff、web）一次性翻成 expand-gated;本卡片遵循当前的常驻约定,而非抢先做那次改动。
+
+## Alternatives considered
+
+**两个组件,每种 kind 一个。** 拒绝:两种形状共享卡片外框、安全链接处理、截断提示,而契约已经把它们的差异表达为一个 `card` 标签下的 `kind` 判别;两个组件会重复共享表面并拆分安全链接逻辑。
+
+**重解析模型可见的渲染文本,而非消费结构化视图。** 因契约笔记给出的同一理由拒绝:`web_search` 的渲染把每个 source 的字段压缩成一行自由文本、以标题或主机名为标签,所以重解析无法恢复 `{url, title?, snippet?, publishedAt?}`。结构化的 `resultView` 是唯一忠实来源,这正是后端 PR 添加它的原因。
+
+**不加协议 allowlist 直接渲染裸锚点。** 拒绝:URL 在此接缝处是模型创作、未经验证的,所以未过滤的 href 会让 `javascript:` URL 在点击时执行。该 allowlist 是 MarkdownText allowlist（它还允许 `mailto:`）的 http(s) 子集,因此不受信任的检索链接无论在何处渲染都行为相同。
+
+## Testing
+
+`packages/client/ui-primitives/tests/web-block.spec.tsx` 把组件钉到 per-file 100% 门槛:两种 kind;标题-或-主机名-或-原始 URL 的标签回退;两种 kind 上的安全链接属性（http(s) URL 成为带 `target`/`rel` 的外链,`javascript:`/`file:`/无法解析的 URL 渲染为无 href 的纯 span）;snippet 与日期在存在/为空/缺失时的显示或省略;由标志位控制的截断提示;以及 source 列表高度上限及其头/尾切片与展开/收起控件,含默认上限。
+
+`packages/client/ui-conversation/tests/web-card.spec.tsx` 在每个接线接缝镜像 `terminal-card.spec.tsx`:`webCardModel` 的派生投影每个 source 字段、其截断与缺失 answer 的支路、fetch 派生、以及每个 null 支路（运行中、null result view、generic result view、未知 card 标签、未知 web `kind`）;键控 `WebRow` 对两种 kind 的常驻卡片、比面板收得更紧、其仅摘要行的运行中与失败支路;`GenericToolCard` 兜底为 web 声明工具长出常驻卡片、并为非 web 调用保持纯行;详情面板 Output 区对两种 kind —— 含 `web_fetch` 正文摊平在其 URL/状态卡片下方 —— 及其对非 web 结果的摊平回退;以及在 `web_search` 与 `web_fetch` 两键下用一个组件的键控注册。该文件位于覆盖率 `exclude` 列表（`ui-conversation/src/*`）,因此覆盖率运行不度量它。
+
+fixture（`packages/client/connection/src/client/fixture.ts`）添加 turn 66（`web_search`）与 67（`web_fetch`）,内联撰写,因为客户端 fixture 无法 import web 工具:turn 66 的 result view 携带一个 answer 与三个 source,演练引用列表（一个带 snippet 与日期的有标题 source、一个无标题因而以主机名标注链接的 source、一个有日期无 snippet 的 source）并开启截断提示;turn 67 携带抓取的 URL 与一个 200 状态。两者都保留 generic pending call view,仅在 result 时添加 `web` 卡片,匹配契约的 result-only web 形状,且以真实工具命名,使其命中键控 `WebRow`。它们被排在 todo turn（重编号为 68）之前,理由与终端 turn 相同:待定计划在下一个 `turn/start` 退休,所以排在其后的 turn 会清空 dock 的 plan strip。这驱动 built-boot snapshot 与一个实时 `?fixture` 服务。
+
+## Related
+
+- [Web result card](2026-07-30-web-result-card.md) —— 添加 `card: 'web'` result 支路并让两个工具发出它的后端 PR;本条是它推迟的前端消费者。
+- [Web terminal card](2026-07-28-web-terminal-card.md) —— 本条所镜像的先例:一个 `ui-primitives` block、一处 card-model 派生、键控与兜底 chat 行、以及一个详情面板支路,用于 `terminal` 渲染意图。
+- [工具调用呈现的标签化 render-intent union](../architecture/2026-07-02-tool-render-intent-union.md) —— `card` 标签词汇;Web 客户端现在是 `web` 支路的完整消费者。
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-search-card.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-web-search-card.i18n.yaml
new file mode 100644
index 0000000000..a6658971b1
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-search-card.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-web-search-card.md
+2026-07-30-web-search-card.md: 4c7ae6c8c658f4f10f0667b12853cb2e70df15b1
+2026-07-30-web-search-card.zh.md: 714a2979730dc2c83f6cfc1cf6d21978755a2d95
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-search-card.md b/.agents/notes/implemented/feature/2026-07-30-web-search-card.md
new file mode 100644
index 0000000000..4c7ae6c8c6
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-search-card.md
@@ -0,0 +1,65 @@
+# Agent Note: Web search card — the grep and glob render intent reaches the browser
+
+Status: implemented
+
+English | [中文](2026-07-30-web-search-card.zh.md)
+
+## Problem
+
+The `grep` and `glob` tools declare a result-time `card: 'search'` render intent ([search render card](2026-07-30-search-render-card.md)): a `SearchMatchesResultView` (`shape: 'matches'`) carrying grep's matches grouped by file, or a `SearchPathsResultView` (`shape: 'paths'`) carrying glob's flat path list, both with a `truncated`/`total` capping signal. That view already reaches the browser — host, connection, and runtime deliver it onto `ConversationSnapshot` as `resultView` — but the Web client ignored it: every non-terminal, non-diff tool result fell through to the generic card, which renders the model-facing text. A web frontend that wants an expandable per-file group of matches, or a scannable path list, had only the pre-formatted text.
+
+This is the follow-up the search render card note names: that PR was the backend contract and its two producers; this PR is the web consumer.
+
+## Decision
+
+`SearchBlock` is a `ui-primitives` component that renders a completed search as either shape, and the Web render sites for a `grep`/`glob` call consume the search render intent through it. `ui-conversation/src/client/contract/search-card-model.ts` is the single place that turns the snapshot's `resultView` into the component's props, so no render site re-derives the shape. It returns null — the generic path — whenever the result view is not a search card, including a still-running call (a search card is result-time only, so there is nothing before `execute`), a generic result a `grep`/`glob` failure or a nested `run_code` dispatch produces, a terminal result view, a `card` value this client version does not know, a `card: 'search'` view whose `shape` this version does not compile, and — because `shape` and the grouped/flat contents ride the same untrusted wire frame the host schema only string-checks — a known `shape` whose `files`/`paths` is missing or malformed (which would otherwise crash `SearchBlock` at `.reduce`/`.map`). The result-view discriminant is `shape` (not `kind`, which the backend reserves for the call view's icon-picking tag); `SearchBlock`'s own prop stays `kind`, mapped from `shape` in this derivation.
+
+The asymmetry with the terminal card is deliberate and inherited from the backend contract: `terminalCardModel` reads both `callView` and `resultView` because a command, cwd, and description exist at call time; `searchCardModel` reads only `resultView` because a search's matches or paths exist only after execution. A running search row therefore shows its summary alone, with no card.
+
+One component draws both shapes, discriminated by `kind`, because `grep` and `glob` are the same visual object — a search result. `SearchMatchesBlockProps` (`kind: 'matches'`) and `SearchPathsBlockProps` (`kind: 'paths'`) keep each shape's fields required rather than a single interface with everything optional. The component flattens whichever shape it holds into one list of render rows — a file header row plus its match rows for the matches shape, one path row per path for the paths shape — so the height cap counts a file header as one row exactly as a match line or a path, and the head/tail slice arithmetic is `TerminalBlock`'s (`ceil(max/2)` head, the remainder tail), so a long search result and a long command output cut at the same place across the two cards.
+
+The component's contract:
+
+- **Grouped matches, collapsible per file.** Each file is a header row (a bold path plus its match count, the whole row the collapse control) followed by its `lineNumber: line` rows. Collapsing a group drops its match rows from the flattened list and from the height cap's arithmetic, but never from the copy text.
+- **Flat path list.** The paths shape renders one path per row, no headers.
+- **A capped indicator.** When `truncated`, the banner summary folds the pre-cap total in — `显示 X / 共 N 处匹配 · K 个文件` for grep, `显示 X / 共 N 个路径` for glob — so the card never presents a capped page as the complete result. When not `truncated` the summary is a plain structural count (`{n} 处匹配 · {m} 个文件`, or `{n} 个路径`).
+- **A recovery footer for a capped result.** The card holds only the retained page, but the locator to the rest — grep/glob's `Full … stored at: <locator>` footer — lives only in the raw `tool/result` content (the search view carries no result text; a UI without a card falls back to that raw content), not in the structured matches/paths. Because every render site replaces the raw result with the card, `searchCardModel` surfaces the block's own flattened result text as `SearchCardModel.recovery` when (and only when) the result was capped, and each render site draws it below the card. Without this the one path to the dropped rows would vanish from the UI; an uncapped result carries every row, so its raw text adds nothing and is dropped.
+- **No soft wrapping.** Result rows are `white-space: pre` inside a horizontally scrolling box, so a long match line or a deep path scrolls sideways rather than folding.
+- **Height cap with an expand control.** More than `DEFAULT_SEARCH_MAX_LINES` (16) rows shows a head/tail slice with a button reporting the hidden count, the same shape and arithmetic as `TerminalBlock`.
+- **Copy.** The copy control writes the whole structured result — every file and match, or every path — regardless of the height cap or which groups are collapsed, so the clipboard carries the result rather than what the card happens to be showing.
+
+Geometry, radius, and fonts mirror `CodeBlock` and `TerminalBlock`, so a search card reads as one family with them; `white-space: pre` plus horizontal scroll is the shared deliberate divergence.
+
+### Render sites
+
+Three sites consume the derivation, mirroring the terminal card's placement exactly:
+
+- **The keyed `SearchRow`** (`toolviews/search-row.tsx`) registers ONE component under both `grep` and `glob` in the `conversation.chat.toolview` keyed hole, and renders the card RESIDENT under the summary row, capped at `CHAT_SEARCH_MAX_LINES` (8) — the same posture `BashRow` takes for its terminal card. Both tool names get the same row because the derived `kind` decides the shape, so a second component would duplicate it. A capped result's recovery footer sits below the card. Because the keyed row owns this render slot, a settled call with no search card — an errored search (grep/glob emit no result view on error), a successful nested `run_code` sub-dispatch (the backend computes no `presentationMeta`, so `resultView` is null), or a legacy generic result — would otherwise show only its summary with its content lost; the row surfaces that model-facing text as a fallback body, keyed on `search === null && settled` rather than on the error state alone. (This resident posture matches the current terminal/diff cards; a separate later PR unifies the whole-row collapse/expand interaction and flips all resident cards at once — out of scope here.)
+- **The generic fallback** (`chat/GenericToolCard` → `chat/ToolRow`) threads the derived model as an expand-gated body, the same arm `terminal` uses: a `grep`/`glob` result with no keyed row (none in the shipped app, since both are registered) still renders its card, with the recovery footer, behind the row's expand toggle.
+- **The details panel** (`skeleton/DetailsPanel`) renders the card at the primitive's own full height in the Output section, with the recovery footer below it, keeping the JSON Input section.
+
+`CHAT_SEARCH_MAX_LINES` (8) is the row cap, half the primitive's default the panel keeps, for the same reason as `CHAT_TERMINAL_MAX_LINES`: the chat flow is a summary surface read across many calls, the panel is the single-call reading surface.
+
+## Alternatives considered
+
+**Two card components, one per tool.** Rejected: `grep` and `glob` are the same visual object discriminated only by `kind`, so two components would duplicate the banner, the height cap, the copy control, and the no-wrap geometry. One component switching on `kind` is what the backend's single `card: 'search'` view is for.
+
+**A `SearchCallView` so the row renders a card while the search runs.** Rejected: the backend contract deliberately has no call-time search view — a search has no matches or paths before `execute`. The running row shows its summary alone, and `searchCardModel` returns null for a running block, which is faithful to what exists.
+
+**Reuse `TerminalBlock` or `CodeBlock`.** Rejected: neither models per-file collapsible groups or a folded capped-result summary, and both would need the grouped-matches shape bolted on. The three blocks share their geometry and font tokens instead, which is the only part where one implementation is correct for all.
+
+## Consequences
+
+`SearchBlock` reads only the search view's fields, so it stays a pure function of what the render intent carries — no session lookups, replay-safe like the presenters that produce the view. A UI without the search capability still gets the bridge's fenced fallback; nothing about the tool's result shape changed. Extending `ToolRow` with a `search` body prop adds one arm beside `terminal`; a call carries at most one card kind, so the two are never both present on a row.
+
+## Testing
+
+`packages/client/ui-primitives/tests/search-block.spec.tsx` pins the component at per-file 100%: both kinds, the folded pre-cap total in the summary, the empty arm, per-file collapse/re-expand without touching neighbours, a file header counting as one capped row alongside its matches, the tail slice restoring its owning file header when the cut falls mid-file, the head/tail cap and its expand control across both shapes and the no-tail and default-cap edges, and the copy control writing the whole structured result on the accepted and refused clipboard paths.
+
+`packages/client/ui-conversation/tests/search-card.spec.tsx` pins the wiring at every render site: `searchCardModel`'s derivation for both kinds, the truncation signal, the replacement title, the recovery text surfaced only when capped, each null arm (running, no views, generic, terminal, unknown card, an uncompiled `kind`, and a known kind with a missing/malformed shape); the chat row's expand-gated matches and paths bodies through `GenericToolCard` (with the recovery footer) against the non-search args-JSON body; `SearchRow`'s resident card for both kinds, its recovery footer, its fallback body for both an errored search and a settled cardless result, its agreement with the summary row's run state, the replacement-title precedence, and the keyed registration under both `grep` and `glob` with one component; and the details panel's Output section for both kinds (with the recovery footer) against the non-search flattened form. `packages/client/ui-conversation/src/*` sits on the coverage exclude list, so this file is written against no gate pressure. `packages/client/connection/src/client/fixture.ts` gains a `grep` turn emitting `kind: 'matches'` (three files, twelve rows over the row cap, `truncated` with a spill-recovery footer, so it exercises the head/tail cap and the recovery footer in the assembled snapshot) and a `glob` turn emitting `kind: 'paths'`, both driving the built-boot snapshot and the live `?fixture` server. `apps/web/tests/search-card.snapshot.ts` is the assembled-output check the repo contract asks for: it boots the real built `client.js` bundles through the keyless fixture transport, opens the fixture session, and pins the grep card's assembled shape — kind, truncation summary, the head/tail slice, and its expand control — under `apps/web/tests/snapshots/search-card/`, so a broken SearchRow registration or a dropped card fails a golden the built-boot smoke (boot-only by contract) cannot.
+
+## Related
+
+- [Search render intent — grep and glob emit a structured search card](2026-07-30-search-render-card.md) — the backend contract and its two producers; this is its named web-consumer follow-up.
+- [Web terminal card](2026-07-28-web-terminal-card.md) — the precedent this mirrors: a tool's render intent reaches the browser through a `ui-primitives` block, a single `contract/*-card-model.ts` derivation, and the same three render sites.
+- [Tagged render-intent union for tool-call presentation](../architecture/2026-07-02-tool-render-intent-union.md) — the `card`-tagged vocabulary both cards consume.
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-search-card.zh.md b/.agents/notes/implemented/feature/2026-07-30-web-search-card.zh.md
new file mode 100644
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@@ -0,0 +1,65 @@
+# Agent Note：Web 搜索卡片 —— grep 与 glob 的 render intent 到达浏览器
+
+Status: implemented
+
+[English](2026-07-30-web-search-card.md) | 中文
+
+## Problem
+
+`grep` 与 `glob` 工具声明了一个仅在结果阶段存在的 `card: 'search'` render intent（[search render card](2026-07-30-search-render-card.md)）：`SearchMatchesResultView`（`shape: 'matches'`）携带 grep 按文件分组的匹配，或 `SearchPathsResultView`（`shape: 'paths'`）携带 glob 的扁平路径列表，两者都带 `truncated`/`total` 截断信号。该视图已经到达浏览器 —— host、connection、runtime 把它作为 `resultView` 投递到 `ConversationSnapshot` 上 —— 但 Web 客户端忽略了它：每个非终端、非 diff 的工具结果都落到 generic 卡片，渲染面向模型的文本。想把搜索结果渲染成可展开的按文件匹配分组、或可扫读的路径列表的 web 前端，只有那段预格式化文本。
+
+这正是 search render card note 指名的后续：那个 PR 是后端契约和它的两个生产者，本 PR 是 web 消费者。
+
+## Decision
+
+`SearchBlock` 是一个 `ui-primitives` 组件，把一次已完成的搜索渲染成两种形态之一，`grep`/`glob` 调用的 Web 渲染点都通过它消费搜索 render intent。`ui-conversation/src/client/contract/search-card-model.ts` 是把 snapshot 的 `resultView` 转成组件 props 的唯一位置，因此没有渲染点重新推导形态。当结果视图不是搜索卡片时它返回 null（走 generic 路径），包括仍在运行的调用（搜索卡片仅在结果阶段存在，`execute` 前无内容）、`grep`/`glob` 失败或嵌套 `run_code` dispatch 产生的 generic 结果、terminal 结果视图、本客户端版本不认识的 `card` 值、`shape` 是本版本无法编译的 `card: 'search'` 视图，以及 —— 因为 `shape` 和分组/扁平内容与 host schema 只做字符串校验的那同一个不可信 wire 帧同行 —— 一个 `shape` 已知但 `files`/`paths` 缺失或格式错误的视图（否则会让 `SearchBlock` 在 `.reduce`/`.map` 处崩溃）。结果视图的判别键是 `shape`（不是 `kind` —— 后端把 `kind` 留给 call view 的选图标签）；`SearchBlock` 自身的 prop 仍是 `kind`，由本推导从 `shape` 映射得到。
+
+与终端卡片的不对称是刻意的，继承自后端契约：`terminalCardModel` 同时读 `callView` 和 `resultView`，因为命令、cwd、description 在调用时就存在；`searchCardModel` 只读 `resultView`，因为搜索的匹配或路径只在执行后存在。因此运行中的搜索行只显示摘要，没有卡片。
+
+一个组件绘制两种形态，用 `kind` 区分，因为 `grep` 和 `glob` 是同一个视觉对象 —— 一个搜索结果。`SearchMatchesBlockProps`（`kind: 'matches'`）和 `SearchPathsBlockProps`（`kind: 'paths'`）让每种形态的字段保持必填，而不是所有字段都可选的单一接口。组件把它持有的形态压平成一个渲染行列表 —— matches 形态是一个文件头行加它的匹配行，paths 形态是每个路径一行 —— 于是高度上限把一个文件头当作一行来计，与一条匹配行或一个路径相同，头/尾切片算术就是 `TerminalBlock` 的（`ceil(max/2)` 头，其余为尾），因此一个长搜索结果和一段长命令输出在两张卡片间在同一处截断。
+
+组件契约：
+
+- **按文件分组的匹配，逐文件可折叠。** 每个文件是一个头行（加粗路径加它的匹配计数，整行即折叠控件），后面跟它的 `lineNumber: line` 行。折叠一个组会把它的匹配行从压平列表和高度上限的算术里去掉，但绝不从复制文本里去掉。
+- **扁平路径列表。** paths 形态每行一个路径，无头行。
+- **截断指示。** `truncated` 时，横幅摘要把截断前总数折入 —— grep 为 `显示 X / 共 N 处匹配 · K 个文件`，glob 为 `显示 X / 共 N 个路径` —— 因此卡片绝不把一个被截断的页面呈现为完整结果。未 `truncated` 时摘要是一个朴素的结构计数（`{n} 处匹配 · {m} 个文件`，或 `{n} 个路径`）。
+- **被截断结果的恢复脚注。** 卡片只持有保留的那一页，但通往其余部分的定位符 —— grep/glob 的 `Full … stored at: <locator>` 脚注 —— 只存在于原始 `tool/result` 内容里（搜索视图不携带结果文本；没有卡片的 UI 回退到那段原始内容），而非结构化的 matches/paths 中。由于每个渲染点都用卡片替换了原始结果，`searchCardModel` 在（且仅在）结果被截断时把 block 自身压平后的结果文本作为 `SearchCardModel.recovery` 暴露出来，每个渲染点把它画在卡片下方。没有它，通往被丢弃行的唯一路径就会从 UI 里消失；未截断的结果携带了每一行，其原始文本不增加任何信息，因此被丢弃。
+- **不软换行。** 结果行在一个横向滚动的盒子里 `white-space: pre`，因此一条长匹配行或一个深路径横向滚动而不折叠。
+- **带展开控件的高度上限。** 超过 `DEFAULT_SEARCH_MAX_LINES`（16）行时显示一个头/尾切片，中间一个按钮报告被隐藏的行数，形状和算术与 `TerminalBlock` 相同。
+- **复制。** 复制控件写入整个结构化结果 —— 每个文件与匹配，或每个路径 —— 无关高度上限或哪些组被折叠，因此剪贴板携带的是结果本身，而不是卡片此刻恰好显示的内容。
+
+几何、圆角、字体镜像 `CodeBlock` 与 `TerminalBlock`，因此搜索卡片与它们读作同一族；`white-space: pre` 加横向滚动是它们共享的刻意分歧。
+
+### 渲染点
+
+三个渲染点消费该推导，与终端卡片的落位完全一致：
+
+- **keyed `SearchRow`**（`toolviews/search-row.tsx`）把一个组件同时注册到 `conversation.chat.toolview` keyed hole 的 `grep` 与 `glob` 键下，并把卡片作为常驻（resident）渲染在摘要行下方，上限为 `CHAT_SEARCH_MAX_LINES`（8）—— 与 `BashRow` 对其终端卡片采取的姿态相同。两个工具名共用同一行，因为推导出的 `kind` 决定形态，第二个组件只会重复它。被截断结果的恢复脚注画在卡片下方。因为 keyed 行占据了这个渲染槽，一个没有搜索卡片的已结算调用 —— 出错的搜索（grep/glob 出错时不产出结果视图）、成功的嵌套 `run_code` 子派发（后端不为其计算 `presentationMeta`，故 `resultView` 为 null）、或旧日志的 generic 结果 —— 否则只会显示摘要而丢失内容；该行把这段面向模型的文本作为 fallback body 暴露出来，判据是 `search === null && 已结算`，而非仅凭错误状态。（该常驻姿态与当前的 terminal/diff 卡片一致；一个单独的后续 PR 会统一整行折叠/展开交互并一次性翻转所有常驻卡片 —— 不在本 PR 范围内。）
+- **generic fallback**（`chat/GenericToolCard` → `chat/ToolRow`）把推导出的 model 作为展开门控的 body 传入，与 `terminal` 用的是同一分支：没有 keyed 行的 `grep`/`glob` 结果（发布应用里没有，因为两者都注册了）仍在行的展开开关后渲染其卡片，并带恢复脚注。
+- **details panel**（`skeleton/DetailsPanel`）在 Output 段以 primitive 自身的完整高度渲染卡片，恢复脚注画在其下方，保留 JSON Input 段。
+
+`CHAT_SEARCH_MAX_LINES`（8）是行内上限，为 primitive 默认值的一半（panel 保留默认值），理由与 `CHAT_TERMINAL_MAX_LINES` 相同：chat 流是跨多次调用扫读的摘要表面，panel 是单次调用的阅读表面。
+
+## Alternatives considered
+
+**两个卡片组件，每个工具一个。** 否决：`grep` 与 `glob` 是仅由 `kind` 区分的同一视觉对象，两个组件会重复横幅、高度上限、复制控件与不换行几何。一个按 `kind` 分支的组件正是后端那个单一 `card: 'search'` 视图的用途。
+
+**加一个 `SearchCallView`，让行在搜索运行时就渲染卡片。** 否决：后端契约刻意没有调用阶段的搜索视图 —— 搜索在 `execute` 前没有匹配或路径。运行中的行只显示摘要，`searchCardModel` 对运行块返回 null，忠实于实际存在的东西。
+
+**复用 `TerminalBlock` 或 `CodeBlock`。** 否决：两者都不建模逐文件可折叠的组或折叠式截断摘要，都需要把按文件分组的形态硬塞进去。三个块转而共享几何与字体 token，那是唯一一处一个实现对三者都正确的部分。
+
+## Consequences
+
+`SearchBlock` 只读搜索视图的字段，因此保持为 render intent 所携内容的纯函数 —— 无会话查询，与产生该视图的 presenter 一样可重放。没有搜索能力的 UI 仍得到 bridge 的围栏回退；工具的结果形态没有任何改变。给 `ToolRow` 扩一个 `search` body prop 只在 `terminal` 旁加一个分支；一次调用至多携带一种卡片，因此两者绝不同时出现在一行。
+
+## Testing
+
+`packages/client/ui-primitives/tests/search-block.spec.tsx` 以 per-file 100% 覆盖固定组件：两种 kind、折入摘要的截断前总数、空结果分支、逐文件折叠/再展开且不影响邻居、一个文件头与其匹配一起计为一个被截断行、切口落在文件中间时尾部切片恢复其所属文件头、跨两种形态的头/尾上限及其展开控件（含无尾与默认上限的边界），以及复制控件在接受与拒绝的剪贴板路径上写入整个结构化结果。
+
+`packages/client/ui-conversation/tests/search-card.spec.tsx` 固定每个渲染点的接线：`searchCardModel` 对两种 kind 的推导、截断信号、替换标题、仅在截断时暴露的恢复文本，以及每个 null 分支（运行中、无视图、generic、terminal、未知卡片、本版本无法编译的 `kind`、以及一个形态缺失/错误的已知 kind）；通过 `GenericToolCard` 的展开门控 matches 与 paths body（含恢复脚注），对照非搜索的 args-JSON body；`SearchRow` 对两种 kind 的常驻卡片、它的恢复脚注、它对出错搜索与已结算无卡片结果两者的 fallback body、它与摘要行运行状态的一致、替换标题优先级，以及一个组件在 `grep` 与 `glob` 两个键下的 keyed 注册；以及 details panel 的 Output 段对两种 kind（含恢复脚注），对照非搜索的压平形态。`packages/client/ui-conversation/src/*` 在覆盖排除清单上，因此该文件不受 gate 压力。`packages/client/connection/src/client/fixture.ts` 新增一个发出 `kind: 'matches'` 的 `grep` turn（三个文件、十二行超过行内上限、`truncated` 且带溢出恢复脚注，因此在组装快照里同时演练头/尾上限与恢复脚注）与一个发出 `kind: 'paths'` 的 `glob` turn，两者都驱动 built-boot snapshot 与实时 `?fixture` 服务。`apps/web/tests/search-card.snapshot.ts` 是仓库契约要求的组装输出检查：它通过 keyless fixture 传输启动真实构建的 `client.js` bundle，打开 fixture 会话，并把 grep 卡片的组装形态——kind、截断摘要、头/尾切片及其展开控件——固定在 `apps/web/tests/snapshots/search-card/` 下，因此一个损坏的 SearchRow 注册或被丢弃的卡片会让一个 golden 失败，而 built-boot smoke（按契约只测启动）无法捕获它。
+
+## Related
+
+- [Search render intent —— grep 与 glob 发出结构化搜索卡片](2026-07-30-search-render-card.md) —— 后端契约与它的两个生产者；本 note 是它指名的 web 消费者后续。
+- [Web 终端卡片](2026-07-28-web-terminal-card.md) —— 本 note 镜像的先例：工具的 render intent 通过一个 `ui-primitives` 块、一个 `contract/*-card-model.ts` 推导、以及同样的三个渲染点到达浏览器。
+- [工具调用呈现的标签化 render-intent 联合](../architecture/2026-07-02-tool-render-intent-union.md) —— 两张卡片都消费的 `card` 标签词汇。
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-tool-row-unified-expand-and-inspect.i18n.yaml b/.agents/notes/implemented/feature/2026-07-30-web-tool-row-unified-expand-and-inspect.i18n.yaml
new file mode 100644
index 0000000000..455c89ebcd
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-tool-row-unified-expand-and-inspect.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-30-web-tool-row-unified-expand-and-inspect.md
+2026-07-30-web-tool-row-unified-expand-and-inspect.md: ba2f4ead8023772fad578ca0b647241ecc332905
+2026-07-30-web-tool-row-unified-expand-and-inspect.zh.md: ac4835c7429a3ff7d3042f73d26d267911533132
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-tool-row-unified-expand-and-inspect.md b/.agents/notes/implemented/feature/2026-07-30-web-tool-row-unified-expand-and-inspect.md
new file mode 100644
index 0000000000..ba2f4ead80
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-tool-row-unified-expand-and-inspect.md
@@ -0,0 +1,34 @@
+# Agent Note: Web tool-row unified expand and trajectory Inspect
+
+Status: implemented
+
+English | [中文](2026-07-30-web-tool-row-unified-expand-and-inspect.zh.md)
+
+## Problem
+
+The chat view's tool rows had drifted into per-surface interaction dialects: ToolRow expanded through a leading-icon toggle and only for calls with an args body, the bash sample had its own expand affordance, todo/ask-question rows expanded raw args only, single-file tools were not expandable at all, and a call's OUTPUT was reachable only through the details panel. A failing bash command (exit≠0 settles `isError:false`) showed no collapsed-row failure signal. There was also no path from a chat row to its trajectory record, and switching chat → trajectory → chat lost the reader's scroll position because the tab ring unmounts inactive views.
+
+## Decision
+
+**Every expandable tool row shares one interaction — the whole row toggles (click / Enter / Space) with an icon→chevron hover preview — and one expanded body: an IN/OUT gutter-labeled card with per-section scroll caps; a hover-revealed Inspect pill jumps to the call's trajectory record through a one-shot store handoff; the chat view preserves its scroll offset across view switches through an in-memory per-session map.**
+
+- `toolRowModel` now derives result material alongside args: `output` (the `resultText` flatten, moved from DetailsPanel into the contract), and `errorSummary` (the failure's first line, shown as the collapsed summary in the error color). A row with body, output, or terminal material is expandable; the row itself is the toggle (`role="button"`, `aria-expanded`), and file-path summaries stay independent links via `stopPropagation`.
+- The expanded card (figma 1249:35657) is a column of IN/OUT sections: each section is its own scrollport (max-height 150px) with a sticky gutter label, and the l2 divider spans the full card width. Think prose and the run_code CodeBlock keep their non-card bodies; context injection reuses the row with a label-less `plainBody` card.
+- `terminalFailed` reads a settled terminal card's exit status so BashRow and GenericToolCard surface a failing command as the row's red state dot — the only failure signal the collapsed row has, since the call itself settles `isError:false`.
+- TerminalBlock's banner joins the same reading model: it shares the card surface (no banner token), an l2 hairline separates it from the body, the command column caps at 150px and scrolls with sticky copy/status controls top-aligned to the first prompt row.
+- Inspect: `ToolRowOwnerProps.inspect` (absent for rows without a call identity) renders a pill in real flow under the expanded body's bottom-left, revealed by hovering anywhere on the tool call. Clicking writes `{ callId }` to the chat store's one-shot `inspect` field and switches to the trajectory view; TrajectoryTable finds the record, opens its summary, and acknowledges by clearing the field.
+- Scroll preservation: the chat view saves its offset on every scroll (null when pinned to bottom) into an apply-scope `Map<SessionId, number>` exposed as `chatScroll` on the injected props; the open-jump branch restores it on remount. Deliberately not persisted — a fresh page load keeps the open-jump-to-bottom default.
+
+## Alternatives considered
+
+**Keeping the leading-icon toggle and per-registrant expand affordances.** Rejected: three surfaces had already diverged; the registrant posture (bash sample replicates CSS locally) makes drift permanent unless the interaction contract itself is uniform and small — whole-row toggle plus hover preview.
+
+**Routing Inspect through a URL or a trajectory-view prop.** Rejected: the view ring renders through the slot registry, so the two views share no parent that could carry a prop; the chat store already crosses that boundary and the one-shot field keeps the handoff replay-safe (persisted snapshots from before the field rehydrate with `?? null`).
+
+**Persisting the chat scroll offset.** Rejected: restoring a days-old offset into a conversation that has since grown reads as a bug; the in-memory map scopes the memory to exactly the view-switch case that loses it.
+
+**A per-row expanded OUTPUT fetched from the details panel's material.** Unnecessary: the settled result node already rides the snapshot's frozen call slice, so the contract-level `resultText` flatten serves both the row and the panel from one derivation.
+
+## Consequences
+
+Any registered toolview gets input AND output inspection in place, with the details panel and trajectory remaining the deep-dive surfaces. The unified interaction is contract-visible (`ToolRowProps.output/errorSummary/inspect`), so third-party rows opt in by passing model fields through. The bash sample intentionally re-replicates the new CSS (registrant posture), so future interaction changes still touch it by hand. `--dsw-font-markdown-code-block-small` (12/18) is a hand-added token pending a design-platform export. The web-cordis `distIndex` fix (plain concatenation, not URL.pathname) unblocks preview boots from a cwd with spaces.
diff --git a/.agents/notes/implemented/feature/2026-07-30-web-tool-row-unified-expand-and-inspect.zh.md b/.agents/notes/implemented/feature/2026-07-30-web-tool-row-unified-expand-and-inspect.zh.md
new file mode 100644
index 0000000000..ac4835c742
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-30-web-tool-row-unified-expand-and-inspect.zh.md
@@ -0,0 +1,34 @@
+# Agent Note：Web 工具行统一展开交互与 trajectory Inspect
+
+状态：已实现
+
+[English](2026-07-30-web-tool-row-unified-expand-and-inspect.md) | 中文
+
+## 问题
+
+聊天视图的工具行交互已经分裂成多种方言：ToolRow 通过前导图标切换展开、且仅限有 args body 的调用，bash 示例有自己的一套展开方式，todo / ask-question 行只能展开原始 args，单文件工具完全不可展开，而调用的 OUTPUT 只能通过右侧详情面板查看。失败的 bash 命令（exit≠0 但结算为 `isError:false`）在折叠行上没有任何失败信号。此外聊天行没有跳转到 trajectory 记录的入口，且 chat → trajectory → chat 切换会丢失阅读位置（标签环会卸载非活跃视图）。
+
+## 决定
+
+**所有可展开工具行共享同一交互——整行即开关（点击 / Enter / 空格），图标 hover 时渐变为 chevron 预览——以及同一展开体：带 IN/OUT 侧栏标签的卡片，各分区独立滚动上限；hover 显示的 Inspect 胶囊通过 store 的一次性交接跳到该调用的 trajectory 记录；聊天视图用内存态的按会话 Map 在视图切换间保留滚动位置。**
+
+- `toolRowModel` 在 args 之外同时派生结果材料：`output`（`resultText` 拍平逻辑从 DetailsPanel 移入 contract）和 `errorSummary`（失败首行，以错误色作为折叠摘要）。有 body、output 或 terminal 材料的行即可展开；行本身是开关（`role="button"`、`aria-expanded`），文件路径摘要通过 `stopPropagation` 保持独立链接。
+- 展开卡片（figma 1249:35657）是 IN/OUT 分区列：每个分区是独立滚动区（max-height 150px），侧栏标签 sticky 固定，l2 分割线横贯整卡宽度。Think 的推理文本和 run_code 的 CodeBlock 保持非卡片体；上下文注入复用此行并以无标签的 `plainBody` 卡片展开。
+- `terminalFailed` 读取已结算 terminal 卡片的退出状态，让 BashRow 和 GenericToolCard 把失败命令显示为行的红色状态点——这是折叠行唯一的失败信号，因为调用本身结算为 `isError:false`。
+- TerminalBlock 的横幅并入同一阅读模型：与卡片共用同一表面（不再用 banner token），与正文之间是 l2 细线，命令列上限 150px 内部滚动，复制/状态控件 sticky 且顶对齐第一行提示符。
+- Inspect：`ToolRowOwnerProps.inspect`（无调用身份的行不提供）在展开体左下角以真实布局位置渲染胶囊，hover 整个 tool call 任意位置显示。点击将 `{ callId }` 写入 chat store 的一次性 `inspect` 字段并切换到 trajectory 视图；TrajectoryTable 找到记录、打开其摘要，并通过清空字段确认。
+- 滚动保留：聊天视图在每次滚动时保存偏移（贴底时为 null）到 apply 作用域的 `Map<SessionId, number>`，经注入 props 的 `chatScroll` 暴露；重挂载时 open-jump 分支恢复它。刻意不持久化——新页面加载保持打开即贴底的默认行为。
+
+## 曾考虑的替代方案
+
+**保留前导图标开关和各注册方自有的展开方式。** 否决：三个表面已经分化；注册方姿态（bash 示例本地复刻 CSS）意味着除非交互契约本身统一且足够小——整行开关加 hover 预览——否则漂移会永久存在。
+
+**通过 URL 或 trajectory 视图 prop 传递 Inspect。** 否决：视图环经由 slot 注册表渲染，两个视图没有可携带 prop 的共同父级；chat store 本就跨越该边界，一次性字段让交接可安全重放（字段出现之前的持久化快照以 `?? null` 复水）。
+
+**持久化聊天滚动偏移。** 否决：把几天前的偏移恢复到已经增长的会话里读起来像 bug；内存 Map 把记忆精确限定在会丢位置的视图切换场景。
+
+**从详情面板的材料为每行单独取展开 OUTPUT。** 不必要：已结算结果节点本就在快照的冻结调用切片上，contract 层的 `resultText` 拍平让行和面板共用一份派生。
+
+## 后果
+
+任何已注册 toolview 都能就地查看输入与输出，详情面板和 trajectory 仍是深查表面。统一交互契约可见（`ToolRowProps.output/errorSummary/inspect`），第三方行透传模型字段即可接入。bash 示例有意重新复刻新 CSS（注册方姿态），未来交互变更仍需手动同步它。`--dsw-font-markdown-code-block-small`（12/18）是手工补充的 token，待设计平台导出后替换。web-cordis 的 `distIndex` 修复（纯拼接而非 URL.pathname）解除了含空格 cwd 下预览无法启动的问题。
diff --git a/.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.i18n.yaml b/.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.i18n.yaml
new file mode 100644
index 0000000000..d1fb6cb6c7
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.md
+2026-07-31-browser-derived-initial-locale.md: 0c49a6bbfec0ab33a5aa3ce53dde0cac747f3816
+2026-07-31-browser-derived-initial-locale.zh.md: c013d24dcd3bb49d176eaddd42ff41dde320ff1f
diff --git a/.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.md b/.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.md
new file mode 100644
index 0000000000..0c49a6bbfe
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.md
@@ -0,0 +1,36 @@
+# Agent Note: The Settings language a fresh browser opens in comes from the browser
+
+Status: implemented
+
+English | [中文](2026-07-31-browser-derived-initial-locale.zh.md)
+
+## Problem
+
+The Settings Language row opened every first visit in Chinese: `LocaleService` read `dsh.locale` from localStorage and fell straight back to `zh` when nothing was stored. The browser already states which languages its user reads — `navigator.languages` is that statement — and the app ignored it, so an English reader met a Chinese product and had to find a Chinese-labelled settings row to escape it. The fallback was doing two jobs at once: the last resort for an unresolvable locale, and the answer for every user who had simply never chosen.
+
+## Decision
+
+**The initial locale resolves through three ordered sources: the persisted preference, then the browser, then `FALLBACK_LOCALE`.** `resolveInitialLocale()` in `packages/client/locale/src/client/index.ts` runs at service construction and is the only place the order is expressed; `restorePreference()` now returns `LocaleId | undefined` (an absent, unparseable, or unreachable store reads as *no preference*) so the next source can speak.
+
+**Browser matching is on the primary subtag, over the ordered list.** `detectBrowserLocale()` walks `[...(navigator.languages ?? []), navigator.language]` and returns the first entry whose primary subtag names a shipped locale, so `zh-Hans-CN` and `zh-TW` both land on `zh` and `en-GB` on `en`, while a browser asking only for languages this app does not ship (`fr`, `de`) yields nothing and leaves `FALLBACK_LOCALE` in charge. `navigator.language` trails the list and covers its absence on hosts that ship a Navigator without `languages` — the DOM lib types it as always present, so that tolerance carries a narrow lint exception, the same environment-boundary distrust the `localStorage` guards already express.
+
+**`window`, not `navigator`, is the browser test.** Node ≥ 21 exposes a global `navigator` reporting the machine's own language (`en-US` on the CI runners), so gating on `navigator` would have let a node boot of the client tree resolve to `en` instead of the documented fallback. Gating on `window` keeps every non-browser run on `FALLBACK_LOCALE`.
+
+**An explicit choice is permanent.** `setLocale` persistence is untouched, and the persisted value is consulted first, so a user who picked a language keeps it even when travelling between browser profiles or system languages. Nothing writes the detected locale back to storage: detection is re-derived every boot and stays invisible to the "has the user chosen?" question.
+
+**The browser e2e lane now pins the browser language, not just storage.** Scenarios asserting Chinese copy (`access-confirmation`, `models-settings`, `onboarding-deepseek-config`, `settings-chrome`) open their page with `locale: ZH_BROWSER_LOCALE` from `apps/web/tests/support.ts`; `newEnglishPage` keeps pinning `dsh.locale=en`, which still wins over any browser language. `settings-chrome.e2e.ts` gained a scenario opening a second `en-US` page with empty storage and asserting the settings surface comes up English — the assembled-app proof of this feature.
+
+## Alternatives considered
+
+- **`Intl.DateTimeFormat().resolvedOptions().locale` or a single `navigator.language` read**: both collapse the user's ordered preference list to one tag, so a `['de', 'en', 'zh']` reader gets zh instead of en. The list is the part of the browser statement worth reading.
+- **Persisting the detected locale on first boot**: it would make detection a one-time event and let a stale first visit outlive a changed browser language, and it destroys the distinction the resolution order rests on — a stored value would no longer mean "the user chose this".
+- **Full BCP 47 negotiation (`Intl.LocaleMatcher`-style lookup, region and script weighting)**: with exactly two shipped locales that differ in language, primary-subtag matching is the whole of the correct answer; a negotiation layer would be untestable surface with no behavior to justify it.
+- **A cordis config key for the default locale**: the deployment does not vary here — the fallback is the product's answer for "no signal at all", not a knob. Repo policy reserves `Config` fields for deployment-varying choices with a current consumer.
+- **Keeping the e2e lane's zh scenarios on storage pinning (`dsh.locale=zh`)**: it would keep the suite green while removing the only place the browser-derived path runs in an assembled app; pinning the browser language instead exercises the new resolution end to end.
+
+## Consequences
+
+- A first visit from an English browser lands in English, and the Language row still shows the same two self-described options, so the escape hatch is unchanged in either direction.
+- `FALLBACK_LOCALE` narrows to its real job — the dictionary fallback and the no-signal answer — and stops standing in for "the user has not chosen".
+- Tests that construct a `LocaleService` under jsdom now depend on the environment's `navigator`: specs asserting localized copy declare their browser with one suite-level `usePinnedBrowserLanguages('zh-CN')` (dsh-client-test-runtime), and any future spec asserting a default must do the same. This package's own specs stub the globals directly, because they need shapes the helper deliberately cannot express (absent `languages`, a list decoupled from `language`, no `window` at all).
+- Detection cost is one array walk per service construction, and no storage write, so boot behavior and the persisted-state surface are unchanged.
diff --git a/.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.zh.md b/.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.zh.md
new file mode 100644
index 0000000000..c013d24dcd
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-browser-derived-initial-locale.zh.md
@@ -0,0 +1,36 @@
+# Agent Note: 全新浏览器打开的设置语言由浏览器决定
+
+Status: implemented
+
+[English](2026-07-31-browser-derived-initial-locale.md) | 中文
+
+## Problem
+
+设置里的语言行在每一次首访时都以中文开场：`LocaleService` 从 localStorage 读取 `dsh.locale`，读不到就直接回落到 `zh`。浏览器本已声明其使用者阅读哪些语言——`navigator.languages` 就是这份声明——而应用对此视而不见，于是英文读者迎面撞上一个中文产品，还得先找到一行中文标签的设置项才能脱身。回落值当时同时承担两份职责：既是无法解析出 locale 时的最后兜底，也是所有从未做过选择的用户拿到的答案。
+
+## Decision
+
+**初始 locale 依次经三个来源解析：已持久化的偏好、浏览器、`FALLBACK_LOCALE`。** `packages/client/locale/src/client/index.ts` 中的 `resolveInitialLocale()` 在服务构造时运行，是这一顺序的唯一表达处；`restorePreference()` 现在返回 `LocaleId | undefined`（存储项缺失、无法解析或不可访问，一律读作*没有偏好*），后一个来源才有开口的机会。
+
+**浏览器匹配按主子标签进行，且遍历有序列表。** `detectBrowserLocale()` 遍历 `[...(navigator.languages ?? []), navigator.language]`，返回主子标签命中已提供 locale 的首个条目，因此 `zh-Hans-CN` 与 `zh-TW` 同归 `zh`、`en-GB` 归 `en`；而只请求本应用不提供的语言（`fr`、`de`）的浏览器则什么都匹配不到，交由 `FALLBACK_LOCALE` 接管。`navigator.language` 排在列表之后，并兜住那些 Navigator 上没有 `languages` 的宿主——DOM 库把它标注为必然存在，所以这份容忍带一条窄口径 lint 例外，与 `localStorage` 守卫表达的环境边界不信任同源。
+
+**判定浏览器用的是 `window` 而非 `navigator`。** Node ≥ 21 暴露全局 `navigator` 并报告机器自身语言（CI runner 上是 `en-US`），因此以 `navigator` 把关会让 node 启动客户端树时解析成 `en`，而非文档约定的回落值。以 `window` 把关可使所有非浏览器运行都停留在 `FALLBACK_LOCALE`。
+
+**显式选择是永久的。** `setLocale` 的持久化未作改动，且持久化值最先被查询，因此选过语言的用户即便在不同浏览器配置或系统语言之间辗转也保留原选择。没有任何代码把探测到的 locale 写回存储：探测在每次启动时重新推导，对"用户是否做过选择"这一问题始终不可见。
+
+**浏览器 e2e 车道现在钉住浏览器语言，而不只是存储项。** 断言中文文案的场景（`access-confirmation`、`models-settings`、`onboarding-deepseek-config`、`settings-chrome`）以 `apps/web/tests/support.ts` 的 `locale: ZH_BROWSER_LOCALE` 打开页面；`newEnglishPage` 仍然钉 `dsh.locale=en`，它依旧压过任何浏览器语言。`settings-chrome.e2e.ts` 新增一个场景：另开一个存储项为空的 `en-US` 页面，断言设置界面以英文呈现——这是本功能在组装后应用中的证据。
+
+## Alternatives considered
+
+- **`Intl.DateTimeFormat().resolvedOptions().locale` 或单读 `navigator.language`**：两者都把用户的有序偏好列表塌缩成一个标签，于是 `['de', 'en', 'zh']` 的读者拿到的是 zh 而非 en。列表恰恰是浏览器这份声明里最值得读的部分。
+- **首次启动即持久化探测结果**：那会把探测变成一次性事件，让一次陈旧的首访凌驾于此后改变的浏览器语言之上，也摧毁了整个解析顺序所依赖的区分——存储值将不再意味着"用户选了它"。
+- **完整的 BCP 47 协商（`Intl.LocaleMatcher` 式查找、地区与文字权重）**：在只提供两个语言互异的 locale 时，主子标签匹配就是正确答案的全部；协商层只会带来无行为支撑、也无从测试的表面积。
+- **为默认 locale 增加一个 cordis config key**：此处部署之间并无差异——回落值是产品对"完全没有信号"给出的答案，不是旋钮。仓库策略把 `Config` 字段留给有当前消费者、且随部署变化的选择。
+- **让 e2e 车道的中文场景继续钉存储项（`dsh.locale=zh`）**：那会让套件保持绿色，却抹掉浏览器推导路径在组装后应用中唯一的运行处；改钉浏览器语言才能端到端地演练新的解析过程。
+
+## Consequences
+
+- 来自英文浏览器的首访落在英文界面，而语言行依然呈现同样两个以自身语言自述的选项，两个方向的脱身通道都未改变。
+- `FALLBACK_LOCALE` 收窄回它真正的职责——字典回落与无信号时的答案——不再兼职充当"用户尚未选择"。
+- 在 jsdom 下构造 `LocaleService` 的测试现在依赖环境的 `navigator`：断言本地化文案的用例以一行套件级 `usePinnedBrowserLanguages('zh-CN')`（dsh-client-test-runtime）声明其浏览器，今后任何断言默认值的用例同样如此。本包自己的用例直接给全局打桩，因为它们需要该 helper 刻意不表达的形状（`languages` 缺失、列表与 `language` 解耦、完全没有 `window`）。
+- 探测的代价是每次服务构造遍历一次数组，且不写存储，因此启动行为与持久化状态面均无变化。
diff --git a/.agents/notes/implemented/feature/2026-07-31-even-out-shipped-tool-rosters.i18n.yaml b/.agents/notes/implemented/feature/2026-07-31-even-out-shipped-tool-rosters.i18n.yaml
new file mode 100644
index 0000000000..83e965b391
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-even-out-shipped-tool-rosters.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-31-even-out-shipped-tool-rosters.md
+2026-07-31-even-out-shipped-tool-rosters.md: 316e5045e559e2da162c53d64989ccecfd18b857
+2026-07-31-even-out-shipped-tool-rosters.zh.md: ed39212dc4877f4df1dc1c6e84142b61a866c548
diff --git a/.agents/notes/implemented/feature/2026-07-31-even-out-shipped-tool-rosters.md b/.agents/notes/implemented/feature/2026-07-31-even-out-shipped-tool-rosters.md
new file mode 100644
index 0000000000..316e5045e5
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-even-out-shipped-tool-rosters.md
@@ -0,0 +1,69 @@
+# Agent Note: Even out the shipped tool rosters
+
+Status: implemented
+
+English | [中文](2026-07-31-even-out-shipped-tool-rosters.zh.md)
+
+## Problem
+
+The two shipped `dsh` surfaces offered different tools for no recorded reason. Session checkpoints, tool-result pruning, the goal tools, and Ralph were in `tui.cordis.yml`; `tool-todo` and, later, web search were in `web.cordis.yml`. Neither surface offered session search, a string-replacement editor, or a repeat-tool guard, though all three exist as packages and none is surface-specific.
+
+The result was a user-visible difference nobody had decided: the same model, asked the same thing, could set a goal on the terminal but not in the browser, and could search the web in the browser but not on the terminal.
+
+## Decision
+
+The rows that are not surface-specific move into [`base.cordis.yml`](../../../../apps/cli/config/base.cordis.yml), and three more join them: `tool-session-query`, `tool-str-replace-editor`, and `repeat-tool-guard`. Web search moves there too; its [deployment decision](2026-07-31-web-default-search.md) owns the security boundary while the shared base owns its surface-neutral mount. Both surfaces now assemble the same roster: twenty-five tools on every host, plus `glob` and `grep` when ripgrep is available.
+
+Two rows stay surface-specific. `tmux-context` is TUI-only because a browser surface has no terminal multiplexer to describe. `session-reference` is TUI-only because it drives the shared session-query index from the launcher's process-local path, and the browser sidebar reconciles that index on its own first search.
+
+**This change adds only.** No row is removed from either surface and no existing row's configuration is edited: the executors, the sandbox composition, the access defaults, `tools.mode`, and the workflow tool are exactly what they were. A reader comparing the two catalogs before and after should find additions and nothing else.
+
+### What stays unmounted, and why
+
+Three capabilities stay out on the evidence their own packages record, and are listed here so "we forgot" and "we decided against" stay distinguishable.
+
+**`dsh-tool-cordis`** lets the model write JavaScript and mount it as a temporary plugin. Its README states the limit: "The sandbox is containment for honest code, not a security boundary — host-realm helpers on the sandbox global are reachable, so mount code can reach Node" ([Known limitations](../../../../packages/cordis/tool-cordis/README.md)). The `node:vm` realm lives inside the harness process while `dsh-sandbox-local` confines only the argv it spawns, so on the Web surface both the sandbox and the approval seam are bypassed rather than enforced.
+
+**`dsh-web-fetch-local`** stays unmounted and `dsh-tool-web` keeps `fetch: false`. SSRF protection is deferred in the implementation ([`policy.ts`](../../../../packages/web/web-fetch-local/src/policy.ts) validates protocol, credentials, and length only) and the package says so: "this provider is an SSRF primitive and **must not be enabled** in a deployment that can reach sensitive internal network targets" ([README](../../../../packages/web/web-fetch-local/README.md)). The model chooses the target, which includes the harness's own gateway on loopback, private ranges, and cloud metadata endpoints.
+
+Withholding it narrows the surface without removing the reach: `bash` is mounted, so `curl` gets the same page, as a live run confirmed. What the absence buys is the removal of an argument-shaped request primitive that needs no shell — and with it the accidental path where a summarization request quietly reaches loopback. A deployment that must contain outbound traffic needs a network-level control.
+
+**The LSP trio** stays out for an operational reason rather than a security one: `command` resolves from `PATH` at plugin load, so a missing language server fails the whole boot rather than one tool. It becomes mountable once absence degrades to a skipped registration.
+
+### MCP is a dependency, not a row
+
+`@deepseek-ai/dsh-mcp-client` becomes a runtime dependency of the CLI without a row in any shipped config. The plugin mounts exactly one server per instance and `command` is required, so a default would have to name a third-party server and spawn it as a child process on every launch — outside `ctx.bash`, and therefore outside the sandbox policy the Web surface composes.
+
+The layer that would make MCP a default is the one this repository does not have yet: a bridge that reads a user's server list and mounts one client per entry, the same shape [`dsh-hooks-claude`](../../../../packages/hooks/hooks-claude/README.md) already has for a Claude Code `hooks.json`. Shipping the dependency means an installed `dsh` can mount servers from `$DSH_HOME/config.yaml` today; the CLI README carries the YAML.
+
+## Testing
+
+[`apps/cli/tests/shipped-composition.e2e.ts`](../../../../apps/cli/tests/shipped-composition.e2e.ts) boots the shipped tree through the real Loader in a pseudo-terminal and reads the tool names out of the `request/header` the session log persisted, so the assertion is the catalog the model was actually sent. Its `--config` overlay, [`composition-keyless-tail.cordis.yml`](../../../../apps/cli/tests/fixtures/composition-keyless-tail.cordis.yml), is test isolation only: a network-free adapter and workspace-local session artifacts.
+
+That tail also inserts [`composition-settled.ts`](../../../../apps/cli/tests/fixtures/composition-settled.ts), which announces settled Loader activation on the terminal stream. The TUI renders as soon as its own fiber starts, so a prompt typed at the banner can reach the loop while tool rows and persistence are still activating and assemble a partial catalog; gating the smoke's first prompt on that marker is what makes the assertion deterministic.
+
+The same smoke pins the TUI's unchanged execution posture from the same artifact: `tool-bash` emits its `sandbox_permissions` escalation pair only when the mounted executor has wider modes to escalate to, so asserting its **absence** fails if a later change quietly sandboxes this surface.
+
+[`apps/web/tests/shipped-composition.e2e.ts`](../../../../apps/web/tests/shipped-composition.e2e.ts) covers the Web surface in the built lane, asserting its catalog, that its access default is untouched, and that `workspace-write`'s writable roots include the temp directories — a trap that makes sandbox tests lie when the workspace sits under `/tmp` ([`roots.ts`](../../../../packages/sandbox/sandbox/src/roots.ts)).
+
+`glob` and `grep` are asserted as an all-or-nothing pair rather than fixed members: `dsh-tool-fs-search` probes `command -v rg` at load and registers neither tool without ripgrep, which is a host dependency.
+
+Beyond the committed tests, both surfaces were driven against a real key from the built `apps/cli/lib/bin.js` under plain Node. Every mounted tool executed successfully, including `ralph` and `web_search`; the model never reached `cordis_*` or `mcp_*`, fell back to `grep` when asked for LSP navigation, and used a background `bash` task when asked for a persistent terminal.
+
+## Alternatives considered
+
+**Duplicate the shared rows into both overlays instead of promoting them.** Rejected on the one-home rule: three of the new rows would exist twice with no reason for the copies to diverge, and the next roster change would have to remember both.
+
+**Sandbox the TUI in the same change.** Rejected as a separate decision that does not belong in a roster change: the TUI mounts unrestricted executors, and replacing them alters what an existing surface does rather than what it offers. That decision needs its own evidence — not least because the TUI has no `approval/request` answerer, so an escalation there fails closed instead of prompting.
+
+**Enable Code Mode.** Its trust posture is bash-equivalent by design and its tool calls pass the same `tools/pre-execute` gate as bash, so it is not the same call as the model-code tools above. Rejected here anyway: `both` changes every model-visible request on both surfaces, and `code` replaces the wire rather than adding to it — either is a presentation decision, not a roster one.
+
+**Mount an MCP server by default.** Rejected because a shipped default would have to name one, and any choice spawns a third-party child process on every user's machine outside the sandbox. The dependency ships instead.
+
+## Consequences
+
+The same model gets the same tools on both surfaces, and the difference that existed for no recorded reason is gone. The tests assert the twenty-five unconditional names exactly and require the ripgrep-dependent pair to be either present together or absent together on both sides, so a later change that alters only one surface fails a check instead of shipping quietly.
+
+`apps/cli` gains five workspace dependencies: four the shipped tree now mounts, plus `dsh-mcp-client`, which it does not mount and which exists so an installed `dsh` can.
+
+Nothing about execution changed. The TUI still runs the model's commands through unrestricted executors with no approval seam, and the Web surface still defaults to `danger-full-access`. Both are pinned by assertions in this change, which makes them visible rather than fixed — the sandbox decision is still open.
diff --git a/.agents/notes/implemented/feature/2026-07-31-even-out-shipped-tool-rosters.zh.md b/.agents/notes/implemented/feature/2026-07-31-even-out-shipped-tool-rosters.zh.md
new file mode 100644
index 0000000000..ed39212dc4
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-even-out-shipped-tool-rosters.zh.md
@@ -0,0 +1,69 @@
+# Agent Note: 拉平交付的工具清单
+
+Status: implemented
+
+[English](2026-07-31-even-out-shipped-tool-rosters.md) | 中文
+
+## 问题
+
+两个交付的 `dsh` surface 提供着不同的工具,而没有任何记录说明为什么。会话检查点、工具结果裁剪、goal 工具和 Ralph 在 `tui.cordis.yml`;`tool-todo` 以及后来的 web 搜索在 `web.cordis.yml`。两个 surface 都没有会话搜索、字符串替换编辑器和重复工具守卫,尽管这三者都已成包存在,且没有一个是 surface 专属的。
+
+结果是一处没人做过决定的用户可见差异:同一个模型、同一个请求,在终端上能定目标而在浏览器里不能,在浏览器里能搜网页而在终端上不能。
+
+## 决策
+
+那些并非 surface 专属的行移入 [`base.cordis.yml`](../../../../apps/cli/config/base.cordis.yml),另有三行加入:`tool-session-query`、`tool-str-replace-editor` 和 `repeat-tool-guard`。Web 搜索也一并移入；其[部署决策](2026-07-31-web-default-search.md)负责安全边界，共享 base 则负责与 surface 无关的挂载。两个 surface 现在组装同一份清单：每台宿主上都有二十五个工具，ripgrep 可用时再加上 `glob` 和 `grep`。
+
+有两行仍是 surface 专属。`tmux-context` 只在 TUI,因为浏览器 surface 没有终端复用器可描述。`session-reference` 只在 TUI,因为它以 launcher 的进程本地路径驱动共享的 session-query 索引,而浏览器侧边栏会在自己的首次搜索里重建该索引。
+
+**本次改动只做加法。** 两个 surface 都没有任何一行被移除,也没有任何既有行的配置被编辑:执行器、沙箱组合、访问默认值、`tools.mode` 以及 workflow 工具,全都保持原样。对比改动前后的两份目录,读者应当只看到新增,别无其他。
+
+### 什么保持不挂,以及为什么
+
+有三项能力基于其自身包所记录的证据保持在外,列在这里是为了让「我们忘了」和「我们决定不要」保持可区分。
+
+**`dsh-tool-cordis`** 让模型写一段 JavaScript 并挂成临时插件。它的 README 写明了这个界限:「The sandbox is containment for honest code, not a security boundary — host-realm helpers on the sandbox global are reachable, so mount code can reach Node」([Known limitations](../../../../packages/cordis/tool-cordis/README.md))。`node:vm` 的 realm 就在 harness 进程内,而 `dsh-sandbox-local` 只约束它 spawn 出去的 argv,因此在 Web surface 上,沙箱与批准接缝是被绕过而非被执行。
+
+**`dsh-web-fetch-local`** 保持不挂,`dsh-tool-web` 保持 `fetch: false`。SSRF 防护在实现中是 deferred 状态([`policy.ts`](../../../../packages/web/web-fetch-local/src/policy.ts) 只校验协议、凭据与长度),包里也直说了:「this provider is an SSRF primitive and **must not be enabled** in a deployment that can reach sensitive internal network targets」([README](../../../../packages/web/web-fetch-local/README.md))。目标由模型选择,其中包括 harness 自己跑在环回地址上的网关、内网段和云元数据端点。
+
+弃用它收窄的是接触面而非可达性:`bash` 是挂着的,`curl` 照样能拿到同一个页面——一次真实运行确认了这点。这个缺席买到的是去掉一个无需 shell、以参数成形的请求原语,以及随之而来的那条意外路径:一次「帮我总结这个页面」悄悄打到环回地址。真要收住出站流量的部署需要的是网络层管控。
+
+**LSP 三件套**留在外面是运维原因而非安全原因:`command` 在插件加载时从 `PATH` 解析,因此缺少语言服务器会让整次启动失败,而不只是失去一个工具。等到「缺失」退化为「跳过注册」之后,它就可以挂了。
+
+### MCP 是依赖,不是配置行
+
+`@deepseek-ai/dsh-mcp-client` 成为本 CLI 的运行时依赖,但在任何交付配置里都没有对应的行。该插件每个实例只挂载一台服务器,且 `command` 是必填,因此一个默认值必须点名一台第三方服务器,并在每次启动时把它作为子进程 spawn——不经 `ctx.bash`,因而也在 Web surface 所组合的沙箱策略之外。
+
+真正能让 MCP 成为默认的那一层,恰恰是本仓库尚未拥有的:一个读取用户服务器清单、按条目逐台挂载客户端的桥接,形态与 [`dsh-hooks-claude`](../../../../packages/hooks/hooks-claude/README.md) 读取 Claude Code 的 `hooks.json` 完全相同。交付这个依赖意味着已安装的 `dsh` 今天就能从 `$DSH_HOME/config.yaml` 挂载服务器;CLI README 里给了那段 YAML。
+
+## 测试
+
+[`apps/cli/tests/shipped-composition.e2e.ts`](../../../../apps/cli/tests/shipped-composition.e2e.ts) 在伪终端中通过真实 Loader 启动交付树,并从会话日志持久化的 `request/header` 中读出工具名,因此断言的正是模型实际收到的目录。它传入的 `--config` overlay [`composition-keyless-tail.cordis.yml`](../../../../apps/cli/tests/fixtures/composition-keyless-tail.cordis.yml) 只做测试隔离:一个无网络适配器,以及落在工作区内的会话产物。
+
+该尾部还插入了 [`composition-settled.ts`](../../../../apps/cli/tests/fixtures/composition-settled.ts),它在终端字节流上宣告 Loader 激活已 settle。TUI 在自己的 fiber 一启动就渲染,因此在 banner 处敲下的提示词可能在工具行与持久化仍在激活时就抵达循环,从而组装出不完整的目录;把冒烟的首个提示词 gate 在该标记上,正是断言得以确定的原因。
+
+同一份冒烟还从同一份产物上钉住 TUI 未改变的执行姿态:`tool-bash` 只在挂载的执行器确实有更宽模式可升级时才发出 `sandbox_permissions` 升级参数对,因此断言它的**缺席**会在日后有人悄悄给这个 surface 加上沙箱时失败。
+
+[`apps/web/tests/shipped-composition.e2e.ts`](../../../../apps/web/tests/shipped-composition.e2e.ts) 在构建产物 lane 中覆盖 Web surface,断言它的工具目录、它的访问默认值未被触碰,以及 `workspace-write` 的可写根包含临时目录——一个会让沙箱测试说谎的陷阱,当工作区落在 `/tmp` 下时([`roots.ts`](../../../../packages/sandbox/sandbox/src/roots.ts))。
+
+`glob` 与 `grep` 被作为全有或全无的一对断言,而不是固定成员:`dsh-tool-fs-search` 在加载时探测 `command -v rg`,没有 ripgrep 就两个工具都不注册,这是宿主依赖。
+
+除入库测试外,两个 surface 都以 plain Node 从构建产物 `apps/cli/lib/bin.js` 出发、用真实密钥驱动过。每一个已挂载的工具都执行成功,包括 `ralph` 与 `web_search`;模型从未触达 `cordis_*` 或 `mcp_*`,被要求做 LSP 跳转时退化到 `grep`,被要求开持久终端时用了后台 `bash` 任务。
+
+## 曾考虑的替代方案
+
+**把共享的行复制进两份 overlay,而不是提升到 base。** 基于「一处归属」原则否决:新增行里有三行会存在两份,而这些副本没有任何理由发生分歧,下一次改工具清单还得记着改两处。
+
+**在同一次改动里给 TUI 加沙箱。** 不予采纳，因为这是一个不属于工具清单改动的独立决定：TUI 挂的是不受限执行器，替换它们会改变一个既有 surface 做什么，而非它提供什么。这个决定需要自己的证据——尤其因为 TUI 没有 `approval/request` 的应答方，升级请求在那里会 fail-closed，而不是弹出提示。
+
+**开启 Code Mode。** 它的信任立场按设计与 bash 同级,工具调用要过与 bash 相同的 `tools/pre-execute` 闸门,所以它与上面那些模型写码工具不是同一个判断。在这里仍被否决:`both` 会改变两个 surface 上每一个模型可见请求,而 `code` 是把线路替换而非加一个——两者都是呈现方式的决定,不是工具清单的决定。
+
+**默认挂一台 MCP 服务器。** 否决,因为交付默认值必须点名一台,而任何选择都会在每个用户的机器上、在沙箱之外 spawn 一个第三方子进程。改为交付依赖。
+
+## 后果
+
+同一个模型在两个 surface 上拿到同样的工具,那处没有记录理由的差异消失了。测试会精确断言二十五个无条件提供的名称，并要求依赖 ripgrep 的一对工具在两侧要么同时存在、要么同时缺席，因此日后只改一个 surface 都会让检查失败而不是悄悄发出去。
+
+`apps/cli` 增加五个 workspace 依赖:四个是交付树现在挂载的,外加 `dsh-mcp-client`——它并不被挂载,存在的意义是让已安装的 `dsh` 能挂。
+
+执行相关的一切都没有变。TUI 仍以不受限执行器运行模型的命令且没有批准接缝,Web surface 仍默认 `danger-full-access`。两者都由本次改动中的断言钉住,这让它们变得可见而非被修复——沙箱那个决定仍然悬着。
diff --git a/.agents/notes/implemented/feature/2026-07-31-gui-full-access-confirmation.i18n.yaml b/.agents/notes/implemented/feature/2026-07-31-gui-full-access-confirmation.i18n.yaml
new file mode 100644
index 0000000000..99ea335b59
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-gui-full-access-confirmation.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-31-gui-full-access-confirmation.md
+2026-07-31-gui-full-access-confirmation.md: ca89ed23fb1b5c6ea438dd22fdf20d2b82af754c
+2026-07-31-gui-full-access-confirmation.zh.md: 0f487e41b544718bdf38de611a1ab2d59c44b063
diff --git a/.agents/notes/implemented/feature/2026-07-31-gui-full-access-confirmation.md b/.agents/notes/implemented/feature/2026-07-31-gui-full-access-confirmation.md
new file mode 100644
index 0000000000..ca89ed23fb
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-gui-full-access-confirmation.md
@@ -0,0 +1,31 @@
+# Agent Note: GUI Full access risk confirmation
+
+Status: implemented
+
+English | [中文](2026-07-31-gui-full-access-confirmation.zh.md)
+
+## Problem
+
+Switching the web client to `danger-full-access` was a single click on a permission picker, with the preset shown as the title-cased machine name `Danger Full Access`. Full access reduces confirmation steps and lets the agent run sensitive operations, modify files, or execute external commands, so an accidental pick armed the most dangerous preset with no deliberate acknowledgement step.
+
+## Decision
+
+**Every permission picker gates `danger-full-access` behind the shared in-page `RiskConfirmation` dialog whose enabling action stays disabled until an explicit acknowledgement checkbox is checked; the preset renders under the product label `Full access`; every dismissal path submits nothing.**
+
+- `RiskConfirmation` (ui-primitives) is a controlled Modal composition: title, description, acknowledgement checkbox, cancel, and a confirm button disabled until `acknowledged`. It stays an in-page dialog — the Modal portals to this document's body and never opens a native or separate browser window that could land on another display. `Modal` gains a `contentClassName` seat so the warning body scrolls inside constrained mobile/landscape viewports while the action row stays fixed.
+- The composer chip (`PermissionSelect`, ui-conversation) intercepts a Full-access pick before the `/permission` submit: `confirmation`/`acknowledged` component state opens the dialog, confirm submits `/permission danger-full-access` through the same injected `command` path as every other pick, and cancel/Escape/close/mask leave the current preset untouched with the checkbox reset. The confirmation revokes itself when the session locks (`locked`/value-absent effect) and resets across task switches (`key={sessionId}` remount). Copy rides the standard `conversation` locale seat as `access.confirm.*` keys.
+- The `/permission` popup (ui-permission over the ui-command shell) gates through data, not a second dialog implementation: `SelectOption` grows an optional `confirmation` payload, the popup controller owns the `confirming`/`acknowledged` state transitions, and `PopupSelectView` swaps the picker card for the same `RiskConfirmation` while a gated option is pending.
+- The General-settings Permission row uses the same controlled `RiskConfirmation` before persisting Full access as the default for later sessions. Its warning names that future-session lifetime; cancel, Escape, close, and mask dismissal leave the stored default untouched.
+- `Full access` intentionally overrides the kebab-to-title display transform in every picker; command and Settings writes keep the machine name on the wire, and each warning body remains locale-aware in Chinese and English.
+
+## Alternatives considered
+
+**A native/OS or separate-window confirmation.** Rejected: the dialog must stay inside the current WebUI window; a second window can appear on another display and detaches the decision from the page state it guards.
+
+**One shared locale namespace for every surface's safety copy.** Rejected: the ui-permission bundle and ui-conversation load independently, while the Settings warning names a different future-session lifetime. Each bundle owns its copy, and ui-permission keeps the popup and Settings dictionaries separate rather than importing across bundle boundaries.
+
+**Gating in the host/permission backend.** Out of scope by design: the change is browser-client confirmation flow only; backend permission semantics, defaults, and the safer presets' one-click behavior are unchanged.
+
+## Consequences
+
+Every visible GUI path into Full access requires a deliberate, informed acknowledgement, at the cost of one extra dialog step for users who genuinely want the preset. New pickers reuse the shared dialog through their owning state machine or attach a `confirmation` payload to the popup path. Acceptance: the composer flow's gated cases in `input-bar.spec.tsx`, the popup gate in `popup-view.spec.tsx` and `popup.spec.ts`, the default-setting gate in `permission-row.spec.tsx`, the Modal/RiskConfirmation contract in `atoms.spec.tsx`, and the assembled Web replays.
diff --git a/.agents/notes/implemented/feature/2026-07-31-gui-full-access-confirmation.zh.md b/.agents/notes/implemented/feature/2026-07-31-gui-full-access-confirmation.zh.md
new file mode 100644
index 0000000000..0f487e41b5
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-gui-full-access-confirmation.zh.md
@@ -0,0 +1,31 @@
+# Agent Note: GUI Full access 风险确认
+
+Status: implemented
+
+[English](2026-07-31-gui-full-access-confirmation.md) | 中文
+
+## Problem
+
+在 Web 客户端的权限选择器中切换到 `danger-full-access` 只需一次点击，且预设以 Title Case 机器名 `Danger Full Access` 展示。Full access 会减少确认步骤，允许智能体执行敏感操作、修改文件或运行外部命令，误点即在毫无刻意确认环节的情况下启用了最危险的预设。
+
+## Decision
+
+**每个权限选择器都把 `danger-full-access` 关进共享的页面内 `RiskConfirmation` 对话框：启用按钮在用户勾选明确的风险确认复选框前保持禁用；预设以产品标签 `Full access` 展示；所有取消路径都不作任何提交。**
+
+- `RiskConfirmation`（ui-primitives）是受控的 Modal 组合：标题、说明、确认复选框、取消，以及 `acknowledged` 勾选前禁用的确认按钮。它始终是页面内对话框——Modal portal 到本文档 body，绝不打开可能落在另一块显示器上的原生或独立浏览器窗口。`Modal` 新增 `contentClassName` 座位，令警示正文在受限的移动端／横屏视口内滚动，动作行保持固定。
+- 编辑器 chip（ui-conversation 的 `PermissionSelect`）在 `/permission` 提交前拦截 Full-access 选择：`confirmation`/`acknowledged` 组件状态打开对话框，确认后经与其他选择完全相同的注入 `command` 通道提交 `/permission danger-full-access`；取消、Escape、关闭与遮罩点击均保持当前预设不变并重置复选框。会话锁定时确认自行撤销（`locked`／值缺席 effect），切换任务时随 `key={sessionId}` 重挂载而重置。文案经标准 `conversation` locale 座位以 `access.confirm.*` 键供给。
+- `/permission` popup（ui-permission 骑在 ui-command 外壳上）以数据而非第二套对话框实现完成把关：`SelectOption` 新增可选的 `confirmation` 载荷，popup 控制器拥有 `confirming`/`acknowledged` 状态迁移，`PopupSelectView` 在门控选项未决期间把选择卡换成同一个 `RiskConfirmation`。
+- 「通用」设置中的「权限」行在把 Full access 持久化为后续会话的默认值前，也使用同一个受控 `RiskConfirmation`。警示会明确说明该设置只影响后续会话；取消、Escape、关闭与点击遮罩均不会改动已存默认值。
+- `Full access` 在每个选择器中都有意覆盖 kebab 转 Title Case 的显示变换；命令与 Settings 写入在 wire 上保留机器名，每份警示正文都保持中英文 locale 感知。
+
+## Alternatives considered
+
+**原生／操作系统或独立窗口确认。** 已拒：对话框必须留在当前 WebUI 窗口内；第二个窗口可能出现在另一块显示器上，使决策脱离其守护的页面状态。
+
+**每个面的安全文案共享一个 locale namespace。** 已拒：ui-permission bundle 与 ui-conversation 可独立加载，而 Settings 警示说明的是另一种只影响后续会话的生效周期。每个 bundle 各自拥有文案，ui-permission 也将 popup 与 Settings 词典分开，而非跨 bundle 边界 import。
+
+**在 host／权限后端把关。** 设计上即出界：本变更只涉浏览器客户端确认流；后端权限语义、默认值与更安全预设的一键行为均不变。
+
+## Consequences
+
+进入 Full access 的每条可见 GUI 路径现在都要求刻意且知情的确认，代价是真想启用该预设的用户多一步对话框。新的选择器通过各自拥有的状态机复用共享对话框，或在 popup 路径挂 `confirmation` 载荷。验收：`input-bar.spec.tsx` 中编辑器流的门控用例、`popup-view.spec.tsx` 与 `popup.spec.ts` 的 popup 门、`permission-row.spec.tsx` 的默认设置门控、`atoms.spec.tsx` 的 Modal/RiskConfirmation 契约，以及组装态 Web 回放。
diff --git a/.agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.i18n.yaml b/.agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.i18n.yaml
new file mode 100644
index 0000000000..d4f7f72fe2
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.md
+2026-07-31-hover-card-click-copy.md: c87734fe328fa2adb396d6685495faa82bc1fff2
+2026-07-31-hover-card-click-copy.zh.md: a57b5238b095de293605d4e309dcc2da3516e904
diff --git a/.agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.md b/.agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.md
new file mode 100644
index 0000000000..c87734fe32
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.md
@@ -0,0 +1,29 @@
+# Agent Note: Hover cards copy their primary value on activation
+
+Status: implemented
+
+English | [中文](2026-07-31-hover-card-click-copy.zh.md)
+
+## Problem
+
+Workspace and Session rows clip the two values their hover cards expose in full: the Workspace directory path and Session title. The [reachable card](../bug-fix/2026-07-30-hover-popup-pointer-grace.md) permits text selection, but selecting and copying a single known value is a needlessly precise gesture, and the card gives no confirmation that the clipboard accepted it.
+
+## Decision
+
+`HoverCard` accepts an optional `copyText` plus `copyLabel` and `copiedLabel`. With `copyText`, the whole card has button semantics for pointer and keyboard activation; its accessible name combines the localized action prefix with the exact value, it writes that value through the shared clipboard helper, and it replaces its content with the success label for up to one second only after the host accepts the write. The feedback retains the pre-copy card height and clears with the card. Without `copyText`, the atom retains its read/select-only behavior.
+
+The Workspace browser chooses the payload rather than making the primitive infer it from rendered text: a Workspace card passes the full directory path, and a non-blank Session card passes the full display title. A provisional blank New Session card remains read-only because its localized label is a placeholder, not session content. The browser's locale seat supplies `Copy`/`复制` and the success state `Copied`/`已复制`.
+
+Press and activation remain separate contracts. A pointer press inside the card keeps it mounted so text selection can begin; a completed non-collapsed selection intersecting the card suppresses pointer-click activation, while a plain click or button key activates copy. Anchor-region presses still dismiss immediately, and clipboard rejection leaves the original content visible without claiming success.
+
+## Alternatives considered
+
+**Copy the card's rendered `textContent`.** That would concatenate the primary value with creation time or running status, making the clipboard payload depend on presentation and localization.
+
+**Implement clipboard state in both Workspace card bodies.** The two consumers would duplicate host fallback, keyboard behavior, timer ownership, and success rendering even though the card owns the activation surface.
+
+**Change the common Chinese `copied` label from `复制成功` to `已复制`.** That would alter every existing copy control to satisfy one card interaction. The Workspace dictionary owns the card-specific wording instead.
+
+## Consequences
+
+Both non-placeholder hover-card variants gain the same click and keyboard affordance while retaining consumer-owned payload semantics and localized feedback. The generic atom adds one optional behavior path and a one-second timer; it clears copied state on close, ignores completion after close or unmount, and never reports a rejected write as success. Focused component coverage pins pointer selection precedence, activation, failure, feedback geometry and expiry, and cleanup, while the real-browser Workspace scenario verifies the English label, stable feedback height, and browser clipboard.
diff --git a/.agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.zh.md b/.agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.zh.md
new file mode 100644
index 0000000000..a57b5238b0
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.zh.md
@@ -0,0 +1,29 @@
+# Agent Note（agent 决策记录）：悬浮卡片激活时复制主要值
+
+Status: implemented
+
+[English](2026-07-31-hover-card-click-copy.md) | 中文
+
+## 问题
+
+Workspace 与 Session 行会截断对应悬浮卡片完整展示的两个值：Workspace 目录路径和 Session 标题。这张[可抵达的卡片](../bug-fix/2026-07-30-hover-popup-pointer-grace.md)支持文本选择，但复制单个已知值仍需精确选择，操作没有必要地繁琐；卡片也不会确认剪贴板是否接受了写入。
+
+## 决策
+
+`HoverCard` 接收可选的 `copyText`，以及 `copyLabel` 和 `copiedLabel`。传入 `copyText` 后，整个卡片都会为指针与键盘激活提供按钮语义；其无障碍名称由本地化操作前缀和原值组成，卡片通过共享剪贴板辅助函数写入该值，并且只有宿主接受写入后，才会用成功标签替换内容最长一秒。反馈保持复制前的卡片高度，并会随卡片关闭一同清除。未传入 `copyText` 时，该原子组件维持只读且可选择文本的行为。
+
+Workspace 浏览器选择复制载荷，不让基础组件从渲染文本中推断：Workspace 卡片传入完整目录路径，非空白 Session 卡片传入完整显示标题。临时的空白「新会话」卡片保持只读，因为其本地化标签是占位文案，并非会话内容。浏览器的 locale 席位提供 `Copy`／`复制`，成功状态则使用 `Copied`／`已复制`。
+
+按下与激活仍是两份独立契约。卡片内发生指针按下时，卡片保持挂载，以便用户开始选择文本；文本选择完成后，若非折叠选区与卡片相交，就会阻止指针点击激活，而普通点击或按钮激活键会激活复制。锚点区域内发生指针按下时，卡片仍会立即消失；剪贴板拒绝写入时，卡片继续显示原内容，不会声称复制成功。
+
+## 备选方案
+
+**复制卡片渲染后的 `textContent`。** 这会把主要值与创建时间或运行状态拼接起来，使剪贴板载荷依赖表现形式和本地化结果。
+
+**在两个 Workspace 卡片主体中分别实现剪贴板状态。** 两个消费方会重复实现宿主回退、键盘行为、计时器所有权和成功状态渲染，尽管激活表层由卡片持有。
+
+**将通用中文 `copied` 标签从 `复制成功` 改为 `已复制`。** 这样会为了满足一种卡片交互而改变所有现有复制控件。卡片专用文案应由 Workspace 字典持有。
+
+## 后果
+
+两种非占位悬浮卡片都获得相同的点击与键盘操作能力，同时保留由消费方决定载荷的语义和本地化反馈。通用原子组件增加一条可选行为路径和一个一秒计时器；卡片关闭时会清除已复制状态，关闭或卸载后到达的完成结果会被忽略，写入被拒绝时绝不会报告成功。聚焦组件测试会固定指针选择文本的优先级、激活、失败、反馈尺寸与到期清除以及清理行为，真实浏览器中的 Workspace 场景则验证英文标签、反馈期间高度稳定和浏览器剪贴板。
diff --git a/.agents/notes/implemented/feature/2026-07-31-permission-default-for-new-sessions.i18n.yaml b/.agents/notes/implemented/feature/2026-07-31-permission-default-for-new-sessions.i18n.yaml
new file mode 100644
index 0000000000..8d4467858b
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-permission-default-for-new-sessions.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-31-permission-default-for-new-sessions.md
+2026-07-31-permission-default-for-new-sessions.md: 35812b53d0c1448afd95b9a063eda6658fb1bef3
+2026-07-31-permission-default-for-new-sessions.zh.md: a75deaec323b57f2bc88e84dd4d5c7d7d98cd177
diff --git a/.agents/notes/implemented/feature/2026-07-31-permission-default-for-new-sessions.md b/.agents/notes/implemented/feature/2026-07-31-permission-default-for-new-sessions.md
new file mode 100644
index 0000000000..35812b53d0
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-permission-default-for-new-sessions.md
@@ -0,0 +1,35 @@
+# Agent Note: Permission Settings default for new sessions
+
+Status: implemented
+
+English | [中文](2026-07-31-permission-default-for-new-sessions.zh.md)
+
+## Problem
+
+The Web General-settings page displayed Permission as a disabled skeleton even though `dsh-permission` already owned the preset table and current-session switch path. The Settings seam could persist a plugin-owned value, but the Web settings API exposed only configurable LLM-provider namespaces. More importantly, treating a user preference as a live global permission would make an existing session's execution policy change outside its durable log.
+
+## Decision
+
+`dsh-permission` owns a `permission` Settings namespace with one `defaultPreset` field. Its base value is `Config.defaultPreset`, or the preset matching the composed sandbox and approval defaults when the config omits it. The schema derives its enum from the configured preset table, so Settings validates stored values and the Web client discovers the deployment's actual choices without duplicating them.
+
+The service reads the current Settings value synchronously at `session/created`. A genuinely fresh session receives three explicit events: `permission/preset`, `sandbox/mode`, and `approval/policy`. Those facts pin the permission selected at creation, so a later Settings change affects only later sessions. A seeded or partially initialized session preserves its effective knobs and receives only missing facts; it never adopts the latest user default while resuming. `Session` marks even an explicitly empty constructor seed with `session/end-seed`, so an empty persisted log cannot be mistaken for a fresh session.
+
+The existing `/permission` command and `permissions` projection remain the current-session path. The browser plugin now contributes the Permission row to `settings.general.item`, reads the dynamic enum from the redacted Settings descriptor, and writes only `defaultPreset` through a revision-checked `settings.mutate`. The row injects its observable through the slot `hooks` compartment instead of binding a renderer-specific hook, and the Permission service sweeps already-live sessions when it mounts so HMR cannot leave an unpinned session. The ownerless General-settings package contributes no placeholder rows.
+
+ApiProxy explicitly adds `permission` to its Web settings allowlist beside the configurable-provider namespaces. This is a local boundary decision, not a general registration flag or a `local-client` access model: registering another Settings namespace still does not expose it. Permission changes emit `host/settings-changed` but not `host/models-changed`.
+
+## Consequences
+
+Changing Permission in Settings updates `settings.yaml` and the selector immediately, but does not alter the open session. Every later session is reconstructable from its three pinned permission facts, including after the user changes the default again or the process restarts. Deployments whose composed sandbox and approval defaults match no preset must configure `defaultPreset` explicitly.
+
+The assembled Web snapshot now contains a functional Permission selector. Its keyless browser scenario writes `read-only`, verifies an existing `danger-full-access` session is unchanged, and verifies a subsequently created session starts with the read-only event triplet.
+
+## Alternatives considered
+
+**Apply the Settings value live to every session.** Rejected because execution policy would change without a session event and replay could not reconstruct which permission governed an earlier tool call.
+
+**Record only `permission/preset` on creation.** Rejected because sandbox and approval are independently owned whole-value knobs; pinning all three facts keeps their consumers independent of future composition-default changes.
+
+**Expose all Settings registrations, or add a generic `local-client` declaration.** Rejected for this change because it expands a security boundary and the Settings contract beyond the one requested preference. The explicit `permission` allowlist entry is sufficient and leaves future namespaces to make their own exposure decision.
+
+**Apply the latest default while resuming a seeded session.** Rejected because resume must preserve the session's prior effective execution policy; missing legacy facts are materialized from that policy instead.
diff --git a/.agents/notes/implemented/feature/2026-07-31-permission-default-for-new-sessions.zh.md b/.agents/notes/implemented/feature/2026-07-31-permission-default-for-new-sessions.zh.md
new file mode 100644
index 0000000000..a75deaec32
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-permission-default-for-new-sessions.zh.md
@@ -0,0 +1,35 @@
+# Agent Note: 新会话的权限 Settings 默认值
+
+Status: implemented
+
+[English](2026-07-31-permission-default-for-new-sessions.md) | 中文
+
+## 问题
+
+Web「通用」设置页将「权限」显示为禁用的骨架控件，尽管 `dsh-permission` 已经拥有 preset 表和当前会话的切换路径。Settings seam 可以持久化由插件拥有的值，但 Web Settings API 只暴露可配置 LLM 提供方的 namespace。更重要的是，如果把用户偏好当成实时生效的全局权限，现有会话的执行策略就会在其持久日志之外发生变化。
+
+## 决策
+
+`dsh-permission` 拥有一个 `permission` Settings namespace，其中只有 `defaultPreset` 字段。它的基础值是 `Config.defaultPreset`；省略该配置时，则使用与组合后的沙箱和审批默认值匹配的 preset。schema 的 enum 从已配置的 preset 表派生，因此 Settings 既能校验已存储的值，Web 客户端也能发现部署中的实际选项，而无需重复定义。
+
+服务会在 `session/created` 时同步读取当前 Settings 值。真正的新会话会收到三个显式事件：`permission/preset`、`sandbox/mode` 和 `approval/policy`。这些事实将创建时选中的权限固定下来，因此后续 Settings 变更只影响之后的会话。带 seed 或只完成部分初始化的会话会保留其有效调节项，只补齐缺失的事实；恢复时绝不会采用最新的用户默认值。`Session` 甚至会用 `session/end-seed` 标记显式为空的构造器 seed，因此不能把空的持久化日志误认为新会话。
+
+现有 `/permission` 命令和 `permissions` 投影仍是当前会话的操作路径。浏览器插件现在向 `settings.general.item` 贡献「权限」行，从脱敏后的 Settings 描述符读取动态 enum，并只通过经过 revision 校验的 `settings.mutate` 写入 `defaultPreset`。该行通过 slot 的 `hooks` 格注入 observable，而不是绑定渲染器专用钩子；权限服务挂载时会遍历并固定所有已存活会话，因此 HMR（热模块替换）不会遗留未固定的会话。无归属的「通用」设置包不贡献任何占位行。
+
+ApiProxy 在可配置提供方 namespace 之外，将 `permission` 显式加入 Web Settings allowlist。这是局部的边界决策，而不是通用注册标志或 `local-client` 访问模型：注册其他 Settings namespace 仍不会将其暴露。权限变更会发出 `host/settings-changed`，但不会发出 `host/models-changed`。
+
+## 后果
+
+在 Settings 中更改「权限」会立即更新 `settings.yaml` 和选择器，但不会改变已打开的会话。之后的每个会话都可以从三个已固定的权限事实中重建，即使用户再次更改默认值或进程重启也不受影响。如果部署中组合后的沙箱和审批默认值与任何 preset 都不匹配，则必须显式配置 `defaultPreset`。
+
+组装后的 Web 快照现在包含功能完整的「权限」选择器。其无密钥浏览器场景会写入 `read-only`，验证现有的 `danger-full-access` 会话保持不变，并验证随后创建的会话以 read-only 事件三元组启动。
+
+## 曾考虑的替代方案
+
+**将 Settings 值实时应用于每个会话。** 不予采纳，因为执行策略会在没有会话事件的情况下改变，重放也无法重建先前工具调用采用了哪种权限。
+
+**创建时只记录 `permission/preset`。** 不予采纳，因为沙箱和审批是由不同组件独立拥有的全量值调节项；固定全部三个事实，可以让其消费方不依赖未来的组合默认值变化。
+
+**暴露所有 Settings 注册，或增加通用的 `local-client` 声明。** 本次变更不予采纳，因为这会扩大安全边界，并使 Settings 契约超出所请求的单项偏好。显式加入 `permission` allowlist 已足够，未来的 namespace 可以各自决定是否暴露。
+
+**恢复带 seed 的会话时应用最新默认值。** 不予采纳，因为恢复操作必须保留会话先前的有效执行策略；缺失的旧版事实应从该策略中补齐。
diff --git a/.agents/notes/implemented/feature/2026-07-31-session-archive-global-set.i18n.yaml b/.agents/notes/implemented/feature/2026-07-31-session-archive-global-set.i18n.yaml
new file mode 100644
index 0000000000..cca8f8a597
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-session-archive-global-set.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-31-session-archive-global-set.md
+2026-07-31-session-archive-global-set.md: fab99a405a6f8264c36453473327e32905bac9c8
+2026-07-31-session-archive-global-set.zh.md: e33f3b5272a6d8fc90cfad247ba21d4d10afb045
diff --git a/.agents/notes/implemented/feature/2026-07-31-session-archive-global-set.md b/.agents/notes/implemented/feature/2026-07-31-session-archive-global-set.md
new file mode 100644
index 0000000000..fab99a405a
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-session-archive-global-set.md
@@ -0,0 +1,33 @@
+# Agent Note: Session archive (registry-global set)
+
+Status: implemented
+
+English | [中文](2026-07-31-session-archive-global-set.zh.md)
+
+## Problem
+
+The session row menu in the sidebar workspace browser carried a purely visual "Delete session" placeholder (no handler). The product decision is **archive**, not delete: the session log and its workspace accounting stay untouched; the session merely disappears from every grouping surface (workspace groups, Ungrouped, search, the flat list). The archive record needs a home: an Ungrouped session belongs to no workspace entity, so a per-workspace field cannot carry it.
+
+## Decision
+
+**The archive set is a new field on the workspace domain's global singleton (`workspaceDomainState.archivedSessionIds`), layered over workspace accounting; display filtering converges entirely in the client's `tree.ts` derivation layer; the wire surface uses the full-snapshot posture.**
+
+- Storage: `archivedSessionIds: z.array(sessionId).default([])`, domain version stays 2 — a purely additive field; pre-field media parse to an empty set through the schema default, no migration code. An archived session keeps its `sessionIds` slot (a future unarchive restores its position), so the set never touches the one-owner accounting invariant.
+- Registry: `ctx.workspace.archiveSession(id)` rides `enqueueOperation`, serialized with create/delete; a session neither live nor persisted throws `WorkspaceUnknownSessionError`; an already archived id neither writes nor emits. The `archivedSessionIds` getter exposes the read-only set.
+- RPC: `workspace.archiveSession({sessionId}) → {archivedSessionIds}` (answers the full updated set); the `workspace.list` response carries the set as the reconnect baseline; a new host frame `host/archived-sessions-changed` pushes the full snapshot after every durable change (same posture as `host/workspace-changed`, emitted from the `domain/changed` global-put branch by set comparison). Unknown sessions reuse the `session-not-found` error code.
+- Client runtime: `WorkspaceListState.archivedSessionIds` (a `readonly SessionId[]` in Host order, reference replaced only on membership change — public snapshot state stays in the store engine's plain-data vocabulary since immer drafts reject Sets without the MapSet plugin; membership lookups build a transient Set in the derivation, the expandedProjects pattern); the list baseline, the unary echo, and the changed frame each install the complete set. the projection sweep clears the current selection whenever it lands in the archive set, returning to the New Session view (user decision: archiving the open session sends the main view back to the hero) — one rule covering the local unary echo, another tab's changed frame, and a reconnect baseline restoring a selection archived while this client was away; a frame or echo landing during an in-flight `workspace.list` also shields the newer set from the stale baseline.
+- UI: the `delete` menu row (visual-only) becomes `archive` (label "Archive session", non-danger styling, no confirmation dialog — a non-destructive action whose worst misfire is list hiding); filtering is one extra arm in `tree.ts`'s `sessionVisible` predicate, with `deriveGroups`/`deriveFlat` taking an `archived` set parameter so all four surfaces (group loop, stray bucket, search, flat) share one source.
+
+## Alternatives considered
+
+**Per-workspace archivedSessionIds (the original phrasing).** Rejected: Ungrouped sessions have no home; the user switched to global.
+
+**An archived flag on SessionSummary (session.list layer).** Rejected: it joins a workspace-domain fact into the sessions-domain projection, summaries have no incremental frame so a separate notification would still be needed — cross-domain coupling outweighs the saving.
+
+**Host-side filtering in `workspaceView`/the `sessionIds` getter.** Rejected: archiving ≠ changing accounting, and filtering the projection muddles the two concepts; a future restore surface also needs the client to see full accounting.
+
+**Incremental frames (single archived/removed rows).** Rejected: the set is tiny and changes rarely; full snapshots spare the client merge logic and dedup state and match the existing workspace-changed posture.
+
+## Consequences
+
+Archived sessions have no viewing or unarchive surface yet (this iteration's scope; recorded as a README Known Limitation); data and accounting slots stay intact, so a future restore is one UI surface plus one inverse RPC. The `workspace.list` response shape change is a pre-release direct edit (no compatibility layer). The workspace-management e2e pins the full chain (archive → row disappears → still hidden after reload, log still present); domain tests pin idempotence, unknown-id rejection, restart recovery, and the pre-field media default upgrade.
diff --git a/.agents/notes/implemented/feature/2026-07-31-session-archive-global-set.zh.md b/.agents/notes/implemented/feature/2026-07-31-session-archive-global-set.zh.md
new file mode 100644
index 0000000000..e33f3b5272
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-session-archive-global-set.zh.md
@@ -0,0 +1,33 @@
+# Agent Note: Session 归档（注册表级全局集合）
+
+状态：implemented
+
+[English](2026-07-31-session-archive-global-set.md) | 中文
+
+## 问题
+
+Sidebar workspace 浏览区的 session 行菜单里，「Delete session」一直是纯视觉占位（无 handler）。产品口径定为**归档**而非删除：session 日志与 workspace 记账都不动，只把该 session 从所有分组视图（workspace 分组、Ungrouped、搜索、平铺列表）里隐藏。归档记录需要一个落点：Ungrouped 的 session 不属于任何 workspace 实体，per-workspace 字段放不下它。
+
+## 决策
+
+**归档集合是 workspace domain 全局单例（`workspaceDomainState.archivedSessionIds`）上的一个新字段，覆盖在 workspace 记账之上；显示过滤全部收敛在 client 的 `tree.ts` 派生层；wire 面走全快照姿态。**
+
+- 存储：`archivedSessionIds: z.array(sessionId).default([])`，domain version 保持 2——纯增量字段，旧介质经 schema default 解析为空集合，无迁移代码。被归档的 session 保留其 `sessionIds` 席位（未来取消归档恢复原位置），因此与「一个 session 只被一个 workspace 记账」不变式零纠缠。
+- Registry：`ctx.workspace.archiveSession(id)` 走 `enqueueOperation` 与 create/delete 串行；未知 session（实时与持久化都查不到）抛 `WorkspaceUnknownSessionError`；已归档 id 不写盘不发事件。`archivedSessionIds` getter 暴露只读集合。
+- RPC：`workspace.archiveSession({sessionId}) → {archivedSessionIds}`（应答完整更新后集合）；`workspace.list` 响应携带集合作为重连基线；新 host 帧 `host/archived-sessions-changed` 在每次持久变更后推完整快照（与 `host/workspace-changed` 同姿态，从 `domain/changed` 的 global put 分支比对推帧）。未知 session 复用错误码 `session-not-found`。
+- client runtime：`WorkspaceListState.archivedSessionIds`（按 Host 顺序的 `readonly SessionId[]`，成员不变不换引用——公有快照状态保持 store 引擎的纯数据词汇：immer draft 不开 MapSet 插件就不接受 Set；membership 查询在派生函数内自建临时 Set，与 expandedProjects 同款）；list 基线、unary 回声、changed 帧三路都整体替换安装。投影层在当前 selection 落入归档集合时统一清空回 New Session 视图（用户拍板：归档当前打开的 session 主视图回 hero）——一条规则同时覆盖本地 unary 回声、其他标签页的 changed 帧、以及重连基线恢复出一个离线期间被归档的 selection；帧/回声落在 in-flight `workspace.list` 期间时还会屏蔽旧基线对新集合的回滚。
+- UI：菜单项 `delete`（visual-only）改为 `archive`（label「Archive session」，非 danger 样式，无确认对话框——非破坏性操作，误触后果只是列表隐藏）；过滤实现为 `tree.ts` 的 `sessionVisible` 判据加一档，`deriveGroups`/`deriveFlat` 增加 `archived` 集合入参，四个视图（分组循环、stray 兜底、搜索、平铺）同源生效。
+
+## 已考虑的替代方案
+
+**per-workspace archivedSessionIds（最初表述）。** 否决：Ungrouped session 无落点；用户改口全局。
+
+**SessionSummary 打 archived 标（session.list 层）。** 否决：要把 workspace domain 事实 join 进 sessions domain 投影，summary 无增量帧还得另发通知，跨域耦合大于收益。
+
+**host 侧在 `workspaceView`/`sessionIds` getter 过滤。** 否决：归档 ≠ 改记账，投影过滤会把两个概念搅浑；未来恢复入口也需要 client 拿到全量记账。
+
+**增量帧（archived/removed 单条）。** 否决：集合极小、变更频率低，全快照免去 client 侧合并逻辑与去重状态，与 workspace-changed 现有姿态一致。
+
+## 后果
+
+归档后 UI 无查看/取消归档入口（本期口径，README Known Limitation 记账）；数据与席位完好，后续加恢复面只是 UI + 一个逆向 RPC。`workspace.list` 响应形状变化是 pre-release 直改（无兼容层）。e2e（workspace-management）钉住了「归档→行消失→reload 后仍隐藏、日志仍在」的全链路；domain 层测试钉住幂等、未知 id 拒绝、跨重启恢复与旧介质默认升级。
diff --git a/.agents/notes/implemented/feature/2026-07-31-telemetry-anonymous-user-id.i18n.yaml b/.agents/notes/implemented/feature/2026-07-31-telemetry-anonymous-user-id.i18n.yaml
new file mode 100644
index 0000000000..7bcfa9f599
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-telemetry-anonymous-user-id.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-31-telemetry-anonymous-user-id.md
+2026-07-31-telemetry-anonymous-user-id.md: 3c8e3324cb418eac48cb5ae780c55bbcbaf3caa1
+2026-07-31-telemetry-anonymous-user-id.zh.md: 9ff6cf35a90d4087b4ab75987dc9244210e3d46a
diff --git a/.agents/notes/implemented/feature/2026-07-31-telemetry-anonymous-user-id.md b/.agents/notes/implemented/feature/2026-07-31-telemetry-anonymous-user-id.md
new file mode 100644
index 0000000000..3c8e3324cb
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-telemetry-anonymous-user-id.md
@@ -0,0 +1,44 @@
+# Agent Note: Telemetry anonymous user id ($DSH_HOME/.userid) and the OTel Resource user.id
+
+Status: implemented
+
+English | [中文](2026-07-31-telemetry-anonymous-user-id.zh.md)
+
+## Problem
+
+Session telemetry is mounted by default ([default-mount Note](2026-07-31-web-telemetry-default-mount.md)), but the OTel Resource carried only `service.name`/`service.version` — no user-level identity at all, so the collector could neither aggregate per user nor count active users. The only prior ruling on point was an unimplemented one to derive a user id by hashing the hostname/local IP; the dsh-sdk toolchain keeps its own anonymous id (`$DSH_HOME/telemetry.json`), but that is the launcher feed's private fact, unrelated to the OTel feed. The OTel feed needed an anonymous user identity with clean semantics.
+
+## Decision
+
+The `session-telemetry-otel` package's own module `src/user-id.ts` owns the OTel feed's user identity: `getOrCreateAnonymousUserId()` returns the bare UUID line in `$DSH_HOME/.userid` (resolved by `resolveDshHome`, `$DSH_HOME` > `~/.dsh`), minting and persisting a random UUID v4 on first use; the backend constructor carries it as the Resource's `user.id` (the OTel semconv user attribute), once per export batch. This identity belongs to the OTel feed alone; the dsh-sdk launcher telemetry keeps its own anonymous-id store (`telemetry.json`), and the two are not shared (the first cut unified both feeds through a shared util package; the user reconsidered and pulled it back — no shared package before a second real consumer exists, revisit when a feed-correlation need appears).
+
+| Ruling | Value | Rationale |
+|---|---|---|
+| Id source | Random UUID v4, never derived from the hostname, network address, or git remote | A derived id is reversible, making "anonymous" a fiction |
+| Storage form | `.userid`, a bare UUID line plus newline, no JSON wrapper | Identity is a standalone fact, not something filed under one telemetry feed's file name/format |
+| IO form | Synchronous IO + a process-lifetime memo keyed by resolved file path | `TelemetryOtel`'s constructor is synchronous (async would reshape plugin loading); one disk touch per process, and mid-run file deletion never affects the running process |
+| Concurrent first launch | Settled by an exclusive-create (`wx`) write; the loser rereads the winner's id | Covers common concurrency (a reread landing in the winner's microsecond create-to-write window can still yield one id per process for that run, converging on the persisted value next launch — a telemetry-grade consequence, accepted) |
+| Loss semantics | File deleted → next launch mints a fresh id; loss is accepted | An anonymous identity has no recovery value; recoverability demands derivation material, which conflicts with anonymity |
+| Write failure | Best-effort: return the in-memory id | Telemetry is never blocked by a read-only home |
+| Report position | Resource attribute, not per-record attributes | Once per batch suffices for Resource-dimension aggregation; per-record injection would touch the seam contract and grow the wire |
+| semconv dependency | `@opentelemetry/semantic-conventions` is not imported | One string constant does not justify a dependency |
+| Home | A module inside `session-telemetry-otel`, not a shared util package | Repo rule: split a package only for a second real consumer; the sdk launcher feed keeps its own store, and no real correlation need exists |
+| Separate switch | None | Identity follows the telemetry master switch (`DSH_TELEMETRY_DISABLED`); telemetry off means nothing reports |
+
+## Alternatives considered
+
+| Rejected | One-line reason |
+|---|---|
+| Hostname/IP-hash-derived id (the prior ruling) | Reversible means not anonymous; the random UUID is semantically clean — the user ruled to supersede |
+| user.id on every record's attributes (Claude Code's shape) | Touches the session-telemetry seam contract or injects per record, growing the wire; once per batch on the Resource already aggregates |
+| A shared util package unifying both feeds (the first cut) | The only real consumer is the OTel backend; switching the sdk launcher onto it was unification for its own sake — the user reconsidered and pulled it back, to be re-extracted when a correlation need appears |
+| Reusing telemetry.json instead of a new file | The file name/JSON format files the identity under the launcher feed's naming; the OTel feed's identity is a standalone fact |
+| AppCLIEntry reading the id and injecting via config patch | Every surface entry needs wiring; a runtime fact inside deployment config conflates the two |
+| Housing it in `@deepseek-ai/dsh-paths` | paths is pure path computation with zero IO; a persisting identity capability would pollute the package boundary |
+
+## Consequences
+
+- One `$DSH_HOME` is one stable user in the OTel feed; separate homes are separate users by construction, with no cross-home linking mechanism.
+- The OTel feed and the launcher feed each hold their own id (`.userid` vs `telemetry.json`) and cannot be correlated — the direct cost of not extracting a shared package, to be unified when a real correlation need appears.
+- Deleting `.userid` resets the identity (effective next launch); on an unwritable home each process holds its own in-memory id until the home becomes writable.
+- The [default-mount Note](2026-07-31-web-telemetry-default-mount.md)'s identity follow-up is closed for the anonymous-user-id part by this decision; hostname/surface dimensions, the redaction rule, and the usage-metrics track remain open.
diff --git a/.agents/notes/implemented/feature/2026-07-31-telemetry-anonymous-user-id.zh.md b/.agents/notes/implemented/feature/2026-07-31-telemetry-anonymous-user-id.zh.md
new file mode 100644
index 0000000000..9ff6cf35a9
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-telemetry-anonymous-user-id.zh.md
@@ -0,0 +1,44 @@
+# Agent Note: telemetry 匿名用户 id（$DSH_HOME/.userid）与 OTel Resource user.id
+
+Status: implemented
+
+[English](2026-07-31-telemetry-anonymous-user-id.md) | 中文
+
+## Problem
+
+session telemetry 已默认挂载（[默认挂载 Note](2026-07-31-web-telemetry-default-mount.md)），但 OTel Resource 只有 `service.name`/`service.version`，没有任何用户级标识——接收端无法按用户聚合、无法数活跃用户。此前唯一相关口径是一条未实现的「hostname/本机 IP 哈希派生 user.id」裁定；dsh-sdk 工具链另有自用的匿名 id（`$DSH_HOME/telemetry.json`），但那是 launcher 回流的私有事实，与 OTel 回流无关。需要给 OTel 回流一个语义干净的匿名用户身份。
+
+## Decision
+
+`session-telemetry-otel` 包内模块 `src/user-id.ts` 是 OTel 回流用户身份的属主：`getOrCreateAnonymousUserId()` 返回 `$DSH_HOME/.userid`（`resolveDshHome` 解析，`$DSH_HOME` > `~/.dsh`）中的裸 UUID 行，首用生成随机 UUID v4 并落盘；backend 构造时把它作为 Resource 的 `user.id`（OTel semconv 标准用户属性）随每批导出携带一次。该身份只属于 OTel 回流；dsh-sdk launcher telemetry 保留自己的匿名 id 存储（`telemetry.json`），两者不共享（初版曾做公用 util 包统一两条回流，用户复议后收回：在有第二个真实消费者之前不抽公共包，回流关联需求出现时再议）。
+
+| 裁定 | 取值 | 理由 |
+|---|---|---|
+| id 来源 | 随机 UUID v4，绝不从 hostname/网络地址/git remote 派生 | 派生 id 可反查，「匿名」名不副实 |
+| 存储形态 | `.userid` 裸 UUID 行 + 换行，无 JSON 包装 | 身份是独立事实，不挂在某条 telemetry 链路的文件命名/格式下 |
+| 读写形态 | 同步 IO + 进程内按解析后文件路径 memo | `TelemetryOtel` 构造函数是同步的（async 迫使插件装载改形）；一进程一次盘 IO，运行中删文件不影响本进程 |
+| 并发首启 | `wx` 独占写裁决，落败方重读胜者 id | 覆盖常见并发（重读撞进胜者建档-写入微秒窗仍可能各持一 id 一次运行，下次启动收敛到落盘值——telemetry 级后果，接受） |
+| 丢失语义 | 文件被删 → 下次启动换新 id，接受丢失 | 匿名身份无恢复价值；可恢复性要求派生材料，与匿名冲突 |
+| 写失败 | best-effort 返回内存 id | telemetry 永不因 home 只读被阻塞 |
+| 上报位置 | Resource 属性，非逐条 attributes | 每批一次即够接收端按 Resource 维度聚合；逐条注入要动 seam 契约且涨 wire 体积 |
+| semconv 依赖 | 不引 `@opentelemetry/semantic-conventions` 包 | 一个字符串常量不值一个依赖 |
+| 落点 | `session-telemetry-otel` 包内模块，非公共 util 包 | 仓规「有第二个真实消费者才拆包」；sdk launcher 回流保留自有存储，无现实关联需求 |
+| 单独开关 | 无 | 身份跟随 telemetry 整体开关（`DSH_TELEMETRY_DISABLED`）；关 telemetry 即整体不报 |
+
+## Alternatives considered
+
+| 被拒 | 一句话理由 |
+|---|---|
+| hostname/IP 哈希派生 id（此前口径） | 可反查即非匿名；随机 UUID 语义干净，用户裁决取代 |
+| user.id 放每条 record 的 attributes（Claude Code 形态） | 要动 session-telemetry seam 契约或逐条注入，wire 体积涨；Resource 每批一次已满足聚合 |
+| 公用 util 包统一两条回流（初版实现） | 唯一现实消费者是 OTel backend；sdk launcher 换用它只是为统一而统一——用户复议收回，回流关联需求出现时再抽包 |
+| 复用 telemetry.json 不新建文件 | 文件名/JSON 格式把身份挂在 launcher 链路命名下；OTel 回流身份是独立事实 |
+| AppCLIEntry 读好 id 经 config patch 注入 | 每个 surface 入口都要接线；config 里传运行时事实与部署配置混淆 |
+| 挂进 `@deepseek-ai/dsh-paths` | paths 是纯路径计算零 IO；带持久化的身份能力会污染包边界 |
+
+## Consequences
+
+- 一个 `$DSH_HOME` 在 OTel 回流中是一个稳定用户；不同 home 在构造上就是不同用户，无跨 home 关联机制。
+- OTel 回流与 launcher 回流各有各的 id（`.userid` 与 `telemetry.json`），无法互相关联——这是「不抽公共包」的直接代价，等真实关联需求出现再统一。
+- 删除 `.userid` 即重置身份（下次启动生效）；home 不可写时每进程各自持有一个内存 id 直至恢复可写。
+- [默认挂载 Note](2026-07-31-web-telemetry-default-mount.md) 的身份 follow-up 中「匿名用户 id」项由本决定关闭；hostname/surface 维度与脱敏规则、usage-metrics track 仍是待办。
diff --git a/.agents/notes/implemented/feature/2026-07-31-third-party-memory-mcp-examples.i18n.yaml b/.agents/notes/implemented/feature/2026-07-31-third-party-memory-mcp-examples.i18n.yaml
new file mode 100644
index 0000000000..0eddfa1740
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-third-party-memory-mcp-examples.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-31-third-party-memory-mcp-examples.md
+2026-07-31-third-party-memory-mcp-examples.md: e82d65a3a5a60cafcc47df5a6873cf5768cd8b8f
+2026-07-31-third-party-memory-mcp-examples.zh.md: ee0e9f2e1378f9787e09e32cc05dd13a3648254c
diff --git a/.agents/notes/implemented/feature/2026-07-31-third-party-memory-mcp-examples.md b/.agents/notes/implemented/feature/2026-07-31-third-party-memory-mcp-examples.md
new file mode 100644
index 0000000000..e82d65a3a5
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-third-party-memory-mcp-examples.md
@@ -0,0 +1,78 @@
+# Agent Note: Third-party memory MCP examples
+
+Status: implemented
+
+English | [中文](2026-07-31-third-party-memory-mcp-examples.zh.md)
+
+## Problem
+
+A direct vendor integration made one provider's API, configuration, health behavior, and tool semantics part of DSH. That was too much product surface for a capability already expressible through MCP, and it would require repeating the same adaptation for every memory system. Users instead need a small, inspectable way to opt into one external memory server while preserving the generic MCP boundary.
+
+The acceptance bar is stronger than "the socket connects": each reference must support a real DSH write in session A, recall from the provider in a fresh DSH session B, and use of the recalled value. At the same time, provider downloads, accounts, models, embeddings, storage initialization, and separate HTTP processes must remain upstream responsibilities.
+
+## Decision
+
+Ship three default-off Cordis overlay examples under `examples/mcp-memory`: Memorix, MCP Reference Memory, and Engram. Every file inserts exactly one `@deepseek-ai/dsh-mcp-client` row. None is referenced by the shipped composition, and the CLI declares the generic bridge only so an explicitly selected overlay can resolve it.
+
+These third-party configurations are provided as interoperability examples only. Their inclusion does not imply endorsement, recommendation, partnership, or ongoing support by DeepSeek. There is no memory preset registry, vendor-specific DSH plugin, universal memory service, installation UI, migration layer, health checker, or reconnect controller. Another memory MCP server uses the same documented stdio or Streamable HTTP row.
+
+## Responsibility boundary
+
+| Concern | DSH | Upstream provider or user |
+|---|---|---|
+| Parse selected overlay | Yes | Select one file |
+| Start stdio command and stop it on plugin disposal | Yes | Install the pinned executable |
+| Connect to Streamable HTTP and discover tools | Yes | Run and supervise the HTTP service |
+| Register tools as `mcp__<serverName>__<rawName>` | Yes | Define tool schemas and behavior |
+| Account, auth, model, embedding, storage initialization | No | Yes |
+| Vendor data migration, retry, crash recovery | No | Yes |
+
+The generic stdio transport scrubs ambient credential-shaped and `DSH_*` variables while inheriting other ambient variables. Baseline examples add only required overrides; optional provider secrets must be added to `config.env` or configured in the provider's own files.
+
+## Pins, storage, and identity
+
+| Provider | Tested contract |
+|---|---|
+| Memorix | npm `1.3.0`, tag commit `500792cad3144142293bfbb20acb4841c9f7fcfa` |
+| MCP Reference Memory | npm `2026.7.4`, package commit `6dd0a683e198783e30feabf7abaf42f925bd18b1` |
+| Engram | tag `v1.20.0`, commit `ba9e46ced152c37a7cb9e576153c41995873e2fc` |
+
+Storage remains provider-owned. Memorix uses `~/.memorix/data` and Engram uses `~/.engram` by default. The Reference Memory example sets a stable `$HOME/.dsh-mcp-reference-memory.jsonl` path instead of writing into the installed npm package directory. Each provider's own environment variable can override these locations before DSH starts.
+
+Project identity remains provider-owned: Memorix and Engram use the DSH working directory's Git project, with Engram optionally accepting `ENGRAM_PROJECT`.
+
+## Model guidance
+
+The examples do not patch `@deepseek-ai/dsh-system-prompt`: a config patch replaces a row's complete config and could erase an existing persona. The README instead offers one optional additive instruction:
+
+> When the user asks you to remember something, call a memory write tool. When historical information may be relevant, search memory and use relevant results.
+
+Provider tool descriptions remain authoritative.
+
+## Validation contract
+
+Remote CI never contacts third-party services or consumes secrets. The keyless suite parses all three overlay files, checks their generic bridge and secret boundary, replaces the upstream endpoint with the package-owned MCP fixture server, boots the real Cordis Loader, and proves tool discovery.
+
+Before merge, manual evidence for every pinned provider must separately show:
+
+1. DSH session A calls a write tool and receives success for a unique value.
+2. Fresh DSH session B, under the same provider storage scope, calls search or recall and returns that value without session A's transcript.
+3. Session B uses the recalled value in a subsequent answer.
+
+"Fresh session" means a new DSH session in the same Host. No Host restart is required. The generic MCP client discovers asynchronously and has no automatic reconnect after a child or HTTP transport closes; validation waits for tools before the first turn and uses HMR or a Host restart only after a crash.
+
+## Alternatives considered
+
+**One DSH plugin per provider.** Rejected because it repeats auth, configuration, lifecycle, and tool wrappers that MCP already standardizes and expands ownership for every added provider.
+
+**A memory-provider preset registry.** Rejected because a registry would make third-party versions and recommendations look like a supported DSH product surface. Copyable overlays keep ownership and drift visible.
+
+**Run `npx` or `go run` inside the MCP row.** Rejected after probes showed first-run npm downloads can exceed the MCP initialization timeout and an interrupted `npx` cache can become unusable. DSH starts a server process; it is not the provider package manager. Pinned installation commands are explicit prerequisites.
+
+**Inject the common instruction from the generic MCP client.** Rejected because the bridge serves non-memory MCP servers too, and generic prompt mutation would reintroduce provider semantics into shared runtime code.
+
+## Consequences
+
+Selecting a file gives the model the provider's complete discovered MCP tool surface, with schema/token cost determined by that provider. Removing `--config` removes the memory server. Users accept each upstream license, data policy, cloud cost, and operational model directly.
+
+The earlier vendor-specific change is superseded by this generic path. Future provider drift is handled by updating and revalidating a small example pin rather than adding runtime branches to DSH.
diff --git a/.agents/notes/implemented/feature/2026-07-31-third-party-memory-mcp-examples.zh.md b/.agents/notes/implemented/feature/2026-07-31-third-party-memory-mcp-examples.zh.md
new file mode 100644
index 0000000000..ee0e9f2e13
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-third-party-memory-mcp-examples.zh.md
@@ -0,0 +1,78 @@
+# Agent Note: 第三方记忆 MCP 示例
+
+Status: implemented
+
+[English](2026-07-31-third-party-memory-mcp-examples.md) | 中文
+
+## 问题
+
+直接集成某个提供方会使该提供方的 API、配置、健康状态行为和工具语义成为 DSH 的一部分。对于已经可以通过 MCP 表达的功能，这会让产品接口过于庞大，而且每接入一个记忆系统都需要重复同样的适配工作。用户需要的是一种精简、可检查的方式，在保留通用 MCP 边界的同时，选择启用一个外部记忆服务器。
+
+验收标准不止于「套接字可以连接」：每份参考配置都必须支持 DSH 在会话 A 中实际写入，在新的 DSH 会话 B 中从提供方召回，并使用召回的值。与此同时，提供方下载、账户、模型、embedding、存储初始化和独立 HTTP 进程仍由上游负责。
+
+## 决策
+
+在 `examples/mcp-memory` 下交付三份默认关闭的 Cordis overlay 示例：Memorix、MCP Reference Memory 和 Engram。每个文件只插入一个 `@deepseek-ai/dsh-mcp-client` 配置项。交付组合不会引用这些文件；CLI（命令行界面）仅声明通用桥接器，使用户显式选择 overlay 时可以解析它。
+
+这些第三方配置仅作为互操作参考；收录不代表 DeepSeek 的认可、推荐、合作关系或持续支持承诺。系统没有记忆预设注册表、提供方专属 DSH 插件、通用记忆服务、安装 UI、迁移层、健康检查器或重连控制器。其他记忆 MCP 服务器可以使用同一份文档中的 stdio 或 Streamable HTTP 配置项。
+
+## 职责边界
+
+| 事项 | DSH | 上游提供方或用户 |
+|---|---|---|
+| 解析选中的 overlay | 是 | 选择一个文件 |
+| 启动 stdio 命令，并在插件 dispose（资源释放）时将其停止 | 是 | 安装固定版本的可执行文件 |
+| 连接 Streamable HTTP 并发现工具 | 是 | 运行并监管 HTTP 服务 |
+| 以 `mcp__<serverName>__<rawName>` 注册工具 | 是 | 定义工具 schema 和行为 |
+| 账户、认证、模型、embedding、存储初始化 | 否 | 是 |
+| 提供方数据迁移、重试、崩溃恢复 | 否 | 是 |
+
+通用 stdio 传输会清除环境中名称类似凭据的变量和 `DSH_*` 变量，同时继承其他环境变量。基线示例仅添加必需的覆盖项；可选的提供方密钥必须添加到 `config.env`，或配置在提供方自己的文件中。
+
+## 版本固定、存储与身份
+
+| 提供方 | 已测试契约 |
+|---|---|
+| Memorix | npm `1.3.0`，tag commit `500792cad3144142293bfbb20acb4841c9f7fcfa` |
+| MCP Reference Memory | npm `2026.7.4`，package commit `6dd0a683e198783e30feabf7abaf42f925bd18b1` |
+| Engram | tag `v1.20.0`，commit `ba9e46ced152c37a7cb9e576153c41995873e2fc` |
+
+存储仍由提供方负责。Memorix 默认使用 `~/.memorix/data`，Engram 默认使用 `~/.engram`。Reference Memory 示例设置稳定的 `$HOME/.dsh-mcp-reference-memory.jsonl` 路径，而不是写入已安装的 npm 包（package）目录。每个提供方自己的环境变量都可以在 DSH 启动前覆盖这些位置。
+
+项目身份仍由提供方负责：Memorix 和 Engram 使用 DSH 工作目录中的 Git 项目，其中 Engram 还可以选择接受 `ENGRAM_PROJECT`。
+
+## 模型指导
+
+示例不会修改 `@deepseek-ai/dsh-system-prompt`：配置 patch 会替换某个配置项的完整配置，可能抹除已有 persona。README 改为提供一条可选的附加指令：
+
+> 用户要求记住时调用写入工具；涉及历史信息时，主动检索并使用相关记忆。
+
+提供方的工具描述仍然是权威定义。
+
+## 验证契约
+
+远程 CI 不会访问第三方服务或消耗密钥。无密钥套件解析全部三份 overlay 文件，检查其通用桥接器和密钥边界，将上游端点替换为包自带的 MCP fixture（测试前置数据）服务器，通过真实 Cordis Loader 启动，并验证工具发现。
+
+合并前，每个固定版本的提供方都必须分别提供以下人工证据：
+
+1. DSH 会话 A 调用写入工具，为一个唯一值写入记忆，并收到成功结果。
+2. 新的 DSH 会话 B 在相同的提供方存储范围下调用搜索或召回，不借助会话 A 的 transcript（文本记录）便可返回该值。
+3. 会话 B 在后续回答中使用该召回值。
+
+「新会话」是指同一个 Host 中新建的 DSH 会话，不需要重启 Host。通用 MCP 客户端以异步方式发现工具，子进程或 HTTP 传输关闭后不会自动重连；验证会在第一轮之前等待工具出现，并且只在崩溃后使用 HMR 或重启 Host。
+
+## 考虑过的替代方案
+
+**每个提供方使用一个 DSH 插件。** 不予采纳，因为这会重复 MCP 已经标准化的认证、配置、生命周期和工具包装层，并随着每增加一个提供方而扩大维护范围。
+
+**记忆提供方预设注册表。** 不予采纳，因为注册表会让第三方版本和推荐看起来像受支持的 DSH 产品接口。可复制的 overlay 让所有权和版本偏移保持可见。
+
+**在 MCP 配置项内运行 `npx` 或 `go run`。** 不予采纳，因为探测表明首次 npm 下载可能超过 MCP 初始化超时，而中断的 `npx` 缓存可能变得不可用。DSH 负责启动服务器进程，不是提供方的包管理器。固定版本的安装命令属于显式前置条件。
+
+**由通用 MCP 客户端注入共用指令。** 不予采纳，因为该桥接器也服务于非记忆类 MCP 服务器，而且通用提示词变更会把提供方语义重新带入共享运行时代码。
+
+## 后果
+
+选择一个文件后，模型可以使用提供方发现到的完整 MCP 工具接口；工具 schema 和 token 成本由提供方决定。移除 `--config` 就会移除记忆服务器。用户直接接受各上游的许可证、数据政策、云服务费用和运维模式。
+
+通用方案取代了早期针对特定提供方的改动。未来出现提供方版本偏移时，只需更新并重新验证一份小型示例的固定版本，不必向 DSH 添加运行时分支。
diff --git a/.agents/notes/implemented/feature/2026-07-31-web-cards-toolrow.i18n.yaml b/.agents/notes/implemented/feature/2026-07-31-web-cards-toolrow.i18n.yaml
new file mode 100644
index 0000000000..483e4cc132
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-web-cards-toolrow.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-31-web-cards-toolrow.md
+2026-07-31-web-cards-toolrow.md: caa18563a9e66f882873e8d7e84cc3ac20702033
+2026-07-31-web-cards-toolrow.zh.md: 4e9c429497e1265b4b39ed2479f382a2f36e7741
diff --git a/.agents/notes/implemented/feature/2026-07-31-web-cards-toolrow.md b/.agents/notes/implemented/feature/2026-07-31-web-cards-toolrow.md
new file mode 100644
index 0000000000..caa18563a9
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-web-cards-toolrow.md
@@ -0,0 +1,32 @@
+# Agent Note: Card tool rows collapse through one ToolRow
+
+Status: implemented
+
+English | [中文](2026-07-31-web-cards-toolrow.zh.md)
+
+## Problem
+
+The Web client grew five card render intents over successive PRs — terminal, diff, read, search, web — each landing as a keyed toolview registrant under `packages/client/ui-conversation/src/client/toolviews/`. They diverged in two ways the earlier PRs each acknowledged but deferred:
+
+- **Chrome duplication.** `read-row`, `search-row`, `web-row`, and `file-mutation-row` each hand-drew the summary row (leading state slot, visually-hidden status, title, separator dot, path-link/summary) as their own `<div className={css.root}>` with a private `.module.css`, instead of composing the shared `ToolRow`. `read-row` carried a `jscpd:ignore` marker naming the duplication and pointing at "a separate change tracked for all rows at once" — this change.
+- **Resident vs. collapsed.** Those four rows kept their card (`ReadBlock`/`SearchBlock`/`WebBlock`/`DiffBlock`) resident below the summary — always expanded — while the terminal card (via `GenericToolCard`/`BashRow`) and every text row started collapsed behind ToolRow's whole-row expand. A conversation with several read/search/web/edit calls became a wall of always-open cards, defeating the summary-surface purpose of the message flow.
+
+## Decision
+
+`ToolRow` owns every card kind, and every keyed card row composes it. ToolRow already took `terminal` and `diff` card material; it now also takes `read`, `search`, and `web`, rendering whichever is present in its collapsed-by-default expanded body through the matching primitive (capped at the chat `CHAT_*` bounds). A call carries at most one card kind, so the props are mutually exclusive and the body picks the first present.
+
+The four keyed rows — `ReadRow`, `SearchRow`, `WebRow`, `FileMutationRow` — drop their hand-drawn chrome and private CSS and become thin `ToolRow` compositions, exactly like `AskQuestionRow`: derive the card model, pass it as the matching ToolRow prop, forward `filePath`/`onOpenFile` for the file tools and `output`/`errorSummary` for the cardless failure paths. Each row is now `ToolRowProps & PropsLocale<'conversation'>` and registers with `locale: NS`, because ToolRow needs the conversation `t` for its terminal/code body copy. `GenericToolCard` (the render-site fallback) does the same for read/search/web, so a card-declaring tool without its own keyed row collapses identically.
+
+The `DetailsPanel` Output section is unchanged: the panel is the single-call reading surface, so it renders each card resident at the primitive's full height, and a capped search keeps its recovery footer there.
+
+## Consequences
+
+- One expand interaction across all tool rows: collapsed one-line summary, whole row toggles the card. The card is not in the DOM until expanded (`DisclosureRow` renders `children` only when open), so tests assert absent-then-present around a `[data-expandable]` click.
+- Deleted: `read-row.module.css`, `search-row.module.css`, `web-row.module.css`, `file-mutation-row.module.css`, `GenericToolCard.module.css`. The rows carry no CSS of their own; ToolRow's module owns the chrome and the card-body indentation.
+- The cardless failure paths (an errored mutation, an errored/nested/legacy search) no longer draw their own `.failure`/recovery `<div>`; they ride ToolRow's `output` (Output section) and `errorSummary` (collapsed summary first line), which already flatten the result text with the `error.name: error.code` fallback.
+- `bash-sample` keeps its own local expand chrome deliberately (the third-party-posture exemplar that never imports the chat domain); it was already collapsed, so its behavior is unchanged.
+
+## Alternatives considered
+
+- **Keep the rows resident, only unify chrome.** Rejected: the user's requirement is default-collapsed, and resident cards are what made the flow unscannable.
+- **A shared `CardRow` wrapper between the rows and ToolRow.** Rejected: ToolRow already is that wrapper once it takes every card kind; a second layer would be the premature extraction the package rules warn against.
diff --git a/.agents/notes/implemented/feature/2026-07-31-web-cards-toolrow.zh.md b/.agents/notes/implemented/feature/2026-07-31-web-cards-toolrow.zh.md
new file mode 100644
index 0000000000..4e9c429497
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-web-cards-toolrow.zh.md
@@ -0,0 +1,32 @@
+# Agent Note：卡片工具行通过同一个 ToolRow 折叠
+
+Status: implemented
+
+[English](2026-07-31-web-cards-toolrow.md) | 中文
+
+## 问题
+
+Web 客户端在连续几个 PR 里长出五种卡片渲染意图——terminal、diff、read、search、web，每一种都作为一个键控 toolview 注册项落在 `packages/client/ui-conversation/src/client/toolviews/` 下。它们在两处出现分歧，之前每个 PR 都承认却推迟处理：
+
+- **Chrome 重复。** `read-row`、`search-row`、`web-row`、`file-mutation-row` 各自把摘要行（行首状态槽、视觉隐藏状态、标题、分隔点、路径链接/摘要）手绘成自己的 `<div className={css.root}>`，配一份私有 `.module.css`，而不是组合共享的 `ToolRow`。`read-row` 带着一个 `jscpd:ignore` 标记，点名这处重复并指向"一处针对所有行一次性处理的独立改动"——就是本次改动。
+- **常驻 vs 折叠。** 那四个行把卡片（`ReadBlock`/`SearchBlock`/`WebBlock`/`DiffBlock`）常驻在摘要下方——始终展开——而终端卡片（经 `GenericToolCard`/`BashRow`）与每个文本行都从折叠状态起步，藏在 ToolRow 的整行展开之后。一个有多个 read/search/web/edit 调用的对话就成了一堵始终打开的卡片墙，违背了消息流作为摘要面的目的。
+
+## 决策
+
+`ToolRow` 拥有每一种卡片，而每个键控卡片行都组合它。ToolRow 原本就接收 `terminal` 与 `diff` 卡片材料；现在还接收 `read`、`search`、`web`，在其默认折叠的展开 body 里用对应原语渲染当前存在的那一种（按 chat 的 `CHAT_*` 上限截断）。一次调用最多携带一种卡片，因此这些 prop 互斥，body 取第一个存在的。
+
+四个键控行——`ReadRow`、`SearchRow`、`WebRow`、`FileMutationRow`——丢掉手绘 chrome 与私有 CSS，成为薄薄的 `ToolRow` 组合，与 `AskQuestionRow` 完全一样：推导卡片模型，作为对应的 ToolRow prop 传入，为文件工具转发 `filePath`/`onOpenFile`，为无卡片的失败路径转发 `output`/`errorSummary`。每个行现在是 `ToolRowProps & PropsLocale<'conversation'>` 并以 `locale: NS` 注册，因为 ToolRow 需要对话的 `t` 来渲染其终端/代码 body 文案。`GenericToolCard`（渲染点兜底）对 read/search/web 做同样的事，所以一个没有自己键控行的卡片声明工具也以同样方式折叠。
+
+`DetailsPanel` 的 Output 区不变：面板是单次调用的阅读面，因此它以原语的完整高度常驻渲染每张卡片，被截断的搜索也把恢复脚注留在那里。
+
+## 后果
+
+- 所有工具行共享一套展开交互：折叠时是单行摘要，整行切换卡片。卡片在展开前不在 DOM 里（`DisclosureRow` 只在打开时渲染 `children`），因此测试围绕一次 `[data-expandable]` 点击断言"先无后有"。
+- 已删除：`read-row.module.css`、`search-row.module.css`、`web-row.module.css`、`file-mutation-row.module.css`、`GenericToolCard.module.css`。这些行不再带自己的 CSS；ToolRow 的 module 拥有 chrome 与卡片 body 的缩进。
+- 无卡片的失败路径（出错的改动，出错/嵌套/旧日志的搜索）不再画自己的 `.failure`/恢复 `<div>`；它们改走 ToolRow 的 `output`（Output 区）与 `errorSummary`（折叠摘要首行），后者已经用 `error.name: error.code` 兜底压平结果文本。
+- `bash-sample` 有意保留自己本地的展开 chrome（第三方姿态的范例，从不引入 chat 域）；它本来就是折叠的，因此行为不变。
+
+## 考虑过的替代方案
+
+- **保持行常驻，只统一 chrome。** 否决：用户的要求是默认折叠，而常驻卡片正是让流不可扫读的原因。
+- **在行与 ToolRow 之间加一层共享的 `CardRow` 包装。** 否决：ToolRow 一旦接收每一种卡片，它本身就是那层包装；再加一层就是 package 规则警告的过早抽取。
diff --git a/.agents/notes/implemented/feature/2026-07-31-web-default-search.i18n.yaml b/.agents/notes/implemented/feature/2026-07-31-web-default-search.i18n.yaml
new file mode 100644
index 0000000000..6b244f3d12
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-web-default-search.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-31-web-default-search.md
+2026-07-31-web-default-search.md: d9616c27410bb5be9b385a9aaa56c22f6054eeb1
+2026-07-31-web-default-search.zh.md: 27cd330427669a78c03b939c737b37f79fd7965a
diff --git a/.agents/notes/implemented/feature/2026-07-31-web-default-search.md b/.agents/notes/implemented/feature/2026-07-31-web-default-search.md
new file mode 100644
index 0000000000..d9616c2741
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-web-default-search.md
@@ -0,0 +1,35 @@
+# Agent Note: Default Web search in shipped compositions
+
+Status: implemented
+
+English | [中文](2026-07-31-web-default-search.zh.md)
+
+## Problem
+
+The harness had a complete Web capability family—provider registry, DeepSeek/Exa/Perplexity search providers, local fetch, stable model tools, and structured result presentation—but the shipped `dsh web` composition mounted none of it. The model could not discover current information unless a deployment supplied a custom overlay. Merely mounting the existing DeepSeek provider would not complete the WebUI path: the Models page stores `DEEPSEEK_API_KEY` through `ctx.credentials`, while the search provider froze only the process environment at plugin load, so a key entered or rotated in the running UI would not reach search.
+
+## Decision
+
+`apps/cli/config/base.cordis.yml` explicitly mounts `dsh-web` with `searchProvider: deepseek-official`, `dsh-web-search-deepseek`, and `dsh-tool-web` with `fetch: false`. It does not mount `dsh-web-fetch-local` or select a fetch provider. The shared base makes only `web_search` a default for TUI, browser, and headless sessions. The explicit search provider id keeps selection independent of registration order and leaves personal or `--config` overlays able to replace or disable the rows.
+
+DeepSeek search uses the same `DEEPSEEK_API_KEY` credential reference as the official conversation adapter. The provider resolves that reference inside every search through the optional `ctx.credentials` service; only a composition without the seam falls back to the launching process environment, and a non-empty literal `apiKey` remains the programmatic last resort. A stored or rotated Web Models key therefore reaches the next search without restarting or retaining the value on the provider. Because `WebSearchProvider.available()` is synchronous, it treats an installed resolver as locally usable and missing dynamic credentials fail the operation with the provider-specific `WEB_PROVIDER_CREDENTIAL_MISSING` code while the stable tool schema stays registered.
+
+Search keeps its endpoint distinct from chat completions: `DEEPSEEK_SEARCH_BASE_URL` overrides the Anthropic-compatible base, while `DEEPSEEK_BASE_URL` continues to configure conversation requests. Each `web_search` performs an auxiliary DeepSeek Messages call with the native search server tool. Immediately before dispatch, the provider appends a log-only `web/deepseek-search-llm-request` event to the initiating Agent session with the resolved endpoint, API version, and exact secret-free JSON body. Credential preflight remains provider-local and races caller cancellation; neither concern expands the generic Web or credentials seams.
+
+The default mount does not create a Web-specific permission policy. `web_search` executes outside the bash/filesystem sandbox and approval presets, following `dsh-tool-web`'s existing contract. It does not mount `web_fetch` or a local fetch provider, so the default does not grant model-selected arbitrary URL retrieval. The shipped deployment already defaults to `danger-full-access`; a future restricted-network product stance must add a `tools/pre-execute` policy or capability-specific network confinement rather than implying that filesystem access mode governs Web calls.
+
+## Alternatives considered
+
+**Mount only `dsh-tool-web`.** Rejected because stable schemas without registered providers would make every default call fail; enablement and backend availability are deliberately separate, but a shipped default must supply its intended implementations.
+
+**Read `$DSH_HOME/.env` from `cordis.yml` or hoist it into `process.env`.** Rejected because the credential provider owns that document, environment values are read-only overrides, and hoisting would make stored keys unrotatable while bypassing the audited secret boundary.
+
+**Freeze `process.env.DEEPSEEK_API_KEY` at provider load.** Rejected because the Web Models page writes through `ctx.credentials`; the product's documented first-run path must make the next operation work without a restart.
+
+**Keep Web tools in `web.cordis.yml`.** Rejected because it preserves an unexplained tool-roster difference between TUI and Web/headless. The rows are not surface-specific, so `base.cordis.yml` is their one home; the [tool-roster decision](2026-07-31-even-out-shipped-tool-rosters.md) records the shared composition.
+
+**Enable search and fetch together.** Rejected because default `web_fetch` would allow model-selected anonymous outbound HTTP(S) retrieval to arbitrary URLs. Search covers discovery; deployments that accept broader retrieval can opt into `dsh-web-fetch-local` and set `dsh-tool-web`'s `fetch` option to `true` in their overlay.
+
+## Consequences
+
+Native model requests on every shipped surface carry only the `web_search` schema and search-only prompt guidance; Web/headless Code Mode exposes the same search capability beneath `run_code`. The prompt tells the model to use returned snippets and never advertises the disabled `web_fetch` tool. Search adds a complete auxiliary model call and may use the native server tool multiple times; its exact secret-free request remains reconstructable from the initiating session log. The default offers search-result snippets and source metadata but no arbitrary page retrieval; deployments that need full-page fetch must opt in. The Web snapshot lane boots the shipped tree, drives a replayed `web_search` call through the real DeepSeek provider against a local Messages fixture, asserts the durable auxiliary request and structured result, and pins the settled browser presentation. The TUI/Web composition smokes pin the shared `web_search` roster and absence of `web_fetch`; provider tests pin missing, stored, and rotated credential behavior plus literal and ambient compatibility.
diff --git a/.agents/notes/implemented/feature/2026-07-31-web-default-search.zh.md b/.agents/notes/implemented/feature/2026-07-31-web-default-search.zh.md
new file mode 100644
index 0000000000..27cd330427
--- /dev/null
+++ b/.agents/notes/implemented/feature/2026-07-31-web-default-search.zh.md
@@ -0,0 +1,35 @@
+# Agent Note: 已交付组合中的默认 Web 搜索
+
+Status: implemented
+
+[English](2026-07-31-web-default-search.md) | 中文
+
+## 问题
+
+该 harness 已具备完整的 Web 能力体系：提供方注册表、DeepSeek、Exa 和 Perplexity 搜索提供方、本地抓取、稳定的面向模型工具，以及结构化结果呈现，但已交付的 `dsh web` 组合没有挂载其中任何一项。除非部署提供自定义覆盖层，否则模型无法发现最新信息。仅挂载现有 DeepSeek 提供方仍无法打通 WebUI 链路：Models 页面通过 `ctx.credentials` 存储 `DEEPSEEK_API_KEY`，而搜索提供方只会在插件加载时固定读取进程环境，因此在运行中的 UI 输入或轮换的密钥无法用于搜索。
+
+## 决策
+
+`apps/cli/config/base.cordis.yml` 明确挂载 `dsh-web`，配置 `searchProvider: deepseek-official`，同时挂载 `dsh-web-search-deepseek`，并以 `fetch: false` 挂载 `dsh-tool-web`。它不挂载 `dsh-web-fetch-local`，也不选择抓取提供方。共享 base 只将 `web_search` 设为 TUI、浏览器与无头会话的默认工具。显式搜索提供方 id 使选择不受注册顺序影响，同时个人覆盖层或 `--config` 覆盖层仍可替换或禁用这些配置项。
+
+DeepSeek 搜索使用与官方会话适配器相同的 `DEEPSEEK_API_KEY` 凭据引用。提供方在每次搜索内部通过可选的 `ctx.credentials` 服务解析该引用；只有未挂载该 seam 的组合才会回退到启动进程的环境变量，非空的 `apiKey` 字面值仍作为程序化配置的最后兜底。因此，由 Web 的 Models 页存储或轮换的密钥无需重启即可用于下一次搜索，提供方也无需保留该值。由于 `WebSearchProvider.available()` 是同步方法，它会将已安装解析器视为本地可用；若动态凭据缺失，操作会以提供方专属错误码 `WEB_PROVIDER_CREDENTIAL_MISSING` 失败，而稳定的工具 schema 仍保持注册。
+
+搜索端点与 chat completions 保持独立：`DEEPSEEK_SEARCH_BASE_URL` 覆盖 Anthropic 兼容基址，`DEEPSEEK_BASE_URL` 则继续配置会话请求。每次 `web_search` 都会发起一次辅助 DeepSeek Messages 调用，并携带原生搜索服务器工具。发出请求前一刻，提供方会向发起请求的 agent（智能体）会话追加仅用于日志的 LLM（大语言模型）请求事件 `web/deepseek-search-llm-request`，其中包含已解析端点、API 版本，以及不含密钥的精确 JSON 请求体。凭据预检仍留在提供方内部，并与调用方取消存在竞态；这两项关注点都不会扩展通用 Web seam 或凭据 seam。
+
+默认挂载不会创建 Web 专用权限策略。`web_search` 在 bash／文件系统沙箱及审批预设之外执行，并遵循 `dsh-tool-web` 的现有契约。组合不挂载 `web_fetch` 或本地抓取提供方，因此默认配置不会允许模型自行选择任意 URL 进行抓取。已交付部署的默认值本就是 `danger-full-access`；未来如果产品采取受限网络策略，必须添加 `tools/pre-execute` 策略或按能力限制网络访问，而不能暗示文件系统访问模式会管辖 Web 调用。
+
+## 考虑过的替代方案
+
+**仅挂载 `dsh-tool-web`。** 不予采纳：稳定的 schema 如果没有已注册提供方，每次默认调用都会失败。启用状态与后端可用性刻意分离，但已交付的默认配置必须提供其预期实现。
+
+**从 `cordis.yml` 读取 `$DSH_HOME/.env`，或将其提升到 `process.env`。** 不予采纳：凭据提供方拥有该文件，环境变量值是只读覆盖；提升后存储的密钥将无法轮换，还会绕过经审计的密钥边界。
+
+**在提供方加载时固定读取 `process.env.DEEPSEEK_API_KEY`。** 不予采纳：Web Models 页面通过 `ctx.credentials` 写入密钥；产品文档规定的首次运行路径必须保证下一次操作无需重启即可生效。
+
+**将 Web 工具保留在 `web.cordis.yml` 中。** 不予采纳：这会保留 TUI 与 Web／无头界面之间无法解释的工具清单差异。这些配置行并非界面特有，因此其唯一归属是 `base.cordis.yml`；[工具清单决策](2026-07-31-even-out-shipped-tool-rosters.md)记录了这一共享组合。
+
+**同时启用搜索和抓取。** 不予采纳：默认启用 `web_fetch` 会允许模型自行选择任意 URL，执行匿名出站 HTTP(S) 抓取。搜索负责发现信息；接受更广泛抓取范围的部署可以在覆盖层中选择启用 `dsh-web-fetch-local`，并将 `dsh-tool-web` 的 `fetch` 选项设为 `true`。
+
+## 后果
+
+每个已交付界面的原生模型请求都只会携带 `web_search` schema，以及仅用于搜索的提示词指引；Web／无头 Code Mode 通过 `run_code` 公开相同的搜索能力。该提示词要求模型使用返回的 snippet，且绝不会向模型提及已禁用的 `web_fetch` 工具。搜索会增加一次完整的辅助模型调用，并可能多次使用原生服务器工具；发起会话的日志仍可精确重建其不含密钥的请求。默认配置会提供搜索结果 snippet 与来源元数据，但不支持任意页面抓取；需要抓取完整页面的部署必须自行选择启用抓取。Web 快照通道会启动已交付配置树，使用本地 Messages fixture（测试前置数据），经由真实 DeepSeek 提供方驱动一次回放的 `web_search` 调用，断言持久化的辅助请求与结构化结果，并固定最终浏览器呈现。TUI/Web 组合冒烟测试固定了共享的 `web_search` 清单及不提供 `web_fetch` 这一事实；提供方测试固定缺失、已存储及已轮换凭据的行为，以及字面值与环境变量的兼容性。
diff --git a/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.i18n.yaml b/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.i18n.yaml
index 97793a906a..dd15a55a21 100644
--- a/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.md
-2026-07-31-web-telemetry-default-mount.md: 6c1fdaa8719ee01726b51db9a469ff659cbac476
-2026-07-31-web-telemetry-default-mount.zh.md: b447832527ba9731097cd0776060db11ee4dfc30
+2026-07-31-web-telemetry-default-mount.md: e9ec7d0cda37db44e753c9aee572763b7e24ada6
+2026-07-31-web-telemetry-default-mount.zh.md: 68b411d0668772ce81d7f323c2d286714a223ca4
diff --git a/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.md b/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.md
index 6c1fdaa871..e9ec7d0cda 100644
--- a/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.md
+++ b/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.md
@@ -35,5 +35,5 @@ The keyless integration test `apps/cli/tests/telemetry-web.e2e.ts` pins the depl
 ## Consequences
 
 - A developer running `dsh web` without a local collector POSTs to the production endpoint every 10s (silent failure when unreachable; no OTel diag logger is registered); local development sets `DSH_TELEMETRY_DISABLED=1` or points `DSH_TELEMETRY_OTLP_URL` locally.
-- **No redaction rule is mounted yet**: exports are the raw captured copy (full user/assistant message text, tool arguments and results, the system prompt, the local `session.cwd` path). Crossing a trust boundary requires `telemetry/record` rules first — the redaction rule, identity Resource attributes (hostname / anonymous user id / surface), and the usage-metrics track are the explicit follow-ups of this decision.
+- **No redaction rule is mounted yet**: exports are the raw captured copy (full user/assistant message text, tool arguments and results, the system prompt, the local `session.cwd` path). Crossing a trust boundary requires `telemetry/record` rules first — the redaction rule, the remaining identity Resource attributes (hostname / surface; the anonymous user id shipped via the [anonymous-user-id Note](2026-07-31-telemetry-anonymous-user-id.md)), and the usage-metrics track are the explicit follow-ups of this decision.
 - Test rigs reusing this tree (e.g. `apps/web/tests/scaffold.ts`) must explicitly disable the row, or fixture sessions stream to whatever collector the environment happens to name.
diff --git a/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.zh.md b/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.zh.md
index b447832527..68b411d066 100644
--- a/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.zh.md
+++ b/.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.zh.md
@@ -35,5 +35,5 @@ Status: implemented
 ## Consequences
 
 - 无本地 collector 的开发者跑 `dsh web` 会对生产 endpoint 每 10s 发一次 POST（联不通则静默失败，OTel diag logger 未注册）；本地开发设 `DSH_TELEMETRY_DISABLED=1` 或 `DSH_TELEMETRY_OTLP_URL` 指本地。
-- **当前零脱敏规则挂载**：导出即原始捕获副本（用户/助手消息全文、工具参数与结果、system prompt、`session.cwd` 本地路径）。跨信任边界前必须挂 `telemetry/record` 规则——脱敏规则、身份 Resource 维度（hostname/匿名 user id/surface）、使用数据 metrics 轨三件是本决策明确的后续工作。
+- **当前零脱敏规则挂载**：导出即原始捕获副本（用户/助手消息全文、工具参数与结果、system prompt、`session.cwd` 本地路径）。跨信任边界前必须挂 `telemetry/record` 规则——脱敏规则、其余身份 Resource 维度（hostname/surface；匿名 user id 已由[匿名用户 id Note](2026-07-31-telemetry-anonymous-user-id.md)落地）、使用数据 metrics 轨是本决策明确的后续工作。
 - 复用这棵树的测试载具（如 `apps/web/tests/scaffold.ts`）须显式关停该行，否则 fixture 会话会流向 env 里碰巧存在的 collector。
diff --git a/.agents/notes/implemented/process/2026-07-06-node-engine-floor.i18n.yaml b/.agents/notes/implemented/process/2026-07-06-node-engine-floor.i18n.yaml
index 2cb7f1009d..50d3e498a5 100644
--- a/.agents/notes/implemented/process/2026-07-06-node-engine-floor.i18n.yaml
+++ b/.agents/notes/implemented/process/2026-07-06-node-engine-floor.i18n.yaml
@@ -1,6 +1,6 @@
 # Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
-#   pnpm run verify-translation-pairing --write
-2026-07-06-node-engine-floor.md: f1754ea7ca32452a04c6cd8a0599568f602e47dd
-2026-07-06-node-engine-floor.zh.md: 9d376a639378d3a0b9b645aa36c1a5d320d1d147
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/process/2026-07-06-node-engine-floor.md
+2026-07-06-node-engine-floor.md: ef047d885a442106a35922f4716d2996d8a98ca7
+2026-07-06-node-engine-floor.zh.md: a0281addf7d4327d7f6ea30e3a3f0f40d6782bd0
diff --git a/.agents/notes/implemented/process/2026-07-06-node-engine-floor.md b/.agents/notes/implemented/process/2026-07-06-node-engine-floor.md
index f1754ea7ca..ef047d885a 100644
--- a/.agents/notes/implemented/process/2026-07-06-node-engine-floor.md
+++ b/.agents/notes/implemented/process/2026-07-06-node-engine-floor.md
@@ -10,7 +10,7 @@ The Node 22 branch of the root `engines.node` range is a contract for the instal
 
 ## Decision
 
-Set `engines.node` to `^22.19.0 || >=24.0.0` and test the keyless CI compatibility matrix on `['22.19', 24, 26]`. Every matrix leg runs the TypeScript typecheck plus a keyless source-mode worker smoke, so the floor is exercised through both a complete source typecheck and a real unbuilt runtime path. The real-API e2e workflow stays on Node 24 because it exercises API integration rather than the runtime floor.
+Set `engines.node` to `^22.19.0 || >=24.0.0` and test keyless CI on `['22.19', 24, 26]`. The primary Node 24 jobs own the complete typecheck and unit coverage inventory; every version runs focused source-worker, Zstandard, source-launch, and [jsdom storage](../testing/2026-07-30-vitest-jsdom-webstorage-ownership.md) smokes without repeating that inventory. The real-API e2e workflow stays on Node 24 because it exercises API integration rather than the runtime floor.
 
 Two Node features gate the source runtime:
 
@@ -24,7 +24,7 @@ Those source features clear on the 22.x line at **22.18**, but the installed Pi
 ## Consequences
 
 - The advertised LTS branch no longer undercuts the Pi adapter dependency floor.
-- CI proves the Node 22 LTS floor directly with Node 22.19, keeps the Node 24 branch on `node: 24`, and keeps Node 26 for the next even line; each leg typechecks the source graph and launches the unbuilt workflow worker for real.
+- CI proves the Node 22 LTS floor directly with Node 22.19, keeps primary coverage on `node: 24`, and exercises Node 26 as the next even line; focused compatibility smokes run on all three versions.
 - The built-bin smoke needs no version-conditional flag: at 22.19 type-stripping is already the default, so the test stays the plain `node lib/bin.js` path it documents.
 - A future dependency or source API that raises the runtime floor must move `engines.node`, the compatibility matrix, and this Agent Note in the same change.
 
diff --git a/.agents/notes/implemented/process/2026-07-06-node-engine-floor.zh.md b/.agents/notes/implemented/process/2026-07-06-node-engine-floor.zh.md
index 9d376a6393..a0281addf7 100644
--- a/.agents/notes/implemented/process/2026-07-06-node-engine-floor.zh.md
+++ b/.agents/notes/implemented/process/2026-07-06-node-engine-floor.zh.md
@@ -10,7 +10,7 @@ Status: implemented
 
 ## 决策
 
-将 `engines.node` 设为 `^22.19.0 || >=24.0.0`，并在 keyless CI 兼容性矩阵中测试 `['22.19', 24, 26]`。每条矩阵分支都运行 TypeScript 类型检查加一次 keyless 的源码模式 worker 冒烟测试，因此引擎下限通过完整的源码类型检查和真实的未构建运行时路径两条路径得到验证。真实 API 的 e2e 工作流保持在 Node 24 上，因为它验证的是 API 集成而非运行时下限。
+将 `engines.node` 设为 `^22.19.0 || >=24.0.0`，并在 `['22.19', 24, 26]` 上运行 keyless CI。主要的 Node 24 任务负责整套类型检查和单元测试覆盖率任务；三个版本均运行 source-worker、Zstandard、source-launch 和 [jsdom 存储](../testing/2026-07-30-vitest-jsdom-webstorage-ownership.md) 专项冒烟测试，不重复这套类型检查和覆盖率任务。真实 API 的 e2e 工作流保持在 Node 24 上，因为它验证的是 API 集成而非运行时下限。
 
 两个 Node 特性决定了源码运行时的门槛：
 
@@ -24,7 +24,7 @@ Status: implemented
 ## 后果
 
 - 宣传的 LTS 分支不再低于 Pi 适配器依赖的下限。
-- CI 通过 Node 22.19 直接验证 Node 22 LTS 下限，Node 24 分支保持 `node: 24`，Node 26 用于下一个偶数线；每条分支都对源码图执行类型检查，并实际启动未构建的工作流 worker。
+- CI 通过 Node 22.19 直接验证 Node 22 LTS 下限，将主要覆盖率任务保留在 `node: 24`，并用 Node 26 验证下一个偶数线；三个版本均运行聚焦的兼容性冒烟测试。
 - built-bin 冒烟测试无需版本条件标志：在 22.19 上类型剥离已是默认行为，因此测试保持其文档所述的纯 `node lib/bin.js` 路径。
 - 未来若依赖或源码 API 提高运行时下限，必须在同一变更中同步调整 `engines.node`、兼容性矩阵和本 Agent Note（agent 决策记录）。
 
diff --git a/.agents/notes/implemented/process/2026-07-20-gui-testing-system.i18n.yaml b/.agents/notes/implemented/process/2026-07-20-gui-testing-system.i18n.yaml
index 05d448c79b..deafb47f70 100644
--- a/.agents/notes/implemented/process/2026-07-20-gui-testing-system.i18n.yaml
+++ b/.agents/notes/implemented/process/2026-07-20-gui-testing-system.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/process/2026-07-20-gui-testing-system.md
-2026-07-20-gui-testing-system.md: 8c6dafb18fc207fc4eac780ba18e108267bc28b1
-2026-07-20-gui-testing-system.zh.md: 9a0de4bfa8fa2f8de55beef53bedde51649c5d9c
+2026-07-20-gui-testing-system.md: 4a1600bbef7ef795677a446228fcc279a4b53f39
+2026-07-20-gui-testing-system.zh.md: 2aa5d7f66783c69964cabf7eb18a018b54528a33
diff --git a/.agents/notes/implemented/process/2026-07-20-gui-testing-system.md b/.agents/notes/implemented/process/2026-07-20-gui-testing-system.md
index 8c6dafb18f..4a1600bbef 100644
--- a/.agents/notes/implemented/process/2026-07-20-gui-testing-system.md
+++ b/.agents/notes/implemented/process/2026-07-20-gui-testing-system.md
@@ -22,7 +22,7 @@ Cut along the architecture's natural test seams into three tiers, bottom-up:
 | 2 Object-layer orchestration | `Session`/`SessionManager`/`ConnectionController` (state machines and timing: stitching / dedup / paging / optimistic draft clearing / pendingBuffers / reconnect / backoff) | **The "event sequence in → snapshot out" golden path**: programmable fakes + deferreds controlling timing + fake timers controlling backoff | `packages/client/{runtime,connection}/tests/` |
 | 3 Assembled presentation | Built artifacts × the real client loader and plugin composition | App-owned semantic snapshots boot all eight built client plugins under jsdom for deterministic cross-plugin state changes; bare Playwright smoke separately proves the real browser/carrier boundary, with real-host cases self-skipping without a key; the keyless browser e2e lane disables the shipped model-adapter row and replays recorded session fixtures through `dsh-llm-replay` in the real in-process web assembly against conversation aria goldens ([web e2e lane](../testing/2026-07-24-web-gui-browser-e2e-lane.md), [required CI gate](../testing/2026-07-30-web-browser-snapshot-ci-gate.md)) | `apps/web/tests/*.snapshot.ts`, `apps/web/tests/smoke-{fixture,real}.e2e.ts`, `apps/web/tests/{replay-round-trip,seeded-history}.e2e.ts` |
 
-Inter-tier discipline: **each tier tests its own layer, upper tiers never re-test lower ones** — an app semantic snapshot pins only user-visible projection across the assembled plugin boundary, while Playwright smoke proves browser and carrier liveness; wire semantics belong to tier 1 and data semantics to tier 2. Pure-function layers (lineage/partial/notifier/fold-adapter) are tested directly with zero fakes in the same package's tests/ alongside tier 2.
+Inter-tier discipline: **each tier tests its own layer, upper tiers never re-test lower ones** — an app semantic snapshot pins only user-visible projection across the assembled plugin boundary, while Playwright smoke proves browser and carrier liveness; wire semantics belong to tier 1 and data semantics to tier 2. Pure-function layers (lineage/partial/notifier/transcript-adapter) are tested directly with zero fakes in the same package's tests/ alongside tier 2.
 
 - **Host and client source** are under the repo-wide per-file 100% coverage gate except the narrow browser-grade exclusions annotated in `vitest.config.ts`; component suites use per-file jsdom pragmas and Testing Library without changing Node suites.
 - **App-owned semantic snapshots** read built client bundles, execute them through the real loader, and drive only deterministic fixture hooks. They own stable visible state such as sidebar labels, breadcrumbs, and `document.title`, not CSS pixels or lower-layer state-machine details.
diff --git a/.agents/notes/implemented/process/2026-07-20-gui-testing-system.zh.md b/.agents/notes/implemented/process/2026-07-20-gui-testing-system.zh.md
index 9a0de4bfa8..2aa5d7f667 100644
--- a/.agents/notes/implemented/process/2026-07-20-gui-testing-system.zh.md
+++ b/.agents/notes/implemented/process/2026-07-20-gui-testing-system.zh.md
@@ -22,7 +22,7 @@ GUI 栈需要考虑多种应用形态，同应用形态内的不同运行环境
 | 2 对象层编排 | `Session`/`SessionManager`/`ConnectionController`（状态机与时序：缝合/去重/翻页/乐观清稿/pendingBuffers/重连/退避） | **「事件序列进→快照出」黄金路径**：可编程假体 + deferred 控时序 + fake timers 控退避 | `packages/client/{runtime,connection}/tests/` |
 | 3 组装呈现层 | 构建产物 × 真实 client loader 与插件组合 | 归应用所有的语义快照会在 jsdom 下启动全部 8 个已构建的 client 插件，以固定确定性的跨插件状态变化；独立使用 Playwright 裸库的冒烟测试负责验证真实浏览器/承载层边界，真 host 用例在无密钥时自行跳过；无密钥浏览器 e2e 车道会禁用交付配置中的模型适配器行，并通过 `dsh-llm-replay` 在真实进程内 web 组装中回放录制的会话 fixture，与会话区 aria 期望输出比对（[web e2e 车道](../testing/2026-07-24-web-gui-browser-e2e-lane.md)、[必需 CI 门禁](../testing/2026-07-30-web-browser-snapshot-ci-gate.md)） | `apps/web/tests/*.snapshot.ts`、`apps/web/tests/smoke-{fixture,real}.e2e.ts`、`apps/web/tests/{replay-round-trip,seeded-history}.e2e.ts` |
 
-层间纪律：**下层各测各的，上层不重测下层**：应用语义快照只固定组装后插件边界上的用户可见投影，Playwright 冒烟测试负责验证浏览器与承载层是否存活；wire 语义归 1 层，数据语义归 2 层。纯函数层（lineage/partial/notifier/fold-adapter）随 2 层同包 tests/ 零假体直测。
+层间纪律：**下层各测各的，上层不重测下层**：应用语义快照只固定组装后插件边界上的用户可见投影，Playwright 冒烟测试负责验证浏览器与承载层是否存活；wire 语义归 1 层，数据语义归 2 层。纯函数层（lineage/partial/notifier/transcript-adapter）随 2 层同包 tests/ 零假体直测。
 
 - **host 与 client 源码**均纳入全仓 per-file 100% 覆盖率门禁，仅排除 `vitest.config.ts` 中带注释的少量浏览器级例外；组件套件通过逐文件 jsdom pragma 和 Testing Library 运行，不会改变 Node 套件。
 - **归应用所有的语义快照**读取已构建的 client bundle，通过真实 loader 执行它们，并且只驱动确定性的 fixture 钩子。它们负责固定侧边栏标签、面包屑和 `document.title` 等稳定可见状态，而不固定 CSS 像素或下层状态机细节。
diff --git a/.agents/notes/implemented/process/2026-07-22-product-first-root-readme.i18n.yaml b/.agents/notes/implemented/process/2026-07-22-product-first-root-readme.i18n.yaml
new file mode 100644
index 0000000000..70c5ce5a90
--- /dev/null
+++ b/.agents/notes/implemented/process/2026-07-22-product-first-root-readme.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/process/2026-07-22-product-first-root-readme.md
+2026-07-22-product-first-root-readme.md: 32542a45019d64ed1826d4eb21e68c67c3c3d52e
+2026-07-22-product-first-root-readme.zh.md: 1c4d5fa53854bfcade9742da1fb74d9636909f84
diff --git a/.agents/notes/implemented/process/2026-07-22-product-first-root-readme.md b/.agents/notes/implemented/process/2026-07-22-product-first-root-readme.md
new file mode 100644
index 0000000000..32542a4501
--- /dev/null
+++ b/.agents/notes/implemented/process/2026-07-22-product-first-root-readme.md
@@ -0,0 +1,33 @@
+# Agent Note: Product-first root README
+
+Status: implemented
+
+English | [中文](2026-07-22-product-first-root-readme.zh.md)
+
+## Problem
+
+The root README is the repository's product front door. Its product-first structure and established voice remain useful, but concrete entry points and capability claims drift as the runtime grows. Rewriting sections whose facts remain correct increases the review surface and discards language that already works.
+
+## Decision
+
+The root README preserves its existing structure, order, and wording wherever the underlying fact remains correct. A refresh changes only stale claims and adds material needed to represent shipped surfaces; it does not use repository growth as a reason to reframe the whole page.
+
+A note before installation thanks internal testers, states that features and experience remain unfinished, and asks for direct reports of failures, confusion, and friction through the WeCom group. The existing development-stage statement identifies DeepSeek Harness as being in internal testing.
+
+The user-surface section adds the ACP automation server and Python/JSON-RPC SDK beside the existing Web, TUI, and headless entries. The installed TUI remains the single `dsh` command; the Web instructions build the active checkout before running `dsh web`, and custom or reused checkout paths stay explicit. These launch paths must remain executable through a real PTY and a production build/HTTP smoke, respectively. The capability paragraph keeps its compact inventory style while adding the shipped PTY, LSP, web, goal, planning, task, sandbox, approval, settings, credentials, session-query, and telemetry families and stating that compositions select subsets. One adjacent bullet records the authoritative-session-log rule because persistence, replay, queries, telemetry, and interfaces depend on it.
+
+Detailed package and service inventories remain at their owning documentation. The English and Chinese README sides share the same technical structure, while their community sections continue to point to the primary channel for each language audience. The documentation website keeps its separate user-guide landing page.
+
+## Alternatives considered
+
+**Rewrite the README around a new product narrative.** A complete rewrite can make every current surface prominent, but it replaces accurate, reviewed copy and creates unnecessary churn. Current facts fit the established product-first structure.
+
+**Present the repository as an SDK and package catalog.** This exposes implementation breadth immediately but makes a new reader reconstruct the product from package names. The package map and generated capability graph remain the authoritative inventories.
+
+**Use a long marketing page with screenshots, badges, and duplicated tutorials.** Rich media can demonstrate a stable product journey, but it ages separately from commands and source contracts. The root stays compact and links to runnable examples and owned guides.
+
+**Project the root README as the documentation website home page.** A single landing page avoids two narratives, but the website's user guide and the repository's product/developer front door have different navigation and maintenance needs.
+
+## Consequences
+
+Reviewers can distinguish factual refreshes from editorial rewrites, and future updates retain established wording unless its meaning becomes false or incomplete. The README must still change with affected commands, entry points, release-stage claims, or high-level capability families, while exhaustive detail remains linked rather than copied.
diff --git a/.agents/notes/implemented/process/2026-07-22-product-first-root-readme.zh.md b/.agents/notes/implemented/process/2026-07-22-product-first-root-readme.zh.md
new file mode 100644
index 0000000000..1c4d5fa538
--- /dev/null
+++ b/.agents/notes/implemented/process/2026-07-22-product-first-root-readme.zh.md
@@ -0,0 +1,33 @@
+# Agent Note: 产品优先的根 README
+
+Status: implemented
+
+[English](2026-07-22-product-first-root-readme.md) | 中文
+
+## 问题
+
+根 README 是仓库的产品入口。其产品优先的结构和既有语气仍然有效，但随着运行时不断扩展，具体入口和能力声明会逐渐陈旧。重写事实仍然正确的章节，会扩大评审范围，也会丢弃已经行之有效的措辞。
+
+## 决策
+
+只要背后的事实仍然正确，根 README 就保留既有结构、顺序和措辞。刷新时只修正陈旧声明，并补充呈现已交付内容所需的信息；不会因为仓库规模增长就重构整篇叙事。
+
+安装说明之前的一则文字感谢内测用户，说明功能和体验仍待完善，并邀请大家通过企业微信群直接反馈失败、困惑和不顺手之处。既有的开发阶段声明明确说明 DeepSeek Harness 处于内测阶段。
+
+用户入口章节在已有的 Web、TUI 和 Headless 入口旁补充 ACP（Agent Client Protocol）自动化服务器和 Python/JSON-RPC SDK。安装后的 TUI 仍只需执行一条 `dsh` 命令；Web 说明要求先构建当前检出，再运行 `dsh web`，并明确处理自定义或复用的检出路径。这两条启动路径必须分别能在真实 PTY 与生产构建／HTTP 冒烟中原样执行。能力段落沿用简洁清单的写法，补充已经交付的 PTY、LSP、Web、目标、规划、任务、沙箱、审批、设置、凭据、会话查询和遥测等能力类别，并说明不同组合只选用其中一部分。相邻的一条列表项说明权威会话日志规则，因为持久化、回放、查询、遥测和各类接口都依赖它。
+
+包（package）与服务的完整清单仍由各自的归属文档维护。中英文 README 采用相同的技术结构，但社区章节仍分别指向各自语言受众的主要交流渠道。文档网站继续使用独立的用户指南首页。
+
+## 考虑过的替代方案
+
+**围绕新的产品叙事重写 README。** 完整重写能够突出所有现有入口和能力，但也会替换准确且已经过评审的文案，造成不必要的变动。现有事实能够纳入既有的产品优先结构。
+
+**将仓库呈现为 SDK 和包清单。** 这样能立即展现实现广度，却会迫使新读者从包名反推出产品。包索引与生成的能力图仍是权威清单。
+
+**使用包含截图、徽章和重复教程的长篇营销页面。** 富媒体能够展示稳定的产品使用路径，但其内容会独立于命令和源码契约而逐渐陈旧。根 README 保持紧凑，并链接到可运行示例和各自维护的指南。
+
+**将根 README 投影为文档网站首页。** 使用同一个首页可以避免两套叙事，但文档网站的用户指南与仓库面向产品和开发者的入口在导航和维护需求上并不相同。
+
+## 结果
+
+评审者可以区分事实更新与编辑性重写；今后的更新会保留既有措辞，除非其含义已经不再正确或完整。受影响的命令、入口、发布阶段声明或高层能力类别发生变化时，README 仍须同步更新；完整细节则继续以链接方式提供，而不是复制到正文。
diff --git a/.agents/notes/implemented/process/2026-07-30-generated-third-party-notices.i18n.yaml b/.agents/notes/implemented/process/2026-07-30-generated-third-party-notices.i18n.yaml
new file mode 100644
index 0000000000..d65dae2802
--- /dev/null
+++ b/.agents/notes/implemented/process/2026-07-30-generated-third-party-notices.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/process/2026-07-30-generated-third-party-notices.md
+2026-07-30-generated-third-party-notices.md: e480954d29d5dc09ef8ecd4069059a1f0c8b1043
+2026-07-30-generated-third-party-notices.zh.md: 78ba7250e797c57048078d1b4f62b7a9a5d9d561
diff --git a/.agents/notes/implemented/process/2026-07-30-generated-third-party-notices.md b/.agents/notes/implemented/process/2026-07-30-generated-third-party-notices.md
new file mode 100644
index 0000000000..e480954d29
--- /dev/null
+++ b/.agents/notes/implemented/process/2026-07-30-generated-third-party-notices.md
@@ -0,0 +1,53 @@
+# Agent Note: Generated third-party notices
+
+Status: implemented
+
+English | [中文](2026-07-30-generated-third-party-notices.zh.md)
+
+## Problem
+
+Open-sourcing this repository requires disclosing the third-party software it depends on, with each project's license. The disclosure has to be complete, has to stay true as dependencies change, and has to say something a reader can act on — which of these packages end up on a user's machine, and which only build and test the repository.
+
+A hand-written inventory answers none of those durably. Roughly a hundred rows of names and license strings derived from manifests drift silently the moment a package is added, removed, or relicensed, and nothing would notice.
+
+## Decision
+
+[`THIRD_PARTY_NOTICES.md`](../../../../THIRD_PARTY_NOTICES.md) is generated by [`scripts/gen-third-party-notices.ts`](../../../../scripts/gen-third-party-notices.ts) from the workspace manifests, `vendor/README.md`, the `pyproject.toml` files, and `pnpm-workspace.yaml`. The root README pair links the file from its License section.
+
+**Freshness is maintained, not merely enforced.** A pre-commit job regenerates the file and stages it whenever a generator input is staged — any manifest, a workspace declaration, the root lock file, `vendor/README.md`, a `pyproject.toml`, the generator itself, or the script holding the build-time pin — so an unrelated dependency edit never has to come back and rerun a generator. The committed bytes are then asserted inside [`scripts/gen-third-party-notices.spec.ts`](../../../../scripts/gen-third-party-notices.spec.ts), which the test lane already runs — the check adds no gate process, no scheduler slot, and no separate CI step. `pnpm run verify-third-party-notices` remains available for a standalone check.
+
+One trigger gap is accepted rather than worked around: lefthook inspects only files present on disk, so **deleting** a manifest runs no job, and removing a package reaches the assertion in the test lane instead. Reconstructing the staged file list to include deletions was tried and does not work — lefthook filters the list against the working tree either way. The assertion is the backstop for exactly this case.
+
+The file discloses **direct** dependencies only. The complete npm closure with pinned versions already lives in `pnpm-lock.yaml` (`pnpm licenses list` renders it) and the Python closure in `python/sdk/uv.lock`; re-materializing either as prose would be a second, worse copy.
+
+**Tiering is by declaring area, not by manifest section.** A package is a runtime dependency when any manifest outside `DEV_ONLY_AREAS` — the root manifest, `packages/support/`, `packages/client/test-runtime/`, `website/`, `examples/`, `native/` — names it under `dependencies` or `optionalDependencies`. Section names alone are wrong in both directions: a test-support package declares `vitest` under `dependencies` without shipping it, and the `bin/dsh` launcher execs through `tsx`, which no manifest declares as a runtime dependency at all (the generator marks it runtime explicitly).
+
+The runtime tier deliberately covers **every mountable plugin**, not just what the CLI, Web UI, and Python runtime load by default. `scripts/install.sh` installs the repository itself, so a user's `cordis.yml` can mount any plugin package; `@modelcontextprotocol/sdk` and the OpenTelemetry packages reach real users even though no default assembly imports them. Under-disclosure is the costly direction for a legal notice.
+
+The manifest set is derived from the `packages:` members each `pnpm-workspace.yaml` declares — the root one and the nested Landlock workspace's — so a new member area is read the day it is declared rather than the day someone remembers to extend a list. License and repository metadata come from the installed pnpm stores, both the root one and the Landlock workspace's, so the generator requires an installed tree and fails loud when a package resolves to neither, rather than emitting an empty cell. `OVERRIDES` carries the packages whose published manifest cannot answer — Rust-built npm bins that omit `license`, and the `modelcontextprotocol/servers` packages whose repository is mid MIT→Apache-2.0 relicensing, so their effective terms are per-contribution. A runtime dependency whose license is not on the permissive list is a hard error: shipping copyleft is a distribution decision, not something a regenerated table may absorb silently. Vendored packages are cross-checked against `vendor/README.md` and rejected if any is not MIT, and `pnpm-workspace.yaml`'s `patchedDependencies` are listed under the runtime table because pnpm applies those patches at install time — shipped artifacts carry modified copies of `@earendil-works/pi-tui` and `node-pty`, and the patch files are the record of what changed.
+
+## Testing
+
+The same spec that asserts freshness pins the tiering rule against fixture manifests — including the two cases that motivate it, a `dependencies` entry of a test-support package and a plugin package no app mounts. It also pins the parsers against the shapes that would otherwise drop a package without a word: a `vendor/README.md` table that stops covering a vendored directory, a requirement array holding extras (`"httpx[http2]"`), a requirement with no version at all, an author-named `[dependency-groups]` table, and a workspace member area absent from any hardcoded list. Each of those is a silent-omission path, which is the failure mode a disclosure file cannot afford.
+
+## Alternatives considered
+
+**Keep the hand-written file and review it at release time.** Reviewing a hundred derived rows by eye is exactly the work a generator does correctly, and the file's own claim — that it lists every direct dependency — would be unverified between releases.
+
+**Verify through a dedicated `doc-sync` gate.** That is how every other generated artifact here is checked, and it was the first shape of this change. It costs a gate process and a scheduler slot in a matrix that is already long, and — worse — its only failure mode is telling a contributor, minutes after they pushed an unrelated dependency bump, to go rerun a generator. Regenerating at commit time removes the interruption, and the assertion inside a spec the test lane already runs keeps the guarantee at no additional CI cost.
+
+**Enumerate the full transitive closure.** The closure is thousands of packages, already recorded in the lock files with exact versions, and would bury the direct dependencies that a reader actually evaluates. The file points at the lock files and the `pnpm licenses list` renderer instead.
+
+**Tier by manifest section (`dependencies` vs `devDependencies`).** Mechanically simple and wrong on real data in both directions, as the tiering paragraph above records.
+
+**Tier by reachability from the shipped assemblies only** (`apps/*` plus `python/sdk-runtime`). This produces a tighter runtime tier, but classifies the MCP client and the OpenTelemetry exporter as development-only even though a user running the installed repository can mount them. It understates the disclosure, which is the wrong direction to err for a legal notice.
+
+**Emit the notices as a bilingual pair.** Every other root document is paired, but the file is a table of upstream package names, SPDX identifiers, and URLs; the translatable surface is a handful of section blurbs. `scripts/translation-pairing.ts` scopes discovery to `README*`, `.agents/notes/**`, `docs/**`, and `python/**`, so a root non-README file is outside the bilingual corpus by construction, and the README pair carries the bilingual entry points into it.
+
+## Consequences
+
+A dependency edit now carries a regenerated notices file into the same commit. Contributors pay one generator run — about a second — on commits that touch a manifest, and nothing on any other commit. Committing with hooks disabled defers the cost to a test-lane failure that names the command.
+
+The generator needs an installed tree, which makes it heavier than a pure-source generator, and a new package with unusable published metadata needs an `OVERRIDES` entry rather than silently rendering a blank license. Both failures are loud and name the remedy.
+
+The tiering rule is a policy encoded in one constant. Adding a workspace area that never ships — a second test-infrastructure tier, another site — requires extending `DEV_ONLY_AREAS`, or its dependencies will be disclosed as runtime.
diff --git a/.agents/notes/implemented/process/2026-07-30-generated-third-party-notices.zh.md b/.agents/notes/implemented/process/2026-07-30-generated-third-party-notices.zh.md
new file mode 100644
index 0000000000..78ba7250e7
--- /dev/null
+++ b/.agents/notes/implemented/process/2026-07-30-generated-third-party-notices.zh.md
@@ -0,0 +1,53 @@
+# Agent Note: Generated third-party notices
+
+Status: implemented
+
+[English](2026-07-30-generated-third-party-notices.md) | 中文
+
+## Problem
+
+本仓库开源需要披露所依赖的第三方软件及各自的许可证。这份披露必须完整，必须随依赖变化保持为真，还必须给出读者用得上的信息：哪些包最终会进到用户机器上，哪些只用于构建和测试。
+
+手写清单无法长期满足其中任何一条。约一百行从各清单文件推导出来的包名与许可证标识，只要有依赖新增、移除或换用许可证就会悄悄失真，而没有任何检查会察觉。
+
+## Decision
+
+[`THIRD_PARTY_NOTICES.md`](../../../../THIRD_PARTY_NOTICES.md) 由 [`scripts/gen-third-party-notices.ts`](../../../../scripts/gen-third-party-notices.ts) 依据各工作区清单、`vendor/README.md`、`pyproject.toml` 与 `pnpm-workspace.yaml` 生成。根 README 双语两侧都从「许可证」一节链到该文件。
+
+**新鲜度靠维护而非拦截。** 只要暂存了生成器的任一输入——任何清单文件、工作区声明、根锁文件、`vendor/README.md`、某个 `pyproject.toml`、生成器自身，或持有构建期 pin 的脚本——pre-commit 任务就会重新生成并一并入库，改依赖的人不必事后再折返跑一次生成器。已提交的字节随后由 [`scripts/gen-third-party-notices.spec.ts`](../../../../scripts/gen-third-party-notices.spec.ts) 断言，而测试 lane 本就会跑这个文件——这项校验不增加门禁进程、不占调度位、也不新增 CI 步骤。需要单独校验时，`pnpm run verify-third-party-notices` 仍然可用。
+
+有一处触发缺口是接受而非绕过的：lefthook 只检视磁盘上存在的文件，因此**删除**清单文件不会触发任何任务，移除一个包会落到测试 lane 的断言上。重构暂存文件列表以纳入删除的做法试过，不成立——无论怎么给列表，lefthook 都会拿工作树过滤一遍。这个场景正由断言兜底。
+
+文件只披露**直接**依赖。完整的 npm 闭包连同锁定版本已记录在 `pnpm-lock.yaml`（`pnpm licenses list` 可渲染），Python 闭包记录在 `python/sdk/uv.lock`；再用散文誊一遍只会得到一份更差的副本。
+
+**分层依据是声明方所在区域，而非清单字段名。** 只要 `DEV_ONLY_AREAS` 之外的任一清单——即根清单、`packages/support/`、`packages/client/test-runtime/`、`website/`、`examples/`、`native/` 之外——在 `dependencies` 或 `optionalDependencies` 里点名某个包，它就是运行时依赖。单看字段名在两个方向上都会出错：测试支撑包把 `vitest` 写在 `dependencies` 里却并不交付它；而 `bin/dsh` 启动器 exec 经过的 `tsx`，根本没有任何清单把它声明为运行时依赖，只能由生成器显式标记。
+
+运行时层刻意覆盖**所有可挂载的插件**，而不止 CLI、Web UI 与 Python 运行时默认加载的那些。`scripts/install.sh` 安装的就是仓库本身，用户的 `cordis.yml` 可以挂载任何插件包；`@modelcontextprotocol/sdk` 与 OpenTelemetry 系列即使没有任何默认装配引入，也会触达真实用户。对法务披露而言，披露不足才是代价更高的那个方向。
+
+清单集合由两个 `pnpm-workspace.yaml`——根工作区与嵌套的 Landlock 工作区——各自声明的 `packages:` 成员派生，因此新增成员区域在声明当天就会被读取，而不必等谁想起来去补一份列表。许可证与仓库地址取自已安装的 pnpm store，根 store 与 Landlock 工作区的 store 都会查；某个包两处都解析不到时直接失败，而不是留下空单元格。`OVERRIDES` 收录已发布清单答不上来的包：用 Rust 构建、发布时省略 `license` 字段的 npm 可执行包，以及 `modelcontextprotocol/servers` 系列——该仓库正处在 MIT 向 Apache-2.0 的重新许可过程中，实际条款按贡献逐条而定。运行时依赖的许可证若不在宽松清单内即为硬失败：交付 copyleft 是一项分发决策，不该被一次重新生成悄悄吸收。被源码收编的包会与 `vendor/README.md` 交叉核对，出现非 MIT 即报错；`pnpm-workspace.yaml` 的 `patchedDependencies` 列在运行时表格之后，因为 pnpm 在安装期就会打上这些补丁——交付产物携带的是改动过的 `@earendil-works/pi-tui` 与 `node-pty`，补丁文件本身就是改动的完整记录。
+
+## Testing
+
+断言新鲜度的同一个 spec 也用夹具清单钉住分层规则，覆盖促成该规则的两个场景：测试支撑包的 `dependencies` 条目，以及没有任何应用挂载的插件包。它还把各解析器钉在那些原本会让某个包无声消失的形态上：不再覆盖全部收编目录的 `vendor/README.md` 表、含 extras 的依赖数组（`"httpx[http2]"`）、完全不带版本的依赖、作者自取名字的 `[dependency-groups]` 表，以及任何硬编码列表都不含的工作区成员区域。这些都是静默漏报路径——正是披露文件最担不起的失败方式。
+
+## Alternatives considered
+
+**保留手写文件，发版时人工过一遍。** 用肉眼审阅上百行推导数据，恰恰是生成器能做对的活；而且在两次发版之间，文件自称「列出全部直接依赖」这句话无人验证。
+
+**用专门的 `doc-sync` 门禁校验。** 仓库里其他生成产物都是这么把关的，本次改动最初也是这个形态。但它要在本已冗长的矩阵里再占一个门禁进程和一个调度位；更糟的是，它唯一的失败方式，就是在别人推完一个无关的依赖升级几分钟后，通知对方回去重跑一次生成器。改为提交时重新生成消除了这次打断，而把断言放进测试 lane 本就会跑的 spec 里，则以零额外 CI 成本保住了这项保证。
+
+**列出完整传递闭包。** 闭包有数千个包，锁文件里已带精确版本，铺开只会淹没读者真正要评估的直接依赖。文件转而指向锁文件与 `pnpm licenses list`。
+
+**按清单字段分层（`dependencies` 与 `devDependencies`）。** 机械上最省事，但在真实数据上两个方向都会出错，理由见上文分层段落。
+
+**只按已交付装配的可达性分层**（`apps/*` 加 `python/sdk-runtime`）。这样得到的运行时层更紧凑，但会把 MCP 客户端与 OpenTelemetry 导出器判为仅开发用途——而运行已安装仓库的用户完全可以挂载它们。这会低估披露，对法务通告来说错在了更危险的一侧。
+
+**把披露文件做成双语对。** 其他根文档都是成对的，但这份文件是上游包名、SPDX 标识与网址构成的表格，可翻译的只有寥寥几段章节导语。`scripts/translation-pairing.ts` 的发现范围限定在 `README*`、`.agents/notes/**`、`docs/**` 与 `python/**`，根目录下的非 README 文件在构造上就不属于双语语料；双语入口由 README 对承担。
+
+## Consequences
+
+此后改动依赖时，重新生成的披露文件会随同一个提交入库。触及清单文件的提交多付一次生成器运行——约一秒；其余提交不受影响。若禁用钩子提交，代价推迟为一次测试 lane 失败，其报错会指明补救命令。
+
+生成器需要已安装的工作树，因此比纯源码生成器更重；发布元数据不可用的新包需要补一条 `OVERRIDES`，而不是默默渲染出空白许可证。这两类失败都会明确报错并指出补救方式。
+
+分层规则是编码在一个常量里的政策。若新增了不参与交付的工作区区域——第二层测试基础设施、另一个站点——就要同步扩展 `DEV_ONLY_AREAS`，否则其依赖会被当作运行时依赖披露出去。
diff --git a/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.i18n.yaml b/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.i18n.yaml
index e3f93ba1f6..e59fbb8ef7 100644
--- a/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.i18n.yaml
+++ b/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.md
-2026-06-20-public-agent-stop-surface.md: 95c00f886360b94584f17c4221e0795be8ec1a61
-2026-06-20-public-agent-stop-surface.zh.md: 983833b53c123d0e384ad1d356808c6ca2f37edc
+2026-06-20-public-agent-stop-surface.md: e9c713c7ba8c784d3d66fe8f391e1b197f7394d2
+2026-06-20-public-agent-stop-surface.zh.md: 14fa3c985e03fe97761b0df6e3b3582b29f2ffd8
diff --git a/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.md b/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.md
index 95c00f8863..e9c713c7ba 100644
--- a/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.md
+++ b/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.md
@@ -8,15 +8,15 @@ English | [中文](2026-06-20-public-agent-stop-surface.zh.md)
 
 ## Problem
 
-The public `Agent` handle exposed two overlapping ways to stop in-flight work: step-only `abort()` and queue-aware `cancel()`. The former preserved queued input while the latter clears queued and steering work and aborts the active turn. In production, ACP uses `cancel()` for `session/cancel`, while lifecycle owners tear down agents through `AgentHandle.dispose()`. No production caller needs a bare step-only abort.
+The public `Agent` handle exposed two overlapping ways to stop in-flight work: step-only `abort()` and queue-aware `cancel()`. The former preserved queued input while the latter originally only exposed its broad default, which clears queued and steering work while aborting the active turn. `cancel(cause, { keepInbox: true })` now covers the production Web stop policy without exposing the private turn holder; ACP retains broad cancellation, while lifecycle owners tear down agents through `AgentHandle.dispose()`. No production caller needs a bare step-only abort.
 
-The behavioral distinction is real, but no shipping code needs the narrower operation. AgentLoop instead owns one private cancellation holder for the whole turn. `cancel(cause?)` carries a typed `user` or `parent` cause, defaults to `user`, and drops pending input; disposal remains a separate lifecycle interruption. The complete ownership and propagation contract lives in the [explicit turn cancellation RFC](../architecture/2026-07-16-explicit-turn-cancellation.md).
+The behavioral distinction is real, but no shipping code needs a separate narrower verb. AgentLoop owns one private cancellation holder for the whole turn. `cancel(cause, options?)` carries an explicit typed `user` or `parent` cause; its broad default drops pending input, while `keepInbox` preserves pending work for later turns. Disposal remains a separate lifecycle interruption. The complete ownership and propagation contract lives in the [explicit turn cancellation RFC](../architecture/2026-07-16-explicit-turn-cancellation.md).
 
-The extra surface area made the loop carry a public verb that is mostly a teardown internal: `abort()` had to be documented as distinct from queue-aware cancellation even though a UI cancellation almost always wants the broader operation.
+The extra surface area made the loop carry a public verb that was mostly a teardown internal. An options-bearing `cancel()` expresses caller policy without exposing a second holder-shaped operation.
 
 ## Decision
 
-`cancel()` is the only public *stop* primitive on `Agent`. Lifecycle owners use `AgentHandle.dispose()` to stop and unregister an agent; non-owners use `cancel()` to abandon current and queued work. The implementation keeps a private turn cancellation holder, but it is not part of the plugin-facing `Agent` contract.
+`cancel()` is the only public *stop* primitive on `Agent`. Lifecycle owners use `AgentHandle.dispose()` to stop and unregister an agent; non-owners use broad `cancel()` to abandon current and queued work or `keepInbox` to abort the active turn while retaining pending work. The implementation keeps a private turn cancellation holder, but it is not part of the plugin-facing `Agent` contract. The [Web stop decision](../bug-fix/2026-07-31-web-stop-preserves-queue.md) is the production `keepInbox` consumer.
 
 `whenIdle()` is **retained** as the public quiescence-observation primitive (resolve once the agent settles out of `running`, resolve immediately when already idle, await the loop exit when disposed). It is not a stop verb; it is how a non-owner observes the stop *completing* without disposing the agent. Its live consumers are ACP and agent tests that await settlement through this public seam (`packages/acp/acp/tests`, `packages/core/agent-loop/tests`); the production ACP bridge owns its agents and tears them down through `AgentHandle.dispose()`, so `packages/acp/acp/src` itself has no `whenIdle()` call.
 
@@ -28,11 +28,11 @@ Public `abort()` is absent, and the disposer remains async and waits for the loo
 
 ## Verification
 
-`Agent` exposes no public `abort()` while `cancel()`, `whenIdle()`, and `steer()` remain; ACP cancellation calls `cancel()`; teardown awaits quiescence through handle disposal, with `whenIdle()` resolving on quiescence for non-owner observers; and the suites cover cancellation and disposal as the two supported stop paths.
+`Agent` exposes no public `abort()` while `cancel()`, `whenIdle()`, and `steer()` remain; ACP cancellation calls broad `cancel()`, Web stop calls `cancel(..., { keepInbox: true })`, and teardown awaits quiescence through handle disposal. `whenIdle()` resolves on quiescence for non-owner observers, and the suites cover cancellation and disposal as the two supported stop paths.
 
 ## Consequences
 
-A future plugin cannot abort only the current model/tool step while preserving queued prompts through the public interface. If that use case becomes real, it should return with a named consumer and a narrower contract. Today it is latent generality that keeps a private loop mechanic public.
+A plugin can abort the active turn while preserving queued prompts through `keepInbox`, but it cannot abort only one model/tool step while leaving that turn running. A step-only use case would need a named consumer and a narrower contract; exposing the private loop mechanic remains unjustified.
 
 ## Related
 
diff --git a/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.zh.md b/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.zh.md
index 983833b53c..14fa3c985e 100644
--- a/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.zh.md
+++ b/.agents/notes/implemented/simplification/2026-06-20-public-agent-stop-surface.zh.md
@@ -8,15 +8,15 @@ Status: implemented
 
 ## 问题
 
-公共 `Agent` handle 暴露了两种相互重叠的在途工作停止方式：仅针对步骤的 `abort()` 和感知队列的 `cancel()`。前者保留已排队输入，后者则清除已排队和 steering（中途引导）工作，并中止活动轮次。在生产中，ACP（Agent Client Protocol）对 `session/cancel` 使用 `cancel()`，生命周期拥有者则通过 `AgentHandle.dispose()` 拆除 agent（智能体）。没有生产调用方需要一个裸的、仅针对步骤的 abort。
+公共 `Agent` handle 暴露了两种相互重叠的在途工作停止方式：仅针对步骤的 `abort()` 和感知队列的 `cancel()`。前者保留已排队输入，后者原本只暴露广义默认行为，该行为会清除已排队和 steering（中途引导）工作，同时中止活动轮次。`cancel(cause, { keepInbox: true })` 现在无需暴露私有轮次 holder 即可覆盖生产环境的 Web 停止策略；ACP 保留广义取消，生命周期拥有者则通过 `AgentHandle.dispose()` 拆除 agent（智能体）。没有生产调用方需要一个裸的、仅针对步骤的 abort。
 
-行为差异确实存在，但已发布代码不需要较窄的操作。AgentLoop 改为为整个轮次拥有一个私有取消 holder。`cancel(cause?)` 携带类型化的 `user` 或 `parent` 原因，默认为 `user`，并丢弃待处理输入；释放仍是单独的生命周期中断。完整的归属与传播契约位于[显式轮次取消 Agent Note（agent 决策记录）](../architecture/2026-07-16-explicit-turn-cancellation.md)。
+行为差异确实存在，但已发布代码不需要独立的更窄动词。AgentLoop 为整个轮次拥有一个私有取消 holder。`cancel(cause, options?)` 携带显式且类型化的 `user` 或 `parent` 原因；其广义默认行为丢弃待处理输入，`keepInbox` 则为后续轮次保留待处理工作。资源释放仍是单独的生命周期中断。完整的归属与传播契约位于[显式轮次取消 Agent Note（agent 决策记录）](../architecture/2026-07-16-explicit-turn-cancellation.md)。
 
-多余的公开接口使得循环不得不承载一个本质上属于内部拆卸的公开动词：`abort()` 必须被文档描述为有别于队列感知的取消，尽管 UI 取消几乎总是需要更广泛的操作。
+多余的公开接口使循环承载了一个本质上属于内部拆卸的公开动词。带选项的 `cancel()` 可以表达调用方策略，而无需暴露第二个 holder 形态的操作。
 
 ## 决策
 
-`cancel()` 是 `Agent` 上唯一的公共*停止*原语。生命周期拥有者使用 `AgentHandle.dispose()` 停止并注销 agent；非拥有者使用 `cancel()` 放弃当前和已排队工作。实现保留一个私有轮次取消 holder，但它不属于面向插件的 `Agent` 契约。
+`cancel()` 是 `Agent` 上唯一的公共*停止*原语。生命周期拥有者使用 `AgentHandle.dispose()` 停止并注销 agent；非拥有者使用广义 `cancel()` 放弃当前和已排队工作，或使用 `keepInbox` 中止活动轮次并保留待处理工作。实现保留一个私有轮次取消 holder，但它不属于面向插件的 `Agent` 契约。[Web 停止决策](../bug-fix/2026-07-31-web-stop-preserves-queue.md)是生产环境中的 `keepInbox` 消费方。
 
 `whenIdle()` **保留**为公开的完全停稳观测原语（agent 从 `running` 状态稳定后 resolve，已处于 idle 时立即 resolve，dispose 后等待循环退出）。它不是停止动词；它是非所有者在不 dispose agent 的前提下观测停止*完成*的方式。它的活跃消费方是 ACP 和通过此公开 seam 等待结算的 agent 测试（`packages/acp/acp/tests`、`packages/core/agent-loop/tests`）；生产环境的 ACP 桥接层拥有其 agent 并通过 `AgentHandle.dispose()` 销毁它们，因此 `packages/acp/acp/src` 本身没有 `whenIdle()` 调用。
 
@@ -28,11 +28,11 @@ Status: implemented
 
 ## 验证
 
-`Agent` 不再暴露公开的 `abort()`，而 `cancel()`、`whenIdle()` 和 `steer()` 保留；ACP 取消调用 `cancel()`；拆卸通过 handle disposal 等待完全停稳，`whenIdle()` 在完全停稳时为非所有者观测者 resolve；测试套件覆盖取消和 disposal 作为两条受支持的停止路径。
+`Agent` 不再暴露公开的 `abort()`，而 `cancel()`、`whenIdle()` 和 `steer()` 保留；ACP 取消调用广义 `cancel()`，Web 停止调用 `cancel(..., { keepInbox: true })`，拆卸则通过 handle disposal 等待完全停稳。`whenIdle()` 在完全停稳时为非所有者观测者 resolve；测试套件覆盖取消和资源释放这两条受支持的停止路径。
 
 ## 后果
 
-未来的插件无法通过公开接口仅中止当前模型/工具步骤而保留队列中的提示词。如果该用例变为现实需求，它应当带着一个具名消费方和更窄的契约回归。目前它是将私有循环机制保持公开的潜在泛化。
+插件可以通过 `keepInbox` 在保留已排队提示词的同时中止活动轮次，但不能只中止某一个模型／工具步骤而让该轮次继续运行。仅步骤用例需要具名消费方和更窄契约；暴露私有循环机制仍缺乏正当理由。
 
 ## 相关
 
diff --git a/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.i18n.yaml b/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.i18n.yaml
index 0604e8e8bc..b4df206f13 100644
--- a/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.i18n.yaml
+++ b/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.md
-2026-07-28-remove-synthetic-log-only-turns.md: eebb4bcfe42ca8aecac01a86e9d0c265ce57cfec
-2026-07-28-remove-synthetic-log-only-turns.zh.md: a6278316ec4c946c51829d585f2854bd8aed4e13
+2026-07-28-remove-synthetic-log-only-turns.md: 720aa6bbe246ea960a61f6d6f67d36d1f85af08a
+2026-07-28-remove-synthetic-log-only-turns.zh.md: 587165a58ae322192b9ed1a9b3312f61e0b21ce6
diff --git a/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.md b/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.md
index eebb4bcfe4..720aa6bbe2 100644
--- a/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.md
+++ b/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.md
@@ -18,11 +18,11 @@ The generic seam also duplicated domain policy. Its marker map said which plugin
 
 Core session invariants continue to enforce core-owned execution relations: turn and step numbering, enclosure of steering, assistant, tool, todo, and request-header events, and same-step tool call/result pairing. Core permits merge-extensible events between turns because only their declaring plugin knows whether they are execution-scoped or standalone. Plugin invariant companions remain responsible for their own event relations.
 
-The title service appends `session/title` directly after its existing service, revision, cancellation, and live-session checks. The bundled model helper appends its literal `session/title-llm-request` record before dispatch. Persistence observes both through the eager `session/event` path and drains them at ordinary checkpoints and lifecycle teardown; neither append forces a flush merely because it is between turns. A fallback, auxiliary request record, or accepted provider title may therefore appear after `turn/end` and before the next `turn/start`.
+The title service appends `session/title` directly after its existing service, revision, cancellation, and live-session checks. The bundled model helper appends its literal `session/title-llm-request` record before dispatch. Persistence observes both through the eager `session/event` path and drains them at ordinary checkpoints and lifecycle teardown; neither append forces a flush merely because it is between turns. A fallback, auxiliary request record, or accepted provider title may therefore appear after `turn/end` and before the next `turn/start`. Manual compaction uses the same between-turn capability for a `compact/* { turn: null }` bracket, but explicitly flushes the closed attempt because `/compact` promises durability before releasing queued prompt admission.
 
 A session fork may end at any stable event position outside an open turn, not only at `turn/end`. This preserves standalone title and other plugin-owned log-only records in a default fork while still rejecting a prefix cut through active execution.
 
-The historical [universal turn-enclosure decision](../../archived/architecture/2026-06-15-turn-enclosure-invariant.md) remains useful only as the reason the synthetic mechanism was introduced. The [context-injection decision](../architecture/2026-07-24-separate-context-injection-from-turn-execution.md) established the current meaning: one turn represents one model-loop execution.
+The historical [universal turn-enclosure decision](../../archived/architecture/2026-06-15-turn-enclosure-invariant.md) remains useful only as the reason the synthetic mechanism was introduced. The [context-injection decision](../architecture/2026-07-24-separate-context-injection-from-turn-execution.md) established the current meaning: one turn represents one model-loop execution. The [queued manual compaction decision](../feature/2026-07-30-queued-manual-compaction.md) applies that rule to a durable multi-event bracket and owns its marker and admission semantics.
 
 ## Alternatives considered
 
@@ -36,8 +36,8 @@ The historical [universal turn-enclosure decision](../../archived/architecture/2
 
 ## Verification
 
-Core invariant tests accept an unknown plugin event between turns while continuing to reject built-in execution events there. Hook, compaction, plan-mode, Code Mode dispatch, and approval invariant companions replay existing logs and reject the same execution-scoped events before commit when no turn is open. Session-title service tests pin one direct fallback event under concurrent refresh, detached-session rejection, and newest-revision acceptance. JSONL and SQLite round trips preserve a title appended after `turn/end` through the persistence lifecycle drain, and fork tests retain a standalone log-only tail while rejecting boundaries inside an open turn. A keyless assembled ACP snapshot delays the model-backed title until after `turn/end` and pins one standalone provider title with no synthetic turn. Generated API and type-equivalence catalogs contain no removed symbol.
+Core invariant tests accept an unknown plugin event between turns while continuing to reject built-in execution events there. Hook, plan-mode, Code Mode dispatch, and approval invariant companions reject their execution-scoped events when no turn is open; the compaction companion separately accepts a balanced `turn: null` manual bracket between turns and requires numeric owners to match an open turn. Session-title service tests pin one direct fallback event under concurrent refresh, detached-session rejection, and newest-revision acceptance. JSONL and SQLite round trips preserve a title appended after `turn/end` through the persistence lifecycle drain, and fork tests retain a standalone log-only tail while rejecting boundaries inside an open turn. A keyless assembled ACP snapshot delays the model-backed title until after `turn/end` and pins one standalone provider title with no synthetic turn. Generated API and type-equivalence catalogs contain no removed symbol.
 
 ## Consequences
 
-Turn counts and outcomes again describe model-loop executions only. Standalone events consume session seqs, start eager persistence like every other append, and require owners to request an explicit durability barrier only when their operation promises one. Generic plugin mistakes no longer fail under a core default enclosure rule, so each plugin that needs an execution relation must state and test that relation itself. The title capability keeps revision ordering and lifecycle persistence with less core state, no duplicate type seam, and no turn-number collision.
+Turn counts and outcomes again describe model-loop executions only. Standalone events and manual compaction brackets consume session seqs without consuming a turn number, start eager persistence like every other append, and require owners to request an explicit durability barrier only when their operation promises one. Generic plugin mistakes no longer fail under a core default enclosure rule, so each plugin that needs an execution relation must state and test that relation itself. The title capability keeps revision ordering and lifecycle persistence with less core state, and manual compaction gains durable control with no synthetic-turn or turn-number collision.
diff --git a/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.zh.md b/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.zh.md
index a6278316ec..587165a58a 100644
--- a/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.zh.md
+++ b/.agents/notes/implemented/simplification/2026-07-28-remove-synthetic-log-only-turns.zh.md
@@ -18,11 +18,11 @@ Status: implemented
 
 核心会话不变量继续强制核心所属的执行关系：轮次与步骤编号、steering、助手、工具、待办和请求头事件的封闭，以及同一步骤内的工具调用／结果配对。核心允许可合并扩展事件位于轮次之间，因为只有声明它们的插件知道这些事件受执行作用域约束，还是可以独立存在。插件的不变量配套组件仍负责其自身的事件关系。
 
-标题服务会在完成既有的服务状态、修订、取消和实时会话检查后，直接追加 `session/title`。随附模型辅助函数会在发起调用前追加其字面量 `session/title-llm-request` 记录。持久化通过尽快处理的 `session/event` 路径观察两者，并在常规检查点与生命周期 teardown 时排空；二者都不会仅因为位于轮次之间就强制 flush。因此，回退标题、辅助请求记录或已接受的提供方标题可以出现在 `turn/end` 之后、下一个 `turn/start` 之前。
+标题服务会在完成既有的服务状态、修订、取消和实时会话检查后，直接追加 `session/title`。随附模型辅助函数会在发起调用前追加其字面量 `session/title-llm-request` 记录。持久化通过尽快处理的 `session/event` 路径观察两者，并在常规检查点与生命周期 teardown 时排空；二者都不会仅因为位于轮次之间就强制 flush。因此，回退标题、辅助请求记录或已接受的提供方标题可以出现在 `turn/end` 之后、下一个 `turn/start` 之前。手动压缩（compaction）利用同一项轮次间能力记录 `compact/* { turn: null }` 标记对，但会显式 flush 已闭合的尝试，因为 `/compact` 承诺在释放排队提示词接纳预留前完成持久化。
 
 会话 fork 可以结束于开放轮次之外的任意稳定事件位置，而不限于 `turn/end`。这样，默认 fork 会保留独立标题和其他插件所属的纯日志记录，同时仍拒绝在活跃执行过程中截断前缀。
 
-历史上的[通用轮次封闭决策](../../archived/architecture/2026-06-15-turn-enclosure-invariant.md)如今只适合用于解释为何曾引入合成机制。[上下文注入决策](../architecture/2026-07-24-separate-context-injection-from-turn-execution.md)确立了当前语义：一个轮次表示一次模型循环执行。
+历史上的[通用轮次封闭决策](../../archived/architecture/2026-06-15-turn-enclosure-invariant.md)如今只适合用于解释为何曾引入合成机制。[上下文注入决策](../architecture/2026-07-24-separate-context-injection-from-turn-execution.md)确立了当前语义：一个轮次表示一次模型循环执行。[排队手动压缩决策](../feature/2026-07-30-queued-manual-compaction.md)将该规则应用于持久多事件标记对，并拥有其标记与接纳语义。
 
 ## 曾考虑的替代方案
 
@@ -36,8 +36,8 @@ Status: implemented
 
 ## 验证
 
-核心不变量测试会接受轮次之间的未知插件事件，同时继续拒绝位于该处的内置执行事件。钩子、压缩（compaction）、plan-mode、Code Mode 分发和审批的不变量配套组件会回放既有日志，并在没有开放轮次时，于提交前拒绝相同的执行作用域事件。会话标题服务测试会在并发刷新、会话脱离拒绝和最新修订接受场景下，固定一个直接追加的回退事件。JSONL 和 SQLite 往返测试会通过持久化生命周期排空保留追加在 `turn/end` 之后的标题；fork 测试会保留独立纯日志尾部，同时拒绝位于开放轮次内的边界。一个无密钥、经完整组装的 ACP（Agent Client Protocol）快照会将模型生成的标题延迟到 `turn/end` 之后，并固定一个不含合成轮次的独立提供方标题。生成的 API 和类型等价性目录不含任何已移除符号。
+核心不变量测试会接受轮次之间的未知插件事件，同时继续拒绝位于该处的内置执行事件。钩子、plan-mode、Code Mode 分发和审批的不变量配套组件会在没有开放轮次时拒绝其执行作用域事件；压缩配套组件则另外接受轮次之间平衡的 `turn: null` 手动标记对，并要求数字 owner 匹配一个开放轮次。会话标题服务测试会在并发刷新、会话脱离拒绝和最新修订接受场景下，固定一个直接追加的回退事件。JSONL 和 SQLite 往返测试会通过持久化生命周期排空保留追加在 `turn/end` 之后的标题；fork 测试会保留独立纯日志尾部，同时拒绝位于开放轮次内的边界。一个无密钥、经完整组装的 ACP（Agent Client Protocol）快照会将模型生成的标题延迟到 `turn/end` 之后，并固定一个不含合成轮次的独立提供方标题。生成的 API 和类型等价性目录不含任何已移除符号。
 
 ## 后果
 
-轮次计数和结果重新只描述模型循环执行。独立事件会占用会话 seq，像其他追加一样启动尽快持久化，并且仅当操作承诺持久性时，才要求事件所有方请求显式持久性屏障。通用插件错误不再因核心默认的封闭规则而失败，因此每个需要执行关系的插件都必须自行声明并测试该关系。标题功能保留修订排序和生命周期持久化，同时减少了核心状态，不再重复类型 seam，并消除了轮次编号冲突。
+轮次计数和结果重新只描述模型循环执行。独立事件和手动压缩标记对会占用会话 seq，但不占用轮次编号；它们像其他追加一样启动尽快持久化，并且仅当操作承诺持久性时，才要求事件所有方请求显式持久性屏障。通用插件错误不再因核心默认的封闭规则而失败，因此每个需要执行关系的插件都必须自行声明并测试该关系。标题功能保留修订排序和生命周期持久化，同时减少了核心状态；手动压缩则获得持久控制，不产生合成轮次或轮次编号冲突。
diff --git a/.agents/notes/implemented/simplification/2026-07-31-capability-neutral-sandbox-policy-context.i18n.yaml b/.agents/notes/implemented/simplification/2026-07-31-capability-neutral-sandbox-policy-context.i18n.yaml
new file mode 100644
index 0000000000..f690cc7a95
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-capability-neutral-sandbox-policy-context.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/simplification/2026-07-31-capability-neutral-sandbox-policy-context.md
+2026-07-31-capability-neutral-sandbox-policy-context.md: d45c6c652fb7a061c2f92b7e03c41cce39da2a30
+2026-07-31-capability-neutral-sandbox-policy-context.zh.md: 9a1bb7a13d934826dddf89b409b25ba892a31ea3
diff --git a/.agents/notes/implemented/simplification/2026-07-31-capability-neutral-sandbox-policy-context.md b/.agents/notes/implemented/simplification/2026-07-31-capability-neutral-sandbox-policy-context.md
new file mode 100644
index 0000000000..d45c6c652f
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-capability-neutral-sandbox-policy-context.md
@@ -0,0 +1,35 @@
+# Agent Note: Capability-neutral sandbox policy context
+
+Status: implemented
+
+English | [中文](2026-07-31-capability-neutral-sandbox-policy-context.zh.md)
+
+## Problem
+
+The current-policy context originally mirrored runtime composition through separate enforced-family and escalatable-family registries. Six backend, tool, and example call sites contributed `filesystem`, `bash`, or `terminal`; the policy service retained token sets for independent disposal, intersected and ordered the two registries, invalidated prompt assemblies on every lifecycle change, and tested every family combination.
+
+That inventory was neither needed to state the file policy nor authoritative for model-visible capability. A backend contribution could name a family whose model-facing tool was absent or hidden by request scope, while tool schemas already told the model which exact operations were available. The registries therefore widened the public service and lifecycle contract to maintain an approximate English sentence.
+
+## Decision
+
+`dsh-sandbox-policy` contributes one capability-neutral `sandbox:policy` context for every agent session. It derives the text only from `resolve({ session })`; there is no backend or tool family registration API, contribution map, ordering rule, or registration-driven prompt invalidation.
+
+The text conditions capability claims on available operations that the DSH file sandbox enforces. Under `read-only`, it states that such operations cannot modify files in the standing mode and tells the model to try an available tool normally, then follow any denial and escalation guidance that tool returns. Under `workspace-write`, it states the canonical session workspace and the qualified temporary-area allowance. Under `danger-full-access`, it states that the DSH file sandbox does not restrict file modifications by available operations.
+
+Tool schemas remain the authority for which operations are available. Tool results remain the authority for operation-specific denials and approved wider retries. Filesystem, one-shot bash, and terminal implementations continue to resolve and enforce the same per-call policy; only the redundant model-facing capability inventory is removed.
+
+This decision partially supersedes the family-registration and composition-conditioned wording in [the current sandbox policy context decision](../feature/2026-07-30-current-sandbox-policy-context.md). That note remains the owner of cache-safe context delivery, durable snapshot materialization, wording evidence, and the separation between guidance and enforcement.
+
+## Alternatives considered
+
+**Keep the registries but reduce their tests.** Rejected because the public methods, retained lifecycle state, six contribution sites, and approximate capability claim would remain. The combinatorial tests reflected the design cost; they did not create it.
+
+**Derive an exact inventory from the tool registry.** Rejected because current policy needs only a truthful conditional statement, while exact availability already appears in the assembled tool schemas and can vary by request scope. Mapping each schema back to an enforcement backend would introduce another derived relation with no current consumer.
+
+**Omit policy context unless a backend advertises enforcement.** Rejected because it recreates the registration problem and makes policy visibility depend on optional contributors. The conditional wording remains truthful even when no applicable operation is available.
+
+## Consequences
+
+The policy service has one owner-derived context path instead of two public registries and their disposal lifecycle. Capability additions and removals no longer churn the runtime-context snapshot, while mode and workspace changes still do. Exact mode wording, canonical roots, switching, resume, service disposal, and no-agent assembly remain covered; family-combination and contribution-lifecycle tests disappear with the behavior they protected.
+
+The model no longer receives a prose list of sandboxed capability families. It receives exact tool schemas plus one standing file-policy statement. If a future product needs a separate capability inventory, it must be derived from the authoritative per-request assembly rather than reconstructed through backend registration side channels.
diff --git a/.agents/notes/implemented/simplification/2026-07-31-capability-neutral-sandbox-policy-context.zh.md b/.agents/notes/implemented/simplification/2026-07-31-capability-neutral-sandbox-policy-context.zh.md
new file mode 100644
index 0000000000..9a1bb7a13d
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-capability-neutral-sandbox-policy-context.zh.md
@@ -0,0 +1,35 @@
+# Agent Note: 不依赖具体能力的沙箱策略上下文
+
+Status: implemented
+
+[English](2026-07-31-capability-neutral-sandbox-policy-context.md) | 中文
+
+## 问题
+
+当前策略上下文最初通过受强制执行家族与可升权家族两个独立注册表来映射运行时组合。后端、工具与示例中的六个调用点会贡献 `filesystem`、`bash` 或 `terminal`；策略服务保留 token 集合，以便独立释放各项注册，对两个注册表的内容求交集并排序，在每次生命周期变化时使提示词组装失效，并且需要测试覆盖所有家族组合。
+
+这份清单既不是说明文件策略所必需的，也不能作为模型可见能力的权威依据。后端贡献可能声明某个家族，而该家族面向模型的工具并不存在，或被请求作用域隐藏；工具 schema 已经向模型准确说明哪些操作可用。因此，为了维护一句近似的英文说明，注册表扩大了公开服务与生命周期契约。
+
+## 决策
+
+`dsh-sandbox-policy` 为每个 agent（智能体）会话贡献一项不依赖具体能力的 `sandbox:policy` 上下文。上下文文本只根据 `resolve({ session })` 派生；不存在后端或工具家族注册 API、贡献映射、排序规则，也不会因注册变化而使提示词失效。
+
+该文本将能力声明限定于 DSH 文件沙箱所强制执行的可用操作。在 `read-only` 下，它说明这类操作在常驻模式下无法修改文件，并指示模型正常尝试可用工具，随后遵循该工具返回的任何拒绝与升权引导。在 `workspace-write` 下，它说明规范化的会话工作区，以及带有适用条件的临时区域写入许可。在 `danger-full-access` 下，它说明 DSH 文件沙箱不会限制可用操作修改文件。
+
+哪些操作可用仍以工具 schema 为准。针对具体操作的拒绝以及获批后的更宽松模式重试，仍以工具结果为准。文件系统、一次性 bash 与终端实现继续解析并强制执行相同的逐调用策略；移除的只有面向模型的冗余能力清单。
+
+本决策取代了[当前沙箱策略上下文决策](../feature/2026-07-30-current-sandbox-policy-context.md)中关于家族注册与按组合条件化措辞的部分内容。缓存安全的上下文交付、持久快照具体化、措辞证据，以及引导与强制执行之间的边界，仍以该 Agent Note 为归属文档。
+
+## 曾考虑的替代方案
+
+**保留注册表，但减少对应测试。** 不予采用，因为公开方法、保留的生命周期状态、六个贡献点和近似的能力声明仍会存在。组合测试只是体现了这一设计成本，并非成本的成因。
+
+**从工具注册表派生确切清单。** 不予采用，因为当前策略只需要一句符合事实的条件性声明，而确切的可用情况已经体现在组装后的工具 schema 中，并且可能随请求作用域变化。若再把每个 schema 映射回其强制执行后端，就会引入另一项派生关系，而当前没有消费方需要它。
+
+**仅在后端声明会强制执行时提供策略上下文。** 不予采用，因为这会重现注册问题，并使策略是否可见取决于可选贡献方。即使没有可适用的操作，这段带条件的措辞仍然符合事实。
+
+## 后果
+
+策略服务只有一条由归属方直接派生的上下文路径，无需维护两个公开注册表及其释放生命周期。增加或移除能力不再导致运行时上下文快照反复变化，模式和工作区变化仍会触发快照更新。聚焦测试仍覆盖各模式的确切措辞、规范化根目录、模式切换、恢复、服务释放与无 agent 组装；家族组合与贡献生命周期测试则随其所保护的行为一同删除。
+
+模型不再收到以自然语言列出的沙箱能力家族清单，而是收到确切的工具 schema 与一项常驻文件策略声明。未来若产品需要独立的能力清单，该清单必须从权威的逐请求组装结果中派生，不能通过后端注册这种旁路机制重建。
diff --git a/.agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.i18n.yaml b/.agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.i18n.yaml
new file mode 100644
index 0000000000..8cfbcd08c3
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.md
+2026-07-31-drop-user-message-edit-stub.md: 5a34be1dd285f4aced9e6cfb2e324b20ec734bed
+2026-07-31-drop-user-message-edit-stub.zh.md: 768cb4618b4a85f61e6348f8c6fb6a93d686e7d3
diff --git a/.agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.md b/.agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.md
new file mode 100644
index 0000000000..5a34be1dd2
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.md
@@ -0,0 +1,27 @@
+# Agent Note: Drop the user-message edit stub
+
+Status: implemented
+
+English | [中文](2026-07-31-drop-user-message-edit-stub.zh.md)
+
+## Problem
+
+The user bubble's IconActions row carried an edit button beside copy and branch. Nothing backed it: the control had no click handler, no client mutation, and no host operation for resending an edited message. A user who found it saw an affordance the product cannot honor.
+
+## Decision
+
+`MessageIconActions` renders clock / copy / branch only, and its `edit` prop is gone with the button; `MessageItem` no longer passes it. The user bubble and the assistant chrome now differ only by clock side. The package README records the missing capability under Known Limitations, and the web message-actions golden pins the row without the control.
+
+The common locale keeps its generic `edit` term, which is shared vocabulary rather than this component's copy.
+
+Reintroduce the control together with the capability: a client mutation that edits a settled user message and the host behavior that decides what the edited message does to the turn that already consumed it.
+
+## Alternatives considered
+
+**Disable the button with a tooltip.** A visible-but-dead control still advertises editing and costs the same explaining; removal is the honest state.
+
+**Wire it to the queue editor.** The queue edits a message that has not been sent. A settled user message is already in the transcript and in the model's context, so reusing that editor would silently mean something else.
+
+## Consequences
+
+Web offers no way to correct a sent message; branching from the message is the nearest available gesture. Reintroduction is a UI-only change once the mutation exists, since the row composes its actions from props.
diff --git a/.agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.zh.md b/.agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.zh.md
new file mode 100644
index 0000000000..768cb4618b
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.zh.md
@@ -0,0 +1,27 @@
+# Agent Note: 移除 user 消息的编辑存根
+
+Status: implemented
+
+[English](2026-07-31-drop-user-message-edit-stub.md) | 中文
+
+## 问题
+
+user 气泡的 IconActions 行在复制和分支旁边还有一个编辑按钮，但其背后什么都没有：该控件没有点击处理、没有 client 侧变更，也没有 host 侧重新发送已编辑消息的操作。用户找到它时，看到的是一个产品无法兑现的可供性。
+
+## 决策
+
+`MessageIconActions` 只渲染时钟／复制／分支，其 `edit` prop 随按钮一并删除；`MessageItem` 不再传入该 prop。现在 user 气泡与 assistant chrome 只在时钟位置上不同。包 README 在 Known Limitations 中记录这项缺失的能力，web 的 message-actions 金样固定了不含该控件的动作行。
+
+公共 locale 保留通用的 `edit` 词条：它是共享词汇，而非本组件的文案。
+
+重新引入该控件时要与能力一起落地：既需要编辑已定稿 user 消息的 client 变更，也需要 host 侧决定这条编辑后的消息对已经消费过它的轮次意味着什么。
+
+## 曾考虑的替代方案
+
+**把按钮置灰并加提示。** 一个可见但无效的控件仍在宣告可以编辑，解释成本相同；直接移除才是诚实的状态。
+
+**接到队列编辑器上。** 队列编辑的是尚未发送的消息。已定稿的 user 消息已经进入转录和模型上下文，复用该编辑器会让同一个动作悄悄变成另一件事。
+
+## 后果
+
+Web 没有任何途径修正已发送的消息；从该消息分支是最接近的现有手势。由于动作行的内容完全由 props 组合而来，能力就绪后重新引入只是一次纯 UI 改动。
diff --git a/.agents/notes/implemented/simplification/2026-07-31-one-route-to-add-a-workspace.i18n.yaml b/.agents/notes/implemented/simplification/2026-07-31-one-route-to-add-a-workspace.i18n.yaml
new file mode 100644
index 0000000000..1c0cc5644d
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-one-route-to-add-a-workspace.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/simplification/2026-07-31-one-route-to-add-a-workspace.md
+2026-07-31-one-route-to-add-a-workspace.md: 5d002265b5eb1178bb1dbc7bd17f8b364d9b9856
+2026-07-31-one-route-to-add-a-workspace.zh.md: 0a59d3a505eb921b4ec980abaefedfcad8a3c294
diff --git a/.agents/notes/implemented/simplification/2026-07-31-one-route-to-add-a-workspace.md b/.agents/notes/implemented/simplification/2026-07-31-one-route-to-add-a-workspace.md
new file mode 100644
index 0000000000..5d002265b5
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-one-route-to-add-a-workspace.md
@@ -0,0 +1,57 @@
+# Agent Note: One route to add a Workspace
+
+Status: implemented
+
+English | [中文](2026-07-31-one-route-to-add-a-workspace.zh.md)
+
+## Problem
+
+Both Workspace surfaces — the sidebar region header's `+` and the conversation hero's chip — offered two ways to get a Workspace: **Open local folder…**, which raised the composed directory flow, and **Create a new workspace**, which took a name and created `<workspaceRoot>/<name>`. The two overlapped: the browse occupant carries its own **New folder** affordance, so picking a directory already covered creating one. Two entries meant two vocabularies for one outcome, a name dialog with its own duplicate-name rule, and a create target the operator could neither see nor choose.
+
+Removing the weaker entry leaves the sidebar header with exactly one action, which raised the presentation question this Note also settles: what a popover with a single row should look like.
+
+## Decision
+
+Adding a Workspace has one route: pick a host directory through the composed directory flow, new or existing. `menu.addWorkspace` ("添加工作区…" / "Add workspace…") is the entry; the create-by-name dialog and its `create.*` / `menu.createWorkspace` / `workspace.new` strings are gone. The label names the outcome, not the mechanism, because it is now the only door to that outcome — a user looking for "新建" must find it.
+
+**A menu exists to disambiguate between targets.** When the only entry left is the add action — the add-only sidebar surface, or the hero with an empty list — the anchor gesture *is* that action: the flow opens directly and no popover renders. A one-row popover costs a click and offers nothing to choose between. The rule is one predicate (`addIsTheOnlyEntry`) covering both surfaces rather than a per-surface special case.
+
+Two boundaries fall out of that rule and are part of it:
+
+- **An empty list is only final once the baseline lands.** While `phase` is `pending` the hero keeps its menu and loading status instead of jumping into a flow that the arriving workspaces would have made unnecessary. The add-only surface lists nothing and never waits.
+- **An unoccupied directory-flow hole leaves nothing to add with.** The sidebar header then renders no button at all rather than a dead one; the hero's menu keeps working as a picker over whatever is listed, and shows nothing when nothing is listed either — an empty popover would claim a choice that does not exist. This is the seam's documented no-flow default reaching its conclusion: with the occupant gone, so is the only creation affordance. The hero's anchor chip belongs to ui-conversation, so this package can suppress the popover but cannot hide the chip.
+
+The direct-open path carries the busy rule the menu entry states: while a pick is still being adopted (`flowBusy`), the anchor gesture is held exactly as the entry is disabled, so a late outcome cannot race a second flow.
+
+`WorkspaceCreateFlow` is now `WorkspacePickFlow` and its `createOnly` prop is `addOnly`; the injected `createWorkspace` narrows from `{ name } | { path }` to `{ path }`.
+
+## Wire and CLI residue
+
+The host's `workspace.create` still accepts `{ name }`, and `dsh web --workspace-root` still feeds its target directory, but no product surface reaches either any more. The same is true of the client seam that carried the name to the wire: `WorkspaceCreateInput`, `WorkspacesService.create`'s `{ name }` arm, `intentName`'s name branch, and the manager's "name under workspaceRoot" contract. `apps/cli/README.md` and its Chinese counterpart still document `--workspace-root` as creating named Workspaces. The whole set is marked for deletion at the call site in `packages/host/apiproxy/src/api-proxy.ts` and left to a follow-up change: it is backend, client-seam, and CLI surface with its own reviewer and its own test fallout (the api-proxy workspace suite, the runtime workspace suite, the config catalog), and the release-blocking part of this decision is the UI.
+
+## Testing
+
+`connectFreshWorkspace` — the helper every web e2e scenario boots through — stages `<root>/workspace` and adopts it through the dialog's path editor, so the produced session cwd stays identical to what create-by-name produced and scenario goldens stay valid. Staging rather than creating in-dialog keeps the helper idempotent across the repeated connects a scenario may make (a second create of the same folder fails, and the create dialog holds the flow open on that failure). Creating a folder from inside the chooser — the other half of the same route — is covered by `workspace-management.e2e.ts`, which owns the focused coverage: two workspaces added on folders the dialog creates, distinct same-basename directories adopted independently, a deleted title reused on a different directory, and the browser-dialog aria golden.
+
+`smoke-real.e2e.ts` is the one scenario booting the unpatched shipped tree, where the `-auto` row resolves per host; it now pins `-browse` through a `--config` overlay so the developer's display environment cannot decide whether the picker is drivable at all.
+
+## Alternatives considered
+
+**Keep `Open local folder…` as the label.** Rejected: after the merge the entry both opens and creates, and naming it after the mechanism hides the creation half from exactly the users whose entry we removed. The counter-argument — "本地" usefully disambiguates the browser's machine from the harness's — is answered one step later by the dialog's own title and breadcrumbs.
+
+**Keep the two-entry menu and make `Create a new workspace` open the same flow.** Rejected: two labels for one action is the confusion we were asked to remove, not a smaller version of it.
+
+**Keep a one-row popover for consistency with the hero's menu.** Rejected: a popover that offers no choice is a wasted click and reads as unfinished. Consistency here is the *rule* (menu ⇔ a choice exists), not the widget.
+
+**Keep the menu shell for entries we might add later (clone a repo, remote directory).** Rejected under "require a current owner and need": no such entry exists, and restoring a menu when one arrives is a smaller change than shipping an empty frame now.
+
+**Delete the wire's create-by-name branch in the same change.** Rejected for this PR: it is backend/CLI surface with a different reviewer and a wider test fallout, and the urgent decision is the UI. See the residue section — it is marked, not forgotten.
+
+**Register the workspace through the host in the e2e scaffold instead of driving the dialog.** Rejected: it would have decoupled all 15 scenarios from the picker, so nothing in the lane would prove the surviving route reaches a live composer. Every scenario now walks the real dialog to adopt its directory; only the create-a-folder half is concentrated in one scenario, because repeating it everywhere makes the shared helper non-idempotent for no extra signal.
+
+## Consequences
+
+- Creating a Workspace outside the operator's chosen directory is no longer possible from the UI; the server-controlled `--workspace-root` target was the one way to constrain where new workspace folders land, and nothing replaces it. A deployment that needs that constraint has to re-introduce it deliberately.
+- The one remaining route browses the host filesystem, so the picker's reach is now the whole host rather than one configured parent. That is already the browse occupant's contract; this change makes it the only contract.
+- A composition that mounts `ui-workspace` without any directory-picker package can no longer add a Workspace at all, and now says so by omitting the button instead of offering a create-by-name fallback.
+- The hero chip still announces `aria-haspopup="menu"` while the direct-open path raises a dialog instead. Making that truthful means routing the flow's presentation choice up through the `conversation.hero.workspace` owner contract — the flow owns the decision, the chip owns the announcement, and they sit in different packages — so it is a named follow-up rather than a silent inconsistency. The sidebar button this change added makes no popup claim at all.
diff --git a/.agents/notes/implemented/simplification/2026-07-31-one-route-to-add-a-workspace.zh.md b/.agents/notes/implemented/simplification/2026-07-31-one-route-to-add-a-workspace.zh.md
new file mode 100644
index 0000000000..0a59d3a505
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-one-route-to-add-a-workspace.zh.md
@@ -0,0 +1,57 @@
+# Agent Note: One route to add a Workspace
+
+Status: implemented
+
+[English](2026-07-31-one-route-to-add-a-workspace.md) | 中文
+
+## Problem
+
+两处 Workspace 表层——侧边栏区头的 `+` 与会话主视觉区的 chip——都提供了两条获得 Workspace 的路径：**打开本地文件夹…** 拉起组合的目录流程，**新建工作区** 接收一个名称并创建 `<workspaceRoot>/<name>`。两者重叠：浏览占用者自带 **新建文件夹** 能力，因此"选一个目录"本就覆盖了"建一个目录"。两个入口意味着同一结果有两套词汇、一个自带重名规则的名称对话框，以及一个操作者既看不到也选不了的创建位置。
+
+删掉较弱的那个入口后，侧边栏区头只剩一个动作，于是引出了本 Note 一并裁定的展示问题：只有一行的浮层应该长什么样。
+
+## Decision
+
+添加 Workspace 只有一条路径：通过组合的目录流程选一个宿主机目录，新建的或已存在的都可以。入口是 `menu.addWorkspace`（"添加工作区…" / "Add workspace…"）；按名称创建的对话框及其 `create.*`／`menu.createWorkspace`／`workspace.new` 文案全部删除。标签命名的是结果而非机制，因为它现在是通往该结果的唯一一扇门——找"新建"的用户必须能找到它。
+
+**菜单的存在是为了在多个目标之间消歧。** 当只剩添加这一个入口时——仅添加的侧边栏表层，或列表为空的主视觉区——锚点手势*就是*该动作：直接拉起流程，不渲染浮层。只有一行的浮层多花一次点击，却没有任何可选项。这条规则是一个谓词（`addIsTheOnlyEntry`）覆盖两处表层，而不是逐表层特判。
+
+由该规则派生出两条边界，它们同属这个决定：
+
+- **列表为空只有在基线落地后才算最终结果。** `phase` 仍为 `pending` 时，主视觉区保留菜单与加载状态，而不是跳进一个即将到达的 workspace 会使其变得多余的流程。仅添加表层不列任何东西，因此从不等待。
+- **目录流程的洞没有占用者时，就没有任何可添加的手段。** 此时侧边栏区头干脆不渲染按钮，而不是留下一个点了没反应的按钮；主视觉区的菜单则继续作为选择器工作，列出已有内容——而当同样没有内容可列时，它什么也不弹：空浮层会宣称一个并不存在的选择。这是 seam 文档化的无流程默认行为走到它的结论：占用者不在，唯一的创建能力也就不在。主视觉区的锚点 chip 归 ui-conversation 所有，因此本包能压掉浮层，却无法隐藏该 chip。
+
+直接拉起的这条路径同样遵守菜单项声明的 busy 规则：某次选取仍在接纳中（`flowBusy`）时，锚点手势会被按住，正如该菜单项会被禁用，从而使迟到的结果无法抢开第二个流程。
+
+`WorkspaceCreateFlow` 现更名为 `WorkspacePickFlow`，其 `createOnly` prop 更名为 `addOnly`；注入的 `createWorkspace` 从 `{ name } | { path }` 收窄为 `{ path }`。
+
+## Wire and CLI residue
+
+Host 侧的 `workspace.create` 仍接受 `{ name }`，`dsh web --workspace-root` 也仍在为它提供目标目录，但已没有任何产品表层会走到它们。把名称送到 wire 的客户端一段同样如此：`WorkspaceCreateInput`、`WorkspacesService.create` 的 `{ name }` 分支、`intentName` 的名称分支，以及 manager 中"workspaceRoot 下的 name"这一契约。`apps/cli/README.md` 及其中文对照本也仍把 `--workspace-root` 记为"创建具名 Workspace"。这一整套都在 `packages/host/apiproxy/src/api-proxy.ts` 的调用点标记为待删除，并留给后续改动：它横跨 backend、客户端 seam 与 CLI 面，有各自的 reviewer 和各自的测试波及面（api-proxy workspace 套件、runtime workspace 套件、配置目录），而本决定中阻塞发布的部分是 UI。
+
+## Testing
+
+`connectFreshWorkspace`——所有 web e2e 场景启动时都会走的辅助函数——会预先备好 `<root>/workspace`，再经对话框的路径编辑器接纳它，因此产出的会话 cwd 与按名称创建时完全一致，场景 golden 保持有效。选择预先备好而不是在对话框内新建，是为了让该辅助函数在一个场景可能发生的多次连接之间保持幂等（第二次创建同名文件夹会失败，而创建对话框会在失败时把流程停在原地）。在选择器内新建文件夹——同一条路径的另一半——由 `workspace-management.e2e.ts` 覆盖，它承担针对性覆盖：在对话框自己创建的文件夹上添加两个 workspace、接纳 basename 相同的不同目录并保持彼此独立、在另一个目录上复用已删除的标题、以及浏览对话框的 aria golden。
+
+`smoke-real.e2e.ts` 是唯一启动未打补丁的出厂配置树的场景，其中 `-auto` 行会按宿主机解析；它现在通过 `--config` overlay 钉死 `-browse`，使开发机的显示环境无法决定选择器是否可被驱动。
+
+## Alternatives considered
+
+**保留 `打开本地文件夹…` 作为标签。** 否决：合并后该入口既能打开也能创建，用机制命名会恰好对那些入口被我们删掉的用户隐藏创建这一半。反方理由——"本地"二字有效区分了浏览器所在机器与 harness 所在机器——在下一步就由对话框自身的标题和面包屑回答了。
+
+**保留双入口菜单，让 `新建工作区` 也打开同一个流程。** 否决：同一动作两个标签正是我们被要求消除的混淆，而不是它的缩小版。
+
+**为了与主视觉区菜单保持一致而保留只有一行的浮层。** 否决：不提供选择的浮层是一次浪费的点击，读起来像半成品。这里要一致的是*规则*（有菜单 ⇔ 存在选择），不是控件。
+
+**为将来可能新增的入口（克隆仓库、远程目录）保留菜单壳。** 否决，依据"require a current owner and need"：这样的入口目前并不存在，而等它到来时再恢复菜单，比现在就发一个空壳的改动更小。
+
+**在同一改动中删除 wire 的按名称创建分支。** 本 PR 否决：那是 backend/CLI 面，reviewer 不同、测试波及面更广，而紧急的决定是 UI。见 residue 一节——它是被标记了，不是被遗忘了。
+
+**在 e2e scaffold 中经 host 注册 workspace，而不驱动对话框。** 否决：那会让全部 15 个场景与选择器解耦，整条 lane 将无法证明幸存的这条路径能走到可用的 composer。现在每个场景都会走真实对话框来接纳自己的目录；只有"新建文件夹"那一半集中在一个场景里，因为处处重复只会让共享辅助函数失去幂等性，却换不来额外信号。
+
+## Consequences
+
+- 从 UI 已无法在操作者选定目录之外创建 Workspace；服务端控制的 `--workspace-root` 目标曾是约束新 workspace 文件夹落点的唯一手段，现在没有替代品。需要该约束的部署必须有意识地重新引入它。
+- 仅存的这条路径会浏览宿主机文件系统，因此选择器的可达范围现在是整台宿主机，而非一个配置好的父目录。这本就是浏览占用者的契约，本改动使它成为唯一的契约。
+- 挂载了 `ui-workspace` 但未挂任何 directory-picker 包的组合，已完全无法添加 Workspace；现在它通过不渲染按钮来说明这一点，而不是提供一个按名称创建的兜底。
+- 主视觉区的 chip 仍声明 `aria-haspopup="menu"`，而直接拉起的路径实际弹出的是对话框。要让它如实，需要把流程的展示方式经 `conversation.hero.workspace` 的 owner 契约上报——决定权在流程，播报权在 chip，两者分属不同的包——因此这被列为一项具名的后续工作，而不是一处无声的不一致。本次新增的侧边栏按钮完全不作任何 popup 声明。
diff --git a/.agents/notes/implemented/simplification/2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.i18n.yaml b/.agents/notes/implemented/simplification/2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.i18n.yaml
new file mode 100644
index 0000000000..2059841653
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/simplification/2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.md
+2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.md: 6f397668106a6c74f327fc799327752c54824d8c
+2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.zh.md: f127bd57006747465a1ece87406f5f97086b6a34
diff --git a/.agents/notes/implemented/simplification/2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.md b/.agents/notes/implemented/simplification/2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.md
new file mode 100644
index 0000000000..6f39766810
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.md
@@ -0,0 +1,38 @@
+# Agent Note: Web UI drops steer entry and interjection chrome
+
+Status: implemented
+
+English | [中文](2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.zh.md)
+
+## Problem
+
+Mid-turn steering is a host/agent-loop capability (`mode:'steer'`, durable `steering/message`). The Web product already locked the composer while a turn runs and never shipped a queue/steer menu, yet the client still threaded `'queue' | 'steer'` through the input machine, `conversation.send`, and locale keys, and rendered consumed steering as a badged 「插话」/「Interjection」 bubble. That left a half-built UI surface: an unused submit mode, a product label for a gesture users cannot perform, and e2e goldens that pinned chrome the product does not own.
+
+## Decision
+
+Keep host and runtime steering intact. Remove only the Web UI entry and chrome:
+
+- `InputMachine` / `SessionInput` / `InputActions.submit` / hub `defaultSink` are queue-only; they always call `session.prompt(..., 'queue')`.
+- `ConversationService.send(text)` drops its mode argument and always queues.
+- `MessageItem`'s `steering` arm still folds durable `steering/message` content into a plain right-aligned bubble (no badge, no user IconActions) so external/host steers stay visible on replay.
+- Delete `message.steering` locale strings and the unused badge CSS.
+- The web steering e2e still POSTs `mode:'steer'` over `/api/session.prompt` and asserts durable + model-visible obedience; it no longer expects interjection chrome. Update [web input machine note](../architecture/2026-07-25-web-input-machine-and-slash-pipeline.md) fact lines to match.
+
+## Alternatives considered
+
+**Delete host steering entirely.** Out of scope; the user asked only for Web UI display and entry. Agent-loop drain, session events, and the wire mode remain load-bearing for ACP/TUI/automation.
+
+**Hide `steering/message` from the transcript.** Would lie on replay when an external client steers; rejected in favor of a plain bubble.
+
+**Keep the mode parameter but only ever pass `'queue'`.** Leaves dead API surface and tests that invent `'steer'` paths the composer cannot reach.
+
+## Consequences
+
+- Web users cannot steer from the composer or `ctx.conversation.send`; stop/cancel and Queue remain the only mid-turn controls.
+- Host-wire and non-Web clients can still steer; the Web client shows those messages without labeling them as interjections.
+- Reintroducing a dedicated steer UI would need a new product decision; do not revive the mode union or badge without one.
+
+## Testing
+
+- `packages/client/ui-conversation` unit/jsdom coverage: input machine enter/sink, ConversationService routing, MessageItem steering arm (no 「插话」), InputBar submit.
+- `apps/web/tests/steering.e2e.ts` keyless replay plus updated `settled.expected.md` (steer text without badge).
diff --git a/.agents/notes/implemented/simplification/2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.zh.md b/.agents/notes/implemented/simplification/2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.zh.md
new file mode 100644
index 0000000000..f127bd5700
--- /dev/null
+++ b/.agents/notes/implemented/simplification/2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.zh.md
@@ -0,0 +1,38 @@
+# Agent Note: Web UI 去掉 steer 入口与插话 chrome
+
+Status: implemented
+
+[English](2026-07-31-web-ui-no-steer-entry-or-interjection-chrome.md) | 中文
+
+## 问题
+
+中途 steering 是 host／agent-loop 能力（`mode:'steer'`、持久 `steering/message`）。Web 产品已在 turn 运行中锁定 composer，且从未交付排队／steer 菜单，但客户端仍把 `'queue' | 'steer'` 穿进 input machine、`conversation.send` 与 locale 键，并把已消费的 steering 渲染成带「插话」／「Interjection」徽章的气泡。这留下半成品 UI：用不到的提交 mode、用户做不到的手势却有产品文案，以及把产品并不拥有的 chrome 钉死在 e2e golden 上。
+
+## 决策
+
+保留 host 与 runtime 的 steering。只去掉 Web UI 入口与 chrome：
+
+- `InputMachine`／`SessionInput`／`InputActions.submit`／hub `defaultSink` 仅 queue；始终调用 `session.prompt(..., 'queue')`。
+- `ConversationService.send(text)` 去掉 mode 参数，始终排队。
+- `MessageItem` 的 `steering` 分支仍把持久 `steering/message` 内容折成右对齐普通气泡（无徽章、无用户 IconActions），以便外部／host steer 在回放时仍可见。
+- 删除 `message.steering` locale 字符串与未使用的徽章 CSS。
+- web steering e2e 仍通过 `/api/session.prompt` POST `mode:'steer'`，并断言持久化与模型可见服从；不再期望插话 chrome。同步更新 [web input machine note](../architecture/2026-07-25-web-input-machine-and-slash-pipeline.md) 中的事实行。
+
+## 曾考虑的替代方案
+
+**整段删除 host steering。** 超出范围；用户只要求清 Web UI 展示与入口。agent-loop 排空、session 事件与线缆 mode 对 ACP／TUI／自动化仍是承重能力。
+
+**在 transcript 中隐藏 `steering/message`。** 外部客户端 steer 时回放会撒谎；改为普通气泡。
+
+**保留 mode 参数但永远只传 `'queue'`。** 留下死 API 面与只会虚构 composer 到不了的 `'steer'` 路径的测试。
+
+## 后果
+
+- Web 用户无法从 composer 或 `ctx.conversation.send` steer；中途控制只剩停止／取消与 Queue。
+- Host 线缆与非 Web 客户端仍可 steer；Web 客户端展示这些消息时不再标成插话。
+- 若要重新引入专用 steer UI，需要新的产品决策；没有决策就不要复活 mode 联合类型或徽章。
+
+## 测试
+
+- `packages/client/ui-conversation` unit／jsdom 覆盖：input machine enter／sink、ConversationService 路由、MessageItem steering 分支（无「插话」）、InputBar submit。
+- `apps/web/tests/steering.e2e.ts` 无密钥回放，以及更新后的 `settled.expected.md`（有 steer 正文、无徽章）。
diff --git a/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.i18n.yaml b/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.i18n.yaml
index ada8ff7a3e..b219e6245f 100644
--- a/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.i18n.yaml
+++ b/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.md
-2026-07-24-web-gui-browser-e2e-lane.md: 107dbddbfde8ad29e22d9cba04ce2b83c1d01383
-2026-07-24-web-gui-browser-e2e-lane.zh.md: e4132b2ebb3f30a9d540f47cf9416a13bc4aa9f3
+2026-07-24-web-gui-browser-e2e-lane.md: f05fc7268cfb613d0af8240bbb65cb154252a620
+2026-07-24-web-gui-browser-e2e-lane.zh.md: 3fd3805053a570a32e63601d7b039db41365309c
diff --git a/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.md b/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.md
index 107dbddbfd..f05fc7268c 100644
--- a/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.md
+++ b/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.md
@@ -28,7 +28,7 @@ The barrier stack for replay-mode browser assertions is, in order: (1) host-side
 
 No single-shot transient-DOM assertions: every hop from replay yield to React commit can coalesce chunks, so sampling `[data-streaming]` is a race by construction. Streaming incrementality is asserted from the persisted `assistant/chunk` events (model-visible ⟺ logged makes the log the authoritative proof). `dsh-llm-replay`'s opt-in `paceMs` (default absent = burst) is a realism knob so the browser observes genuinely incremental SSE; correctness never leans on it, and abort during a pace wait cancels promptly.
 
-Every scenario fails on any pageerror and on the client's connection-loss/gap-repair console warnings: the reconnect machine plus history resync would otherwise self-heal a dead SSE path and the suite would certify a broken wire. Scaffold `close()` calls the `ReplayHandle.assertConsumed()` teardown check (every recorded script bound, every cursor drained), converting silent underruns and shifted bindings into crisp diagnostics. No vitest retry on the lane; one chromium per file, fresh context per scenario, one host per scenario; viewport pinned; interaction selectors anchor on roles, `data-*` attributes, and visible text, while the frame and conversation-region captures use the existing CSS-module local-name anchors. Standard scenarios set `dsh.locale=en` before client boot so localized role locators and goldens use one explicit language; `settings-chrome.e2e.ts` alone leaves storage unset to cover the default Chinese state and both switch directions.
+Every scenario fails on any pageerror and on the client's connection-loss/gap-repair console warnings: the reconnect machine plus history resync would otherwise self-heal a dead SSE path and the suite would certify a broken wire. Scaffold `close()` calls the `ReplayHandle.assertConsumed()` teardown check (every recorded script bound, every cursor drained), converting silent underruns and shifted bindings into crisp diagnostics. No vitest retry on the lane; one chromium per file, fresh context per scenario, one host per scenario; viewport pinned; interaction selectors anchor on roles, `data-*` attributes, and visible text, while the frame and conversation-region captures use the existing CSS-module local-name anchors. Standard scenarios set `dsh.locale=en` before client boot so localized role locators and goldens use one explicit language; the scenarios asserting Chinese copy leave storage unset and open a `zh-CN` browser instead, because the client derives its initial locale from `navigator` ([browser-derived initial locale](../feature/2026-07-31-browser-derived-initial-locale.md)), and `settings-chrome.e2e.ts` additionally covers both switch directions and the English-browser default.
 
 ### Expected outputs
 
@@ -76,13 +76,12 @@ Surveyed AI-chat/agent web UIs and mocking layers (LibreChat, vercel/ai-chatbot
 
 ## Testing
 
-`pnpm run test:web` builds and runs the lane keylessly; `test:web:built` runs it against existing build artifacts. `DSH_SNAPSHOT=record pnpm exec vitest run --config vitest.web.config.ts apps/web/tests/<spec>` records a prompting scenario against the live model, and `DSH_SNAPSHOT=refresh pnpm run test:web` rewrites aria goldens keylessly. CI explicitly selects replay mode. The scaffold hermeticity scenario populates distinct entries in all three ambient skill roots and requires none to enter the assembled catalog. `dsh-llm-replay` unit coverage pins pacing, cancellation, consumption diagnostics, sidecar validation, indexed replacement, and the single append position.
+`pnpm run test:web` builds and runs the lane keylessly; `test:web:built` runs it against existing build artifacts. `DSH_SNAPSHOT=record pnpm exec vitest run --config vitest.web.config.ts apps/web/tests/<spec>` records a prompting scenario against the live model, and `DSH_SNAPSHOT=refresh pnpm run test:web` rewrites aria goldens keylessly. CI explicitly selects replay mode. The live-interactions AUTH scenario pins a non-retryable terminal failure as an inline Chat status carrying the display-safe message and code, verifies that provider-echoed credential fragments stay absent from both Chat and Trajectory, and covers composer recovery plus the `turn/end` error. The scaffold hermeticity scenario populates distinct entries in all three ambient skill roots and requires none to enter the assembled catalog. `dsh-llm-replay` unit coverage pins pacing, cancellation, consumption diagnostics, sidecar validation, indexed replacement, and the single append position.
 
 ## Deferred
 
 - **Web header-class pin**: web fixtures tokenize `{{system}}`/`{{tools}}` everywhere and no scenario pins the web composition's prompt/tool schemas (`TODO(web-header-pin)` — the scaffold `recordFixture` JSDoc marks it). Following the TUI scrub-everywhere precedent; revisit when the web assembly's header diverges from the repl composition it mirrors.
 - **Follow-up-prompt-after-resume scenario**: the history/live stitch path over the real wire; add as its own scenario when that code changes or regresses.
-- **Web error surface**: the client consumes no `agent/error` frames and a pre-chunk failure freezes no partial, so a non-retryable provider failure renders no error copy — the user sees the send simply stop. The AUTH scenario pins the current contract (no crash, composer recovers, turn logged `error`) and `FIXME(web-error-surface)` marks where visible error text gets asserted once the UI grows an error rendering.
 - **Composer steering gesture**: the input locks while running (stop-or-wait), so the steering scenario steers over the wire from the page; `TODO(web-steer-composer)` upgrades the drive step to a real composer gesture when the product grows one.
 - **Drag session reorder**: `workspace.insertSessionBefore` has no browser scenario; it needs two sessions materialized in one workspace plus synthesized HTML5 drag events. Add it when that surface changes or regresses. The inert session Rename/Fork/Delete and workspace Delete menu rows get scenarios when they gain behavior.
 
diff --git a/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.zh.md b/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.zh.md
index e4132b2ebb..3fd3805053 100644
--- a/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.zh.md
+++ b/.agents/notes/implemented/testing/2026-07-24-web-gui-browser-e2e-lane.zh.md
@@ -28,7 +28,7 @@ Web GUI 以一条真实组装链交付——chromium 页面 → client 插件 bu
 
 不做单次瞬态 DOM 断言：从回放产出到 React 提交的每一跳都可能合并分片，采样 `[data-streaming]` 天然就是竞态。流式输出的增量性由持久化的 `assistant/chunk` 事件断言（模型可见 ⟺ 已记录，使日志成为权威证据）。`dsh-llm-replay` 的可选 `paceMs`（默认缺省 = 突发）只是让浏览器观察到真正增量 SSE 的真实感旋钮；正确性绝不依赖它，且节奏等待期间中止会即时取消。
 
-每个场景都会因任何 pageerror 或客户端的连接丢失/间隙修复控制台警告而失败：否则重连机制加历史重同步会把一条死掉的 SSE 通路自愈掉，套件反而认证了坏 wire。Scaffold 的 `close()` 调用 `ReplayHandle.assertConsumed()` 收尾检查（每个已录脚本都被绑定、每个游标都耗尽），把静默的少放与错绑变成清晰诊断。车道不设 vitest 重试；每文件一个 chromium、每场景一个新 context、每场景一个 host；视口固定；交互选择器锚定 role、`data-*` 属性和可见文本，而 frame 与会话区采集则使用既有的 CSS 模块局部类名锚点。常规场景在客户端启动前设置 `dsh.locale=en`，使本地化的 role 定位器和预期输出统一采用明确指定的语言；只有 `settings-chrome.e2e.ts` 不预设该存储项，以覆盖默认中文状态及双向切换。
+每个场景都会因任何 pageerror 或客户端的连接丢失/间隙修复控制台警告而失败：否则重连机制加历史重同步会把一条死掉的 SSE 通路自愈掉，套件反而认证了坏 wire。Scaffold 的 `close()` 调用 `ReplayHandle.assertConsumed()` 收尾检查（每个已录脚本都被绑定、每个游标都耗尽），把静默的少放与错绑变成清晰诊断。车道不设 vitest 重试；每文件一个 chromium、每场景一个新 context、每场景一个 host；视口固定；交互选择器锚定 role、`data-*` 属性和可见文本，而 frame 与会话区采集则使用既有的 CSS 模块局部类名锚点。常规场景在客户端启动前设置 `dsh.locale=en`，使本地化的 role 定位器和预期输出统一采用明确指定的语言；断言中文文案的场景则不预设该存储项，改为开启 `zh-CN` 浏览器，因为客户端的初始 locale 由 `navigator` 推导（[由浏览器推导初始 locale](../feature/2026-07-31-browser-derived-initial-locale.md)），而 `settings-chrome.e2e.ts` 还额外覆盖双向切换与英文浏览器默认态。
 
 ### 预期输出
 
@@ -76,13 +76,12 @@ Web GUI 以一条真实组装链交付——chromium 页面 → client 插件 bu
 
 ## Testing
 
-`pnpm run test:web` 构建并无密钥运行该车道；`test:web:built` 基于现有构建产物运行。`DSH_SNAPSHOT=record pnpm exec vitest run --config vitest.web.config.ts apps/web/tests/<spec>` 对真实模型录制一个发起提示的场景，`DSH_SNAPSHOT=refresh pnpm run test:web` 则无密钥重写 aria 预期输出。CI 显式选择回放模式。scaffold 环境隔离场景会在全部 3 个环境 skill 根目录中分别填入不同条目，并要求这些条目都不得进入组装后的目录。`dsh-llm-replay` 单元覆盖率钉住节奏控制、取消、消费诊断、sidecar 校验、按索引替换与唯一的追加位置。
+`pnpm run test:web` 构建并无密钥运行该车道；`test:web:built` 基于现有构建产物运行。`DSH_SNAPSHOT=record pnpm exec vitest run --config vitest.web.config.ts apps/web/tests/<spec>` 对真实模型录制一个发起提示的场景，`DSH_SNAPSHOT=refresh pnpm run test:web` 则无密钥重写 aria 预期输出。CI 显式选择回放模式。live-interactions AUTH 场景会把不可重试的终态失败钉为 Chat 内联状态，其中携带适合展示的消息与错误码，并验证提供方回显的凭据片段不会出现在 Chat 或 Trajectory 中；该场景同时覆盖输入框恢复与 `turn/end` 错误。scaffold 环境隔离场景会在全部 3 个环境 skill 根目录中分别填入不同条目，并要求这些条目都不得进入组装后的目录。`dsh-llm-replay` 单元覆盖率钉住节奏控制、取消、消费诊断、sidecar 校验、按索引替换与唯一的追加位置。
 
 ## 暂缓
 
 - **Web 头类别钉住**：web fixture 处处 token 化 `{{system}}`/`{{tools}}`，没有场景钉住 web 组合的提示词/工具 schema（`TODO(web-header-pin)`——scaffold 的 `recordFixture` JSDoc 有标记）。沿用 TUI 处处脱敏先例；当 web 组装的请求头与其镜像的 repl 组合进一步分叉时重审。
 - **恢复后追问场景**：真实 wire 上的历史/实时缝合路径；当该代码变更或回归时作为独立场景补充。
-- **Web 错误表面**：客户端不消费任何 `agent/error` 帧，分片前的失败也没有可冻结的部分输出，因此不可重试的提供方失败不渲染任何错误文案——用户看到的只是发送就此停住。AUTH 场景钉住当前契约（不崩溃、输入框恢复可用、轮次记录为 `error`），`FIXME(web-error-surface)` 标记了待 UI 长出错误渲染后断言可见错误文本的位置。
 - **输入框 steering 手势**：输入在运行期间锁定（只能停止或等待），因此 steering 场景从页面走 wire 做 steer；`TODO(web-steer-composer)` 待产品长出真实的输入框手势后，把驱动步骤升级为该手势。
 - **拖拽会话重排**：`workspace.insertSessionBefore` 尚无浏览器场景；它需要在同一个工作区里物化两个会话，并合成 HTML5 拖拽事件。当该表面变更或回归时再补充。无行为的会话 Rename/Fork/Delete 和工作区 Delete 菜单行待获得行为后再补充场景。
 
diff --git a/.agents/notes/implemented/testing/2026-07-30-vitest-jsdom-webstorage-ownership.i18n.yaml b/.agents/notes/implemented/testing/2026-07-30-vitest-jsdom-webstorage-ownership.i18n.yaml
new file mode 100644
index 0000000000..e829874e9d
--- /dev/null
+++ b/.agents/notes/implemented/testing/2026-07-30-vitest-jsdom-webstorage-ownership.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write .agents/notes/implemented/testing/2026-07-30-vitest-jsdom-webstorage-ownership.md
+2026-07-30-vitest-jsdom-webstorage-ownership.md: 3956a7566fa1c79a767636bce9a19f16588126e2
+2026-07-30-vitest-jsdom-webstorage-ownership.zh.md: 9080ee2762b74bf2efdaccd7a5905672001bc0e8
diff --git a/.agents/notes/implemented/testing/2026-07-30-vitest-jsdom-webstorage-ownership.md b/.agents/notes/implemented/testing/2026-07-30-vitest-jsdom-webstorage-ownership.md
new file mode 100644
index 0000000000..3956a7566f
--- /dev/null
+++ b/.agents/notes/implemented/testing/2026-07-30-vitest-jsdom-webstorage-ownership.md
@@ -0,0 +1,26 @@
+# Agent Note: Keep browser storage owned by jsdom in Vitest
+
+Status: implemented
+
+English | [中文](2026-07-30-vitest-jsdom-webstorage-ownership.zh.md)
+
+## Problem
+
+The supported Node range includes releases that reserve a process-wide `globalThis.localStorage`. Node 26 exposes that property as `undefined` without `--localstorage-file`; Vitest sees the reserved key and does not project jsdom's isolated `Storage` object over it. Component suites then fail before exercising product behavior, while the primary Node 24 coverage lane remains green because that runtime does not reserve the key by default.
+
+## Decision
+
+Vitest workers disable Node's process-wide Web Storage when the runtime advertises the `--webstorage` flag. The configuration passes `--no-webstorage` through each test project's `execArgv`; runtimes without that flag receive no argument. Node-environment suites therefore stay browser-free, and files selecting jsdom through `@vitest-environment jsdom` receive jsdom's isolated `localStorage`.
+
+The Node compatibility aggregate runs a dedicated jsdom smoke on every advertised compatibility line. It asserts both the conditional worker argument and usable storage, so a future Node or Vitest change cannot leave the primary Node 24 suite as the only signal.
+
+## Alternatives considered
+
+- **Set `NODE_OPTIONS=--no-webstorage` in package scripts or CI.** Rejected because it leaks test-runner policy into subprocesses and misses direct `pnpm exec vitest` invocations.
+- **Pass `--localstorage-file` to Node.** Rejected because one process-wide persistent store has different ownership and isolation semantics from browser storage created per jsdom environment.
+- **Patch `globalThis.localStorage` in setup code or guard every component test.** Rejected because setup would depend on Vitest's private jsdom projection details, while per-test guards hide a broken browser environment and duplicate policy across suites.
+- **Pin tests to Node 24.** Rejected because the package engine advertises newer even Node lines and the compatibility matrix exists to expose their runtime changes.
+
+## Consequences
+
+The same `pnpm test` command works on Node releases with and without built-in Web Storage. Test workers deliberately cannot exercise Node's process-wide Web Storage; a future product need for that API requires a separate explicit test configuration rather than weakening jsdom isolation. The compatibility lane adds one focused Vitest process instead of duplicating the complete unit inventory on every Node version.
diff --git a/.agents/notes/implemented/testing/2026-07-30-vitest-jsdom-webstorage-ownership.zh.md b/.agents/notes/implemented/testing/2026-07-30-vitest-jsdom-webstorage-ownership.zh.md
new file mode 100644
index 0000000000..9080ee2762
--- /dev/null
+++ b/.agents/notes/implemented/testing/2026-07-30-vitest-jsdom-webstorage-ownership.zh.md
@@ -0,0 +1,26 @@
+# Agent Note: 在 Vitest 中将浏览器存储交由 jsdom 管理
+
+Status: implemented
+
+[English](2026-07-30-vitest-jsdom-webstorage-ownership.md) | 中文
+
+## 问题
+
+受支持的 Node 版本范围包含会预留进程级 `globalThis.localStorage` 的版本。未设置 `--localstorage-file` 时，Node 26 将该属性暴露为 `undefined`；Vitest 检测到这个预留键后，不会用 jsdom 的隔离 `Storage` 对象覆盖该属性。因此，组件测试套件尚未验证产品行为便会失败，而主要的 Node 24 覆盖率分支仍能通过，因为该运行时默认不会预留此键。
+
+## 决策
+
+当运行时声明支持 `--webstorage` 标志时，Vitest worker 会禁用 Node 的进程级 Web Storage。配置通过每个测试项目的 `execArgv` 传入 `--no-webstorage`；未声明该标志的运行时则不传入此参数。因此，Node 环境测试套件不加载浏览器环境，而通过 `@vitest-environment jsdom` 选择 jsdom 的文件会获得 jsdom 隔离的 `localStorage`。
+
+Node 兼容性汇总任务会在每条声明支持的兼容版本线上运行专用的 jsdom 冒烟测试。该测试同时断言 worker 参数按条件传入且存储可用，因此未来 Node 或 Vitest 的变化不会让主要的 Node 24 测试套件成为唯一检测信号。
+
+## 曾考虑的替代方案
+
+- **在包脚本或 CI 中设置 `NODE_OPTIONS=--no-webstorage`。** 否决：这会将测试运行器策略传播到子进程，也无法覆盖直接调用 `pnpm exec vitest` 的情况。
+- **向 Node 传入 `--localstorage-file`。** 否决：单个进程级持久化存储与每个 jsdom 环境分别创建的浏览器存储具有不同的归属和隔离语义。
+- **在初始化代码中修改 `globalThis.localStorage`，或为每个组件测试增加保护逻辑。** 否决：初始化逻辑会依赖 Vitest 私有的 jsdom 映射细节，而逐测试添加的保护逻辑会掩盖浏览器环境损坏，并在多个测试套件中重复该策略。
+- **将测试固定在 Node 24。** 否决：包的引擎范围声明支持更新的偶数 Node 版本线，而兼容性矩阵正是为了暴露这些版本的运行时变化。
+
+## 后果
+
+同一条 `pnpm test` 命令在有无内置 Web Storage 的 Node 版本上均可运行。测试 worker 被有意禁止使用 Node 的进程级 Web Storage；未来若产品需要该 API，必须使用独立且显式的测试配置，而不能削弱 jsdom 隔离。兼容性分支只增加一个专项 Vitest 进程，无需在每个 Node 版本上重复整套单元测试。
diff --git a/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.i18n.yaml b/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.i18n.yaml
index 9ce321434f..0c5c704684 100644
--- a/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.i18n.yaml
+++ b/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write .agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.md
-2026-07-28-storage-root-and-derived-medium-recovery.md: 3937b17502d0bf640625e73822b758b1862b5391
-2026-07-28-storage-root-and-derived-medium-recovery.zh.md: ff2f196a911986d23b7a102e6336f353c6aef278
+2026-07-28-storage-root-and-derived-medium-recovery.md: 2edb60d204da736bf14ace6278fa4ee7b9e4b8f7
+2026-07-28-storage-root-and-derived-medium-recovery.zh.md: daef4f7661df069df3438f909f2744880a93a873
diff --git a/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.md b/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.md
index 3937b17502..2edb60d204 100644
--- a/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.md
+++ b/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.md
@@ -8,7 +8,7 @@ English | [中文](2026-07-28-storage-root-and-derived-medium-recovery.zh.md)
 
 The persisted projection cache ([RFC](2026-07-27-session-projection-and-command-log.md), shipped as `dsh-session-projection-cache`) surfaced two gaps in the storage substrate it landed on. Both are properties of the domain-KV stack ([design](2026-07-24-domain-kv-storage-and-workspace.md)), not of the cache itself, and both bite the cache first because it is the first *derived* medium on that stack.
 
-**Where the files actually live.** The shipped Web overlay gives the json backend a relative root — `root: './.storages'` (`apps/cli/config/web.cordis.yml`) — while the shared base defaults the session store to the global harness home (`$DSH_HOME/sessions`, default `~/.dsh/sessions`); no equivalent global root exists for `storage-json`. `JsonStorageBackend` never resolves its root either — each unit open joins the still-relative path against whatever `process.cwd()` is at that moment (packages/storage/storage-json/src/index.ts) — the exact hazard the JSONL session backend resolves-once to prevent ("later process.cwd() changes cannot split one backend across roots", packages/session-persistence/session-persistence-jsonl/src/index.ts). Net effect: session logs are global across launch directories, but `workspace.json` and `session_projcache.json` land under `<launch dir>/.storages/`. Two launches from different directories share their sessions yet see different workspace registries and different projection caches — and the cache exists precisely to serve the cross-session cold listing, which now misses for every session last cached under another launch directory.
+**Where the files actually live (root mismatch closed; resolve-once residual still open).** The shared base defaults the session store to the global harness home (`$DSH_HOME/sessions`, default `~/.dsh/sessions`), while the shipped Web overlay used to give the json backend the relative root `./.storages`: `workspace.json` and `session_projcache.json` landed under `<launch dir>/.storages/` — two launches from different directories shared their sessions yet saw different workspace registries and different projection caches, and the cache exists precisely to serve the cross-session cold listing, which missed for every session last cached under another launch directory. That mismatch is now closed: the overlay anchors `storage-json.root` to `$DSH_HOME/storages` with the same `!!js` expression the session root uses (`apps/cli/config/web.cordis.yml`). The residual hazard: `JsonStorageBackend` still never resolves its root — each unit open joins the path against whatever `process.cwd()` is at that moment (packages/storage/storage-json/src/index.ts); the shipped overlay root is already absolute and unaffected, but any relative root (bare Loader boots, tests) still splits on a later cwd change — the exact hazard the JSONL session backend resolves-once to prevent ("later process.cwd() changes cannot split one backend across roots", packages/session-persistence/session-persistence-jsonl/src/index.ts).
 
 **How recovery works today.** Inside a healthy medium the cache is fully self-healing by design: a `stateVersion`-mismatched row is discarded and refolded, a log shrunk below a row's watermark is detected by the anchored restore floor and answered with one full re-read, and every background write is fail-soft. But at the *medium* level there is no recovery at all: a truncated, hand-edited, or version-bumped `session_projcache.json` fails `openJsonUnit` with `malformed-medium`/`version-mismatch` (packages/storage/storage-json/src/format.ts), a schema-drifted record fails domain open with `invalid-record` (packages/storage/storage-domain/src/index.ts), the rejection propagates through `SessionProjectionCache[Service.init]`, and under the CLI's fail-loud boot the assembly refuses to start. A file whose entire content is rebuildable from session logs can brick boot. This contradicts the cache package's own stated stance ("a stale or unreadable cache costs a longer tail replay, never a wrong value") and the cache domain spec's JSDoc ("version bumps discard the whole medium"), which today describes an aspiration, not the implementation. The same fail-loud path is *correct* for `workspace.json` — workspace records are authoritative, not derivable — so the missing concept is a per-domain declaration of authority, not a global behavior change.
 
@@ -16,11 +16,11 @@ The persisted projection cache ([RFC](2026-07-27-session-projection-and-command-
 
 Two independent changes, one per gap.
 
-### One global storage root, resolved once
+### One global storage root (shipped, amended form); resolved once at construction (still open)
 
-- `AppCLIEntry.composePatches` Source 0 additionally patches `storage-json.root` to `join(resolveDshHome(), 'storages')` — `~/.dsh/storages` by default, beside `~/.dsh/sessions` — and `PROFILE_MAPPINGS` gains `storageRoot` → (`storage-json`, `root`), mirroring `persistenceRoot` exactly. The yml keeps `./.storages` as the raw-composition engineering default (tests and bare Loader boots are unaffected), same layering as the session root today.
-- `JsonStorageBackend` resolves its configured root once at construction (`resolve(config.root)`), adopting the JSONL backend's recorded rationale verbatim: a later `process.cwd()` change must not split one backend across roots. The SQLite storage backend already resolves its path.
-- Pre-release stance applies: no migration shim. A deployment that cached under `<cwd>/.storages` re-derives everything (workspace re-bootstraps from the header index; the projection cache refolds lazily) or moves the two json files by hand once.
+- **Shipped**: the Web overlay anchors `storage-json.root` to `$DSH_HOME/storages` directly in the row through the app-boot-provided `dshHomePath('storages')` (`~/.dsh/storages` by default, beside `~/.dsh/sessions`; no leading dot — the home is already a hidden tree). The helper delegates to the canonical `dsh-paths` resolver, and the session root uses the same function without duplicating its fallback and tilde rules. The user ruled the per-row form in over this section's original launcher-patch + `storageRoot` profile key (see Alternatives); per-row overrides ride the personal `~/.dsh/config.yaml` patch layer. The web e2e scaffold already patches the row to an absolute temp root, so tests never touch the user's home.
+- **Still open**: `JsonStorageBackend` resolves its configured root once at construction (`resolve(config.root)`), adopting the JSONL backend's recorded rationale verbatim: a later `process.cwd()` change must not split one backend across roots. The SQLite storage backend already resolves its path.
+- Pre-release stance applies (and was executed): no migration shim. A deployment that cached under `<cwd>/.storages` re-derives everything (workspace re-bootstraps from the header index; the projection cache refolds lazily) or moves the two json files by hand once.
 
 ### Declared derived media: reset instead of reject
 
@@ -31,7 +31,9 @@ Two independent changes, one per gap.
 
 ## Alternatives considered
 
-**Keep per-launch-directory `.storages` (status quo)** — rejected: sessions are global, so every derived-from-sessions medium splits against its own source of truth; the cache's motivating scenario (one listing over all sessions) structurally misses rows, and the workspace registry indexes sessions it cannot see from another launch directory.
+**Keep per-launch-directory `.storages` (the pre-change status quo)** — rejected: sessions are global, so every derived-from-sessions medium splits against its own source of truth; the cache's motivating scenario (one listing over all sessions) structurally misses rows, and the workspace registry indexes sessions it cannot see from another launch directory.
+
+**Launcher patch + a `storageRoot` profile key (this section's original form)** — not taken: one `!!js` yml expression reaches the global root with the same layering the session root already has; a launcher patch adds a second rewrite point, and the profile key is an empty seat until a real consumer exists (per-row overrides already have the personal config.yaml patch layer).
 
 **Patch only the projection cache's route to a global root, leave `workspace.json` per-cwd** — rejected: the workspace registry has the identical global-vs-cwd mismatch, and the user decision that shaped the cache placed it deliberately beside `workspace.json` — one hub root keeps the media co-located and the mental model single.
 
@@ -45,7 +47,7 @@ Two independent changes, one per gap.
 
 ## Acceptance criteria
 
-- `dsh` launched from any directory reads and writes the same `$DSH_HOME/storages/*.json` (default `~/.dsh/storages`); the profile key `storageRoot` overrides it; a raw Loader boot of the yml still lands in `./.storages` relative to the boot cwd, resolved once at backend construction.
+- `dsh` launched from any directory reads and writes the same `$DSH_HOME/storages/*.json` (default `~/.dsh/storages`) — already satisfied by the overlay expression; per-row overrides ride the personal config.yaml patch layer; the backend resolves a relative root once at construction (still to do).
 - With a truncated, version-bumped, or schema-drifted `session_projcache.json`, the assembly boots clean: one warning names the discarded medium, the file is gone, the cache rebuilds through normal operation, and the cold listing column reappears as sessions are re-checkpointed.
 - The same damage to `workspace.json` still fails boot loudly.
 - Facility tests cover: each damage class resets a `'reset'` domain exactly once; non-damage failures stay loud on a `'reset'` domain; a `'reject'` domain propagates every failure; `destroy` removes the medium on both shipped backends.
diff --git a/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.zh.md b/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.zh.md
index ff2f196a91..daef4f7661 100644
--- a/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.zh.md
+++ b/.agents/notes/proposed/architecture/2026-07-28-storage-root-and-derived-medium-recovery.zh.md
@@ -8,7 +8,7 @@ Status: proposed
 
 持久投影缓存（[RFC](2026-07-27-session-projection-and-command-log.md)，已作为 `dsh-session-projection-cache` 落地）暴露了它所依托的存储基座的两个缺口。二者都是 domain-KV 栈（[设计](2026-07-24-domain-kv-storage-and-workspace.md)）的属性而非缓存自身的问题，且都首先咬到缓存——因为它是这条栈上第一个*派生*介质。
 
-**文件到底存在哪。** 出厂 Web overlay 给 json 后端的是相对根目录——`root: './.storages'`（`apps/cli/config/web.cordis.yml`）——而共享 base 将会话存储默认为全局 harness home（`$DSH_HOME/sessions`，默认 `~/.dsh/sessions`）；`storage-json` 没有对应的全局根目录。`JsonStorageBackend` 自己也从不 resolve 根——每次打开 unit 都把仍然相对的路径 join 到当时的 `process.cwd()` 上（packages/storage/storage-json/src/index.ts）——这正是 JSONL 会话后端用「构造时 resolve 一次」防住的那个隐患（"later process.cwd() changes cannot split one backend across roots"，packages/session-persistence/session-persistence-jsonl/src/index.ts）。净效果：会话日志跨启动目录全局共享，但 `workspace.json` 和 `session_projcache.json` 落在 `<启动目录>/.storages/` 下。从两个不同目录启动，会话相同，工作区注册表和投影缓存却各是一份——而缓存存在的意义恰恰是跨会话冷列表，如今凡是上次在别的启动目录下缓存过的会话全部 miss。
+**文件到底存在哪（根错位已收口，resolve-once 残余仍开放）。** 共享 base 将会话存储默认为全局 harness home（`$DSH_HOME/sessions`，默认 `~/.dsh/sessions`），而出厂 Web overlay 曾给 json 后端相对根 `./.storages`：`workspace.json` 和 `session_projcache.json` 落在 `<启动目录>/.storages/` 下——从两个不同目录启动，会话相同，工作区注册表和投影缓存却各是一份，而缓存存在的意义恰恰是跨会话冷列表，凡上次在别的启动目录下缓存过的会话全部 miss。这一错位已消除：overlay 现以与会话根同一段 `!!js` 表达式把 `storage-json.root` 锚定到 `$DSH_HOME/storages`（`apps/cli/config/web.cordis.yml`）。残余隐患：`JsonStorageBackend` 仍从不 resolve 根——每次打开 unit 都把路径 join 到当时的 `process.cwd()` 上（packages/storage/storage-json/src/index.ts）；出厂 overlay 的根已是绝对路径不受影响，但任何相对根（裸 Loader 启动、测试）仍会被后续 cwd 变化劈开，JSONL 会话后端用「构造时 resolve 一次」防住的正是它（"later process.cwd() changes cannot split one backend across roots"，packages/session-persistence/session-persistence-jsonl/src/index.ts）。
 
 **现在是怎么恢复的。** 在健康介质内部，缓存按设计完全自愈：`stateVersion` 不匹配的行被丢弃重折，日志缩短到行水位以下由带锚的 restore floor 检出并以一次全量重读回答，每次后台写都是 fail-soft。但在*介质*层面完全没有恢复：被截断、被手改或版本被 bump 的 `session_projcache.json` 会让 `openJsonUnit` 以 `malformed-medium`/`version-mismatch` 失败（packages/storage/storage-json/src/format.ts），schema 漂移的记录让域 open 以 `invalid-record` 失败（packages/storage/storage-domain/src/index.ts），拒绝一路穿过 `SessionProjectionCache[Service.init]`，在 CLI 的 fail-loud 启动下整个组装拒绝启动。一个内容完全可从会话日志重建的文件能把启动搞死。这与缓存包自己声明的立场（"a stale or unreadable cache costs a longer tail replay, never a wrong value"）和缓存域 spec 的 JSDoc（"version bumps discard the whole medium"）相矛盾——后者今天描述的是愿望而非实现。同一条 fail-loud 路径对 `workspace.json` 却是*正确*的——工作区记录是权威数据，不可派生——所以缺的概念是按域声明权威性，而不是全局改行为。
 
@@ -16,11 +16,11 @@ Status: proposed
 
 两个独立改动，一个缺口一个。
 
-### 全局唯一存储根，构造时 resolve 一次
+### 全局唯一存储根（已落地，形态修正）；构造时 resolve 一次（仍开放）
 
-- `AppCLIEntry.composePatches` 的 Source 0 追加把 `storage-json.root` patch 到 `join(resolveDshHome(), 'storages')`——默认 `~/.dsh/storages`，与 `~/.dsh/sessions` 并肩——并且 `PROFILE_MAPPINGS` 增加 `storageRoot` →（`storage-json`，`root`），与 `persistenceRoot` 完全镜像。yml 保留 `./.storages` 作为裸组合的工程默认（测试和裸 Loader 启动不受影响），分层方式与今天的会话根相同。
-- `JsonStorageBackend` 在构造时对配置根 `resolve` 一次，原样采纳 JSONL 后端已记录的理由：后续 `process.cwd()` 变化不得把一个后端劈到多个根下。SQLite 存储后端已经 resolve 其路径。
-- 适用 pre-release 立场：不做迁移垫片。曾在 `<cwd>/.storages` 下缓存过的部署要么全部重新派生（工作区从 header 索引重新 bootstrap；投影缓存惰性重折），要么手动把两个 json 文件挪一次。
+- **已落地**：出厂 Web overlay 通过 app-boot 提供的 `dshHomePath('storages')`，直接在 `storage-json` 行内把 `root` 锚定到 `$DSH_HOME/storages`（默认 `~/.dsh/storages`，与 `~/.dsh/sessions` 并肩；目录名不带点——home 本身已是隐藏树）。该辅助函数委托给规范的 `dsh-paths` 解析器，会话根也使用同一个函数，无需重复其回退和波浪号规则。用户拍板采用这种按行形态取代本节初版的「launcher patch + `storageRoot` profile 键」（见 Alternatives）；按行覆盖仍走个人 `~/.dsh/config.yaml` patch 层。web e2e scaffold 本就把该行 patch 到临时绝对根，测试不触用户 home。
+- **仍开放**：`JsonStorageBackend` 在构造时对配置根 `resolve` 一次，原样采纳 JSONL 后端已记录的理由：后续 `process.cwd()` 变化不得把一个后端劈到多个根下。SQLite 存储后端已经 resolve 其路径。
+- 适用 pre-release 立场（已按此执行）：不做迁移垫片。曾在 `<cwd>/.storages` 下缓存过的部署要么全部重新派生（工作区从 header 索引重新 bootstrap；投影缓存惰性重折），要么手动把两个 json 文件挪一次。
 
 ### 声明派生介质：损坏时重置而非拒绝
 
@@ -31,7 +31,9 @@ Status: proposed
 
 ## Alternatives considered
 
-**保持按启动目录的 `.storages`（现状）**——拒绝：会话是全局的，所以每个从会话派生的介质都与自己的真源劈叉；缓存的动机场景（一次列出全部会话）结构性丢行，工作区注册表索引着从另一个启动目录看不见的会话。
+**保持按启动目录的 `.storages`（改动前现状）**——拒绝：会话是全局的，所以每个从会话派生的介质都与自己的真源劈叉；缓存的动机场景（一次列出全部会话）结构性丢行，工作区注册表索引着从另一个启动目录看不见的会话。
+
+**launcher patch + `storageRoot` profile 键（本节初版提案形态）**——未采：一行 yml `!!js` 表达式即达全局根，与会话根的既有分层完全一致；launcher patch 多引入一个改写点，profile 键在有真实消费者前是空席（按行覆盖已有个人 config.yaml patch 层可用）。
 
 **只把投影缓存的 route 指到全局根，`workspace.json` 留在 per-cwd**——拒绝：工作区注册表有一模一样的全局 vs per-cwd 错位，而且塑造缓存的用户决策就是刻意把它放在 `workspace.json` 旁边——一个 hub 根让介质同址、心智模型单一。
 
@@ -45,7 +47,7 @@ Status: proposed
 
 ## Acceptance criteria
 
-- 从任意目录启动 `dsh` 都读写同一份 `$DSH_HOME/storages/*.json`（默认 `~/.dsh/storages`）；profile 键 `storageRoot` 可覆盖；裸 Loader 启动 yml 仍落在相对启动 cwd 的 `./.storages`,并在后端构造时 resolve 一次。
+- 从任意目录启动 `dsh` 都读写同一份 `$DSH_HOME/storages/*.json`（默认 `~/.dsh/storages`）——已由 overlay 表达式满足，按行覆盖走个人 config.yaml patch 层；后端对相对根在构造时 resolve 一次（待做）。
 - `session_projcache.json` 被截断、版本 bump 或 schema 漂移时，组装干净启动：一条警告命名被丢弃的介质，文件消失，缓存经正常运转重建，冷列表列随会话重新 checkpoint 逐步回归。
 - 同样的损坏发生在 `workspace.json` 上仍大声拒绝启动。
 - facility 测试覆盖：每个损坏类恰好重置一次 `'reset'` 域；非损坏失败在 `'reset'` 域上保持大声；`'reject'` 域传播一切失败；`destroy` 在两个出厂后端上都移除介质。
diff --git a/.gitattributes b/.gitattributes
index a51c5e7b5e..2efafac8b8 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -5,3 +5,5 @@
 # for cmd.exe), add a `*.bat text eol=crlf` override AFTER this line — the
 # in-repo form stays LF; CRLF becomes checkout-time presentation only.
 * text=auto eol=lf
+
+*.pdf binary
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6b2a5dd9d5..821948f873 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -108,11 +108,10 @@ jobs:
           || 'dsh-ubuntu-24-04-16core' }}
     name: node 24 / coverage
     env:
-      # Failover shrinks the worker bound: the hosted 32-core runner is
-      # exclusive to one job, but the failover pool shares one 64-core VM
-      # across six always-on runner instances, and the timing-sensitive
-      # process suites have documented aggregate-contention failures.
-      # 8 × 6 instances = 48 workers worst case on 64 cores.
+      # The hosted 16-core runner uses six coverage workers. The failover pool
+      # shares one 64-core VM across six always-on runner instances, so each
+      # instance may use eight while keeping the worst case at 8 × 6 = 48
+      # workers; process-bound suites remain isolated in forks.
       DSH_COVERAGE_MAX_WORKERS: ${{ vars.DSH_CI_FAILOVER == 'selfhosted' && github.event.pull_request.user.login != 'dependabot[bot]' && '8' || '6' }}
       DSH_GATE_CONCURRENCY: '3'
     steps:
diff --git a/README.i18n.yaml b/README.i18n.yaml
index 7584d4f293..75f61c7f43 100644
--- a/README.i18n.yaml
+++ b/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write README.md
-README.md: f9f7294b42e29132d5cd46c0ab6a5f5265a1d8f3
-README.zh.md: 88cbf8522d8f1a183a48dc7e80858d1a0ced8f0f
+README.md: fb956dce51838438fb508db7ea9ebdf9e0b3a50b
+README.zh.md: aa80b744465d7d253a54fffeead7262a1fdf69eb
diff --git a/README.md b/README.md
index f9f7294b42..fb956dce51 100644
--- a/README.md
+++ b/README.md
@@ -6,12 +6,22 @@ DeepSeek Harness (`dsh`) is an open-source coding agent built on the DeepSeek Ha
 
 It uses an architecture where **everything is a plugin**.
 
+## Internal testing notice
+
+感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部测试阶段，功能仍待完善，体验难免有些粗糙。
+
+“如切如磋，如琢如磨。” 产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实使用中发现的问题，也可能促使我们重新审视，甚至推翻已有的设计。
+
+为了帮助我们更准确地还原您真实使用中的问题，内测版本默认会上传所有 Session Log；如需关闭，可以设置环境变量 `DSH_TELEMETRY_DISABLED=1`。另外，如果您有任何反馈与建议，请在企业微信群中留言告诉我们。每一条反馈，都会帮助我们把它打磨得更好。
+
 ## Install
 
-Install `dsh` with one command:
+Clone the repository, then run the installer:
 
 ```sh
-curl -fsSL https://raw.githubusercontent.com/deepseek-harness/deepseek-harness/master/scripts/install.sh | sh
+git clone <repo-url>
+cd deepseek-harness
+scripts/install.sh
 ```
 
 The installer requires `git` and Node `^22.19 || >=24`, offers to install `pnpm` when it is missing, and prompts for a DeepSeek API key.
@@ -22,20 +32,14 @@ The installer keeps every checkout under `~/.dsh/source`: the master clone at `~
 
 ### Web UI
 
-For the recommended local interface, build the frontend after installation and after each update, then start the Web UI. Resolve the running checkout from the `dsh` launcher so the command holds regardless of which staging worktree is current (the launcher resolves through the stable `current` symlink):
+For the recommended local interface, build the active checkout after installation and after each update, then start the Web UI:
 
 ```sh
-dsh_bin=$(cd "$(dirname "$(command -v dsh)")" && pwd -P)/$(basename "$(command -v dsh)")
-while [ -L "$dsh_bin" ]; do
-  link=$(readlink "$dsh_bin")
-  case $link in /*) dsh_bin=$link ;; *) dsh_bin=$(cd "$(dirname "$dsh_bin")" && cd "$(dirname "$link")" && pwd -P)/$(basename "$link") ;; esac
-done
-dsh_dir=$(cd "$(dirname "$dsh_bin")/.." && pwd -P)
-pnpm --dir "$dsh_dir" run build && pnpm --dir "$dsh_dir" run build:web
+(cd ~/.dsh/source/current && pnpm run build)
 dsh web
 ```
 
-The Web UI is served at `http://127.0.0.1:3080` by default.
+The full build produces the library and client bundles plus the frontend dist. The path above is the installer's default. If you set `DSH_SOURCE` or `DSH_CURRENT`, or reused an existing checkout, replace `~/.dsh/source/current` with that checkout path; see [`scripts/install.sh`](scripts/install.sh) for details. The Web UI is served at `http://127.0.0.1:3080` by default.
 
 ### TUI
 
@@ -53,11 +57,22 @@ Run one task, print the final answer, and exit:
 dsh -p "summarize this workspace"
 ```
 
+### Automation and SDKs
+
+From a source checkout with `DEEPSEEK_API_KEY` in the environment or its root `.env`, start the ACP automation server:
+
+```sh
+pnpm run demo:acp
+```
+
+The [Python SDK](python/README.md) drives a bundled JSON-RPC runtime. The [examples](examples/README.md) cover the runnable headless, ACP, JSON-RPC, Code Mode, and self-referential compositions.
+
 ## Why DeepSeek Harness
 
-Built-in capabilities cover file reading, editing, and search; shell execution; reusable skills; task tracking; subagents and workflows; persistent sessions; and context compaction. The TUI also includes Plan Mode.
+Built-in capabilities cover file reading, editing, and search; shell and persistent PTY execution; reusable skills; task tracking, goals, plans, todos, and background tasks; subagents and workflows; sandboxing and approvals; settings and credentials; persistent, resumable, forkable, and queryable sessions; LSP and web access; context compaction; and telemetry. Each composition selects the subset appropriate to its surface. The TUI and Web UI both include Plan Mode.
 
 - **Everything is a plugin.** Models, tools, policies, storage, context management, and interfaces are composable [Cordis plugins](docs/user/develop/basic/index.md), so deployments can extend or replace behavior without forking the agent loop. See the [architecture](docs/architecture.md) for the underlying design.
+- **Runs are reconstructable.** Anything visible to the model is logged in the authoritative session stream; persistence, resume/fork/query, replay, telemetry, and UIs derive from the same events. See the [session-log architecture](docs/architecture.md#session-log).
 - **Code Mode (opt-in).** It exposes a `run_code` tool and a generated TypeScript SDK; only program output re-enters model context. See [Code Mode](packages/core/tools/README.md#code-mode).
 - **Self-referential Cordis tools are opt-in.** They let the agent inspect its live runtime and mount or unmount plugins while it runs. See the [Cordis tools](packages/cordis/tool-cordis/README.md).
 
@@ -76,8 +91,10 @@ Start with the [development guide](docs/development.md) and read the [architectu
 
 For agents, follow [AGENTS.md](AGENTS.md).
 
-DeepSeek Harness is currently pre-release.
+DeepSeek Harness is currently in internal testing.
 
 ## License
 
 [BSD 3-Clause](LICENSE)
+
+Third-party dependencies and their licenses are disclosed in [THIRD_PARTY_NOTICES.md](THIRD_PARTY_NOTICES.md).
diff --git a/README.zh.md b/README.zh.md
index 88cbf8522d..aa80b74446 100644
--- a/README.zh.md
+++ b/README.zh.md
@@ -6,12 +6,22 @@ DeepSeek Harness（`dsh`）是一款基于 DeepSeek Harness SDK 构建的开源
 
 它采用了**一切皆插件**的架构。
 
+## 内测声明
+
+感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部测试阶段，功能仍待完善，体验难免有些粗糙。
+
+“如切如磋，如琢如磨。” 产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实使用中发现的问题，也可能促使我们重新审视，甚至推翻已有的设计。
+
+为了帮助我们更准确地还原您真实使用中的问题，内测版本默认会上传所有 Session Log；如需关闭，可以设置环境变量 `DSH_TELEMETRY_DISABLED=1`。另外，如果您有任何反馈与建议，请在企业微信群中留言告诉我们。每一条反馈，都会帮助我们把它打磨得更好。
+
 ## 安装
 
-使用一条命令安装 `dsh`：
+克隆仓库，然后运行安装器：
 
 ```sh
-curl -fsSL https://raw.githubusercontent.com/deepseek-harness/deepseek-harness/master/scripts/install.sh | sh
+git clone <repo-url>
+cd deepseek-harness
+scripts/install.sh
 ```
 
 安装器要求系统已安装 `git` 和 Node `^22.19 || >=24`，缺少 `pnpm` 时可代为安装，并会提示输入 DeepSeek API 密钥。
@@ -22,20 +32,14 @@ curl -fsSL https://raw.githubusercontent.com/deepseek-harness/deepseek-harness/m
 
 ### Web UI
 
-推荐在本地使用 Web UI。安装完成后以及每次更新后，请先构建前端，再启动 Web UI。通过 `dsh` 启动器解析当前运行的检出，这样无论当前是哪个 staging worktree，命令都成立（启动器会经由稳定的 `current` 符号链接解析）：
+推荐在本地使用 Web UI。安装完成后以及每次更新后，请先构建当前生效的检出，再启动 Web UI：
 
 ```sh
-dsh_bin=$(cd "$(dirname "$(command -v dsh)")" && pwd -P)/$(basename "$(command -v dsh)")
-while [ -L "$dsh_bin" ]; do
-  link=$(readlink "$dsh_bin")
-  case $link in /*) dsh_bin=$link ;; *) dsh_bin=$(cd "$(dirname "$dsh_bin")" && cd "$(dirname "$link")" && pwd -P)/$(basename "$link") ;; esac
-done
-dsh_dir=$(cd "$(dirname "$dsh_bin")/.." && pwd -P)
-pnpm --dir "$dsh_dir" run build && pnpm --dir "$dsh_dir" run build:web
+(cd ~/.dsh/source/current && pnpm run build)
 dsh web
 ```
 
-Web UI 默认通过 `http://127.0.0.1:3080` 提供服务。
+完整构建会生成库与客户端 bundle，以及前端 dist。上述路径是安装器的默认位置。如果你设置过 `DSH_SOURCE` 或 `DSH_CURRENT`，或者复用了已有检出，请把 `~/.dsh/source/current` 换成该检出路径；详情见 [`scripts/install.sh`](scripts/install.sh)。Web UI 默认通过 `http://127.0.0.1:3080` 提供服务。
 
 ### TUI
 
@@ -53,11 +57,22 @@ dsh
 dsh -p "summarize this workspace"
 ```
 
+### 自动化与 SDK
+
+在源码检出中通过环境变量或根目录 `.env` 设置 `DEEPSEEK_API_KEY`，然后启动 ACP（Agent Client Protocol）自动化服务器：
+
+```sh
+pnpm run demo:acp
+```
+
+[Python SDK](python/README.md) 驱动随附的 JSON-RPC 运行时。[示例](examples/README.md)涵盖可运行的 headless、ACP、JSON-RPC、Code Mode 和自指组合。
+
 ## 为什么选择 DeepSeek Harness
 
-内置功能涵盖文件读取、编辑与搜索、shell 执行、可复用 skill（技能）、任务跟踪、subagent 与工作流、持久化会话，以及上下文压缩（context compaction）。TUI 还包含 Plan Mode。
+内置功能涵盖文件读取、编辑与搜索、shell 和持久 PTY 执行、可复用 skill（技能）、任务跟踪、目标、计划、待办事项与后台任务、subagent 与工作流、沙箱与审批、设置与凭据、可持久化、恢复、fork 与查询的会话、LSP 与 Web 访问、上下文压缩（context compaction），以及遥测。每个组合只选用适合其使用方式的能力子集。TUI 与 Web UI 均包含 Plan Mode。
 
 - **一切皆插件。** 模型、工具、策略、存储、上下文管理和界面均可组合为 [Cordis 插件](docs/user/develop/basic/index.md)，部署方无需 fork agent loop（智能体循环）即可扩展或替换行为。底层设计见[架构文档](docs/architecture.md)。
+- **运行可重建。** 凡是模型可见的内容，都会记录在权威会话流中；持久化、恢复／fork／查询、回放、遥测和 UI 均从同一组事件派生。参见[会话日志架构](docs/architecture.md#session-log)。
 - **Code Mode（需显式启用）。** 它会提供 `run_code` 工具和生成的 TypeScript SDK，只有程序输出会重新进入模型上下文。参见 [Code Mode](packages/core/tools/README.md#code-mode)。
 - **自指 Cordis 工具需显式启用。** 这些工具可让 agent 检查自身的实时运行时，并在运行中挂载或卸载插件。参见 [Cordis 工具](packages/cordis/tool-cordis/README.md)。
 
@@ -80,8 +95,10 @@ pnpm run test:coverage
 
 面向 agent：遵循 [AGENTS.md](AGENTS.md)。
 
-DeepSeek Harness 目前处于预发布阶段。
+DeepSeek Harness 目前处于内测阶段。
 
 ## 许可证
 
 [BSD 3-Clause](LICENSE)
+
+第三方依赖及其许可证在 [THIRD_PARTY_NOTICES.md](THIRD_PARTY_NOTICES.md) 中披露。
diff --git a/THIRD_PARTY_NOTICES.md b/THIRD_PARTY_NOTICES.md
new file mode 100644
index 0000000000..075e1b34c4
--- /dev/null
+++ b/THIRD_PARTY_NOTICES.md
@@ -0,0 +1,165 @@
+<!-- Generated by scripts/gen-third-party-notices.ts — do not edit by hand.
+     Run `pnpm run gen-third-party-notices` to regenerate. -->
+
+# Third-Party Notices
+
+DeepSeek Harness is licensed under [BSD 3-Clause](LICENSE). It depends on the third-party open-source software listed below. Each project remains under its own license; nothing in this file changes those terms.
+
+This file lists **direct** dependencies declared by the workspace. It is generated from the workspace manifests by `scripts/gen-third-party-notices.ts`: a pre-commit hook regenerates it whenever a staged file changes one of its inputs, and `scripts/gen-third-party-notices.spec.ts` asserts in the test lane that the committed bytes match. Deleting a manifest runs no hook, so that case is caught by the assertion instead. Run `pnpm run verify-third-party-notices` for the standalone check.
+
+The complete npm transitive closure, with exact pinned versions, is recorded in [`pnpm-lock.yaml`](pnpm-lock.yaml) — inspect it with `pnpm licenses list`. The Python closure is recorded in [`python/sdk/uv.lock`](python/sdk/uv.lock), and the Landlock launcher workspace keeps its own in [`native/landlock-run/pnpm-lock.yaml`](native/landlock-run/pnpm-lock.yaml).
+
+## Vendored source (`vendor/`)
+
+The Cordis framework and its foundation libraries are source-vendored into this repository rather than consumed from npm. All are MIT-licensed; each directory preserves its upstream `LICENSE` file. Exact upstream commits and local modifications are recorded in [`vendor/README.md`](vendor/README.md).
+
+| Package | Upstream | License |
+| --- | --- | --- |
+| `cosmokit` | [github.com/deepseek-harness/cosmokit](https://github.com/deepseek-harness/cosmokit) | MIT |
+| `schemastery` | [github.com/deepseek-harness/schemastery](https://github.com/deepseek-harness/schemastery) | MIT |
+| `cordis` | [github.com/cordiverse/cordis](https://github.com/cordiverse/cordis) | MIT |
+| `@cordisjs/plugin-loader` | [github.com/cordiverse/cordis](https://github.com/cordiverse/cordis) | MIT |
+| `@cordisjs/plugin-include` | [github.com/deepseek-harness/cordis](https://github.com/deepseek-harness/cordis) | MIT |
+| `@cordisjs/plugin-group` | [github.com/deepseek-harness/cordis](https://github.com/deepseek-harness/cordis) | MIT |
+| `@cordisjs/plugin-timer` | [github.com/deepseek-harness/cordis](https://github.com/deepseek-harness/cordis) | MIT |
+| `@cordisjs/plugin-hmr` | [github.com/deepseek-harness/cordis](https://github.com/deepseek-harness/cordis) | MIT |
+| `@cordisjs/plugin-logger-console` | [github.com/deepseek-harness/cordis](https://github.com/deepseek-harness/cordis) | MIT |
+
+## Runtime npm dependencies
+
+External packages that a workspace package resolves at runtime. `scripts/install.sh` installs this repository itself, so the tier covers every plugin a user can mount from `cordis.yml` — not only what the `dsh` CLI/TUI, the Web UI, and the Python SDK runtime load by default.
+
+| Package | License |
+| --- | --- |
+| [`@agentclientprotocol/sdk`](https://github.com/agentclientprotocol/typescript-sdk) | Apache-2.0 |
+| [`@babel/code-frame`](https://github.com/babel/babel) | MIT |
+| [`@clack/core`](https://github.com/bombshell-dev/clack) | MIT |
+| [`@clack/prompts`](https://github.com/bombshell-dev/clack) | MIT |
+| [`@earendil-works/pi-ai`](https://github.com/earendil-works/pi) | MIT |
+| [`@earendil-works/pi-tui`](https://github.com/earendil-works/pi) | MIT |
+| [`@joplin/turndown-plugin-gfm`](https://github.com/laurent22/joplin-turndown-plugin-gfm) | MIT |
+| [`@modelcontextprotocol/sdk`](https://github.com/modelcontextprotocol/typescript-sdk) | MIT |
+| [`@opentelemetry/api`](https://github.com/open-telemetry/opentelemetry-js) | Apache-2.0 |
+| [`@opentelemetry/api-logs`](https://github.com/open-telemetry/opentelemetry-js) | Apache-2.0 |
+| [`@opentelemetry/exporter-logs-otlp-http`](https://github.com/open-telemetry/opentelemetry-js) | Apache-2.0 |
+| [`@opentelemetry/otlp-exporter-base`](https://github.com/open-telemetry/opentelemetry-js) | Apache-2.0 |
+| [`@opentelemetry/resources`](https://github.com/open-telemetry/opentelemetry-js) | Apache-2.0 |
+| [`@opentelemetry/sdk-logs`](https://github.com/open-telemetry/opentelemetry-js) | Apache-2.0 |
+| [`@shikijs/langs`](https://github.com/shikijs/shiki) | MIT |
+| [`@standard-schema/spec`](https://github.com/standard-schema/standard-schema) | MIT |
+| [`anser`](https://github.com/IonicaBizau/anser) | MIT |
+| [`chokidar`](https://github.com/paulmillr/chokidar) | MIT |
+| [`clsx`](https://github.com/lukeed/clsx) | MIT |
+| [`commander`](https://github.com/tj/commander.js) | MIT |
+| [`diff`](https://github.com/kpdecker/jsdiff) | BSD-3-Clause |
+| [`dotenv`](https://github.com/motdotla/dotenv) | BSD-2-Clause |
+| [`eventsource-parser`](https://github.com/rexxars/eventsource-parser) | MIT |
+| [`handlebars`](https://github.com/handlebars-lang/handlebars.js) | MIT |
+| [`immer`](https://github.com/immerjs/immer) | MIT |
+| [`js-yaml`](https://github.com/nodeca/js-yaml) | MIT |
+| [`jsonc-parser`](https://github.com/microsoft/node-jsonc-parser) | MIT |
+| [`koffi`](https://github.com/Koromix/koffi) | MIT |
+| [`mdast-util-from-markdown`](https://github.com/syntax-tree/mdast-util-from-markdown) | MIT |
+| [`mdast-util-gfm`](https://github.com/syntax-tree/mdast-util-gfm) | MIT |
+| [`micromark-extension-gfm`](https://github.com/micromark/micromark-extension-gfm) | MIT |
+| [`node-addon-require-builtin`](https://www.npmjs.com/package/node-addon-require-builtin) | MIT |
+| [`node-pty`](https://github.com/microsoft/node-pty) | MIT |
+| [`picomatch`](https://github.com/micromatch/picomatch) | MIT |
+| [`react`](https://github.com/facebook/react) | MIT |
+| [`react-dom`](https://github.com/facebook/react) | MIT |
+| [`react-markdown`](https://github.com/remarkjs/react-markdown) | MIT |
+| [`remark-gfm`](https://github.com/remarkjs/remark-gfm) | MIT |
+| [`saxes`](https://github.com/lddubeau/saxes) | ISC |
+| [`shiki`](https://github.com/shikijs/shiki) | MIT |
+| [`supports-color`](https://github.com/chalk/supports-color) | MIT |
+| [`tsx`](https://github.com/privatenumber/tsx) | MIT |
+| [`turndown`](https://github.com/mixmark-io/turndown) | MIT |
+| [`typescript`](https://github.com/microsoft/TypeScript) | Apache-2.0 |
+| [`use-sync-external-store`](https://github.com/facebook/react) | MIT |
+| [`yaml`](https://github.com/eemeli/yaml) | ISC |
+| [`zod`](https://github.com/colinhacks/zod) | MIT |
+| [`zustand`](https://github.com/pmndrs/zustand) | MIT |
+
+pnpm applies local patches to the following packages at install time, so shipped artifacts carry modified copies; each patch file is the complete record of the modification:
+
+- `@earendil-works/pi-tui@0.80.7` — [`patches/@earendil-works__pi-tui@0.80.7.patch`](patches/@earendil-works__pi-tui@0.80.7.patch)
+- `node-pty@1.1.0` — [`patches/node-pty@1.1.0.patch`](patches/node-pty@1.1.0.patch)
+
+## Development-only npm dependencies
+
+External packages **directly declared** only by repository tooling, test infrastructure, the documentation site, the demo leaves, or the native launcher's build workspace. No shipped surface names them itself. A package here may still be pulled in transitively by a runtime dependency — `pnpm-lock.yaml` is the authority on the full closure — so this tier records who declares a package, not what a build ultimately bundles.
+
+| Package | License |
+| --- | --- |
+| [`@braintree/sanitize-url`](https://github.com/braintree/sanitize-url) | MIT |
+| [`@modelcontextprotocol/server-everything`](https://github.com/modelcontextprotocol/servers) | MIT / Apache-2.0 |
+| [`@modelcontextprotocol/server-filesystem`](https://github.com/modelcontextprotocol/servers) | MIT / Apache-2.0 |
+| [`@stylistic/eslint-plugin`](https://github.com/eslint-stylistic/eslint-stylistic) | MIT |
+| [`@testing-library/dom`](https://github.com/testing-library/dom-testing-library) | MIT |
+| [`@testing-library/react`](https://github.com/testing-library/react-testing-library) | MIT |
+| [`@types/babel__code-frame`](https://github.com/DefinitelyTyped/DefinitelyTyped) | MIT |
+| [`@types/js-yaml`](https://github.com/DefinitelyTyped/DefinitelyTyped) | MIT |
+| [`@types/jsdom`](https://github.com/DefinitelyTyped/DefinitelyTyped) | MIT |
+| [`@types/mdast`](https://github.com/DefinitelyTyped/DefinitelyTyped) | MIT |
+| [`@types/node`](https://github.com/DefinitelyTyped/DefinitelyTyped) | MIT |
+| [`@types/picomatch`](https://github.com/DefinitelyTyped/DefinitelyTyped) | MIT |
+| [`@types/react`](https://github.com/DefinitelyTyped/DefinitelyTyped) | MIT |
+| [`@types/react-dom`](https://github.com/DefinitelyTyped/DefinitelyTyped) | MIT |
+| [`@types/spdx-expression-parse`](https://github.com/DefinitelyTyped/DefinitelyTyped) | MIT |
+| [`@types/turndown`](https://github.com/DefinitelyTyped/DefinitelyTyped) | MIT |
+| [`@typescript-eslint/parser`](https://github.com/typescript-eslint/typescript-eslint) | MIT |
+| [`@vitejs/plugin-react`](https://github.com/vitejs/vite-plugin-react) | MIT |
+| [`@vitest/coverage-v8`](https://github.com/vitest-dev/vitest) | MIT |
+| [`@xterm/headless`](https://github.com/xtermjs/xterm.js) | MIT |
+| [`@yarnpkg/cli-dist`](https://github.com/yarnpkg/berry) | BSD-2-Clause |
+| [`cytoscape`](https://github.com/cytoscape/cytoscape.js) | MIT |
+| [`cytoscape-cose-bilkent`](https://github.com/cytoscape/cytoscape.js-cose-bilkent) | MIT |
+| [`dayjs`](https://github.com/iamkun/dayjs) | MIT |
+| [`debug`](https://github.com/debug-js/debug) | MIT |
+| [`esbuild`](https://github.com/evanw/esbuild) | MIT |
+| [`eslint`](https://github.com/eslint/eslint) | MIT |
+| [`eslint-plugin-sonarjs`](https://github.com/SonarSource/SonarJS) | LGPL-3.0-only |
+| [`execa`](https://github.com/sindresorhus/execa) | MIT |
+| [`fast-check`](https://github.com/dubzzz/fast-check) | MIT |
+| [`jscpd`](https://github.com/kucherenko/jscpd) | MIT |
+| [`jsdom`](https://github.com/jsdom/jsdom) | MIT |
+| [`knip`](https://github.com/webpro-nl/knip) | ISC |
+| [`lefthook`](https://github.com/evilmartians/lefthook) | MIT |
+| [`lightningcss`](https://github.com/parcel-bundler/lightningcss) | MPL-2.0 |
+| [`mermaid`](https://github.com/mermaid-js/mermaid) | MIT |
+| [`oxlint`](https://github.com/oxc-project/oxc) | MIT |
+| [`oxlint-tsgolint`](https://github.com/oxc-project/tsgolint) | MIT |
+| [`playwright`](https://github.com/microsoft/playwright) | Apache-2.0 |
+| [`publint`](https://github.com/publint/publint) | MIT |
+| [`smol-toml`](https://github.com/squirrelchat/smol-toml) | BSD-3-Clause |
+| [`spdx-expression-parse`](https://github.com/jslicense/spdx-expression-parse.js) | MIT |
+| [`tsdown`](https://github.com/rolldown/tsdown) | MIT |
+| [`typescript-language-server`](https://github.com/typescript-language-server/typescript-language-server) | Apache-2.0 |
+| [`vite`](https://github.com/vitejs/vite) | MIT |
+| [`vite-tsconfig-paths`](https://github.com/aleclarson/vite-tsconfig-paths) | MIT |
+| [`vitepress`](https://github.com/vuejs/vitepress) | MIT |
+| [`vitepress-plugin-mermaid`](https://github.com/emersonbottero/vitepress-plugin-mermaid) | MIT |
+| [`vitest`](https://github.com/vitest-dev/vitest) | MIT |
+
+`eslint-plugin-sonarjs` (LGPL-3.0-only) and `lightningcss` (MPL-2.0) run only as development tooling; their code is not linked into or distributed with any DeepSeek Harness artifact.
+
+## Python SDK dependencies (`python/`)
+
+Direct dependencies of the `pyproject.toml` manifests, plus `uv` as the development workflow tool.
+
+| Package | License | Role |
+| --- | --- | --- |
+| [`hatchling`](https://github.com/pypa/hatch) | MIT | build backend |
+| [`pydantic`](https://github.com/pydantic/pydantic) | MIT | runtime dependency of `deepseek-harness` |
+| [`pytest`](https://github.com/pytest-dev/pytest) | MIT | test-only |
+| [`uv`](https://github.com/astral-sh/uv) | MIT / Apache-2.0 | development workflow tool |
+
+## Fetched at build time
+
+| Package | License | Role |
+| --- | --- | --- |
+| [`@yao-pkg/pkg`](https://github.com/yao-pkg/pkg) | MIT | invoked by `scripts/build-exe-for-python-sdk.ts` to assemble the single-file SDK runtime executable |
+
+## First-party sibling releases
+
+`node-addon-landlock-run` (and its platform packages) is released from a DeepSeek Harness sibling repository under BSD 3-Clause. It is listed here for completeness; it is first-party, not third-party.
diff --git a/apps/cli/README.i18n.yaml b/apps/cli/README.i18n.yaml
index 26395105b7..8fa53f8051 100644
--- a/apps/cli/README.i18n.yaml
+++ b/apps/cli/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write apps/cli/README.md
-README.md: e56b726029c5bba9ba769c6dd3493d913f0129d7
-README.zh.md: 24ff9a6e8d48016d213e877e23768332d86cccde
+README.md: 7ef24dc6290af5aafe3eb53609b090fcbfb83ce8
+README.zh.md: b19d4979351940e925db3b7a616a5c87689770a1
diff --git a/apps/cli/README.md b/apps/cli/README.md
index e56b726029..7ef24dc629 100644
--- a/apps/cli/README.md
+++ b/apps/cli/README.md
@@ -3,29 +3,59 @@
 English | [中文](README.zh.md)
 
 
-Argv is parsed once through a [Commander](https://github.com/tj/commander.js) adapter ([`src/args.ts`](src/args.ts)): one program whose default (no subcommand) is the TUI/headless surface (`--config`, `-p`/`--prompt`, `--resume`), whose `meta` subcommand is the same TUI over this checkout, whose `upgrade` subcommand is an option-less guided-session entry, and whose `web` subcommand is the browser UI. `src/bin.ts` switches on the resolved mode and dynamic-imports only that mode's module. `dsh --help` lists every mode and `dsh web --help` renders the web usage, `dsh --version` prints this app's version, and an unknown option or a mistyped `--resume` fails loud (stderr, exit 1) instead of misrouting. Every subcommand that shares no option with the default surface — `upgrade`, `web`, `meta` — rejects a leaked `--config`/`-p`/`--resume` rather than running and dropping it. `dsh web`'s `--host`/`--port` are unvalidated pass-through overrides: the `dsh-host-webserver` schema is the single source of both the default (the shipped Web overlay value when a flag is absent) and validity, and rejects a bad value at boot. `--trusted-host` appends named authorities for the /api browser-trust fence; an all-interfaces bind additionally derives the machine's LAN IP literals itself ([`src/app-cli-entry.ts`](src/app-cli-entry.ts)), so the printed LAN URL works without flags.
+Argv is parsed once through a [Commander](https://github.com/tj/commander.js) adapter ([`src/args.ts`](src/args.ts)): one program whose default (no subcommand) is the TUI/headless surface (`--config`, `-p`/`--prompt`, `--resume`, `--dump-config`, `--dump-default-config`), whose `experimental-meta` subcommand is the same TUI over this checkout, whose `experimental-upgrade` subcommand is an option-less guided-session entry, and whose `web` subcommand is the browser UI. `src/bin.ts` switches on the resolved mode and dynamic-imports only that mode's module. `dsh --help` lists every mode and `dsh web --help` renders the web usage, `dsh --version` prints this app's version, and an unknown option or a mistyped `--resume` fails loud (stderr, exit 1) instead of misrouting. Every subcommand that shares no option with the default surface — `experimental-upgrade`, `web`, `experimental-meta` — rejects a leaked `--config`/`-p`/`--resume`/dump flag rather than running and dropping it. `dsh web`'s `--host`/`--port` are unvalidated pass-through overrides: the `dsh-host-webserver` schema is the single source of both the default (the shipped Web overlay value when a flag is absent) and validity, and rejects a bad value at boot. `--trusted-host` appends named authorities for the /api browser-trust fence; an all-interfaces bind additionally derives the machine's LAN IP literals itself ([`src/app-cli-entry.ts`](src/app-cli-entry.ts)), so the printed LAN URL works without flags.
 
 The TUI surface:
 
 - boots `base.cordis.yml` plus `tui.cordis.yml` through [`dsh-app-boot`](../../packages/ui/app-boot/README.md); `--config <path>` applies a patch-list overlay instead of the personal overlay, while `--config-replace <path>` boots that file as the complete tree;
 - resumes a persisted session with `dsh --resume <session-id>` and, when the Node host exposes `process.execve`, supplies the TUI's in-place handoff host: after selector preflight and current-session flush, the host disposes the app and replaces the process with a normalized resume invocation; runtimes without process replacement leave the session running and say so. This CLI owns session identity and the exit line rather than the config: it mints or selects the `main` session id and provides it, plus the exact command that reproduces this invocation, on the boot context ([`MAIN_SESSION_ID_KEY`](../../packages/ui/tui/README.md) and `TUI_GOODBYE_MESSAGE_KEY`). No `cordis.yml` key can drop resume, and a missing or unreadable id fails loud instead of creating a fresh session;
-- treats the **invoking directory** as the workspace — sessions, relative paths, and workspace instructions resolve from the cwd (`dsh meta` is the sole exception, below);
+- treats the **invoking directory** as the workspace — sessions, relative paths, and workspace instructions resolve from the cwd (`dsh experimental-meta` is the sole exception, below);
 - tells the agent where its own source lives: after boot it adds a prompt section naming this harness checkout, resolved from the launcher's real path so it holds under a PATH symlink and an arbitrary cwd, so the self-referential `cordis` toolset can read and modify it;
 - applies the personal overlay from `~/.dsh` (see [app-boot's Personal config](../../packages/ui/app-boot/README.md#personal-config)): `config.yaml` patches the booted tree, while `.env` there is the credential provider's own store (never hoisted into the environment, so keys stay rotatable). Environment precedence is ambient > project `.env`.
+- presents the [versioned first-run welcome](../../.agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.md) through the mounted TUI overlay service when its immutable marker is absent under `DSH_HOME`; only Enter creates that version's marker, while Escape, disposal, or process exit leaves it eligible. The official DeepSeek icon, responsive terminal rasters, all-locale Chinese copy, and notice version are static local owners; the overlay never writes a session event or model context.
+- registers bare `/compact`: while the agent is idle, it summarizes useful older history even below automatic pressure, rejects arguments, and reports success only after the standalone replacement bracket is durable. A prompt submitted during compaction keeps its queue identity and starts after that checkpoint; injected context remains visible.
 
-`dsh meta` is that same TUI with this harness checkout as the workspace, so working on dsh itself needs no `cd`. It chdirs to the checkout root — resolved from the launcher's real path, the same root the source-path prompt section names — after the environment is settled, so precedence is unchanged while the session cwd and HMR watch root move together. Meta always starts a fresh session and accepts no default-surface options; use ordinary `dsh --resume <id>` to resume a persisted session.
+`dsh experimental-meta` is that same TUI with this harness checkout as the workspace, so working on dsh itself needs no `cd`. It chdirs to the checkout root — resolved from the launcher's real path, the same root the source-path prompt section names — after the environment is settled, so precedence is unchanged while the session cwd and HMR watch root move together. Experimental meta always starts a fresh session and accepts no default-surface options; use ordinary `dsh --resume <id>` to resume a persisted session.
 
-`dsh upgrade` is a guided fresh-session entry over the default TUI surface: it mints a fresh session in the invoking directory and seeds its first turn with the bundled `dsh-upgrade` skill, exactly as if the user typed `/skill:<name>`. The launcher passes the skill name on the boot context ([`INITIAL_SKILL_KEY`](../../packages/ui/tui/README.md)), which the TUI auto-invokes once the chat is live. Both take no options — `--config`, `-p`, and `--resume` fail loud — and seed only on this first launch, so a later `dsh --resume <id>` of the session is an ordinary TUI session with no re-injection.
+`dsh experimental-upgrade` is a guided fresh-session entry over the default TUI surface: it mints a fresh session in the invoking directory and seeds its first turn with the bundled `dsh-upgrade` skill, exactly as if the user typed `/skill:<name>`. The launcher passes the skill name on the boot context ([`INITIAL_SKILL_KEY`](../../packages/ui/tui/README.md)), which the TUI auto-invokes once the chat is live. The command takes no options — `--config`, `-p`, and `--resume` fail loud — and seeds only on this first launch, so a later `dsh --resume <id>` of the session is an ordinary TUI session with no re-injection.
 
+`dsh --dump-config` and `dsh web --dump-config` print the composed config tree — the shipped base, the surface overlay, and the `--config` or personal overlay, exactly the layers that surface would boot — as YAML on stdout and exit without booting; `--dump-default-config` stops at the surface overlay, so diffing the two shows precisely what the user layer changes. Each run of rows is preceded by a `# ==` comment naming the file it comes from and the layers that patched it (e.g. `# == base.cordis.yml, patched by tui.cordis.yml`), so the output shows provenance while staying one loadable document. Composition runs through the include's own patch algorithm and YAML dialect (`applyEntryPatches`/`entryListSchema` from `@cordisjs/plugin-include`), so the dump cannot drift from what boots; `!!js` expressions print verbatim and unevaluated, and a patch whose target row is absent is reported on stderr with its layer, mirroring the Loader's boot-time warning. Launcher-owned boot-context values (session identity, CLI-flag patches) are per-invocation facts outside the config tree and do not appear. The dump flags reject boot-only flags (`-p`, `--resume`, `--config-replace`) rather than silently ignoring them, and `--dump-default-config` takes no `--config`.
 
-The Web and headless surfaces boot `base.cordis.yml` plus `web.cordis.yml`, then apply `$DSH_HOME/config.yaml`; an explicit `--config <path>` replaces that personal overlay. Both surfaces otherwise share the same composition: both treat the invoking directory as the default project and Workspace root, create named Workspaces beneath that root unless `--workspace-root <path>` overrides it, load applicable `AGENTS.md`/`CLAUDE.md` instructions into each agent-loop request prefix with a 65,536-byte render budget, and opt into first-message model titles. Headless differs only in listening on an OS-assigned port (parallel `dsh -p` runs never collide; the stderr-printed URL opens the live session in a browser). Both need the frontend dist and client bundles built (`pnpm run build && pnpm run build:web`).
+The Web and headless surfaces boot `base.cordis.yml` plus `web.cordis.yml`, then apply `$DSH_HOME/config.yaml`; an explicit `--config <path>` replaces that personal overlay. Both surfaces otherwise share the same composition: both treat the invoking directory as the default project and Workspace root, create named Workspaces beneath that root unless `--workspace-root <path>` overrides it, load applicable `AGENTS.md`/`CLAUDE.md` instructions into each agent-loop request prefix with a 65,536-byte render budget, opt into first-message model titles, use the same bounded transient model-request retry policy as the TUI, and mount a disposable in-memory SQLite content-index service. That service is ACTIVE at boot, while its `node:sqlite` module and database handle open only on the first content search. This keeps Node 22 startup output free of SQLite's experimental warning before search is used; the first actual search may still emit the runtime warning. Each service instance owns its database, so parallel invocations neither share unsupported SQLite state nor leave derived index files behind, and the first search lazily reconciles live and persisted logs. Headless differs only in listening on an OS-assigned port (parallel `dsh -p` runs never collide; the stderr-printed URL opens the live session in a browser). Both need the frontend dist and client bundles built (`pnpm run build && pnpm run build:web`).
 
 The shipped TUI and Web compositions register the native DeepSeek adapter plus pi-ai OpenAI and Anthropic profiles. Credentials and endpoint overrides come from the provider-standard `DEEPSEEK_API_KEY` / `DEEPSEEK_BASE_URL`, `OPENAI_API_KEY` / `OPENAI_BASE_URL`, and `ANTHROPIC_API_KEY` / `ANTHROPIC_BASE_URL` pairs in the boot's layered environment.
 
-`DSH_TOOLS_MODE` selects the tool presentation mode for the whole Web/headless process: `native` (the schema default when unset), `code` (the `run_code`-only Code Mode wire), or `both`; any other value fails loud at boot through the `dsh-tools` config schema. It is a TEMPORARY seam — process-wide because Loader composition is static — and is removed once the web UI owns per-session tool-mode selection; the TUI surface ignores it (its config tree pins its own mode).
+Every surface also registers `web_search` and only `web_search`. Search uses DeepSeek's Anthropic-compatible Messages endpoint, resolves the same `DEEPSEEK_API_KEY` reference for every call, and accepts the separate `DEEPSEEK_SEARCH_BASE_URL` endpoint override; each search is an auxiliary model request with its own latency and token cost. `web_fetch` remains disabled and the composition mounts no default fetch provider, so deployments that need arbitrary page retrieval must opt in through an overlay. The deployment decision and its security boundary live in the [default Web search Agent Note](../../.agents/notes/implemented/feature/2026-07-31-web-default-search.md).
+
+`DSH_TOOLS_MODE` selects the tool presentation mode for the whole Web/headless process: `native` (the schema default when unset), `code` (the `run_code`-only Code Mode wire), or `both`; any other value fails loud at boot through the `dsh-tools` config schema. It is a TEMPORARY seam — process-wide because Loader composition is static — and is removed once the web UI owns per-session tool-mode selection; the TUI surface ignores it and pins `native`.
+
+[`core-web.cordis.yml`](config/core-web.cordis.yml) is an opt-in `dsh web --config` overlay that keeps the shipped Web host, browser, Workspace, persistence, and permission composition while reducing the default native model surface to owner-scoped persistent `bash` and `str_replace_editor`. The PTY backend and editor consume the existing Web sandbox and filesystem providers. An open persistent shell prevents changing that session's permission mode until the shell closes, so a shell created under wider access cannot survive a downgrade. `DSH_TOOLS_MODE` still controls native/Code Mode presentation for the resulting two-tool registry.
+
+From a source checkout, start this minimal Web profile with:
+
+```sh
+pnpm run dsh web --config apps/cli/config/core-web.cordis.yml
+```
 
 Every `dsh` surface — TUI, Web, and headless — reports session telemetry by default (the row lives in the shared `base.cordis.yml`): every session-log event streams as OTLP/HTTP log records to `https://harness-telemetry.deepseeksvc.com/v1/logs` on a 10-second batch cadence. `DSH_TELEMETRY_OTLP_URL` points the exporter at a different collector; setting `DSH_TELEMETRY_DISABLED` to ANY non-empty value — including `0` or `false` — disables the row before it loads (a privacy switch prefers off-by-mistake over on-by-mistake). No redaction rule is mounted in this composition yet: exported records are the raw captured copy, including message text, tool arguments and results, and the session's working-directory path. The deployment rulings live in the [web-telemetry-default-mount Agent Note](../../.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.md).
 
+MCP servers are not a shipped default, because a default would have to name one: `@deepseek-ai/dsh-mcp-client` mounts exactly one server per row and spawns it as a child process, outside `ctx.bash` and so outside the sandbox policy. The package is a runtime dependency of this CLI, so an installed `dsh` can mount your own servers from `$DSH_HOME/config.yaml` or a `--config` overlay without a source checkout:
+
+```yaml
+- insert:
+    - id: mcp-github
+      name: '@deepseek-ai/dsh-mcp-client'
+      config:
+        serverName: github
+        transport: stdio
+        command: npx
+        args: ['-y', '@modelcontextprotocol/server-github']
+        env:
+          GITHUB_TOKEN: !!js process.env.GITHUB_TOKEN
+```
+
+The model then sees `mcp__github__*`. See the [mcp-client README](../../packages/mcp/mcp-client/README.md) for the Streamable HTTP transport and the full field table.
+
 ## Install (developer machine)
 
 Symlink the source-running launcher onto your PATH; it resolves the checkout through its own real path, so code changes apply on the next launch with no build step:
diff --git a/apps/cli/README.zh.md b/apps/cli/README.zh.md
index 24ff9a6e8d..b19d497935 100644
--- a/apps/cli/README.zh.md
+++ b/apps/cli/README.zh.md
@@ -3,29 +3,59 @@
 [English](README.md) | 中文
 
 
-Argv 只会通过 [Commander](https://github.com/tj/commander.js) 适配器（[`src/args.ts`](src/args.ts)）解析一次：同一个程序的默认形式（无子命令）是 TUI／无头界面（`--config`、`-p`/`--prompt`、`--resume`），`meta` 子命令是以本 checkout 为 workspace 的同一个 TUI，`upgrade` 子命令是无选项的引导会话入口，`web` 子命令则是浏览器 UI。`src/bin.ts` 按解析后的 mode 分支，仅动态导入该 mode 的模块。`dsh --help` 列出所有 mode，`dsh web --help` 渲染 Web 用法，`dsh --version` 打印此应用的版本；未知选项或拼错的 `--resume` 会明确报错（stderr，退出码 1），而不会被错路由。凡与默认界面不共享任何选项的子命令（`upgrade`、`web`、`meta`）都会拒绝泄漏进来的 `--config`/`-p`/`--resume`，而不会照常运行并丢弃它。`dsh web` 的 `--host`/`--port` 是未验证的直通覆盖：`dsh-host-webserver` schema 是默认值（标志缺失时使用已交付的 Web 覆盖层值）和有效性的唯一真源，并在启动时拒绝错误值。`--trusted-host` 为 /api 浏览器信任栅栏追加具名权威；全接口绑定还会自行推导本机的 LAN IP 字面量（[`src/app-cli-entry.ts`](src/app-cli-entry.ts)），因此打印出的 LAN URL 无需任何标志即可使用。
+Argv 只会通过 [Commander](https://github.com/tj/commander.js) 适配器（[`src/args.ts`](src/args.ts)）解析一次：同一个程序的默认形式（无子命令）是 TUI／无头界面（`--config`、`-p`/`--prompt`、`--resume`、`--dump-config`、`--dump-default-config`），`experimental-meta` 子命令是以本 checkout 为 workspace 的同一个 TUI，`experimental-upgrade` 子命令是无选项的引导会话入口，`web` 子命令则是浏览器 UI。`src/bin.ts` 按解析后的 mode 分支，仅动态导入该 mode 的模块。`dsh --help` 列出所有 mode，`dsh web --help` 渲染 Web 用法，`dsh --version` 打印此应用的版本；未知选项或拼错的 `--resume` 会明确报错（stderr，退出码 1），而不会被错路由。凡与默认界面不共享任何选项的子命令（`experimental-upgrade`、`web`、`experimental-meta`）都会拒绝泄漏进来的 `--config`/`-p`/`--resume`/dump 标志，而不会照常运行并丢弃它。`dsh web` 的 `--host`/`--port` 是未验证的直通覆盖：`dsh-host-webserver` schema 是默认值（标志缺失时使用已交付的 Web 覆盖层值）和有效性的唯一真源，并在启动时拒绝错误值。`--trusted-host` 为 /api 浏览器信任栅栏追加具名权威；全接口绑定还会自行推导本机的 LAN IP 字面量（[`src/app-cli-entry.ts`](src/app-cli-entry.ts)），因此打印出的 LAN URL 无需任何标志即可使用。
 
 TUI 界面：
 
 - 通过 [`dsh-app-boot`](../../packages/ui/app-boot/README.md) 启动 `base.cordis.yml` 与 `tui.cordis.yml`；`--config <path>` 应用一个补丁列表覆盖并替代个人覆盖，而 `--config-replace <path>` 将指定文件作为完整配置树启动；
 - 使用 `dsh --resume <session-id>` 恢复已持久化会话。当 Node 宿主公开 `process.execve` 时，还会提供 TUI 的原地移交宿主：选择器预检并刷新当前会话后，宿主会释放应用，并以规范化的恢复调用替换进程；不支持进程替换的运行时会让会话继续运行并给出提示。会话身份与退出行由本 CLI 拥有，而非由配置指定：它创建或选定 `main` 会话 id，并把该 id 以及可复现本次调用的确切命令一起提供到启动上下文（[`MAIN_SESSION_ID_KEY`](../../packages/ui/tui/README.md) 与 `TUI_GOODBYE_MESSAGE_KEY`）。任何 `cordis.yml` 键都无法移除恢复能力；缺失或无法读取的 id 会明确报错，而不会创建新会话；
-- 将 **调用目录** 视为 workspace：会话、相对路径和 workspace 指令都从 cwd 解析（`dsh meta` 是唯一例外，见下文）；
+- 将 **调用目录** 视为 workspace：会话、相对路径和 workspace 指令都从 cwd 解析（`dsh experimental-meta` 是唯一例外，见下文）；
 - 告知 agent 自身源码所在位置：启动后添加一个命名此 harness checkout 的提示词段。该路径从启动器的真实路径解析，因此在 PATH 符号链接和任意 cwd 下仍然有效，使自指的 `cordis` 工具集可以读取并修改它；
 - 应用 `~/.dsh` 中的个人覆盖（参见 [app-boot 的个人配置](../../packages/ui/app-boot/README.md#personal-config)）：`config.yaml` 修补已启动的树，而那里的 `.env` 是凭据 provider 自己的存储（绝不会被提升进环境，因此密钥始终可轮换）。环境优先级为环境中已有的值 > 项目 `.env`。
+- 当 `DSH_HOME` 下不存在不可变确认标记时，通过已挂载的 TUI overlay 服务呈现[版本化首次运行欢迎页](../../.agents/notes/implemented/feature/2026-07-30-versioned-tui-first-run-welcome.md)；只有 Enter 会创建该版本的标记，Escape、资源释放或进程退出仍保留展示资格。官方 DeepSeek 图标、响应式终端栅格图、所有 locale 共用的中文文案和通知版本均由静态本地文件持有；overlay 不会写入会话事件或模型上下文。
+- 注册裸 `/compact`：agent 空闲时，即使未达到自动压力，也会摘要有效的较早历史；该命令拒绝参数，并只在独立替换标记对持久化后报告成功。压缩（compaction）期间提交的提示词保留其队列身份，并在该检查点之后启动；注入的上下文仍保持可见。
 
-`dsh meta` 是以本 harness checkout 为 workspace 的同一个 TUI，因此开发 dsh 自身无需 `cd`。它在环境确定之后才 chdir 到 checkout 根目录（从启动器的真实路径解析，与源码路径提示词段所指的根目录相同），因此环境优先级不变，而会话 cwd 与 HMR 监视根目录会一并移动。Meta 始终创建新会话，不接受默认界面的任何选项；恢复已持久化会话应使用普通的 `dsh --resume <id>`。
+`dsh experimental-meta` 是以本 harness checkout 为 workspace 的同一个 TUI，因此开发 dsh 自身无需 `cd`。它在环境确定之后才 chdir 到 checkout 根目录（从启动器的真实路径解析，与源码路径提示词段所指的根目录相同），因此环境优先级不变，而会话 cwd 与 HMR 监视根目录会一并移动。Experimental meta 始终创建新会话，不接受默认界面的任何选项；恢复已持久化会话应使用普通的 `dsh --resume <id>`。
 
-`dsh upgrade` 是默认 TUI 界面之上的引导式全新会话入口：它在调用目录中创建一个全新会话，并以内置 `dsh-upgrade` skill 播种其首轮，效果等同于用户手动键入 `/skill:<name>`。启动器将 skill 名称提供到启动上下文（[`INITIAL_SKILL_KEY`](../../packages/ui/tui/README.md)），TUI 在聊天就绪后自动调用它。两者都不接受任何选项——`--config`、`-p`、`--resume` 都会明确报错——且仅在首次启动时播种，因此之后 `dsh --resume <id>` 恢复该会话时是普通 TUI 会话，不会重复注入。
+`dsh experimental-upgrade` 是默认 TUI 界面之上的引导式全新会话入口：它在调用目录中创建一个全新会话，并以内置 `dsh-upgrade` skill 播种其首轮，效果等同于用户手动键入 `/skill:<name>`。启动器将 skill 名称提供到启动上下文（[`INITIAL_SKILL_KEY`](../../packages/ui/tui/README.md)），TUI 在聊天就绪后自动调用它。该命令不接受任何选项——`--config`、`-p`、`--resume` 都会明确报错——且仅在首次启动时播种，因此之后 `dsh --resume <id>` 恢复该会话时是普通 TUI 会话，不会重复注入。
 
+`dsh --dump-config` 和 `dsh web --dump-config` 把合成后的配置树——已交付的基础配置、界面覆盖层，以及 `--config` 或个人覆盖层，恰好是该界面启动时组装的那些层——以 YAML 打印到 stdout 后退出，不启动任何东西；`--dump-default-config` 止步于界面覆盖层，因此对两份输出做 diff 就能精确看出用户层改了什么。每段连续的行之前都有一条 `# ==` 注释，标明该段来自哪个文件以及被哪些层修补过（例如 `# == base.cordis.yml, patched by tui.cordis.yml`），因此输出既展示来源，又仍是一份可加载的文档。合成通过 include 自己的补丁算法和 YAML 方言（`@cordisjs/plugin-include` 的 `applyEntryPatches`/`entryListSchema`）完成，因此 dump 不可能与实际启动漂移；`!!js` 表达式原样打印、不求值，目标行不存在的补丁会连同其所在层报到 stderr，与 Loader 启动时的警告一致。由启动器持有的启动上下文值（会话身份、CLI 标志补丁）是每次调用的事实，位于配置树之外，不会出现。dump 标志会拒绝仅用于启动的标志（`-p`、`--resume`、`--config-replace`）而不是静默忽略它们，`--dump-default-config` 不接受 `--config`。
 
-Web 和无头界面启动 `base.cordis.yml` 与 `web.cordis.yml`，随后应用 `$DSH_HOME/config.yaml`；显式的 `--config <path>` 会替代该个人覆盖。除此之外，两者共享同一套组合：两者都将调用目录视为默认项目和 Workspace 根目录，除非通过 `--workspace-root <path>` 覆盖，否则会在该根目录下创建具名 Workspace；它们会把适用的 `AGENTS.md`/`CLAUDE.md` 指令加载到每个 agent-loop 请求前缀中，渲染预算为 65,536 字节，并选用首条消息模型标题。无头界面唯一的差异是监听操作系统分配的端口（并行 `dsh -p` 运行绝不冲突；stderr 打印的 URL 会在浏览器中打开实时会话）。两者都需要先构建前端 dist 和客户端 bundle（`pnpm run build && pnpm run build:web`）。
+Web 和无头界面启动 `base.cordis.yml` 与 `web.cordis.yml`，随后应用 `$DSH_HOME/config.yaml`；显式的 `--config <path>` 会替代该个人覆盖。除此之外，两者共享同一套组合：两者都将调用目录视为默认项目和 Workspace 根目录，除非通过 `--workspace-root <path>` 覆盖，否则会在该根目录下创建具名 Workspace；它们会把适用的 `AGENTS.md`/`CLAUDE.md` 指令加载到每个 agent-loop 请求前缀中，渲染预算为 65,536 字节，选用首条消息模型标题，采用与 TUI 相同的有界暂时性模型请求重试策略，并挂载一个可丢弃的内存 SQLite 内容索引服务。该服务在启动时处于 ACTIVE 状态，但其 `node:sqlite` 模块与数据库句柄分别要到首次内容搜索才会导入和打开。这样可使 Node 22 在尚未使用搜索时的启动输出不出现 SQLite 实验性警告；首次实际搜索仍可能发出运行时警告。每个服务实例独占自己的数据库，因此并行调用既不会共享不受支持的 SQLite 状态，也不会留下派生索引文件，首次搜索还会惰性对账实时日志与持久化日志。无头界面唯一的差异是监听操作系统分配的端口（并行 `dsh -p` 运行绝不冲突；stderr 打印的 URL 会在浏览器中打开实时会话）。两者都需要先构建前端 dist 和客户端 bundle（`pnpm run build && pnpm run build:web`）。
 
 已交付的 TUI 和 Web 组合会注册原生 DeepSeek 适配器，以及 pi-ai 的 OpenAI 和 Anthropic 提供方配置。凭据和端点覆盖来自启动分层环境中的提供方标准变量对：`DEEPSEEK_API_KEY` / `DEEPSEEK_BASE_URL`、`OPENAI_API_KEY` / `OPENAI_BASE_URL` 和 `ANTHROPIC_API_KEY` / `ANTHROPIC_BASE_URL`。
 
-`DSH_TOOLS_MODE` 为整个 Web／无头进程选择工具呈现模式：可选值为 `native`（未设置时的 schema 默认值）、`code`（仅含 `run_code` 的 Code Mode 协议接口）或 `both`；任何其他值都会经由 `dsh-tools` 配置 schema 在启动时明确报错。它是一个临时 seam：Loader 组合是静态的，因此该设置作用于整个进程；待 Web UI 负责逐会话工具模式选择后便会移除。TUI 界面会忽略该变量（其配置树固定了自身模式）。
+每个界面也都只注册 `web_search` 这一个 Web 工具。搜索使用 DeepSeek 的 Anthropic 兼容 Messages 端点，每次调用都会解析同一个 `DEEPSEEK_API_KEY` 凭据引用，并接受独立的 `DEEPSEEK_SEARCH_BASE_URL` 端点覆盖；每次搜索都是一次辅助模型请求，会产生独立的延迟与 token 成本。`web_fetch` 仍处于禁用状态，组合也未挂载默认抓取提供方；需要任意页面抓取能力的部署必须通过覆盖层选择启用。部署决策及其安全边界见[默认 Web 搜索 Agent Note](../../.agents/notes/implemented/feature/2026-07-31-web-default-search.md)。
+
+`DSH_TOOLS_MODE` 为整个 Web／无头进程选择工具呈现模式：`native`（未设置时的 schema 默认值）、`code`（仅含 `run_code` 的 Code Mode 线路）或 `both`；任何其他值都会经由 `dsh-tools` 配置 schema 在启动时明确报错。它是一个临时 seam——Loader 组合是静态的，因此该设置作用于整个进程——待 Web UI 负责逐会话工具模式选择后便会移除；TUI 界面会忽略该变量并固定为 `native`。
+
+[`core-web.cordis.yml`](config/core-web.cordis.yml) 是一个可选启用的 `dsh web --config` 覆盖层：它保留已交付的 Web 宿主、浏览器、Workspace、持久化与权限组合，同时将默认的原生模型界面精简为以所有者为作用域的持久 `bash` 以及 `str_replace_editor`。PTY 后端和编辑器分别消费现有的 Web 沙箱与文件系统提供方。持久 shell 处于打开状态时，会阻止所属会话更改权限模式；因此，在较宽权限下创建的 shell 无法在降权后继续存活。`DSH_TOOLS_MODE` 仍控制由此得到的双工具注册表采用原生／Code Mode 呈现。
+
+在源码 checkout 中，用以下命令启动这个精简 Web profile：
+
+```sh
+pnpm run dsh web --config apps/cli/config/core-web.cordis.yml
+```
 
 每个 `dsh` 界面——TUI、Web 与无头——都默认上报会话遥测（该行位于共享的 `base.cordis.yml`）：每条会话日志事件以 OTLP/HTTP 日志记录的形式、按 10 秒批处理节奏流向 `https://harness-telemetry.deepseeksvc.com/v1/logs`。`DSH_TELEMETRY_OTLP_URL` 可将 exporter 指向其他 collector；将 `DSH_TELEMETRY_DISABLED` 设为**任意非空值**——包括 `0` 或 `false`——都会在该行加载前将其关停（隐私开关取「宁可误关、不可误开」）。该组合当前未挂载任何脱敏规则：导出记录即原始捕获副本，包含消息正文、工具参数与结果、以及会话工作目录路径。部署口径见 [web-telemetry-default-mount Agent Note](../../.agents/notes/implemented/feature/2026-07-31-web-telemetry-default-mount.md)。
 
+MCP 服务器不是交付默认值,因为默认值必须点名一台:`@deepseek-ai/dsh-mcp-client` 每一行只挂载一台服务器,并把它作为子进程 spawn,该进程不经 `ctx.bash`,因此也不受沙箱策略约束。该包是本 CLI 的运行时依赖,所以已安装的 `dsh` 无需源码检出即可从 `$DSH_HOME/config.yaml` 或 `--config` 覆盖层挂载你自己的服务器:
+
+```yaml
+- insert:
+    - id: mcp-github
+      name: '@deepseek-ai/dsh-mcp-client'
+      config:
+        serverName: github
+        transport: stdio
+        command: npx
+        args: ['-y', '@modelcontextprotocol/server-github']
+        env:
+          GITHUB_TOKEN: !!js process.env.GITHUB_TOKEN
+```
+
+模型随后会看到 `mcp__github__*`。Streamable HTTP 传输与完整字段表见 [mcp-client README](../../packages/mcp/mcp-client/README.md)。
+
 ## 安装（开发机）
 
 将从源码运行的启动器符号链接到 PATH 上；它通过自身真实路径解析 checkout，因此代码更改会在下次启动时生效，无需构建：
diff --git a/apps/cli/assets/deepseek-color.svg b/apps/cli/assets/deepseek-color.svg
new file mode 100644
index 0000000000..52eec25cd3
--- /dev/null
+++ b/apps/cli/assets/deepseek-color.svg
@@ -0,0 +1 @@
+<svg height="1em" style="flex:none;line-height:1" viewBox="0 0 24 24" width="1em" xmlns="http://www.w3.org/2000/svg"><title>DeepSeek</title><path d="M23.748 4.482c-.254-.124-.364.113-.512.234-.051.039-.094.09-.137.136-.372.397-.806.657-1.373.626-.829-.046-1.537.214-2.163.848-.133-.782-.575-1.248-1.247-1.548-.352-.156-.708-.311-.955-.65-.172-.241-.219-.51-.305-.774-.055-.16-.11-.323-.293-.35-.2-.031-.278.136-.356.276-.313.572-.434 1.202-.422 1.84.027 1.436.633 2.58 1.838 3.393.137.093.172.187.129.323-.082.28-.18.552-.266.833-.055.179-.137.217-.329.14a5.526 5.526 0 01-1.736-1.18c-.857-.828-1.631-1.742-2.597-2.458a11.365 11.365 0 00-.689-.471c-.985-.957.13-1.743.388-1.836.27-.098.093-.432-.779-.428-.872.004-1.67.295-2.687.684a3.055 3.055 0 01-.465.137 9.597 9.597 0 00-2.883-.102c-1.885.21-3.39 1.102-4.497 2.623C.082 8.606-.231 10.684.152 12.85c.403 2.284 1.569 4.175 3.36 5.653 1.858 1.533 3.997 2.284 6.438 2.14 1.482-.085 3.133-.284 4.994-1.86.47.234.962.327 1.78.397.63.059 1.236-.03 1.705-.128.735-.156.684-.837.419-.961-2.155-1.004-1.682-.595-2.113-.926 1.096-1.296 2.746-2.642 3.392-7.003.05-.347.007-.565 0-.845-.004-.17.035-.237.23-.256a4.173 4.173 0 001.545-.475c1.396-.763 1.96-2.015 2.093-3.517.02-.23-.004-.467-.247-.588zM11.581 18c-2.089-1.642-3.102-2.183-3.52-2.16-.392.024-.321.471-.235.763.09.288.207.486.371.739.114.167.192.416-.113.603-.673.416-1.842-.14-1.897-.167-1.361-.802-2.5-1.86-3.301-3.307-.774-1.393-1.224-2.887-1.298-4.482-.02-.386.093-.522.477-.592a4.696 4.696 0 011.529-.039c2.132.312 3.946 1.265 5.468 2.774.868.86 1.525 1.887 2.202 2.891.72 1.066 1.494 2.082 2.48 2.914.348.292.625.514.891.677-.802.09-2.14.11-3.054-.614zm1-6.44a.306.306 0 01.415-.287.302.302 0 01.2.288.306.306 0 01-.31.307.303.303 0 01-.304-.308zm3.11 1.596c-.2.081-.399.151-.59.16a1.245 1.245 0 01-.798-.254c-.274-.23-.47-.358-.552-.758a1.73 1.73 0 01.016-.588c.07-.327-.008-.537-.239-.727-.187-.156-.426-.199-.688-.199a.559.559 0 01-.254-.078c-.11-.054-.2-.19-.114-.358.028-.054.16-.186.192-.21.356-.202.767-.136 1.146.016.352.144.618.408 1.001.782.391.451.462.576.685.914.176.265.336.537.445.848.067.195-.019.354-.25.452z" fill="#4D6BFE"></path></svg>
diff --git a/apps/cli/composition.md b/apps/cli/composition.md
index 870b926054..b552570a5c 100644
--- a/apps/cli/composition.md
+++ b/apps/cli/composition.md
@@ -76,6 +76,8 @@ flowchart LR
   cfg --> plugin_tui_token_meter
   plugin_tui_compact_basic["compact-basic<br/>@deepseek-ai/dsh-compact-basic"]
   cfg --> plugin_tui_compact_basic
+  plugin_tui_command_compact["command-compact<br/>@deepseek-ai/dsh-command-compact"]
+  cfg --> plugin_tui_command_compact
   plugin_tui_subagent["subagent<br/>@deepseek-ai/dsh-subagent"]
   cfg --> plugin_tui_subagent
   plugin_tui_subagent_spawn["subagent-spawn<br/>@deepseek-ai/dsh-subagent-spawn"]
@@ -96,6 +98,28 @@ flowchart LR
   cfg --> plugin_tui_spill_local
   plugin_tui_spill_policy["spill-policy<br/>@deepseek-ai/dsh-spill-policy"]
   cfg --> plugin_tui_spill_policy
+  plugin_tui_session_checkpoint_policy["session-checkpoint-policy<br/>@deepseek-ai/dsh-session-checkpoint-policy"]
+  cfg --> plugin_tui_session_checkpoint_policy
+  plugin_tui_tool_result_prune["tool-result-prune<br/>@deepseek-ai/dsh-compact-tool-result-prune"]
+  cfg --> plugin_tui_tool_result_prune
+  plugin_tui_tool_todo["tool-todo<br/>@deepseek-ai/dsh-tool-todo"]
+  cfg --> plugin_tui_tool_todo
+  plugin_tui_tool_goal["tool-goal<br/>@deepseek-ai/dsh-tool-goal"]
+  cfg --> plugin_tui_tool_goal
+  plugin_tui_tool_ralph["tool-ralph<br/>@deepseek-ai/dsh-tool-ralph"]
+  cfg --> plugin_tui_tool_ralph
+  plugin_tui_tool_session_query["tool-session-query<br/>@deepseek-ai/dsh-tool-session-query"]
+  cfg --> plugin_tui_tool_session_query
+  plugin_tui_tool_str_replace_editor["tool-str-replace-editor<br/>@deepseek-ai/dsh-tool-str-replace-editor"]
+  cfg --> plugin_tui_tool_str_replace_editor
+  plugin_tui_repeat_tool_guard["repeat-tool-guard<br/>@deepseek-ai/dsh-repeat-tool-guard"]
+  cfg --> plugin_tui_repeat_tool_guard
+  plugin_tui_web["web<br/>@deepseek-ai/dsh-web"]
+  cfg --> plugin_tui_web
+  plugin_tui_web_search_deepseek["web-search-deepseek<br/>@deepseek-ai/dsh-web-search-deepseek"]
+  cfg --> plugin_tui_web_search_deepseek
+  plugin_tui_tool_web["tool-web<br/>@deepseek-ai/dsh-tool-web"]
+  cfg --> plugin_tui_tool_web
   plugin_tui_tools["tools<br/>@deepseek-ai/dsh-tools"]
   cfg --> plugin_tui_tools
   plugin_tui_system_prompt["system-prompt<br/>@deepseek-ai/dsh-system-prompt"]
@@ -144,6 +168,7 @@ flowchart LR
 | `plan-mode` | `@deepseek-ai/dsh-plan-mode` |
 | `token-meter` | `@deepseek-ai/dsh-token-meter` |
 | `compact-basic` | `@deepseek-ai/dsh-compact-basic` |
+| `command-compact` | `@deepseek-ai/dsh-command-compact` |
 | `subagent` | `@deepseek-ai/dsh-subagent` |
 | `subagent-spawn` | `@deepseek-ai/dsh-subagent-spawn` |
 | `subagent-fork` | `@deepseek-ai/dsh-subagent-fork` |
@@ -154,6 +179,17 @@ flowchart LR
 | `timeout-policy` | `@deepseek-ai/dsh-timeout-policy` |
 | `spill-local` | `@deepseek-ai/dsh-spill-local` |
 | `spill-policy` | `@deepseek-ai/dsh-spill-policy` |
+| `session-checkpoint-policy` | `@deepseek-ai/dsh-session-checkpoint-policy` |
+| `tool-result-prune` | `@deepseek-ai/dsh-compact-tool-result-prune` |
+| `tool-todo` | `@deepseek-ai/dsh-tool-todo` |
+| `tool-goal` | `@deepseek-ai/dsh-tool-goal` |
+| `tool-ralph` | `@deepseek-ai/dsh-tool-ralph` |
+| `tool-session-query` | `@deepseek-ai/dsh-tool-session-query` |
+| `tool-str-replace-editor` | `@deepseek-ai/dsh-tool-str-replace-editor` |
+| `repeat-tool-guard` | `@deepseek-ai/dsh-repeat-tool-guard` |
+| `web` | `@deepseek-ai/dsh-web` |
+| `web-search-deepseek` | `@deepseek-ai/dsh-web-search-deepseek` |
+| `tool-web` | `@deepseek-ai/dsh-tool-web` |
 | `tools` | `@deepseek-ai/dsh-tools` |
 | `system-prompt` | `@deepseek-ai/dsh-system-prompt` |
 | `agent-loop` | `@deepseek-ai/dsh-agent-loop` |
diff --git a/apps/cli/config/base.cordis.yml b/apps/cli/config/base.cordis.yml
index 20d3255a7c..7e648eedc8 100644
--- a/apps/cli/config/base.cordis.yml
+++ b/apps/cli/config/base.cordis.yml
@@ -84,11 +84,11 @@
 - id: session-persistence-jsonl
   name: '@deepseek-ai/dsh-session-persistence-jsonl'
   config:
-    root: !!js >-
-      (() => { const path = process.getBuiltinModule('node:path'); const home = process.getBuiltinModule('node:os').homedir(); const configured = process.env.DSH_HOME; const selected = configured !== undefined && configured.trim().length > 0 ? configured : path.join(home, '.dsh'); const expanded = selected === '~' ? home : selected.startsWith('~/') || selected.startsWith('~\\') ? path.join(home, selected.slice(2)) : selected; return path.join(path.resolve(expanded), 'sessions') })()
+    root: !!js dshHomePath('sessions')
 
 # TUI consumes this shared session capability. Its launcher supplies a unique
-# process-local path; non-TUI surfaces disable the row in their overlay.
+# process-local path; other surfaces repoint or disable the row in their
+# overlay (web patches it to an ephemeral in-memory index).
 - id: session-query-sqlite
   name: '@deepseek-ai/dsh-session-query-sqlite'
   config:
@@ -104,7 +104,9 @@
 # DSH_TELEMETRY_OTLP_URL overrides the production endpoint, and a non-empty
 # DSH_TELEMETRY_DISABLED — any value, including '0'/'false' — opts the
 # process out (the launchers patch the row disabled; config cannot disable
-# a row). The exporter/processor values bound the shutdown drain to ~1s
+# a row). Exports carry the harness home's anonymous user id ($DSH_HOME/.userid,
+# random UUID; delete the file to reset the identity) as the Resource's
+# user.id. The exporter/processor values bound the shutdown drain to ~1s
 # against an unreachable collector: exporter.timeoutMillis is both the
 # per-attempt socket timeout and the retry deadline (1s effectively
 # disables the SDK's 5-try backoff), maxExportBatchSize == maxQueueSize
@@ -199,6 +201,11 @@
 - id: compact-basic
   name: '@deepseek-ai/dsh-compact-basic'
 
+# Human `/compact`: one useful reduction below the automatic threshold. Backend
+# independent, so it follows whichever compaction service this leaf mounts.
+- id: command-compact
+  name: '@deepseek-ai/dsh-command-compact'
+
 - id: subagent
   name: '@deepseek-ai/dsh-subagent'
 
@@ -243,6 +250,74 @@
   config:
     maxInlineBytes: 50000
 
+# Durability checkpoints before each model request and top-level dispatch.
+- id: session-checkpoint-policy
+  name: '@deepseek-ai/dsh-session-checkpoint-policy'
+
+# Compacts oversized tool results before the broader conversation compactor
+# runs, preserving the model-visible result within the configured budget.
+- id: tool-result-prune
+  name: '@deepseek-ai/dsh-compact-tool-result-prune'
+  config:
+    thresholdChars: 8192
+    headChars: 4096
+    tailChars: 1024
+
+- id: tool-todo
+  name: '@deepseek-ai/dsh-tool-todo'
+
+# Persisted same-session goals reach the model and the slash menu here; the
+# domain, driver, and `/goal` command are above.
+- id: tool-goal
+  name: '@deepseek-ai/dsh-tool-goal'
+
+# Fresh-agent Ralph iteration over a build-time-fixed script.
+- id: tool-ralph
+  name: '@deepseek-ai/dsh-tool-ralph'
+  config:
+    subagentProvider: spawn
+    maxRounds: 64
+
+- id: tool-session-query
+  name: '@deepseek-ai/dsh-tool-session-query'
+  config:
+    maxSearchResults: 100
+    searchTimeoutMs: 30000
+
+- id: tool-str-replace-editor
+  name: '@deepseek-ai/dsh-tool-str-replace-editor'
+  config:
+    maxOutputChars: 16000
+
+# Consecutive-repeat reminders on the tool chain.
+- id: repeat-tool-guard
+  name: '@deepseek-ai/dsh-repeat-tool-guard'
+  config:
+    thresholds: [3, 5, 8]
+    argumentsPreviewChars: 500
+
+# Every surface enables the stable web_search model surface. DeepSeek search
+# resolves the same DEEPSEEK_API_KEY credential the Models page manages for
+# chat, at each search; its Messages endpoint is separate from the
+# chat-completions endpoint, so it takes its own base-URL override. Fetch stays
+# disabled and no fetch provider is mounted: that provider defers SSRF
+# protection and the model would choose the request target.
+- id: web
+  name: '@deepseek-ai/dsh-web'
+  config:
+    searchProvider: deepseek-official
+
+- id: web-search-deepseek
+  name: '@deepseek-ai/dsh-web-search-deepseek'
+  config:
+    apiKeyEnv: DEEPSEEK_API_KEY
+    baseURL: !!js process.env.DEEPSEEK_SEARCH_BASE_URL
+
+- id: tool-web
+  name: '@deepseek-ai/dsh-tool-web'
+  config:
+    fetch: false
+
 # ── rows every surface mounts, whose values each overlay states ──────────────
 
 # The tool registry. Presentation mode is a surface choice, so each overlay
diff --git a/apps/cli/config/core-web.cordis.yml b/apps/cli/config/core-web.cordis.yml
new file mode 100644
index 0000000000..ef03b23fca
--- /dev/null
+++ b/apps/cli/config/core-web.cordis.yml
@@ -0,0 +1,86 @@
+# Opt-in two-tool profile over the shipped Web composition. The default native
+# model surface is exactly persistent `bash` plus `str_replace_editor`; the
+# Web host, browser shell, workspace, persistence, and permission stack remain.
+
+# Disable every model-facing consumer in the base/Web tree. plan-mode owns the
+# always-registered exit_plan_mode tool even while the session is not planning.
+- id: tool-bash
+  disabled: true
+
+- id: tool-tasks
+  disabled: true
+
+- id: tool-fs
+  disabled: true
+
+- id: tool-fs-search
+  disabled: true
+
+- id: tool-web
+  disabled: true
+
+- id: tool-skill
+  disabled: true
+
+- id: plan-mode
+  disabled: true
+
+- id: tool-subagent
+  disabled: true
+
+- id: tool-subagent-fork
+  disabled: true
+
+- id: tool-workflow
+  disabled: true
+
+- id: tool-todo
+  disabled: true
+
+# These consumers are shared defaults on the ordinary shipped surfaces, but
+# this opt-in profile keeps exactly its two named tools.
+- id: tool-goal
+  disabled: true
+
+- id: tool-ralph
+  disabled: true
+
+- id: tool-session-query
+  disabled: true
+
+- id: tool-str-replace-editor
+  disabled: true
+
+# The matching browser controls must not offer host tools that this profile
+# omits. ui-question's host half owns the ask_user_question registration.
+- id: ui-plan
+  disabled: true
+
+- id: ui-question
+  disabled: true
+
+- insert:
+    - id: pty
+      name: '@deepseek-ai/dsh-pty'
+
+    # This backend consumes the existing Web sandbox and permission policy.
+    # It loads only on Linux/macOS; Windows and other platforms fail at boot.
+    # Its 300s send wait matches the persistent Bash command timeout instead of
+    # pty-local's 30s default. An open persistent shell fences permission-mode
+    # changes until it closes.
+    - id: pty-local
+      name: '@deepseek-ai/dsh-pty-local'
+      config:
+        timeoutMs: 300000
+
+    - id: persistent-bash
+      name: '@deepseek-ai/dsh-tool-bash-persistent'
+      config:
+        timeoutMs: 300000
+
+    # The editor consumes the Web fs-sandbox provider and therefore retains
+    # the selected session permission mode.
+    - id: str-replace-editor
+      name: '@deepseek-ai/dsh-tool-str-replace-editor'
+      config:
+        maxOutputChars: 16000
diff --git a/apps/cli/config/tui.cordis.yml b/apps/cli/config/tui.cordis.yml
index 980f9d80ad..d9ce7de680 100644
--- a/apps/cli/config/tui.cordis.yml
+++ b/apps/cli/config/tui.cordis.yml
@@ -71,29 +71,17 @@
     - id: agent-loop-invariant
       name: '@deepseek-ai/dsh-agent-loop/invariant'
 
-    - id: session-checkpoint-policy
-      name: '@deepseek-ai/dsh-session-checkpoint-policy'
-
     # The derived query index behind `/resume`. The launcher provides a unique
     # process-local path because this SQLite backend has one writer owner; the
     # project-local fallback applies when no launcher sets the typed slot.
     - id: session-reference
       name: '@deepseek-ai/dsh-session-reference'
 
-    # Compacts oversized tool results before the broader conversation compactor
-    # runs, preserving the model-visible result within the configured budget.
-    - id: tool-result-prune
-      name: '@deepseek-ai/dsh-compact-tool-result-prune'
-
-    # Persisted same-session goals reach the model and the slash menu here; the
-    # domain, driver, and `/goal` command are in the base.
-    - id: tool-goal
-      name: '@deepseek-ai/dsh-tool-goal'
-
-    # A separate fixed consumer demonstrates fresh-agent Ralph iteration without
-    # changing the workflow tool or same-session goal behavior.
-    - id: tool-ralph
-      name: '@deepseek-ai/dsh-tool-ralph'
+    # Terminal-multiplexer context, mounted only where a terminal exists.
+    - id: tmux-context
+      name: '@deepseek-ai/dsh-tmux-context'
+      config:
+        refreshIntervalMs: 900000
 
     # The keyboard-backed provider behind ask_user_question and the plan-mode
     # review, and the front door it renders inside.
diff --git a/apps/cli/config/web.cordis.yml b/apps/cli/config/web.cordis.yml
index a2fc10804d..f0c2e5ea28 100644
--- a/apps/cli/config/web.cordis.yml
+++ b/apps/cli/config/web.cordis.yml
@@ -14,9 +14,14 @@
 - id: hmr
   disabled: true
 
-# Session query is a TUI capability; Web owns its own session presentation.
+# Web content search runs on an ephemeral in-memory index. The service
+# activates at boot, while first-search defers the node:sqlite import and
+# in-memory handle so Node 22 startup stays quiet until content search
+# actually uses SQLite. That search then reconciles this boot's sources.
 - id: session-query-sqlite
-  disabled: true
+  config:
+    path: ':memory:'
+    openAt: first-search
 
 - id: tools
   config:
@@ -92,7 +97,7 @@
     - id: storage-json
       name: '@deepseek-ai/dsh-storage-json'
       config:
-        root: './.storages'
+        root: !!js dshHomePath('storages')
 
     - id: storage-domain
       name: '@deepseek-ai/dsh-storage-domain'
@@ -108,9 +113,6 @@
         writeEveryEvents: 200
         writeIntervalMs: 5000
 
-    - id: tool-todo
-      name: '@deepseek-ai/dsh-tool-todo'
-
     # Resolve bind host, SSH launch, and display once at boot, then mount the
     # matching dual-face directory picker. Mount -native or -browse directly in
     # an overlay to pin the interaction.
diff --git a/apps/cli/package.json b/apps/cli/package.json
index 37cb4138a0..2269ceaffb 100644
--- a/apps/cli/package.json
+++ b/apps/cli/package.json
@@ -9,6 +9,7 @@
   },
   "files": [
     "lib/bin.js",
+    "assets",
     "config",
     "src"
   ],
@@ -47,6 +48,7 @@
     "@deepseek-ai/dsh-client-ui-trajectory": "workspace:^",
     "@deepseek-ai/dsh-client-ui-workspace": "workspace:^",
     "@deepseek-ai/dsh-code-runtime-worker": "workspace:^",
+    "@deepseek-ai/dsh-command-compact": "workspace:^",
     "@deepseek-ai/dsh-command-goal": "workspace:^",
     "@deepseek-ai/dsh-commands": "workspace:^",
     "@deepseek-ai/dsh-compact-basic": "workspace:^",
@@ -68,9 +70,13 @@
     "@deepseek-ai/dsh-llm-deepseek": "workspace:^",
     "@deepseek-ai/dsh-llm-pi-ai": "workspace:^",
     "@deepseek-ai/dsh-llm-retry": "workspace:^",
+    "@deepseek-ai/dsh-mcp-client": "workspace:^",
     "@deepseek-ai/dsh-paths": "workspace:^",
     "@deepseek-ai/dsh-permission": "workspace:^",
     "@deepseek-ai/dsh-plan-mode": "workspace:^",
+    "@deepseek-ai/dsh-repeat-tool-guard": "workspace:^",
+    "@deepseek-ai/dsh-pty": "workspace:^",
+    "@deepseek-ai/dsh-pty-local": "workspace:^",
     "@deepseek-ai/dsh-sandbox-local": "workspace:^",
     "@deepseek-ai/dsh-sandbox-policy": "workspace:^",
     "@deepseek-ai/dsh-scope": "workspace:^",
@@ -79,6 +85,7 @@
     "@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^",
     "@deepseek-ai/dsh-session-projection": "workspace:^",
     "@deepseek-ai/dsh-session-projection-cache": "workspace:^",
+    "@deepseek-ai/dsh-session-query": "workspace:^",
     "@deepseek-ai/dsh-session-query-sqlite": "workspace:^",
     "@deepseek-ai/dsh-session-reference": "workspace:^",
     "@deepseek-ai/dsh-session-telemetry-otel": "workspace:^",
@@ -99,26 +106,34 @@
     "@deepseek-ai/dsh-system-prompt": "workspace:^",
     "@deepseek-ai/dsh-tasks-local": "workspace:^",
     "@deepseek-ai/dsh-timeout-policy": "workspace:^",
+    "@deepseek-ai/dsh-tmux-context": "workspace:^",
     "@deepseek-ai/dsh-token-meter": "workspace:^",
     "@deepseek-ai/dsh-tool-ask-user": "workspace:^",
     "@deepseek-ai/dsh-tool-bash": "workspace:^",
+    "@deepseek-ai/dsh-tool-bash-persistent": "workspace:^",
     "@deepseek-ai/dsh-tool-cordis": "workspace:^",
     "@deepseek-ai/dsh-tool-fs": "workspace:^",
     "@deepseek-ai/dsh-tool-fs-search": "workspace:^",
     "@deepseek-ai/dsh-tool-goal": "workspace:^",
     "@deepseek-ai/dsh-tool-ralph": "workspace:^",
+    "@deepseek-ai/dsh-tool-session-query": "workspace:^",
     "@deepseek-ai/dsh-tool-skill": "workspace:^",
+    "@deepseek-ai/dsh-tool-str-replace-editor": "workspace:^",
     "@deepseek-ai/dsh-tool-subagent": "workspace:^",
     "@deepseek-ai/dsh-tool-tasks": "workspace:^",
     "@deepseek-ai/dsh-tool-todo": "workspace:^",
+    "@deepseek-ai/dsh-tool-web": "workspace:^",
     "@deepseek-ai/dsh-tool-workflow": "workspace:^",
     "@deepseek-ai/dsh-tools": "workspace:^",
     "@deepseek-ai/dsh-tui": "workspace:^",
     "@deepseek-ai/dsh-user-approval": "workspace:^",
     "@deepseek-ai/dsh-user-interaction": "workspace:^",
+    "@deepseek-ai/dsh-web": "workspace:^",
+    "@deepseek-ai/dsh-web-search-deepseek": "workspace:^",
     "@deepseek-ai/dsh-workflow-workerthread": "workspace:^",
     "@deepseek-ai/dsh-workspace": "workspace:^",
     "@deepseek-ai/dsh-workspace-context": "workspace:^",
+    "@earendil-works/pi-tui": "0.80.7",
     "commander": "^15.0.0",
     "cordis": "^4.0.0-rc.7",
     "js-yaml": "^4.2.0"
diff --git a/apps/cli/src/app-cli-entry.ts b/apps/cli/src/app-cli-entry.ts
index 6ac88d23c5..54ade122c7 100644
--- a/apps/cli/src/app-cli-entry.ts
+++ b/apps/cli/src/app-cli-entry.ts
@@ -3,7 +3,7 @@
  * for the Web/headless surface.
  * Everything here is what must exist before the Loader runs: the patch
  * composition over the shipped base and surface overlay (profile json + CLI
- * flags + the resolved frontend dist), and the fail-loud triple after the tree
+ * flags + the resolved frontend dist), and the fail-loud activation audit after the tree
  * settles. The environment is what the bin already loaded (ambient plus the
  * invoking directory's `.env`); `$DSH_HOME/.env` belongs to the credential
  * provider and is never hoisted here.
@@ -246,7 +246,7 @@ export class AppCLIEntry {
     if (telemetryPatch !== undefined) this.patches.push(telemetryPatch)
   }
 
-  /** Shared Loader boot; the dev HMR row mounts before await so the fail-loud sweep covers it. */
+  /** Shared Loader boot; the dev HMR row mounts before await so the activation audit covers it. */
   private async bootTree(): Promise<void> {
     // One include of the shared base with every overlay as a sibling patch
     // list: patches never cross an include boundary, so nesting them would
diff --git a/apps/cli/src/args.ts b/apps/cli/src/args.ts
index a1f0fff4c4..2c05e966bc 100644
--- a/apps/cli/src/args.ts
+++ b/apps/cli/src/args.ts
@@ -2,8 +2,9 @@
  * Commander adapter for the `dsh` command-line entry: the one place argv is
  * parsed and routed to a mode. `bin.ts` switches on the returned discriminant
  * and dynamic-imports that mode's module. One program: the default (no
- * subcommand) is the TUI/headless surface with option-only flags; `meta` and
- * `web` are real subcommands. Commander owns `--help`/`--version` and parse
+ * subcommand) is the TUI/headless surface with option-only flags;
+ * `experimental-meta` and `web` are real subcommands. Commander owns
+ * `--help`/`--version` and parse
  * errors — it prints and exits at the point of failure (a domain failure routes through
  * `command.error`), so this returns only a resolved mode.
  * @module @deepseek-ai/dsh/args
@@ -23,6 +24,22 @@ interface TuiInvocation {
   resume?: string
 }
 
+/**
+ * Print the composed config tree and exit, without booting: `--dump-config`
+ * composes the shipped base, the surface overlay, and the `--config` or
+ * personal overlay — exactly the layers that surface would boot;
+ * `--dump-default-config` stops at the surface overlay (the shipped tree, no
+ * user layer).
+ */
+interface DumpConfigInvocation {
+  mode: 'dump-config'
+  surface: 'tui' | 'web'
+  /** Omit the `--config`/personal layer and print only the shipped composition. */
+  defaultOnly: boolean
+  /** The `--config` overlay to compose instead of the personal one. */
+  config?: string
+}
+
 /** Headless one-shot: `dsh -p "task"`. */
 interface HeadlessInvocation {
   mode: 'headless'
@@ -35,8 +52,8 @@ interface MetaInvocation {
 }
 
 /**
- * Guided fresh-session entry: `dsh upgrade` seeds the first turn with the
- * `dsh-upgrade` skill. It always mints a
+ * Guided fresh-session entry: `dsh experimental-upgrade` seeds the first turn
+ * with the `dsh-upgrade` skill. It always mints a
  * fresh session in the invoking directory and takes no options — `--resume`,
  * `--config`, and `-p` are rejected as mistyped, so there is nothing to carry.
  */
@@ -69,6 +86,7 @@ interface WebInvocation {
 /** The resolved `dsh` invocation: exactly one mode. `--help`/`--version`/errors exit inside {@link parseDshArgs}. */
 export type DshInvocation =
   | TuiInvocation
+  | DumpConfigInvocation
   | HeadlessInvocation
   | MetaInvocation
   | SkillSessionInvocation
@@ -82,6 +100,34 @@ interface WebOptions {
   dev?: boolean
   workspaceRoot?: string
   trustedHost?: string[]
+  dumpConfig?: boolean
+  dumpDefaultConfig?: boolean
+}
+
+/**
+ * Resolve the two dump flags for one surface, or return `undefined` when
+ * neither was passed. Both flags together are contradictory (one includes the
+ * user layer, the other excludes it) and fail loud through `error`.
+ */
+function resolveDump(
+  surface: 'tui' | 'web',
+  options: { config?: string; dumpConfig?: boolean; dumpDefaultConfig?: boolean },
+  error: (message: string) => never,
+): DumpConfigInvocation | undefined {
+  if (options.dumpConfig !== true && options.dumpDefaultConfig !== true) return undefined
+  if (options.dumpConfig === true && options.dumpDefaultConfig === true) {
+    error('error: --dump-config and --dump-default-config are mutually exclusive')
+  }
+  const defaultOnly = options.dumpDefaultConfig === true
+  if (defaultOnly && options.config !== undefined) {
+    error('error: --dump-default-config prints the shipped tree and takes no --config')
+  }
+  return {
+    mode: 'dump-config',
+    surface,
+    defaultOnly,
+    ...options.config !== undefined && { config: options.config },
+  }
 }
 
 /**
@@ -135,7 +181,26 @@ Examples:
     .option('--resume <id>', 'continue a past session by id')
     .option('--config <path>', 'apply this overlay of loader patches instead of the personal one')
     .option('--config-replace <path>', 'boot this file as the entire tree, ignoring the shipped and personal configuration')
-    .action((options: { config?: string; configReplace?: string; prompt?: string; resume?: string }) => {
+    .option('--dump-config', 'print the composed config tree (base + surface + --config/personal overlay) and exit')
+    .option('--dump-default-config', 'print the shipped config tree (base + surface overlay, no user layer) and exit')
+    .action((options: {
+      config?: string
+      configReplace?: string
+      prompt?: string
+      resume?: string
+      dumpConfig?: boolean
+      dumpDefaultConfig?: boolean
+    }) => {
+      const dump = resolveDump('tui', options, message => program.error(message))
+      if (dump !== undefined) {
+        // The dump prints composition; a boot-only flag alongside it would be
+        // silently ignored, so reject the mix loud.
+        if (options.prompt !== undefined || options.resume !== undefined || options.configReplace !== undefined) {
+          program.error('error: --dump-config/--dump-default-config take none of -p/--prompt, --resume, or --config-replace')
+        }
+        resolved = dump
+        return
+      }
       if (options.prompt !== undefined) {
         // A headless prompt owns the invocation; an empty task has nothing to
         // run, and --config/--resume are TUI inputs that must not silently
@@ -168,22 +233,31 @@ Examples:
   // a leaked config/prompt/resume option is a mistyped invocation that must fail
   // loud rather than silently run and drop the input.
   const rejectParentOptions = (command: string): void => {
-    const parent = program.opts<{ config?: string; configReplace?: string; prompt?: string; resume?: string }>()
+    const parent = program.opts<{
+      config?: string
+      configReplace?: string
+      prompt?: string
+      resume?: string
+      dumpConfig?: boolean
+      dumpDefaultConfig?: boolean
+    }>()
     if (parent.config !== undefined || parent.configReplace !== undefined
-      || parent.prompt !== undefined || parent.resume !== undefined) {
-      program.error(`error: ${command} takes none of --config, --config-replace, -p/--prompt, or --resume`)
+      || parent.prompt !== undefined || parent.resume !== undefined
+      || parent.dumpConfig !== undefined || parent.dumpDefaultConfig !== undefined) {
+      program.error(`error: ${command} takes none of --config, --config-replace, -p/--prompt, --resume, --dump-config, or --dump-default-config`)
     }
   }
 
   // Registration order is the rendered help order, so daily use comes first
-  // and the harness-development surfaces (`web --dev`, `meta`) come last.
-  // `upgrade` is a guided fresh-session entry: it takes no options and always
-  // mints a fresh session, so nothing is left to carry.
+  // and the harness-development surfaces (`web --dev`, `experimental-meta`)
+  // come last. `experimental-upgrade` is a guided fresh-session entry: it
+  // takes no options and always mints a fresh session, so nothing is left to
+  // carry.
   program
-    .command('upgrade')
+    .command('experimental-upgrade')
     .description('update this dsh installation to the latest version')
     .action(() => {
-      rejectParentOptions('upgrade')
+      rejectParentOptions('experimental-upgrade')
       resolved = { mode: 'upgrade' }
     })
 
@@ -198,16 +272,23 @@ Examples:
     .option('--dev', 'developer mode: hot-reload the browser client')
     .option('--workspace-root <path>', 'parent directory for workspaces created from the browser UI')
     .option('--trusted-host <authority...>', 'extra authority the /api browser-trust fence accepts (host or host:port; repeatable)')
+    .option('--dump-config', 'print the composed config tree (base + web + --config/personal overlay) and exit')
+    .option('--dump-default-config', 'print the shipped config tree (base + web overlay, no user layer) and exit')
     .action((options: WebOptions) => {
       rejectParentOptions('web')
+      const dump = resolveDump('web', options, message => program.error(message))
+      if (dump !== undefined) {
+        resolved = dump
+        return
+      }
       resolved = resolveWeb(options)
     })
 
   program
-    .command('meta')
+    .command('experimental-meta')
     .description('work on the dsh source that runs this command, from any directory')
     .action(() => {
-      rejectParentOptions('meta')
+      rejectParentOptions('experimental-meta')
       resolved = { mode: 'meta' }
     })
 
diff --git a/apps/cli/src/bin.ts b/apps/cli/src/bin.ts
index 6f7ae77c76..a1e46ccb1e 100644
--- a/apps/cli/src/bin.ts
+++ b/apps/cli/src/bin.ts
@@ -43,14 +43,19 @@ switch (invocation.mode) {
     await runTui(invocation.config, invocation.resume, undefined, undefined, invocation.configReplace)
     break
   }
+  case 'dump-config': {
+    const { runDumpConfig } = await import('./dump-config.ts')
+    runDumpConfig(invocation.surface, invocation.defaultOnly, invocation.config)
+    break
+  }
   case 'meta': {
-    const { runMeta } = await import('./tui.ts')
-    await runMeta()
+    const { runTui, SOURCE_ROOT } = await import('./tui.ts')
+    await runTui(undefined, undefined, SOURCE_ROOT)
     break
   }
   case 'upgrade': {
-    const { runSkillSession } = await import('./tui.ts')
-    await runSkillSession(`dsh-${invocation.mode}`)
+    const { runTui } = await import('./tui.ts')
+    await runTui(undefined, undefined, undefined, `dsh-${invocation.mode}`)
     break
   }
   default:
diff --git a/apps/cli/src/dump-config.ts b/apps/cli/src/dump-config.ts
new file mode 100644
index 0000000000..39a87c2dc8
--- /dev/null
+++ b/apps/cli/src/dump-config.ts
@@ -0,0 +1,61 @@
+/**
+ * `dsh --dump-config` / `dsh web --dump-config` — print the composed config
+ * tree without booting: the shipped base, the surface overlay, and (unless
+ * `--dump-default-config`) the `--config` or personal overlay, composed
+ * through the include's own patch algorithm so the printed tree is exactly
+ * what that surface would mount. `!!js` expressions print verbatim,
+ * unevaluated — the dump shows composition, not one process's environment.
+ * Launcher-provided boot-context values (session identity, CLI-flag patches)
+ * are per-invocation facts outside the config tree and do not appear.
+ * @module @deepseek-ai/dsh/dump-config
+ */
+
+import { basename, join } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import {
+  loadOverlayPatches,
+  loadPersonalPatches,
+  PERSONAL_CONFIG_FILENAME,
+  renderConfigDump,
+  type ConfigDumpLayer,
+} from '@deepseek-ai/dsh-app-boot'
+import { resolveDshHome } from '@deepseek-ai/dsh-paths'
+
+const NAME = 'dsh'
+
+const BASE_CONFIG = fileURLToPath(new URL('../config/base.cordis.yml', import.meta.url))
+const SURFACE_OVERLAYS = {
+  tui: fileURLToPath(new URL('../config/tui.cordis.yml', import.meta.url)),
+  web: fileURLToPath(new URL('../config/web.cordis.yml', import.meta.url)),
+} as const
+
+/* v8 ignore start -- composition over the unit-tested renderConfigDump; the
+   built-bin e2e drives this path end to end */
+/**
+ * Print one surface's composed config tree to stdout, with a comment
+ * separator naming the file each section of rows comes from (and the layers
+ * that patched it).
+ * @param surface - which surface overlay to compose over the shared base.
+ * @param defaultOnly - stop at the surface overlay (no `--config`/personal layer).
+ * @param config - the `--config` overlay path composed instead of the personal
+ * one, or `undefined` to use `$DSH_HOME/config.yaml`.
+ */
+export function runDumpConfig(surface: 'tui' | 'web', defaultOnly: boolean, config?: string): void {
+  const overlay = SURFACE_OVERLAYS[surface]
+  const layers: ConfigDumpLayer[] = [
+    { label: basename(overlay), patches: loadOverlayPatches(NAME, overlay) },
+  ]
+  if (!defaultOnly) {
+    if (config === undefined) {
+      const personal = loadPersonalPatches(NAME)
+      // The personal file may be absent; the shipped layers still print.
+      if (personal !== undefined) {
+        layers.push({ label: join(resolveDshHome(), PERSONAL_CONFIG_FILENAME), patches: personal })
+      }
+    } else {
+      layers.push({ label: config, patches: loadOverlayPatches(NAME, config) })
+    }
+  }
+  process.stdout.write(renderConfigDump(NAME, BASE_CONFIG, layers))
+}
+/* v8 ignore stop */
diff --git a/apps/cli/src/tui-onboarding/tui-first-run-welcome-art.ts b/apps/cli/src/tui-onboarding/tui-first-run-welcome-art.ts
new file mode 100644
index 0000000000..afaf56db3d
--- /dev/null
+++ b/apps/cli/src/tui-onboarding/tui-first-run-welcome-art.ts
@@ -0,0 +1,111 @@
+/**
+ * Static terminal rasters derived from the official 24x24 DeepSeek icon.
+ *
+ * Source: `../../assets/deepseek-color.svg`, whose path data is copied exactly
+ * from the supplied official icon (viewBox `0 0 24 24`, fill `#4D6BFE`). Each
+ * tier rasterizes that path into a square binary
+ * mask without redrawing its contour. The Unicode form packs two source rows
+ * into `▀`/`▄`/`█`; the ASCII fallback packs the same two bits into
+ * `'`/`_`/`#`. Assets contain no ANSI and are never generated at runtime.
+ * @module @deepseek-ai/dsh/tui-onboarding/tui-first-run-welcome-art
+ */
+
+/** Responsive official-icon raster tier. */
+export type TuiFirstRunWelcomeArtTier = 'full' | 'compact' | 'minimal'
+
+/** One raster with a block-cell primary and bit-equivalent ASCII fallback. */
+export interface TuiFirstRunWelcomeArt {
+  /** Two vertical source pixels per terminal cell. */
+  readonly unicode: readonly string[]
+  /** Same two-bit cells encoded as top `'`, bottom `_`, and both `#`. */
+  readonly ascii: readonly string[]
+}
+
+const fullUnicode = Object.freeze([
+  '                           ▄',
+  '       ▄▄▄▄▄▄▄▄▄▄███▀      ██▄',
+  '    ▄███████████████▄      ████▄  ▄▄▄▄██',
+  '  ▄███████████████████▄    ████████████▀',
+  ' ▄██████████████████████▄   ▀█████████▀',
+  '▄███▀█████████████████████▄   ████▀▀',
+  '███       ▀▀█████████▀▀▀█████████▀',
+  '███          ▀███████▀█  ▀███████',
+  '███▄           ▀███████▄  ▀█████▀',
+  '▀███             ▀██████████████',
+  ' ▀███▄            ▀███████████▀',
+  '  ▀███▄      ▄▄▄    ▀████████▀',
+  '    █████▄    ███▄▄   ▀█████▄▄',
+  '      ▀█████████████▄▄▄▄█▀█████▀',
+  '        ▀▀███████████▀▀',
+])
+
+const fullAscii = Object.freeze([
+  '                           _',
+  "       __________###'      ##_",
+  '    _###############_      ####_  ____##',
+  "  _###################_    ############'",
+  " _######################_   '#########'",
+  "_###'#####################_   ####''",
+  "###       ''#########'''#########'",
+  "###          '#######'#  '#######",
+  "###_           '#######_  '#####'",
+  "'###             '##############",
+  " '###_            '###########'",
+  "  '###_      ___    '########'",
+  "    #####_    ###__   '#####__",
+  "      '#############____#'#####'",
+  "        ''###########''",
+])
+
+const compactUnicode = Object.freeze([
+  '     ▄▄▄▄▄▄▄██▀    █▄      ▄',
+  '  ▄███████████▄▄   ███▄▄████',
+  ' ████████████████▄ ▀██████▀',
+  '██▀▀▀▀▀████████████▄▄██▀',
+  '██       ▀█████▄ ▀█████',
+  '██▄        ▀████▄ ▄████',
+  ' ██▄         ████████▀',
+  '  ██▄    ▄▄   ▀█████▀',
+  '   ▀███▄▄▄███▄  ████▄▄',
+  '     ▀▀▀███████▀▀',
+])
+
+const compactAscii = Object.freeze([
+  "     _______##'    #_      _",
+  '  _###########__   ###__####',
+  " ################_ '######'",
+  "##'''''############__##'",
+  "##       '#####_ '#####",
+  "##_        '####_ _####",
+  " ##_         ########'",
+  "  ##_    __   '#####'",
+  "   '###___###_  ####__",
+  "     '''#######''",
+])
+
+const minimalUnicode = Object.freeze([
+  '   ▄▄▄▄▄▄   ▄▄',
+  ' ▄████████▄ ▀████▀',
+  '█▀▀▀▀███████▄██▀',
+  '█▄    ▀███ ▀███',
+  '▀█▄     ▀█████',
+  ' ▀█▄▄ █▄▄▀███▄',
+  '    ▀▀▀▀▀▀',
+])
+
+const minimalAscii = Object.freeze([
+  '   ______   __',
+  " _########_ '####'",
+  "#''''#######_##'",
+  "#_    '### '###",
+  "'#_     '#####",
+  " '#__ #__'###_",
+  "    ''''''",
+])
+
+/** Exact-path terminal rasters by responsive tier. */
+export const TUI_FIRST_RUN_WELCOME_WHALE = Object.freeze({
+  full: Object.freeze({ unicode: fullUnicode, ascii: fullAscii }),
+  compact: Object.freeze({ unicode: compactUnicode, ascii: compactAscii }),
+  minimal: Object.freeze({ unicode: minimalUnicode, ascii: minimalAscii }),
+}) satisfies Readonly<Record<TuiFirstRunWelcomeArtTier, TuiFirstRunWelcomeArt>>
diff --git a/apps/cli/src/tui-onboarding/tui-first-run-welcome-copy.ts b/apps/cli/src/tui-onboarding/tui-first-run-welcome-copy.ts
new file mode 100644
index 0000000000..60cec25c52
--- /dev/null
+++ b/apps/cli/src/tui-onboarding/tui-first-run-welcome-copy.ts
@@ -0,0 +1,49 @@
+/**
+ * Centrally owned version and all-locale Chinese copy for the shipped TUI first-run notice.
+ *
+ * A material wording change increments {@link TUI_FIRST_RUN_WELCOME_NOTICE_VERSION}
+ * so every Harness home presents the revised notice once.
+ * @module @deepseek-ai/dsh/tui-onboarding/tui-first-run-welcome-copy
+ */
+
+/** Copy version persisted after the user explicitly continues. */
+export const TUI_FIRST_RUN_WELCOME_NOTICE_VERSION = 4
+
+/** Locale-shaped text rendered by the first-run welcome overlay. */
+export interface TuiFirstRunWelcomeNoticeCopy {
+  /** Overlay heading. */
+  readonly title: string
+  /** Ordered prose paragraphs. */
+  readonly paragraphs: readonly string[]
+  /** Enter action label. */
+  readonly continueLabel: string
+  /** Hint shown when the prose is scrollable. */
+  readonly scrollHint: string
+  /** Status shown while the acknowledgement reaches disk. */
+  readonly saving: string
+  /** Retry message shown when the acknowledgement cannot be persisted. */
+  readonly saveError: string
+}
+
+/** Complete Chinese notice used for every locale. */
+const TUI_FIRST_RUN_WELCOME_CHINESE_COPY = Object.freeze<TuiFirstRunWelcomeNoticeCopy>({
+  title: 'DeepSeek Harness',
+  paragraphs: Object.freeze([
+    '感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部测试阶段，功能仍待完善，体验难免有些粗糙。',
+    '“如切如磋，如琢如磨。” 产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实使用中发现的问题，也可能促使我们重新审视，甚至推翻已有的设计。',
+    '为了帮助我们更准确地还原您真实使用中的问题，内测版本默认会上传所有 Session Log；如需关闭，请设置环境变量 DSH_TELEMETRY_DISABLED=1。另外，如果您有任何反馈与建议，请在企业微信群中留言告诉我们。每一条反馈，都会帮助我们把它打磨得更好。',
+  ]),
+  continueLabel: '继续',
+  scrollHint: '↑/↓ 滚动',
+  saving: '正在保存确认…',
+  saveError: '无法保存确认，请按 Enter 重试。',
+})
+
+/** Locale map whose entries deliberately share the single Chinese owner copy. */
+export const TUI_FIRST_RUN_WELCOME_NOTICE_COPY = Object.freeze({
+  'zh-CN': TUI_FIRST_RUN_WELCOME_CHINESE_COPY,
+  en: TUI_FIRST_RUN_WELCOME_CHINESE_COPY,
+})
+
+/** Locale presented by the shipped first-run notice. */
+export const TUI_FIRST_RUN_WELCOME_NOTICE_LOCALE = 'zh-CN' as const
diff --git a/apps/cli/src/tui-onboarding/tui-first-run-welcome.ts b/apps/cli/src/tui-onboarding/tui-first-run-welcome.ts
new file mode 100644
index 0000000000..41b4c5aca2
--- /dev/null
+++ b/apps/cli/src/tui-onboarding/tui-first-run-welcome.ts
@@ -0,0 +1,385 @@
+/**
+ * Effect-owned first-run overlay for the shipped `dsh` TUI.
+ *
+ * The launcher owns the per-DSH_HOME acknowledgement boundary; the component
+ * reaches the terminal only through the mounted `ctx.tui` overlay service and
+ * never touches the session or model context.
+ * @module @deepseek-ai/dsh/tui-onboarding/tui-first-run-welcome
+ */
+
+import { randomUUID } from 'node:crypto'
+import { lstat, mkdir, open, rename, rm } from 'node:fs/promises'
+import { basename, dirname, join } from 'node:path'
+import type { Context } from 'cordis'
+import {
+  Key,
+  matchesKey,
+  truncateToWidth,
+  visibleWidth,
+  wrapTextWithAnsi,
+} from '@earendil-works/pi-tui'
+import {
+  disposeRootAndExit,
+  type TuiComponent,
+  type TuiFocusable,
+  type TuiOverlayHost,
+} from '@deepseek-ai/dsh-tui'
+import {
+  TUI_FIRST_RUN_WELCOME_NOTICE_COPY,
+  TUI_FIRST_RUN_WELCOME_NOTICE_LOCALE,
+  TUI_FIRST_RUN_WELCOME_NOTICE_VERSION,
+  type TuiFirstRunWelcomeNoticeCopy,
+} from './tui-first-run-welcome-copy.ts'
+import {
+  TUI_FIRST_RUN_WELCOME_WHALE,
+  type TuiFirstRunWelcomeArtTier,
+} from './tui-first-run-welcome-art.ts'
+
+// TODO: Move acknowledgement persistence behind @deepseek-ai/dsh-storage once
+// its backend contract supports concurrent host processes. This same-value
+// marker must not inherit JSON lost updates or SQLite busy failures.
+const ACKNOWLEDGEMENT_DIRECTORY = 'notices'
+const ACKNOWLEDGEMENT_BASENAME = 'tui-first-run-welcome'
+
+/** Cordis plugin name. */
+export const name = 'tui-first-run-welcome'
+/** The notice can open only after the terminal-local overlay service mounts. */
+export const inject = ['tui']
+
+/** Launcher-resolved configuration for the terminal-local notice. */
+interface Config {
+  /** Absolute DeepSeek Harness home owning this acknowledgement. */
+  readonly dshHome: string
+  /** Render the bit-equivalent printable ASCII icon fallback. */
+  readonly asciiArt?: boolean
+}
+
+/**
+ * Detect an explicitly non-Unicode terminal locale for the static ASCII art fallback.
+ * @param env - Process environment carrying locale and terminal declarations.
+ * @returns `true` only when the environment explicitly declares an ASCII-only locale or dumb terminal.
+ */
+export function needsTuiFirstRunWelcomeAsciiArt(
+  env: Readonly<Record<string, string | undefined>> = process.env,
+): boolean {
+  const locale = env.LC_ALL ?? env.LC_CTYPE ?? env.LANG
+  return env.TERM === 'dumb' || locale === 'C' || locale === 'POSIX'
+}
+
+/**
+ * Resolve the immutable marker for one notice version.
+ * @param dshHome - Resolved Harness home.
+ * @param version - Copy version whose acknowledgement is queried.
+ * @returns Absolute marker path beneath the Harness home.
+ */
+export function tuiFirstRunWelcomeAcknowledgementPath(dshHome: string, version: number): string {
+  return join(
+    dshHome,
+    ACKNOWLEDGEMENT_DIRECTORY,
+    `${ACKNOWLEDGEMENT_BASENAME}-v${String(version)}.ack`,
+  )
+}
+
+/**
+ * Test whether one notice version has been acknowledged.
+ * @param dshHome - Resolved Harness home.
+ * @param version - Copy version to inspect.
+ * @returns `true` only for a regular marker file; a malformed marker fails loud.
+ */
+export async function hasTuiFirstRunWelcomeAcknowledgement(
+  dshHome: string,
+  version: number = TUI_FIRST_RUN_WELCOME_NOTICE_VERSION,
+): Promise<boolean> {
+  const path = tuiFirstRunWelcomeAcknowledgementPath(dshHome, version)
+  try {
+    const info = await lstat(path)
+    if (!info.isFile()) throw new Error(`TUI welcome acknowledgement is not a file: ${path}`)
+    return true
+  } catch (error) {
+    if ((error as NodeJS.ErrnoException | null)?.code === 'ENOENT') return false
+    throw error
+  }
+}
+
+/**
+ * Persist one version acknowledgement by syncing a random same-directory file
+ * before atomically replacing the immutable marker. Concurrent launches publish
+ * the same fact, so same-value last-writer-wins replacement loses no state.
+ * @param dshHome - Resolved Harness home.
+ * @param version - Copy version being acknowledged.
+ */
+export async function acknowledgeTuiFirstRunWelcome(
+  dshHome: string,
+  version: number = TUI_FIRST_RUN_WELCOME_NOTICE_VERSION,
+): Promise<void> {
+  const path = tuiFirstRunWelcomeAcknowledgementPath(dshHome, version)
+  const directory = dirname(path)
+  const temp = join(directory, `.${basename(path)}.${randomUUID()}.tmp`)
+  await mkdir(directory, { recursive: true, mode: 0o700 })
+  await syncDirectory(dirname(directory))
+  let handle: Awaited<ReturnType<typeof open>> | undefined
+  try {
+    handle = await open(temp, 'wx', 0o600)
+    await handle.sync()
+    const created = handle
+    handle = undefined
+    await created.close()
+    await rename(temp, path)
+  } catch (error) {
+    /* v8 ignore start -- fault-injected UI coverage proves failed acknowledgements stay uncommitted and retryable */
+    try {
+      await handle?.close()
+    } finally {
+      await rm(temp, { force: true })
+    }
+    throw error
+    /* v8 ignore stop */
+  }
+  try {
+    await syncDirectory(directory)
+  /* v8 ignore next -- rename is the commit point; directory-fsync fault injection is platform-specific */
+  } catch {
+    // Swallow post-rename directory fsync failure: the marker is already committed,
+    // and crash loss can only make the notice reappear on the safe side.
+  }
+}
+
+/** Sync one POSIX directory after publishing a child entry. */
+/* v8 ignore start -- Windows rejects directory opens; POSIX unit coverage owns this path. */
+async function syncDirectory(path: string): Promise<void> {
+  if (process.platform === 'win32') return
+  const handle = await open(path, 'r')
+  try {
+    await handle.sync()
+  } finally {
+    await handle.close()
+  }
+}
+/* v8 ignore stop */
+
+/** Render one visible-width-padded line inside the notice frame. */
+function framed(content: string, innerWidth: number, host: TuiOverlayHost): string {
+  const clipped = truncateToWidth(content, innerWidth, '')
+  return `${host.theme.dim('│')} ${clipped}${' '.repeat(Math.max(0, innerWidth - visibleWidth(clipped)))} ${host.theme.dim('│')}`
+}
+
+/** Center one line by terminal column width. */
+function centered(content: string, width: number): string {
+  const clipped = truncateToWidth(content, width, '')
+  const remaining = Math.max(0, width - visibleWidth(clipped))
+  return `${' '.repeat(Math.floor(remaining / 2))}${clipped}`
+}
+
+/**
+ * Select the art tier for the actual overlay width and viewport height.
+ * @param innerWidth - Columns inside the frame.
+ * @param viewportRows - Current terminal rows.
+ * @returns full, compact, minimal, or no art when prose must take priority.
+ */
+export function tuiFirstRunWelcomeArtTier(
+  innerWidth: number,
+  viewportRows: number,
+): TuiFirstRunWelcomeArtTier | undefined {
+  const compositionCapacity = Math.max(1, Math.max(7, Math.floor(viewportRows * 0.9)) - 5)
+  if (innerWidth >= 96 && TUI_FIRST_RUN_WELCOME_WHALE.full.unicode.length <= compositionCapacity) return 'full'
+  if (innerWidth >= 80 && TUI_FIRST_RUN_WELCOME_WHALE.compact.unicode.length + 4 <= compositionCapacity) return 'compact'
+  if (innerWidth >= 64 && TUI_FIRST_RUN_WELCOME_WHALE.minimal.unicode.length + 4 <= compositionCapacity) return 'minimal'
+  return undefined
+}
+
+/** Wrap the centrally owned prose while promoting its opening quotation. */
+function proseLines(
+  copy: TuiFirstRunWelcomeNoticeCopy,
+  width: number,
+  host: TuiOverlayHost,
+): string[] {
+  const lines: string[] = []
+  for (const [index, paragraph] of copy.paragraphs.entries()) {
+    if (index > 0) lines.push('')
+    const quoteEnd = paragraph.startsWith('“') ? paragraph.indexOf('”') : -1
+    if (quoteEnd > 0) {
+      const quote = paragraph.slice(0, quoteEnd + 1)
+      const remainder = paragraph.slice(quoteEnd + 1).trimStart()
+      lines.push(...wrapTextWithAnsi(host.theme.bold(host.theme.text(host.display(quote))), width))
+      lines.push('')
+      if (remainder !== '') lines.push(...wrapTextWithAnsi(host.theme.text(host.display(remainder)), width))
+    } else {
+      lines.push(...wrapTextWithAnsi(host.theme.text(host.display(paragraph)), width))
+    }
+  }
+  return lines
+}
+
+/** Render centered static brand art without putting ANSI into its owner file. */
+function artLines(
+  tier: TuiFirstRunWelcomeArtTier,
+  width: number,
+  host: TuiOverlayHost,
+  asciiArt: boolean,
+): string[] {
+  const art = TUI_FIRST_RUN_WELCOME_WHALE[tier][asciiArt ? 'ascii' : 'unicode']
+  return art.map(line => centered(host.theme.brand(line), width))
+}
+
+/** Responsive, scrollable notice whose only completion input is Enter. */
+export class TuiFirstRunWelcomeComponent implements TuiComponent, TuiFocusable {
+  focused = false
+  private scrollOffset = 0
+  private bodyCapacity = 1
+  private maxScrollOffset = 0
+  private saving = false
+  private saveFailed = false
+
+  constructor(
+    private readonly host: TuiOverlayHost,
+    private readonly copy: TuiFirstRunWelcomeNoticeCopy,
+    private readonly acknowledge: () => Promise<void>,
+    private readonly exit: () => void,
+    private readonly asciiArt = false,
+  ) {}
+
+  invalidate(): void {}
+
+  render(width: number): string[] {
+    const frameWidth = Math.max(6, width)
+    const innerWidth = Math.max(1, frameWidth - 4)
+    const viewportRows = this.host.viewport.rows
+    const tier = tuiFirstRunWelcomeArtTier(innerWidth, viewportRows)
+    const availableRows = Math.max(7, Math.floor(viewportRows * 0.9))
+    const title = this.host.theme.bold(this.host.theme.brand(this.copy.title))
+    let fixedHeader: string[] = []
+    let fullContentHeader: string[] = []
+    let body: string[]
+    let fullArt: string[] | undefined
+    const fullArtWidth = 44
+
+    if (tier === 'full') {
+      fullArt = artLines(tier, fullArtWidth, this.host, this.asciiArt)
+      const contentWidth = Math.max(1, innerWidth - fullArtWidth - 3)
+      fullContentHeader = [centered(title, contentWidth), '']
+      body = proseLines(this.copy, contentWidth, this.host)
+    } else {
+      const art = tier === undefined ? [] : artLines(tier, innerWidth, this.host, this.asciiArt)
+      fixedHeader = [...art, ...art.length === 0 ? [] : [''], centered(title, innerWidth), '']
+      body = proseLines(this.copy, innerWidth, this.host)
+    }
+
+    const compositionCapacity = Math.max(1, availableRows - 5)
+    const bodyLimit = Math.max(1, compositionCapacity - fixedHeader.length - fullContentHeader.length)
+    this.bodyCapacity = Math.min(body.length, bodyLimit)
+    const maxOffset = Math.max(0, body.length - this.bodyCapacity)
+    this.maxScrollOffset = maxOffset
+    this.scrollOffset = Math.min(this.scrollOffset, maxOffset)
+    const visibleBody = body.slice(this.scrollOffset, this.scrollOffset + this.bodyCapacity)
+
+    const top = this.host.theme.dim(`╭${'─'.repeat(Math.max(0, frameWidth - 2))}╮`)
+    const separator = this.host.theme.dim(`├${'─'.repeat(Math.max(0, frameWidth - 2))}┤`)
+    const bottom = this.host.theme.dim(`╰${'─'.repeat(Math.max(0, frameWidth - 2))}╯`)
+    const action = this.host.theme.bold(this.host.theme.accent(`Enter  ${this.copy.continueLabel}`))
+    const hasAbove = this.scrollOffset > 0
+    const hasBelow = this.scrollOffset < maxOffset
+    const scroll = hasAbove || hasBelow
+      ? `${hasAbove ? '↑' : ' '} ${this.copy.scrollHint} ${hasBelow ? '↓' : ' '}`
+      : ''
+    const status = this.saveFailed
+      ? this.host.theme.error(this.copy.saveError)
+      : this.saving
+        ? this.host.theme.dim(this.copy.saving)
+        : this.host.theme.dim(scroll)
+
+    const fullContent = [...fullContentHeader, ...visibleBody]
+    const composition = fullArt === undefined
+      ? [...fixedHeader, ...visibleBody]
+      : Array.from({ length: Math.max(fullArt.length, fullContent.length) }, (_, index) => {
+        const art = fullArt[index] ?? ''
+        const line = fullContent[index] ?? ''
+        const left = `${art}${' '.repeat(Math.max(0, fullArtWidth - visibleWidth(art)))}`
+        return `${left}   ${line}`
+      })
+
+    return [
+      top,
+      ...composition.map(line => framed(line, innerWidth, this.host)),
+      separator,
+      framed(centered(action, innerWidth), innerWidth, this.host),
+      framed(centered(status, innerWidth), innerWidth, this.host),
+      bottom,
+    ]
+  }
+
+  handleInput(data: string): void {
+    if (matchesKey(data, Key.ctrl('c')) || matchesKey(data, Key.ctrl('d'))) {
+      this.exit()
+      return
+    }
+    if (matchesKey(data, Key.enter)) {
+      if (!this.saving) void this.commit()
+      return
+    }
+    if (this.saving || matchesKey(data, Key.escape)) return
+    if (matchesKey(data, Key.up)) this.scrollBy(-1)
+    else if (matchesKey(data, Key.down)) this.scrollBy(1)
+    else if (matchesKey(data, Key.pageUp)) this.scrollBy(-this.bodyCapacity)
+    else if (matchesKey(data, Key.pageDown)) this.scrollBy(this.bodyCapacity)
+    else if (matchesKey(data, Key.home)) this.scrollTo(0)
+    else if (matchesKey(data, Key.end)) this.scrollTo(this.maxScrollOffset)
+  }
+
+  private scrollBy(delta: number): void {
+    this.scrollTo(this.scrollOffset + delta)
+  }
+
+  private scrollTo(offset: number): void {
+    this.scrollOffset = Math.min(this.maxScrollOffset, Math.max(0, offset))
+    this.host.invalidate()
+  }
+
+  private async commit(): Promise<void> {
+    this.saving = true
+    this.saveFailed = false
+    this.host.invalidate()
+    try {
+      await this.acknowledge()
+      this.host.close()
+    } catch {
+      this.saving = false
+      this.saveFailed = true
+      this.host.invalidate()
+    }
+  }
+}
+
+/**
+ * Open the first-run notice through the mounted TUI's FIFO overlay owner.
+ * @param ctx - Plugin context carrying the terminal-local TUI service.
+ * @param config - Launcher-resolved Harness home.
+ */
+export function apply(ctx: Context, config: Config): void {
+  const copy = TUI_FIRST_RUN_WELCOME_NOTICE_COPY[TUI_FIRST_RUN_WELCOME_NOTICE_LOCALE]
+  const pending = new Set<Promise<void>>()
+  const acknowledge = (): Promise<void> => {
+    const task = acknowledgeTuiFirstRunWelcome(config.dshHome)
+    pending.add(task)
+    const settled = (): void => { pending.delete(task) }
+    void task.then(settled, settled)
+    return task
+  }
+  ctx.effect(() => async () => {
+    await Promise.allSettled(pending)
+  }, 'tui first-run welcome acknowledgement')
+  ctx.tui.openOverlay({
+    create: host => new TuiFirstRunWelcomeComponent(
+      host,
+      copy,
+      acknowledge,
+      () => { disposeRootAndExit(ctx, 0) },
+      config.asciiArt ?? false,
+    ),
+    options: {
+      width: '100%',
+      maxHeight: '90%',
+      anchor: 'center',
+      margin: 0,
+    },
+  })
+}
diff --git a/apps/cli/src/tui.ts b/apps/cli/src/tui.ts
index dee865a0e1..15e7d6f77b 100644
--- a/apps/cli/src/tui.ts
+++ b/apps/cli/src/tui.ts
@@ -8,12 +8,11 @@
  * from it, so `dsh` acts on whatever project it is launched in. Session storage
  * is the exception — it lives under the Harness home so `/resume` reaches every
  * workspace, and an in-place resume enters the selected session's own directory.
- * `dsh meta`
- * ({@link runMeta}) is the one exception — it makes this harness checkout the
- * workspace. `dsh upgrade` ({@link runSkillSession}) is a fresh
- * session whose first turn auto-invokes a bundled skill. After boot, the
- * agent's system prompt is told the path to this harness checkout so it can
- * find its own source.
+ * `dsh experimental-meta` is the one exception — it makes this harness
+ * checkout the workspace. `dsh experimental-upgrade` is a fresh session whose
+ * first turn auto-invokes a bundled skill. After boot, the agent's system
+ * prompt is told the path to this harness checkout so it can find its own
+ * source.
  * @module @deepseek-ai/dsh/tui
  */
 
@@ -30,6 +29,7 @@ import {
   loadPersonalPatches,
   resolveConfigPath,
 } from '@deepseek-ai/dsh-app-boot'
+import { resolveDshHome } from '@deepseek-ai/dsh-paths'
 import { SessionId } from '@deepseek-ai/dsh-session'
 import { configHasTelemetryRow, resolveTelemetryPatch } from './app-cli-entry.ts'
 import { SESSION_QUERY_SQLITE_PATH_KEY } from '@deepseek-ai/dsh-session-query-sqlite'
@@ -42,6 +42,16 @@ import {
   type MainSessionIdentity,
   type TuiResumeHost,
 } from '@deepseek-ai/dsh-tui'
+import {
+  apply as applyTuiFirstRunWelcome,
+  hasTuiFirstRunWelcomeAcknowledgement,
+  inject as tuiFirstRunWelcomeInject,
+  name as tuiFirstRunWelcomeName,
+  needsTuiFirstRunWelcomeAsciiArt,
+} from './tui-onboarding/tui-first-run-welcome.ts'
+import {
+  TUI_FIRST_RUN_WELCOME_NOTICE_VERSION,
+} from './tui-onboarding/tui-first-run-welcome-copy.ts'
 
 const NAME = 'dsh'
 
@@ -61,30 +71,11 @@ const SESSION_QUERY_DB = `session-query-${String(process.pid)}-${randomUUID()}.d
 // The harness checkout root: three hops up from apps/cli/{src,lib}, resolved
 // from this bin's location so it holds however `dsh` is launched (a PATH
 // symlink, an arbitrary cwd). The agent is told where its own source lives.
-const SOURCE_ROOT = fileURLToPath(new URL('../../..', import.meta.url))
+/** The harness checkout used as the `dsh experimental-meta` workspace and source prompt path. */
+export const SOURCE_ROOT = fileURLToPath(new URL('../../..', import.meta.url))
 
 /* v8 ignore start -- composition over the unit-tested dsh-app-boot helpers;
    the CLI PTY smoke drives this path end to end, personal overlay included */
-/**
- * Run the interactive TUI with this harness checkout as the workspace
- * (`dsh meta`), whatever directory it was launched from.
- */
-export async function runMeta(): Promise<void> {
-  return runTui(undefined, undefined, SOURCE_ROOT)
-}
-
-/**
- * Run the interactive TUI as a guided fresh session whose first turn invokes a
- * bundled skill (`dsh upgrade` → `dsh-upgrade`).
- * Always mints a fresh session in the invoking directory; the skill is seeded
- * only on this first launch, so a later `--resume` of the session is an ordinary
- * TUI session with no re-injection.
- * @param skill - the bundled skill name to auto-invoke as the first turn.
- */
-export async function runSkillSession(skill: string): Promise<void> {
-  return runTui(undefined, undefined, undefined, skill)
-}
-
 /**
  * Run the interactive TUI from the invoking directory.
  * @param config - an overlay patch list applied over the shared base and the
@@ -97,10 +88,10 @@ export async function runSkillSession(skill: string): Promise<void> {
  * {@link CONFIGURED_AGENT_IDENTITIES_KEY}, so no config key selects the session
  * and an overlay replacing the agent row cannot drop it.
  * @param workspace - a directory to make the workspace instead of the invoking
- * one, or `undefined` to keep the cwd. Only `dsh meta` passes it.
+ * one, or `undefined` to keep the cwd. Only `dsh experimental-meta` passes it.
  * @param initialSkill - a bundled skill to auto-invoke as a fresh session's
- * first turn, or `undefined`. Set only by {@link runSkillSession} and ignored
- * on a resume, so it never re-fires; reaches the app through
+ * first turn, or `undefined`. Set only by `dsh experimental-upgrade` and
+ * ignored on a resume, so it never re-fires; reaches the app through
  * {@link INITIAL_SKILL_KEY}.
  * @param configReplace - a config path to boot as the ENTIRE tree, bypassing the
  * shared base, the TUI overlay, and the personal overlay alike, or `undefined`
@@ -133,6 +124,11 @@ export async function runTui(
   // both together. Sessions themselves live under the Harness home so `/resume`
   // spans every workspace, and are unaffected by this chdir.
   if (workspace !== undefined) process.chdir(workspace)
+  const dshHome = resolveDshHome()
+  const showFirstRunWelcome = !await hasTuiFirstRunWelcomeAcknowledgement(
+    dshHome,
+    TUI_FIRST_RUN_WELCOME_NOTICE_VERSION,
+  )
   process.env.DSH_BUNDLED_SKILL_DIR = join(SOURCE_ROOT, 'skills')
   // The in-place `/resume` handoff re-execs `dsh` with a normalized `--resume`
   // flag, so the resumed process rehydrates through this same intake. The
@@ -144,8 +140,9 @@ export async function runTui(
   const entry = process.argv[1]
   const execve = process.execve?.bind(process)
   const app: { current?: Context } = {}
-  // Resume always enters the default surface because meta rejects parent
-  // options, including `--resume`. The resumed session already persists its cwd.
+  // Resume always enters the default surface because experimental-meta rejects
+  // parent options, including `--resume`. The resumed session already persists
+  // its cwd.
   const resumeArgs = (sessionId: string): string[] => [
     `--resume=${sessionId}`,
     // Both config flags must survive the handoff: resuming into a different
@@ -251,5 +248,15 @@ export async function runTui(
   )
   app.current = ctx
   addHarnessSourceSection(ctx, SOURCE_ROOT)
+  if (showFirstRunWelcome) {
+    await ctx.plugin({
+      name: tuiFirstRunWelcomeName,
+      inject: tuiFirstRunWelcomeInject,
+      apply: applyTuiFirstRunWelcome,
+    }, {
+      dshHome,
+      asciiArt: needsTuiFirstRunWelcomeAsciiArt(),
+    })
+  }
 }
 /* v8 ignore stop */
diff --git a/apps/cli/src/web.ts b/apps/cli/src/web.ts
index 6c37598e11..9c6a2ec94c 100644
--- a/apps/cli/src/web.ts
+++ b/apps/cli/src/web.ts
@@ -57,12 +57,14 @@ export async function runWeb(
     void Promise.resolve(ctx.fiber.dispose()).finally(() => { process.exit(code) })
   }
 
+  // Install shutdown handling before publishing readiness: supervisors may
+  // send a signal as soon as they observe the URL line.
+  process.on('SIGTERM', () => { shutdown(0) })
+  process.on('SIGINT', () => { shutdown(130) })
+
   // The entry's boot-time snapshot, not a fresh sample: the printed LAN URL
   // must name an address the /api trust fence was configured with.
   const lanCandidate = entry.lanAddresses[0]
   const localUrl = `http://${LOOPBACK_HOST}:${boundPort}`
   console.log(`dsh web: ${localUrl}${lanCandidate === undefined ? '' : ` (LAN: http://${lanCandidate}:${boundPort})`}`)
-
-  process.on('SIGTERM', () => { shutdown(0) })
-  process.on('SIGINT', () => { shutdown(130) })
 }
diff --git a/apps/cli/tests/args.spec.ts b/apps/cli/tests/args.spec.ts
index 396a0e6ca5..9da69fb91c 100644
--- a/apps/cli/tests/args.spec.ts
+++ b/apps/cli/tests/args.spec.ts
@@ -24,13 +24,13 @@ function exitCode(argv: string[]): number {
 afterEach(() => { vi.restoreAllMocks() })
 
 describe('parseDshArgs', () => {
-  it('routes each mode by its shape: default TUI, -p headless, meta and web subcommands', () => {
+  it('routes each mode by its shape: default TUI, -p headless, experimental and web subcommands', () => {
     expect(parse([])).toEqual({ mode: 'tui' })
     expect(parse(['--config', 'custom.yml'])).toEqual({ mode: 'tui', config: 'custom.yml' })
     expect(parse(['--config-replace', 'tree.yml'])).toEqual({ mode: 'tui', configReplace: 'tree.yml' })
     expect(parse(['--resume', 'sess', '--config', 'app.yml'])).toEqual({ mode: 'tui', config: 'app.yml', resume: 'sess' })
     expect(parse(['-p', 'do the thing'])).toEqual({ mode: 'headless', prompt: 'do the thing' })
-    expect(parse(['meta'])).toEqual({ mode: 'meta' })
+    expect(parse(['experimental-meta'])).toEqual({ mode: 'meta' })
     // Bare `web` carries no host/port: the shipped Web overlay owns the default.
     expect(parse(['web'])).toEqual({ mode: 'web', dev: false })
     expect(parse(['web', '--config', 'web.yml'])).toEqual({ mode: 'web', dev: false, config: 'web.yml' })
@@ -39,12 +39,35 @@ describe('parseDshArgs', () => {
     expect(parse(['web', '--host', '0.0.0.0', '--port', '8080', '--dev', '--workspace-root', '/w']))
       .toEqual({ mode: 'web', host: '0.0.0.0', port: 8080, dev: true, workspaceRoot: '/w' })
     // Guided fresh-session entries carry nothing: bare mode discriminant only.
-    expect(parse(['upgrade'])).toEqual({ mode: 'upgrade' })
+    expect(parse(['experimental-upgrade'])).toEqual({ mode: 'upgrade' })
     // --trusted-host is variadic and repeatable; authorities pass through unvalidated.
     expect(parse(['web', '--trusted-host', 'harness.internal:3080', 'lab.internal', '--trusted-host', '10.0.0.9']))
       .toEqual({ mode: 'web', dev: false, trustedHosts: ['harness.internal:3080', 'lab.internal', '10.0.0.9'] })
   })
 
+  it('routes the dump flags per surface: composed with the user layer, or shipped only', () => {
+    expect(parse(['--dump-config'])).toEqual({ mode: 'dump-config', surface: 'tui', defaultOnly: false })
+    expect(parse(['--dump-config', '--config', 'c.yml']))
+      .toEqual({ mode: 'dump-config', surface: 'tui', defaultOnly: false, config: 'c.yml' })
+    expect(parse(['--dump-default-config'])).toEqual({ mode: 'dump-config', surface: 'tui', defaultOnly: true })
+    expect(parse(['web', '--dump-config'])).toEqual({ mode: 'dump-config', surface: 'web', defaultOnly: false })
+    expect(parse(['web', '--dump-config', '--config', 'w.yml']))
+      .toEqual({ mode: 'dump-config', surface: 'web', defaultOnly: false, config: 'w.yml' })
+    expect(parse(['web', '--dump-default-config'])).toEqual({ mode: 'dump-config', surface: 'web', defaultOnly: true })
+    // The two dump flags contradict each other; boot-only flags alongside a
+    // dump would be silently ignored; the shipped tree takes no user overlay.
+    expect(exitCode(['--dump-config', '--dump-default-config'])).toBe(1)
+    expect(exitCode(['--dump-default-config', '--config', 'c.yml'])).toBe(1)
+    expect(exitCode(['--dump-config', '--resume', 's'])).toBe(1)
+    expect(exitCode(['--dump-config', '-p', 'task'])).toBe(1)
+    expect(exitCode(['--dump-config', '--config-replace', 'tree.yml'])).toBe(1)
+    expect(exitCode(['web', '--dump-config', '--dump-default-config'])).toBe(1)
+    expect(exitCode(['web', '--dump-default-config', '--config', 'w.yml'])).toBe(1)
+    // A leaked dump flag on a subcommand that has none is a mistyped invocation.
+    expect(exitCode(['experimental-meta', '--dump-config'])).toBe(1)
+    expect(exitCode(['experimental-upgrade', '--dump-config'])).toBe(1)
+  })
+
   it('exits nonzero instead of silently starting fresh or dropping inputs', () => {
     // Empty resume/prompt would be swallowed downstream; --prompt mixed with
     // TUI inputs must not lose them. (Bad host/port are gated by the webserver
@@ -65,17 +88,20 @@ describe('parseDshArgs', () => {
     expect(exitCode(['--config-replace', 'tree.yml', 'web'])).toBe(1)
     // Same rule for each subcommand that shares no option with the default
     // surface, so a leaked flag is a typo, not something to ignore.
-    // `meta` fixes its own config tree and always starts fresh, so every
-    // default-surface option is rejected.
-    expect(exitCode(['meta', '--resume', 's'])).toBe(1)
-    expect(exitCode(['meta', '--config', 'c.yml'])).toBe(1)
-    expect(exitCode(['meta', '--config-replace', 'tree.yml'])).toBe(1)
-    expect(exitCode(['meta', '-p', 'task'])).toBe(1)
-    // `upgrade` takes no options: any leaked default-surface flag is a
-    // mistyped invocation, not a silently-dropped input.
-    expect(exitCode(['upgrade', '--resume', 's'])).toBe(1)
-    expect(exitCode(['upgrade', '--config', 'c.yml'])).toBe(1)
-    expect(exitCode(['-p', 'task', 'upgrade'])).toBe(1)
+    // `experimental-meta` fixes its own config tree and always starts fresh,
+    // so every default-surface option is rejected.
+    expect(exitCode(['experimental-meta', '--resume', 's'])).toBe(1)
+    expect(exitCode(['experimental-meta', '--config', 'c.yml'])).toBe(1)
+    expect(exitCode(['experimental-meta', '--config-replace', 'tree.yml'])).toBe(1)
+    expect(exitCode(['experimental-meta', '-p', 'task'])).toBe(1)
+    // `experimental-upgrade` takes no options: any leaked default-surface flag
+    // is a mistyped invocation, not a silently-dropped input.
+    expect(exitCode(['experimental-upgrade', '--resume', 's'])).toBe(1)
+    expect(exitCode(['experimental-upgrade', '--config', 'c.yml'])).toBe(1)
+    expect(exitCode(['-p', 'task', 'experimental-upgrade'])).toBe(1)
+    // The pre-release command names have no compatibility aliases.
+    expect(exitCode(['meta'])).toBe(1)
+    expect(exitCode(['upgrade'])).toBe(1)
   })
 
   it('exits 0 for --help (disclosing web) and --version', () => {
diff --git a/apps/cli/tests/built-bin.e2e.ts b/apps/cli/tests/built-bin.e2e.ts
index d5bcbfd378..c9e1b29969 100644
--- a/apps/cli/tests/built-bin.e2e.ts
+++ b/apps/cli/tests/built-bin.e2e.ts
@@ -1,8 +1,9 @@
-import { existsSync } from 'node:fs'
+import { existsSync, mkdtempSync, rmSync, writeFileSync } from 'node:fs'
+import { tmpdir } from 'node:os'
 import { join } from 'node:path'
 import { fileURLToPath } from 'node:url'
 import { execa } from 'execa'
-import { describe, expect, it } from 'vitest'
+import { afterEach, beforeEach, describe, expect, it } from 'vitest'
 
 /**
  * Published-entry smoke for the `dsh` bin: run the built `lib/bin.js` under
@@ -22,13 +23,20 @@ import { describe, expect, it } from 'vitest'
 const repoRoot = fileURLToPath(new URL('../../../', import.meta.url))
 const dshBin = join(repoRoot, 'apps/cli/lib/bin.js')
 
-/** Run the built bin with PIPED stdio (stdin closed at EOF); resolve with output + exit code. */
-async function runBuiltBin(): Promise<{ stdout: string; code: number; stderr: string }> {
-  const result = await execa(process.execPath, [dshBin], {
+/**
+ * Run the built bin with PIPED stdio (stdin closed at EOF); resolve with output
+ * + exit code. `env` isolates the Harness home for surfaces that read it.
+ */
+async function runBuiltBin(
+  args: readonly string[] = [],
+  env: Record<string, string> = {},
+): Promise<{ stdout: string; code: number; stderr: string }> {
+  const result = await execa(process.execPath, [dshBin, ...args], {
     input: '',
     timeout: 25_000,
     killSignal: 'SIGKILL',
     reject: false,
+    env,
   })
   if (result.timedOut) {
     throw new Error(`dsh built bin did not exit within 25s. stdout:\n${result.stdout}\nstderr:\n${result.stderr}`)
@@ -45,4 +53,61 @@ describe.skipIf(!existsSync(dshBin))('dsh BUILT bin (node lib/bin.js, no tsx)',
     // The refusal happens before any plugin mounts: stdout stays silent.
     expect(stdout).toBe('')
   }, 30_000)
+
+  describe('dsh --dump-config', () => {
+    let home: string
+    beforeEach(() => { home = mkdtempSync(join(tmpdir(), 'dsh-dump-bin-')) })
+    afterEach(() => { rmSync(home, { recursive: true, force: true }) })
+
+    it('prints the shipped TUI composition without booting or needing a TTY', async () => {
+      const { stdout, code, stderr } = await runBuiltBin(['--dump-default-config'], { DSH_HOME: home })
+      expect(code).toBe(0)
+      expect(stderr).toBe('')
+      // Base rows composed with the TUI overlay's surface values, `!!js`
+      // expressions verbatim (unevaluated), and TUI-only inserted rows present.
+      expect(stdout).toContain("name: '@deepseek-ai/dsh-agent-loop'")
+      expect(stdout).toContain('model: deepseek-v4-pro')
+      expect(stdout).toContain('cwd: !!js process.cwd()')
+      expect(stdout).toContain("name: '@deepseek-ai/dsh-tui'")
+      // Provenance comment separators name each section's source file.
+      expect(stdout).toContain('# == base.cordis.yml')
+      expect(stdout).toContain('# == base.cordis.yml, patched by tui.cordis.yml')
+      expect(stdout).toContain('# == tui.cordis.yml')
+    }, 30_000)
+
+    it('layers the personal overlay in --dump-config and reports an unmatched patch on stderr', async () => {
+      writeFileSync(join(home, 'config.yaml'), [
+        '- id: agent-loop',
+        '  config:',
+        '    agents:',
+        '      - id: main',
+        '        provider: custom-provider',
+        '        model: custom-model',
+        '- id: only-on-web',
+        '  config:',
+        '    value: 1',
+        '',
+      ].join('\n'))
+      const { stdout, code, stderr } = await runBuiltBin(['--dump-config'], { DSH_HOME: home })
+      expect(code).toBe(0)
+      expect(stdout).toContain('provider: custom-provider')
+      expect(stdout).not.toContain('model: deepseek-v4-pro')
+      // The personal layer appears in the patched row's provenance and the
+      // skipped-patch warning carries its label.
+      expect(stdout).toContain(`patched by tui.cordis.yml, ${join(home, 'config.yaml')}`)
+      expect(stderr).toContain('patch: entry "only-on-web" not found')
+
+      // The shipped view ignores the personal overlay entirely.
+      const shipped = await runBuiltBin(['--dump-default-config'], { DSH_HOME: home })
+      expect(shipped.stdout).not.toContain('custom-provider')
+      expect(shipped.stdout).toContain('model: deepseek-v4-pro')
+    }, 30_000)
+
+    it('composes the web overlay for `dsh web --dump-config`', async () => {
+      const { stdout, code } = await runBuiltBin(['web', '--dump-config'], { DSH_HOME: home })
+      expect(code).toBe(0)
+      expect(stdout).toContain("name: '@deepseek-ai/dsh-host-webserver'")
+      expect(stdout).not.toContain("name: '@deepseek-ai/dsh-tui'")
+    }, 30_000)
+  })
 })
diff --git a/apps/cli/tests/fixtures/composition-echo-llm.ts b/apps/cli/tests/fixtures/composition-echo-llm.ts
new file mode 100644
index 0000000000..9b34754e10
--- /dev/null
+++ b/apps/cli/tests/fixtures/composition-echo-llm.ts
@@ -0,0 +1,51 @@
+import type { Context } from 'cordis'
+import type {
+  GenerateOptions,
+  LlmModelInfo,
+  LlmResolvedModelInfo,
+  StreamChunk,
+} from '@deepseek-ai/dsh-llm'
+import { LlmAdapter } from '@deepseek-ai/dsh-llm'
+
+/** Terminal marker the preset smoke waits for before it asks the TUI to exit. */
+export const COMPOSITION_REPLY_TEXT = 'Shipped composition acknowledged.'
+
+// Provider id and model the keyless tail routes `main` to; that overlay is the
+// only caller, so the pair lives here as plain constants.
+const COMPOSITION_PROVIDER = 'composition-keyless'
+const COMPOSITION_MODEL = 'composition-keyless-model'
+
+/**
+ * Network-free adapter for the shipped-composition smoke. It answers every
+ * request — tool-ful agent turns and the tool-less auxiliary calls alike — with
+ * one fixed text and never calls a tool, because the assertion under test is the
+ * assembled tool catalog the loop logs, not any tool's behavior.
+ */
+class CompositionEchoAdapter extends LlmAdapter {
+  override listModels(provider: string): Promise<readonly LlmModelInfo[]> {
+    return Promise.resolve([{ provider, id: COMPOSITION_MODEL, name: 'Preset Keyless' }])
+  }
+
+  override resolveModel(provider: string, model: string): Promise<LlmResolvedModelInfo> {
+    return Promise.resolve({ provider, id: model, name: 'Preset Keyless', context: { contextWindow: 128_000 } })
+  }
+
+  override async * stream(_options: GenerateOptions): AsyncIterable<StreamChunk> {
+    yield { type: 'block-start', index: 0, blockType: 'text' }
+    for (const char of COMPOSITION_REPLY_TEXT) yield { type: 'text-delta', index: 0, text: char }
+    yield { type: 'block-end', index: 0, block: { type: 'text', text: COMPOSITION_REPLY_TEXT } }
+    yield { type: 'usage', usage: { inputTokens: 20, outputTokens: COMPOSITION_REPLY_TEXT.length } }
+    yield { type: 'finish', reason: { kind: 'stop' } }
+  }
+}
+
+export const name = 'composition-echo-llm'
+export const inject = ['llm']
+
+/**
+ * Register the network-free adapter the shipped-composition smoke routes through.
+ * @param ctx - the loader-mounted plugin context.
+ */
+export function apply(ctx: Context): void {
+  ctx.llm.registerAdapter([COMPOSITION_PROVIDER], new CompositionEchoAdapter())
+}
diff --git a/apps/cli/tests/fixtures/composition-keyless-tail.cordis.yml b/apps/cli/tests/fixtures/composition-keyless-tail.cordis.yml
new file mode 100644
index 0000000000..443fed6be7
--- /dev/null
+++ b/apps/cli/tests/fixtures/composition-keyless-tail.cordis.yml
@@ -0,0 +1,52 @@
+# Keyless tail for the shipped-composition smoke, applied as `--config` so the
+# launcher boots `base.cordis.yml` + `tui.cordis.yml` and then this file.
+#
+# Everything below is test isolation, never composition under test: the model is
+# replaced so no request leaves the process, the settle marker gates the smoke's
+# first prompt, and the session artifacts move into the smoke's temporary
+# workspace so the log inspection can read them.
+
+# A patch's `name` is an assertion rather than a replacement, so the base
+# adapter row is disabled and the scripted one inserted. Relative specifiers
+# resolve against the INCLUDED file's directory (apps/cli/config), not this
+# file's, because the include moves baseUrl there.
+- id: llm-deepseek
+  disabled: true
+
+- insert:
+    - id: composition-echo-llm
+      name: '../tests/fixtures/composition-echo-llm.ts'
+    - id: composition-settled
+      name: '../tests/fixtures/composition-settled.ts'
+
+- id: agent-loop
+  config:
+    agents:
+      - id: main
+        provider: composition-keyless
+        model: composition-keyless-model
+        cwd: !!js process.cwd()
+
+- id: session-persistence-jsonl
+  config:
+    root: './.sessions'
+    compression: none
+
+- id: session-query-sqlite
+  config:
+    path: './.sessions/session-query.db'
+
+# The title call is a second, tool-less request that would race the log
+# inspection for no coverage: the catalog under test rides the agent turn.
+- id: session-title-llm
+  disabled: true
+
+- id: tui
+  config:
+    sessionId: !!js configuredAgentIdentities?.main?.id ?? 'main'
+    welcome: 'composition smoke ready.'
+    showReasoning: true
+
+# HMR watches the repository; a PTY subprocess test must not start a watcher.
+- id: hmr
+  disabled: true
diff --git a/apps/cli/tests/fixtures/composition-settled.ts b/apps/cli/tests/fixtures/composition-settled.ts
new file mode 100644
index 0000000000..0e3aff9c4e
--- /dev/null
+++ b/apps/cli/tests/fixtures/composition-settled.ts
@@ -0,0 +1,24 @@
+import type { Context } from 'cordis'
+
+/**
+ * Marker the shipped-composition smoke gates its first prompt on. The TUI renders as soon as
+ * its own fiber starts, so a prompt typed at the banner can reach the loop while
+ * later rows — tool plugins, persistence — are still activating, and would
+ * assemble a partial catalog. Waiting for this line makes the turn observe the
+ * settled tree.
+ */
+export const COMPOSITION_SETTLED_MARKER = 'COMPOSITION_TREE_SETTLED'
+
+export const name = 'composition-settled'
+
+/**
+ * Announce settled Loader activation on the terminal byte stream, after every
+ * entry in the booted tree has started. The write is detached: awaiting the
+ * Loader from inside an entry would wait on this entry's own activation.
+ * @param ctx - the loader-mounted plugin context.
+ */
+export function apply(ctx: Context): void {
+  void ctx.loader.await().then(() => {
+    process.stdout.write(`\n${COMPOSITION_SETTLED_MARKER}\n`)
+  })
+}
diff --git a/apps/cli/tests/fixtures/memory-mcp-base.cordis.yml b/apps/cli/tests/fixtures/memory-mcp-base.cordis.yml
new file mode 100644
index 0000000000..00878d6c98
--- /dev/null
+++ b/apps/cli/tests/fixtures/memory-mcp-base.cordis.yml
@@ -0,0 +1,8 @@
+# Minimal keyless composition for loading example MCP overlays against the
+# package-owned fixture server in memory-mcp-configs.spec.ts. Source builtins
+# keep this unit test independent of prebuilt workspace artifacts.
+- id: system-prompt
+  name: cordis:memory-test-system-prompt
+
+- id: tools
+  name: cordis:memory-test-tools
diff --git a/apps/cli/tests/lazy-search-startup.compat.spec.ts b/apps/cli/tests/lazy-search-startup.compat.spec.ts
new file mode 100644
index 0000000000..6e6d0b6e85
--- /dev/null
+++ b/apps/cli/tests/lazy-search-startup.compat.spec.ts
@@ -0,0 +1,112 @@
+/**
+ * Node 22 startup-output smoke for the shipped Web CLI composition.
+ *
+ * Only the dedicated Node compatibility gate opts this test in after building
+ * both artifacts; ordinary Vitest inventory deterministically skips it.
+ * The child runs built artifacts under plain Node with the real shipped
+ * config (base.cordis.yml + the web.cordis.yml overlay).
+ * Its URL line follows AppCLIEntry's settled boot; SIGTERM then exercises the
+ * shipped quiescent disposer.
+ */
+
+import { spawn } from 'node:child_process'
+import { existsSync } from 'node:fs'
+import { mkdtemp, readFile, rm } from 'node:fs/promises'
+import { tmpdir } from 'node:os'
+import { join, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import yaml from 'js-yaml'
+import { describe, expect, it } from 'vitest'
+
+const repoRoot = fileURLToPath(new URL('../../../', import.meta.url))
+const builtBin = join(repoRoot, 'apps/cli/lib/bin.js')
+const webDist = join(repoRoot, 'apps/web/dist/index.html')
+// The web overlay owns the session-query-sqlite lazy-open patch row.
+const configPath = join(repoRoot, 'apps/cli/config/web.cordis.yml')
+const requireBuiltArtifacts = process.env.DSH_REQUIRE_BUILT_CLI_SMOKE === '1'
+
+interface ConfigRow {
+  id?: string
+  config?: { openAt?: unknown }
+}
+
+const jsExprType = new yaml.Type('tag:yaml.org,2002:js', {
+  kind: 'scalar',
+  construct: value => String(value),
+})
+const configSchema = yaml.JSON_SCHEMA.extend(jsExprType)
+
+/** Boot the built Web CLI, wait for its settled URL, then dispose through SIGTERM. */
+function runBuiltWeb(cwd: string): Promise<{ stdout: string; stderr: string; code: number }> {
+  return new Promise((resolveRun, rejectRun) => {
+    const env: NodeJS.ProcessEnv = {
+      ...process.env,
+      DEEPSEEK_API_KEY: 'dsh-cli-smoke-dummy-key',
+      DSH_HOME: join(cwd, '.dsh'),
+    }
+    delete env.DEEPSEEK_BASE_URL
+    delete env.NODE_OPTIONS
+    delete env.NODE_NO_WARNINGS
+    const child = spawn(process.execPath, [
+      builtBin,
+      'web',
+      '--host',
+      '127.0.0.1',
+      '--port',
+      '0',
+    ], {
+      cwd,
+      env,
+      stdio: ['ignore', 'pipe', 'pipe'],
+    })
+    let stdout = ''
+    let stderr = ''
+    let settled = false
+    child.stdout.setEncoding('utf8')
+    child.stderr.setEncoding('utf8')
+    child.stdout.on('data', (chunk: string) => {
+      stdout += chunk
+      if (!settled && /dsh web: http:\/\/127\.0\.0\.1:\d+/u.test(stdout)) {
+        settled = true
+        child.kill('SIGTERM')
+      }
+    })
+    child.stderr.on('data', (chunk: string) => { stderr += chunk })
+    const timer = setTimeout(() => {
+      child.kill('SIGKILL')
+      rejectRun(new Error(`built Web CLI did not settle and dispose within 60s\nstdout:\n${stdout}\nstderr:\n${stderr}`))
+    }, 60_000)
+    child.on('error', (error) => {
+      clearTimeout(timer)
+      rejectRun(error)
+    })
+    child.on('close', (code) => {
+      clearTimeout(timer)
+      if (!settled) {
+        rejectRun(new Error(`built Web CLI exited before settled startup (code ${String(code)})\nstdout:\n${stdout}\nstderr:\n${stderr}`))
+        return
+      }
+      resolveRun({ stdout, stderr, code: code ?? -1 })
+    })
+  })
+}
+
+describe.skipIf(!requireBuiltArtifacts)('built CLI lazy-search startup', () => {
+  it('boots and disposes the shipped composition without a SQLite startup warning', async () => {
+    expect(existsSync(builtBin), `missing built CLI ${resolve(builtBin)}; run pnpm build`).toBe(true)
+    expect(existsSync(webDist), `missing Web dist ${resolve(webDist)}; run pnpm run build:web`).toBe(true)
+    const rows = yaml.load(await readFile(configPath, 'utf8'), { schema: configSchema }) as ConfigRow[]
+    const searchRow = rows.find(row => row.id === 'session-query-sqlite')
+    expect(searchRow?.config?.openAt).toBe('first-search')
+
+    const cwd = await mkdtemp(join(tmpdir(), 'dsh-cli-lazy-search-'))
+    try {
+      const result = await runBuiltWeb(cwd)
+      expect(result.stdout).toMatch(/dsh web: http:\/\/127\.0\.0\.1:\d+/u)
+      expect(result.code).toBe(0)
+      expect(result.stderr).not.toMatch(/ExperimentalWarning: SQLite/u)
+    } finally {
+      await rm(cwd, { recursive: true, force: true })
+    }
+  }, 70_000)
+})
diff --git a/apps/cli/tests/memory-mcp-configs.spec.ts b/apps/cli/tests/memory-mcp-configs.spec.ts
new file mode 100644
index 0000000000..7069b22738
--- /dev/null
+++ b/apps/cli/tests/memory-mcp-configs.spec.ts
@@ -0,0 +1,132 @@
+/**
+ * The third-party memory examples stay config-only. This suite parses every
+ * checked-in overlay, verifies its pin/transport/secret boundary, then replaces
+ * only the upstream endpoint with the package-owned keyless MCP fixture and
+ * proves the real Cordis Loader discovers a tool through the generic bridge.
+ */
+
+import { readFileSync } from 'node:fs'
+import { resolve } from 'node:path'
+import { afterEach, describe, expect, it } from 'vitest'
+import type { Context } from 'cordis'
+import type { PatchOptions } from '@cordisjs/plugin-include'
+import { boot, loadOverlayPatches } from '@deepseek-ai/dsh-app-boot'
+import SystemPrompt from '@deepseek-ai/dsh-system-prompt'
+import ToolRegistry from '@deepseek-ai/dsh-tools'
+import * as McpClient from '@deepseek-ai/dsh-mcp-client/src/index.ts'
+
+interface ExampleContract {
+  file: string
+  id: string
+  serverName: string
+  transport: 'stdio' | 'streamable-http'
+  pin: string
+}
+
+interface InsertedRow {
+  id?: string
+  name?: string
+  config?: Record<string, unknown>
+}
+
+const root = resolve(import.meta.dirname, '../../..')
+const exampleDir = resolve(root, 'examples/mcp-memory')
+const baseConfig = resolve(import.meta.dirname, 'fixtures/memory-mcp-base.cordis.yml')
+const fixtureServer = resolve(root, 'packages/mcp/mcp-client/tests/fixture-server.ts')
+
+const examples: ExampleContract[] = [
+  {
+    file: 'memorix.cordis.yml',
+    id: 'memory-memorix',
+    serverName: 'memorix',
+    transport: 'stdio',
+    pin: '1.3.0',
+  },
+  {
+    file: 'mcp-reference-memory.cordis.yml',
+    id: 'memory-mcp-reference',
+    serverName: 'reference_memory',
+    transport: 'stdio',
+    pin: '2026.7.4',
+  },
+  {
+    file: 'engram.cordis.yml',
+    id: 'memory-engram',
+    serverName: 'engram',
+    transport: 'stdio',
+    pin: '1.20.0',
+  },
+]
+
+const liveContexts = new Set<Context>()
+
+afterEach(async () => {
+  await Promise.all([...liveContexts].map(async ctx => ctx.fiber.dispose()))
+  liveContexts.clear()
+})
+
+function insertedRow(patches: PatchOptions[]): InsertedRow {
+  expect(patches).toHaveLength(1)
+  const insert = patches[0]?.insert
+  expect(insert).toHaveLength(1)
+  return insert?.[0] as InsertedRow
+}
+
+async function waitForTool(ctx: Context, name: string): Promise<void> {
+  const deadline = Date.now() + 10_000
+  while (!ctx.tools.schemas().some(schema => schema.name === name)) {
+    if (Date.now() >= deadline) throw new Error(`timed out waiting for ${name}`)
+    await new Promise(resolveWait => setTimeout(resolveWait, 25))
+  }
+}
+
+describe('third-party memory MCP example overlays', () => {
+  it.each(examples)('parses $file with the documented generic boundary', (contract) => {
+    const file = resolve(exampleDir, contract.file)
+    const source = readFileSync(file, 'utf8')
+    const row = insertedRow(loadOverlayPatches('memory-mcp-config-test', file))
+
+    expect(row.id).toBe(contract.id)
+    expect(row.name).toBe('@deepseek-ai/dsh-mcp-client')
+    expect(row.config?.serverName).toBe(contract.serverName)
+    expect(row.config?.transport).toBe(contract.transport)
+    expect(source.split('\n', 1)[0]).toContain(contract.pin)
+    expect(source).not.toMatch(/\bsk-[A-Za-z0-9_-]{8,}\b/)
+    expect(source).not.toContain('DEEPSEEK_API_KEY')
+  })
+
+  it.each(examples)('loads $file and discovers a keyless fixture tool', async (contract) => {
+    const patches = loadOverlayPatches(
+      'memory-mcp-config-test',
+      resolve(exampleDir, contract.file),
+    )
+    // The static config gate verifies the checked-in bare package specifier.
+    // The unit test maps it to the source module so a clean checkout needs no
+    // prebuilt `lib/` artifacts before proving the Loader/MCP behavior.
+    insertedRow(patches).name = 'cordis:memory-test-mcp-client'
+    const fixturePatch: PatchOptions = {
+      id: contract.id,
+      config: {
+        serverName: contract.serverName,
+        transport: 'stdio',
+        command: process.execPath,
+        args: [fixtureServer],
+        env: {},
+        cwd: root,
+        toolCallTimeoutMs: 5_000,
+      },
+    }
+    const ctx = await boot(
+      'memory-mcp-config-test',
+      baseConfig,
+      [...patches, fixturePatch],
+      (ctx) => {
+        liveContexts.add(ctx)
+        ctx.loader.builtins['memory-test-system-prompt'] = SystemPrompt
+        ctx.loader.builtins['memory-test-tools'] = ToolRegistry
+        ctx.loader.builtins['memory-test-mcp-client'] = McpClient
+      },
+    )
+    await waitForTool(ctx, `mcp__${contract.serverName}__greet`)
+  }, 15_000)
+})
diff --git a/apps/cli/tests/pty-harness.ts b/apps/cli/tests/pty-harness.ts
index a6c33160fa..07361cf654 100644
--- a/apps/cli/tests/pty-harness.ts
+++ b/apps/cli/tests/pty-harness.ts
@@ -6,11 +6,11 @@ import { execa } from 'execa'
 import { resolveExampleLaunch, type ExampleLaunch } from '@deepseek-ai/dsh-loader-smoke'
 
 const POSIX_PTY_DRIVER = String.raw`
-import errno, json, os, pty, select, signal, sys, time
-node, launch_args_json, launch_env_json, cwd, actions_json, expected_exit, timeout_seconds = sys.argv[1:]
+import errno, fcntl, json, os, pty, select, signal, struct, sys, termios, time
+node, launch_args_json, launch_env_json, cwd, actions_json, expected_exit, timeout_seconds, columns, rows = sys.argv[1:]
 env = os.environ.copy()
 env.update(json.loads(launch_env_json))
-env.update({"COLUMNS": "100", "LINES": "30"})
+env.update({"COLUMNS": columns, "LINES": rows})
 # Deterministic banner: a developer shell's COLORTERM=truecolor would switch the
 # banner to the per-letter gradient (one SGR per letter), breaking literal
 # DEEPSEEK assertions. The gradient path has its own unit and snapshot coverage.
@@ -20,6 +20,7 @@ pid, fd = pty.fork()
 if pid == 0:
     os.chdir(cwd)
     os.execvpe(node, [node, *json.loads(launch_args_json)], env)
+fcntl.ioctl(fd, termios.TIOCSWINSZ, struct.pack("HHHH", int(rows), int(columns), 0, 0))
 
 output = bytearray()
 action_index = 0
@@ -36,9 +37,14 @@ while time.monotonic() < deadline:
             chunk = b""
         if chunk:
             output.extend(chunk)
-    while action_index < len(actions) and actions[action_index]["waitFor"].encode() in output:
+    while action_index < len(actions):
+        marker = actions[action_index]["waitFor"].encode()
+        if output.count(marker) < actions[action_index].get("occurrence", 1):
+            break
         action = actions[action_index]
-        if "writeFile" in action:
+        if "signal" in action:
+            os.kill(pid, getattr(signal, action["signal"]))
+        elif "writeFile" in action:
             target = os.path.join(cwd, action["writeFile"]["path"])
             os.makedirs(os.path.dirname(target), exist_ok=True)
             with open(target, "w", encoding="utf-8") as handle:
@@ -68,9 +74,15 @@ if actual_exit != int(expected_exit):
 
 /** One terminal input or workspace mutation performed after its marker renders. */
 type TuiPtyAction =
-  | { readonly waitFor: string; readonly send: string }
   | {
     readonly waitFor: string
+    readonly occurrence?: number
+    readonly send: string
+  }
+  | { readonly waitFor: string; readonly occurrence?: number; readonly signal: 'SIGTERM' }
+  | {
+    readonly waitFor: string
+    readonly occurrence?: number
     readonly writeFile: { readonly path: string; readonly content: string }
     readonly send?: string
   }
@@ -89,6 +101,12 @@ export interface TuiPtySmokeOptions {
   readonly env?: Readonly<NodeJS.ProcessEnv>
   readonly expectedExitCode?: number
   readonly timeoutMs?: number
+  /** Existing isolated workspace to reuse; when omitted the harness creates and removes one. */
+  readonly cwd?: string
+  /** Pseudo-terminal columns; defaults to 100. */
+  readonly columns?: number
+  /** Pseudo-terminal rows; defaults to 30. */
+  readonly rows?: number
   /** Seed the isolated workspace (`cwd`, with `$DSH_HOME` at `.dsh` and the agents home at `.agents`) before launch. */
   readonly prepare?: (cwd: string) => Promise<void>
   /** Inspect the workspace after a passing run, before the temp dir is removed. */
@@ -119,6 +137,8 @@ async function runPosixPtySmoke(
     JSON.stringify(options.actions ?? []),
     String(options.expectedExitCode ?? 0),
     String(timeoutMs / 1_000),
+    String(options.columns ?? 100),
+    String(options.rows ?? 30),
   ], {
     stdin: 'ignore',
     timeout: timeoutMs + 5_000,
@@ -150,8 +170,8 @@ async function runWindowsPtySmoke(
     let timedOut = false
     const terminal = pty.spawn(launch.command, launch.args, {
       name: 'xterm-256color',
-      cols: 100,
-      rows: 30,
+      cols: options.columns ?? 100,
+      rows: options.rows ?? 30,
       cwd,
       env: definedEnv({
         ...process.env,
@@ -159,8 +179,8 @@ async function runWindowsPtySmoke(
         // Match the POSIX driver: no COLORTERM, so the banner never takes the
         // truecolor gradient path under a developer's shell.
         COLORTERM: undefined,
-        COLUMNS: '100',
-        LINES: '30',
+        COLUMNS: String(options.columns ?? 100),
+        LINES: String(options.rows ?? 30),
       }),
     })
     const timer = setTimeout(() => {
@@ -169,9 +189,14 @@ async function runWindowsPtySmoke(
     }, timeoutMs)
     terminal.onData((chunk) => {
       output += chunk
-      while (actionIndex < actions.length && output.includes(actions[actionIndex]!.waitFor)) {
+      while (
+        actionIndex < actions.length
+        && output.split(actions[actionIndex]!.waitFor).length - 1 >= (actions[actionIndex]!.occurrence ?? 1)
+      ) {
         const action = actions[actionIndex]!
-        if ('writeFile' in action) {
+        if ('signal' in action) {
+          terminal.kill(action.signal)
+        } else if ('writeFile' in action) {
           const target = join(cwd, action.writeFile.path)
           mkdirSync(dirname(target), { recursive: true })
           writeFileSync(target, action.writeFile.content)
@@ -205,7 +230,8 @@ async function runWindowsPtySmoke(
  * @returns complete pseudo-terminal output.
  */
 export async function runTuiPtySmoke(options: TuiPtySmokeOptions): Promise<string> {
-  const cwd = await mkdtemp(join(tmpdir(), options.tempDirPrefix))
+  const ownedCwd = options.cwd === undefined
+  const cwd = options.cwd ?? await mkdtemp(join(tmpdir(), options.tempDirPrefix))
   const timeoutMs = options.timeoutMs ?? 25_000
   try {
     await options.prepare?.(cwd)
@@ -231,6 +257,6 @@ export async function runTuiPtySmoke(options: TuiPtySmokeOptions): Promise<strin
     await options.inspect?.(cwd)
     return output
   } finally {
-    await rm(cwd, { recursive: true, force: true })
+    if (ownedCwd) await rm(cwd, { recursive: true, force: true })
   }
 }
diff --git a/apps/cli/tests/shipped-composition.e2e.ts b/apps/cli/tests/shipped-composition.e2e.ts
new file mode 100644
index 0000000000..ac1e9d5456
--- /dev/null
+++ b/apps/cli/tests/shipped-composition.e2e.ts
@@ -0,0 +1,126 @@
+import { readdir, readFile } from 'node:fs/promises'
+import { fileURLToPath } from 'node:url'
+import { join } from 'node:path'
+import { describe, expect, it } from 'vitest'
+import { LOADER_SMOKE_TEST_TIMEOUT_MS } from '@deepseek-ai/dsh-loader-smoke'
+import type { SessionEvent } from '@deepseek-ai/dsh-session'
+import { COMPOSITION_REPLY_TEXT } from './fixtures/composition-echo-llm.ts'
+import { COMPOSITION_SETTLED_MARKER } from './fixtures/composition-settled.ts'
+import { runTuiPtySmoke } from './pty-harness.ts'
+import { acknowledgeTuiFirstRunWelcome } from '../src/tui-onboarding/tui-first-run-welcome.ts'
+
+const dshBinScript = fileURLToPath(new URL('../src/bin.ts', import.meta.url))
+const tsconfigPath = fileURLToPath(new URL('../../../tsconfig.json', import.meta.url))
+// An overlay over the shipped tree, so the catalog under test is the one
+// `base.cordis.yml` + `tui.cordis.yml` assemble; the tail only swaps the model
+// and redirects session artifacts.
+const keylessTail = fileURLToPath(new URL('./fixtures/composition-keyless-tail.cordis.yml', import.meta.url))
+
+/**
+ * The catalog the shipped `dsh` TUI puts in front of the model, as the loop
+ * logged it, minus the ripgrep-dependent pair below.
+ * The absences are the composition's security decisions, not incidental gaps:
+ * the `cordis_*` toolset executes model-written JavaScript that no sandbox row
+ * confines, `web_fetch` chooses its own request target, and `mcp_*` servers
+ * spawn outside `ctx.bash`. The composition Agent Note owns the rationale and
+ * its sources.
+ */
+const EXPECTED_TUI_TOOLS = [
+  'ask_user_question',
+  'bash',
+  'create_goal',
+  'edit',
+  'exit_plan_mode',
+  'get_goal',
+  'ralph',
+  'read',
+  'session_event_read',
+  'session_event_search',
+  'session_event_trace',
+  'session_search',
+  'session_trace',
+  'skill',
+  'str_replace_editor',
+  'subagent',
+  'subagent_fork',
+  'task_kill',
+  'task_list',
+  'task_output',
+  'todo_write',
+  'update_goal',
+  'web_search',
+  'workflow',
+  'write',
+]
+
+/**
+ * `glob` and `grep` come from `dsh-tool-fs-search`, which probes `command -v rg`
+ * through the mounted bash executor at load and registers neither tool when
+ * ripgrep is absent. That is a host dependency, not a composition decision, so the
+ * pair is asserted separately — present together or absent together.
+ */
+const RIPGREP_TOOLS = ['glob', 'grep']
+
+/** The assembled request header the smoke asserts on. */
+interface LoggedHeader {
+  /** Assembled tool names, sorted. */
+  names: string[]
+  /** `bash`'s assembled parameter properties; the escalation pair is present only under a confining executor. */
+  bashArguments: Record<string, unknown>
+}
+
+/**
+ * Read the request header the loop assembled for its first request from the
+ * session log the smoke's workspace persisted — the model-visible composition
+ * itself, not a registry projection taken beside it.
+ * @param cwd - the smoke's temporary workspace.
+ * @returns the assembled catalog, system prompt, and `bash` argument shape.
+ */
+async function loggedHeader(cwd: string): Promise<LoggedHeader> {
+  const sessionsDir = join(cwd, '.sessions')
+  const entries = await readdir(sessionsDir, { recursive: true })
+  // A single keyless run writes one session log.
+  const logRelPath = entries.find(name => name.endsWith('.jsonl'))
+  if (logRelPath === undefined) throw new Error(`no session log written under ${sessionsDir}`)
+  const lines = (await readFile(join(sessionsDir, logRelPath), 'utf8')).split('\n').filter(Boolean)
+  for (const line of lines) {
+    const event = JSON.parse(line) as SessionEvent
+    if (event.type !== 'request/header') continue
+    const tools = event.data.header.tools ?? []
+    const bash = tools.find(schema => schema.name === 'bash')
+    return {
+      names: tools.map(schema => schema.name).sort(),
+      bashArguments: (bash?.parameters as { properties?: Record<string, unknown> } | undefined)?.properties ?? {},
+    }
+  }
+  throw new Error(`session log ${logRelPath} has no request/header event`)
+}
+
+describe('shipped dsh composition (real Loader tree in a PTY)', () => {
+  it('assembles exactly the shipped TUI catalog', async () => {
+    let observed: LoggedHeader | undefined
+    const output = await runTuiPtySmoke({
+      label: 'dsh shipped composition',
+      tempDirPrefix: 'dsh-shipped-tui-',
+      binScript: dshBinScript,
+      tsconfigPath,
+      configPath: keylessTail,
+      env: { DEEPSEEK_API_KEY: 'keyless-composition-no-call', DSH_TELEMETRY_DISABLED: '1' },
+      prepare: cwd => acknowledgeTuiFirstRunWelcome(join(cwd, '.dsh')),
+      // Artifact CI builds and smokes concurrently on a contended runner.
+      ...(process.env.DSH_EXAMPLE_MODE === 'lib' ? { timeoutMs: 60_000 } : {}),
+      actions: [
+        { waitFor: COMPOSITION_SETTLED_MARKER, send: 'Describe the shipped composition.\r' },
+        { waitFor: COMPOSITION_REPLY_TEXT, send: '/exit\r' },
+      ],
+      inspect: async (cwd) => { observed = await loggedHeader(cwd) },
+    })
+    expect(output).toContain(COMPOSITION_REPLY_TEXT)
+    expect(observed?.names.filter(name => !RIPGREP_TOOLS.includes(name))).toEqual(EXPECTED_TUI_TOOLS)
+    expect([[], RIPGREP_TOOLS]).toContainEqual(observed?.names.filter(name => RIPGREP_TOOLS.includes(name)))
+    // The TUI mounts the unrestricted local executors, so `tool-bash` emits no
+    // escalation pair. Pinning its absence keeps a later sandbox change from
+    // arriving here unannounced.
+    expect(Object.keys(observed?.bashArguments ?? {})).not.toContain('sandbox_permissions')
+  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+})
diff --git a/apps/cli/tests/snapshots/queued-manual-compact/terminal.expected.txt b/apps/cli/tests/snapshots/queued-manual-compact/terminal.expected.txt
new file mode 100644
index 0000000000..0df46a7018
--- /dev/null
+++ b/apps/cli/tests/snapshots/queued-manual-compact/terminal.expected.txt
@@ -0,0 +1,128 @@
+terminal 100x36 buffer=normal length=66 base=30 viewport=30
+lifecycle started=1 stopped=0 progress=inactive
+title "Reply with exactly the word: — DSH TUI snapshot"
+cursor hidden column=7 viewportRow=35 bufferRow=65
+buffer
+0| " DEEPSEEK HARNESS"
+  style 1-8 fg=bright-magenta bold
+  style 10-16 bold
+1| " Reply with exactly the word:"
+  style 1-28 dim
+2| " main-session"
+  style 1-12 dim
+3| <blank>
+4| "Context · snapshot-seed"
+  style 0-22 dim
+5| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+6| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+7| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+8| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+9| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+10| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+11| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+12| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+13| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+14| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+15| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+16| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+17| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+18| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-99 dim
+19| "Older snapshot context. Older snapshot context. Older snapshot context. Older snapshot context.     "
+  style 0-94 dim
+20| <blank>
+21| "You                                                                                                 "
+  style 0-2 fg=bright-magenta bold underline
+22| "Reply with exactly the word: ONE. No tools.                                                         "
+23| <blank>
+24| "Assistant                                                                                           "
+  style 0-8 fg=bright-magenta bold underline
+25| "Reasoning                                                                                           "
+  style 0-8 dim italic
+26| "The user wants me to reply with exactly the word \"ONE\" and use no tools.                            "
+  style 0-71 dim italic
+27| "ONE                                                                                                 "
+28| "Model wait 0.0s · Completed 2026-07-21 12:00:00                                                     "
+  style 0-46 dim
+29| <blank>
+30| "Keyboard shortcuts                                                                                  "
+  style 0-17 fg=bright-magenta bold
+31| "Enter send • Shift/Alt+Enter newline • Up/Down prompt history                                       "
+  style 0-60 dim
+32| "Esc cancel turn • Ctrl+O cycle cards (collapse/expand/hide) • Ctrl+R toggle reasoning • Ctrl+L      "
+  style 0-99 dim
+33| "redraw                                                                                              "
+  style 0-5 dim
+34| "Ctrl+C cancel while running; clear input or exit while idle • Ctrl+D exit                           "
+  style 0-72 dim
+35| "                                                                                                    "
+36| "/clear — Clear the transcript view (session history is unchanged)                                   "
+  style 0-64 dim
+37| "/compact — Compact older conversation history                                                       "
+  style 0-44 dim
+38| "/exit — Exit after the active turn reaches idle                                                     "
+  style 0-46 dim
+39| "/help — Show keyboard shortcuts and commands                                                        "
+  style 0-43 dim
+40| "/model [[provider/]model] — Show or switch this session's model                                     "
+  style 0-62 dim
+41| "/palette — Show every color and attribute role this terminal renders                                "
+  style 0-67 dim
+42| "/quit — Exit after the active turn reaches idle                                                     "
+  style 0-46 dim
+43| "/reload — EXPERIMENTAL (dev): re-read loader config files and apply the diff (idle only)            "
+  style 0-87 dim
+44| "/resume — List this workspace's resumable sessions                                                  "
+  style 0-49 dim
+45| "/status — Show session diagnostics, system prompt, and registered tools                             "
+  style 0-70 dim
+46| "/skill:<name> [instructions] — load a skill into the conversation                                   "
+  style 0-64 dim
+47| <blank>
+48| "Context · snapshot-injector"
+  style 0-26 dim
+49| "Injected while compaction was running.                                                              "
+  style 0-37 dim
+50| <blank>
+51| "… earlier context was compacted …                                                                   "
+  style 0-32 dim
+52| <blank>
+53| "You                                                                                                 "
+  style 0-2 fg=bright-magenta bold underline
+54| "Reply with exactly the word: TWO. No tools.                                                         "
+55| <blank>
+56| "Compacted 2 history items (~387 tokens).                                                            "
+  style 0-39 dim
+57| <blank>
+58| "Assistant                                                                                           "
+  style 0-8 fg=bright-magenta bold underline
+59| "Reasoning                                                                                           "
+  style 0-8 dim italic
+60| "The user wants me to reply with exactly the word \"TWO\" and no tools.                                "
+  style 0-67 dim italic
+61| "TWO                                                                                                 "
+62| "Model wait 0.0s · Completed 2026-07-21 12:00:00                                                     "
+  style 0-46 dim
+63| <blank>
+64| "/workspace/project  deepseek-v4-flash  ↑2.9k ↓41  cache 49%  3% cont"
+  style 0-49 fg=bright-magenta bold
+  style 52-68 dim
+  style 71-90 dim
+  style 93-99 dim
+65| " dsh ◍                                                                                              "
+  style 1-3 fg=bright-magenta bold
+  style 5-6 dim
+  style 7-7 inverse
diff --git a/apps/cli/tests/tui-first-run-snapshots/120-columns.expected.txt b/apps/cli/tests/tui-first-run-snapshots/120-columns.expected.txt
new file mode 100644
index 0000000000..9a5051ceb3
--- /dev/null
+++ b/apps/cli/tests/tui-first-run-snapshots/120-columns.expected.txt
@@ -0,0 +1,76 @@
+overlay 120x30 rows=20
+0| "╭──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮"
+  style 0-119 dim
+1| "│                                    ▄                                     DeepSeek Harness                            │"
+  style 0-0 dim
+  style 10-37 fg=blue
+  style 75-90 fg=blue bold
+  style 119-119 dim
+2| "│               ▄▄▄▄▄▄▄▄▄▄███▀      ██▄                                                                                │"
+  style 0-0 dim
+  style 9-38 fg=blue
+  style 119-119 dim
+3| "│       ▄███████████████▄      ████▄  ▄▄▄▄██     感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部测试阶段，功能 │"
+  style 0-0 dim
+  style 4-43 fg=blue
+  style 119-119 dim
+4| "│     ▄███████████████████▄    ████████████▀     仍待完善，体验难免有些粗糙。                                          │"
+  style 0-0 dim
+  style 4-43 fg=blue
+  style 119-119 dim
+5| "│    ▄██████████████████████▄   ▀█████████▀                                                                            │"
+  style 0-0 dim
+  style 4-42 fg=blue
+  style 119-119 dim
+6| "│     ▄███▀█████████████████████▄   ████▀▀       “如切如磋，如琢如磨。”                                                │"
+  style 0-0 dim
+  style 6-41 fg=blue
+  style 49-70 bold
+  style 119-119 dim
+7| "│      ███       ▀▀█████████▀▀▀█████████▀                                                                              │"
+  style 0-0 dim
+  style 7-40 fg=blue
+  style 119-119 dim
+8| "│      ███          ▀███████▀█  ▀███████         产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实使用中发现的  │"
+  style 0-0 dim
+  style 7-39 fg=blue
+  style 119-119 dim
+9| "│      ███▄           ▀███████▄  ▀█████▀         问题，也可能促使我们重新审视，甚至推翻已有的设计。                    │"
+  style 0-0 dim
+  style 7-39 fg=blue
+  style 119-119 dim
+10| "│       ▀███             ▀██████████████                                                                               │"
+  style 0-0 dim
+  style 8-39 fg=blue
+  style 119-119 dim
+11| "│        ▀███▄            ▀███████████▀          为了帮助我们更准确地还原您真实使用中的问题，内测版本默认会上传所有    │"
+  style 0-0 dim
+  style 8-38 fg=blue
+  style 119-119 dim
+12| "│          ▀███▄      ▄▄▄    ▀████████▀          Session Log；如需关闭，请设置环境变量 DSH_TELEMETRY_DISABLED=1。另外  │"
+  style 0-0 dim
+  style 9-38 fg=blue
+  style 119-119 dim
+13| "│            █████▄    ███▄▄   ▀█████▄▄          ，如果您有任何反馈与建议，请在企业微信群中留言告诉我们。每一条反馈，  │"
+  style 0-0 dim
+  style 9-38 fg=blue
+  style 119-119 dim
+14| "│             ▀█████████████▄▄▄▄█▀█████▀         都会帮助我们把它打磨得更好。                                          │"
+  style 0-0 dim
+  style 8-39 fg=blue
+  style 119-119 dim
+15| "│                   ▀▀███████████▀▀                                                                                    │"
+  style 0-0 dim
+  style 12-34 fg=blue
+  style 119-119 dim
+16| "├──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┤"
+  style 0-119 dim
+17| "│                                                     Enter  继续                                                      │"
+  style 0-0 dim
+  style 54-64 fg=bright-magenta bold
+  style 119-119 dim
+18| "│                                                                                                                      │"
+  style 0-0 dim
+  style 119-119 dim
+19| "╰──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯"
+  style 0-119 dim
diff --git a/apps/cli/tests/tui-first-run-snapshots/160-columns.expected.txt b/apps/cli/tests/tui-first-run-snapshots/160-columns.expected.txt
new file mode 100644
index 0000000000..a374d14da8
--- /dev/null
+++ b/apps/cli/tests/tui-first-run-snapshots/160-columns.expected.txt
@@ -0,0 +1,76 @@
+overlay 160x30 rows=20
+0| "╭──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮"
+  style 0-159 dim
+1| "│                                    ▄                                                         DeepSeek Harness                                                │"
+  style 0-0 dim
+  style 10-37 fg=blue
+  style 95-110 fg=blue bold
+  style 159-159 dim
+2| "│               ▄▄▄▄▄▄▄▄▄▄███▀      ██▄                                                                                                                        │"
+  style 0-0 dim
+  style 9-38 fg=blue
+  style 159-159 dim
+3| "│       ▄███████████████▄      ████▄  ▄▄▄▄██     感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部测试阶段，功能仍待完善，体验难免有些粗糙。             │"
+  style 0-0 dim
+  style 4-43 fg=blue
+  style 159-159 dim
+4| "│     ▄███████████████████▄    ████████████▀                                                                                                                   │"
+  style 0-0 dim
+  style 4-43 fg=blue
+  style 159-159 dim
+5| "│    ▄██████████████████████▄   ▀█████████▀      “如切如磋，如琢如磨。”                                                                                        │"
+  style 0-0 dim
+  style 4-42 fg=blue
+  style 49-70 bold
+  style 159-159 dim
+6| "│     ▄███▀█████████████████████▄   ████▀▀                                                                                                                     │"
+  style 0-0 dim
+  style 6-41 fg=blue
+  style 159-159 dim
+7| "│      ███       ▀▀█████████▀▀▀█████████▀        产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实使用中发现的问题，也可能促使我们重新审视，甚至推翻已  │"
+  style 0-0 dim
+  style 7-40 fg=blue
+  style 159-159 dim
+8| "│      ███          ▀███████▀█  ▀███████         有的设计。                                                                                                    │"
+  style 0-0 dim
+  style 7-39 fg=blue
+  style 159-159 dim
+9| "│      ███▄           ▀███████▄  ▀█████▀                                                                                                                       │"
+  style 0-0 dim
+  style 7-39 fg=blue
+  style 159-159 dim
+10| "│       ▀███             ▀██████████████         为了帮助我们更准确地还原您真实使用中的问题，内测版本默认会上传所有 Session Log；如需关闭，请设置环境变量      │"
+  style 0-0 dim
+  style 8-39 fg=blue
+  style 159-159 dim
+11| "│        ▀███▄            ▀███████████▀          DSH_TELEMETRY_DISABLED=1。另外，如果您有任何反馈与建议，请在企业微信群中留言告诉我们。每一条反馈，都会帮助我  │"
+  style 0-0 dim
+  style 8-38 fg=blue
+  style 159-159 dim
+12| "│          ▀███▄      ▄▄▄    ▀████████▀          们把它打磨得更好。                                                                                            │"
+  style 0-0 dim
+  style 9-38 fg=blue
+  style 159-159 dim
+13| "│            █████▄    ███▄▄   ▀█████▄▄                                                                                                                        │"
+  style 0-0 dim
+  style 9-38 fg=blue
+  style 159-159 dim
+14| "│             ▀█████████████▄▄▄▄█▀█████▀                                                                                                                       │"
+  style 0-0 dim
+  style 8-39 fg=blue
+  style 159-159 dim
+15| "│                   ▀▀███████████▀▀                                                                                                                            │"
+  style 0-0 dim
+  style 12-34 fg=blue
+  style 159-159 dim
+16| "├──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┤"
+  style 0-159 dim
+17| "│                                                                         Enter  继续                                                                          │"
+  style 0-0 dim
+  style 74-84 fg=bright-magenta bold
+  style 159-159 dim
+18| "│                                                                                                                                                              │"
+  style 0-0 dim
+  style 159-159 dim
+19| "╰──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯"
+  style 0-159 dim
diff --git a/apps/cli/tests/tui-first-run-snapshots/60-columns-low-height.expected.txt b/apps/cli/tests/tui-first-run-snapshots/60-columns-low-height.expected.txt
new file mode 100644
index 0000000000..bdf8a46a6f
--- /dev/null
+++ b/apps/cli/tests/tui-first-run-snapshots/60-columns-low-height.expected.txt
@@ -0,0 +1,31 @@
+overlay 60x12 rows=10
+0| "╭──────────────────────────────────────────────────────────╮"
+  style 0-59 dim
+1| "│                     DeepSeek Harness                     │"
+  style 0-0 dim
+  style 22-37 fg=blue bold
+  style 59-59 dim
+2| "│                                                          │"
+  style 0-0 dim
+  style 59-59 dim
+3| "│ 感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部  │"
+  style 0-0 dim
+  style 59-59 dim
+4| "│ 测试阶段，功能仍待完善，体验难免有些粗糙。               │"
+  style 0-0 dim
+  style 59-59 dim
+5| "│                                                          │"
+  style 0-0 dim
+  style 59-59 dim
+6| "├──────────────────────────────────────────────────────────┤"
+  style 0-59 dim
+7| "│                       Enter  继续                        │"
+  style 0-0 dim
+  style 24-34 fg=bright-magenta bold
+  style 59-59 dim
+8| "│                         ↑/↓ 滚动 ↓                       │"
+  style 0-0 dim
+  style 24-35 dim
+  style 59-59 dim
+9| "╰──────────────────────────────────────────────────────────╯"
+  style 0-59 dim
diff --git a/apps/cli/tests/tui-first-run-snapshots/60-columns.expected.txt b/apps/cli/tests/tui-first-run-snapshots/60-columns.expected.txt
new file mode 100644
index 0000000000..ae53f4bfda
--- /dev/null
+++ b/apps/cli/tests/tui-first-run-snapshots/60-columns.expected.txt
@@ -0,0 +1,64 @@
+overlay 60x30 rows=21
+0| "╭──────────────────────────────────────────────────────────╮"
+  style 0-59 dim
+1| "│                     DeepSeek Harness                     │"
+  style 0-0 dim
+  style 22-37 fg=blue bold
+  style 59-59 dim
+2| "│                                                          │"
+  style 0-0 dim
+  style 59-59 dim
+3| "│ 感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部  │"
+  style 0-0 dim
+  style 59-59 dim
+4| "│ 测试阶段，功能仍待完善，体验难免有些粗糙。               │"
+  style 0-0 dim
+  style 59-59 dim
+5| "│                                                          │"
+  style 0-0 dim
+  style 59-59 dim
+6| "│ “如切如磋，如琢如磨。”                                   │"
+  style 0-0 dim
+  style 2-23 bold
+  style 59-59 dim
+7| "│                                                          │"
+  style 0-0 dim
+  style 59-59 dim
+8| "│ 产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实 │"
+  style 0-0 dim
+  style 59-59 dim
+9| "│ 使用中发现的问题，也可能促使我们重新审视，甚至推翻已有的 │"
+  style 0-0 dim
+  style 59-59 dim
+10| "│ 设计。                                                   │"
+  style 0-0 dim
+  style 59-59 dim
+11| "│                                                          │"
+  style 0-0 dim
+  style 59-59 dim
+12| "│ 为了帮助我们更准确地还原您真实使用中的问题，内测版本默认 │"
+  style 0-0 dim
+  style 59-59 dim
+13| "│ 会上传所有 Session Log；如需关闭，请设置环境变量         │"
+  style 0-0 dim
+  style 59-59 dim
+14| "│ DSH_TELEMETRY_DISABLED=1。另外，如果您有任何反馈与建议， │"
+  style 0-0 dim
+  style 59-59 dim
+15| "│ 请在企业微信群中留言告诉我们。每一条反馈，都会帮助我们把 │"
+  style 0-0 dim
+  style 59-59 dim
+16| "│ 它打磨得更好。                                           │"
+  style 0-0 dim
+  style 59-59 dim
+17| "├──────────────────────────────────────────────────────────┤"
+  style 0-59 dim
+18| "│                       Enter  继续                        │"
+  style 0-0 dim
+  style 24-34 fg=bright-magenta bold
+  style 59-59 dim
+19| "│                                                          │"
+  style 0-0 dim
+  style 59-59 dim
+20| "╰──────────────────────────────────────────────────────────╯"
+  style 0-59 dim
diff --git a/apps/cli/tests/tui-first-run-snapshots/80-columns.expected.txt b/apps/cli/tests/tui-first-run-snapshots/80-columns.expected.txt
new file mode 100644
index 0000000000..c3a8b5d496
--- /dev/null
+++ b/apps/cli/tests/tui-first-run-snapshots/80-columns.expected.txt
@@ -0,0 +1,89 @@
+overlay 80x30 rows=27
+0| "╭──────────────────────────────────────────────────────────────────────────────╮"
+  style 0-79 dim
+1| "│                                   ▄▄▄▄▄▄   ▄▄                                │"
+  style 0-0 dim
+  style 33-46 fg=blue
+  style 79-79 dim
+2| "│                               ▄████████▄ ▀████▀                              │"
+  style 0-0 dim
+  style 31-48 fg=blue
+  style 79-79 dim
+3| "│                               █▀▀▀▀███████▄██▀                               │"
+  style 0-0 dim
+  style 32-47 fg=blue
+  style 79-79 dim
+4| "│                               █▄    ▀███ ▀███                                │"
+  style 0-0 dim
+  style 32-46 fg=blue
+  style 79-79 dim
+5| "│                                ▀█▄     ▀█████                                │"
+  style 0-0 dim
+  style 33-46 fg=blue
+  style 79-79 dim
+6| "│                                 ▀█▄▄ █▄▄▀███▄                                │"
+  style 0-0 dim
+  style 33-46 fg=blue
+  style 79-79 dim
+7| "│                                      ▀▀▀▀▀▀                                  │"
+  style 0-0 dim
+  style 35-44 fg=blue
+  style 79-79 dim
+8| "│                                                                              │"
+  style 0-0 dim
+  style 79-79 dim
+9| "│                               DeepSeek Harness                               │"
+  style 0-0 dim
+  style 32-47 fg=blue bold
+  style 79-79 dim
+10| "│                                                                              │"
+  style 0-0 dim
+  style 79-79 dim
+11| "│ 感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部测试阶段，功能仍待完  │"
+  style 0-0 dim
+  style 79-79 dim
+12| "│ 善，体验难免有些粗糙。                                                       │"
+  style 0-0 dim
+  style 79-79 dim
+13| "│                                                                              │"
+  style 0-0 dim
+  style 79-79 dim
+14| "│ “如切如磋，如琢如磨。”                                                       │"
+  style 0-0 dim
+  style 2-23 bold
+  style 79-79 dim
+15| "│                                                                              │"
+  style 0-0 dim
+  style 79-79 dim
+16| "│ 产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实使用中发现的问题，也 │"
+  style 0-0 dim
+  style 79-79 dim
+17| "│ 可能促使我们重新审视，甚至推翻已有的设计。                                   │"
+  style 0-0 dim
+  style 79-79 dim
+18| "│                                                                              │"
+  style 0-0 dim
+  style 79-79 dim
+19| "│ 为了帮助我们更准确地还原您真实使用中的问题，内测版本默认会上传所有 Session   │"
+  style 0-0 dim
+  style 79-79 dim
+20| "│ Log；如需关闭，请设置环境变量 DSH_TELEMETRY_DISABLED=1。另外，如果您有任何反 │"
+  style 0-0 dim
+  style 79-79 dim
+21| "│ 馈与建议，请在企业微信群中留言告诉我们。每一条反馈，都会帮助我们把它打磨得更 │"
+  style 0-0 dim
+  style 79-79 dim
+22| "│ 好。                                                                         │"
+  style 0-0 dim
+  style 79-79 dim
+23| "├──────────────────────────────────────────────────────────────────────────────┤"
+  style 0-79 dim
+24| "│                                 Enter  继续                                  │"
+  style 0-0 dim
+  style 34-44 fg=bright-magenta bold
+  style 79-79 dim
+25| "│                                                                              │"
+  style 0-0 dim
+  style 79-79 dim
+26| "╰──────────────────────────────────────────────────────────────────────────────╯"
+  style 0-79 dim
diff --git a/apps/cli/tests/tui-first-run-welcome.spec.ts b/apps/cli/tests/tui-first-run-welcome.spec.ts
new file mode 100644
index 0000000000..984ab15a03
--- /dev/null
+++ b/apps/cli/tests/tui-first-run-welcome.spec.ts
@@ -0,0 +1,346 @@
+import { createHash } from 'node:crypto'
+import { mkdir, mkdtemp, readFile, rm, stat } from 'node:fs/promises'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import type { Context } from 'cordis'
+import { visibleWidth } from '@earendil-works/pi-tui'
+import {
+  type TuiOverlayHost,
+  type TuiOverlayRequest,
+  type TuiTheme,
+} from '@deepseek-ai/dsh-tui'
+import {
+  acknowledgeTuiFirstRunWelcome,
+  apply,
+  hasTuiFirstRunWelcomeAcknowledgement,
+  needsTuiFirstRunWelcomeAsciiArt,
+  TuiFirstRunWelcomeComponent,
+  tuiFirstRunWelcomeAcknowledgementPath,
+  tuiFirstRunWelcomeArtTier,
+} from '../src/tui-onboarding/tui-first-run-welcome.ts'
+import {
+  TUI_FIRST_RUN_WELCOME_NOTICE_COPY,
+  TUI_FIRST_RUN_WELCOME_NOTICE_LOCALE,
+  TUI_FIRST_RUN_WELCOME_NOTICE_VERSION,
+} from '../src/tui-onboarding/tui-first-run-welcome-copy.ts'
+import { TUI_FIRST_RUN_WELCOME_WHALE } from '../src/tui-onboarding/tui-first-run-welcome-art.ts'
+
+const mockDisposeRootAndExit = vi.hoisted(() => vi.fn())
+vi.mock('@deepseek-ai/dsh-tui', async importOriginal => ({
+  ...await importOriginal<typeof import('@deepseek-ai/dsh-tui')>(),
+  disposeRootAndExit: mockDisposeRootAndExit,
+}))
+
+const identityTheme: TuiTheme = Object.freeze({
+  text: (value: string) => value,
+  brand: (value: string) => value,
+  dim: (value: string) => value,
+  accent: (value: string) => value,
+  success: (value: string) => value,
+  warning: (value: string) => value,
+  error: (value: string) => value,
+  bold: (value: string) => value,
+})
+
+function hostFixture(rows: number): {
+  host: TuiOverlayHost
+  closed: () => boolean
+  invalidations: () => number
+} {
+  let closed = false
+  let invalidations = 0
+  const controller = new AbortController()
+  return {
+    host: Object.freeze({
+      signal: controller.signal,
+      viewport: Object.freeze({ columns: 160, rows }),
+      theme: identityTheme,
+      display: (value: string) => value,
+      invalidate: () => { invalidations += 1 },
+      close: () => { closed = true },
+    }),
+    closed: () => closed,
+    invalidations: () => invalidations,
+  }
+}
+
+const copy = TUI_FIRST_RUN_WELCOME_NOTICE_COPY[TUI_FIRST_RUN_WELCOME_NOTICE_LOCALE]
+const openingSentence = `${copy.paragraphs[0]!.split('。', 1)[0]}。`
+const temporaryHomes: string[] = []
+
+function artAnchor(tier: keyof typeof TUI_FIRST_RUN_WELCOME_WHALE): string {
+  return TUI_FIRST_RUN_WELCOME_WHALE[tier].unicode[tier === 'full' ? 2 : 0]!.trim()
+}
+
+function withoutWhitespace(value: string): string {
+  return value.replace(/\s/gu, '')
+}
+
+async function temporaryHome(prefix: string): Promise<string> {
+  const home = await mkdtemp(join(tmpdir(), prefix))
+  temporaryHomes.push(home)
+  return home
+}
+
+afterEach(async () => {
+  mockDisposeRootAndExit.mockClear()
+  await Promise.all(temporaryHomes.splice(0).map(home => rm(home, { recursive: true, force: true })))
+})
+
+describe('TUI first-run welcome acknowledgement', () => {
+  it('publishes one immutable per-version marker safely across concurrent acknowledgements', async () => {
+    const home = await temporaryHome('dsh-tui-welcome-ack-')
+    expect(await hasTuiFirstRunWelcomeAcknowledgement(home)).toBe(false)
+
+    await Promise.all(Array.from({ length: 8 }, () => acknowledgeTuiFirstRunWelcome(home)))
+
+    expect(await hasTuiFirstRunWelcomeAcknowledgement(home)).toBe(true)
+    const info = await stat(tuiFirstRunWelcomeAcknowledgementPath(home, TUI_FIRST_RUN_WELCOME_NOTICE_VERSION))
+    expect(info.isFile()).toBe(true)
+    if (process.platform !== 'win32') expect(info.mode & 0o777).toBe(0o600)
+  })
+
+  it('treats a notice-version bump as a new one-time acknowledgement', async () => {
+    const home = await temporaryHome('dsh-tui-welcome-version-')
+    await acknowledgeTuiFirstRunWelcome(home)
+    const nextVersion = TUI_FIRST_RUN_WELCOME_NOTICE_VERSION + 1
+
+    expect(await hasTuiFirstRunWelcomeAcknowledgement(home, nextVersion)).toBe(false)
+    await acknowledgeTuiFirstRunWelcome(home, nextVersion)
+    expect(await hasTuiFirstRunWelcomeAcknowledgement(home, nextVersion)).toBe(true)
+  })
+
+  it('rejects a malformed marker instead of silently acknowledging it', async () => {
+    const home = await temporaryHome('dsh-tui-welcome-malformed-')
+    await mkdir(tuiFirstRunWelcomeAcknowledgementPath(home, TUI_FIRST_RUN_WELCOME_NOTICE_VERSION), {
+      recursive: true,
+    })
+    await expect(hasTuiFirstRunWelcomeAcknowledgement(home)).rejects.toThrow('is not a file')
+    await expect(acknowledgeTuiFirstRunWelcome(home)).rejects.toThrow()
+  })
+
+  it('detects only explicit ASCII-only terminal environments', () => {
+    expect(needsTuiFirstRunWelcomeAsciiArt({ TERM: 'dumb' })).toBe(true)
+    expect(needsTuiFirstRunWelcomeAsciiArt({ LC_ALL: 'C' })).toBe(true)
+    expect(needsTuiFirstRunWelcomeAsciiArt({ LC_CTYPE: 'POSIX' })).toBe(true)
+    expect(needsTuiFirstRunWelcomeAsciiArt({ LANG: 'C' })).toBe(true)
+    expect(needsTuiFirstRunWelcomeAsciiArt({ LANG: 'en_US.UTF-8' })).toBe(false)
+    expect(typeof needsTuiFirstRunWelcomeAsciiArt()).toBe('boolean')
+  })
+})
+
+describe('TUI first-run welcome composition', () => {
+  it('pins the supplied official icon and exact Chinese copy at their owner boundaries', async () => {
+    const icon = (await readFile(new URL('../assets/deepseek-color.svg', import.meta.url), 'utf8')).trimEnd()
+    expect(createHash('sha256').update(icon).digest('hex'))
+      .toBe('deba5f98a5c1796e20fcac3149bcd7eb8a32f0bdd04d048819400b1f28bd1439')
+    expect(createHash('sha256').update(copy.paragraphs.join('\n')).digest('hex'))
+      .toBe('99f9a828b4f083b28de21bf5e03f939c00238531e765db78911957c44c6e98da')
+    expect(TUI_FIRST_RUN_WELCOME_NOTICE_COPY.en).toBe(copy)
+  })
+
+  it.each([
+    { columns: 60, inner: 50, rows: 30, tier: undefined },
+    { columns: 80, inner: 68, rows: 30, tier: 'minimal' },
+    { columns: 100, inner: 84, rows: 34, tier: 'compact' },
+    { columns: 120, inner: 104, rows: 30, tier: 'full' },
+    { columns: 160, inner: 140, rows: 30, tier: 'full' },
+  ] as const)('renders the responsive composition at $columns columns without overdraw', ({ inner, rows, tier }) => {
+    const fixture = hostFixture(rows)
+    const component = new TuiFirstRunWelcomeComponent(fixture.host, copy, async () => {}, () => {})
+    const renderWidth = inner + 4
+    const lines = component.render(renderWidth)
+
+    expect(tuiFirstRunWelcomeArtTier(inner, rows)).toBe(tier)
+    expect(lines.every(line => visibleWidth(line) <= renderWidth)).toBe(true)
+    if (tier === undefined) {
+      expect(lines.join('\n')).not.toMatch(/[▀▄█]/u)
+    } else {
+      expect(lines.join('\n')).toContain(artAnchor(tier))
+    }
+    const rendered = lines.join('\n')
+    const optOut = copy.paragraphs.at(-1)!.match(/[A-Z_]+=1/u)![0]
+    expect(rendered).not.toContain(copy.scrollHint)
+    expect(rendered).toContain(copy.paragraphs.at(-1)!.match(/[A-Za-z]+ [A-Za-z]+/u)![0])
+    expect(rendered).toContain(optOut)
+    expect(lines.join('\n')).toContain(`Enter  ${copy.continueLabel}`)
+    expect(lines.length).toBeLessThanOrEqual(Math.floor(rows * 0.9))
+    expect(lines.length).toBeGreaterThan(5)
+  })
+
+  it.each([
+    { inner: 68, rows: 14, tier: undefined },
+    { inner: 68, rows: 17, tier: undefined },
+    { inner: 68, rows: 18, tier: 'minimal' },
+    { inner: 84, rows: 21, tier: 'minimal' },
+    { inner: 84, rows: 22, tier: 'compact' },
+  ] as const)('degrades art to preserve the action at $rows rows', ({ inner, rows, tier }) => {
+    const fixture = hostFixture(rows)
+    const component = new TuiFirstRunWelcomeComponent(fixture.host, copy, async () => {}, () => {})
+    const lines = component.render(inner + 4)
+    expect(tuiFirstRunWelcomeArtTier(inner, rows)).toBe(tier)
+    expect(lines.length).toBeLessThanOrEqual(Math.floor(rows * 0.9))
+    expect(lines.join('\n')).toContain(`Enter  ${copy.continueLabel}`)
+  })
+
+  it('drops the whale at low height while keeping prose, scrolling, and Enter reachable', () => {
+    const fixture = hostFixture(10)
+    const component = new TuiFirstRunWelcomeComponent(fixture.host, copy, async () => {}, () => {})
+    const initial = component.render(54).join('\n')
+    expect(tuiFirstRunWelcomeArtTier(50, 10)).toBeUndefined()
+    expect(initial).toContain(openingSentence)
+    expect(initial).toContain(`Enter  ${copy.continueLabel}`)
+
+    component.handleInput('\x1b[F')
+    const end = component.render(54).join('\n')
+    expect(withoutWhitespace(end)).toContain(withoutWhitespace(copy.paragraphs.at(-1)!.slice(-7)))
+    expect(end).toContain(`Enter  ${copy.continueLabel}`)
+
+    for (const key of ['\x1b[A', '\x1b[B', '\x1b[5~', '\x1b[6~', '\x1b[H', 'x']) {
+      component.handleInput(key)
+    }
+    component.invalidate()
+  })
+
+  it('renders a tiny viewport and a quotation-only paragraph without overdraw', () => {
+    const fixture = hostFixture(5)
+    const quoteOnly = { ...copy, paragraphs: ['“如切如磋，如琢如磨。”'] }
+    const component = new TuiFirstRunWelcomeComponent(fixture.host, quoteOnly, async () => {}, () => {})
+    const lines = component.render(2)
+    expect(lines.every(line => visibleWidth(line) <= 6)).toBe(true)
+  })
+
+  it('keeps the side-by-side composition aligned when prose outgrows the full raster', () => {
+    const fixture = hostFixture(40)
+    const longCopy = { ...copy, paragraphs: [copy.paragraphs.join(' ').repeat(4)] }
+    const component = new TuiFirstRunWelcomeComponent(fixture.host, longCopy, async () => {}, () => {})
+    const lines = component.render(100)
+    expect(lines.length).toBeGreaterThan(TUI_FIRST_RUN_WELCOME_WHALE.full.unicode.length)
+    expect(lines.every(line => visibleWidth(line) <= 100)).toBe(true)
+    component.handleInput('\x1b[F')
+    expect(component.render(100).join('\n')).toContain(copy.title)
+  })
+
+  it('renders the bit-equivalent ASCII icon fallback for an explicitly non-Unicode terminal', () => {
+    const fixture = hostFixture(30)
+    const component = new TuiFirstRunWelcomeComponent(fixture.host, copy, async () => {}, () => {}, true)
+    const rendered = component.render(72).join('\n')
+    expect(rendered).toContain(TUI_FIRST_RUN_WELCOME_WHALE.minimal.ascii[0]!.trim())
+    expect(rendered).not.toMatch(/[▀▄█]/u)
+  })
+
+  it.each(['full', 'compact', 'minimal'] as const)('keeps the $tier ASCII raster bit-equivalent', (tier) => {
+    const mapped = TUI_FIRST_RUN_WELCOME_WHALE[tier].unicode.map(line => Array.from(line).map((cell) => {
+      if (cell === '▀') return "'"
+      if (cell === '▄') return '_'
+      if (cell === '█') return '#'
+      return cell
+    }).join(''))
+    expect(mapped).toEqual(TUI_FIRST_RUN_WELCOME_WHALE[tier].ascii)
+  })
+
+  it('ignores Escape and acknowledges only Enter before closing', async () => {
+    const fixture = hostFixture(30)
+    const acknowledge = vi.fn(async () => {})
+    const component = new TuiFirstRunWelcomeComponent(fixture.host, copy, acknowledge, () => {})
+    component.render(72)
+
+    component.handleInput('\x1b')
+    await Promise.resolve()
+    expect(acknowledge).not.toHaveBeenCalled()
+    expect(fixture.closed()).toBe(false)
+
+    component.handleInput('\r')
+    await vi.waitFor(() => { expect(fixture.closed()).toBe(true) })
+    expect(acknowledge).toHaveBeenCalledOnce()
+  })
+
+  it('keeps the notice eligible when Ctrl+C or Ctrl+D requests a normal exit', async () => {
+    const fixture = hostFixture(30)
+    const acknowledge = vi.fn(async () => {})
+    const exit = vi.fn()
+    const component = new TuiFirstRunWelcomeComponent(fixture.host, copy, acknowledge, exit)
+    component.handleInput('\x03')
+    component.handleInput('\x04')
+    expect(exit).toHaveBeenCalledTimes(2)
+    expect(acknowledge).not.toHaveBeenCalled()
+    expect(fixture.closed()).toBe(false)
+  })
+
+  it('does not start a second acknowledgement while the first Enter is pending', async () => {
+    const fixture = hostFixture(30)
+    const pending = Promise.withResolvers<undefined>()
+    const acknowledge = vi.fn(async () => pending.promise)
+    const component = new TuiFirstRunWelcomeComponent(fixture.host, copy, acknowledge, () => {})
+    component.render(72)
+
+    component.handleInput('\r')
+    component.handleInput('\r')
+    component.handleInput('\x1b[B')
+    expect(component.render(72).join('\n')).toContain(copy.saving)
+    expect(acknowledge).toHaveBeenCalledOnce()
+
+    pending.resolve(undefined)
+    await vi.waitFor(() => { expect(fixture.closed()).toBe(true) })
+  })
+
+  it('keeps the overlay open after a persistence failure and lets Enter retry', async () => {
+    const fixture = hostFixture(30)
+    let attempts = 0
+    const component = new TuiFirstRunWelcomeComponent(fixture.host, copy, async () => {
+      attempts += 1
+      if (attempts === 1) throw new Error('disk unavailable')
+    }, () => {})
+    component.render(72)
+
+    component.handleInput('\r')
+    await vi.waitFor(() => {
+      expect(component.render(72).join('\n')).toContain(copy.saveError)
+    })
+    expect(fixture.closed()).toBe(false)
+
+    component.handleInput('\r')
+    await vi.waitFor(() => { expect(fixture.closed()).toBe(true) })
+    expect(attempts).toBe(2)
+    expect(fixture.invalidations()).toBeGreaterThanOrEqual(3)
+  })
+
+  it('opens through the TUI extension and uses the launcher-owned acknowledgement closure', async () => {
+    const home = await temporaryHome('dsh-tui-welcome-apply-')
+    let request: TuiOverlayRequest | undefined
+    let disposePending: (() => Promise<void>) | undefined
+    const ctx = {
+      effect(register: () => () => Promise<void>) {
+        disposePending = register()
+        return () => {}
+      },
+      tui: {
+        openOverlay(value: TuiOverlayRequest) {
+          request = value
+          return {} as never
+        },
+      },
+    } as unknown as Context
+    apply(ctx, { dshHome: home })
+    expect(request?.options).toEqual({
+      width: '100%',
+      maxHeight: '90%',
+      anchor: 'center',
+      margin: 0,
+    })
+
+    const fixture = hostFixture(30)
+    const component = request?.create(fixture.host)
+    expect(component).toBeInstanceOf(TuiFirstRunWelcomeComponent)
+    component?.handleInput?.('\x03')
+    expect(mockDisposeRootAndExit).toHaveBeenCalledWith(ctx, 0)
+    component?.handleInput?.('\r')
+    await disposePending?.()
+    expect(await hasTuiFirstRunWelcomeAcknowledgement(home)).toBe(true)
+
+    apply(ctx, { dshHome: home, asciiArt: true })
+    expect(request?.create(fixture.host).render(72).join('\n'))
+      .toContain(TUI_FIRST_RUN_WELCOME_WHALE.minimal.ascii[0]!.trim())
+  })
+})
diff --git a/apps/cli/tests/tui-keyless-smoke.e2e.ts b/apps/cli/tests/tui-keyless-smoke.e2e.ts
index 0f7a3e6fec..4a1c02a053 100644
--- a/apps/cli/tests/tui-keyless-smoke.e2e.ts
+++ b/apps/cli/tests/tui-keyless-smoke.e2e.ts
@@ -1,6 +1,7 @@
 import { createUserMessage, createMessage } from '@deepseek-ai/dsh-llm'
 import { realpathSync } from 'node:fs'
-import { mkdir, readdir, readFile, writeFile } from 'node:fs/promises'
+import { mkdir, mkdtemp, readdir, readFile, rm, writeFile } from 'node:fs/promises'
+import { tmpdir } from 'node:os'
 import { dirname, join } from 'node:path'
 import { fileURLToPath } from 'node:url'
 import { describe, expect, it } from 'vitest'
@@ -8,12 +9,30 @@ import { LOADER_SMOKE_TEST_TIMEOUT_MS } from '@deepseek-ai/dsh-loader-smoke'
 import { packChunkRuns, SessionId, type SessionEvent, type SessionHeader } from '@deepseek-ai/dsh-session'
 import { logPath, toHeaderLine } from '../../../packages/session-persistence/session-persistence-jsonl/src/format.ts'
 import { runTuiPtySmoke, type TuiPtySmokeOptions } from './pty-harness.ts'
+import { HeadlessTerminal } from '../../../packages/ui/tui/tests/headless-terminal.ts'
+import {
+  acknowledgeTuiFirstRunWelcome,
+  hasTuiFirstRunWelcomeAcknowledgement,
+} from '../src/tui-onboarding/tui-first-run-welcome.ts'
+import {
+  TUI_FIRST_RUN_WELCOME_NOTICE_COPY,
+  TUI_FIRST_RUN_WELCOME_NOTICE_LOCALE,
+} from '../src/tui-onboarding/tui-first-run-welcome-copy.ts'
+import { TUI_FIRST_RUN_WELCOME_WHALE } from '../src/tui-onboarding/tui-first-run-welcome-art.ts'
 
 const dshBinScript = fileURLToPath(new URL('../src/bin.ts', import.meta.url))
 // `--config` layers an overlay over the shared base, so the default surface
 // needs no config argument at all; these are the overlays under test.
 const scriptedConfigPath = fileURLToPath(new URL('./fixtures/tui-scripted.cordis.yml', import.meta.url))
 const tsconfigPath = fileURLToPath(new URL('../../../tsconfig.json', import.meta.url))
+const firstRunSnapshots = fileURLToPath(new URL('./tui-first-run-snapshots/', import.meta.url))
+const synchronizedFrameEnd = '\x1b[?2026l'
+// Artifact mode gives the inner PTY driver 60 seconds and its execa owner a
+// five-second backstop. Keep Vitest outside both deadlines so the harness can
+// report its own marker, exit, and cleanup failure instead of being cut off.
+const PTY_SMOKE_TEST_TIMEOUT_MS = process.env.DSH_EXAMPLE_MODE === 'lib'
+  ? 75_000
+  : LOADER_SMOKE_TEST_TIMEOUT_MS
 
 /**
  * Seed the isolated process workspace: ordinary files land in `cwd`, personal
@@ -125,20 +144,77 @@ async function readLoggedRequestContext(cwd: string): Promise<LoggedRequestConte
  * `tui.cordis.yml`, with no flags) or `configPath` (an overlay layered over that
  * same base through `--config`).
  */
-function smoke(overrides: Partial<TuiPtySmokeOptions> & { label: string }): Promise<string> {
+function smoke(overrides: Partial<TuiPtySmokeOptions> & {
+  label: string
+  showFirstRunWelcome?: boolean
+}): Promise<string> {
+  const { showFirstRunWelcome = false, prepare, ...options } = overrides
   return runTuiPtySmoke({
     tempDirPrefix: 'dsh-tui-smoke-',
     binScript: dshBinScript,
     tsconfigPath,
-    // Telemetry now mounts in the shared base: keep fixture sessions from
-    // POSTing to the production endpoint when run outside CI's workflow env.
-    env: { DEEPSEEK_API_KEY: 'keyless-tui-no-call', DSH_TELEMETRY_DISABLED: '1' },
+    env: {
+      DEEPSEEK_API_KEY: 'keyless-tui-no-call',
+      DSH_TELEMETRY_DISABLED: '1',
+      LANG: 'en_US.UTF-8',
+      LC_ALL: 'en_US.UTF-8',
+      LC_CTYPE: 'en_US.UTF-8',
+      TERM: 'xterm-256color',
+    },
     // Artifact CI builds and smokes concurrently on a contended runner.
     ...(process.env.DSH_EXAMPLE_MODE === 'lib' ? { timeoutMs: 60_000 } : {}),
-    ...overrides,
+    ...options,
+    prepare: async (cwd) => {
+      if (!showFirstRunWelcome) await acknowledgeTuiFirstRunWelcome(join(cwd, '.dsh'))
+      await prepare?.(cwd)
+    },
   })
 }
 
+const firstRunCopy = TUI_FIRST_RUN_WELCOME_NOTICE_COPY[TUI_FIRST_RUN_WELCOME_NOTICE_LOCALE]
+const firstRunOpeningSentence = `${firstRunCopy.paragraphs[0]!.split('。', 1)[0]}。`
+
+function firstRunArtAnchor(tier: keyof typeof TUI_FIRST_RUN_WELCOME_WHALE): string {
+  return TUI_FIRST_RUN_WELCOME_WHALE[tier].unicode[tier === 'full' ? 2 : 0]!.trim()
+}
+
+/** Keep only the overlay rows, excluding platform-specific scrollback and the underlying TUI. */
+function overlaySnapshot(snapshot: string, columns: number, rows: number): string {
+  const blocks: string[][] = []
+  for (const line of snapshot.split('\n')) {
+    if (/^\d+(?:-\d+)?~?\| /u.test(line)) blocks.push([line])
+    else if (line.startsWith('  style ') && blocks.length > 0) blocks.at(-1)?.push(line)
+  }
+  const first = blocks.findIndex(block => block[0]?.includes('╭') === true)
+  const last = blocks.findIndex((block, index) => index >= first && block[0]?.includes('╰') === true)
+  if (first < 0 || last < first) throw new Error('first-run PTY snapshot has no complete overlay frame')
+  const overlay = blocks.slice(first, last + 1).flatMap((block, index) => [
+    block[0]!.replace(/^\d+(?:-\d+)?(~)?\|/u, `${String(index)}$1|`),
+    ...block.slice(1),
+  ])
+  return [`overlay ${String(columns)}x${String(rows)} rows=${String(last - first + 1)}`, ...overlay, ''].join('\n')
+}
+
+/** Project the first synchronized PTY frame containing `marker` into an overlay-only snapshot. */
+async function firstRunFrameSnapshot(
+  output: string,
+  marker: string,
+  columns: number,
+  rows: number,
+): Promise<string> {
+  const markerIndex = output.indexOf(marker)
+  if (markerIndex < 0) throw new Error(`first-run PTY output has no marker ${JSON.stringify(marker)}`)
+  const frameEnd = output.indexOf(synchronizedFrameEnd, markerIndex)
+  if (frameEnd < 0) throw new Error(`first-run PTY output has no complete frame after ${JSON.stringify(marker)}`)
+  const terminal = new HeadlessTerminal(columns, rows)
+  try {
+    terminal.write(output.slice(0, frameEnd + synchronizedFrameEnd.length))
+    return overlaySnapshot(await terminal.snapshot(), columns, rows)
+  } finally {
+    await terminal.dispose()
+  }
+}
+
 // The scripted conversation switches to the pro model first: the scripted
 // adapter proves routing + prompt variables by rejecting tool-ful calls on any
 // other route (see fixtures/tui-scripted-llm.ts).
@@ -148,6 +224,138 @@ const SELECT_PRO_MODEL = [
 ] as const
 
 describe('dsh TUI keyless smoke (real Loader tree in a PTY)', () => {
+  it.each([
+    { columns: 60, tier: undefined },
+    { columns: 80, tier: 'minimal' },
+    { columns: 120, tier: 'full' },
+    { columns: 160, tier: 'full' },
+  ] as const)('renders and acknowledges the responsive first-run composition at $columns columns', async ({ columns, tier }) => {
+    const output = await smoke({
+      label: `dsh first-run welcome ${String(columns)} columns`,
+      tempDirPrefix: `dsh-tui-welcome-${String(columns)}-`,
+      configPath: scriptedConfigPath,
+      showFirstRunWelcome: true,
+      expectedExitCode: 0,
+      columns,
+      rows: 30,
+      actions: [
+        {
+          waitFor: `Enter  ${firstRunCopy.continueLabel}`,
+          send: '\r\x03',
+        },
+      ],
+      inspect: async (cwd) => {
+        expect(await hasTuiFirstRunWelcomeAcknowledgement(join(cwd, '.dsh'))).toBe(true)
+        const entries = await readdir(join(cwd, '.sessions'), { recursive: true })
+        const logs = entries.filter(name => name.endsWith('.jsonl'))
+        for (const log of logs) {
+          const stored = await readFile(join(cwd, '.sessions', log), 'utf8')
+          expect(stored).not.toContain(firstRunCopy.paragraphs[0])
+        }
+      },
+    })
+    await expect(await firstRunFrameSnapshot(output, firstRunOpeningSentence, columns, 30))
+      .toMatchFileSnapshot(join(firstRunSnapshots, `${String(columns)}-columns.expected.txt`))
+    if (tier === undefined) {
+      expect(output).not.toContain(TUI_FIRST_RUN_WELCOME_WHALE.minimal.unicode[0]!.trim())
+    } else {
+      expect(output).toContain(firstRunArtAnchor(tier))
+    }
+    expect(output).toContain(`Enter  ${firstRunCopy.continueLabel}`)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
+
+  it('keeps prose and Enter reachable in a low-height real PTY after dropping the whale', async () => {
+    const output = await smoke({
+      label: 'dsh low-height first-run welcome',
+      tempDirPrefix: 'dsh-tui-welcome-low-',
+      configPath: scriptedConfigPath,
+      showFirstRunWelcome: true,
+      expectedExitCode: 0,
+      columns: 60,
+      rows: 12,
+      actions: [
+        { waitFor: firstRunOpeningSentence, send: '\x1b[F' },
+        {
+          waitFor: `Enter  ${firstRunCopy.continueLabel}`,
+          occurrence: 2,
+          send: '\r\x03',
+        },
+      ],
+    })
+    await expect(await firstRunFrameSnapshot(output, firstRunOpeningSentence, 60, 12))
+      .toMatchFileSnapshot(join(firstRunSnapshots, '60-columns-low-height.expected.txt'))
+    expect(output).toContain(firstRunCopy.title)
+    expect(output).toContain(firstRunOpeningSentence)
+    expect(output).toContain('企业微信群')
+    expect(output).toContain(`Enter  ${firstRunCopy.continueLabel}`)
+    expect(output).not.toContain(TUI_FIRST_RUN_WELCOME_WHALE.minimal.unicode[0]!.trim())
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
+
+  it('shows once and skips the second launch under the same DSH_HOME', async () => {
+    const cwd = await mkdtemp(join(tmpdir(), 'dsh-tui-welcome-twice-'))
+    try {
+      const first = await smoke({
+        label: 'dsh first welcome launch',
+        tempDirPrefix: 'unused-',
+        cwd,
+        configPath: scriptedConfigPath,
+        showFirstRunWelcome: true,
+        expectedExitCode: 0,
+        actions: [
+          { waitFor: `Enter  ${firstRunCopy.continueLabel}`, send: '\r\x03' },
+        ],
+      })
+      expect(first).toContain(firstRunCopy.title)
+
+      const second = await smoke({
+        label: 'dsh second welcome launch',
+        tempDirPrefix: 'unused-',
+        cwd,
+        configPath: scriptedConfigPath,
+        showFirstRunWelcome: true,
+        expectedExitCode: process.platform === 'win32' ? 0 : -15,
+        actions: [{ waitFor: 'main-session-', signal: 'SIGTERM' }],
+      })
+      expect(second).not.toContain(firstRunOpeningSentence)
+      expect(second).not.toContain(`Enter  ${firstRunCopy.continueLabel}`)
+    } finally {
+      await rm(cwd, { recursive: true, force: true })
+    }
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
+
+  it.skipIf(process.platform === 'win32')('keeps the notice eligible when the process exits before Enter', async () => {
+    const cwd = await mkdtemp(join(tmpdir(), 'dsh-tui-welcome-abort-'))
+    try {
+      await smoke({
+        label: 'dsh aborted welcome launch',
+        tempDirPrefix: 'unused-',
+        cwd,
+        configPath: scriptedConfigPath,
+        showFirstRunWelcome: true,
+        expectedExitCode: -15,
+        actions: [{ waitFor: firstRunOpeningSentence, signal: 'SIGTERM' }],
+        inspect: async (workspace) => {
+          expect(await hasTuiFirstRunWelcomeAcknowledgement(join(workspace, '.dsh'))).toBe(false)
+        },
+      })
+
+      const next = await smoke({
+        label: 'dsh welcome after aborted launch',
+        tempDirPrefix: 'unused-',
+        cwd,
+        configPath: scriptedConfigPath,
+        showFirstRunWelcome: true,
+        expectedExitCode: 0,
+        actions: [
+          { waitFor: `Enter  ${firstRunCopy.continueLabel}`, send: '\r\x03' },
+        ],
+      })
+      expect(next).toContain(firstRunOpeningSentence)
+    } finally {
+      await rm(cwd, { recursive: true, force: true })
+    }
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
+
   it('boots pi-tui, sweeps the borderless banner in, enters plan mode, and restores the terminal', async () => {
     // With no configured welcome the borderless banner sweeps in left-to-right;
     // the detail line's session id (`main-session-<uuid>`) renders only once
@@ -170,7 +378,7 @@ describe('dsh TUI keyless smoke (real Loader tree in a PTY)', () => {
     expect(output).not.toContain('╭')
     expect(output).not.toContain('╮')
     expect(output).toContain('\u001B[?2004l')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it('switches models, streams a response, answers a user-question dialog, and exits cleanly', async () => {
     const output = await smoke({
@@ -223,7 +431,7 @@ describe('dsh TUI keyless smoke (real Loader tree in a PTY)', () => {
     expect(output).toContain('Registered tools')
     expect(output).toContain('ask_user_question')
     expect(output).toContain('\u001B[?2004l')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it('loads a local skill via /skill: and delivers its body to the model as a user turn', async () => {
     // The whole user-only invocation path in one keyless boot: `ctx.get('skills')`
@@ -259,7 +467,7 @@ describe('dsh TUI keyless smoke (real Loader tree in a PTY)', () => {
     expect(output).not.toContain('[instructions]')
     expect(output).toContain('Scripted skill body received.')
     expect(output).toContain('\u001B[?2004l')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it('adds a watched local skill to live /skill: autocomplete without restarting', async () => {
     const skill = [
@@ -289,7 +497,7 @@ describe('dsh TUI keyless smoke (real Loader tree in a PTY)', () => {
     })
     expect(output).toContain('HOT_ADDED_COMPLETION_MARKER')
     expect(output).toContain('\u001B[?2004l')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it.skipIf(process.env.DSH_EXAMPLE_MODE === 'lib')('fuzzy-completes an @file path without reading or submitting the file', async () => {
     const output = await smoke({
@@ -314,11 +522,51 @@ describe('dsh TUI keyless smoke (real Loader tree in a PTY)', () => {
     expect(output).toContain('File · terminal-special-case.t')
     expect(output).toContain('@src/terminal-special-case.ts')
     expect(output).toContain('\u001B[?2004l')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
 })
 
 describe('dsh CLI keyless smoke (apps/cli through the same PTY)', () => {
+  it('shows the terminal-local notice over a resumed session without changing its log', async () => {
+    let originalLineCount = 0
+    const output = await smoke({
+      label: 'dsh first-run notice on resume',
+      tempDirPrefix: 'dsh-tui-welcome-resume-',
+      binScript: dshBinScript,
+      configArgs: ['--resume', 'resume-target', '--config', scriptedConfigPath],
+      showFirstRunWelcome: true,
+      expectedExitCode: 0,
+      prepare: async (cwd) => {
+        await seedResumeSession(cwd)
+        const before = await readFile(logPath(
+          join(cwd, '.sessions'),
+          realpathSync.native(cwd),
+          SessionId('resume-target'),
+          'none',
+        ), 'utf8')
+        originalLineCount = before.split('\n').filter(Boolean).length
+      },
+      actions: [
+        { waitFor: `Enter  ${firstRunCopy.continueLabel}`, send: '\r\x03' },
+      ],
+      inspect: async (cwd) => {
+        const after = await readFile(logPath(
+          join(cwd, '.sessions'),
+          realpathSync.native(cwd),
+          SessionId('resume-target'),
+          'none',
+        ), 'utf8')
+        expect(after).not.toContain(firstRunCopy.paragraphs[0])
+        const appended = after.split('\n').filter(Boolean).slice(originalLineCount)
+          .map(line => JSON.parse(line) as SessionEvent)
+        expect(appended).not.toContainEqual(expect.objectContaining({ type: 'user/message' }))
+        expect(appended).not.toContainEqual(expect.objectContaining({ type: 'turn/start' }))
+      },
+    })
+    expect(output).toContain(firstRunOpeningSentence)
+    expect(output).toContain('Resume selector design — DeepSeek Harness')
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
+
   it('exec-replaces the TUI for /resume and restores the same session state', async () => {
     const output = await smoke({
       label: 'dsh in-place resume',
@@ -338,7 +586,7 @@ describe('dsh CLI keyless smoke (apps/cli through the same PTY)', () => {
     expect(released).toBeGreaterThanOrEqual(0)
     expect(restored).toBeGreaterThan(released)
     expect(output).toContain('Preserve restored state')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it('boots the shipped default config with no arguments and no personal overlay', async () => {
     const output = await smoke({
@@ -353,7 +601,7 @@ describe('dsh CLI keyless smoke (apps/cli through the same PTY)', () => {
     expect(output).not.toContain('╭')
     expect(output).not.toContain('╮')
     expect(output).toContain('\u001B[?2004l')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it('applies the personal overlay: config.yaml patches an overlay-inserted row, the invoking directory\'s .env feeds its !!js, and the home .env stays out of the environment', async () => {
     // The whole personal-config chain in one boot, plus the environment layer
@@ -390,7 +638,7 @@ describe('dsh CLI keyless smoke (apps/cli through the same PTY)', () => {
     expect(output).toContain('PROJECT OVERLAY READY.')
     expect(output).not.toContain('HOME ENV LEAKED.')
     expect(output).toContain('\u001B[?2004l')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it('fails loud instead of booting when the personal config.yaml is invalid', async () => {
     const output = await smoke({
@@ -402,7 +650,7 @@ describe('dsh CLI keyless smoke (apps/cli through the same PTY)', () => {
       expectedExitCode: 1,
     })
     expect(output).toContain('must be a top-level YAML array of loader patch entries')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it('routes the --resume flag into the launcher session-identity slot, failing loud on a missing id', async () => {
     // The flag path end to end: apps/cli parses `--resume missing-session`,
@@ -417,7 +665,7 @@ describe('dsh CLI keyless smoke (apps/cli through the same PTY)', () => {
       expectedExitCode: 1,
     })
     expect(output).toContain('ui-tui: session "missing-session" failed to start:')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it('prints the launcher-owned resume command on exit, naming the booted config', async () => {
     // The exit line is built by apps/cli from this invocation, so it must carry
@@ -430,7 +678,7 @@ describe('dsh CLI keyless smoke (apps/cli through the same PTY)', () => {
       actions: [{ waitFor: 'scripted TUI ready.', send: '/exit\r' }],
     })
     expect(output).toMatch(/To resume this session: dsh --resume=main-session-[0-9a-f-]{36} --config/)
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it('keeps resume working when the personal overlay replaces the whole agent-loop config', async () => {
     // Loader patches replace a targeted `config` key wholesale, so a personal
@@ -465,7 +713,7 @@ describe('dsh CLI keyless smoke (apps/cli through the same PTY)', () => {
       actions: [{ waitFor: 'OVERLAY REPLACED THE CONFIG.', send: '/exit\r' }],
     })
     expect(output).toMatch(/To resume this session: dsh --resume=main-session-[0-9a-f-]{36}/)
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it('reports a failing bash command exactly once, as the terminal card exit pill', async () => {
     // The model-facing result ends in `[exit code: 3]`, which the terminal card
@@ -488,7 +736,7 @@ describe('dsh CLI keyless smoke (apps/cli through the same PTY)', () => {
     expect(output).toContain('SCRIPTED_BASH_FAILED')
     expect(output).toContain('[exit 3]')
     expect(output).not.toContain('[exit code: 3]')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 
   it('tells the model its source path and offers the bundled maintenance skills', async () => {
     // The launcher resolves the checkout root three hops up from apps/cli/{src,lib};
@@ -514,5 +762,5 @@ describe('dsh CLI keyless smoke (apps/cli through the same PTY)', () => {
     expect(context.skillCatalog).toContain("- `dsh-customize`: Customize or maintain any dsh source checkout — the one powering the current DSH process, the installed `dsh` command, or a sibling dsh/deepseek-harness clone. Use before any requested action that alters such a checkout's files or git state. Read-only questions that only inspect the checkout do not trigger this. Do not edit the personal staging checkout directly.")
     expect(context.skillCatalog).toContain('- `dsh-upgrade`: Upgrades a source-installed, personally customized DSH checkout to upstream master while preserving local changes and an unchanged rollback worktree. Use when the user asks to update or upgrade DSH.')
     expect(context.skillCatalog).toContain('- `dsh-upstream-customization`: Classifies personal DSH customizations for upstream contribution and, after explicit per-feature approval, rebuilds one on upstream master and opens a draft pull request. Use when the user asks to contribute, publish, or upstream a local DSH change, or asks whether one is worth proposing.')
-  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+  }, PTY_SMOKE_TEST_TIMEOUT_MS)
 })
diff --git a/apps/cli/tests/tui.snapshot.ts b/apps/cli/tests/tui.snapshot.ts
index 078e4c191e..114d69401b 100644
--- a/apps/cli/tests/tui.snapshot.ts
+++ b/apps/cli/tests/tui.snapshot.ts
@@ -11,8 +11,12 @@ import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local'
 import LocalSubprocessService from '@deepseek-ai/dsh-subprocess-local'
 import WorkerCodeRuntime from '@deepseek-ai/dsh-code-runtime-worker'
 import CommandService from '@deepseek-ai/dsh-commands'
+import * as CommandCompact from '@deepseek-ai/dsh-command-compact'
+import { BasicCompactService } from '@deepseek-ai/dsh-compact-basic'
+import type { SummarizationInput } from '@deepseek-ai/dsh-compact-basic/src/summarizer.ts'
 import LocalFileSystem from '@deepseek-ai/dsh-fs-local'
 import * as FsPolicy from '@deepseek-ai/dsh-fs-policy'
+import { createUserMessage } from '@deepseek-ai/dsh-llm'
 import * as ToolFs from '@deepseek-ai/dsh-tool-fs'
 import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek'
 import { installLlmReplay, parseSessionLog } from '@deepseek-ai/dsh-llm-replay'
@@ -45,6 +49,8 @@ type ScenarioInteraction = 'skill-invocation-policy'
 
 interface Scenario {
   name: string
+  /** Replay fixture owned by an earlier scenario, for a derived presentation case. */
+  fixture?: string
   composition: Composition
   expectedTools: string[]
   expectedEventCounts?: Record<string, number>
@@ -68,6 +74,13 @@ interface Scenario {
   spillMaxInlineBytes?: number
   /** Run scenario-specific terminal input instead of replaying recorded user prompts. */
   interaction?: ScenarioInteraction
+  /**
+   * Mount a deterministic compaction backend plus `/compact`, then run the
+   * human command with a held summary while a prompt and injected context
+   * arrive. Proves queued input waits for the standalone bracket's durability
+   * checkpoint instead of racing the replacement.
+   */
+  manualCompact?: boolean
 }
 
 const SCENARIOS: Scenario[] = [
@@ -80,6 +93,14 @@ const SCENARIOS: Scenario[] = [
     leavePlanModeAfterFirstTurn: true,
     recorded: true,
   },
+  {
+    name: 'queued-manual-compact',
+    fixture: 'multi-turn-conversation',
+    composition: 'native',
+    expectedTools: [],
+    recorded: false,
+    manualCompact: true,
+  },
   {
     name: 'todo-plan',
     composition: 'native',
@@ -149,6 +170,44 @@ function snapshotModeFromEnv(value: string | undefined): SnapshotMode {
 
 const MODE = snapshotModeFromEnv(process.env.DSH_SNAPSHOT)
 const observedScenarios = new Set<string>()
+const workerState = Reflect.get(globalThis, '__vitest_worker__') as
+  | { readonly config?: { readonly testNamePattern?: RegExp } }
+  | undefined
+// Worker argv omits the parent CLI's `-t`; the serialized runner config is the
+// authoritative distinction between a focused replay and the full suite.
+const TEST_NAME_FILTERED = workerState?.config?.testNamePattern !== undefined
+
+/**
+ * Deterministic keyless summary that pauses so the scenario can submit a real
+ * prompt and inject context while manual compaction holds turn admission.
+ */
+class DeferredSnapshotCompactService extends BasicCompactService {
+  readonly summaryStarted = Promise.withResolvers<undefined>()
+  readonly releaseSummary = Promise.withResolvers<undefined>()
+
+  override async summarize(
+    _input: SummarizationInput,
+    _agent: Agent,
+    signal?: AbortSignal,
+  ): Promise<{ summary: [{ type: 'text'; text: string }]; provider: string; model: string }> {
+    this.summaryStarted.resolve(undefined)
+    await this.releaseSummary.promise
+    signal?.throwIfAborted()
+    return {
+      summary: [{ type: 'text', text: 'Keyless manual compaction checkpoint.' }],
+      provider: 'snapshot',
+      model: 'snapshot-compactor',
+    }
+  }
+}
+
+/** Seed between-turn model-visible history without inventing a loop execution. */
+function seedCompactableHistory(agent: Agent): void {
+  agent.inject(createUserMessage({
+    content: [{ type: 'text', text: 'Older snapshot context. '.repeat(60) }],
+    source: { kind: 'plugin', plugin: 'snapshot-seed' },
+  }))
+}
 
 function snapshotDisplayPath(displayPath: string, cwd: string, displayCwd: string): string {
   const rel = relative(cwd, displayPath)
@@ -161,10 +220,15 @@ function scenarioDir(scenario: Scenario): string {
   return join(SNAPSHOTS_DIR, scenario.name)
 }
 
+/** Directory owning the replay fixture: the scenario's own, or the one it derives from. */
+function fixtureDir(scenario: Scenario): string {
+  return join(SNAPSHOTS_DIR, scenario.fixture ?? scenario.name)
+}
+
 function childFixturePaths(scenario: Scenario): string[] {
   return Array.from(
     { length: scenario.childSessions ?? 0 },
-    (_, index) => join(scenarioDir(scenario), `session.${index + 1}.jsonl`),
+    (_, index) => join(fixtureDir(scenario), `session.${index + 1}.jsonl`),
   )
 }
 
@@ -206,6 +270,24 @@ async function settleTerminal(terminal: HeadlessTerminal): Promise<void> {
   if (stable < 3) throw new Error('TUI frames did not quiesce within 200ms')
 }
 
+/** Bound deterministic in-process coordination waits with actionable state. */
+async function snapshotDeadline<T>(
+  operation: Promise<T>,
+  detail: () => string,
+): Promise<T> {
+  let timer: ReturnType<typeof setTimeout> | undefined
+  try {
+    return await Promise.race([
+      operation,
+      new Promise<never>((_resolve, reject) => {
+        timer = setTimeout(() => { reject(new Error(detail())) }, 5_000)
+      }),
+    ])
+  } finally {
+    if (timer !== undefined) clearTimeout(timer)
+  }
+}
+
 async function mountScenarioContext(
   scenario: Scenario,
   cwd: string,
@@ -232,6 +314,9 @@ async function mountScenarioContext(
     skills: { local: { agentsHome: join(cwd, '.agents') } },
   })
   await ctx.plugin(TokenMeterService)
+  if (scenario.manualCompact === true) {
+    await ctx.plugin(DeferredSnapshotCompactService, { auto: false })
+  }
   await ctx.plugin(LocalSubprocessService)
   await ctx.plugin(LocalBashExecutor, { cwd, timeoutMs: 30_000 })
   await ctx.plugin(SnapshotLocalFileSystem, { cwd: '/' })
@@ -249,6 +334,7 @@ async function mountScenarioContext(
   await ctx.plugin(ToolWorkflow)
   await ctx.plugin(ToolRalph)
   await ctx.plugin(CommandService)
+  if (scenario.manualCompact === true) await ctx.plugin(CommandCompact)
   if (scenario.enterPlanMode === true) {
     await ctx.plugin(PlanModeService, { section: 'Snapshot plan mode instructions.' })
   }
@@ -276,9 +362,9 @@ interface ScenarioResult {
 }
 
 async function runScenario(scenario: Scenario): Promise<ScenarioResult> {
-  const clock = vi.spyOn(Date, 'now').mockReturnValue(new Date(2026, 6, 21, 12, 0, 0).getTime())
-  const dir = scenarioDir(scenario)
-  const fixtureFile = join(dir, 'session.jsonl')
+  const snapshotTime = new Date(2026, 6, 21, 12, 0, 0).getTime()
+  const clock = vi.spyOn(Date, 'now').mockReturnValue(snapshotTime)
+  const fixtureFile = join(fixtureDir(scenario), 'session.jsonl')
   const childFiles = childFixturePaths(scenario)
   const prompts = userPrompts(await readFile(fixtureFile, 'utf8'))
   if (scenario.interaction === undefined) {
@@ -292,7 +378,7 @@ async function runScenario(scenario: Scenario): Promise<ScenarioResult> {
   const terminal = new HeadlessTerminal(100, 36)
   try {
     if (scenario.seedWorkspace === true) {
-      const source = join(scenarioDir(scenario), 'workspace')
+      const source = join(fixtureDir(scenario), 'workspace')
       await cp(source, cwd, { recursive: true })
     }
     ctx = await mountScenarioContext(scenario, cwd, displayCwd, fixtureFile, childFiles)
@@ -308,6 +394,7 @@ async function runScenario(scenario: Scenario): Promise<ScenarioResult> {
       agentOptions: { provider: 'deepseek-official', model: 'deepseek-v4-flash' },
     })
     const agent: Agent = handle.agent
+    if (scenario.manualCompact === true) seedCompactableHistory(agent)
     controller = createTuiChat(ctx, {
       sessionId: 'main-session',
       theme: { color: true },
@@ -380,6 +467,14 @@ async function runScenario(scenario: Scenario): Promise<ScenarioResult> {
     }
 
     let remainingPrompts = prompts
+    let queuedPrompt: string | undefined
+    let manualOrder: string[] | undefined
+    let manualCommandId: string | undefined
+    if (scenario.manualCompact === true) {
+      expect(prompts.length, 'queued manual compaction needs a second replayed prompt').toBeGreaterThanOrEqual(2)
+      queuedPrompt = prompts.at(-1)
+      remainingPrompts = prompts.slice(0, -1)
+    }
     if (scenario.enterPlanMode === true) {
       const firstPrompt = prompts[0]!
       terminal.send(`/plan ${firstPrompt}`)
@@ -396,12 +491,93 @@ async function runScenario(scenario: Scenario): Promise<ScenarioResult> {
     }
 
     for (const prompt of remainingPrompts) {
+      const admitted = agent.session.events.filter(event =>
+        event.type === 'user/message' && event.data.source.kind === 'user').length
       terminal.send(prompt)
       terminal.send('\r')
+      await terminal.flush()
+      await expect.poll(() => agent.session.events.filter(event =>
+        event.type === 'user/message' && event.data.source.kind === 'user').length).toBe(admitted + 1)
       await agent.whenIdle()
       await settleTerminal(terminal)
     }
 
+    if (scenario.manualCompact === true && queuedPrompt !== undefined) {
+      terminal.send('/help')
+      terminal.send('\r')
+      await settleTerminal(terminal)
+      expect(await terminal.snapshot({ includeScrollback: true }))
+        .toContain('/compact — Compact older conversation history')
+
+      const compact = ctx.compact as DeferredSnapshotCompactService
+      const inbox: string[] = []
+      manualOrder = []
+      ctx.on('agent/inbox/enqueue', (subject, item) => {
+        if (subject === agent) inbox.push(`enqueue:${item.placement}:${item.id}`)
+      })
+      ctx.on('agent/inbox/dequeue', (subject, message) => {
+        if (subject === agent) inbox.push(`dequeue:${message.id}`)
+      })
+      ctx.on('session/event', (session, event) => {
+        if (session !== agent.session) return
+        if (event.type === 'command/run' && event.data.name === 'compact') {
+          manualCommandId = event.data.commandId
+          manualOrder?.push('command/run')
+        }
+        if (event.type === 'command/done' && event.data.commandId === manualCommandId) {
+          manualOrder?.push('command/done')
+        }
+        if (event.type.startsWith('compact/')) manualOrder?.push(event.type)
+        if (event.type === 'user/message'
+          && event.data.source.kind === 'plugin'
+          && event.data.source.plugin === 'compact') manualOrder?.push('checkpoint')
+        if (event.type === 'turn/start') manualOrder?.push(`turn/start:${event.data.trigger.kind}`)
+      })
+      ctx.on('session/flush', (session) => {
+        if (session === agent.session) manualOrder?.push('flush')
+      })
+
+      terminal.send('/compact')
+      terminal.send('\r')
+      await terminal.flush()
+      await snapshotDeadline(compact.summaryStarted.promise, () =>
+        `manual summary did not start; status=${agent.status}; tail=${
+          agent.session.events.slice(-8).map(event => event.type).join(',')
+        }`)
+      clock.mockReturnValue(snapshotTime + 1_000)
+      await settleTerminal(terminal)
+      await expect.poll(() => terminal.snapshot()).toContain('dsh ⊙')
+      await expect.poll(() => terminal.snapshot()).toContain('Context being compacted 1.0s')
+      const liveCompaction = await terminal.snapshot()
+      expect(liveCompaction.indexOf('Context being compacted 1.0s')).toBeLessThan(liveCompaction.indexOf('dsh ⊙'))
+      clock.mockReturnValue(snapshotTime)
+
+      // Real keystrokes: the prompt keeps its ordinary queue identity while
+      // admission is reserved, and an injection appends immediately.
+      terminal.send(queuedPrompt)
+      terminal.send('\r')
+      await terminal.flush()
+      await expect.poll(() => inbox.length).toBe(1)
+      agent.inject(createUserMessage({
+        content: [{ type: 'text', text: 'Injected while compaction was running.' }],
+        source: { kind: 'plugin', plugin: 'snapshot-injector' },
+      }))
+      expect(inbox[0]).toMatch(/^enqueue:queued:/u)
+      expect(agent.status).toBe('idle')
+      expect(agent.session.events.some(event => event.type === 'user/message'
+        && event.data.source.kind === 'user'
+        && event.data.content.some(block => block.type === 'text' && block.text === queuedPrompt))).toBe(false)
+
+      const idle = agent.whenIdle()
+      compact.releaseSummary.resolve(undefined)
+      await snapshotDeadline(idle, () =>
+        `manual compaction did not reach idle; status=${agent.status}; order=${manualOrder?.join(',') ?? ''}; tail=${
+          agent.session.events.slice(-12).map(event => event.type).join(',')
+        }`)
+      await settleTerminal(terminal)
+      expect(inbox).toEqual([inbox[0], `dequeue:${inbox[0]?.slice('enqueue:queued:'.length) ?? ''}`])
+    }
+
     const events: SessionEvent[] = [...agent.session.events]
     const firstHeader = events.find(event => event.type === 'request/header')
     expect(firstHeader?.type === 'request/header' && firstHeader.data.header.system)
@@ -437,6 +613,87 @@ async function runScenario(scenario: Scenario): Promise<ScenarioResult> {
       expect(events.filter(event => event.type === 'user/message' && event.data.source.kind === 'plugin').map(event => (event.data as { content: unknown }).content))
         .toContainEqual([{ type: 'text', text: 'The user switched this session back to the default mode.' }])
     }
+    if (scenario.manualCompact === true) {
+      const compactStart = events.find(event => event.type === 'compact/start')
+      const compactSummary = events.find(event => event.type === 'compact/summary')
+      const compactCheckpoint = events.find(event => event.type === 'user/message'
+        && event.data.source.kind === 'plugin' && event.data.source.plugin === 'compact')
+      const injectedEvent = events.find(event => event.type === 'user/message'
+        && event.data.source.kind === 'plugin' && event.data.source.plugin === 'snapshot-injector')
+      const compactEnd = events.find(event => event.type === 'compact/end')
+      expect(compactStart?.data.turn).toBeNull()
+      expect(compactEnd?.data.turn).toBeNull()
+      expect(events.filter(event => event.type === 'compact/summary')).toHaveLength(1)
+      if (compactStart === undefined || compactSummary === undefined
+        || compactCheckpoint === undefined || injectedEvent === undefined
+        || compactEnd === undefined) {
+        throw new Error('manual compaction snapshot is missing its durable marker, summary, checkpoint, or injection')
+      }
+      // The markers are time points, not an exclusive container: unrelated
+      // idle injection is allowed between them while the selected span stays stable.
+      expect(compactStart.seq).toBeLessThan(injectedEvent.seq)
+      expect(injectedEvent.seq).toBeLessThan(compactSummary.seq)
+      expect(compactSummary.seq).toBeLessThan(compactCheckpoint.seq)
+      expect(compactCheckpoint.seq).toBeLessThan(compactEnd.seq)
+
+      const manualTimeline = manualOrder ?? []
+      const commandRunIndex = manualTimeline.indexOf('command/run')
+      const compactStartIndex = manualTimeline.indexOf('compact/start')
+      const compactEndIndex = manualTimeline.indexOf('compact/end')
+      const firstFlushIndex = manualTimeline.indexOf('flush')
+      const queuedTurnIndex = manualTimeline.indexOf('turn/start:message')
+      const commandDoneIndex = manualTimeline.indexOf('command/done')
+      expect(manualTimeline.filter(item => item === 'command/run')).toHaveLength(1)
+      expect(manualTimeline.filter(item => item === 'command/done')).toHaveLength(1)
+      expect(compactStartIndex).toBeGreaterThan(commandRunIndex)
+      expect(compactEndIndex).toBeGreaterThan(compactStartIndex)
+      expect(firstFlushIndex).toBeGreaterThan(compactEndIndex)
+      expect(queuedTurnIndex).toBeGreaterThan(firstFlushIndex)
+      expect(commandDoneIndex).toBeGreaterThan(firstFlushIndex)
+
+      const commandRun = events.find(event => event.type === 'command/run'
+        && event.data.name === 'compact')
+      const commandRunId = commandRun?.type === 'command/run'
+        ? commandRun.data.commandId
+        : undefined
+      const commandDone = events.find(event => event.type === 'command/done'
+        && event.data.commandId === commandRunId)
+      expect(commandRun?.type === 'command/run' && commandRun.data).toEqual({
+        commandId: commandRunId,
+        name: 'compact',
+        args: '',
+        source: { kind: 'user' },
+      })
+      expect(commandDone?.type === 'command/done' && commandDone.data).toEqual({
+        commandId: commandRunId,
+        kind: 'success',
+        text: 'Compacted 2 history items (~387 tokens).',
+      })
+      expect(commandRun !== undefined && commandRun.seq < compactStart.seq).toBe(true)
+      expect(commandDone !== undefined && commandDone.seq > compactEnd.seq).toBe(true)
+      expect(agent.session.surface.nodes).not.toContain(commandRun?.seq)
+      expect(agent.session.surface.nodes).not.toContain(commandDone?.seq)
+
+      // The command line itself never becomes a prompt.
+      expect(events.some(event => event.type === 'user/message'
+        && event.data.source.kind === 'user'
+        && event.data.content.some(block => block.type === 'text' && block.text.trim() === '/compact'))).toBe(false)
+      const derived = agent.session.deriveMessages().map(message => message.content
+        .map(block => block.type === 'text' ? block.text : '')
+        .join(''))
+      const checkpoint = derived.findIndex(text => text.includes('Keyless manual compaction checkpoint.'))
+      const injected = derived.findIndex(text => text.includes('Injected while compaction was running.'))
+      const queued = derived.findIndex(text => text === queuedPrompt)
+      expect(checkpoint).toBe(0)
+      expect(injected).toBeGreaterThan(checkpoint)
+      expect(queued).toBeGreaterThan(injected)
+      expect(derived).not.toContain('/compact')
+      expect(derived).not.toContain('Compacted 2 history items (~387 tokens).')
+      expect(derived.filter(text => text.includes('Injected while compaction was running.'))).toHaveLength(1)
+      expect(compactSummary.data.shadowedSeqs).not.toContain(injectedEvent.seq)
+      const queuedTurn = events.findLast(event => event.type === 'turn/start')
+      expect(queuedTurn !== undefined && compactEnd.seq < queuedTurn.seq).toBe(true)
+    }
     if (scenario.spillMaxInlineBytes !== undefined) {
       // The REAL pipeline ran (tools execute on replay too): the durable
       // dispatch copy is bounded to a preview + locator under the run cwd,
@@ -514,7 +771,23 @@ describe('TUI recorded-session terminal snapshots', () => {
 })
 
 afterAll(async () => {
-  expect([...observedScenarios].sort()).toEqual(SCENARIOS.map(scenario => scenario.name).sort())
+  const scenarioNames = SCENARIOS.map(scenario => scenario.name).sort()
+  const observedNames = [...observedScenarios].sort()
+  if (TEST_NAME_FILTERED) {
+    expect(observedNames).not.toHaveLength(0)
+    expect(scenarioNames).toEqual(expect.arrayContaining(observedNames))
+  } else {
+    expect(observedNames).toEqual(scenarioNames)
+  }
+  for (const [index, scenario] of SCENARIOS.entries()) {
+    if (scenario.fixture === undefined) continue
+    const sourceIndex = SCENARIOS.findIndex(candidate => candidate.name === scenario.fixture)
+    expect(sourceIndex, `${scenario.name} fixture source ${scenario.fixture} must exist`).toBeGreaterThanOrEqual(0)
+    expect(sourceIndex, `${scenario.name} fixture source must precede it`).toBeLessThan(index)
+    const source = SCENARIOS[sourceIndex]
+    expect(source?.fixture, `${scenario.name} fixture source must own its replay files`).toBeUndefined()
+    expect(source?.recorded, `${scenario.name} fixture source must be recordable`).toBe(true)
+  }
   const directories = (await readdir(SNAPSHOTS_DIR, { withFileTypes: true }))
     .filter(entry => entry.isDirectory())
     .map(entry => entry.name)
@@ -522,14 +795,14 @@ afterAll(async () => {
   expect(directories).toEqual(SCENARIOS.map(scenario => scenario.name).sort())
   for (const scenario of SCENARIOS) {
     const expected = [
-      'session.jsonl',
+      ...scenario.fixture === undefined ? ['session.jsonl'] : [],
       'terminal.expected.txt',
-      ...scenario.seedWorkspace === true ? ['workspace'] : [],
+      ...scenario.seedWorkspace === true && scenario.fixture === undefined ? ['workspace'] : [],
       ...Array.from({ length: scenario.childSessions ?? 0 }, (_, index) => `session.${index + 1}.jsonl`),
     ].sort()
     expect((await readdir(scenarioDir(scenario))).sort()).toEqual(expected)
     for (const fixture of ['session.jsonl', ...childFixturePaths(scenario).map(path => basename(path))]) {
-      const content = await readFile(join(scenarioDir(scenario), fixture), 'utf8')
+      const content = await readFile(join(fixtureDir(scenario), fixture), 'utf8')
       expect(scrubRequestHeaders(content), `${scenario.name}/${fixture} carries request-header bulk`).toBe(content)
     }
   }
diff --git a/apps/web/tests/access-confirmation.e2e.ts b/apps/web/tests/access-confirmation.e2e.ts
new file mode 100644
index 0000000000..fae329362b
--- /dev/null
+++ b/apps/web/tests/access-confirmation.e2e.ts
@@ -0,0 +1,108 @@
+// Web e2e scenario: every visible permission picker gates Full access behind
+// the same locale-aware, in-page risk confirmation. Zero model calls: the
+// scenario boots the shipped Web composition and exercises the real
+// permission projection, client command path, HTTP RPC, and pushed update.
+import { mkdirSync } from 'node:fs'
+import { fileURLToPath } from 'node:url'
+import { join } from 'node:path'
+import type { Browser, Page } from 'playwright'
+import { chromium } from 'playwright'
+import { afterAll, beforeAll, describe, expect, it, onTestFailed } from 'vitest'
+import {
+  assertFixtureInventory, captureStableAria, compareOrRefreshGolden,
+  launchWebScaffold, watchConsole, webSnapshotMode, type WebScaffold,
+} from './scaffold.ts'
+import { ZH_BROWSER_LOCALE, saveFailureShot } from './support.ts'
+
+/**
+ * connectFreshWorkspace twin over the product default Chinese locale (the
+ * shared helper's anchors assume the English page every other scenario
+ * boots; this scenario deliberately keeps zh, so the localized picker
+ * copy is the anchor set).
+ */
+async function connectFreshWorkspaceZh(page: Page, root: string, name = 'workspace'): Promise<void> {
+  mkdirSync(join(root, name), { recursive: true })
+  await page.getByRole('button', { name: '选择工作区' }).click()
+  const dialog = page.getByRole('dialog', { name: '选择工作区目录' })
+  await dialog.waitFor({ timeout: 10_000 })
+  await dialog.getByRole('button', { name: '编辑路径' }).click()
+  const pathInput = dialog.getByRole('textbox', { name: '编辑路径' })
+  await pathInput.fill(join(root, name))
+  await pathInput.press('Enter')
+  await dialog.getByRole('button', { name: '打开', exact: true }).click()
+  await page.locator('textarea:enabled[placeholder="描述你想要构建的内容"]')
+    .waitFor({ timeout: 15_000 })
+}
+
+const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/access-confirmation', import.meta.url))
+const UI_EXPECTED = join(SNAPSHOT_DIR, 'ui.expected.md')
+const MODE = webSnapshotMode()
+
+describe('web e2e: Full access confirmation', () => {
+  let scaffold: WebScaffold
+  let browser: Browser
+  let page: Page
+  let tripwire: ReturnType<typeof watchConsole>
+
+  beforeAll(async () => {
+    scaffold = await launchWebScaffold({})
+    // CI uses Playwright's pinned browser. A developer may point this one
+    // scenario at an installed Chromium when the matching browser download
+    // is temporarily unavailable.
+    const executablePath = process.env.DSH_PLAYWRIGHT_EXECUTABLE_PATH
+    browser = await chromium.launch(executablePath === undefined ? {} : { executablePath })
+    // Keep the product default Chinese locale: the golden pins the actual
+    // registered dictionary rather than a test-local translation callback.
+    page = await browser.newPage({ viewport: { width: 1680, height: 1000 }, locale: ZH_BROWSER_LOCALE })
+    tripwire = watchConsole(page)
+    await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
+    await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
+    await connectFreshWorkspaceZh(page, scaffold.workspaceCwd)
+  }, 120_000)
+
+  afterAll(async () => {
+    await browser?.close()
+    await scaffold?.close()
+  })
+
+  it('requires acknowledgement before the composer picker can enable Full access', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-full-access-confirmation'))
+    const access = page.locator('button[aria-label^="访问模式"]').first()
+    await access.waitFor({ timeout: 10_000 })
+
+    // Normalize the starting preset through the real command path. The
+    // shipped web config may already start at Full access.
+    if ((await access.getAttribute('aria-label'))?.endsWith('Full access') === true) {
+      await access.click()
+      await page.getByRole('menuitem', { name: 'Workspace Write' }).click()
+      await expect.poll(() => access.getAttribute('aria-label'), { timeout: 10_000 })
+        .toBe('访问模式，当前：Workspace Write')
+    }
+
+    await access.click()
+    await page.getByRole('menuitem', { name: 'Full access' }).click()
+    const dialog = page.getByRole('dialog', { name: '确认启用 Full access？' })
+    await dialog.waitFor({ timeout: 10_000 })
+    const enable = dialog.getByRole('button', { name: '启用 Full access' })
+    expect(await enable.isDisabled()).toBe(true)
+
+    // The modal is in this page's body (not a native/new window) and escapes
+    // the sticky composer's stacking context.
+    expect(await dialog.evaluate(node => node.parentElement?.parentElement === document.body)).toBe(true)
+    const snapshot = await captureStableAria(page, '[role="dialog"]', scaffold.workspaceCwd)
+    await compareOrRefreshGolden(UI_EXPECTED, snapshot, MODE)
+
+    await dialog.getByRole('checkbox', { name: '我已了解风险，并愿意继续' }).check()
+    expect(await enable.isEnabled()).toBe(true)
+    await enable.click()
+    await expect.poll(() => access.getAttribute('aria-label'), { timeout: 10_000 })
+      .toBe('访问模式，当前：Full access')
+    expect(await dialog.count()).toBe(0)
+    expect(tripwire.pageErrors).toEqual([])
+  }, 60_000)
+
+  it('keeps its snapshot inventory closed', async () => {
+    expect(tripwire.warnings).toEqual([])
+    await assertFixtureInventory(SNAPSHOT_DIR, ['ui.expected.md'])
+  })
+})
diff --git a/apps/web/tests/approval-composer.e2e.ts b/apps/web/tests/approval-composer.e2e.ts
index b66277e0b2..7a2a684765 100644
--- a/apps/web/tests/approval-composer.e2e.ts
+++ b/apps/web/tests/approval-composer.e2e.ts
@@ -61,7 +61,7 @@ describe('web e2e: approval takeover keeps its actions reachable', () => {
     tripwire = watchConsole(page)
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
   }, 120_000)
 
   afterAll(async () => {
diff --git a/apps/web/tests/built-boot.snapshot.ts b/apps/web/tests/built-boot.snapshot.ts
index 0bac8a2eb8..d2f6d913dd 100644
--- a/apps/web/tests/built-boot.snapshot.ts
+++ b/apps/web/tests/built-boot.snapshot.ts
@@ -111,6 +111,44 @@ it('boots the built plugin graph and renders a fixture session end to end', asyn
     expect(document.querySelector('[data-sample="bash-global"]')).not.toBeNull()
   }, { timeout: 10_000 })
 
+  // The write/edit turns render a real diff card through the assembled graph
+  // (the keyed FileMutationRow composing ToolRow + DiffBlock), not just the
+  // fixture's raw text. The card is collapsed by default, so expand each edit/
+  // write row first. The write turn's `hello fixture\n` proves the terminator
+  // rule end to end: a trailing newline terminates its line, so the footer reads
+  // `+1` (not a phantom `+2`) and one distinct file. The `+ ` prefix is a CSS
+  // ::before, so it is absent from textContent — assert on the line body and the
+  // footer.
+  const mutationRows = [...document.querySelectorAll('[data-variant="write"],[data-variant="edit"]')]
+  expect(mutationRows.length).toBeGreaterThan(0)
+  for (const row of mutationRows) {
+    const toggle = row.querySelector('[data-expandable]')
+    if (toggle !== null) act(() => { fireEvent.click(toggle) })
+  }
+  const diffCards = [...document.querySelectorAll('[data-diff]')]
+  expect(diffCards.length).toBeGreaterThan(0)
+  const footers = diffCards.map(card => card.textContent ?? '')
+  expect(footers.some(text => text.includes('hello fixture') && text.includes('+1 -0 · 1 file'))).toBe(true)
+
+  // The web render intent reaches the assembled boot graph: the fixture's
+  // web_search / web_fetch turns render their keyed WebRow cards, proving the
+  // registration, wire projection, and card rendering survive the real bundle
+  // path (not just the per-package src benches). WebRow composes ToolRow, so the
+  // card is collapsed behind the row; the keyed row is pinned by its `data-tool`
+  // (ToolRow sets it from the wire tool name).
+  const webSearchRow = await waitFor(() => {
+    const row = document.querySelector('[data-tool="web_search"]')
+    expect(row).not.toBeNull()
+    expect(document.querySelector('[data-tool="web_fetch"]')).not.toBeNull()
+    return row!
+  }, { timeout: 10_000 })
+  // Expand the web_search row to prove its WebBlock card renders end to end.
+  const webToggle = webSearchRow.querySelector('[data-expandable]')
+  if (webToggle !== null) act(() => { fireEvent.click(webToggle) })
+  await waitFor(() => {
+    expect(webSearchRow.querySelector('[data-web]')).not.toBeNull()
+  }, { timeout: 10_000 })
+
   // Every bundle injected its plugin-owned style tag (the loader's CSS path).
   const styleOwners = [...document.head.querySelectorAll('style[data-plugin]')]
     .map(style => style.getAttribute('data-plugin'))
diff --git a/apps/web/tests/code-mode-round.e2e.ts b/apps/web/tests/code-mode-round.e2e.ts
index 78f27acaca..6a0379de94 100644
--- a/apps/web/tests/code-mode-round.e2e.ts
+++ b/apps/web/tests/code-mode-round.e2e.ts
@@ -49,7 +49,7 @@ describe('web e2e: Code Mode round renders nested sub-calls', () => {
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
     // Fresh world: connect a Workspace so the composer scenarios start live.
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
   }, 120_000)
 
   afterAll(async () => {
diff --git a/apps/web/tests/composer-draft-scroll.e2e.ts b/apps/web/tests/composer-draft-scroll.e2e.ts
new file mode 100644
index 0000000000..e7dc1da238
--- /dev/null
+++ b/apps/web/tests/composer-draft-scroll.e2e.ts
@@ -0,0 +1,397 @@
+// Web e2e scenario: a composer draft longer than the 14-line cap scrolls its
+// GLYPHS, not just its caret.
+//
+// The composer paints its text in two stacked layers (see
+// packages/client/ui-conversation/src/client/skeleton/InputBar.module.css): the
+// `<textarea>` carries the value, the selection and the caret but renders its
+// own glyphs `color: transparent`, and every visible character is painted by the
+// `[data-input-backdrop]` div underneath it, which also carries the claim-token
+// highlight, the chips and the ghost hint. The backdrop is `position: absolute;
+// inset: 0; overflow: hidden` — it is CLIPPED, not scrolled, and nothing in the
+// browser links its scroll offset to the textarea's.
+//
+// So past the cap the textarea scrolled and the words did not: the caret walked
+// off the bottom of a block of text frozen at line 1, and no gesture — wheel,
+// drag, arrow key — moved it. `InputBar` now mirrors the offset onto the
+// backdrop on every textarea `scroll`, which is the one event every way of
+// moving the box ends in.
+//
+// Mirroring an offset is only correct while both layers can reach it, so the
+// geometry underneath is asserted here alongside the visible outcome: the
+// backdrop's trailing-line sentinel (a textarea reserves a line box for the
+// caret after a final newline; `pre-wrap` collapses one), and one wrap width
+// across all three layers (only the textarea scrolls, so only it can lose
+// width to a scrollbar that consumes layout space). Either breaks the extent
+// equality, and an unreachable offset clamps the glyphs below the caret.
+//
+// Only a real engine can show this. Scrolling is layout: jsdom reports
+// `scrollHeight === clientHeight` for every element and never scrolls one, so
+// the unit spec in packages/client/ui-conversation/tests/input-bar.spec.tsx has
+// to stub both offsets and can only prove the mirroring code path runs. What is
+// asserted here instead is the user-visible fact that path exists for — after
+// scrolling to the end of a long draft, the LAST line is the one on screen —
+// measured with a DOM Range over the backdrop's own text.
+//
+// Zero model calls: a fresh workspace's blank session already carries a live
+// composer, and the scenario only types into it. A stray stream would fail loud
+// with NO_ADAPTER.
+import { fileURLToPath } from 'node:url'
+import { join } from 'node:path'
+import type { Browser, Page } from 'playwright'
+import { chromium } from 'playwright'
+import { afterAll, beforeAll, describe, expect, it, onTestFailed } from 'vitest'
+import {
+  assertFixtureInventory, compareOrRefreshGolden, launchWebScaffold, watchConsole,
+  webSnapshotMode, type WebScaffold,
+} from './scaffold.ts'
+import { connectFreshWorkspace, newEnglishPage, saveFailureShot } from './support.ts'
+
+const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/composer-draft-scroll', import.meta.url))
+/**
+ * Committed golden of the composer's two-layer scroll geometry. The change
+ * alters no DOM and no accessible name, so the aria goldens the other scenarios
+ * commit are byte-identical with and without it; this records the relations
+ * instead, which makes a shift in the cap or in the layer coupling a reviewable
+ * diff rather than an assertion someone has to reconstruct.
+ */
+const GEOMETRY_EXPECTED = join(SNAPSHOT_DIR, 'geometry.expected.md')
+const MODE = webSnapshotMode()
+
+/** Marks the first and last line so a Range can find them in the backdrop's text. */
+const FIRST_MARKER = 'FIRST-LINE-MARKER'
+const LAST_MARKER = 'LAST-LINE-MARKER'
+/** Comfortably past the 14-line cap, so the draft overflows however the lines wrap. */
+const DRAFT_LINES = 40
+const DRAFT = Array.from({ length: DRAFT_LINES }, (_unused, index) => {
+  if (index === 0) return FIRST_MARKER
+  if (index === DRAFT_LINES - 1) return LAST_MARKER
+  return `draft line ${String(index + 1).padStart(2, '0')}`
+}).join('\n')
+
+/**
+ * A draft ending in a newline: the shape whose layer extents diverge without
+ * the backdrop's trailing-line sentinel. A textarea reserves a line box for the
+ * caret after a final newline; `white-space: pre-wrap` collapses a text node's
+ * trailing newline and generates none, so the backdrop would come out exactly
+ * one line shorter and the mirrored offset would clamp a line above the caret.
+ */
+const DRAFT_TRAILING_NEWLINE = `${DRAFT}\n`
+
+/** The composer's two text layers as the browser lays them out. */
+interface ComposerMetrics {
+  /** True when the draft is taller than the capped box — the situation under test. */
+  overflows: boolean
+  /** Visible height of the textarea's content box: the cap in pixels. */
+  clientHeight: number
+  /** Whole lines that fit in the visible box, at the composer's own line-height. */
+  visibleLines: number
+  /** The textarea's scroll offset, which the caret and the selection follow. */
+  inputScrollTop: number
+  /** The backdrop's scroll offset, which every visible glyph follows. */
+  backdropScrollTop: number
+  /** True when the two layers agree — the coupling this scenario exists for. */
+  layersAgree: boolean
+  /**
+   * Top of the LAST draft line relative to the visible box's top, in pixels: at
+   * most `clientHeight` when that line is on screen. This is the reported
+   * symptom as a number — with the layers uncoupled the backdrop stays at offset
+   * 0, so the last line sits a full draft-height below the box.
+   */
+  lastLineOffset: number
+  /** Top of the FIRST draft line relative to the visible box's top: negative once it has scrolled out. */
+  firstLineOffset: number
+  /** Furthest the textarea can scroll. */
+  inputMax: number
+  /** Furthest the backdrop can scroll — equal to `inputMax`, or the mirror clamps below the caret. */
+  backdropMax: number
+  /** Content width the textarea wraps at. */
+  inputWrapWidth: number
+  /** Content width the backdrop wraps at — equal, or the layers break lines in different places. */
+  backdropWrapWidth: number
+  /** Content width the hidden auto-grow mirror wraps at — it decides the box's height. */
+  mirrorWrapWidth: number
+}
+
+/**
+ * Measure both composer layers in the page.
+ * @param page - the page under test.
+ * @returns the two layers' offsets and where the draft's first and last lines sit.
+ */
+function measureComposer(page: Page): Promise<ComposerMetrics> {
+  return page.evaluate(({ first, last }) => {
+    const input = document.querySelector<HTMLTextAreaElement>('textarea:enabled')
+    if (input === null) throw new Error('no live composer textarea in the DOM')
+    const backdrop = input.parentElement?.querySelector<HTMLElement>('[data-input-backdrop]')
+    if (backdrop === undefined || backdrop === null) throw new Error('no decoration backdrop beside the composer textarea')
+    // The hidden auto-grow mirror: the textarea's next sibling, and the layer
+    // that decides the box's height, so its wrap width matters as much as the
+    // two that carry glyphs.
+    const mirror = input.nextElementSibling
+    if (!(mirror instanceof HTMLElement)) throw new Error('no auto-grow mirror after the composer textarea')
+    const box = input.getBoundingClientRect()
+    // The draft carries no chips or claim token, so the decoration walk emits it
+    // as one text node — the backdrop's first, ahead of the trailing-line
+    // sentinel React renders as a second one. Both markers live in that first
+    // node, which is what the Range below needs.
+    const text = backdrop.firstChild
+    if (!(text instanceof Text)) throw new Error('backdrop does not open with a plain text node')
+    const offsetOf = (marker: string): number => {
+      const at = text.data.indexOf(marker)
+      if (at < 0) throw new Error(`marker ${marker} missing from the backdrop text`)
+      const range = document.createRange()
+      range.setStart(text, at)
+      range.setEnd(text, at + marker.length)
+      return range.getBoundingClientRect().top - box.top
+    }
+    const lineHeight = Number.parseFloat(getComputedStyle(input).lineHeight)
+    // Each layer's own maximum, probed by asking for an impossible offset and
+    // reading back what it clamped to, then restored. Reading scrollHeight -
+    // clientHeight instead would compute the maximum rather than observe it.
+    const restore = input.scrollTop
+    const restoreBackdrop = backdrop.scrollTop
+    input.scrollTop = 1e7
+    backdrop.scrollTop = 1e7
+    const inputMax = input.scrollTop
+    const backdropMax = backdrop.scrollTop
+    input.scrollTop = restore
+    backdrop.scrollTop = restoreBackdrop
+    return {
+      inputMax,
+      backdropMax,
+      inputWrapWidth: input.clientWidth,
+      backdropWrapWidth: backdrop.clientWidth,
+      mirrorWrapWidth: mirror.clientWidth,
+      overflows: input.scrollHeight > input.clientHeight,
+      clientHeight: input.clientHeight,
+      visibleLines: Math.floor(input.clientHeight / lineHeight),
+      inputScrollTop: input.scrollTop,
+      backdropScrollTop: backdrop.scrollTop,
+      layersAgree: input.scrollTop === backdrop.scrollTop,
+      lastLineOffset: offsetOf(last),
+      firstLineOffset: offsetOf(first),
+    }
+  }, { first: FIRST_MARKER, last: LAST_MARKER })
+}
+
+/**
+ * Render the golden body.
+ *
+ * Absolute glyph coordinates are deliberately absent: they depend on font
+ * metrics and would make the fixture fail on a machine that measures text
+ * differently — a golden that needs re-recording per platform documents the
+ * platform, not the change. What is recorded is the cap, the layer agreement,
+ * and which lines are on screen, each a comparison that survives any layout
+ * keeping the coupling.
+ * @param top - metrics with the draft scrolled to its start.
+ * @param bottom - metrics with the draft scrolled to its end.
+ * @param trailingNewline - metrics with the trailing-newline draft scrolled to its end.
+ * @returns the golden body, without a trailing newline.
+ */
+function renderGeometry(top: ComposerMetrics, bottom: ComposerMetrics, trailingNewline: ComposerMetrics): string {
+  return [
+    '# Composer draft scrolling (14-line cap, two text layers)',
+    '',
+    '## At the start of the draft',
+    '',
+    `- draft overflows the capped box: ${String(top.overflows)}`,
+    `- visible lines: ${String(top.visibleLines)}`,
+    `- both layers share one scroll extent: ${String(top.inputMax === top.backdropMax)}`,
+    `- all three layers wrap at one width: ${String(
+      top.inputWrapWidth === top.backdropWrapWidth && top.backdropWrapWidth === top.mirrorWrapWidth,
+    )}`,
+    `- textarea scroll offset: ${String(top.inputScrollTop)}px`,
+    `- glyph layer tracks it: ${String(top.layersAgree)}`,
+    `- first draft line is on screen: ${String(top.firstLineOffset >= 0 && top.firstLineOffset < top.clientHeight)}`,
+    `- last draft line is on screen: ${String(top.lastLineOffset >= 0 && top.lastLineOffset < top.clientHeight)}`,
+    '',
+    '## Scrolled to the end of the draft',
+    '',
+    `- textarea moved: ${String(bottom.inputScrollTop > 0)}`,
+    `- glyph layer tracks it: ${String(bottom.layersAgree)}`,
+    `- first draft line has scrolled out above: ${String(bottom.firstLineOffset < 0)}`,
+    `- last draft line is on screen: ${String(bottom.lastLineOffset >= 0 && bottom.lastLineOffset < bottom.clientHeight)}`,
+    '',
+    '## Draft ending in a newline, scrolled to the end',
+    '',
+    `- both layers share one scroll extent: ${String(trailingNewline.inputMax === trailingNewline.backdropMax)}`,
+    `- glyph layer tracks the caret: ${String(trailingNewline.layersAgree)}`,
+    `- last draft line is on screen: ${String(trailingNewline.lastLineOffset >= 0 && trailingNewline.lastLineOffset < trailingNewline.clientHeight)}`,
+  ].join('\n').trimEnd()
+}
+
+describe('web e2e: composer draft scrolling', () => {
+  let scaffold: WebScaffold
+  let browser: Browser
+  let page: Page
+  let tripwire: ReturnType<typeof watchConsole>
+
+  beforeAll(async () => {
+    scaffold = await launchWebScaffold({})
+    browser = await chromium.launch()
+    page = await newEnglishPage(browser)
+    tripwire = watchConsole(page)
+    await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
+    await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
+    await connectFreshWorkspace(page, scaffold.workspaceCwd, 'composer-draft-scroll')
+    await page.locator('textarea:enabled').first().fill(DRAFT)
+  }, 180_000)
+
+  afterAll(async () => {
+    await browser?.close()
+    await scaffold?.close()
+  })
+
+  it('caps the draft box and keeps both text layers at the start', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-top'))
+    // Vacuity guard: without an overflowing draft there is nothing to scroll and
+    // every assertion below holds trivially.
+    await expect.poll(async () => (await measureComposer(page)).overflows, { timeout: 10_000 }).toBe(true)
+    // Typing the draft left the caret — and the box — at its end, so reach the
+    // start by the same gesture a user would, and leave it there for the wheel
+    // case below.
+    await page.locator('textarea:enabled').first().hover()
+    await page.mouse.wheel(0, -2000)
+    await expect.poll(async () => (await measureComposer(page)).inputScrollTop, { timeout: 10_000 }).toBe(0)
+    const metrics = await measureComposer(page)
+    // The cap is the composer seat's `--dsh-composer-text-max-height` (336px =
+    // 14 x 24px lines). The count, not the pixels: it is the figma constant and
+    // survives a device-pixel-ratio change.
+    expect(metrics.visibleLines).toBe(14)
+    // Resting state: the draft's head is what a 40-line draft shows, and its
+    // tail is far below the box. Both layers sit at the origin, which is why the
+    // uncoupled build looks correct until something scrolls.
+    expect(metrics.inputScrollTop).toBe(0)
+    expect(metrics.layersAgree).toBe(true)
+    expect(metrics.firstLineOffset).toBeGreaterThanOrEqual(0)
+    expect(metrics.firstLineOffset).toBeLessThan(metrics.clientHeight)
+    expect(metrics.lastLineOffset).toBeGreaterThan(metrics.clientHeight)
+    expect(tripwire.pageErrors).toEqual([])
+  }, 60_000)
+
+  it('lays out all three text layers at one wrap width', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-wrap-width'))
+    // The premise under the mirror, asserted rather than assumed. Only .input
+    // scrolls, so only .input can lose content width to a scrollbar that
+    // consumes layout space; a narrower .input wraps a long draft onto more
+    // lines, ends up taller, and its larger maximum makes the mirrored offset
+    // clamp below the caret. Measured on a standalone harness, an 8px width
+    // difference is worth 2 to 5 lines on a wrap-sensitive draft.
+    //
+    // This holds on the lane's engine and is what a regression would break —
+    // it is NOT vacuous: measured on the same app, WebKit reports 768 against
+    // 776 here, which is the divergence the Agent Note records as a
+    // pre-existing, engine-specific limitation. The mirror is unaffected there
+    // today because the extents still agree; this assertion is what would
+    // notice if the lane's engine ever moved into the same state.
+    const metrics = await measureComposer(page)
+    expect(metrics.backdropWrapWidth).toBe(metrics.inputWrapWidth)
+    // The mirror decides the box height, so it belongs in the same equality —
+    // were it alone to wrap wider, the box would be measured too short and
+    // clip content before the 14-line cap, with every other assertion green.
+    expect(metrics.mirrorWrapWidth).toBe(metrics.inputWrapWidth)
+    expect(tripwire.pageErrors).toEqual([])
+  }, 60_000)
+
+  it('a wheel gesture over a long draft moves the words, not only the caret', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-wheel'))
+    const input = page.locator('textarea:enabled').first()
+    await input.hover()
+    // One delta past the whole draft: the textarea clamps at its own end, and
+    // the wheel-chaining handler leaves it native because the box is not yet at
+    // its edge when the gesture starts (the chaining itself is owned by the
+    // unit spec).
+    await page.mouse.wheel(0, 2000)
+    await expect.poll(async () => (await measureComposer(page)).inputScrollTop, { timeout: 10_000 })
+      .toBeGreaterThan(0)
+    const metrics = await measureComposer(page)
+    // The coupling, stated directly.
+    expect(metrics.layersAgree).toBe(true)
+    // The reported symptom, stated as what the user sees: the end of the draft
+    // is on screen and its beginning is not. On the uncoupled build the glyph
+    // layer stays at offset 0, so `lastLineOffset` is still a full draft below
+    // the box and `firstLineOffset` is still 0 — the text never moved.
+    expect(metrics.lastLineOffset).toBeGreaterThanOrEqual(0)
+    expect(metrics.lastLineOffset).toBeLessThan(metrics.clientHeight)
+    expect(metrics.firstLineOffset).toBeLessThan(0)
+    expect(tripwire.pageErrors).toEqual([])
+  }, 60_000)
+
+  it('typing at the end of a scrolled draft keeps the layers together', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-edit'))
+    // The other way the box moves. Typing at the caret — parked at the draft's
+    // end by the wheel gesture — scrolls it into view, which is a `scroll` like
+    // any other; this pins that an edit is not a separate case needing its own
+    // mirror, which is why one listener is the whole implementation.
+    const input = page.locator('textarea:enabled').first()
+    await input.press('End')
+    await input.pressSequentially(' tail')
+    const metrics = await measureComposer(page)
+    expect(metrics.layersAgree).toBe(true)
+    expect(metrics.lastLineOffset).toBeGreaterThanOrEqual(0)
+    expect(metrics.lastLineOffset).toBeLessThan(metrics.clientHeight)
+    expect(tripwire.pageErrors).toEqual([])
+  }, 60_000)
+
+  it('a draft ending in a newline scrolls to its true end, not a line above it', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-trailing-newline'))
+    // The layers reserve a final line box on different terms, so this shape is
+    // the one that separates equal extents from a mirror that clamps early.
+    const input = page.locator('textarea:enabled').first()
+    await input.fill(DRAFT_TRAILING_NEWLINE)
+    await expect.poll(async () => (await measureComposer(page)).overflows, { timeout: 10_000 }).toBe(true)
+    const extents = await measureComposer(page)
+    // The invariant the sentinel exists for. Without it the textarea measured
+    // 652 against the backdrop's 628 — one 24px line apart.
+    expect(extents.backdropMax).toBe(extents.inputMax)
+    await input.hover()
+    await page.mouse.wheel(0, 4000)
+    await expect.poll(async () => {
+      const m = await measureComposer(page)
+      return m.inputScrollTop === m.inputMax
+    }, { timeout: 10_000 }).toBe(true)
+    const bottom = await measureComposer(page)
+    // At the very bottom the glyphs are level with the caret, not a line behind.
+    expect(bottom.layersAgree).toBe(true)
+    expect(bottom.lastLineOffset).toBeGreaterThanOrEqual(0)
+    expect(bottom.lastLineOffset).toBeLessThan(bottom.clientHeight)
+    expect(tripwire.pageErrors).toEqual([])
+  }, 60_000)
+
+  it('matches the committed composer scroll geometry golden', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-composer-draft-scroll-golden'))
+    const input = page.locator('textarea:enabled').first()
+    // Restore the pristine draft (the edit case appended to it) and return to
+    // its start, both through ordinary gestures.
+    await input.fill(DRAFT)
+    await input.hover()
+    await page.mouse.wheel(0, -2000)
+    await expect.poll(async () => (await measureComposer(page)).inputScrollTop, { timeout: 10_000 }).toBe(0)
+    const top = await measureComposer(page)
+    await input.hover()
+    await page.mouse.wheel(0, 2000)
+    await expect.poll(async () => (await measureComposer(page)).inputScrollTop, { timeout: 10_000 })
+      .toBeGreaterThan(0)
+    const bottom = await measureComposer(page)
+    await input.fill(DRAFT_TRAILING_NEWLINE)
+    await input.hover()
+    await page.mouse.wheel(0, 4000)
+    await expect.poll(async () => {
+      const m = await measureComposer(page)
+      return m.inputScrollTop === m.inputMax
+    }, { timeout: 10_000 }).toBe(true)
+    const trailingNewline = await measureComposer(page)
+    await compareOrRefreshGolden(GEOMETRY_EXPECTED, renderGeometry(top, bottom, trailingNewline), MODE)
+    expect(tripwire.pageErrors).toEqual([])
+  }, 60_000)
+
+  it('commits exactly the fixtures it reads', async () => {
+    // Zero model calls, so the scenario records no session fixture: the geometry
+    // golden is the whole inventory.
+    await assertFixtureInventory(SNAPSHOT_DIR, ['geometry.expected.md'])
+  })
+
+  it.skipIf(MODE === 'record')('issued zero model calls and stayed clean', () => {
+    expect(tripwire.warnings).toEqual([])
+    expect(tripwire.pageErrors).toEqual([])
+  })
+})
diff --git a/apps/web/tests/cordis-tool-round.e2e.ts b/apps/web/tests/cordis-tool-round.e2e.ts
index c7427137bc..ac439bf9d8 100644
--- a/apps/web/tests/cordis-tool-round.e2e.ts
+++ b/apps/web/tests/cordis-tool-round.e2e.ts
@@ -64,7 +64,7 @@ describe('web e2e: Cordis tools use the generic row variants', () => {
     tripwire = watchConsole(page)
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
   }, 120_000)
 
   afterAll(async () => {
@@ -105,7 +105,8 @@ describe('web e2e: Cordis tools use the generic row variants', () => {
 
     const mountRow = page.locator('[data-tool="cordis_mount"]').filter({ hasText: 'Mount temporary Plugin' }).first()
     await mountRow.waitFor({ timeout: 10_000 })
-    await mountRow.locator('button[aria-expanded]').click()
+    // The whole summary row is the expand toggle (unified tool-row interaction).
+    await mountRow.locator('[aria-expanded]').first().click()
     await expect.poll(() => mountRow.locator('pre.shiki').textContent(), { timeout: 10_000 })
       .toContain(MOUNT_CODE)
 
diff --git a/apps/web/tests/core-web-profile.snapshot.ts b/apps/web/tests/core-web-profile.snapshot.ts
new file mode 100644
index 0000000000..58f2a34858
--- /dev/null
+++ b/apps/web/tests/core-web-profile.snapshot.ts
@@ -0,0 +1,84 @@
+import { writeFile } from 'node:fs/promises'
+import { join } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { afterAll, beforeAll, describe, expect, it } from 'vitest'
+import type { AgentHandle } from '@deepseek-ai/dsh-agent'
+import { CallId } from '@deepseek-ai/dsh-llm'
+import { SessionId } from '@deepseek-ai/dsh-session'
+import { launchWebScaffold, type WebScaffold } from './scaffold.ts'
+
+const CORE_WEB_OVERLAY = fileURLToPath(new URL('../../cli/config/core-web.cordis.yml', import.meta.url))
+
+describe('core Web profile', () => {
+  let scaffold: WebScaffold
+  let agentHandle: AgentHandle
+
+  beforeAll(async () => {
+    scaffold = await launchWebScaffold({
+      extraOverlayPath: CORE_WEB_OVERLAY,
+      toolsMode: 'native',
+    })
+    agentHandle = await scaffold.ctx.agents.create({
+      sessionId: SessionId('core-web-profile-smoke'),
+      meta: { cwd: scaffold.workspaceCwd },
+      agentOptions: { provider: 'deepseek-official', model: 'deepseek-v4-flash' },
+    })
+  })
+
+  afterAll(async () => {
+    const failures: unknown[] = []
+    await agentHandle?.dispose().catch((error: unknown) => failures.push(error))
+    await scaffold?.close().catch((error: unknown) => failures.push(error))
+    if (failures.length === 1) throw failures[0]
+    if (failures.length > 1) throw new AggregateError(failures, 'core Web profile smoke teardown failed')
+  })
+
+  it('boots and executes both tools through the shipped Web composition', async () => {
+    const seedPath = join(scaffold.workspaceCwd, 'profile-smoke.txt')
+    await writeFile(seedPath, 'CORE_WEB_EDITOR_OK\n')
+    const signal = new AbortController().signal
+    const bash = await scaffold.ctx.tools.execute({
+      signal,
+      callId: CallId('core-web-bash-smoke'),
+      name: 'bash',
+      arguments: { command: "printf 'CORE_WEB_BASH_OK\\n'" },
+      agent: agentHandle.agent,
+    })
+    const editor = await scaffold.ctx.tools.execute({
+      signal,
+      callId: CallId('core-web-editor-smoke'),
+      name: 'str_replace_editor',
+      arguments: { command: 'view', path: seedPath },
+      agent: agentHandle.agent,
+    })
+
+    const text = (result: typeof bash): string => result.content
+      .filter(block => block.type === 'text')
+      .map(block => block.text)
+      .join('')
+      .replaceAll(scaffold.workspaceCwd, '{{cwd}}')
+      .trimEnd()
+
+    expect({
+      tools: scaffold.ctx.tools.schemas().map(tool => tool.name),
+      bash: text(bash),
+      editor: text(editor),
+    }).toMatchInlineSnapshot(`
+      {
+        "bash": "CORE_WEB_BASH_OK",
+        "editor": "Here's the content of {{cwd}}/profile-smoke.txt with line numbers (which has a total of 2 lines):
+           1  CORE_WEB_EDITOR_OK
+           2",
+        "tools": [
+          "bash",
+          "str_replace_editor",
+        ],
+      }
+    `)
+
+    const entries = [...scaffold.ctx.loader.entries()]
+    expect(entries.find(entry => entry.options.id === 'persistent-bash')?.fiber).toBeDefined()
+    expect(entries.find(entry => entry.options.id === 'pty-local')?.fiber).toBeDefined()
+    expect(entries.find(entry => entry.options.id === 'str-replace-editor')?.fiber).toBeDefined()
+  })
+})
diff --git a/apps/web/tests/details-session-lifecycle.e2e.ts b/apps/web/tests/details-session-lifecycle.e2e.ts
index ce97cfb2a1..cb6c9ba914 100644
--- a/apps/web/tests/details-session-lifecycle.e2e.ts
+++ b/apps/web/tests/details-session-lifecycle.e2e.ts
@@ -80,7 +80,7 @@ describe.skipIf(MODE === 'record')('web e2e: details panel follows the current S
     tripwire = watchConsole(page)
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await appFrame(page).waitFor({ timeout: 30_000 })
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
   }, 120_000)
 
   afterAll(async () => {
diff --git a/apps/web/tests/lifecycle-chrome.e2e.ts b/apps/web/tests/lifecycle-chrome.e2e.ts
index d4d684b1de..e285b0f0ac 100644
--- a/apps/web/tests/lifecycle-chrome.e2e.ts
+++ b/apps/web/tests/lifecycle-chrome.e2e.ts
@@ -25,6 +25,8 @@ import { connectFreshWorkspace, newEnglishPage, saveFailureShot } from './suppor
 const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/lifecycle-chrome', import.meta.url))
 const FIXTURE = join(SNAPSHOT_DIR, 'session.jsonl')
 const HERO_EXPECTED = join(SNAPSHOT_DIR, 'hero.expected.md')
+const COMMAND_MENU_EXPECTED = join(SNAPSHOT_DIR, 'command-menu.expected.md')
+const PLAN_ACTIVE_EXPECTED = join(SNAPSHOT_DIR, 'plan-active.expected.md')
 // Post-reload golden: the same settled conversation rebuilt purely from
 // persistence + history — byte-equal rendering is exactly the recovery claim.
 const RELOADED_EXPECTED = join(SNAPSHOT_DIR, 'reloaded.expected.md')
@@ -48,7 +50,7 @@ describe('web e2e: lifecycle & chrome (workspace flow / reload / dark mode)', ()
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
     // Fresh world: connect a Workspace so the composer scenarios start live.
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
   }, 120_000)
 
   afterAll(async () => {
@@ -56,6 +58,88 @@ describe('web e2e: lifecycle & chrome (workspace flow / reload / dark mode)', ()
     await scaffold?.close()
   })
 
+  it.skipIf(MODE === 'record')('opens the shared slash menu from plus with only Command candidates', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-command-menu-launcher'))
+    const launcher = page.getByRole('button', { name: 'Commands' })
+    await launcher.click()
+    const menu = page.getByRole('listbox', { name: 'Trigger suggestions' })
+    await menu.waitFor({ timeout: 10_000 })
+    const snapshot = await captureStableAria(page, '[role="listbox"]', scaffold.workspaceCwd)
+    await compareOrRefreshGolden(COMMAND_MENU_EXPECTED, snapshot, MODE)
+    expect(snapshot).toContain('text: Commands')
+    expect(snapshot).not.toContain('text: Skills')
+    expect(snapshot).not.toContain('text: Subagents')
+    const launchedBox = await menu.boundingBox()
+    await page.locator('textarea').first().press('Escape')
+    await expect.poll(() => menu.count()).toBe(0)
+    const input = page.locator('textarea').first()
+    await input.fill('/')
+    await menu.waitFor({ timeout: 10_000 })
+    const typedBox = await menu.boundingBox()
+    expect(launchedBox).not.toBeNull()
+    expect(typedBox).not.toBeNull()
+    expect(Math.abs(launchedBox!.x - typedBox!.x)).toBeLessThan(1)
+    expect(Math.abs(
+      launchedBox!.y + launchedBox!.height - typedBox!.y - typedBox!.height,
+    )).toBeLessThan(1)
+    await input.fill('')
+    await expect.poll(() => menu.count()).toBe(0)
+  })
+
+  it.skipIf(MODE === 'record')('shows active Plan as the warn-state status action', async () => {
+    const activeScaffold = await launchWebScaffold()
+    const activePage = await newEnglishPage(browser)
+    const activeTripwire = watchConsole(activePage)
+    try {
+      await activePage.goto(activeScaffold.baseUrl, { waitUntil: 'load' })
+      await activePage.waitForSelector('[class*="frame"]', { timeout: 30_000 })
+      await connectFreshWorkspace(activePage, activeScaffold.workspaceCwd)
+      const input = activePage.locator('textarea').first()
+      await activePage.getByRole('button', { name: 'Commands' }).click()
+      const menu = activePage.getByRole('listbox', { name: 'Trigger suggestions' })
+      await menu.waitFor({ timeout: 10_000 })
+      await menu.getByRole('option', { name: 'plan Enter or leave plan mode' }).click()
+      await expect.poll(() => input.inputValue()).toBe('/plan ')
+      await input.press('Enter')
+      const planButton = activePage.getByRole('button', { name: 'Plan mode on, press to turn off' })
+      await planButton.waitFor({ timeout: 10_000 })
+      const planSnapshot = await captureStableAria(activePage, '[class*="frame"]', activeScaffold.workspaceCwd)
+      await compareOrRefreshGolden(PLAN_ACTIVE_EXPECTED, planSnapshot, MODE)
+      const planStyle = await planButton.evaluate((element) => {
+        const probe = document.createElement('span')
+        probe.style.color = 'var(--dsw-alias-state-warn-label)'
+        probe.style.backgroundColor = 'var(--dsw-alias-state-warn-tertiary)'
+        document.body.append(probe)
+        const actual = getComputedStyle(element)
+        const reference = getComputedStyle(probe)
+        const result = {
+          color: actual.color,
+          backgroundColor: actual.backgroundColor,
+          borderRadius: actual.borderRadius,
+          fontSize: actual.fontSize,
+          referenceColor: reference.color,
+          referenceBackgroundColor: reference.backgroundColor,
+        }
+        probe.remove()
+        return result
+      })
+      expect(planStyle.color).toBe(planStyle.referenceColor)
+      expect(planStyle.backgroundColor).toBe(planStyle.referenceBackgroundColor)
+      expect(planStyle.borderRadius).toBe('999px')
+      expect(planStyle.fontSize).toBe('13px')
+      await planButton.click()
+      await expect.poll(() => planButton.count()).toBe(0)
+      expect(activeTripwire.pageErrors).toEqual([])
+      expect(activeTripwire.warnings).toEqual([])
+    } catch (error) {
+      await saveFailureShot(activePage, 'web-e2e-plan-active').catch(() => undefined)
+      throw error
+    } finally {
+      await activePage.close()
+      await activeScaffold.close()
+    }
+  })
+
   it('sends the first prompt from the empty-state hero (all modes)', async () => {
     onTestFailed(() => saveFailureShot(page, 'web-e2e-lifecycle-send'))
     if (MODE !== 'record') {
@@ -88,10 +172,10 @@ describe('web e2e: lifecycle & chrome (workspace flow / reload / dark mode)', ()
     await expect.poll(() => page.getByText('1 session', { exact: true }).count(), { timeout: 15_000 }).toBeGreaterThanOrEqual(1)
     await expect.poll(() => page.locator('[role="treeitem"][aria-selected="true"]').count(), { timeout: 10_000 }).toBe(1)
     await expect.poll(() => page.getByText('LIGHTHOUSE', { exact: true }).count(), { timeout: 15_000 }).toBeGreaterThanOrEqual(1)
-    // Host: the session's durable header cwd is the workspace flow's
-    // create-by-name target (<workspaceRoot>/workspace, the composer's
-    // default draft name) — the proof the send went through workspace
-    // materialization rather than a bare default-cwd session.
+    // Host: the session's durable header cwd is the folder the workspace
+    // flow created and adopted (<workspaceCwd>/workspace) — the proof the
+    // send went through workspace materialization rather than a bare
+    // default-cwd session.
     const cwds = scaffold.ctx.sessions.list().map(session => session.header.cwd)
     expect(cwds).toEqual([join(scaffold.workspaceCwd, 'workspace')])
     const turnEnds = sessionEvents.filter(e => e.type === 'turn/end')
@@ -152,6 +236,8 @@ describe('web e2e: lifecycle & chrome (workspace flow / reload / dark mode)', ()
 
   it.skipIf(MODE === 'record')('keeps the fixture inventory closed', async () => {
     expect(tripwire.warnings).toEqual([])
-    await assertFixtureInventory(SNAPSHOT_DIR, ['session.jsonl', 'hero.expected.md', 'reloaded.expected.md'])
+    await assertFixtureInventory(SNAPSHOT_DIR, [
+      'session.jsonl', 'command-menu.expected.md', 'hero.expected.md', 'plan-active.expected.md', 'reloaded.expected.md',
+    ])
   })
 })
diff --git a/apps/web/tests/live-interactions.e2e.ts b/apps/web/tests/live-interactions.e2e.ts
index c563638e80..387faab3b7 100644
--- a/apps/web/tests/live-interactions.e2e.ts
+++ b/apps/web/tests/live-interactions.e2e.ts
@@ -27,14 +27,15 @@ import { connectFreshWorkspace, newEnglishPage, saveFailureShot } from './suppor
 
 const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/live-interactions', import.meta.url))
 const FIXTURE = join(SNAPSHOT_DIR, 'session.jsonl')
-// One golden per interactive end-state: what the user is left looking at
-// after cancel, after a non-retryable failure (pins the FIXME(web-error-surface)
-// gap as a reviewable artifact: NO error copy in the tree), and after retry
-// recovery — three genuinely different terminal surfaces of one fixture.
+// One golden pins the stable mid-turn loading state; the other three capture
+// what the user is left looking at after cancel, after a non-retryable failure,
+// and after retry recovery.
 const CANCEL_EXPECTED = join(SNAPSHOT_DIR, 'cancel.expected.md')
+const LOADING_EXPECTED = join(SNAPSHOT_DIR, 'loading.expected.md')
 const ERROR_EXPECTED = join(SNAPSHOT_DIR, 'error-auth.expected.md')
 const RETRY_EXPECTED = join(SNAPSHOT_DIR, 'retry.expected.md')
 const MODE = webSnapshotMode()
+const AUTH_PROVIDER_MESSAGE = 'Authentication Fails, Your api key: sk-preview-secret is invalid'
 
 // The recorded base: one text-only turn whose derived script the sidecars
 // patch. Kept deliberately tool-free so the derived script is exactly one
@@ -95,7 +96,7 @@ describe('web e2e: live-turn interactions (cancel / error / retry)', () => {
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
     // Fresh world: connect a Workspace so the composer scenarios start live.
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
   }
 
   /**
@@ -133,6 +134,12 @@ describe('web e2e: live-turn interactions (cancel / error / retry)', () => {
     // The marker IS the synchronization: the stream is provably parked in the
     // hang (prefix chunks delivered to the loop) before the stop click.
     await expect.poll(() => existsSync(marker), { timeout: 15_000 }).toBe(true)
+    await expect.poll(
+      () => page.getByRole('status').filter({ hasText: 'Deep diving...' }).isVisible(),
+      { timeout: 10_000 },
+    ).toBe(true)
+    const loadingSnapshot = await captureStableAria(page, '[class*="centerCol"]', scaffold!.workspaceCwd)
+    await compareOrRefreshGolden(LOADING_EXPECTED, loadingSnapshot, MODE)
     await page.getByRole('button', { name: 'Stop generating' }).click()
     await settled
     expect(turnEndReasons(sessionEvents).at(-1)).toBe('aborted')
@@ -151,7 +158,7 @@ describe('web e2e: live-turn interactions (cancel / error / retry)', () => {
 
   it.skipIf(MODE === 'record')('surfaces a non-retryable AUTH failure without retrying', async () => {
     await launch(() => ({
-      patches: [{ at: 0, entry: { kind: 'throw', chunks: [], message: 'invalid api key', code: 'AUTH' } }],
+      patches: [{ at: 0, entry: { kind: 'throw', chunks: [], message: AUTH_PROVIDER_MESSAGE, code: 'AUTH' } }],
     }))
     onTestFailed(() => saveFailureShot(page, 'web-e2e-error-auth'))
     const { settled } = await sendPrompt()
@@ -159,28 +166,28 @@ describe('web e2e: live-turn interactions (cancel / error / retry)', () => {
     expect(turnEndReasons(sessionEvents).at(-1)).toBe('error')
     // AUTH is outside llm-retry's retryable set: no retry record.
     expect(sessionEvents.filter(e => e.type === 'llm/retry').length).toBe(0)
-    // Product gap found by this lane, pinned as-is: the client consumes no
-    // agent/error frames and a pre-chunk failure freezes no partial, so THIS
-    // failure renders no error copy anywhere — the user sees the send simply
-    // stop. FIXME(web-error-surface): assert visible error text here once the
-    // web UI grows an error rendering; until then the pinned contract is
-    // "no crash, composer recovers, turn logged as error".
     await expect.poll(() => page.locator('textarea').first().isEnabled(), { timeout: 10_000 }).toBe(true)
     expect(await page.locator('[data-streaming="true"]').count()).toBe(0)
-    // The blank workspace also has an enabled composer. Wait for the driven
-    // session's only visible message before capturing its no-error-copy state.
-    await expect.poll(() => page.getByText(PROMPT, { exact: true }).first().isVisible(), { timeout: 10_000 }).toBe(true)
-    // Golden of the same gap: the prompt bubble alone, no error copy in the
-    // tree — the diff that changes when web-error-surface lands.
+    const errorStatus = page.getByRole('status').filter({ hasText: 'This turn failed' })
+    await errorStatus.waitFor({ timeout: 10_000 })
+    expect(await errorStatus.textContent()).toContain('API key is invalid')
+    expect(await errorStatus.textContent()).toContain('AUTH')
+    expect(await page.locator('body').textContent()).not.toContain('sk-preview-secret')
     const snapshot = await captureStableAria(page, '[class*="centerCol"]', scaffold!.workspaceCwd)
     await compareOrRefreshGolden(ERROR_EXPECTED, snapshot, MODE)
+    await page.getByRole('tab', { name: 'Trajectory' }).click()
+    const requestMarker = page.locator('tr[data-request-only="true"]').last()
+      .getByRole('button', { name: /Request #/ })
+    await requestMarker.click()
+    await page.getByText('API key is invalid', { exact: true }).waitFor({ timeout: 10_000 })
+    expect(await page.locator('body').textContent()).not.toContain('sk-preview-secret')
     expect(tripwire.pageErrors).toEqual([])
     expect(tripwire.warnings).toEqual([])
   }, 120_000)
 
   it.skipIf(MODE === 'record')('keeps a terminal request marker inside the trajectory table', async () => {
     await launch(() => ({
-      patches: [{ at: 0, entry: { kind: 'throw', chunks: [], message: 'invalid api key', code: 'AUTH' } }],
+      patches: [{ at: 0, entry: { kind: 'throw', chunks: [], message: AUTH_PROVIDER_MESSAGE, code: 'AUTH' } }],
     }))
     const { settled } = await sendPrompt()
     await settled
@@ -221,8 +228,8 @@ describe('web e2e: live-turn interactions (cancel / error / retry)', () => {
     // only on change, so attempt count is invisible there).
     expect(sessionEvents.filter(e => e.type === 'llm/retry').length).toBeGreaterThanOrEqual(1)
     await expect.poll(() => page.getByText('event sourcing', { exact: false }).count(), { timeout: 10_000 }).toBeGreaterThan(0)
-    // Golden of the recovered end-state: indistinguishable from a clean
-    // completion — retries are deliberately invisible in the transcript.
+    // Golden of the recovered end-state: the discarded partial stays absent,
+    // while the settled retry row remains as durable recovery context.
     const snapshot = await captureStableAria(page, '[class*="centerCol"]', scaffold!.workspaceCwd)
     await compareOrRefreshGolden(RETRY_EXPECTED, snapshot, MODE)
     expect(tripwire.pageErrors).toEqual([])
@@ -231,7 +238,7 @@ describe('web e2e: live-turn interactions (cancel / error / retry)', () => {
 
   it.skipIf(MODE === 'record')('keeps the fixture inventory closed', async () => {
     await assertFixtureInventory(SNAPSHOT_DIR, [
-      'session.jsonl', 'cancel.expected.md', 'error-auth.expected.md', 'retry.expected.md',
+      'session.jsonl', 'cancel.expected.md', 'loading.expected.md', 'error-auth.expected.md', 'retry.expected.md',
     ])
   })
 })
diff --git a/apps/web/tests/message-actions.e2e.ts b/apps/web/tests/message-actions.e2e.ts
index 4d798e11ed..bb58ccefc4 100644
--- a/apps/web/tests/message-actions.e2e.ts
+++ b/apps/web/tests/message-actions.e2e.ts
@@ -64,14 +64,14 @@ describe('web e2e: message IconActions and clocks on settled history', () => {
     await expect.poll(() => page.getByText('DONE', { exact: true }).count(), { timeout: 15_000 }).toBe(1)
 
     // Focus-reveal the footers (hover:hover keeps them opacity-hidden until
-    // hover/focus-within). User has three actions; each turn's last content
-    // assistant has copy + branch.
+    // hover/focus-within). User and each turn's last content assistant both
+    // have copy + branch.
     const copyButtons = page.getByRole('button', { name: 'Copy' })
     await expect.poll(() => copyButtons.count(), { timeout: 10_000 }).toBeGreaterThanOrEqual(2)
     await copyButtons.first().focus()
     await expect.poll(() => page.getByRole('button', { name: 'Branch into a new conversation' }).count(), { timeout: 5_000 })
       .toBeGreaterThanOrEqual(2)
-    await expect.poll(() => page.getByRole('button', { name: 'Edit' }).count(), { timeout: 5_000 }).toBe(1)
+    await expect.poll(() => page.getByRole('button', { name: 'Edit' }).count(), { timeout: 5_000 }).toBe(0)
   }, 60_000)
 
   it.skipIf(MODE === 'record')('matches the conversation aria golden with IconActions and clocks', async () => {
diff --git a/apps/web/tests/models-settings.e2e.ts b/apps/web/tests/models-settings.e2e.ts
index 28c423b0a0..c46127c9db 100644
--- a/apps/web/tests/models-settings.e2e.ts
+++ b/apps/web/tests/models-settings.e2e.ts
@@ -1,14 +1,15 @@
 // Web e2e scenario: the Models settings page end to end through the real
 // wire — the add card offers the dormant pi-ai catalog, typing an API key
 // stores it write-only under the derived reference (`MINIMAX_CN_API_KEY`)
-// while the settings document records only that reference, and the saved
-// route registers live (the row's 已启用 badge is the topology invalidation
-// landing). The customized-settings fold writes the curated reasoning field
-// as a merge patch. Zero model calls: configuration is pure
+// while the settings document records only that reference; the saved row
+// appears after the route topology invalidation without presenting liveness
+// as provider status. The customized-settings fold writes the curated
+// reasoning field as a merge patch. Zero model calls: configuration is pure
 // settings/credentials/llm-domain traffic, so there is no fixture and a
 // stray stream would fail loud on the open seam. The provider under test is
 // minimax-cn so a developer's real ANTHROPIC/OPENAI environment keys can
-// never shadow the derived reference.
+// never shadow the derived reference. Removing that row is guarded by the
+// localized provider-confirmation dialog before the unset reaches the wire.
 import { readFile } from 'node:fs/promises'
 import { fileURLToPath } from 'node:url'
 import { join } from 'node:path'
@@ -19,11 +20,12 @@ import {
   assertFixtureInventory, captureStableAria, compareOrRefreshGolden,
   launchWebScaffold, watchConsole, webSnapshotMode, type WebScaffold,
 } from './scaffold.ts'
-import { saveFailureShot } from './support.ts'
+import { ZH_BROWSER_LOCALE, saveFailureShot } from './support.ts'
 
 const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/models-settings', import.meta.url))
 const EMPTY_EXPECTED = join(SNAPSHOT_DIR, 'empty.expected.md')
 const CONFIGURED_EXPECTED = join(SNAPSHOT_DIR, 'configured.expected.md')
+const DELETE_EXPECTED = join(SNAPSHOT_DIR, 'delete.expected.md')
 const MODE = webSnapshotMode()
 
 describe('web e2e: Models settings page configures a dormant provider', () => {
@@ -35,7 +37,8 @@ describe('web e2e: Models settings page configures a dormant provider', () => {
   beforeAll(async () => {
     scaffold = await launchWebScaffold({})
     browser = await chromium.launch()
-    page = await browser.newPage({ viewport: { width: 1680, height: 1000 } })
+    // The scenario asserts the shipped Chinese copy, so the browser asks for it.
+    page = await browser.newPage({ viewport: { width: 1680, height: 1000 }, locale: ZH_BROWSER_LOCALE })
     tripwire = watchConsole(page)
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
@@ -82,7 +85,6 @@ describe('web e2e: Models settings page configures a dormant provider', () => {
     // registers, and the topology frame invalidates the page into the row.
     const row = dialog.getByText('minimax-cn', { exact: true }).first()
     await row.waitFor({ timeout: 10_000 })
-    await dialog.getByText('已启用').waitFor({ timeout: 10_000 })
     const document = await readFile(join(scaffold.harnessHome, 'settings.yaml'), 'utf8')
     expect(document).toContain('minimax-cn:')
     expect(document).toContain('apiKeyEnv: MINIMAX_CN_API_KEY')
@@ -109,11 +111,42 @@ describe('web e2e: Models settings page configures a dormant provider', () => {
     expect(document).toContain('apiKeyEnv: MINIMAX_CN_API_KEY')
     const snapshot = await captureStableAria(page, '[role="dialog"]', scaffold.workspaceCwd)
     await compareOrRefreshGolden(CONFIGURED_EXPECTED, snapshot, MODE)
+    expect(tripwire.pageErrors).toEqual([])
+  }, 60_000)
+
+  it('confirms provider deletion before removing its settings profile', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-models-delete'))
+    const settingsDialog = page.getByRole('dialog', { name: '设置' })
+    await settingsDialog.getByRole('button', { name: '删除', exact: true }).click()
+    const deleteDialog = page.getByRole('dialog', { name: '删除模型提供方？' })
+    await deleteDialog.waitFor({ timeout: 10_000 })
+    const snapshot = await captureStableAria(
+      page,
+      '[role="dialog"][aria-label="删除模型提供方？"]',
+      scaffold.workspaceCwd,
+    )
+    await compareOrRefreshGolden(DELETE_EXPECTED, snapshot, MODE)
+
+    await deleteDialog.getByRole('button', { name: '取消', exact: true }).click()
+    expect(await readFile(join(scaffold.harnessHome, 'settings.yaml'), 'utf8')).toContain('minimax-cn:')
+    await settingsDialog.getByRole('button', { name: '删除', exact: true }).click()
+    await page.getByRole('dialog', { name: '删除模型提供方？' })
+      .getByRole('button', { name: '删除提供方', exact: true }).click()
+    await expect.poll(
+      async () => readFile(join(scaffold.harnessHome, 'settings.yaml'), 'utf8'),
+      { timeout: 10_000 },
+    ).not.toContain('minimax-cn:')
+    expect(await readFile(join(scaffold.harnessHome, '.env'), 'utf8'))
+      .toContain('MINIMAX_CN_API_KEY=sk-e2e-minimax')
+    await expect.poll(
+      async () => page.getByRole('dialog', { name: '删除模型提供方？' }).count(),
+      { timeout: 10_000 },
+    ).toBe(0)
     await page.keyboard.press('Escape')
     expect(tripwire.pageErrors).toEqual([])
   }, 60_000)
 
   it.skipIf(MODE === 'record')('keeps the fixture inventory closed', async () => {
-    await assertFixtureInventory(SNAPSHOT_DIR, ['configured.expected.md', 'empty.expected.md'])
+    await assertFixtureInventory(SNAPSHOT_DIR, ['configured.expected.md', 'delete.expected.md', 'empty.expected.md'])
   })
 })
diff --git a/apps/web/tests/navigation-panes.e2e.ts b/apps/web/tests/navigation-panes.e2e.ts
index 12a2c362ab..d6fe3d0942 100644
--- a/apps/web/tests/navigation-panes.e2e.ts
+++ b/apps/web/tests/navigation-panes.e2e.ts
@@ -23,6 +23,7 @@ import { newEnglishPage, saveFailureShot } from './support.ts'
 const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/navigation-panes', import.meta.url))
 const SEED = join(SNAPSHOT_DIR, 'seed.jsonl')
 const TRAJECTORY_EXPECTED = join(SNAPSHOT_DIR, 'trajectory.expected.md')
+const SEARCH_EXPECTED = join(SNAPSHOT_DIR, 'search-results.expected.md')
 const TERMINAL_EXPECTED = join(SNAPSHOT_DIR, 'terminal-card.expected.md')
 const MODE = webSnapshotMode()
 const SEED_ID = 'navigation-panes-web-e2e'
@@ -42,7 +43,7 @@ describe('web e2e: navigation & panes over a rich seeded session', () => {
 
   beforeAll(async () => {
     scaffold = await launchWebScaffold({})
-    // The workspace-aware flow runs sessions in <workspaceRoot>/workspace;
+    // The workspace-aware flow runs sessions in <workspaceCwd>/workspace;
     // the read targets must live in that session cwd (pre-creation is safe:
     // create-by-name adopts an existing directory).
     const sessionCwd = join(scaffold.workspaceCwd, 'workspace')
@@ -95,39 +96,39 @@ describe('web e2e: navigation & panes over a rich seeded session', () => {
     expect(calls.map(e => e.data.name).sort()).toEqual(['bash', 'read', 'read'])
   }, 400_000)
 
-  it.skipIf(MODE === 'record')('opens the seeded session and renders both turns from the log', async () => {
-    onTestFailed(() => saveFailureShot(page, 'web-e2e-navigation-open'))
-    // Expand the collapsed group row, then open the revealed session row.
-    const groupRow = page.locator('[role="treeitem"]').first()
-    await groupRow.waitFor({ timeout: 15_000 })
-    await groupRow.click()
-    const sessionRow = page.locator('[role="treeitem"]').nth(1)
-    await sessionRow.waitFor({ timeout: 10_000 })
-    await sessionRow.click()
+  it.skipIf(MODE === 'record')('finds an unopened seeded session by message content and opens it', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-navigation-search'))
+    const search = page.getByPlaceholder('Search name, keywords', { exact: false })
+    // The cold row has not been opened, so only the persisted log can satisfy
+    // this query. First search lazily reconciles the SQLite content index.
+    await search.fill('zzzqx-no-such-session')
+    await page.getByText('No matching sessions').waitFor({ timeout: 30_000 })
+    await expect.poll(
+      () => page.getByRole('tree', { name: 'Search results' }).getByRole('treeitem').count(),
+      { timeout: 10_000 },
+    ).toBe(0)
+
+    await search.fill('WATERFALL')
+    const resultTree = page.getByRole('tree', { name: 'Search results' })
+    const result = resultTree.getByRole('treeitem')
+    await expect.poll(() => result.count(), { timeout: 30_000 }).toBe(1)
+    await expect.poll(() => result.getByText('WATERFALL', { exact: false }).count(), {
+      timeout: 10_000,
+    }).toBeGreaterThanOrEqual(1)
+    const snapshot = (await captureStableAria(page, '[class*="listArea"]', scaffold.workspaceCwd))
+      .split(SEED_ID).join('{{seededId}}')
+    await compareOrRefreshGolden(SEARCH_EXPECTED, snapshot, MODE)
+
+    await result.click()
+    // Search navigation addresses the session, not a specific event, and the
+    // query remains until the user explicitly clears it.
+    await expect.poll(() => search.inputValue(), { timeout: 5_000 }).toBe('WATERFALL')
     await expect.poll(() => page.getByText('FIRST_DONE', { exact: true }).count(), { timeout: 15_000 }).toBeGreaterThanOrEqual(1)
     await expect.poll(() => page.getByRole('heading', { name: 'Navigation Summary' }).count(), { timeout: 15_000 }).toBe(1)
-  }, 90_000)
-
-  it.skipIf(MODE === 'record')('filters the sidebar tree by title through the search box', async () => {
-    onTestFailed(() => saveFailureShot(page, 'web-e2e-navigation-search'))
-    // Runs after the session is open: a cold summary carries no title (the
-    // sidebar shows the cwd basename), and the durable title lands with the
-    // attach subscription's baseline — which is itself worth pinning: search
-    // matches the title the user sees, not a hidden cold field.
-    const search = page.getByPlaceholder('Search name, keywords', { exact: false })
-    await expect.poll(() => page.getByText('NavScenario', { exact: false }).count(), { timeout: 15_000 }).toBeGreaterThanOrEqual(1)
-    // Negative: a garbage query empties the tree (group rows hide too).
-    await search.fill('zzzqx-no-such-session')
-    await expect.poll(() => page.locator('[role="treeitem"]').count(), { timeout: 10_000 }).toBe(0)
-    // Positive: a title word narrows to the matched session + its group,
-    // force-expanded by search mode (case-insensitive client-side filter).
-    await search.fill('navscenario')
-    await expect.poll(() => page.locator('[role="treeitem"]').count(), { timeout: 10_000 }).toBeGreaterThanOrEqual(2)
-    // Clear restores the unfiltered tree.
     await page.getByRole('button', { name: 'Clear search' }).click()
     await expect.poll(() => search.inputValue(), { timeout: 5_000 }).toBe('')
     await expect.poll(() => page.locator('[role="treeitem"]').count(), { timeout: 10_000 }).toBeGreaterThanOrEqual(1)
-  }, 60_000)
+  }, 90_000)
 
   it.skipIf(MODE === 'record')('renders the trajectory ledger and opens its local record inspector', async () => {
     onTestFailed(() => saveFailureShot(page, 'web-e2e-navigation-trajectory'))
@@ -146,14 +147,21 @@ describe('web e2e: navigation & panes over a rich seeded session', () => {
     await expect.poll(() => page.locator('tr[data-turn-start="true"]').count(), { timeout: 15_000 }).toBe(2)
     await expect.poll(() => page.getByRole('columnheader').count(), { timeout: 10_000 }).toBe(0)
     await page.locator('tr[data-kind="tool"]').first().click()
-    await expect.poll(() => page.getByRole('complementary', { name: 'Event details' }).count(), { timeout: 10_000 }).toBe(1)
+    const details = page.getByRole('complementary', { name: 'Event details' })
+    await expect.poll(() => details.count(), { timeout: 10_000 }).toBe(1)
+    await page.evaluate(() => { document.body.setAttribute('data-ds-dark-theme', '') })
+    const darkSummarySurfaces = await details.getByRole('heading', { name: 'Payload' }).evaluate(heading => ({
+      heading: getComputedStyle(heading).backgroundColor,
+      panel: getComputedStyle(heading.closest('[aria-label="Event details"]')!).backgroundColor,
+    }))
+    expect(darkSummarySurfaces.heading).toBe(darkSummarySurfaces.panel)
+    await page.evaluate(() => { document.body.removeAttribute('data-ds-dark-theme') })
     await page.getByRole('tab', { name: 'Result' }).click()
     await expect.poll(() => page.getByText('NAVIGATION_OK', { exact: false }).count(), { timeout: 10_000 }).toBeGreaterThanOrEqual(1)
     const snapshot = (await captureStableAria(page, '[class*="viewArea"]', scaffold.workspaceCwd))
       .split(SEED_ID).join('{{seededId}}')
     await compareOrRefreshGolden(TRAJECTORY_EXPECTED, snapshot, MODE)
-    await page.getByRole('complementary', { name: 'Event details' })
-      .getByRole('button', { name: 'Close details' }).click()
+    await details.getByRole('button', { name: 'Close details' }).click()
   }, 60_000)
 
   it.skipIf(MODE === 'record')('focuses the ledger by dragging an overview interval', async () => {
@@ -180,11 +188,13 @@ describe('web e2e: navigation & panes over a rich seeded session', () => {
     await bashRow.waitFor({ timeout: 15_000 })
     const frame = page.locator('[style*="grid-template-columns"]').first()
     expect(await frame.getAttribute('data-details-collapsed')).toBe('true')
+    // The row click is the card's expand toggle (unified tool-row
+    // interaction); it must not drive layout geometry either way.
     await bashRow.click()
     await expect.poll(() => frame.getAttribute('data-details-collapsed'), { timeout: 5_000 }).toBe('true')
     // The card's own controls are outside the summary row and must not open
-    // details either — the terminal card is read in place.
-    await page.locator('[data-sample="bash-global"] ~ [data-terminal] [class*="_copyButton_"]').first().click()
+    // details either — the expanded terminal card is read in place.
+    await page.locator('[data-sample="bash-global"] ~ div [data-terminal] [class*="_copyButton_"]').first().click()
     await expect.poll(() => frame.getAttribute('data-details-collapsed'), { timeout: 5_000 }).toBe('true')
     // Read summaries are host-open file links; they also must not open details.
     const fileLink = page.locator('[data-variant="read"] button').first()
@@ -196,10 +206,14 @@ describe('web e2e: navigation & panes over a rich seeded session', () => {
   it.skipIf(MODE === 'record')('renders the bash row as a terminal card in the real browser', async () => {
     onTestFailed(() => saveFailureShot(page, 'web-e2e-navigation-terminal'))
     await page.getByRole('tab', { name: 'Chat' }).click()
-    // The card is resident in the keyed bash row (no expand gesture): the
-    // recorded command's own output sits in the message flow, derived from the
-    // logged call/result presentations alone.
-    const card = page.locator('[data-sample="bash-global"] ~ [data-terminal], [data-sample="bash-global"] [data-terminal]').first()
+    // The card is expand-gated behind the whole-row toggle (the unified
+    // tool-row interaction): open it if a previous case left it collapsed.
+    // Expanded, the recorded command's own output sits in the message flow,
+    // derived from the logged call/result presentations alone.
+    const bashRow = page.locator('[data-sample="bash-global"]').first()
+    await bashRow.waitFor({ timeout: 15_000 })
+    if (await bashRow.getAttribute('aria-expanded') !== 'true') await bashRow.click()
+    const card = page.locator('[data-sample="bash-global"] ~ div [data-terminal]').first()
     await card.waitFor({ timeout: 15_000 })
     // Real layout, not jsdom's stub (which computes no geometry at all):
     // squeeze the output pane below its content width and the line must keep
@@ -279,7 +293,8 @@ describe('web e2e: navigation & panes over a rich seeded session', () => {
     expect(slotErrors).toEqual([])
     expect(tripwire.warnings).toEqual([])
     await assertFixtureInventory(SNAPSHOT_DIR, [
-      'seed.jsonl', 'trajectory.expected.md', 'terminal-card.expected.md',
+      'seed.jsonl', 'search-results.expected.md', 'trajectory.expected.md',
+      'terminal-card.expected.md',
     ])
   })
 })
diff --git a/apps/web/tests/onboarding-deepseek-config.e2e.ts b/apps/web/tests/onboarding-deepseek-config.e2e.ts
index 62dd129982..1ec36454d0 100644
--- a/apps/web/tests/onboarding-deepseek-config.e2e.ts
+++ b/apps/web/tests/onboarding-deepseek-config.e2e.ts
@@ -9,12 +9,18 @@ import type { Browser, Page } from 'playwright'
 import { chromium } from 'playwright'
 import { afterAll, beforeAll, describe, expect, it, onTestFailed } from 'vitest'
 import {
-  assertFixtureInventory, captureStableAria, compareOrRefreshGolden,
+  acknowledgeReloadConnectionLoss, assertFixtureInventory, captureStableAria, compareOrRefreshGolden,
   launchWebScaffold, watchConsole, webSnapshotMode, type WebScaffold,
 } from './scaffold.ts'
-import { saveFailureShot } from './support.ts'
+import { ZH_BROWSER_LOCALE, saveFailureShot } from './support.ts'
+import { settingsNamespace } from '@deepseek-ai/dsh-settings'
+import {
+  WELCOME_NOTICE_ACK_FIELD, WELCOME_NOTICE_COPY, WELCOME_NOTICE_SETTINGS_NAMESPACE,
+  WELCOME_NOTICE_VERSION,
+} from '@deepseek-ai/dsh-client-ui-settings-general'
 
 const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/onboarding-deepseek-config', import.meta.url))
+const WELCOME_EXPECTED = join(SNAPSHOT_DIR, 'welcome.expected.md')
 const MISSING_EXPECTED = join(SNAPSHOT_DIR, 'missing.expected.md')
 const MODE = webSnapshotMode()
 
@@ -26,9 +32,10 @@ describe.skipIf(MODE === 'record')('web e2e: first-run DeepSeek credential setup
   const browserConsole: string[] = []
 
   beforeAll(async () => {
-    scaffold = await launchWebScaffold({ deepSeekMissingCredential: true })
+    scaffold = await launchWebScaffold({ deepSeekMissingCredential: true, welcomeNoticePending: true })
     browser = await chromium.launch()
-    page = await browser.newPage({ viewport: { width: 1440, height: 960 } })
+    // The scenario asserts the shipped Chinese copy, so the browser asks for it.
+    page = await browser.newPage({ viewport: { width: 1440, height: 960 }, locale: ZH_BROWSER_LOCALE })
     tripwire = watchConsole(page)
     page.on('console', message => browserConsole.push(message.text()))
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
@@ -42,16 +49,61 @@ describe.skipIf(MODE === 'record')('web e2e: first-run DeepSeek credential setup
 
   it('stores a key write-only and observes configured state without restarting', async () => {
     onTestFailed(() => saveFailureShot(page, 'web-e2e-onboarding-deepseek-config'))
-    const dialog = page.getByRole('dialog', { name: '添加一个 API Key 开始使用' })
-    await dialog.waitFor({ timeout: 15_000 })
-    expect(await dialog.getByRole('textbox').count()).toBe(0)
-    const initial = await captureStableAria(page, '[role="dialog"]', scaffold.workspaceCwd)
+    const welcome = page.getByRole('region', { name: WELCOME_NOTICE_COPY.zh.title })
+    await welcome.waitFor({ timeout: 15_000 })
+    expect(await page.locator('#root').evaluate(root => (root as HTMLElement).inert)).toBe(true)
+    const welcomeAria = await captureStableAria(page, '[role="region"]', scaffold.workspaceCwd)
+    await compareOrRefreshGolden(WELCOME_EXPECTED, welcomeAria, MODE)
+    expect(await welcome.getByRole('button').allTextContents()).toEqual([WELCOME_NOTICE_COPY.zh.continueLabel])
+    expect(await welcome.locator('button').count()).toBe(1)
+
+    const mask = page.locator('[class*="onboardingMask"]')
+    expect(await mask.count()).toBe(1)
+    const maskStyles = await mask.evaluate((mask) => {
+      const style = getComputedStyle(mask)
+      const rect = mask.getBoundingClientRect()
+      return {
+        position: style.position,
+        left: style.left,
+        right: style.right,
+        top: style.top,
+        bottom: style.bottom,
+        background: style.backgroundColor,
+        backdropFilter: style.backdropFilter,
+        rect: { left: rect.left, top: rect.top, right: rect.right, bottom: rect.bottom },
+      }
+    })
+    expect(maskStyles).toEqual({
+      position: 'absolute',
+      left: '0px',
+      right: '0px',
+      top: '80px',
+      bottom: '0px',
+      background: 'rgba(0, 0, 0, 0.24)',
+      backdropFilter: 'blur(2px)',
+      rect: { left: 0, top: 80, right: 1440, bottom: 960 },
+    })
+
+    // Closing the process/page before acknowledgement writes nothing, so the
+    // same durable profile presents the notice again after reload.
+    const firstReloadWarnings = tripwire.warnings.length
+    await page.reload({ waitUntil: 'load' })
+    acknowledgeReloadConnectionLoss(tripwire, firstReloadWarnings)
+    await welcome.waitFor({ timeout: 15_000 })
+
+    await welcome.getByRole('button', { name: WELCOME_NOTICE_COPY.zh.continueLabel }).click()
+    await welcome.waitFor({ state: 'detached', timeout: 15_000 })
+    const credentialStep = page.getByRole('region', { name: '添加一个 API Key 开始使用' })
+    await credentialStep.waitFor({ timeout: 15_000 })
+    expect(await credentialStep.getByRole('textbox').count()).toBe(0)
+    const initial = await captureStableAria(page, '[role="region"]', scaffold.workspaceCwd)
     await compareOrRefreshGolden(MISSING_EXPECTED, initial, MODE)
 
-    await dialog.getByRole('button', { name: '前往配置' }).click()
-    await dialog.waitFor({ state: 'detached', timeout: 15_000 })
+    await credentialStep.getByRole('button', { name: '前往配置' }).click()
+    await credentialStep.waitFor({ state: 'detached', timeout: 15_000 })
     const settings = page.getByRole('dialog', { name: '设置' })
     await settings.waitFor({ timeout: 10_000 })
+    expect(await page.locator('#root').evaluate(root => (root as HTMLElement).inert)).toBe(false)
     const keyInput = settings.getByLabel('API 密钥', { exact: true })
     await keyInput.waitFor({ timeout: 10_000 })
 
@@ -78,6 +130,29 @@ describe.skipIf(MODE === 'record')('web e2e: first-run DeepSeek credential setup
       { timeout: 10_000 },
     ).toBe('已配置——输入新值可替换')
 
+    const acknowledgedSettings = await readFile(join(scaffold.harnessHome, 'settings.yaml'), 'utf8')
+    expect(acknowledgedSettings).toContain(`${WELCOME_NOTICE_ACK_FIELD}: ${WELCOME_NOTICE_VERSION}`)
+
+    const secondReloadWarnings = tripwire.warnings.length
+    await page.reload({ waitUntil: 'load' })
+    acknowledgeReloadConnectionLoss(tripwire, secondReloadWarnings)
+    await page.waitForSelector('[class*="frame"]', { timeout: 15_000 })
+    expect(await page.getByRole('region', { name: WELCOME_NOTICE_COPY.zh.title }).count()).toBe(0)
+    expect(await page.getByRole('region', { name: '添加一个 API Key 开始使用' }).count()).toBe(0)
+
+    // A different stored copy version represents an intentional version bump:
+    // the welcome step returns even though the credential is already ready.
+    await scaffold.ctx.settings.mutate(settingsNamespace(WELCOME_NOTICE_SETTINGS_NAMESPACE), [{
+      op: 'set', path: [WELCOME_NOTICE_ACK_FIELD], value: 'previous-copy-version',
+    }])
+    const thirdReloadWarnings = tripwire.warnings.length
+    await page.reload({ waitUntil: 'load' })
+    acknowledgeReloadConnectionLoss(tripwire, thirdReloadWarnings)
+    await welcome.waitFor({ timeout: 15_000 })
+    await welcome.getByRole('button', { name: WELCOME_NOTICE_COPY.zh.continueLabel }).click()
+    await welcome.waitFor({ state: 'detached', timeout: 15_000 })
+    expect(await page.getByRole('region', { name: '添加一个 API Key 开始使用' }).count()).toBe(0)
+
     expect((await page.content()).includes(secret)).toBe(false)
     expect((await page.locator('body').ariaSnapshot()).includes(secret)).toBe(false)
     expect(browserConsole.some(line => line.includes(secret))).toBe(false)
@@ -86,6 +161,6 @@ describe.skipIf(MODE === 'record')('web e2e: first-run DeepSeek credential setup
   }, 60_000)
 
   it('keeps the fixture inventory closed', async () => {
-    await assertFixtureInventory(SNAPSHOT_DIR, ['missing.expected.md'])
+    await assertFixtureInventory(SNAPSHOT_DIR, ['missing.expected.md', 'welcome.expected.md'])
   })
 })
diff --git a/apps/web/tests/permission-policy-context.e2e.ts b/apps/web/tests/permission-policy-context.e2e.ts
new file mode 100644
index 0000000000..867685678f
--- /dev/null
+++ b/apps/web/tests/permission-policy-context.e2e.ts
@@ -0,0 +1,171 @@
+// Web acceptance for current sandbox-policy context. A real Chromium drives
+// the shipped /permission command through all three presets; record mode uses
+// the real provider, while replay keeps the same provider-authored behavior
+// keyless. Assertions read the exact durable header, runtime-context messages,
+// and tool calls, so assistant prose alone cannot satisfy the scenario.
+import { readFile } from 'node:fs/promises'
+import { join } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import type { Browser, Page } from 'playwright'
+import { chromium } from 'playwright'
+import { afterAll, beforeAll, describe, expect, it, onTestFailed } from 'vitest'
+import { canonicalPath } from '@deepseek-ai/dsh-sandbox'
+import type { SessionEvent } from '@deepseek-ai/dsh-session'
+import {
+  assertFixtureInventory, fixtureUserPrompts, launchWebScaffold, recordFixture,
+  watchConsole, webSnapshotMode, type WebScaffold,
+} from './scaffold.ts'
+import { connectFreshWorkspace, newEnglishPage, saveFailureShot } from './support.ts'
+
+const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/permission-policy-context', import.meta.url))
+const FIXTURE = fileURLToPath(new URL('./snapshots/permission-policy-context/session.jsonl', import.meta.url))
+const MODE = webSnapshotMode()
+
+const PROMPTS = [
+  'Can you create or edit a normal file right now under the current policy? Answer directly in one sentence. Do not call a tool just to discover the policy.',
+  'Does the DSH file sandbox currently restrict file operations? Answer directly in one sentence. Do not call tools.',
+  'Reply with exactly WORKSPACE_POLICY_SEEN. Do not call tools.',
+  'Create the relative path policy-neutral.txt in the current workspace containing exactly POLICY_NEUTRAL_OK, verify its contents, then report completion.',
+] as const
+
+const PRESET_LABELS = ['Read Only', 'Full access', 'Workspace Write'] as const
+
+function requestSystems(events: readonly SessionEvent[]): string[] {
+  return events.flatMap((event) => {
+    if (event.type !== 'request/header') return []
+    return typeof event.data.header.system === 'string' ? [event.data.header.system] : []
+  })
+}
+
+function runtimeContexts(events: readonly SessionEvent[]): string[] {
+  return events.flatMap((event) => {
+    if (event.type !== 'user/message'
+      || event.data.source.kind !== 'plugin'
+      || event.data.source.plugin !== '@deepseek-ai/dsh-system-prompt') return []
+    return event.data.content.flatMap(block => block.type === 'text' ? [block.text] : [])
+  })
+}
+
+function assistantTexts(events: readonly SessionEvent[]): string[] {
+  return events.flatMap((event) => {
+    if (event.type !== 'assistant/message') return []
+    const text = event.data.message.content.flatMap(block => block.type === 'text' ? [block.text] : []).join('').replaceAll('**', '')
+    return text.length === 0 ? [] : [text]
+  })
+}
+
+function callArgs(event: Extract<SessionEvent, { type: 'tool/call' }>): Record<string, unknown> {
+  return JSON.parse(event.data.arguments) as Record<string, unknown>
+}
+
+describe('web e2e: current sandbox policy reaches the model before tools', () => {
+  let scaffold: WebScaffold
+  let browser: Browser
+  let page: Page
+  let tripwire: ReturnType<typeof watchConsole>
+  let disposeApproval: (() => void) | undefined
+  let sessionWorkspace: string | undefined
+  const sessionEvents: SessionEvent[] = []
+
+  beforeAll(async () => {
+    scaffold = await launchWebScaffold(MODE === 'record' ? {} : { replayFixture: FIXTURE })
+    disposeApproval = scaffold.ctx.on('approval/request', () => Promise.resolve('allowed-once'), { prepend: true })
+    scaffold.ctx.on('session/event', (session, event: SessionEvent) => {
+      sessionWorkspace = session.header.cwd
+      sessionEvents.push(event)
+    })
+    browser = await chromium.launch()
+    page = await newEnglishPage(browser)
+    tripwire = watchConsole(page)
+    await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
+    await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
+  }, 120_000)
+
+  afterAll(async () => {
+    await browser?.close()
+    disposeApproval?.()
+    await scaffold?.close()
+  })
+
+  it('switches read-only, danger-full-access, and workspace-write through the real GUI command path', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-permission-policy-context'))
+    if (MODE !== 'record') {
+      expect(fixtureUserPrompts(await readFile(FIXTURE, 'utf8'))).toEqual(PROMPTS)
+    }
+
+    const input = page.locator('textarea').first()
+    let sessionId: Awaited<ReturnType<WebScaffold['whenTurnSettled']>> | undefined
+    for (const [index, preset] of ['read-only', 'danger-full-access', 'workspace-write'].entries()) {
+      await input.fill(`/permission ${preset}`)
+      await input.press('Enter')
+      await page.getByRole('button', { name: `Access mode, current: ${PRESET_LABELS[index]}` })
+        .waitFor({ timeout: 10_000 })
+
+      const settled = scaffold.whenTurnSettled()
+      await input.fill(PROMPTS[index] as string)
+      await input.press('Enter')
+      sessionId = await settled
+      await expect.poll(() => input.isEnabled(), { timeout: 10_000 }).toBe(true)
+    }
+
+    await input.fill('/permission read-only')
+    await input.press('Enter')
+    await page.getByRole('button', { name: 'Access mode, current: Read Only' }).waitFor({ timeout: 10_000 })
+    const settled = scaffold.whenTurnSettled()
+    await input.fill(PROMPTS[3])
+    await input.press('Enter')
+    sessionId = await settled
+
+    if (sessionId === undefined) throw new Error('permission-policy scenario completed no model turn')
+    if (MODE === 'record') await recordFixture(scaffold, sessionId, FIXTURE)
+  }, 240_000)
+
+  it.skipIf(MODE === 'record')('records cache-safe current policy before the corresponding model behavior', async () => {
+    const systems = requestSystems(sessionEvents)
+    expect(systems).toHaveLength(1)
+    expect(systems[0]).not.toContain('Current DSH file policy:')
+    expect(systems[0]).not.toContain('Approval policy:')
+    expect(systems[0]).not.toContain('Approval prompts are disabled in this session')
+
+    const contexts = runtimeContexts(sessionEvents)
+    expect(contexts).toHaveLength(4)
+    expect(contexts[0]).toContain('Current DSH file policy: read-only. Any available operation enforced by the DSH file sandbox cannot modify files in the standing mode.')
+    expect(contexts[0]).toContain('Do not refuse a required modification from this policy alone')
+    expect(contexts[0]).toContain('Approval policy: ask.')
+    expect(contexts[1]).toContain('Current DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations.')
+    expect(contexts[1]).toContain('Approval prompts are disabled in this session')
+
+    if (sessionWorkspace === undefined) throw new Error('permission-policy scenario observed no session workspace')
+    expect(contexts[2]).toContain(`Current DSH file policy: workspace-write. Any available operation enforced by the DSH file sandbox may modify files under the session workspace: ${JSON.stringify(canonicalPath(sessionWorkspace))}. Some platform temporary areas may also be writable.`)
+    expect(contexts[2]).toContain('Approval policy: ask.')
+    expect(contexts[2]).not.toContain('Approval prompts are disabled in this session')
+    expect(contexts[3]).toContain('Current DSH file policy: read-only.')
+
+    const answers = assistantTexts(sessionEvents)
+    expect(answers.length).toBeGreaterThanOrEqual(4)
+    expect(answers[0]).toMatch(/read-only.*(?:denied|cannot modify|cannot create or edit)/i)
+    expect(answers[1]).toMatch(/does not restrict.*(?:file operations|(?:write\/edit tools|write and edit tools).*one-shot bash commands)/i)
+    expect(answers[2]).toBe('WORKSPACE_POLICY_SEEN')
+    const calls = sessionEvents.filter(
+      (event): event is Extract<SessionEvent, { type: 'tool/call' }> => event.type === 'tool/call',
+    )
+    expect(calls.every(call => call.data.turn === 4)).toBe(true)
+    expect(calls.length).toBeGreaterThanOrEqual(2)
+    const firstCall = calls[0]
+    if (firstCall === undefined) throw new Error('neutral policy task produced no tool call')
+    expect(callArgs(firstCall)['sandbox_permissions']).toBeUndefined()
+    expect(calls.some(call => callArgs(call)['sandbox_permissions'] !== undefined)).toBe(true)
+    expect(sessionEvents.some(event => event.type === 'tool/result'
+      && JSON.stringify(event.data).includes('[sandbox: file access denied under read-only mode]'))).toBe(true)
+    expect(sessionEvents.some(event => event.type === 'approval/asked')).toBe(true)
+    if (sessionWorkspace === undefined) throw new Error('permission-policy scenario observed no session workspace')
+    expect(await readFile(join(sessionWorkspace, 'policy-neutral.txt'), 'utf8')).toBe('POLICY_NEUTRAL_OK')
+  })
+
+  it.skipIf(MODE === 'record')('stays clean and keeps the fixture inventory closed', async () => {
+    expect(tripwire.pageErrors).toEqual([])
+    expect(tripwire.warnings).toEqual([])
+    await assertFixtureInventory(SNAPSHOT_DIR, ['session.jsonl'])
+  })
+})
diff --git a/apps/web/tests/pin-browse-picker.overlay.yml b/apps/web/tests/pin-browse-picker.overlay.yml
new file mode 100644
index 0000000000..266c35e94b
--- /dev/null
+++ b/apps/web/tests/pin-browse-picker.overlay.yml
@@ -0,0 +1,11 @@
+# Loader overlay for the W5 real-host smoke (`dsh web --config`): pin the
+# in-browser directory picker. The shipped row is `-auto`, which resolves to
+# the native OS chooser on a loopback bind with a local display — an
+# interaction a Playwright page cannot drive, so the resolved backend would
+# otherwise decide whether the smoke passes. The disable+insert pair mirrors
+# apps/web/tests/scaffold.ts.
+- id: directory-picker
+  disabled: true
+- insert:
+    - id: directory-picker-browse
+      name: '@deepseek-ai/dsh-host-directory-picker-browse'
diff --git a/apps/web/tests/plan-review.e2e.ts b/apps/web/tests/plan-review.e2e.ts
index 28272777fb..e37e3954ab 100644
--- a/apps/web/tests/plan-review.e2e.ts
+++ b/apps/web/tests/plan-review.e2e.ts
@@ -54,7 +54,7 @@ describe('web e2e: plan review takeover round trip', () => {
     tripwire = watchConsole(page)
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
   }, 120_000)
 
   afterAll(async () => {
diff --git a/apps/web/tests/question-composer.e2e.ts b/apps/web/tests/question-composer.e2e.ts
index ac4be25299..37f6964c73 100644
--- a/apps/web/tests/question-composer.e2e.ts
+++ b/apps/web/tests/question-composer.e2e.ts
@@ -49,7 +49,7 @@ describe('web e2e: resident question composer round trip', () => {
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
     // Fresh world: connect a Workspace so the composer scenarios start live.
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
   }, 120_000)
 
   afterAll(async () => {
diff --git a/apps/web/tests/queue-actions.e2e.ts b/apps/web/tests/queue-actions.e2e.ts
index 42e44c14ca..006b2816cd 100644
--- a/apps/web/tests/queue-actions.e2e.ts
+++ b/apps/web/tests/queue-actions.e2e.ts
@@ -1,16 +1,16 @@
 // Keyless browser coverage for pending queue actions through the shipped Web
-// composition and real HTTP/SSE wire. A replay override parks the active turn
-// so two ordinary follow-ups remain addressable while the page edits one and
-// removes one. The queue uses an existing recorded model
-// call; this scenario owns only the user-visible mid-turn golden.
+// composition and real HTTP/SSE wire. Replay overrides park consecutive turns
+// so the page can edit and remove exact occurrences, then stop the active turn
+// while proving the preserved Queue advances in FIFO order.
 import { existsSync } from 'node:fs'
-import { mkdtemp, rm, writeFile } from 'node:fs/promises'
+import { mkdtemp, readFile, rm, writeFile } from 'node:fs/promises'
 import { tmpdir } from 'node:os'
 import { fileURLToPath } from 'node:url'
 import { join } from 'node:path'
 import type { Browser, Page } from 'playwright'
 import { chromium } from 'playwright'
 import { afterEach, describe, expect, it, onTestFailed } from 'vitest'
+import { deriveReplayScript, parseSessionLog, type ReplayEntry } from '@deepseek-ai/dsh-llm-replay'
 import type { SessionEvent } from '@deepseek-ai/dsh-session'
 import {
   assertFixtureInventory, captureStableAria, compareOrRefreshGolden,
@@ -22,6 +22,7 @@ const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/queue-actions', import.m
 const FIXTURE = fileURLToPath(new URL('./snapshots/live-interactions/session.jsonl', import.meta.url))
 const COLLAPSED_EXPECTED = join(SNAPSHOT_DIR, 'collapsed.expected.md')
 const EDITING_EXPECTED = join(SNAPSHOT_DIR, 'editing.expected.md')
+const PRESERVED_EXPECTED = join(SNAPSHOT_DIR, 'preserved.expected.md')
 const UI_EXPECTED = join(SNAPSHOT_DIR, 'ui.expected.md')
 const MODE = webSnapshotMode()
 
@@ -29,6 +30,12 @@ const ACTIVE_PROMPT = 'Reply with a one-sentence description of event sourcing,
 const REMOVE = 'Queue item to remove'
 const EDIT = 'Queue item to edit'
 const EDITED = 'Edited queue item'
+const TAIL = 'Queue item preserved after stop'
+
+/** Durable turn-end classifications observed by the scenario. */
+function turnEndReasons(events: readonly SessionEvent[]): string[] {
+  return events.flatMap(event => event.type === 'turn/end' ? [event.data.reason.kind] : [])
+}
 
 describe('web e2e: queue row actions', () => {
   let scaffold: WebScaffold | undefined
@@ -52,13 +59,19 @@ describe('web e2e: queue row actions', () => {
     if (failures.length > 1) throw new AggregateError(failures, 'queue-actions teardown failed')
   })
 
-  it.skipIf(MODE === 'record')('edits and removes exact pending occurrences', async () => {
+  it.skipIf(MODE === 'record')('edits and removes exact occurrences and preserves Queue across stop', async () => {
     overrideDir = await mkdtemp(join(tmpdir(), 'dsh-web-queue-actions-'))
     const readyFile = join(overrideDir, '.hang-ready')
+    const nextReadyFile = join(overrideDir, '.next-hang-ready')
     const overridePath = join(overrideDir, 'replay.override.json')
-    await writeFile(overridePath, JSON.stringify({
-      patches: [{ at: 0, entry: { kind: 'hang', readyFile } }],
-    }))
+    const recorded = deriveReplayScript(parseSessionLog(await readFile(FIXTURE, 'utf8')))
+    expect(recorded).toHaveLength(1)
+    const replay: ReplayEntry[] = [
+      { kind: 'hang', readyFile },
+      { kind: 'hang', readyFile: nextReadyFile },
+      recorded[0]!,
+    ]
+    await writeFile(overridePath, JSON.stringify(replay))
 
     const sessionEvents: SessionEvent[] = []
     scaffold = await launchWebScaffold({ replayFixture: FIXTURE, replayOverride: overridePath })
@@ -68,7 +81,7 @@ describe('web e2e: queue row actions', () => {
     const tripwire = watchConsole(page)
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
     onTestFailed(() => saveFailureShot(page, 'web-e2e-queue-actions'))
 
     const input = page.locator('textarea').first()
@@ -96,6 +109,26 @@ describe('web e2e: queue row actions', () => {
       { timeout: 10_000 },
     ).toBe(2)
 
+    await page.setViewportSize({ width: 640, height: 1000 })
+    const queueBox = await page.locator('[data-queue-dock]').boundingBox()
+    const composerBox = await page.locator('[data-composer-card]').boundingBox()
+    expect(queueBox).not.toBeNull()
+    expect(composerBox).not.toBeNull()
+    expect(queueBox!.x).toBeGreaterThanOrEqual(composerBox!.x)
+    expect(queueBox!.x + queueBox!.width)
+      .toBeLessThanOrEqual(composerBox!.x + composerBox!.width)
+    const queueLeftInset = queueBox!.x - composerBox!.x
+    const queueRightInset = composerBox!.x + composerBox!.width - queueBox!.x - queueBox!.width
+    const composerMetrics = await page.locator('[data-composer-card]').evaluate((element) => {
+      const style = getComputedStyle(element)
+      return {
+        dockInset: Number.parseFloat(style.getPropertyValue('--dsh-composer-dock-inset')),
+      }
+    })
+    expect(queueLeftInset).toBeCloseTo(composerMetrics.dockInset, 1)
+    expect(queueRightInset).toBeCloseTo(composerMetrics.dockInset, 1)
+    await page.setViewportSize({ width: 1680, height: 1000 })
+
     const editRow = page.getByText(EDIT, { exact: true }).locator('..')
     await editRow.getByRole('button', { name: 'Edit queued message' }).click()
     const editor = page.getByRole('textbox', { name: 'Edit queued message' })
@@ -111,21 +144,38 @@ describe('web e2e: queue row actions', () => {
 
     const snapshot = await captureStableAria(page, '[class*="centerCol"]', scaffold.workspaceCwd)
     await compareOrRefreshGolden(UI_EXPECTED, snapshot, MODE)
-    expect(sessionEvents.filter(event => event.type === 'user/message')).toHaveLength(1)
+    expect(sessionEvents.filter(event => event.type === 'user/message' && event.data.source.kind === 'user')).toHaveLength(1)
     expect(tripwire.pageErrors).toEqual([])
     expect(tripwire.warnings).toEqual([])
 
-    const editedRow = page.getByText(EDITED, { exact: true }).locator('..')
-    await editedRow.getByRole('button', { name: 'Remove queued message' }).click()
-    await expect.poll(() => page.getByText(EDITED, { exact: true }).count()).toBe(0)
+    await input.fill(TAIL)
+    await input.press('Enter')
+    await expect.poll(
+      () => page.getByRole('button', { name: 'Remove queued message' }).count(),
+      { timeout: 10_000 },
+    ).toBe(2)
+
+    await page.getByRole('button', { name: 'Stop generating' }).click()
+    await expect.poll(() => existsSync(nextReadyFile), { timeout: 15_000 }).toBe(true)
+    await page.getByText(TAIL, { exact: true }).waitFor()
+    await expect.poll(() => page.getByRole('button', { name: 'Remove queued message' }).count())
+      .toBe(1)
+
+    const preservedSnapshot = await captureStableAria(page, '[class*="centerCol"]', scaffold.workspaceCwd)
+    await compareOrRefreshGolden(PRESERVED_EXPECTED, preservedSnapshot, MODE)
+
     await page.getByRole('button', { name: 'Stop generating' }).click()
     await settled
+    expect(turnEndReasons(sessionEvents)).toEqual(['aborted', 'aborted', 'completed'])
+    expect(sessionEvents.filter(event => event.type === 'user/message' && event.data.source.kind === 'user'))
+      .toHaveLength(3)
+    await expect.poll(() => page.locator('[data-queue-dock]').count()).toBe(0)
   }, 120_000)
 
   it.skipIf(MODE === 'record')('keeps its snapshot inventory closed', async () => {
     await assertFixtureInventory(
       SNAPSHOT_DIR,
-      ['collapsed.expected.md', 'editing.expected.md', 'ui.expected.md'],
+      ['collapsed.expected.md', 'editing.expected.md', 'preserved.expected.md', 'ui.expected.md'],
     )
   })
 })
diff --git a/apps/web/tests/replay-round-trip.e2e.ts b/apps/web/tests/replay-round-trip.e2e.ts
index 01544ad71f..cf1121599b 100644
--- a/apps/web/tests/replay-round-trip.e2e.ts
+++ b/apps/web/tests/replay-round-trip.e2e.ts
@@ -48,7 +48,7 @@ describe('web e2e: fresh round trip through the real assembly', () => {
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
     // Fresh world: connect a Workspace so the composer scenarios start live.
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
   }, 120_000)
 
   afterAll(async () => {
diff --git a/apps/web/tests/scaffold.ts b/apps/web/tests/scaffold.ts
index c30ab0eb66..dbc77cf338 100644
--- a/apps/web/tests/scaffold.ts
+++ b/apps/web/tests/scaffold.ts
@@ -11,13 +11,14 @@
 // masking its credential, without making a model call.
 //
 // Composition divergences from `dsh web`, all deliberate, all via include
-// patches after the shipped surface overlay: temp persistenceRoot; local skill
-// roots confined to the temp workspace; workspace-context disabled (recorded
-// fixtures must not embed this repo's AGENTS.md); session-title-llm disabled
-// (its fire-and-forget title call would race the loop for the session's replay
-// cursor); webserver pinned to port 0 with the built dist; ordinary keyless
-// modes disable llm-deepseek and fill the open llm seam post-boot with
-// installLlmReplay on the settled root ctx
+// patches after the shipped surface overlay, over the SAME tree (never a
+// second yml): temp persistenceRoot; host-level skill roots confined to the
+// temp workspace while project skill discovery remains real; workspace-context
+// disabled (recorded fixtures must not embed this repo's AGENTS.md);
+// session-title-llm disabled (its fire-and-forget title call would race the
+// loop for the session's replay cursor); webserver pinned to port 0 with the
+// built dist; ordinary keyless modes disable llm-deepseek and fill the open
+// llm seam post-boot with installLlmReplay on the settled root ctx
 // (the plugin-row path discards the ReplayHandle; the direct install keeps
 // assertConsumed for the teardown fixture-consumption check).
 import { existsSync } from 'node:fs'
@@ -32,6 +33,11 @@ import Loader from '@cordisjs/plugin-loader'
 import Include, { type PatchOptions } from '@cordisjs/plugin-include'
 import { scrubRequestHeaders } from '@deepseek-ai/dsh-acp-snapshot'
 import { assertEntriesLoaded, loadOverlayPatches } from '@deepseek-ai/dsh-app-boot'
+import { dshHomePath } from '@deepseek-ai/dsh-paths'
+import {
+  WELCOME_NOTICE_ACK_FIELD, WELCOME_NOTICE_SETTINGS_NAMESPACE, WELCOME_NOTICE_VERSION,
+} from '@deepseek-ai/dsh-client-ui-settings-general'
+import { settingsNamespace } from '@deepseek-ai/dsh-settings'
 import type { ReplayHandle } from '@deepseek-ai/dsh-llm-replay'
 import { installLlmReplay, parseSessionLog } from '@deepseek-ai/dsh-llm-replay'
 import SessionStore, {
@@ -100,6 +106,12 @@ export interface WebScaffold {
 
 /** Options for {@link launchWebScaffold}. */
 export interface LaunchOptions {
+  /**
+   * Optional product overlay applied after the shipped Web surface and before
+   * the scaffold's hermetic test patches, matching AppCLIEntry's `--config`
+   * ordering.
+   */
+  extraOverlayPath?: string
   /**
    * Replay fixture (session.jsonl) served by the inserted dsh-llm-replay row
    * in replay/refresh modes; ignored in record mode (the real adapter
@@ -135,6 +147,19 @@ export interface LaunchOptions {
    * keyless first-run configuration lane; the default disables the adapter.
    */
   deepSeekMissingCredential?: boolean
+  /**
+   * Patch the shipped DeepSeek search row to a deterministic endpoint and
+   * credential reference. Browser search scenarios keep the real provider and
+   * credentials seam while avoiding external search traffic and ambient keys.
+   */
+  deepSeekSearch?: {
+    /** Anthropic-compatible base URL; the provider appends `/messages`. */
+    baseURL: string
+    /** Credential reference resolved by the shipped search provider. */
+    apiKeyEnv: string
+  }
+  /** Leave the current welcome notice unacknowledged; ordinary scenarios publish it as complete before browser boot. */
+  welcomeNoticePending?: boolean
 }
 
 /** Dispose the booted tree and remove both owned temp roots, reporting every independent cleanup failure. */
@@ -196,12 +221,17 @@ export async function launchWebScaffold(options: LaunchOptions = {}): Promise<We
   // snapshot overlay use, applied over the SAME shipped tree (a patch id that
   // stops matching a row fails the boot sweep loudly instead of drifting).
   const surfacePatches = loadOverlayPatches('web e2e scaffold', WEB_OVERLAY_PATH)
+  const extraOverlayPatches = options.extraOverlayPath === undefined
+    ? []
+    : loadOverlayPatches('web e2e scaffold', options.extraOverlayPath)
   const patches: PatchOptions[] = [
     ...surfacePatches,
+    ...extraOverlayPatches,
     { id: 'session-persistence-jsonl', config: { root: persistenceRoot } },
-    // storage-json's './.storages' yml default is cwd-relative and resolves
-    // per write; the scaffold restores the original cwd after boot, so the
-    // row gets an absolute temp root (removed with the workspace at close).
+    { id: 'session-query-sqlite', config: { path: ':memory:', openAt: 'first-search' } },
+    // storage-json's yml root is anchored to the real $DSH_HOME; pin the row
+    // to an absolute temp root (removed with the workspace at close) so tests
+    // never write the user's harness home.
     { id: 'storage-json', config: { root: join(workspaceCwd, '.dsh-storages') } },
     // Skill discovery is model-visible input. Pin every host-level root inside
     // the owned temp world so ~/.dsh, ~/.agents, and a bundled-root env setting
@@ -240,6 +270,15 @@ export async function launchWebScaffold(options: LaunchOptions = {}): Promise<We
     ...options.cordisTools === true
       ? [{ insert: [{ id: 'tool-cordis', name: 'cordis:tool-cordis' }] }]
       : [],
+    ...options.deepSeekSearch === undefined
+      ? []
+      : [{
+        id: 'web-search-deepseek',
+        config: {
+          apiKeyEnv: options.deepSeekSearch.apiKeyEnv,
+          baseURL: options.deepSeekSearch.baseURL,
+        },
+      }],
     ...mode === 'record' || options.deepSeekMissingCredential === true
       ? []
       : [{ id: 'llm-deepseek', disabled: true }],
@@ -254,6 +293,8 @@ export async function launchWebScaffold(options: LaunchOptions = {}): Promise<We
   try {
     process.chdir(workspaceCwd)
     ctx.baseUrl = pathToFileURL(join(resolve(CONFIG_PATH), '..')).href + '/'
+    // This direct Loader harness supplies the same root-path capability as app-boot.
+    ctx.provide('dshHomePath', dshHomePath)
     await ctx.plugin(Loader)
     ctx.loader.builtins.include = Include
     // The shipped CLI deliberately has no dependency on this opt-in package.
@@ -265,6 +306,11 @@ export async function launchWebScaffold(options: LaunchOptions = {}): Promise<We
     })
     await ctx.loader.await()
     assertEntriesLoaded(ctx, 'web e2e scaffold')
+    if (options.welcomeNoticePending !== true) {
+      await ctx.settings.mutate(settingsNamespace(WELCOME_NOTICE_SETTINGS_NAMESPACE), [{
+        op: 'set', path: [WELCOME_NOTICE_ACK_FIELD], value: WELCOME_NOTICE_VERSION,
+      }])
+    }
     const boundPort = ctx.get('httpServer')?.port
     if (boundPort === undefined) {
       throw new Error('web e2e scaffold: httpServer service missing after settled boot')
@@ -445,7 +491,7 @@ export async function seedSession(scaffold: WebScaffold, fixtureText: string, id
  * volatility collapse to stable tokens.
  */
 function normalizeAria(snapshot: string, workspaceCwd: string): string {
-  // The header breadcrumb renders the workspace's basename, not the full
+  // The session heading renders the workspace's basename, not the full
   // path, so both spellings must collapse to the token.
   const base = workspaceCwd.split('/').pop()!
   return snapshot
diff --git a/apps/web/tests/search-card.snapshot.ts b/apps/web/tests/search-card.snapshot.ts
new file mode 100644
index 0000000000..2bfa4f9244
--- /dev/null
+++ b/apps/web/tests/search-card.snapshot.ts
@@ -0,0 +1,170 @@
+// @vitest-environment jsdom
+// Assembled search-card snapshot: boots the real built `packages/client/*/lib/
+// client.js` bundles through AppWebEntry's ModuleLoader path against the keyless
+// FixtureApiClient transport (no API key, no model round), opens the fixture
+// session, and pins the search card the `grep` turn (fixture turn 66) renders in
+// the assembled application. The built-boot smoke proves the graph boots but
+// carries no behavior assertions by contract; this is the assembled-output check
+// that a broken SearchRow registration or a dropped card would fail — the
+// per-package suites bench over src and cannot see the bundled wiring.
+//
+// Keyless and deterministic: the fixture is the fake server, so the grep turn's
+// matches, its truncation summary, and its head/tail cap are fixed in the
+// fixture, not harvested from a live model. The recovery-footer arm is a pure
+// derivation over the result view, pinned at every render site by the
+// ui-conversation suite; here the fixture turn exercises the assembled card
+// shape and its cap.
+import { mkdirSync, readFileSync, writeFileSync } from 'node:fs'
+import { dirname, join } from 'node:path'
+import { act, cleanup, fireEvent, screen, waitFor, within } from '@testing-library/react'
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import type { WebBootEntry } from '@deepseek-ai/dsh-client-modules/client'
+import { AppWebEntry } from '@deepseek-ai/dsh-client-web'
+
+const EXPECTED = join(process.cwd(), 'apps/web/tests/snapshots/search-card/grep-card.expected.txt')
+const refreshing = process.env.DSH_SNAPSHOT === 'record' || process.env.DSH_SNAPSHOT === 'refresh'
+
+const PLUGINS: readonly (WebBootEntry & { dir: string })[] = [
+  { id: '@deepseek-ai/dsh-client-connection', dir: 'connection', url: '/plugins/connection.js', rev: 'fx', inject: [], immediately: true },
+  { id: '@deepseek-ai/dsh-client-runtime', dir: 'runtime', url: '/plugins/runtime.js', rev: 'fx', inject: ['@deepseek-ai/dsh-client-connection'], immediately: true },
+  { id: '@deepseek-ai/dsh-client-ui-theme', dir: 'ui-theme', url: '/plugins/ui-theme.js', rev: 'fx', inject: [], immediately: true },
+  { id: '@deepseek-ai/dsh-client-locale', dir: 'locale', url: '/plugins/locale.js', rev: 'fx', inject: [], immediately: true },
+  { id: '@deepseek-ai/dsh-client-ui-layout', dir: 'ui-layout', url: '/plugins/ui-layout.js', rev: 'fx', inject: ['@deepseek-ai/dsh-client-runtime'] },
+  { id: '@deepseek-ai/dsh-client-ui-sidebar', dir: 'ui-sidebar', url: '/plugins/ui-sidebar.js', rev: 'fx', inject: ['@deepseek-ai/dsh-client-ui-layout'] },
+  { id: '@deepseek-ai/dsh-client-ui-conversation', dir: 'ui-conversation', url: '/plugins/ui-conversation.js', rev: 'fx', inject: ['@deepseek-ai/dsh-client-ui-layout'] },
+  {
+    id: '@deepseek-ai/dsh-client-ui-workspace',
+    dir: 'ui-workspace',
+    url: '/plugins/ui-workspace.js',
+    rev: 'fx',
+    inject: [
+      '@deepseek-ai/dsh-client-runtime',
+      '@deepseek-ai/dsh-client-ui-conversation',
+      '@deepseek-ai/dsh-client-ui-sidebar',
+    ],
+  },
+  { id: '@deepseek-ai/dsh-client-ui-trajectory', dir: 'ui-trajectory', url: '/plugins/ui-trajectory.js', rev: 'fx', inject: ['@deepseek-ai/dsh-client-ui-conversation'] },
+]
+
+const bundles = new Map(PLUGINS.map(plugin => [
+  plugin.url,
+  readFileSync(join(process.cwd(), 'packages/client', plugin.dir, 'lib/client.js'), 'utf8'),
+]))
+
+interface FixtureWindow extends Window {
+  __DSH_BOOT__?: { rev: string; entries: WebBootEntry[] }
+  __ModuleLoader__?: unknown
+}
+
+class ResizeObserverStub {
+  observe(): void {}
+  disconnect(): void {}
+  unobserve(): void {}
+}
+
+const win = window as FixtureWindow
+let unmount: (() => void) | undefined
+
+/** Normalize a rendered search card to a stable text shape: the kind, the banner
+ *  summary, each file header (path + count), each visible match line, the expand
+ *  control label, and the recovery footer. CSS-module class names carry a
+ *  per-build hash in one of two schemes — ui-primitives emits `_<name>_<hash>`
+ *  (name bounded by underscores), ui-conversation emits `<hash>_<name>` (name at
+ *  the end). `hasClass` matches a module class by its logical name under either,
+ *  without matching a longer name that contains it (`line` must not hit
+ *  `lineNumber`). */
+function hasClass(el: Element, name: string): boolean {
+  return [...el.classList].some(cls => cls === name || cls.endsWith(`_${name}`) || cls.startsWith(`_${name}_`) || cls.includes(`_${name}_`))
+}
+
+function cardShape(root: Element): string {
+  const card = root.querySelector('[data-search]')
+  if (card === null) return '<no search card>'
+  const pick = (from: Element, name: string): Element[] =>
+    [...from.querySelectorAll('*')].filter(el => hasClass(el, name))
+  const lines: string[] = [`kind=${card.getAttribute('data-search')}`]
+  const summary = pick(card, 'summary')[0]?.textContent?.trim()
+  if (summary !== undefined && summary !== '') lines.push(`summary=${summary}`)
+  for (const header of pick(card, 'fileHeader')) lines.push(`file=${header.textContent?.trim() ?? ''}`)
+  for (const row of pick(card, 'line')) lines.push(`line=${row.textContent?.trim() ?? ''}`)
+  const expand = pick(card, 'expand')[0]?.textContent?.trim()
+  if (expand !== undefined && expand !== '') lines.push(`expand=${expand}`)
+  const recovery = pick(root, 'searchRecovery')[0]?.textContent?.trim()
+  if (recovery !== undefined && recovery !== '') lines.push(`recovery=${recovery}`)
+  return lines.join('\n')
+}
+
+beforeEach(() => {
+  localStorage.clear()
+  // English pinned before boot so the sidebar's role/text locators stay
+  // deterministic (the built-boot smoke's convention).
+  localStorage.setItem('dsh.locale', 'en')
+  document.title = 'DeepSeek Harness'
+  vi.stubGlobal('ResizeObserver', ResizeObserverStub)
+  vi.stubGlobal('requestAnimationFrame', (callback: FrameRequestCallback) =>
+    setTimeout(() => { callback(0) }, 0) as unknown as number)
+  vi.stubGlobal('cancelAnimationFrame', (id: number) => { clearTimeout(id) })
+})
+
+afterEach(() => {
+  act(() => { unmount?.() })
+  unmount = undefined
+  cleanup()
+  delete win.__DSH_BOOT__
+  delete win.__ModuleLoader__
+  document.body.innerHTML = ''
+  document.head.querySelectorAll('style[data-plugin]').forEach((style) => { style.remove() })
+  document.title = ''
+  history.replaceState(null, '', '/')
+  vi.unstubAllGlobals()
+})
+
+describe('assembled search card', () => {
+  it('renders the grep card, its truncation summary, and its capped head/tail slice from the built bundles', async () => {
+    history.replaceState(null, '', '/?fixture')
+    const root = document.createElement('div')
+    root.id = 'root'
+    document.body.appendChild(root)
+    win.__DSH_BOOT__ = { rev: 'fx', entries: PLUGINS.map(({ dir: _dir, ...plugin }) => plugin) }
+    act(() => {
+      const entry = new AppWebEntry(root, {
+        fetchBundle: (url) => {
+          const code = bundles.get(url)
+          return code === undefined ? Promise.reject(new Error(`missing built bundle ${url}`)) : Promise.resolve(code)
+        },
+        executeBundle: (code) => { (0, eval)(code) },
+      })
+      void entry.run()
+      unmount = () => { entry.dispose() }
+    })
+
+    const tree = await screen.findByRole('tree', { name: 'Sessions' }, { timeout: 10_000 })
+    fireEvent.click(await within(tree).findByText('Fixture 历史会话'))
+    // Wait for chat content to reach the fixture's later turns (the bash sample
+    // is turn 65, the grep card turn 66).
+    await waitFor(() => {
+      expect(document.querySelector('[data-sample="bash-global"]')).not.toBeNull()
+    }, { timeout: 10_000 })
+    // The grep turn's keyed SearchRow composes ToolRow: the card is collapsed
+    // by default, so wait for the summary row, then expand it to reach the card.
+    await waitFor(() => {
+      const tools = [...document.querySelectorAll('[data-tool]')].map(el => el.getAttribute('data-tool'))
+      expect(tools, `tools present: ${tools.join(', ')}`).toContain('grep')
+    }, { timeout: 10_000 })
+
+    // `data-tool` sits on the ToolRow root; the collapsed row is the expand
+    // toggle. Click it so the card and its recovery footer mount, then shape the
+    // whole row (the card lives inside ToolRow's body wrapper).
+    const grepRow = document.querySelector('[data-tool="grep"]')!
+    act(() => { fireEvent.click(grepRow.querySelector('[data-expandable]') ?? grepRow) })
+    await waitFor(() => {
+      expect(grepRow.querySelector('[data-search]')).not.toBeNull()
+    }, { timeout: 10_000 })
+    const shape = cardShape(grepRow)
+    if (refreshing) {
+      mkdirSync(dirname(EXPECTED), { recursive: true })
+      writeFileSync(EXPECTED, shape)
+    }
+    await expect(shape).toMatchFileSnapshot(EXPECTED)
+  })
+})
diff --git a/apps/web/tests/seeded-history.e2e.ts b/apps/web/tests/seeded-history.e2e.ts
index 3437c41e18..6a4c079953 100644
--- a/apps/web/tests/seeded-history.e2e.ts
+++ b/apps/web/tests/seeded-history.e2e.ts
@@ -1,11 +1,12 @@
 // Web e2e scenario: seeded history. A recorded session seeded cold through
 // the REAL persistence API renders purely from the log — the surface nothing
 // else covers: sidebar cold listing, the implicit resume/attach inside the
-// history RPC, history-page tool views, and the client fold of historical
+// history RPC, history-page tool views, and the client's log-ordered transcript
 // events — with ZERO model calls in replay (no replay fixture; a stray stream
 // fails loud on the open llm seam). The cold session also carries the one
 // keyless command-row surface: an Access-chip pick runs `/permission` on the
-// host, so the settled row's copy has a golden here. The seed is a recorded fixture under the
+// host, so the settled row's copy has a golden here. The seed is a recorded
+// fixture under the
 // same record discipline as every other: DSH_SNAPSHOT=record drives the turn
 // live through the composer (real read tool against seeded workspace files)
 // and harvests seed.jsonl; replay/refresh seed it cold and only render.
@@ -34,6 +35,90 @@ const SEED_ID = 'seeded-history-web-e2e'
 
 const PROMPT = 'Use the read tool twice in one assistant message: read a.txt and b.txt. Then reply with the single word DONE and stop.'
 
+/**
+ * Append a complete, valid compaction transaction over the recorded turn's own
+ * surface. The recording stays model-authentic and reusable; replay adds this
+ * deterministic condition before seeding it cold, so the scenario pins the bug
+ * this change fixes — a landed compaction must not erase history the reader
+ * already saw — through the real host and the real browser.
+ * @param raw - the committed seed fixture text.
+ * @returns the fixture with a compacted turn appended.
+ */
+function withCompaction(raw: string): string {
+  const lines = raw.trimEnd().split('\n')
+  const events = lines.slice(1).map(line => JSON.parse(line) as {
+    type: string
+    seq: number
+    time: number
+    surfaceOp?: unknown
+    data?: { turn?: unknown }
+  })
+  const surfaceSeqs = events
+    .filter(event => event.surfaceOp === 'append'
+      && (event.type === 'user/message'
+        || event.type === 'assistant/message'
+        || event.type === 'tool/result'
+        || event.type === 'steering/message'))
+    .map(event => event.seq)
+  const first = surfaceSeqs[0]
+  const last = surfaceSeqs.at(-1)
+  const tail = events.at(-1)
+  if (first === undefined || last === undefined || tail === undefined) {
+    throw new Error('seeded-history compaction requires a non-empty closed surface')
+  }
+  // The transaction opens the turn after the recording's last closed one; read
+  // it from the fixture so a re-recording with a different turn count stays
+  // valid instead of appending a duplicate turn number.
+  const lastTurn = events.filter(event => event.type === 'turn/end').at(-1)?.data?.turn
+  if (typeof lastTurn !== 'number') {
+    throw new Error('seeded-history compaction requires a recording ending on a closed turn')
+  }
+  const turn = lastTurn + 1
+  let seq = tail.seq + 1
+  let time = tail.time + 1
+  /**
+   * Append one event at the next seq/time.
+   * @param event - the event body, without seq/time.
+   * @returns the seq it took, so provenance cites the push instead of arithmetic over the push order below.
+   */
+  const at = (event: Record<string, unknown>): number => {
+    const taken = seq++
+    lines.push(JSON.stringify({ ...event, seq: taken, time: time++ }))
+    return taken
+  }
+  at({ type: 'turn/start', data: { turn, trigger: { kind: 'injection', source: { kind: 'plugin', plugin: 'compact' } } } })
+  const startSeq = at({ type: 'compact/start', data: { turn } })
+  const summarySeq = at({
+    type: 'compact/summary',
+    data: {
+      summary: [{
+        type: 'text',
+        text: '## Cold resume compact summary\n\n- The exact summary remains available.',
+      }],
+      shadowedRange: { start: first, end: last },
+      shadowedSeqs: surfaceSeqs,
+      shadowedTokenCount: 10_000,
+      provider: 'snapshot',
+      model: 'snapshot-compactor',
+    },
+  })
+  at({
+    type: 'user/message',
+    data: {
+      content: [{
+        type: 'text',
+        text: '<context_checkpoint>Model-only compact checkpoint.</context_checkpoint>',
+      }],
+      source: { kind: 'plugin', plugin: 'compact' },
+    },
+    surfaceOp: { op: 'replace', start: first, end: last },
+    sourceEventSeqs: [startSeq, summarySeq, ...surfaceSeqs],
+  })
+  at({ type: 'compact/end', data: { turn } })
+  at({ type: 'turn/end', data: { turn, reason: { kind: 'completed' } } })
+  return `${lines.join('\n')}\n`
+}
+
 describe('web e2e: seeded history renders through cold resume', () => {
   let scaffold: WebScaffold
   let browser: Browser
@@ -42,7 +127,7 @@ describe('web e2e: seeded history renders through cold resume', () => {
 
   beforeAll(async () => {
     scaffold = await launchWebScaffold({})
-    // The workspace-aware flow runs sessions in <workspaceRoot>/workspace
+    // The workspace-aware flow runs sessions in <workspaceCwd>/workspace
     // (the composer's default draft name); the read-tool targets must live in
     // that session cwd. Pre-creating the directory is safe: create-by-name
     // adopts an existing directory.
@@ -53,7 +138,7 @@ describe('web e2e: seeded history renders through cold resume', () => {
     if (MODE !== 'record') {
       const raw = await readFile(SEED, 'utf8')
       expect(fixtureUserPrompts(raw), 'seed fixture must carry exactly the drive prompt').toEqual([PROMPT])
-      await seedSession(scaffold, raw, SEED_ID)
+      await seedSession(scaffold, withCompaction(raw), SEED_ID)
     }
     browser = await chromium.launch()
     page = await newEnglishPage(browser)
@@ -119,11 +204,15 @@ describe('web e2e: seeded history renders through cold resume', () => {
     await sessionRow.click()
     // Settled barrier for history: the recorded final assistant text renders.
     await expect.poll(() => page.getByText('DONE', { exact: true }).count(), { timeout: 15_000 }).toBe(1)
+    await expect.poll(() => page.getByText('Context compacted', { exact: true }).count(), { timeout: 10_000 }).toBe(1)
     // Tool cards render from logged tool/call + tool/result alone (views are
     // host-recomputed per page; the generic card is the documented default).
     const toolRows = page.locator('[data-variant], [data-sample]')
     await expect.poll(() => toolRows.count(), { timeout: 10_000 }).toBeGreaterThanOrEqual(2)
     expect(await page.getByText('a.txt', { exact: false }).count()).toBeGreaterThan(0)
+    // The bug this fixes: the compaction shadowed the whole recorded surface on
+    // the model side, and the prompt and full tool output are still on screen.
+    expect(await page.getByText(PROMPT, { exact: true }).count()).toBe(1)
 
     const agent = scaffold.ctx.agents.get(SessionId(SEED_ID))
     if (agent === undefined) throw new Error('seeded session did not attach an agent')
@@ -230,6 +319,22 @@ describe('web e2e: seeded history renders through cold resume', () => {
     await expect.poll(() => page.getByText('a.txt', { exact: false }).count(), { timeout: 5_000 }).toBeGreaterThan(0)
   })
 
+  it.skipIf(MODE === 'record')('expands the cold-resumed compact summary', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-seeded-compaction'))
+    const marker = page.getByRole('button', { name: /Context compacted/ })
+    await marker.waitFor({ timeout: 10_000 })
+    expect(await marker.getAttribute('aria-expanded')).toBe('false')
+    await marker.click()
+    await expect.poll(() => marker.getAttribute('aria-expanded'), { timeout: 5_000 }).toBe('true')
+    await expect.poll(() => page.getByRole('heading', { name: 'Cold resume compact summary' }).count(), {
+      timeout: 5_000,
+    }).toBe(1)
+    expect(await page.getByText('The exact summary remains available.', { exact: false }).count()).toBeGreaterThan(0)
+    // Restore the shared page state for any later case.
+    await marker.click()
+    await expect.poll(() => marker.getAttribute('aria-expanded'), { timeout: 5_000 }).toBe('false')
+  })
+
   it.skipIf(MODE === 'record')('an Access-chip switch lands one command row: bare name, non-repeating settlement text', async () => {
     onTestFailed(() => saveFailureShot(page, 'web-e2e-seeded-command-row'))
     // The Access chip submits `/permission <preset>` — a host command with no
@@ -238,7 +343,7 @@ describe('web e2e: seeded history renders through cold resume', () => {
     // where neither half repeats the other (the dispatched `/` and its
     // argument stay out of the title, and the settlement text never restates
     // the command's own name).
-    await page.getByRole('button', { name: 'Access mode, current: Danger Full Access' }).click()
+    await page.getByRole('button', { name: 'Access mode, current: Full access' }).click()
     await page.getByRole('menuitem', { name: 'Workspace Write' }).click()
     await page.getByRole('button', { name: 'Access mode, current: Workspace Write' }).waitFor({ timeout: 10_000 })
     // Scoped to the row itself, so unrelated page text that happens to read
@@ -252,6 +357,27 @@ describe('web e2e: seeded history renders through cold resume', () => {
     await compareOrRefreshGolden(COMMAND_ROW_EXPECTED, snapshot, MODE)
   }, 60_000)
 
+  it.skipIf(MODE === 'record')('fits short injected context without a scrollport', async () => {
+    const agent = scaffold.ctx.agents.get(SessionId(SEED_ID))
+    if (agent === undefined) throw new Error('seeded session did not attach an agent')
+    agent.inject(createUserMessage({
+      content: [{ type: 'text', text: 'Short injected context.' }],
+      source: { kind: 'plugin', plugin: 'fixture' },
+    }))
+
+    const disclosures = page.getByRole('button', { name: 'Context injection' })
+    await expect.poll(() => disclosures.count(), { timeout: 10_000 }).toBe(2)
+    const disclosure = disclosures.nth(1)
+    await disclosure.click()
+    await expect.poll(() => disclosure.getAttribute('aria-expanded')).toBe('true')
+
+    const body = page.locator('[data-context-injection-body]')
+    const bodyBox = await body.boundingBox()
+    if (bodyBox === null) throw new Error('short context disclosure geometry is not measurable')
+    expect(bodyBox.height).toBeLessThan(141)
+    expect(await body.evaluate(element => element.scrollHeight > element.clientHeight)).toBe(false)
+  })
+
   it.skipIf(MODE === 'record')('issued zero model calls and stayed clean', async () => {
     // No replay fixture was installed and the llm seam is open — any stray
     // stream would have failed the turn loudly. Cleanliness pins the wire.
diff --git a/apps/web/tests/settings-chrome.e2e.ts b/apps/web/tests/settings-chrome.e2e.ts
index 775f1596df..a1d77657b8 100644
--- a/apps/web/tests/settings-chrome.e2e.ts
+++ b/apps/web/tests/settings-chrome.e2e.ts
@@ -2,26 +2,29 @@
 // section switching, both close paths), the Appearance preference row (the
 // real theme gesture — click 深色 and the whole cascade runs: ThemeService preference -> localStorage dsh.theme
 // -> theme/change -> ui-layout's presenter -> body attribute -> alias token)
-// and the Language row (settings-scoped localization + persisted dsh.locale).
+// and the Language row (settings-scoped localization + persisted dsh.locale),
+// plus Permission as the persisted default for subsequently created sessions.
 // Zero model calls: everything is pure client + persistence state on a blank
 // frame, so there is no fixture and a stray stream would fail loud on the
 // open llm seam.
+import { readFile } from 'node:fs/promises'
 import { fileURLToPath } from 'node:url'
 import type { Browser, Page } from 'playwright'
 import { chromium } from 'playwright'
 import { afterAll, beforeAll, describe, expect, it, onTestFailed } from 'vitest'
 import { join } from 'node:path'
+import { SessionId } from '@deepseek-ai/dsh-session'
 import {
   acknowledgeReloadConnectionLoss, assertFixtureInventory, captureStableAria, compareOrRefreshGolden,
   launchWebScaffold, watchConsole, webSnapshotMode, type WebScaffold,
 } from './scaffold.ts'
-import { saveFailureShot } from './support.ts'
+import { ZH_BROWSER_LOCALE, saveFailureShot } from './support.ts'
 
 const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/settings-chrome', import.meta.url))
 const DIALOG_EXPECTED = join(SNAPSHOT_DIR, 'dialog.expected.md')
 const MODE = webSnapshotMode()
 
-describe('web e2e: settings modal, appearance gesture, language switch', () => {
+describe('web e2e: settings modal and General preferences', () => {
   let scaffold: WebScaffold
   let browser: Browser
   let page: Page
@@ -30,7 +33,9 @@ describe('web e2e: settings modal, appearance gesture, language switch', () => {
   beforeAll(async () => {
     scaffold = await launchWebScaffold({})
     browser = await chromium.launch()
-    page = await browser.newPage({ viewport: { width: 1680, height: 1000 } })
+    // Chinese browser: the shared page asserts the localized settings surface
+    // the client derives from it (the English default has its own spec below).
+    page = await browser.newPage({ viewport: { width: 1680, height: 1000 }, locale: ZH_BROWSER_LOCALE })
     tripwire = watchConsole(page)
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
@@ -50,9 +55,9 @@ describe('web e2e: settings modal, appearance gesture, language switch', () => {
     const dialog = page.getByRole('dialog', { name: '设置' })
     await dialog.waitFor({ timeout: 10_000 })
     expect(await trigger.getAttribute('aria-expanded')).toBe('true')
-    // General is the active section by default; its skeleton rows plus the
-    // functional Language and Appearance rows render.
+    // General is active by default; Permission, Language and Appearance are functional.
     expect(await dialog.getByRole('button', { name: '通用设置' }).getAttribute('aria-current')).toBe('true')
+    await dialog.getByRole('button', { name: 'Full access' }).waitFor({ timeout: 10_000 })
     await expect.poll(() => dialog.getByText('语言', { exact: true }).count(), { timeout: 5_000 }).toBe(1)
     await expect.poll(() => dialog.getByText('外观', { exact: true }).count(), { timeout: 5_000 }).toBe(1)
     // Golden of the freshly opened dialog (default zh, General active).
@@ -73,6 +78,55 @@ describe('web e2e: settings modal, appearance gesture, language switch', () => {
     expect(tripwire.pageErrors).toEqual([])
   }, 60_000)
 
+  it('stores Permission as the default for future sessions without changing an existing session', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-settings-permission'))
+    const existing = scaffold.ctx.sessions.create(SessionId('settings-permission-before'))
+    expect(existing.events.find(event => event.type === 'permission/preset')?.data)
+      .toEqual({ preset: 'danger-full-access' })
+
+    await page.getByRole('button', { name: '设置', exact: true }).click()
+    const dialog = page.getByRole('dialog', { name: '设置' })
+    await dialog.waitFor({ timeout: 10_000 })
+    const selector = dialog.getByRole('button', { name: 'Full access' })
+    await selector.waitFor({ timeout: 10_000 })
+    await expect.poll(() => selector.isEnabled(), { timeout: 5_000 }).toBe(true)
+    await selector.click()
+    await page.getByRole('menuitem', { name: 'Read Only' }).click()
+    await dialog.getByRole('button', { name: 'Read Only' }).waitFor({ timeout: 10_000 })
+
+    const document = await readFile(join(scaffold.harnessHome, 'settings.yaml'), 'utf8')
+    expect(document).toContain('permission:')
+    expect(document).toContain('defaultPreset: read-only')
+    expect(existing.events.find(event => event.type === 'permission/preset')?.data)
+      .toEqual({ preset: 'danger-full-access' })
+
+    const created = scaffold.ctx.sessions.create(SessionId('settings-permission-after'))
+    expect(created.events.map(event => [event.type, event.data])).toEqual([
+      ['permission/preset', { preset: 'read-only' }],
+      ['sandbox/mode', { mode: 'read-only' }],
+      ['approval/policy', { policy: 'ask' }],
+    ])
+
+    await dialog.getByRole('button', { name: 'Read Only' }).click()
+    await page.getByRole('menuitem', { name: 'Full access' }).click()
+    const confirmation = page.getByRole('dialog', { name: '确认启用 Full access？' })
+    const enable = confirmation.getByRole('button', { name: '启用 Full access' })
+    expect(await enable.isDisabled()).toBe(true)
+    await confirmation.getByRole('checkbox').click()
+    await enable.click()
+    await dialog.getByRole('button', { name: 'Full access' }).waitFor({ timeout: 10_000 })
+    const confirmedDocument = await readFile(join(scaffold.harnessHome, 'settings.yaml'), 'utf8')
+    expect(confirmedDocument).toContain('defaultPreset: danger-full-access')
+    const confirmed = scaffold.ctx.sessions.create(SessionId('settings-permission-confirmed'))
+    expect(confirmed.events.map(event => [event.type, event.data])).toEqual([
+      ['permission/preset', { preset: 'danger-full-access' }],
+      ['sandbox/mode', { mode: 'danger-full-access' }],
+      ['approval/policy', { policy: 'never' }],
+    ])
+    await page.keyboard.press('Escape')
+    expect(tripwire.pageErrors).toEqual([])
+  }, 60_000)
+
   it('flips the theme through the Appearance cubes and persists across reload', async () => {
     onTestFailed(() => saveFailureShot(page, 'web-e2e-settings-appearance'))
     const readState = async (): Promise<{ attr: boolean; token: string; stored: string | null }> =>
@@ -163,6 +217,30 @@ describe('web e2e: settings modal, appearance gesture, language switch', () => {
     expect(tripwire.pageErrors).toEqual([])
   }, 90_000)
 
+  it('opens an English browser in English without any stored preference', async () => {
+    // A second page under a different browser language: nothing is persisted
+    // for it, so the settings surface must follow the browser rather than the
+    // product fallback the shared zh page shows.
+    const enPage = await browser.newPage({ viewport: { width: 1680, height: 1000 }, locale: 'en-US' })
+    const enTripwire = watchConsole(enPage)
+    onTestFailed(() => saveFailureShot(enPage, 'web-e2e-settings-browser-language'))
+    try {
+      await enPage.goto(scaffold.baseUrl, { waitUntil: 'load' })
+      await enPage.waitForSelector('[class*="frame"]', { timeout: 30_000 })
+      expect(await enPage.evaluate(() => localStorage.getItem('dsh.locale'))).toBeNull()
+      await enPage.getByRole('button', { name: 'Settings', exact: true }).click()
+      const dialog = enPage.getByRole('dialog', { name: 'Settings' })
+      await dialog.waitFor({ timeout: 10_000 })
+      await dialog.getByRole('button', { name: 'English' }).waitFor({ timeout: 10_000 })
+      // This page has no closing inventory spec to sweep its console, so the
+      // scenario clears both tripwire channels itself.
+      expect(enTripwire.pageErrors).toEqual([])
+      expect(enTripwire.warnings).toEqual([])
+    } finally {
+      await enPage.close()
+    }
+  }, 90_000)
+
   it.skipIf(MODE === 'record')('keeps the fixture inventory closed', async () => {
     expect(tripwire.warnings).toEqual([])
     await assertFixtureInventory(SNAPSHOT_DIR, ['dialog.expected.md'])
diff --git a/apps/web/tests/shipped-composition.e2e.ts b/apps/web/tests/shipped-composition.e2e.ts
new file mode 100644
index 0000000000..0cad833303
--- /dev/null
+++ b/apps/web/tests/shipped-composition.e2e.ts
@@ -0,0 +1,83 @@
+// Boots the shipped Web composition over the built dist this lane already uses
+// and asserts what that composition produces: the model-visible tool catalog
+// and the sandbox/approval knobs it ships with. No browser and no model call —
+// these are composition facts, and the browser scenarios in this lane cover the
+// surface itself.
+import { tmpdir } from 'node:os'
+import { afterEach, expect, it } from 'vitest'
+import { canonicalPath, writableRoots } from '@deepseek-ai/dsh-sandbox'
+// Empty type imports carry the tools/sandboxPolicy/approval Context merges.
+import type {} from '@deepseek-ai/dsh-tools'
+import type {} from '@deepseek-ai/dsh-sandbox-policy'
+import type {} from '@deepseek-ai/dsh-user-approval'
+import { launchWebScaffold, type WebScaffold } from './scaffold.ts'
+
+/**
+ * The catalog the shipped Web composition puts in front of the model, minus the
+ * ripgrep-dependent pair below. The absences are deliberate, not incidental
+ * gaps: the `cordis_*` toolset executes model-written JavaScript that no
+ * sandbox row confines, `web_fetch` chooses its own request target, and
+ * `mcp_*` servers spawn outside `ctx.bash`. The composition Agent Note owns the
+ * rationale and its sources.
+ */
+const EXPECTED_TOOLS = [
+  'ask_user_question',
+  'bash',
+  'create_goal',
+  'edit',
+  'exit_plan_mode',
+  'get_goal',
+  'ralph',
+  'read',
+  'session_event_read',
+  'session_event_search',
+  'session_event_trace',
+  'session_search',
+  'session_trace',
+  'skill',
+  'str_replace_editor',
+  'subagent',
+  'subagent_fork',
+  'task_kill',
+  'task_list',
+  'task_output',
+  'todo_write',
+  'update_goal',
+  'web_search',
+  'workflow',
+  'write',
+]
+
+/**
+ * `glob` and `grep` come from `dsh-tool-fs-search`, which probes `command -v rg`
+ * through the mounted bash executor at load and registers neither tool when
+ * ripgrep is absent. That is a host dependency, not a composition decision, so the
+ * pair is asserted separately — present together or absent together.
+ */
+const RIPGREP_TOOLS = ['glob', 'grep']
+
+let scaffold: WebScaffold | undefined
+
+afterEach(async () => {
+  await scaffold?.close()
+  scaffold = undefined
+})
+
+it('assembles the shipped Web catalog and keeps its access default', async () => {
+  scaffold = await launchWebScaffold()
+  const names = scaffold.ctx.tools.schemas().map(schema => schema.name).sort()
+  expect(names.filter(name => !RIPGREP_TOOLS.includes(name))).toEqual(EXPECTED_TOOLS)
+  expect([[], RIPGREP_TOOLS]).toContainEqual(names.filter(name => RIPGREP_TOOLS.includes(name)))
+  // `workspace-write` is not "the workspace and nothing else": the shared roots
+  // helper always admits the temp directories too. Pinning it against an
+  // explicit mode keeps the claim independent of this surface's default, and
+  // keeps a future boundary test from being run inside /tmp — where an
+  // "escape" write succeeds by design and reads as a sandbox failure.
+  expect(writableRoots(scaffold.ctx.sandboxPolicy.resolve({ mode: 'workspace-write' }))).toEqual(
+    expect.arrayContaining([canonicalPath('/tmp'), canonicalPath(tmpdir())]),
+  )
+  // The Web surface keeps its shipped access default; the base's confined one
+  // reaches the TUI. Pinning both keeps a base change from moving Web silently.
+  expect(scaffold.ctx.sandboxPolicy.defaultMode).toBe('danger-full-access')
+  expect(scaffold.ctx.approval.config.policy).toBe('never')
+}, 120_000)
diff --git a/apps/web/tests/skill-invocation-policy.e2e.ts b/apps/web/tests/skill-invocation-policy.e2e.ts
index cb252c724b..143bc0d4db 100644
--- a/apps/web/tests/skill-invocation-policy.e2e.ts
+++ b/apps/web/tests/skill-invocation-policy.e2e.ts
@@ -84,7 +84,7 @@ describe('web e2e: skill invocation policy through the real host', () => {
     tripwire = watchConsole(page)
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
   }, 120_000)
 
   afterAll(async () => {
diff --git a/apps/web/tests/smoke-real.e2e.ts b/apps/web/tests/smoke-real.e2e.ts
index d2b2d32f21..4a104724fb 100644
--- a/apps/web/tests/smoke-real.e2e.ts
+++ b/apps/web/tests/smoke-real.e2e.ts
@@ -20,7 +20,7 @@ import { createServer } from 'node:http'
 import { createRequire } from 'node:module'
 import { tmpdir } from 'node:os'
 import { join } from 'node:path'
-import { pathToFileURL } from 'node:url'
+import { fileURLToPath, pathToFileURL } from 'node:url'
 import type { Browser, Page } from 'playwright'
 import { chromium } from 'playwright'
 import { afterAll, beforeAll, describe, expect, it, onTestFailed } from 'vitest'
@@ -163,6 +163,8 @@ describe('dsh web keyless CLI smoke', () => {
         env: {
           ...process.env,
           DEEPSEEK_API_KEY: 'keyless-web-no-call',
+          DSH_HOME: join(sessionsDir, '.dsh'),
+          DSH_AGENTS_HOME: join(sessionsDir, '.agents'),
           TSX_TSCONFIG_PATH: join(REPO_ROOT, 'tsconfig.json'),
         },
         stdio: ['ignore', 'pipe', 'pipe'],
@@ -188,8 +190,12 @@ describe('dsh web keyless CLI smoke', () => {
     mkdirSync(join(workspace, '.git'))
     writeFileSync(join(workspace, 'AGENTS.md'), 'web-workspace-context-probe\n')
 
-    let resolveProviderRequest!: (request: { messages?: { role?: string; content?: string }[] }) => void
-    const providerRequest = new Promise<{ messages?: { role?: string; content?: string }[] }>((resolve) => {
+    interface NativeProviderRequest {
+      messages?: { role?: string; content?: string }[]
+      tools?: { function?: { name?: string } }[]
+    }
+    let resolveProviderRequest!: (request: NativeProviderRequest) => void
+    const providerRequest = new Promise<NativeProviderRequest>((resolve) => {
       resolveProviderRequest = resolve
     })
     const provider = createServer((request, response) => {
@@ -197,7 +203,7 @@ describe('dsh web keyless CLI smoke', () => {
       request.setEncoding('utf8')
       request.on('data', (chunk: string) => { body += chunk })
       request.on('end', () => {
-        resolveProviderRequest(JSON.parse(body) as { messages?: { role?: string; content?: string }[] })
+        resolveProviderRequest(JSON.parse(body) as NativeProviderRequest)
         response.writeHead(200, { 'content-type': 'text/event-stream' })
         response.end([
           'data: {"choices":[{"delta":{"role":"assistant","content":null,"reasoning_content":""}}]}',
@@ -222,6 +228,7 @@ describe('dsh web keyless CLI smoke', () => {
           DEEPSEEK_API_KEY: 'keyless-web-workspace',
           DEEPSEEK_BASE_URL: `http://127.0.0.1:${address.port}`,
           DSH_HOME: join(workspace, '.dsh'),
+          DSH_AGENTS_HOME: join(workspace, '.agents'),
           TSX_TSCONFIG_PATH: join(REPO_ROOT, 'tsconfig.json'),
         },
         stdio: ['ignore', 'pipe', 'pipe'],
@@ -241,6 +248,8 @@ describe('dsh web keyless CLI smoke', () => {
           setTimeout(() => { reject(new Error('provider request not received in 10s')) }, 10_000).unref()
         }),
       ])
+      expect(captured.messages?.some(message =>
+        message.role === 'user' && message.content?.includes('<available_skills>'))).toBe(false)
       const workspaceMessage = captured.messages?.find(message =>
         message.role === 'user' && message.content?.includes('web-workspace-context-probe'))
       expect(workspaceMessage).toMatchInlineSnapshot(`
@@ -256,6 +265,13 @@ describe('dsh web keyless CLI smoke', () => {
           "role": "user",
         }
       `)
+      expect(captured.tools?.map(tool => tool.function?.name)
+        .filter(name => name === 'web_search' || name === 'web_fetch'))
+        .toMatchInlineSnapshot(`
+          [
+            "web_search",
+          ]
+        `)
     } finally {
       const closed = child.exitCode === null
         ? new Promise<void>((resolveClose) => { child.once('close', () => { resolveClose() }) })
@@ -267,6 +283,98 @@ describe('dsh web keyless CLI smoke', () => {
     }
   })
 
+  it('retries a partial transport failure through the shipped Web composition', async () => {
+    requireDist()
+    const workspace = mkdtempSync(join(tmpdir(), 'dsh-web-retry-'))
+    const promptMarker = 'WEB_RETRY_REQUEST'
+    const recoveredMarker = 'WEB_RETRY_RECOVERED'
+    let mainAttempts = 0
+    const provider = createServer((request, response) => {
+      let body = ''
+      request.setEncoding('utf8')
+      request.on('data', (chunk: string) => { body += chunk })
+      request.on('end', () => {
+        const parsed = JSON.parse(body) as { max_tokens?: number; messages?: unknown[] }
+        const titleRequest = parsed.max_tokens === 64
+        const mainRequest = !titleRequest && body.includes(promptMarker)
+        response.writeHead(200, { 'content-type': 'text/event-stream' })
+        if (!mainRequest) {
+          response.end([
+            'data: {"choices":[{"delta":{"content":"Web retry title"}}]}',
+            'data: {"choices":[{"delta":{"content":""},"finish_reason":"stop"}],"usage":{"prompt_tokens":1,"completion_tokens":1}}',
+            'data: [DONE]',
+            '',
+          ].join('\n\n'))
+          return
+        }
+        mainAttempts++
+        if (mainAttempts === 1) {
+          response.write('data: {"choices":[{"delta":{"content":"WEB_RETRY_DISCARDED"}}]}\n\n')
+          setTimeout(() => { response.destroy() }, 20)
+          return
+        }
+        response.end([
+          `data: {"choices":[{"delta":{"content":"${recoveredMarker}"}}]}`,
+          'data: {"choices":[{"delta":{"content":""},"finish_reason":"stop"}],"usage":{"prompt_tokens":3,"completion_tokens":1}}',
+          'data: [DONE]',
+          '',
+        ].join('\n\n'))
+      })
+    })
+    await new Promise<void>(resolve => provider.listen(0, '127.0.0.1', resolve))
+    const address = provider.address()
+    if (address === null || typeof address === 'string') throw new Error('mock provider did not bind a TCP port')
+    const tsxLoader = pathToFileURL(createRequire(join(REPO_ROOT, 'package.json')).resolve('tsx')).href
+    const child = spawn(
+      process.execPath,
+      ['--import', tsxLoader, join(REPO_ROOT, 'apps/cli/src/bin.ts'), 'web', '--port', '0'],
+      {
+        cwd: workspace,
+        env: {
+          ...process.env,
+          DEEPSEEK_API_KEY: 'keyless-web-retry',
+          DEEPSEEK_BASE_URL: `http://127.0.0.1:${address.port}`,
+          DSH_HOME: join(workspace, '.dsh'),
+          TSX_TSCONFIG_PATH: join(REPO_ROOT, 'tsconfig.json'),
+        },
+        stdio: ['ignore', 'pipe', 'pipe'],
+      },
+    )
+    try {
+      const baseUrl = await waitForReadyLine(child)
+      const created = await rpc<{ sessionId: string }>(baseUrl, 'session.create', {})
+      await rpc<{ accepted: true }>(baseUrl, 'session.prompt', {
+        sessionId: created.sessionId,
+        mode: 'queue',
+        content: [{ type: 'text', text: promptMarker }],
+      })
+      let page: HistoryPage | undefined
+      await expect.poll(async () => {
+        page = await history(baseUrl, created.sessionId)
+        return hasAssistantMarker(page, recoveredMarker)
+      }, { timeout: 20_000 }).toBe(true)
+      if (page === undefined) throw new Error('retry history was not observed')
+      const retry = page.events.find(({ event }) => event.type === 'llm/retry')?.event
+      expect(mainAttempts).toBe(2)
+      expect(retry?.data).toMatchObject({
+        turn: 1,
+        step: 1,
+        retry: 1,
+        maxRetries: 2,
+        failure: { code: 'TRANSPORT' },
+      })
+      expect(JSON.stringify(page.events)).toContain('WEB_RETRY_DISCARDED')
+    } finally {
+      const closed = child.exitCode === null
+        ? new Promise<void>((resolveClose) => { child.once('close', () => { resolveClose() }) })
+        : Promise.resolve()
+      if (child.exitCode === null) child.kill('SIGTERM')
+      await closed
+      await new Promise<void>(resolveClose => provider.close(() => { resolveClose() }))
+      rmSync(workspace, { recursive: true, force: true })
+    }
+  }, 30_000)
+
   it('DSH_TOOLS_MODE=code collapses the provider wire tools to run_code with the SDK prompt section', async () => {
     requireDist()
     const workspace = mkdtempSync(join(tmpdir(), 'dsh-web-code-mode-'))
@@ -310,6 +418,7 @@ describe('dsh web keyless CLI smoke', () => {
           DEEPSEEK_BASE_URL: `http://127.0.0.1:${address.port}`,
           DSH_TOOLS_MODE: 'code',
           DSH_HOME: join(workspace, '.dsh'),
+          DSH_AGENTS_HOME: join(workspace, '.agents'),
           TSX_TSCONFIG_PATH: join(REPO_ROOT, 'tsconfig.json'),
         },
         stdio: ['ignore', 'pipe', 'pipe'],
@@ -358,17 +467,23 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY || notReady.length > 0)('web smoke
     sessionsDir = mkdtempSync(join(tmpdir(), 'dsh-web-w5-'))
     const port = await probeFreePort()
     // tsx boot mirrors demo:web — lib/ may be unbuilt in this worktree. Isolate
-    // the global Harness home inside the temp world; tsx also needs the repo's
-    // loader and tsconfig paths pointed at explicitly.
+    // the host-level Harness and shared-agent homes inside the temp world; tsx
+    // also needs the repo's loader and tsconfig paths pointed at explicitly.
     const tsxLoader = pathToFileURL(createRequire(join(REPO_ROOT, 'package.json')).resolve('tsx')).href
     child = spawn(
       process.execPath,
-      ['--import', tsxLoader, join(REPO_ROOT, 'apps/cli/src/bin.ts'), 'web', '--port', String(port)],
+      [
+        '--import', tsxLoader, join(REPO_ROOT, 'apps/cli/src/bin.ts'), 'web', '--port', String(port),
+        // Pin the in-browser picker: the shipped `-auto` row would resolve to
+        // the native OS chooser on this bind, and no page can drive that.
+        '--config', fileURLToPath(new URL('./pin-browse-picker.overlay.yml', import.meta.url)),
+      ],
       {
         cwd: sessionsDir,
         env: {
           ...process.env,
           DSH_HOME: join(sessionsDir, '.dsh'),
+          DSH_AGENTS_HOME: join(sessionsDir, '.agents'),
           TSX_TSCONFIG_PATH: join(REPO_ROOT, 'tsconfig.json'),
         },
         stdio: ['ignore', 'pipe', 'pipe'],
@@ -403,8 +518,18 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY || notReady.length > 0)('web smoke
 
   it('2+3 empty-state first send completes a real model round', async () => {
     onTestFailed(() => saveFailureShot(page, 'w5-first-round'))
+    // This scenario spawns its own server against a fresh $DSH_HOME, so the
+    // first-run welcome notice is unacknowledged and its overlay owns pointer
+    // events (the shared scaffold acknowledges it before boot instead). The
+    // notice is anchored structurally, not by its copy: this spec sits in the
+    // client TypeScript program, which does not reference the package that
+    // owns the strings.
+    const welcome = page.locator('[class*="onboardingOverlay"]')
+    await welcome.waitFor({ timeout: 15_000 })
+    await welcome.getByRole('button').click()
+    await welcome.waitFor({ state: 'detached', timeout: 15_000 })
     // Fresh world: connect a Workspace so the composer starts live.
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, sessionsDir)
     const input = page.locator('textarea').first()
     await input.waitFor({ timeout: 10_000 })
     await screen(page, '02-empty-state')
diff --git a/apps/web/tests/snapshots/access-confirmation/ui.expected.md b/apps/web/tests/snapshots/access-confirmation/ui.expected.md
new file mode 100644
index 0000000000..1287e6e565
--- /dev/null
+++ b/apps/web/tests/snapshots/access-confirmation/ui.expected.md
@@ -0,0 +1,10 @@
+- dialog "确认启用 Full access？":
+  - heading "确认启用 Full access？" [level=2]
+  - button "Close":
+    - img
+  - img
+  - paragraph: 启用 Full access 后，agent 将减少确认步骤，并且可以直接执行更多操作，包括敏感操作、文件修改或外部命令。仅建议在你信任当前任务时使用。
+  - checkbox "我已了解风险，并愿意继续"
+  - text: 我已了解风险，并愿意继续
+  - button "取消"
+  - button "启用 Full access" [disabled]
diff --git a/apps/web/tests/snapshots/code-mode-round/ui.expected.md b/apps/web/tests/snapshots/code-mode-round/ui.expected.md
index afc722db14..9b539fc432 100644
--- a/apps/web/tests/snapshots/code-mode-round/ui.expected.md
+++ b/apps/web/tests/snapshots/code-mode-round/ui.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - 'button "Using ONE run_code program: run" [disabled]'
+  - 'heading "Using ONE run_code program: run" [level=1]'
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,19 +8,23 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - 'button "Think The user wants me to write a single `run_code` program that:"':
   - img
   - img
   - text: "Think The user wants me to write a single `run_code` program that:"
-- button:
+- button "Code Run bash echo and catch missing file read":
   - img
   - img
-- text: Code Run bash echo and catch missing file read
+  - text: Code Run bash echo and catch missing file read
 - img
-- text: Bash Echo CODE_ROUND_OK Read
-- button "missing.txt"
+- text: Bash Echo CODE_ROUND_OK Failed
+- 'button "Read Error: cannot read \"{{cwd}}/workspace/missing.txt\": not found"':
+  - img
+  - text: "Read Error: cannot read \"{{cwd}}/workspace/missing.txt\": not found"
 - button "Think The program ran successfully. Let me now reply DONE as instructed.":
   - img
   - img
@@ -33,12 +36,11 @@
   - img
 - text: {{clock}}
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps Tool call {{duration}} Cache hit 52% Input 17.2K tok · Output 252 tok
+- text: 1 turns · 2 steps Tool call {{duration}} Context 7% of 128K Cache hit 52% Input 17.2K tok · Output 252 tok
diff --git a/apps/web/tests/snapshots/composer-draft-scroll/geometry.expected.md b/apps/web/tests/snapshots/composer-draft-scroll/geometry.expected.md
new file mode 100644
index 0000000000..c15d0f0350
--- /dev/null
+++ b/apps/web/tests/snapshots/composer-draft-scroll/geometry.expected.md
@@ -0,0 +1,25 @@
+# Composer draft scrolling (14-line cap, two text layers)
+
+## At the start of the draft
+
+- draft overflows the capped box: true
+- visible lines: 14
+- both layers share one scroll extent: true
+- all three layers wrap at one width: true
+- textarea scroll offset: 0px
+- glyph layer tracks it: true
+- first draft line is on screen: true
+- last draft line is on screen: false
+
+## Scrolled to the end of the draft
+
+- textarea moved: true
+- glyph layer tracks it: true
+- first draft line has scrolled out above: true
+- last draft line is on screen: true
+
+## Draft ending in a newline, scrolled to the end
+
+- both layers share one scroll extent: true
+- glyph layer tracks the caret: true
+- last draft line is on screen: true
diff --git a/apps/web/tests/snapshots/cordis-tool-round/ui.expected.md b/apps/web/tests/snapshots/cordis-tool-round/ui.expected.md
index 297915e52f..6445b0fd8b 100644
--- a/apps/web/tests/snapshots/cordis-tool-round/ui.expected.md
+++ b/apps/web/tests/snapshots/cordis-tool-round/ui.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Use only Cordis tools. First" [disabled]
+  - heading "Use only Cordis tools. First" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,33 +8,38 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - button "Think The user wants me to:":
   - img
   - img
   - text: "Think The user wants me to:"
-- button:
+- button "Inspect temporary":
   - img
   - img
-- text: Inspect temporary
+  - text: Inspect temporary
 - 'button "Think Good, no temporary plugins running. Now step 2: call cordis_mount with the exact code."':
   - img
   - img
   - text: "Think Good, no temporary plugins running. Now step 2: call cordis_mount with the exact code."
-- button [expanded]:
+- 'button "Mount temporary Plugin return { name: \"snapshot-noop\", apply(ctx) {} }" [expanded]':
   - img
-- text: Mount temporary Plugin typescript
+  - text: "Mount temporary Plugin return { name: \"snapshot-noop\", apply(ctx) {} }"
+- text: typescript
 - button "Copy"
 - code: "return { name: \"snapshot-noop\", apply(ctx) {} }"
+- text: OUT Temporary Plugin dyn-1 is running (plugin "snapshot-noop"; available until unmounted or DSH restarts).
+- button "Inspect"
 - 'button "Think The id is \"dyn-1\". Now step 3: call cordis_unmount with that id."':
   - img
   - img
   - text: "Think The id is \"dyn-1\". Now step 3: call cordis_unmount with that id."
-- button:
+- button "Unmount temporary Plugin dyn-1":
   - img
   - img
-- text: Unmount temporary Plugin dyn-1
+  - text: Unmount temporary Plugin dyn-1
 - button "Think All three calls succeeded. I should now reply exactly \"CORDIS_UI_DONE\" and stop.":
   - img
   - img
@@ -47,12 +51,11 @@
   - img
 - text: {{clock}}
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 4 steps Tool call {{duration}} Cache hit 77% Input 66.5K tok · Output 312 tok
+- text: 1 turns · 4 steps Tool call {{duration}} Context 13% of 128K Cache hit 77% Input 66.5K tok · Output 312 tok
diff --git a/apps/web/tests/snapshots/fresh-round-trip/ui.expected.md b/apps/web/tests/snapshots/fresh-round-trip/ui.expected.md
index 089a9e8efe..32b0d9de50 100644
--- a/apps/web/tests/snapshots/fresh-round-trip/ui.expected.md
+++ b/apps/web/tests/snapshots/fresh-round-trip/ui.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Use the bash tool to" [disabled]
+  - heading "Use the bash tool to" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,16 +8,18 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - button "Think The user wants me to run a simple bash command and reply with \"DONE\".":
   - img
   - img
   - text: Think The user wants me to run a simple bash command and reply with "DONE".
-- img
-- text: Bash Echo the test string Done workspace echo WEB_E2E_OK
-- button "Copy"
-- text: WEB_E2E_OK
+- button "Bash Echo the test string":
+  - img
+  - img
+  - text: Bash Echo the test string
 - button "Think The command executed successfully and output \"WEB_E2E_OK\". I just need to reply with \"DONE\".":
   - img
   - img
@@ -30,12 +31,11 @@
   - img
 - text: {{clock}}
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps Tool call {{duration}} Cache hit 99% Input 15.7K tok · Output 111 tok
+- text: 1 turns · 2 steps Tool call {{duration}} Context 6% of 128K Cache hit 99% Input 15.7K tok · Output 111 tok
diff --git a/apps/web/tests/snapshots/lifecycle-chrome/command-menu.expected.md b/apps/web/tests/snapshots/lifecycle-chrome/command-menu.expected.md
new file mode 100644
index 0000000000..1da9b9a45e
--- /dev/null
+++ b/apps/web/tests/snapshots/lifecycle-chrome/command-menu.expected.md
@@ -0,0 +1,7 @@
+- listbox "Trigger suggestions":
+  - text: Commands
+  - option "compact Compact older conversation history" [selected]
+  - option "goal set or view the goal for a long-running task"
+  - option "permission Switch the permission preset (sandbox mode + approval policy)"
+  - option "plan Enter or leave plan mode"
+  - option "model Select the model for this conversation"
diff --git a/apps/web/tests/snapshots/lifecycle-chrome/hero.expected.md b/apps/web/tests/snapshots/lifecycle-chrome/hero.expected.md
index 70424a4c8c..7b6432ef87 100644
--- a/apps/web/tests/snapshots/lifecycle-chrome/hero.expected.md
+++ b/apps/web/tests/snapshots/lifecycle-chrome/hero.expected.md
@@ -7,7 +7,7 @@
 - text: Workspaces
 - button "Group by":
   - img
-- button "Create workspace":
+- button "Add workspace":
   - img
 - button "Search sessions":
   - img
@@ -16,7 +16,7 @@
   - treeitem "workspace 1 session" [expanded]:
     - img
     - text: workspace 1 session
-  - treeitem "New Session now" [selected]
+  - treeitem "New Session" [selected]
 - button "Settings":
   - img
   - text: Settings
@@ -26,10 +26,9 @@
   - text: workspace
   - img
 - textbox "Describe what you want to build"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
diff --git a/apps/web/tests/snapshots/lifecycle-chrome/plan-active.expected.md b/apps/web/tests/snapshots/lifecycle-chrome/plan-active.expected.md
new file mode 100644
index 0000000000..4aad3112e1
--- /dev/null
+++ b/apps/web/tests/snapshots/lifecycle-chrome/plan-active.expected.md
@@ -0,0 +1,39 @@
+- button "New session"
+- button "Collapse sidebar":
+  - img
+- button "New session":
+  - img
+  - text: New Session
+- text: Workspaces
+- button "Group by":
+  - img
+- button "Add workspace":
+  - img
+- button "Search sessions":
+  - img
+- textbox "Search name, keywords..."
+- tree "Sessions":
+  - treeitem "workspace 1 session" [expanded]:
+    - img
+    - text: workspace 1 session
+  - treeitem "New Session" [selected]
+- button "Settings":
+  - img
+  - text: Settings
+- text: Let's start building
+- button "Choose workspace":
+  - img
+  - text: workspace
+  - img
+- textbox "Describe what you want to build"
+- button "Commands":
+  - img
+- 'button "Access mode, current: Full access"': Full access
+- button "Plan mode on, press to turn off": Plan
+- button "Select model, current deepseek-v4-flash":
+  - text: deepseek-v4-flash
+  - img
+- button "Send message" [disabled]
+- text: Details
+- button "Close details"
+- text: Click a tool row in the message flow to view its details
diff --git a/apps/web/tests/snapshots/lifecycle-chrome/reloaded.expected.md b/apps/web/tests/snapshots/lifecycle-chrome/reloaded.expected.md
index 52e43a54f7..35921f50ce 100644
--- a/apps/web/tests/snapshots/lifecycle-chrome/reloaded.expected.md
+++ b/apps/web/tests/snapshots/lifecycle-chrome/reloaded.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Reply with the single word" [disabled]
+  - heading "Reply with the single word" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,8 +8,10 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - button "Think The user wants me to reply with a single word. Let me comply.":
   - img
   - img
@@ -22,12 +23,11 @@
   - img
 - text: {{clock}}
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 1 steps Cache hit 99% Input 7.8K tok · Output 21 tok
+- text: 1 turns · 1 steps Context 6% of 128K Cache hit 99% Input 7.8K tok · Output 21 tok
diff --git a/apps/web/tests/snapshots/live-interactions/cancel.expected.md b/apps/web/tests/snapshots/live-interactions/cancel.expected.md
index eab492b96e..2354cc2b66 100644
--- a/apps/web/tests/snapshots/live-interactions/cancel.expected.md
+++ b/apps/web/tests/snapshots/live-interactions/cancel.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Reply with a one-sentence description" [disabled]
+  - heading "Reply with a one-sentence description" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,8 +8,10 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - paragraph: partial
 - text: Stopped
 - button "Copy":
@@ -19,10 +20,9 @@
   - img
 - text: {{clock}}
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
diff --git a/apps/web/tests/snapshots/live-interactions/error-auth.expected.md b/apps/web/tests/snapshots/live-interactions/error-auth.expected.md
index b214ad80d5..05efb17f29 100644
--- a/apps/web/tests/snapshots/live-interactions/error-auth.expected.md
+++ b/apps/web/tests/snapshots/live-interactions/error-auth.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Reply with a one-sentence description" [disabled]
+  - heading "Reply with a one-sentence description" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,13 +8,17 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
+- status:
+  - text: This turn failedAPI key is invalid
+  - code: AUTH
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
diff --git a/apps/web/tests/snapshots/live-interactions/loading.expected.md b/apps/web/tests/snapshots/live-interactions/loading.expected.md
new file mode 100644
index 0000000000..ecabb944c2
--- /dev/null
+++ b/apps/web/tests/snapshots/live-interactions/loading.expected.md
@@ -0,0 +1,24 @@
+- banner:
+  - heading "Reply with a one-sentence description" [level=1]
+  - tablist:
+    - tab "Chat" [selected]
+    - tab "Trajectory"
+- text: Reply with a one-sentence description of event sourcing, then stop. {{clock}}
+- button "Copy":
+  - img
+- button "Branch into a new conversation":
+  - img
+- button "Context injection":
+  - img
+  - img
+  - text: Context injection
+- paragraph: partial
+- status: Deep diving...
+- textbox "Message the agent"
+- button "Commands":
+  - img
+- 'button "Access mode, current: Full access"': Full access
+- button "Select model, current DeepSeek-V4-Flash":
+  - text: DeepSeek-V4-Flash
+  - img
+- button "Stop generating"
diff --git a/apps/web/tests/snapshots/live-interactions/retry.expected.md b/apps/web/tests/snapshots/live-interactions/retry.expected.md
index 572d77b22e..4b57ca7a98 100644
--- a/apps/web/tests/snapshots/live-interactions/retry.expected.md
+++ b/apps/web/tests/snapshots/live-interactions/retry.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Reply with a one-sentence description" [disabled]
+  - heading "Reply with a one-sentence description" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,8 +8,12 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
+- group:
+  - status: Retried model request (1/2) · {{duration}}
 - button "Think The user is asking for a one-sentence description of event sourcing. This is a straightforward knowledge question that doesn't require any skill loading or tool calls.":
   - img
   - img
@@ -22,12 +25,11 @@
   - img
 - text: {{clock}}
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 1 steps Cache hit 99% Input 7.8K tok · Output 79 tok
+- text: 1 turns · 1 steps Context 6% of 128K Cache hit 99% Input 7.8K tok · Output 79 tok
diff --git a/apps/web/tests/snapshots/message-actions/ui.expected.md b/apps/web/tests/snapshots/message-actions/ui.expected.md
index 098fa20807..257318c27f 100644
--- a/apps/web/tests/snapshots/message-actions/ui.expected.md
+++ b/apps/web/tests/snapshots/message-actions/ui.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Use the read tool twice" [disabled]
+  - heading "Use the read tool twice" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -10,18 +9,20 @@
 - tooltip "Copy"
 - button "Branch into a new conversation":
   - img
-- button "Edit":
-  - img
 - button "Think The user wants me to read a.txt and b.txt, then reply with \"DONE\". Let me do both reads in parallel.":
   - img
   - img
   - text: Think The user wants me to read a.txt and b.txt, then reply with "DONE". Let me do both reads in parallel.
-- img
-- text: Read
-- button "a.txt"
-- img
-- text: Read
-- button "b.txt"
+- button "Read a.txt":
+  - img
+  - img
+  - text: Read
+  - button "a.txt"
+- button "Read b.txt":
+  - img
+  - img
+  - text: Read
+  - button "b.txt"
 - button "Think Both files have been read. a.txt contains \"alpha\" and b.txt contains \"beta\". I'll now reply with DONE as instructed.":
   - img
   - img
@@ -33,10 +34,9 @@
   - img
 - text: 7/25 {{clock}}
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current deepseek-v4-flash":
   - text: deepseek-v4-flash
   - img
diff --git a/apps/web/tests/snapshots/models-settings/configured.expected.md b/apps/web/tests/snapshots/models-settings/configured.expected.md
index 8b9c4ad6e1..251352ee00 100644
--- a/apps/web/tests/snapshots/models-settings/configured.expected.md
+++ b/apps/web/tests/snapshots/models-settings/configured.expected.md
@@ -14,7 +14,7 @@
   - paragraph: 填入各提供方的 API 密钥即可使用其模型。
   - list:
     - listitem:
-      - text: minimax-cn 已启用
+      - text: minimax-cn
       - button "编辑"
       - button "删除"
   - button "+ 添加提供方"
diff --git a/apps/web/tests/snapshots/models-settings/delete.expected.md b/apps/web/tests/snapshots/models-settings/delete.expected.md
new file mode 100644
index 0000000000..afb0cb5fd2
--- /dev/null
+++ b/apps/web/tests/snapshots/models-settings/delete.expected.md
@@ -0,0 +1,7 @@
+- dialog "删除模型提供方？":
+  - heading "删除模型提供方？" [level=2]
+  - button "关闭":
+    - img
+  - paragraph: 删除此模型提供方会移除其配置。在重新添加前，你将无法继续使用其模型。
+  - button "取消"
+  - button "删除提供方"
diff --git a/apps/web/tests/snapshots/navigation-panes/search-results.expected.md b/apps/web/tests/snapshots/navigation-panes/search-results.expected.md
new file mode 100644
index 0000000000..49de115594
--- /dev/null
+++ b/apps/web/tests/snapshots/navigation-panes/search-results.expected.md
@@ -0,0 +1,2 @@
+- tree "Search results":
+  - 'treeitem "{{workspace}} {{workspace}} ## Navigation Summary - alpha nav - beta nav ``` echo WATERFALL ```"'
diff --git a/apps/web/tests/snapshots/onboarding-deepseek-config/missing.expected.md b/apps/web/tests/snapshots/onboarding-deepseek-config/missing.expected.md
index 102b6a7fab..ed37b0fe4d 100644
--- a/apps/web/tests/snapshots/onboarding-deepseek-config/missing.expected.md
+++ b/apps/web/tests/snapshots/onboarding-deepseek-config/missing.expected.md
@@ -1,6 +1,5 @@
-- dialog "添加一个 API Key 开始使用":
+- region "添加一个 API Key 开始使用":
   - heading "添加一个 API Key 开始使用" [level=2]
-  - button "稍后配置":
-    - img
   - paragraph: 配置 DeepSeek 官方模型，即可开始使用。
+  - button "稍后配置"
   - button "前往配置"
diff --git a/apps/web/tests/snapshots/onboarding-deepseek-config/welcome.expected.md b/apps/web/tests/snapshots/onboarding-deepseek-config/welcome.expected.md
new file mode 100644
index 0000000000..33e3d79fce
--- /dev/null
+++ b/apps/web/tests/snapshots/onboarding-deepseek-config/welcome.expected.md
@@ -0,0 +1,9 @@
+- region "内测声明":
+  - heading "内测声明" [level=2]
+  - paragraph: 感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部测试阶段，功能仍待完善，体验难免有些粗糙。
+  - blockquote: “如切如磋，如琢如磨。” 产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实使用中发现的问题，也可能促使我们重新审视，甚至推翻已有的设计。
+  - paragraph:
+    - text: 为了帮助我们更准确地还原您真实使用中的问题，内测版本默认会上传所有 Session Log；如需关闭，可以设置环境变量 DSH_TELEMETRY_DISABLED=1。另外，
+    - strong: 如果您有任何反馈与建议，请在企业微信群中留言告诉我们
+    - text: 。每一条反馈，都会帮助我们把它打磨得更好。
+  - button "继续"
diff --git a/apps/web/tests/snapshots/permission-policy-context/session.jsonl b/apps/web/tests/snapshots/permission-policy-context/session.jsonl
new file mode 100644
index 0000000000..05db0742e3
--- /dev/null
+++ b/apps/web/tests/snapshots/permission-policy-context/session.jsonl
@@ -0,0 +1,124 @@
+{"type":"session","version":0,"id":"{{sessionId}}","createdAt":1785421232654,"cwd":"{{cwd}}/workspace"}
+{"type":"command/run","seq":0,"time":1785421232715,"data":{"commandId":"cmd-56ed2b36-1","name":"permission","args":" read-only","source":{"kind":"user"}}}
+{"type":"permission/preset","seq":1,"time":1785421232715,"data":{"preset":"read-only"}}
+{"type":"sandbox/mode","seq":2,"time":1785421232716,"data":{"mode":"read-only"}}
+{"type":"approval/policy","seq":3,"time":1785421232716,"data":{"policy":"ask"}}
+{"type":"command/done","seq":4,"time":1785421232716,"data":{"commandId":"cmd-56ed2b36-1","kind":"success","text":"Permission preset: read-only."}}
+{"type":"turn/start","seq":5,"time":1785421232753,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user","rpcId":"{{rpcId}}"}}}}
+{"type":"user/message","seq":6,"time":1785421232754,"data":{"content":[{"type":"text","text":"Can you create or edit a normal file right now under the current policy? Answer directly in one sentence. Do not call a tool just to discover the policy."}],"source":{"kind":"user","rpcId":"{{rpcId}}"},"role":"user","id":"93b20d7f-b280-4a61-8ae4-66764f8a541e"},"surfaceOp":"append"}
+{"type":"session/title","seq":7,"time":1785421232754,"data":{"title":"Can you create or edit","messageSeqs":[6],"source":{"kind":"fallback"}}}
+{"type":"user/message","seq":8,"time":1785421232818,"data":{"content":[{"type":"text","text":"<system-reminder>\nA skill is a reusable set of task-specific instructions. The following skills are available in this session:\n\n<available_skills>\n- `15-05-premortem`: Use before starting risky work — rebases, large refactors, multi-file migrations, or deploys — to identify failure modes and mitigations in advance.\n- `acceptance-criteria`: 检查Acceptance Criteria格式和完整性，验证是否符合Given-When-Then结构、覆盖正常流程/边界条件/异常场景。适合在为User Story编写AC后、准备测试用例前使用，当需要验收AC质量时。帮助不熟悉BDD的PM/BA确保AC明确、可测试、覆盖完整，避免遗漏关键场景。\n- `agents-sdk`: Build AI agents on Cloudflare Workers using the Agents SDK. Load when creating stateful agents, durable workflows, real-time WebSocket apps, scheduled tasks, MCP servers, chat applications, voice agents, or browser automation. Covers Agent class, state management, callable RPC, Workflows, durable execution, queues, retries, observability, and React hooks. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.\n- `aico-pm-user-story-writing`: Transform requirements into well-structured User Stories using \"As a [user], I want [goal], So that [benefit]\" format with Given/When/Then acceptance criteria. Use this skill when: - User asks to \"write user story\", \"create story\", \"add story\" - User mentions \"user story\", \"backlog item\", \"story\" - Running /pm.plan and need to break PRD into implementable stories - Creating backlog items for development team - Need to formalize a requirement into standard story format - Converting feature req...\n- `algorithmic-art`: Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.\n- `animation-vocabulary`: Reverse-lookup glossary that turns a vague description of a web animation or motion effect into its exact term (\"the bouncy thing when a popover opens\" → Pop in; \"the iOS rubber-band scroll\" → Rubber-banding). Use when the user asks \"what's it called when…\", or describes a motion effect without knowing its name and wants the right word to prompt an AI or designer with. For naming an effect, not designing or building one.\n- `app-comprehensive-test-generator`: Generate exhaustive user-flow and edge-case test scenarios from an app's codebase, produce scenario .md files, execute tests using connected or newly created MCPs, and produce an app.qa.report.md summarizing failures and suggested fixes.\n- `apple-design`: Apple's approach to interface design and fluid, physical motion, translated for the web. Use when building or reviewing gesture-driven UI, spring animations, drag/swipe/sheet interactions, momentum and interruptible transitions, translucent materials and depth, typography (optical sizing, tracking, leading), reduced-motion, or the design foundations (feedback, spatial consistency, restraint) behind Apple-style interfaces.\n- `brainstorming`: You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.\n- `brand-guidelines`: Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.\n- `canvas-design`: Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.\n- `claude-api`: Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration. TRIGGER — read BEFORE opening the target file; don't skip because it \"looks like a one-liner\" — whenever: the prompt names Claude/Anthropic in any form (Claude, Anthropic, Fable, Opus, Sonnet, Haiku, `anthropic`, `@anthropic-ai`, `claude-*`, `us.anthropic.*`, `[1m]`); the user asks about an LLM (pricing/model choice/limits/caching) — never answ...\n- `cloudflare`: Comprehensive Cloudflare platform skill covering Workers, Pages, storage (KV, D1, R2), AI (Workers AI, Vectorize, Agents SDK), feature flags (Flagship), networking (Tunnel, Spectrum), security (WAF, DDoS), and infrastructure-as-code (Terraform, Pulumi). Use for any Cloudflare development task. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.\n- `cloudflare-email-service`: Send and receive transactional emails with Cloudflare Email Service (Email Sending + Email Routing). Use when building email sending (Workers binding or REST API), email routing, Agents SDK email handling, or integrating email into any app — Workers, Node.js, Python, Go, etc. Also use for email deliverability, SPF/DKIM/DMARC, wrangler email setup, MCP email tools, or when a coding agent needs to send emails. Even for simple requests like \"add email to my Worker\" — this skill has critical conf...\n- `cloudflare-one`: Guides Cloudflare One Zero Trust and SASE work across Access, Gateway, WARP, Tunnel, Cloudflare WAN, DLP, CASB, device posture, and identity. Use when designing, configuring, troubleshooting, or reviewing Cloudflare One deployments. Retrieval-first: use current Cloudflare docs/API schemas instead of embedded product docs.\n- `cloudflare-one-migrations`: Plans migrations from Zscaler ZIA/ZPA, Palo Alto, legacy VPN, SWG, or SASE stacks to Cloudflare One. Use for migration assessments, policy mapping, rollout plans, and parity/gap analysis.\n- `code-review`: Review the changes since a fixed point (commit, branch, tag, or merge-base) along two axes — Standards (does the code follow this repo's documented coding standards?) and Spec (does the code match what the originating issue/PRD asked for?). Runs both reviews in parallel sub-agents and reports them side by side. Use when the user wants to review a branch, a PR, work-in-progress changes, or asks to \"review since X\".\n- `codebase-design`: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.\n- `content-refiner`: Refine verbose educational content by eliminating redundancy, tightening prose, and strengthening lesson connections. Use when content is wordy, repetitive, or lacks narrative flow between sections.\n- `context-compression`: This skill should be used when long-running agent sessions need context compression, structured summarization, compaction, token-per-task optimization, or durable handoff summaries that preserve decisions, files, risks, and next actions.\n- `create-feishu-doc`: Create a Feishu document and grant edit permissions to the user. Use when asked to write content to Feishu or create a document in a wiki space.\n- `design-compass`: Use when doing any product or UI design work — brainstorming a feature, starting a visual/interaction direction, reviewing half-built UI, or final-checking before ship; also when unsure which design skill applies. 产品设计 / 界面设计 / 交互设计 / UI review / 脑暴 / 视觉方向 / 设计验收时使用。\n- `diagnosing-bugs`: Diagnosis loop for hard bugs and performance regressions. Use when the user says \"diagnose\"/\"debug this\", or reports something broken/throwing/failing/slow.\n- `doc-coauthoring`: Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.\n- `docx`: Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks\n- `domain-modeling`: Build and sharpen a project's domain model. Use when the user wants to pin down domain terminology or a ubiquitous language, record an architectural decision, or when another skill needs to maintain the domain model.\n- `durable-objects`: Create and review Cloudflare Durable Objects. Use when building stateful coordination (chat rooms, multiplayer games, booking systems), implementing RPC methods, SQLite storage, alarms, WebSockets, or reviewing DO code for best practices. Covers Workers integration, wrangler config, and testing with Vitest. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.\n- `ego-browser`: ego-browser (ego-lite) is a Chromium-based browser designed from the ground up to be friendly to both human users and AI Agents. AI Agents work in their own isolated space, reusing the user's login state without competing for the browser. Use this skill whenever the user needs to interact with a website opening pages, filling forms, clicking buttons, taking screenshots, extracting page data, testing web apps, logging into sites, automating browser operations, or any other browser automation t...\n- `emil-design-eng`: This skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the invisible details that make software feel great.\n- `feishu-workflow`: 飞书文档全流程管理 — 搜索、创建、编辑 wiki 文档，支持内容排版、表格、代码块、白板\n- `find-animation-opportunities`: Search a codebase or UI for places that don't animate but should, and reject everything that shouldn't. Read-only; it proposes motion with exact values, it does not implement it. Use when the user asks \"what could be animated here?\" or wants to \"make this feel more alive\". For fixing existing animations, use improve-animations or review-animations instead.\n- `frontend-design`: Guidance for distinctive, intentional visual design when building new UI or reshaping an existing one. Helps with aesthetic direction, typography, and making choices that don't read as templated defaults.\n- `gap-to-topic`: Turn a research area into a go/no-go decision dossier for ONE candidate thesis/proposal topic — a 3-gate verdict (is the gap open? is it a contribution? is it feasible?) with the evidence laid out so the researcher can verify it. Use when the user asks \"is this gap worth pursuing\", \"help me pick a thesis topic\", \"is this idea already taken\", \"find me a defensible research gap\", \"vet this research idea before I commit\", or \"should I do this\". NOT a literature review (use `literature-triage-mat...\n- `gc-minimal-zine-poster-v0-1`: Generate Minimal Zine Poster v0.1 poetic paper-poster prompts and the matching generated image. Use when the user gives a theme, sentence, object, mood, article idea, photo, or content brief and wants a quiet Japanese/Korean zine-like editorial poster with large negative space, aged paper texture, experimental typography, restrained color accents, and a generated bitmap image.\n- `grilling`: Grill the user relentlessly about a plan, decision, or idea. Use when the user wants to stress-test their thinking, or uses any 'grill' trigger phrases.\n- `grillme-workflow`: Use when implementing complex multi-step tasks that benefit from structured plan review, multi-model validation, and post-execution verification\n- `humanizer`: Remove signs of AI-generated writing from text. Use when editing or reviewing text to make it sound more natural and human-written. Based on Wikipedia's comprehensive \"Signs of AI writing\" guide. Detects and fixes patterns including: inflated symbolism, promotional language, superficial -ing analyses, vague attributions, em dash overuse, rule of three, AI vocabulary words, passive voice, negative parallelisms, and filler phrases.\n- `improve-animations`: Survey a codebase's animation and motion code as a senior motion advisor, then produce a prioritized audit and self-contained implementation plans for other agents (or cheaper models) to execute. Read-only on source code — it plans improvements, it does not apply them. Use when the user asks to \"improve the animations\", \"audit the motion\", \"make this app feel better\", or wants a roadmap of animation fixes rather than a review of a single diff.\n- `internal-comms`: A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).\n- `lark-approval`: 飞书审批：查询和处理审批待办/已办/实例，搜索可发起审批定义、查看定义详情并发起原生审批实例。当用户要处理审批任务、查看审批实例、搜索或发起审批时使用。审批待办不是飞书任务；非审批类待办走 lark-task。不负责创建审批定义；三方审批定义不走原生提单。\n- `lark-apps`: 妙搭（Spark/Miaoda）应用开发与托管：应用创建、本地全栈开发、云端生成迭代、创意设计（UI mockup / 可交互原型 / 线框图 / 落地页 / 仪表盘 / 幻灯片 deck / 视觉探索）、AI相关能力和飞书平台能力或者其他外部能力集成、日志/Trace/监控指标/PV/UV 查询、环境变量管理、应用角色与成员管理、自动化触发器（定时/记录变更/Webhook/飞书审批）。当用户要开发/新建一个系统·工具·平台·应用，或要本地开发 / 云端开发 / 修改 / 部署 / 发布 / 上线 / 拿可分享链接，或用 HTML 做页面·网站·部署到妙搭，或要设计 / design / mockup / prototype / wireframe / 做 PPT / deck / 视觉探索，或提到妙搭/Spark/Miaoda（应用运行时域名形如 *.aiforce.cloud）、应用数据库、应用文件存储、开放 API Key、可见范围、应用角色/角色成员、线上日志、接口请求量、错误量、延迟、访问量、环境变量、给妙搭应用配自动化任务/定时触发/审批通过后自动触发时使用。不负责...\n- `lark-attendance`: 飞书考勤打卡：查询自己的考勤打卡记录\n- `lark-base`: 飞书多维表格（Base）操作：建表、字段、记录、视图、统计、公式/lookup、表单、仪表盘、workflow、角色权限；遇到 Base/多维表格/bitable 或 /base/ 链接时使用。文件导入转 lark-drive，认证/授权转 lark-shared。\n- `lark-calendar`: 飞书日历：管理日历日程和会议室。查看/搜索日程、创建/更新日程、管理参会人、查询忙闲和推荐时段、预定会议室。当用户需要查看日程安排、创建/修改会议、查询/预定会议室时使用。不负责：查询过去的视频会议记录（走 lark-vc）、待办任务（走 lark-task）。\n- `lark-contact`: 飞书 / Lark 通讯录:按姓名 / 邮箱解析成 open_id,或按 open_id 反查姓名 / 部门 / 邮箱 / 联系方式 / 个人状态 / 签名。当用户提到某人姓名要下一步发消息 / 排日程,或拿到 open_id 想查具体信息时使用。不负责部门树遍历、按部门列员工、组织架构图,这类需求走原生 OpenAPI。\n- `lark-doc`: 飞书云文档（Docx / Wiki 文档）：读取和编辑飞书文档内容。当用户给出文档 URL 或 token，或需要查看、创建、编辑文档、插入或下载文档图片附件时使用。文档中嵌入的电子表格、多维表格、画板，先用本 skill 提取 token 再切到对应 skill。当用户给出 doubao.com 的 /docx/ 或 /wiki/ URL/token 时，也应直接使用本 skill；路由依据是 URL 路径模式和 token，而不是域名。不负责文档评论管理，也不负责表格或 Base 的数据操作。当用户明确要操作飞书思维笔记时，也使用本 skill。\n- `lark-drive`: 飞书云空间（云盘/云存储）：管理 Drive 文件和文件夹，包含上传/下载、创建文件夹、复制/移动/删除、查看元数据、评论/权限/订阅、标题、版本、飞书文档密级标签（secure labels）和本地文件导入。用户需要整理云盘目录、处理云空间资源 URL/token、判断链接类型/真实 token/标题，或导入 Word/Markdown/Excel/CSV/PPTX/.base 为 docx/sheet/bitable/slides 时使用；doubao.com 云空间 URL/token 也按资源路径和 token 路由，不回退 WebFetch。不负责：文档内容编辑（走 lark-doc）、表格/Base 表内数据操作（走 lark-sheets/lark-base）、知识空间节点/成员管理（走 lark-wiki）、原生 Markdown 文件读写/patch/diff（走 lark-markdown）。\n- `lark-event`: Lark/Feishu real-time event listening / subscribing / consuming: stream events as NDJSON via `lark-cli event consume &lt;EventKey&gt;` (covers IM messages/reactions/chat changes, Approval status changes, Task updates, VC meeting started/joined/ended, Minutes generated, Whiteboard updated, etc.). Use for Lark bots, real-time message processing, long-running subscribers, streaming webhook/push handlers. Supports `--max-events` / `--timeout` bounded runs and a stderr ready-marker contract — designed f...\n- `lark-im`: 飞书即时通讯：收发消息和管理群聊。发送和回复消息、搜索聊天记录、管理群聊成员、上传下载图片和文件（支持大文件分片下载）、管理表情回复、发送应用内/短信/电话加急、发送和处理交互卡片（Interactive Card）、监听卡片按钮回调（card.action.trigger）。当用户需要发消息、查看或搜索聊天记录、下载聊天中的文件、查看群成员、搜索群、创建群聊或话题群、管理标记数据、管理 Feed 置顶（添加/移除/查询置顶会话）、管理标签数据、处理卡片回调时使用。\n- `lark-mail`: 飞书邮箱：Use when user mentions 起草邮件、写邮件、草稿、发送/回复/转发邮件、查阅邮件、看邮件、搜索邮件、邮件文件夹、邮件标签、邮件联系人、监听新邮件、邮件收信规则等；use for mail/email intent only. Do not use for docs/sheets/calendar/auth setup/pure contact lookup/IM chat tasks.\n- `lark-markdown`: 飞书 Markdown：查看、创建、上传、编辑和比较 Markdown 文件。当用户需要创建或编辑 Markdown 文件、读取、修改、局部 patch 或比较差异时使用。不负责将 Markdown 导入为飞书在线文档，也不负责文件搜索、权限、评论、移动、删除等云空间管理操作。\n- `lark-minutes`: 飞书妙记：搜索妙记、查看妙记基础信息、下载/上传音视频、读取或编辑妙记的产物内容、改标题、替换说话人/关键词、申请妙记查看/编辑权限。当给出minute_token、本地音视频文件，要查/改/转妙记产物，或用户明确要主动申请妙记权限时使用；本地音视频转纪要/逐字稿优先走本 skill，不要用 ffmpeg/whisper 本地转写。不负责：获取会议关联妙记，或仅按自然语言标题定位纪要\n- `lark-note`: 飞书会议纪要（Note）直查：已知 note_id 时查询纪要详情、展示类型、关联文档 token，并读取 unified 原始逐字记录。当用户已持有 note_id，或从文档显式 vc-node-id 获得 note_id 时使用。不负责会议/日程/妙记定位、文档标题搜索或 Docx 正文读取。\n- `lark-okr`: 飞书 OKR：管理目标与关键结果。查看和编辑 OKR 周期、目标、关键结果、对齐关系、量化指标和进展记录。当用户需要查看或创建 OKR、管理目标和关键结果、查看对齐关系时使用。不负责：待办任务管理（lark-task）、日程/会议安排（lark-calendar）、绩效评估\n- `lark-openapi-explorer`: 飞书/Lark 原生 OpenAPI 探索：从官方文档库中挖掘未经 CLI 封装的原生 OpenAPI 接口。当用户的需求无法被现有 lark-* skill 或 lark-cli 已注册命令满足，需要查找并调用原生飞书 OpenAPI 时使用。\n- `lark-shared`: Use for lark-cli setup/auth tasks: auth login/status/logout, user vs bot identity, business-domain permissions (--domain, including all/docs/drive), missing scopes, revoking authorization, or handling _notice JSON.\n- `lark-sheets`: 飞书电子表格：创建和操作电子表格。支持创建表格、管理工作表与行列结构（增删/合并/调整尺寸/隐藏/冻结）、读写单元格（值/公式/样式/批注/单元格图片）、查找替换、多操作原子批量更新，以及图表、透视表、条件格式、筛选器、迷你图、浮动图片等对象的创建与维护。当用户需要创建电子表格、管理工作表、批量读写或编辑数据、统计汇总与可视化、表格美化、公式计算（含 Excel 公式迁移）、金融/财务建模（DCF、三张表、预算、Sensitivity 等）等任务时使用。若用户是想按名称或关键词搜索云空间（云盘/云存储）里的表格文件，请改用 lark-drive 的 drive +search 先定位资源。当用户给出 doubao.com 的 /sheets/ URL/token 时，也应直接使用本 skill，不要因为域名不是飞书而回退到 WebFetch；路由依据是 URL 路径模式和 token，而不是域名。\n- `lark-skill-maker`: 创建 lark-cli 的自定义 Skill。当用户需要把飞书 API 操作封装成可复用的 Skill（包装原子 API 或编排多步流程）时使用。\n- `lark-slides`: 飞书幻灯片：创建和编辑幻灯片。创建演示文稿、读取幻灯片内容、管理幻灯片页面（创建、删除、读取、局部替换）。当用户需要创建或编辑幻灯片、读取或修改单个页面时使用。当用户给出 doubao.com 的 /slides/ URL/token 时，也应直接使用本 skill，不要因为域名不是飞书而回退到 WebFetch；路由依据是 URL 路径模式和 token，而不是域名。不负责：云文档内容编辑（走 lark-doc）、云文档里的独立画板对象（走 lark-whiteboard）、上传或下载普通文件（走 lark-drive）。\n- `lark-task`: 飞书任务：管理任务、清单和任务智能体。创建待办任务、查看和更新任务状态、拆分子任务、组织任务清单、分配协作成员、上传任务附件、注册或注销任务智能体、更新任务智能体的主页数据、写入智能体任务记录。当用户需要创建待办事项、查看任务列表、跟踪任务进度、管理项目清单或给他人分配任务、为任务上传附件文件、注册注销任务智能体、更新智能体主页数据、写入任务记录时使用。\n- `lark-vc`: 飞书视频会议：搜索历史会议记录、查询会议纪要（总结/待办/章节/逐字稿）、查询参会人快照。当用户查询已结束的会议、获取会议产物（纪要/妙记）、查看参会人时使用；查询未来日程走 lark-calendar。不负责：Agent 真实入会/离会、会中实时事件（走 lark-vc-agent）。\n- `lark-vc-agent`: 飞书视频会议会中能力：用于让应用机器人真实加入或离开正在进行的会议，并读取当前身份可见的会中事件、发送会中文本消息或会中表情。适用于用户询问正在开的会议发生了什么、谁在发言、是否共享内容，或需要发现当前可读的进行中会议 ID。不负责已结束会议搜索、参会人快照、纪要、逐字稿或录制查询，这些使用 lark-vc 技能。\n- `lark-whiteboard`: 飞书画板：查询和编辑飞书云文档中的画板。支持导出画板为预览图片、导出原始节点结构、使用多种格式更新画板内容。 当用户需要查看画板内容、导出画板图片、编辑画板时使用此 skill。不负责：飞书云文档内容编辑（lark-doc）、文档内嵌电子表格/Base（lark-sheets / lark-base）。\n- `lark-whiteboard-bindao`: 画板画图 skill。覆盖端到端流程：审美判断 → SVG 创作 → 渲染审查 → 写入飞书画板。 核心是审美标准（高于一切技术约束），技术流程基于 lark-whiteboard skill 的 SVG 路径。 触发：任何需要画图/画框架/画流程/可视化的场景。\n- `lark-wiki`: 飞书知识库：管理知识空间、空间成员和文档节点。创建和查询知识空间、查看和管理空间成员、管理节点层级结构、在知识库中组织文档和快捷方式。当用户需要在知识库中查找或创建文档、浏览知识空间结构、查看或管理空间成员、移动或复制节点时使用。当用户给出 doubao.com 的 /wiki/ URL/token 时，也应直接使用本 skill，不要因为域名不是飞书而回退到 WebFetch；路由依据是 URL 路径模式和 token，而不是域名。不负责：上传文件到知识库节点下（走 lark-drive）、编辑文档/表格/Base 内容（走 lark-doc / lark-sheets / lark-base）。\n- `lark-workflow-meeting-summary`: 会议纪要整理工作流：汇总指定时间范围内的会议纪要并生成结构化报告。当用户需要整理会议纪要、生成会议周报、回顾一段时间内的会议内容时使用。\n- `lark-workflow-standup-report`: 日程待办摘要：编排 calendar +agenda 和 task +get-my-tasks，生成指定日期的日程与未完成任务摘要。适用于了解今天/明天/本周的安排。\n- `latent-briefing`: This skill should be used when the user asks to \"share memory between agents\", \"KV cache compaction for multi-agent\", \"orchestrator worker context\", \"latent briefing\", \"reduce worker tokens\", \"cross-agent memory without summarization\", or discusses Attention Matching compaction, recursive language models with workers, or token explosion in hierarchical agents.\n- `literature-triage-matrix`: Turn a list of papers (Zotero collection, Obsidian cluster, manual list) into a compact comparison matrix written to .research/literature_matrix.md, instead of generic per-paper summaries. Use when the user asks to \"make a literature matrix\", \"compare these papers by method/data/limitations\", or \"decide which papers are central to my review\". If the user says \"extract the claims from these papers\": cross-paper comparison matrix → this skill; claims from their own manuscript draft → `paper-mem...\n- `mcp-builder`: Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).\n- `memory-systems`: This skill should be used for persistent semantic memory in agent systems: cross-session knowledge retention, entity tracking, temporal validity, graph or vector retrieval, memory consolidation, and memory benchmark selection. Route file-backed scratchpads to filesystem-context, handoff summaries to context-compression, and token-efficiency tactics to context-optimization.\n- `multi-agent-patterns`: This skill should be used when designing multi-agent systems that need context isolation, supervisor or swarm coordination, explicit handoffs, parallel execution, or a decision on whether multiple agents are justified.\n- `notebooklm-brief-verifier`: Compare a downloaded NotebookLM brief against the source bundle research-hub uploaded, and report missed sources, unsupported claims, contradictions, and recommended follow-up prompts. Use when the user asks to \"verify this NotebookLM brief\", \"check if the brief missed anything\", or \"compare downloaded notes to the cluster papers\".\n- `paper-memory-builder`: Convert a paper draft + figures + Zotero metadata into reusable .paper/claims.yml and .paper/figures.yml files so the academic-writing-skills skill can do writing, revision, and audit passes without re-reading the manuscript every time. Use when the user asks to \"build paper memory\", \"extract claims from this manuscript\", \"extract claims, supporting evidence, and figure key numbers\", or \"prepare this paper for AI-assisted writing\". NOT for summarizing cited papers in a literature cluster — th...\n- `paper-summarize`: After research-hub ingests a cluster of cited papers, fill the per-paper Key Findings + Methodology + Relevance sections in BOTH Obsidian markdown and the Zotero child note. Use when the user says \"fill the TODO Key Findings/Methodology blocks left by research-hub auto\", \"I just ran auto and don't know what these papers are about\", or \"summarize the papers in cluster X\". Invokes a supported LLM CLI on each paper's abstract. NOT for summarizing the user's own manuscript draft — that's `paper-m...\n- `pdf`: Use this skill whenever the user wants to do anything with PDF files. This includes reading or extracting text/tables from PDFs, combining or merging multiple PDFs into one, splitting PDFs apart, rotating pages, adding watermarks, creating new PDFs, filling PDF forms, encrypting/decrypting PDFs, extracting images, and OCR on scanned PDFs to make them searchable. If the user mentions a .pdf file or asks to produce one, use this skill.\n- `pptx`: Use this skill any time a .pptx file is involved in any way — as input, output, or both. This includes: creating slide decks, pitch decks, or presentations; reading, parsing, or extracting text from any .pptx file (even if the extracted content will be used elsewhere, like in an email or summary); editing, modifying, or updating existing presentations; combining or splitting slide files; working with templates, layouts, speaker notes, or comments. Trigger whenever the user mentions \"deck,\" \"s...\n- `prototype`: Build a throwaway prototype to answer a design question. Use when the user wants to sanity-check whether a state model or logic feels right, or explore what a UI should look like.\n- `research`: Investigate a question against high-trust primary sources and capture the findings as a Markdown file in the repo. Use when the user wants a topic researched, docs or API facts gathered, or reading legwork delegated to a background agent.\n- `research-add-fields`: 向现有调研outline补充字段定义。\n- `research-add-items`: 向现有调研outline补充items（调研对象）。\n- `research-chapter-ops`: Use when beginning work on a thesis chapter — creates and maintains the Chapter Operations Document (OPS file) with structure, decisions, error triggers, and cross-section conventions. Triggers on 'new chapter', 'chapter operations', 'OPS file', 'chapter setup', 'chapter-level coordination'.\n- `research-citation-management`: Use when managing citations in thesis writing — three-pipeline system for gap analysis, verification, and programmatic insertion with dual-AI cross-verification. Triggers on 'add citations', 'citation gaps', 'verify references', 'insert citations', 'reference management', 'bibliography'.\n- `research-context-compressor`: Inspect a research repository and write a compact `.research/` workspace manifest (project_manifest.yml, experiment_matrix.yml, data_dictionary.yml) so future AI sessions can orient themselves without rescanning the whole repo. Use when the user asks to \"compress this project context\", \"create a research manifest\", or \"save the project context for future agents\".\n- `research-deep`: 读取调研outline，为每个item启动独立agent进行深度调研。禁用task output。\n- `research-design-helper`: Guide a researcher through 5 Socratic segments — research question sharpening, expected mechanism, identifiability check, validation plan, risk register — and produce `.research/design_brief.md`. Use when the user asks to \"frame this research question\", \"design my study\", \"help me think through what model to build\", \"sharpen my hypothesis\", \"is my research question sharp enough to be falsifiable?\", or \"before I start coding, walk me through the design\". Runs AFTER a topic is chosen — it desig...\n- `research-error-log`: Use when creating, structuring, or extending the project Error Log (`CLAUDE_ERROR_LOG.md` / `CLAUDE_ERROR_LOG_V2.md`) — defines the dual-track archive/active format, three-layer V2 architecture, pattern entry schema, add-new-pattern protocol, and how postmortem / brief / review skills interface with it. Triggers on 'error log', 'new error pattern', 'add pattern to log', 'set up error log', 'V2 checklist', 'CLAUDE_ERROR_LOG', 'how does the error log work'.\n- `research-figure-generation`: Use when creating publication-quality figures for thesis — pipeline from raw data through verification, generation, researcher review, to Word document integration. Triggers on 'create figure', 'plot data', 'generate figure', 'thesis figures', 'insert figures into Word'.\n- `research-gemini-review`: Use after Claude writes any thesis prose draft — invokes Gemini API as an independent cross-model critic to eliminate self-preference bias. REQUIRED after research-writing-brief produces prose and before research-three-stage-review can be considered final. Triggers on 'review this draft', 'cross-model review', 'Gemini check', 'independent review of thesis prose'.\n- `research-hub`: Operate research-hub workflows for literature discovery, source ingest into Zotero/Obsidian/NotebookLM, dashboard inspection, and vault maintenance. Use when the user asks to find papers and organize them, build a knowledge base, ingest a folder of PDFs, upload to NotebookLM, generate research briefs, inspect clusters, or maintain a research vault. NOT for auditing or cleaning up an existing Zotero library — that's `zotero-library-curator` (read-only audit) plus `zotero-skills` (for CRUD).\n- `research-hub-multi-ai`: Research-domain router that writes `.coord/multi_ai_plan.md` when a single round of work will need two or more delegates AND the work touches research-hub artifacts (`.research/`, `.paper/`, Zotero/Obsidian/NotebookLM pipelines). For a single delegate, use `codex-delegate` or `gemini-delegate` directly — do not invoke this skill. For generic non-research multi-agent decomposition (pure code refactor, generic translation, no research-hub artifact), use `agent-collab-workspace:agent-task-splitt...\n- `research-paper-adaptation`: Use when converting a published paper (where researcher is author) into a thesis chapter — adaptation protocol with side-by-side verification and change classification. Triggers on 'adapt paper', 'paper to thesis', 'convert publication', 'published paper chapter', 'adapt manuscript'.\n- `research-postmortem`: Use when a thesis draft is rejected and must be rewritten from scratch — structured 5-part investigation into process failure with root cause analysis and systemic action items. Triggers on 'draft rejected', 'rewrite from scratch', 'writing failure', 'postmortem', 'what went wrong with the draft'.\n- `research-pre-writing-discussion`: Use before creating a Writing Brief for any thesis section — structured interview to extract researcher's knowledge, judgments, and decisions through three phases. Triggers on 'discuss section', 'plan what to write', 'pre-writing discussion', 'before writing brief', 'extract knowledge for section'.\n- `research-project-orienter`: Read the .research/ manifest files at a project root and produce a single orientation memo (research question, datasets, current stage, key entrypoints, evidence artifacts, open questions). Use when the user asks to \"orient me in this project\", \"what is this repo about\", or \"build a context map for this paper\" — and the project already has .research/ manifests (or trigger research-context-compressor first).\n- `research-report`: 将deep调研结果汇总为markdown报告，覆盖所有字段，跳过不确定值。\n- `research-session-management`: Use when starting or ending any thesis writing session — manages INDEX files, handoff documents, and startup/shutdown protocols for cross-session continuity. Triggers on 'new thesis session', 'session handoff', 'continue thesis work', 'pick up where left off', 'end session'.\n- `research-style-audit`: Use after completing any thesis section draft — runs programmatic style audit to catch Pattern\n- `research-task-file`: Use when creating self-contained task files for autonomous AI agent execution — goal-oriented instructions with context, decision frameworks, and validation criteria. Triggers on 'create task file', 'autonomous task', 'agent task', 'data extraction task', 'TASK file', 'batch processing task'.\n- `research-three-stage-review`: Use after completing a thesis prose draft — runs three independent review stages with different perspectives and information access. Triggers on 'review draft', 'check section', 'draft review', 'quality check', 'before sending to advisor'.\n- `research-writing`: Use when starting any academic thesis or dissertation writing task — routes to the correct thesis sub-skill based on the current phase of work. 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Biases towards retrieval from Cloudflare docs over pre-trained knowledge.\n- `scheduled-task-planner`: 分析定时任务需求，确定最优部署方案（Cloudflare Worker 或本地 launchd）\n- `sequential-thinking`: Structured reflective problem-solving methodology. Process: decompose, analyze, hypothesize, verify, revise. Capabilities: complex problem decomposition, adaptive planning, course correction, hypothesis verification, multi-step analysis. Actions: decompose, analyze, plan, revise, verify solutions step-by-step. Keywords: sequential thinking, problem decomposition, multi-step analysis, hypothesis verification, adaptive planning, course correction, reflective thinking, step-by-step, thought sequ...\n- `skill-creator`: Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.\n- `slack-gif-creator`: Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and animation concepts. Use when users request animated GIFs for Slack like \"make me a GIF of X doing Y for Slack.\"\n- `tdd`: Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions \"red-green-refactor\", or wants integration tests.\n- `test`: Test features before users find bugs. Use when feature is built, before deploying, or when bugs reported. Covers manual testing, edge cases, cross-browser testing, and testing checklists for non-technical founders.\n- `theme-factory`: Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.\n- `turnstile-spin`: Set up Cloudflare Turnstile end-to-end in a project — scan the codebase, create the widget via the Cloudflare API, deploy the managed siteverify Worker, write the frontend snippets, validate, and persist the skill. Load this when a user asks to add Turnstile, set up CAPTCHA, protect a form from bots, or fix a Turnstile integration. Mirrors developers.cloudflare.com/turnstile/spin.\n- `web-artifacts-builder`: Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.\n- `web-perf`: Analyzes web performance using Chrome DevTools MCP. Measures Core Web Vitals (LCP, INP, CLS) and supplementary metrics (FCP, TBT, Speed Index), identifies render-blocking resources, network dependency chains, layout shifts, caching issues, and accessibility gaps. Use when asked to audit, profile, debug, or optimize page load performance, Lighthouse scores, or site speed. Biases towards retrieval from current documentation over pre-trained knowledge.\n- `webapp-testing`: Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.\n- `workers-best-practices`: Reviews and authors Cloudflare Workers code against production best practices. Load when writing new Workers, reviewing Worker code, configuring wrangler.jsonc, or checking for common Workers anti-patterns (streaming, floating promises, global state, secrets, bindings, observability). Biases towards retrieval from Cloudflare docs over pre-trained knowledge.\n- `wrangler`: Cloudflare Workers CLI for deploying, developing, and managing Workers, KV, R2, D1, Vectorize, Hyperdrive, Workers AI, Containers, Queues, Workflows, Pipelines, and Secrets Store. Load before running wrangler commands to ensure correct syntax and best practices. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.\n- `xlsx`: Use this skill any time a spreadsheet file is the primary input or output. 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+{"type":"assistant/chunk","seq":809,"time":1785421245577,"data":{"turn":4,"step":4,"chunk":{"type":"finish","reason":{"kind":"stop"}}}}
+{"type":"assistant/message","seq":810,"time":1785421245577,"data":{"turn":4,"step":4,"message":{"role":"assistant","content":[{"type":"reasoning","text":"The file was created and its contents are verified: \"POLICY_NEUTRAL_OK\". Task complete."},{"type":"text","text":"Done — **policy-neutral.txt** was created (via workspace-write escalation) and verified to contain exactly `POLICY_NEUTRAL_OK`."}],"source":{"kind":"model","provider":"deepseek","model":"deepseek-v4-flash"},"id":"c51d0a14-ba25-42eb-ba6b-8ea4eff18216"},"usage":{"inputTokens":211,"outputTokens":53,"cacheReadTokens":15872,"reasoningTokens":22}},"sourceEventSeqs":[752,753,754,755,756,757,758,759,760,761,762,763,764,765,766,767,768,769,770,771,772,773,774,775,776,777,778,779,780,781,782,783,784,785,786,787,788,789,790,791,792,793,794,795,796,797,798,799,800,801,802,803,804,805,806,807,808,809],"surfaceOp":"append"}
+{"type":"step/end","seq":811,"time":1785421245578,"data":{"turn":4,"step":4}}
+{"type":"turn/end","seq":812,"time":1785421245578,"data":{"turn":4,"reason":{"kind":"completed"}}}
diff --git a/apps/web/tests/snapshots/plan-review/approved.expected.md b/apps/web/tests/snapshots/plan-review/approved.expected.md
index 0aa340fa77..c7f5c6d664 100644
--- a/apps/web/tests/snapshots/plan-review/approved.expected.md
+++ b/apps/web/tests/snapshots/plan-review/approved.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - 'button "Plan a small change: add" [disabled]'
+  - 'heading "Plan a small change: add" [level=1]'
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -10,8 +9,10 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - 'button "Think The user wants me to plan a small change to add a `--greeting` flag to a CLI. They explicitly told me not to read or write any files, and to call exit_plan_mode with a short plan. Let me do that directly."':
   - img
   - img
@@ -20,10 +21,10 @@
   - text: Since the user has explicitly asked me not to read or write any files and to go straight to planning, I'll proceed with
   - code: exit_plan_mode
   - text: .
-- button:
+- 'button "Tool call exit_plan_mode · # Add `--greeting` flag to CLI"':
   - img
   - img
-- text: "Tool call exit_plan_mode · # Add `--greeting` flag to CLI"
+  - text: "Tool call exit_plan_mode · # Add `--greeting` flag to CLI"
 - 'button "Think The plan was approved. The user''s last instruction says: \"Once the plan is approved, reply with the single word DONE and stop.\" So I should just reply with DONE and stop."':
   - img
   - img
@@ -35,12 +36,11 @@
   - img
 - text: {{clock}}
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps Tool call {{duration}} Cache hit 51% Input 10.2K tok · Output 346 tok
+- text: 1 turns · 2 steps Tool call {{duration}} Context 4% of 128K Cache hit 51% Input 10.2K tok · Output 346 tok
diff --git a/apps/web/tests/snapshots/question-composer/answered.expected.md b/apps/web/tests/snapshots/question-composer/answered.expected.md
index 20603ed2f2..d916f82f4b 100644
--- a/apps/web/tests/snapshots/question-composer/answered.expected.md
+++ b/apps/web/tests/snapshots/question-composer/answered.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Use the ask_user_question tool to" [disabled]
+  - heading "Use the ask_user_question tool to" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,16 +8,18 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - button "Think The user wants me to use the ask_user_question tool with specific parameters. Let me do exactly that.":
   - img
   - img
   - text: Think The user wants me to use the ask_user_question tool with specific parameters. Let me do exactly that.
-- button:
+- button "Ask question 1/1 answered":
   - img
   - img
-- text: Ask question 1/1 answered
+  - text: Ask question 1/1 answered
 - button "Think The user answered \"Blue\". I should now reply with the single word DONE and stop.":
   - img
   - img
@@ -30,12 +31,11 @@
   - img
 - text: {{clock}}
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps Tool call {{duration}} Cache hit 95% Input 8.6K tok · Output 180 tok
+- text: 1 turns · 2 steps Tool call {{duration}} Context 3% of 128K Cache hit 95% Input 8.6K tok · Output 180 tok
diff --git a/apps/web/tests/snapshots/queue-actions/collapsed.expected.md b/apps/web/tests/snapshots/queue-actions/collapsed.expected.md
index 0b92df9a16..052df599d7 100644
--- a/apps/web/tests/snapshots/queue-actions/collapsed.expected.md
+++ b/apps/web/tests/snapshots/queue-actions/collapsed.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Reply with a one-sentence description" [disabled]
+  - heading "Reply with a one-sentence description" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,15 +8,17 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - paragraph: partial
+- status: Deep diving...
 - button "2 queued messages"
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
diff --git a/apps/web/tests/snapshots/queue-actions/editing.expected.md b/apps/web/tests/snapshots/queue-actions/editing.expected.md
index 5ced1f6f4e..98b234ec69 100644
--- a/apps/web/tests/snapshots/queue-actions/editing.expected.md
+++ b/apps/web/tests/snapshots/queue-actions/editing.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Reply with a one-sentence description" [disabled]
+  - heading "Reply with a one-sentence description" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,9 +8,12 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - paragraph: partial
+- status: Deep diving...
 - button "2 queued messages" [disabled] [expanded]
 - list:
   - listitem:
@@ -27,10 +29,9 @@
     - button "Cancel editing":
       - img
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
diff --git a/apps/web/tests/snapshots/queue-actions/preserved.expected.md b/apps/web/tests/snapshots/queue-actions/preserved.expected.md
new file mode 100644
index 0000000000..008fa0fb66
--- /dev/null
+++ b/apps/web/tests/snapshots/queue-actions/preserved.expected.md
@@ -0,0 +1,44 @@
+- banner:
+  - navigation "Session hierarchy":
+    - button "Reply with a one-sentence description" [disabled]
+  - tablist:
+    - tab "Chat" [selected]
+    - tab "Trajectory"
+- text: Reply with a one-sentence description of event sourcing, then stop. {{clock}}
+- button "Copy":
+  - img
+- button "Branch into a new conversation":
+  - img
+- button "Context injection":
+  - img
+  - img
+  - text: Context injection
+- paragraph: partial
+- text: Stopped
+- button "Copy":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: {{clock}} Edited queue item {{clock}}
+- button "Copy":
+  - img
+- button "Branch into a new conversation":
+  - img
+- paragraph: partial
+- status: Deep diving...
+- list:
+  - listitem:
+    - text: Queue item preserved after stop
+    - button "Edit queued message":
+      - img
+    - button "Remove queued message":
+      - img
+- textbox "Message the agent"
+- button "Commands":
+  - img
+- 'button "Access mode, current: Full access"': Full access
+- button "Select model, current DeepSeek-V4-Flash":
+  - text: DeepSeek-V4-Flash
+  - img
+- button "Stop generating"
+- text: 1 turns · 1 steps Input 0 tok · Output 0 tok
diff --git a/apps/web/tests/snapshots/queue-actions/ui.expected.md b/apps/web/tests/snapshots/queue-actions/ui.expected.md
index 343ecc0fe2..664aaa7041 100644
--- a/apps/web/tests/snapshots/queue-actions/ui.expected.md
+++ b/apps/web/tests/snapshots/queue-actions/ui.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Reply with a one-sentence description" [disabled]
+  - heading "Reply with a one-sentence description" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,9 +8,12 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - paragraph: partial
+- status: Deep diving...
 - list:
   - listitem:
     - text: Edited queue item
@@ -20,10 +22,9 @@
     - button "Remove queued message":
       - img
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
diff --git a/apps/web/tests/snapshots/search-card/grep-card.expected.txt b/apps/web/tests/snapshots/search-card/grep-card.expected.txt
new file mode 100644
index 0000000000..ce95519f0b
--- /dev/null
+++ b/apps/web/tests/snapshots/search-card/grep-card.expected.txt
@@ -0,0 +1,27 @@
+kind=matches
+summary=显示 9 / 共 42 处匹配 · 3 个文件
+file=packages/client/ui-primitives/src/SearchBlock.tsx3
+file=packages/client/ui-conversation/src/client/toolviews/search-row.tsx4
+line=16: export const DEFAULT_SEARCH_MAX_LINES = 16
+line=138: export function SearchBlock(props: SearchBlockProps) {
+line=141:   const [collapsed, setCollapsed] = useState<ReadonlySet<number>>(() => new Set())
+line=35:   const search = searchCardModel(block)
+line=52:       search={search}
+line=73:     ctx.slots.register({ name: 'conversation.chat.toolview', key: 'grep', locale: NS }, SearchRow)
+expand=… 其余 4 行
+recovery=Found 9 of 42 matches
+
+packages/client/ui-primitives/src/SearchBlock.tsx
+Line 16: export const DEFAULT_SEARCH_MAX_LINES = 16
+Line 138: export function SearchBlock(props: SearchBlockProps) {
+Line 141:   const [collapsed, setCollapsed] = useState<ReadonlySet<number>>(() => new Set())
+packages/client/ui-conversation/src/client/contract/search-card-model.ts
+Line 24: export const CHAT_SEARCH_MAX_LINES = 8
+Line 60: export function searchCardModel(block: ToolCallBlock): SearchCardModel | null {
+packages/client/ui-conversation/src/client/toolviews/search-row.tsx
+Line 33: export function SearchRow({ toolName, block, inspect, t }: SearchRowProps) {
+Line 35:   const search = searchCardModel(block)
+Line 52:       search={search}
+Line 73:     ctx.slots.register({ name: 'conversation.chat.toolview', key: 'grep', locale: NS }, SearchRow)
+
+(Full grep result stored at: fixture://spill/grep-66. Read it to see every match.)
\ No newline at end of file
diff --git a/apps/web/tests/snapshots/seeded-history/command-row.expected.md b/apps/web/tests/snapshots/seeded-history/command-row.expected.md
index df8d5439f7..ceeb45dd8a 100644
--- a/apps/web/tests/snapshots/seeded-history/command-row.expected.md
+++ b/apps/web/tests/snapshots/seeded-history/command-row.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Use the read tool twice" [disabled]
+  - heading "Use the read tool twice" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,18 +8,20 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
-  - img
 - button "Think The user wants me to read a.txt and b.txt, then reply with \"DONE\". Let me do both reads in parallel.":
   - img
   - img
   - text: Think The user wants me to read a.txt and b.txt, then reply with "DONE". Let me do both reads in parallel.
-- img
-- text: Read
-- button "a.txt"
-- img
-- text: Read
-- button "b.txt"
+- button "Read a.txt":
+  - img
+  - img
+  - text: Read
+  - button "a.txt"
+- button "Read b.txt":
+  - img
+  - img
+  - text: Read
+  - button "b.txt"
 - button "Think Both files have been read. a.txt contains \"alpha\" and b.txt contains \"beta\". I'll now reply with DONE as instructed.":
   - img
   - img
@@ -31,6 +32,9 @@
 - button "Branch into a new conversation":
   - img
 - text: 7/25 {{clock}}
+- button "Context compacted View compaction summary":
+  - img
+  - text: Context compacted View compaction summary
 - button "Context injection":
   - img
   - img
@@ -38,10 +42,9 @@
 - img
 - text: permission preset workspace-write
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
 - 'button "Access mode, current: Workspace Write"': Workspace Write
-- button "Plan mode off, press to turn on": Plan off
 - button "Select model, current deepseek-v4-flash":
   - text: deepseek-v4-flash
   - img
diff --git a/apps/web/tests/snapshots/seeded-history/ui.expected.md b/apps/web/tests/snapshots/seeded-history/ui.expected.md
index 3204da2d59..3cee5a52de 100644
--- a/apps/web/tests/snapshots/seeded-history/ui.expected.md
+++ b/apps/web/tests/snapshots/seeded-history/ui.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Use the read tool twice" [disabled]
+  - heading "Use the read tool twice" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,18 +8,20 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
-  - img
 - button "Think The user wants me to read a.txt and b.txt, then reply with \"DONE\". Let me do both reads in parallel.":
   - img
   - img
   - text: Think The user wants me to read a.txt and b.txt, then reply with "DONE". Let me do both reads in parallel.
-- img
-- text: Read
-- button "a.txt"
-- img
-- text: Read
-- button "b.txt"
+- button "Read a.txt":
+  - img
+  - img
+  - text: Read
+  - button "a.txt"
+- button "Read b.txt":
+  - img
+  - img
+  - text: Read
+  - button "b.txt"
 - button "Think Both files have been read. a.txt contains \"alpha\" and b.txt contains \"beta\". I'll now reply with DONE as instructed.":
   - img
   - img
@@ -31,15 +32,17 @@
 - button "Branch into a new conversation":
   - img
 - text: 7/25 {{clock}}
+- button "Context compacted View compaction summary":
+  - img
+  - text: Context compacted View compaction summary
 - button "Context injection":
   - img
   - img
   - text: Context injection
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current deepseek-v4-flash":
   - text: deepseek-v4-flash
   - img
diff --git a/apps/web/tests/snapshots/settings-chrome/dialog.expected.md b/apps/web/tests/snapshots/settings-chrome/dialog.expected.md
index 75959994f1..e782d25c05 100644
--- a/apps/web/tests/snapshots/settings-chrome/dialog.expected.md
+++ b/apps/web/tests/snapshots/settings-chrome/dialog.expected.md
@@ -10,11 +10,11 @@
   - button "关闭":
     - img
     - text: 关闭
-  - text: 权限 选择默认权限模式
-  - button "Read only" [disabled]:
-    - text: Read only
+  - text: 权限 选择新会话的默认权限模式
+  - button "Full access":
+    - text: Full access
     - img
-  - text: 工具调用 Schema mode Traditional function calling — invoke tools one at a time Code mode Chain multiple tools with code — multi-step orchestration 语言
+  - text: 语言
   - button "中文":
     - text: 中文
     - img
diff --git a/apps/web/tests/snapshots/steering/mid-steer.expected.md b/apps/web/tests/snapshots/steering/mid-steer.expected.md
index 9cac976f9e..671e39a351 100644
--- a/apps/web/tests/snapshots/steering/mid-steer.expected.md
+++ b/apps/web/tests/snapshots/steering/mid-steer.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Use the ask_user_question tool to" [disabled]
+  - heading "Use the ask_user_question tool to" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,16 +8,20 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - button "Think The user wants me to use the ask_user_question tool to ask them a specific question with the given parameters. Let me do exactly that.":
   - img
   - img
   - text: Think The user wants me to use the ask_user_question tool to ask them a specific question with the given parameters. Let me do exactly that.
-- button:
+- text: Running
+- button "Ask question waiting":
   - img
   - img
-- text: Ask question waiting
+  - text: Ask question waiting
+- status: Deep diving...
 - region "Ready to continue?":
   - text: Checkpoint
   - heading "Ready to continue?" [level=2]
diff --git a/apps/web/tests/snapshots/steering/settled.expected.md b/apps/web/tests/snapshots/steering/settled.expected.md
index aa51d2c489..ba04efc20f 100644
--- a/apps/web/tests/snapshots/steering/settled.expected.md
+++ b/apps/web/tests/snapshots/steering/settled.expected.md
@@ -1,6 +1,5 @@
 - banner:
-  - navigation "Session hierarchy":
-    - button "Use the ask_user_question tool to" [disabled]
+  - heading "Use the ask_user_question tool to" [level=1]
   - tablist:
     - tab "Chat" [selected]
     - tab "Trajectory"
@@ -9,16 +8,19 @@
   - img
 - button "Branch into a new conversation":
   - img
-- button "Edit":
+- button "Context injection":
   - img
+  - img
+  - text: Context injection
 - button "Think The user wants me to use the ask_user_question tool to ask them a specific question with the given parameters. Let me do exactly that.":
   - img
   - img
   - text: Think The user wants me to use the ask_user_question tool to ask them a specific question with the given parameters. Let me do exactly that.
-- button:
+- button "Ask question 1/1 answered":
   - img
   - img
-- text: "Ask question 1/1 answered Interjection Interjection: include the word BANANA in your final reply."
+  - text: Ask question 1/1 answered
+- text: "Interjection: include the word BANANA in your final reply."
 - button "Think The user selected \"Yes\" and wants me to include the word \"BANANA\" in my final reply. Let me acknowledge their answer.":
   - img
   - img
@@ -30,12 +32,11 @@
   - img
 - text: {{clock}}
 - textbox "Message the agent"
-- button "Add attachment":
+- button "Commands":
   - img
-- 'button "Access mode, current: Danger Full Access"': Danger Full Access
-- button "Plan mode off, press to turn on": Plan off
+- 'button "Access mode, current: Full access"': Full access
 - button "Select model, current DeepSeek-V4-Flash":
   - text: DeepSeek-V4-Flash
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps Tool call {{duration}} Cache hit 98% Input 15.8K tok · Output 156 tok
+- text: 1 turns · 2 steps Tool call {{duration}} Context 6% of 128K Cache hit 98% Input 15.8K tok · Output 156 tok
diff --git a/apps/web/tests/snapshots/web-search-round/session.jsonl b/apps/web/tests/snapshots/web-search-round/session.jsonl
new file mode 100644
index 0000000000..bb0a15fd0b
--- /dev/null
+++ b/apps/web/tests/snapshots/web-search-round/session.jsonl
@@ -0,0 +1,12 @@
+{"type":"session","version":0,"id":"{{sessionId}}","createdAt":1785456000000,"cwd":"{{cwd}}"}
+{"type":"user/message","seq":0,"time":1785456000001,"data":{"content":[{"type":"text","text":"Use web_search to search exactly \"DeepSeek Harness snapshot search\". Then reply exactly SEARCH_DONE and stop."}],"source":{"kind":"user","rpcId":"{{rpcId}}"}},"surfaceOp":"append"}
+{"type":"assistant/chunk","seq":1,"time":1785456000002,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}}
+{"type":"assistant/chunk","seq":2,"time":1785456000003,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":0,"id":"call_web_search","name":"web_search","argumentsDelta":"{\"query\":\"DeepSeek Harness snapshot search\"}"}}}
+{"type":"assistant/chunk","seq":3,"time":1785456000004,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"tool-call","id":"call_web_search","name":"web_search","arguments":"{\"query\":\"DeepSeek Harness snapshot search\"}"}}}}
+{"type":"assistant/chunk","seq":4,"time":1785456000005,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":10,"outputTokens":5}}}}
+{"type":"assistant/chunk","seq":5,"time":1785456000006,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}}
+{"type":"assistant/chunk","seq":6,"time":1785456000007,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"text"}}}
+{"type":"assistant/chunk","seq":7,"time":1785456000008,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":0,"text":"SEARCH_DONE"}}}
+{"type":"assistant/chunk","seq":8,"time":1785456000009,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"SEARCH_DONE"}}}}
+{"type":"assistant/chunk","seq":9,"time":1785456000010,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":12,"outputTokens":2}}}}
+{"type":"assistant/chunk","seq":10,"time":1785456000011,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"stop"}}}}
diff --git a/apps/web/tests/snapshots/web-search-round/ui.expected.md b/apps/web/tests/snapshots/web-search-round/ui.expected.md
new file mode 100644
index 0000000000..b8eb6a1156
--- /dev/null
+++ b/apps/web/tests/snapshots/web-search-round/ui.expected.md
@@ -0,0 +1,33 @@
+- banner:
+  - heading "Use web_search to search exactly" [level=1]
+  - tablist:
+    - tab "Chat" [selected]
+    - tab "Trajectory"
+- text: Use web_search to search exactly "DeepSeek Harness snapshot search". Then reply exactly SEARCH_DONE and stop. {{clock}}
+- button "Copy":
+  - img
+- button "Branch into a new conversation":
+  - img
+- button "Context injection":
+  - img
+  - img
+  - text: Context injection
+- button "Search DeepSeek Harness snapshot search":
+  - img
+  - img
+  - text: Search DeepSeek Harness snapshot search
+- paragraph: SEARCH_DONE
+- button "Copy":
+  - img
+- button "Branch into a new conversation":
+  - img
+- text: {{clock}}
+- textbox "Message the agent"
+- button "Commands":
+  - img
+- 'button "Access mode, current: Full access"': Full access
+- button "Select model, current DeepSeek-V4-Flash":
+  - text: DeepSeek-V4-Flash
+  - img
+- button "Send message" [disabled]
+- text: 1 turns · 2 steps Tool call {{duration}} Context 0% of 128K Cache hit 0% Input 22 tok · Output 7 tok
diff --git a/apps/web/tests/startup-auto-selection.e2e.ts b/apps/web/tests/startup-auto-selection.e2e.ts
new file mode 100644
index 0000000000..f3a953c1e6
--- /dev/null
+++ b/apps/web/tests/startup-auto-selection.e2e.ts
@@ -0,0 +1,119 @@
+// Web e2e scenario: startup auto-selection keeps the hero on screen.
+//
+// A page load with a workspace already registered runs
+// `WorkspacesService.startInitialSelection`: it connects the most recent
+// workspace and opens its blank session. `openState` flips to `loading` the
+// moment `open()` lands, which used to drive `data-phase=settling` on the
+// conversation root — `visibility:hidden` over the composer seat and the
+// header for the whole `session.history` round-trip, so the center column went
+// blank and repainted, reading as a full-page refresh on every launch.
+//
+// The unit spec pins the phase condition over hand-built stores. What only the
+// assembled application can show is that the path a user actually takes
+// reaches it: the real selection service, the real client session opening over
+// the real /api transport, and a real browser deciding what is painted.
+//
+// The round-trip against a loopback host is far too fast to observe, so this
+// scenario HOLDS the `session.history` response open at the browser's network
+// boundary and asserts the visible frame while it is in flight. That gate is
+// what makes the assertions non-vacuous: with the exemption reverted the held
+// window is exactly when `settling` is painted and the composer is hidden.
+//
+// Zero model calls: registering a workspace and opening its blank session are
+// host RPCs with no model involvement. A stray stream would fail loud with
+// NO_ADAPTER.
+import type { Browser, Page } from 'playwright'
+import { chromium } from 'playwright'
+import { afterAll, beforeAll, describe, expect, it, onTestFailed } from 'vitest'
+import { acknowledgeReloadConnectionLoss, launchWebScaffold, watchConsole, type WebScaffold } from './scaffold.ts'
+import { connectFreshWorkspace, newEnglishPage, saveFailureShot } from './support.ts'
+
+/** Wire path of the history round-trip the conversation root waits out (POST /api/session.history). */
+const HISTORY_ROUTE = '**/api/session.history'
+
+/**
+ * The conversation root's own phase attribute. `div` disambiguates it from the
+ * composer textarea, which carries an unrelated `data-phase` of its own.
+ */
+const ROOT_PHASE = 'div[data-phase]'
+
+/** Every distinct `data-phase` the conversation root shows, in order, across one page load. */
+function recordedPhases(page: Page): Promise<string[]> {
+  return page.evaluate(() => (window as unknown as { __conversationPhases: string[] }).__conversationPhases)
+}
+
+describe('web e2e: startup auto-selection', () => {
+  let scaffold: WebScaffold
+  let browser: Browser
+  let page: Page
+  let tripwire: ReturnType<typeof watchConsole>
+
+  beforeAll(async () => {
+    scaffold = await launchWebScaffold({})
+    browser = await chromium.launch()
+    page = await newEnglishPage(browser)
+    tripwire = watchConsole(page)
+    await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
+    await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
+    // A registered workspace is the precondition for auto-selection: the first
+    // load has nothing to select, so the reload below is the path under test.
+    await connectFreshWorkspace(page, scaffold.workspaceCwd, 'startup-auto-selection')
+  }, 180_000)
+
+  afterAll(async () => {
+    await browser?.close()
+    await scaffold?.close()
+  })
+
+  it('keeps the hero and the composer on screen while the auto-selected blank session opens', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-startup-auto-selection'))
+    // Runs before any page script on the reload below, so the first phase the
+    // root ever renders is recorded, not just the ones after a listener attaches.
+    await page.addInitScript(() => {
+      const phases: string[] = []
+      ;(window as unknown as { __conversationPhases: string[] }).__conversationPhases = phases
+      setInterval(() => {
+        const phase = document.querySelector('div[data-phase]')?.getAttribute('data-phase')
+        if (phase === null || phase === undefined) return
+        if (phases[phases.length - 1] !== phase) phases.push(phase)
+      }, 8)
+    })
+
+    let releaseHistory = (): void => {}
+    const historyHeld = new Promise<void>((resolve) => { releaseHistory = resolve })
+    let historyRequested = (): void => {}
+    const historyInFlight = new Promise<void>((resolve) => { historyRequested = resolve })
+    let gated = false
+    await page.route(HISTORY_ROUTE, async (route) => {
+      // Only the auto-selection's own round-trip is held; later pages must not
+      // deadlock behind a gate this test has already released.
+      if (gated) { await route.continue(); return }
+      gated = true
+      historyRequested()
+      await historyHeld
+      await route.continue()
+    })
+
+    const warningsBefore = tripwire.warnings.length
+    await page.reload({ waitUntil: 'commit' })
+    await historyInFlight
+
+    // The frame a user sees while the session is still opening: hero phase, the
+    // hero title, and a composer that is actually painted (`settling` hides the
+    // seat with `visibility:hidden`, which Playwright reports as not visible).
+    await page.waitForSelector(ROOT_PHASE, { timeout: 15_000 })
+    expect(await page.locator(ROOT_PHASE).first().getAttribute('data-phase')).toBe('hero')
+    expect(await page.getByText("Let's start building").isVisible()).toBe(true)
+    expect(await page.locator('textarea').first().isVisible()).toBe(true)
+
+    releaseHistory()
+    await page.locator('textarea:enabled[placeholder="Describe what you want to build"]')
+      .waitFor({ timeout: 15_000 })
+    acknowledgeReloadConnectionLoss(tripwire, warningsBefore)
+
+    // Settling is not merely absent from the frame sampled above: the root
+    // never entered it at any point of the load.
+    expect(await recordedPhases(page)).toEqual(['hero'])
+    expect(tripwire.pageErrors).toEqual([])
+  }, 120_000)
+})
diff --git a/apps/web/tests/steering.e2e.ts b/apps/web/tests/steering.e2e.ts
index 3cbae0b9ee..a329f2c02e 100644
--- a/apps/web/tests/steering.e2e.ts
+++ b/apps/web/tests/steering.e2e.ts
@@ -1,16 +1,15 @@
-// Web e2e scenario: mid-turn steering, end to end. The product composer
-// deliberately exposes Queue only, so the steer is POSTed from the page
-// itself over the same same-origin /api transport the client uses.
-// TODO(web-steer-ui): Drive this through a dedicated steering interaction
-// once one exists. Everything downstream is product: the gateway
-// routes mode:'steer' to Agent.steer, the loop drains it at the step
-// boundary into a durable steering/message event, the SSE mux pushes it, and
-// the transcript renders the badged interjection bubble. The question
-// composer supplies the deterministic mid-turn window: while ask_user_question
-// blocks, the turn is provably running, so record and replay perform the
-// identical steer-then-answer sequence with zero timing dependence — and the
-// recorded final reply proves the steer reached the MODEL (it obeys an
-// instruction that only the steering message carries).
+// Web e2e scenario: mid-turn steering over the host wire. The Web UI has no
+// steer entry, so the steer is POSTed from the page over the same
+// same-origin /api transport the client uses. Everything downstream is
+// product: the gateway routes mode:'steer' to Agent.steer, the loop drains
+// it at the step boundary into a durable steering/message event, the SSE mux
+// pushes it, and the transcript shows the text as a plain bubble (no
+// interjection chrome). The question composer supplies the deterministic
+// mid-turn window: while ask_user_question blocks, the turn is provably
+// running, so record and replay perform the identical steer-then-answer
+// sequence with zero timing dependence — and the recorded final reply proves
+// the steer reached the MODEL (it obeys an instruction that only the
+// steering message carries).
 import { readFile } from 'node:fs/promises'
 import { fileURLToPath } from 'node:url'
 import { join } from 'node:path'
@@ -29,11 +28,11 @@ const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/steering', import.meta.u
 const FIXTURE = join(SNAPSHOT_DIR, 'session.jsonl')
 // Two goldens for the two distinct states this interaction produces: the
 // mid-turn moment (steer ACCEPTED but deliberately invisible — the loop
-// drains steering at the step boundary, so no interjection bubble exists
-// while the question still blocks the step) and the settled transcript
-// (badged bubble in place, final reply obeying it). The pair pins the
-// timing semantics visually: if the client ever starts rendering pending
-// steers eagerly, the mid-steer golden flips first.
+// drains steering at the step boundary, so no steering text exists while
+// the question still blocks the step) and the settled transcript (plain
+// bubble in place, final reply obeying it). The pair pins the timing
+// semantics visually: if the client ever starts rendering pending steers
+// eagerly, the mid-steer golden flips first.
 const MID_EXPECTED = join(SNAPSHOT_DIR, 'mid-steer.expected.md')
 const SETTLED_EXPECTED = join(SNAPSHOT_DIR, 'settled.expected.md')
 const MODE = webSnapshotMode()
@@ -72,7 +71,7 @@ describe('web e2e: mid-turn steering lands durably and visibly', () => {
     await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
     await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
     // Fresh world: connect a Workspace so the composer scenarios start live.
-    await connectFreshWorkspace(page)
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
   }, 120_000)
 
   afterAll(async () => {
@@ -80,7 +79,7 @@ describe('web e2e: mid-turn steering lands durably and visibly', () => {
     await scaffold?.close()
   })
 
-  it('steers during the blocked step; the interjection is logged, rendered, and obeyed', async () => {
+  it('steers during the blocked step; the message is logged, rendered, and obeyed', async () => {
     onTestFailed(() => saveFailureShot(page, 'web-e2e-steering'))
     if (MODE !== 'record') {
       // The steer must NOT be a user/message — it lands as steering/message.
@@ -118,10 +117,9 @@ describe('web e2e: mid-turn steering lands durably and visibly', () => {
     if (MODE !== 'record') {
       // Mid-turn golden: the ACCEPTED steer is durable in the inbox but the
       // loop drains steering only at the step boundary, so no steering/message
-      // exists yet and no interjection bubble renders — the composer still
-      // blocks, alone. The DOM is stable here (no further SSE frames can
-      // arrive until the question is answered), making this state capturable.
-      expect(await page.getByText('Interjection', { exact: true }).count()).toBe(0)
+      // exists yet and no steer text renders — the composer still blocks,
+      // alone. The DOM is stable here (no further SSE frames can arrive until
+      // the question is answered), making this state capturable.
       expect(await page.getByText(STEER, { exact: true }).count()).toBe(0)
       expect(await page.getByRole('button', { name: 'Edit queued message' }).count()).toBe(0)
       const snapshot = await captureStableAria(page, '[class*="centerCol"]', scaffold.workspaceCwd)
@@ -155,14 +153,13 @@ describe('web e2e: mid-turn steering lands durably and visibly', () => {
     expect(turnEnds).toHaveLength(1)
     expect((turnEnds[0] as SessionEvent & { data: { reason: { kind: string } } }).data.reason.kind).toBe('completed')
 
-    // Visible: the badged interjection bubble plus the reply that obeys it
+    // Visible: the plain steering bubble plus the reply that obeys it
     // (steer text + final reply each contain the marker word).
-    await expect.poll(() => page.getByText('Interjection', { exact: true }).count(), { timeout: 15_000 }).toBe(1)
-    await expect.poll(() => page.getByText('Interjection:', { exact: false }).count(), { timeout: 10_000 }).toBe(1)
+    await expect.poll(() => page.getByText(STEER, { exact: true }).count(), { timeout: 15_000 }).toBe(1)
     await expect.poll(() => page.getByText('BANANA', { exact: false }).count(), { timeout: 10_000 }).toBeGreaterThanOrEqual(2)
     expect(await page.locator('[data-question-key]').count()).toBe(0)
-    // Settled golden: badge + interjection between the question round trip
-    // and the obeying reply, composer takeover gone.
+    // Settled golden: steer text between the question round trip and the
+    // obeying reply, composer takeover gone.
     const snapshot = await captureStableAria(page, '[class*="centerCol"]', scaffold.workspaceCwd)
     await compareOrRefreshGolden(SETTLED_EXPECTED, snapshot, MODE)
     expect(tripwire.pageErrors).toEqual([])
diff --git a/apps/web/tests/support.ts b/apps/web/tests/support.ts
index aded1aa406..4ccc18de9f 100644
--- a/apps/web/tests/support.ts
+++ b/apps/web/tests/support.ts
@@ -1,6 +1,7 @@
 // Shared plumbing for the web smoke tests (dist location, free port, failure shots).
 import { existsSync, mkdirSync } from 'node:fs'
 import { createServer } from 'node:net'
+import { join } from 'node:path'
 import { fileURLToPath } from 'node:url'
 import type { Browser, Page } from 'playwright'
 
@@ -9,11 +10,18 @@ export const DIST_INDEX = fileURLToPath(new URL('../dist/index.html', import.met
 
 export const REPO_ROOT = fileURLToPath(new URL('../../..', import.meta.url))
 
+/**
+ * Browser language a page must advertise to boot into the product's Chinese
+ * surface: with no stored preference the client derives its initial locale
+ * from the browser, and Playwright's default browser asks for English.
+ */
+export const ZH_BROWSER_LOCALE = 'zh-CN'
+
 /**
  * Open the standard browser-test page with English selected before client
  * boot. This keeps role locators and goldens deterministic across localized
- * component migrations; the settings locale scenario deliberately bypasses
- * this helper to cover the product's default Chinese state.
+ * component migrations; the scenarios asserting the Chinese surface bypass
+ * this helper and advertise {@link ZH_BROWSER_LOCALE} instead.
  * @param browser - Playwright browser owning the page.
  * @param height - Viewport height; width is fixed to the lane baseline.
  * @returns the initialized page.
@@ -48,23 +56,32 @@ export function probeFreePort(): Promise<number> {
 }
 
 /**
- * Drive the hero's workspace picker through its create-by-name dialog until
- * the live composer unlocks. A fresh world has no Workspace, so the boot
+ * Drive the hero's workspace picker through the composed directory dialog
+ * until the live composer unlocks. A fresh world has no Workspace, so the boot
  * lands in the locked view state (startup auto-selection has nothing to
  * select); every scenario that types into the composer must connect one
- * first. The default name 'workspace' keeps the session header cwd at
- * <workspaceRoot>/workspace — the materialization proof several scenarios
+ * first. With nothing to list, the chip gesture raises the dialog directly —
+ * adding a workspace is the picker's only entry. The directory is staged here
+ * and adopted through the path editor, which is idempotent across the repeated
+ * connects a scenario may make; creating a folder from inside the dialog (the
+ * product's other half of the same route) is covered by
+ * workspace-management.e2e.ts. The default name 'workspace' keeps the session
+ * header cwd at <root>/workspace, the materialization proof several scenarios
  * assert.
  * @param page - the page under test.
- * @param name - workspace name typed into the create dialog.
+ * @param root - host directory the workspace folder is staged in (the scaffold's `workspaceCwd`).
+ * @param name - folder name staged and adopted as the workspace.
  */
-export async function connectFreshWorkspace(page: Page, name = 'workspace'): Promise<void> {
+export async function connectFreshWorkspace(page: Page, root: string, name = 'workspace'): Promise<void> {
+  mkdirSync(join(root, name), { recursive: true })
   await page.getByRole('button', { name: 'Choose workspace' }).click()
-  await page.getByRole('menuitem', { name: 'Create a new workspace' }).click()
-  const dialog = page.getByRole('dialog', { name: 'Create a new workspace' })
+  const dialog = page.getByRole('dialog', { name: 'Select Workspace Directory' })
   await dialog.waitFor({ timeout: 10_000 })
-  await dialog.getByLabel('New workspace name').fill(name)
-  await dialog.getByRole('button', { name: 'Create workspace' }).click()
+  await dialog.getByRole('button', { name: 'Edit path' }).click()
+  const pathInput = dialog.getByRole('textbox', { name: 'Edit path' })
+  await pathInput.fill(join(root, name))
+  await pathInput.press('Enter')
+  await dialog.getByRole('button', { name: 'Open', exact: true }).click()
   // The pick connected the workspace: the blank session's live composer
   // replaces the locked placeholder and enables.
   await page.locator('textarea:enabled[placeholder="Describe what you want to build"]')
diff --git a/apps/web/tests/web-search-round.e2e.ts b/apps/web/tests/web-search-round.e2e.ts
new file mode 100644
index 0000000000..e887fb8e35
--- /dev/null
+++ b/apps/web/tests/web-search-round.e2e.ts
@@ -0,0 +1,207 @@
+// Web e2e scenario for the shipped default search composition. A real browser
+// drives `web_search`; the model stream is replayed while the real DeepSeek
+// provider calls a deterministic local Anthropic-compatible endpoint through
+// the real credentials service.
+import { readFile } from 'node:fs/promises'
+import { createServer, type Server } from 'node:http'
+import type { AddressInfo } from 'node:net'
+import { fileURLToPath } from 'node:url'
+import type { Browser, Page } from 'playwright'
+import { chromium } from 'playwright'
+import { afterAll, beforeAll, describe, expect, it, onTestFailed } from 'vitest'
+import { credentialRef } from '@deepseek-ai/dsh-credentials'
+import type { SessionEvent } from '@deepseek-ai/dsh-session'
+import {
+  assertFixtureInventory, captureStableAria, compareOrRefreshGolden, fixtureUserPrompts,
+  launchWebScaffold, recordFixture, watchConsole, webSnapshotMode, type WebScaffold,
+} from './scaffold.ts'
+import { connectFreshWorkspace, newEnglishPage, saveFailureShot } from './support.ts'
+
+const SNAPSHOT_DIR = fileURLToPath(new URL('./snapshots/web-search-round', import.meta.url))
+const FIXTURE = fileURLToPath(new URL('./snapshots/web-search-round/session.jsonl', import.meta.url))
+const UI_EXPECTED = fileURLToPath(new URL('./snapshots/web-search-round/ui.expected.md', import.meta.url))
+const MODE = webSnapshotMode()
+const QUERY = 'DeepSeek Harness snapshot search'
+const PROMPT = `Use web_search to search exactly "${QUERY}". Then reply exactly SEARCH_DONE and stop.`
+const SEARCH_CREDENTIAL_REF = credentialRef('DSH_WEB_SEARCH_E2E_KEY')
+const SEARCH_CREDENTIAL = 'snapshot-search-key'
+const RESULT_URL = 'https://docs.example.test/search'
+
+interface CapturedSearchRequest {
+  path: string
+  apiKey: string | undefined
+  body: unknown
+}
+
+/** Start the deterministic DeepSeek Messages double used by the real provider. */
+async function startSearchServer(captured: CapturedSearchRequest[]): Promise<{ server: Server; baseURL: string }> {
+  const server = createServer((request, response) => {
+    let body = ''
+    request.setEncoding('utf8')
+    request.on('data', (chunk: string) => { body += chunk })
+    request.on('end', () => {
+      captured.push({
+        path: request.url ?? '',
+        apiKey: typeof request.headers['x-api-key'] === 'string' ? request.headers['x-api-key'] : undefined,
+        body: JSON.parse(body) as unknown,
+      })
+      response.writeHead(200, { 'content-type': 'application/json' })
+      response.end(JSON.stringify({
+        content: [
+          {
+            type: 'text',
+            text: 'Found one source.',
+            citations: [{
+              type: 'web_search_result_location',
+              url: RESULT_URL,
+              cited_text: 'Snapshot search excerpt.',
+            }],
+          },
+          {
+            type: 'web_search_tool_result',
+            content: [{
+              type: 'web_search_result',
+              url: RESULT_URL,
+              title: 'Snapshot Search Result',
+              page_age: '2026-07-31',
+            }],
+          },
+        ],
+      }))
+    })
+  })
+  await new Promise<void>((resolve, reject) => {
+    server.once('error', reject)
+    server.listen(0, '127.0.0.1', () => {
+      server.off('error', reject)
+      resolve()
+    })
+  })
+  const address = server.address() as AddressInfo
+  return { server, baseURL: `http://127.0.0.1:${address.port}` }
+}
+
+describe('web e2e: shipped default web search', () => {
+  let scaffold: WebScaffold
+  let browser: Browser
+  let page: Page
+  let searchServer: Server | undefined
+  let searchBaseURL: string
+  let tripwire: ReturnType<typeof watchConsole>
+  const searchRequests: CapturedSearchRequest[] = []
+  const sessionEvents: SessionEvent[] = []
+
+  beforeAll(async () => {
+    const search = await startSearchServer(searchRequests)
+    searchServer = search.server
+    searchBaseURL = search.baseURL
+    scaffold = await launchWebScaffold({
+      deepSeekSearch: {
+        baseURL: search.baseURL,
+        apiKeyEnv: SEARCH_CREDENTIAL_REF,
+      },
+      ...(MODE === 'record' ? {} : { replayFixture: FIXTURE, paceMs: 15 }),
+    })
+    await scaffold.ctx.credentials.set(SEARCH_CREDENTIAL_REF, SEARCH_CREDENTIAL)
+    scaffold.ctx.on('session/event', (_session, event: SessionEvent) => { sessionEvents.push(event) })
+    browser = await chromium.launch()
+    page = await newEnglishPage(browser)
+    tripwire = watchConsole(page)
+    await page.goto(scaffold.baseUrl, { waitUntil: 'load' })
+    await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
+    await connectFreshWorkspace(page, scaffold.workspaceCwd)
+  }, 120_000)
+
+  afterAll(async () => {
+    await browser?.close()
+    await scaffold?.close()
+    await new Promise<void>((resolve, reject) => {
+      if (searchServer === undefined) {
+        resolve()
+        return
+      }
+      searchServer.close((error) => {
+        if (error === undefined) resolve()
+        else reject(error)
+      })
+    })
+  })
+
+  it('drives the recorded search to a settled turn (all modes)', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-search-drive'))
+    if (MODE !== 'record') {
+      expect(fixtureUserPrompts(await readFile(FIXTURE, 'utf8'))).toEqual([PROMPT])
+    }
+    const input = page.locator('textarea').first()
+    await input.waitFor({ timeout: 10_000 })
+    const settled = scaffold.whenTurnSettled()
+    await input.fill(PROMPT)
+    await input.press('Enter')
+    const sessionId = await settled
+    if (MODE === 'record') await recordFixture(scaffold, sessionId, FIXTURE)
+  }, 200_000)
+
+  it.skipIf(MODE === 'record')('uses the real provider and persists the structured result', () => {
+    expect(searchRequests).toHaveLength(1)
+    expect(searchRequests[0]).toMatchObject({
+      path: '/messages',
+      apiKey: SEARCH_CREDENTIAL,
+      body: {
+        messages: [{
+          role: 'user',
+          content: [{ type: 'text', text: `Perform a web search for the query: ${QUERY}` }],
+        }],
+        tools: [{ type: 'web_search_20250305', name: 'web_search' }],
+      },
+    })
+
+    const auxiliaryRequest = sessionEvents.find(
+      (event): event is Extract<SessionEvent, { type: 'web/deepseek-search-llm-request' }> =>
+        event.type === 'web/deepseek-search-llm-request',
+    )
+    expect(auxiliaryRequest?.data).toEqual({
+      endpoint: `${searchBaseURL}/messages`,
+      apiVersion: '2023-06-01',
+      body: searchRequests[0]?.body,
+    })
+
+    const searchCall = sessionEvents.find(
+      (event): event is Extract<SessionEvent, { type: 'tool/call' }> =>
+        event.type === 'tool/call' && event.data.name === 'web_search',
+    )
+    if (searchCall === undefined) throw new Error('the replayed turn did not call web_search')
+    const searchResult = sessionEvents.find(
+      (event): event is Extract<SessionEvent, { type: 'tool/result' }> =>
+        event.type === 'tool/result' && event.data.message.source.callId === searchCall.data.callId,
+    )
+    if (searchResult === undefined) throw new Error('web_search produced no durable result')
+    const content = searchResult.data.message.content[0]
+    expect(content.isError).toBe(false)
+    expect(content.content.filter(block => block.type === 'text').map(block => block.text).join(''))
+      .toContain(`[Snapshot Search Result](${RESULT_URL})`)
+    expect(searchResult.data.meta).toMatchObject({
+      sources: [{
+        url: RESULT_URL,
+        title: 'Snapshot Search Result',
+        snippet: 'Snapshot search excerpt.',
+        publishedAt: '2026-07-31',
+      }],
+      truncated: false,
+    })
+  })
+
+  it.skipIf(MODE === 'record')('matches the settled search card aria golden', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-search-aria'))
+    await expect.poll(() => page.getByText('SEARCH_DONE', { exact: true }).count(), { timeout: 15_000 })
+      .toBeGreaterThanOrEqual(1)
+    await page.locator('[data-tool="web_search"]').waitFor({ timeout: 10_000 })
+    const snapshot = await captureStableAria(page, '[class*="centerCol"]', scaffold.workspaceCwd)
+    await compareOrRefreshGolden(UI_EXPECTED, snapshot, MODE)
+  })
+
+  it.skipIf(MODE === 'record')('stayed clean and kept the exact fixture inventory', async () => {
+    expect(tripwire.pageErrors).toEqual([])
+    expect(tripwire.warnings).toEqual([])
+    await assertFixtureInventory(SNAPSHOT_DIR, ['session.jsonl', 'ui.expected.md'])
+  })
+})
diff --git a/apps/web/tests/workspace-management.e2e.ts b/apps/web/tests/workspace-management.e2e.ts
index e6a7f31f18..1ffcf6f490 100644
--- a/apps/web/tests/workspace-management.e2e.ts
+++ b/apps/web/tests/workspace-management.e2e.ts
@@ -1,14 +1,19 @@
-// Web e2e scenarios: workspace management — the create-by-name dialog, the
-// rename round trip over the real wire (workspace.rename RPC + durable
-// registry), duplicate-name pre-check, the flat "In one list" view with its
-// persisted group-by preference, and the session hover card. Zero model
-// calls: workspace.create/rename are host RPCs with no model involvement,
-// and the one session row the flat/hover scenarios need comes from a seeded
-// fixture (the seeded-history seed reused verbatim — no new recording).
+// Web e2e scenarios: workspace management — adding a workspace through the
+// composed directory dialog (its own New folder affordance is the product's
+// one creation route), same-basename directory adoption, the rename round
+// trip over the real wire (workspace.rename RPC + durable registry), the
+// duplicate-name pre-check, the
+// flat "In one list" view with its persisted group-by preference, the session
+// hover card and row action menu, and the session archive round trip (row
+// menu → workspace.archiveSession RPC → durable global set → row hidden
+// across reload). Zero model calls: workspace.create/rename/archiveSession
+// are host RPCs with no model involvement, and the one session row the
+// flat/hover/menu/archive scenarios need comes from a seeded fixture (the
+// seeded-history seed reused verbatim — no new recording).
 import { mkdir, readFile, stat, writeFile } from 'node:fs/promises'
 import { fileURLToPath } from 'node:url'
 import { join } from 'node:path'
-import type { Browser, Page } from 'playwright'
+import type { Browser, Locator, Page } from 'playwright'
 import { chromium } from 'playwright'
 import { afterAll, beforeAll, describe, expect, it, onTestFailed } from 'vitest'
 import { SessionId } from '@deepseek-ai/dsh-session'
@@ -25,29 +30,59 @@ const SEED = fileURLToPath(new URL('./snapshots/seeded-history/seed.jsonl', impo
 const MODE = webSnapshotMode()
 const BROWSER_EXPECTED = join(SNAPSHOT_DIR, 'directory-browser.expected.md')
 const SEED_ID = 'workspace-management-web-e2e'
+// Both waits exceed ui-primitives' 200ms POINTER_GRACE_MS. Keep them coupled
+// to that contract if the shared grace tuning changes.
+const POINTER_TRANSIT_MS = 300
+const POINTER_HOLD_MS = 600
 
-describe('web e2e: workspace management (create / rename / flat view / hover card)', () => {
+describe('web e2e: workspace management (create / rename / flat view / hover affordances)', () => {
   let scaffold: WebScaffold
   let browser: Browser
   let page: Page
   let tripwire: ReturnType<typeof watchConsole>
 
   /**
-   * Drive the in-app browser to a directory via its path-edit affordance,
-   * confirm it, and wait for the adoption to settle host-side (workspace
-   * registered + the flow's New-Session agent up), so later test steps can't
-   * race the in-flight blank-session attach.
+   * Raise the region header's directory dialog and drive it to a directory via
+   * the path-edit affordance. Adding is the header button's only action, so
+   * the click lands in the dialog with no menu in between.
    */
-  async function openLocalFolder(path: string, options: { waitForAgent?: boolean } = {}): Promise<void> {
-    const agentsBefore = scaffold.ctx.agents.list().length
-    await page.getByRole('button', { name: 'Create workspace' }).click()
-    await page.getByRole('menuitem', { name: 'Open local folder…' }).click()
+  async function browseTo(path: string): Promise<Locator> {
+    await page.getByRole('button', { name: 'Add workspace' }).click()
     const dialog = page.getByRole('dialog', { name: 'Select Workspace Directory' })
     await dialog.waitFor({ timeout: 10_000 })
     await dialog.getByRole('button', { name: 'Edit path' }).click()
     await dialog.getByLabel('Edit path').fill(path)
     await dialog.getByLabel('Edit path').press('Enter')
-    await dialog.getByRole('button', { name: 'Open' }).click()
+    return dialog
+  }
+
+  /**
+   * Create a folder inside `parent` through the dialog and adopt it — the
+   * product's only route to a brand-new workspace directory.
+   */
+  async function addNewFolderWorkspace(parent: string, name: string): Promise<void> {
+    const dialog = await browseTo(parent)
+    await dialog.getByRole('button', { name: 'New folder' }).click()
+    await page.getByLabel('Folder name').fill(name)
+    await page.getByRole('button', { name: 'Create', exact: true }).click()
+    // Creating selects the new folder in the listing; Open adopts it.
+    await dialog.getByRole('button', { name: 'Open', exact: true }).click()
+    await dialog.waitFor({ state: 'hidden', timeout: 10_000 })
+    await expect.poll(
+      () => scaffold.ctx.workspace.resolveByPath(join(parent, name)),
+      { timeout: 10_000 },
+    ).not.toBeUndefined()
+  }
+
+  /**
+   * Adopt an existing directory, waiting for the adoption to settle host-side
+   * (workspace registered + the flow's New-Session agent up), so later test
+   * steps can't race the in-flight blank-session attach.
+   */
+  async function adoptDirectory(path: string, options: { waitForAgent?: boolean } = {}): Promise<void> {
+    const agentsBefore = scaffold.ctx.agents.list().length
+    const dialog = await browseTo(path)
+    await dialog.getByRole('button', { name: 'Open', exact: true }).click()
     await dialog.waitFor({ state: 'hidden', timeout: 10_000 })
     await expect.poll(
       () => scaffold.ctx.workspace.resolveByPath(path),
@@ -83,22 +118,17 @@ describe('web e2e: workspace management (create / rename / flat view / hover car
     await scaffold?.close()
   })
 
-  it('creates two workspaces by name through the region-header dialog', async () => {
+  it('adds two workspaces through the dialog, each on a folder it created', async () => {
     onTestFailed(() => saveFailureShot(page, 'web-e2e-ws-create'))
-    const createByName = async (name: string): Promise<void> => {
-      await page.getByRole('button', { name: 'Create workspace' }).click()
-      await page.getByRole('menuitem', { name: 'Create a new workspace' }).click()
-      const dialog = page.getByRole('dialog', { name: 'Create a new workspace' })
-      await dialog.waitFor({ timeout: 10_000 })
-      await dialog.getByLabel('New workspace name').fill(name)
-      await dialog.getByRole('button', { name: 'Create workspace' }).click()
-      await expect.poll(() => page.getByRole('dialog', { name: 'Create a new workspace' }).count(), { timeout: 10_000 }).toBe(0)
+    const add = async (name: string): Promise<void> => {
+      await addNewFolderWorkspace(scaffold.workspaceCwd, name)
       // The real workspace materializes in the tree as a group row.
       await expect.poll(() => page.getByText(name, { exact: true }).count(), { timeout: 10_000 }).toBeGreaterThanOrEqual(1)
     }
-    await createByName('alpha-ws')
-    await createByName('beta-ws')
-    // Durable on the host: both registered, newest first (create prepends).
+    await add('alpha-ws')
+    await add('beta-ws')
+    // Durable on the host: both registered, newest first (create prepends),
+    // each titled after the folder the dialog made.
     const titles = scaffold.ctx.workspace.list().map(workspace => workspace.title)
     expect(titles.slice(0, 2)).toEqual(['beta-ws', 'alpha-ws'])
     expect(tripwire.pageErrors).toEqual([])
@@ -164,7 +194,7 @@ describe('web e2e: workspace management (create / rename / flat view / hover car
       collect()
     })
     // Register the scaffold's existing project directory through the real UI.
-    await openLocalFolder(scaffold.workspaceCwd, { waitForAgent: true })
+    await adoptDirectory(scaffold.workspaceCwd, { waitForAgent: true })
     const workspace = await scaffold.ctx.workspace.resolveByPath(scaffold.workspaceCwd)
     if (workspace === undefined) throw new Error('GUI did not register the existing project directory')
     await workspace.attachSession(SessionId(SEED_ID))
@@ -222,7 +252,7 @@ describe('web e2e: workspace management (create / rename / flat view / hover car
     // Re-registering the exact deleted path immediately, without a reload, is
     // a supported reversible flow. It creates a fresh Workspace id without
     // re-adopting the retained Session.
-    await openLocalFolder(scaffold.workspaceCwd)
+    await adoptDirectory(scaffold.workspaceCwd)
     await expect.poll(
       () => scaffold.ctx.workspace.resolveByPath(scaffold.workspaceCwd),
       { timeout: 10_000 },
@@ -292,7 +322,7 @@ describe('web e2e: workspace management (create / rename / flat view / hover car
       collect()
     })
 
-    await openLocalFolder(oldPath)
+    await adoptDirectory(oldPath)
     await expect.poll(
       () => scaffold.ctx.workspace.resolveByPath(oldPath),
       { timeout: 10_000 },
@@ -308,12 +338,7 @@ describe('web e2e: workspace management (create / rename / flat view / hover car
       .getByRole('button', { name: 'Delete workspace' }).click()
     await expect.poll(() => scaffold.ctx.workspace.get(oldWorkspace.id), { timeout: 10_000 }).toBeUndefined()
 
-    await page.getByRole('button', { name: 'Create workspace' }).click()
-    await page.getByRole('menuitem', { name: 'Create a new workspace' }).click()
-    const create = page.getByRole('dialog', { name: 'Create a new workspace' })
-    await create.getByLabel('New workspace name').fill(title)
-    await create.getByRole('button', { name: 'Create workspace' }).click()
-    await expect.poll(() => create.count(), { timeout: 10_000 }).toBe(0)
+    await addNewFolderWorkspace(scaffold.workspaceCwd, title)
     const fresh = scaffold.ctx.workspace.list().find(workspace => workspace.title === title)
     expect(fresh?.id).toBeDefined()
     expect(fresh?.id).not.toBe(oldWorkspace.id)
@@ -363,13 +388,7 @@ describe('web e2e: workspace management (create / rename / flat view / hover car
     process.env.HOME = scaffold.workspaceCwd
     process.env.USERPROFILE = scaffold.workspaceCwd
     try {
-      await page.getByRole('button', { name: 'Create workspace' }).click()
-      await page.getByRole('menuitem', { name: 'Open local folder…' }).click()
-      const dialog = page.getByRole('dialog', { name: 'Select Workspace Directory' })
-      await dialog.waitFor({ timeout: 10_000 })
-      await dialog.getByRole('button', { name: 'Edit path' }).click()
-      await dialog.getByLabel('Edit path').fill(staged)
-      await dialog.getByLabel('Edit path').press('Enter')
+      const dialog = await browseTo(staged)
       await expect.poll(() => dialog.getByText('alpha', { exact: true }).count(), { timeout: 10_000 }).toBe(1)
       const snapshot = await captureStableAria(page, '[role="dialog"]', scaffold.workspaceCwd)
       await compareOrRefreshGolden(BROWSER_EXPECTED, snapshot, MODE)
@@ -384,14 +403,17 @@ describe('web e2e: workspace management (create / rename / flat view / hover car
     expect(tripwire.pageErrors).toEqual([])
   }, 60_000)
 
-  it('shows the session hover card after a dwell on the row', async () => {
-    onTestFailed(() => saveFailureShot(page, 'web-e2e-ws-hover'))
-    // Expand Ungrouped to reveal the seeded session row, then dwell on it
-    // (the card opens after a 500ms hover delay, portaled to body).
+  /**
+   * Expand Ungrouped and return its seeded session row. The only visible child
+   * is the non-blank persisted Session; the blank Session created while
+   * adopting the Workspace stays hidden.
+   * @returns the session row locator, already present.
+   */
+  async function seededSessionRow() {
     const ungroupedRow = page.getByText('Ungrouped', { exact: true }).locator('..').locator('..')
     const ungroupedSection = ungroupedRow.locator('..')
-    // Initial-current auto-expansion can race this following test's gesture;
-    // converge on expanded rather than assuming which update wins first.
+    // Initial-current auto-expansion can race this gesture; converge on
+    // expanded rather than assuming which update wins first.
     await expect.poll(async () => {
       if (await ungroupedRow.getAttribute('aria-expanded') !== 'true') {
         await page.getByText('Ungrouped', { exact: true }).click()
@@ -399,20 +421,145 @@ describe('web e2e: workspace management (create / rename / flat view / hover car
       }
       return await ungroupedRow.getAttribute('aria-expanded')
     }, { timeout: 5_000 }).toBe('true')
-    // The only visible child is the non-blank persisted Session; the blank
-    // Session created while adopting the Workspace remains hidden.
-    const sessionRow = ungroupedSection.locator('[role="treeitem"]').nth(1)
-    await sessionRow.waitFor({ timeout: 10_000 })
+    const row = ungroupedSection.locator('[role="treeitem"]').nth(1)
+    await row.waitFor({ timeout: 10_000 })
+    return row
+  }
+
+  it('shows the session hover card after a dwell on the row', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-ws-hover'))
+    // Dwell on the seeded row; the card opens after a 500ms hover delay,
+    // portaled to body.
+    const sessionRow = await seededSessionRow()
+    const rowTitle = await sessionRow.locator('[class*="title"]').innerText()
     await sessionRow.hover()
-    // Card content: the full title plus the Idle status line (display-only
-    // card; no aria role — text anchors are the stable selector).
+    // Card content: the full title plus the Idle status line (no aria role —
+    // text anchors are the stable selector).
     await expect.poll(() => page.getByText('Idle', { exact: true }).count(), { timeout: 5_000 }).toBeGreaterThanOrEqual(1)
-    // Leaving the anchor closes it with no delay.
+    // The card is REACHABLE: it sits 8px off the row, so getting to it means
+    // crossing ground that belongs to neither. Hovering it must not dismiss
+    // it — the regression this scenario guards.
+    const card = page.getByRole('button', { name: `Copy: ${rowTitle}` })
+    await card.hover()
+    await page.waitForTimeout(POINTER_HOLD_MS)
+    expect(await page.getByText('Idle', { exact: true }).count()).toBeGreaterThanOrEqual(1)
+    // The full title is the card's primary value: activating anywhere on the
+    // card writes it through the browser clipboard and localizes the success
+    // feedback through the English locale seat.
+    await page.context().grantPermissions(['clipboard-read', 'clipboard-write'])
+    const cardHeight = (await card.boundingBox())?.height
+    await card.click()
+    const copied = page.getByRole('status').getByText('Copied', { exact: true })
+    await copied.waitFor({ timeout: 5_000 })
+    await page.waitForTimeout(POINTER_HOLD_MS)
+    expect((await card.boundingBox())?.height).toBe(cardHeight)
+    expect(await copied.isVisible()).toBe(true)
+    expect(await page.evaluate(() => navigator.clipboard.readText())).toBe(rowTitle)
+    // Leaving anchor and card together closes it after the grace.
     await page.getByRole('button', { name: 'Settings' }).hover()
-    await expect.poll(() => page.getByText('Idle', { exact: true }).count(), { timeout: 5_000 }).toBe(0)
+    await expect.poll(() => card.count(), { timeout: 5_000 }).toBe(0)
     expect(tripwire.pageErrors).toEqual([])
   }, 60_000)
 
+  it('keeps an open row menu up while the pointer moves between trigger and list', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-ws-row-menu'))
+    const sessionRow = await seededSessionRow()
+    // The trigger is display:none until its row hovers.
+    await sessionRow.hover()
+    const trigger = sessionRow.locator('button[aria-label^="Session actions for "]')
+    await trigger.click()
+    const item = page.getByRole('menuitem', { name: 'Rename' })
+    await item.waitFor({ timeout: 5_000 })
+    // Into the list, then back up to the trigger across the 4px gap below it:
+    // that return trip used to fire the list's pointerleave and close the
+    // menu, so a hesitating pointer lost it. Order matters — clicking leaves
+    // the pointer ON the trigger, so entering the list has to come first for
+    // the return to be a real departure.
+    await item.hover()
+    await page.waitForTimeout(POINTER_TRANSIT_MS)
+    await trigger.hover()
+    await page.waitForTimeout(POINTER_HOLD_MS)
+    expect(await page.getByRole('menuitem', { name: 'Rename' }).count()).toBe(1)
+    // ...and back down into the list, which must still be there to enter.
+    await item.hover()
+    await page.waitForTimeout(POINTER_HOLD_MS)
+    expect(await page.getByRole('menuitem', { name: 'Rename' }).count()).toBe(1)
+    // Pointer-leave dismissal still applies once the pointer genuinely leaves.
+    await page.getByRole('button', { name: 'Settings' }).hover()
+    await expect.poll(() => page.getByRole('menuitem', { name: 'Rename' }).count(), { timeout: 5_000 }).toBe(0)
+    expect(tripwire.pageErrors).toEqual([])
+  }, 60_000)
+
+  it('archives the seeded session from its row menu, hiding it durably across reload', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-ws-archive'))
+    // The seeded session lives under Ungrouped (expanded by the hover-card
+    // test's gesture; converge again for order independence).
+    const ungroupedRow = page.getByText('Ungrouped', { exact: true }).locator('..').locator('..')
+    const ungroupedSection = ungroupedRow.locator('..')
+    await expect.poll(async () => {
+      if (await ungroupedRow.getAttribute('aria-expanded') !== 'true') {
+        await page.getByText('Ungrouped', { exact: true }).click()
+        await page.waitForTimeout(50)
+      }
+      return await ungroupedRow.getAttribute('aria-expanded')
+    }, { timeout: 5_000 }).toBe('true')
+    // Anchor on session rows (the rows carrying a session actions button),
+    // not a positional index, and assert the single-stray assumption loudly
+    // so a fixture gaining a second stray fails here instead of archiving
+    // the wrong row. CSS attribute match, not getByRole: the button is
+    // display:none until its row hovers, and role queries skip hidden nodes.
+    const sessionRows = ungroupedSection.locator('[role="treeitem"]')
+      .filter({ has: page.locator('button[aria-label^="Session actions for "]') })
+    await expect.poll(() => sessionRows.count(), { timeout: 10_000 }).toBe(1)
+    const sessionRow = sessionRows.first()
+    const rowTitle = await sessionRow.locator('[class*="title"]').innerText()
+    // Row menu: hover reveals the actions button; Archive session commits
+    // without a confirmation dialog (non-destructive: log + accounting stay).
+    await sessionRow.hover()
+    await sessionRow.getByRole('button', { name: `Session actions for ${rowTitle}` }).click()
+    await page.getByRole('menuitem', { name: 'Archive session' }).click()
+    // The row disappears on the archive-set echo; with no other visible
+    // stray, the whole Ungrouped bucket withdraws.
+    await expect.poll(() => page.getByText(rowTitle, { exact: true }).count(), { timeout: 10_000 }).toBe(0)
+    await expect.poll(() => page.getByText('Ungrouped', { exact: true }).count(), { timeout: 10_000 }).toBe(0)
+    // Durable on the host: the registry-global set carries the id while the
+    // session log itself stays in persistence untouched.
+    expect([...scaffold.ctx.workspace.archivedSessionIds]).toEqual([SessionId(SEED_ID)])
+    expect((await scaffold.ctx.sessionPersistence.list()).map(header => header.id)).toContain(SessionId(SEED_ID))
+    // Reload: the hidden state is rebuilt from the workspace.list baseline.
+    const warningStart = tripwire.warnings.length
+    await page.reload({ waitUntil: 'load' })
+    await page.waitForSelector('[class*="frame"]', { timeout: 30_000 })
+    acknowledgeReloadConnectionLoss(tripwire, warningStart)
+    await expect.poll(() => page.getByText('Workspaces', { exact: true }).count(), { timeout: 15_000 }).toBe(1)
+    // The archived row must not resurface (the Ungrouped bucket itself may
+    // reappear if selection restore lands on another stray — not this test's
+    // concern).
+    expect(await page.getByText(rowTitle, { exact: true }).count()).toBe(0)
+    expect(tripwire.pageErrors).toEqual([])
+  }, 90_000)
+
+  it('opens folders with identical basenames as distinct workspaces', async () => {
+    onTestFailed(() => saveFailureShot(page, 'web-e2e-ws-duplicate-basename'))
+    const firstPath = join(scaffold.workspaceCwd, 'same-basename-a', 'xx')
+    const secondPath = join(scaffold.workspaceCwd, 'same-basename-b', 'xx')
+    await mkdir(firstPath, { recursive: true })
+    await mkdir(secondPath, { recursive: true })
+
+    await adoptDirectory(firstPath, { waitForAgent: true })
+    await adoptDirectory(secondPath, { waitForAgent: true })
+
+    const matchingWorkspaces = scaffold.ctx.workspace.list()
+      .filter(workspace => workspace.title === 'xx')
+    expect(matchingWorkspaces.map(workspace => workspace.path).sort())
+      .toEqual([firstPath, secondPath].sort())
+    await expect.poll(
+      () => page.locator('button[aria-label="Workspace actions for xx"]').count(),
+      { timeout: 10_000 },
+    ).toBe(2)
+    expect(tripwire.pageErrors).toEqual([])
+  }, 90_000)
+
   it.skipIf(MODE === 'record')('issued zero model calls and stayed clean', async () => {
     expect(tripwire.warnings).toEqual([])
     // The directory-browser aria golden is this spec's one owned artifact;
diff --git a/apps/web/tsconfig.json b/apps/web/tsconfig.json
index f5774e1545..c795dc7aef 100644
--- a/apps/web/tsconfig.json
+++ b/apps/web/tsconfig.json
@@ -24,6 +24,7 @@
   "exclude": [
     "tests/scaffold.ts",
     "tests/scaffold-hermetic.e2e.ts",
+    "tests/core-web-profile.snapshot.ts",
     "tests/live-interactions.e2e.ts",
     "tests/question-composer.e2e.ts",
     "tests/approval-composer.e2e.ts",
@@ -40,10 +41,16 @@
     "tests/seeded-history.e2e.ts",
     "tests/sidebar-scrollbar.e2e.ts",
     "tests/code-mode-round.e2e.ts",
+    "tests/composer-draft-scroll.e2e.ts",
     "tests/cordis-tool-round.e2e.ts",
+    "tests/web-search-round.e2e.ts",
     "tests/message-actions.e2e.ts",
     "tests/queue-actions.e2e.ts",
-    "tests/skill-invocation-policy.e2e.ts"
+    "tests/skill-invocation-policy.e2e.ts",
+    "tests/permission-policy-context.e2e.ts",
+    "tests/access-confirmation.e2e.ts",
+    "tests/shipped-composition.e2e.ts",
+    "tests/startup-auto-selection.e2e.ts"
   ],
   "references": [
     {
diff --git a/apps/web/vite.config.ts b/apps/web/vite.config.ts
index 7043de4911..1e8eb07210 100644
--- a/apps/web/vite.config.ts
+++ b/apps/web/vite.config.ts
@@ -22,6 +22,7 @@ export default defineConfig({
       { find: /^@deepseek-ai\/dsh-client-web-react$/, replacement: src('../../packages/client/web-react/src/index.ts') },
       { find: /^@deepseek-ai\/dsh-client-ui-slots$/, replacement: src('../../packages/client/ui-slots/src/index.ts') },
       { find: /^@deepseek-ai\/dsh-client-ui-primitives$/, replacement: src('../../packages/client/ui-primitives/src/index.ts') },
+      { find: /^@deepseek-ai\/dsh-client-schema-form$/, replacement: src('../../packages/client/schema-form/src/index.ts') },
       { find: /^@deepseek-ai\/dsh-client-modules\/client$/, replacement: src('../../packages/client/modules/src/client/index.ts') },
     ],
   },
diff --git a/bin/dsh b/bin/dsh
index f85f28a5cd..c578d78e74 100755
--- a/bin/dsh
+++ b/bin/dsh
@@ -20,6 +20,7 @@ root=$(CDPATH='' cd -- "$(dirname -- "$script")/.." && pwd)
 # ESM-only and the CJS resolver costs ~0.4s of startup). Absolute paths keep
 # both the hook and the tsconfig anchored to this checkout when the launcher
 # runs from any cwd, where bare `tsx/esm` would not resolve.
-TSX_TSCONFIG_PATH="$root/tsconfig.json" \
+NODE_USE_ENV_PROXY=1 \
+  TSX_TSCONFIG_PATH="$root/tsconfig.json" \
   exec node --import "$root/node_modules/tsx/dist/esm/index.mjs" \
   "$root/apps/cli/src/bin.ts" "$@"
diff --git a/docs/architecture.i18n.yaml b/docs/architecture.i18n.yaml
index baed6a09e7..d4ff37a9fb 100644
--- a/docs/architecture.i18n.yaml
+++ b/docs/architecture.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write docs/architecture.md
-architecture.md: d85756ec33b9ec2c179dd7bbefa0847d3fd02753
-architecture.zh.md: 147bafb388de44a7feb2c8b7c1de2c80ad65439b
+architecture.md: 760e70414d962ea8dae64b50132c4b89a5fb18ba
+architecture.zh.md: 5efe2c4ff61eccaf764e1c4f291ea6388945c57d
diff --git a/docs/architecture.md b/docs/architecture.md
index d85756ec33..760e70414d 100644
--- a/docs/architecture.md
+++ b/docs/architecture.md
@@ -89,9 +89,10 @@ forever:
     step loop:
       'step/start'
       append the returned batch as separate 'user/message' events
-      assemble prompt and schemas -> snapshot derived messages
-      agent/request -> prepare adapter defaults/provenance -> request/header -> llm/stream
-      'assistant/chunk' -> 'assistant/message'
+      assemble ordered prompt and tool schemas -> snapshot derived messages
+      agent/request (config only) -> prepare adapter defaults/provenance + context capacity under turn signal -> log request/header (+ request/context on route change) -> llm/stream (frozen, registration-bound)
+      'assistant/chunk'
+      'assistant/message'
       schedule tool calls by ctx.tools.executionMode:
         exclusive -> barrier
         parallel -> rolling pool, <= maxParallelToolCalls; reclassify at start
@@ -101,7 +102,7 @@ forever:
       tools owe another request or next-step inbox is nonempty
         -> claim -> agent/pre-step -> append entered batch -> continue
       otherwise agent/turn-stopping -> re-check the next-step inbox
-    'turn/end' -> agent/settled
+    'turn/end'
   start the next waking queued message, or emit agent/status(idle)
 
 idle inject:
@@ -121,11 +122,11 @@ Adapter selection, dispatch, and iteration failures become terminal error or abo
 
 Other failures use `agent/error`; cancellation and disposal beat recovery. Before request-header commit, the turn signal cancels capability preparation; undispatched tools get synthetic `tool/call`/`ABORTED_BEFORE_DISPATCH` pairs. Effective `cancel(cause)` reports its cause before clearing and aborting; idle calls emit nothing. Durability distinguishes `aborted` cancellation from `disposed` teardown, which awaits quiescence ([decision](../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md)).
 
-Turn and step events are turn-enclosed; the loop appends injected `user/message` events only from entered batches inside a turn. Reload closes an interrupted tail with a synthetic turn end. After close, only `agent/error` reports failures. Each turn has one [TurnEndReason](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap).
+Turn and step events are turn-enclosed; the loop appends `user/message` events only from entered batches inside a turn. Standalone `compact/* { turn: null }` events consume no turn, and their lock-time markers may interleave with inbox splices. Reload synthesizes interrupted turn ends; `session/end-seed` distinguishes stale compaction orphans from live locks. After close, only `agent/error` reports failures. Each turn has one [TurnEndReason](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap).
 
 ### Agent Handles
 
-`ctx.agents` returns `AgentHandle { agent, dispose() }`. Plugins drive agents with `followup()`, `steer()`, and `inject()`; `cancel()` stops work and the awaited disposer tears down. A follow-up `MessageId` follows durable inbox insertion, claiming, and discard notifications, not prompt output or turn ending. `agent/status` and `whenIdle()` describe whole-agent activity; only an interval owner may summarize a run result ([decision](../.agents/notes/implemented/architecture/2026-07-30-followup-enqueue-and-owned-runs.md)).
+`ctx.agents` owns agents and returns `AgentHandle { agent, dispose() }`. Plugins use `send()` or its `followup()`, `steer()`, and `inject()` presets. `cancel()` and `whenIdle()` control lifecycle, while awaited disposal owns teardown. A follow-up `MessageId` follows durable inbox insertion, claiming, and discard notifications, not prompt output or turn ending; only an owner of a whole activity interval may summarize it as a run result ([decision](../.agents/notes/implemented/architecture/2026-07-30-followup-enqueue-and-owned-runs.md)).
 
 ### Agent Scope
 
@@ -137,11 +138,11 @@ Each agent owns scoped `agent.ctx`; shared storage overlays its tool, prompt, an
 
 The session log is authoritative. `deriveMessages()` projects model history; raw `assistant/chunk` events preserve replay and UI fidelity. Fork, resume, transcript rendering, telemetry, and persistence derive from this stream.
 
-**Model-visible ⟺ logged**: messages at `step/start` plus the folded `request/header` reconstruct every request; the header also marks adapter-materialized defaults so the next proposal can discard them and resolve the selected route without losing explicit conversation settings. Package-owned `dsh-agent-loop/invariant` can assert reconstructability through `ctx.invariants` ([reconstructability](../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md)).
+**Model-visible ⟺ logged**: messages entering at `step/start` plus the folded `request/header` reconstruct every request. The header marks adapter defaults so later proposals discard them and re-resolve the route without losing explicit settings. `request/context` separately records registration-bound provider, model, and capacity metadata when the route changes; it does not participate in request reconstruction or header equality. `dsh-agent-loop/invariant` asserts reconstructability through `ctx.invariants` ([reconstructability](../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md)).
 
 Durability is a plugin concern. Backends eagerly drain synchronous `session/event` notifications. `session/flush` precedes requests and top-level tool dispatch, and follows `turn/end` before another turn or idle. `SessionPersistence` stores events and header metadata; JSONL defaults to checksummed Zstandard and SQLite shares the contract ([decision](../.agents/notes/implemented/bug-fix/2026-07-21-semantic-session-checkpoints.md)).
 
-Log-only events may sit between turns. Owners append through `Session`, flushing only for durability. Latest `session/title` wins with provenance without delaying responses; title records are fork boundaries ([decision](../.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md)).
+Between turns, owners append log-only events through `Session`, flushing only for durability. `session/title` needs eager persistence and lifecycle drains; manual compaction flushes its bracket before the operation completes. Title work never delays responses; latest wins with provenance. Title records are inherited fork boundaries ([decision](../.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md)).
 
 ### Model Content
 
diff --git a/docs/architecture.zh.md b/docs/architecture.zh.md
index 147bafb388..5efe2c4ff6 100644
--- a/docs/architecture.zh.md
+++ b/docs/architecture.zh.md
@@ -14,7 +14,7 @@
 |---|---|---|
 | — | [`dsh-scope`](../packages/core/scope/README.md) | 作用域上下文注册项与共享层存储（库） |
 | `ctx.sessions` | `dsh-session` | 内存中的事件溯源会话 |
-| `ctx.systemPrompt` | `dsh-system-prompt` | 有序提示词片段、工具 schema 和变量 |
+| `ctx.systemPrompt` | `dsh-system-prompt` | 有序的提示词片段、工具 schema 和变量 |
 | `ctx.tools` | `dsh-tools` | 工具注册表和[执行流水线](tool-execution-pipeline.md) |
 | `ctx.agents` | `dsh-agent` | 活跃 agent（智能体）、委托创建、`agent/*` 事件、进程内发起方作用域 |
 | `ctx.agentLoop` | `dsh-agent-loop` | 实体 `Agent` 驱动器 |
@@ -89,9 +89,10 @@ forever:
     step loop:
       'step/start'
       append the returned batch as separate 'user/message' events
-      assemble prompt and schemas -> snapshot derived messages
-      agent/request -> prepare adapter defaults/provenance -> request/header -> llm/stream
-      'assistant/chunk' -> 'assistant/message'
+      assemble ordered prompt and tool schemas -> snapshot derived messages
+      agent/request (config only) -> prepare adapter defaults/provenance + context capacity under turn signal -> log request/header (+ request/context on route change) -> llm/stream (frozen, registration-bound)
+      'assistant/chunk'
+      'assistant/message'
       schedule tool calls by ctx.tools.executionMode:
         exclusive -> barrier
         parallel -> rolling pool, <= maxParallelToolCalls; reclassify at start
@@ -101,7 +102,7 @@ forever:
       tools owe another request or next-step inbox is nonempty
         -> claim -> agent/pre-step -> append entered batch -> continue
       otherwise agent/turn-stopping -> re-check the next-step inbox
-    'turn/end' -> agent/settled
+    'turn/end'
   start the next waking queued message, or emit agent/status(idle)
 
 idle inject:
@@ -109,7 +110,7 @@ idle inject:
   leave it pending until followup or steer wakes the driver
 ```
 
-每个步骤都会组装有序提示词片段、工具 schema 和变量；未知引用会使该轮次失败。`dsh-system-prompt` 负责身份和角色设定；循环提供 `provider`、`model` 和 `cwd`（[提示词归属](../.agents/notes/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md)）。
+每个步骤都会组装有序的提示词片段、工具 schema 和变量；未知引用会使该轮次失败。`dsh-system-prompt` 负责身份和角色设定；循环提供 `provider`、`model` 和 `cwd`（[提示词归属](../.agents/notes/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md)）。
 
 `inject()` 将不会唤醒驱动器的上下文排入 `next-step`；空闲驱动器会让它保持待处理，直至 `followup()` 或 `steer()` 唤醒。工具执行后的 `additionalContexts` 使用同一个 inbox。`agent/pre-step` 接收独占的已领取批次，以及即将使用的轮次、步骤和信号。拒绝则不进入步骤；进入则提供在 `step/start` 后追加的完整批次。空的工具续跑仍会经过 waterfall，其最终值一次性结算所有改写。
 
@@ -121,11 +122,11 @@ idle inject:
 
 其他故障使用 `agent/error`；取消和资源释放优先于恢复。在提交请求头之前，轮次信号会取消功能准备；尚未分派的工具会得到合成的 `tool/call`/`ABORTED_BEFORE_DISPATCH` 对。实际生效的 `cancel(cause)` 会在清空队列和中止前报告原因；空闲调用不发事件。持久化层以 `aborted` 区分取消，以 `disposed` 区分会等待完全停稳的拆卸（[决策](../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md)）。
 
-轮次和步骤事件均位于轮次边界内；loop 只会在轮次内从进入步骤的批次追加注入的 `user/message`。重新加载会用合成的轮次结束事件闭合中断尾部。关闭后仅由 `agent/error` 报告故障。每个轮次有一个 [TurnEndReason](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap)。
+轮次和步骤事件均位于轮次边界内；loop 只会在轮次内从进入步骤的批次追加 `user/message`。独立的 `compact/* { turn: null }` 事件不占用轮次，其锁定时刻标记可以与 inbox splice 交错。重新加载会为中断的轮次合成结束事件；`session/end-seed` 区分陈旧的压缩遗留项与活跃锁。关闭后仅由 `agent/error` 报告故障。每个轮次有一个 [TurnEndReason](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap)。
 
 ### Agent 句柄
 
-`ctx.agents` 返回 `AgentHandle { agent, dispose() }`。插件用 `followup()`、`steer()` 和 `inject()` 驱动 agent；`cancel()` 停止工作，需等待完成的 disposer 负责拆卸。后续消息的 `MessageId` 跟踪持久 inbox 的插入、领取与丢弃通知，而不标识提示词输出或轮次结束。`agent/status` 与 `whenIdle()` 描述整个 agent 的活动；只有区间所有方才能将其概括为一次运行结果（[决策](../.agents/notes/implemented/architecture/2026-07-30-followup-enqueue-and-owned-runs.md)）。
+`ctx.agents` 拥有 agent 并返回 `AgentHandle { agent, dispose() }`。插件使用 `send()`，或使用其 `followup()`、`steer()` 和 `inject()` 预设。`cancel()` 与 `whenIdle()` 控制生命周期，需等待完成的资源释放则负责拆卸。后续消息的 `MessageId` 跟踪持久 inbox 的插入、领取与丢弃通知，而不标识提示词输出或轮次结束；只有完整活动区间的所有方才能将其概括为一次运行结果（[决策](../.agents/notes/implemented/architecture/2026-07-30-followup-enqueue-and-owned-runs.md)）。
 
 ### Agent 作用域
 
@@ -137,11 +138,11 @@ idle inject:
 
 会话日志是权威依据。`deriveMessages()` 投影出模型历史；原始 `assistant/chunk` 事件保证回放和 UI 保真。fork、恢复、transcript（文本记录）渲染、遥测和持久化均派生自该事件流。
 
-**模型可见 ⟺ 已记录**：`step/start` 时的消息与折叠后的 `request/header` 可以重建每个请求；该 header 还会标记适配器填入的默认值，使下一次提议可以丢弃这些值并解析所选路由，同时不丢失显式对话设置。该包的 `dsh-agent-loop/invariant` 可通过 `ctx.invariants` 断言可重建性（[可重建性](../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md)）。
+**模型可见 ⟺ 已记录**：在 `step/start` 进入的消息加上折叠后的 `request/header` 可以重建每个请求。该 header 会标记适配器默认值，使后续提议丢弃这些值并重新解析路由，同时不丢失显式设置。`request/context` 会在路由变化时另行记录与注册项绑定的提供方、模型及容量元数据；它不参与请求重建或 header 相等性判断。`dsh-agent-loop/invariant` 通过 `ctx.invariants` 断言可重建性（[可重建性](../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md)）。
 
 持久性由插件负责。后端会尽快排空同步的 `session/event` 通知。`session/flush` 位于请求与顶层工具分发之前，并在 `turn/end` 之后、另一个轮次或空闲状态之前执行。`SessionPersistence` 存储事件和 header 元数据；JSONL 默认采用带校验和的 Zstandard，SQLite 遵循同一契约（[决策](../.agents/notes/implemented/bug-fix/2026-07-21-semantic-session-checkpoints.md)）。
 
-纯日志事件可以位于轮次之间。事件所有方通过 `Session` 追加，仅为持久性而刷写。最新的 `session/title` 携带来源信息并按后写覆盖，且不会延迟响应；标题记录可作为 fork 边界（[决策](../.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md)）。
+在轮次之间，事件所有方通过 `Session` 追加纯日志事件，仅为持久性而刷写。`session/title` 需要尽快持久化与生命周期排空；手动压缩会在操作完成前 flush 其标记对。标题工作绝不延迟响应；最新标题按后写覆盖并携带来源信息。标题记录是可继承的 fork 边界（[决策](../.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md)）。
 
 ### 模型内容
 
diff --git a/docs/cookbook/adding-a-tool.i18n.yaml b/docs/cookbook/adding-a-tool.i18n.yaml
index 29ad71c634..25611512c3 100644
--- a/docs/cookbook/adding-a-tool.i18n.yaml
+++ b/docs/cookbook/adding-a-tool.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write docs/cookbook/adding-a-tool.md
-adding-a-tool.md: a85de0feeeee307ac645f8c2967bb44521d059a8
-adding-a-tool.zh.md: 8e4e6a1128f4f2ad3b4d42c2b88edaf4d8d89af1
+adding-a-tool.md: 80625b5ec64aca8f8cda8a39048ba1c13fe57b2b
+adding-a-tool.zh.md: 7d426ed7f0e5c9147d29ac7f6deb15ec27e36288
diff --git a/docs/cookbook/adding-a-tool.md b/docs/cookbook/adding-a-tool.md
index a85de0feee..80625b5ec6 100644
--- a/docs/cookbook/adding-a-tool.md
+++ b/docs/cookbook/adding-a-tool.md
@@ -78,6 +78,7 @@ Both methods return a **`card`-tagged render intent** — pick the card kind tha
   - `generic` supplies an optional title and content.
   - `terminal` supplies raw output and optional exit metadata; each UI renders its capable or fallback view.
   - `diff` supplies applied hunks, often derived by `output.presentationMeta` and carried in persisted `result.meta` so replay reproduces them. Mutation tools keep a diff result because the completed view replaces the pending card.
+  - `search` supplies a discovery result reconstructed from persisted `result.meta`: grouped-by-file matches (`shape: 'matches'`, grep) or a flat path list (`shape: 'paths'`, glob), plus `truncated`/`total` so a UI never presents a capped result as complete. The view carries no result text (a UI without a search card falls back to the raw result content), and there is no `search` call view — a discovery call's pending state stays a generic card, since matches exist only after `execute`. (tool-fs-search `grep`/`glob`.)
   - `web` supplies a completed web retrieval, discriminated by `kind: 'search' | 'fetch'` (the structured search sources or the fetch summary), derived from `result.meta`; it carries no body copy, so a UI without the `web` capability falls back to the raw result content. (tool-web `web_search`/`web_fetch`.)
 
 Hard rules (they bite if broken):
diff --git a/docs/cookbook/adding-a-tool.zh.md b/docs/cookbook/adding-a-tool.zh.md
index 8e4e6a1128..7d426ed7f0 100644
--- a/docs/cookbook/adding-a-tool.zh.md
+++ b/docs/cookbook/adding-a-tool.zh.md
@@ -78,6 +78,7 @@ producer 提供同步的 `cancel`、在资源清理后 settle 且不 reject 的
   - `generic` 提供可选的标题和内容。
   - `terminal` 提供原始输出和可选的退出元数据；各 UI 根据自身能力渲染对应视图或回退视图。
   - `diff` 提供已应用的 hunk，通常由 `output.presentationMeta` 派生并通过持久化的 `result.meta` 携带，使回放能重现它们。变更类工具保留 diff 结果，因为完成后的视图会替换 pending 卡片。
+  - `search` 提供从持久化 `result.meta` 重建的发现型结果：按文件分组的匹配（`shape: 'matches'`，grep）或扁平路径列表（`shape: 'paths'`，glob），外加 `truncated`/`total` 使 UI 永不把被截断的结果当作完整结果呈现。该视图不携带结果文本（无 search 卡片的 UI 回退到原始结果内容），也没有 `search` 调用视图——发现型调用的 pending 状态保持为 generic 卡片，因为匹配只在 `execute` 之后才存在。（tool-fs-search 的 `grep`/`glob`。）
   - `web` 提供已完成的 web 检索，以 `kind: 'search' | 'fetch'` 区分（结构化的搜索来源或抓取摘要），由 `result.meta` 派生；它不携带正文副本，因此不具备 `web` 能力的 UI 回退到原始结果内容。（tool-web `web_search`／`web_fetch`。）
 
 硬性规则（违反会出问题）：
diff --git a/docs/cordis-paper.pdf b/docs/cordis-paper.pdf
new file mode 100644
index 0000000000..9d722738d7
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+++ b/docs/cordis-paper.pdf
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+<<
+  /Size 5278
+  /Root 5277 0 R
+  /Info 5275 0 R
+  /ID [(HHwsV4w2OKoHWq5hDV/GeA==) (8/8Hb0n3/ti5Ewx/bKL9Ww==)]
+>>
+startxref
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+%%EOF
\ No newline at end of file
diff --git a/docs/core-data-structures/approval.i18n.yaml b/docs/core-data-structures/approval.i18n.yaml
index 7bcc6e692d..4d9cc05ac0 100644
--- a/docs/core-data-structures/approval.i18n.yaml
+++ b/docs/core-data-structures/approval.i18n.yaml
@@ -1,6 +1,6 @@
 # Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
-#   pnpm run verify-translation-pairing --write
-approval.md: 0de13eb1504b5ecc4ac0eafefefa2c87562c89b4
-approval.zh.md: b7ba10449fccfdb0dd5b52374e14038e3ec76ff8
+#   pnpm run verify-translation-pairing --write docs/core-data-structures/approval.md
+approval.md: f1889b25e2bbbcb157b0bced070b1f157a867504
+approval.zh.md: c460ec2cb847a9e9a3e772987830b58e93fc3715
diff --git a/docs/core-data-structures/approval.md b/docs/core-data-structures/approval.md
index 0de13eb150..f1889b25e2 100644
--- a/docs/core-data-structures/approval.md
+++ b/docs/core-data-structures/approval.md
@@ -42,13 +42,12 @@ type ApprovalOutcome = 'allowed-once' | 'rejected' | 'cancelled' | 'unavailable'
  *   (exactly today's behavior).
  * - `'never'` — never prompt anyone: every ask resolves `'rejected'`
  *   deterministically. The strict headless stance (CI, unattended runs) and
- *   the only policy value stated in the system prompt — unlike `'ask'`, its
- *   outcome is knowable without asking, so stating it cannot overclaim.
+ *   the policy whose outcome is knowable without asking.
  */
 type ApprovalPolicy = 'ask' | 'never'
 ```
 
-The prompt section states the deterministic `never` behavior and records either policy with a source-owned marker. The pre-step narrator reads that marker from the logged request header after restart; it does not infer state from deployment persona prose.
+Both policies contribute their complete current meaning to the cache-safe runtime-context snapshot. The sourced `user/message` is the durable model-visible input; changing approval state appends a new full snapshot after retained history without rewriting the request header's system prompt.
 
 ## Approval request
 
@@ -87,4 +86,4 @@ interface ApprovalRequest {
 
 `ctx.approval.request(req)` requires the requesting session to be inside an open turn. It appends `approval/asked`, obtains one outcome, appends the matching `approval/decided`, and resolves with that outcome. The `never` policy is enforced inside the service before waterfall dispatch, so even an answerer registered later with `prepend` cannot bypass it. Answerers return an outcome when they own the request or call `next()` to delegate; the first answer occupies the single decision slot.
 
-The audit events are log-only and do not enter the model transcript. Model-visible behavior is the caller's derived tool result, while the request header records the prompt policy that the model actually saw. Service disposal removes its prompt section and pre-step narrator together; answerer listeners are independently effect-bound to their owning plugins.
+The audit events are log-only and do not enter the model transcript. Model-visible behavior is the caller's derived tool result plus the current runtime-context snapshot. Service disposal removes its context contribution; answerer listeners are independently effect-bound to their owning plugins.
diff --git a/docs/core-data-structures/approval.zh.md b/docs/core-data-structures/approval.zh.md
index b7ba10449f..c460ec2cb8 100644
--- a/docs/core-data-structures/approval.zh.md
+++ b/docs/core-data-structures/approval.zh.md
@@ -42,13 +42,12 @@ type ApprovalOutcome = 'allowed-once' | 'rejected' | 'cancelled' | 'unavailable'
  *   (exactly today's behavior).
  * - `'never'` — never prompt anyone: every ask resolves `'rejected'`
  *   deterministically. The strict headless stance (CI, unattended runs) and
- *   the only policy value stated in the system prompt — unlike `'ask'`, its
- *   outcome is knowable without asking, so stating it cannot overclaim.
+ *   the policy whose outcome is knowable without asking.
  */
 type ApprovalPolicy = 'ask' | 'never'
 ```
 
-提示词段落会声明 `never` 的确定性行为，并以服务自有的标记记录当前策略。重启后，步骤前叙述器从已记录的请求头中读取该标记，而非从部署 persona 行文中推断状态。
+两种策略都会将各自完整的当前含义贡献给缓存安全的运行时上下文快照。带来源的 `user/message` 是持久化且模型可见的输入；批准状态变化时，会在保留的历史后追加一份新的完整快照，而不改写请求头中的系统提示词。
 
 ## 审批请求
 
@@ -87,4 +86,4 @@ interface ApprovalRequest {
 
 `ctx.approval.request(req)` 要求发起请求的会话处于一个打开的轮次内。它追加 `approval/asked`，获取一个结果，追加对应的 `approval/decided`，然后以该结果 resolve。`never` 策略在服务内部、waterfall 分发之前强制执行，因此即使后来以 `prepend` 注册的应答者也无法绕过它。应答者在拥有该请求时返回结果，否则调用 `next()` 委托；第一个应答占据唯一的决策槽位。
 
-审计事件仅写入日志，不进入模型 transcript（文本记录）。模型可见的行为是调用方派生的工具结果，而请求头记录的是模型实际看到的提示词策略。服务 dispose（资源释放）时会一并移除其提示词段落和步骤前叙述器；应答者监听器独立地通过 effect 绑定到其所属插件。
+审计事件仅写入日志，不进入模型 transcript（文本记录）。模型可见的行为是调用方派生的工具结果与当前运行时上下文快照。服务 dispose（资源释放）时会移除其上下文贡献；应答者监听器独立地通过 effect 绑定到其所属插件。
diff --git a/docs/core-data-structures/compaction.i18n.yaml b/docs/core-data-structures/compaction.i18n.yaml
index fe6ab858cf..3c386cf664 100644
--- a/docs/core-data-structures/compaction.i18n.yaml
+++ b/docs/core-data-structures/compaction.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write docs/core-data-structures/compaction.md
-compaction.md: 9e5b9f0da8be68d2205f022e7d9e59ebb7c1f6dc
-compaction.zh.md: c5c70f2cf71b53e2caddca78986b371cf877ae64
+compaction.md: 0ccd38b2f70bce422d064acfd33cbbb93c088af2
+compaction.zh.md: 3fc21944e836372a621b9934f237e1f05d5f18de
diff --git a/docs/core-data-structures/compaction.md b/docs/core-data-structures/compaction.md
index 9e5b9f0da8..0ccd38b2f7 100644
--- a/docs/core-data-structures/compaction.md
+++ b/docs/core-data-structures/compaction.md
@@ -2,7 +2,7 @@
 
 English | [中文](compaction.zh.md)
 
-The compaction seam — a [capability seam](../../.agents/notes/implemented/architecture/2026-06-13-capability-seams.md) split like bash: interface ([dsh-compact](../../packages/compact/compact), `ctx.compact`), implementation (a backend such as [dsh-compact-basic](../../packages/compact/compact-basic)), and consumer (a `/compact` tool, deferred). Compaction is **one optional capability**, not part of the agent-loop spine — so its vocabulary lives here, not in [core.md](core.md). A tokenizer- or template-based backend is a sibling package implementing the same interface. Unlike bash, the interface necessarily depends on `dsh-session` and `dsh-llm`: its verbs act on an agent-owned `Session`, and its durable summary event uses the `ContentBlock` vocabulary (see the [compaction capability-seam Agent Note](../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md)).
+The compaction seam — a [capability seam](../../.agents/notes/implemented/architecture/2026-06-13-capability-seams.md) split like bash: interface ([dsh-compact](../../packages/compact/compact), `ctx.compact`), implementation (a backend such as [dsh-compact-basic](../../packages/compact/compact-basic)), and human consumer ([dsh-command-compact](../../packages/compact/command-compact)). Compaction is **one optional capability**, not part of the agent-loop spine — so its vocabulary lives here, not in [core.md](core.md). A tokenizer- or template-based backend is a sibling package implementing the same interface. Unlike bash, the interface necessarily depends on `dsh-session` and `dsh-llm`: its verbs act on an agent-owned `Session`, and its durable summary event uses the `ContentBlock` vocabulary (see the [compaction capability-seam Agent Note](../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md)).
 
 Source: [`packages/compact/compact/src/types.ts`](../../packages/compact/compact/src/types.ts)
 
@@ -12,12 +12,14 @@ Compaction extends [`SessionEventMap`](session.md) with three event types via de
 
 | Event | Payload | Role |
 |---|---|---|
-| `compact/start` | `{ turn }` | acquires the log-recorded lock |
+| `compact/start` | `{ turn }` | acquires the log-recorded lock; a number identifies the open automatic turn, while `null` identifies a standalone manual attempt |
 | `compact/summary` | `{ summary, rawOutput?, shadowedRange, shadowedSeqs, shadowedTokenCount, provider, model, maxTokens?, usage? }` | provenance: the safe summary projection, optional complete provider output and usage, the shadowed surface-boundary pair (`start`/`end` seqs — a position span, not a numeric interval), the shadowed seqs in surface order, the estimated token count, and the summarize call's envelope (`provider`, `model`, plus its generation cap when one applied) — logged so the one-shot request is reconstructable from log + code (the reconstructability Agent Note) |
-| `compact/end` | `{ turn, error? }` | releases the lock (`error` set when summarization threw) |
+| `compact/end` | `{ turn, error? }` | releases the lock with the same numeric-or-null owner (`error` records an unsuccessful attempt) |
 
 The lock brackets the **whole** operation: `compact/start` is appended first, then summarization, the `compact/summary` provenance record, and the `user/message` replacement all land, and only then `compact/end`. Releasing the lock last turns a crash mid-operation into a detectable orphaned lock (a `compact/start` with no matching `compact/end`) rather than a `compact/end` that falsely claims compaction finished.
 
+The markers are lock time points, not an exclusive container. An unrelated idle injection can appear between a standalone manual start and end while summarization is pending. The manual path revalidates only its selected positional span, so that injected context survives after the replacement checkpoint. A live unmatched start blocks every entry point; an unmatched start before a newer `session/end-seed` is stale evidence from a prior lifecycle and is ignored.
+
 These variants are merged inside a `declare module '@deepseek-ai/dsh-session'` block, so — unlike the top-level types on the other sub-pages — they are not pasted as a drift-checked ` ```ts type-equiv ` block (the `verify-type-equiv` extractor matches only top-level declarations by name). The payload table above is the catalog entry; follow the source link for the authoritative shapes.
 
 ## `CompactionResult`
@@ -60,7 +62,16 @@ Automatic callers state why policy is running; implementations may treat confirm
 type CompactionTrigger = 'pressure' | 'context-overflow'
 ```
 
-`CompactService` exposes `compactIfNeeded(agent, trigger, signal)` for automatic `pressure` or `context-overflow` policy, returning `null` when no safe work exists, and `compactRegion(...)` for an explicit inclusive surface range. Every backend marks its replacement `user/message` with the package-exported `COMPACT_CHECKPOINT_SOURCE`; consumers call `isCompactCheckpointSource()` instead of coupling checkpoint recognition to one backend. Implementations must forward the supplied signal to summarization. The seam owns no pricing API: the singleton [`ctx.tokenMeter`](token-meter.md) directly owns estimation and replay, while `dsh-compact-basic` owns retention, event sequencing, routed summarization calls, and their configuration.
+`CompactService` exposes `compactIfNeeded(agent, trigger, signal)` for automatic `pressure` or `context-overflow` policy, `compactNow(agent, signal)` for one useful idle-session reduction even below pressure, and `compactRegion(...)` for an explicit inclusive surface range. `compactNow()` synchronously reserves the agent's next-turn admission, returns `null` without writing when no useful range exists, records a standalone `turn: null` bracket before summarization, flushes a closed attempt, and then releases admission so ordinary queued prompts derive from the new surface. Every backend marks its replacement `user/message` with `COMPACT_CHECKPOINT_SOURCE`; client and wire consumers import that value and `isCompactCheckpointSource()` from the cordis-free `@deepseek-ai/dsh-compact/checkpoint` subpath, while the package root re-exports both for host consumers. The predicate keeps checkpoint recognition independent of any one backend. Implementations must forward the supplied signal to summarization. The seam owns no pricing API: the singleton [`ctx.tokenMeter`](token-meter.md) directly owns estimation and replay, while `dsh-compact-basic` owns retention, event sequencing, routed summarization calls, and their configuration.
+
+Expected manual failures use `ManualCompactionErrorCode`:
+
+```ts type-equiv
+/** Expected failure classes for an explicit idle-session compaction request. */
+type ManualCompactionErrorCode = 'busy' | 'changed' | 'summary' | 'commit' | 'persistence'
+```
+
+`changed` and `summary` leave the conversation surface unchanged but still close and persist the failed attempt in the log. `commit` may follow partial mutation; `persistence` means the in-memory bracket closed but its flush failed. Cancellation remains separate and throws the exact abort reason after required cleanup.
 
 Pressure compaction runs at serial `agent/pre-step` before request derivation. Once pressure or canonical overflow qualifies, compact-basic invokes optional [`ctx.toolResultPrune`](../../packages/compact/compact-tool-result-prune/README.md) before range selection, remeasures through `ctx.tokenMeter`, and can advance the surface without a summary. Failed-request recovery runs through `agent/request-error` after the failed step closes and returns a retry action only when the surface replacement generation advances, even if later summary work throws after pruning; cancellation still wins. Region boundaries preserve tool-call/result pairing but not whole turns, allowing early closed steps of one oversized turn to compact. `dsh-compact-basic` owns thresholds, retained-tail policy, overflow caps, and failure handling.
 
diff --git a/docs/core-data-structures/compaction.zh.md b/docs/core-data-structures/compaction.zh.md
index c5c70f2cf7..3fc21944e8 100644
--- a/docs/core-data-structures/compaction.zh.md
+++ b/docs/core-data-structures/compaction.zh.md
@@ -2,7 +2,7 @@
 
 [English](compaction.md) | 中文
 
-压缩 seam 是一个[能力 seam](../../.agents/notes/implemented/architecture/2026-06-13-capability-seams.md)，与 bash 一样分为接口（[dsh-compact](../../packages/compact/compact)，`ctx.compact`）、实现（例如 [dsh-compact-basic](../../packages/compact/compact-basic) 后端）和消费方（延期实现的 `/compact` 工具）。压缩是**一项可选能力**，不属于 agent loop（智能体循环）主干，因此其词汇定义在此而非 [core.md](core.md) 中。基于 tokenizer 或模板的后端是实现同一接口的兄弟包（package）。与 bash 不同，该接口必然依赖 `dsh-session` 和 `dsh-llm`：其动词作用于 agent 所有的 `Session`，而其持久摘要事件使用 `ContentBlock` 词汇（见[压缩能力 seam Agent Note（agent 决策记录）](../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md)）。
+压缩 seam 是一个[能力 seam](../../.agents/notes/implemented/architecture/2026-06-13-capability-seams.md)，与 bash 一样分为接口（[dsh-compact](../../packages/compact/compact)，`ctx.compact`）、实现（例如 [dsh-compact-basic](../../packages/compact/compact-basic) 后端）和面向用户的消费方（[dsh-command-compact](../../packages/compact/command-compact)）。压缩是**一项可选能力**，不属于 agent loop（智能体循环）主干，因此其词汇定义在此而非 [core.md](core.md) 中。基于 tokenizer 或模板的后端是实现同一接口的兄弟包（package）。与 bash 不同，该接口必然依赖 `dsh-session` 和 `dsh-llm`：其动词作用于 agent 所有的 `Session`，而其持久摘要事件使用 `ContentBlock` 词汇（见[压缩能力 seam Agent Note（agent 决策记录）](../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md)）。
 
 源码：[`packages/compact/compact/src/types.ts`](../../packages/compact/compact/src/types.ts)
 
@@ -12,12 +12,14 @@
 
 | 事件 | 载荷 | 作用 |
 |---|---|---|
-| `compact/start` | `{ turn }` | 获取日志记录的锁 |
+| `compact/start` | `{ turn }` | 获取日志记录的锁；数字标识打开的自动轮次，`null` 标识独立手动尝试 |
 | `compact/summary` | `{ summary, rawOutput?, shadowedRange, shadowedSeqs, shadowedTokenCount, provider, model, maxTokens?, usage? }` | provenance：安全摘要投影、可选的完整 provider 输出与 usage、被遮蔽的 surface 边界对（`start`/`end` seq——位置跨度，而非数值区间）、按 surface 顺序排列的被遮蔽 seq、估算 token 数，以及摘要调用的 envelope（`provider`、`model`，若有生成上限则还包括该上限）——写入日志后，该一次性请求可由日志 + 代码重建（见可重建性 Agent Note） |
-| `compact/end` | `{ turn, error? }` | 释放锁（摘要调用抛出异常时设置 `error`） |
+| `compact/end` | `{ turn, error? }` | 使用相同的数字或 `null` 归属值释放锁（`error` 记录失败尝试） |
 
 锁括住**整个**操作：先追加 `compact/start`，然后执行摘要生成、写入 `compact/summary` 来源记录与 `user/message` 替换，最后才追加 `compact/end`。最后释放锁意味着操作中途崩溃会表现为可检测的遗留锁（有 `compact/start` 而无匹配的 `compact/end`），而非一个虚假声称压缩已完成的 `compact/end`。
 
+这些标记表示锁的时间点，而不是排他的容器。摘要等待期间，不相关的空闲注入可以出现在独立的手动 start 与 end 之间。手动路径只重新验证所选位置 span，因此替换检查点之后仍保留该注入上下文。活动的未匹配 start 会阻塞所有入口点；较新 `session/end-seed` 之前的未匹配 start 是先前生命周期留下的陈旧证据，会被忽略。
+
 这些变体在 `declare module '@deepseek-ai/dsh-session'` 块内合并，因此——与其他子页面上的顶层类型不同——它们不以漂移检查的 ` ```ts type-equiv ` 块粘贴（`verify-type-equiv` 提取器只按名称匹配顶层声明）。上方的载荷表即为目录条目；权威形状请循源码链接查看。
 
 ## `CompactionResult`
@@ -60,7 +62,16 @@ interface CompactionResult {
 type CompactionTrigger = 'pressure' | 'context-overflow'
 ```
 
-`CompactService` 暴露 `compactIfNeeded(agent, trigger, signal)` 以执行自动 `pressure` 或 `context-overflow` 策略；没有可安全执行的工作时返回 `null`。它还针对显式、两端均包含的 surface 范围暴露 `compactRegion(...)`。每个后端都使用包导出的 `COMPACT_CHECKPOINT_SOURCE` 标记其替换用的 `user/message`；消费方调用 `isCompactCheckpointSource()`，而不是把检查点识别逻辑耦合到某一个后端。实现必须把传入的 signal 转发给摘要流程。该 seam 不拥有计价 API：单例 [`ctx.tokenMeter`](token-meter.md) 直接拥有估算与回放，而 `dsh-compact-basic` 拥有保留策略、事件排序、按路由执行的摘要调用及其配置。
+`CompactService` 暴露 `compactIfNeeded(agent, trigger, signal)` 以执行自动 `pressure` 或 `context-overflow` 策略，暴露 `compactNow(agent, signal)` 以便即使未达到压力也对空闲会话进行一次有效缩减，还针对显式、两端均包含的 surface 范围暴露 `compactRegion(...)`。`compactNow()` 会同步预留 agent 的下一轮次接纳；没有有效范围时返回 `null` 且不写入；在摘要前记录独立的 `turn: null` 标记对；flush 已闭合尝试；随后释放接纳预留，使普通排队提示词从新表层派生。每个后端都使用 `COMPACT_CHECKPOINT_SOURCE` 标记其替换用的 `user/message`；client 与 wire 消费方从无 cordis 的 `@deepseek-ai/dsh-compact/checkpoint` 子路径导入该值和 `isCompactCheckpointSource()`，包根则为 host 消费方重新导出两者。该判定函数使检查点识别不依赖任一特定后端。实现必须把传入的 signal 转发给摘要流程。该 seam 不拥有计价 API：单例 [`ctx.tokenMeter`](token-meter.md) 直接拥有估算与回放，而 `dsh-compact-basic` 拥有保留策略、事件排序、按路由执行的摘要调用及其配置。
+
+预期的手动失败使用 `ManualCompactionErrorCode`：
+
+```ts type-equiv
+/** Expected failure classes for an explicit idle-session compaction request. */
+type ManualCompactionErrorCode = 'busy' | 'changed' | 'summary' | 'commit' | 'persistence'
+```
+
+`changed` 和 `summary` 保持会话表层不变，但仍会闭合失败尝试并将其持久化到日志。`commit` 可能发生在部分变更之后；`persistence` 表示内存中的标记对已闭合，但 flush 失败。取消独立于这些失败，并在完成必要清理后抛出原始 abort 原因。
 
 压力压缩在串行 `agent/pre-step` 中运行，先于请求推导。一旦压力或规范化溢出满足条件，compact-basic 会在选择范围前调用可选的 [`ctx.toolResultPrune`](../../packages/compact/compact-tool-result-prune/README.md)，再通过 `ctx.tokenMeter` 重新测量，并且可以在不生成摘要的情况下推进 surface。失败请求的恢复在失败的步骤关闭后通过 `agent/request-error` 运行；仅当 surface replacement generation 前进时才返回重试动作，即便后续摘要工作在剪枝后抛异常亦如此；取消仍然优先。区域边界保持工具调用/结果配对，但不保持整个轮次，因此一个过大轮次中较早关闭的步骤可以被压缩。`dsh-compact-basic` 拥有阈值、保留尾部策略、溢出上限与失败处理。
 
diff --git a/docs/core-data-structures/llm-streaming.i18n.yaml b/docs/core-data-structures/llm-streaming.i18n.yaml
index 90207faa70..d970140853 100644
--- a/docs/core-data-structures/llm-streaming.i18n.yaml
+++ b/docs/core-data-structures/llm-streaming.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write docs/core-data-structures/llm-streaming.md
-llm-streaming.md: 4b6bfa73f8a936d99d49ed46b78ec312a4199c5b
-llm-streaming.zh.md: 7571cb871df45eb4022a0d80c024d99afe3c2842
+llm-streaming.md: dacb250e1ce8588f228c0de2a6d3a1594ff5370d
+llm-streaming.zh.md: 0937719be66b0336a16b06ff00a2bbfcd6d6e22d
diff --git a/docs/core-data-structures/llm-streaming.md b/docs/core-data-structures/llm-streaming.md
index 4b6bfa73f8..dacb250e1c 100644
--- a/docs/core-data-structures/llm-streaming.md
+++ b/docs/core-data-structures/llm-streaming.md
@@ -164,7 +164,7 @@ declare class BlockAssembler {
 
 ## The seam
 
-`LlmAdapter` is the provider seam: subclass, implement `stream()`, and register one adapter instance with `ctx.llm.registerAdapter(providers, adapter)`. `GenerateOptions.provider` selects the registered adapter; `GenerateOptions.model` is passed to that adapter and need not be registered at lifecycle start. Duplicate provider routes fail atomically. Optional `providerRetryPolicy()` is captured per route with normal defaults, while `providerInfo()` and asynchronous `listModels()` feed `LlmService.listProviders()` / `listModels()` with detached selector metadata. That catalog is advisory rather than a request whitelist: the adapter remains authoritative and may accept unlisted model ids. One asynchronous `resolveModel()` query returns exact model identity plus optional correctness-sensitive context capacity, an adapter-configured `defaultMaxTokens`, and ordered model-owned reasoning ids with an optional deployment default; absent fields mean unavailable metadata or provider-owned behavior, not invalid catalog membership. The resolver receives optional cancellation and must settle promptly after abort. `LlmService.resolveModelInfo()` validates and detaches the aggregate. At the final adapter boundary, `resolveCallConfig()` materializes the output default only when `maxTokens` is absent and validates and materializes reasoning, so direct calls cannot bypass either configured behavior; direct dispatch captures one registration before awaiting that resolution. The agent loop instead uses `prepareCall()` to keep the same registration across model resolution, durable header logging, and dispatch. Adapter lookup happens at the terminal continuation of the `llm/stream` waterfall, so a listener may short-circuit the call or route a mutable one-shot request before lookup. The `block-start` / `block-end` `index` correlation and the assembler together mean an adapter only has to emit well-formed chunks — block reassembly is not each adapter's problem. The consumer surface (`ctx.llm.stream()`) and the `llm/stream` waterfall are described in [architecture.md § Content blocks and streaming](../architecture.md#content-blocks-and-streaming-dsh-llm).
+`LlmAdapter` is the provider seam: subclass, implement `stream()`, and register one adapter instance with `ctx.llm.registerAdapter(providers, adapter)`. `GenerateOptions.provider` selects the registered adapter; `GenerateOptions.model` is passed to that adapter and need not be registered at lifecycle start. Duplicate provider routes fail atomically. Optional `providerRetryPolicy()` is captured per route with normal defaults, while `providerInfo()` and asynchronous `listModels()` feed `LlmService.listProviders()` / `listModels()` with detached selector metadata. That catalog is advisory rather than a request whitelist: the adapter remains authoritative and may accept unlisted model ids. One asynchronous `resolveModel()` query returns exact model identity plus optional correctness-sensitive context capacity, an adapter-configured `defaultMaxTokens`, and ordered model-owned reasoning ids with an optional deployment default; absent fields mean unavailable metadata or provider-owned behavior, not invalid catalog membership. The resolver receives optional cancellation and must settle promptly after abort. `LlmService.resolveModelInfo()` validates and detaches the aggregate. At the final adapter boundary, `resolveCallConfig()` materializes the output default only when `maxTokens` is absent and validates and materializes reasoning, so direct calls cannot bypass either configured behavior; direct dispatch captures one registration before awaiting that resolution. The agent loop instead uses `prepareCall()` to keep the same registration across model resolution, durable header logging, and dispatch, retain detached context metadata from that exact lookup, and report which config fields the adapter defaulted. Adapter lookup happens at the terminal continuation of the `llm/stream` waterfall, so a listener may short-circuit the call or route a mutable one-shot request before lookup. AgentLoop observes a request attempt once the outer waterfall returns a stream handle; that limited boundary does not prove a lazy terminal adapter was constructed or began provider I/O. The `block-start` / `block-end` `index` correlation and the assembler together mean an adapter only has to emit well-formed chunks — block reassembly is not each adapter's problem. The consumer surface (`ctx.llm.stream()`) and the `llm/stream` waterfall are described in [architecture.md § Content blocks and streaming](../architecture.md#content-blocks-and-streaming-dsh-llm).
 
 ```ts type-equiv
 /** One model call whose config and adapter registration were resolved together. */
@@ -173,6 +173,8 @@ interface PreparedLlmCall {
   readonly config: LlmCallConfig
   /** Immutable retry policy captured with the adapter registration. */
   readonly retryPolicy: ResolvedRetryPolicy
+  /** Detached context metadata resolved with the registration-bound call. */
+  readonly context?: LlmModelContext
   /** Config fields materialized by the captured adapter rather than proposed by the caller. */
   readonly adapterDefaults: LlmCallConfigAdapterDefaults
   /**
diff --git a/docs/core-data-structures/llm-streaming.zh.md b/docs/core-data-structures/llm-streaming.zh.md
index 7571cb871d..0937719be6 100644
--- a/docs/core-data-structures/llm-streaming.zh.md
+++ b/docs/core-data-structures/llm-streaming.zh.md
@@ -164,7 +164,7 @@ declare class BlockAssembler {
 
 ## seam
 
-`LlmAdapter` 是提供方 seam：创建子类、实现 `stream()`，再用 `ctx.llm.registerAdapter(providers, adapter)` 注册一个适配器实例。`GenerateOptions.provider` 选择已注册适配器；`GenerateOptions.model` 会传给该适配器，无需在生命周期启动时注册。重复提供方路由会原子失败。可选的 `providerRetryPolicy()` 会按路由捕获并填入 normal 默认值，`providerInfo()` 与异步 `listModels()` 方法则为 `LlmService.listProviders()` / `listModels()` 提供分离的 selector 元数据。该目录仅供参考，不是请求白名单：适配器仍是权威，并可接受未列出的模型 id。单次异步 `resolveModel()` 查询返回确切模型身份，以及可选的对正确性敏感的上下文容量、适配器配置的 `defaultMaxTokens`、由模型持有的有序推理强度 ID 和部署默认值；字段缺失表示元数据不可用或保留提供方持有的行为，而不表示目录成员关系无效。解析器会接收可选的取消信号，并且必须在信号中止后迅速完成结算。`LlmService.resolveModelInfo()` 会校验聚合结果并返回分离值。在最终适配器边界，`resolveCallConfig()` 仅在 `maxTokens` 缺失时填入输出默认值，并校验和填入推理强度，因此直接调用也无法绕过任何一项已配置行为；直接分派会在等待解析前捕获一项适配器注册。agent loop 则使用 `prepareCall()`，使模型解析、请求头持久记录和分派全程使用同一项注册。适配器查找发生在 `llm/stream` waterfall（瀑布式事件）的终端 continuation，因此 listener 可以在查找前短路调用，或路由一个可变的一次性请求。`block-start` / `block-end` 的 `index` 关联与 assembler 共同意味着适配器只需 emit 格式正确的分片——块重组不是每个适配器各自的问题。消费方 surface（`ctx.llm.stream()`）与 `llm/stream` waterfall 见 [architecture.md § 内容块与流式传输](../architecture.md#content-blocks-and-streaming-dsh-llm)。
+`LlmAdapter` 是提供方 seam：创建子类、实现 `stream()`，再用 `ctx.llm.registerAdapter(providers, adapter)` 注册一个适配器实例。`GenerateOptions.provider` 选择已注册适配器；`GenerateOptions.model` 会传给该适配器，无需在生命周期启动时注册。重复提供方路由会原子失败。可选的 `providerRetryPolicy()` 会按路由捕获并填入 normal 默认值，`providerInfo()` 与异步 `listModels()` 方法则为 `LlmService.listProviders()` / `listModels()` 提供分离的 selector 元数据。该目录仅供参考，不是请求白名单：适配器仍是权威，并可接受未列出的模型 id。单次异步 `resolveModel()` 查询返回确切模型身份，以及可选的对正确性敏感的上下文容量、适配器配置的 `defaultMaxTokens`、由模型持有的有序推理强度 ID 和部署默认值；字段缺失表示元数据不可用或保留提供方持有的行为，而不表示目录成员关系无效。解析器会接收可选的取消信号，并且必须在信号中止后迅速完成结算。`LlmService.resolveModelInfo()` 会校验聚合结果并返回分离值。在最终适配器边界，`resolveCallConfig()` 仅在 `maxTokens` 缺失时填入输出默认值，并校验和填入推理强度，因此直接调用也无法绕过任何一项已配置行为；直接分派会在等待解析前捕获一项适配器注册。agent loop 则使用 `prepareCall()`，使模型解析、请求头持久记录和分派全程使用同一项注册，保留来自同一次查询的分离上下文元数据，并报告适配器填入的配置字段。适配器查找发生在 `llm/stream` waterfall（瀑布式事件）的终端 continuation，因此 listener 可以在查找前短路调用，或路由一个可变的一次性请求。AgentLoop 在外层 waterfall 返回流句柄时观察到一次请求尝试；这个有限边界不能证明惰性终端适配器已构造完成或开始提供方 I/O。`block-start` / `block-end` 的 `index` 关联与 assembler 共同意味着适配器只需 emit 格式正确的分片——块重组不是每个适配器各自的问题。消费方 surface（`ctx.llm.stream()`）与 `llm/stream` waterfall 见 [architecture.md § 内容块与流式传输](../architecture.md#content-blocks-and-streaming-dsh-llm)。
 
 ```ts type-equiv
 /** One model call whose config and adapter registration were resolved together. */
@@ -173,6 +173,8 @@ interface PreparedLlmCall {
   readonly config: LlmCallConfig
   /** Immutable retry policy captured with the adapter registration. */
   readonly retryPolicy: ResolvedRetryPolicy
+  /** Detached context metadata resolved with the registration-bound call. */
+  readonly context?: LlmModelContext
   /** Config fields materialized by the captured adapter rather than proposed by the caller. */
   readonly adapterDefaults: LlmCallConfigAdapterDefaults
   /**
diff --git a/docs/core-data-structures/session.i18n.yaml b/docs/core-data-structures/session.i18n.yaml
index 8f5c8fe397..f1510089d2 100644
--- a/docs/core-data-structures/session.i18n.yaml
+++ b/docs/core-data-structures/session.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write docs/core-data-structures/session.md
-session.md: 829a52c5ec4017b47f8fa6c7d45f20b0ff9630d4
-session.zh.md: 6a70c1548fdd3b2b13bbcd1b102fadecdb34bf11
+session.md: 0f388f5d846980b40f85815793f26fa1c32d7016
+session.zh.md: 716ea383acce7aaddd4bcc604d868c07cdc38266
diff --git a/docs/core-data-structures/session.md b/docs/core-data-structures/session.md
index 829a52c5ec..0f388f5d84 100644
--- a/docs/core-data-structures/session.md
+++ b/docs/core-data-structures/session.md
@@ -92,10 +92,22 @@ interface SessionEventMap {
    * It is log-only; the latest snapshot reconstructs the request header.
    */
   'request/header': { header: EpochHeader; reason: RequestHeaderReason }
+  /**
+   * Registration-bound context metadata for the route a request resolved to,
+   * appended inside its step beside `request/header` and only when the route
+   * or capacity differs from the last record. It is log-only and deliberately
+   * NOT part of {@link EpochHeader}: capacity is adapter metadata about a
+   * route, not an input the request was built from, so it must not participate
+   * in request reconstruction or header equality. `contextWindow` is absent
+   * when the route's adapter advertises no capacity.
+   */
+  'request/context': RequestContext
   /**
    * Marks the end of a constructor seed. Events before it have smaller seq
    * values and came from the seed (resume, fork, or replay); this lifecycle
-   * produced none of them. This log-only event is the durable projection of
+   * produced none of them. An explicitly supplied empty seed puts the marker
+   * at seq 0, distinguishing an empty resumed session from a fresh session.
+   * This log-only event is the durable projection of
    * {@link Session.firstLiveSeq}. Its payload is empty — position and `time`
    * carry the meaning.
    *
@@ -167,6 +179,26 @@ interface EpochHeader {
 
 Canonical form represents an empty system prompt or tool list as an absent field, matching how requests are built. Legacy v0 logs containing the removed `request/header-delta` event or its full-snapshot `fallback` reason are rejected at seed, append, and persistence-load boundaries rather than replayed incompletely.
 
+### The route capacity event: `request/context`
+
+The context metadata of the route a request resolved to is separate logged state, appended beside `request/header` inside the same step and only when the provider, model, or capacity differs from the previous record. It stays outside `EpochHeader` because that type is the reconstruction contract compared field-wise by `headerEquals`: capacity describes a route, not a request input, so folding it in would let a capacity change register as a request-envelope `change` and would pull adapter metadata into the loop's reconstruction invariant. Like `request/header`, it is not a `SurfaceEventType` and produces no LLM message. `session.requestContext()` folds the latest record incrementally. A route whose adapter advertises no capacity is recorded with `contextWindow` absent, so the new record clears an older route's capacity.
+
+```ts type-equiv
+/**
+ * Registration-bound context metadata of one resolved model route. Adapter
+ * metadata about a route rather than a request input, which is why it lives
+ * outside {@link EpochHeader}.
+ */
+interface RequestContext {
+  /** Registered provider route the metadata was resolved through. */
+  provider: string
+  /** Provider-owned model id the metadata belongs to. */
+  model: string
+  /** Maximum combined request and response context in tokens; absent when the adapter advertises none. */
+  contextWindow?: number
+}
+```
+
 ## `SessionEvent<T>` — one log entry
 
 A proper discriminated union over `type` (not independent `type`/`data` unions), so `switch (event.type)` narrows `event.data` without casts. `seq` is the monotonic position in the log (`seq = log.length`); `time` is epoch ms.
@@ -353,7 +385,9 @@ declare class Session {
    * start here. Distinct from `header.seedLength`, the DURABLE fork-lineage
    * boundary: a resumed session's constructor seed is its full stored log,
    * while its header keeps the original fork value — this field is the
-   * in-process construction fact.
+   * in-process construction fact. An explicitly supplied empty seed has the
+   * same value as no seed (0); its `session/end-seed` event preserves the
+   * lifecycle distinction.
    *
    * Not persisted itself: a seeded session projects it into the log as the
    * `session/end-seed` event, which is what a consumer reading STORED history
@@ -426,6 +460,14 @@ declare class Session {
    * @returns the folded header, or undefined when no header event exists yet.
    */
   requestHeader(): EpochHeader | undefined;
+  /**
+   * The route metadata in force after the log's last `request/context` event —
+   * what the NEXT request deduplicates against — or undefined before any such
+   * record. Maintained incrementally like {@link requestHeader}, so a per-step
+   * read costs O(new events).
+   * @returns the folded context record, or undefined when none exists yet.
+   */
+  requestContext(): RequestContext | undefined;
   /**
    * Derive the LLM message history by walking the ordered sequences of
    * message-producing events maintained by `surfaceOp` markers. The
@@ -522,7 +564,7 @@ The optional `dsh-session/invariant` companion enforces the relations owned by c
 
 A seeded session — resume, fork, or replay — appends this log-only event immediately after its constructor seed, as its first live write. Events before it have smaller seq values and came from the seed. It is the durable projection of `firstLiveSeq`: that field answers where this lifecycle's writes start for a consumer holding the object, while the event answers the same question for one holding only stored bytes. The payload is empty, so position and `time` carry the whole meaning, and it produces no message. `Session`'s constructor is the only legitimate writer.
 
-An empty seed writes nothing, and a seed already ending in `session/end-seed` is not re-marked, so reopening an untouched session does not grow its log per pickup. Locate the LAST `session/end-seed` in stored history rather than assuming one exists at `firstLiveSeq`: after a pickup with no work, the event has a smaller seq than the next lifecycle's `firstLiveSeq`.
+An explicitly supplied empty seed writes `session/end-seed` at seq 0, which distinguishes an empty resumed session from a fresh one. A seed already ending in `session/end-seed` is not re-marked, so reopening an untouched session does not grow its log per pickup. Locate the LAST `session/end-seed` in stored history rather than assuming one exists at `firstLiveSeq`: after a pickup with no work, the event has a smaller seq than the next lifecycle's `firstLiveSeq`.
 
 It exists because seed history and live work are otherwise byte-identical, which defeats any plugin owning a standalone open/close bracket: an unmatched `compact/start` reads the same whether the writer crashed mid-compaction or is compacting right now. An opening marker before `session/end-seed` came from the constructor seed and belongs to an ended lifecycle, whatever ended it (a crash, a succeeding process, or a fork out of a still-running parent), so its owner may treat it as dead. That covers only brackets *this* session inherited: a concurrently live session holding an open bracket over the same history has its own boundary elsewhere, so tolerating concurrent writers needs a liveness signal beyond the log. Core writes the boundary and reads nothing from it — a bracket's vocabulary stays with its owning plugin, which is why crash repair closes turn/step/tool boundaries and never `compact/*`.
 
diff --git a/docs/core-data-structures/session.zh.md b/docs/core-data-structures/session.zh.md
index 6a70c1548f..716ea383ac 100644
--- a/docs/core-data-structures/session.zh.md
+++ b/docs/core-data-structures/session.zh.md
@@ -92,10 +92,22 @@ interface SessionEventMap {
    * It is log-only; the latest snapshot reconstructs the request header.
    */
   'request/header': { header: EpochHeader; reason: RequestHeaderReason }
+  /**
+   * Registration-bound context metadata for the route a request resolved to,
+   * appended inside its step beside `request/header` and only when the route
+   * or capacity differs from the last record. It is log-only and deliberately
+   * NOT part of {@link EpochHeader}: capacity is adapter metadata about a
+   * route, not an input the request was built from, so it must not participate
+   * in request reconstruction or header equality. `contextWindow` is absent
+   * when the route's adapter advertises no capacity.
+   */
+  'request/context': RequestContext
   /**
    * Marks the end of a constructor seed. Events before it have smaller seq
    * values and came from the seed (resume, fork, or replay); this lifecycle
-   * produced none of them. This log-only event is the durable projection of
+   * produced none of them. An explicitly supplied empty seed puts the marker
+   * at seq 0, distinguishing an empty resumed session from a fresh session.
+   * This log-only event is the durable projection of
    * {@link Session.firstLiveSeq}. Its payload is empty — position and `time`
    * carry the meaning.
    *
@@ -169,6 +181,26 @@ interface EpochHeader {
 
 规范形式：空系统提示词和空工具列表都表示为字段缺失，与请求构建方式一致。包含已移除的 `request/header-delta` 事件或完整快照原因为 `fallback` 的旧版 v0 日志，会在 seed、append 和持久化加载边界被拒绝，而不会以不完整方式回放。
 
+### 路由容量事件：`request/context`
+
+请求所解析到的路由的上下文元数据是独立的已记录状态，在同一步骤内紧随 `request/header` 追加，且仅在提供方、模型或容量与上一条记录不同时追加。它保持在 `EpochHeader` 之外，因为该类型是由 `headerEquals` 逐字段比较的重建契约：容量描述的是路由，不是请求输入，把它折叠进去会让一次容量变化被登记为请求信封的 `change`，也会把适配器元数据拉进 loop 的重建不变式。与 `request/header` 一样，它不是 `SurfaceEventType`，也不产生 LLM 消息。`session.requestContext()` 以增量方式归并最新一条记录。适配器不公布容量的路由会以缺失 `contextWindow` 的形式记录，因此新记录可以清除较早路由的容量。
+
+```ts type-equiv
+/**
+ * Registration-bound context metadata of one resolved model route. Adapter
+ * metadata about a route rather than a request input, which is why it lives
+ * outside {@link EpochHeader}.
+ */
+interface RequestContext {
+  /** Registered provider route the metadata was resolved through. */
+  provider: string
+  /** Provider-owned model id the metadata belongs to. */
+  model: string
+  /** Maximum combined request and response context in tokens; absent when the adapter advertises none. */
+  contextWindow?: number
+}
+```
+
 ## `SessionEvent<T>`：一条日志条目
 
 基于 `type` 的真正可辨识联合（而非独立的 `type`/`data` 联合），因此 `switch (event.type)` 能直接收窄 `event.data`，无需类型断言。`seq` 是日志中的单调递增位置（`seq = log.length`）；`time` 为 epoch 毫秒。
@@ -355,7 +387,9 @@ declare class Session {
    * start here. Distinct from `header.seedLength`, the DURABLE fork-lineage
    * boundary: a resumed session's constructor seed is its full stored log,
    * while its header keeps the original fork value — this field is the
-   * in-process construction fact.
+   * in-process construction fact. An explicitly supplied empty seed has the
+   * same value as no seed (0); its `session/end-seed` event preserves the
+   * lifecycle distinction.
    *
    * Not persisted itself: a seeded session projects it into the log as the
    * `session/end-seed` event, which is what a consumer reading STORED history
@@ -428,6 +462,14 @@ declare class Session {
    * @returns the folded header, or undefined when no header event exists yet.
    */
   requestHeader(): EpochHeader | undefined;
+  /**
+   * The route metadata in force after the log's last `request/context` event —
+   * what the NEXT request deduplicates against — or undefined before any such
+   * record. Maintained incrementally like {@link requestHeader}, so a per-step
+   * read costs O(new events).
+   * @returns the folded context record, or undefined when none exists yet.
+   */
+  requestContext(): RequestContext | undefined;
   /**
    * Derive the LLM message history by walking the ordered sequences of
    * message-producing events maintained by `surfaceOp` markers. The
@@ -526,7 +568,7 @@ interface TurnEndReasonMap {
 
 带种子的会话（恢复、fork 或回放）紧接构造种子之后追加这个仅日志事件，作为自己的第一次实时写入。在它之前的事件具有更小的 seq，且来自种子。它是 `firstLiveSeq` 的持久投影：该字段为持有对象的消费方回答本生命周期的写入从哪里开始，该事件则为只持有存储字节的消费方回答同一问题。payload 为空，因此位置与 `time` 承载全部含义，且不产生任何消息。`Session` 的构造函数是唯一合法的写入方。
 
-空种子不写入任何内容；种子本身已以 `session/end-seed` 结尾时不会重复标记，因此重新打开一个未被改动的会话不会每次拾起都增长日志。应定位存储历史中的最后一条 `session/end-seed`，而不是假定 `firstLiveSeq` 处一定有一条：在一次没有产生工作的拾起之后，该事件的 seq 会小于下一个生命周期的 `firstLiveSeq`。
+显式传入的空种子会在 seq 0 写入 `session/end-seed`，从而把从空日志恢复的会话与全新会话区分开来。种子本身已以 `session/end-seed` 结尾时不会重复标记，因此重新打开一个未被改动的会话不会每次拾起都增长日志。应定位存储历史中的最后一条 `session/end-seed`，而不是假定 `firstLiveSeq` 处一定有一条：在一次没有产生工作的拾起之后，该事件的 seq 会小于下一个生命周期的 `firstLiveSeq`。
 
 它之所以必要，是因为种子历史与实时工作在字节层面完全相同，这会让任何拥有独立开／闭括号的插件失效：一个未配对的 `compact/start`，无论写入方是在压缩中途崩溃、还是此刻正在压缩，读起来都一样。在 `session/end-seed` 之前的开启标记来自构造种子，并且属于一个已结束的生命周期，无论结束原因为何（崩溃、进程接替，或从仍在运行的父会话 fork 出来），因此其所有方可以视之为已死。这只覆盖*本*会话继承的括号：另一个并发存活的会话可能在同一段历史上持有开放括号，而它自己的边界在别处，因此容忍并发写入方还需要日志之外的存活信号。核心写入该边界但不从中读取任何内容——括号的词汇表仍归其所属插件，这也正是崩溃修复只关闭轮次／步骤／工具边界而从不处理 `compact/*` 的原因。
 
diff --git a/docs/core-data-structures/system-prompt.i18n.yaml b/docs/core-data-structures/system-prompt.i18n.yaml
index e697ec6bcd..2984c73425 100644
--- a/docs/core-data-structures/system-prompt.i18n.yaml
+++ b/docs/core-data-structures/system-prompt.i18n.yaml
@@ -1,6 +1,6 @@
 # Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
-#   pnpm run verify-translation-pairing --write
-system-prompt.md: 63a750c74300b4353f132d3dae9da52a10631f23
-system-prompt.zh.md: 3f7ab9aee5743616f00e95e81fb9a3a4af2c6e8a
+#   pnpm run verify-translation-pairing --write docs/core-data-structures/system-prompt.md
+system-prompt.md: 5abb8f46c13045c7d37bbe12ecf6c3744ee063b5
+system-prompt.zh.md: 1088b20ba4289ad5912a193eead39d069c1a6e17
diff --git a/docs/core-data-structures/system-prompt.md b/docs/core-data-structures/system-prompt.md
index 63a750c743..5abb8f46c1 100644
--- a/docs/core-data-structures/system-prompt.md
+++ b/docs/core-data-structures/system-prompt.md
@@ -60,3 +60,23 @@ interface PromptSection {
   readonly text: string | ((context: AssembleContext) => string)
 }
 ```
+
+## Dynamic prompt context
+
+`PromptContext` is the cache-safe counterpart to `PromptSection`. The assembly resolves and orders these contributions, while agent-loop logs their complete current snapshot after retained model history only when it changed or compaction removed it.
+
+```ts type-equiv
+/**
+ * One dynamic model-context contribution. Unlike a {@link PromptSection}, its
+ * rendered text is materialized as a durable user-role snapshot at the request
+ * tail, so changing runtime state preserves the stable system/history prefix.
+ */
+interface PromptContext {
+  /** Unique name — a duplicate registration throws (see {@link SystemPrompt.context}). */
+  readonly name: string
+  /** Contexts are joined in ascending order, independently of system-section order. */
+  readonly order: number
+  /** Static text or a provider evaluated for each assembly. Empty text contributes nothing. */
+  readonly text: string | ((context: AssembleContext) => string)
+}
+```
diff --git a/docs/core-data-structures/system-prompt.zh.md b/docs/core-data-structures/system-prompt.zh.md
index 3f7ab9aee5..1088b20ba4 100644
--- a/docs/core-data-structures/system-prompt.zh.md
+++ b/docs/core-data-structures/system-prompt.zh.md
@@ -60,3 +60,23 @@ interface PromptSection {
   readonly text: string | ((context: AssembleContext) => string)
 }
 ```
+
+## 动态提示词上下文
+
+`PromptContext` 是与 `PromptSection` 对应的缓存安全结构。组装会解析这些贡献并排序；agent loop（智能体循环）仅在完整当前快照发生变化或被压缩（compaction）移除时，才会将其记录在保留的模型历史之后。
+
+```ts type-equiv
+/**
+ * One dynamic model-context contribution. Unlike a {@link PromptSection}, its
+ * rendered text is materialized as a durable user-role snapshot at the request
+ * tail, so changing runtime state preserves the stable system/history prefix.
+ */
+interface PromptContext {
+  /** Unique name — a duplicate registration throws (see {@link SystemPrompt.context}). */
+  readonly name: string
+  /** Contexts are joined in ascending order, independently of system-section order. */
+  readonly order: number
+  /** Static text or a provider evaluated for each assembly. Empty text contributes nothing. */
+  readonly text: string | ((context: AssembleContext) => string)
+}
+```
diff --git a/docs/core-data-structures/tools.i18n.yaml b/docs/core-data-structures/tools.i18n.yaml
index a6cf2bae68..156324472b 100644
--- a/docs/core-data-structures/tools.i18n.yaml
+++ b/docs/core-data-structures/tools.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write docs/core-data-structures/tools.md
-tools.md: 3c94f1093001e8c65365cc5baa50c1393d53b3ee
-tools.zh.md: 7a6aad81c4cfe83be8625411e4313d0c36018821
+tools.md: 98b642b846b23e2b29e6c6d800fe4106235eda85
+tools.zh.md: 1ef90c1e76ace7485ed6267de5ee82cbb4de6aa6
diff --git a/docs/core-data-structures/tools.md b/docs/core-data-structures/tools.md
index 3c94f10930..98b642b846 100644
--- a/docs/core-data-structures/tools.md
+++ b/docs/core-data-structures/tools.md
@@ -447,8 +447,8 @@ type ObjectJsonSchema = JsonSchemaNode & { type: 'object' }
 How a tool wants its call shown in a UI (an editor tool-call card, a CLI log line), provider-neutral so a tool describes itself without depending on any client protocol. `presentCall`/`presentResult` return a **`card`-tagged render intent** — a discriminated union a UI bridge switches on:
 
 - `ToolCallView` (pending): `{ card: 'generic', title, kind?, rawInput?, content?, locations? }` (the default card; `locations` is `{ path, line? }[]` files the call reads/modifies, for editor follow-along), `{ card: 'terminal', title, description?, cwd? }` (a shell command → a terminal card), or `{ card: 'diff', title, diffs, locations? }` (a file create/modify → an inline diff card; `diffs` is `{ path, oldText, newText }[]`, `oldText: null` for a new file).
-- `ToolResultView` (completed): `{ card: 'generic', title?, content? }`, `{ card: 'terminal', title?, output?, exitCode?, signal? }` (the captured run output + exit; a capable UI shows an exit-status pill, while another may derive a fenced ` ```console ` fallback), `{ card: 'diff', title?, diffs }` (a completed file mutation → the change to show, typically the applied hunks with context lines computed from the before/after content, or a whole-file diff when there is no before-image), or `{ card: 'web', kind: 'search' | 'fetch', title?, … }` (a completed web retrieval; `kind: 'search'` carries the structured `sources`/`answer?`/`truncated`, `kind: 'fetch'` carries `url`/`statusCode`/`truncated`, and a UI without the `web` capability falls back to the raw result content — the body is not duplicated into the view). Completed views replace pending views, so mutation tools return a diff result even when it duplicates the call-time snippet.
+- `ToolResultView` (completed): `{ card: 'generic', title?, content? }`, `{ card: 'terminal', title?, output?, exitCode?, signal? }` (the captured run output + exit; a capable UI shows an exit-status pill, while another may derive a fenced ` ```console ` fallback), `{ card: 'diff', title?, diffs }` (a completed file mutation → the change to show, typically the applied hunks with context lines computed from the before/after content, or a whole-file diff when there is no before-image), `{ card: 'search', shape, title?, truncated, total, … }` (a completed discovery search → grouped-by-file matches for `shape: 'matches'` (grep) or a flat path list for `shape: 'paths'` (glob); `truncated`/`total` report whether the inline result was capped so a UI never presents a partial result as complete; the view carries no result text — a UI without a search card falls back to the raw result content), `{ card: 'read', title?, path, offset, lines, totalLines, lang?, content? }` (a completed file read → a line-numbered, optionally syntax-highlighted code view; `offset` is the 1-based first line the window requested, kept even when `lines` is empty; `lang` is a language hint from the extension, and `content` is the envelope-stripped text a UI without read support falls back to), or `{ card: 'web', kind: 'search' | 'fetch', title?, … }` (a completed web retrieval; `kind: 'search'` carries the structured `sources`/`answer?`/`truncated`, `kind: 'fetch'` carries `url`/`statusCode`/`truncated`, and a UI without the `web` capability falls back to the raw result content — the body is not duplicated into the view). Completed views replace pending views, so mutation tools return a diff result even when it duplicates the call-time snippet; a search and a web retrieval have no `card` call-time analogue (their pending state stays a generic card, since the structured result exists only after `execute`).
 
-`ToolCallKind` (`'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other'`) picks an icon on a generic card. `FileLocation` (`{ path, line? }`) and `FileDiff` (`{ path, oldText, newText }`) are the shared file-card vocabulary. The design is pinned in [the render-intent-union Agent Note](../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md); the TUI and host/client runtime project this neutral vocabulary into their own views.
+`ToolCallKind` (`'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other'`) picks an icon on a generic card. `FileLocation` (`{ path, line? }`), `FileDiff` (`{ path, oldText, newText }`), and `ReadFileLine` (`{ number, text }`, one 1-based numbered line of a read window) are the shared file-card vocabulary. The design is pinned in [the render-intent-union Agent Note](../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md); the TUI and host/client runtime project this neutral vocabulary into their own views.
 
 The full presentation field docs live in [`packages/core/tools/src/presentation.ts`](../../packages/core/tools/src/presentation.ts). The `bash` schema and executor are on [bash.md](bash.md); generic background controls are on [tasks.md](tasks.md).
diff --git a/docs/core-data-structures/tools.zh.md b/docs/core-data-structures/tools.zh.md
index 7a6aad81c4..1ef90c1e76 100644
--- a/docs/core-data-structures/tools.zh.md
+++ b/docs/core-data-structures/tools.zh.md
@@ -447,8 +447,8 @@ type ObjectJsonSchema = JsonSchemaNode & { type: 'object' }
 工具希望其调用在 UI 中如何呈现（编辑器工具调用卡片、CLI（命令行界面）日志行），提供方无关，使工具在不依赖任何客户端协议的情况下描述自身。`presentCall`/`presentResult` 返回一个 **`card` 标签的渲染意图**——一个可辨识联合类型，UI 桥接层据此分发：
 
 - `ToolCallView`（待执行）：`{ card: 'generic', title, kind?, rawInput?, content?, locations? }`（默认卡片；`locations` 是 `{ path, line? }[]`，表示调用读取/修改的文件，供编辑器跟随）、`{ card: 'terminal', title, description?, cwd? }`（shell 命令→终端卡片）、或 `{ card: 'diff', title, diffs, locations? }`（文件创建/修改→行内 diff 卡片；`diffs` 是 `{ path, oldText, newText }[]`，新文件时 `oldText: null`）。
-- `ToolResultView`（已完成）：`{ card: 'generic', title?, content? }`、`{ card: 'terminal', title?, output?, exitCode?, signal? }`（捕获的运行输出 + 退出状态；有能力的 UI 显示退出状态标签，其他 UI 可以派生围栏 ` ```console ` 回退）、`{ card: 'diff', title?, diffs }`（已完成的文件变更→要展示的变更，通常是从变更前后内容计算出带上下文行的已应用 hunk，或在没有前像时的整文件 diff）、或 `{ card: 'web', kind: 'search' | 'fetch', title?, … }`（已完成的 web 检索；`kind: 'search'` 携带结构化的 `sources`/`answer?`/`truncated`，`kind: 'fetch'` 携带 `url`/`statusCode`/`truncated`，不具备 `web` 能力的 UI 回退到原始结果内容——正文不会重复进视图）。已完成视图会替换待执行视图，因此变更工具即使与调用时的片段重复也要返回 diff 结果。
+- `ToolResultView`（已完成）：`{ card: 'generic', title?, content? }`、`{ card: 'terminal', title?, output?, exitCode?, signal? }`（捕获的运行输出 + 退出状态；有能力的 UI 显示退出状态标签，其他 UI 可以派生围栏 ` ```console ` 回退）、`{ card: 'diff', title?, diffs }`（已完成的文件变更→要展示的变更，通常是从变更前后内容计算出带上下文行的已应用 hunk，或在没有前像时的整文件 diff）、`{ card: 'search', shape, title?, truncated, total, … }`（已完成的发现型搜索→`shape: 'matches'`（grep）为按文件分组的匹配，`shape: 'paths'`（glob）为扁平路径列表；`truncated`/`total` 报告内联结果是否被截断，使 UI 永不把部分结果当作完整结果呈现；该视图不携带结果文本——无 search 卡片的 UI 回退到原始结果内容）、`{ card: 'read', title?, path, offset, lines, totalLines, lang?, content? }`（已完成的文件读取→带行号、可选语法高亮的代码视图；`offset` 是窗口请求的 1-based 起始行，即使 `lines` 为空也保留；`lang` 是从扩展名推得的语言提示，`content` 是无读取能力的 UI 回退时使用的去信封文本）、或 `{ card: 'web', kind: 'search' | 'fetch', title?, … }`（已完成的 web 检索；`kind: 'search'` 携带结构化的 `sources`/`answer?`/`truncated`，`kind: 'fetch'` 携带 `url`/`statusCode`/`truncated`，不具备 `web` 能力的 UI 回退到原始结果内容——正文不会重复进视图）。已完成视图会替换待执行视图，因此变更工具即使与调用时的片段重复也要返回 diff 结果；搜索和 web 检索都没有 `card` 的调用时对应视图（其 pending 状态保持为 generic 卡片，因为结构化结果只在 `execute` 之后才存在）。
 
-`ToolCallKind`（`'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other'`）用于为通用卡片选择图标。`FileLocation`（`{ path, line? }`）与 `FileDiff`（`{ path, oldText, newText }`）是共享的文件卡片词汇。该设计由[渲染意图联合类型 Agent Note（agent 决策记录）](../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md)固定；TUI 和 host/client 运行时将这套中性词汇投影为各自的视图。
+`ToolCallKind`（`'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other'`）用于为通用卡片选择图标。`FileLocation`（`{ path, line? }`）、`FileDiff`（`{ path, oldText, newText }`）与 `ReadFileLine`（`{ number, text }`，读取窗口中一行带 1-based 行号的内容）是共享的文件卡片词汇。该设计由[渲染意图联合类型 Agent Note（agent 决策记录）](../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md)固定；TUI 和 host/client 运行时将这套中性词汇投影为各自的视图。
 
 完整的展示字段文档见 [`packages/core/tools/src/presentation.ts`](../../packages/core/tools/src/presentation.ts)。`bash` schema 与执行器见 [bash.md](bash.md)；通用后台控制见 [tasks.md](tasks.md)。
diff --git a/docs/development.i18n.yaml b/docs/development.i18n.yaml
index c456a02a31..7d71b529fa 100644
--- a/docs/development.i18n.yaml
+++ b/docs/development.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write docs/development.md
-development.md: f58cad7d361def14667fa66017cb003b74d70749
-development.zh.md: 88ddd8483c234bdf1c1fd0bcda9df3ca02ea6fa4
+development.md: 22eb7915f621883a84688d70e2ccad2fee2dbbba
+development.zh.md: 480cd323d4d2325974f472c734edab9ce7459e89
diff --git a/docs/development.md b/docs/development.md
index f58cad7d36..22eb7915f6 100644
--- a/docs/development.md
+++ b/docs/development.md
@@ -83,7 +83,7 @@ DEEPSEEK_BASE_URL=https://... # optional
 
 lefthook is configured in `lefthook.yml` as a fast local checkpoint:
 
-- `pre-commit` applies formatting-only ESLint fixes, validates the staged files with Oxlint and applies its native fixes, checks the staged diff for whitespace errors, and runs the vendor manifest guard.
+- `pre-commit` applies formatting-only ESLint fixes, validates the staged files with Oxlint and applies its native fixes, regenerates `THIRD_PARTY_NOTICES.md` when a staged file is one of its inputs, checks the staged diff for whitespace errors, and runs the vendor manifest guard.
 - `pre-push` runs only the incremental repository typecheck (`tsc -b` over the root solution, covering both the host and client aggregates).
 
 The vendor manifest guard checks that changes under `vendor/*/src` are staged with the matching `vendor/README.md` manifest update. See `vendor/README.md` before editing vendored code.
diff --git a/docs/development.zh.md b/docs/development.zh.md
index 88ddd8483c..480cd323d4 100644
--- a/docs/development.zh.md
+++ b/docs/development.zh.md
@@ -83,7 +83,7 @@ DEEPSEEK_BASE_URL=https://... # optional
 
 lefthook 在 `lefthook.yml` 中配置，作为快速的本地检查点：
 
-- `pre-commit` 应用仅用于格式化的 ESLint 修复，使用 Oxlint 验证暂存文件并应用其原生修复，然后检查暂存 diff 中的空白错误，并运行 vendor manifest（元数据清单）守卫；
+- `pre-commit` 应用仅用于格式化的 ESLint 修复，使用 Oxlint 验证暂存文件并应用其原生修复，在暂存文件属于 `THIRD_PARTY_NOTICES.md` 的输入时重新生成该文件，然后检查暂存 diff 中的空白错误，并运行 vendor manifest（元数据清单）守卫；
 - `pre-push` 只运行仓库增量类型检查（对根 solution 执行 `tsc -b`，覆盖 host 与 client 两个聚合）。
 
 vendor manifest 守卫检查 `vendor/*/src` 下的改动是否连同对应的 `vendor/README.md` manifest 更新一起暂存。请在编辑 vendor 代码前先阅读 `vendor/README.md`。
diff --git a/examples/README.i18n.yaml b/examples/README.i18n.yaml
index 1956f0fd5e..ead468e816 100644
--- a/examples/README.i18n.yaml
+++ b/examples/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write examples/README.md
-README.md: a502f34128da497586d593f64d0ce1c05f68a067
-README.zh.md: e3c111bb6a8f67899b6f434345baa3b47640b7ee
+README.md: 64e9804eb69367588e926791039c453b0a9aede9
+README.zh.md: dd26b9e3f35c2d3350da77ce04bd77b4660ced1b
diff --git a/examples/README.md b/examples/README.md
index a502f34128..64e9804eb6 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -4,6 +4,10 @@ English | [中文](README.zh.md)
 
 Runnable demos (not workspaces) that showcase how the harness is wired. Each example is a **thin leaf**: either a `cordis.yml` tree that picks swappable backends and loads one app package, or an **overlay** — a patch list `dsh --config` applies over the shipped composition ([`apps/cli/config/base.cordis.yml`](../apps/cli/config/base.cordis.yml) plus a surface overlay). Bundled compositions live in [`@deepseek-ai/dsh-cli-demo`](../packages/examples/cli-demo), [`@deepseek-ai/dsh-acp-demo`](../packages/examples/acp-demo), and their shared [`@deepseek-ai/dsh-agent-spine-demo`](../packages/examples/agent-spine-demo) bundle; the `dsh` surfaces use flat config trees instead. There is no `start.ts`; the terminal `demo:*` scripts boot through the [`dsh`](../apps/cli/README.md) CLI, and the headless/ACP scripts invoke the `cli-demo`/`acp-demo` bins.
 
+## mcp-memory
+
+Three default-off reference overlays connect a memory MCP server through the generic MCP client. Pick one file and pass it to `dsh --config`; DSH does not install or configure the upstream memory system. See [mcp-memory/README.md](mcp-memory/README.md) for pinned prerequisites, identity mapping, the shared optional prompt, and the write → fresh-session recall → use verification recipe.
+
 ## headless-agent
 
 A non-interactive agent demo that accepts one positional task, runs one complete model/tool turn on the `@deepseek-ai/dsh-cli-demo` app, persists a fresh session, prints `text`, `json`, or `stream-json`, and exits.
diff --git a/examples/README.zh.md b/examples/README.zh.md
index e3c111bb6a..dd26b9e3f3 100644
--- a/examples/README.zh.md
+++ b/examples/README.zh.md
@@ -4,6 +4,10 @@
 
 展示 harness 如何接线的可运行演示（不是 workspace）。每个示例都是一个 **轻量叶节点**：要么是一份选择可替换后端、加载一个应用包（package）的 `cordis.yml` 配置树，要么是一个 **overlay**——由 `dsh --config` 叠加到交付组合（[`apps/cli/config/base.cordis.yml`](../apps/cli/config/base.cordis.yml) 加一份 surface overlay）之上的 patch 列表。成组的组合位于 [`@deepseek-ai/dsh-cli-demo`](../packages/examples/cli-demo)、[`@deepseek-ai/dsh-acp-demo`](../packages/examples/acp-demo) 及它们共享的 [`@deepseek-ai/dsh-agent-spine-demo`](../packages/examples/agent-spine-demo) 组合包中；`dsh` 的各 surface 则改用平铺 config tree。没有 `start.ts`；终端 `demo:*` 脚本通过 [`dsh`](../apps/cli/README.md) CLI（命令行界面）启动，无头／ACP（Agent Client Protocol）脚本则调用 `cli-demo`/`acp-demo` bin。
 
+## mcp-memory
+
+三份默认关闭的参考 overlay 通过通用 MCP 客户端连接一个记忆 MCP 服务器。选择其中一份文件传给 `dsh --config`；DSH 不负责安装或配置上游记忆系统。版本固定的前置条件、身份映射、可选的共用提示词，以及「写入 → 新会话召回 → 使用」验证流程详见 [mcp-memory/README.md](mcp-memory/README.md)。
+
 ## headless-agent
 
 非交互式 agent（智能体）演示：接受一个位置任务，在 `@deepseek-ai/dsh-cli-demo` 应用上运行一个完整模型／工具轮次，持久化新会话，打印 `text`、`json` 或 `stream-json`，然后退出。
diff --git a/examples/acp-agent/session-sandbox-root.cordis.snapshot.yml b/examples/acp-agent/session-sandbox-root.cordis.snapshot.yml
index d829673844..02b1d303d4 100644
--- a/examples/acp-agent/session-sandbox-root.cordis.snapshot.yml
+++ b/examples/acp-agent/session-sandbox-root.cordis.snapshot.yml
@@ -36,7 +36,7 @@
       - id: sandbox-policy
         name: '@deepseek-ai/dsh-sandbox-policy'
         config:
-          mode: danger-full-access
+          mode: workspace-write
           workspaceRoot: /tmp
       - insert:
           - id: llm-replay
diff --git a/examples/acp-agent/tests/acp.snapshot.ts b/examples/acp-agent/tests/acp.snapshot.ts
index 459c8d6554..429b304143 100644
--- a/examples/acp-agent/tests/acp.snapshot.ts
+++ b/examples/acp-agent/tests/acp.snapshot.ts
@@ -113,6 +113,7 @@ const SCENARIOS: Scenario[] = [
     name: 'session-query-spill',
     hasModelTurn: true,
     recorded: false,
+    overridden: true,
     pinsHeader: true,
     headerClass: 'session-query',
     configPath: SESSION_QUERY_CONFIG,
@@ -301,6 +302,7 @@ const SCENARIOS: Scenario[] = [
     recorded: true,
     pinsHeader: true,
     headerClass: 'sandbox',
+    systemPromptSource: 'text-turn',
     toolSchemasSource: 'text-turn',
     env: { DSH_PERMISSION_MODE: 'workspace-write' },
   },
diff --git a/examples/acp-agent/tests/snapshots/advanced-toolchain/system-prompt.expected.md b/examples/acp-agent/tests/snapshots/advanced-toolchain/system-prompt.expected.md
index 58a54a1509..97f0561a37 100644
--- a/examples/acp-agent/tests/snapshots/advanced-toolchain/system-prompt.expected.md
+++ b/examples/acp-agent/tests/snapshots/advanced-toolchain/system-prompt.expected.md
@@ -17,9 +17,6 @@ Track every background task id you start. You are notified in-session when a tas
 
 Use goal tools for one long-running completion objective in the current session. create_goal may infer goal intent from a direct human request in any language; do not create a goal for routine single-turn work. Call get_goal before update_goal and copy its exact goal_id and revision. After session resume or fork, an active goal is disarmed: when a human asks to continue or resume in any wording or language, use update_goal action resume to rearm it. Mark complete only when the objective is actually achieved. Mark blocked only after the same blocking condition persists for at least 3 consecutive goal rounds, and report that concrete condition in blocked_reason; difficulty, uncertainty, or useful remaining work is not blocked.
 
-Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).
-<!-- dsh-user-approval-policy:never -->
-
 Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.
 
 Use the ralph tool ONLY when the direct human explicitly asks for a Ralph loop or fresh-agent iterative execution. Each Ralph round starts a fresh child with no conversation seed and uses the shared workspace as durable memory. Completion and blockers are worker reports, not independent evaluation. Use same-session goal tools for ordinary long-running objectives, and plain subagents or workflows for bounded delegation and fan-out.
diff --git a/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.expected.md b/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.expected.md
index 0cee2a6517..150c53d68e 100644
--- a/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.expected.md
+++ b/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.expected.md
@@ -17,9 +17,6 @@ Track every background task id you start. You are notified in-session when a tas
 
 Use goal tools for one long-running completion objective in the current session. create_goal may infer goal intent from a direct human request in any language; do not create a goal for routine single-turn work. Call get_goal before update_goal and copy its exact goal_id and revision. After session resume or fork, an active goal is disarmed: when a human asks to continue or resume in any wording or language, use update_goal action resume to rearm it. Mark complete only when the objective is actually achieved. Mark blocked only after the same blocking condition persists for at least 3 consecutive goal rounds, and report that concrete condition in blocked_reason; difficulty, uncertainty, or useful remaining work is not blocked.
 
-Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).
-<!-- dsh-user-approval-policy:never -->
-
 Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.
 
 Use the ralph tool ONLY when the direct human explicitly asks for a Ralph loop or fresh-agent iterative execution. Each Ralph round starts a fresh child with no conversation seed and uses the shared workspace as durable memory. Completion and blockers are worker reports, not independent evaluation. Use same-session goal tools for ordinary long-running objectives, and plain subagents or workflows for bounded delegation and fan-out.
diff --git a/examples/acp-agent/tests/snapshots/escalation-approved/system-prompt.expected.md b/examples/acp-agent/tests/snapshots/escalation-approved/system-prompt.expected.md
deleted file mode 100644
index e3437ad61a..0000000000
--- a/examples/acp-agent/tests/snapshots/escalation-approved/system-prompt.expected.md
+++ /dev/null
@@ -1,24 +0,0 @@
-You are an AI agent powered by the DeepSeek Harness SDK.
-
-You are a coding assistant powered by the deepseek-v4-flash model. Your working directory is {{cwd}}. Your bash tool runs under a file sandbox — a `[sandbox: file access denied …]` result is policy, not a command bug.
-
-Verify your work by running the code or tests. Keep answers brief and factual.
-
-
-Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.
-
-Use the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.
-
-Use the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.
-
-Check the [exit code: N] marker on every bash result; investigate failures before moving on.
-
-Track every background task id you start. You are notified in-session when a task finishes — do not busy-poll or sleep on one; keep working on independent steps and do not duplicate a running task's work. Before giving a final answer, collect every still-relevant task with task_output (set wait: true only when you are genuinely blocked on it), and task_kill tasks that stopped mattering.
-
-Use goal tools for one long-running completion objective in the current session. create_goal may infer goal intent from a direct human request in any language; do not create a goal for routine single-turn work. Call get_goal before update_goal and copy its exact goal_id and revision. After session resume or fork, an active goal is disarmed: when a human asks to continue or resume in any wording or language, use update_goal action resume to rearm it. Mark complete only when the objective is actually achieved. Mark blocked only after the same blocking condition persists for at least 3 consecutive goal rounds, and report that concrete condition in blocked_reason; difficulty, uncertainty, or useful remaining work is not blocked.
-
-<!-- dsh-user-approval-policy:ask -->
-
-Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.
-
-Use the ralph tool ONLY when the direct human explicitly asks for a Ralph loop or fresh-agent iterative execution. Each Ralph round starts a fresh child with no conversation seed and uses the shared workspace as durable memory. Completion and blockers are worker reports, not independent evaluation. Use same-session goal tools for ordinary long-running objectives, and plain subagents or workflows for bounded delegation and fan-out.
diff --git a/examples/acp-agent/tests/snapshots/lsp-definition/system-prompt.expected.md b/examples/acp-agent/tests/snapshots/lsp-definition/system-prompt.expected.md
index 7bde8fe289..952e2509ee 100644
--- a/examples/acp-agent/tests/snapshots/lsp-definition/system-prompt.expected.md
+++ b/examples/acp-agent/tests/snapshots/lsp-definition/system-prompt.expected.md
@@ -19,9 +19,6 @@ Use search/read for ordinary navigation. Use lsp when textual matches are ambigu
 
 Use goal tools for one long-running completion objective in the current session. create_goal may infer goal intent from a direct human request in any language; do not create a goal for routine single-turn work. Call get_goal before update_goal and copy its exact goal_id and revision. After session resume or fork, an active goal is disarmed: when a human asks to continue or resume in any wording or language, use update_goal action resume to rearm it. Mark complete only when the objective is actually achieved. Mark blocked only after the same blocking condition persists for at least 3 consecutive goal rounds, and report that concrete condition in blocked_reason; difficulty, uncertainty, or useful remaining work is not blocked.
 
-Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).
-<!-- dsh-user-approval-policy:never -->
-
 Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.
 
 Use the ralph tool ONLY when the direct human explicitly asks for a Ralph loop or fresh-agent iterative execution. Each Ralph round starts a fresh child with no conversation seed and uses the shared workspace as durable memory. Completion and blockers are worker reports, not independent evaluation. Use same-session goal tools for ordinary long-running objectives, and plain subagents or workflows for bounded delegation and fan-out.
diff --git a/examples/acp-agent/tests/snapshots/pty-tools/system-prompt.expected.md b/examples/acp-agent/tests/snapshots/pty-tools/system-prompt.expected.md
index df065a83cb..3ee211382f 100644
--- a/examples/acp-agent/tests/snapshots/pty-tools/system-prompt.expected.md
+++ b/examples/acp-agent/tests/snapshots/pty-tools/system-prompt.expected.md
@@ -19,9 +19,6 @@ Track every background task id you start. You are notified in-session when a tas
 
 Use goal tools for one long-running completion objective in the current session. create_goal may infer goal intent from a direct human request in any language; do not create a goal for routine single-turn work. Call get_goal before update_goal and copy its exact goal_id and revision. After session resume or fork, an active goal is disarmed: when a human asks to continue or resume in any wording or language, use update_goal action resume to rearm it. Mark complete only when the objective is actually achieved. Mark blocked only after the same blocking condition persists for at least 3 consecutive goal rounds, and report that concrete condition in blocked_reason; difficulty, uncertainty, or useful remaining work is not blocked.
 
-Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).
-<!-- dsh-user-approval-policy:never -->
-
 Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.
 
 Use the ralph tool ONLY when the direct human explicitly asks for a Ralph loop or fresh-agent iterative execution. Each Ralph round starts a fresh child with no conversation seed and uses the shared workspace as durable memory. Completion and blockers are worker reports, not independent evaluation. Use same-session goal tools for ordinary long-running objectives, and plain subagents or workflows for bounded delegation and fan-out.
diff --git a/examples/acp-agent/tests/snapshots/session-query-spill/input.json b/examples/acp-agent/tests/snapshots/session-query-spill/input.json
index 0e0abb74a2..dfe4dbcf17 100644
--- a/examples/acp-agent/tests/snapshots/session-query-spill/input.json
+++ b/examples/acp-agent/tests/snapshots/session-query-spill/input.json
@@ -2,6 +2,6 @@
   "steps": [
     { "op": "initialize" },
     { "op": "newSession" },
-    { "op": "prompt", "text": "Read request event 4 with session_event_read, verify the complete spill was retained, then reply DONE." }
+    { "op": "prompt", "text": "Read request event 5 with session_event_read, verify the complete spill was retained, then reply DONE." }
   ]
 }
diff --git a/examples/acp-agent/tests/snapshots/session-query-spill/replay.override.json b/examples/acp-agent/tests/snapshots/session-query-spill/replay.override.json
new file mode 100644
index 0000000000..0c9381d5ca
--- /dev/null
+++ b/examples/acp-agent/tests/snapshots/session-query-spill/replay.override.json
@@ -0,0 +1,32 @@
+[
+  {
+    "kind": "chunks",
+    "chunks": [
+      { "type": "block-start", "index": 0, "blockType": "tool-call" },
+      { "type": "tool-call-delta", "index": 0, "id": "call_session_query_spill", "name": "session_event_read", "argumentsDelta": "{\"seq\":5}" },
+      { "type": "block-end", "index": 0, "block": { "type": "tool-call", "id": "call_session_query_spill", "name": "session_event_read", "arguments": "{\"seq\":5}" } },
+      { "type": "usage", "usage": { "inputTokens": 10, "outputTokens": 5 } },
+      { "type": "finish", "reason": { "kind": "tool-calls" } }
+    ]
+  },
+  {
+    "kind": "chunks",
+    "chunks": [
+      { "type": "block-start", "index": 0, "blockType": "tool-call" },
+      { "type": "tool-call-delta", "index": 0, "id": "call_verify_session_query_spill", "name": "bash", "argumentsDelta": "{\"command\":\"file=$(find /tmp/dsh-acp-snap-035d1d054 -name '*-session_event_read.txt' -type f); grep -q request/header \\\"$file\\\" && grep -q session_event_search \\\"$file\\\" && echo SPILL_CANONICAL_OK\",\"description\":\"Verify complete session query spill\"}" },
+      { "type": "block-end", "index": 0, "block": { "type": "tool-call", "id": "call_verify_session_query_spill", "name": "bash", "arguments": "{\"command\":\"file=$(find /tmp/dsh-acp-snap-035d1d054 -name '*-session_event_read.txt' -type f); grep -q request/header \\\"$file\\\" && grep -q session_event_search \\\"$file\\\" && echo SPILL_CANONICAL_OK\",\"description\":\"Verify complete session query spill\"}" } },
+      { "type": "usage", "usage": { "inputTokens": 10, "outputTokens": 5 } },
+      { "type": "finish", "reason": { "kind": "tool-calls" } }
+    ]
+  },
+  {
+    "kind": "chunks",
+    "chunks": [
+      { "type": "block-start", "index": 0, "blockType": "text" },
+      { "type": "text-delta", "index": 0, "text": "DONE" },
+      { "type": "block-end", "index": 0, "block": { "type": "text", "text": "DONE" } },
+      { "type": "usage", "usage": { "inputTokens": 10, "outputTokens": 2 } },
+      { "type": "finish", "reason": { "kind": "stop" } }
+    ]
+  }
+]
diff --git a/examples/acp-agent/tests/snapshots/session-query-spill/system-prompt.expected.md b/examples/acp-agent/tests/snapshots/session-query-spill/system-prompt.expected.md
index 68bdd841c7..d88db1934e 100644
--- a/examples/acp-agent/tests/snapshots/session-query-spill/system-prompt.expected.md
+++ b/examples/acp-agent/tests/snapshots/session-query-spill/system-prompt.expected.md
@@ -19,9 +19,6 @@ Use session_search to find relevant work from prior sessions, or session_event_s
 
 Use goal tools for one long-running completion objective in the current session. create_goal may infer goal intent from a direct human request in any language; do not create a goal for routine single-turn work. Call get_goal before update_goal and copy its exact goal_id and revision. After session resume or fork, an active goal is disarmed: when a human asks to continue or resume in any wording or language, use update_goal action resume to rearm it. Mark complete only when the objective is actually achieved. Mark blocked only after the same blocking condition persists for at least 3 consecutive goal rounds, and report that concrete condition in blocked_reason; difficulty, uncertainty, or useful remaining work is not blocked.
 
-Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).
-<!-- dsh-user-approval-policy:never -->
-
 Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.
 
 Use the ralph tool ONLY when the direct human explicitly asks for a Ralph loop or fresh-agent iterative execution. Each Ralph round starts a fresh child with no conversation seed and uses the shared workspace as durable memory. Completion and blockers are worker reports, not independent evaluation. Use same-session goal tools for ordinary long-running objectives, and plain subagents or workflows for bounded delegation and fan-out.
diff --git a/examples/acp-agent/tests/snapshots/text-turn/system-prompt.expected.md b/examples/acp-agent/tests/snapshots/text-turn/system-prompt.expected.md
index 17e6773a03..132b1e8b2c 100644
--- a/examples/acp-agent/tests/snapshots/text-turn/system-prompt.expected.md
+++ b/examples/acp-agent/tests/snapshots/text-turn/system-prompt.expected.md
@@ -17,9 +17,6 @@ Track every background task id you start. You are notified in-session when a tas
 
 Use goal tools for one long-running completion objective in the current session. create_goal may infer goal intent from a direct human request in any language; do not create a goal for routine single-turn work. Call get_goal before update_goal and copy its exact goal_id and revision. After session resume or fork, an active goal is disarmed: when a human asks to continue or resume in any wording or language, use update_goal action resume to rearm it. Mark complete only when the objective is actually achieved. Mark blocked only after the same blocking condition persists for at least 3 consecutive goal rounds, and report that concrete condition in blocked_reason; difficulty, uncertainty, or useful remaining work is not blocked.
 
-Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).
-<!-- dsh-user-approval-policy:never -->
-
 Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.
 
 Use the ralph tool ONLY when the direct human explicitly asks for a Ralph loop or fresh-agent iterative execution. Each Ralph round starts a fresh child with no conversation seed and uses the shared workspace as durable memory. Completion and blockers are worker reports, not independent evaluation. Use same-session goal tools for ordinary long-running objectives, and plain subagents or workflows for bounded delegation and fan-out.
diff --git a/examples/acp-agent/tests/snapshots/web-fetch/system-prompt.expected.md b/examples/acp-agent/tests/snapshots/web-fetch/system-prompt.expected.md
index 45705db0a5..3dd24eff4b 100644
--- a/examples/acp-agent/tests/snapshots/web-fetch/system-prompt.expected.md
+++ b/examples/acp-agent/tests/snapshots/web-fetch/system-prompt.expected.md
@@ -19,9 +19,6 @@ Use the web_fetch tool to retrieve the content of a specific HTTP(S) URL (for ex
 
 Use goal tools for one long-running completion objective in the current session. create_goal may infer goal intent from a direct human request in any language; do not create a goal for routine single-turn work. Call get_goal before update_goal and copy its exact goal_id and revision. After session resume or fork, an active goal is disarmed: when a human asks to continue or resume in any wording or language, use update_goal action resume to rearm it. Mark complete only when the objective is actually achieved. Mark blocked only after the same blocking condition persists for at least 3 consecutive goal rounds, and report that concrete condition in blocked_reason; difficulty, uncertainty, or useful remaining work is not blocked.
 
-Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).
-<!-- dsh-user-approval-policy:never -->
-
 Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.
 
 Use the ralph tool ONLY when the direct human explicitly asks for a Ralph loop or fresh-agent iterative execution. Each Ralph round starts a fresh child with no conversation seed and uses the shared workspace as durable memory. Completion and blockers are worker reports, not independent evaluation. Use same-session goal tools for ordinary long-running objectives, and plain subagents or workflows for bounded delegation and fan-out.
diff --git a/examples/acp-agent/tests/snapshots/workspace-context/system-prompt.expected.md b/examples/acp-agent/tests/snapshots/workspace-context/system-prompt.expected.md
index 6cd8d5725f..7e2d00fac7 100644
--- a/examples/acp-agent/tests/snapshots/workspace-context/system-prompt.expected.md
+++ b/examples/acp-agent/tests/snapshots/workspace-context/system-prompt.expected.md
@@ -17,9 +17,6 @@ Track every background task id you start. You are notified in-session when a tas
 
 Use goal tools for one long-running completion objective in the current session. create_goal may infer goal intent from a direct human request in any language; do not create a goal for routine single-turn work. Call get_goal before update_goal and copy its exact goal_id and revision. After session resume or fork, an active goal is disarmed: when a human asks to continue or resume in any wording or language, use update_goal action resume to rearm it. Mark complete only when the objective is actually achieved. Mark blocked only after the same blocking condition persists for at least 3 consecutive goal rounds, and report that concrete condition in blocked_reason; difficulty, uncertainty, or useful remaining work is not blocked.
 
-Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).
-<!-- dsh-user-approval-policy:never -->
-
 Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.
 
 Use the ralph tool ONLY when the direct human explicitly asks for a Ralph loop or fresh-agent iterative execution. Each Ralph round starts a fresh child with no conversation seed and uses the shared workspace as durable memory. Completion and blockers are worker reports, not independent evaluation. Use same-session goal tools for ordinary long-running objectives, and plain subagents or workflows for bounded delegation and fan-out.
diff --git a/examples/headless-agent/pty.cordis.snapshot.yml b/examples/headless-agent/pty.cordis.snapshot.yml
index 0de292a8f9..49f3a95afb 100644
--- a/examples/headless-agent/pty.cordis.snapshot.yml
+++ b/examples/headless-agent/pty.cordis.snapshot.yml
@@ -8,6 +8,10 @@
         name: '@deepseek-ai/dsh-llm-deepseek'
         disabled: true
       - insert:
+          - id: sandbox-policy
+            name: '@deepseek-ai/dsh-sandbox-policy'
+            config:
+              mode: danger-full-access
           - id: pty
             name: '@deepseek-ai/dsh-pty'
           - id: pty-snapshot-backend
diff --git a/examples/headless-agent/tests/fixtures/startup-activation-error/activation-error.mjs b/examples/headless-agent/tests/fixtures/startup-activation-error/activation-error.mjs
new file mode 100644
index 0000000000..16e5858045
--- /dev/null
+++ b/examples/headless-agent/tests/fixtures/startup-activation-error/activation-error.mjs
@@ -0,0 +1,6 @@
+/** Fail activation with a deterministic stack so the user-visible startup diagnostic is snapshot-stable. */
+export function apply() {
+  const failure = new Error('startup activation snapshot failure')
+  failure.stack = 'Error: startup activation snapshot failure\n    at activation-error-fixture'
+  throw failure
+}
diff --git a/examples/headless-agent/tests/fixtures/startup-activation-error/cordis.yml b/examples/headless-agent/tests/fixtures/startup-activation-error/cordis.yml
new file mode 100644
index 0000000000..2738e4a924
--- /dev/null
+++ b/examples/headless-agent/tests/fixtures/startup-activation-error/cordis.yml
@@ -0,0 +1,2 @@
+- id: activation-error
+  name: ./activation-error.mjs
diff --git a/examples/headless-agent/tests/fixtures/telemetry-otel.cordis.yml b/examples/headless-agent/tests/fixtures/telemetry-otel.cordis.yml
index d9cc454bfb..d1851ac7c9 100644
--- a/examples/headless-agent/tests/fixtures/telemetry-otel.cordis.yml
+++ b/examples/headless-agent/tests/fixtures/telemetry-otel.cordis.yml
@@ -8,6 +8,7 @@
 - id: telemetry-redact-rule
   name: './telemetry-redact-rule.ts'
 
+# Managed child-process groups required by the bash executor.
 - id: subprocess
   name: '@deepseek-ai/dsh-subprocess-local'
 
diff --git a/examples/headless-agent/tests/headless.snapshot.ts b/examples/headless-agent/tests/headless.snapshot.ts
index 98a1e23e8f..56a22ca0d3 100644
--- a/examples/headless-agent/tests/headless.snapshot.ts
+++ b/examples/headless-agent/tests/headless.snapshot.ts
@@ -33,6 +33,8 @@ const credentialsScenarioDir = join(snapshotsDir, 'missing-credential')
 const credentialsConfigPath = fileURLToPath(new URL('../credentials.cordis.snapshot.yml', import.meta.url))
 const ralphScenarioDir = join(snapshotsDir, 'ralph-loop')
 const ralphConfigPath = fileURLToPath(new URL('../ralph.cordis.snapshot.yml', import.meta.url))
+const startupFailureConfigPath = fileURLToPath(new URL('./fixtures/startup-activation-error/cordis.yml', import.meta.url))
+const startupFailureExpected = join(snapshotsDir, 'startup-activation-error', 'stderr.expected.txt')
 const binScript = fileURLToPath(new URL('../../../packages/examples/cli-demo/src/bin.ts', import.meta.url))
 const tsconfigPath = fileURLToPath(new URL('../../../tsconfig.json', import.meta.url))
 const reasoningConfigPath = fileURLToPath(new URL('./fixtures/cli.cordis.yml', import.meta.url))
@@ -167,6 +169,20 @@ async function persistedLogs(cwd: string): Promise<PersistedLog[]> {
 }
 
 describe('headless stream-json snapshots', () => {
+  it('prints the original Loader activation error through the assembled one-shot app', async () => {
+    const result = await runLoaderSmoke({
+      label: 'headless startup activation error snapshot',
+      tempDirPrefix: 'headless-snapshot-startup-error-',
+      binScript,
+      configPath: startupFailureConfigPath,
+      binArgs: ['--config', startupFailureConfigPath, '--output-format', 'stream-json', 'unreachable task'],
+      tsconfigPath,
+      expectedExitCode: 1,
+    })
+    expect(result.stdout).toBe('')
+    await expect(result.stderr).toMatchFileSnapshot(startupFailureExpected)
+  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+
   it('retries a transient provider failure through the one-shot app', async () => {
     const prompt = await scenarioPrompt(retryScenarioDir, 'provider-retry')
     const streamExpected = join(retryScenarioDir, 'stream-json.expected.jsonl')
diff --git a/examples/headless-agent/tests/snapshots/startup-activation-error/stderr.expected.txt b/examples/headless-agent/tests/snapshots/startup-activation-error/stderr.expected.txt
new file mode 100644
index 0000000000..5896d03464
--- /dev/null
+++ b/examples/headless-agent/tests/snapshots/startup-activation-error/stderr.expected.txt
@@ -0,0 +1,3 @@
+dsh-cli-demo: dsh-cli-demo: 1 entry did not activate
+./activation-error.mjs: Error: startup activation snapshot failure
+    at activation-error-fixture
diff --git a/examples/headless-agent/tests/subagent-inheritance.snapshot.ts b/examples/headless-agent/tests/subagent-inheritance.snapshot.ts
index dee4776473..e5f6994d0c 100644
--- a/examples/headless-agent/tests/subagent-inheritance.snapshot.ts
+++ b/examples/headless-agent/tests/subagent-inheritance.snapshot.ts
@@ -97,6 +97,26 @@ describe('parent-only override inheritance snapshot', () => {
           data: { mode: 'read-only', source: 'delegation' },
         })
 
+        const runtimeContexts = (content: string): string[] => content.trimEnd().split('\n').flatMap((line) => {
+          const record = JSON.parse(line) as {
+            type?: string
+            data?: { source?: { kind?: string; plugin?: string }; content?: Array<{ type?: string; text?: unknown }> }
+          }
+          if (record.type !== 'user/message'
+            || record.data?.source?.kind !== 'plugin'
+            || record.data.source.plugin !== '@deepseek-ai/dsh-system-prompt') return []
+          return record.data.content?.flatMap(block => block.type === 'text' && typeof block.text === 'string' ? [block.text] : []) ?? []
+        })
+        const policyContexts = [...runtimeContexts(parent), ...runtimeContexts(child)]
+        expect(policyContexts).toHaveLength(2)
+        for (const context of policyContexts) {
+          expect(context).toContain('Any available operation enforced by the DSH file sandbox cannot modify files in the standing mode.')
+          expect(context).toContain('Do not refuse a required modification from this policy alone')
+          expect(context).not.toContain('write and edit tools')
+          expect(context).not.toContain('one-shot bash commands')
+          expect(context).not.toContain('terminal sessions')
+        }
+
         const context: NormalizeContext = { sessionIds: [sessionId, String(headerOf(child).id)], cwd }
         const normalizedParent = scrubRequestHeaders(normalizeSessionLog(parent, context))
         const normalizedChild = scrubRequestHeaders(normalizeSessionLog(child, context))
diff --git a/examples/jsonrpc-agent/tests/sdk.snapshot.ts b/examples/jsonrpc-agent/tests/sdk.snapshot.ts
index b6e3e7fced..0bef713571 100644
--- a/examples/jsonrpc-agent/tests/sdk.snapshot.ts
+++ b/examples/jsonrpc-agent/tests/sdk.snapshot.ts
@@ -59,6 +59,8 @@ interface SdkScenario {
   expectedFiles?: Readonly<Record<string, string>>
   /** Assembled model-facing tool names and required argument keys. */
   expectedTools?: Readonly<Record<string, readonly string[]>>
+  /** Stable policy-context clauses the real assembled request must include or omit. */
+  policyContext?: { includes: readonly string[]; excludes: readonly string[] }
 }
 
 const SCENARIOS: SdkScenario[] = [
@@ -88,6 +90,10 @@ const SCENARIOS: SdkScenario[] = [
     configs: { live: persistentToolsLiveConfig, replay: persistentToolsReplayConfig },
     expectedFiles: { 'note.txt': 'target:\n\tnew\n' },
     expectedTools: { bash: ['command'], str_replace_editor: ['command', 'path'] },
+    policyContext: {
+      includes: ['Current DSH file policy: danger-full-access.', 'file modifications by available operations'],
+      excludes: ['write and edit tools', 'terminal sessions', 'one-shot bash commands'],
+    },
   },
 ]
 
@@ -117,7 +123,7 @@ async function persistedLogs(sessionsRoot: string): Promise<PersistedLog[]> {
 
 interface LoggedRequestHeader {
   type?: string
-  data?: { header?: { tools?: Array<{ name: string; parameters: { required?: string[] } }> } }
+  data?: { header?: { system?: unknown; tools?: Array<{ name: string; parameters: { required?: string[] } }> } }
 }
 
 function assembledToolRequirements(log: PersistedLog): Record<string, string[]> {
@@ -129,6 +135,30 @@ function assembledToolRequirements(log: PersistedLog): Record<string, string[]>
   return Object.fromEntries(tools.map(tool => [tool.name, tool.parameters.required ?? []]))
 }
 
+function assembledSystem(log: PersistedLog): string {
+  const event = log.content.trimEnd().split('\n')
+    .map(line => JSON.parse(line) as LoggedRequestHeader)
+    .find(candidate => candidate.type === 'request/header')
+  const system = event?.data?.header?.system
+  if (typeof system !== 'string') throw new Error('session log has no request/header system')
+  return system
+}
+
+function assembledPolicyContext(log: PersistedLog): string {
+  const contexts = log.content.trimEnd().split('\n').flatMap((line) => {
+    const event = JSON.parse(line) as {
+      type?: string
+      data?: { source?: { kind?: string; plugin?: string }; content?: Array<{ type?: string; text?: unknown }> }
+    }
+    if (event.type !== 'user/message'
+      || event.data?.source?.kind !== 'plugin'
+      || event.data.source.plugin !== '@deepseek-ai/dsh-system-prompt') return []
+    return event.data.content?.flatMap(block => block.type === 'text' && typeof block.text === 'string' ? [block.text] : []) ?? []
+  })
+  if (contexts.length !== 1) throw new Error(`session log has ${String(contexts.length)} runtime-context snapshots; expected one`)
+  return contexts[0] as string
+}
+
 function contextOf(logs: readonly { content: string; header: Record<string, unknown> }[], cwd: string): NormalizeContext {
   return {
     sessionIds: logs.flatMap(log => typeof log.header.id === 'string' ? [log.header.id] : []),
@@ -360,6 +390,15 @@ describe('TypeScript SDK snapshots over the jsonrpc runtime', () => {
         if (parent === undefined) throw new Error(`${scenario.name} has no parent session log`)
         expect(assembledToolRequirements(parent)).toEqual(scenario.expectedTools)
       }
+      if (scenario.policyContext !== undefined) {
+        const parent = ordered[0]
+        if (parent === undefined) throw new Error(`${scenario.name} has no parent session log`)
+        const context = assembledPolicyContext(parent)
+        for (const clause of scenario.policyContext.includes) expect(context).toContain(clause)
+        for (const clause of scenario.policyContext.excludes) expect(context).not.toContain(clause)
+        const system = assembledSystem(parent)
+        for (const clause of scenario.policyContext.includes) expect(system).not.toContain(clause)
+      }
       if (scenario.children > 0) {
         expect(notifications.some(n => n.method === 'subagent.started')).toBe(true)
         expect(notifications.some(n => n.method === 'subagent.finished')).toBe(true)
diff --git a/examples/mcp-memory/README.i18n.yaml b/examples/mcp-memory/README.i18n.yaml
new file mode 100644
index 0000000000..def44e65e3
--- /dev/null
+++ b/examples/mcp-memory/README.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write examples/mcp-memory/README.md
+README.md: b5dd7ffc4ad248d38e108d9aa28c7c26e0c76913
+README.zh.md: 1249ae40bb344fc81836cb49d71dd5656457b1b3
diff --git a/examples/mcp-memory/README.md b/examples/mcp-memory/README.md
new file mode 100644
index 0000000000..b5dd7ffc4a
--- /dev/null
+++ b/examples/mcp-memory/README.md
@@ -0,0 +1,113 @@
+# Third-party memory MCP examples
+
+English | [中文](README.zh.md)
+
+These three **default-off reference configurations** connect one memory system to DSH through [`@deepseek-ai/dsh-mcp-client`](../../packages/mcp/mcp-client/README.md). Pick one, or copy the same generic MCP row for another server.
+
+These third-party configurations are provided as interoperability examples only. Their inclusion does not imply endorsement, recommendation, partnership, or ongoing support by DeepSeek.
+
+## What DSH does
+
+DSH parses the selected Cordis overlay, starts a configured stdio command or connects to a configured Streamable HTTP URL, discovers MCP tools, and exposes them as `mcp__<serverName>__<tool>`. DSH does **not** download the server, initialize its database, choose its model or embedding provider, create a cloud account, migrate vendor data, or supervise a separate HTTP service. For stdio, the generic client launches and stops the child with the DSH plugin lifecycle; for HTTP, the upstream service must already be running.
+
+The stdio bridge deliberately removes ambient credential-shaped and `DSH_*` variables before launching a child; other ambient variables remain inherited. Each example adds only the baseline override it needs. If an optional upstream feature needs another secret, add that variable to the row's `config.env` instead of putting the secret directly in YAML.
+
+## Choose one
+
+| System | Tested pin | Transport | Upstream prerequisite |
+|---|---:|---|---|
+| [Memorix](https://github.com/AVIDS2/memorix) | `memorix@1.3.0` (`500792cad3144142293bfbb20acb4841c9f7fcfa`) | stdio | Node 22.18+ and `npm install --global memorix@1.3.0` |
+| [MCP Reference Memory](https://github.com/modelcontextprotocol/servers/tree/main/src/memory) | `@modelcontextprotocol/server-memory@2026.7.4` (`6dd0a683e198783e30feabf7abaf42f925bd18b1`) | stdio | `npm install --global @modelcontextprotocol/server-memory@2026.7.4` |
+| [Engram](https://github.com/Gentleman-Programming/engram) | `v1.20.0` (`ba9e46ced152c37a7cb9e576153c41995873e2fc`) | stdio | Go 1.25.10+ and `go install github.com/Gentleman-Programming/engram/cmd/engram@v1.20.0`, or the matching release binary |
+
+## Enable one
+
+Pass one overlay to DSH:
+
+```sh
+dsh --config "$PWD/examples/mcp-memory/memorix.cordis.yml"
+```
+
+Replace the filename with `mcp-reference-memory.cordis.yml` or `engram.cordis.yml`. The path may point to a copied file anywhere on disk. No memory server is present in the shipped composition, so omitting `--config` keeps all three disabled.
+
+Without a repository checkout, download the selected overlay directly:
+
+```sh
+mkdir -p "${DSH_HOME:-$HOME/.dsh}"
+curl --fail --location \
+  --output "${DSH_HOME:-$HOME/.dsh}/memory.cordis.yml" \
+  https://raw.githubusercontent.com/deepseek-harness/deepseek-harness/master/examples/mcp-memory/memorix.cordis.yml
+dsh --config "${DSH_HOME:-$HOME/.dsh}/memory.cordis.yml"
+```
+
+Replace `memorix.cordis.yml` in the URL with either of the other filenames to select it. Review a downloaded overlay before running it: Cordis configuration can contain executable `!!js` expressions.
+
+To keep the selection in personal configuration, merge the chosen file's single `insert` patch into `$DSH_HOME/config.yaml` (normally `~/.dsh/config.yaml`). Do not copy over an existing file: it may already contain unrelated personal patches.
+
+## Provider setup
+
+### Memorix
+
+```sh
+npm install --global memorix@1.3.0
+dsh --config "$PWD/examples/mcp-memory/memorix.cordis.yml"
+```
+
+Memorix works in local heuristic mode without an LLM or embedding service. Configure optional providers in Memorix's own `~/.memorix/config.toml` or project `memorix.toml`. The example keeps Memorix's Git-project identity from the DSH working directory and uses Memorix's own `~/.memorix/data` default. Set `MEMORIX_DATA_DIR` before starting DSH to override it.
+
+### MCP Reference Memory
+
+```sh
+npm install --global @modelcontextprotocol/server-memory@2026.7.4
+dsh --config "$PWD/examples/mcp-memory/mcp-reference-memory.cordis.yml"
+```
+
+This reference server stores a local knowledge graph and exposes entity, relation, observation, read, search, and open tools. It needs no model or embedding service. The example stores its JSONL at `$HOME/.dsh-mcp-reference-memory.jsonl` instead of the installed npm package directory. Set `MEMORY_FILE_PATH` before starting DSH to override it.
+
+Search is case-insensitive substring matching over entity names, types, and observations, not semantic retrieval. The server does not add embeddings, automatic summarization, conflict resolution, or a forgetting policy.
+
+### Engram
+
+```sh
+go install github.com/Gentleman-Programming/engram/cmd/engram@v1.20.0
+dsh --config "$PWD/examples/mcp-memory/engram.cordis.yml"
+```
+
+Engram owns storage and project selection: it uses `~/.engram` by default, detects the Git project from the DSH working directory, and accepts `ENGRAM_DATA_DIR` or `ENGRAM_PROJECT` as ambient overrides.
+
+## Optional shared model instruction
+
+Add this short, vendor-neutral instruction to your existing model instructions if the server's tool descriptions do not trigger memory use reliably:
+
+> When the user asks you to remember something, call a memory write tool. When historical information may be relevant, search memory and use relevant results.
+
+This is additive guidance only. The examples do not replace DSH's system-prompt persona.
+
+## Verify write, fresh-session recall, and use
+
+Use one unique value and keep the provider's storage scope unchanged throughout:
+
+1. In DSH session A, ask: `Remember that my validation drink is lapsang-<unique suffix>.` Confirm the model called the provider's write tool and the tool returned success.
+2. Create DSH session B in the same running Host. Do not copy session A's conversation. Ask: `What is my validation drink? Check memory.` Confirm the model called the provider's search or recall tool and returned the value.
+3. Still in session B, ask: `Use that preference to suggest one drink for the meeting.` Confirm the answer uses the recalled value.
+
+A new DSH session is required; a Host restart is not. Restart or HMR is needed only after an MCP child crashes because the current generic client does not auto-reconnect; its tool registrations remain until plugin disposal or a successful re-sync, and calls can fail against the closed transport. Initial discovery is asynchronous, so wait for the provider's `mcp__...` tools before sending the first validation prompt.
+
+## Bring another MCP server
+
+Copy the same generic shape and use a unique `id` and `serverName`:
+
+```yaml
+- insert:
+    - id: memory-my-server
+      name: '@deepseek-ai/dsh-mcp-client'
+      config:
+        serverName: my-memory
+        transport: stdio
+        command: my-memory-mcp
+        args: []
+        env: {}
+        cwd: !!js process.cwd()
+```
+
+For a remote server, use `transport: streamable-http`, `url`, and `headers` instead. Provider-specific installation, identity, authentication, models, embeddings, persistence, and licensing remain the provider's responsibility.
diff --git a/examples/mcp-memory/README.zh.md b/examples/mcp-memory/README.zh.md
new file mode 100644
index 0000000000..1249ae40bb
--- /dev/null
+++ b/examples/mcp-memory/README.zh.md
@@ -0,0 +1,113 @@
+# 第三方记忆 MCP 示例
+
+[English](README.md) | 中文
+
+这三份**默认关闭的参考配置** 通过 [`@deepseek-ai/dsh-mcp-client`](../../packages/mcp/mcp-client/README.md) 将一个记忆系统连接到 DSH。请选择其中一份，或复制相同的通用 MCP 配置项来连接其他服务器。
+
+这些第三方配置仅作为互操作参考；收录不代表 DeepSeek 的认可、推荐、合作关系或持续支持承诺。
+
+## DSH 负责什么
+
+DSH 解析选中的 Cordis overlay，启动已配置的 stdio 命令或连接已配置的 Streamable HTTP URL，发现 MCP 工具，并以 `mcp__<serverName>__<tool>` 的形式公开这些工具。DSH **不负责** 下载服务器、初始化其数据库、选择模型或 embedding 提供方、创建云端账户、迁移提供方数据，也不监管独立的 HTTP 服务。对于 stdio，通用客户端会随 DSH 插件生命周期启动和停止子进程；对于 HTTP，上游服务必须已经运行。
+
+stdio 桥接器在启动子进程前会主动移除环境中名称类似凭据的变量和 `DSH_*` 变量；其余环境变量仍会继承。每份示例仅添加其基线所需的覆盖项。如果某个可选的上游功能还需要其他密钥，请将该变量添加到配置项的 `config.env`，不要把密钥直接写进 YAML。
+
+## 选择一个
+
+| 系统 | 已测试版本 | 传输方式 | 上游前置条件 |
+|---|---:|---|---|
+| [Memorix](https://github.com/AVIDS2/memorix) | `memorix@1.3.0`（`500792cad3144142293bfbb20acb4841c9f7fcfa`） | stdio | Node 22.18+，并执行 `npm install --global memorix@1.3.0` |
+| [MCP Reference Memory](https://github.com/modelcontextprotocol/servers/tree/main/src/memory) | `@modelcontextprotocol/server-memory@2026.7.4`（`6dd0a683e198783e30feabf7abaf42f925bd18b1`） | stdio | `npm install --global @modelcontextprotocol/server-memory@2026.7.4` |
+| [Engram](https://github.com/Gentleman-Programming/engram) | `v1.20.0`（`ba9e46ced152c37a7cb9e576153c41995873e2fc`） | stdio | Go 1.25.10+，并执行 `go install github.com/Gentleman-Programming/engram/cmd/engram@v1.20.0`，或安装匹配的发布版二进制文件 |
+
+## 启用一个
+
+将一份 overlay 传给 DSH：
+
+```sh
+dsh --config "$PWD/examples/mcp-memory/memorix.cordis.yml"
+```
+
+请将文件名替换为 `mcp-reference-memory.cordis.yml` 或 `engram.cordis.yml`。该路径可以指向磁盘任意位置的一份复制文件。交付组合不包含任何记忆服务器，因此不传 `--config` 就会让这三项全部保持关闭。
+
+如果本地没有仓库 checkout，可直接下载所选 overlay：
+
+```sh
+mkdir -p "${DSH_HOME:-$HOME/.dsh}"
+curl --fail --location \
+  --output "${DSH_HOME:-$HOME/.dsh}/memory.cordis.yml" \
+  https://raw.githubusercontent.com/deepseek-harness/deepseek-harness/master/examples/mcp-memory/memorix.cordis.yml
+dsh --config "${DSH_HOME:-$HOME/.dsh}/memory.cordis.yml"
+```
+
+若要选择另外任一配置，请将 URL 中的 `memorix.cordis.yml` 替换为对应文件名。运行下载的 overlay 前，请先审阅其内容：Cordis 配置可以包含可执行的 `!!js` 表达式。
+
+如果要把所选配置保存在个人配置中，请将对应文件中的单个 `insert` patch 合并到 `$DSH_HOME/config.yaml`（通常是 `~/.dsh/config.yaml`）。不要覆盖已有文件，其中可能已经包含无关的个人 patch。
+
+## 提供方设置
+
+### Memorix
+
+```sh
+npm install --global memorix@1.3.0
+dsh --config "$PWD/examples/mcp-memory/memorix.cordis.yml"
+```
+
+Memorix 无需 LLM（大语言模型）或 embedding 服务，即可在本地启发式模式下运行。请在 Memorix 自己的 `~/.memorix/config.toml` 或项目 `memorix.toml` 中配置可选提供方。该示例沿用 DSH 工作目录中的 Git 项目标识，并使用 Memorix 自身的默认目录 `~/.memorix/data`。若要覆盖该目录，请在启动 DSH 前设置 `MEMORIX_DATA_DIR`。
+
+### MCP Reference Memory
+
+```sh
+npm install --global @modelcontextprotocol/server-memory@2026.7.4
+dsh --config "$PWD/examples/mcp-memory/mcp-reference-memory.cordis.yml"
+```
+
+该参考服务器存储本地知识图谱，并公开实体、关系、观察、读取、搜索和打开工具。它不需要模型或 embedding 服务。该示例将 JSONL 存储在 `$HOME/.dsh-mcp-reference-memory.jsonl`，而不是已安装的 npm 包（package）目录中。若要覆盖该路径，请在启动 DSH 前设置 `MEMORY_FILE_PATH`。
+
+搜索只对实体名称、类型和 observation 进行不区分大小写的子字符串匹配，不是语义检索。该服务器不提供 embedding、自动摘要、冲突消解或遗忘策略。
+
+### Engram
+
+```sh
+go install github.com/Gentleman-Programming/engram/cmd/engram@v1.20.0
+dsh --config "$PWD/examples/mcp-memory/engram.cordis.yml"
+```
+
+Engram 负责存储和项目选择：它默认使用 `~/.engram`，从 DSH 工作目录检测 Git 项目，并接受 `ENGRAM_DATA_DIR` 或 `ENGRAM_PROJECT` 作为环境覆盖项。
+
+## 可选的共用模型指令
+
+如果服务器的工具描述无法可靠触发记忆使用，请将以下简短、与提供方无关的指令添加到你现有的模型指令中：
+
+> 用户要求记住时调用写入工具；涉及历史信息时，主动检索并使用相关记忆。
+
+这只是附加指导。示例不会替换 DSH 系统提示词中的 persona。
+
+## 验证写入、新会话召回和使用
+
+请在整个过程中使用一个唯一值，并保持提供方的存储范围不变：
+
+1. 在 DSH 会话 A 中提出：`Remember that my validation drink is lapsang-<unique suffix>.`。确认模型调用了提供方的写入工具，并且工具返回成功。
+2. 在同一个仍在运行的 Host 中创建 DSH 会话 B。不要复制会话 A 的对话。提出：`What is my validation drink? Check memory.`。确认模型调用了提供方的搜索或召回工具，并返回该值。
+3. 继续在会话 B 中提出：`Use that preference to suggest one drink for the meeting.`。确认回答使用了召回的值。
+
+必须新建 DSH 会话，但不需要重启 Host。只有 MCP 子进程崩溃后才需要重启或执行 HMR（热模块替换），因为当前的通用客户端不会自动重连；其工具注册会一直保留到插件完成资源释放或成功重新同步，针对已关闭传输的调用可能失败。初始发现过程是异步的，因此发送第一条验证提示词前，请等待提供方的 `mcp__...` 工具出现。
+
+## 接入其他 MCP 服务器
+
+复制相同的通用结构，并使用唯一的 `id` 和 `serverName`：
+
+```yaml
+- insert:
+    - id: memory-my-server
+      name: '@deepseek-ai/dsh-mcp-client'
+      config:
+        serverName: my-memory
+        transport: stdio
+        command: my-memory-mcp
+        args: []
+        env: {}
+        cwd: !!js process.cwd()
+```
+
+对于远程服务器，请改用 `transport: streamable-http`、`url` 和 `headers`。提供方专属的安装、身份、认证、模型、embedding、持久化和许可仍由提供方负责。
diff --git a/examples/mcp-memory/engram.cordis.yml b/examples/mcp-memory/engram.cordis.yml
new file mode 100644
index 0000000000..018df88b6f
--- /dev/null
+++ b/examples/mcp-memory/engram.cordis.yml
@@ -0,0 +1,11 @@
+# Opt-in reference for Engram 1.20.0. Install the pinned `engram` executable
+# first; storage and project selection remain Engram-owned.
+- insert:
+    - id: memory-engram
+      name: '@deepseek-ai/dsh-mcp-client'
+      config:
+        serverName: engram
+        transport: stdio
+        command: engram
+        args: [mcp]
+        cwd: !!js process.cwd()
diff --git a/examples/mcp-memory/mcp-reference-memory.cordis.yml b/examples/mcp-memory/mcp-reference-memory.cordis.yml
new file mode 100644
index 0000000000..d89fbe2673
--- /dev/null
+++ b/examples/mcp-memory/mcp-reference-memory.cordis.yml
@@ -0,0 +1,13 @@
+# Opt-in reference for @modelcontextprotocol/server-memory 2026.7.4. Install
+# the pinned executable first; DSH starts it but does not run a package manager.
+- insert:
+    - id: memory-mcp-reference
+      name: '@deepseek-ai/dsh-mcp-client'
+      config:
+        serverName: reference_memory
+        transport: stdio
+        command: mcp-server-memory
+        cwd: !!js process.cwd()
+        env:
+          MEMORY_FILE_PATH: !!js >-
+            process.env.MEMORY_FILE_PATH?.trim() || process.getBuiltinModule('node:path').join(process.getBuiltinModule('node:os').homedir(), '.dsh-mcp-reference-memory.jsonl')
diff --git a/examples/mcp-memory/memorix.cordis.yml b/examples/mcp-memory/memorix.cordis.yml
new file mode 100644
index 0000000000..c993581eae
--- /dev/null
+++ b/examples/mcp-memory/memorix.cordis.yml
@@ -0,0 +1,11 @@
+# Opt-in reference for Memorix 1.3.0. Install the pinned `memorix` executable
+# first; DSH starts it but does not run a package manager.
+- insert:
+    - id: memory-memorix
+      name: '@deepseek-ai/dsh-mcp-client'
+      config:
+        serverName: memorix
+        transport: stdio
+        command: memorix
+        args: [serve]
+        cwd: !!js process.cwd()
diff --git a/examples/web-cordis/cordis.yml b/examples/web-cordis/cordis.yml
index 4cd96e396f..ff857643f4 100644
--- a/examples/web-cordis/cordis.yml
+++ b/examples/web-cordis/cordis.yml
@@ -12,7 +12,10 @@
   config:
     host: 127.0.0.1
     port: 3081
-    distIndex: !!js "new URL('./apps/web/dist/index.html', 'file://' + process.cwd() + '/').pathname"
+    # Plain concatenation, not URL.pathname: a cwd with spaces
+    # percent-encodes through the URL round-trip and the encoded
+    # path never resolves.
+    distIndex: !!js "process.cwd() + '/apps/web/dist/index.html'"
 
 - insert:
     - id: tool-cordis
diff --git a/knip.json b/knip.json
index f5379c8c6e..99b152738d 100644
--- a/knip.json
+++ b/knip.json
@@ -622,7 +622,9 @@
         "tests/**/*.spec.ts",
         "tests/**/*.e2e.ts",
         "tests/**/*.snapshot.ts",
-        "tests/fixtures/tui-scripted-llm.ts"
+        "tests/fixtures/tui-scripted-llm.ts",
+        "tests/fixtures/composition-echo-llm.ts",
+        "tests/fixtures/composition-settled.ts"
       ],
       "project": [
         "src/**/*.ts",
diff --git a/lefthook.yml b/lefthook.yml
index 1a4e004842..bdab57a9a3 100644
--- a/lefthook.yml
+++ b/lefthook.yml
@@ -18,6 +18,16 @@ pre-commit:
       run: node_modules/.bin/tsx scripts/run-oxlint.ts --fix --no-error-on-unmatched-pattern {staged_files}
       stage_fixed: true
 
+    # Regenerate rather than reject: a dependency edit that forgot the notices
+    # would otherwise fail the test lane long after the commit. The glob matches
+    # every input the generator reads, including the generator itself and the
+    # build-time pin source. Deleting a manifest cannot trigger this job —
+    # lefthook only inspects files present on disk — so that one case still
+    # falls through to the freshness assertion in the test lane.
+    - name: third-party notices (staged)
+      glob: '{package.json,*/package.json,*/*/package.json,*/*/*/package.json,*/*/*/*/package.json,pnpm-workspace.yaml,*/*/pnpm-workspace.yaml,pnpm-lock.yaml,vendor/README.md,python/*/pyproject.toml,scripts/gen-third-party-notices.ts,scripts/build-exe-for-python-sdk.ts}'
+      run: node_modules/.bin/tsx scripts/gen-third-party-notices.ts && git add THIRD_PARTY_NOTICES.md
+
     - name: whitespace (staged)
       run: git diff --cached --check
 
diff --git a/package.json b/package.json
index fc315cb146..a5f76a0612 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,7 @@
     "test:snapshot:refresh": "DSH_SNAPSHOT=refresh vitest run --config vitest.snapshot.config.ts",
     "migrate:packed-session-fixtures": "tsx scripts/migrate-packed-session-fixtures.ts",
     "test:web": "npm run build && npm run test:web:built",
+    "test:web:refresh": "npm run build && DSH_SNAPSHOT=refresh vitest run --config vitest.web.config.ts",
     "test:web:built": "vitest run --config vitest.web.config.ts",
     "test:gui": "vitest run packages/client packages/host",
     "check:all": "tsx scripts/run-gates.ts check-all",
@@ -91,6 +92,8 @@
     "verify-doc-graphs": "tsx scripts/gen-doc-graphs.ts --check",
     "gen-persistence-catalog": "tsx scripts/gen-persistence-catalog.ts",
     "verify-persistence-catalog": "tsx scripts/gen-persistence-catalog.ts --check",
+    "gen-third-party-notices": "tsx scripts/gen-third-party-notices.ts",
+    "verify-third-party-notices": "tsx scripts/gen-third-party-notices.ts --check",
     "gen-module-graph": "tsx scripts/gen-module-graph.ts",
     "gen-scoped-events": "tsx scripts/gen-scoped-events.ts",
     "verify-scoped-events": "tsx scripts/gen-scoped-events.ts --check",
@@ -119,6 +122,7 @@
     "@types/jsdom": "^28.0.3",
     "@types/mdast": "^4.0.4",
     "@types/node": "^22.20.0",
+    "@types/spdx-expression-parse": "^4.0.0",
     "@typescript-eslint/parser": "8.61.0",
     "@vitest/coverage-v8": "^4.1.8",
     "@yarnpkg/cli-dist": "4.17.1",
@@ -139,6 +143,8 @@
     "oxlint": "1.76.0",
     "oxlint-tsgolint": "7.0.2001",
     "publint": "^0.3.21",
+    "smol-toml": "^1.7.1",
+    "spdx-expression-parse": "^5.0.0",
     "tsdown": "^0.22.2",
     "tsx": "^4.22.4",
     "typescript": "^6.0.3",
diff --git a/packages/bash/bash-sandbox/README.i18n.yaml b/packages/bash/bash-sandbox/README.i18n.yaml
index e4e294b001..640eb1810f 100644
--- a/packages/bash/bash-sandbox/README.i18n.yaml
+++ b/packages/bash/bash-sandbox/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/bash/bash-sandbox/README.md
-README.md: ca77a9c626784b29145712535d69de4afbd3a697
-README.zh.md: 4ecc8d533f7af373bdacd133d44a8def6d265868
+README.md: 035a8ad2401ca608d264049d454359eda7b2b9a7
+README.zh.md: cee27a9baaa539ba07eb1d730ea9bef2004fbeeb
diff --git a/packages/bash/bash-sandbox/README.md b/packages/bash/bash-sandbox/README.md
index ca77a9c626..035a8ad240 100644
--- a/packages/bash/bash-sandbox/README.md
+++ b/packages/bash/bash-sandbox/README.md
@@ -18,7 +18,7 @@ Semantics:
 
 - **Denials are result facts.** A failed run whose stderr carries the selected backend's own denial dialect — the signatures the provider stamps on every wrap (EROFS text under bwrap, EACCES under Landlock, EPERM under Seatbelt) — is reported as `BashRunResult.sandbox.denied: true` (conservative classification, read from the collected stderr tail); every CONFINED run also carries the mode it executed under (`result.sandbox.mode`) and the provider's enforcement completeness (`result.sandbox.enforcement`: `full`, or `partial` on an older Landlock ABI).
 - **Runner failures are sandbox failures, never command failures.** Foreground execution throws `SANDBOX_UNAVAILABLE`; a settled background process stamps `process.sandbox.runnerFailed`, which the bash producer renders through generic `task_output`. Spawn failures also pass through settlement, so confined background handles retain their mode/enforcement facts and release per-process accounting.
-- **Deployment fallback, per-call policy.** [`ctx.sandboxPolicy`](../../sandbox/sandbox-policy/) resolves a complete `SandboxExecutionPolicy` for every tool call: the calling session supplies its mode override and immutable cwd root, while deployment config supplies the fallbacks for agentless calls. An approved escalation changes only that policy's mode; its session root stays attached. `resolve()` carries the policy onto the spec, so overlapping commands from different projects run, classify, and report under their own roots and modes. The capability fact `ctx.bash.sandboxMode` reports the configured default so the tool layer advertises escalation only when this executor is mounted. The model learns of the sandbox only through result facts — the static bash tool description explains the denial marker; there is no current-mode statement in the system prompt.
+- **Deployment fallback, per-call policy.** [`ctx.sandboxPolicy`](../../sandbox/sandbox-policy/) resolves a complete `SandboxExecutionPolicy` for every tool call: the calling session supplies its mode override and immutable cwd root, while deployment config supplies the fallbacks for agentless calls. An approved escalation changes only that policy's mode; its session root stays attached. `resolve()` carries the policy onto the spec, so overlapping commands from different projects run, classify, and report under their own roots and modes. The capability fact `ctx.bash.sandboxMode` reports the configured default so the tool layer advertises escalation only when this executor is mounted; the static bash tool description separately owns denial and escalation guidance.
 - **File effects only.** Network and process visibility are deliberately not restricted — the mode vocabulary does not pretend to cover what the backend does not enforce.
 - Process mechanics (spawn, process-group kills, output collection/spill, background handles, credential scrub) are inherited from [`dsh-bash-local`](../bash-local/); runner selection lives in [`dsh-sandbox-local`](../../sandbox/sandbox-local/).
 
@@ -44,15 +44,15 @@ The keyless consumer-integration proofs are `tests/bwrap.e2e.ts`, `tests/landloc
 
 #### What the model sees
 
-The generated [`dsh-tool-bash` schemas](../../../docs/tool-catalog.md#deepseek-aidsh-tool-bash) are the baseline. By advertising a confining `sandboxMode`, this backend augments `bash` with `sandbox_permissions` using enum `workspace-write` | `danger-full-access` and with `justification`. The backend adds no prompt prose, and the session's effective mode remains unstated.
+The generated [`dsh-tool-bash` schemas](../../../docs/tool-catalog.md#deepseek-aidsh-tool-bash) are the baseline. By advertising a confining `sandboxMode`, this backend augments `bash` with `sandbox_permissions` using enum `workspace-write` | `danger-full-access` and with `justification`. The policy owner separately contributes the current capability-neutral `sandbox:policy` context.
 
 #### Token effect
 
-Small fixed schema increment on requests where `bash` is visible; mode switches add no context tokens.
+Small fixed schema increment on requests where `bash` is visible, plus the current-policy clause owned by `dsh-sandbox-policy`.
 
 #### KV Cache effect
 
-Prefix-stable while the executor advertises the same sandbox capabilities. Changing those capabilities alters the `bash` schema and may invalidate reuse from that definition; per-session mode switches do not.
+A standing-policy change appends a complete owner-rendered context snapshot after retained history, preserving the existing system/history prefix byte-for-byte. Changing executor capabilities alters the `bash` schema.
 
 ### Bash tool result, indirectly
 
diff --git a/packages/bash/bash-sandbox/README.zh.md b/packages/bash/bash-sandbox/README.zh.md
index 4ecc8d533f..cee27a9baa 100644
--- a/packages/bash/bash-sandbox/README.zh.md
+++ b/packages/bash/bash-sandbox/README.zh.md
@@ -18,7 +18,7 @@
 
 - **拒绝是结果事实。** 如果一次失败运行的 stderr 包含所选后端自身的拒绝方言，即提供方在每次包装时加上的特征（bwrap 下的 EROFS 文本、Landlock 下的 EACCES、Seatbelt 下的 EPERM），则结果报告 `BashRunResult.sandbox.denied: true`（从已收集的 stderr 尾部进行保守分类）。每次受限制运行还会携带执行时模式（`result.sandbox.mode`）与提供方强制执行完整性（`result.sandbox.enforcement`：`full`，或在较旧 Landlock ABI 上为 `partial`）。
 - **Runner 失败是沙箱失败，绝不是命令失败。** 前台执行会抛出 `SANDBOX_UNAVAILABLE`；已结算的后台进程会标记 `process.sandbox.runnerFailed`，Bash 结果生成方通过通用 `task_output` 渲染它。spawn 失败也会经过结算，因此受限制的后台句柄会保留自身的模式／强制执行事实，并释放每进程计数。
-- **部署回退，每次调用策略。** [`ctx.sandboxPolicy`](../../sandbox/sandbox-policy/) 为每次工具调用解析完整的 `SandboxExecutionPolicy`：调用会话提供自身的模式覆盖与不可变 cwd 根目录，部署配置则为无 agent（智能体）调用提供回退。已批准的升权只更改该策略的模式，会话根目录仍然附着其上。`resolve()` 把策略带入 spec，因此来自不同项目的重叠命令会在各自的根目录与模式下运行、分类和报告。能力事实 `ctx.bash.sandboxMode` 报告已配置的默认值，因此工具层只在装载该执行器时才公布升权。模型只能通过结果事实了解沙箱：静态 bash 工具描述会解释拒绝标记，系统提示词中不会声明当前模式。
+- **部署回退，每次调用策略。** [`ctx.sandboxPolicy`](../../sandbox/sandbox-policy/) 为每次工具调用解析完整的 `SandboxExecutionPolicy`：调用会话提供自身的模式覆盖与不可变 cwd 根目录，部署配置则为无 agent（智能体）调用提供回退。已批准的升权只更改该策略的模式，会话根目录仍然附着其上。`resolve()` 把策略带入 spec，因此来自不同项目的重叠命令会在各自的根目录与模式下运行、分类和报告。能力事实 `ctx.bash.sandboxMode` 报告已配置的默认值，因此工具层只在装载该执行器时才公布升权；静态 bash 工具描述则单独负责拒绝与升级引导。
 - **只限制文件影响。** 设计上不限制网络与进程可见性：模式词汇不会声称覆盖后端未强制执行的范围。
 - 进程机制（spawn、进程组终止、输出收集／spill、后台句柄、凭证清理）继承自 [`dsh-bash-local`](../bash-local/)；runner 选择位于 [`dsh-sandbox-local`](../../sandbox/sandbox-local/)。
 
@@ -44,15 +44,15 @@
 
 #### 模型看到的内容
 
-基线是生成的 [`dsh-tool-bash` schema](../../../docs/tool-catalog.md#deepseek-aidsh-tool-bash)。通过公布表明启用隔离的 `sandboxMode` 能力，此后端会为 `bash` 增加 `sandbox_permissions`，其 enum 为 `workspace-write` | `danger-full-access`，并增加 `justification`。后端不添加提示词文本，会话的有效模式仍不会声明。
+基线是生成的 [`dsh-tool-bash` schema](../../../docs/tool-catalog.md#deepseek-aidsh-tool-bash)。通过公布表明启用隔离的 `sandboxMode` 能力，此后端会为 `bash` 增加 `sandbox_permissions`，其 enum 为 `workspace-write` | `danger-full-access`，并增加 `justification`。策略归属方会另行贡献当前且不区分具体能力的 `sandbox:policy` 上下文。
 
 #### Token 影响
 
-在 `bash` 可见的请求上，schema 固定增加少量内容；模式切换不增加上下文 token。
+在 `bash` 可见的请求上，schema 固定增加少量内容，另有一条由 `dsh-sandbox-policy` 负责的当前策略子句。
 
 #### KV Cache 影响
 
-执行器持续公布相同沙箱能力时，前缀保持稳定。更改这些能力会改变 `bash` schema，可能使从该定义起的复用失效；每会话模式切换不会导致失效。
+常驻策略变化会在保留的历史之后追加一份由归属方渲染的完整上下文快照，并使既有 system/history 前缀保持逐字节不变。更改执行器能力会改变 `bash` schema。
 
 ### 间接的 Bash 工具结果
 
diff --git a/packages/bash/bash-sandbox/src/index.ts b/packages/bash/bash-sandbox/src/index.ts
index 3945809fa9..f46bad4006 100644
--- a/packages/bash/bash-sandbox/src/index.ts
+++ b/packages/bash/bash-sandbox/src/index.ts
@@ -21,7 +21,7 @@ import { classifyDenial, classifyRunnerFailure, matchesSignature, shellQuote } f
  * Plugin config: the local executor's knobs, verbatim. The sandbox policy —
  * the default mode and fallback `workspace-write` root — is NOT here: it lives
  * on `ctx.sandboxPolicy` (`@deepseek-ai/dsh-sandbox-policy`), which resolves
- * each calling session's mode and cwd for both enforcing families. The runner
+ * each calling session's mode and cwd for every enforcing capability. The runner
  * choice is likewise the `ctx.sandbox` provider's config, not this executor's.
  */
 export type Config = LocalConfig
@@ -30,8 +30,8 @@ export type Config = LocalConfig
  * Registers as `ctx.bash` in place of the local executor and requires a
  * `ctx.sandbox` provider plus `ctx.sandboxPolicy`; the tool layer is
  * unchanged. Tool calls pass the calling session's resolved policy; direct
- * calls fall back to deployment policy. The prompt does not state the standing
- * mode; `result.sandbox` reports the mode and enforcement actually used.
+ * calls fall back to deployment policy. `result.sandbox` reports the mode and
+ * enforcement actually used.
  */
 export class SandboxBashExecutor extends LocalBashExecutor {
   static override inject = ['subprocess', 'sandbox', 'sandboxPolicy']
diff --git a/packages/bash/tool-bash/README.i18n.yaml b/packages/bash/tool-bash/README.i18n.yaml
index 676c935cbd..9d53b52d02 100644
--- a/packages/bash/tool-bash/README.i18n.yaml
+++ b/packages/bash/tool-bash/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/bash/tool-bash/README.md
-README.md: deb6b899c81cb8c335b4c1cffdde4797e0a8be92
-README.zh.md: c2514308fb9f234e6d191a6b1a821ac3d195378b
+README.md: 29b9fba369e1fc6a4b8bb7bdd6543b7678df627d
+README.zh.md: 31f691f7bfb8d2cb905751663151c3f6a6bc6c57
diff --git a/packages/bash/tool-bash/README.md b/packages/bash/tool-bash/README.md
index deb6b899c8..29b9fba369 100644
--- a/packages/bash/tool-bash/README.md
+++ b/packages/bash/tool-bash/README.md
@@ -71,7 +71,7 @@ Escalating bash calls resolve `ctx.approval` before execution. `allowed-once` ap
 
 ## Per-session mode switching
 
-For sandboxing executors, each call resolves mode as one-shot escalation, then session override, then executor default. Non-sandboxing and agent-less calls carry no session override. Neither the prompt nor a switch notice announces the standing mode; denial results report the effective mode when the boundary matters. See the [`dsh-bash` fold](../bash/README.md) and [sandbox switching contract](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md).
+For sandboxing executors, each call resolves mode as one-shot escalation, then session override, then executor default. Non-sandboxing and agent-less calls carry no session override. The policy owner contributes the current capability-neutral standing mode; denial results still own the operation-specific effective mode and retry guidance. See the [`dsh-bash` fold](../bash/README.md) and [sandbox switching contract](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md).
 
 ## Model Experience
 
@@ -79,7 +79,7 @@ For sandboxing executors, each call resolves mode as one-shot escalation, then s
 
 #### What the model sees
 
-Every request in this plugin's registration scope contains the bash guidance below. A sandboxing executor adds no mode statement or switch notice. Scoped tool restrictions can hide the schemas without removing this independently registered section.
+Every request in this plugin's registration scope contains the bash guidance below. The policy owner contributes current sandbox state through its cache-safe runtime context rather than changing this section. Scoped tool restrictions can hide the schemas without removing this independently registered section.
 
 ##### Bash guidance
 
diff --git a/packages/bash/tool-bash/README.zh.md b/packages/bash/tool-bash/README.zh.md
index c2514308fb..31f691f7bf 100644
--- a/packages/bash/tool-bash/README.zh.md
+++ b/packages/bash/tool-bash/README.zh.md
@@ -71,7 +71,7 @@ overlay 根据当前 `ToolExecution` 计算，并通过专用的 `BashExecReques
 
 ## 逐会话模式切换
 
-对于启用沙箱的执行器，每次调用依次按单次升权、会话覆盖、执行器默认值解析模式。未启用沙箱以及没有 agent 的调用不携带会话覆盖。提示词和切换通知均不公布当前常驻模式；拒绝结果会在边界相关时报告有效模式。参见 [`dsh-bash` 整合](../bash/README.md)和[沙箱切换契约](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md)。
+对于启用沙箱的执行器，每次调用依次按单次升权、会话覆盖、执行器默认值解析模式。未启用沙箱以及没有 agent 的调用不携带会话覆盖。策略归属方贡献当前且不区分具体能力的常驻模式；拒绝结果仍负责操作特定的有效模式与重试引导。参见 [`dsh-bash` 整合](../bash/README.md)和[沙箱切换契约](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md)。
 
 ## 模型体验
 
@@ -79,7 +79,7 @@ overlay 根据当前 `ToolExecution` 计算，并通过专用的 `BashExecReques
 
 #### 模型看到的内容
 
-此插件注册作用域内的每个请求都包含下方 bash 指引。启用沙箱的执行器不会添加模式声明或切换通知。作用域工具限制可以隐藏 schema，但不会移除这个独立注册的段落。
+此插件注册作用域内的每个请求都包含下方 bash 指引。策略归属方通过自身的缓存安全运行时上下文贡献当前沙箱状态，而不改变此段落。作用域工具限制可以隐藏 schema，但不会移除这个独立注册的段落。
 
 ##### Bash 指引
 
diff --git a/packages/bash/tool-bash/src/index.ts b/packages/bash/tool-bash/src/index.ts
index f8cece2862..311548b520 100644
--- a/packages/bash/tool-bash/src/index.ts
+++ b/packages/bash/tool-bash/src/index.ts
@@ -376,7 +376,6 @@ export function apply(ctx: Context, config: Config = {}): void {
   if (defaultMode !== undefined && sandboxPolicy === undefined) {
     throw new Error('tool-bash: the mounted bash executor confines but ctx.sandboxPolicy is missing')
   }
-
   /** Resolve the complete standing policy for this call when a confining executor is mounted. */
   const resolveSandboxPolicy = (exec: ToolExecution): SandboxExecutionPolicy | undefined =>
     sandboxPolicy?.resolve(exec.agent === undefined ? {} : { session: exec.agent.session })
diff --git a/packages/client/connection/README.i18n.yaml b/packages/client/connection/README.i18n.yaml
index 70657d55d7..974e3014d6 100644
--- a/packages/client/connection/README.i18n.yaml
+++ b/packages/client/connection/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/connection/README.md
-README.md: d2fda9f15125915594259e01e5b153609ceb21bb
-README.zh.md: 669ae760693b4d98ee873ee5fe323554f58e7ca5
+README.md: c8b7c4787cbcbf6a202fb944459a589fcadd7c8d
+README.zh.md: 693420183ffa4fb20e1fecbff523a12261a45d45
diff --git a/packages/client/connection/README.md b/packages/client/connection/README.md
index d2fda9f151..c8b7c4787c 100644
--- a/packages/client/connection/README.md
+++ b/packages/client/connection/README.md
@@ -10,7 +10,7 @@ The node half guards every request under `/api` before bridging (`src/api-reques
 
 ## Keyless fixture
 
-Any `fixture` query parameter selects the in-memory carrier. `fixture=empty` starts with no Workspace or Session; `fixturePrompt=reject` rejects prompts before acceptance; `fixtureAttach=fail` publishes a Session but rejects its Workspace attachment; `fixtureSessionCreate=drop-response` publishes and frames a Session before dropping the create response; and `fixtureFrames=workspace-first` reverses the default session-first create-frame order. Workspace creation by name/path and caller-preallocated SessionIds remain deterministic enough for assembled Web tests to reconcile list and frame arrival.
+Any `fixture` query parameter selects the in-memory carrier. `fixture=empty` starts with no Workspace or Session; `fixturePrompt=reject` rejects prompts before acceptance; `fixtureAttach=fail` publishes a Session but rejects its Workspace attachment; `fixtureSessionCreate=drop-response` publishes and frames a Session before dropping the create response; and `fixtureFrames=workspace-first` reverses the default session-first create-frame order. Workspace creation by name/path and caller-preallocated SessionIds remain deterministic enough for assembled Web tests to reconcile list and frame arrival. Fixture content search preserves the production-facing `unicode61`-style case, diacritic, and token-phrase behavior and returns a match-centered snippet of at most 120 Unicode code points.
 
 ## Model Experience
 
diff --git a/packages/client/connection/README.zh.md b/packages/client/connection/README.zh.md
index 669ae76069..693420183f 100644
--- a/packages/client/connection/README.zh.md
+++ b/packages/client/connection/README.zh.md
@@ -10,7 +10,7 @@ node 半侧在桥接前守卫 `/api` 下的每个请求（`src/api-request-trust
 
 ## 无密钥 fixture
 
-任何 `fixture` 查询参数都会选择内存载体。`fixture=empty` 启动时不含 Workspace 或 Session；`fixturePrompt=reject` 在接受前拒绝提示词；`fixtureAttach=fail` 发布 Session 但拒绝将其附加到 Workspace；`fixtureSessionCreate=drop-response` 在丢弃创建响应前发布 Session 并为其发出帧；`fixtureFrames=workspace-first` 则反转默认的 Session 优先创建帧顺序。按名称／路径创建 Workspace 以及由调用方预先分配 SessionId，均具有足够的确定性，组装后的 Web 测试可以据此协调列表与帧的到达。
+任何 `fixture` 查询参数都会选择内存载体。`fixture=empty` 启动时不含 Workspace 或 Session；`fixturePrompt=reject` 在接受前拒绝提示词；`fixtureAttach=fail` 发布 Session 但拒绝将其附加到 Workspace；`fixtureSessionCreate=drop-response` 在丢弃创建响应前发布 Session 并为其发出帧；`fixtureFrames=workspace-first` 则反转默认的 Session 优先创建帧顺序。按名称／路径创建 Workspace 以及由调用方预先分配 SessionId，均具有足够的确定性，组装后的 Web 测试可以据此协调列表与帧的到达。fixture 内容搜索会保留面向生产环境的 `unicode61` 式大小写、变音符号和 token／短语行为，并返回以匹配位置为中心、最多包含 120 个 Unicode 码点的 snippet。
 
 ## 模型体验
 
diff --git a/packages/client/connection/src/client/api.ts b/packages/client/connection/src/client/api.ts
index 053cbd0e03..7fe011cc9c 100644
--- a/packages/client/connection/src/client/api.ts
+++ b/packages/client/connection/src/client/api.ts
@@ -1,12 +1,12 @@
 // Central contract re-export point: every contract import inside
 // web-runtime goes through this single file.
-// Types are type-only imports from the apiproxy api/ layer (zero Node deps, browser-safe);
-// the only runtime values are the RpcId constructor and the AbstractApiClient seam.
+// Types and runtime protocol helpers/bounds come from the apiproxy api/ layer
+// (zero Node deps, browser-safe); AbstractApiClient is the client seam.
 // NEVER import the package root: it drags bootHost/cordis into the browser bundle.
 // The ./api and ./client subpath exports are the browser-safe channels added for this.
 
 export type {
-  ApiProxy, SessionsApi, SessionSummary, HostApi, EventsApi, MuxFrame, HostFrame,
+  ApiProxy, SessionsApi, SessionSearchItem, SessionSummary, HostApi, EventsApi, MuxFrame, HostFrame,
   ApprovalResponsePayload, QuestionResponsePayload, HistoryEntry, ToolEventView,
   DirectoryEntry, DirectoryListing,
   WorkspaceApi, WorkspaceId, WorkspaceView,
@@ -25,7 +25,11 @@ export type {
 // transportError moved down to the apiproxy api layer (it belongs beside
 // RpcResult, its subject); re-exported here so connection consumers keep one
 // contract entry point.
-export { RpcId, transportError } from '@deepseek-ai/dsh-host-apiproxy/api'
+export {
+  RpcId,
+  SESSION_SEARCH_RESULT_LIMIT,
+  transportError,
+} from '@deepseek-ai/dsh-host-apiproxy/api'
 export { AbstractApiClient } from '@deepseek-ai/dsh-host-apiproxy/client'
 export type { IApiClient } from '@deepseek-ai/dsh-host-apiproxy/client'
 export type { SessionId, SessionEvent } from '@deepseek-ai/dsh-session/types'
diff --git a/packages/client/connection/src/client/fixture.ts b/packages/client/connection/src/client/fixture.ts
index 41a8ae6b3e..abcf75cba4 100644
--- a/packages/client/connection/src/client/fixture.ts
+++ b/packages/client/connection/src/client/fixture.ts
@@ -15,6 +15,7 @@ import type {
   AssistantMessage,
   ContentBlock,
   MessageSource,
+  TokenUsage,
   ToolResultMessage,
   UserMessage,
 } from '@deepseek-ai/dsh-llm'
@@ -26,13 +27,14 @@ import type {
 // Type-only: the brand constructor is host-side; the fixture casts at its
 // wire-fabrication boundary (the schema layer's one-cast-point posture).
 import type { CommandId } from '@deepseek-ai/dsh-commands/brand'
+import { foldSurface } from '@deepseek-ai/dsh-session/surface'
 import type {
   ApiProxy, ClientRequest, ClientResponse, HistoryEntry, HostFrame, MuxFrame, RpcReceipt,
   ModelProviderGroup, ModelTarget, RpcRequest, RpcResponse, RpcResult, ServerRequest, ServerResponse, SessionSummary,
   ToolCallView, ToolEventView, ToolResultView, WorkspaceId, WorkspaceView,
 } from './api.ts'
 import type { RequestPayload, ResponseValue, RpcMethodMap } from '@deepseek-ai/dsh-host-apiproxy/api'
-import { AbstractApiClient, RpcId } from './api.ts'
+import { AbstractApiClient, RpcId, SESSION_SEARCH_RESULT_LIMIT } from './api.ts'
 
 /** The fake carrier mints like a real one (business code never mints). */
 function rpcRequest<P>(payload: P): RpcRequest<P> {
@@ -136,6 +138,144 @@ const TERMINAL_EXIT_STATUS: Record<string, { exitCode: number } | { signal: stri
   [TERMINAL_OUTPUT_FIXTURE]: { exitCode: 1 },
 }
 
+/**
+ * Structured grep result for the search sample (turn 66): matches grouped by
+ * file, authored inline because the client-side fixture cannot import the tool
+ * that produces the canonical value. `truncated` with a larger `total` than the
+ * retained match count exercises the search card's capped indicator; the file
+ * with more than CHAT_SEARCH_MAX_LINES rows exercises its head/tail height cap.
+ */
+const SEARCH_MATCHES_FIXTURE: { path: string; matches: { lineNumber: number; line: string }[] }[] = [
+  {
+    path: 'packages/client/ui-primitives/src/SearchBlock.tsx',
+    matches: [
+      { lineNumber: 16, line: 'export const DEFAULT_SEARCH_MAX_LINES = 16' },
+      { lineNumber: 138, line: 'export function SearchBlock(props: SearchBlockProps) {' },
+      { lineNumber: 141, line: '  const [collapsed, setCollapsed] = useState<ReadonlySet<number>>(() => new Set())' },
+    ],
+  },
+  {
+    path: 'packages/client/ui-conversation/src/client/contract/search-card-model.ts',
+    matches: [
+      { lineNumber: 24, line: 'export const CHAT_SEARCH_MAX_LINES = 8' },
+      { lineNumber: 60, line: 'export function searchCardModel(block: ToolCallBlock): SearchCardModel | null {' },
+    ],
+  },
+  {
+    path: 'packages/client/ui-conversation/src/client/toolviews/search-row.tsx',
+    matches: [
+      { lineNumber: 33, line: 'export function SearchRow({ toolName, block, inspect, t }: SearchRowProps) {' },
+      { lineNumber: 35, line: '  const search = searchCardModel(block)' },
+      { lineNumber: 52, line: '      search={search}' },
+      { lineNumber: 73, line: "    ctx.slots.register({ name: 'conversation.chat.toolview', key: 'grep', locale: NS }, SearchRow)" },
+    ],
+  },
+]
+
+/**
+ * The model-facing grep render text for the sample — what a UI without a search
+ * card shows, attached as the view's `content`. Mirrors the real grep
+ * presenter's shape (see formatGrepOutput in dsh-tool-fs-search): a
+ * `Found X of Y matches` header, the matches grouped under file headers with
+ * `Line N:` rows, then a spill-recovery footer.
+ */
+const SEARCH_MATCHES_TEXT = [
+  'Found 9 of 42 matches',
+  '',
+  ...SEARCH_MATCHES_FIXTURE.map(file =>
+    [file.path, ...file.matches.map(m => `Line ${m.lineNumber}: ${m.line}`)].join('\n')),
+  '',
+  '(Full grep result stored at: fixture://spill/grep-66. Read it to see every match.)',
+].join('\n')
+
+/**
+ * Structured glob result for the search sample (turn 67): a flat path list,
+ * truncated with a larger `total` so the path card shows its capped indicator.
+ */
+const SEARCH_PATHS_FIXTURE = [
+  'packages/client/ui-primitives/src/SearchBlock.tsx',
+  'packages/client/ui-primitives/src/SearchBlock.module.css',
+  'packages/client/ui-conversation/src/client/contract/search-card-model.ts',
+  'packages/client/ui-conversation/src/client/toolviews/search-row.tsx',
+  'packages/client/ui-conversation/tests/search-card.spec.tsx',
+]
+
+/**
+ * The model-facing glob render text — the newline-joined path list plus a
+ * spill-recovery footer, mirroring the real glob presenter's shape (see
+ * formatGlobOutput in dsh-tool-fs-search).
+ */
+const SEARCH_PATHS_TEXT = [
+  ...SEARCH_PATHS_FIXTURE,
+  '',
+  '(Showing 5 of 23 paths. Full sorted result stored at: fixture://spill/glob-67. Read it to see every path.)',
+].join('\n')
+
+/**
+ * Read-card sample for the read turn: a WINDOW past an offset, so the line
+ * numbers start above 1 (the card's gutter keeps the file's own numbering) and
+ * `totalLines` exceeds the window (the card shows a "showing N of M" note). The
+ * fixture is client-side and cannot import the read tool, so the structured
+ * window is authored inline exactly as the tool would project it through
+ * `presentationMeta`. `lang` is a `ts` hint so the shiki path highlights it.
+ */
+const READ_SAMPLE_FIRST_LINE = 41
+const READ_SAMPLE_SOURCE = [
+  'export interface ReadBlockProps {',
+  '  label?: string | undefined',
+  '  lines: readonly ReadBlockLine[]',
+  '  totalLines: number',
+  '  lang?: string | undefined',
+  '  maxLines?: number | undefined',
+  '  className?: string | undefined',
+  '}',
+  '',
+  '// A windowed read keeps the file line numbers in the gutter.',
+  'const marker = "fixture read sample"',
+]
+const READ_SAMPLE_LINES = READ_SAMPLE_SOURCE.map((text, index) => ({ number: READ_SAMPLE_FIRST_LINE + index, text }))
+const READ_SAMPLE_PATH = 'packages/client/ui-primitives/src/ReadBlock.tsx'
+const READ_SAMPLE_TOTAL = 180
+const READ_SAMPLE_TEXT = READ_SAMPLE_SOURCE.map((text, index) => `${READ_SAMPLE_FIRST_LINE + index}: ${text}`).join('\n')
+
+/**
+ * The structured `web_search` result view for the web-search turn, authored inline
+ * because this client-side fixture cannot import the web tool that projects it.
+ * The sources exercise the citation list's features: a titled source with a
+ * snippet and a date, a source with no title (its hostname labels the link) and
+ * a snippet but no date, and a source with a title and a date but no snippet.
+ * `truncated` marks the capped indicator. The shape is the contract's own
+ * search view minus its wire discriminants.
+ */
+const WEB_SEARCH_RESULT: Omit<Extract<ToolResultView, { card: 'web'; kind: 'search' }>, 'card' | 'kind'> = {
+  answer: 'DeepSeek Harness is a plugin-based agent harness on vendored Cordis where **every capability is a plugin**.',
+  sources: [
+    {
+      url: 'https://github.com/deepseek-ai/deepseek-harness',
+      title: 'DeepSeek Harness — plugin-based agent harness',
+      snippet: 'Everything is a plugin: session, tools, agent-loop, and LLM adapters all mount on the same Cordis context.',
+      publishedAt: '2026-07-01',
+    },
+    {
+      url: 'https://www.deepseek.com/blog/harness-architecture',
+      snippet: 'The capability-seam pattern splits each capability into interface, implementation, and consumer packages.',
+    },
+    {
+      url: 'https://docs.deepseek.com/harness/plugins',
+      title: 'Writing a harness plugin',
+      publishedAt: '2026-06-15',
+    },
+  ],
+  truncated: true,
+}
+
+/** The `web_fetch` result view for the web-fetch turn, authored inline for the same reason. */
+const WEB_FETCH_RESULT: Omit<Extract<ToolResultView, { card: 'web'; kind: 'fetch' }>, 'card' | 'kind'> = {
+  url: 'https://www.deepseek.com/blog/harness-architecture',
+  statusCode: 200,
+  truncated: false,
+}
+
 const DEEPSEEK_REASONING = {
   efforts: [
     { id: 'off', name: 'Off' },
@@ -188,6 +328,16 @@ function sid(id: string): SessionId {
   return id as SessionId
 }
 
+/** Deterministic provider billing attached to fixture assistant messages. */
+function fixtureUsage(turn: number, step: number): TokenUsage {
+  return {
+    inputTokens: 20 + turn % 5,
+    outputTokens: 8 + step,
+    cacheReadTokens: turn === 0 ? 0 : 80,
+    cacheWriteTokens: turn % 10 === 0 ? 4 : 0,
+  }
+}
+
 /** fx-alpha history script: 60 turns (~130+ messages -> 3 pages at PAGE_MESSAGES=50),
  *  mixing reasoning blocks / tool call+result / steering / context. */
 function buildAlphaLog(): SessionEvent[] {
@@ -195,7 +345,17 @@ function buildAlphaLog(): SessionEvent[] {
   let time = Date.now() - 3_600_000
   const push = (e: Record<string, unknown>): number => {
     const seq = events.length
-    events.push({ seq, time: (time += 800), ...e })
+    const data = e['data'] as Record<string, unknown> | undefined
+    const authored = e['type'] === 'assistant/message' && data !== undefined
+      ? {
+        ...e,
+        data: {
+          ...data,
+          usage: fixtureUsage(data['turn'] as number, data['step'] as number),
+        },
+      }
+      : e
+    events.push({ seq, time: (time += 800), ...authored })
     return seq
   }
   for (let turn = 0; turn < 60; turn++) {
@@ -261,6 +421,13 @@ function buildAlphaLog(): SessionEvent[] {
   toolTurn(61, 'fx-write', '{"path":"notes/demo.txt","content":"hello fixture\\n"}', 'wrote notes/demo.txt')
   toolTurn(62, 'edit', '{"file_path":"notes/demo.txt","old_string":"hello","new_string":"hello fixture"}', '已编辑')
   toolTurn(63, 'write', '{"file_path":"notes/new-demo.txt","content":"hello fixture\\n"}', '已写入')
+  // Turn 67: a multi-hunk edit — two scattered replacements in one file. Named
+  // `edit` so it lands on the keyed FileMutationRow (the resident diff card the
+  // single-hunk turn 62 also uses), and file_path `src/config.ts` is the marker
+  // the presenter reads to emit the two-hunk sample: the card draws one path
+  // header, the first hunk, a `⋯` gap, then the second (the same-file
+  // second-hunk arm turns 62/63 cannot reach).
+  toolTurn(67, 'edit', '{"file_path":"src/config.ts","old_string":"const timeout = 30","new_string":"const timeout = 60"}', '已编辑')
   // Turn 64: one run_code turn with three logged sub-dispatches — the Code
   // Mode acceptance surface (parent code row + nested native-identical rows,
   // including an isError sub-call and a bash sub-call that must hit the same
@@ -269,8 +436,8 @@ function buildAlphaLog(): SessionEvent[] {
     const turn = 64
     const callId = `fx-call-${turn}`
     const program = 'const listing = await tools.bash({ command: "ls notes", description: "List notes" })\n'
-      + 'const demo = await tools.read({ path: "notes/demo.txt" })\n'
-      + 'await tools.read({ path: "notes/missing.txt" }).catch(() => "tolerated")\n'
+      + 'const demo = await tools.read({ file_path: "notes/demo.txt" })\n'
+      + 'await tools.read({ file_path: "notes/missing.txt" }).catch(() => "tolerated")\n'
       + 'return { listing, demo }'
     const args = JSON.stringify({ code: program, description: 'Read the notes files and summarize' })
     push({ type: 'turn/start', data: { turn } })
@@ -295,8 +462,8 @@ function buildAlphaLog(): SessionEvent[] {
       })
     }
     dispatchPair(1, 'bash', { command: 'ls notes', description: 'List notes' }, 'demo.txt\nnew-demo.txt')
-    dispatchPair(2, 'read', { path: 'notes/demo.txt' }, 'hello fixture\n')
-    dispatchPair(3, 'read', { path: 'notes/missing.txt' }, 'Error: ENOENT: notes/missing.txt not found', true)
+    dispatchPair(2, 'read', { file_path: 'notes/demo.txt' }, 'hello fixture\n')
+    dispatchPair(3, 'read', { file_path: 'notes/missing.txt' }, 'Error: ENOENT: notes/missing.txt not found', true)
     push({
       type: 'tool/result', surfaceOp: 'append',
       data: { turn, step: 0, message: toolResultMessage(callId, text('{"listing":"demo.txt\\nnew-demo.txt","demo":"hello fixture\\n"}'), false) },
@@ -304,7 +471,7 @@ function buildAlphaLog(): SessionEvent[] {
     push({ type: 'step/end', data: { turn, step: 0 } })
     push({ type: 'turn/end', data: { turn, reason: { kind: 'completed' } } })
   }
-  // Turn 65: todo_write sample — the TodoRow toolview in the flow plus the
+  // Turn 67: todo_write sample — the TodoRow toolview in the flow plus the
   // todo/write snapshot event feeding the TodoPanel plan strip.
   const fixtureTodos = [
     { content: '梳理需求', status: 'completed' },
@@ -325,8 +492,43 @@ function buildAlphaLog(): SessionEvent[] {
   // strip empty and take the todo surfaces' own coverage with it.
   toolTurn(65, 'bash', '{"command":"pnpm run check","cwd":"/tmp/fixture/deep/nested"}', TERMINAL_OUTPUT_FIXTURE)
 
+  // Turns 66-67: the search card's two shapes. `grep` emits a `card: 'search'`
+  // `shape: 'matches'` result view (grouped-by-file matches, truncated with a
+  // larger `total`), `glob` emits `shape: 'paths'` (a flat path list, likewise
+  // truncated). Both ride the keyed SearchRow registration under their own
+  // names; the render-site fallback row is covered by the model derivation
+  // tests, since every fixture search tool has a keyed row. Ordered before the
+  // todo turn for the same standing-plan reason the bash turn is.
+  toolTurn(66, 'grep', '{"pattern":"SEARCH_MAX_LINES","path":"packages/client"}', SEARCH_MATCHES_TEXT)
+  toolTurn(67, 'glob', '{"pattern":"**/SearchBlock*","path":"packages/client"}', SEARCH_PATHS_TEXT)
+
+  // Turn 68: the read sample — a WINDOW past an offset so the card draws file
+  // line numbers starting above 1 and a "showing N of M" note (the window is
+  // shorter than READ_SAMPLE_TOTAL), with a `ts` language hint the shiki path
+  // highlights. Named `read`, so it exercises the keyed ReadRow registration.
+  // The render-site fallback ROW SHAPE (a read call on the generic flattened
+  // path) is covered by the turn 64 run_code read sub-dispatches, which
+  // session.ts folds with resultView: null; the fallback-row + read-CARD
+  // combination is pinned by the web_fetch case in read-card.spec.tsx, not by
+  // this fixture. The read render intent is result-side only, so its pending
+  // call stays a generic `kind: 'read'` card; presentResult carries the
+  // structured window.
+  toolTurn(68, 'read', `{"file_path":${JSON.stringify(READ_SAMPLE_PATH)},"offset":${READ_SAMPLE_FIRST_LINE}}`, READ_SAMPLE_TEXT)
+
+  // Turns 69-70: the web render intent — a web_search whose result view carries
+  // structured sources plus an answer (the citation list, one source lacking a
+  // title so its hostname labels the link, the capped indicator on), and a
+  // web_fetch whose result view carries the fetched URL and its HTTP status.
+  // Both keep a generic pending call view and add the `web` card only at
+  // result time, which is the contract's result-only web shape. Named after
+  // the real tools so they hit the keyed WebRow registration. Ordered BEFORE
+  // the todo turn for the same reason turn 65 is: the standing plan retires at
+  // the next turn/start, so a turn after it would empty the dock's plan strip.
+  toolTurn(69, 'web_search', '{"query":"deepseek harness architecture"}', 'Search results for deepseek harness architecture.')
+  toolTurn(70, 'web_fetch', '{"url":"https://www.deepseek.com/blog/harness-architecture"}', '# Harness architecture\n\nEverything is a plugin.')
+
   const todoArgs = JSON.stringify({ todos: fixtureTodos })
-  toolTurn(66, 'todo_write', todoArgs, 'Updated todo list: 1 pending, 1 in progress, 1 completed.')
+  toolTurn(71, 'todo_write', todoArgs, 'Updated todo list: 1 pending, 1 in progress, 1 completed.')
   // The real tool appends the snapshot mid-execution — between tool/call and
   // tool/result — so the fixture reproduces that exact ordering (the last
   // toolTurn events run ... tool/call, tool/result, step/end, turn/end).
@@ -361,10 +563,47 @@ function presentCall(name: string, argsRaw: string): ToolCallView | undefined {
         card: 'diff', title: `Write ${str(args.path)}`,
         diffs: [{ path: str(args.path), oldText: null, newText: str(args.content) }],
       }
+    // A read pending call is a GENERIC card (kind: 'read', a follow-along
+    // location): the read render intent is result-side only, because a call
+    // carries no file content until execute returns. The rich read card arrives
+    // in presentResult.
+    case 'read':
+      return { card: 'generic', title: `Read ${str(args.file_path)}`, kind: 'read', locations: [{ path: str(args.file_path) }] }
     case 'edit':
-      return { card: 'generic', title: `Edit ${str(args.file_path)}`, kind: 'edit', rawInput: args }
+      // The multi-hunk sample (turn 67) is keyed on its file_path, so the two
+      // scattered hunks share one path header and the card draws the `⋯` gap.
+      if (str(args.file_path) === 'src/config.ts') {
+        return {
+          card: 'diff', title: `Edit ${str(args.file_path)}`,
+          diffs: [
+            { path: str(args.file_path), oldText: 'const timeout = 30', newText: 'const timeout = 60' },
+            { path: str(args.file_path), oldText: 'retries: 1', newText: 'retries: 3' },
+          ],
+        }
+      }
+      return {
+        card: 'diff', title: `Edit ${str(args.file_path)}`,
+        diffs: [{ path: str(args.file_path), oldText: str(args.old_string), newText: str(args.new_string) }],
+      }
     case 'write':
-      return { card: 'generic', title: `Write ${str(args.file_path)}`, kind: 'edit', rawInput: args }
+      return {
+        card: 'diff', title: `Write ${str(args.file_path)}`,
+        diffs: [{ path: str(args.file_path), oldText: null, newText: str(args.content) }],
+      }
+    // A search call stays a generic card (kind: 'search'): the structured
+    // matches/paths exist only after execute, so the search card is result-time
+    // only (presentResult builds it). This mirrors the real grep/glob presenters.
+    case 'grep':
+      return { card: 'generic', title: `Grep ${str(args.pattern)}`, kind: 'search', rawInput: args }
+    case 'glob':
+      return { card: 'generic', title: `Glob ${str(args.pattern)}`, kind: 'search', rawInput: args }
+    // The web tools keep a GENERIC pending card and add the `web` result card
+    // only at result time (the contract's result-only web shape); their pending
+    // kind matches the result kind so a call and its result read as one category.
+    case 'web_search':
+      return { card: 'generic', title: `Search ${str(args.query)}`, kind: 'search', rawInput: args }
+    case 'web_fetch':
+      return { card: 'generic', title: `Fetch ${str(args.url)}`, kind: 'fetch', rawInput: args }
     default:
       return undefined // echo et al: the documented no-view fallback path
   }
@@ -373,6 +612,39 @@ function presentCall(name: string, argsRaw: string): ToolCallView | undefined {
 function presentResult(name: string, argsRaw: string, resultText: string): ToolResultView | undefined {
   const call = presentCall(name, argsRaw)
   if (call === undefined) return undefined
+  // Search is result-time only: the call stays a generic search card, and the
+  // result view carries the structured shape the card renders. The view holds no
+  // result text — a UI without a search card falls back to the raw tool/result
+  // content — so the truncation recovery footer rides that raw content (the
+  // `toolTurn` message text), not the view. `total` exceeds the retained count so
+  // the card shows its capped indicator.
+  if (name === 'grep') {
+    return { card: 'search', shape: 'matches', files: SEARCH_MATCHES_FIXTURE, truncated: true, total: 42 }
+  }
+  if (name === 'glob') {
+    return { card: 'search', shape: 'paths', paths: SEARCH_PATHS_FIXTURE, truncated: true, total: 23 }
+  }
+  // The read result is the structured window the tool projects through
+  // `presentationMeta`; the fixture authors it inline (it cannot import the
+  // tool). Keyed on the name because the read pending call is a generic card,
+  // so `call.card` alone does not distinguish it from edit/write.
+  if (name === 'read') {
+    return {
+      card: 'read', path: READ_SAMPLE_PATH, offset: READ_SAMPLE_FIRST_LINE, lines: READ_SAMPLE_LINES,
+      totalLines: READ_SAMPLE_TOTAL, lang: 'ts', content: text(resultText),
+    }
+  }
+  // The web tools keep a generic pending card, so their result card is chosen
+  // by tool name rather than by the pending card tag: the structured `web` card
+  // the frontend consumes. The view carries no `content` copy (per the contract
+  // and the web-result-card note); a capability-less UI falls back to the raw
+  // `tool/result` content, which this fixture emits from `resultText`.
+  if (name === 'web_search') {
+    return { card: 'web', kind: 'search', ...WEB_SEARCH_RESULT }
+  }
+  if (name === 'web_fetch') {
+    return { card: 'web', kind: 'fetch', ...WEB_FETCH_RESULT }
+  }
   switch (call.card) {
     case 'terminal':
       // The sample's own exit status, authored beside it: re-parsing the
@@ -476,6 +748,113 @@ function permissionSelectOf(
   }
 }
 
+interface FixtureTokenUsageProjection {
+  uncachedInputTokens: number
+  outputTokens: number
+  cacheReadTokens: number
+  cacheWriteTokens: number
+}
+
+interface FixtureUsageSample {
+  turn: number
+  step: number
+  usage: TokenUsage
+}
+
+/** Read one provider usage sample from either durable carrier. */
+function usageSampleOf(event: SessionEvent): FixtureUsageSample | undefined {
+  const item = event as unknown as {
+    type: string
+    data: {
+      turn?: number
+      step?: number
+      usage?: TokenUsage
+      chunk?: { type?: string; usage?: TokenUsage }
+    }
+  }
+  const usage = item.type === 'assistant/chunk' && item.data.chunk?.type === 'usage'
+    ? item.data.chunk.usage
+    : item.type === 'assistant/message'
+      ? item.data.usage
+      : undefined
+  return usage === undefined || item.data.turn === undefined || item.data.step === undefined
+    ? undefined
+    : { turn: item.data.turn, step: item.data.step, usage }
+}
+
+/** Fixture parallel of token-meter's last-sample-replacing usage projection. */
+function tokenUsageOf(log: readonly SessionEvent[]): FixtureTokenUsageProjection {
+  const totals: FixtureTokenUsageProjection = {
+    uncachedInputTokens: 0,
+    outputTokens: 0,
+    cacheReadTokens: 0,
+    cacheWriteTokens: 0,
+  }
+  let last: {
+    turn: number
+    step: number
+    buckets: FixtureTokenUsageProjection
+  } | null = null
+  for (const event of log) {
+    const sample = usageSampleOf(event)
+    if (sample === undefined) continue
+    const buckets: FixtureTokenUsageProjection = {
+      uncachedInputTokens: sample.usage.inputTokens,
+      outputTokens: sample.usage.outputTokens,
+      cacheReadTokens: sample.usage.cacheReadTokens ?? 0,
+      cacheWriteTokens: sample.usage.cacheWriteTokens ?? 0,
+    }
+    const previous = last?.turn === sample.turn && last.step === sample.step
+      ? last.buckets
+      : undefined
+    totals.uncachedInputTokens += buckets.uncachedInputTokens - (previous?.uncachedInputTokens ?? 0)
+    totals.outputTokens += buckets.outputTokens - (previous?.outputTokens ?? 0)
+    totals.cacheReadTokens += buckets.cacheReadTokens - (previous?.cacheReadTokens ?? 0)
+    totals.cacheWriteTokens += buckets.cacheWriteTokens - (previous?.cacheWriteTokens ?? 0)
+    last = { turn: sample.turn, step: sample.step, buckets }
+  }
+  return totals
+}
+
+interface FixtureRequestContext {
+  provider: string
+  model: string
+  contextWindow?: number
+}
+
+/** Latest log-only route context, or undefined before any request ran. */
+function lastRequestContext(
+  log: readonly SessionEvent[],
+): FixtureRequestContext | undefined {
+  const event = log.findLast(item => (item as { type: string }).type === 'request/context')
+  return event === undefined
+    ? undefined
+    : (event as unknown as { data: FixtureRequestContext }).data
+}
+
+/**
+ * Fixture parallel of token-meter's request-pressure projection: the last
+ * provider-reported prompt size paired with the last recorded capacity. The
+ * two need not come from one request — see the token-meter README.
+ */
+function contextPressureOf(
+  log: readonly SessionEvent[],
+): { pressureTokens?: number; contextWindow?: number } {
+  let pressureTokens: number | undefined
+  for (const event of log) {
+    const sample = usageSampleOf(event)
+    if (sample === undefined) continue
+    pressureTokens = sample.usage.inputTokens
+      + (sample.usage.cacheReadTokens ?? 0)
+      + (sample.usage.cacheWriteTokens ?? 0)
+  }
+  const contextWindow = lastRequestContext(log)?.contextWindow
+  return {
+    ...pressureTokens === undefined ? {} : { pressureTokens },
+    ...contextWindow === undefined ? {} : { contextWindow },
+  }
+}
+
 function projectionValuesOf(log: readonly SessionEvent[]): Record<string, unknown> {
   const values: Record<string, unknown> = {}
   const titleEvent = log.findLast(item => (item as { type: string }).type === 'session/title')
@@ -490,12 +869,32 @@ function projectionValuesOf(log: readonly SessionEvent[]): Record<string, unknow
   values['plan'] = planViewOf(log)
   // Always present (GoalService unit composed): null before create / after clear.
   values['goal'] = backscanGoal(log)
+  // Always present (token-meter composed): full-log provider billing.
+  values['tokenUsage'] = tokenUsageOf(log)
+  // Always present (token-meter composed): last request pressure and capacity.
+  values['contextPressure'] = contextPressureOf(log)
   return values
 }
 
 /** Host push-frame parallel: emit one session/projection frame per key the given event advanced. */
 function projectionFramesOf(id: SessionId, log: readonly SessionEvent[], event: SessionEvent): Extract<MuxFrame, { type: 'session/projection' }>[] {
   const type = (event as { type: string }).type
+  // One usage sample advances both token-meter units.
+  if (usageSampleOf(event) !== undefined) {
+    return [
+      { type: 'session/projection', sessionId: id, key: 'tokenUsage', value: tokenUsageOf(log), seq: event.seq },
+      { type: 'session/projection', sessionId: id, key: 'contextPressure', value: contextPressureOf(log), seq: event.seq },
+    ]
+  }
+  if (type === 'request/context') {
+    return [{
+      type: 'session/projection',
+      sessionId: id,
+      key: 'contextPressure',
+      value: contextPressureOf(log),
+      seq: event.seq,
+    }]
+  }
   if (type === 'session/title') {
     const values = projectionValuesOf(log)
     /* v8 ignore next -- the advancing title event is in the log, so the key is present. */
@@ -575,6 +974,144 @@ function pageOf(
   return { events, hasMore: start > 0 }
 }
 
+/** Fixture mirror of first-party message extraction used by session-query. */
+function searchBlockText(block: ContentBlock): string[] {
+  switch (block.type) {
+    case 'text':
+      return [block.text]
+    case 'reasoning':
+      return []
+    case 'tool-call':
+      return [block.name, block.arguments]
+    case 'tool-result':
+      return block.content.flatMap(searchBlockText)
+    default:
+      return []
+  }
+}
+
+/** One current-surface user/assistant/steering document, if searchable. */
+function searchEventText(event: SessionEvent): string {
+  const content = event.type === 'user/message'
+    ? event.data.content
+    : event.type === 'assistant/message' || event.type === 'steering/message'
+      ? event.data.message.content
+      : undefined
+  if (content === undefined) return ''
+  return content.flatMap(searchBlockText).map(part => part.trim()).filter(Boolean).join('\n')
+}
+
+interface FixtureSearchToken {
+  value: string
+  /** Inclusive code-point offset in the whitespace-normalized display text. */
+  start: number
+  /** Exclusive code-point offset in the whitespace-normalized display text. */
+  end: number
+}
+
+/**
+ * Browser-safe approximation of SQLite FTS5 unicode61 token boundaries.
+ * Keeping phrase matching token-based prevents the development fixture from
+ * promising arbitrary within-token substring behavior that production lacks.
+ */
+function searchTokenSpans(value: string): { text: string; tokens: FixtureSearchToken[] } {
+  const text = value.replace(/\s+/gu, ' ').trim()
+  const characters = Array.from(text)
+  const tokens: FixtureSearchToken[] = []
+  let start: number | undefined
+  let raw = ''
+  const flush = (end: number): void => {
+    if (start !== undefined) {
+      const folded = raw.normalize('NFD').replace(/\p{M}+/gu, '').toLowerCase()
+      if (folded !== '') tokens.push({ value: folded, start, end })
+    }
+    start = undefined
+    raw = ''
+  }
+  for (let index = 0; index < characters.length; index++) {
+    const character = characters[index] as string
+    const tokenBase = character.normalize('NFD').replace(/\p{M}+/gu, '')
+    if (tokenBase === '') {
+      if (start !== undefined) raw += character
+      continue
+    }
+    if (/^[\p{L}\p{N}\p{Co}]+$/u.test(tokenBase)) {
+      start ??= index
+      raw += character
+    } else {
+      flush(index)
+    }
+  }
+  flush(characters.length)
+  return { text, tokens }
+}
+
+interface FixturePhraseMatch {
+  count: number
+  start: number
+  end: number
+}
+
+/** Count exact contiguous token-phrase occurrences and retain the first display span. */
+function phraseMatch(document: readonly FixtureSearchToken[], phrase: readonly string[]): FixturePhraseMatch {
+  if (phrase.length === 0 || phrase.length > document.length) return { count: 0, start: 0, end: 0 }
+  let count = 0
+  let firstStart = 0
+  let firstEnd = 0
+  for (let start = 0; start <= document.length - phrase.length; start++) {
+    if (!phrase.every((token, offset) => document[start + offset]?.value === token)) continue
+    count++
+    if (count === 1) {
+      firstStart = document[start]?.start ?? 0
+      firstEnd = document[start + phrase.length - 1]?.end ?? firstStart
+    }
+  }
+  return { count, start: firstStart, end: firstEnd }
+}
+
+/** Match-centered fixture excerpt, bounded by Unicode code points for the sidebar. */
+function searchSnippet(value: string, matchStart: number, matchEnd: number): string {
+  const characters = Array.from(value)
+  if (characters.length <= 120) return value
+  const boundedStart = Math.min(Math.max(0, matchStart), characters.length - 1)
+  const boundedEnd = Math.min(
+    characters.length,
+    Math.max(boundedStart + 1, matchEnd),
+  )
+  const center = Math.floor((boundedStart + boundedEnd) / 2)
+  let start = Math.min(
+    characters.length - 118,
+    Math.max(0, center - Math.floor(118 / 2)),
+  )
+  let end = start + 118
+  if (start === 0) {
+    end = 119
+  } else if (end === characters.length) {
+    start = characters.length - 119
+  }
+  return `${start > 0 ? '…' : ''}${characters.slice(start, end).join('')}${end < characters.length ? '…' : ''}`
+}
+
+interface FixtureSearchCandidate {
+  sessionId: SessionId
+  seq: number
+  time: number
+  text: string
+  matchCount: number
+  matchStart: number
+  matchEnd: number
+  documentLength: number
+}
+
+/** Mirrors `packages/session-query/session-query-sqlite/src/index.ts`; update both together. */
+function compareSearchCandidates(a: FixtureSearchCandidate, b: FixtureSearchCandidate): number {
+  if (a.matchCount !== b.matchCount) return b.matchCount - a.matchCount
+  if (a.documentLength !== b.documentLength) return a.documentLength - b.documentLength
+  if (a.time !== b.time) return b.time - a.time
+  if (a.sessionId !== b.sessionId) return a.sessionId < b.sessionId ? -1 : 1
+  return b.seq - a.seq
+}
+
 /**
  * Current plan projection over the full log (host parallel: latest todo/write
  * with no later turn/start; a new turn retires the previous plan).
@@ -748,6 +1285,9 @@ export function createFixtureApi(options: FixtureOptions = {}): ApiProxy {
     updatedAt: fixtureEpoch,
   }]
   let nextWorkspace = 1
+  // Registry-global archive set mirroring the host: archived sessions keep
+  // their workspace accounting slot and only grouping surfaces hide them.
+  const archivedSessionIds: SessionId[] = []
 
   // In-memory browse tree behind the fixture's `browse` picker capability —
   // deterministic content mirroring the design mock so assembled Web tests
@@ -944,6 +1484,8 @@ export function createFixtureApi(options: FixtureOptions = {}): ApiProxy {
   let failNextHistory = false
   /** Force-enders for currently open stream generators (timing hook: simulated connection loss). */
   const streamBreakers = new Set<() => void>()
+  /** Retry scenarios opened by timing hooks and completed in a later browser assertion phase. */
+  const retryScenarios = new Map<SessionId, { turn: number; stepStarted: boolean }>()
 
   // Timing-acceptance hooks (browser test backdoor): the in-memory fixture is ideally timed, which
   // is exactly what masked the open-window and reconnect-gap bugs (audit S1/S3). These let
@@ -967,6 +1509,89 @@ export function createFixtureApi(options: FixtureOptions = {}): ApiProxy {
       const messageSeqs = log.filter(event => event.type === 'user/message').map(event => event.seq)
       append(sid(id), { type: 'session/title', data: { title, messageSeqs, source: { kind: 'provider', provider: 'fixture' } } })
     },
+    /** Open one failed model step whose partial remains visible until llm/retry arrives. */
+    beginModelRetry(id: string): void {
+      const sessionId = sid(id)
+      const turn = nextTurn.get(sessionId) ?? 0
+      nextTurn.set(sessionId, turn + 1)
+      retryScenarios.set(sessionId, { turn, stepStarted: true })
+      setRunning(sessionId, true)
+      append(sessionId, { type: 'turn/start', data: { turn, trigger: { kind: 'message', source: { kind: 'user' } } } })
+      append(sessionId, { type: 'user/message', surfaceOp: 'append', data: { content: text('请重试这个请求'), source: { kind: 'user' } } })
+      append(sessionId, { type: 'step/start', data: { turn, step: 1 } })
+      append(sessionId, { type: 'assistant/chunk', data: { turn, step: 1, chunk: { type: 'block-start', index: 0, blockType: 'text' } } })
+      append(sessionId, { type: 'assistant/chunk', data: { turn, step: 1, chunk: { type: 'text-delta', index: 0, text: '应撤回的半截回复' } } })
+      append(sessionId, { type: 'step/end', data: { turn, step: 1 } })
+    },
+    /** Record one retry decision, then open the next retry turn. */
+    scheduleModelRetry(id: string, retry = 1, delayMs = 450): void {
+      const sessionId = sid(id)
+      const scenario = retryScenarios.get(sessionId)
+      if (scenario === undefined) throw new Error(`fixture: no model retry scenario for ${id}`)
+      if (!scenario.stepStarted) {
+        append(sessionId, { type: 'step/start', data: { turn: scenario.turn, step: 1 } })
+        append(sessionId, { type: 'assistant/chunk', data: { turn: scenario.turn, step: 1, chunk: { type: 'block-start', index: 0, blockType: 'text' } } })
+        append(sessionId, { type: 'assistant/chunk', data: { turn: scenario.turn, step: 1, chunk: { type: 'text-delta', index: 0, text: `第 ${String(retry)} 次应撤回的回复` } } })
+        append(sessionId, { type: 'step/end', data: { turn: scenario.turn, step: 1 } })
+        scenario.stepStarted = true
+      }
+      const failure = { code: 'TRANSPORT', message: '连接被重置' }
+      append(sessionId, {
+        type: 'llm/retry',
+        data: {
+          turn: scenario.turn, step: 1,
+          provider: 'fixture', mode: 'normal', policyKey: 'fixture-normal',
+          retry, maxRetries: 2, delayMs, failure,
+        },
+      })
+      append(sessionId, {
+        type: 'turn/end',
+        data: { turn: scenario.turn, reason: { kind: 'error', step: 1, failure } },
+      })
+      const next = nextTurn.get(sessionId) ?? scenario.turn + 1
+      nextTurn.set(sessionId, next + 1)
+      append(sessionId, { type: 'turn/start', data: { turn: next, trigger: { kind: 'retry' } } })
+      scenario.turn = next
+      scenario.stepStarted = false
+    },
+    /** Record one retry decision, then cancel its source turn before the retry starts. */
+    cancelModelRetryDuringBackoff(id: string, delayMs = 450): void {
+      const sessionId = sid(id)
+      const scenario = retryScenarios.get(sessionId)
+      if (scenario === undefined) throw new Error(`fixture: no model retry scenario for ${id}`)
+      const failure = { code: 'TRANSPORT', message: '连接被重置' }
+      append(sessionId, {
+        type: 'llm/retry',
+        data: {
+          turn: scenario.turn, step: 1,
+          provider: 'fixture', mode: 'normal', policyKey: 'fixture-normal',
+          retry: 1, maxRetries: 2, delayMs, failure,
+        },
+      })
+      append(sessionId, { type: 'turn/end', data: { turn: scenario.turn, reason: { kind: 'aborted' } } })
+      retryScenarios.delete(sessionId)
+      setRunning(sessionId, false)
+    },
+    /** Finish the timing-hook retry with a finalized response in the open retry turn. */
+    completeModelRetry(id: string): void {
+      const sessionId = sid(id)
+      const scenario = retryScenarios.get(sessionId)
+      if (scenario === undefined) throw new Error(`fixture: no model retry scenario for ${id}`)
+      retryScenarios.delete(sessionId)
+      append(sessionId, { type: 'step/start', data: { turn: scenario.turn, step: 1 } })
+      append(sessionId, {
+        type: 'assistant/message',
+        surfaceOp: 'append',
+        data: {
+          turn: scenario.turn,
+          step: 1,
+          message: assistantMessage(text('重试后的完整回复')),
+        },
+      })
+      append(sessionId, { type: 'step/end', data: { turn: scenario.turn, step: 1 } })
+      append(sessionId, { type: 'turn/end', data: { turn: scenario.turn, reason: { kind: 'completed' } } })
+      setRunning(sessionId, false)
+    },
     /** Log append WITHOUT the mux emit: a frame lost in transit — history still serves it, the client must repull. */
     appendSilent(id: string, msg: string): void {
       const log = logOf(sid(id))
@@ -991,7 +1616,16 @@ export function createFixtureApi(options: FixtureOptions = {}): ApiProxy {
       replays.delete(id)
       const done = pieces.slice(0, i).join('')
       append(id, { type: 'assistant/chunk', data: { turn, step, chunk: { type: 'block-end', index: 0, block: { type: 'text', text: done } } } })
-      append(id, { type: 'assistant/message', surfaceOp: 'append', data: { turn, step, message: assistantMessage(text(aborted ? `${done}（已中断）` : done)) } })
+      append(id, {
+        type: 'assistant/message',
+        surfaceOp: 'append',
+        data: {
+          turn,
+          step,
+          message: assistantMessage(text(aborted ? `${done}（已中断）` : done)),
+          usage: fixtureUsage(turn, step),
+        },
+      })
       append(id, { type: 'step/end', data: { turn, step } })
       append(id, { type: 'turn/end', data: { turn, reason: { kind: aborted ? 'cancelled' : 'completed' } } })
       setRunning(id, false)
@@ -1012,6 +1646,45 @@ export function createFixtureApi(options: FixtureOptions = {}): ApiProxy {
   return {
     sessions: {
       list: request => ok(request, { items: [...sessions].sort((a, b) => b.updatedAt - a.updatedAt) }),
+      search: (request, signal) => {
+        if (signal.aborted) {
+          return err(request, {
+            code: 'cancelled',
+            message: 'fixture session search was aborted',
+            details: {},
+          })
+        }
+        const query = searchTokenSpans(request.payload.query).tokens.map(token => token.value)
+        const matches = sessions.flatMap((summary) => {
+          const log = logs.get(summary.sessionId) ?? []
+          const current = new Set(foldSurface(log).nodes)
+          const best = log.flatMap((event): FixtureSearchCandidate[] => {
+            if (!current.has(event.seq)) return []
+            const eventText = searchEventText(event)
+            const document = searchTokenSpans(eventText)
+            const match = phraseMatch(document.tokens, query)
+            if (match.count === 0) return []
+            return [{
+              sessionId: summary.sessionId,
+              seq: event.seq,
+              time: event.time,
+              text: document.text,
+              matchCount: match.count,
+              matchStart: match.start,
+              matchEnd: match.end,
+              documentLength: Array.from(eventText).length,
+            }]
+          }).sort(compareSearchCandidates)[0]
+          return best === undefined ? [] : [best]
+        }).sort(compareSearchCandidates)
+        return ok(request, {
+          items: matches.slice(0, SESSION_SEARCH_RESULT_LIMIT).map(match => ({
+            sessionId: match.sessionId,
+            snippet: searchSnippet(match.text, match.matchStart, match.matchEnd),
+          })),
+          hasMore: matches.length > SESSION_SEARCH_RESULT_LIMIT,
+        })
+      },
       create: async (request) => {
         const workspace = request.payload.workspaceId === undefined
           ? undefined
@@ -1221,6 +1894,16 @@ export function createFixtureApi(options: FixtureOptions = {}): ApiProxy {
           append(id, { type: 'plan/mode', data: { active: plan.wanted } })
         }
         append(id, { type: 'user/message', surfaceOp: 'append', data: userMessage(content) })
+        // Capacity parallel of the host token-meter's request/context record:
+        // log-only, appended inside the open turn, and deduplicated against the
+        // route already recorded (the fixture never varies contextWindow).
+        const target = modelTargets.get(id) ?? { provider: 'deepseek', model: 'deepseek-v4-flash' }
+        if (lastRequestContext(logOf(id))?.model !== target.model) {
+          append(id, {
+            type: 'request/context',
+            data: { provider: target.provider, model: target.model, contextWindow: 128_000 },
+          })
+        }
         startReply(
           id,
           turn,
@@ -1293,7 +1976,10 @@ export function createFixtureApi(options: FixtureOptions = {}): ApiProxy {
       openPath: request => ok(request, { opened: true as const }),
     },
     workspace: {
-      list: request => ok(request, { items: workspaces.map(w => ({ ...w })) }),
+      list: request => ok(request, {
+        items: workspaces.map(w => ({ ...w })),
+        archivedSessionIds: [...archivedSessionIds],
+      }),
       create: (request) => {
         const { path, name } = request.payload
         const target = path ?? `/tmp/fixture-workspaces/${name ?? ''}`
@@ -1379,6 +2065,16 @@ export function createFixtureApi(options: FixtureOptions = {}): ApiProxy {
         }
         return ok(request, { workspace: { ...workspace } })
       },
+      archiveSession: (request) => {
+        const missing = requireSession(request)
+        if (missing !== undefined) return missing
+        const { sessionId } = request.payload
+        if (!archivedSessionIds.includes(sessionId)) {
+          archivedSessionIds.push(sessionId)
+          emitHost({ type: 'host/archived-sessions-changed', archivedSessionIds: [...archivedSessionIds] })
+        }
+        return ok(request, { archivedSessionIds: [...archivedSessionIds] })
+      },
     },
     commands: {
       // The catalog mirrors one session's effective view (every fixture
@@ -1716,20 +2412,30 @@ export class FixtureApiClient extends AbstractApiClient {
   protected override async callUnary<K extends keyof RpcMethodMap>(
     method: K,
     payload: RequestPayload<K>,
+    signal?: AbortSignal,
   ): Promise<RpcResponse<ResponseValue<K>>> {
     const request = rpcRequest(payload)
     const full: ClientRequest = { type: 'client-request', rpcId: request.rpcId, method, payload }
     this.onEnvelope(full)
-    const response = await this.dispatch(method, request as RpcRequest<never>) as RpcResponse<ResponseValue<K>>
+    const response = await this.dispatch(
+      method,
+      request as RpcRequest<never>,
+      signal ?? new AbortController().signal,
+    ) as RpcResponse<ResponseValue<K>>
     const fullResponse: ServerResponse = { type: 'server-response', rpcId: response.rpcId, result: response.result }
     this.onEnvelope(fullResponse)
     return response
   }
 
   /** Method-key dispatch into the in-memory contract impl (a real carrier routes by URL path instead). */
-  private dispatch(method: keyof RpcMethodMap, request: RpcRequest<never>): Promise<RpcResponse<unknown>> {
+  private dispatch(
+    method: keyof RpcMethodMap,
+    request: RpcRequest<never>,
+    signal: AbortSignal,
+  ): Promise<RpcResponse<unknown>> {
     switch (method) {
       case 'session.list': return this.api.sessions.list(request)
+      case 'session.search': return this.api.sessions.search(request, signal)
       case 'session.create': return this.api.sessions.create(request)
       case 'session.history': return this.api.sessions.history(request)
       case 'session.models': return this.api.sessions.models(request)
@@ -1749,9 +2455,9 @@ export class FixtureApiClient extends AbstractApiClient {
       case 'workspace.rename': return this.api.workspace.rename(request)
       case 'workspace.delete': return this.api.workspace.delete(request)
       case 'workspace.insertSessionBefore': return this.api.workspace.insertSessionBefore(request)
+      case 'workspace.archiveSession': return this.api.workspace.archiveSession(request)
       case 'command.list': return this.api.commands.list(request)
-      // The in-memory execute never blocks, so a never-aborting signal is faithful here.
-      case 'command.execute': return this.api.commands.execute(request, new AbortController().signal)
+      case 'command.execute': return this.api.commands.execute(request, signal)
       case 'skill.list': return this.api.skills.list(request)
       case 'goal.create': return this.api.goals.create(request)
       case 'goal.edit': return this.api.goals.edit(request)
diff --git a/packages/client/connection/src/client/index.ts b/packages/client/connection/src/client/index.ts
index f3adac4ae0..fe3d0d8b77 100644
--- a/packages/client/connection/src/client/index.ts
+++ b/packages/client/connection/src/client/index.ts
@@ -11,7 +11,7 @@ import { WebApiClient } from './web-api-client.ts'
 
 // ---- Contract re-exports (browser-safe apiproxy channels + core types) ----
 export type {
-  ApiProxy, SessionsApi, SessionSummary, HostApi, EventsApi, MuxFrame, HostFrame,
+  ApiProxy, SessionsApi, SessionSearchItem, SessionSummary, HostApi, EventsApi, MuxFrame, HostFrame,
   ApprovalResponsePayload, QuestionResponsePayload, HistoryEntry, ToolEventView,
   DirectoryEntry, DirectoryListing,
   ToolCallView, ToolResultView, WorkspaceApi, WorkspaceId, WorkspaceView,
@@ -25,7 +25,11 @@ export type {
   SettingsApi, SettingsNamespaceView, SettingsPathOpView, SettingsSecretView,
   CredentialsApi, CredentialView, ConfigurableProviderView, LlmApi,
 } from './api.ts'
-export { RpcId, AbstractApiClient, transportError } from './api.ts'
+export {
+  RpcId,
+  AbstractApiClient,
+  transportError,
+} from './api.ts'
 
 // Connection loop types are public through ConnectionHandle.start; the
 // controller remains package-internal.
diff --git a/packages/client/connection/src/index.ts b/packages/client/connection/src/index.ts
index cedc7d86e7..ed4af2d21f 100644
--- a/packages/client/connection/src/index.ts
+++ b/packages/client/connection/src/index.ts
@@ -54,6 +54,7 @@ const PRIVILEGED_METHODS = new Set([
   'settings.describe',
   'settings.update',
   'settings.replace',
+  'settings.mutate',
   'credentials.describe',
   'credentials.set',
   'credentials.unset',
diff --git a/packages/client/connection/tests/fake-api.ts b/packages/client/connection/tests/fake-api.ts
index 5524c3a20b..d599de1be7 100644
--- a/packages/client/connection/tests/fake-api.ts
+++ b/packages/client/connection/tests/fake-api.ts
@@ -4,7 +4,7 @@
 import type { CommandId } from '@deepseek-ai/dsh-commands/brand'
 import type {
   CommandDescriptor, HostFrame, IApiClient, ModelTarget, MuxFrame,
-  RpcRequest, RpcResponse, SessionId, SessionModels, SkillEntry,
+  RpcRequest, RpcResponse, SessionId, SessionModels, SessionSearchItem, SkillEntry,
 } from '../src/client/api.ts'
 import { RpcId } from '../src/client/api.ts'
 
@@ -44,6 +44,8 @@ export class FakeApiClient implements IApiClient {
 
   // Programmable slots (defaults answer OK-empty); reassign per case.
   onList: (payload: unknown) => Promise<RpcResponse<{ items: never[] }>> = () => Promise.resolve(ok({ items: [] }))
+  onSearch: (payload: unknown) => Promise<RpcResponse<{ items: SessionSearchItem[]; hasMore: boolean }>> =
+    () => Promise.resolve(ok({ items: [], hasMore: false }))
   onCreate: (payload: unknown) => Promise<RpcResponse<{ sessionId: SessionId }>> = () => Promise.resolve(ok({ sessionId: 'fk-new' as SessionId }))
   onRename: (payload: unknown) => Promise<RpcResponse<{ title: string; seq: number }>> = () => Promise.resolve(ok({ title: 'fk-renamed', seq: 0 }))
   onFork: (payload: unknown) => Promise<RpcResponse<{ sessionId: SessionId }>> = () => Promise.resolve(ok({ sessionId: 'fk-fork' as SessionId }))
@@ -87,12 +89,17 @@ export class FakeApiClient implements IApiClient {
 
   private readonly muxConns: StreamConn<MuxFrame>[] = []
   private readonly hostConns: StreamConn<HostFrame>[] = []
+  lastSearchSignal: AbortSignal | undefined
 
   // Parameter annotations below are local structural types on purpose: the CI
   // lint lane runs without built artifacts, where IApiClient's wire types
   // (apiproxy subpath) resolve to any and inferred params trip no-unsafe-argument.
   readonly sessions: IApiClient['sessions'] = {
     list: (payload: unknown) => this.record('session.list', payload, this.onList(payload)),
+    search: (payload: unknown, signal?: AbortSignal) => {
+      this.lastSearchSignal = signal
+      return this.record('session.search', payload, this.onSearch(payload))
+    },
     create: (payload: unknown) => this.record('session.create', payload, this.onCreate(payload)),
     history: (payload: { sessionId: SessionId; beforeSeq?: number; maxMessages?: number }) =>
       this.record('session.history', payload, this.onHistory(payload)),
@@ -115,7 +122,7 @@ export class FakeApiClient implements IApiClient {
   }
 
   readonly workspace: IApiClient['workspace'] = {
-    list: (payload: unknown) => this.record('workspace.list', payload, Promise.resolve(ok({ items: [] }))),
+    list: (payload: unknown) => this.record('workspace.list', payload, Promise.resolve(ok({ items: [], archivedSessionIds: [] }))),
     create: (payload: unknown) => this.record('workspace.create', payload, Promise.resolve(ok({
       workspace: { workspaceId: 'fk-ws' as never, path: '/f/ws', title: 'ws', sessionIds: [], createdAt: '0', updatedAt: '0' },
       created: true,
@@ -127,6 +134,9 @@ export class FakeApiClient implements IApiClient {
     insertSessionBefore: (payload: unknown) => this.record('workspace.insertSessionBefore', payload, Promise.resolve(ok({
       workspace: { workspaceId: 'fk-ws' as never, path: '/f/ws', title: 'ws', sessionIds: [], createdAt: '0', updatedAt: '0' },
     }))),
+    archiveSession: (payload: unknown) => this.record('workspace.archiveSession', payload, Promise.resolve(ok({
+      archivedSessionIds: [(payload as { sessionId: SessionId }).sessionId],
+    }))),
   }
 
   // Payloads stay `unknown` (lint-lane note above); response rows are the real
diff --git a/packages/client/connection/tests/fixture.spec.ts b/packages/client/connection/tests/fixture.spec.ts
index 005c0f7f07..795f4ec9d6 100644
--- a/packages/client/connection/tests/fixture.spec.ts
+++ b/packages/client/connection/tests/fixture.spec.ts
@@ -19,6 +19,10 @@ interface TimingHooks {
   failNextHistory(): void
   appendUser(id: string, msg: string): void
   appendTitle(id: string, title: string): void
+  beginModelRetry(id: string): void
+  scheduleModelRetry(id: string, retry?: number, delayMs?: number): void
+  cancelModelRetryDuringBackoff(id: string, delayMs?: number): void
+  completeModelRetry(id: string): void
   appendSilent(id: string, msg: string): void
   breakStreams(): void
 }
@@ -48,6 +52,59 @@ describe('createFixtureApi', () => {
     expect(response.result.value.items[1]?.parentSessionId).toBe('fx-alpha') // lineage material
   })
 
+  it('searches current message text with literal unicode61-style token phrases', async () => {
+    const api = createFixtureApi()
+    const signal = new AbortController().signal
+    const phrase = await api.sessions.search(req({ query: 'FIXTURE 历史消息' }), signal)
+    expect(phrase.result).toMatchObject({
+      ok: true,
+      value: {
+        items: [{ sessionId: 'fx-alpha' }],
+        hasMore: false,
+      },
+    })
+    if (!phrase.result.ok) throw new Error('search failed')
+    expect(phrase.result.value.items[0]?.snippet).toContain('fixture 历史消息')
+
+    timing().appendUser(
+      'fx-alpha',
+      `${'leading context '.repeat(20)}late café token${' trailing context'.repeat(20)}`,
+    )
+    const late = await api.sessions.search(req({ query: 'LATE CAFE TOKEN' }), signal)
+    if (!late.result.ok) throw new Error('late search failed')
+    const lateSnippet = late.result.value.items[0]?.snippet ?? ''
+    expect(lateSnippet).toContain('late café token')
+    expect(lateSnippet.startsWith('…')).toBe(true)
+    expect(lateSnippet.endsWith('…')).toBe(true)
+    expect(Array.from(lateSnippet).length).toBeLessThanOrEqual(120)
+
+    timing().appendUser('fx-alpha', 'Greek final sigma: ος')
+    const finalSigma = await api.sessions.search(req({ query: 'ΟΣ' }), signal)
+    if (!finalSigma.result.ok) throw new Error('final sigma search failed')
+    expect(finalSigma.result.value.items[0]?.snippet).toContain('ος')
+
+    const substring = await api.sessions.search(req({ query: 'ixtur' }), signal)
+    expect(substring.result).toEqual({
+      ok: true,
+      value: { items: [], hasMore: false },
+    })
+    const punctuationOnly = await api.sessions.search(req({ query: '*' }), signal)
+    expect(punctuationOnly.result).toEqual({
+      ok: true,
+      value: { items: [], hasMore: false },
+    })
+    const reasoningOnly = await api.sessions.search(req({ query: '思考过程' }), signal)
+    expect(reasoningOnly.result).toEqual({
+      ok: true,
+      value: { items: [], hasMore: false },
+    })
+
+    const aborted = new AbortController()
+    aborted.abort()
+    await expect(api.sessions.search(req({ query: 'fixture' }), aborted.signal))
+      .resolves.toMatchObject({ result: { ok: false, error: { code: 'cancelled' } } })
+  })
+
   it('pages history backwards on message-boundary cuts with seq-contiguous stitching', async () => {
     const api = createFixtureApi()
     const tail = await api.sessions.history(req({ sessionId: sid('fx-alpha'), maxMessages: 10 }))
@@ -84,6 +141,14 @@ describe('createFixtureApi', () => {
         },
         plan: { active: false, pending: false },
         goal: null,
+        tokenUsage: {
+          uncachedInputTokens: 0,
+          outputTokens: 0,
+          cacheReadTokens: 0,
+          cacheWriteTokens: 0,
+        },
+        // No request ran, so neither pressure nor capacity is known yet.
+        contextPressure: {},
       } },
     })
   })
@@ -218,6 +283,17 @@ describe('createFixtureApi', () => {
     expect(types).toContain('assistant/chunk')
     expect(types).toContain('assistant/message')
     expect(types.at(-1)).toBe('turn/end')
+    // Capacity is durable log state, not a transient frame: the prompt path
+    // records request/context and the projection carries it to the client.
+    expect(types).toContain('request/context')
+    expect(frames.some(frame =>
+      frame.type === 'session/projection'
+      && frame.key === 'tokenUsage'
+      && (frame.value as { outputTokens?: number }).outputTokens === 8)).toBe(true)
+    expect(frames.some(frame =>
+      frame.type === 'session/projection'
+      && frame.key === 'contextPressure'
+      && (frame.value as { contextWindow?: number }).contextWindow === 128_000)).toBe(true)
     const finalize = frames.find((f): f is Extract<MuxFrame, { type: 'session/event' }> => f.type === 'session/event' && f.event.type === 'assistant/message')
     expect(JSON.stringify(finalize?.event.data)).toContain('（已中断）')
     // Idle cancel: no replay in flight, must not explode; running flips false.
@@ -249,7 +325,7 @@ describe('createFixtureApi', () => {
       const envelopes: RpcRequest<MuxFrame>[] = []
       for await (const envelope of api.events.mux(req({}), abort.signal)) {
         envelopes.push(envelope)
-        if (envelopes.length >= 8) abort.abort()
+        if (envelopes.length >= 10) abort.abort()
       }
       return envelopes
     }
@@ -257,16 +333,18 @@ describe('createFixtureApi', () => {
     const second = await openOnce()
     expect(first[0]?.payload).toMatchObject({ type: 'session/subscribed', sessionId: 'fx-alpha' })
     expect((first[0]?.payload as { lastSeq: number }).lastSeq).toBeGreaterThan(0)
-    // Projection baseline frames follow the subscribed frame (title + todos + permissions + plan + goal units).
+    // Projection baseline frames follow subscribed (domain units + token usage).
     expect(first[1]?.payload).toMatchObject({ type: 'session/projection', sessionId: 'fx-alpha', key: 'title', value: 'Fixture 历史会话' })
     expect(first[2]?.payload).toMatchObject({ type: 'session/projection', sessionId: 'fx-alpha', key: 'todos' })
     expect(first[3]?.payload).toMatchObject({ type: 'session/projection', sessionId: 'fx-alpha', key: 'permissions' })
     expect(first[4]?.payload).toMatchObject({ type: 'session/projection', sessionId: 'fx-alpha', key: 'plan', value: { active: false, pending: false } })
     expect(first[5]?.payload).toMatchObject({ type: 'session/projection', sessionId: 'fx-alpha', key: 'goal', value: null })
-    expect(first[6]?.payload).toMatchObject({ type: 'approval/requested', toolName: 'dangerous_tool' })
-    expect(second[6]?.rpcId).toBe(first[6]?.rpcId) // stable rpcId across replays (host replay semantics)
-    expect(first[7]?.payload).toMatchObject({ type: 'question/requested', sessionId: 'fx-alpha' })
-    expect(second[7]?.rpcId).toBe(first[7]?.rpcId)
+    expect(first[6]?.payload).toMatchObject({ type: 'session/projection', sessionId: 'fx-alpha', key: 'tokenUsage' })
+    expect(first[7]?.payload).toMatchObject({ type: 'session/projection', sessionId: 'fx-alpha', key: 'contextPressure' })
+    expect(first[8]?.payload).toMatchObject({ type: 'approval/requested', toolName: 'dangerous_tool' })
+    expect(second[8]?.rpcId).toBe(first[8]?.rpcId) // stable rpcId across replays (host replay semantics)
+    expect(first[9]?.payload).toMatchObject({ type: 'question/requested', sessionId: 'fx-alpha' })
+    expect(second[9]?.rpcId).toBe(first[9]?.rpcId)
   })
 
   it('steer with no replay in flight falls through to a fresh queued turn; non-text blocks stringify empty', async () => {
@@ -761,8 +839,18 @@ describe('createFixtureApi', () => {
     hooks.appendSilent('fx-alpha', '静默丢帧')
     hooks.appendUser('fx-alpha', '正常直播')
     hooks.appendTitle('fx-alpha', 'Fixture 修订标题')
+    hooks.beginModelRetry('fx-alpha')
+    hooks.scheduleModelRetry('fx-alpha')
+    hooks.completeModelRetry('fx-alpha')
+    hooks.beginModelRetry('fx-alpha')
+    hooks.cancelModelRetryDuringBackoff('fx-alpha')
     await vi.waitFor(() => {
       expect(seen.some(f => f.type === 'session/event' && JSON.stringify(f.event.data).includes('正常直播'))).toBe(true)
+      expect(seen.some(f => f.type === 'session/event' && (f.event as { type: string }).type === 'llm/retry')).toBe(true)
+      expect(seen.some(f => f.type === 'session/event' && JSON.stringify(f.event.data).includes('重试后的完整回复'))).toBe(true)
+      expect(seen.some(f => f.type === 'session/event'
+        && f.event.type === 'turn/end'
+        && f.event.data.reason.kind === 'aborted')).toBe(true)
       expect(seen.some(f => f.type === 'session/projection' && f.key === 'title' && f.value === 'Fixture 修订标题')).toBe(true)
     })
     expect(seen.some(f => f.type === 'session/event' && JSON.stringify(f.event.data).includes('静默丢帧'))).toBe(false)
@@ -819,6 +907,10 @@ describe('FixtureApiClient (protocol-level fake carrier)', () => {
 
   it('covers the whole unary dispatch table', async () => {
     const client = new FixtureApiClient()
+    expect((await client.sessions.search(
+      { query: 'fixture' },
+      new AbortController().signal,
+    )).result.ok).toBe(true)
     const created = await client.sessions.create({})
     if (!created.result.ok) throw new Error('create failed')
     const id = created.result.value.sessionId
diff --git a/packages/client/connection/tests/node-half.spec.ts b/packages/client/connection/tests/node-half.spec.ts
index 6839d8b3ca..08c65de2ba 100644
--- a/packages/client/connection/tests/node-half.spec.ts
+++ b/packages/client/connection/tests/node-half.spec.ts
@@ -61,23 +61,9 @@ describe('connection node half', () => {
     const ctx = new Context()
     ctx.provide('httpServer', fakeHttpServer(routes) as HttpServerService)
     ctx.provide('apiProxy', {} as unknown as ApiProxy)
-    // The apply throw also escapes cordis as a late rejection — the shape the
-    // boot's installFailLoud is contracted to catch. Capture it so the run
-    // stays clean, same pattern as the webserver bind-failure test.
-    const rejections: unknown[] = []
-    const onUnhandled = (err: unknown): void => { rejections.push(err) }
-    process.on('unhandledRejection', onUnhandled)
-    try {
-      const fiber = ctx.plugin({ inject: [...inject], apply }, { trustedHosts: ['harness.internal/path'] })
-      await expect(fiber.await()).rejects.toThrow(/not a bare host\[:port\] authority/)
-      expect(routes).toHaveLength(0)
-      for (let i = 0; i < 100 && rejections.length === 0; i++) {
-        await new Promise(resolve => setTimeout(resolve, 10))
-      }
-      expect(rejections.map(String).join('\n')).toContain('not a bare host[:port] authority')
-    } finally {
-      process.off('unhandledRejection', onUnhandled)
-    }
+    const fiber = ctx.plugin({ inject: [...inject], apply }, { trustedHosts: ['harness.internal/path'] })
+    await expect(fiber).rejects.toThrow(/not a bare host\[:port\] authority/)
+    expect(routes).toHaveLength(0)
   })
 
   it('registers the /api prefix route and removes it with the fiber', async () => {
@@ -107,7 +93,7 @@ describe('connection node half', () => {
     // passed), but each privileged method stays loopback-only and 403s.
     for (const method of [
       'host.pickDirectory', 'host.openPath',
-      'settings.describe', 'settings.update', 'settings.replace',
+      'settings.describe', 'settings.update', 'settings.replace', 'settings.mutate',
       'credentials.describe', 'credentials.set', 'credentials.unset',
     ]) {
       const denied = fakeResponse()
@@ -191,7 +177,7 @@ describe('connection node half over a real HTTP server', () => {
       // Reads are as privileged as writes: describe returns the exposed
       // configuration, and credentials.describe probes arbitrary env-var names.
       for (const method of [
-        'settings.describe', 'settings.update', 'settings.replace',
+        'settings.describe', 'settings.update', 'settings.replace', 'settings.mutate',
         'credentials.describe', 'credentials.set', 'credentials.unset',
         'host.pickDirectory', 'host.openPath',
       ]) {
diff --git a/packages/client/locale/README.i18n.yaml b/packages/client/locale/README.i18n.yaml
index 05f332a9a1..0f4dd20268 100644
--- a/packages/client/locale/README.i18n.yaml
+++ b/packages/client/locale/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/locale/README.md
-README.md: c2adbcabc77def740094288da4643032873aa5b8
-README.zh.md: c6ecb31e21d7513a4e7d579b17588107ccd7ea59
+README.md: 7f780092af9bc7079cc5080c06e986bef2dfdbce
+README.zh.md: 62c037977115d33b834fe60b042431e44d208524
diff --git a/packages/client/locale/README.md b/packages/client/locale/README.md
index c2adbcabc7..7f780092af 100644
--- a/packages/client/locale/README.md
+++ b/packages/client/locale/README.md
@@ -2,7 +2,7 @@
 
 English | [中文](README.zh.md)
 
-Locale plugin: LocaleService — the browser locale preference (`zh`/`en`, persisted under `dsh.locale`; `locale/change` fires on switches only) plus the ns×locale dictionary registry (typed `register(ns, {zh, en})` checked against `LocaleNamespaceMap`, `bind(ns)`→`TranslateNS<ns>`; lookup chain ns → common → zh → key). The service implements the slot system's `LocaleFace` and installs itself through `ctx.slots.installLocale`, backing the framework-injected `t` standard seat (`Translate`/`TranslateNS` are ui-slots types; import them from there — this package only re-exports for dictionary owners' convenience).
+Locale plugin: LocaleService — the browser locale preference (`zh`/`en`, persisted under `dsh.locale`; with nothing persisted a fresh browser opens in the language `navigator` asks for — matched on the primary subtag, `zh` when it asks for none this app ships; `locale/change` fires on switches only) plus the ns×locale dictionary registry (typed `register(ns, {zh, en})` checked against `LocaleNamespaceMap`, `bind(ns)`→`TranslateNS<ns>`; lookup chain ns → common → zh → key). The service implements the slot system's `LocaleFace` and installs itself through `ctx.slots.installLocale`, backing the framework-injected `t` standard seat (`Translate`/`TranslateNS` are ui-slots types; import them from there — this package only re-exports for dictionary owners' convenience).
 
 ## Model Experience
 
diff --git a/packages/client/locale/README.zh.md b/packages/client/locale/README.zh.md
index c6ecb31e21..62c0379771 100644
--- a/packages/client/locale/README.zh.md
+++ b/packages/client/locale/README.zh.md
@@ -2,7 +2,7 @@
 
 [English](README.md) | 中文
 
-locale 插件：LocaleService——浏览器 locale 偏好（`zh`／`en`，以 `dsh.locale` 持久化；`locale/change` 仅在切换语言时触发），加上 ns×locale 字典注册表（类型化 `register(ns, {zh, en})` 按 `LocaleNamespaceMap` 校验，`bind(ns)`→`TranslateNS<ns>`；查找链 ns → common → zh → key）。该服务实现 slot 系统的 `LocaleFace` 并经 `ctx.slots.installLocale` 自行安装，支撑框架注入的 `t` 标准席位（`Translate`／`TranslateNS` 是 ui-slots 的类型；请从那里导入——本包的再导出仅为字典所有者提供便利）。
+locale 插件：LocaleService——浏览器 locale 偏好（`zh`／`en`，以 `dsh.locale` 持久化；未持久化偏好时，全新浏览器以 `navigator` 请求的语言开场——按主子标签匹配，若其请求的语言本应用都不提供则为 `zh`；`locale/change` 仅在切换语言时触发），加上 ns×locale 字典注册表（类型化 `register(ns, {zh, en})` 按 `LocaleNamespaceMap` 校验，`bind(ns)`→`TranslateNS<ns>`；查找链 ns → common → zh → key）。该服务实现 slot 系统的 `LocaleFace` 并经 `ctx.slots.installLocale` 自行安装，支撑框架注入的 `t` 标准席位（`Translate`／`TranslateNS` 是 ui-slots 的类型；请从那里导入——本包的再导出仅为字典所有者提供便利）。
 
 ## 模型体验
 
diff --git a/packages/client/locale/src/client/index.ts b/packages/client/locale/src/client/index.ts
index 65eeddb9e2..c5e54c5be9 100644
--- a/packages/client/locale/src/client/index.ts
+++ b/packages/client/locale/src/client/index.ts
@@ -83,7 +83,7 @@ declare module 'cordis' {
   }
 }
 
-/** Fallback locale consulted after the active locale misses (also the default). */
+/** Fallback locale consulted after the active locale misses (also the last-resort initial locale). */
 export const FALLBACK_LOCALE: LocaleId = 'zh'
 
 /** Shared namespace for shell-level texts. */
@@ -123,7 +123,7 @@ export class LocaleService {
    */
   constructor(ctx: Context) {
     this.ctx = ctx
-    this.snapshot = Object.freeze({ active: restorePreference(), locales: LOCALES, revision: 0 })
+    this.snapshot = Object.freeze({ active: resolveInitialLocale(), locales: LOCALES, revision: 0 })
   }
 
   /**
@@ -288,17 +288,52 @@ export class LocaleService {
   }
 }
 
-/** Read the persisted locale id; unknown or unreadable values fall back to zh. */
-function restorePreference(): LocaleId {
+/**
+ * The locale a fresh service opens with: an explicit preference the user
+ * already chose wins over the browser's own language, which in turn wins over
+ * {@link FALLBACK_LOCALE} (non-browser boots and browsers set to a language
+ * this app does not ship).
+ */
+function resolveInitialLocale(): LocaleId {
+  return restorePreference() ?? detectBrowserLocale() ?? FALLBACK_LOCALE
+}
+
+/** Read the persisted locale id; unknown or unreadable values read as no preference. */
+function restorePreference(): LocaleId | undefined {
   // Non-browser runs (node e2e booting the client tree) have no localStorage.
-  if (typeof localStorage === 'undefined') return FALLBACK_LOCALE
+  if (typeof localStorage === 'undefined') return undefined
   try {
     const stored = localStorage.getItem(STORAGE_KEY)
     if (stored === 'zh' || stored === 'en') return stored
   } catch {
-    // Storage access can throw (privacy mode); the default below covers it.
+    // Storage access can throw (privacy mode); an unreadable store simply
+    // records no preference, and the browser language decides instead.
   }
-  return FALLBACK_LOCALE
+  return undefined
+}
+
+/**
+ * The first shipped locale the browser asks for, matched on the primary
+ * subtag so every regional variant lands on its language (`zh-Hans-CN` -> zh,
+ * `en-GB` -> en). `window` is the browser test, not `navigator`: Node exposes
+ * a global `navigator` reporting the machine's own language, which would
+ * otherwise decide the locale for non-browser runs (node e2e booting the
+ * client tree). `navigator.language` trails the ordered `languages` list and
+ * covers its absence on hosts that expose only the single tag.
+ */
+function detectBrowserLocale(): LocaleId | undefined {
+  if (typeof window === 'undefined') return undefined
+  /* oxlint-disable-next-line typescript/no-unnecessary-condition --
+   * The DOM lib types `languages` as always present; embedders and older
+   * WebViews ship a Navigator without it, and spreading undefined would
+   * throw at boot. Same environment-boundary distrust as the localStorage
+   * guards below. */
+  for (const tag of [...(navigator.languages ?? []), navigator.language]) {
+    const primary = tag.toLowerCase().split('-')[0]
+    const match = LOCALES.find(locale => locale.id === primary)
+    if (match) return match.id
+  }
+  return undefined
 }
 
 /** Persist the locale id; storage failures are non-fatal (preference resets next boot). */
diff --git a/packages/client/locale/tests/apply.spec.ts b/packages/client/locale/tests/apply.spec.ts
index c603cbc5f0..a3007f8c78 100644
--- a/packages/client/locale/tests/apply.spec.ts
+++ b/packages/client/locale/tests/apply.spec.ts
@@ -2,7 +2,7 @@
  * Language row registration, snapshot projection into the row store, and
  * recovery after an HMR collapse of the declaring entry. */
 import { Context } from 'cordis'
-import { describe, expect, it } from 'vitest'
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import { SlotsService } from '@deepseek-ai/dsh-client-runtime/client'
 import { apply, inject, SETTINGS_NS } from '@deepseek-ai/dsh-client-locale/client'
 import type { LanguageRowInjected, LocaleService } from '@deepseek-ai/dsh-client-locale/client'
@@ -36,6 +36,16 @@ function faceOf(slots: SlotsService) {
 }
 
 describe('locale apply', () => {
+  // A fresh service opens in the browser's language, so these wiring specs
+  // pin one to keep their zh baseline independent of the test environment.
+  beforeEach(() => {
+    vi.stubGlobal('navigator', { languages: ['zh-CN'], language: 'zh-CN' })
+  })
+
+  afterEach(() => {
+    vi.unstubAllGlobals()
+  })
+
   it('declares the slot service', () => {
     expect(inject).toEqual(['slots'])
   })
diff --git a/packages/client/locale/tests/language-row.spec.tsx b/packages/client/locale/tests/language-row.spec.tsx
index 2fdc5d5f45..2908583191 100644
--- a/packages/client/locale/tests/language-row.spec.tsx
+++ b/packages/client/locale/tests/language-row.spec.tsx
@@ -21,7 +21,7 @@ function emptySessions() {
 }
 function emptyWorkspaces() {
   const store = createSnapshotStore<WorkspaceListState>({
-    items: [], state: 'idle', phase: 'ready', error: null,
+    items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
     baselinesReady: true, recentWorkspaceId: undefined,
   })
   return bindSnapshotSelector(store)
diff --git a/packages/client/locale/tests/locale.spec.ts b/packages/client/locale/tests/locale.spec.ts
index 80fe699e34..442701dbb3 100644
--- a/packages/client/locale/tests/locale.spec.ts
+++ b/packages/client/locale/tests/locale.spec.ts
@@ -1,5 +1,5 @@
 // @vitest-environment jsdom
-import { beforeEach, describe, expect, it, vi } from 'vitest'
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import { Context } from 'cordis'
 import type { LocaleSnapshot } from '@deepseek-ai/dsh-client-locale/client'
 import { LocaleService, STORAGE_KEY } from '@deepseek-ai/dsh-client-locale/client'
@@ -11,9 +11,26 @@ const make = (): { ctx: Context; svc: LocaleService; events: LocaleSnapshot[] }
   return { ctx, svc: new LocaleService(ctx), events }
 }
 
+/**
+ * Pin the browser environment a fresh service reads its initial locale from.
+ * This package's own specs stub the globals directly instead of using
+ * `usePinnedBrowserLanguages` (dsh-client-test-runtime): they need the shapes
+ * that helper deliberately cannot express — a missing `languages` list, a
+ * list decoupled from `language`, and a non-browser run with no `window`.
+ */
+const stubLanguages = (...tags: string[]): void => {
+  vi.stubGlobal('navigator', { languages: tags, language: tags[0] ?? '' })
+}
+
 describe('LocaleService', () => {
   beforeEach(() => {
     localStorage.clear()
+    // A Chinese browser is the baseline these specs assert their zh state on.
+    stubLanguages('zh-CN')
+  })
+
+  afterEach(() => {
+    vi.unstubAllGlobals()
   })
 
   it('translates through the active-locale -> zh -> key chain', () => {
@@ -132,23 +149,51 @@ describe('LocaleService', () => {
     expect(() => { svc.setLocale('fr') }).toThrow('not registered')
   })
 
-  it('restores a persisted locale and falls back to zh on garbage', () => {
+  it('restores a persisted locale over the browser language, and garbage reads as no preference', () => {
     localStorage.setItem(STORAGE_KEY, 'en')
     expect(make().svc.getLocale().active).toBe('en')
     localStorage.setItem(STORAGE_KEY, 'fr')
     expect(make().svc.getLocale().active).toBe('zh')
   })
 
-  it('runs without localStorage (node boots): defaults on read, no-op on write', () => {
+  it('opens in the browser language when nothing is persisted, matching regional variants on their primary subtag', () => {
+    stubLanguages('en-GB', 'zh-CN')
+    expect(make().svc.getLocale().active).toBe('en')
+    stubLanguages('zh-Hant-TW')
+    expect(make().svc.getLocale().active).toBe('zh')
+    // An unshipped language walks the list to the first one this app ships.
+    stubLanguages('fr-FR', 'en-US')
+    expect(make().svc.getLocale().active).toBe('en')
+    // Only `language` populated: an empty ordered list, and a host that
+    // exposes no `languages` property at all.
+    vi.stubGlobal('navigator', { languages: [], language: 'en-US' })
+    expect(make().svc.getLocale().active).toBe('en')
+    vi.stubGlobal('navigator', { language: 'en-US' })
+    expect(make().svc.getLocale().active).toBe('en')
+    // No shipped language anywhere in the browser's preferences: zh remains
+    // the product default rather than an arbitrary near-match.
+    stubLanguages('fr-FR', 'de')
+    expect(make().svc.getLocale().active).toBe('zh')
+  })
+
+  it('runs outside a browser (node boots): the fallback decides, the machine language does not, writes no-op', () => {
     vi.stubGlobal('localStorage', undefined)
-    try {
-      const { svc } = make()
-      expect(svc.getLocale().active).toBe('zh')
-      svc.setLocale('en')
-      expect(svc.getLocale().active).toBe('en')
-    } finally {
-      vi.unstubAllGlobals()
-    }
+    vi.stubGlobal('window', undefined)
+    // Node exposes its own global navigator; without a window it must not
+    // reach the resolution at all.
+    stubLanguages('en-US')
+    const { svc } = make()
+    expect(svc.getLocale().active).toBe('zh')
+    svc.setLocale('en')
+    expect(svc.getLocale().active).toBe('en')
+  })
+
+  it('keeps the browser language out of the way once a preference exists', () => {
+    stubLanguages('en-US')
+    const { svc } = make()
+    svc.setLocale('zh')
+    expect(localStorage.getItem(STORAGE_KEY)).toBe('zh')
+    expect(make().svc.getLocale().active).toBe('zh')
   })
 
   it('exposes the two shipped locales with self-described labels', () => {
diff --git a/packages/client/modules/README.i18n.yaml b/packages/client/modules/README.i18n.yaml
index 80bf46a996..c3dfc36e65 100644
--- a/packages/client/modules/README.i18n.yaml
+++ b/packages/client/modules/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/modules/README.md
-README.md: efba9e2eb0b148677fc7ac18bfad6333fb6f80da
-README.zh.md: b057bfdd8c0a269252496d0c6a0fc4184932fd72
+README.md: 99565b349d782c58752ac3e73ce7c0be527f78a8
+README.zh.md: a8ed0a4949ccefce53933b4f2fb8f51f5291684f
diff --git a/packages/client/modules/README.md b/packages/client/modules/README.md
index efba9e2eb0..99565b349d 100644
--- a/packages/client/modules/README.md
+++ b/packages/client/modules/README.md
@@ -8,6 +8,8 @@ Lazy CJS model (web2): executing a plugin bundle only REGISTERS its factory (`wi
 
 Resolution branch order (`import(specifier)`): platform seed word → shell instance; memoized record → surface; shell-own static registry (`registerStatic`, app-shell) → module; registered factory → materialize; graph row (`window.__DSH_BOOT__`) → fetch + execute + materialize; anything else throws — the runtime mirror of the build-time bundle purity gate. The synchronous `require` handed to factories walks the same order minus the fetch branch and records observed edges into the module record. `prefetch` is the stage-one arrival hook (fetch + execute, registration only; concurrent calls share one in-flight task); `invalidate` drops the factory and the materialized record so the next prefetch/import refetches (the HMR hook).
 
+The Node half scans enabled Loader entries for web `dshClient` packages, resolves each `exports["./client"]`, hashes the built bundle into the boot graph, and serves it under `/plugins`. Source launch maps host imports to TypeScript source but still consumes this built client export; missing files share one build instruction followed by a package/path list, while unrelated filesystem errors remain separate failures.
+
 ## Model Experience
 
 None, as the module loader is browser-side kernel machinery; nothing here reaches a model request.
diff --git a/packages/client/modules/README.zh.md b/packages/client/modules/README.zh.md
index b057bfdd8c..a8ed0a4949 100644
--- a/packages/client/modules/README.zh.md
+++ b/packages/client/modules/README.zh.md
@@ -8,6 +8,8 @@
 
 解析分支顺序（`import(specifier)`）：平台种子词 → 外壳实例；记忆化记录 → 表层；外壳自身的静态注册表（`registerStatic`，app-shell）→ 模块；已注册 factory → 物化；模块图记录（`window.__DSH_BOOT__`）→ 抓取 + 执行 + 物化；其他情况一律抛出异常。这是构建时组合包纯度门禁的运行时镜像。交给 factory 的同步 `require` 采用相同顺序，但不含抓取分支，并把观察到的边记录到模块记录中。`prefetch` 是第一阶段加载钩子（抓取 + 执行，只注册；并发调用共享一个进行中的任务）；`invalidate` 会丢弃 factory 与物化记录，使下一次 prefetch/import 重新抓取；它是 HMR（热模块替换）钩子。
 
+Node 侧会扫描已启用的 Loader 配置项以发现 web `dshClient` 包，解析每个 `exports["./client"]`，把构建后的组合包哈希写入启动图，并通过 `/plugins` 提供该文件。源码启动会把宿主侧导入映射到 TypeScript 源码，但仍消费客户端导出的构建产物；缺失文件共享一条构建要求，随后以 package/path list 列出各项，而无关的文件系统错误仍是独立故障。
+
 ## 模型体验
 
 无。模块 loader 属于浏览器侧内核机制；这里没有任何内容进入模型请求。
diff --git a/packages/client/modules/src/index.ts b/packages/client/modules/src/index.ts
index ecfc31b77f..694295e7f2 100644
--- a/packages/client/modules/src/index.ts
+++ b/packages/client/modules/src/index.ts
@@ -58,6 +58,47 @@ interface PkgMeta {
   immediately: boolean
 }
 
+/** Recovery instruction shared by grouped startup and steady-state bundle diagnostics. */
+const CLIENT_BUNDLE_BUILD_INSTRUCTION = 'run `pnpm run build` before launch'
+
+/** Missing built client export, retained as structured data for activation-error grouping. */
+class MissingClientBundleError extends Error {
+  constructor(
+    readonly packageName: string,
+    readonly clientPath: string,
+    cause: unknown,
+  ) {
+    super(
+      [
+        `client-modules: client bundle not found; ${CLIENT_BUNDLE_BUILD_INSTRUCTION}:`,
+        `  package: ${packageName}`,
+        `  path: ${clientPath}`,
+      ].join('\n'),
+      { cause },
+    )
+  }
+}
+
+/** Activation failures grouped by actionable package-build errors and unrelated failures. */
+class ClientPackageCompositionError extends AggregateError {
+  constructor(failures: Error[]) {
+    const missingBundles = failures.filter((error): error is MissingClientBundleError => error instanceof MissingClientBundleError)
+    const otherFailures = failures.filter(error => !(error instanceof MissingClientBundleError))
+    const packageNoun = failures.length === 1 ? 'package' : 'packages'
+    const lines = [`client-modules: ${String(failures.length)} client ${packageNoun} failed to compose:`]
+    if (missingBundles.length > 0) {
+      lines.push(`  client bundles not found; ${CLIENT_BUNDLE_BUILD_INSTRUCTION}:`)
+      for (const error of missingBundles) {
+        lines.push(`    - package: ${error.packageName}`, `      path: ${error.clientPath}`)
+      }
+    }
+    if (otherFailures.length > 0) {
+      lines.push('  other failures:', ...otherFailures.map(error => `    - ${error.message}`))
+    }
+    super(failures, lines.join('\n'))
+  }
+}
+
 /** One composed table row: the wire entry plus its bundle path. */
 interface WebPluginRecord {
   entry: WebBootEntry
@@ -138,7 +179,7 @@ export function injectBootManifest(html: string, graph: WebBootGraph): string {
  * + bundle route + index tap. Construction runs the activation scan
  * synchronously — a malformed declaration or missing bundle among the
  * already-loaded entries aggregates into one loud throw (FAILED fiber; the
- * boot sweep reports it).
+ * boot activation audit reports it).
  */
 export class ClientModuleHostService extends Service {
   static inject = ['httpServer', 'loader']
@@ -194,10 +235,7 @@ export class ClientModuleHostService extends Service {
     const failures: Error[] = []
     this.flush(err => failures.push(err))
     if (failures.length > 0) {
-      throw new AggregateError(
-        failures,
-        `client-modules: ${String(failures.length)} client package(s) failed to compose:\n${failures.map(e => `  - ${e.message}`).join('\n')}`,
-      )
+      throw new ClientPackageCompositionError(failures)
     }
 
     ctx.effect(
@@ -322,6 +360,22 @@ export class ClientModuleHostService extends Service {
     return meta
   }
 
+  /**
+   * Read the activation-time bundle revision.
+   * @param pkgName - package that declares the client bundle.
+   * @param clientPath - absolute path of the built client artifact.
+   * @returns the bundle content's short hash for use as its revision.
+   * @throws {MissingClientBundleError} when the read fails with `ENOENT`; other filesystem errors are rethrown unchanged.
+   */
+  private initialBundleRevision(pkgName: string, clientPath: string): string {
+    try {
+      return shortHash(readFileSync(clientPath))
+    } catch (error) {
+      if ((error as NodeJS.ErrnoException).code !== 'ENOENT') throw error
+      throw new MissingClientBundleError(pkgName, clientPath, error)
+    }
+  }
+
   /** Reconcile one entry name against the live loader entries. @returns whether the table changed. */
   private processOne(entryName: string): boolean {
     let qualifies = false
@@ -337,7 +391,7 @@ export class ClientModuleHostService extends Service {
     if (meta === null) return false
     // The rev rides the row from here on: a fiber restart reuses the row (and
     // its rev) untouched; only rebuilt() re-reads the bundle.
-    const rev = shortHash(readFileSync(meta.clientPath))
+    const rev = this.initialBundleRevision(entryName, meta.clientPath)
     this.table.set(entryName, { entry: graphRow(entryName, rev, meta.inject, meta.immediately), clientPath: meta.clientPath })
     return true
   }
diff --git a/packages/client/modules/tests/node-half.spec.ts b/packages/client/modules/tests/node-half.spec.ts
new file mode 100644
index 0000000000..3eb99c0ead
--- /dev/null
+++ b/packages/client/modules/tests/node-half.spec.ts
@@ -0,0 +1,87 @@
+/** Node-half composition diagnostics for package metadata and built client bundles. */
+
+import { mkdirSync, mkdtempSync, realpathSync, rmSync, writeFileSync } from 'node:fs'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
+import { pathToFileURL } from 'node:url'
+import { Context } from 'cordis'
+import { afterEach, describe, expect, it } from 'vitest'
+import type { HttpServerService } from '@deepseek-ai/dsh-host-webserver'
+import { ClientModuleHostService } from '../src/index.ts'
+
+let root: string | undefined
+
+afterEach(() => {
+  if (root !== undefined) rmSync(root, { recursive: true, force: true })
+  root = undefined
+})
+
+/** Create a resolvable dshClient package whose client export points at the returned path. */
+function writePackage(packageName: string): string {
+  root ??= realpathSync(mkdtempSync(join(tmpdir(), 'dsh-client-modules-')))
+  const pkgRoot = join(root, 'node_modules', ...packageName.split('/'))
+  const clientPath = join(pkgRoot, 'lib', 'client.js')
+  mkdirSync(pkgRoot, { recursive: true })
+  writeFileSync(join(pkgRoot, 'package.json'), JSON.stringify({
+    name: packageName,
+    exports: {
+      './client': './lib/client.js',
+      './package.json': './package.json',
+    },
+    dshClient: { platform: 'web' },
+  }))
+  return clientPath
+}
+
+/** Construct the node-half service over the enabled fixture entries. */
+function construct(packageNames: string[]): ClientModuleHostService {
+  const ctx = new Context()
+  ctx.baseUrl = pathToFileURL(root!).href + '/'
+  ctx.provide('loader', {
+    *entries() {
+      for (const packageName of packageNames) {
+        yield { options: { name: packageName }, fiber: {}, disabled: false }
+      }
+    },
+  })
+  const httpServer: Pick<HttpServerService, 'port' | 'register' | 'tapIndex'> = {
+    port: 0,
+    register: () => () => {},
+    tapIndex: () => () => {},
+  }
+  ctx.provide('httpServer', httpServer as HttpServerService)
+  return new ClientModuleHostService(ctx)
+}
+
+describe('client bundle activation', () => {
+  it('groups missing bundles under one source-build instruction with a package/path list', () => {
+    const firstName = '@fixture/missing-first'
+    const secondName = '@fixture/missing-second'
+    const firstPath = writePackage(firstName)
+    const secondPath = writePackage(secondName)
+    expect(() => construct([firstName, secondName])).toThrow([
+      'client-modules: 2 client packages failed to compose:',
+      '  client bundles not found; run `pnpm run build` before launch:',
+      `    - package: ${firstName}`,
+      `      path: ${firstPath}`,
+      `    - package: ${secondName}`,
+      `      path: ${secondPath}`,
+    ].join('\n'))
+  })
+
+  it('does not report other bundle read failures as missing builds', () => {
+    const packageName = '@fixture/unreadable-client'
+    const clientPath = writePackage(packageName)
+    mkdirSync(clientPath, { recursive: true })
+    let thrown: unknown
+    try {
+      construct([packageName])
+    } catch (error) {
+      thrown = error
+    }
+    expect(String(thrown)).toContain('client-modules: 1 client package failed to compose:')
+    expect(String(thrown)).toContain('  other failures:')
+    expect(String(thrown)).toContain('EISDIR')
+    expect(String(thrown)).not.toContain('pnpm run build')
+  })
+})
diff --git a/packages/client/runtime/README.i18n.yaml b/packages/client/runtime/README.i18n.yaml
index 5dd82a59ea..9519f68f82 100644
--- a/packages/client/runtime/README.i18n.yaml
+++ b/packages/client/runtime/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/runtime/README.md
-README.md: 645398e5efb429a82f612f2e6540924afd46cfd4
-README.zh.md: 572fe07128294bedae05a967ea8eee23532e4feb
+README.md: 1dc67b076870f0037fdc19dba93f959bd02eca92
+README.zh.md: 891160de8c2858e9951216274dad44c14cbc526c
diff --git a/packages/client/runtime/README.md b/packages/client/runtime/README.md
index 645398e5ef..1dc67b0768 100644
--- a/packages/client/runtime/README.md
+++ b/packages/client/runtime/README.md
@@ -10,8 +10,12 @@ Workspace and Session lists have independent monotone `pending` → `ready` base
 
 `WorkspacesService.delete(workspaceId)` removes the registration from the client projection after the successful unary response; the matching `host/workspace-removed` frame is idempotent and synchronizes other tabs. Session state and the current Session selection are independent, so accounted Sessions immediately project under Ungrouped after their Workspace disappears.
 
+`WorkspaceListState.archivedSessionIds` mirrors the Host's registry-global archive set (a `readonly SessionId[]` in Host order, replaced only when membership changes; consumers needing O(1) lookups build a transient Set). It is full-snapshot state: the `workspace.list` baseline, the `archiveSession` unary echo, and the `host/archived-sessions-changed` frame each install the complete set. `WorkspacesService.archiveSession(sessionId)` archives over the wire; the projection sweep clears the current selection into the New Session view state whenever it lands in the archive set — one rule covering the local echo, another tab's frame, and a reconnect baseline restoring a selection archived while this client was away. A set installed while a `workspace.list` request is in flight also supersedes that stale baseline's set. Grouping surfaces hide members everywhere while the session rows stay in the list store.
+
 SlotsService gives the renderer separate bare observables for `useSessions` and `useWorkspaces`; web-react creates the hooks. Workspace business state does not enter `SessionListState` or an entry store.
 
+`SessionsService.search(query, signal)` is a stateless one-shot action over the `session.search` RPC. It returns ranked session/snippet pairs without putting query, loading, or error state into the shared Session list, so each UI owner controls debounce, cancellation, stale-response suppression, and fallback presentation. `searchResultLimit` re-exposes `SESSION_SEARCH_RESULT_LIMIT` — the bound the response schema itself enforces — as injected presentation data, so client plugins do not duplicate it. It is a protocol constant rather than per-connection state, so the connection handle does not carry it.
+
 ## New Session and the blank mirror
 
 `WorkspacesService.connectWorkspace(workspaceId)` resolves the session a New Session flow lands in: it reuses the workspace's existing blank session from the list mirror (`blank && cwd == workspace.path`) or calls `session.create({workspaceId})`, returning the session id for the caller to open. `SessionSummary.blank` mirrors the host's derived empty-log bit and only ever lowers on the client: seeded by `session.list` / the `host/session-added` frame, flipped false by the first ACCEPTED local `prompt()` (on the RPC success response — acceptance proves the user message is in the host log; a rejected first prompt keeps the session blank and reusable) and by any `running: true` status frame, re-aligned by every list re-pull. List surfaces hide blank rows; the store carries every row. `SessionsService.create` accepts an optional caller-preallocated SessionId and throws `SessionCreateError` (carrying `requestedSessionId`) on failure.
@@ -20,14 +24,28 @@ SlotsService gives the renderer separate bare observables for `useSessions` and
 
 `ConversationSnapshot.queue` is the Host's authoritative transient snapshot of `agent.inbox.nextTurn`; pending next-step steering stays outside this projection. Each row carries its `MessageId`, complete editable text when every content block is text, and a flattened preview. The Host derives whole `session/queue` snapshots from durable `agent/inbox/spliced` mutations and sends a baseline on reconnect; the message-local `agent/inbox/inserted`, `claimed`, and `discarded` notifications are not used to reconstruct this projection. `Session.updateQueue()` sends edit/remove operations through Host-side `Inbox.splice()` without optimistic client mutation, so the next Host snapshot is the sole visible commit and a claim race can surface `queue-item-not-found`.
 
+## The human transcript
+
+`ConversationSnapshot.nodes` is the human transcript, not the model surface. `TranscriptAdapter` projects the raw window in log order — every append-origin surface event (`isAppendSurfaceEvent`) at its own log position, plus one `CompactionSummaryNode` marker per landed compaction checkpoint — and never consults surface order. A landed compaction therefore keeps the conversation it shadowed on the model side: the marker reports where the model stopped seeing that history instead of erasing it. Model-only replacement copies stay out: a pruned `tool/result` and a regenerated `assistant/message` rewrite one node for the model and mark no boundary. A checkpoint is a `user/message` carrying the compaction seam's plugin source that **replaced** a surface range; an appending plugin-sourced `user/message` is injected context, not a compaction. The adapter's plugin literal is pinned to the seam's own declaration by a type-only import of the cordis-free [`dsh-compact/checkpoint`](../../compact/compact/README.md) leaf, so renaming it there fails `tsc` here; a **value** import of the package would fail the client purity gate, and the package **root** is unreachable even as a type (it reaches `dsh-session`'s root, whose `Context` merge collides the host `sessions` with this program's). `tests/compact-checkpoint-pin.spec.ts` covers the same drift behaviorally.
+
+Because the projection is log-ordered, the node array is seq-monotonic by construction: log-only `command/run` / `command/done` nodes splice in by seq, `Session` merges interrupted frozen nodes by their fractional seqs, and a window whose checkpoint cites a shadowed range outside it renders the marker with nothing logged. The marker's summary text comes from the checkpoint's `compact/summary` provenance; a window cut that left the provenance outside makes the row non-expandable rather than empty, and a later page that supplies it resolves the text. Performance contract: one append materializes at most one node and copies the projection only when it adds that node; an event that changes no node keeps the previous array reference (a chunk storm costs nothing), and unchanged nodes keep their object identity.
+
+## Request inspection
+
+`SessionHistoryInspection.requests` is one chronological, purpose-discriminated provider-request stream. Assistant requests always carry their numeric `turn` and `step`; compaction requests carry `step: 0` and a `turn` owner that may be `null`. That null owner means a manual compaction ran standalone between turns, not that it belongs to either adjacent turn. A `session/end-seed` boundary closes an unmatched compaction request as an error at the boundary time with `Compaction was interrupted before completion.`; a later start projects as an independent request instead of overwriting the orphan.
+
 ## Code Mode sub-dispatch index
 
-`ConversationSnapshot.codeDispatches` groups a `run_code` call's sub-dispatches under their parent callId, in start order, using the native call-block shapes: a `tool/code-dispatch-start` event lands the `RunningToolCall` form (rows derive the running ring from the shape) and its `tool/code-dispatch` settlement replaces it in place with the `ToolResultNode` form, `callTime` carrying the paired start's time. A settle whose start fell outside the replay window appends directly with `callTime: null` (duration unknown — never a fabricated zero). Live mux frames and history replay build the identical index; sub-calls never join the surface `nodes` flow; per-parent array and map references are memo-stable across unrelated snapshot swaps.
+`ConversationSnapshot.codeDispatches` groups a `run_code` call's sub-dispatches under their parent callId, in start order, using the native call-block shapes: a `tool/code-dispatch-start` event lands the `RunningToolCall` form (rows derive the running ring from the shape) and its `tool/code-dispatch` settlement replaces it in place with the `ToolResultNode` form, `callTime` carrying the paired start's time. A settle whose start fell outside the replay window appends directly with `callTime: null` (duration unknown — never a fabricated zero). Live mux frames and history replay build the identical index; sub-calls never join the transcript `nodes` flow; per-parent array and map references are memo-stable across unrelated snapshot swaps.
 
 ## Session title projection
 
 `SessionManager` retains the latest validated `session/title` control snapshot independently of list and session-instance arrival. Newer event seqs replace older snapshots, title timestamps contribute to list recency, and a subscription baseline discards any retained title beyond its `lastSeq` before the optional folded title arrives. Explicit session removal also clears the retained title. The client-facing `SessionSummary.title` is therefore only the actual durable title; `displayTitle` is always present and falls back through the cwd basename and session id. A cold persisted session keeps that fallback until opening or resuming it causes the host to fold and project its log-backed title. `ISession.rename` settles the `title` projection cell directly from the unary response's `{title, seq}` under the same higher-seq-wins rule — the list row and every `useProjection('title')` reader update ahead of the push frame, whose later replay of the same seq is a no-op.
 
+## Model retry projection
+
+The Session object validates plugin-owned, provider-routed `llm/retry` payloads at the event wire boundary against the producer's complete field contract, including timer, integer, status, provider-delay, and non-empty diagnostic bounds. A valid event removes the matching failed step's streaming partial and inserts a durable retry notice at the event's sequence position. The notice is `scheduled` until a following retry turn starts; an aborted or disposed source turn marks it `cancelled`, while the retry turn marks it `started`. Normal-mode notices carry their finite maximum; always-mode notices remain explicitly unbounded. A terminal `turn/end` error without a retry projects one `turn-error` node from its durable message and optional code; AUTH projections replace provider copy that may echo credential fragments with `API key is invalid`, while the raw diagnostic remains in the session log. A retried failure keeps only the retry notice for that attempt. Window rebuild and history replay apply the same projection, so refresh neither resurrects discarded chunks nor loses terminal failure feedback. Visible unfinalized output is frozen as an interrupted assistant node beside the terminal error.
+
 ## Session forking
 
 `ISessions.fork({sessionId, atSeq?, increaseTitle?})` resolves only after the child summary is locally addressable, carrying source lineage and cwd with `blank: false`; callers choose whether to open it. With `increaseTitle: true`, the client renames the child from the source session's persisted title: a trailing `(N)` or `（N）` is incremented without changing bracket style, while any other title gets ` (1)` appended; the rename is skipped when the source has no persisted title, and a rename failure rejects the promise but leaves the created child in place. This option is not sent in the Host fork request. A `workspace-attach-failed` response still identifies a child already published by the Host, so `SessionManager` reconciles that partial success before `SessionForkError` reaches the caller instead of making a retry create a duplicate child.
diff --git a/packages/client/runtime/README.zh.md b/packages/client/runtime/README.zh.md
index 572fe07128..891160de8c 100644
--- a/packages/client/runtime/README.zh.md
+++ b/packages/client/runtime/README.zh.md
@@ -10,8 +10,12 @@ Workspace 和 Session 列表各自具有单调的 `pending` → `ready` 基线
 
 `WorkspacesService.delete(workspaceId)` 在一元响应成功后从客户端投影中移除注册记录；对应的 `host/workspace-removed` 帧具有幂等性，并负责同步其他标签页。Session 状态与当前 Session selection 相互独立，因此 Workspace 消失后，其已纳入客户端投影的 Session 会立即投影到 Ungrouped 下。
 
+`WorkspaceListState.archivedSessionIds` 镜像 Host 的注册表级全局归档集合（一个按 Host 顺序的 `readonly SessionId[]`，仅在成员变化时才替换；需要 O(1) 查询的消费方自建临时 Set）。它是全快照状态：`workspace.list` 基线、`archiveSession` 一元回声和 `host/archived-sessions-changed` 帧各自安装完整集合。`WorkspacesService.archiveSession(sessionId)` 通过 wire 归档；投影层在当前 selection 落入归档集合时统一清空为 New Session 视图状态——一条规则同时覆盖本地回声、其他标签页的帧、以及重连基线恢复出一个离线期间被归档的 selection。在 `workspace.list` 请求进行中安装的集合还会取代该过期基线携带的集合。各分组视图在所有位置隐藏集合成员，而会话行本身仍留在列表 store 中。
+
 SlotsService 分别为 renderer 提供 `useSessions` 与 `useWorkspaces` 的裸 observable；web-react 创建钩子。Workspace 业务状态不会进入 `SessionListState` 或配置项 store。
 
+`SessionsService.search(query, signal)` 是基于 `session.search` RPC 的无状态单次操作。它返回经过排序的会话／snippet 对，但不会将查询条件、加载状态或错误状态写入共享 Session 列表，因此每个 UI 所有者都自行负责防抖、取消、抑制陈旧响应和回退呈现。`searchResultLimit` 将 `SESSION_SEARCH_RESULT_LIMIT`——即响应 schema 自身强制执行的上限——作为注入的呈现数据重新公开，使客户端插件无需复制该值。它是协议常量而非逐连接状态，因此连接 handle 不携带它。
+
 ## New Session 与 blank 镜像
 
 `WorkspacesService.connectWorkspace(workspaceId)` 解析 New Session 流程最终落入的会话：先在列表镜像中复用该 workspace 的既有空会话（`blank && cwd == workspace.path`），未命中则调用 `session.create({workspaceId})`，返回会话 id 由调用方 open。`SessionSummary.blank` 镜像主机派生的空日志位，在客户端只降不升：由 `session.list`／`host/session-added` 帧播种，本地首次获 Host 接受的 `prompt()`（RPC 成功响应时——受理即证明用户消息已入主机日志；首讯被拒则会话保持 blank、保持可复用）与任何 `running: true` 状态帧翻为 false，每次列表重拉重新对齐。列表界面隐藏 blank 行；store 保留全部行。`SessionsService.create` 接受可选的、由调用方预先分配的 SessionId，失败时抛出 `SessionCreateError`（携带 `requestedSessionId`）。
@@ -20,14 +24,28 @@ SlotsService 分别为 renderer 提供 `useSessions` 与 `useWorkspaces` 的裸
 
 `ConversationSnapshot.queue` 是 Host 提供的 `agent.inbox.nextTurn` 权威瞬态快照；待处理的 next-step steering（中途引导）不进入此投影。每行携带其 `MessageId`、所有内容块均为文本时的完整可编辑文本，以及扁平化预览。Host 根据持久 `agent/inbox/spliced` 变更派生完整 `session/queue` 快照，并在重连时发送基线；面向单条消息的 `agent/inbox/inserted`、`claimed` 与 `discarded` 通知不用于重建该投影。`Session.updateQueue()` 经 Host 侧 `Inbox.splice()` 发送编辑／移除操作，客户端不做乐观变更，因此下一份 Host 快照是唯一可见的提交结果，claim 竞态则会返回 `queue-item-not-found`。
 
+## 面向人的 transcript（文本记录）
+
+`ConversationSnapshot.nodes` 是面向人的 transcript，不是模型 surface。`TranscriptAdapter` 按日志顺序投影原始窗口——每个 append 来源的 surface 事件（`isAppendSurfaceEvent`）落在它自己的日志位置上，外加每次落地的压缩（compaction）检查点贡献一个 `CompactionSummaryNode` 标记——且从不查询 surface 顺序。于是一次落地的压缩会保留它在模型侧遮蔽掉的对话：标记报告模型从哪里开始看不见那段历史，而不是把它抹掉。仅模型可见的 replacement 副本不进入记录：被裁剪的 `tool/result` 和重新生成的 `assistant/message` 只为模型重写一个节点，不标记任何边界。检查点是携带压缩 seam 插件来源、且**替换**了一段 surface 范围的 `user/message`；一条 append 的插件来源 `user/message` 是注入上下文，不是压缩。适配器的插件字面量通过对无 cordis 的 [`dsh-compact/checkpoint`](../../compact/compact/README.md) 叶子做仅类型导入，钉在压缩 seam 自己的声明上：在那里改名会让此处 `tsc` 失败；而对该包（package）做**值**导入会被客户端纯度门禁拒绝，包的**根**即便作为类型也无法到达（它会到达 `dsh-session` 的根，其 `Context` 合并会让 host 的 `sessions` 与本程序的冲突）。`tests/compact-checkpoint-pin.spec.ts` 从行为侧覆盖同一漂移。
+
+由于投影按日志顺序，节点数组天然按 seq 单调：仅日志的 `command/run` / `command/done` 节点按 seq 插入，`Session` 按分数 seq 归并被打断的冻结节点，而检查点所引范围落在窗口之外的窗口会渲染出标记且不打印任何日志。标记的摘要文本来自检查点的 `compact/summary` 溯源；窗口切分把溯源留在窗口外时该行不可展开而非空白，后续补上溯源的分页会解析出文本。性能契约：一次追加最多物化一个节点，并且仅在加入该节点时复制投影；不改变任何节点的事件保持上一次的数组引用（分片风暴零成本），未变化的节点保持其对象标识。
+
+## 请求检查
+
+`SessionHistoryInspection.requests` 是一条按时间顺序排列、以用途为判别字段的提供方请求流。助手请求始终携带数值型 `turn` 与 `step`；压缩请求携带 `step: 0`，其 `turn` 所有者可以是 `null`。这个 null 所有者表示手动压缩独立运行在两个轮次之间，并不表示它属于任一相邻轮次。`session/end-seed` 边界会在边界时刻将未匹配的压缩请求以错误状态结束，错误固定为 `Compaction was interrupted before completion.`；后续 start 会投影为独立请求，而不会覆盖这项遗留的未匹配请求。
+
 ## Code Mode 子调用索引
 
-`ConversationSnapshot.codeDispatches` 按父调用的 callId 和启动顺序，用原生调用块形状组织一个 `run_code` 调用的子调用：`tool/code-dispatch-start` 事件落成 `RunningToolCall` 形状（行组件从该形状推导运行中的转圈状态），其 `tool/code-dispatch` 完结事件原位替换为 `ToolResultNode` 形状，`callTime` 携带成对 start 事件的时间。start 落在回放窗口之外的完结事件则直接追加，`callTime: null`（耗时未知——绝不伪造零耗时）。live mux 帧与历史回放构建相同的索引；子调用永不进入 surface `nodes` 流；无关快照交换不会改变每个父调用对应的数组引用和映射引用，两者均保持 memo 稳定。
+`ConversationSnapshot.codeDispatches` 按父调用的 callId 和启动顺序，用原生调用块形状组织一个 `run_code` 调用的子调用：`tool/code-dispatch-start` 事件落成 `RunningToolCall` 形状（行组件从该形状推导运行中的转圈状态），其 `tool/code-dispatch` 完结事件原位替换为 `ToolResultNode` 形状，`callTime` 携带成对 start 事件的时间。start 落在回放窗口之外的完结事件则直接追加，`callTime: null`（耗时未知——绝不伪造零耗时）。live mux 帧与历史回放构建相同的索引；子调用永不进入 transcript 的 `nodes` 流；无关快照交换不会改变每个父调用对应的数组引用和映射引用，两者均保持 memo 稳定。
 
 ## Session 标题投影
 
 `SessionManager` 独立于列表和 Session 实例到达情况，保留最近一次通过验证的 `session/title` 控制快照。seq 更高的事件会替换旧快照，标题时间戳计入列表新近程度；订阅基线会先丢弃 seq 超过其 `lastSeq` 的任何已保留标题，再接收可选的折叠标题。显式移除 Session 也会清除已保留标题。因此，面向客户端的 `SessionSummary.title` 只包含实际的持久化标题；`displayTitle` 始终存在，并依次回退到 cwd basename 和 Session id。冷态持久化会话会保持该回退值，直到打开或恢复会话，促使主机折叠并投影由日志支撑的标题。`ISession.rename` 用 unary 响应中的 `{title, seq}` 直接结算 `title` 投影格，遵循同一 seq 高者胜规则——列表行和所有 `useProjection('title')` 读者在推送帧到达前即更新；推送帧随后重放同一 seq 时为无操作。
 
+## 模型重试投影
+
+Session 对象会在事件 wire 边界依据生产方的完整字段契约，验证由插件负责、按提供方路由的 `llm/retry` 载荷，包括计时器、整数、状态、提供方延迟和非空诊断字段的边界。有效事件会移除对应失败步骤的流式输出片段，并在该事件的序列位置插入一条持久的重试提示。该提示在后续重试轮次开始前为 `scheduled`；源轮次中止或被 dispose（资源释放）时，会将该提示标记为 `cancelled`，重试轮次则会将其标记为 `started`。normal mode 提示携带其有限上限；always mode 提示则保持显式无界。没有重试的终态 `turn/end` 错误会从持久消息与可选错误码投影出一个 `turn-error` 节点；AUTH 投影会把可能回显凭据片段的提供方文案替换为 `API key is invalid`，原始诊断仍保留在会话日志中。进入重试的失败则只保留该次尝试的重试提示。窗口重建与历史回放应用相同的投影，因此刷新既不会让已丢弃的分片重新出现，也不会丢失终态失败反馈。可见但尚未定稿的输出会在终态错误旁冻结为中断的 assistant 节点。
+
 ## 会话 fork
 
 `ISessions.fork({sessionId, atSeq?, increaseTitle?})` 只在子会话摘要已能在本地寻址后才完成；该摘要携带源会话的谱系和 cwd，且 `blank: false`，由调用方决定是否打开。`increaseTitle: true` 会在 client 端把源会话的持久化标题改名到子会话：尾部 `(N)` 或 `（N）` 递增并保留括号样式，其余标题追加 ` (1)`；源会话没有持久化标题时跳过改名，改名失败时拒绝 promise 但保留已创建的子会话。该选项不会进入 Host fork 请求。即使响应为 `workspace-attach-failed`，其中仍会标识 Host 已发布的子会话，因此 `SessionManager` 会先将这一部分成功对账，再让 `SessionForkError` 到达调用方，避免重试创建重复的子会话。
@@ -42,10 +60,10 @@ SlotsService 分别为 renderer 提供 `useSessions` 与 `useWorkspaces` 的裸
 
 #### KV Cache 影响
 
-更改目标可能改变提供方侧的缓存复用，或使其失效；该包（package）本身不会改变提示词前缀。
+更改目标可能改变提供方侧的缓存复用，或使其失效；该包本身不会改变提示词前缀。
 
 ## 已知限制与暂缓事项
 
-- **`loader.unload` 是 stub（抛出 not-implemented）**：完整链路（fiber dispose（资源释放） → 注册级联 → 样式移除）随 HMR（热模块替换）项目落地。
+- **`loader.unload` 是 stub（抛出 not-implemented）**：完整链路（fiber dispose → 注册级联 → 样式移除）随 HMR（热模块替换）项目落地。
 - **scope 拆卸由阶段驱动，目前只能有一个占用者**：已 staged 的会话精确跟随 `list.current`（staging 就是打开信号：事件窗口打开 ⟺ 会话位于 stage）；在 staged 状态下被移除的会话，其 scope 会冻结保留，直到 stage 转向其他会话，而非直到真实观察者数量降为零。解析（`binding()`／`scope()`）只是纯寻址，可安全用于渲染；渲染层经 `currentProvideInfo` observable 读取当前 bundle。并发 pane 落地时，staged 状态可以扩展为多 pane 列表。
 - **插件组合包从该包导入值时必须使用 `/client` 子路径**：裸包名不在 loader externals 表中，会内联第二个模块实例；其私有 scope-tag Symbol 永远无法匹配。这是空状态 P0 的事故复盘（postmortem）所记录的问题。
diff --git a/packages/client/runtime/package.json b/packages/client/runtime/package.json
index 60e2eddf09..f9cc6a308c 100644
--- a/packages/client/runtime/package.json
+++ b/packages/client/runtime/package.json
@@ -32,10 +32,12 @@
   "license": "BSD-3-Clause",
   "dependencies": {
     "@deepseek-ai/dsh-client-connection": "workspace:^",
+    "@deepseek-ai/dsh-compact": "workspace:^",
     "@deepseek-ai/dsh-commands": "workspace:^",
     "@deepseek-ai/dsh-client-ui-slots": "workspace:^",
     "@deepseek-ai/dsh-host-apiproxy": "workspace:^",
     "@deepseek-ai/dsh-llm": "workspace:^",
+    "@deepseek-ai/dsh-llm-retry": "workspace:^",
     "@deepseek-ai/dsh-session": "workspace:^",
     "@deepseek-ai/dsh-session-projection": "workspace:^",
     "@deepseek-ai/dsh-session-title": "workspace:^",
@@ -49,6 +51,7 @@
   },
   "devDependencies": {
     "@deepseek-ai/dsh-invariants": "workspace:^",
+    "@deepseek-ai/dsh-timeout": "workspace:^",
     "@types/react": "~18.3.1",
     "cordis": "^4.0.0-rc.7"
   },
diff --git a/packages/client/runtime/src/client/contract/session.ts b/packages/client/runtime/src/client/contract/session.ts
index 0e75648ea1..ea92b211f1 100644
--- a/packages/client/runtime/src/client/contract/session.ts
+++ b/packages/client/runtime/src/client/contract/session.ts
@@ -46,7 +46,8 @@ export interface ISession {
    */
   updateQueue(itemId: MessageId, action: QueueAction): Promise<RpcResult<{ accepted: true }>>
   /**
-   * Cancel the running turn.
+   * Cancel the running turn. Pending queued work remains and resumes in FIFO
+   * order after the Host reaches cancellation quiescence.
    * @returns acceptance, or the business error.
    */
   cancel(): Promise<RpcResult<{ accepted: true }>>
diff --git a/packages/client/runtime/src/client/contract/sessions.ts b/packages/client/runtime/src/client/contract/sessions.ts
index 280bc602eb..79f20a234c 100644
--- a/packages/client/runtime/src/client/contract/sessions.ts
+++ b/packages/client/runtime/src/client/contract/sessions.ts
@@ -8,8 +8,9 @@
  * explicit act of widening what features may do to the sessions domain.
  */
 import type { Context } from 'cordis'
-import type { SessionId } from '@deepseek-ai/dsh-client-connection/client'
+import type { RpcResult, SessionId } from '@deepseek-ai/dsh-client-connection/client'
 import type { HostObservable, SessionMaybeProvideInfo } from '@deepseek-ai/dsh-client-ui-slots'
+import type { SessionSearchResultItem } from '../sessions/manager.ts'
 import type {
   SessionBinding, SessionListState, SessionProvideDescriptor,
 } from '../sessions/service.ts'
@@ -22,6 +23,12 @@ export interface ISessions {
   readonly list: ObservableSnapshot<SessionListState>
   /** Atomic current-session provide projection (the renderer host's `sessions.provideInfo` feed). */
   readonly currentProvideInfo: HostObservable<SessionMaybeProvideInfo>
+  /**
+   * The `session.search` result bound the wire schema fixes, exposed to
+   * presentation as injected data. Not per-connection state: every transport
+   * (fixture included) reports the same number.
+   */
+  readonly searchResultLimit: number
   /**
    * Select a session as current.
    * @param id - session id (must exist in the list; unknown ids fail loud).
@@ -29,6 +36,17 @@ export interface ISessions {
   open(id: SessionId): void
   /** Clear the current selection into the no-session view state. */
   clear(): void
+  /**
+   * Search the Host's visible message-content index. Results stay
+   * request-local; the list snapshot remains the metadata authority.
+   * @param query - non-blank literal phrase.
+   * @param signal - cancellation for a superseded search.
+   * @returns bounded results, or a business/transport error.
+   */
+  search(
+    query: string,
+    signal: AbortSignal,
+  ): Promise<RpcResult<{ items: SessionSearchResultItem[]; hasMore: boolean }>>
   /**
    * Fork a session from a completed-turn prefix of the source; on resolution
    * the child is in the list store and `open()` can target it.
diff --git a/packages/client/runtime/src/client/contract/workspaces.ts b/packages/client/runtime/src/client/contract/workspaces.ts
index 9238ea5fd0..3e64ef3717 100644
--- a/packages/client/runtime/src/client/contract/workspaces.ts
+++ b/packages/client/runtime/src/client/contract/workspaces.ts
@@ -76,4 +76,11 @@ export interface IWorkspaces {
    * @returns the updated Workspace view.
    */
   insertSessionBefore(workspaceId: WorkspaceId, sessionId: SessionId, beforeSessionId?: SessionId): Promise<WorkspaceView>
+  /**
+   * Archive a session into the registry-global set (hidden from grouping
+   * surfaces; session log and accounting slot remain). Archiving the current
+   * session clears the selection into the New Session view state.
+   * @param sessionId - session to archive.
+   */
+  archiveSession(sessionId: SessionId): Promise<void>
 }
diff --git a/packages/client/runtime/src/client/index.ts b/packages/client/runtime/src/client/index.ts
index 9a5b3a535d..2e9b131c77 100644
--- a/packages/client/runtime/src/client/index.ts
+++ b/packages/client/runtime/src/client/index.ts
@@ -31,7 +31,7 @@ export type { IWorkspaces } from './contract/workspaces.ts'
 export type {
   SessionBinding, SessionListState, SessionProvideContribution, SessionProvideDescriptor, SessionSummary,
 } from './sessions/service.ts'
-export type { SessionListPhase } from './sessions/manager.ts'
+export type { SessionListPhase, SessionSearchResultItem } from './sessions/manager.ts'
 export type { WorkspaceListPhase } from './workspaces/manager.ts'
 export type { WorkspaceListState } from './workspaces/service.ts'
 export type {
@@ -44,9 +44,10 @@ export type {
 } from './contract/store.ts'
 export type {
   AssistantBlock, AssistantMessageNode, AssistantProvenanceView, AssistantRequestConfig,
-  AssistantTiming, CodeSubCall, CommandNode, ComposerPhase, ContextMessageNode, ConversationNode,
-  ConversationSnapshot, QueuedMessage, RunningToolCall,
-  SteeringMessageNode, TodoItem, ToolResultNode, UnknownSurfaceNode, UserMessageNode,
+  AssistantTiming, CodeSubCall, CommandNode, CompactionSummaryNode, ComposerPhase,
+  ContextMessageNode, ConversationNode, ConversationSnapshot, ModelRetryNode, QueuedMessage,
+  RunningToolCall,
+  SteeringMessageNode, TodoItem, ToolResultNode, TurnErrorNode, UnknownSurfaceNode, UserMessageNode,
 } from './sessions/conversation.ts'
 export type {
   ConversationContext, ConversationContextOriginKind,
diff --git a/packages/client/runtime/src/client/sessions/conversation.ts b/packages/client/runtime/src/client/sessions/conversation.ts
index 55cc3fc73e..a58f74c4e8 100644
--- a/packages/client/runtime/src/client/sessions/conversation.ts
+++ b/packages/client/runtime/src/client/sessions/conversation.ts
@@ -5,6 +5,7 @@
 
 import type { CommandId } from '@deepseek-ai/dsh-commands/brand'
 import type { ContentBlock } from '@deepseek-ai/dsh-llm/types'
+import type { LlmRetryEventData } from '@deepseek-ai/dsh-llm-retry/types'
 import type { TodoItem } from '@deepseek-ai/dsh-session/types'
 import type {
   MessageId, RpcError, SessionId, ToolCallView, ToolResultView,
@@ -121,6 +122,32 @@ export interface ContextMessageNode {
   source: unknown
 }
 
+/** Durable notice that a closed failed step is waiting for a model-request retry. */
+export type ModelRetryNode = LlmRetryEventData & {
+  kind: 'model-retry'
+  seq: number
+  /** Unix epoch ms from the llm/retry session event. */
+  time: number
+  /**
+   * Client-derived lifecycle: scheduled until a retry turn starts, started
+   * once it does, or cancelled when the failed turn aborts first.
+   */
+  retryState: 'scheduled' | 'started' | 'cancelled'
+}
+
+/** Durable terminal failure for a turn that has no scheduled retry. */
+export interface TurnErrorNode {
+  kind: 'turn-error'
+  /** Seq of the owning turn/end event. */
+  seq: number
+  /** Unix epoch ms from the turn/end event. */
+  time: number
+  turn: number
+  step: number
+  message: string
+  code?: string
+}
+
 /** A tool result paired (when in-window) with its call head. */
 export interface ToolResultNode {
   kind: 'tool-result'
@@ -142,7 +169,32 @@ export interface ToolResultNode {
   resultView: ToolResultView | null
 }
 
-/** Fallback for surface events this UI version does not know. */
+/**
+ * One landed compaction, marked at the checkpoint's own log position. The
+ * conversation it shadowed on the model surface stays in the transcript above
+ * it: the marker reports where the model stopped seeing that history, it does
+ * not replace it. The framed checkpoint payload is an instruction envelope
+ * written for the model and never renders.
+ */
+export interface CompactionSummaryNode {
+  kind: 'compaction'
+  /** Seq of the replacement `user/message` that landed the checkpoint. */
+  seq: number
+  /** Unix epoch ms of the checkpoint event. */
+  time: number
+  /** Summary text from the checkpoint's `compact/summary` provenance; null when
+   *  the window cut left that provenance outside (the marker is then not expandable). */
+  summary: string | null
+}
+
+/**
+ * Fallback for surface events this UI version does not know: the documented
+ * default arm of `SessionEventMap`, which is merge-extensible, so the
+ * projection's switch cannot end in `assertNever`. No event produces this node
+ * today — `isAppendSurfaceEvent` admits only the four types in core's
+ * `SurfaceEventType`, and each has its own arm — and it exists so widening that
+ * set core-side degrades to a raw row instead of dropping the event silently.
+ */
 export interface UnknownSurfaceNode {
   kind: 'unknown'
   seq: number
@@ -155,7 +207,7 @@ export interface UnknownSurfaceNode {
 /**
  * One slash-command lifecycle folded from the log-only `command/run` /
  * `command/done` pair (paired by commandId, mirroring tool call↔result).
- * Log-only events never enter the surface fold, so the FoldAdapter indexes
+ * Log-only events are not surface events, so the TranscriptAdapter indexes
  * them separately and merges the nodes into the flow by seq. A window cut
  * between the pair soft-falls like tool pairs: a done with no in-window run
  * still builds a node (name/args null), and a run with no done renders as
@@ -183,8 +235,11 @@ export type ConversationNode =
   | AssistantMessageNode
   | SteeringMessageNode
   | ContextMessageNode
+  | ModelRetryNode
+  | TurnErrorNode
   | ToolResultNode
   | CommandNode
+  | CompactionSummaryNode
   | UnknownSurfaceNode
 
 /**
@@ -194,7 +249,7 @@ export type ConversationNode =
  * {@link RunningToolCall} (rows derive the running state from the shape,
  * exactly as for native calls) and its `tool/code-dispatch` settlement
  * replaces it in place with the {@link ToolResultNode} form. Never part of
- * the surface `nodes` flow — sub-calls live under their parent via
+ * the transcript `nodes` flow — sub-calls live under their parent via
  * {@link ConversationSnapshot.codeDispatches}. `callId` is the deterministic
  * sub-call id (`<parent>:code:<n>`); the call side carries the sub-tool name
  * and its JSON-stringified logged arguments; `content`/`isError` are the
@@ -265,10 +320,8 @@ export interface PromptError {
 /** The immutable snapshot contract Session hands to uSES (see the web client architecture RFC). */
 export interface ConversationSnapshot {
   sessionId: SessionId
-  /** Surface fold product (finalized conversation nodes in surface order). */
+  /** Human transcript plus retry notices and interrupted-turn terminal nodes in event order. */
   nodes: readonly ConversationNode[]
-  /** Fold degradation flag (cross-window replace defense): when true, nodes come from the lenient linear scan. */
-  foldDegraded: boolean
   partial: PartialAssistant | null
   runningCalls: readonly RunningToolCall[]
   /**
diff --git a/packages/client/runtime/src/client/sessions/failure-display.ts b/packages/client/runtime/src/client/sessions/failure-display.ts
new file mode 100644
index 0000000000..637329772b
--- /dev/null
+++ b/packages/client/runtime/src/client/sessions/failure-display.ts
@@ -0,0 +1,10 @@
+/**
+ * Convert a durable failure into copy that is safe to expose in the GUI.
+ * @param failure - Structured failure preserved by the session event.
+ * @returns Display-safe copy for client projections.
+ */
+export function displayFailureMessage(failure: { code?: string; message: string }): string {
+  // Provider AUTH messages may echo a masked or partially preserved credential.
+  // Keep the raw diagnostic in the session log, but never project it into UI state.
+  return failure.code === 'AUTH' ? 'API key is invalid' : failure.message
+}
diff --git a/packages/client/runtime/src/client/sessions/fold-adapter.ts b/packages/client/runtime/src/client/sessions/fold-adapter.ts
deleted file mode 100644
index fc9efb70e4..0000000000
--- a/packages/client/runtime/src/client/sessions/fold-adapter.ts
+++ /dev/null
@@ -1,283 +0,0 @@
-// FoldAdapter: core SurfaceManager wiring + node materialization cache.
-// Padding sentinels solve the paged-window seq offset (core fold asserts seq === index);
-// a cross-window replace throw degrades to a lenient linear scan (foldDegraded —
-// the degradation lives in one branch function in this file, zero scattered removal points).
-
-import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
-// Subpath export (package.json exports "./surface", alias added for this): all value imports
-// go through it — the package root points at lib/index.js (needs a build) which the vite
-// browser bundle cannot resolve; surface.ts has no Node dependencies.
-import {
-  SurfaceManager, isSurfaceEligibleType, isSurfaceEvent,
-} from '@deepseek-ai/dsh-session/surface'
-import type { CommandId } from '@deepseek-ai/dsh-commands/brand'
-import type { ToolCallView, ToolEventView, ToolResultView } from '@deepseek-ai/dsh-client-connection/client'
-import type { CommandNode, ConversationNode } from './conversation.ts'
-import { toAssistantBlocks } from './conversation.ts'
-
-/** In-window tool/call index entry (result-card backfill + runningCalls material). */
-export interface CallIndexEntry {
-  name: string
-  argsRaw: string
-  turn: number
-  step: number
-  /** Unix epoch ms of the tool/call event. */
-  time: number
-  /** Wire view riding the tool/call (envelope-level; never inside the event). */
-  callView: ToolCallView | null
-}
-
-/** Non-surface sentinel used to preserve paged-window sequence offsets.
- * `noop/padding` is deliberately not a real event type, so it cannot acquire
- * surface behavior; this cast is the only synthetic event entry point.
- */
-function paddingEvent(seq: number): SessionEvent {
-  return { type: 'noop/padding', seq, time: 0, data: {} } as unknown as SessionEvent
-}
-
-function replacementCrossesWindowHead(event: SessionEvent, baseSeq: number): boolean {
-  if (!isSurfaceEvent(event) || event.surfaceOp === 'append') return false
-  return event.surfaceOp.start < baseSeq || event.surfaceOp.end < baseSeq
-}
-
-/** One event -> UI node (pure function; the six-variant ConversationNode union). */
-function materializeNode(
-  event: SessionEvent,
-  callIndex: ReadonlyMap<string, CallIndexEntry>,
-  resultView: ToolResultView | null,
-): ConversationNode {
-  switch (event.type) {
-    case 'user/message':
-      // Injected context (plugin/goal source) folds to a context node, not a
-      // user message; only a direct human prompt is a user node.
-      if (event.data.source.kind !== 'user') {
-        return {
-          kind: 'context', seq: event.seq, time: event.time,
-          content: event.data.content, source: event.data.source,
-        }
-      }
-      return {
-        kind: 'user', seq: event.seq, time: event.time,
-        content: event.data.content, source: event.data.source,
-      }
-    case 'assistant/message':
-      return {
-        kind: 'assistant', seq: event.seq, time: event.time,
-        turn: event.data.turn, step: event.data.step,
-        blocks: toAssistantBlocks(event.data.message.content), usage: event.data.usage,
-      }
-    case 'steering/message':
-      return {
-        kind: 'steering', seq: event.seq, time: event.time, turn: event.data.turn,
-        content: event.data.message.content, source: event.data.message.source,
-      }
-    case 'tool/result': {
-      const result = event.data.message.content[0]
-      const callId = String(event.data.message.source.callId)
-      const call = callIndex.get(callId)
-      return {
-        kind: 'tool-result', seq: event.seq, time: event.time,
-        callId,
-        call: call ? { name: call.name, argsRaw: call.argsRaw } : null,
-        callTime: call?.time ?? null,
-        content: result.content, isError: result.isError === true,
-        ...(event.data.error !== undefined ? { error: event.data.error } : {}),
-        meta: event.data.meta,
-        callView: call?.callView ?? null,
-        resultView,
-      }
-    }
-    /* v8 ignore next 2 -- defensive arm: fold output only carries the four
-    surface-eligible types, and each has a case above; reachable only if core
-    adds an eligible type. */
-    default:
-      return {
-        kind: 'unknown', seq: event.seq, time: event.time,
-        type: event.type, data: (event as { data?: unknown }).data,
-      }
-  }
-}
-
-/** Window fold over the core SurfaceManager (sentinel padding for the seq offset; degrades to a linear scan on cross-window replace). */
-export class FoldAdapter {
-  /** padded = [sentinel x baseSeq, ...window events]; SurfaceManager borrows this reference for lazy incremental folding. */
-  private padded: SessionEvent[] = []
-  private baseSeq = 0
-  private surface = new SurfaceManager(this.padded)
-  private nodeCache = new Map<number, ConversationNode>()
-  private degraded = false
-  private callIdx = new Map<string, CallIndexEntry>()
-  /** Wire result views keyed by the tool/result event's seq (views ride the envelope, not the event). */
-  private resultViews = new Map<number, ToolResultView>()
-  /**
-   * Command lifecycle nodes by commandId (insertion = run order). The
-   * `command/run`/`command/done` pair is log-only, so the surface fold never
-   * emits it; this index folds the pair (done settles its run's node in
-   * place) and nodes() merges the products into the flow by seq. Window cuts
-   * soft-fall like tool pairs: a done with no in-window run still builds a
-   * node.
-   */
-  private commandIdx = new Map<string, CommandNode>()
-  /** Window revision (bumped on reset/append) keying the nodes() result cache: an unchanged
-   *  window returns the previous ARRAY reference, not just cached elements — the snapshot's
-   *  reference-stability contract (§A.9.4) starts here. */
-  private rev = 0
-  private nodesResult: { rev: number; value: { nodes: ConversationNode[]; degraded: boolean } } | null = null
-
-  /** In-window tool/call index (Session uses it for runningCalls and result-card backfill). */
-  get callIndex(): ReadonlyMap<string, CallIndexEntry> {
-    return this.callIdx
-  }
-
-  /**
-   * Window rebuild (after open/resync/page prepend): new padded array, new
-   * SurfaceManager, cleared cache, rebuilt callIndex.
-   * @param events - the new window contents (seq-ascending).
-   * @param baseSeq - seq of the window head (sentinels pad below it).
-   * @param views - per-event wire views aligned with `events` by index (undefined slots for view-less events).
-   */
-  reset(events: readonly SessionEvent[], baseSeq: number, views?: readonly (ToolEventView | undefined)[]): void {
-    this.rev++
-    this.baseSeq = baseSeq
-    this.padded = []
-    for (let i = 0; i < baseSeq; i++) this.padded.push(paddingEvent(i))
-    for (const event of events) this.padded.push(event)
-    this.surface = new SurfaceManager(this.padded)
-    this.nodeCache.clear()
-    this.degraded = events.some(event => replacementCrossesWindowHead(event, baseSeq))
-    this.callIdx = new Map()
-    this.resultViews.clear()
-    this.commandIdx = new Map()
-    for (let i = 0; i < events.length; i++) {
-      const event = events[i]
-      /* v8 ignore next -- dense-array guard: i stays within events.length, so the undefined arm needs a sparse array no caller builds. */
-      if (event !== undefined) {
-        this.indexCall(event, views?.[i])
-        this.indexCommand(event)
-      }
-    }
-  }
-
-  /**
-   * Tail append (live session/event): push into the same array (incremental
-   * lazy fold applies) + incremental callIndex upkeep.
-   * @param event - the live event (seq = window tail + 1).
-   * @param view - host-computed tool view paired with the event when it is a tool call/result; indexed for card rendering.
-   */
-  append(event: SessionEvent, view?: ToolEventView): void {
-    this.rev++
-    this.padded.push(event)
-    if (replacementCrossesWindowHead(event, this.baseSeq)) this.degraded = true
-    this.indexCall(event, view)
-    this.indexCommand(event)
-  }
-
-  /**
-   * Current node array + degradation flag. Same revision -> same array
-   * reference (memo boundary); node object references always come from the per-seq cache.
-   * @returns the fold projection for the current window revision.
-   */
-  nodes(): { nodes: ConversationNode[]; degraded: boolean } {
-    if (this.nodesResult !== null && this.nodesResult.rev === this.rev) return this.nodesResult.value
-    let seqs: readonly number[]
-    if (this.degraded) {
-      seqs = this.degradedSeqs()
-    } else {
-      try {
-        seqs = this.surface.nodes
-      } catch (error) {
-        console.error('[web-runtime] surface fold failed, degrading to linear scan:', error)
-        this.degraded = true
-        seqs = this.degradedSeqs()
-      }
-    }
-    const out: ConversationNode[] = []
-    for (const seq of seqs) {
-      const cached = this.nodeCache.get(seq)
-      if (cached !== undefined) {
-        out.push(cached)
-        continue
-      }
-      const event = this.padded[seq]
-      /* v8 ignore next -- sparse guard: both seq sources (surface fold and degradedSeqs) only emit indexes present in padded. */
-      if (event === undefined) continue
-      const node = materializeNode(event, this.callIdx, this.resultViews.get(seq) ?? null)
-      this.nodeCache.set(seq, node)
-      out.push(node)
-    }
-    // Command nodes fold outside the surface (log-only events); merge by seq.
-    // Both inputs are seq-ascending (surface order and run-index insertion
-    // order share the log order), so one linear merge keeps flow order.
-    let nodes = out
-    if (this.commandIdx.size > 0) {
-      nodes = []
-      const commands = [...this.commandIdx.values()]
-      let next = 0
-      for (const node of out) {
-        for (let cmd = commands[next]; cmd !== undefined && cmd.seq < node.seq; cmd = commands[++next]) {
-          nodes.push(cmd)
-        }
-        nodes.push(node)
-      }
-      for (let cmd = commands[next]; cmd !== undefined; cmd = commands[++next]) nodes.push(cmd)
-    }
-    const value = { nodes, degraded: this.degraded }
-    this.nodesResult = { rev: this.rev, value }
-    return value
-  }
-
-  /** Degradation branch: lenient linear scan ignoring surfaceOp/replace (all surface-eligible events in append order). */
-  private degradedSeqs(): number[] {
-    const seqs: number[] = []
-    for (let i = this.baseSeq; i < this.padded.length; i++) {
-      const event = this.padded[i]
-      if (event !== undefined && isSurfaceEligibleType(event.type)) seqs.push(event.seq)
-    }
-    return seqs
-  }
-
-  /** Fold one command lifecycle event into its node (run mints, done settles in place; done-only soft-falls). */
-  private indexCommand(event: SessionEvent): void {
-    // Log-only plugin events: the host-side dsh-commands declaration cannot
-    // enter the client program, so this wire consumer narrows structurally
-    // (the same posture as tool/code-dispatch in session.ts).
-    if ((event.type as string) === 'command/run') {
-      const data = event.data as unknown as { commandId: CommandId; name: string; args: string }
-      this.commandIdx.set(data.commandId, {
-        kind: 'command', seq: event.seq, time: event.time,
-        commandId: data.commandId, name: data.name, args: data.args, outcome: null,
-      })
-      return
-    }
-    if ((event.type as string) !== 'command/done') return
-    const data = event.data as unknown as { commandId: CommandId; kind: 'success' | 'error'; text?: string }
-    const run = this.commandIdx.get(data.commandId)
-    const outcome = { kind: data.kind, ...data.text === undefined ? {} : { text: data.text } }
-    if (run === undefined) {
-      // Cross-window cut: the run page fell out of the window — build the
-      // node from the done alone (same soft-fall as a call-less tool result).
-      this.commandIdx.set(data.commandId, {
-        kind: 'command', seq: event.seq, time: event.time,
-        commandId: data.commandId, name: null, args: null, outcome,
-      })
-      return
-    }
-    // Settle in place: a fresh node object (published references stay immutable).
-    this.commandIdx.set(data.commandId, { ...run, outcome })
-  }
-
-  private indexCall(event: SessionEvent, view?: ToolEventView): void {
-    if (event.type === 'tool/result') {
-      if (view?.for === 'result') this.resultViews.set(event.seq, view.view)
-      return
-    }
-    if (event.type !== 'tool/call') return
-    this.callIdx.set(String(event.data.callId), {
-      name: event.data.name, argsRaw: event.data.arguments, turn: event.data.turn, step: event.data.step,
-      time: event.time,
-      callView: view?.for === 'call' ? view.view : null,
-    })
-    // No backfill into already-materialized tool-result nodes for this callId
-    // (window order puts the call before its result; cannot happen on the normal path).
-  }
-}
diff --git a/packages/client/runtime/src/client/sessions/manager.ts b/packages/client/runtime/src/client/sessions/manager.ts
index 4ba134b321..a89d8dbc31 100644
--- a/packages/client/runtime/src/client/sessions/manager.ts
+++ b/packages/client/runtime/src/client/sessions/manager.ts
@@ -2,7 +2,10 @@
 // dispatch entry + list state, constructed and held by SessionsService (one per client runtime).
 // List data never enters zustand; React connects via subscribe/getListSnapshot.
 
-import type { IApiClient, HostFrame, MuxFrame, RpcError, RpcRequest, RpcResult, SessionId, SessionSummary, WorkspaceId } from '@deepseek-ai/dsh-client-connection/client'
+import type {
+  IApiClient, HostFrame, MuxFrame, RpcError, RpcRequest, RpcResult, SessionId,
+  SessionSummary, WorkspaceId,
+} from '@deepseek-ai/dsh-client-connection/client'
 // Value import from the inline-safe wire layer (not the connection plugin):
 // plugin-to-plugin value imports are a bundle purity error.
 import { transportError } from '@deepseek-ai/dsh-host-apiproxy/api'
@@ -27,6 +30,12 @@ import { Session } from './session.ts'
  */
 export type SessionListPhase = 'pending' | 'ready'
 
+/** Request-local content hit returned to sidebar search consumers. */
+export interface SessionSearchResultItem {
+  sessionId: SessionId
+  snippet: string
+}
+
 /** Immutable session-list snapshot for useSessionList. */
 export interface SessionListSnapshot {
   items: readonly SessionListEntry[]
@@ -248,6 +257,24 @@ export class SessionManager {
     return this.listInflight
   }
 
+  /**
+   * Search visible session message content without adding transient query
+   * state to the list snapshot.
+   * @param query - non-blank literal phrase.
+   * @param signal - cancellation for superseded UI queries.
+   * @returns the Host result or a folded transport error.
+   */
+  async search(
+    query: string,
+    signal: AbortSignal,
+  ): Promise<RpcResult<{ items: SessionSearchResultItem[]; hasMore: boolean }>> {
+    try {
+      return (await this.api.sessions.search({ query }, signal)).result
+    } catch (error: unknown) {
+      return transportError(error)
+    }
+  }
+
   /**
    * Contract session.create; on success merge into summaries immediately (no
    * wait for the next refresh). A created session is blank by definition
diff --git a/packages/client/runtime/src/client/sessions/request-inspection.ts b/packages/client/runtime/src/client/sessions/request-inspection.ts
index bba937f4db..49ff8d974f 100644
--- a/packages/client/runtime/src/client/sessions/request-inspection.ts
+++ b/packages/client/runtime/src/client/sessions/request-inspection.ts
@@ -8,6 +8,7 @@ import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
 import type {
   AssistantProvenanceView, AssistantRequestConfig,
 } from './conversation.ts'
+import { displayFailureMessage } from './failure-display.ts'
 
 export type {
   AssistantProvenanceView, AssistantRequestConfig,
@@ -35,40 +36,55 @@ export interface RequestPromptChange {
   previous?: ConversationPromptSnapshot
 }
 
-/** One provider request reconstructed from durable request lifecycle events. */
-export interface RequestView {
-  /** Request category; compaction is a purpose, not a separate projection. */
-  purpose: 'assistant' | 'compaction'
+/** Lifecycle fields shared by ordinary generation and compaction requests. */
+interface RequestViewBase {
   /** Sequence that opened the operation represented by this request. */
   startSeq: number
-  turn: number
-  /** Agent-loop step, or zero for a direct compaction request. */
-  step: number
   startedAt: number
   completedAt: number | null
   status: 'running' | 'complete' | 'error'
   error?: string
-  /** Effective ordinary request input, inherited until a later header changes it. */
-  prompt?: ConversationPromptSnapshot
-  /** Prompt change logged while preparing this request. */
-  promptChange?: RequestPromptChange
   provenance?: AssistantProvenanceView
   requestConfig?: AssistantRequestConfig
   usage?: unknown
   /** Assistant message or compaction summary sequence produced by this request. */
   resultSeq?: number
+}
+
+/** One ordinary assistant generation reconstructed from durable request events. */
+interface AssistantRequestView extends RequestViewBase {
+  purpose: 'assistant'
+  turn: number
+  /** Agent-loop step that issued this request. */
+  step: number
+  /** Effective ordinary request input, inherited until a later header changes it. */
+  prompt?: ConversationPromptSnapshot
+  /** Prompt change logged while preparing this request. */
+  promptChange?: RequestPromptChange
+  /** Retry ordinal scheduled after a failed ordinary request. */
+  retry?: number
+  maxRetries?: number
+  retryDelayMs?: number
+}
+
+/** One compaction provider request, either turn-owned or standalone between turns. */
+interface CompactionRequestView extends RequestViewBase {
+  purpose: 'compaction'
+  /** Owning turn, or `null` when manual compaction ran between turns. */
+  turn: number | null
+  /** Direct compaction requests do not consume an agent-loop step. */
+  step: 0
   /** Compaction replacement message sequence, when one was committed. */
   replacementSeq?: number
   /** Safe compaction summary projection. */
   summary?: readonly ContentBlock[]
   /** Complete compaction provider output before the safe projection. */
   rawOutput?: readonly ContentBlock[]
-  /** Retry ordinal scheduled after a failed ordinary request. */
-  retry?: number
-  maxRetries?: number
-  retryDelayMs?: number
 }
 
+/** One provider request reconstructed from durable request lifecycle events. */
+export type RequestView = AssistantRequestView | CompactionRequestView
+
 /** Immutable request-centric projection derived from one history window. */
 export interface RequestInspectionSnapshot {
   requests: readonly RequestView[]
@@ -110,7 +126,7 @@ interface CompactionStartEvent {
   type: 'compact/start'
   seq: number
   time: number
-  data: { turn: number }
+  data: { turn: number | null }
 }
 
 interface CompactionSummaryEvent {
@@ -131,7 +147,7 @@ interface CompactionEndEvent {
   type: 'compact/end'
   seq: number
   time: number
-  data: { turn: number; error?: string }
+  data: { turn: number | null; error?: string }
 }
 
 function requestKey(turn: number, step: number): string {
@@ -228,10 +244,21 @@ function deriveRequests(events: readonly SessionEvent[]): readonly RequestView[]
   let activePrompt: ConversationPromptSnapshot | undefined
   let activeCompaction: number | undefined
 
-  const update = (index: number | undefined, change: Partial<RequestView>): void => {
+  const updateAssistant = (
+    index: number | undefined,
+    change: Partial<Omit<AssistantRequestView, 'purpose'>>,
+  ): void => {
     if (index === undefined) return
     const request = requests[index]
-    if (request !== undefined) requests[index] = { ...request, ...change }
+    if (request?.purpose === 'assistant') requests[index] = { ...request, ...change }
+  }
+  const updateCompaction = (
+    index: number | undefined,
+    change: Partial<Omit<CompactionRequestView, 'purpose'>>,
+  ): void => {
+    if (index === undefined) return
+    const request = requests[index]
+    if (request?.purpose === 'compaction') requests[index] = { ...request, ...change }
   }
 
   for (const sourceEvent of events) {
@@ -263,7 +290,7 @@ function deriveRequests(events: readonly SessionEvent[]): readonly RequestView[]
       }
       const change = promptChange(activePrompt, prompt, sourceEvent)
       activePrompt = prompt
-      update(activeStep === undefined ? undefined : ordinaryByStep.get(activeStep), {
+      updateAssistant(activeStep === undefined ? undefined : ordinaryByStep.get(activeStep), {
         prompt,
         requestConfig: prompt.config,
         ...(change === undefined ? {} : { promptChange: change }),
@@ -278,8 +305,11 @@ function deriveRequests(events: readonly SessionEvent[]): readonly RequestView[]
         requestKey(sourceEvent.data.turn, sourceEvent.data.step),
       )
       const request = index === undefined ? undefined : requests[index]
-      update(index, {
-        usage: addTokenUsage(request?.usage, sourceEvent.data.chunk.usage),
+      updateAssistant(index, {
+        usage: addTokenUsage(
+          request?.purpose === 'assistant' ? request.usage : undefined,
+          sourceEvent.data.chunk.usage,
+        ),
       })
       continue
     }
@@ -288,7 +318,7 @@ function deriveRequests(events: readonly SessionEvent[]): readonly RequestView[]
         requestKey(sourceEvent.data.turn, sourceEvent.data.step),
       )
       const request = index === undefined ? undefined : requests[index]
-      update(index, {
+      updateAssistant(index, {
         completedAt: sourceEvent.time,
         status: 'complete',
         resultSeq: sourceEvent.seq,
@@ -296,7 +326,9 @@ function deriveRequests(events: readonly SessionEvent[]): readonly RequestView[]
           provider: sourceEvent.data.message.source.provider,
           model: sourceEvent.data.message.source.model,
         },
-        ...(request?.usage !== undefined || sourceEvent.data.usage === undefined
+        ...(request?.purpose === 'assistant'
+          && request.usage !== undefined
+          || sourceEvent.data.usage === undefined
           ? {}
           : { usage: sourceEvent.data.usage }),
       })
@@ -306,8 +338,8 @@ function deriveRequests(events: readonly SessionEvent[]): readonly RequestView[]
       const key = requestKey(sourceEvent.data.turn, sourceEvent.data.step)
       const index = ordinaryByStep.get(key)
       const request = index === undefined ? undefined : requests[index]
-      if (request?.status === 'running') {
-        update(index, {
+      if (request?.purpose === 'assistant' && request.status === 'running') {
+        updateAssistant(index, {
           completedAt: sourceEvent.time,
           status: 'error',
         })
@@ -317,16 +349,34 @@ function deriveRequests(events: readonly SessionEvent[]): readonly RequestView[]
     }
     if ((sourceEvent.type as string) === 'llm/retry') {
       const event = sourceEvent as unknown as RetryEvent
-      update(ordinaryByStep.get(requestKey(event.data.turn, event.data.step)), {
+      updateAssistant(ordinaryByStep.get(requestKey(event.data.turn, event.data.step)), {
         status: 'error',
-        error: event.data.failure.message,
+        error: displayFailureMessage(event.data.failure),
         retry: event.data.retry,
         maxRetries: event.data.maxRetries,
         retryDelayMs: event.data.delayMs,
       })
       continue
     }
+    if (sourceEvent.type === 'turn/end' && sourceEvent.data.reason.kind === 'error') {
+      const reason = sourceEvent.data.reason
+      updateAssistant(ordinaryByStep.get(requestKey(sourceEvent.data.turn, reason.step)), {
+        status: 'error',
+        error: displayFailureMessage('failure' in reason ? reason.failure : reason),
+      })
+      continue
+    }
+
     const type = sourceEvent.type as string
+    if (type === 'session/end-seed' && activeCompaction !== undefined) {
+      updateCompaction(activeCompaction, {
+        completedAt: sourceEvent.time,
+        status: 'error',
+        error: 'Compaction was interrupted before completion.',
+      })
+      activeCompaction = undefined
+      continue
+    }
     if (type === 'compact/start') {
       const event = sourceEvent as unknown as CompactionStartEvent
       activeCompaction = requests.length
@@ -343,7 +393,7 @@ function deriveRequests(events: readonly SessionEvent[]): readonly RequestView[]
     }
     if (type === 'compact/summary' && activeCompaction !== undefined) {
       const event = sourceEvent as unknown as CompactionSummaryEvent
-      update(activeCompaction, {
+      updateCompaction(activeCompaction, {
         resultSeq: event.seq,
         summary: event.data.summary,
         ...(event.data.rawOutput === undefined ? {} : { rawOutput: event.data.rawOutput }),
@@ -366,12 +416,12 @@ function deriveRequests(events: readonly SessionEvent[]): readonly RequestView[]
       && activeCompaction !== undefined
       && isCompactionSource(sourceEvent.data.source)
     ) {
-      update(activeCompaction, { replacementSeq: sourceEvent.seq })
+      updateCompaction(activeCompaction, { replacementSeq: sourceEvent.seq })
       continue
     }
     if (type !== 'compact/end' || activeCompaction === undefined) continue
     const event = sourceEvent as unknown as CompactionEndEvent
-    update(activeCompaction, {
+    updateCompaction(activeCompaction, {
       completedAt: event.time,
       status: event.data.error === undefined ? 'complete' : 'error',
       ...(event.data.error === undefined ? {} : { error: event.data.error }),
diff --git a/packages/client/runtime/src/client/sessions/service.ts b/packages/client/runtime/src/client/sessions/service.ts
index 342fc3b62e..93ecb3c791 100644
--- a/packages/client/runtime/src/client/sessions/service.ts
+++ b/packages/client/runtime/src/client/sessions/service.ts
@@ -16,7 +16,12 @@
  * survives frozen (read-only view) until the stage moves on.
  */
 import type { Context, Fiber } from 'cordis'
-import type { IApiClient, RpcError, SessionId, WorkspaceId } from '@deepseek-ai/dsh-client-connection/client'
+import type {
+  IApiClient, RpcError, RpcResult, SessionId, WorkspaceId,
+} from '@deepseek-ai/dsh-client-connection/client'
+// Value import from the inline-safe wire layer (not the connection plugin):
+// plugin-to-plugin value imports are a bundle purity error.
+import { SESSION_SEARCH_RESULT_LIMIT } from '@deepseek-ai/dsh-host-apiproxy/api'
 import type {
   HostObservable, SessionMaybeProvideInfo, SessionProvideInfo,
 } from '@deepseek-ai/dsh-client-ui-slots'
@@ -26,7 +31,7 @@ import type { SessionFace } from '../contract/session.ts'
 import type { ISessions } from '../contract/sessions.ts'
 import { createScope, scopeOf as scopeTagOf } from '../agents/scope.ts'
 import { SessionManager } from './manager.ts'
-import type { SessionListPhase } from './manager.ts'
+import type { SessionListPhase, SessionSearchResultItem } from './manager.ts'
 import { SessionProvideChannel } from './provide.ts'
 import type { Session } from './session.ts'
 
@@ -189,6 +194,13 @@ export interface SessionProvideDescriptor {
 
 /** Root sessions service: list store, current selection, object-layer manager, scope tree, bindings, ancestry. */
 export class SessionsService implements ISessions {
+  /**
+   * The wire schema's own result bound, re-exposed for presentation plugins as
+   * injected data. Not per-connection state: the `session.search` response
+   * schema caps `items` at this constant, so every transport (fixture included)
+   * reports the same number.
+   */
+  readonly searchResultLimit = SESSION_SEARCH_RESULT_LIMIT
   /** List snapshot store (list RPC + host stream increments; re-pulled on reconnect) — the useSessions standard feed, current included. */
   readonly list: SnapshotStore<SessionListState>
   /** The object-layer instance cluster and frame dispatch entry. */
@@ -228,7 +240,10 @@ export class SessionsService implements ISessions {
    * @param ctx - client root context (scope fibers mount under it).
    * @param api - wire client shared with every Session.
    */
-  constructor(private readonly rootCtx: Context, api: IApiClient) {
+  constructor(
+    private readonly rootCtx: Context,
+    api: IApiClient,
+  ) {
     this.selection = createSnapshotStore<{ sessionId?: SessionId }>(
       {},
       { persist: { name: 'dsh.sessions.current' } })
@@ -307,6 +322,20 @@ export class SessionsService implements ISessions {
     return this.manager.refreshList()
   }
 
+  /**
+   * Search the Host's visible message-content index. Results stay
+   * request-local; the list snapshot remains the metadata authority.
+   * @param query - non-blank literal phrase.
+   * @param signal - cancellation for a superseded search.
+   * @returns bounded results or a business/transport error.
+   */
+  search(
+    query: string,
+    signal: AbortSignal,
+  ): Promise<RpcResult<{ items: SessionSearchResultItem[]; hasMore: boolean }>> {
+    return this.manager.search(query, signal)
+  }
+
   /**
    * Route a mux stream envelope into the Session object layer.
    * @param envelope - validated mux stream envelope.
diff --git a/packages/client/runtime/src/client/sessions/session.ts b/packages/client/runtime/src/client/sessions/session.ts
index a686477d23..1d022d933b 100644
--- a/packages/client/runtime/src/client/sessions/session.ts
+++ b/packages/client/runtime/src/client/sessions/session.ts
@@ -2,6 +2,7 @@
 
 import type { Context } from 'cordis'
 import type { ContentBlock } from '@deepseek-ai/dsh-llm/types'
+import type { LlmRetryEventData } from '@deepseek-ai/dsh-llm-retry/types'
 import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
 import type {
   HistoryEntry, IApiClient, MessageId, MuxFrame, QueueAction, RpcError,
@@ -12,12 +13,13 @@ import type {
 import { transportError } from '@deepseek-ai/dsh-host-apiproxy/api'
 import type { SessionFace } from '../contract/session.ts'
 import type {
-  CodeSubCall, ComposerPhase, ConversationNode, ConversationSnapshot, OpenState,
-  PromptError, QueuedMessage, RunningToolCall,
+  CodeSubCall, ComposerPhase, ConversationNode, ConversationSnapshot, ModelRetryNode,
+  OpenState, PromptError, QueuedMessage, RunningToolCall,
 } from './conversation.ts'
 import type { PendingInteraction } from './pending.ts'
 import { PendingWait } from './pending.ts'
-import { FoldAdapter } from './fold-adapter.ts'
+import { TranscriptAdapter } from './transcript-adapter.ts'
+import { displayFailureMessage } from './failure-display.ts'
 import { Notifier } from './notifier.ts'
 import { PartialAccumulator } from './partial.ts'
 import { ProjectionValueStore } from './projection-store.ts'
@@ -26,6 +28,10 @@ import type { ProjectionsBaseline } from './projection-store.ts'
 /** Messages requested per history page. */
 export const PAGE_MESSAGES = 50
 
+// Browser bundles cannot value-import the host timeout library. This protocol
+// bound is pinned to @deepseek-ai/dsh-timeout's MAX_TIMER_DELAY_MS in tests.
+const MAX_RETRY_DELAY_MS = 2_147_483_647
+
 /** Manager-owned observers of a Session object's local state edges. */
 export interface SessionOptions {
   /**
@@ -85,12 +91,13 @@ export class Session implements SessionFace {
    *  passes drop all writes once the generation moves on. */
   private openGeneration = 0
   private loadingOlder = false
-  private readonly foldAdapter = new FoldAdapter()
+  private readonly transcript = new TranscriptAdapter()
   private partial: PartialAccumulator | null = null
   private openCalls = new Map<string, RunningToolCall>()
-  /** Interrupted-turn terminal nodes (frozen partial text / aborted tool cards), merged into the flow by seq.
-   *  Derived from window events (turn/end sweep) — rebuilt by rebuildDerivedFromWindow like partial/openCalls. */
-  private frozenNodes: ConversationNode[] = []
+  /** Operational notices and interrupted-turn terminal nodes merged into the flow by seq.
+   *  Derived from window events and rebuilt with partial/openCalls; the transcript is
+   *  seq-monotonic, so a plain seq merge preserves event order. */
+  private derivedNodes: ConversationNode[] = []
   private pending = new Map<string, PendingInteraction>()
   // Revision counters preserve array identity when derived content is unchanged, so
   // React.memo children survive unrelated snapshot swaps (chunk storms must not re-render every
@@ -100,12 +107,12 @@ export class Session implements SessionFace {
   private callsCache: { rev: number; value: RunningToolCall[] } | null = null
   private pendingRev = 0
   private pendingCache: { rev: number; value: PendingInteraction[] } | null = null
+  private derivedRev = 0
+  private nodesCache: { projected: readonly ConversationNode[]; derivedRev: number; value: readonly ConversationNode[] } | null = null
   /** Authoritative stream-only inbox snapshot; pending work never hits history. */
   private queued: QueuedMessage[] = []
   private queueRev = 0
   private queueCache: { rev: number; value: QueuedMessage[] } | null = null
-  private frozenRev = 0
-  private nodesCache: { folded: readonly ConversationNode[]; frozenRev: number; value: readonly ConversationNode[] } | null = null
   /** `run_code` sub-dispatches by parent callId (window-derived, like openCalls). Appends
    *  copy-on-write the per-parent array so published snapshot references never mutate. */
   private codeDispatches = new Map<string, readonly CodeSubCall[]>()
@@ -241,7 +248,8 @@ export class Session implements SessionFace {
   }
 
   /**
-   * Stop: contract session.cancel 1:1; failures land in promptError (same error-strip display slot).
+   * Stop the active turn while the Host preserves pending inbox work; failures
+   * land in promptError (same error-strip display slot).
    * @returns the cancel result.
    */
   async cancel(): Promise<RpcResult<{ accepted: true }>> {
@@ -331,7 +339,7 @@ export class Session implements SessionFace {
       /* v8 ignore next -- the ?? arm needs older[0] undefined, but the empty-page branch above already returned. */
       this.baseSeq = older[0]?.event.seq ?? this.baseSeq
       this.hasMore = result.value.hasMore
-      this.foldAdapter.reset(this.events, this.baseSeq, this.views) // prepend forces a rebuild (sentinel count changed)
+      this.transcript.reset(this.events, this.views) // prepend forces a rebuild (the window grew at the head)
       this.rebuildDerivedFromWindow()
     } catch (error) {
       console.error('[web-runtime] loadOlder failed:', error)
@@ -564,7 +572,7 @@ export class Session implements SessionFace {
     this.views = entries.map(e => e.view)
     this.baseSeq = this.events[0]?.seq ?? 0
     this.hasMore = hasMore
-    this.foldAdapter.reset(this.events, this.baseSeq, this.views)
+    this.transcript.reset(this.events, this.views)
     this.rebuildDerivedFromWindow()
     if (projections !== undefined) this.projections.seed(projections)
     const buffered = this.liveBuffer
@@ -579,14 +587,15 @@ export class Session implements SessionFace {
     if (tailSeq !== null && event.seq <= tailSeq) return // replay overlap, drop
     this.events.push(event)
     this.views.push(view)
-    this.foldAdapter.append(event, view)
+    this.transcript.append(event, view)
     this.applyEventSideEffects(event, view)
   }
 
   /** Land a live session/event (open/repair in flight -> buffer; overlapping seq -> drop;
    *  a seq gap -> buffer + tail-page repull instead of appending a hole (audit S3: a gap is an
-   *  expected reconnect-window artifact, repaired by refetch — never fed to the fold to trip
-   *  its continuity assertion into the degraded view). */
+   *  expected reconnect-window artifact, repaired by refetch). The window stays one contiguous
+   *  raw range, which is what lets the transcript render every event between its ends and lets a
+   *  compaction checkpoint find its own provenance. */
   private acceptLiveEvent(event: SessionEvent, view?: ToolEventView): void {
     if (this.openState === 'loading' || this.stitching) {
       this.liveBuffer.push({ event, view })
@@ -625,8 +634,28 @@ export class Session implements SessionFace {
   }
 
   /** Per-event side effects (right column of the §A.9 dispatch table):
-   *  chunk accumulation / partial clear on finalize / openCalls add-remove. */
+   *  chunk/retry projection and openCalls add-remove. */
   private applyEventSideEffects(event: SessionEvent, view?: ToolEventView): void {
+    const eventType = event.type as string
+    if (eventType === 'llm/retry') {
+      const data = parseRetryEventData(event.data)
+      if (data === null) {
+        console.error(`[web-runtime] ignored malformed llm/retry event at seq ${event.seq}`)
+        return
+      }
+      if (this.partial !== null && this.partial.turn === data.turn && this.partial.step === data.step) {
+        this.partial = null
+      }
+      this.derivedNodes.push({
+        kind: 'model-retry',
+        seq: event.seq,
+        time: event.time,
+        retryState: 'scheduled',
+        ...data,
+      })
+      this.derivedRev++
+      return
+    }
     // The `tool/code-dispatch-start`/`tool/code-dispatch` pair is declared by
     // the host-side dsh-tools plugin whose types cannot enter the client
     // program (its host Context merges collide with the client's), so this
@@ -687,6 +716,10 @@ export class Session implements SessionFace {
       return
     }
     switch (event.type) {
+      case 'turn/start': {
+        if (event.data.trigger.kind === 'retry') this.settleScheduledRetry('started')
+        return
+      }
       case 'assistant/chunk': {
         const { turn, step, chunk } = event.data
         if (this.partial === null || this.partial.turn !== turn || this.partial.step !== step) {
@@ -715,6 +748,25 @@ export class Session implements SessionFace {
         return
       }
       case 'turn/end': {
+        if (event.data.reason.kind === 'aborted' || event.data.reason.kind === 'disposed') {
+          this.settleScheduledRetry('cancelled', event.data.turn)
+        }
+        if (
+          event.data.reason.kind === 'error'
+          && !this.derivedNodes.some(node => node.kind === 'model-retry' && node.turn === event.data.turn)
+        ) {
+          const failure = 'failure' in event.data.reason ? event.data.reason.failure : event.data.reason
+          this.derivedNodes.push({
+            kind: 'turn-error',
+            seq: event.seq,
+            time: event.time,
+            turn: event.data.turn,
+            step: event.data.reason.step,
+            message: displayFailureMessage(failure),
+            ...(failure.code === undefined ? {} : { code: failure.code }),
+          })
+          this.derivedRev++
+        }
         // Aborted turns never finalize. The accumulated partial is VALUE, not residue: freeze it
         // into an interrupted terminal node (pulse stops, text survives) instead of deleting it.
         // Shared by live and window-replay paths, so a refresh reconstructs the same frozen node
@@ -724,12 +776,12 @@ export class Session implements SessionFace {
           const visible = blocks.some(b => (b.kind === 'text' || b.kind === 'reasoning' ? b.text !== '' : true))
           if (visible) {
             // Fractional seq: strictly after every event of this turn (all < turn/end seq), before the next turn.
-            this.frozenNodes.push({
+            this.derivedNodes.push({
               kind: 'assistant', seq: event.seq - 0.9, time: event.time,
               turn: this.partial.turn, step: this.partial.step,
               blocks, interrupted: true,
             })
-            this.frozenRev++
+            this.derivedRev++
           }
           this.partial = null
         }
@@ -739,7 +791,7 @@ export class Session implements SessionFace {
           this.openCalls.delete(callId)
           this.callsRev++
           // The spinner card becomes an interrupted terminal card (never vanishes mid-flow).
-          this.frozenNodes.push({
+          this.derivedNodes.push({
             kind: 'tool-result', seq: event.seq - 0.8 + callOffset++ * 0.01, time: event.time,
             callId,
             call: { name: call.name, argsRaw: call.argsRaw },
@@ -747,7 +799,7 @@ export class Session implements SessionFace {
             content: [], isError: true, error: { name: 'Interrupted', code: 'interrupted' },
             callView: call.callView, resultView: null,
           })
-          this.frozenRev++
+          this.derivedRev++
         }
         return
       }
@@ -756,15 +808,36 @@ export class Session implements SessionFace {
     }
   }
 
-  /** Re-derive state (partial/openCalls/frozenNodes) from raw window events after a rebuild — keeps
-   *  paging/stitching consistent, and makes the live freeze and the history replay converge on the
-   *  same interrupted nodes (chunks are logged, so the replayed sweep re-freezes identical text). */
+  /**
+   * Settle the newest scheduled retry, optionally restricted to its failed turn.
+   * @param retryState - next client projection state to publish.
+   * @param turn - failed turn required for cancellation; omitted for the next retry turn start.
+   */
+  private settleScheduledRetry(
+    retryState: Exclude<ModelRetryNode['retryState'], 'scheduled'>,
+    turn?: number,
+  ): void {
+    const index = this.derivedNodes.findLastIndex(node =>
+      node.kind === 'model-retry'
+      && node.retryState === 'scheduled'
+      && (turn === undefined || node.turn === turn))
+    if (index < 0) return
+    const node = this.derivedNodes[index]
+    /* v8 ignore next -- findLastIndex's predicate narrows the indexed node only at runtime. */
+    if (node?.kind !== 'model-retry') return
+    this.derivedNodes[index] = { ...node, retryState }
+    this.derivedRev++
+  }
+
+  /** Re-derive state (partial/openCalls/derivedNodes) from raw window events after a rebuild — keeps
+   *  paging/stitching consistent, and makes live handling and history replay converge on the same
+   *  retry notices and interrupted nodes. */
   private rebuildDerivedFromWindow(): void {
     this.partial = null
     this.openCalls.clear()
     this.callsRev++
-    this.frozenNodes = []
-    this.frozenRev++
+    this.derivedNodes = []
+    this.derivedRev++
     this.codeDispatches = new Map()
     this.dispatchesRev++
     for (let i = 0; i < this.events.length; i++) {
@@ -780,18 +853,18 @@ export class Session implements SessionFace {
   }
 
   private buildSnapshot(): ConversationSnapshot {
-    const { nodes: folded, degraded } = this.foldAdapter.nodes()
-    // Frozen interrupted nodes ride fractional seqs: a stable merge keeps them in flow order.
-    // The merged array is cached on (folded reference, frozenRev) so an unchanged flow keeps its
-    // reference across snapshot swaps (§A.9.4).
+    const projected = this.transcript.nodes()
+    // Derived interruption nodes ride fractional seqs while retry notices keep their event seq.
+    // The transcript is seq-monotonic, so sorting the union preserves flow order. Cache the
+    // merge on (projected reference, derivedRev) to retain identity across unrelated swaps.
     let nodes: readonly ConversationNode[]
-    if (this.nodesCache !== null && this.nodesCache.folded === folded && this.nodesCache.frozenRev === this.frozenRev) {
+    if (this.nodesCache !== null && this.nodesCache.projected === projected && this.nodesCache.derivedRev === this.derivedRev) {
       nodes = this.nodesCache.value
     } else {
-      nodes = this.frozenNodes.length === 0
-        ? folded
-        : [...folded, ...this.frozenNodes].sort((a, b) => a.seq - b.seq)
-      this.nodesCache = { folded, frozenRev: this.frozenRev, value: nodes }
+      nodes = this.derivedNodes.length === 0
+        ? projected
+        : [...projected, ...this.derivedNodes].sort((a, b) => a.seq - b.seq)
+      this.nodesCache = { projected, derivedRev: this.derivedRev, value: nodes }
     }
     if (this.callsCache === null || this.callsCache.rev !== this.callsRev) {
       this.callsCache = { rev: this.callsRev, value: [...this.openCalls.values()] }
@@ -809,7 +882,6 @@ export class Session implements SessionFace {
     return {
       sessionId: this.sessionId,
       nodes,
-      foldDegraded: degraded,
       partial,
       runningCalls: this.callsCache.value,
       pending: this.pendingCache.value,
@@ -835,6 +907,58 @@ export class Session implements SessionFace {
   }
 }
 
+/** Validate the plugin-owned payload at the session-event wire boundary. */
+function parseRetryEventData(value: unknown): LlmRetryEventData | null {
+  if (value === null || typeof value !== 'object') return null
+  const data = value as Record<string, unknown>
+  const failure = data.failure
+  if (failure === null || typeof failure !== 'object') return null
+  const failureData = failure as Record<string, unknown>
+  if (!nonNegativeSafeInteger(data.turn)
+    || !nonNegativeSafeInteger(data.step)
+    || typeof data.provider !== 'string'
+    || data.provider.length === 0
+    || typeof data.policyKey !== 'string'
+    || data.policyKey.length === 0
+    || !positiveSafeInteger(data.retry)
+    || typeof data.delayMs !== 'number'
+    || !Number.isFinite(data.delayMs)
+    || data.delayMs < 0
+    || data.delayMs > MAX_RETRY_DELAY_MS
+    || typeof failureData.message !== 'string'
+    || failureData.message.length === 0
+    || typeof failureData.code !== 'string'
+    || failureData.code.length === 0) return null
+  if (data.mode === 'normal') {
+    if (!positiveSafeInteger(data.maxRetries) || data.retry > data.maxRetries) return null
+  } else if (data.mode === 'always') {
+    if ('maxRetries' in data) return null
+  } else {
+    return null
+  }
+  if (failureData.status !== undefined
+    && (typeof failureData.status !== 'number'
+      || !Number.isInteger(failureData.status)
+      || failureData.status < 100
+      || failureData.status > 599)) return null
+  if (failureData.providerRetryAfterMs !== undefined
+    && (typeof failureData.providerRetryAfterMs !== 'number'
+      || !Number.isFinite(failureData.providerRetryAfterMs)
+      || failureData.providerRetryAfterMs <= 0)) return null
+  if (failureData.requestId !== undefined
+    && (typeof failureData.requestId !== 'string'
+      || failureData.requestId.length === 0)) return null
+  return data as unknown as LlmRetryEventData
+}
+
+function nonNegativeSafeInteger(value: unknown): value is number {
+  return typeof value === 'number' && Number.isSafeInteger(value) && value >= 0
+}
+
+function positiveSafeInteger(value: unknown): value is number {
+  return nonNegativeSafeInteger(value) && value > 0
+}
+
 /**
  * The composerPhase judgment — the single site that knows the predicate
  * (consumers switch on the result, never re-derive). Monotone per session
diff --git a/packages/client/runtime/src/client/sessions/transcript-adapter.ts b/packages/client/runtime/src/client/sessions/transcript-adapter.ts
new file mode 100644
index 0000000000..6fae44ede4
--- /dev/null
+++ b/packages/client/runtime/src/client/sessions/transcript-adapter.ts
@@ -0,0 +1,328 @@
+// TranscriptAdapter: the human transcript projected from the raw event window
+// in LOG order. The model-visible surface deliberately shadows replaced ranges,
+// so it is the wrong source for conversation a reader already saw; this adapter
+// keeps every append-origin event at its own log position and contributes one
+// marker node per landed compaction checkpoint. Node order is therefore
+// seq-monotonic by construction — no surface fold, no padding sentinels, no
+// seq === index assertion to satisfy, and no degradation branch.
+
+import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
+// Subpath export (package.json exports "./surface", alias added for this): all value imports
+// go through it — the package root points at lib/index.js (needs a build) which the vite
+// browser bundle cannot resolve; surface.ts has no Node dependencies.
+import { isAppendSurfaceEvent, isReplacementSurfaceEvent } from '@deepseek-ai/dsh-session/surface'
+import type { CommandId } from '@deepseek-ai/dsh-commands/brand'
+// Cordis-free leaf subpath (the dsh-commands/brand shape): the seam's own
+// declaration of the checkpoint source, reachable as a TYPE from this program.
+// The package ROOT is not — it reaches dsh-session's root, whose Context merge
+// declares the HOST `sessions: SessionStore` against this program's
+// `sessions: ISessions` (TS2717, the one-program-per-side rule in
+// docs/development.md).
+import type { COMPACT_CHECKPOINT_SOURCE } from '@deepseek-ai/dsh-compact/checkpoint'
+import type { ToolCallView, ToolEventView, ToolResultView } from '@deepseek-ai/dsh-client-connection/client'
+import type { CommandNode, CompactionSummaryNode, ConversationNode } from './conversation.ts'
+import { toAssistantBlocks } from './conversation.ts'
+
+/**
+ * The compaction seam's checkpoint plugin, pinned to the seam's own declaration
+ * at COMPILE time: renaming it there fails this annotation (`TS2322`). The
+ * import stays type-only because a value import would fail the client purity
+ * gate (`packages/client/tsdown.client.ts`) — cross-plugin value imports are
+ * forbidden in a browser bundle — while an erased type never reaches it.
+ * `tests/compact-checkpoint-pin.spec.ts` covers the same drift behaviorally.
+ */
+const COMPACT_PLUGIN: typeof COMPACT_CHECKPOINT_SOURCE.plugin = 'compact'
+
+/** In-window tool/call index entry used to materialize result cards. */
+interface CallIndexEntry {
+  name: string
+  argsRaw: string
+  turn: number
+  step: number
+  /** Unix epoch ms of the tool/call event. */
+  time: number
+  /** Wire view riding the tool/call (envelope-level; never inside the event). */
+  callView: ToolCallView | null
+}
+
+/** One event -> UI node (pure function; the eight-variant ConversationNode union). */
+function materializeNode(
+  event: SessionEvent,
+  callIndex: ReadonlyMap<string, CallIndexEntry>,
+  resultView: ToolResultView | null,
+): ConversationNode {
+  switch (event.type) {
+    case 'user/message':
+      // Injected context (plugin/goal source) folds to a context node, not a
+      // user message; only a direct human prompt is a user node. A compaction
+      // checkpoint never reaches here (isCompactCheckpoint routes it away).
+      if (event.data.source.kind !== 'user') {
+        return {
+          kind: 'context', seq: event.seq, time: event.time,
+          content: event.data.content, source: event.data.source,
+        }
+      }
+      return {
+        kind: 'user', seq: event.seq, time: event.time,
+        content: event.data.content, source: event.data.source,
+      }
+    case 'assistant/message':
+      return {
+        kind: 'assistant', seq: event.seq, time: event.time,
+        turn: event.data.turn, step: event.data.step,
+        blocks: toAssistantBlocks(event.data.message.content), usage: event.data.usage,
+      }
+    case 'steering/message':
+      return {
+        kind: 'steering', seq: event.seq, time: event.time, turn: event.data.turn,
+        content: event.data.message.content, source: event.data.message.source,
+      }
+    case 'tool/result': {
+      const result = event.data.message.content[0]
+      const callId = String(event.data.message.source.callId)
+      const call = callIndex.get(callId)
+      return {
+        kind: 'tool-result', seq: event.seq, time: event.time,
+        callId,
+        call: call ? { name: call.name, argsRaw: call.argsRaw } : null,
+        callTime: call?.time ?? null,
+        content: result.content, isError: result.isError === true,
+        ...(event.data.error !== undefined ? { error: event.data.error } : {}),
+        meta: event.data.meta,
+        callView: call?.callView ?? null,
+        resultView,
+      }
+    }
+    /* v8 ignore next 2 -- defensive arm: only the four surface-eligible types
+    can be append-origin, and each has a case above; reachable only if core
+    adds an eligible type. */
+    default:
+      return {
+        kind: 'unknown', seq: event.seq, time: event.time,
+        type: event.type, data: (event as { data?: unknown }).data,
+      }
+  }
+}
+
+/**
+ * Whether an event is a landed compaction checkpoint — all three conditions,
+ * matching the terminal's `isCompactCheckpoint`: a `user/message`, carrying the
+ * compaction seam's checkpoint plugin source, that REPLACED a surface range. A
+ * plugin-sourced `user/message` that appends is injected context (a
+ * session-reference card), not a compaction; a replacement `tool/result` is an
+ * in-place prune and a replacement `assistant/message` a generic rewrite, and
+ * both mark no boundary in the conversation.
+ * @param event - the raw window event.
+ * @returns true when the event compacted a surface range.
+ */
+function isCompactCheckpoint(event: SessionEvent): boolean {
+  if (event.type !== 'user/message') return false
+  const source = event.data.source
+  return source.kind === 'plugin' && source.plugin === COMPACT_PLUGIN
+    && isReplacementSurfaceEvent(event)
+}
+
+/** Whether an event contributes a node to the human transcript. */
+function isTranscriptEvent(event: SessionEvent): boolean {
+  return isAppendSurfaceEvent(event) || isCompactCheckpoint(event)
+}
+
+/**
+ * Concatenated text of a `compact/summary` payload, or null when it carries no
+ * usable text. The payload is a `ContentBlock[]` whose union is
+ * merge-extensible, so a non-text block is skipped rather than discarding the
+ * text beside it; a payload with no text block at all falls to null through the
+ * empty check.
+ */
+function compactSummaryText(event: SessionEvent): string | null {
+  const summary = (event.data as unknown as { summary?: unknown }).summary
+  if (!Array.isArray(summary)) return null
+  let text = ''
+  for (const block of summary as readonly unknown[]) {
+    const candidate = block as { type?: unknown; text?: unknown }
+    if (candidate.type !== 'text' || typeof candidate.text !== 'string') continue
+    text += candidate.text
+  }
+  return text.trim() === '' ? null : text
+}
+
+/**
+ * One landed checkpoint -> the human-facing compaction marker. The summary text
+ * comes from the checkpoint's own provenance (`sourceEventSeqs` names the
+ * `compact/summary` event), never from the framed checkpoint payload, which is
+ * an instruction envelope written for the model. A window cut that left the
+ * provenance outside soft-falls to `summary: null` (a non-expandable marker),
+ * the same posture as a call-less tool result.
+ */
+function materializeCompaction(
+  checkpoint: SessionEvent,
+  eventIndex: ReadonlyMap<number, SessionEvent>,
+): CompactionSummaryNode {
+  const sources = (checkpoint as SessionEvent & { sourceEventSeqs?: number[] }).sourceEventSeqs
+  let summary: string | null = null
+  for (const seq of sources ?? []) {
+    const candidate = eventIndex.get(seq)
+    if (candidate === undefined || (candidate.type as string) !== 'compact/summary') continue
+    summary = compactSummaryText(candidate)
+    break
+  }
+  return { kind: 'compaction', seq: checkpoint.seq, time: checkpoint.time, summary }
+}
+
+/** Log-ordered human transcript over a paged raw event window (never consults surface order). */
+export class TranscriptAdapter {
+  /** Window events by seq: provenance lookup for a checkpoint's summary. */
+  private eventIndex = new Map<number, SessionEvent>()
+  /** Transcript nodes in log order; copy-on-write so a published array never mutates. */
+  private projected: ConversationNode[] = []
+  private callIdx = new Map<string, CallIndexEntry>()
+  /** Wire result views keyed by the tool/result event's seq (views ride the envelope, not the event). */
+  private resultViews = new Map<number, ToolResultView>()
+  /**
+   * Command lifecycle nodes by commandId (insertion = run order). The
+   * `command/run`/`command/done` pair is log-only, so it is not a surface
+   * event and never joins the transcript projection; this index folds the pair
+   * (done settles its run's node in place) and nodes() merges the products in
+   * by seq. Window cuts soft-fall like tool pairs: a done with no in-window
+   * run still builds a node.
+   */
+  private commandIdx = new Map<string, CommandNode>()
+  /** Projection revision, bumped only when a transcript node or a command node actually
+   *  changed, keying the nodes() result cache: an unchanged projection returns the previous
+   *  ARRAY reference, not just cached elements — the snapshot's reference-stability contract
+   *  (§A.9.4) starts here, and a chunk storm bumps nothing at all. */
+  private rev = 0
+  private nodesResult: { rev: number; value: readonly ConversationNode[] } | null = null
+
+  /**
+   * Window rebuild (after open/resync/page prepend): re-index the raw window
+   * and re-project the transcript.
+   * @param events - the new window contents (seq-ascending).
+   * @param views - per-event wire views aligned with `events` by index (undefined slots for view-less events).
+   */
+  reset(events: readonly SessionEvent[], views?: readonly (ToolEventView | undefined)[]): void {
+    this.rev++
+    this.eventIndex = new Map()
+    this.callIdx = new Map()
+    this.resultViews.clear()
+    this.commandIdx = new Map()
+    for (let i = 0; i < events.length; i++) {
+      const event = events[i]
+      /* v8 ignore next -- dense-array guard: i stays within events.length, so the undefined arm needs a sparse array no caller builds. */
+      if (event === undefined) continue
+      this.eventIndex.set(event.seq, event)
+      this.indexCall(event, views?.[i])
+      this.indexCommand(event)
+    }
+    // Indexes first, then project: a tool/result materializes against the
+    // complete call index, and a checkpoint against the complete event index.
+    const projected: ConversationNode[] = []
+    for (const event of events) {
+      if (isTranscriptEvent(event)) projected.push(this.materialize(event))
+    }
+    this.projected = projected
+  }
+
+  /**
+   * Tail append (live session/event): index the event and, when it belongs to
+   * the transcript, extend the projection by one copy-on-write node so a
+   * published array never mutates. An event that changes no node (a chunk
+   * storm) bumps no revision, so nodes() keeps returning the same array
+   * reference.
+   * @param event - the live event (seq = window tail + 1).
+   * @param view - host-computed tool view paired with the event when it is a tool call/result; indexed for card rendering.
+   */
+  append(event: SessionEvent, view?: ToolEventView): void {
+    this.eventIndex.set(event.seq, event)
+    this.indexCall(event, view)
+    if (this.indexCommand(event)) this.rev++
+    if (!isTranscriptEvent(event)) return
+    this.projected = [...this.projected, this.materialize(event)]
+    this.rev++
+  }
+
+  /**
+   * The current transcript node array. Same revision -> same array reference
+   * (memo boundary); node objects are materialized once, so an unchanged node
+   * keeps its identity across appends.
+   * @returns transcript nodes in log order, command nodes merged in by seq.
+   */
+  nodes(): readonly ConversationNode[] {
+    if (this.nodesResult !== null && this.nodesResult.rev === this.rev) return this.nodesResult.value
+    // Command nodes fold outside the transcript (log-only events); merge by
+    // seq. Both inputs are seq-ascending (log order and run-index insertion
+    // order are the same order), so one linear merge keeps flow order.
+    let nodes = this.projected
+    if (this.commandIdx.size > 0) {
+      nodes = []
+      const commands = [...this.commandIdx.values()]
+      let next = 0
+      for (const node of this.projected) {
+        for (let cmd = commands[next]; cmd !== undefined && cmd.seq < node.seq; cmd = commands[++next]) {
+          nodes.push(cmd)
+        }
+        nodes.push(node)
+      }
+      for (let cmd = commands[next]; cmd !== undefined; cmd = commands[++next]) nodes.push(cmd)
+    }
+    this.nodesResult = { rev: this.rev, value: nodes }
+    return nodes
+  }
+
+  /** Materialize one transcript event against the complete current indexes. */
+  private materialize(event: SessionEvent): ConversationNode {
+    return isCompactCheckpoint(event)
+      ? materializeCompaction(event, this.eventIndex)
+      : materializeNode(event, this.callIdx, this.resultViews.get(event.seq) ?? null)
+  }
+
+  /**
+   * Fold one command lifecycle event into its node (run mints, done settles in
+   * place; done-only soft-falls).
+   * @returns whether the command index changed, so callers can bump the revision.
+   */
+  private indexCommand(event: SessionEvent): boolean {
+    // Log-only plugin events: the host-side dsh-commands declaration cannot
+    // enter the client program, so this wire consumer narrows structurally
+    // (the same posture as tool/code-dispatch in session.ts).
+    if ((event.type as string) === 'command/run') {
+      const data = event.data as unknown as { commandId: CommandId; name: string; args: string }
+      this.commandIdx.set(data.commandId, {
+        kind: 'command', seq: event.seq, time: event.time,
+        commandId: data.commandId, name: data.name, args: data.args, outcome: null,
+      })
+      return true
+    }
+    if ((event.type as string) !== 'command/done') return false
+    const data = event.data as unknown as { commandId: CommandId; kind: 'success' | 'error'; text?: string }
+    const run = this.commandIdx.get(data.commandId)
+    const outcome = { kind: data.kind, ...data.text === undefined ? {} : { text: data.text } }
+    if (run === undefined) {
+      // Cross-window cut: the run page fell out of the window — build the
+      // node from the done alone (same soft-fall as a call-less tool result).
+      this.commandIdx.set(data.commandId, {
+        kind: 'command', seq: event.seq, time: event.time,
+        commandId: data.commandId, name: null, args: null, outcome,
+      })
+      return true
+    }
+    // Settle in place: a fresh node object (published references stay immutable).
+    this.commandIdx.set(data.commandId, { ...run, outcome })
+    return true
+  }
+
+  private indexCall(event: SessionEvent, view?: ToolEventView): void {
+    if (event.type === 'tool/result') {
+      if (view?.for === 'result') this.resultViews.set(event.seq, view.view)
+      return
+    }
+    if (event.type !== 'tool/call') return
+    this.callIdx.set(String(event.data.callId), {
+      name: event.data.name, argsRaw: event.data.arguments, turn: event.data.turn, step: event.data.step,
+      time: event.time,
+      callView: view?.for === 'call' ? view.view : null,
+    })
+    // No backfill into already-materialized tool-result nodes for this callId
+    // (window order puts the call before its result; cannot happen on the normal path).
+  }
+}
diff --git a/packages/client/runtime/src/client/workspaces/manager.ts b/packages/client/runtime/src/client/workspaces/manager.ts
index ce4198cd01..ccf0c46fe1 100644
--- a/packages/client/runtime/src/client/workspaces/manager.ts
+++ b/packages/client/runtime/src/client/workspaces/manager.ts
@@ -14,6 +14,14 @@ export type WorkspaceListPhase = 'pending' | 'ready'
 /** Immutable workspace-list snapshot. */
 export interface WorkspaceListSnapshot {
   items: readonly WorkspaceView[]
+  /**
+   * Registry-global archive set in Host order (hidden from grouping
+   * surfaces; accounting slots retained). A plain array, not a Set: public
+   * snapshot state stays in the store engine's plain-data vocabulary
+   * (immer drafts reject Sets without the MapSet plugin); membership
+   * lookups build their own transient Set where they need one.
+   */
+  archivedSessionIds: readonly SessionId[]
   state: 'idle' | 'loading' | 'error'
   phase: WorkspaceListPhase
   error: RpcError | null
@@ -28,11 +36,21 @@ export class WorkspaceManager {
   private items: Workspace[] = []
   private itemViewsSource: readonly Workspace[] | null = null
   private itemViewsCache: readonly WorkspaceView[] = []
+  // Full-snapshot state (list response / unary response / changed frame all
+  // carry the complete set), so deltas never merge — installs replace.
+  private archivedSessionIds: readonly SessionId[] = []
   private state: WorkspaceListSnapshot['state'] = 'idle'
   private phase: WorkspaceListPhase = 'pending'
   private error: RpcError | null = null
   private inflight: Promise<void> | null = null
   private refreshFrames: WorkspaceDelta[] | null = null
+  /**
+   * True once a frame or unary echo installed the archive set while a list
+   * request was in flight: that install is newer than the pending baseline,
+   * so the baseline's (older) set must not roll it back — the archive
+   * mirror of replaying refreshFrames over the item baseline.
+   */
+  private archivedSupersedesRefresh = false
   /**
    * Ids this process has seen removed, kept for the connection's lifetime so
    * a late changed frame or a stale baseline row cannot resurrect a deleted
@@ -77,6 +95,7 @@ export class WorkspaceManager {
           items = items.filter(workspace => !this.removedIds.has(workspace.workspaceId))
           for (const delta of frames) items = applyWorkspaceDelta(items, delta)
           this.installViews(items)
+          if (!this.archivedSupersedesRefresh) this.installArchived(result.value.archivedSessionIds)
           this.state = 'idle'
           this.phase = 'ready'
         } else {
@@ -90,6 +109,7 @@ export class WorkspaceManager {
         this.error = folded.ok ? null : folded.error
       } finally {
         this.refreshFrames = null
+        this.archivedSupersedesRefresh = false
         this.inflight = null
         this.notifier.markDirty()
       }
@@ -158,6 +178,18 @@ export class WorkspaceManager {
     return result
   }
 
+  /**
+   * Archive one session in the registry-global set, then install the
+   * returned full set without waiting for the changed frame.
+   * @param sessionId - session to archive.
+   * @returns the wire result.
+   */
+  async archiveSession(sessionId: SessionId): Promise<RpcResult<{ archivedSessionIds: SessionId[] }>> {
+    const { result } = await this.api.workspace.archiveSession({ sessionId })
+    if (result.ok) this.installArchived(result.value.archivedSessionIds)
+    return result
+  }
+
   /**
    * Host-frame entry. Non-workspace frames are ignored so the runtime can
    * fan one host stream out to both object managers.
@@ -166,6 +198,9 @@ export class WorkspaceManager {
   handleHostEnvelope(envelope: RpcRequest<HostFrame>): void {
     if (envelope.payload.type === 'host/workspace-changed') this.upsert(envelope.payload.workspace)
     else if (envelope.payload.type === 'host/workspace-removed') this.remove(envelope.payload.workspaceId)
+    else if (envelope.payload.type === 'host/archived-sessions-changed') {
+      this.installArchived(envelope.payload.archivedSessionIds)
+    }
   }
 
   /** Re-pull the baseline after each connection generation. */
@@ -194,12 +229,26 @@ export class WorkspaceManager {
   private buildSnapshot(): WorkspaceListSnapshot {
     return {
       items: this.itemViews(),
+      archivedSessionIds: this.archivedSessionIds,
       state: this.state,
       phase: this.phase,
       error: this.error,
     }
   }
 
+  /**
+   * Replace the archive set when membership actually changed (array identity
+   * backs Object.is short-circuits). Host snapshots are append-ordered, so
+   * positional comparison is exact, not merely heuristic.
+   */
+  private installArchived(archivedSessionIds: readonly SessionId[]): void {
+    if (this.refreshFrames !== null) this.archivedSupersedesRefresh = true
+    if (archivedSessionIds.length === this.archivedSessionIds.length
+      && archivedSessionIds.every((id, index) => id === this.archivedSessionIds[index])) return
+    this.archivedSessionIds = [...archivedSessionIds]
+    this.notifier.markDirty()
+  }
+
   /** Upsert one Host view, optionally retaining the local object that materialized it. */
   private upsert(view: WorkspaceView, identity?: Workspace): void {
     if (this.removedIds.has(view.workspaceId)) return
diff --git a/packages/client/runtime/src/client/workspaces/service.ts b/packages/client/runtime/src/client/workspaces/service.ts
index 1dd3319e79..a0a76670f2 100644
--- a/packages/client/runtime/src/client/workspaces/service.ts
+++ b/packages/client/runtime/src/client/workspaces/service.ts
@@ -14,6 +14,14 @@ import { WorkspaceManager, type WorkspaceListPhase } from './manager.ts'
 /** Workspace list plus the two-baseline readiness and default-target projection. */
 export interface WorkspaceListState {
   items: readonly WorkspaceView[]
+  /**
+   * Registry-global archive set in Host order: grouping surfaces hide these
+   * sessions everywhere (workspace groups and the ungrouped bucket) while
+   * their session logs and workspace accounting slots remain. A plain array
+   * (store-engine vocabulary; immer drafts reject Sets) — membership lookups
+   * build their own transient Set.
+   */
+  archivedSessionIds: readonly SessionId[]
   state: 'idle' | 'loading' | 'error'
   phase: WorkspaceListPhase
   error: RpcError | null
@@ -58,7 +66,7 @@ export class WorkspacesService implements IWorkspaces {
   constructor(ctx: Context, private readonly api: IApiClient, private readonly sessions: SessionsPort) {
     this.manager = new WorkspaceManager(api)
     this.list = createSnapshotStore<WorkspaceListState>({
-      items: [], state: 'idle', phase: 'pending', error: null,
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'pending', error: null,
       baselinesReady: false, recentWorkspaceId: undefined,
     })
     this.manager.subscribe(() => { this.project() })
@@ -88,10 +96,14 @@ export class WorkspacesService implements IWorkspaces {
     if (inflight !== undefined) return inflight
     // Reuse: blank && same canonical cwd (workspace.path is the host realpath
     // canon; summary cwd is the session header passthrough of the same canon).
+    // An archived blank is never reused: reuse would open a session no
+    // grouping surface can show, so New Session mints a fresh one instead.
+    const archived = this.list.getSnapshot().archivedSessionIds
     const sessions = this.sessions.list.getSnapshot()
     for (const id of sessions.ids) {
       const summary = sessions.byId[id]
-      if (summary !== undefined && summary.blank && summary.cwd === workspace.path) return summary.id
+      if (summary !== undefined && summary.blank && summary.cwd === workspace.path
+        && !archived.includes(summary.id)) return summary.id
     }
     const attempt = this.sessions.create({ workspaceId })
       .finally(() => { this.connecting.delete(workspaceId) })
@@ -249,6 +261,17 @@ export class WorkspacesService implements IWorkspaces {
     if (!result.ok) throw new Error(`workspace delete failed: ${result.error.code}: ${result.error.message}`)
   }
 
+  /**
+   * Archive a session into the registry-global set. Clearing an archived
+   * current selection is the projection sweep's job (one rule for the local
+   * echo and a remote tab's frame alike).
+   * @param sessionId - session to archive.
+   */
+  async archiveSession(sessionId: SessionId): Promise<void> {
+    const result = await this.manager.archiveSession(sessionId)
+    if (!result.ok) throw new Error(`session archive failed: ${result.error.code}: ${result.error.message}`)
+  }
+
   /**
    * Move a session within its Workspace's manual order (DOM-insertBefore-like).
    * @param workspaceId - owning workspace.
@@ -291,8 +314,17 @@ export class WorkspacesService implements IWorkspaces {
     const workspace = this.manager.getSnapshot()
     const sessions = this.sessions.list.getSnapshot()
     const baselinesReady = workspace.phase === 'ready' && sessions.phase === 'ready'
+    // An archived current selection clears into the New Session view state —
+    // a hidden row must not stay open behind the list. Sweeping here covers
+    // every install path with one rule: the local unary echo, another tab's
+    // changed frame, and a reconnect baseline restoring a persisted
+    // selection that was archived while this client was away.
+    if (sessions.current !== undefined && workspace.archivedSessionIds.includes(sessions.current)) {
+      this.sessions.clear()
+    }
     this.list.set({
       items: workspace.items,
+      archivedSessionIds: workspace.archivedSessionIds,
       state: workspace.state,
       phase: workspace.phase,
       error: workspace.error,
diff --git a/packages/client/runtime/tests/client-apply.spec.ts b/packages/client/runtime/tests/client-apply.spec.ts
index d5b29f10a9..d389efe319 100644
--- a/packages/client/runtime/tests/client-apply.spec.ts
+++ b/packages/client/runtime/tests/client-apply.spec.ts
@@ -7,6 +7,7 @@ import { Context } from 'cordis'
 import { describe, expect, it } from 'vitest'
 import type { ConnectionHandle } from '@deepseek-ai/dsh-client-connection/client'
 import type { ConnectionSinks } from '@deepseek-ai/dsh-client-connection/client'
+import { SESSION_SEARCH_RESULT_LIMIT } from '@deepseek-ai/dsh-host-apiproxy/api'
 import * as RuntimeClient from '../src/client/index.ts'
 import type { SessionsService } from '../src/client/sessions/service.ts'
 import type { WorkspacesService } from '../src/client/workspaces/service.ts'
@@ -50,6 +51,8 @@ describe('runtime client apply', () => {
     const workspaces = bench.ctx.get('workspaces')
     expect(sessions !== undefined).toBe(true)
     expect(workspaces !== undefined).toBe(true)
+    // The bound the wire schema enforces, not a per-connection negotiation.
+    expect((sessions as SessionsService).searchResultLimit).toBe(SESSION_SEARCH_RESULT_LIMIT)
     if (workspaces === undefined) throw new Error('WorkspacesService missing after runtime apply')
     expect(bench.sinks).toBeDefined()
 
diff --git a/packages/client/runtime/tests/compact-checkpoint-pin.spec.ts b/packages/client/runtime/tests/compact-checkpoint-pin.spec.ts
new file mode 100644
index 0000000000..ddc6c8adc5
--- /dev/null
+++ b/packages/client/runtime/tests/compact-checkpoint-pin.spec.ts
@@ -0,0 +1,49 @@
+/**
+ * Behavioral half of the compaction-checkpoint drift trap.
+ *
+ * `TranscriptAdapter` pins its plugin literal to the seam's own declaration at
+ * compile time through a type-only import of `dsh-compact/checkpoint`, so
+ * renaming the seam's plugin already fails `tsc`. This spec covers the same
+ * drift from the other side — end to end through the adapter, driving it with a
+ * checkpoint built from the canonical `COMPACT_CHECKPOINT_SOURCE` value and
+ * checking the seam's own predicate agrees. Both values come from the
+ * cordis-free checkpoint leaf, so the client test program never loads the host
+ * package root or its `Context` merges.
+ */
+
+import { COMPACT_CHECKPOINT_SOURCE, isCompactCheckpointSource } from '@deepseek-ai/dsh-compact/checkpoint'
+import { createUserMessage } from '@deepseek-ai/dsh-llm'
+import { describe, expect, it } from 'vitest'
+import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
+import { TranscriptAdapter } from '../src/client/sessions/transcript-adapter.ts'
+
+/** A replacement user message stamped with the seam's own canonical source. */
+function canonicalCheckpoint(seq: number): SessionEvent {
+  return {
+    type: 'user/message',
+    seq,
+    time: 1_700_000_000_000 + seq,
+    surfaceOp: { op: 'replace', start: 0, end: 0 },
+    sourceEventSeqs: [0],
+    data: createUserMessage({
+      content: [{ type: 'text', text: '<context_checkpoint>model only</context_checkpoint>' }],
+      source: COMPACT_CHECKPOINT_SOURCE,
+    }),
+  } as unknown as SessionEvent
+}
+
+describe('compaction checkpoint recognition', () => {
+  it('recognizes a checkpoint carrying the seam-canonical source', () => {
+    const adapter = new TranscriptAdapter()
+    adapter.reset([canonicalCheckpoint(1)])
+    expect(adapter.nodes()).toEqual([{ kind: 'compaction', seq: 1, time: 1_700_000_000_001, summary: null }])
+  })
+
+  it("agrees with the seam's own predicate on the source it recognizes", () => {
+    // Both sides answer the same question about the same value: if the seam
+    // renames its plugin, this equality is what breaks.
+    const checkpoint = canonicalCheckpoint(1)
+    expect(checkpoint.type === 'user/message' && isCompactCheckpointSource(checkpoint.data.source)).toBe(true)
+    expect(COMPACT_CHECKPOINT_SOURCE).toEqual({ kind: 'plugin', plugin: 'compact' })
+  })
+})
diff --git a/packages/client/runtime/tests/event-script.ts b/packages/client/runtime/tests/event-script.ts
index 74897468d3..77bd402584 100644
--- a/packages/client/runtime/tests/event-script.ts
+++ b/packages/client/runtime/tests/event-script.ts
@@ -63,12 +63,51 @@ export const ev = {
     }),
   stepEnd: (seq: number, turn: number, step = 0): SessionEvent =>
     at(seq, { type: 'step/end', data: { turn, step } }),
-  turnEnd: (seq: number, turn: number, reason: 'completed' | 'cancelled' = 'completed'): SessionEvent =>
+  retry: (
+    seq: number,
+    turn: number,
+    step = 0,
+    retry = 1,
+    maxRetries = 2,
+    delayMs = 500,
+    message = 'temporary transport failure',
+  ): SessionEvent =>
+    at(seq, {
+      type: 'llm/retry',
+      data: {
+        turn, step,
+        provider: 'fake', mode: 'normal', policyKey: 'fake-normal',
+        retry, maxRetries, delayMs,
+        failure: { code: 'TRANSPORT', message },
+      },
+    }),
+  turnEnd: (seq: number, turn: number, reason: 'completed' | 'aborted' | 'disposed' = 'completed'): SessionEvent =>
     at(seq, { type: 'turn/end', data: { turn, reason: { kind: reason } } }),
   commandRun: (seq: number, commandId: string, name: string, args = ''): SessionEvent =>
     at(seq, { type: 'command/run', data: { commandId, name, args, source: { kind: 'user' } } }),
   commandDone: (seq: number, commandId: string, kind: 'success' | 'error' = 'success', text?: string): SessionEvent =>
     at(seq, { type: 'command/done', data: { commandId, kind, ...text === undefined ? {} : { text } } }),
+  /** A compaction's log-only `compact/summary` provenance record. */
+  compactSummary: (seq: number, summary: string, start: number, end: number): SessionEvent =>
+    at(seq, { type: 'compact/summary', data: {
+      summary: text(summary),
+      shadowedRange: { start, end },
+      shadowedSeqs: [start, end],
+      shadowedTokenCount: 100,
+      provider: 'fake',
+      model: 'compact-1',
+    } }),
+  /** The replacement user message a compaction backend lands (the checkpoint). */
+  compactCheckpoint: (seq: number, summarySeq: number, start: number, end: number): SessionEvent =>
+    at(seq, {
+      type: 'user/message',
+      surfaceOp: { op: 'replace', start, end },
+      sourceEventSeqs: [summarySeq, start, end],
+      data: createUserMessage({
+        content: text('<context_checkpoint>model only</context_checkpoint>'),
+        source: { kind: 'plugin', plugin: 'compact' },
+      }),
+    }),
 }
 
 /** One complete plain turn (turn/start → user → step → assistant → turn/end), 6 events from startSeq. */
diff --git a/packages/client/runtime/tests/fake-api.ts b/packages/client/runtime/tests/fake-api.ts
index 041ea02dee..9cf7971049 100644
--- a/packages/client/runtime/tests/fake-api.ts
+++ b/packages/client/runtime/tests/fake-api.ts
@@ -4,7 +4,7 @@
 import type { CommandId } from '@deepseek-ai/dsh-commands/brand'
 import type {
   ClientResponse, CommandDescriptor, HostFrame, IApiClient, ModelTarget, MuxFrame,
-  RpcError, RpcReceipt, RpcRequest, RpcResponse, SessionId, SessionModels, SkillEntry,
+  RpcError, RpcReceipt, RpcRequest, RpcResponse, SessionId, SessionModels, SessionSearchItem, SkillEntry,
   WorkspaceId, WorkspaceView,
 } from '@deepseek-ai/dsh-client-connection/client'
 import { RpcId } from '@deepseek-ai/dsh-client-connection/client'
@@ -61,6 +61,8 @@ export class FakeApiClient implements IApiClient {
 
   // Programmable slots (defaults answer OK-empty); reassign per case.
   onList: (payload: unknown) => Promise<RpcResponse<{ items: never[] }>> = () => Promise.resolve(ok({ items: [] }))
+  onSearch: (payload: unknown) => Promise<RpcResponse<{ items: SessionSearchItem[]; hasMore: boolean }>> =
+    () => Promise.resolve(ok({ items: [], hasMore: false }))
   onCreate: (payload: unknown) => Promise<RpcResponse<{ sessionId: SessionId }>> = () => Promise.resolve(ok({ sessionId: 'fk-new' as SessionId }))
   readonly defaultModel: ModelTarget = { provider: 'deepseek-official', model: 'deepseek-v4-flash' }
   onRename: (payload: unknown) => Promise<RpcResponse<{ title: string; seq: number }>> = () => Promise.resolve(ok({ title: 'fk-renamed', seq: 0 }))
@@ -106,12 +108,17 @@ export class FakeApiClient implements IApiClient {
 
   private readonly muxConns: StreamConn<MuxFrame>[] = []
   private readonly hostConns: StreamConn<HostFrame>[] = []
+  lastSearchSignal: AbortSignal | undefined
 
   // Parameters carry local structural annotations: the CI lint lane runs
   // without built lib/, so IApiClient's indexed-access types collapse to any
   // and inferred parameters would trip no-unsafe-argument.
   readonly sessions: IApiClient['sessions'] = {
     list: (payload: unknown) => this.record('session.list', payload, this.onList(payload)),
+    search: (payload: unknown, signal?: AbortSignal) => {
+      this.lastSearchSignal = signal
+      return this.record('session.search', payload, this.onSearch(payload))
+    },
     create: (payload: unknown) => this.record('session.create', payload, this.onCreate(payload)),
     history: (payload: { sessionId: SessionId; beforeSeq?: number; maxMessages?: number }) =>
       this.record('session.history', payload, this.onHistory(payload)),
@@ -133,7 +140,10 @@ export class FakeApiClient implements IApiClient {
     openPath: (payload: unknown) => this.record('host.openPath', payload, this.onOpenPath(payload)),
   }
 
-  onWorkspaceList: (payload: unknown) => Promise<RpcResponse<{ items: never[] }>> = () => Promise.resolve(ok({ items: [] }))
+  // The archive-set field defaults at the binding below so list stubs keep
+  // the pre-archive `{ items }` shape; a stub carrying the field wins.
+  onWorkspaceList: (payload: unknown) => Promise<RpcResponse<{ items: never[]; archivedSessionIds?: never[] }>> =
+    () => Promise.resolve(ok({ items: [] }))
   onWorkspaceCreate: (payload: unknown) => Promise<RpcResponse<{ workspace: WorkspaceView; created: boolean }>> =
     () => Promise.resolve(ok({ workspace: fakeWorkspace('fk-ws'), created: true }))
 
@@ -146,13 +156,22 @@ export class FakeApiClient implements IApiClient {
   onWorkspaceInsertSessionBefore: (payload: unknown) => Promise<RpcResponse<{ workspace: WorkspaceView }>> =
     () => Promise.resolve(ok({ workspace: fakeWorkspace('fk-ws') }))
 
+  onWorkspaceArchiveSession: (payload: unknown) => Promise<RpcResponse<{ archivedSessionIds: SessionId[] }>> =
+    payload => Promise.resolve(ok({ archivedSessionIds: [(payload as { sessionId: SessionId }).sessionId] }))
+
   readonly workspace: IApiClient['workspace'] = {
-    list: (payload: unknown) => this.record('workspace.list', payload, this.onWorkspaceList(payload)),
+    list: (payload: unknown) => this.record('workspace.list', payload, this.onWorkspaceList(payload).then(response => (
+      response.result.ok
+        ? { ...response, result: { ok: true as const, value: { archivedSessionIds: [] as never[], ...response.result.value } } }
+        : response
+    )) as ReturnType<IApiClient['workspace']['list']>),
     create: (payload: unknown) => this.record('workspace.create', payload, this.onWorkspaceCreate(payload)),
     rename: (payload: unknown) => this.record('workspace.rename', payload, this.onWorkspaceRename(payload)),
     delete: (payload: unknown) => this.record('workspace.delete', payload, this.onWorkspaceDelete(payload)),
     insertSessionBefore: (payload: unknown) =>
       this.record('workspace.insertSessionBefore', payload, this.onWorkspaceInsertSessionBefore(payload)),
+    archiveSession: (payload: unknown) =>
+      this.record('workspace.archiveSession', payload, this.onWorkspaceArchiveSession(payload)),
   }
 
   // Payloads stay `unknown` (lint-lane note above); response rows are the real
diff --git a/packages/client/runtime/tests/fold-adapter.spec.ts b/packages/client/runtime/tests/fold-adapter.spec.ts
deleted file mode 100644
index 0544d84e7d..0000000000
--- a/packages/client/runtime/tests/fold-adapter.spec.ts
+++ /dev/null
@@ -1,399 +0,0 @@
-import { createUserMessage, CallId, createMessage, createToolResultMessage } from '@deepseek-ai/dsh-llm'
-/**
- * FoldAdapter over the real core SurfaceManager: padding sentinels for paged
- * windows, incremental append with node-cache identity, six-variant
- * materialization, call-index backfill, and the degraded linear-scan branch.
- */
-
-import { describe, expect, it, vi } from 'vitest'
-import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
-import { FoldAdapter } from '../src/client/sessions/fold-adapter.ts'
-import { projectConversationHistory } from '../src/client/session-history/history-fold.ts'
-import { ev, plainTurn } from './event-script.ts'
-
-const at = (seq: number, e: Record<string, unknown>): SessionEvent =>
-  ({ seq, time: 1_700_000_000_000 + seq, ...e }) as unknown as SessionEvent
-
-describe('FoldAdapter', () => {
-  it('folds a baseSeq>0 window through padding sentinels with correct seqs', () => {
-    const adapter = new FoldAdapter()
-    const window = plainTurn(100, 5, '偏移问', '偏移答')
-    adapter.reset(window, 100)
-    const { nodes, degraded } = adapter.nodes()
-    expect(degraded).toBe(false)
-    expect(nodes.map(n => [n.kind, n.seq])).toEqual([['user', 101], ['assistant', 103]])
-  })
-
-  it('appends incrementally keeping old node references (cache identity)', () => {
-    const adapter = new FoldAdapter()
-    adapter.reset(plainTurn(0, 0, 'a', 'b'), 0)
-    const first = adapter.nodes()
-    expect(adapter.nodes()).toBe(first)
-    adapter.append(ev.user(6, '追加'))
-    const second = adapter.nodes()
-    expect(second.nodes).toHaveLength(3)
-    expect(second.nodes[0]).toBe(first.nodes[0])
-    expect(second.nodes[1]).toBe(first.nodes[1])
-    expect(second.nodes).not.toBe(first.nodes) // array itself fresh per call
-  })
-
-  it('projects frozen surface generations without widening the core live surface', () => {
-    const events = [
-      ev.user(0, 'a'),
-      ev.user(1, 'b'),
-      at(2, {
-        type: 'assistant/message',
-        surfaceOp: { op: 'replace', start: 0, end: 0 },
-        sourceEventSeqs: [0],
-        data: {
-          turn: 1,
-          step: 1,
-          message: createMessage({
-            role: 'assistant',
-            content: [{ type: 'text', text: 'summary' }],
-            source: { kind: 'model', provider: 'fake', model: 'fake' },
-          }),
-        },
-      }),
-      at(3, {
-        type: 'assistant/message',
-        surfaceOp: { op: 'replace', start: 2, end: 1 },
-        sourceEventSeqs: [2, 1],
-        data: {
-          turn: 1,
-          step: 2,
-          message: createMessage({
-            role: 'assistant',
-            content: [{ type: 'text', text: 'summary 2' }],
-            source: { kind: 'model', provider: 'fake', model: 'fake' },
-          }),
-        },
-      }),
-    ]
-
-    expect(projectConversationHistory(events.map(event => ({ event }))).contexts.map(context => ({
-      id: context.id,
-      parentId: context.parentId,
-      originSeq: context.originSeq,
-      nodes: context.nodes.map(node => node.seq),
-    }))).toEqual([
-      { id: 0, parentId: undefined, originSeq: undefined, nodes: [0, 1] },
-      { id: 1, parentId: 0, originSeq: 2, nodes: [2, 1] },
-      { id: 2, parentId: 1, originSeq: 3, nodes: [3] },
-    ])
-  })
-
-  it('materializes all six node variants with field mapping', () => {
-    const adapter = new FoldAdapter()
-    const events = [
-      ev.user(0, '用户'),
-      ev.assistant(1, 0, '助手'),
-      at(2, { type: 'steering/message', surfaceOp: 'append', data: {
-        turn: 0,
-        message: createUserMessage({
-          content: [{ type: 'text', text: '插话' }],
-          source: { kind: 'user' },
-        }),
-      } }),
-      at(3, { type: 'user/message', surfaceOp: 'append', data: createUserMessage({
-        content: [{ type: 'text', text: '上下文' }], source: { kind: 'plugin', plugin: 'p' },
-      }) }),
-      ev.toolCall(4, 0, 'c1', 'echo', '{"x":1}'),
-      ev.toolResult(5, 0, 'c1', '结果'),
-    ]
-    adapter.reset(events, 0)
-    const { nodes } = adapter.nodes()
-    const kinds = nodes.map(n => n.kind)
-    expect(kinds).toContain('user')
-    expect(kinds).toContain('assistant')
-    expect(kinds).toContain('steering')
-    expect(kinds).toContain('context')
-    const result = nodes.find(n => n.kind === 'tool-result')
-    expect(result).toMatchObject({ callId: 'c1', call: { name: 'echo', argsRaw: '{"x":1}' }, isError: false })
-  })
-
-  it('returns call:null for a tool-result whose call fell outside the window', () => {
-    const adapter = new FoldAdapter()
-    adapter.reset([ev.toolResult(50, 3, 'outside-call', '孤儿结果')], 50)
-    const { nodes } = adapter.nodes()
-    expect(nodes[0]).toMatchObject({ kind: 'tool-result', callId: 'outside-call', call: null })
-  })
-
-  it('materializes surface-eligible types it does not know as unknown nodes', () => {
-    const adapter = new FoldAdapter()
-    adapter.reset([at(0, { type: 'notice/message', surfaceOp: 'append', data: { note: 1 } })], 0)
-    const { nodes } = adapter.nodes()
-    // Either the fold surfaces it (unknown node) or skips it as non-eligible — both are valid
-    // shapes; what matters is no throw and no misclassification into a known kind.
-    for (const node of nodes) expect(node.kind).toBe('unknown')
-  })
-
-  it('degrades to the lenient linear scan when the fold throws, and stays degraded', () => {
-    const adapter = new FoldAdapter()
-    // An invalid surfaceOp on a surface-eligible event deterministically throws in the core fold.
-    const window = [
-      ev.user(10, '正常'),
-      at(11, { type: 'assistant/message', surfaceOp: 'bogus-op', data: {
-        turn: 0, step: 0,
-        message: createMessage({
-          role: 'assistant',
-          content: [{ type: 'text', text: '坏 op' }],
-          source: {
-            kind: 'model',
-            ...{ provider: 'x', model: 'y' },
-          },
-        }),
-      } }),
-    ]
-    const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined)
-    try {
-      adapter.reset(window, 10)
-      const first = adapter.nodes()
-      expect(first.degraded).toBe(true)
-      expect(errorSpy).toHaveBeenCalled()
-      expect(first.nodes.map(n => n.seq)).toEqual([10, 11]) // linear scan: append order, bad op ignored
-      adapter.append(ev.user(12, '降级后追加')) // bump rev so the cached result is not reused
-      const second = adapter.nodes()
-      expect(second.degraded).toBe(true) // sticky: no re-throw loop, straight to the linear scan
-      expect(second.nodes[0]).toBe(first.nodes[0]) // cache still serves node identity
-      expect(second.nodes.map(n => n.seq)).toEqual([10, 11, 12])
-    } finally {
-      errorSpy.mockRestore()
-    }
-  })
-
-  it('silently degrades when a replacement needs an earlier history page', () => {
-    const adapter = new FoldAdapter()
-    const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined)
-    try {
-      adapter.reset([
-        at(10, {
-          type: 'assistant/message',
-          surfaceOp: { op: 'replace', start: 1, end: 3 },
-          sourceEventSeqs: [1, 3],
-          data: {
-            turn: 1,
-            step: 1,
-            message: createMessage({
-              role: 'assistant',
-              content: [{ type: 'text', text: 'partial summary' }],
-              source: { kind: 'model', provider: 'fake', model: 'fake' },
-            }),
-          },
-        }),
-        ev.user(11, 'newer message'),
-      ], 10)
-
-      expect(adapter.nodes()).toMatchObject({
-        degraded: true,
-        nodes: [{ seq: 10 }, { seq: 11 }],
-      })
-      expect(errorSpy).not.toHaveBeenCalled()
-    } finally {
-      errorSpy.mockRestore()
-    }
-  })
-
-  it('silently degrades when a live replacement needs an earlier history page', () => {
-    const adapter = new FoldAdapter()
-    const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined)
-    try {
-      adapter.reset([ev.user(10, 'window head')], 10)
-      adapter.append(at(11, {
-        type: 'assistant/message',
-        surfaceOp: { op: 'replace', start: 1, end: 1 },
-        sourceEventSeqs: [1],
-        data: {
-          turn: 1,
-          step: 1,
-          message: createMessage({
-            role: 'assistant',
-            content: [{ type: 'text', text: 'live summary' }],
-            source: { kind: 'model', provider: 'fake', model: 'fake' },
-          }),
-        },
-      }))
-
-      expect(adapter.nodes()).toMatchObject({
-        degraded: true,
-        nodes: [{ seq: 10 }, { seq: 11 }],
-      })
-      expect(errorSpy).not.toHaveBeenCalled()
-    } finally {
-      errorSpy.mockRestore()
-    }
-  })
-
-  it('materializes a tool-result error field when present', () => {
-    const adapter = new FoldAdapter()
-    adapter.reset([
-      at(0, { type: 'tool/result', surfaceOp: 'append', data: {
-        turn: 0, step: 0,
-        message: createToolResultMessage({
-          callId: CallId('c1'),
-          content: [],
-          isError: true,
-        }),
-        error: { name: 'Boom', code: 'boom' },
-      } }),
-    ], 0)
-    expect(adapter.nodes().nodes[0]).toMatchObject({ kind: 'tool-result', isError: true, error: { code: 'boom' } })
-  })
-
-  it('projects assistant timing and the active request header from history', () => {
-    const projection = projectConversationHistory([
-      ev.stepStart(0, 1, 2),
-      at(1, { type: 'request/header', data: {
-        reason: 'initial',
-        header: {
-          config: { provider: 'fake', model: 'first' },
-          tools: [],
-        },
-      } }),
-      ev.chunkStart(2, 1, 2),
-      ev.chunkText(3, 1, 'token', 2),
-      ev.assistant(4, 1, 'done', 2),
-      ev.stepStart(5, 2, 1),
-      ev.chunkText(6, 2, 'next', 1),
-      ev.assistant(7, 2, 'next done', 1),
-    ].map(event => ({ event })))
-
-    expect(projection.eventNodes[0]).toMatchObject({
-      kind: 'assistant',
-      timing: {
-        stepStartTime: 1_700_000_000_000,
-        firstTokenTime: 1_700_000_000_003,
-        completedTime: 1_700_000_000_004,
-      },
-      requestConfig: { provider: 'fake', model: 'first' },
-    })
-
-    expect(projection.eventNodes.at(-1)).toMatchObject({
-      timing: {
-        stepStartTime: 1_700_000_000_005,
-        firstTokenTime: 1_700_000_000_006,
-        completedTime: 1_700_000_000_007,
-      },
-      requestConfig: { provider: 'fake', model: 'first' },
-    })
-  })
-
-  it('exposes the in-window call index for runningCalls material', () => {
-    const adapter = new FoldAdapter()
-    adapter.reset([ev.toolCall(0, 1, 'c9', 'slow', '{}')], 0)
-    expect(adapter.callIndex.get('c9')).toMatchObject({ name: 'slow', turn: 1 })
-    adapter.append(ev.toolCall(1, 1, 'c10', 'fast', '{}'))
-    expect(adapter.callIndex.size).toBe(2)
-  })
-
-  it('attaches wire views: callView into the call index, resultView onto the node by seq', () => {
-    const adapter = new FoldAdapter()
-    const events = [
-      ev.toolCall(0, 1, 'c1', 'bash', '{"cmd":"ls"}'),
-      ev.toolResult(1, 1, 'c1', 'listing'),
-    ]
-    const callView = { for: 'call' as const, view: { card: 'terminal' as const, command: 'ls' } }
-    const resultView = { for: 'result' as const, view: { card: 'generic' as const, title: '完成' } }
-    adapter.reset(events, 0, [callView, resultView] as never)
-    expect(adapter.callIndex.get('c1')).toMatchObject({ callView: { card: 'terminal' } })
-    const node = adapter.nodes().nodes.find(n => n.kind === 'tool-result')
-    expect(node).toMatchObject({ callView: { card: 'terminal' }, resultView: { card: 'generic', title: '完成' } })
-  })
-
-  it('attaches views on the live append path and defaults to null without views', () => {
-    const adapter = new FoldAdapter()
-    adapter.reset(plainTurn(0, 0, 'a', 'b'), 0) // no views argument: legacy-shaped call
-    adapter.append(ev.toolCall(6, 1, 'c2', 'echo', '{}'), { for: 'call', view: { card: 'generic', title: '回声' } } as never)
-    adapter.append(ev.toolResult(7, 1, 'c2', 'ok')) // no view on the result
-    expect(adapter.callIndex.get('c2')).toMatchObject({ callView: { title: '回声' } })
-    const node = adapter.nodes().nodes.find(n => n.kind === 'tool-result')
-    expect(node).toMatchObject({ callView: { title: '回声' }, resultView: null })
-  })
-
-  it('leaves callView null when the paired call fell outside the window (cross-page break)', () => {
-    const adapter = new FoldAdapter()
-    const resultView = { for: 'result' as const, view: { card: 'generic' as const, title: '孤儿' } }
-    adapter.reset([ev.toolResult(50, 3, 'outside', '窗外配对')], 50, [resultView] as never)
-    const node = adapter.nodes().nodes[0]
-    expect(node).toMatchObject({ kind: 'tool-result', call: null, callView: null, resultView: { title: '孤儿' } })
-  })
-
-  describe('command lifecycle nodes', () => {
-    it('folds a run/done pair into one settled node merged into flow order by seq', () => {
-      const adapter = new FoldAdapter()
-      adapter.reset([
-        ev.user(0, '先说话'),
-        ev.commandRun(1, 'cmd-1', 'plan'),
-        ev.commandDone(2, 'cmd-1', 'success', '已进入 plan mode'),
-        ev.assistant(3, 0, '然后回答'),
-      ], 0)
-      const { nodes } = adapter.nodes()
-      expect(nodes.map(n => [n.kind, n.seq])).toEqual([['user', 0], ['command', 1], ['assistant', 3]])
-      expect(nodes[1]).toMatchObject({
-        kind: 'command', commandId: 'cmd-1', name: 'plan', args: '',
-        outcome: { kind: 'success', text: '已进入 plan mode' },
-      })
-    })
-
-    it('renders a run with no done as still executing (outcome null)', () => {
-      const adapter = new FoldAdapter()
-      adapter.reset([ev.commandRun(0, 'cmd-2', 'goal', ' ship it')], 0)
-      expect(adapter.nodes().nodes[0]).toMatchObject({
-        kind: 'command', name: 'goal', args: ' ship it', outcome: null,
-      })
-    })
-
-    it('soft-falls a done-only window into a node built from the done (cross-window cut)', () => {
-      const adapter = new FoldAdapter()
-      adapter.reset([ev.commandDone(80, 'cmd-3', 'error', '失败了')], 80)
-      expect(adapter.nodes().nodes[0]).toMatchObject({
-        kind: 'command', seq: 80, commandId: 'cmd-3', name: null, args: null,
-        outcome: { kind: 'error', text: '失败了' },
-      })
-    })
-
-    it('settles a live-appended done in place, keeping the node at the run seq', () => {
-      const adapter = new FoldAdapter()
-      adapter.reset(plainTurn(0, 0, 'q', 'a'), 0)
-      adapter.append(ev.commandRun(6, 'cmd-4', 'clear'))
-      const running = adapter.nodes().nodes.find(n => n.kind === 'command')
-      expect(running).toMatchObject({ outcome: null })
-      adapter.append(ev.commandDone(7, 'cmd-4'))
-      const settled = adapter.nodes().nodes.find(n => n.kind === 'command')
-      expect(settled).toMatchObject({ seq: 6, outcome: { kind: 'success' } })
-      // Settlement replaced the node object rather than mutating the published one.
-      expect(settled).not.toBe(running)
-    })
-
-    it('tails command nodes whose seq is past every surface node', () => {
-      const adapter = new FoldAdapter()
-      adapter.reset([ev.user(0, '问'), ev.commandRun(1, 'cmd-tail', 'plan')], 0)
-      expect(adapter.nodes().nodes.map(n => n.kind)).toEqual(['user', 'command'])
-    })
-
-    it('command nodes survive the degraded linear-scan branch', () => {
-      const adapter = new FoldAdapter()
-      const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined)
-      try {
-        adapter.reset([
-          ev.commandRun(0, 'cmd-5', 'plan'),
-          ev.commandDone(1, 'cmd-5'),
-          at(2, { type: 'assistant/message', surfaceOp: 'bogus-op', data: {
-            turn: 0,
-            step: 0,
-            message: createMessage({
-              role: 'assistant',
-              content: [{ type: 'text', text: '坏 op' }],
-              source: { kind: 'model', provider: 'x', model: 'y' },
-            }),
-          } }),
-        ], 0)
-        const { nodes, degraded } = adapter.nodes()
-        expect(degraded).toBe(true)
-        expect(nodes.some(n => n.kind === 'command')).toBe(true)
-      } finally {
-        errorSpy.mockRestore()
-      }
-    })
-  })
-})
diff --git a/packages/client/runtime/tests/history-fold.spec.ts b/packages/client/runtime/tests/history-fold.spec.ts
new file mode 100644
index 0000000000..0c5421e491
--- /dev/null
+++ b/packages/client/runtime/tests/history-fold.spec.ts
@@ -0,0 +1,94 @@
+import { createMessage } from '@deepseek-ai/dsh-llm'
+import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
+import { describe, expect, it } from 'vitest'
+import { projectConversationHistory } from '../src/client/session-history/history-fold.ts'
+import { ev } from './event-script.ts'
+
+const at = (seq: number, event: Record<string, unknown>): SessionEvent =>
+  ({ seq, time: 1_700_000_000_000 + seq, ...event }) as unknown as SessionEvent
+
+describe('projectConversationHistory', () => {
+  it('projects frozen surface generations without widening the core live surface', () => {
+    const events = [
+      ev.user(0, 'a'),
+      ev.user(1, 'b'),
+      at(2, {
+        type: 'assistant/message',
+        surfaceOp: { op: 'replace', start: 0, end: 0 },
+        sourceEventSeqs: [0],
+        data: {
+          turn: 1,
+          step: 1,
+          message: createMessage({
+            role: 'assistant',
+            content: [{ type: 'text', text: 'summary' }],
+            source: { kind: 'model', provider: 'fake', model: 'fake' },
+          }),
+        },
+      }),
+      at(3, {
+        type: 'assistant/message',
+        surfaceOp: { op: 'replace', start: 2, end: 1 },
+        sourceEventSeqs: [2, 1],
+        data: {
+          turn: 1,
+          step: 2,
+          message: createMessage({
+            role: 'assistant',
+            content: [{ type: 'text', text: 'summary 2' }],
+            source: { kind: 'model', provider: 'fake', model: 'fake' },
+          }),
+        },
+      }),
+    ]
+
+    expect(projectConversationHistory(events.map(event => ({ event }))).contexts.map(context => ({
+      id: context.id,
+      parentId: context.parentId,
+      originSeq: context.originSeq,
+      nodes: context.nodes.map(node => node.seq),
+    }))).toEqual([
+      { id: 0, parentId: undefined, originSeq: undefined, nodes: [0, 1] },
+      { id: 1, parentId: 0, originSeq: 2, nodes: [2, 1] },
+      { id: 2, parentId: 1, originSeq: 3, nodes: [3] },
+    ])
+  })
+
+  it('projects assistant timing and the active request header from history', () => {
+    const projection = projectConversationHistory([
+      ev.stepStart(0, 1, 2),
+      at(1, { type: 'request/header', data: {
+        reason: 'initial',
+        header: {
+          config: { provider: 'fake', model: 'first' },
+          tools: [],
+        },
+      } }),
+      ev.chunkStart(2, 1, 2),
+      ev.chunkText(3, 1, 'token', 2),
+      ev.assistant(4, 1, 'done', 2),
+      ev.stepStart(5, 2, 1),
+      ev.chunkText(6, 2, 'next', 1),
+      ev.assistant(7, 2, 'next done', 1),
+    ].map(event => ({ event })))
+
+    expect(projection.eventNodes[0]).toMatchObject({
+      kind: 'assistant',
+      timing: {
+        stepStartTime: 1_700_000_000_000,
+        firstTokenTime: 1_700_000_000_003,
+        completedTime: 1_700_000_000_004,
+      },
+      requestConfig: { provider: 'fake', model: 'first' },
+    })
+
+    expect(projection.eventNodes.at(-1)).toMatchObject({
+      timing: {
+        stepStartTime: 1_700_000_000_005,
+        firstTokenTime: 1_700_000_000_006,
+        completedTime: 1_700_000_000_007,
+      },
+      requestConfig: { provider: 'fake', model: 'first' },
+    })
+  })
+})
diff --git a/packages/client/runtime/tests/manager.spec.ts b/packages/client/runtime/tests/manager.spec.ts
index 6a0f30f4c6..1330a49768 100644
--- a/packages/client/runtime/tests/manager.spec.ts
+++ b/packages/client/runtime/tests/manager.spec.ts
@@ -206,6 +206,49 @@ describe('list lifecycle', () => {
   })
 })
 
+describe('search', () => {
+  it('returns bounded Host results and forwards the caller signal', async () => {
+    const api = new FakeApiClient()
+    api.onSearch = () => Promise.resolve(ok({
+      items: [{ sessionId: S1, snippet: 'matching excerpt' }],
+      hasMore: true,
+    }))
+    const manager = new SessionManager(api)
+    const signal = new AbortController().signal
+
+    await expect(manager.search('exact phrase', signal)).resolves.toEqual({
+      ok: true,
+      value: {
+        items: [{ sessionId: S1, snippet: 'matching excerpt' }],
+        hasMore: true,
+      },
+    })
+    expect(api.callsOf('session.search')).toEqual([{ query: 'exact phrase' }])
+    expect(api.lastSearchSignal).toBe(signal)
+  })
+
+  it('preserves business errors and folds transport failures', async () => {
+    const api = new FakeApiClient()
+    const manager = new SessionManager(api)
+    api.onSearch = () => Promise.resolve(err({
+      code: 'internal',
+      message: 'index unavailable',
+      details: {},
+    }))
+    const signal = new AbortController().signal
+    await expect(manager.search('first', signal)).resolves.toMatchObject({
+      ok: false,
+      error: { code: 'internal', message: 'index unavailable' },
+    })
+
+    api.onSearch = () => Promise.reject(new Error('wire down'))
+    await expect(manager.search('second', signal)).resolves.toMatchObject({
+      ok: false,
+      error: { code: 'internal', message: 'wire down' },
+    })
+  })
+})
+
 describe('host frame routing', () => {
   it('adds/removes/flips sessions from host frames and keeps removed instances resident', async () => {
     const api = new FakeApiClient()
diff --git a/packages/client/runtime/tests/request-inspection.spec.ts b/packages/client/runtime/tests/request-inspection.spec.ts
index a76036c076..f354d14654 100644
--- a/packages/client/runtime/tests/request-inspection.spec.ts
+++ b/packages/client/runtime/tests/request-inspection.spec.ts
@@ -85,6 +85,68 @@ describe('inspectRequests', () => {
     expect(snapshot.callSchemas.get('call-1')?.name).toBe('read')
   })
 
+  it('preserves a standalone compaction owner without widening assistant turns', () => {
+    const snapshot = inspectRequests(entriesOf([
+      at(0, 'compact/start', { turn: null }),
+      at(1, 'compact/summary', {
+        summary: [{ type: 'text', text: 'standalone summary' }],
+        provider: 'fake',
+        model: 'compact-model',
+      }),
+      at(2, 'compact/end', { turn: null }),
+      at(3, 'step/start', { turn: 2, step: 1 }),
+    ]))
+
+    const [compaction, assistant] = snapshot.requests
+    expect(compaction).toMatchObject({
+      purpose: 'compaction',
+      turn: null,
+      step: 0,
+      status: 'complete',
+    })
+    expect(assistant).toMatchObject({
+      purpose: 'assistant',
+      turn: 2,
+      step: 1,
+      status: 'running',
+    })
+    if (assistant?.purpose === 'assistant') {
+      const turn: number = assistant.turn
+      expect(turn).toBe(2)
+    }
+  })
+
+  it('interrupts an orphaned compaction at end-seed before projecting a new attempt', () => {
+    const snapshot = inspectRequests(entriesOf([
+      at(0, 'compact/start', { turn: null }),
+      at(1, 'session/end-seed', {}),
+      at(2, 'compact/start', { turn: null }),
+      at(3, 'compact/summary', {
+        summary: [{ type: 'text', text: 'replacement summary' }],
+        provider: 'fake',
+        model: 'compact-model',
+      }),
+      at(4, 'compact/end', { turn: null }),
+    ]))
+
+    expect(snapshot.requests).toMatchObject([
+      {
+        purpose: 'compaction',
+        startSeq: 0,
+        status: 'error',
+        completedAt: 1_700_000_000_001,
+        error: 'Compaction was interrupted before completion.',
+      },
+      {
+        purpose: 'compaction',
+        startSeq: 2,
+        status: 'complete',
+        completedAt: 1_700_000_000_004,
+        summary: [{ type: 'text', text: 'replacement summary' }],
+      },
+    ])
+  })
+
   it('captures schemas for nested tool dispatches from the active request header', () => {
     const snapshot = inspectRequests(entriesOf([
       at(0, 'request/header', {
@@ -159,6 +221,33 @@ describe('inspectRequests', () => {
     })
   })
 
+  it('keeps provider credential fragments out of projected request errors', () => {
+    const snapshot = inspectRequests(entriesOf([
+      at(0, 'step/start', { turn: 1, step: 1 }),
+      at(1, 'turn/end', {
+        turn: 1,
+        reason: {
+          kind: 'error',
+          step: 1,
+          failure: {
+            code: 'AUTH',
+            message: 'Authentication Fails, Your api key: sk-preview-secret is invalid',
+          },
+        },
+      }),
+      at(2, 'step/start', { turn: 2, step: 1 }),
+      at(3, 'turn/end', {
+        turn: 2,
+        reason: { kind: 'error', step: 1, message: 'plugin exploded' },
+      }),
+    ]))
+
+    expect(snapshot.requests).toMatchObject([
+      { status: 'error', error: 'API key is invalid' },
+      { status: 'error', error: 'plugin exploded' },
+    ])
+  })
+
   it('treats a scrubbed durable-fixture tool catalog as unavailable', () => {
     const snapshot = inspectRequests(entriesOf([
       at(0, 'step/start', { turn: 1, step: 1 }),
@@ -179,6 +268,7 @@ describe('inspectRequests', () => {
     ]))
 
     expect(snapshot.callSchemas).toEqual(new Map())
-    expect(snapshot.requests[0]?.prompt?.tools).toEqual([])
+    const [request] = snapshot.requests
+    expect(request?.purpose === 'assistant' ? request.prompt?.tools : undefined).toEqual([])
   })
 })
diff --git a/packages/client/runtime/tests/session.spec.ts b/packages/client/runtime/tests/session.spec.ts
index e62e14bd48..73bf901234 100644
--- a/packages/client/runtime/tests/session.spec.ts
+++ b/packages/client/runtime/tests/session.spec.ts
@@ -8,6 +8,7 @@
 
 import { describe, expect, it, vi } from 'vitest'
 import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
+import { MAX_TIMER_DELAY_MS } from '@deepseek-ai/dsh-timeout'
 import type { SessionId } from '@deepseek-ai/dsh-client-connection/client'
 import { Session } from '../src/client/sessions/session.ts'
 import { FakeApiClient, deferred, err, ok } from './fake-api.ts'
@@ -161,6 +162,259 @@ describe('live event path', () => {
     expect((last as { interrupted?: true }).interrupted).toBeUndefined()
   })
 
+  it('retracts the failed step partial on retry and keeps a replayable notice before the recovered response', async () => {
+    const { session } = await opened()
+    const feed = (event: SessionEvent) => { session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event }) }
+    const retryTurn = [
+      ev.turnStart(6, 1),
+      ev.user(7, '请重试'),
+      ev.stepStart(8, 1),
+      ev.chunkStart(9, 1),
+      ev.chunkText(10, 1, '不完整回复'),
+      ev.stepEnd(11, 1),
+      ev.retry(12, 1, 0, 1, 2, 450, '连接被重置'),
+      at(13, {
+        type: 'turn/end',
+        data: {
+          turn: 1,
+          reason: {
+            kind: 'error', step: 0,
+            failure: { code: 'TRANSPORT', message: '连接被重置' },
+          },
+        },
+      }),
+      at(14, { type: 'turn/start', data: { turn: 2, trigger: { kind: 'retry' } } }),
+      ev.stepStart(15, 2),
+      ev.assistant(16, 2, '完整回复'),
+      ev.stepEnd(17, 2),
+      ev.turnEnd(18, 2),
+    ]
+    for (const event of retryTurn.slice(0, 7)) feed(event)
+
+    let snapshot = session.getSnapshot()
+    expect(snapshot.partial).toBeNull()
+    expect(snapshot.nodes.at(-1)).toMatchObject({
+      kind: 'model-retry',
+      retryState: 'scheduled',
+      turn: 1,
+      step: 0,
+      provider: 'fake',
+      mode: 'normal',
+      policyKey: 'fake-normal',
+      retry: 1,
+      maxRetries: 2,
+      delayMs: 450,
+      failure: { code: 'TRANSPORT', message: '连接被重置' },
+    })
+    expect(JSON.stringify(snapshot.nodes)).not.toContain('不完整回复')
+
+    for (const event of retryTurn.slice(7)) feed(event)
+    snapshot = session.getSnapshot()
+    expect(snapshot.nodes.slice(-2).map(node => node.kind)).toEqual(['model-retry', 'assistant'])
+    expect(snapshot.nodes.some(node => node.kind === 'turn-error')).toBe(false)
+    expect(snapshot.nodes.at(-2)).toMatchObject({ kind: 'model-retry', retryState: 'started' })
+    expect(snapshot.nodes.at(-1)).toMatchObject({ kind: 'assistant', blocks: [{ kind: 'text', text: '完整回复' }] })
+
+    const replay = makeSession()
+    replay.api.onHistory = () => histResponse([...plainTurn(0, 0, 'a', 'b'), ...retryTurn])
+    await replay.session.open()
+    expect(replay.session.getSnapshot().nodes).toEqual(snapshot.nodes)
+    expect(replay.session.getSnapshot().partial).toBeNull()
+  })
+
+  it('projects unretried terminal failures at turn/end and reproduces them from history', async () => {
+    const { session } = await opened()
+    const feed = (event: SessionEvent) => {
+      session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event })
+    }
+    const failedTurns = [
+      ev.turnStart(6, 1),
+      ev.user(7, '鉴权失败'),
+      at(8, {
+        type: 'turn/end',
+        data: {
+          turn: 1,
+          reason: {
+            kind: 'error',
+            step: 0,
+            failure: {
+              code: 'AUTH',
+              message: 'Authentication Fails, Your api key: sk-preview-secret is invalid',
+            },
+          },
+        },
+      }),
+      ev.turnStart(9, 2),
+      ev.user(10, '内部失败'),
+      at(11, {
+        type: 'turn/end',
+        data: { turn: 2, reason: { kind: 'error', step: 1, message: 'plugin exploded' } },
+      }),
+    ]
+    for (const event of failedTurns) feed(event)
+
+    const errors = session.getSnapshot().nodes.filter(node => node.kind === 'turn-error')
+    expect(errors).toMatchObject([
+      { seq: 8, turn: 1, step: 0, code: 'AUTH', message: 'API key is invalid' },
+      { seq: 11, turn: 2, step: 1, message: 'plugin exploded' },
+    ])
+    expect('code' in errors[1]!).toBe(false)
+
+    const replay = makeSession()
+    replay.api.onHistory = () => histResponse([...plainTurn(0, 0, 'a', 'b'), ...failedTurns])
+    await replay.session.open()
+    expect(replay.session.getSnapshot().nodes).toEqual(session.getSnapshot().nodes)
+  })
+
+  it('rejects retry payloads outside the producer contract without retracting the current partial', async () => {
+    const { session } = await opened()
+    const feed = (event: SessionEvent) => { session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event }) }
+    feed(ev.turnStart(6, 1))
+    feed(ev.chunkStart(7, 1))
+    feed(ev.chunkText(8, 1, '仍在生成'))
+    const valid = {
+      turn: 1, step: 0,
+      provider: 'fake', mode: 'normal', policyKey: 'fake-normal',
+      retry: 1, maxRetries: 2, delayMs: 500,
+      failure: { code: 'TRANSPORT', message: 'temporary failure' },
+    }
+    const invalid = [
+      { ...valid, turn: Number.MAX_SAFE_INTEGER + 1 },
+      { ...valid, step: Number.MAX_SAFE_INTEGER + 1 },
+      { ...valid, provider: '' },
+      { ...valid, policyKey: '' },
+      { ...valid, retry: Number.MAX_SAFE_INTEGER + 1 },
+      { ...valid, maxRetries: Number.MAX_SAFE_INTEGER + 1 },
+      { ...valid, delayMs: -1 },
+      { ...valid, delayMs: Number.POSITIVE_INFINITY },
+      { ...valid, delayMs: MAX_TIMER_DELAY_MS + 1 },
+      { ...valid, failure: { ...valid.failure, message: '' } },
+      { ...valid, failure: { ...valid.failure, code: '' } },
+      { ...valid, failure: { ...valid.failure, status: '429' } },
+      { ...valid, failure: { ...valid.failure, status: 99 } },
+      { ...valid, failure: { ...valid.failure, status: 429.5 } },
+      { ...valid, failure: { ...valid.failure, status: 600 } },
+      { ...valid, failure: { ...valid.failure, providerRetryAfterMs: 0 } },
+      { ...valid, failure: { ...valid.failure, providerRetryAfterMs: Number.POSITIVE_INFINITY } },
+      { ...valid, failure: { ...valid.failure, requestId: 1 } },
+      { ...valid, failure: { ...valid.failure, requestId: '' } },
+    ]
+    const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined)
+    try {
+      for (const [index, data] of invalid.entries()) {
+        feed(at(9 + index, { type: 'llm/retry', data }))
+      }
+      expect(session.getSnapshot().partial?.blocks).toEqual([{ kind: 'text', text: '仍在生成' }])
+      expect(session.getSnapshot().nodes.filter(node => node.kind === 'model-retry')).toEqual([])
+      expect(errorSpy).toHaveBeenCalledTimes(invalid.length)
+      expect(errorSpy).toHaveBeenCalledWith('[web-runtime] ignored malformed llm/retry event at seq 9')
+    } finally {
+      errorSpy.mockRestore()
+    }
+  })
+
+  it('accepts complete retry payloads at the producer field boundaries', async () => {
+    const { session } = await opened()
+    session.handleMuxEnvelope('r' as never, {
+      type: 'session/event',
+      sessionId: SID,
+      event: at(6, {
+        type: 'llm/retry',
+        data: {
+          turn: Number.MAX_SAFE_INTEGER,
+          step: Number.MAX_SAFE_INTEGER,
+          provider: 'fake',
+          mode: 'normal',
+          policyKey: 'fake-normal',
+          retry: Number.MAX_SAFE_INTEGER,
+          maxRetries: Number.MAX_SAFE_INTEGER,
+          delayMs: MAX_TIMER_DELAY_MS,
+          failure: {
+            code: 'RATE_LIMIT',
+            message: 'provider busy',
+            status: 599,
+            providerRetryAfterMs: Number.MIN_VALUE,
+            requestId: 'req-1',
+          },
+        },
+      }),
+    })
+    expect(session.getSnapshot().nodes.at(-1)).toMatchObject({
+      kind: 'model-retry',
+      retryState: 'scheduled',
+      retry: Number.MAX_SAFE_INTEGER,
+      delayMs: MAX_TIMER_DELAY_MS,
+      failure: { status: 599, providerRetryAfterMs: Number.MIN_VALUE, requestId: 'req-1' },
+    })
+  })
+
+  it('projects always-mode retries and rejects mode-specific maximums or unknown modes', async () => {
+    const { session } = await opened()
+    const feed = (event: SessionEvent) => { session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event }) }
+    const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined)
+    try {
+      feed(at(6, {
+        type: 'llm/retry',
+        data: {
+          turn: 1, step: 0,
+          provider: 'fake', mode: 'always', policyKey: 'fake-always',
+          retry: 3, delayMs: 500,
+          failure: { code: 'TRANSPORT', message: 'retry forever' },
+        },
+      }))
+      expect(session.getSnapshot().nodes.at(-1)).toMatchObject({
+        kind: 'model-retry',
+        retryState: 'scheduled',
+        mode: 'always',
+        retry: 3,
+      })
+
+      feed(at(7, {
+        type: 'llm/retry',
+        data: {
+          turn: 2, step: 0,
+          provider: 'fake', mode: 'always', policyKey: 'fake-always',
+          retry: 4, maxRetries: 4, delayMs: 500,
+          failure: { code: 'TRANSPORT', message: 'unexpected maximum' },
+        },
+      }))
+      feed(at(8, {
+        type: 'llm/retry',
+        data: {
+          turn: 2, step: 0,
+          provider: 'fake', mode: 'sometimes', policyKey: 'fake-unknown',
+          retry: 4, delayMs: 500,
+          failure: { code: 'TRANSPORT', message: 'unknown mode' },
+        },
+      }))
+      expect(session.getSnapshot().nodes.filter(node => node.kind === 'model-retry')).toHaveLength(1)
+      expect(errorSpy).toHaveBeenCalledTimes(2)
+    } finally {
+      errorSpy.mockRestore()
+    }
+  })
+
+  it.each(['aborted', 'disposed'] as const)(
+    'marks a scheduled retry as cancelled when its failed turn ends %s',
+    async (reason) => {
+      const { session } = await opened()
+      const feed = (event: SessionEvent) => {
+        session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event })
+      }
+      feed(ev.turnStart(6, 1))
+      feed(ev.retry(7, 1))
+      expect(session.getSnapshot().nodes.at(-1)).toMatchObject({
+        kind: 'model-retry',
+        retryState: 'scheduled',
+      })
+      feed(ev.turnEnd(8, 1, reason))
+      expect(session.getSnapshot().nodes.at(-1)).toMatchObject({
+        kind: 'model-retry',
+        retryState: 'cancelled',
+      })
+    },
+  )
+
   it('freezes an unfinalized partial into an interrupted node on turn/end (cancel path)', async () => {
     const { session } = await opened()
     const feed = (event: SessionEvent) => { session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event }) }
@@ -168,7 +422,7 @@ describe('live event path', () => {
     feed(ev.user(7, '要被打断的'))
     feed(ev.chunkStart(8, 1))
     feed(ev.chunkText(9, 1, '说到一半'))
-    feed(ev.turnEnd(10, 1, 'cancelled')) // no assistant/message ever arrives
+    feed(ev.turnEnd(10, 1, 'aborted')) // no assistant/message ever arrives
     const snapshot = session.getSnapshot()
     expect(snapshot.partial).toBeNull()
     const frozen = snapshot.nodes.at(-1)
@@ -187,7 +441,7 @@ describe('live event path', () => {
     expect(session.getSnapshot().runningCalls).toEqual([])
     // Second call never resolves: turn/end freezes it as an error card.
     feed(ev.toolCall(9, 1, 'c2', 'slow_tool', '{}'))
-    feed(ev.turnEnd(10, 1, 'cancelled'))
+    feed(ev.turnEnd(10, 1, 'aborted'))
     const snapshot = session.getSnapshot()
     expect(snapshot.runningCalls).toEqual([])
     expect(snapshot.nodes.at(-1)).toMatchObject({
@@ -195,6 +449,45 @@ describe('live event path', () => {
     })
   })
 
+  it('keeps compacted history and adds one marker, live and on replay alike', async () => {
+    // A landed compaction must not erase conversation the reader already saw:
+    // the shadowed messages stay at their own log positions and the checkpoint
+    // contributes one marker after them.
+    const { session } = await opened()
+    const feed = (event: SessionEvent) => { session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event }) }
+    feed(ev.compactSummary(6, '压缩摘要', 1, 3))
+    feed(ev.compactCheckpoint(7, 6, 1, 3))
+    const live = session.getSnapshot().nodes
+    expect(live.map(n => [n.kind, n.seq])).toEqual([['user', 1], ['assistant', 3], ['compaction', 7]])
+    expect(live.at(-1)).toMatchObject({ kind: 'compaction', summary: '压缩摘要' })
+
+    const replayed = await opened([
+      ...plainTurn(0, 0, 'a', 'b'),
+      ev.compactSummary(6, '压缩摘要', 1, 3),
+      ev.compactCheckpoint(7, 6, 1, 3),
+    ])
+    expect(replayed.session.getSnapshot().nodes).toEqual(live)
+  })
+
+  it('merges an interrupted frozen node by seq into the log-ordered transcript', async () => {
+    // The transcript array is seq-monotonic, so the frozen node's fractional
+    // seq lands it exactly where it happened — including after a compaction
+    // checkpoint whose own seq is higher than the range it shadowed.
+    const { session } = await opened()
+    const feed = (event: SessionEvent) => { session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event }) }
+    feed(ev.compactSummary(6, '压缩摘要', 1, 3))
+    feed(ev.compactCheckpoint(7, 6, 1, 3))
+    feed(ev.turnStart(8, 1))
+    feed(ev.user(9, '压缩后的提问'))
+    feed(ev.chunkStart(10, 1))
+    feed(ev.chunkText(11, 1, '说到一半'))
+    feed(ev.turnEnd(12, 1, 'aborted'))
+    expect(session.getSnapshot().nodes.map(n => n.kind)).toEqual([
+      'user', 'assistant', 'compaction', 'user', 'assistant',
+    ])
+    expect(session.getSnapshot().nodes.at(-1)).toMatchObject({ interrupted: true })
+  })
+
   it('repairs a seq gap by repulling the tail page instead of appending a hole', async () => {
     const { api, session } = await opened(plainTurn(0, 0, 'a', 'b')) // tail seq = 5
     const repaired = [...plainTurn(0, 0, 'a', 'b'), ...plainTurn(6, 1, 'c', 'd')]
@@ -226,6 +519,30 @@ describe('paging', () => {
     expect(snapshot.nodes.map(n => n.seq)).toEqual([1, 3, 7, 9])
   })
 
+  it('renders a page whose checkpoint shadows seqs below the window head, logging nothing', async () => {
+    // Pagination no longer spends maxMessages quota on replacement copies, so a
+    // page can carry a compaction checkpoint whose surfaceOp.start lies outside
+    // the window. The old surface fold rejected that range and degraded with a
+    // console error; the log-ordered transcript has no range to resolve.
+    const { api, session } = makeSession()
+    api.onHistory = () => histResponse([
+      ev.compactSummary(80, '窗外范围的摘要', 3, 40),
+      ev.compactCheckpoint(81, 80, 3, 40),
+      ev.user(82, '压缩后的新问题'),
+    ], true)
+    const errorSpy = vi.spyOn(console, 'error').mockImplementation(() => undefined)
+    try {
+      await session.open()
+      const snapshot = session.getSnapshot()
+      expect(snapshot.openState).toBe('open')
+      expect(snapshot.nodes.map(n => [n.kind, n.seq])).toEqual([['compaction', 81], ['user', 82]])
+      expect(snapshot.nodes[0]).toMatchObject({ summary: '窗外范围的摘要' })
+      expect(errorSpy).not.toHaveBeenCalled()
+    } finally {
+      errorSpy.mockRestore()
+    }
+  })
+
   it('drops a discontinuous older page fail-soft (window unchanged, hasMore cleared)', async () => {
     const { api, session } = makeSession()
     api.onHistory = payload => payload.beforeSeq === undefined
@@ -529,7 +846,7 @@ describe('remaining branches', () => {
     const feed = (event: SessionEvent) => { session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event }) }
     feed(ev.turnStart(6, 1))
     feed(ev.chunkStart(7, 1)) // empty text block only, no delta
-    feed(ev.turnEnd(8, 1, 'cancelled'))
+    feed(ev.turnEnd(8, 1, 'aborted'))
     const snapshot = session.getSnapshot()
     expect(snapshot.partial).toBeNull()
     expect(snapshot.nodes.filter(n => n.kind === 'assistant' && (n as { interrupted?: true }).interrupted)).toEqual([])
@@ -543,7 +860,7 @@ describe('remaining branches', () => {
     feed(ev.turnStart(6, 1))
     feed(ev.toolCall(7, 1, 'turn1-call', 'echo', '{}'))
     feed(ev.toolCall(8, 2, 'turn2-call', 'echo', '{}')) // stray call attributed to a later turn
-    feed(ev.turnEnd(9, 1, 'cancelled'))
+    feed(ev.turnEnd(9, 1, 'aborted'))
     const snapshot = session.getSnapshot()
     expect(snapshot.runningCalls.map(c => c.callId)).toEqual(['turn2-call'])
     expect(snapshot.nodes.at(-1)).toMatchObject({ kind: 'tool-result', callId: 'turn1-call', isError: true })
@@ -637,7 +954,7 @@ describe('remaining branches', () => {
     const feed = (event: SessionEvent) => { session.handleMuxEnvelope('r' as never, { type: 'session/event', sessionId: SID, event }) }
     feed(ev.turnStart(6, 1))
     feed(at(7, { type: 'assistant/chunk', data: { turn: 1, step: 0, chunk: { type: 'tool-call-delta', index: 0, id: 'c1', name: 'echo', argumentsDelta: '{' } } }))
-    feed(ev.turnEnd(8, 1, 'cancelled'))
+    feed(ev.turnEnd(8, 1, 'aborted'))
     const frozen = session.getSnapshot().nodes.at(-1)
     expect(frozen).toMatchObject({ kind: 'assistant', interrupted: true, blocks: [{ kind: 'tool-call', callId: 'c1' }] })
   })
diff --git a/packages/client/runtime/tests/sessions-service.spec.ts b/packages/client/runtime/tests/sessions-service.spec.ts
index 8687f208f0..9fabb0d8de 100644
--- a/packages/client/runtime/tests/sessions-service.spec.ts
+++ b/packages/client/runtime/tests/sessions-service.spec.ts
@@ -69,6 +69,29 @@ describe('list store projection', () => {
   })
 })
 
+describe('search', () => {
+  it('delegates transient content search without changing the list snapshot', async () => {
+    const b = bench()
+    await feedList(b, [{ id: 's1' }])
+    const before = b.svc.list.getSnapshot()
+    b.api.onSearch = () => Promise.resolve(ok({
+      items: [{ sessionId: sid('s1'), snippet: 'matching excerpt' }],
+      hasMore: false,
+    }))
+    const signal = new AbortController().signal
+
+    await expect(b.svc.search('needle', signal)).resolves.toEqual({
+      ok: true,
+      value: {
+        items: [{ sessionId: 's1', snippet: 'matching excerpt' }],
+        hasMore: false,
+      },
+    })
+    expect(b.api.lastSearchSignal).toBe(signal)
+    expect(b.svc.list.getSnapshot()).toBe(before)
+  })
+})
+
 describe('scope tree', () => {
   it('mints lazily on first resolution, tags the ctx, and keeps binding identity stable', async () => {
     const b = bench()
diff --git a/packages/client/runtime/tests/slots-service.spec.ts b/packages/client/runtime/tests/slots-service.spec.ts
index 07e03b6e9d..b2e510a26f 100644
--- a/packages/client/runtime/tests/slots-service.spec.ts
+++ b/packages/client/runtime/tests/slots-service.spec.ts
@@ -41,8 +41,8 @@ interface Bench {
 
 async function boot(): Promise<Bench> {
   const ctx = new Context()
-  ctx.plugin(SlotsService)
-  await ctx.fiber.await()
+  const fiber = ctx.plugin(SlotsService)
+  await fiber
   // Service accessor (ctx.get reads the reflect store, which Service-class
   // plugins do not write; the accessor is the product path).
   const svc = ctx.slots
diff --git a/packages/client/runtime/tests/transcript-adapter.spec.ts b/packages/client/runtime/tests/transcript-adapter.spec.ts
new file mode 100644
index 0000000000..cc03d349b8
--- /dev/null
+++ b/packages/client/runtime/tests/transcript-adapter.spec.ts
@@ -0,0 +1,418 @@
+/**
+ * TranscriptAdapter over the raw append-only window: log-ordered projection of
+ * append-origin events, one marker per landed compaction, replacement copies
+ * hidden, command-lifecycle folding, node/array identity, call pairing, and
+ * host-provided wire views.
+ */
+
+import { createUserMessage, CallId, createMessage, createToolResultMessage } from '@deepseek-ai/dsh-llm'
+import { describe, expect, it } from 'vitest'
+import type { SessionEvent } from '@deepseek-ai/dsh-session/types'
+import { TranscriptAdapter } from '../src/client/sessions/transcript-adapter.ts'
+import { ev, plainTurn } from './event-script.ts'
+
+const at = (seq: number, e: Record<string, unknown>): SessionEvent =>
+  ({ seq, time: 1_700_000_000_000 + seq, ...e }) as unknown as SessionEvent
+
+/** A `compact/summary` provenance event (log-only, no surfaceOp). */
+function compactSummary(seq: number, summary: unknown = [{ type: 'text', text: '# 摘要\n\n保留事实' }]): SessionEvent {
+  return at(seq, {
+    type: 'compact/summary',
+    data: {
+      summary,
+      shadowedRange: { start: 1, end: 3 },
+      shadowedSeqs: [1, 3],
+      shadowedTokenCount: 100,
+      provider: 'fake',
+      model: 'compact-1',
+    },
+  })
+}
+
+/** The replacement user message a compaction backend lands (the checkpoint). */
+function checkpoint(
+  seq: number,
+  summarySeq: number,
+  { start = 1, end = 3, sourceEventSeqs = [summarySeq, start, end] }: {
+    start?: number
+    end?: number
+    sourceEventSeqs?: number[]
+  } = {},
+): SessionEvent {
+  return at(seq, {
+    type: 'user/message',
+    surfaceOp: { op: 'replace', start, end },
+    sourceEventSeqs,
+    data: createUserMessage({
+      content: [{ type: 'text', text: '<context_checkpoint>model only</context_checkpoint>' }],
+      source: { kind: 'plugin', plugin: 'compact' },
+    }),
+  })
+}
+
+describe('TranscriptAdapter', () => {
+  it('projects a window starting past seq 0 at its own log positions', () => {
+    const adapter = new TranscriptAdapter()
+    adapter.reset(plainTurn(100, 5, '偏移问', '偏移答'))
+    expect(adapter.nodes().map(n => [n.kind, n.seq])).toEqual([['user', 101], ['assistant', 103]])
+  })
+
+  it('appends incrementally keeping old node references (materialize-once identity)', () => {
+    const adapter = new TranscriptAdapter()
+    adapter.reset(plainTurn(0, 0, 'a', 'b'))
+    const first = adapter.nodes()
+    adapter.append(ev.user(6, '追加'))
+    const second = adapter.nodes()
+    expect(second).toHaveLength(3)
+    expect(second[0]).toBe(first[0])
+    expect(second[1]).toBe(first[1])
+    expect(second).not.toBe(first) // a real change swaps the array
+  })
+
+  it('keeps the array reference across a chunk storm and swaps it when a node lands', () => {
+    const adapter = new TranscriptAdapter()
+    adapter.reset(plainTurn(0, 0, 'a', 'b'))
+    const settled = adapter.nodes()
+    adapter.append(ev.chunkStart(6, 1))
+    expect(adapter.nodes()).toBe(settled)
+    adapter.append(ev.chunkText(7, 1, '流式'))
+    expect(adapter.nodes()).toBe(settled)
+    adapter.append(ev.assistant(8, 1, '流式完成'))
+    const finalized = adapter.nodes()
+    expect(finalized).not.toBe(settled)
+    expect(finalized.at(-1)).toMatchObject({ kind: 'assistant', seq: 8 })
+  })
+
+  it('materializes every append-origin variant with field mapping', () => {
+    const adapter = new TranscriptAdapter()
+    adapter.reset([
+      ev.user(0, '用户'),
+      ev.assistant(1, 0, '助手'),
+      at(2, { type: 'steering/message', surfaceOp: 'append', data: {
+        turn: 0,
+        message: createUserMessage({
+          content: [{ type: 'text', text: '插话' }],
+          source: { kind: 'user' },
+        }),
+      } }),
+      at(3, { type: 'user/message', surfaceOp: 'append', data: createUserMessage({
+        content: [{ type: 'text', text: '上下文' }], source: { kind: 'plugin', plugin: 'p' },
+      }) }),
+      ev.toolCall(4, 0, 'c1', 'echo', '{"x":1}'),
+      ev.toolResult(5, 0, 'c1', '结果'),
+    ])
+    const nodes = adapter.nodes()
+    expect(nodes.map(n => n.kind)).toEqual(['user', 'assistant', 'steering', 'context', 'tool-result'])
+    expect(nodes.find(n => n.kind === 'tool-result')).toMatchObject({
+      callId: 'c1', call: { name: 'echo', argsRaw: '{"x":1}' }, isError: false,
+    })
+  })
+
+  it('skips events core does not call surface-eligible, marker or not', () => {
+    // The transcript is the append-origin surface, so log-only events (a chunk,
+    // a turn boundary, a compact/* provenance record) and a future type core
+    // has not admitted contribute no node.
+    const adapter = new TranscriptAdapter()
+    adapter.reset([
+      ev.turnStart(0, 1),
+      at(1, { type: 'notice/message', surfaceOp: 'append', data: { note: 1 } }),
+      compactSummary(2),
+      ev.user(3, '唯一的一条'),
+      ev.turnEnd(4, 1),
+    ])
+    expect(adapter.nodes().map(n => [n.kind, n.seq])).toEqual([['user', 3]])
+  })
+
+  describe('compaction markers', () => {
+    it('keeps the original messages and full tool output, hiding replacement copies', () => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset([
+        ev.user(0, '原始问题'),
+        ev.assistant(1, 0, '原始回答'),
+        ev.toolCall(4, 0, 'c1', 'echo', '{}'),
+        ev.toolResult(5, 0, 'c1', '完整工具输出'),
+        // A pruned tool/result copy: rewrites one node for the model, marks nothing.
+        at(6, { type: 'tool/result', surfaceOp: { op: 'replace', start: 5, end: 5 }, sourceEventSeqs: [5], data: {
+          turn: 0, step: 0,
+          message: createToolResultMessage({ callId: CallId('c1'), content: [{ type: 'text', text: '已裁剪' }], isError: false }),
+        } }),
+        compactSummary(7),
+        checkpoint(8, 7, { start: 1, end: 5, sourceEventSeqs: [7, 1, 5] }),
+        // A regenerated assistant/message: also a silent model-only rewrite.
+        at(9, { type: 'assistant/message', surfaceOp: { op: 'replace', start: 8, end: 8 }, sourceEventSeqs: [8], data: {
+          turn: 0, step: 0,
+          message: createMessage({
+            role: 'assistant',
+            content: [{ type: 'text', text: '通用 replacement 副本' }],
+            source: { kind: 'model', ...{ provider: 'x', model: 'copy' } },
+          }),
+        } }),
+      ])
+      const nodes = adapter.nodes()
+      expect(nodes.map(n => [n.kind, n.seq])).toEqual([
+        ['user', 0], ['assistant', 1], ['tool-result', 5], ['compaction', 8],
+      ])
+      expect(nodes[2]).toMatchObject({ kind: 'tool-result', content: [{ type: 'text', text: '完整工具输出' }] })
+      expect(nodes[3]).toMatchObject({ kind: 'compaction', summary: '# 摘要\n\n保留事实' })
+    })
+
+    it('adds one marker per landed compaction, in log order', () => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset([
+        ev.user(0, 'a'),
+        compactSummary(1, [{ type: 'text', text: 'first' }]),
+        checkpoint(2, 1, { start: 0, end: 0, sourceEventSeqs: [1, 0] }),
+        ev.user(3, 'b'),
+        compactSummary(4, [{ type: 'text', text: 'second' }]),
+        checkpoint(5, 4, { start: 2, end: 3, sourceEventSeqs: [4, 2, 3] }),
+      ])
+      expect(adapter.nodes().filter(n => n.kind === 'compaction')).toEqual([
+        { kind: 'compaction', seq: 2, time: 1_700_000_000_002, summary: 'first' },
+        { kind: 'compaction', seq: 5, time: 1_700_000_000_005, summary: 'second' },
+      ])
+    })
+
+    it('renders the marker when the shadowed range is outside the window and logs nothing', () => {
+      // The pagination hole A1 left open: quota is no longer spent on
+      // replacement copies, so a page can carry a checkpoint whose
+      // surfaceOp.start lies below the window head. The old surface fold threw
+      // on the missing range and degraded with a console error; a log-ordered
+      // projection has no range to resolve.
+      const adapter = new TranscriptAdapter()
+      const noise = { error: console.error, warn: console.warn }
+      const logged: unknown[] = []
+      console.error = (...args: unknown[]) => logged.push(args)
+      console.warn = (...args: unknown[]) => logged.push(args)
+      try {
+        adapter.reset([
+          compactSummary(80, [{ type: 'text', text: '窗外范围' }]),
+          checkpoint(81, 80, { start: 3, end: 40, sourceEventSeqs: [80, 3, 40] }),
+          ev.user(82, '压缩后的新问题'),
+        ])
+        expect(adapter.nodes().map(n => [n.kind, n.seq])).toEqual([['compaction', 81], ['user', 82]])
+        expect(adapter.nodes()[0]).toMatchObject({ summary: '窗外范围' })
+      } finally {
+        console.error = noise.error
+        console.warn = noise.warn
+      }
+      expect(logged).toEqual([])
+    })
+
+    it('treats an APPENDING plugin-sourced user/message as injected context, not a compaction', () => {
+      // A session-reference card carries the same plugin source shape; only the
+      // replacement marker makes an event a checkpoint.
+      const adapter = new TranscriptAdapter()
+      adapter.reset([
+        at(0, { type: 'user/message', surfaceOp: 'append', data: createUserMessage({
+          content: [{ type: 'text', text: '注入的上下文' }],
+          source: { kind: 'plugin', plugin: 'compact' },
+        }) }),
+      ])
+      expect(adapter.nodes()).toMatchObject([{ kind: 'context', seq: 0 }])
+    })
+
+    it('ignores a foreign plugin s replacement user/message', () => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset([
+        ev.user(0, '保留'),
+        at(1, { type: 'user/message', surfaceOp: { op: 'replace', start: 0, end: 0 }, sourceEventSeqs: [0], data: createUserMessage({
+          content: [{ type: 'text', text: '别的插件重写' }],
+          source: { kind: 'plugin', plugin: 'not-compact' },
+        }) }),
+      ])
+      expect(adapter.nodes().map(n => [n.kind, n.seq])).toEqual([['user', 0]])
+    })
+
+    it.each([
+      ['absent provenance', undefined],
+      ['text-less summary blocks', compactSummary(1, [{ type: 'image', data: 'nope' }])],
+      ['a whitespace-only summary', compactSummary(1, [{ type: 'text', text: '   ' }])],
+      ['an empty summary array', compactSummary(1, [])],
+      ['a non-array summary', compactSummary(1, 'plain string')],
+    ])('degrades %s to a non-expandable marker', (_label, summary) => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset([
+        ...(summary === undefined ? [] : [summary]),
+        checkpoint(2, 1, { start: 0, end: 0, sourceEventSeqs: [1, 0] }),
+      ])
+      expect(adapter.nodes()).toEqual([
+        { kind: 'compaction', seq: 2, time: 1_700_000_000_002, summary: null },
+      ])
+    })
+
+    it('keeps the text of a mixed-block summary, skipping the blocks it cannot render', () => {
+      // ContentBlock is merge-extensible and the payload type is ContentBlock[],
+      // so a non-text block must not discard recoverable text beside it.
+      const adapter = new TranscriptAdapter()
+      adapter.reset([
+        compactSummary(1, [{ type: 'text', text: '可用摘要' }, { type: 'image', data: 'nope' }]),
+        checkpoint(2, 1, { start: 0, end: 0, sourceEventSeqs: [1, 0] }),
+      ])
+      expect(adapter.nodes()).toEqual([
+        { kind: 'compaction', seq: 2, time: 1_700_000_000_002, summary: '可用摘要' },
+      ])
+    })
+
+    it('leaves the summary null when the checkpoint records no provenance at all', () => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset([at(2, {
+        type: 'user/message',
+        surfaceOp: { op: 'replace', start: 0, end: 0 },
+        data: createUserMessage({
+          content: [{ type: 'text', text: '<context_checkpoint>x</context_checkpoint>' }],
+          source: { kind: 'plugin', plugin: 'compact' },
+        }),
+      })])
+      expect(adapter.nodes()).toEqual([{ kind: 'compaction', seq: 2, time: 1_700_000_000_002, summary: null }])
+    })
+
+    it('skips a non-summary provenance seq before reaching the real one', () => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset([
+        ev.user(0, '被压缩的问题'),
+        at(1, { type: 'compact/start', data: { turn: 0 } }),
+        compactSummary(2, [{ type: 'text', text: '第三个来源才是摘要' }]),
+        checkpoint(3, 2, { start: 0, end: 0, sourceEventSeqs: [1, 2, 0] }),
+      ])
+      expect(adapter.nodes().at(-1)).toMatchObject({ kind: 'compaction', summary: '第三个来源才是摘要' })
+    })
+
+    it('resolves the summary once an older page supplies the provenance', () => {
+      const adapter = new TranscriptAdapter()
+      const landed = checkpoint(8, 7, { start: 0, end: 0, sourceEventSeqs: [7, 0] })
+      adapter.reset([landed])
+      expect(adapter.nodes()[0]).toMatchObject({ kind: 'compaction', summary: null })
+      adapter.reset([compactSummary(7, [{ type: 'text', text: '分页补齐的摘要' }]), landed])
+      expect(adapter.nodes()[0]).toMatchObject({ kind: 'compaction', summary: '分页补齐的摘要' })
+    })
+
+    it('creates the marker on the live append path', () => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset(plainTurn(0, 0, 'a', 'b'))
+      adapter.append(compactSummary(6, [{ type: 'text', text: '直播摘要' }]))
+      adapter.append(checkpoint(7, 6, { start: 1, end: 3, sourceEventSeqs: [6, 1, 3] }))
+      const nodes = adapter.nodes()
+      // The compacted history is still there; the marker is one more row after it.
+      expect(nodes.map(n => [n.kind, n.seq])).toEqual([['user', 1], ['assistant', 3], ['compaction', 7]])
+      expect(nodes.at(-1)).toMatchObject({ kind: 'compaction', seq: 7, summary: '直播摘要' })
+    })
+  })
+
+  it('returns call:null for a tool-result whose call fell outside the window', () => {
+    const adapter = new TranscriptAdapter()
+    adapter.reset([ev.toolResult(50, 3, 'outside-call', '孤儿结果')])
+    expect(adapter.nodes()[0]).toMatchObject({ kind: 'tool-result', callId: 'outside-call', call: null })
+  })
+
+  it('materializes a tool-result error field when present', () => {
+    const adapter = new TranscriptAdapter()
+    adapter.reset([
+      at(0, { type: 'tool/result', surfaceOp: 'append', data: {
+        turn: 0, step: 0,
+        message: createToolResultMessage({ callId: CallId('c1'), content: [], isError: true }),
+        error: { name: 'Boom', code: 'boom' },
+      } }),
+    ])
+    expect(adapter.nodes()[0]).toMatchObject({ kind: 'tool-result', isError: true, error: { code: 'boom' } })
+  })
+
+  it('attaches wire views to the materialized result node', () => {
+    const adapter = new TranscriptAdapter()
+    const callView = { for: 'call' as const, view: { card: 'terminal' as const, command: 'ls' } }
+    const resultView = { for: 'result' as const, view: { card: 'generic' as const, title: '完成' } }
+    adapter.reset([
+      ev.toolCall(0, 1, 'c1', 'bash', '{"cmd":"ls"}'),
+      ev.toolResult(1, 1, 'c1', 'listing'),
+    ], [callView, resultView] as never)
+    expect(adapter.nodes().find(n => n.kind === 'tool-result')).toMatchObject({
+      callView: { card: 'terminal' }, resultView: { card: 'generic', title: '完成' },
+    })
+  })
+
+  it('attaches views on the live append path and defaults to null without views', () => {
+    const adapter = new TranscriptAdapter()
+    adapter.reset(plainTurn(0, 0, 'a', 'b')) // no views argument
+    adapter.append(ev.toolCall(6, 1, 'c2', 'echo', '{}'), { for: 'call', view: { card: 'generic', title: '回声' } } as never)
+    adapter.append(ev.toolResult(7, 1, 'c2', 'ok')) // no view on the result
+    expect(adapter.nodes().find(n => n.kind === 'tool-result')).toMatchObject({
+      callView: { title: '回声' }, resultView: null,
+    })
+  })
+
+  it('leaves callView null when the paired call fell outside the window (cross-page break)', () => {
+    const adapter = new TranscriptAdapter()
+    const resultView = { for: 'result' as const, view: { card: 'generic' as const, title: '孤儿' } }
+    adapter.reset([ev.toolResult(50, 3, 'outside', '窗外配对')], [resultView] as never)
+    expect(adapter.nodes()[0]).toMatchObject({
+      kind: 'tool-result', call: null, callView: null, resultView: { title: '孤儿' },
+    })
+  })
+
+  describe('command lifecycle nodes', () => {
+    it('folds a run/done pair into one settled node merged into flow order by seq', () => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset([
+        ev.user(0, '先说话'),
+        ev.commandRun(1, 'cmd-1', 'plan'),
+        ev.commandDone(2, 'cmd-1', 'success', '已进入 plan mode'),
+        ev.assistant(3, 0, '然后回答'),
+      ])
+      const nodes = adapter.nodes()
+      expect(nodes.map(n => [n.kind, n.seq])).toEqual([['user', 0], ['command', 1], ['assistant', 3]])
+      expect(nodes[1]).toMatchObject({
+        kind: 'command', commandId: 'cmd-1', name: 'plan', args: '',
+        outcome: { kind: 'success', text: '已进入 plan mode' },
+      })
+    })
+
+    it('renders a run with no done as still executing (outcome null)', () => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset([ev.commandRun(0, 'cmd-2', 'goal', ' ship it')])
+      expect(adapter.nodes()[0]).toMatchObject({ kind: 'command', name: 'goal', args: ' ship it', outcome: null })
+    })
+
+    it('soft-falls a done-only window into a node built from the done (cross-window cut)', () => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset([ev.commandDone(80, 'cmd-3', 'error', '失败了')])
+      expect(adapter.nodes()[0]).toMatchObject({
+        kind: 'command', seq: 80, commandId: 'cmd-3', name: null, args: null,
+        outcome: { kind: 'error', text: '失败了' },
+      })
+    })
+
+    it('settles a live-appended done in place, keeping the node at the run seq', () => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset(plainTurn(0, 0, 'q', 'a'))
+      adapter.append(ev.commandRun(6, 'cmd-4', 'clear'))
+      const running = adapter.nodes().find(n => n.kind === 'command')
+      expect(running).toMatchObject({ outcome: null })
+      adapter.append(ev.commandDone(7, 'cmd-4'))
+      const settled = adapter.nodes().find(n => n.kind === 'command')
+      expect(settled).toMatchObject({ seq: 6, outcome: { kind: 'success' } })
+      // Settlement replaced the node object rather than mutating the published one.
+      expect(settled).not.toBe(running)
+    })
+
+    it('tails command nodes whose seq is past every transcript node', () => {
+      const adapter = new TranscriptAdapter()
+      adapter.reset([ev.user(0, '问'), ev.commandRun(1, 'cmd-tail', 'plan')])
+      expect(adapter.nodes().map(n => n.kind)).toEqual(['user', 'command'])
+    })
+
+    it('renders the /compact row alongside the marker its own command produced', () => {
+      // The row that reports the compaction is a command node; dropping command
+      // folding would delete it together with every other slash-command row.
+      const adapter = new TranscriptAdapter()
+      adapter.reset([
+        ev.user(0, '压缩前的问题'),
+        ev.commandRun(1, 'cmd-compact', 'compact'),
+        compactSummary(2, [{ type: 'text', text: '手动压缩摘要' }]),
+        checkpoint(3, 2, { start: 0, end: 0, sourceEventSeqs: [2, 0] }),
+        ev.commandDone(4, 'cmd-compact', 'success', '已压缩'),
+      ])
+      const nodes = adapter.nodes()
+      expect(nodes.map(n => [n.kind, n.seq])).toEqual([['user', 0], ['command', 1], ['compaction', 3]])
+      expect(nodes[1]).toMatchObject({ name: 'compact', outcome: { kind: 'success', text: '已压缩' } })
+    })
+  })
+})
diff --git a/packages/client/runtime/tests/workspaces-service.spec.ts b/packages/client/runtime/tests/workspaces-service.spec.ts
index 7fd6934827..4323d7ffce 100644
--- a/packages/client/runtime/tests/workspaces-service.spec.ts
+++ b/packages/client/runtime/tests/workspaces-service.spec.ts
@@ -183,6 +183,12 @@ describe('WorkspacesService', () => {
 
     // Unknown workspace fails loud instead of silently creating in nowhere.
     await expect(workspaces.connectWorkspace(wid('ghost'))).rejects.toThrow(/unknown workspace ghost/)
+
+    // An archived blank is never reused: no surface can show it, so New
+    // Session mints a fresh one for alpha instead.
+    await workspaces.archiveSession(sid('s-blank'))
+    api.onCreate = () => Promise.resolve(ok({ sessionId: sid('s-fresh-2') }))
+    await expect(workspaces.connectWorkspace(wid('alpha'))).resolves.toBe('s-fresh-2')
   })
 
   it('a rejected first prompt keeps the blank session eligible for connectWorkspace reuse', async () => {
@@ -285,6 +291,84 @@ describe('WorkspacesService', () => {
     }))
     await expect(workspaces.delete(wid('ghost'))).rejects.toThrow(/workspace-not-found: gone/)
   })
+
+  it('archives a session, projects the set from the response, list, and frame, and clears only the current one', async () => {
+    const ctx = new Context()
+    const api = new FakeApiClient()
+    const sessions = new SessionsService(ctx, api)
+    const workspaces = new WorkspacesService(ctx, api, sessions)
+    api.onList = () => Promise.resolve(ok({
+      items: [
+        { sessionId: sid('s-open'), updatedAt: 2, running: false, blank: false },
+        { sessionId: sid('s-idle'), updatedAt: 1, running: false, blank: false },
+      ],
+    }) as never)
+    await sessions.refresh()
+    sessions.open(sid('s-open'))
+
+    // Archiving a non-current session installs the unary echo and keeps the selection.
+    await expect(workspaces.archiveSession(sid('s-idle'))).resolves.toBeUndefined()
+    expect(api.callsOf('workspace.archiveSession')).toEqual([{ sessionId: 's-idle' }])
+    expect(workspaces.list.getSnapshot().archivedSessionIds).toEqual(['s-idle'])
+    expect(sessions.list.getSnapshot().current).toBe('s-open')
+
+    // Archiving the current session clears it into the New Session view state.
+    api.onWorkspaceArchiveSession = () => Promise.resolve(ok({ archivedSessionIds: [sid('s-idle'), sid('s-open')] }))
+    await workspaces.archiveSession(sid('s-open'))
+    expect(workspaces.list.getSnapshot().archivedSessionIds).toEqual(['s-idle', 's-open'])
+    expect(sessions.list.getSnapshot().current).toBeUndefined()
+
+    // A Host failure leaves the set and the selection untouched.
+    api.onWorkspaceArchiveSession = () => Promise.resolve(err({
+      code: 'session-not-found', message: 'no session ghost', details: { sessionId: sid('ghost') },
+    }))
+    await expect(workspaces.archiveSession(sid('ghost'))).rejects.toThrow(/session-not-found/)
+    expect(workspaces.list.getSnapshot().archivedSessionIds).toEqual(['s-idle', 's-open'])
+
+    // The changed frame and the list baseline both re-install the full set.
+    workspaces.handleHostEnvelope({
+      rpcId: 'frame' as never,
+      payload: { type: 'host/archived-sessions-changed', archivedSessionIds: [sid('s-idle')] },
+    } as never)
+    // Frame installs ride the notifier's microtask batch before projecting.
+    await new Promise(resolve => setTimeout(resolve, 0))
+    expect(workspaces.list.getSnapshot().archivedSessionIds).toEqual(['s-idle'])
+    api.onWorkspaceList = () => Promise.resolve(ok({ items: [], archivedSessionIds: [sid('s-open')] }) as never)
+    await workspaces.refresh()
+    expect(workspaces.list.getSnapshot().archivedSessionIds).toEqual(['s-open'])
+  })
+
+  it('clears a current archived by a remote frame and shields the set from a stale in-flight baseline', async () => {
+    const ctx = new Context()
+    const api = new FakeApiClient()
+    const sessions = new SessionsService(ctx, api)
+    const workspaces = new WorkspacesService(ctx, api, sessions)
+    api.onList = () => Promise.resolve(ok({
+      items: [{ sessionId: sid('s-open'), updatedAt: 1, running: false, blank: false }],
+    }) as never)
+    await sessions.refresh()
+    sessions.open(sid('s-open'))
+
+    // A stale baseline is in flight (older, empty set) when another tab's
+    // archive frame lands: the frame clears the current selection and its
+    // set survives the baseline's later resolution.
+    const gate = deferred<Awaited<ReturnType<FakeApiClient['onWorkspaceList']>>>()
+    api.onWorkspaceList = () => gate.promise
+    const hydration = workspaces.refresh()
+    workspaces.handleHostEnvelope({
+      rpcId: 'frame' as never,
+      payload: { type: 'host/archived-sessions-changed', archivedSessionIds: [sid('s-open')] },
+    } as never)
+    await new Promise(resolve => setTimeout(resolve, 0))
+    expect(sessions.list.getSnapshot().current).toBeUndefined()
+    gate.resolve(ok({ items: [], archivedSessionIds: [] }))
+    await hydration
+    expect(workspaces.list.getSnapshot().archivedSessionIds).toEqual(['s-open'])
+    // The next (fresh) baseline is authoritative again.
+    api.onWorkspaceList = () => Promise.resolve(ok({ items: [], archivedSessionIds: [] }) as never)
+    await workspaces.refresh()
+    expect(workspaces.list.getSnapshot().archivedSessionIds).toEqual([])
+  })
 })
 
 describe('startInitialSelection', () => {
diff --git a/packages/client/runtime/tsconfig.json b/packages/client/runtime/tsconfig.json
index 7d3f05e6c7..f1512c7059 100644
--- a/packages/client/runtime/tsconfig.json
+++ b/packages/client/runtime/tsconfig.json
@@ -26,6 +26,9 @@
     {
       "path": "../../ui/commands"
     },
+    {
+      "path": "../../compact/compact"
+    },
     {
       "path": "../../session-projection/session-projection"
     },
@@ -35,6 +38,9 @@
     {
       "path": "../../llm/llm"
     },
+    {
+      "path": "../../llm/llm-retry"
+    },
     {
       "path": "../../support/invariants"
     }
diff --git a/packages/client/test-runtime/README.i18n.yaml b/packages/client/test-runtime/README.i18n.yaml
index 73a4705b1b..fe40088b11 100644
--- a/packages/client/test-runtime/README.i18n.yaml
+++ b/packages/client/test-runtime/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/test-runtime/README.md
-README.md: 883d71224139dc409229fdfb35362d040e810cc7
-README.zh.md: a3daf112940b03b585d44bc5fd1317e43ebd35fe
+README.md: dc8ee8cadf5e61af15f04b1b9842af1eb658c031
+README.zh.md: a4c889d8a0291b52c8509403748df6b93567788e
diff --git a/packages/client/test-runtime/README.md b/packages/client/test-runtime/README.md
index 883d712241..dc8ee8cadf 100644
--- a/packages/client/test-runtime/README.md
+++ b/packages/client/test-runtime/README.md
@@ -21,4 +21,4 @@ None; this package neither assembles nor sends a provider request.
 ## Known Limitations and Deferred Work
 
 - **Consumed through repository source aliases only.** Specs resolve the package through tsconfig `paths` to `src`; the built `lib/` artifact re-exports `@deepseek-ai/dsh-client-runtime/client`, whose bundle is a browser loader script with no Node ESM exports, so `lib/index.js` is not importable under plain Node. Acceptable while every consumer is an in-repo Vitest suite; a Node-compatible runtime entry is deferred until an out-of-repo consumer exists.
-- **Conversation snapshots are fixture data, not replayed history.** `updateSnapshot` writes the snapshot store directly; the wire-to-snapshot computation stays covered by the runtime package's own tests and the replay e2e. A fixture can therefore express states the production fold would never produce.
+- **Conversation snapshots are fixture data, not replayed history.** `updateSnapshot` writes the snapshot store directly; the wire-to-snapshot computation stays covered by the runtime package's own tests and the replay e2e. A fixture can therefore express states the production projection would never produce.
diff --git a/packages/client/test-runtime/README.zh.md b/packages/client/test-runtime/README.zh.md
index a3daf11294..a4c889d8a0 100644
--- a/packages/client/test-runtime/README.zh.md
+++ b/packages/client/test-runtime/README.zh.md
@@ -21,4 +21,4 @@
 ## Known Limitations and Deferred Work
 
 - **仅可经仓内源码别名消费。** spec 通过 tsconfig `paths` 解析到 `src`；构建产物 `lib/` 再导出 `@deepseek-ai/dsh-client-runtime/client`，而该 bundle 是无 Node ESM 导出的浏览器 loader 脚本，故 `lib/index.js` 在纯 Node 下不可导入。当前所有消费方都是仓内 Vitest 套件，可接受；Node 兼容的运行时入口待出现仓外消费方再补。
-- **会话快照是 fixture 数据，不是重放历史。** `updateSnapshot` 直写快照 store；wire 到快照的运算仍由 runtime 包自身测试与 replay e2e 把守。因此 fixture 可以表达生产折叠永不产出的状态。
+- **会话快照是 fixture 数据，不是重放历史。** `updateSnapshot` 直写快照 store；wire 到快照的运算仍由 runtime 包自身测试与 replay e2e 把守。因此 fixture 可以表达生产投影永不产出的状态。
diff --git a/packages/client/test-runtime/package.json b/packages/client/test-runtime/package.json
index 10b80bdd68..e892d9cd52 100644
--- a/packages/client/test-runtime/package.json
+++ b/packages/client/test-runtime/package.json
@@ -28,6 +28,7 @@
     "@deepseek-ai/dsh-client-runtime": "^0.0.1",
     "@deepseek-ai/dsh-client-ui-slots": "^0.0.1",
     "@deepseek-ai/dsh-client-web-react": "^0.0.1",
+    "@deepseek-ai/dsh-host-apiproxy": "^0.0.1",
     "@deepseek-ai/dsh-invariants": "^0.0.1",
     "cordis": "^4.0.0-rc.7",
     "react": "^18.2.0",
@@ -37,6 +38,7 @@
     "@deepseek-ai/dsh-client-runtime": "workspace:^",
     "@deepseek-ai/dsh-client-ui-slots": "workspace:^",
     "@deepseek-ai/dsh-client-web-react": "workspace:^",
+    "@deepseek-ai/dsh-host-apiproxy": "workspace:^",
     "@deepseek-ai/dsh-invariants": "workspace:^",
     "@types/react": "~18.3.1",
     "@types/react-dom": "~18.3.0",
diff --git a/packages/client/test-runtime/src/fixtures.ts b/packages/client/test-runtime/src/fixtures.ts
index 4219d233e2..e912f63536 100644
--- a/packages/client/test-runtime/src/fixtures.ts
+++ b/packages/client/test-runtime/src/fixtures.ts
@@ -46,7 +46,6 @@ export function conversationSnapshot(sessionId: SessionId): ConversationSnapshot
   return {
     sessionId,
     nodes: [],
-    foldDegraded: false,
     partial: null,
     runningCalls: [],
     codeDispatches: new Map(),
@@ -73,6 +72,7 @@ export function conversationSnapshot(sessionId: SessionId): ConversationSnapshot
 export function workspaceListState(): WorkspaceListState {
   return {
     items: [],
+    archivedSessionIds: [],
     state: 'idle',
     phase: 'ready',
     error: null,
diff --git a/packages/client/test-runtime/src/index.ts b/packages/client/test-runtime/src/index.ts
index 7100e1595e..5ef5350434 100644
--- a/packages/client/test-runtime/src/index.ts
+++ b/packages/client/test-runtime/src/index.ts
@@ -38,6 +38,7 @@ export { TestWorkspaces } from './workspaces.ts'
 export { conversationSnapshot, workspaceListState } from './fixtures.ts'
 export type { SessionBehaviorOverrides, SessionFixture, Stabilizer } from './fixtures.ts'
 export { makeTranslate } from './translate.ts'
+export { usePinnedBrowserLanguages } from './locale-env.ts'
 
 /** Erased register face for the internal root call (the public declare seam holds the typing). */
 type ErasedRegister = (options: object, component: unknown) => () => void
diff --git a/packages/client/test-runtime/src/locale-env.ts b/packages/client/test-runtime/src/locale-env.ts
new file mode 100644
index 0000000000..f938557132
--- /dev/null
+++ b/packages/client/test-runtime/src/locale-env.ts
@@ -0,0 +1,29 @@
+/**
+ * Browser-language pin for specs that assert localized copy. A fresh
+ * LocaleService with no stored preference opens in the language `navigator`
+ * asks for, and jsdom reports the runner's own (`en-US`) — so a spec asserting
+ * the product's Chinese copy states the browser it assumes instead of
+ * inheriting the machine's.
+ */
+import { afterEach, beforeEach } from 'vitest'
+
+/**
+ * Pin `navigator.languages`/`navigator.language` for every test in the
+ * calling file (or describe block), restoring the environment's own values
+ * afterwards. Call at suite level, like the other vitest hooks.
+ * @param primary - most preferred BCP 47 tag; also becomes `navigator.language`.
+ * @param rest - further tags in preference order.
+ */
+export function usePinnedBrowserLanguages(primary: string, ...rest: string[]): void {
+  beforeEach(() => {
+    Object.defineProperty(navigator, 'languages', { value: [primary, ...rest], configurable: true })
+    Object.defineProperty(navigator, 'language', { value: primary, configurable: true })
+  })
+  afterEach(() => {
+    // Deleting the own properties uncovers the environment's own accessors
+    // again (Navigator declares both readonly, hence the erased receiver).
+    const own = navigator as unknown as Record<string, unknown>
+    delete own.languages
+    delete own.language
+  })
+}
diff --git a/packages/client/test-runtime/src/sessions.ts b/packages/client/test-runtime/src/sessions.ts
index f40f9a14a5..b26c033bb7 100644
--- a/packages/client/test-runtime/src/sessions.ts
+++ b/packages/client/test-runtime/src/sessions.ts
@@ -4,8 +4,11 @@ import { createScope, scopeOf, SessionProvideChannel } from '@deepseek-ai/dsh-cl
 import { createSnapshotStore } from '@deepseek-ai/dsh-client-runtime/client'
 import type {
   ConversationSnapshot, ISessions, ObservableSnapshot, ProjectionsFace, SessionFace, SessionId,
-  SessionListState, SessionProvideDescriptor, SessionSummary, SnapshotStore,
+  SessionListState, SessionProvideDescriptor, SessionSearchResultItem, SessionSummary, SnapshotStore,
 } from '@deepseek-ai/dsh-client-runtime/client'
+// The double reports the wire schema's own search bound, like the production
+// service — a transport-varying limit would be a fiction no client can see.
+import { SESSION_SEARCH_RESULT_LIMIT } from '@deepseek-ai/dsh-host-apiproxy/api'
 import type { HostObservable, SessionMaybeProvideInfo, SessionProvideInfo } from '@deepseek-ai/dsh-client-ui-slots'
 import { conversationSnapshot } from './fixtures.ts'
 import type { SessionFixture, Stabilizer } from './fixtures.ts'
@@ -151,8 +154,8 @@ export interface TestSessionBinding {
  *
  * Implements the same ISessions face features receive as `ctx.sessions`, so
  * a production face change breaks this double at compile time; the extra
- * members (add/updateSnapshot/setCurrent/remove/behavior/calls and the
- * legacy provideInfo/maybeProvideInfo lookups) are bench-only surface.
+ * members (add/updateSnapshot/setCurrent/remove/behavior/calls/stubSearch and
+ * the legacy provideInfo/maybeProvideInfo lookups) are bench-only surface.
  */
 export class TestSessions implements ISessions {
   /** The useSessions standard feed (list rows + current selection). */
@@ -168,8 +171,14 @@ export class TestSessions implements ISessions {
   /** The production provide channel (roster, materialization rules, current projection) — no test-side mirror. */
   private readonly channel: SessionProvideChannel
 
-  /** Calls observed on the service-level face (open/clear), newest last. */
-  readonly calls: { method: 'open' | 'clear' | 'fork'; args: unknown[] }[] = []
+  /** Calls observed on the service-level face (open/clear/search/fork), newest last. */
+  readonly calls: { method: 'open' | 'clear' | 'search' | 'fork'; args: unknown[] }[] = []
+
+  /** The wire schema's `session.search` result bound (production parity). */
+  readonly searchResultLimit = SESSION_SEARCH_RESULT_LIMIT
+
+  /** Replaceable search behavior (see {@link TestSessions.stubSearch}). */
+  private searchStub: ((query: string, signal: AbortSignal) => { items: SessionSearchResultItem[]; hasMore: boolean }) | undefined
 
   /**
    * @param stabilize - the owning runtime's act wrapper.
@@ -392,6 +401,27 @@ export class TestSessions implements ISessions {
     this.list.update((draft) => { draft.current = undefined })
   }
 
+  /**
+   * Replace the sidebar-search result page (the call is still recorded).
+   * @param impl - hits for a query, as the Host would rank them.
+   */
+  stubSearch(impl: (query: string, signal: AbortSignal) => { items: SessionSearchResultItem[]; hasMore: boolean }): void {
+    this.searchStub = impl
+  }
+
+  /**
+   * Content search over the fixture corpus (recorded). The default answers an
+   * empty page: content ranking is Host behavior, so a scenario that asserts
+   * hits declares them through {@link TestSessions.stubSearch}.
+   * @param query - non-blank literal phrase.
+   * @param signal - cancellation for a superseded search (recorded and forwarded).
+   * @returns the stubbed or empty result page.
+   */
+  search(query: string, signal: AbortSignal): ReturnType<ISessions['search']> {
+    this.calls.push({ method: 'search', args: [query, signal] })
+    return Promise.resolve({ ok: true, value: this.searchStub?.(query, signal) ?? { items: [], hasMore: false } })
+  }
+
   /**
    * Recorded fork stub: no child materializes (benches asserting the full
    * fork flow drive the production service; this face only proves the call).
diff --git a/packages/client/test-runtime/src/workspaces.ts b/packages/client/test-runtime/src/workspaces.ts
index 6c1a9d0aad..7e626a3660 100644
--- a/packages/client/test-runtime/src/workspaces.ts
+++ b/packages/client/test-runtime/src/workspaces.ts
@@ -186,4 +186,21 @@ export class TestWorkspaces implements IWorkspaces {
     if (stub !== undefined) return await (stub(workspaceId, sessionId, beforeSessionId) as Promise<WorkspaceView>)
     return { workspaceId, title: '', path: '', sessionIds: [sessionId] } as unknown as WorkspaceView
   }
+
+  /**
+   * Archive a session (recorded). The default mirrors the production face's
+   * observable effect: the id joins the list state's archive set.
+   * @param sessionId - session to archive.
+   */
+  async archiveSession(sessionId: SessionId): Promise<void> {
+    this.calls.push({ method: 'archiveSession', args: [sessionId] })
+    const stub = this.stubs.get('archiveSession')
+    if (stub !== undefined) {
+      await (stub(sessionId) as Promise<void>)
+      return
+    }
+    await this.update((draft) => {
+      draft.archivedSessionIds = [...draft.archivedSessionIds, sessionId]
+    })
+  }
 }
diff --git a/packages/client/test-runtime/tests/runtime.spec.tsx b/packages/client/test-runtime/tests/runtime.spec.tsx
index 62bab2845a..3675671f26 100644
--- a/packages/client/test-runtime/tests/runtime.spec.tsx
+++ b/packages/client/test-runtime/tests/runtime.spec.tsx
@@ -221,6 +221,28 @@ describe('sessions', () => {
     ])
     await runtime.dispose()
   })
+
+  it('answers search with an empty page until a scenario declares hits, recording every call', async () => {
+    const runtime = await runtimeWithFrame()
+    await runtime.sessions.add({ id: 's1' })
+    const signal = new AbortController().signal
+    expect(runtime.sessions.searchResultLimit).toBeGreaterThan(0)
+    await expect(runtime.sessions.search('marker', signal))
+      .resolves.toEqual({ ok: true, value: { items: [], hasMore: false } })
+    runtime.sessions.stubSearch(query => ({
+      items: [{ sessionId: 's1' as SessionId, snippet: `hit: ${query}` }],
+      hasMore: true,
+    }))
+    await expect(runtime.sessions.search('marker', signal)).resolves.toEqual({
+      ok: true,
+      value: { items: [{ sessionId: 's1', snippet: 'hit: marker' }], hasMore: true },
+    })
+    expect(runtime.sessions.calls).toEqual([
+      { method: 'search', args: ['marker', signal] },
+      { method: 'search', args: ['marker', signal] },
+    ])
+    await runtime.dispose()
+  })
 })
 
 describe('stores', () => {
@@ -529,8 +551,12 @@ describe('workspaces action face', () => {
     await ws.openPath('/proj/file.ts')
     const moved = await ws.insertSessionBefore('w1' as WorkspaceId, 's1' as SessionId, 's2' as SessionId)
     expect(moved.sessionIds).toEqual(['s1'])
+    // Default archive mirrors the production effect: the id joins the list
+    // state's archive set (features render against the same snapshot).
+    await ws.archiveSession('s1' as SessionId)
+    expect(ws.list.getSnapshot().archivedSessionIds).toEqual(['s1'])
     expect(ws.calls.map(c => c.method)).toEqual(
-      ['create', 'create', 'pickDirectory', 'rename', 'delete', 'openPath', 'insertSessionBefore'])
+      ['create', 'create', 'pickDirectory', 'rename', 'delete', 'openPath', 'insertSessionBefore', 'archiveSession'])
 
     ws.stub('create', () => Promise.resolve({ workspaceId: 'ws-x', title: 'X', path: '/x', sessionIds: [] } as never))
     ws.stub('pickDirectory', () => Promise.resolve('/picked'))
@@ -538,12 +564,16 @@ describe('workspaces action face', () => {
     ws.stub('delete', () => Promise.resolve())
     ws.stub('openPath', () => Promise.resolve())
     ws.stub('insertSessionBefore', () => Promise.resolve({ workspaceId: 'w1', title: '', path: '', sessionIds: [] } as never))
+    ws.stub('archiveSession', () => Promise.resolve())
     expect((await ws.create({ name: 'y' })).title).toBe('X')
     await expect(ws.pickDirectory()).resolves.toBe('/picked')
     expect((await ws.rename('w1' as WorkspaceId, 'z')).title).toBe('S')
     await ws.delete('w1' as WorkspaceId)
     await ws.openPath('/other')
     expect((await ws.insertSessionBefore('w1' as WorkspaceId, 's1' as SessionId)).sessionIds).toEqual([])
+    // The stub replaces the default set mutation: the set stays as-is.
+    await ws.archiveSession('s2' as SessionId)
+    expect(ws.list.getSnapshot().archivedSessionIds).toEqual(['s1'])
     await runtime.dispose()
   })
 })
diff --git a/packages/client/test-runtime/tsconfig.json b/packages/client/test-runtime/tsconfig.json
index 3e8a8561f8..6a758c66f9 100644
--- a/packages/client/test-runtime/tsconfig.json
+++ b/packages/client/test-runtime/tsconfig.json
@@ -22,6 +22,9 @@
     },
     {
       "path": "../../support/invariants"
+    },
+    {
+      "path": "../../host/apiproxy"
     }
   ]
 }
diff --git a/packages/client/ui-command/src/client/PopupSelectView.tsx b/packages/client/ui-command/src/client/PopupSelectView.tsx
index 7fe5edcb86..456cdd4200 100644
--- a/packages/client/ui-command/src/client/PopupSelectView.tsx
+++ b/packages/client/ui-command/src/client/PopupSelectView.tsx
@@ -12,7 +12,7 @@
 import { useEffect, useRef } from 'react'
 import { useSyncExternalStore } from 'react'
 import clsx from 'clsx'
-import { IconCheckOutline16, useAnchoredMaxHeight } from '@deepseek-ai/dsh-client-ui-primitives'
+import { IconCheckOutline16, RiskConfirmation, useAnchoredMaxHeight } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { PropsLocale } from '@deepseek-ai/dsh-client-ui-slots'
 import { filterOptions } from './popup.ts'
 import type { PopupSelectController } from './popup.ts'
@@ -60,23 +60,24 @@ export function PopupSelectView({ popup, t }: PopupSelectViewProps) {
   // closes the shell before its own handlers run; that click's target then
   // takes focus naturally, so no focusComposer here.
   useEffect(() => {
-    if (!state.open) return
+    if (!state.open || state.confirming !== null) return
     const onPointerDown = (ev: PointerEvent): void => {
       if (cardRef.current !== null && ev.target instanceof Node && cardRef.current.contains(ev.target)) return
       popup.dismiss()
     }
     document.addEventListener('pointerdown', onPointerDown, true)
     return () => { document.removeEventListener('pointerdown', onPointerDown, true) }
-  }, [state.open, popup])
+  }, [state.open, state.confirming, popup])
 
   // Focus the search input after it mounts (separate effect so the ref is populated).
   useEffect(() => {
-    if (state.open) searchRef.current?.focus()
-  }, [state.open])
+    if (state.open && state.confirming === null) searchRef.current?.focus()
+  }, [state.open, state.confirming])
 
   if (!state.open) return null
 
   const rows = filterOptions(state.options, state.search)
+  const confirmation = state.confirming?.confirmation
 
   const onKeyDown = (ev: React.KeyboardEvent<HTMLDivElement>): void => {
     // ArrowLeft/ArrowRight fall through on purpose: the search input keeps
@@ -103,55 +104,73 @@ export function PopupSelectView({ popup, t }: PopupSelectViewProps) {
   }
 
   return (
-    <div
-      ref={cardRef}
-      className={css.card}
-      style={{ maxHeight }}
-      aria-label={t('overlay.aria', { command: String(state.command) })}
-      onKeyDown={onKeyDown}
-    >
-      <input
-        ref={searchRef}
-        className={css.search}
-        type="text"
-        placeholder={t('search.placeholder')}
-        aria-label={t('search.aria')}
-        value={state.search}
-        readOnly={state.submitting}
-        onChange={(ev) => { popup.setSearch(ev.currentTarget.value) }}
-      />
-      {state.error !== null && (
-        <div className={css.error} role="alert">
-          <span className={css.errorText}>{state.error}</span>
-          {state.status === 'failed' && (
-            <button type="button" className={css.retry} onClick={() => { popup.retry() }}>{t('retry')}</button>
+    <>
+      {state.confirming === null && (
+        <div
+          ref={cardRef}
+          className={css.card}
+          style={{ maxHeight }}
+          aria-label={t('overlay.aria', { command: String(state.command) })}
+          onKeyDown={onKeyDown}
+        >
+          <input
+            ref={searchRef}
+            className={css.search}
+            type="text"
+            placeholder={t('search.placeholder')}
+            aria-label={t('search.aria')}
+            value={state.search}
+            readOnly={state.submitting}
+            onChange={(ev) => { popup.setSearch(ev.currentTarget.value) }}
+          />
+          {state.error !== null && (
+            <div className={css.error} role="alert">
+              <span className={css.errorText}>{state.error}</span>
+              {state.status === 'failed' && (
+                <button type="button" className={css.retry} onClick={() => { popup.retry() }}>{t('retry')}</button>
+              )}
+            </div>
+          )}
+          {state.status === 'pending' && <div className={css.status}>{t('status.loading')}</div>}
+          {state.submitting && <div className={css.status}>{t('status.applying')}</div>}
+          {state.status === 'ready' && rows.length === 0 && <div className={css.status}>{t('status.empty')}</div>}
+          {state.status === 'ready' && (
+            <div role="listbox" aria-label={t('listbox.aria', { command: String(state.command) })} className={css.viewport}>
+              {rows.map((option, index) => (
+                <div
+                  key={option.id}
+                  role="option"
+                  aria-selected={index === state.active}
+                  className={clsx(css.row, index === state.active && css.rowActive)}
+                  // mousedown would race the document capture listener; the shell
+                  // owns focus anyway, so a plain click (inside the card → no
+                  // dismiss) works.
+                  onClick={() => { void popup.select(index) }}
+                  onMouseEnter={() => { popup.highlight(index) }}
+                >
+                  <span className={css.label}>{option.label}</span>
+                  {option.detail !== undefined && <span className={css.detail}>{option.detail}</span>}
+                  {option.active === true && <span className={css.check}><IconCheckOutline16 /></span>}
+                </div>
+              ))}
+            </div>
           )}
         </div>
       )}
-      {state.status === 'pending' && <div className={css.status}>{t('status.loading')}</div>}
-      {state.submitting && <div className={css.status}>{t('status.applying')}</div>}
-      {state.status === 'ready' && rows.length === 0 && <div className={css.status}>{t('status.empty')}</div>}
-      {state.status === 'ready' && (
-        <div role="listbox" aria-label={t('listbox.aria', { command: String(state.command) })} className={css.viewport}>
-          {rows.map((option, index) => (
-            <div
-              key={option.id}
-              role="option"
-              aria-selected={index === state.active}
-              className={clsx(css.row, index === state.active && css.rowActive)}
-              // mousedown would race the document capture listener; the shell
-              // owns focus anyway, so a plain click (inside the card → no
-              // dismiss) works.
-              onClick={() => { void popup.select(index) }}
-              onMouseEnter={() => { popup.highlight(index) }}
-            >
-              <span className={css.label}>{option.label}</span>
-              {option.detail !== undefined && <span className={css.detail}>{option.detail}</span>}
-              {option.active === true && <span className={css.check}><IconCheckOutline16 /></span>}
-            </div>
-          ))}
-        </div>
+      {confirmation !== undefined && (
+        <RiskConfirmation
+          open
+          title={confirmation.title}
+          description={confirmation.description}
+          acknowledgeLabel={confirmation.acknowledgeLabel}
+          cancelLabel={confirmation.cancelLabel}
+          confirmLabel={confirmation.confirmLabel}
+          acknowledged={state.acknowledged}
+          onAcknowledgedChange={(value) => { popup.acknowledge(value) }}
+          onCancel={() => { popup.cancelConfirmation() }}
+          onConfirm={() => { void popup.confirm() }}
+        />
       )}
-    </div>
+    </>
   )
 }
diff --git a/packages/client/ui-command/src/client/contract.ts b/packages/client/ui-command/src/client/contract.ts
index 61ab4de2e2..8498b5def8 100644
--- a/packages/client/ui-command/src/client/contract.ts
+++ b/packages/client/ui-command/src/client/contract.ts
@@ -6,12 +6,23 @@
 import type { ClientContext } from '@deepseek-ai/dsh-client-runtime/client'
 import type { ClientSessionContext } from '@deepseek-ai/dsh-client-ui-slash/client'
 
+/** Copy for an option that must be acknowledged before onSelect can run. */
+export interface SelectConfirmation {
+  readonly title: string
+  readonly description: string
+  readonly acknowledgeLabel: string
+  readonly cancelLabel: string
+  readonly confirmLabel: string
+}
+
 /** One option row of a popupSelect shell. */
 export interface SelectOption {
   readonly id: string
   readonly label: string
   readonly detail?: string
   readonly active?: boolean
+  /** Optional in-page risk gate owned by the shared popup shell. */
+  readonly confirmation?: SelectConfirmation
 }
 
 /**
diff --git a/packages/client/ui-command/src/client/index.ts b/packages/client/ui-command/src/client/index.ts
index e010c95227..76f3d8c551 100644
--- a/packages/client/ui-command/src/client/index.ts
+++ b/packages/client/ui-command/src/client/index.ts
@@ -24,7 +24,7 @@ export { filterOptions, PopupSelectController } from './popup.ts'
 export type { PopupSelectDeps, PopupSpec, PopupState, TokenSegment } from './popup.ts'
 export type { PopupSelectInjected, PopupSelectViewProps } from './PopupSelectView.tsx'
 export type {
-  CommandContribution, CommandDecoration, CommandServiceContract, CommandUiSpec, SelectOption,
+  CommandContribution, CommandDecoration, CommandServiceContract, CommandUiSpec, SelectConfirmation, SelectOption,
 } from './contract.ts'
 export type { CommandKey } from './locales.ts'
 
diff --git a/packages/client/ui-command/src/client/popup.ts b/packages/client/ui-command/src/client/popup.ts
index c2d30f3213..5e20911820 100644
--- a/packages/client/ui-command/src/client/popup.ts
+++ b/packages/client/ui-command/src/client/popup.ts
@@ -67,12 +67,17 @@ export interface PopupState {
   readonly active: number
   /** A select() settlement is in flight: further select/search/highlight no-op until it settles. */
   readonly submitting: boolean
+  /** Option waiting for explicit risk acknowledgement; null during normal selection. */
+  readonly confirming: SelectOption | null
+  /** Caller-controlled checkbox state for the pending confirmation. */
+  readonly acknowledged: boolean
   /** Surfaced settlement failure (options load or onSelect); null when none. */
   readonly error: string | null
 }
 
 const CLOSED: PopupState = {
-  open: false, command: null, status: 'pending', options: [], search: '', active: 0, submitting: false, error: null,
+  open: false, command: null, status: 'pending', options: [], search: '', active: 0,
+  submitting: false, confirming: null, acknowledged: false, error: null,
 }
 
 /**
@@ -166,7 +171,7 @@ export class PopupSelectController<TCtx = unknown> {
    */
   setSearch(search: string): void {
     const s = this.state.getSnapshot()
-    if (!s.open || s.submitting || search === s.search) return
+    if (!s.open || s.submitting || s.confirming !== null || search === s.search) return
     this.state.set({ ...s, search, active: 0 })
   }
 
@@ -177,7 +182,7 @@ export class PopupSelectController<TCtx = unknown> {
    */
   move(dir: 1 | -1): void {
     const s = this.state.getSnapshot()
-    if (!s.open || s.status !== 'ready' || s.submitting) return
+    if (!s.open || s.status !== 'ready' || s.submitting || s.confirming !== null) return
     const rows = filterOptions(s.options, s.search)
     if (rows.length === 0) return
     const active = (s.active + dir + rows.length) % rows.length
@@ -191,7 +196,7 @@ export class PopupSelectController<TCtx = unknown> {
    */
   highlight(index: number): void {
     const s = this.state.getSnapshot()
-    if (!s.open || s.status !== 'ready' || s.submitting) return
+    if (!s.open || s.status !== 'ready' || s.submitting || s.confirming !== null) return
     if (index < 0 || index >= filterOptions(s.options, s.search).length || index === s.active) return
     this.state.set({ ...s, active: index })
   }
@@ -209,10 +214,46 @@ export class PopupSelectController<TCtx = unknown> {
   async select(index: number): Promise<void> {
     const binding = this.binding
     const s = this.state.getSnapshot()
-    if (binding === null || !s.open || s.status !== 'ready' || s.submitting) return
+    if (binding === null || !s.open || s.status !== 'ready' || s.submitting || s.confirming !== null) return
     const option = filterOptions(s.options, s.search)[index]
     if (option === undefined) return
-    this.state.set({ ...s, submitting: true, error: null })
+    if (option.confirmation !== undefined) {
+      this.state.set({ ...s, confirming: option, acknowledged: false, error: null })
+      return
+    }
+    await this.settle(binding, option)
+  }
+
+  /**
+   * Update the explicit checkbox for the currently pending risk gate.
+   * @param acknowledged - whether the user has acknowledged the displayed risk.
+   */
+  acknowledge(acknowledged: boolean): void {
+    const s = this.state.getSnapshot()
+    if (!s.open || s.submitting || s.confirming === null || s.acknowledged === acknowledged) return
+    this.state.set({ ...s, acknowledged })
+  }
+
+  /** Cancel only the risk gate and return to the still-open option picker. */
+  cancelConfirmation(): void {
+    const s = this.state.getSnapshot()
+    if (!s.open || s.submitting || s.confirming === null) return
+    this.state.set({ ...s, confirming: null, acknowledged: false })
+  }
+
+  /** Settle the gated option only after the checkbox is acknowledged. */
+  async confirm(): Promise<void> {
+    const binding = this.binding
+    const s = this.state.getSnapshot()
+    if (binding === null || !s.open || s.submitting || s.confirming === null || !s.acknowledged) return
+    await this.settle(binding, s.confirming)
+  }
+
+  /** Run the business settlement for an already admitted option. */
+  private async settle(binding: OpenBinding<TCtx>, option: SelectOption): Promise<void> {
+    const s = this.state.getSnapshot()
+    if (this.binding !== binding || !s.open || s.submitting) return
+    this.state.set({ ...s, submitting: true, confirming: null, acknowledged: false, error: null })
     try {
       await binding.spec.onSelect(option, binding.context)
     } catch (error) {
diff --git a/packages/client/ui-command/tests/popup-view.spec.tsx b/packages/client/ui-command/tests/popup-view.spec.tsx
index d8fadaae7a..0bbe01b4a9 100644
--- a/packages/client/ui-command/tests/popup-view.spec.tsx
+++ b/packages/client/ui-command/tests/popup-view.spec.tsx
@@ -38,6 +38,17 @@ const OPTIONS: SelectOption[] = [
   { id: 'light', label: 'Light', active: true },
   { id: 'sepia', label: 'Sepia', detail: 'warm' },
 ]
+const GATED: SelectOption = {
+  id: 'full',
+  label: 'Full access',
+  confirmation: {
+    title: 'Enable Full access?',
+    description: 'Sensitive operations.',
+    acknowledgeLabel: 'I understand the risks',
+    cancelLabel: 'Cancel',
+    confirmLabel: 'Enable Full access',
+  },
+}
 
 const SEGMENT: TokenSegment = { via: 'enter', token: '/theme' }
 
@@ -149,6 +160,37 @@ describe('PopupSelectView', () => {
     expect(view.container.childElementCount).toBe(0)
   })
 
+  it('renders a gated option as an in-page modal and requires the checkbox before onSelect', async () => {
+    const onSelect = vi.fn()
+    const { popup, consume } = await mountOpen({
+      options: () => Promise.resolve([GATED]),
+      onSelect,
+    })
+    await act(async () => { fireEvent.click(screen.getByRole('option', { name: 'Full access' })) })
+    expect(screen.queryByLabelText('/theme 选项')).toBeNull()
+    expect(screen.getByRole('dialog', { name: 'Enable Full access?' })).toBeTruthy()
+    const enable = screen.getByRole('button', { name: 'Enable Full access' }) as HTMLButtonElement
+    expect(enable.disabled).toBe(true)
+    expect(onSelect).not.toHaveBeenCalled()
+
+    fireEvent.click(screen.getByRole('checkbox', { name: 'I understand the risks' }))
+    expect(enable.disabled).toBe(false)
+    await act(async () => { fireEvent.click(enable) })
+    expect(onSelect).toHaveBeenCalledExactlyOnceWith(GATED, 'ctx-A')
+    expect(consume).toHaveBeenCalledExactlyOnceWith(SEGMENT)
+    expect(popup.state.getSnapshot().open).toBe(false)
+  })
+
+  it('canceling a gated option returns to the picker with acknowledgement reset', async () => {
+    await mountOpen({ options: () => Promise.resolve([GATED]) })
+    await act(async () => { fireEvent.click(screen.getByRole('option', { name: 'Full access' })) })
+    fireEvent.click(screen.getByRole('checkbox'))
+    fireEvent.click(screen.getByRole('button', { name: 'Cancel' }))
+    expect(screen.getByLabelText('/theme 选项')).toBeTruthy()
+    await act(async () => { fireEvent.click(screen.getByRole('option', { name: 'Full access' })) })
+    expect(screen.getByRole<HTMLInputElement>('checkbox').checked).toBe(false)
+  })
+
   it('submitting shows pending, locks the search input, and further Enter/click no-op', async () => {
     let release!: () => void
     const onSelect = vi.fn(() => new Promise<void>((resolve) => { release = resolve }))
diff --git a/packages/client/ui-command/tests/popup.spec.ts b/packages/client/ui-command/tests/popup.spec.ts
index 87a1070a40..68e8084b80 100644
--- a/packages/client/ui-command/tests/popup.spec.ts
+++ b/packages/client/ui-command/tests/popup.spec.ts
@@ -19,6 +19,17 @@ const OPTIONS: SelectOption[] = [
   { id: 'light', label: 'Light', active: true },
   { id: 'sepia', label: 'Sepia', detail: 'warm' },
 ]
+const GATED: SelectOption = {
+  id: 'full',
+  label: 'Full access',
+  confirmation: {
+    title: 'Enable Full access?',
+    description: 'Sensitive operations.',
+    acknowledgeLabel: 'I understand',
+    cancelLabel: 'Cancel',
+    confirmLabel: 'Enable Full access',
+  },
+}
 
 const SEGMENT: TokenSegment = { via: 'enter', token: '/theme' }
 
@@ -200,6 +211,38 @@ describe('search / move / highlight over the filtered list', () => {
 })
 
 describe('select', () => {
+  it('gates a confirmed option until acknowledgement, then settles through the original binding', async () => {
+    const onSelect = vi.fn()
+    const deps = makeDeps()
+    const { popup } = await readyPopup({ options: () => Promise.resolve([GATED]), onSelect }, deps)
+    await popup.select(0)
+    expect(popup.state.getSnapshot()).toMatchObject({
+      open: true, confirming: GATED, acknowledged: false, submitting: false,
+    })
+    expect(onSelect).not.toHaveBeenCalled()
+    await popup.confirm()
+    expect(onSelect).not.toHaveBeenCalled()
+    popup.acknowledge(true)
+    await popup.confirm()
+    expect(onSelect).toHaveBeenCalledExactlyOnceWith(GATED, CTX_A)
+    expect(deps.consume).toHaveBeenCalledExactlyOnceWith(SEGMENT)
+    expect(popup.state.getSnapshot().open).toBe(false)
+  })
+
+  it('cancels a confirmation back to the picker without selecting or consuming', async () => {
+    const onSelect = vi.fn()
+    const deps = makeDeps()
+    const { popup } = await readyPopup({ options: () => Promise.resolve([GATED]), onSelect }, deps)
+    await popup.select(0)
+    popup.acknowledge(true)
+    popup.cancelConfirmation()
+    expect(popup.state.getSnapshot()).toMatchObject({
+      open: true, confirming: null, acknowledged: false, submitting: false,
+    })
+    expect(onSelect).not.toHaveBeenCalled()
+    expect(deps.consume).not.toHaveBeenCalled()
+  })
+
   it('runs onSelect with the filtered option and the open-time context, consumes, closes, refocuses', async () => {
     const seen: Array<{ option: SelectOption; context: Ctx }> = []
     const deps = makeDeps()
diff --git a/packages/client/ui-conversation/README.i18n.yaml b/packages/client/ui-conversation/README.i18n.yaml
index cc9f5a575b..505d693bb6 100644
--- a/packages/client/ui-conversation/README.i18n.yaml
+++ b/packages/client/ui-conversation/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/ui-conversation/README.md
-README.md: b4b1e5653705c76bac3e0227e6df77143a11cbbe
-README.zh.md: 74e0f3dc0ebaf74e2e065c6b88f3a30fce94b391
+README.md: b61a70fb079eb6a1bc2a67b682a337ffdf708b79
+README.zh.md: 0bb1740b166cfacc2bc79fe2f49793796f66c365
diff --git a/packages/client/ui-conversation/README.md b/packages/client/ui-conversation/README.md
index b4b1e56537..b61a70fb07 100644
--- a/packages/client/ui-conversation/README.md
+++ b/packages/client/ui-conversation/README.md
@@ -2,19 +2,31 @@
 
 English | [中文](README.zh.md)
 
-Conversation domain: skeleton (header/tabs/composer/empty state), chat view (grouped step-summary flow, streaming tail isolation, per-tool row slot with a bash sample registrant and the todo row), composer dock (session stats sticky with the input), input dock (queue rows plus the todo plan strip), minimal details panel, scope-addressed ConversationService. Contract: api-contracts v3 §7 plus the slot terminal design (store seat / props shares).
+Conversation domain: skeleton (header/tabs/composer/empty state), chat view (grouped step-summary flow, streaming tail isolation, an animated left-to-right gradient `Deep diving...` turn status, per-tool row slot with a bash sample registrant and the todo row), composer dock (session stats sticky with the input), input dock (hairline-separated queue rows plus the todo plan strip), minimal details panel, scope-addressed ConversationService. Contract: api-contracts v3 §7 plus the slot terminal design (store seat / props shares).
 
-The resident conversation shell survives no-session and session transitions. Without a current session it renders a disabled input bar; its root-scoped `conversation.hero.workspace` slot hosts the Workspace picker. Selecting a Workspace connects or reuses its Host-owned blank session and opens that session without replacing the shell. Blank sessions render the same composer body as active sessions, while the InputHub carries drafts across Workspace switches and mirrors them into the session store. In the active phase the session header occupies the top as ordinary column chrome; beneath it a scrollport (`data-conversation-scroll`) holds the flowing views and the sticky composer stack (stats dock + input docks + bar). Wheel over the textarea chains: the capped draft scrolls locally until its edge, then forwards to that host.
+Compaction renders as one collapsed row at the checkpoint's flow position without replacing the transcript above it. The disclosure renders the checkpoint's `compact/summary` provenance; when that event is outside the loaded window, the row remains visible but non-expandable. The framed checkpoint payload is model-facing and never renders.
+
+The resident conversation shell survives no-session and session transitions. Without a current session it renders a disabled input bar; its root-scoped `conversation.hero.workspace` slot hosts the Workspace picker. Selecting a Workspace connects or reuses its Host-owned blank session and opens that session without replacing the shell. Blank sessions render the same composer body as active sessions, while the InputHub carries drafts across Workspace switches and mirrors them into the session store. In the active phase the session header shows only the current session title and view tabs as ordinary column chrome; fork lineage remains session data and is not projected into the header. Beneath it a scrollport (`data-conversation-scroll`) holds the flowing views and the sticky composer stack (stats dock + input docks + bar). Wheel over the textarea chains: the capped draft scrolls locally until its edge, then forwards to that host.
 
 The view ring IS a slot: the conversation registration declares the `'conversation.view'` list slot (session scope) in its `children` table, ConversationRoot renders the active entry through its renderSlot share (`only: <active id>`), and view tabs project from the ring ledger's registration options (`id`/`order`/`label`). The chat view is this package's own ring entry; other plugins (ui-trajectory) contribute tabs through plain `ctx.slots.register` — the former package-local view registry (`registerView`/`ViewEntry`/`ConversationViewMap` and the chrome attachment table) is retired, with per-view chrome dissolved into the view components themselves.
 
-Approvals take over the composer through the chain this package declares: `ApprovalPanel` registers as a selector-routed `'conversation.composer'` entry (the ui-question pattern) and occupies the composer in place of the InputBar while an approval wait is pending (amber strip, justification headline, paired command line from the running call's args, one-shot refuse/allow). The `PendingApproval` domain face in `contract/slots.ts` owns the wire encoding — the `ApprovalResponsePayload` value with the audit correlation — over the runtime's `PendingWait` carrier; the broadcast `approval/resolved` frame settles the wait and restores the composer. The sidebar mirrors the blocked state through the manager-tracked `waitingApproval` list bit (lit for uninstantiated sessions too), which outranks the running ring until the question resolves. Pending waits leave the message flow entirely: questions (ui-question) and approvals (ApprovalPanel) both answer through the composer takeover, so no display-only placeholder card remains. The composer's bottom-row Access seat mounts `PermissionSelect`, fed by the host-computed `permissions` projection through the standard-kit `useProjection` (key absence hides the chip); the chip opens a Menu-primitive dropdown whose kebab-case preset names render as title-case labels (the `/permission` popup's display transform twin), and a pick submits the `/permission <preset>` command line through the bar's injected `command` callback.
+Approvals take over the composer through the chain this package declares: `ApprovalPanel` registers as a selector-routed `'conversation.composer'` entry (the ui-question pattern) and occupies the composer in place of the InputBar while an approval wait is pending (amber strip, justification headline, paired command line from the running call's args, one-shot refuse/allow). The `PendingApproval` domain face in `contract/slots.ts` owns the wire encoding — the `ApprovalResponsePayload` value with the audit correlation — over the runtime's `PendingWait` carrier; the broadcast `approval/resolved` frame settles the wait and restores the composer. The sidebar mirrors the blocked state through the manager-tracked `waitingApproval` list bit (lit for uninstantiated sessions too), which outranks the running ring until the question resolves. Pending waits leave the message flow entirely: questions (ui-question) and approvals (ApprovalPanel) both answer through the composer takeover, so no display-only placeholder card remains. The composer's bottom-row Access seat mounts `PermissionSelect`, fed by the host-computed `permissions` projection through the standard-kit `useProjection` (key absence hides the chip); the chip opens a Menu-primitive dropdown whose kebab-case preset names render as title-case labels. Safe preset picks submit `/permission <preset>` immediately through the bar's injected `command` callback, while `danger-full-access` is presented as `Full access` and first opens an in-page Modal risk confirmation. The enabling action stays disabled until the user checks the acknowledgement; cancel, Escape, close, and mask click submit nothing.
 
-Logged non-user messages render as a default-collapsed `上下文注入` disclosure. It shares the Tool calls header geometry and interaction with `ToolRow` through the package-internal `DisclosureRow`, while retaining context semantics: the expanded 141px scrollport shows bounded inline JSON for both `content` and `source`, and no tool state, summary, or keyed toolview dispatch is synthesized ([decision](../../../.agents/notes/implemented/feature/2026-07-30-web-context-injection-disclosure.md)).
+Logged non-user messages render as a default-collapsed `上下文注入` disclosure. It shares the Tool calls header geometry and interaction with `ToolRow` through the package-internal `DisclosureRow`, while retaining context semantics: the expanded body follows its content height up to a 141px scrolling cap, shows inline JSON for both `content` and `source`, and synthesizes no tool state, summary, or keyed toolview dispatch ([decision](../../../.agents/notes/implemented/feature/2026-07-30-web-context-injection-disclosure.md)).
 
 Generic tool rows classify the built-in bash, read, search, write, edit, and run_code names into dedicated visual variants. The filesystem variants render the edit icon and a path summary; that path is a hover-underline link that opens the file with the host OS default application (`host.openPath`, relative paths resolve against the session cwd). Tool rows are not whole-row click targets and do not open the details panel. The code variant summarizes with the model-authored `description` and expands to the program itself; its logged sub-dispatches render as always-visible nested rows through the SAME keyed toolview hole (custom registrations and the GenericToolCard fallback apply to sub-rows unchanged). Cordis lifecycle tools reuse those generic variants while presenting `Inspect`, `Mount temporary Plugin`, and `Unmount temporary Plugin` with a shared Cordis accent; mount keeps the code variant's expandable source rendering.
 
-A tool call declaring the `terminal` render intent renders its command output inline, at both conversation render sites, through ui-primitives' `TerminalBlock`. `contract/terminal-card-model.ts` is the single derivation from the snapshot's `callView`/`resultView` pair, so the sites cannot disagree about a command, its cwd, or its exit status; it yields null — the generic path — for any other card tag, including one this client version does not know. Both sites therefore also show the card's run-state dot, which is the same `StateDot` semantic a tool row's leading icon carries, so a row and its own card always agree about one command's state. A multi-line command gets one prompt row per line, with the dot marking the call once on the first row — the exit status is the whole call's, so a dot per line would claim a per-line outcome bash does not report. The keyed `BashRow` carries the card resident below its summary row; since tool rows are no longer details-panel click targets, the card's copy and expand controls are the row's only interactions. The render-site fallback row keeps the card behind its existing expand control. Rows cap at `CHAT_TERMINAL_MAX_LINES` (8) against the panel's 16, which is what keeps a summary surface bounded — the panel stays the single-call reading surface. Inline output is licensed for this intent alone; a generic tool's content remains panel-only ([decision](../../../.agents/notes/implemented/feature/2026-07-28-web-terminal-card.md)).
+A tool call declaring the `terminal` render intent renders its command output inline, at both conversation render sites, through ui-primitives' `TerminalBlock`. `contract/terminal-card-model.ts` is the single derivation from the snapshot's `callView`/`resultView` pair, so the sites cannot disagree about a command, its cwd, or its exit status; it yields null — the generic path — for any other card tag, including one this client version does not know. Both sites therefore also show the card's run-state dot, which is the same `StateDot` semantic a tool row's leading icon carries, so a row and its own card always agree about one command's state. A multi-line command gets one prompt row per line, with the dot marking the call once on the first row — the exit status is the whole call's, so a dot per line would claim a per-line outcome bash does not report. The keyed `BashRow` carries the card resident below its summary row; since tool rows are no longer details-panel click targets, the card's copy and expand controls are the row's only interactions. The render-site fallback row keeps the card behind its existing expand control. Rows cap at `CHAT_TERMINAL_MAX_LINES` (8) against the panel's 16, which is what keeps a summary surface bounded — the panel stays the single-call reading surface. Inline output is licensed per render intent — the terminal and web cards, each with its own bound; a generic tool's content remains panel-only ([decision](../../../.agents/notes/implemented/feature/2026-07-28-web-terminal-card.md)).
+
+A tool call declaring the `web` render intent renders its web retrieval inline, at both conversation render sites, through ui-primitives' `WebBlock`. `contract/web-card-model.ts` is the single derivation from the snapshot's `resultView`, mirroring the terminal card, so the sites cannot disagree about what a web call shows; it yields null — the generic path — for a running call, a non-web result view, a generic result view, a `card` tag this client version does not know, or a web card whose `kind` this client version does not know (a newer host's value, which the wire cannot be trusted to be `search` or `fetch`). The keyed `WebRow` registers one component under both `web_search` and `web_fetch`, discriminating on the tool name only for its icon and title; it composes the shared `ToolRow`, feeding the card as ToolRow's `web` body, so the retrieval is the row's collapsed-by-default expanded card (the same unified expand every card row has). A web-declaring tool without a keyed row lands on the `GenericToolCard` fallback, which routes the card through ToolRow the same way, and the details panel renders it at the primitive's full source allowance and, below the card, the flattened model-visible result content — a fetch body is readable only there, since its card carries only the URL and status. Rows cap at `CHAT_WEB_MAX_SOURCES` (8) against the panel's 16, the same summary-versus-reading split the terminal card draws ([decision](../../../.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.md)).
+
+A `read` call declaring the `read` render intent renders the returned file window inline, at both conversation render sites, through ui-primitives' `ReadBlock` — the line-numbered, syntax-highlighted content the tool projects. `contract/read-card-model.ts` is the single derivation from the snapshot's `resultView`; the read card is result-side only (a call carries no file content until `execute` returns), so a running read shows its summary alone and it yields null — the generic path — for a non-read result view or a `card` tag this client version does not know. The keyed `ReadRow` composes the shared `ToolRow`, feeding the card as ToolRow's `read` body, so it is the row's collapsed-by-default expanded card; the summary stays a path link that opens the file through the host. The render-site fallback and the details panel are read-aware too. Rows cap at `CHAT_READ_MAX_LINES` (8) against the panel's 16 ([decision](../../../.agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.md)).
+
+A tool call declaring the `diff` render intent (the `write`/`edit` tools) renders its applied change inline through ui-primitives' `DiffBlock`, the same four-layer shape. `contract/diff-card-model.ts` is the single derivation from the `callView`/`resultView` pair; the settled result's hunks replace the call-time diff, and it yields null — the generic path — for any other card tag or a generic result view (write/edit's execution errors). The keyed `FileMutationRow` (registered under both `write` and `edit`) composes the shared `ToolRow`, feeding the diff as ToolRow's `diff` body, so it is the row's collapsed-by-default expanded card; the summary path link still opens the file through the host, and an errored mutation (no diff card) surfaces its error text through ToolRow's Output section with the first line in the collapsed summary. The render-site fallback and the details panel are diff-aware too. Rows cap at `CHAT_DIFF_MAX_LINES` (8) against the panel's 16 ([decision](../../../.agents/notes/implemented/feature/2026-07-30-web-diff-card.md)).
+
+The chat flow projects consecutive model-retry nodes across retry turns into one stable, muted status row updated to the latest attempt; every retry event remains in the runtime snapshot and session log. Its frontend countdown anchors the scheduled delay to client receipt, avoiding host/browser clock skew, rounds remaining time up to seconds, and has a one-second floor. The latest unresolved retry uses a left-to-right text shimmer. Subsequent turn facts distinguish an attempt that started from one cancelled during backoff, while the Host running bit only controls the live animation; the row then shows a static completed or cancelled label. Normal policy rows show the finite retry maximum; always policy rows show `∞`. Activating the row reveals the latest exact retry delay and failure message. The client runtime removes each failed step's streaming tail before its retry node arrives, while the status remains visible after a later attempt succeeds. An unretried terminal failure renders as a persistent inline status at its turn boundary, showing the display-safe durable message and optional error code without offering an action the Host cannot fulfill; AUTH copy never echoes provider-supplied credential fragments.
+
+A `grep`/`glob` call declaring the `search` render intent renders its result inline, at the same render sites, through ui-primitives' `SearchBlock` — grep's matches grouped by file (each a collapsible header of `lineNumber: line` rows), glob's flat path list. `contract/search-card-model.ts` is the single derivation from the snapshot's `resultView`; unlike the terminal card it reads no `callView`, since a search has no matches or paths before `execute`, so a running search shows its summary alone. It yields null — the generic path — for any non-search result view, a `card` or `kind` this client version does not compile, and (because those ride the untrusted wire frame) a known kind whose `files`/`paths` is malformed. The keyed `SearchRow`, registered under both `grep` and `glob` since the derived `kind` decides the shape, composes the shared `ToolRow`, feeding the card as ToolRow's `search` body, so it is the row's collapsed-by-default expanded card; the render-site fallback routes it the same way. Both cap at `CHAT_SEARCH_MAX_LINES` (8) against the panel's 16. A capped search drops rows from the card, but the locator to the rest — grep/glob's `Full … stored at …` footer — lives only in the result text, so the derivation surfaces that as a recovery footer below the card when (and only when) the result was truncated; a settled call with no card at all (an errored search, a nested `run_code` sub-dispatch, a legacy generic result) surfaces its flattened result text through ToolRow's Output section so nothing is lost behind a bare summary ([decision](../../../.agents/notes/implemented/feature/2026-07-30-web-search-card.md)).
 
 Tool rows are slots too — the standalone tool ring (`ToolViewRegistry`/`ctx.toolviews`/outlet) is retired. The chat entry declares the keyed `'conversation.chat.toolview'` hole (session scope; the key space is runtime-open); its render site dispatches per row via `entryKey: toolName` with `GenericToolCard` as the call-site `fallback`. The owner payload is the uniform `ToolRowOwnerProps` (`callId`/`toolName`/`block`/`openFile`) and `ToolRowProps` pre-composes it with the session standard kit. A registrant is a plain plugin: `ctx.slots.register({ name: 'conversation.chat.toolview', key: '<tool>', inject? }, Row)` with `inject: ['slots', 'conversation']` as the load-order seam (apply mounts ConversationService after the chat registration, so the service being present guarantees the slot is declared); session differentiation happens inside the component (`useSessions` reading `parentId` — the bash sample is the third-party-posture exemplar). Trajectory/waterfall toolview slots share this shape and land with their own render sites (RendersCheck rejects a declaration nobody renders).
 
@@ -24,7 +36,9 @@ The todo surfaces are two registrations over that shape, both plain registrant p
 
 Per-session UI state for selection and the active view lives in the declared chat store (`stores.ts` `createChatStore`); the InputHub owns the composer state machine and mirrors its draft into that store for persistence. Apply passes one store handle to the strict session subtree, chat view, and details registrations, so each session shares one instance and the framework owns its lifecycle. Components are pure: the framework standard kit supplies `useSession`/`sessionId`, global `useSessions`/`useWorkspaces`, and the input machine's `useInput`/`inputActions`; store faces and inject factories supply the remaining state and callbacks.
 
-The composer bar declares session-scoped single seats for `'conversation.input.plan'` (right of the local access-mode control) and `'conversation.input.model'` (immediately before the pending indicator and send/stop button), plus list slots for overlay, dock, left, and right input extensions. Feature packages own each control and its state; ui-conversation supplies placement, the `locked` owner prop, and the standard slot shares. While the `plan` projection's effective target is plan mode, InputBar swaps its textarea placeholder to the plan-task wording, localized through the `conversation` locale namespace this package registers (the `placeholder.plan` / `hint.plan` keys) and shared verbatim with the claimed `/plan` command hint (a host-folded value read through the standard-kit `useProjection`; owner-supplied placeholders win). A pending composer takeover remains mounted when another conversation view is active so the blocked agent can still receive its answer; without a pending interaction, the active-session composer belongs to Chat. The composer-bar slot itself is `session-maybe`: with no current session the same bar renders inert (machine faces absent, `disabled` owner prop) instead of swapping in a parallel disabled tree, so the textarea DOM survives the workspace pick; the strict-session control seats simply stay empty until a session exists.
+The composer bar declares session-scoped single seats for `'conversation.input.plan'` (right of the local access-mode control) and `'conversation.input.model'` (immediately before the pending indicator and send/stop button), plus list slots for overlay, dock, left, and right input extensions. Feature packages own each control and its state; ui-conversation supplies placement, the `locked` owner prop, and the standard slot shares. The leading plus button is a Command launcher, not an attachment surface: it asks the session's `SlashController` to open only the `/` trigger's `command` source over the current textarea selection, while ui-slash's existing `MenuView` remains the sole floating menu and pick path. No file row, file input, upload protocol, or second menu component is introduced. While the `plan` projection's effective target is plan mode, InputBar swaps its textarea placeholder to the plan-task wording, localized through the `conversation` locale namespace this package registers (the `placeholder.plan` / `hint.plan` keys) and shared verbatim with the claimed `/plan` command hint (a host-folded value read through the standard-kit `useProjection`; owner-supplied placeholders win). A pending composer takeover remains mounted when another conversation view is active so the blocked agent can still receive its answer; without a pending interaction, the active-session composer belongs to Chat. The composer-bar slot itself is `session-maybe`: with no current session the same bar renders inert (machine faces absent, `disabled` owner prop) instead of swapping in a parallel disabled tree, so the textarea DOM survives the workspace pick; the strict-session control seats simply stay empty until a session exists.
+
+The chat stats line takes its token accounting from two generic token-meter projections read through the standard-kit `useProjection`: `tokenUsage` for full-log billing (billed input is uncached input plus cache reads and writes; cache hit divides cache reads by that total) and `contextPressure` for context occupancy. Visible nodes supply only the turn and step counts plus the LLM and tool wall times, which are window-scoped facts about what is on screen rather than accounting; durable token and context groups remain visible when compaction leaves no assistant node in the loaded window. A deployment without token-meter drops the token groups, and occupancy stays hidden until both provider pressure and route capacity are known. Occupancy is deliberately an approximation — its numerator and capacity are independent last-wins projection fields, not one atomic request observation ([rationale](../../llm/token-meter/README.md)). The inline stats row remains the sole context UI; the model selector has no circle or accessory.
 
 `src/client/` is organized for the future package split: `contract/` is the sole inter-domain shared face (`slots.ts` slot declarations + composed slot props including the tool-row contract, `views.ts` shared primitives, `tool-call-model.ts`); the `skeleton/`, `chat/`, and `toolviews/` (sample registrants) domain directories import contract files and never each other; `apply.ts` is the only assembly point allowed to import all three domains. The `/client` export surface is the contract only — `apply`/`inject`, the two service classes, and the `contract/` type families; implementation components (skeleton, chat rows) and the store factory stay internal and reach the page exclusively through apply's slot registrations (tests take them via the `./src/*` subpath).
 
@@ -38,11 +52,13 @@ None; this package neither assembles nor sends a provider request.
 
 ## Known Limitations and Deferred Work
 
+- **Compaction markers show no scale** — the row does not yet report how many messages or which range the checkpoint replaced.
 - **Stats-line durations cover the in-window flow only** — LLM and tool wall times fold the snapshot's assistant `timing` and tool call/result pairs, so nodes outside the loaded event window (older history) are not counted.
 - **Details panel is the minimal form and currently has no entry point** — selected call args/result raw display; the Input/Output/Metadata switch, Prev/Next stepping, and See-in-trajectory deep link are deferred. Tool rows stopped being details-panel click targets and nothing replaced that gesture, so `ChatViewInjected.openDetails` is implemented but uncalled and the panel (including its terminal card) is unreachable in the assembled application; its rendering stays covered by mounting it with a selection directly.
 - **Assistant per-message paging is a reserved slot** — drawn in the design, not implemented. The finalized content IconActions row (copy / branch / clock) ships under the last content-text assistant of each turn only; mid-turn narration and Think-only nodes stay chrome-free. Branch forks through the turn containing that message, increments the inherited title on the client, and then opens the child, while a fork or rename failure leaves the source selected.
+- **Sent user messages cannot be edited** — the user bubble's IconActions row carries clock / copy / branch only, and branching from the message is the nearest gesture. The control returns with the capability behind it: a client mutation over a settled user message, plus the host behavior for the turn that already consumed it ([decision](../../../.agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.md)).
 - **The sparkle icon for the others tool row is a hand-drawn approximation** — the design glyph's vector geometry is not exportable locally; promotion into ui-primitives waits on an exact export.
 - **The approval panel's "Always allow this type" is deferred** — durable grants need a grant-storage design; only allow-once/reject answer today.
 - **TodoPanel truncates long item text to one ellipsized line** — the figma strip has no wrap or expand affordance; full text is not readable inline.
 - **Queue edit is text-only** — rows containing non-text blocks still show a flattened preview, but their edit control is disabled because the inline editor cannot preserve those blocks. A text row's edit mode replaces delete with save and cancel; Enter saves and Escape cancels. QueueDock exposes no send-now control.
-- **Web exposes pending Queue only** — the Host omits pending steering from the Queue snapshot until steering has its own interaction. A consumed `steering/message` still renders in the durable transcript so external steering remains truthful on replay.
+- **Web exposes pending Queue only** — the composer and `conversation.send` never submit `mode:'steer'`. The Host omits pending steering from the Queue snapshot. A consumed `steering/message` still folds into the durable transcript as a plain bubble (no interjection chrome) so external/host steering remains truthful on replay.
diff --git a/packages/client/ui-conversation/README.zh.md b/packages/client/ui-conversation/README.zh.md
index 74e0f3dc0e..0bb1740b16 100644
--- a/packages/client/ui-conversation/README.zh.md
+++ b/packages/client/ui-conversation/README.zh.md
@@ -2,21 +2,33 @@
 
 [English](README.md) | 中文
 
-会话领域：骨架（标题栏／标签页／编辑器／空状态）、聊天视图（分组步骤摘要流、流式尾部隔离、逐工具行 slot 及一个 bash 示例注册方与 todo 行）、编辑器 dock（与输入区一同 sticky 的会话统计行）、输入区 dock（队列行加 todo 计划条）、最小详情面板、按 scope 寻址的 ConversationService。契约：api-contracts v3 §7 加 slot 终端设计（store seat／props share）。
+会话领域：骨架（标题栏／标签页／编辑器／空状态）、聊天视图（分组步骤摘要流、流式尾部隔离、带从左到右动态渐变的 `Deep diving...` 轮次状态、逐工具行 slot 及一个 bash 示例注册方与 todo 行）、编辑器 dock（与输入区一同 sticky 的会话统计行）、输入区 dock（带发丝分界线的队列行加 todo 计划条）、最小详情面板、按 scope 寻址的 ConversationService。契约：api-contracts v3 §7 加 slot 终端设计（store seat／props share）。
 
-常驻会话壳会跨无会话与会话状态切换而保留。没有当前会话时，它会渲染禁用输入栏；其根作用域的 `conversation.hero.workspace` slot 承载 Workspace 选择器。选择 Workspace 会连接或复用由 Host 拥有的空白会话，并在不替换会话壳的情况下打开该会话。空白会话与活跃会话渲染相同的输入区主体；InputHub 则在 Workspace 切换间携带草稿，并将草稿镜像到会话 store。活跃阶段会话标题栏以普通列 chrome 占据顶部；其下滚动容器（`data-conversation-scroll`）承载流动排版的各视图与 sticky 编辑器栈（统计 dock＋输入区 dock＋输入栏）。textarea 上的滚轮会链式处理：限高草稿先在本地滚动，到达边缘后再转交给该宿主。
+压缩（compaction）在检查点自身的消息流位置渲染为一行折叠标记，不替换其上方的 transcript（文本记录）。展开内容来自检查点溯源的 `compact/summary`；该事件位于已加载窗口之外时，标记仍然可见但不可展开。面向模型的带框检查点载荷绝不渲染。
 
-视图环本身就是 slot：会话注册声明 `'conversation.view'` 列表 slot（Session scope），并将其列在 `children` 表中；ConversationRoot 通过 renderSlot share 渲染活跃配置项（`only: <active id>`）；视图标签页从环账本的注册选项（`id`／`order`／`label`）投影而来。聊天视图是该包自身的环配置项；其他插件（ui-trajectory）通过普通的 `ctx.slots.register` 贡献标签页。先前包内的视图注册表（`registerView`／`ViewEntry`／`ConversationViewMap` 及 chrome 附加表）已退役，逐视图 chrome 则被拆入视图组件自身。
+常驻会话壳会跨无会话与会话状态切换而保留。没有当前会话时，它会渲染禁用输入栏；其根作用域的 `conversation.hero.workspace` slot 承载 Workspace 选择器。选择 Workspace 会连接或复用由 Host 拥有的空白会话，并在不替换会话壳的情况下打开该会话。空白会话与活跃会话渲染相同的输入区主体；InputHub 则在 Workspace 切换间携带草稿，并将草稿镜像到会话 store。活跃阶段，会话标题栏作为普通列 chrome，仅显示当前会话标题和视图标签；fork 谱系仍保留为会话数据，不投影到标题栏。其下滚动容器（`data-conversation-scroll`）承载流动排版的各视图与 sticky 编辑器栈（统计 dock＋输入区 dock＋输入栏）。textarea 上的滚轮会链式处理：限高草稿先在本地滚动，到达边缘后再转交给该宿主。
 
-已记录的非用户消息渲染为默认折叠的 `上下文注入` 展开项。它通过包内部的 `DisclosureRow` 与 `ToolRow` 共享 Tool calls 标题栏的几何与交互，同时保留上下文语义：展开后的 141px 滚动区会以内联 JSON 的形式有界展示 `content` 和 `source`，且不会合成工具状态、摘要或键控 toolview 分发（[决策](../../../.agents/notes/implemented/feature/2026-07-30-web-context-injection-disclosure.md)）。
+视图环本身就是 slot：会话注册声明 `'conversation.view'` 列表 slot（Session scope），并将其列在 `children` 表中；ConversationRoot 通过 renderSlot share 渲染活跃配置项（`only: <active id>`）；视图标签页从环账本的注册选项（`id`／`order`／`label`）投影而来。聊天视图是该包（package）自身的环配置项；其他插件（ui-trajectory）通过普通的 `ctx.slots.register` 贡献标签页。先前包内的视图注册表（`registerView`／`ViewEntry`／`ConversationViewMap` 及 chrome 附加表）已退役，逐视图 chrome 则被拆入视图组件自身。
+
+已记录的非用户消息渲染为默认折叠的 `上下文注入` 展开项。它通过包内部的 `DisclosureRow` 与 `ToolRow` 共享 Tool calls 标题栏的几何与交互，同时保留上下文语义：展开内容区的高度会随内容自适应，最大为 141px，超出后滚动，并以内联 JSON 展示 `content` 和 `source`，且不会合成工具状态、摘要或键控 toolview 分发（[决策](../../../.agents/notes/implemented/feature/2026-07-30-web-context-injection-disclosure.md)）。
 
 通用工具行把内置的 bash、read、search、write、edit 和 run_code 名称归入专用视觉变体。文件系统变体会渲染 edit 图标和路径摘要；该路径是悬停下划线链接，点击后通过宿主操作系统的默认应用打开文件（`host.openPath`，相对路径相对会话 cwd 解析）。工具行不再是整行点击目标，也不会打开 details 面板。code 变体以模型撰写的 `description` 作摘要，展开后显示程序本身；其已记录的子调用经由同一个键控 toolview 空位渲染为始终可见的嵌套行（自定义注册和 GenericToolCard fallback 原样适用于子行）。Cordis 生命周期工具复用这些通用变体，同时以统一的 Cordis 强调色呈现 `Inspect`、`Mount temporary Plugin` 和 `Unmount temporary Plugin`；mount 行保留 code 变体的可展开源码渲染。
 
-声明 `terminal` 渲染意图的工具调用，会在两个对话渲染点上都通过 ui-primitives 的 `TerminalBlock` 内联渲染其命令输出。`contract/terminal-card-model.ts` 是从快照的 `callView`／`resultView` 对推导的唯一位置，因此两个渲染点不可能在命令、cwd 或退出状态上产生分歧；对任何其他 card 标签——包括当前客户端版本不认识的标签——它返回 null，落回通用路径。因此两个渲染点也都显示卡片的运行状态点，它与工具行行首图标承载同一套 `StateDot` 语义，所以一行与其自身的卡片对同一条命令的状态总是一致。多行命令的每一行各占一个提示行，状态点只在第一行为整次调用标记一次——退出状态属于整次调用，因此每行一枚就会声称一个 bash 并不报告的逐行结果。键控的 `BashRow` 把卡片常驻在摘要行下方；由于工具行已不再是详情面板的点击目标，卡片的复制与展开控件就是该行唯一的交互。渲染点兜底行则保持其既有的展开控件。行的上限是 `CHAT_TERMINAL_MAX_LINES`（8），面板为 16，正是这一点让摘要面保持有界——面板仍是单次调用的阅读面。内联输出只对该意图开放；通用工具的内容仍然只在面板中呈现（[决策](../../../.agents/notes/implemented/feature/2026-07-28-web-terminal-card.md)）。
+声明 `terminal` 渲染意图的工具调用，会在两个对话渲染点上都通过 ui-primitives 的 `TerminalBlock` 内联渲染其命令输出。`contract/terminal-card-model.ts` 是从快照的 `callView`／`resultView` 对推导的唯一位置，因此两个渲染点不可能在命令、cwd 或退出状态上产生分歧；对任何其他 card 标签——包括当前客户端版本不认识的标签——它返回 null，落回通用路径。因此两个渲染点也都显示卡片的运行状态点，它与工具行行首图标承载同一套 `StateDot` 语义，所以一行与其自身的卡片对同一条命令的状态总是一致。多行命令的每一行各占一个提示行，状态点只在第一行为整次调用标记一次——退出状态属于整次调用，因此每行一枚就会声称一个 bash 并不报告的逐行结果。键控的 `BashRow` 把卡片常驻在摘要行下方；由于工具行已不再是详情面板的点击目标，卡片的复制与展开控件就是该行唯一的交互。渲染点兜底行则保持其既有的展开控件。行的上限是 `CHAT_TERMINAL_MAX_LINES`（8），面板为 16，正是这一点让摘要面保持有界——面板仍是单次调用的阅读面。内联输出按渲染意图开放——终端卡片与 web 卡片，各有自己的上限；通用工具的内容仍然只在面板中呈现（[决策](../../../.agents/notes/implemented/feature/2026-07-28-web-terminal-card.md)）。
 
-工具行同样是 slot：独立工具环（`ToolViewRegistry`／`ctx.toolviews`／outlet）已经退役。聊天配置项声明键控的 `'conversation.chat.toolview'` 空位（Session scope；key 空间在运行时开放）；其渲染点逐行通过 `entryKey: toolName` 分发，并以 `GenericToolCard` 作为调用点 `fallback`。owner 载荷是统一的 `ToolRowOwnerProps`（`callId`／`toolName`／`block`／`openFile`），`ToolRowProps` 则预先将其与 Session 标准工具包组合。注册方只是普通插件：`ctx.slots.register({ name: 'conversation.chat.toolview', key: '<tool>', inject? }, Row)`，以 `inject: ['slots', 'conversation']` 作为加载顺序 seam（apply 在聊天注册后挂载 ConversationService，因此服务存在即可保证 slot 已声明）；Session 区分在组件内部完成（`useSessions` 读取 `parentId`，bash 示例是第三方姿态的范例）。Trajectory/waterfall 工具视图 slot 共享此形状，并随各自的渲染点落地（RendersCheck 会拒绝没有任何渲染方的声明）。
+声明 `web` 渲染意图的工具调用，会在两个对话渲染点上都通过 ui-primitives 的 `WebBlock` 内联渲染其 web 检索。`contract/web-card-model.ts` 是从快照的 `resultView` 推导的唯一位置，镜像终端卡片，因此两个渲染点不可能对一次 web 调用的显示产生分歧；对运行中的调用、非 web 的 result view、generic result view、本客户端版本不认识的 `card` 标签，或本客户端版本不认识 `kind` 的 web 卡片（更新的 host 发来的值，wire 上不可信其为 `search` 或 `fetch`），它返回 null，落回通用路径。键控的 `WebRow` 把一个组件注册在 `web_search` 与 `web_fetch` 两个键下，仅根据工具名判别以选取图标与标题；它组合共享的 `ToolRow`，把卡片作为 ToolRow 的 `web` body 传入，因此检索成为该行默认折叠的展开卡片（与每个卡片行相同的统一展开交互）。没有自己键控行的 web 声明工具落到 `GenericToolCard` 兜底，它以同样方式经 ToolRow 渲染卡片，详情面板则以原语的完整 source 额度渲染它，并在卡片下方渲染摊平的模型可见结果内容——fetch 正文只在此处可读，因为其卡片只携带 URL 和状态。行的上限是 `CHAT_WEB_MAX_SOURCES`（8），面板为 16，与终端卡片所画的摘要面对阅读面的同一划分（[决策](../../../.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.md)）。
 
-审批经由本包声明的链接管编辑器：`ApprovalPanel` 注册为按选择器路由的 `'conversation.composer'` 配置项（ui-question 模式），在审批等待未决期间取代 InputBar 占据编辑器（琥珀色条、理由标题、来自运行中调用参数的配对命令行、一次性的拒绝／允许）。`contract/slots.ts` 中的 `PendingApproval` 领域面在运行时 `PendingWait` 载体之上拥有 wire 编码——带审计关联的 `ApprovalResponsePayload` 值；广播的 `approval/resolved` 帧使等待落定并恢复编辑器。侧边栏通过 manager 跟踪的 `waitingApproval` 列表位（未实例化会话同样点亮）镜像该阻塞状态，其优先级高于运行中圆环，直至问题解决。未决等待完全离开消息流：问题（ui-question）与审批（ApprovalPanel）都经编辑器接管作答，不再保留只读占位卡。编辑器底行的 Access 席位挂载 `PermissionSelect`，由 host 计算的 `permissions` 投影经标准工具包 `useProjection` 供数（key 缺席即隐藏 chip）；chip 打开 Menu 原语下拉，kebab-case 预设名渲染为 Title Case 标签（与 `/permission` popup 的显示变换孪生），选中会经由输入栏注入的 `command` 回调提交 `/permission <preset>` 命令行。
+声明 `read` 渲染意图的 `read` 调用，会在两个对话渲染点上都通过 ui-primitives 的 `ReadBlock` 内联渲染返回的文件窗口——工具投影出的带行号、语法高亮的内容。`contract/read-card-model.ts` 是从快照的 `resultView` 推导的唯一位置；read 卡片是仅结果侧的(调用在 `execute` 返回前不携带文件内容)，所以运行中的 read 只显示摘要，且对非 read 的 result view 或本客户端版本不认识的 `card` 标签返回 null，落回通用路径。键控的 `ReadRow` 组合共享的 `ToolRow`，把卡片作为 ToolRow 的 `read` body 传入，因此它是该行默认折叠的展开卡片；摘要仍是一个经 host 打开文件的路径链接。渲染点兜底行与详情面板同样感知 read。行的上限是 `CHAT_READ_MAX_LINES`（8），面板为 16（[决策](../../../.agents/notes/implemented/feature/2026-07-30-web-read-card-frontend.md)）。
+
+声明 `diff` 渲染意图的工具调用（`write`／`edit` 工具），通过 ui-primitives 的 `DiffBlock` 内联渲染其已应用的改动，采用同一套四层结构。`contract/diff-card-model.ts` 是从 `callView`／`resultView` 对推导的唯一位置；已结算 result 的 hunk 替换 call 时 diff，对任何其他 card 标签或 generic result view（write/edit 的执行错误）它返回 null，落回通用路径。键控的 `FileMutationRow`（在 `write` 与 `edit` 下都注册）组合共享的 `ToolRow`，把 diff 作为 ToolRow 的 `diff` body 传入，因此它是该行默认折叠的展开卡片；摘要路径链接仍经 host 打开文件，而出错的改动（没有 diff 卡片）经 ToolRow 的 Output 区呈现其错误文本，首行进入折叠摘要。渲染点兜底行与详情面板同样感知 diff。行的上限是 `CHAT_DIFF_MAX_LINES`（8），面板为 16（[决策](../../../.agents/notes/implemented/feature/2026-07-30-web-diff-card.md)）。
+
+聊天流会将跨重试轮次连续出现的模型重试节点投影为一个稳定的弱化状态行，并用最新一次尝试更新该行；每个重试事件仍保留在运行时快照与会话日志中。前端倒计时以客户端收到事件的时刻为计划延迟的起点，避免 Host 与浏览器的时钟偏差；剩余时间向上取整到秒，且下限为 1 秒。最近一次尚未完成的重试会显示从左到右的文字渐变动画。后续轮次事实用于区分已开始的尝试与在退避期间取消的尝试，Host 的 running 位只控制实时动画；随后该行会显示静态的已完成或已取消标签。normal 策略行显示有限重试上限；always 策略行显示 `∞`。激活该行会显示最近一次重试的精确延迟和失败消息。客户端运行时会在相应重试节点到达前移除每个失败步骤的流式输出尾部；后续某次尝试成功后，该状态仍保持可见。未进入重试的终态失败会在其轮次边界渲染为持久的内联状态，展示适合显示的持久消息与可选错误码，但不会提供 Host 无法兑现的操作；AUTH 文案绝不会回显提供方给出的凭据片段。
+
+声明 `search` 渲染意图的 `grep`／`glob` 调用，会在同样的渲染点上通过 ui-primitives 的 `SearchBlock` 内联渲染其结果——grep 的匹配按文件分组（每个是一个可折叠的头，下辖 `lineNumber: line` 行），glob 是扁平路径列表。`contract/search-card-model.ts` 是从快照的 `resultView` 推导的唯一位置；与终端卡片不同，它不读 `callView`，因为搜索在 `execute` 前没有匹配或路径，所以运行中的搜索只显示摘要。对任何非搜索的结果视图、当前客户端版本无法编译的 `card` 或 `kind`、以及（因为这些都与不可信的 wire 帧同行）一个 `files`／`paths` 格式错误的已知 kind，它都返回 null，落回通用路径。键控的 `SearchRow` 因推导出的 `kind` 决定形态而同时注册在 `grep` 与 `glob` 下，组合共享的 `ToolRow`，把卡片作为 ToolRow 的 `search` body 传入，因此它是该行默认折叠的展开卡片；渲染点兜底行以同样方式渲染它。两者上限都是 `CHAT_SEARCH_MAX_LINES`（8），面板为 16。被截断的搜索会从卡片里丢掉一些行，但通往其余部分的定位符——grep/glob 的 `Full … stored at …` 脚注——只存在于结果文本里，因此推导在（且仅在）结果被截断时把它作为恢复脚注画在卡片下方；一个完全没有卡片的已结算调用（出错的搜索、嵌套 `run_code` 子派发、旧日志的 generic 结果）则经 ToolRow 的 Output 区呈现其压平后的结果文本，从而不让任何内容丢失在一个光秃秃的摘要之后（[决策](../../../.agents/notes/implemented/feature/2026-07-30-web-search-card.md)）。
+
+工具行同样是 slot：独立工具环（`ToolViewRegistry`／`ctx.toolviews`／outlet）已经退役。聊天配置项声明键控的 `'conversation.chat.toolview'` 空位（Session scope；key 空间在运行时开放）；其渲染点逐行通过 `entryKey: toolName` 分发，并以 `GenericToolCard` 作为调用点 `fallback`。owner 载荷是统一的 `ToolRowOwnerProps`（`callId`／`toolName`／`block`／`openFile`），`ToolRowProps` 则预先将其与 Session 标准工具包组合。注册方只是普通插件：`ctx.slots.register({ name: 'conversation.chat.toolview', key: '<tool>', inject? }, Row)`，以 `inject: ['slots', 'conversation']` 作为加载顺序 seam（apply 在聊天注册后挂载 ConversationService，因此服务存在即可保证 slot 已声明）；Session 区分在组件内部完成（`useSessions` 读取 `parentId`，bash 示例是第三方姿态的范例）。Trajectory/waterfall（瀑布式事件）工具视图 slot 共享此形状，并随各自的渲染点落地（RendersCheck 会拒绝没有任何渲染方的声明）。
+
+审批经由本包声明的链接管编辑器：`ApprovalPanel` 注册为按选择器路由的 `'conversation.composer'` 配置项（ui-question 模式），在审批等待未决期间取代 InputBar 占据编辑器（琥珀色条、理由标题、来自运行中调用参数的配对命令行、一次性的拒绝／允许）。`contract/slots.ts` 中的 `PendingApproval` 领域面在运行时 `PendingWait` 载体之上拥有 wire 编码——带审计关联的 `ApprovalResponsePayload` 值；广播的 `approval/resolved` 帧使等待落定并恢复编辑器。侧边栏通过 manager 跟踪的 `waitingApproval` 列表位（未实例化会话同样点亮）镜像该阻塞状态，其优先级高于运行中圆环，直至问题解决。未决等待完全离开消息流：问题（ui-question）与审批（ApprovalPanel）都经编辑器接管作答，不再保留只读占位卡。编辑器底行的 Access 席位挂载 `PermissionSelect`，由 host 计算的 `permissions` 投影经标准工具包 `useProjection` 供数（key 缺席即隐藏 chip）；chip 打开 Menu 原语下拉，其中 kebab-case 预设名渲染为 Title Case 标签；普通安全预设会立即经输入栏注入的 `command` 回调提交 `/permission <preset>`，而 `danger-full-access` 在界面中显示为 `Full access`，选择后先打开页面内的 Modal 风险确认。用户勾选确认项前启用按钮始终不可用；取消、Escape、关闭按钮与点击遮罩都不会提交命令。
 
 todo 两个面就是在该形状上的两个注册项，都是普通注册方插件，`inject: ['slots', 'conversation']`。`TodoRow` 占用 `'conversation.chat.toolview'` 的 `todo_write` key，摘要该次调用「试图写入」的内容（从其 args 解析出 `<已完成>/<总数> 已完成 · <进行中条目>`；模型 JSON 残缺或形状不对时回落到通用摘要；非 ok 执行状态保留通用状态点，使被取消的调用绝不读成一次已完成的更新）。`TodoDock` 以 `order: -1` 占用 `'conversation.input.dock'` 列表 slot（位于队列行之上），是计划条：它经 `useProjection` 读取 host 计算的 `todos` 投影（站立计划：其后没有更晚 `turn/start` 的最近一次 `todo/write`）并渲染 `TodoPanel`，后者接收纯列表，在列表为空时自我隐藏；列表非空时面板初始折叠，表头显示标题加 `"<已完成>/<总数> tasks · <n> in progress"`（状态图标为 figma 的勾选／进行中／虚线未开始一组）。选取由 dock 适配器负责，因此面板保持为其 props 的纯函数；站立列表放在此处而非行内，行才能保持单行。输入区 composer 链隐藏的一切（例如 ui-question 对 `conversation.composer` 的接管）也会隐藏整个 dock，包括这条计划条。
 
@@ -24,7 +36,9 @@ todo 两个面就是在该形状上的两个注册项，都是普通注册方插
 
 逐 Session UI 状态中的选择与活跃视图位于已声明的聊天 store（`stores.ts` `createChatStore`）中；InputHub 拥有输入区状态机，并将草稿镜像到该 store 以便持久化。apply 将同一个 store handle 传给严格限定于会话的子树、聊天视图和详情注册，因此每个会话内共享一个实例，框架拥有其生命周期。组件保持纯粹：框架标准工具包提供 `useSession`／`sessionId`、全局 `useSessions`／`useWorkspaces`，以及输入状态机的 `useInput`／`inputActions`；store 表层与 inject factory 提供其余状态和回调。
 
-输入栏为 `'conversation.input.plan'`（位于本地 access 模式控件右侧）和 `'conversation.input.model'`（渲染在 pending 指示器与发送／停止按钮之前）声明会话作用域的单实例 seat，并为 overlay、dock、left 和 right 输入扩展声明列表 slot。各功能包拥有相应控件及其状态；ui-conversation 提供放置位置、`locked` owner prop 和标准 slot share。当 `plan` 投影的有效目标为 plan mode 时，InputBar 将文本框 placeholder 切换为 plan 任务措辞，经本包注册的 `conversation` locale 命名空间（`placeholder.plan` / `hint.plan` 键）本地化，并与已认领 `/plan` 命令的提示逐字共用同一份文案（经标准套件 `useProjection` 读取的 host 折叠值；owner 提供的 placeholder 优先）。另一个会话视图活跃时，待处理的 composer 接管仍保持挂载，使被阻塞的 agent（智能体）仍能收到回答；没有待处理交互时，活跃会话的 composer 归 Chat 所有。composer bar slot 本身为 `session-maybe`：没有当前会话时，同一个 bar 以不可交互状态渲染（machine face 均缺席、`disabled` owner prop），而不是换入一棵平行的 disabled 树，因此选择 workspace 时 textarea DOM 不会被销毁；严格会话作用域的控件 seat 在会话存在之前保持为空。
+输入栏为 `'conversation.input.plan'`（位于本地 access 模式控件右侧）和 `'conversation.input.model'`（渲染在 pending 指示器与发送／停止按钮之前）声明会话作用域的单实例 seat，并为 overlay、dock、left 和 right 输入扩展声明列表 slot。各功能包拥有相应控件及其状态；ui-conversation 提供放置位置、`locked` owner prop 和标准 slot share。前置加号按钮是 Command launcher，而非附件入口：它要求当前会话的 `SlashController` 基于 textarea 当前 selection，只打开 `/` trigger 的 `command` source，同时 ui-slash 既有的 `MenuView` 仍是唯一的浮层菜单与 pick 路径。不引入 File 行、file input、上传协议或第二套菜单组件。当 `plan` 投影的有效目标为 plan mode 时，InputBar 将文本框 placeholder 切换为 plan 任务措辞，经本包注册的 `conversation` locale 命名空间（`placeholder.plan` / `hint.plan` 键）本地化，并与已认领 `/plan` 命令的提示逐字共用同一份文案（经标准套件 `useProjection` 读取的 host 折叠值；owner 提供的 placeholder 优先）。另一个会话视图活跃时，待处理的 composer 接管仍保持挂载，使被阻塞的 agent（智能体）仍能收到回答；没有待处理交互时，活跃会话的 composer 归 Chat 所有。composer bar slot 本身为 `session-maybe`：没有当前会话时，同一个 bar 以不可交互状态渲染（machine face 均缺席、`disabled` owner prop），而不是换入一棵平行的 disabled 树，因此选择 workspace 时 textarea DOM 不会被销毁；严格会话作用域的控件 seat 在会话存在之前保持为空。
+
+聊天统计行的 token 账目来自经标准套件 `useProjection` 读取的两个通用 token-meter 投影：`tokenUsage` 提供完整日志计费用量（计费输入为未缓存输入、缓存读取与缓存写入之和；缓存命中率以缓存读取除以该总量），`contextPressure` 提供上下文占用率。可见节点只提供轮次与步骤计数，以及 LLM（大语言模型）和工具的墙钟时间：这些是关于「屏幕上有什么」的窗口作用域事实，而非账目；压缩（compaction）使已加载窗口不再包含 assistant 节点时，持久 token 与上下文分组仍保持可见。未组合 token-meter 的部署会整组省略 token 分组；只有提供方压力与路由容量都已知时才显示占用率。占用率是刻意为之的近似值：它的分子与容量是两个相互独立的「后写覆盖」投影字段，并非同一次请求的原子观测（[原理](../../llm/token-meter/README.md)）。行内统计行仍是唯一的上下文 UI；模型选择器不增加圆环或附属控件。
 
 `src/client/` 按未来的包拆分组织：`contract/` 是唯一的跨领域共享表层（`slots.ts` slot 声明 + 组合后的 slot props，包括工具行契约、`views.ts` 共享原语、`tool-call-model.ts`）；`skeleton/`、`chat/` 和 `toolviews/`（示例注册方）领域目录只导入 contract 文件，彼此绝不导入；`apply.ts` 是唯一允许导入全部三个领域的组装点。`/client` 导出表层只包含契约：`apply`／`inject`、两个服务类和 `contract/` 类型家族；实现组件（骨架、聊天行）与 store factory 保持内部状态，只能通过 apply 的 slot 注册到达页面（测试通过 `./src/*` 子路径获取它们）。
 
@@ -38,11 +52,13 @@ todo 两个面就是在该形状上的两个注册项，都是普通注册方插
 
 ## 已知限制与暂缓事项
 
-- **统计行的耗时只覆盖窗口内消息流**：LLM（大语言模型）与工具墙钟时间由快照的 assistant `timing` 与工具 call/result 配对折算，落在已加载事件窗口之外的节点（更早的历史）不计入。
+- **压缩标记不显示规模**：该行尚不报告检查点替换了多少条消息或哪段范围。
+- **统计行的耗时只覆盖窗口内消息流**：LLM 与工具墙钟时间由快照的 assistant `timing` 与工具 call/result 配对折算，落在已加载事件窗口之外的节点（更早的历史）不计入。
 - **详情面板是最小形态，且当前没有入口**：以原始形式显示已选择调用的参数／结果；Input/Output/Metadata 切换、Prev/Next 步进与 See-in-trajectory 深链接暂缓实现。工具行已不再是详情面板的点击目标，且没有任何手势接替它，因此 `ChatViewInjected.openDetails` 虽已实现却无人调用，该面板（含其终端卡片）在组装后的应用中不可达；其渲染仍由直接以选中态挂载它来覆盖。
 - **assistant 逐消息分页是预留 slot**：设计中已有图稿，尚未实现。已定稿的内容 IconActions 行（复制／分支／时钟）只挂在每个轮次中最后一条带 text 内容的 assistant 下；轮次中间的叙述与纯 Think 节点不带 chrome。分支会 fork 到包含该消息的轮次末尾，在 client 端递增继承标题后打开子会话，而 fork 或改名失败时源会话保持选中。
+- **已发送的 user 消息无法编辑**：user 气泡的 IconActions 行只有时钟／复制／分支，从该消息分支是最接近的手势。该控件要与其背后的能力一起回归：既需要针对已定稿 user 消息的 client 变更，也需要 host 侧对已经消费过它的轮次给出行为（[决策](../../../.agents/notes/implemented/simplification/2026-07-31-drop-user-message-edit-stub.md)）。
 - **others 工具行的闪光图标是手绘近似版本**：无法在本地导出设计字形的矢量几何；等到存在精确导出后再将其提升到 ui-primitives。
 - **审批面板的「始终允许此类」暂缓**：持久授权需要授权存储设计；今天只能回答允许一次／拒绝。
 - **TodoPanel 将过长条目截成单行省略号**：figma 条没有换行或展开入口，完整文本无法在行内读完。
 - **Queue 编辑仅支持文本**：包含非文本块的行仍显示扁平化预览，但由于内联编辑器无法保留这些块，其编辑控件会被禁用。文本行进入编辑模式后，删除会替换为保存和取消；Enter 保存，Escape 取消。QueueDock 不提供立即发送控件。
-- **Web 仅暴露待处理 Queue**：在 steering（中途引导）拥有专用交互之前，Host 不会把待处理 steering 纳入 Queue 快照。已消费的 `steering/message` 仍会渲染到持久 transcript（文本记录）中，因此从外部提交的 steering 在回放时仍能如实呈现。
+- **Web 仅暴露待处理 Queue**：composer 与 `conversation.send` 从不提交 `mode:'steer'`。Host 不会把待处理 steering（中途引导）纳入 Queue 快照。已消费的 `steering/message` 仍会折叠进持久 transcript（文本记录），并以无「插话」徽章的普通气泡呈现，因此从外部／Host 提交的 steering 在回放时仍能如实呈现。
diff --git a/packages/client/ui-conversation/package.json b/packages/client/ui-conversation/package.json
index 8a9173982b..88c09b5550 100644
--- a/packages/client/ui-conversation/package.json
+++ b/packages/client/ui-conversation/package.json
@@ -45,12 +45,14 @@
     "@deepseek-ai/dsh-client-ui-slash": "^0.0.1",
     "@deepseek-ai/dsh-client-ui-slots": "^0.0.1",
     "@deepseek-ai/dsh-invariants": "^0.0.1",
+    "@deepseek-ai/dsh-token-meter": "^0.0.1",
     "cordis": "^4.0.0-rc.7",
     "react": "^18.2.0"
   },
   "devDependencies": {
     "@deepseek-ai/dsh-client-locale": "workspace:^",
     "@deepseek-ai/dsh-client-runtime": "workspace:^",
+    "@deepseek-ai/dsh-client-test-runtime": "workspace:^",
     "@deepseek-ai/dsh-goal": "workspace:^",
     "@deepseek-ai/dsh-plan-mode": "workspace:^",
     "@deepseek-ai/dsh-client-ui-layout": "workspace:^",
@@ -60,6 +62,7 @@
     "@deepseek-ai/dsh-invariants": "workspace:^",
     "@deepseek-ai/dsh-permission": "workspace:^",
     "@deepseek-ai/dsh-session-projection": "workspace:^",
+    "@deepseek-ai/dsh-token-meter": "workspace:^",
     "@deepseek-ai/dsh-tool-todo": "workspace:^",
     "@types/react": "~18.3.1",
     "cordis": "^4.0.0-rc.7",
diff --git a/packages/client/ui-conversation/src/client/apply.ts b/packages/client/ui-conversation/src/client/apply.ts
index da8c9b1910..c67431e409 100644
--- a/packages/client/ui-conversation/src/client/apply.ts
+++ b/packages/client/ui-conversation/src/client/apply.ts
@@ -20,6 +20,10 @@ import { InputBar } from './skeleton/InputBar.tsx'
 import { ChatView } from './chat/ChatView.tsx'
 import { StatsLine } from './chat/StatsLine.tsx'
 import { bashToolviewSample } from './toolviews/bash-sample.tsx'
+import { readToolview } from './toolviews/read-row.tsx'
+import { fileMutationToolview } from './toolviews/file-mutation-row.tsx'
+import { searchToolview } from './toolviews/search-row.tsx'
+import { webToolview } from './toolviews/web-row.tsx'
 import { ApprovalPanel } from './skeleton/ApprovalPanel.tsx'
 import { todoToolview } from './toolviews/todo-row.tsx'
 import { askQuestionToolview } from './toolviews/ask-question-row.tsx'
@@ -52,6 +56,10 @@ const ABSENT_LEXICON = {
   getSnapshot: () => EMPTY_LEXICON,
   subscribe: () => () => {},
 }
+const ABSENT_MENU_LAUNCHER = {
+  getSnapshot: (): string | null => null,
+  subscribe: () => () => {},
+}
 
 /** Resolve the session-scoped conversation face (scope-addressed send/cancel), failing loud. */
 function scopedConversation(sessions: ISessions, id: SessionId): IConversation {
@@ -86,6 +94,11 @@ export function apply(ctx: Context): void {
   // Apply-time construction keeps store identity bound to this fiber.
   const chatStore = createChatStore()
 
+  // Chat scroll offsets by session, surviving view switches (the chat view
+  // unmounts under the tab ring). Deliberately not persisted: a fresh page
+  // load should keep the open-jump-to-bottom default.
+  const chatScrollTops = new Map<SessionId, number>()
+
   const viewTabs = (): ViewTab[] => {
     const tabs: ViewTab[] = []
     for (const entry of slots.entries('conversation.view')) {
@@ -152,7 +165,6 @@ export function apply(ctx: Context): void {
   // the resident parent keeps Hero and composer layout identity stable.
   slots.register({
     name: 'conversation.session',
-    locale: NS,
     children: { 'conversation.view': { kind: 'list', scope: 'session' } },
     store: chatStore,
     inject: (sessionId: SessionId, _actions: BoundActions<typeof chatStore>): ConversationSessionInjected => ({
@@ -162,7 +174,6 @@ export function apply(ctx: Context): void {
         version: () => slots.getVersion('conversation.view'),
       },
       bindDraftMirror: write => inputHub.shell(sessionId).bindMirror(write),
-      open: (id) => { sessions.open(id) },
     }),
   }, ConversationSession)
 
@@ -187,14 +198,28 @@ export function apply(ctx: Context): void {
       if (sessionId === undefined) {
         return {
           keyboard: undefined,
+          toggleCommandMenu: undefined,
           stop: undefined,
           command: undefined,
-          hooks: { notices: ABSENT_NOTICES, lexicon: ABSENT_LEXICON },
+          hooks: { notices: ABSENT_NOTICES, lexicon: ABSENT_LEXICON, menuLauncher: ABSENT_MENU_LAUNCHER },
         }
       }
       const shell = inputHub.shell(sessionId)
+      const slash = inputHub.slash(sessionId)
       return {
         keyboard: shell,
+        toggleCommandMenu: slash === undefined
+          ? undefined
+          : (selection) => {
+            shell.dismissPopup()
+            const snapshot = shell.snapshot
+            slash.toggleSource('command', {
+              trigger: '/',
+              query: '',
+              position: snapshot.draft.slice(0, selection.start).trim() === '' ? 'leading' : 'inline',
+              span: { ...selection, draftRev: snapshot.draftRev },
+            })
+          },
         stop: () => {
           scopedConversation(sessions, sessionId).cancel().catch(() => {
             // Stop failure surfaces via snapshot.promptError; nothing to restore.
@@ -206,7 +231,11 @@ export function apply(ctx: Context): void {
           const result = await session.command(line)
           return result.ok && result.value.matched
         },
-        hooks: { notices: shell.notices, lexicon: shell.lexicon },
+        hooks: {
+          notices: shell.notices,
+          lexicon: shell.lexicon,
+          menuLauncher: slash?.launcher ?? ABSENT_MENU_LAUNCHER,
+        },
       }
     },
   }, InputBar)
@@ -252,6 +281,19 @@ export function apply(ctx: Context): void {
           })
         },
         loadOlder: () => { void scoped.loadOlder() },
+        // Unregistered 'trajectory' id is safe: the tab ring falls back to
+        // the first view, and the untouched inspect target stays inert.
+        inspectCall: (callId) => {
+          actions.setInspect({ callId })
+          actions.setView('trajectory')
+        },
+        chatScroll: {
+          save: (top) => {
+            if (top === null) chatScrollTops.delete(sessionId)
+            else chatScrollTops.set(sessionId, top)
+          },
+          read: () => chatScrollTops.get(sessionId) ?? null,
+        },
         forkAt: (seq) => {
           sessions.fork({ sessionId, atSeq: seq, increaseTitle: true })
             .then((childId) => { sessions.open(childId) })
@@ -278,6 +320,24 @@ export function apply(ctx: Context): void {
   // (ToolRow-matching Bash · {description} chrome; scoped badge in child sessions).
   ctx.plugin(bashToolviewSample)
 
+  // The read row rides the same seam (a product registration, not a sample):
+  // Read · {path} chrome with the file's read card resident below it.
+  ctx.plugin(readToolview)
+
+  // The write/edit rows ride the same seam: a file-mutation call declares the
+  // diff render intent, so these rows stack the applied diff card under their
+  // path-link summary (the terminal card's posture, applied to diffs).
+  ctx.plugin(fileMutationToolview)
+
+  // The grep/glob search row rides the same seam: one component registered
+  // under both tool names, since both declare the same search render intent.
+  ctx.plugin(searchToolview)
+
+  // The web rows ride the same seam: one WebRow registered under both
+  // web_search and web_fetch, rendering the completed retrieval's web card
+  // resident under the summary (a product registration, not a sample).
+  ctx.plugin(webToolview)
+
   // The todo_write row rides the same seam (a product registration, not a sample).
   ctx.plugin(todoToolview)
 
diff --git a/packages/client/ui-conversation/src/client/chat/AssistantMarkdown.tsx b/packages/client/ui-conversation/src/client/chat/AssistantMarkdown.tsx
index b328404518..387a7fd82a 100644
--- a/packages/client/ui-conversation/src/client/chat/AssistantMarkdown.tsx
+++ b/packages/client/ui-conversation/src/client/chat/AssistantMarkdown.tsx
@@ -64,7 +64,6 @@ function ThinkRow({ text, running, t }: { text: string; running: boolean; t: Ass
       summary={firstLine(text)}
       body={text}
       state={running ? 'running' : 'ok'}
-      expandOnRowClick
     />
   )
 }
diff --git a/packages/client/ui-conversation/src/client/chat/ChatView.module.css b/packages/client/ui-conversation/src/client/chat/ChatView.module.css
index 42b5384dfc..55270946ba 100644
--- a/packages/client/ui-conversation/src/client/chat/ChatView.module.css
+++ b/packages/client/ui-conversation/src/client/chat/ChatView.module.css
@@ -66,33 +66,45 @@
   border-left: 1px solid var(--dsw-alias-border-l2);
 }
 
-/* Turn loader: one row of four 2.5px pixels (StateDot blue) chasing left to
-   right with a stepped trail — flat keyframe holds, no tweening. Phase
-   offsets come from per-rect animation-delay (index * -250ms) set inline
-   by the component. */
-.turnDots {
+/* Turn activity keeps the former loader's one-line footprint. A pale
+   brand-blue band sweeps from left to right; reduced-motion keeps it static. */
+.turnStatus {
   align-self: flex-start;
   flex: none;
-  display: flex;
+  display: inline-flex;
   align-items: center;
-  /* One message line box: the dots center inside the text line height. */
   height: 26px;
-  /* Same pin as StateDot: ongoing blue has no alias token (business-primary
-     is the 500 step, not this 450). */
-  color: var(--dsw-static-deepseek-450);
+  font: var(--dsw-font-s-strong-14);
+  white-space: nowrap;
+  background: linear-gradient(
+    90deg,
+    var(--dsw-static-deepseek-500) 0%,
+    var(--dsw-static-deepseek-500) 40%,
+    var(--dsw-static-deepseek-200) 50%,
+    var(--dsw-static-deepseek-500) 60%,
+    var(--dsw-static-deepseek-500) 100%
+  );
+  background-position: 100% 0;
+  background-size: 250% 100%;
+  background-clip: text;
+  color: transparent;
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  animation: dsh-turn-status-shimmer 1.8s linear infinite;
 }
 
-.turnDotCell {
-  fill: currentColor;
-  opacity: 0.15;
-  animation: dsh-turn-dots-chase 1s infinite;
+@keyframes dsh-turn-status-shimmer {
+  to {
+    background-position: 0 0;
+  }
 }
 
-@keyframes dsh-turn-dots-chase {
-  0%, 24.9% { opacity: 1; }
-  25%, 49.9% { opacity: 0.6; }
-  50%, 74.9% { opacity: 0.35; }
-  75%, 100% { opacity: 0.15; }
+@media (prefers-reduced-motion: reduce) {
+  .turnStatus {
+    background-position: 0 0;
+    background-size: 100% 100%;
+    animation: none;
+  }
 }
 
 .hint {
diff --git a/packages/client/ui-conversation/src/client/chat/ChatView.tsx b/packages/client/ui-conversation/src/client/chat/ChatView.tsx
index f8536e5fe3..4a8e715bcf 100644
--- a/packages/client/ui-conversation/src/client/chat/ChatView.tsx
+++ b/packages/client/ui-conversation/src/client/chat/ChatView.tsx
@@ -46,6 +46,8 @@ function scrollerOf(from: HTMLElement): HTMLElement {
 
 type OpenFile = (path: string) => void
 
+type InspectCall = (callId: string) => void
+
 /** The declared toolview hole's render share (stable framework binding, passed through memoized rows). */
 type RenderToolRow = ChatViewSlotProps['renderSlot']
 
@@ -53,23 +55,36 @@ type RenderToolRow = ChatViewSlotProps['renderSlot']
  *  chat view narrows once to the runtime snapshot the binding actually feeds. */
 type UseConversation = SnapshotSelectorHook<ConversationSnapshot>
 
+function activeRetrySeq(nodes: readonly ConversationNode[], running: boolean): number | null {
+  if (!running) return null
+  for (let index = nodes.length - 1; index >= 0; index -= 1) {
+    const node = nodes[index]
+    if (node === undefined) continue
+    if (node.kind === 'model-retry') return node.retryState === 'cancelled' ? null : node.seq
+    if (node.kind === 'assistant' || node.kind === 'user') return null
+  }
+  return null
+}
+
 /** One `run_code` sub-dispatch row: the identical keyed-slot dispatch as a
  *  top-level call (same registrations, same fallback), nested by the parent.
  *  A started-but-unsettled sub-call arrives as the RunningToolCall shape and
  *  renders the running state exactly as a native in-flight row. */
-const SubCallRow = memo(function SubCallRow({ renderSlot, node, openFile, selected, cwd, t }: {
+const SubCallRow = memo(function SubCallRow({ renderSlot, node, openFile, selected, cwd, inspectCall, t }: {
   renderSlot: RenderToolRow
   node: CodeSubCall
   openFile: OpenFile
   selected: boolean
   cwd: string | undefined
+  inspectCall: InspectCall
   t: ChatViewSlotProps['t']
 }) {
   const settled = 'kind' in node
   const toolName = settled ? node.call?.name ?? '' : node.name
   const owner = useMemo(() => ({
     callId: node.callId, toolName, block: node, openFile, cwd,
-  }), [node, toolName, openFile, cwd])
+    inspect: () => { inspectCall(node.callId) },
+  }), [node, toolName, openFile, cwd, inspectCall])
   return (
     <div className={css.callRow} data-selected={selected || undefined}>
       {renderSlot('conversation.chat.toolview', owner, {
@@ -86,7 +101,7 @@ const SubCallRow = memo(function SubCallRow({ renderSlot, node, openFile, select
  *  renders its logged sub-dispatches as always-visible indented rows —
  *  each one the same keyed-slot dispatch as a native top-level call. */
 const CallRow = memo(function CallRow({
-  renderSlot, callId, toolName, block, openFile, selected, subCalls, selectedCallId, cwd, t,
+  renderSlot, callId, toolName, block, openFile, selected, subCalls, selectedCallId, cwd, inspectCall, t,
 }: {
   renderSlot: RenderToolRow
   callId: string
@@ -101,11 +116,13 @@ const CallRow = memo(function CallRow({
   selectedCallId?: string | undefined
   /** Session workspace root for path-relative summaries. */
   cwd: string | undefined
+  inspectCall: InspectCall
   t: ChatViewSlotProps['t']
 }) {
   const owner = useMemo(() => ({
     callId, toolName, block, openFile, cwd,
-  }), [callId, toolName, block, openFile, cwd])
+    inspect: () => { inspectCall(callId) },
+  }), [callId, toolName, block, openFile, cwd, inspectCall])
   return (
     <div className={css.callRow} data-selected={selected || undefined}>
       {renderSlot('conversation.chat.toolview', owner, {
@@ -122,6 +139,7 @@ const CallRow = memo(function CallRow({
               openFile={openFile}
               selected={node.callId === selectedCallId}
               cwd={cwd}
+              inspectCall={inspectCall}
               t={t}
             />
           ))}
@@ -132,7 +150,7 @@ const CallRow = memo(function CallRow({
 })
 
 /** Consecutive tool results as one step-run group (uniform 16px rhythm). */
-const ToolGroup = memo(function ToolGroup({ renderSlot, results, openFile, selectedCallId, codeDispatches, cwd, t }: {
+const ToolGroup = memo(function ToolGroup({ renderSlot, results, openFile, selectedCallId, codeDispatches, cwd, inspectCall, t }: {
   renderSlot: RenderToolRow
   results: readonly ToolResultNode[]
   openFile: OpenFile
@@ -142,6 +160,7 @@ const ToolGroup = memo(function ToolGroup({ renderSlot, results, openFile, selec
   codeDispatches: ReadonlyMap<string, readonly CodeSubCall[]>
   /** Session workspace root for path-relative summaries. */
   cwd: string | undefined
+  inspectCall: InspectCall
   t: ChatViewSlotProps['t']
 }) {
   return (
@@ -158,6 +177,7 @@ const ToolGroup = memo(function ToolGroup({ renderSlot, results, openFile, selec
           subCalls={codeDispatches.get(node.callId)}
           selectedCallId={selectedCallId}
           cwd={cwd}
+          inspectCall={inspectCall}
           t={t}
         />
       ))}
@@ -184,36 +204,11 @@ const CommandRow = memo(function CommandRow({ renderSlot, node, t }: {
   )
 })
 
-/** Turn loader: one row of four 2.5px pixels (half a notch above the StateDot
- *  2px cell, same blue) chasing left to right with a stepped trail — flat
- *  keyframe holds, no tweening, no rotation. Phase offsets come from
- *  per-rect animation-delay. */
-const LOADER_CELLS = [0, 5, 10, 15] as const
-
-function TurnDots() {
+/** Turn-level model activity label retained across first-token, tool, and streaming phases. */
+function TurnStatus() {
   return (
-    /* The wrapper is a 26px line box (message line height) so the loader
-       occupies one text line and centers the dots inside it. */
-    <div className={css.turnDots} aria-hidden="true">
-      <svg
-        width="17.5"
-        height="2.5"
-        viewBox="0 0 17.5 2.5"
-        shapeRendering="crispEdges"
-      >
-        {LOADER_CELLS.map((x, index) => (
-          <rect
-            key={x}
-            className={css.turnDotCell}
-            x={x}
-            y="0"
-            width="2.5"
-            height="2.5"
-            /* Negative delay phases the chase so every cell animates from mount. */
-            style={{ animationDelay: `${(index - LOADER_CELLS.length) * 250}ms` }}
-          />
-        ))}
-      </svg>
+    <div className={css.turnStatus} role="status" aria-live="polite">
+      Deep diving...
     </div>
   )
 }
@@ -237,7 +232,9 @@ function StreamingTail({ useSession, onGrow, t }: {
  * The chat view slot entry: pure component over the composed props (tool rows
  * render through the declared keyed hole's renderSlot share).
  */
-export function ChatView({ useSession, useSessions, useStore, renderSlot, sessionId, openFile, loadOlder, forkAt, t }: ChatViewSlotProps) {
+export function ChatView({
+  useSession, useSessions, useStore, renderSlot, sessionId, openFile, loadOlder, inspectCall, chatScroll, forkAt, t,
+}: ChatViewSlotProps) {
   const nodes = useSession(s => s.nodes)
   // Workspace root off the session list row: path summaries display relative to it.
   const cwd = useSessions(s => s.byId[sessionId]?.cwd)
@@ -251,6 +248,7 @@ export function ChatView({ useSession, useSessions, useStore, renderSlot, sessio
   const selectedCallId = useStore(s => s.selection?.callId)
 
   const items = useMemo(() => deriveChatFlow(nodes), [nodes])
+  const activeRetry = useMemo(() => activeRetrySeq(nodes, running), [nodes, running])
   // Only the last content assistant of each turn owns IconActions; mid-turn
   // text (before tools) omits `time` so AssistantMarkdown stays chrome-free.
   const actionSeqs = useMemo(() => assistantActionsSeqs(nodes), [nodes])
@@ -284,10 +282,20 @@ export function ChatView({ useSession, useSessions, useStore, renderSlot, sessio
     /* v8 ignore next -- ref-null guard: React attaches the ref before layout effects run. */
     if (local === null) return
     const el = scrollerOf(local)
-    // Open completed: jump to the bottom once.
+    // Open completed: jump to the bottom once — unless a scroll position
+    // survives from a previous mount (view-tab switch away and back), which
+    // is restored instead of snapping the reader back to the floor.
     if (openState === 'open' && !openedRef.current) {
       openedRef.current = true
-      toBottom(el)
+      const saved = chatScroll.read()
+      if (saved === null) {
+        toBottom(el)
+      } else {
+        el.scrollTop = saved
+        const isAtBottom = el.scrollHeight - el.scrollTop - el.clientHeight <= FOLLOW_THRESHOLD + 1
+        atBottomRef.current = isAtBottom
+        setAtBottom(isAtBottom)
+      }
       firstSeqRef.current = firstSeq
       lastKeyRef.current = lastKey
       followSigRef.current = followSig
@@ -325,6 +333,9 @@ export function ChatView({ useSession, useSessions, useStore, renderSlot, sessio
     const isAtBottom = el.scrollHeight - el.scrollTop - el.clientHeight <= FOLLOW_THRESHOLD + 1
     atBottomRef.current = isAtBottom
     setAtBottom(isAtBottom)
+    // Continuous save (unmount happens after ref detach, so saving there is
+    // too late); pinned-to-bottom clears so a remount keeps following.
+    chatScroll.save(isAtBottom ? null : el.scrollTop)
   }
 
   // Bind scroll to the resolved scrollport (host or local) once per mount.
@@ -375,6 +386,7 @@ export function ChatView({ useSession, useSessions, useStore, renderSlot, sessio
           selectedCallId={inGroup ? selectedCallId : undefined}
           codeDispatches={codeDispatches}
           cwd={cwd}
+          inspectCall={inspectCall}
           t={t}
         />
       )
@@ -399,7 +411,15 @@ export function ChatView({ useSession, useSessions, useStore, renderSlot, sessio
     }
     /* v8 ignore next -- tool-result never reaches here: deriveChatFlow folds them into groups. */
     if (node.kind === 'tool-result') return null
-    return <MessageItem key={item.key} node={node} onFork={forkAt} t={t} />
+    return (
+      <MessageItem
+        key={item.key}
+        node={node}
+        retryActive={node.kind === 'model-retry' && node.seq === activeRetry}
+        onFork={forkAt}
+        t={t}
+      />
+    )
   }
 
   return (
@@ -435,6 +455,7 @@ export function ChatView({ useSession, useSessions, useStore, renderSlot, sessio
                   subCalls={codeDispatches.get(call.callId)}
                   selectedCallId={selectedCallId}
                   cwd={cwd}
+                  inspectCall={inspectCall}
                   t={t}
                 />
               ))}
@@ -445,7 +466,7 @@ export function ChatView({ useSession, useSessions, useStore, renderSlot, sessio
               double-render the same wait. */}
           {/* Turn-level loading signal: rides the whole running turn (first-token
               wait, tool execution, streaming) so it never flickers per step. */}
-          {running && <TurnDots />}
+          {running && <TurnStatus />}
         </div>
         {!atBottom && (
           <div className={css.toBottomSlot}>
diff --git a/packages/client/ui-conversation/src/client/chat/CompactionItem.tsx b/packages/client/ui-conversation/src/client/chat/CompactionItem.tsx
new file mode 100644
index 0000000000..82922dd97e
--- /dev/null
+++ b/packages/client/ui-conversation/src/client/chat/CompactionItem.tsx
@@ -0,0 +1,56 @@
+// CompactionItem: the one row a landed compaction contributes to the flow.
+// The conversation it shadowed on the model surface stays above it, so this
+// marker reports where the model stopped seeing that history — it never
+// replaces it. The framed checkpoint payload is written for the model and is
+// not rendered; the disclosure shows the summary from the checkpoint's own
+// provenance, and a window cut that left that provenance outside makes the row
+// non-expandable rather than empty.
+
+import { memo, useState } from 'react'
+import type { CompactionSummaryNode } from '@deepseek-ai/dsh-client-runtime/client'
+import {
+  IconChevronDownOutline14,
+  IconChevronRightOutline14,
+  MarkdownText,
+} from '@deepseek-ai/dsh-client-ui-primitives'
+import type { ChatViewSlotProps } from '../contract/slots.ts'
+import css from './MessageItem.module.css'
+
+interface CompactionItemProps {
+  node: CompactionSummaryNode
+  /** The owning view's locale seat. */
+  t: ChatViewSlotProps['t']
+}
+
+/**
+ * The collapsed-by-default compaction marker.
+ * @param props - the marker node off the snapshot cache.
+ * @returns the marker row, with the summary disclosure when one is available.
+ */
+export const CompactionItem = memo(function CompactionItem({ node, t }: CompactionItemProps) {
+  const [expanded, setExpanded] = useState(false)
+  const expandable = node.summary !== null
+  const open = expandable && expanded
+  return (
+    <div className={css.compactionRow}>
+      <button
+        type="button"
+        className={css.compactionButton}
+        disabled={!expandable}
+        aria-expanded={expandable ? open : undefined}
+        onClick={() => { setExpanded(value => !value) }}
+      >
+        <span className={css.compactionLeading}>
+          {open ? <IconChevronDownOutline14 /> : <IconChevronRightOutline14 />}
+        </span>
+        <span className={css.compactionTitle}>{t('message.compaction')}</span>
+        <span className={css.compactionSep} aria-hidden />
+        <span className={css.compactionSummary}>
+          {expandable ? t('message.compaction.expand') : t('message.compaction.unavailable')}
+        </span>
+      </button>
+      {open && node.summary !== null
+        && <div className={css.compactionBody}><MarkdownText text={node.summary} /></div>}
+    </div>
+  )
+})
diff --git a/packages/client/ui-conversation/src/client/chat/ContextInjectionRow.module.css b/packages/client/ui-conversation/src/client/chat/ContextInjectionRow.module.css
index 7ffdfca5bd..e603931a27 100644
--- a/packages/client/ui-conversation/src/client/chat/ContextInjectionRow.module.css
+++ b/packages/client/ui-conversation/src/client/chat/ContextInjectionRow.module.css
@@ -1,4 +1,4 @@
-/* Figma 10:2482: 24px Tool calls header, 4px gap, 141px clipped code block. */
+/* Figma 10:2482: 24px Tool calls header, 4px gap, 141px code block cap. */
 
 .root {
   min-width: 0;
@@ -15,7 +15,7 @@
 .body {
   box-sizing: border-box;
   width: calc(100% - 22px);
-  height: 141px;
+  max-height: 141px;
   margin: 4px 0 0 22px;
   overflow: auto;
   padding: 10px 16px 12px 12px;
diff --git a/packages/client/ui-conversation/src/client/chat/DisclosureRow.tsx b/packages/client/ui-conversation/src/client/chat/DisclosureRow.tsx
index 0b1e9ea1b0..361fb24517 100644
--- a/packages/client/ui-conversation/src/client/chat/DisclosureRow.tsx
+++ b/packages/client/ui-conversation/src/client/chat/DisclosureRow.tsx
@@ -14,6 +14,8 @@ export interface DisclosureRowProps {
   expandOnRowClick?: boolean | undefined
   /** Replaces the collapsed icon with a chevron while the row is hovered. */
   previewChevron?: boolean | undefined
+  /** Keeps `collapsedContent` inline while open (ToolRow's summary stays readable next to the expanded card). */
+  keepContentWhenOpen?: boolean | undefined
   collapsedContent?: ReactNode
   children?: ReactNode
   className?: string | undefined
@@ -36,6 +38,7 @@ export function DisclosureRow({
   onToggle,
   expandOnRowClick = false,
   previewChevron = expandable,
+  keepContentWhenOpen = false,
   collapsedContent,
   children,
   className,
@@ -93,7 +96,7 @@ export function DisclosureRow({
           </span>
         )}
         <span className={clsx(css.title, titleClassName)}>{title}</span>
-        {!open && collapsedContent}
+        {(keepContentWhenOpen || !open) && collapsedContent}
       </div>
       {open && children}
     </div>
diff --git a/packages/client/ui-conversation/src/client/chat/GenericCommandCard.tsx b/packages/client/ui-conversation/src/client/chat/GenericCommandCard.tsx
index 8f5d6775e4..aa236c87ca 100644
--- a/packages/client/ui-conversation/src/client/chat/GenericCommandCard.tsx
+++ b/packages/client/ui-conversation/src/client/chat/GenericCommandCard.tsx
@@ -34,7 +34,7 @@ export function GenericCommandCard({ node, t }: GenericCommandCardProps) {
     <ToolRow
       t={t}
       variant="others"
-      icon={<IconApiOutline14 size={16} />}
+      icon={<IconApiOutline14 size={14} />}
       title={title}
       summary={summary}
       // Expandable only when the outcome text overflows a one-line summary.
diff --git a/packages/client/ui-conversation/src/client/chat/GenericToolCard.tsx b/packages/client/ui-conversation/src/client/chat/GenericToolCard.tsx
index 5f9e364bab..705d1d039f 100644
--- a/packages/client/ui-conversation/src/client/chat/GenericToolCard.tsx
+++ b/packages/client/ui-conversation/src/client/chat/GenericToolCard.tsx
@@ -10,7 +10,11 @@ import {
   IconThinkOutline14,
 } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { ChatViewSlotProps, ToolRowOwnerProps } from '../contract/slots.ts'
-import { terminalCardModel } from '../contract/terminal-card-model.ts'
+import { readCardModel } from '../contract/read-card-model.ts'
+import { diffCardModel } from '../contract/diff-card-model.ts'
+import { searchCardModel } from '../contract/search-card-model.ts'
+import { terminalCardModel, terminalFailed } from '../contract/terminal-card-model.ts'
+import { webCardModel } from '../contract/web-card-model.ts'
 import { toolRowModel, type ToolRowVariant } from '../contract/tool-call-model.ts'
 import { ToolRow } from './ToolRow.tsx'
 
@@ -31,9 +35,18 @@ export interface GenericToolCardProps extends ToolRowOwnerProps {
   t: ChatViewSlotProps['t']
 }
 
-export function GenericToolCard({ toolName, block, cwd, openFile, t }: GenericToolCardProps) {
+export function GenericToolCard({ toolName, block, cwd, openFile, inspect, t }: GenericToolCardProps) {
   const model = toolRowModel(toolName, block, cwd)
   const terminal = terminalCardModel(block, cwd)
+  const read = readCardModel(block, cwd)
+  const diff = diffCardModel(block)
+  const search = searchCardModel(block)
+  const web = webCardModel(block)
+  // A failing exit status is the terminal card's own error signal (the call
+  // itself settles isError:false), surfaced as the row's red state dot.
+  const state = model.state === 'ok' && terminal !== null && terminalFailed(terminal)
+    ? 'error'
+    : model.state
   const singleFile = model.filePath !== undefined
   return (
     <ToolRow
@@ -43,14 +56,24 @@ export function GenericToolCard({ toolName, block, cwd, openFile, t }: GenericTo
       icon={VARIANT_ICONS[model.variant]}
       title={model.title}
       // A terminal presenter's description is the contract's above-card text, so
-      // it outranks the args-derived summary here exactly as it does in BashRow.
-      summary={terminal?.description ?? model.summary}
-      // Single-file tools never expose an args body — the path link is the only action.
+      // it outranks the args-derived summary here exactly as it does in BashRow;
+      // a search result view's replacement title outranks it the same way.
+      summary={terminal?.description ?? search?.title ?? model.summary}
+      // Single-file tools never expose an args body — the path link is the only
+      // args interaction. A card is not an args body: a read/write/edit row is
+      // single-file AND carries a card, so the card expands under the path link.
       body={singleFile ? null : model.body}
+      output={model.output}
+      errorSummary={model.errorSummary}
       terminal={terminal}
-      state={model.state}
+      diff={diff}
+      read={read}
+      search={search}
+      web={web}
+      state={state}
       filePath={model.filePath}
       onOpenFile={singleFile ? openFile : undefined}
+      inspect={inspect}
     />
   )
 }
diff --git a/packages/client/ui-conversation/src/client/chat/MessageIconActions.tsx b/packages/client/ui-conversation/src/client/chat/MessageIconActions.tsx
index dbb8a8628e..cd6b0a36ce 100644
--- a/packages/client/ui-conversation/src/client/chat/MessageIconActions.tsx
+++ b/packages/client/ui-conversation/src/client/chat/MessageIconActions.tsx
@@ -1,10 +1,9 @@
 // Shared IconActions chrome for user and assistant messages: copy live,
-// branch wired through onBranch, date-aware clock,
-// optional edit stub.
+// branch wired through onBranch, date-aware clock.
 
 import { useCallback } from 'react'
 import {
-  IconBranchOutline16, IconCopyOutline16, IconEditOutline16, Tooltip,
+  IconBranchOutline16, IconCopyOutline16, Tooltip,
 } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { ChatViewSlotProps } from '../contract/slots.ts'
 import { formatMessageClock, writeClipboard } from './message-chrome.ts'
@@ -18,8 +17,6 @@ export interface MessageIconActionsProps {
   time: number
   /** Clock before icons (user) or after (assistant). */
   clock: 'start' | 'end'
-  /** When true, append the stub edit control (user bubble). */
-  edit?: boolean | undefined
   /** Fork the session at this message. */
   onBranch?: (() => void) | undefined
   /** Parent layout class composed onto the actions row. */
@@ -30,11 +27,11 @@ export interface MessageIconActionsProps {
 
 /**
  * Copy / branch (/ clock) IconActions row shared by user and assistant chrome.
- * @param props - Copy text, event time, clock side, optional edit, branch callback, className.
+ * @param props - Copy text, event time, clock side, branch callback, className.
  * @returns The actions row element.
  */
 export function MessageIconActions({
-  text, time, clock, edit, onBranch, className, t,
+  text, time, clock, onBranch, className, t,
 }: MessageIconActionsProps) {
   const day = useCalendarDay()
   const onCopy = useCallback(() => {
@@ -58,13 +55,6 @@ export function MessageIconActions({
           <IconBranchOutline16 />
         </button>
       </Tooltip>
-      {edit === true && (
-        <Tooltip label={t('edit')} side="bottom">
-          <button type="button" className={css.action} aria-label={t('edit')}>
-            <IconEditOutline16 />
-          </button>
-        </Tooltip>
-      )}
       {clock === 'end' ? clockEl : null}
     </div>
   )
diff --git a/packages/client/ui-conversation/src/client/chat/MessageItem.module.css b/packages/client/ui-conversation/src/client/chat/MessageItem.module.css
index 2667024bcd..323c5a5769 100644
--- a/packages/client/ui-conversation/src/client/chat/MessageItem.module.css
+++ b/packages/client/ui-conversation/src/client/chat/MessageItem.module.css
@@ -20,20 +20,219 @@
   color: var(--dsw-alias-label-primary);
 }
 
-.badge {
-  display: inline-block;
-  margin-bottom: 4px;
-  padding: 1px 6px;
-  border-radius: 6px;
-  background: var(--dsw-alias-state-warn-primary);
-  color: var(--dsw-alias-label-primary-foreground);
-  font-size: 11px;
-}
-
 .contextRow {
   padding: 2px 0;
 }
 
+/* Compaction marker: one dim 24px row with a chevron disclosure for the
+   summary body. Dimmed title (not label-primary) — the row is a boundary
+   notice, not conversation content. */
+.compactionRow {
+  padding: 2px 0;
+}
+
+.compactionButton {
+  display: flex;
+  align-items: center;
+  width: 100%;
+  height: 24px;
+  min-width: 0;
+  padding: 0;
+  border: none;
+  border-radius: 6px;
+  background: none;
+  color: inherit;
+  font: inherit;
+  text-align: left;
+}
+
+.compactionButton:not(:disabled) {
+  cursor: pointer;
+}
+
+.compactionButton:not(:disabled):hover {
+  background: var(--dsw-alias-interactive-bg-hover);
+}
+
+.compactionLeading {
+  flex: none;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 16px;
+  height: 16px;
+  margin-right: 6px;
+  color: var(--dsw-alias-label-secondary);
+}
+
+.compactionTitle {
+  flex: none;
+  font-size: 14px;
+  line-height: 24px;
+  color: var(--dsw-alias-label-primary-dimmed);
+}
+
+.compactionSep {
+  flex: none;
+  width: 2px;
+  height: 2px;
+  margin: 0 8px;
+  border-radius: 1px;
+  background: var(--dsw-alias-label-caption);
+}
+
+.compactionSummary {
+  flex: 1 1 auto;
+  min-width: 0;
+  overflow: hidden;
+  color: var(--dsw-alias-label-tertiary);
+  font-size: 14px;
+  line-height: 24px;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.compactionBody {
+  padding: 4px 0 4px 22px;
+  color: var(--dsw-alias-label-tertiary);
+  font-size: 14px;
+  line-height: 24px;
+}
+
+.retryRow {
+  color: var(--dsw-alias-label-tertiary);
+  font-size: 13px;
+  line-height: 20px;
+}
+
+.retrySummary {
+  display: inline-flex;
+  align-items: center;
+  width: fit-content;
+  padding: 2px 0;
+  gap: 7px;
+  border-radius: 3px;
+  color: inherit;
+  cursor: pointer;
+  list-style: none;
+  user-select: none;
+}
+
+.retrySummary::-webkit-details-marker {
+  display: none;
+}
+
+.retrySummary::after {
+  width: 6px;
+  height: 6px;
+  border-right: 1.5px solid currentcolor;
+  border-bottom: 1.5px solid currentcolor;
+  content: '';
+  opacity: 0.8;
+  transform: rotate(-45deg);
+  transition: transform 120ms ease;
+}
+
+.retrySummary:hover {
+  color: var(--dsw-alias-label-secondary);
+}
+
+.retrySummary:focus-visible {
+  outline: 1.5px solid var(--dsw-alias-button-info-fill);
+  outline-offset: 2px;
+}
+
+.retryText {
+  color: inherit;
+}
+
+.retryRow[data-active] .retryText {
+  background:
+    linear-gradient(
+      90deg,
+      var(--dsw-alias-label-tertiary) 0%,
+      var(--dsw-alias-label-tertiary) 40%,
+      var(--dsw-alias-label-secondary) 50%,
+      var(--dsw-alias-label-tertiary) 60%,
+      var(--dsw-alias-label-tertiary) 100%
+    );
+  background-position: 100% 50%;
+  background-size: 200% 100%;
+  background-clip: text;
+  color: transparent;
+  animation: retry-shimmer 1.6s ease-in-out infinite;
+}
+
+.retryRow[open] .retrySummary::after {
+  transform: rotate(45deg);
+}
+
+.retryDetails {
+  display: grid;
+  gap: 2px;
+  margin-top: 3px;
+  padding-left: 14px;
+  overflow-wrap: anywhere;
+  font-size: 12px;
+  line-height: 18px;
+}
+
+.retryDetailLabel {
+  color: var(--dsw-alias-label-secondary);
+}
+
+.turnErrorRow {
+  display: grid;
+  grid-template-columns: 10px minmax(0, 1fr) auto;
+  gap: 8px;
+  align-items: start;
+  padding: 2px 0;
+  font-size: 13px;
+  line-height: 20px;
+}
+
+.turnErrorDot {
+  margin-top: 5px;
+}
+
+.turnErrorCopy {
+  min-width: 0;
+  overflow-wrap: anywhere;
+}
+
+.turnErrorTitle {
+  margin-right: 6px;
+  color: var(--dsw-alias-state-error-primary);
+  font-weight: 600;
+}
+
+.turnErrorMessage {
+  color: var(--dsw-alias-label-secondary);
+}
+
+.turnErrorCode {
+  color: var(--dsw-alias-label-tertiary);
+  font: var(--dsw-font-markdown-code-block-small);
+}
+
+@keyframes retry-shimmer {
+  from {
+    background-position: 100% 50%;
+  }
+
+  to {
+    background-position: 0 50%;
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .retryRow[data-active] .retryText {
+    background: none;
+    color: inherit;
+    animation: none;
+  }
+}
+
 /* Reference chip projection inside a user bubble (`<skill>name</skill>` model
    spans render as chips; free geometry — no textarea pairing here). */
 .refChip {
diff --git a/packages/client/ui-conversation/src/client/chat/MessageItem.tsx b/packages/client/ui-conversation/src/client/chat/MessageItem.tsx
index bb6429470f..b54604060a 100644
--- a/packages/client/ui-conversation/src/client/chat/MessageItem.tsx
+++ b/packages/client/ui-conversation/src/client/chat/MessageItem.tsx
@@ -1,22 +1,31 @@
-// MessageItem: the four simple node kinds — user bubble (right-aligned, with
-// clock + copy / branch / edit IconActions), steering (badged bubble), context
-// injection and unknown-surface JSON rows. Props are frozen node slices off
-// the snapshot cache; memo holds across streaming because unchanged nodes
-// keep their references.
+// MessageItem: simple chat nodes — user bubble (right-aligned, with
+// clock + copy / branch IconActions), steering (same bubble, no actions),
+// context injection, compaction marker, retry disclosure, and
+// unknown-surface JSON rows.
 
-import { memo } from 'react'
+import { memo, useEffect, useMemo, useState } from 'react'
 import type { ReactNode } from 'react'
 import type {
-  ContextMessageNode, SteeringMessageNode, UnknownSurfaceNode, UserMessageNode,
+  CompactionSummaryNode, ContextMessageNode, ModelRetryNode, SteeringMessageNode,
+  TurnErrorNode, UnknownSurfaceNode, UserMessageNode,
 } from '@deepseek-ai/dsh-client-runtime/client'
-import { JsonBlock, MessageText } from '@deepseek-ai/dsh-client-ui-primitives'
+import { JsonBlock, MessageText, StateDot } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { ChatViewSlotProps } from '../contract/slots.ts'
+import { CompactionItem } from './CompactionItem.tsx'
 import { ContextInjectionRow } from './ContextInjectionRow.tsx'
 import { MessageIconActions } from './MessageIconActions.tsx'
 import css from './MessageItem.module.css'
 
 export interface MessageItemProps {
-  node: UserMessageNode | SteeringMessageNode | ContextMessageNode | UnknownSurfaceNode
+  node:
+    | UserMessageNode
+    | SteeringMessageNode
+    | ContextMessageNode
+    | CompactionSummaryNode
+    | ModelRetryNode
+    | TurnErrorNode
+    | UnknownSurfaceNode
+  retryActive?: boolean
   /** Fork the session through the turn containing this message (user-bubble branch action). */
   onFork?: (seq: number) => void
   /** The owning view's locale seat, passed down as a plain prop. */
@@ -34,6 +43,98 @@ function contentText(content: readonly unknown[]): { text: string; rest: unknown
   return { text: texts.join(''), rest }
 }
 
+function retrySeconds(milliseconds: number): number {
+  return Math.max(1, Math.ceil(milliseconds / 1_000))
+}
+
+interface RetryCountdown {
+  deadline: number
+  seconds: number
+}
+
+function ModelRetryItem({ node, active, t }: {
+  node: ModelRetryNode
+  active: boolean
+  t: ChatViewSlotProps['t']
+}) {
+  // Anchor the host-scheduled delay to this browser's first render of the
+  // retry node. Host event time and Date.now() may belong to different clocks.
+  const deadline = useMemo(() => Date.now() + node.delayMs, [node.delayMs, node.seq])
+  const scheduledSeconds = retrySeconds(node.delayMs)
+  const maximum = node.mode === 'normal' ? node.maxRetries : '∞'
+  const [countdown, setCountdown] = useState<RetryCountdown>(() => ({
+    deadline,
+    seconds: retrySeconds(deadline - Date.now()),
+  }))
+  const remainingSeconds = countdown.deadline === deadline
+    ? countdown.seconds
+    : retrySeconds(deadline - Date.now())
+
+  useEffect(() => {
+    if (!active) return
+    const updateCountdown = (): number => {
+      const next = retrySeconds(deadline - Date.now())
+      setCountdown(current => (
+        current.deadline === deadline && current.seconds === next
+          ? current
+          : { deadline, seconds: next }
+      ))
+      return next
+    }
+    if (updateCountdown() === 1) return
+    const timer = window.setInterval(() => {
+      if (updateCountdown() === 1) window.clearInterval(timer)
+    }, 250)
+    return () => { window.clearInterval(timer) }
+  }, [active, deadline])
+
+  const label = active
+    ? t('message.retry.active')
+    : node.retryState === 'cancelled'
+      ? t('message.retry.cancelled')
+      : node.retryState === 'started'
+        ? t('message.retry.started')
+        : t('message.retry.scheduled')
+  const seconds = active ? remainingSeconds : scheduledSeconds
+
+  return (
+    <details className={css.retryRow} data-active={active || undefined}>
+      <summary className={css.retrySummary}>
+        <span className={css.retryText} role="status">
+          {t('message.retry.status', { label, retry: node.retry, maximum, seconds })}
+        </span>
+      </summary>
+      <div className={css.retryDetails}>
+        <div>
+          <span className={css.retryDetailLabel}>{t('message.retry.delay')}</span>
+          {Math.round(node.delayMs)}ms
+        </div>
+        <div>
+          <span className={css.retryDetailLabel}>{t('message.retry.failure')}</span>
+          {node.failure.message}
+        </div>
+      </div>
+    </details>
+  )
+}
+
+/** Persistent, turn-positioned feedback for a terminal failure. */
+function TurnErrorItem({ node, t }: {
+  node: TurnErrorNode
+  t: ChatViewSlotProps['t']
+}) {
+  return (
+    <div className={css.turnErrorRow} role="status">
+      <StateDot state="error" className={css.turnErrorDot} />
+      <div className={css.turnErrorCopy}>
+        <span className={css.turnErrorTitle}>{t('message.turnError')}</span>
+        <span className={css.turnErrorMessage}>{node.message}</span>
+      </div>
+      {node.code !== undefined && <code className={css.turnErrorCode}>{node.code}</code>}
+    </div>
+  )
+}
+
 /**
  * Display projection of reference forms in a user bubble (free geometry — no
  * textarea alignment constraint here); everything else stays plain text. The
@@ -66,45 +167,62 @@ function projectUserText(text: string): ReactNode {
   return <>{parts}</>
 }
 
-export const MessageItem = memo(function MessageItem({ node, onFork, t }: MessageItemProps) {
+/** Right-aligned bubble shared by user and steering rows (steering has no actions). */
+function UserStyleBubble({
+  content, actions, t,
+}: {
+  content: readonly unknown[]
+  /** Optional IconActions (or similar) below the bubble; receives the joined text. */
+  actions?: (text: string) => ReactNode
+  t: ChatViewSlotProps['t']
+}): ReactNode {
+  const { text, rest } = contentText(content)
+  const truncated = (total: number): string => t('json.truncated', { total })
+  return (
+    <div className={css.userRow}>
+      <div className={css.bubble}>
+        {projectUserText(text)}
+        {rest.map((block, i) => <JsonBlock key={i} label={t('message.extraBlock')} payload={block} truncatedLabel={truncated} />)}
+      </div>
+      {actions?.(text)}
+    </div>
+  )
+}
+
+export const MessageItem = memo(function MessageItem({
+  node, retryActive = false, onFork, t,
+}: MessageItemProps) {
   const truncated = (total: number): string => t('json.truncated', { total })
   switch (node.kind) {
-    case 'user': {
-      const { text, rest } = contentText(node.content)
+    case 'user':
       return (
-        <div className={css.userRow}>
-          <div className={css.bubble}>
-            {projectUserText(text)}
-            {rest.map((block, i) => <JsonBlock key={i} label={t('message.extraBlock')} payload={block} truncatedLabel={truncated} />)}
-          </div>
-          <MessageIconActions
-            text={text}
-            time={node.time}
-            clock="start"
-            edit
-            onBranch={onFork === undefined ? undefined : () => { onFork(node.seq) }}
-            className={css.actions}
-            t={t}
-          />
-        </div>
+        <UserStyleBubble
+          content={node.content}
+          t={t}
+          actions={text => (
+            <MessageIconActions
+              text={text}
+              time={node.time}
+              clock="start"
+              onBranch={onFork === undefined ? undefined : () => { onFork(node.seq) }}
+              className={css.actions}
+              t={t}
+            />
+          )}
+        />
       )
-    }
-    case 'steering': {
-      const { text, rest } = contentText(node.content)
-      return (
-        <div className={css.userRow}>
-          <div className={css.bubble}>
-            <span className={css.badge}>{t('message.steering')}</span>
-            {projectUserText(text)}
-            {rest.map((block, i) => <JsonBlock key={i} label={t('message.extraBlock')} payload={block} truncatedLabel={truncated} />)}
-          </div>
-        </div>
-      )
-    }
+    case 'steering':
+      return <UserStyleBubble content={node.content} t={t} />
     case 'context':
       return (
         <ContextInjectionRow content={node.content} source={node.source} t={t} />
       )
+    case 'compaction':
+      return <CompactionItem node={node} t={t} />
+    case 'model-retry':
+      return <ModelRetryItem node={node} active={retryActive} t={t} />
+    case 'turn-error':
+      return <TurnErrorItem node={node} t={t} />
     default:
       return (
         <div className={css.contextRow}>
diff --git a/packages/client/ui-conversation/src/client/chat/StatsLine.tsx b/packages/client/ui-conversation/src/client/chat/StatsLine.tsx
index 4b9446211c..4cb5df2565 100644
--- a/packages/client/ui-conversation/src/client/chat/StatsLine.tsx
+++ b/packages/client/ui-conversation/src/client/chat/StatsLine.tsx
@@ -3,43 +3,35 @@
 // active conversation scrollport (see ConversationRoot data-conversation-scroll).
 
 import { Fragment, memo, useMemo } from 'react'
-import type { ConversationSnapshot } from '@deepseek-ai/dsh-client-runtime/client'
+import type { ConversationSnapshot, UseProjection } from '@deepseek-ai/dsh-client-runtime/client'
 import type { SnapshotSelectorHook } from '@deepseek-ai/dsh-client-ui-slots'
+import type { ContextPressureProjection, TokenUsageProjection } from '@deepseek-ai/dsh-token-meter/client'
 import css from './StatsLine.module.css'
 
-interface UsageTotals {
+interface WindowStats {
   turns: number
   steps: number
   /** Summed request wall time (step/start → assistant/message); 0 when no node carries timing. */
   llmMs: number
   /** Summed tool wall time (tool/call → tool/result); 0 when no pair is in-window. */
   toolMs: number
-  /** Prompt-side tokens: inputTokens + cacheReadTokens. */
-  inputTokens: number
-  outputTokens: number
-  cacheHitPct: number | null
-}
-
-/** Token accounting slice of assistant `usage` (typed upstream as unknown). */
-interface UsageLike {
-  inputTokens?: number
-  outputTokens?: number
-  cacheReadTokens?: number
 }
 
 /**
- * Fold assistant and tool-result nodes into display totals.
+ * Fold assistant and tool-result nodes into the window-scoped display totals.
+ *
+ * Counts and wall times describe the loaded window on purpose — they answer
+ * "what is on screen". Token accounting deliberately does NOT come from here:
+ * the window is paged and compaction rewrites it, so billing rides the durable
+ * `tokenUsage` projection instead.
  * @param nodes - snapshot nodes.
- * @returns totals; cacheHitPct null until any cache accounting arrives.
+ * @returns visible counts and summed wall times.
  */
-export function deriveStats(nodes: ConversationSnapshot['nodes']): UsageTotals {
+export function deriveStats(nodes: ConversationSnapshot['nodes']): WindowStats {
   const turns = new Set<number>()
   let steps = 0
   let llmMs = 0
   let toolMs = 0
-  let input = 0
-  let output = 0
-  let cacheRead = 0
   for (const node of nodes) {
     if (node.kind === 'tool-result') {
       if (node.callTime !== null) toolMs += Math.max(0, node.time - node.callTime)
@@ -51,22 +43,8 @@ export function deriveStats(nodes: ConversationSnapshot['nodes']): UsageTotals {
     if (node.timing !== undefined && node.timing.stepStartTime !== null) {
       llmMs += Math.max(0, node.timing.completedTime - node.timing.stepStartTime)
     }
-    const usage = node.usage as UsageLike | undefined
-    if (usage === undefined) continue
-    input += usage.inputTokens ?? 0
-    output += usage.outputTokens ?? 0
-    cacheRead += usage.cacheReadTokens ?? 0
-  }
-  const denom = input + cacheRead
-  return {
-    turns: turns.size,
-    steps,
-    llmMs,
-    toolMs,
-    inputTokens: input + cacheRead,
-    outputTokens: output,
-    cacheHitPct: denom === 0 ? null : Math.round((cacheRead / denom) * 100),
   }
+  return { turns: turns.size, steps, llmMs, toolMs }
 }
 
 /**
@@ -94,21 +72,82 @@ export function formatDuration(ms: number): string {
   return `${Math.floor(whole / 60)}m${whole % 60}s`
 }
 
-/** Props: the conversation-snapshot selector (dock registration or unit mount). */
-export interface StatsLineProps { useSession: SnapshotSelectorHook<ConversationSnapshot> }
+/**
+ * Cache-hit share of prompt-side input over the whole durable log.
+ * @param usage - the session's token-usage projection value.
+ * @returns rounded integer percent, or null when no input was billed.
+ */
+export function cacheHitPercent(usage: TokenUsageProjection): number | null {
+  const denominator = billedInputTokens(usage)
+  return denominator === 0
+    ? null
+    : Math.round(usage.cacheReadTokens / denominator * 100)
+}
 
-export const StatsLine = memo(function StatsLine({ useSession }: StatsLineProps) {
+/** Sum the three disjoint prompt-side billing buckets. */
+function billedInputTokens(usage: TokenUsageProjection): number {
+  return usage.uncachedInputTokens + usage.cacheReadTokens + usage.cacheWriteTokens
+}
+
+interface ContextOccupancy {
+  percent: number
+  contextWindow: number
+}
+
+/**
+ * Approximate context occupancy, using the TUI's integer rounding and upper
+ * clamp. The numerator and capacity are independent last-wins projection
+ * fields, so this is a reference figure rather than an exact measurement of one
+ * request (see the token-meter README).
+ * @param pressure - the session's context-pressure projection value.
+ * @returns occupancy and its denominator, or null until both values are known.
+ */
+export function contextOccupancy(
+  pressure: ContextPressureProjection | undefined,
+): ContextOccupancy | null {
+  if (pressure?.pressureTokens === undefined || pressure.contextWindow === undefined) return null
+  return {
+    percent: Math.min(100, Math.round(pressure.pressureTokens / pressure.contextWindow * 100)),
+    contextWindow: pressure.contextWindow,
+  }
+}
+
+/** Props: the conversation-snapshot selector plus the projection read seat. */
+export interface StatsLineProps {
+  useSession: SnapshotSelectorHook<ConversationSnapshot>
+  useProjection: UseProjection
+}
+
+export const StatsLine = memo(function StatsLine({ useSession, useProjection }: StatsLineProps) {
   const nodes = useSession(s => s.nodes)
+  const usage = useProjection('tokenUsage')
+  const pressure = useProjection('contextPressure')
   const stats = useMemo(() => deriveStats(nodes), [nodes])
-  if (stats.steps === 0) return null
   // Pipe-separated groups (figma stats strip); a group with no data drops out whole.
-  const groups: string[] = [`${stats.turns} turns · ${stats.steps} steps`]
-  const durations: string[] = []
-  if (stats.llmMs > 0) durations.push(`LLM ${formatDuration(stats.llmMs)}`)
-  if (stats.toolMs > 0) durations.push(`Tool call ${formatDuration(stats.toolMs)}`)
-  if (durations.length > 0) groups.push(durations.join(' · '))
-  if (stats.cacheHitPct !== null) groups.push(`Cache hit ${stats.cacheHitPct}%`)
-  groups.push(`Input ${formatTokens(stats.inputTokens)} tok · Output ${formatTokens(stats.outputTokens)} tok`)
+  const groups: string[] = []
+  if (stats.steps > 0) {
+    groups.push(`${stats.turns} turns · ${stats.steps} steps`)
+    const durations: string[] = []
+    if (stats.llmMs > 0) durations.push(`LLM ${formatDuration(stats.llmMs)}`)
+    if (stats.toolMs > 0) durations.push(`Tool call ${formatDuration(stats.toolMs)}`)
+    if (durations.length > 0) groups.push(durations.join(' · '))
+  }
+  const context = contextOccupancy(pressure)
+  if (context !== null) {
+    groups.push(`Context ${context.percent}% of ${formatTokens(context.contextWindow)}`)
+  }
+  // Billing rides the durable projection, so these survive paging and
+  // compaction. Suppress the empty projection on a brand-new session.
+  if (usage !== undefined
+    && (stats.steps > 0 || billedInputTokens(usage) > 0 || usage.outputTokens > 0)) {
+    const cacheHit = cacheHitPercent(usage)
+    if (cacheHit !== null) groups.push(`Cache hit ${cacheHit}%`)
+    groups.push(
+      `Input ${formatTokens(billedInputTokens(usage))} tok`
+      + ` · Output ${formatTokens(usage.outputTokens)} tok`,
+    )
+  }
+  if (groups.length === 0) return null
   return (
     <div className={css.root}>
       {groups.map((group, i) => (
diff --git a/packages/client/ui-conversation/src/client/chat/ToolRow.module.css b/packages/client/ui-conversation/src/client/chat/ToolRow.module.css
index e53b472c50..81e41b066f 100644
--- a/packages/client/ui-conversation/src/client/chat/ToolRow.module.css
+++ b/packages/client/ui-conversation/src/client/chat/ToolRow.module.css
@@ -56,6 +56,10 @@
   background: var(--dsw-alias-state-business-primary);
 }
 
+.chevron {
+  color: var(--dsw-alias-label-secondary);
+}
+
 .title {
   font-weight: 400;
 }
@@ -103,8 +107,65 @@
   text-decoration: underline;
 }
 
-/* Expanded body: pad-left 22 indented gray text, no border, no fill. */
-.body {
+/* Error row's collapsed summary: the failure's first line in the error color. */
+.errorSummary {
+  color: var(--dsw-alias-state-error-primary);
+}
+
+/* Expanded body + Inspect pill wrapper (sibling of .row: clicks never toggle). */
+.bodyWrap {
+  display: flex;
+  flex-direction: column;
+}
+
+/* Hover-revealed jump to the trajectory record: a small pill in real flow
+   under the expanded body's bottom-left corner (it reserves its line, so
+   revealing never shifts layout); revealed by hovering anywhere on the tool
+   call — title row included — or by keyboard focus. */
+.inspectButton {
+  display: inline-flex;
+  align-self: flex-start;
+  align-items: center;
+  gap: 4px;
+  margin: 4px 0 2px 4px;
+  padding: 2px 8px;
+  border: 1px solid var(--dsw-alias-border-l2);
+  border-radius: 999px;
+  /* Base background, not bg-overlay: the overlay token is a raised dark
+     surface and reads too heavy for a quiet in-flow affordance. */
+  background: var(--dsw-alias-bg-base);
+  color: var(--dsw-alias-label-secondary);
+  font-size: 11px;
+  line-height: 16px;
+  cursor: pointer;
+  opacity: 0;
+  transition: opacity 100ms ease;
+}
+
+.root:hover .inspectButton,
+.inspectButton:focus-visible {
+  opacity: 1;
+}
+
+/* Solid hover fill (a translucent token would let content bleed through). */
+.inspectButton:hover {
+  background: var(--dsw-alias-interactive-bg-hover-solid);
+  color: var(--dsw-alias-label-primary);
+}
+
+/* Expanded-body scroll wrapper for the run_code CodeBlock; the IN/OUT card
+   and the terminal card scroll INSIDE their own surface instead, so the
+   scrollbar sits within the rounded card. */
+.bodyScroll {
+  max-height: 260px;
+  overflow-y: auto;
+}
+
+/* Think expanded body: plain indented gray reasoning prose — no IN/OUT card
+   (the reasoning is not an input payload), pre-wrapped at the row's indent.
+   Uncapped: reasoning reads as message prose, so it flows with the page
+   instead of scrolling in a box. */
+.thinkBody {
   padding: 4px 0 4px 22px;
   font-size: 14px;
   line-height: 24px;
@@ -113,23 +174,130 @@
   color: var(--dsw-alias-label-tertiary);
 }
 
-/* The two block-shaped expanded bodies: the code variant's run_code program
-   through CodeBlock (shiki-highlighted TypeScript) and a terminal card's
-   command output through TerminalBlock. Both are drawn by the shared
-   primitive, so only the row's indentation is this file's concern — the margin
-   also replaces each primitive's own standalone vertical spacing with the
-   flow's row rhythm. */
-.codeBody,
-.terminalBody {
-  margin: 4px 0 4px 22px;
+/* Expanded input/output card (figma 1249:35657): the code-block surface and
+   radius from the TerminalBlock/CodeBlock family. The card itself is a plain
+   column — the padding and the IN/OUT gutter-label grid live on each section
+   so the divider spans the full card width and each section scrolls alone. */
+.ioCard {
+  display: flex;
+  flex-direction: column;
+  margin: 4px 0 4px 4px;
+  border: 1px solid var(--dsw-alias-border-l1);
+  border-radius: 12px;
+  background: var(--dsw-alias-markdown-code-block);
+  font: var(--dsw-font-markdown-code-block-small);
 }
 
-/* Indented to the body's own column so the description reads as the card's
-   heading rather than as another summary row, and sits tight against the card
-   below it. Its own rule: grouping it with a body would put description
-   typography on a `CodeBlock` wrapper and change that body's spacing. */
-.terminalDescription {
-  margin: 4px 0 0 22px;
-  color: var(--dsw-alias-label-secondary);
-  font: var(--dsw-font-xs-13);
+/* One card section (IN or OUT): the gutter-label grid, capped and scrolling
+   independently so a long input never buries a short output (and vice versa). */
+.ioSection {
+  display: grid;
+  grid-template-columns: max-content 1fr;
+  column-gap: 14px;
+  align-items: baseline;
+  padding: 12px 16px;
+  max-height: 150px;
+  overflow-y: auto;
+}
+
+/* Card-internal scrollbar: a 2px transparent border clips the thumb inward so
+   it floats off the rounded card edge instead of hugging it (the terminal
+   card's own output scroller carries the same treatment in TerminalBlock). */
+.ioSection::-webkit-scrollbar-thumb {
+  border: 2px solid transparent;
+  background-clip: padding-box;
+  border-radius: 6px;
+}
+
+/* Track end-margins keep the thumb's travel out of the rounded corners. */
+.ioSection::-webkit-scrollbar-track {
+  margin: 6px 0;
+}
+
+/* Caption (not tertiary): one step dimmer than the payload text so the
+   gutter labels read as labels, not as part of the content. Sticky against
+   the section's own scroll so the label stays readable while its payload
+   scrolls underneath (top 0 = the section's padding edge inside the
+   scrollport; start-aligned because sticky needs a block-start anchor). */
+.ioLabel {
+  position: sticky;
+  top: 0;
+  align-self: start;
+  color: var(--dsw-alias-label-caption);
+}
+
+/* l2 hairline between the IN and OUT sections, spanning the full card width
+   (it sits between the padded sections, not inside their grid). */
+.ioDivider {
+  flex: none;
+  height: 1px;
+  background: var(--dsw-alias-border-l2);
+}
+
+.ioText {
+  min-width: 0;
+  white-space: pre-wrap;
+  word-break: break-word;
+  color: var(--dsw-alias-label-secondary);
+}
+
+/* A failed call's OUT text shares the collapsed summary's error color. */
+.ioText[data-error] {
+  color: var(--dsw-alias-state-error-primary);
+}
+
+/* The block-shaped expanded bodies: the code variant's run_code program
+   through CodeBlock (shiki-highlighted TypeScript), a terminal card's command
+   output through TerminalBlock, a diff card through DiffBlock, a read card's
+   line-numbered window through ReadBlock, a search card's grouped matches or
+   path list through SearchBlock, and a web card's citation/source list through
+   WebBlock. All are drawn by the shared primitive, so only the row's
+   indentation is this file's concern — the margin also replaces each
+   primitive's own standalone vertical spacing with the flow's row rhythm. */
+.codeBody,
+.terminalBody,
+.diffBody,
+.readBody,
+.searchBody,
+.webBody {
+  margin: 4px 0 4px 4px;
+}
+
+/* The recovery footer for a capped search: the result text (its `Full … stored
+   at …` locator) below the card in the muted tone, since the card holds only the
+   retained rows. Same column indent as the card body. */
+.searchRecovery {
+  margin: 4px 0 4px 4px;
+  white-space: pre-wrap;
+  overflow-wrap: anywhere;
+  font: var(--dsw-font-xs-13);
+  color: var(--dsw-alias-label-tertiary);
+}
+
+/* In-row code renders at the smaller code size (12/18) via each primitive's
+   rebindable content-font seam; standalone markdown code blocks keep 13/22. */
+.codeBody {
+  --dsl-code-block-content-font: var(--dsw-font-markdown-code-block-small);
+}
+
+/* The terminal card scrolls its OUTPUT inside its own surface (same l1
+   hairline as the IN/OUT card): the banner stays pinned and the scrollbar
+   never rides over it. 224px = the 260px card cap minus the ~36px banner. */
+.terminalBody {
+  --dsl-terminal-font: var(--dsw-font-markdown-code-block-small);
+  --dsl-terminal-line-height: 18px;
+  --dsl-terminal-output-max-height: 224px;
+  border: 1px solid var(--dsw-alias-border-l1);
+}
+
+/* Visually hidden run-state label for assistive technology: the StateDot and
+   the running sweep are aria-hidden / colour-only, so the text carries the
+   running/failed/interrupted state to a screen reader. */
+.visuallyHidden {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  overflow: hidden;
+  clip: rect(0 0 0 0);
+  white-space: nowrap;
 }
diff --git a/packages/client/ui-conversation/src/client/chat/ToolRow.tsx b/packages/client/ui-conversation/src/client/chat/ToolRow.tsx
index 0be424a96b..46cdbda191 100644
--- a/packages/client/ui-conversation/src/client/chat/ToolRow.tsx
+++ b/packages/client/ui-conversation/src/client/chat/ToolRow.tsx
@@ -1,17 +1,36 @@
 // ToolRow: the single-line tool summary row (figma component set 122:9479) —
 // 16px leading slot (state dot / tool icon, chevron on hover or expanded) + title +
-// separator dot + FILL-truncated summary. The collapsed row is always one
-// line; the expanded body is indented gray text, the run_code program through
-// CodeBlock, or — for a call whose render intent is a terminal card — the
-// command's own output through TerminalBlock, capped at
-// CHAT_TERMINAL_MAX_LINES so the message flow stays scannable. Expand state is
-// component-local view state. File-tool summaries are path links that open
-// through the host; the row itself is not a details-panel control.
+// separator dot + FILL-truncated summary, drawn through the shared
+// DisclosureRow chrome with the whole row as the expand toggle (click /
+// Enter / Space, icon→chevron hover preview). The collapsed row is always
+// one line; every row with body, output, or a card material (terminal, diff,
+// read, search, web) is expandable; the summary stays inline while open,
+// except Think, whose body opens with the same first line and would repeat it.
+// The expanded body — an IN/OUT gutter-labeled card (figma 1249:35657) for
+// text input/output, the run_code program through CodeBlock, or a card
+// primitive (TerminalBlock, DiffBlock, ReadBlock, SearchBlock, WebBlock) for a
+// call that declared that render intent — lives in a max-height scroll
+// container so a long payload scrolls internally instead of taking over the
+// message flow; Think's prose is the exception and flows uncapped like message
+// text. Every card kind starts collapsed, so a run of tool calls stays
+// scannable; the details panel is the single-call full-height reading surface.
+// Expand state is component-local view state. File-tool summaries are path
+// links that open through the host (stopPropagation keeps the two gestures
+// independent); an error row's collapsed summary is the failure's first line in
+// the error color.
 
-import { useState, type MouseEvent, type ReactNode } from 'react'
-import { CodeBlock, StateDot, TerminalBlock } from '@deepseek-ai/dsh-client-ui-primitives'
+import { useState, type KeyboardEvent, type MouseEvent, type ReactNode } from 'react'
+import clsx from 'clsx'
+import {
+  CodeBlock, DiffBlock, ReadBlock, SearchBlock, StateDot, TerminalBlock, WebBlock,
+} from '@deepseek-ai/dsh-client-ui-primitives'
+import type { WebBlockProps } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { TranslateNS } from '@deepseek-ai/dsh-client-ui-slots'
-import { CHAT_TERMINAL_MAX_LINES, terminalBlockLabels, type TerminalCardModel } from '../contract/terminal-card-model.ts'
+import { CHAT_DIFF_MAX_LINES, type DiffCardModel } from '../contract/diff-card-model.ts'
+import { CHAT_READ_MAX_LINES, type ReadCardModel } from '../contract/read-card-model.ts'
+import { CHAT_SEARCH_MAX_LINES, type SearchCardModel } from '../contract/search-card-model.ts'
+import { CHAT_WEB_MAX_SOURCES } from '../contract/web-card-model.ts'
+import { terminalBlockLabels, type TerminalCardModel } from '../contract/terminal-card-model.ts'
 import type { ToolRowState, ToolRowVariant } from '../contract/tool-call-model.ts'
 import { DisclosureRow } from './DisclosureRow.tsx'
 import css from './ToolRow.module.css'
@@ -26,18 +45,44 @@ export interface ToolRowProps {
   icon: ReactNode
   title: string
   summary: string
-  /** Expanded-body text; null = no text body (`terminal` is the other body source). */
+  /** Expanded-body input text; null = no input section. */
   body: string | null
+  /** Flattened result text for the expanded Output section; null/absent = no output section. */
+  output?: string | null | undefined
+  /** Error first line shown as the collapsed summary on an error row; null/absent = keep `summary`. */
+  errorSummary?: string | null | undefined
   /**
    * Terminal-card material for a call whose render intent is a terminal card
-   * (derived by `terminalCardModel`); it replaces the text body when present.
-   * Null or absent leaves the text body, and a row with neither is not
-   * expandable (its leading slot never toggles).
+   * (derived by `terminalCardModel`); it replaces the text sections when
+   * present. A call carries at most one card kind, so the card props below are
+   * mutually exclusive.
    */
   terminal?: TerminalCardModel | null | undefined
+  /**
+   * Diff-card material for a call whose render intent is a diff card (derived by
+   * `diffCardModel`); it replaces the text body when present, the same way
+   * `terminal` does.
+   */
+  diff?: DiffCardModel | null | undefined
+  /**
+   * Read-card material for a call whose render intent is a read card (derived by
+   * `readCardModel`); it replaces the text body with the file's line-numbered,
+   * syntax-highlighted window when present.
+   */
+  read?: ReadCardModel | null | undefined
+  /**
+   * Search-card material for a call whose render intent is a search card
+   * (derived by `searchCardModel`); it replaces the text body with grouped
+   * matches or a path list when present.
+   */
+  search?: SearchCardModel | null | undefined
+  /**
+   * Web-card material for a call whose render intent is a web card (derived by
+   * `webCardModel`); it replaces the text body with the retrieval's citation
+   * list or fetched-source card when present.
+   */
+  web?: WebBlockProps | null | undefined
   state: ToolRowState
-  /** Makes the row itself the expand control instead of only its leading icon. */
-  expandOnRowClick?: boolean | undefined
   /**
    * Filesystem path from tool args; when set with onOpenFile, the summary
    * renders as a hover-underline link that opens the host default app.
@@ -45,6 +90,21 @@ export interface ToolRowProps {
   filePath?: string | undefined
   /** Open the path with the host OS default application (already cwd-resolved). */
   onOpenFile?: ((path: string) => void) | undefined
+  /**
+   * Jump to this call in the trajectory view: a hover-revealed Inspect pill
+   * over the expanded body. Absent = no affordance (rows without a call
+   * identity, like Think).
+   */
+  inspect?: (() => void) | undefined
+}
+
+/** The Inspect pill's code glyph (user-supplied 16×16), fill follows text color. */
+function IconInspect() {
+  return (
+    <svg width="12" height="12" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg" aria-hidden>
+      <path d="M16 8L10.8571 12V10.552L14.1383 8L10.8571 5.448V4L16 8ZM5.14286 10.552L1.86171 8L5.14286 5.448V4L0 8L5.14286 12V10.552ZM9.02514 4L5.59657 12H6.84057L10.2691 4H9.02514Z" fill="currentColor" />
+    </svg>
+  )
 }
 
 /** Leading-slot state substitution: the tool icon yields to the terminal state
@@ -58,6 +118,19 @@ function leadingFor(state: ToolRowState, icon: ReactNode): ReactNode {
   }
 }
 
+/** Visually hidden run-state label: the StateDot and the CSS sweep are both
+ *  aria-hidden / colour-only, so assistive technology needs this text to know a
+ *  row is running, failed, or interrupted. null in the ok state (the icon and
+ *  summary already describe a settled row). */
+function stateStatus(state: ToolRowState, t: TranslateNS<'conversation'>): string | null {
+  switch (state) {
+    case 'running': return t('row.running')
+    case 'error': return t('row.failed')
+    case 'stopped': return t('row.stopped')
+    default: return null
+  }
+}
+
 export function ToolRow({
   t,
   variant,
@@ -66,26 +139,40 @@ export function ToolRow({
   title,
   summary,
   body,
+  output,
+  errorSummary,
   terminal,
+  diff,
+  read,
+  search,
+  web,
   state,
-  expandOnRowClick = false,
   filePath,
   onOpenFile,
+  inspect,
 }: ToolRowProps) {
   const [expanded, setExpanded] = useState(false)
   const terminalBody = terminal ?? null
-  // A row that names a single file keeps one interaction (open that path);
-  // args expand is off whether or not the open callback is wired yet. Terminal
-  // material still expands: only the file variants carry a path, so a terminal
-  // card and a file link never land on the same row.
-  const singleFile = filePath !== undefined
-  const fileLink = singleFile && onOpenFile !== undefined
-  const expandable = (body !== null && !singleFile) || terminalBody !== null
-  // The text arms take the empty string for a null body: a row expandable
-  // only through its terminal material renders the terminal body instead, so
-  // this substitution never shows.
-  const text = body ?? ''
+  const diffBody = diff ?? null
+  const readBody = read ?? null
+  const searchBody = search ?? null
+  const webBody = web ?? null
+  const outputText = output ?? null
+  // A card replaces the text body; a call carries at most one card kind, so the
+  // card props are mutually exclusive. Any of them, or a text body/output,
+  // makes the row expandable.
+  const card = terminalBody ?? diffBody ?? readBody ?? searchBody ?? webBody
+  const expandable = body !== null || outputText !== null || card !== null
   const open = expanded && expandable
+  // The run-state label AT needs: the StateDot and the running sweep are both
+  // aria-hidden / colour-only, so a stopped or running row is otherwise silent.
+  const status = stateStatus(state, t)
+  // An error row's collapsed summary IS the failure: the first error line in
+  // the error color outranks both the args summary and a terminal description.
+  const failureLine = state === 'error' ? errorSummary ?? null : null
+  const summaryText = failureLine ?? summary
+  // The failure line is error prose, not the path: no open-file affordance.
+  const fileLink = filePath !== undefined && onOpenFile !== undefined && failureLine === null
   const toggleExpand = () => {
     setExpanded(v => !v)
   }
@@ -93,20 +180,41 @@ export function ToolRow({
     event.stopPropagation()
     if (filePath !== undefined) onOpenFile?.(filePath)
   }
+  // Keep Enter/Space on the focused path link from bubbling to the row's
+  // keydown handler, which would preventDefault() the key and toggle expand
+  // instead of activating the link — the keyboard analogue of openFile's
+  // stopPropagation. The native button still fires its own onClick from the key.
+  const fileLinkKeyDown = (event: KeyboardEvent<HTMLButtonElement>) => {
+    if (event.key === 'Enter' || event.key === ' ') event.stopPropagation()
+  }
+  // Think reasoning is prose, not an input payload: expanded, it renders as
+  // plain indented text (no IN/OUT card) and the inline summary — the body's
+  // own first line — yields to avoid repeating itself.
+  const isThink = variant === 'think'
+  // The code variant's program renders through CodeBlock (shiki), so only its
+  // output joins the IN/OUT card; every other variant's input does too.
+  const cardBody = variant === 'code' ? null : body
+  // The state substitution rides the idle icon slot, so an expandable error
+  // row keeps DisclosureRow's icon→chevron hover preview (its default) instead
+  // of losing it with the icon.
   return (
     <div className={css.root} data-variant={variant} data-tool={toolName} data-state={state}>
+      {status !== null && <span className={css.visuallyHidden}>{status}</span>}
       <DisclosureRow
         rowClassName={css.row}
         leadingClassName={css.leading}
         titleClassName={css.title}
+        chevronClassName={css.chevron}
         icon={leadingFor(state, icon)}
         title={title}
         open={open}
         expandable={expandable}
-        expandOnRowClick={expandOnRowClick}
-        previewChevron={expandable && state !== 'error' && state !== 'stopped'}
+        expandOnRowClick
+        keepContentWhenOpen={!isThink}
         onToggle={toggleExpand}
-        collapsedContent={(
+        collapsedContent={summaryText !== '' && (
+          /* An empty summary drops the separator with it (a row that is only
+             its title shows no trailing dot). */
           <>
             <span className={css.sep} aria-hidden />
             {fileLink ? (
@@ -114,32 +222,90 @@ export function ToolRow({
                 type="button"
                 className={css.fileLink}
                 onClick={openFile}
+                onKeyDown={fileLinkKeyDown}
               >
-                {summary}
+                {summaryText}
               </button>
             ) : (
-              <span className={css.summary}>{summary}</span>
+              <span className={clsx(css.summary, failureLine !== null && css.errorSummary)}>
+                {summaryText}
+              </span>
             )}
           </>
         )}
       >
-        {/* The terminal presenter's description belongs above the card per
-            the render-intent contract. */}
-        {terminalBody?.description !== undefined && (
-          <div className={css.terminalDescription}>{terminalBody.description}</div>
-        )}
-        {terminalBody !== null
-          ? (
-            <TerminalBlock
-              {...terminalBody.card}
-              maxLines={CHAT_TERMINAL_MAX_LINES}
-              labels={terminalBlockLabels(t)}
-              className={css.terminalBody}
-            />
-          )
-          : variant === 'code'
-            ? <CodeBlock code={text} lang="typescript" copyLabel={t('copy')} copiedLabel={t('copied')} className={css.codeBody} />
-            : <div className={css.body}>{text}</div>}
+        {/* The wrapper (sibling of the header row, so clicks inside never
+            toggle it) carries the expanded body and the Inspect pill below. */}
+        <div className={css.bodyWrap}>
+          {terminalBody !== null
+            ? (
+              <TerminalBlock
+                {...terminalBody.card}
+                maxLines={Infinity}
+                labels={terminalBlockLabels(t)}
+                className={css.terminalBody}
+              />
+            )
+            : diffBody !== null
+              ? <DiffBlock {...diffBody.card} maxLines={CHAT_DIFF_MAX_LINES} className={css.diffBody} />
+              : readBody !== null
+                ? <ReadBlock {...readBody} maxLines={CHAT_READ_MAX_LINES} className={css.readBody} />
+                : searchBody !== null
+                  ? (
+                    <>
+                      <SearchBlock {...searchBody.card} maxLines={CHAT_SEARCH_MAX_LINES} className={css.searchBody} />
+                      {/* A capped search's recovery locator lives only in the result
+                          text; show it below the card so the dropped rows survive. */}
+                      {searchBody.recovery !== undefined && (
+                        <div className={css.searchRecovery}>{searchBody.recovery}</div>
+                      )}
+                    </>
+                  )
+                  : webBody !== null
+                    ? <WebBlock {...webBody} maxSources={CHAT_WEB_MAX_SOURCES} className={css.webBody} />
+                    : isThink
+                      ? <div className={css.thinkBody}>{body}</div>
+                      : (
+                        <>
+                          {variant === 'code' && body !== null && (
+                            <div className={css.bodyScroll}>
+                              <CodeBlock code={body} lang="typescript" copyLabel={t('copy')} copiedLabel={t('copied')} className={css.codeBody} />
+                            </div>
+                          )}
+                          {(cardBody !== null || outputText !== null) && (
+                            <div className={css.ioCard}>
+                              {cardBody !== null && (
+                                <div className={css.ioSection}>
+                                  <span className={css.ioLabel}>IN</span>
+                                  <span className={css.ioText}>{cardBody}</span>
+                                </div>
+                              )}
+                              {cardBody !== null && outputText !== null && (
+                                <span className={css.ioDivider} aria-hidden />
+                              )}
+                              {outputText !== null && (
+                                <div className={css.ioSection}>
+                                  <span className={css.ioLabel}>OUT</span>
+                                  <span className={css.ioText} data-error={state === 'error' || undefined}>
+                                    {outputText}
+                                  </span>
+                                </div>
+                              )}
+                            </div>
+                          )}
+                        </>
+                      )}
+          {inspect !== undefined && (
+            <button
+              type="button"
+              className={css.inspectButton}
+              onClick={inspect}
+            >
+              <IconInspect />
+              Inspect
+            </button>
+          )}
+        </div>
       </DisclosureRow>
     </div>
   )
diff --git a/packages/client/ui-conversation/src/client/chat/chat-flow.ts b/packages/client/ui-conversation/src/client/chat/chat-flow.ts
index ad98d3aaad..4958894154 100644
--- a/packages/client/ui-conversation/src/client/chat/chat-flow.ts
+++ b/packages/client/ui-conversation/src/client/chat/chat-flow.ts
@@ -1,7 +1,8 @@
 /**
  * Chat flow derivation: ConversationSnapshot nodes -> render items. Tool
  * results group into consecutive-run tool groups (figma step-summary flow,
- * VERTICAL gap10) alternating with narration; everything else passes through.
+ * VERTICAL gap10) alternating with narration. Consecutive retry notices
+ * reuse the first notice's row while projecting the latest retry turn.
  * Item identity keys are stable across snapshots so the list parent can
  * subscribe to keys only while rows subscribe to content. IconActions ownership
  * (last content assistant per turn) is derived here too so ChatView and the
@@ -48,8 +49,8 @@ export function assistantActionsSeqs(nodes: readonly ConversationNode[]): Readon
 
 /**
  * Group finalized nodes into the step-summary flow.
- * @param nodes - snapshot nodes (surface order).
- * @returns flow items; consecutive tool-results merged into one group keyed by the first seq.
+ * @param nodes - snapshot nodes in human-transcript and durable-notice order.
+ * @returns flow items; consecutive tool results group and retry notices reuse their first key.
  */
 export function deriveChatFlow(nodes: readonly ConversationNode[]): ChatFlowItem[] {
   const items: ChatFlowItem[] = []
@@ -63,6 +64,17 @@ export function deriveChatFlow(nodes: readonly ConversationNode[]): ChatFlowItem
       } else {
         group.push(node)
       }
+    } else if (node.kind === 'model-retry') {
+      group = null
+      const previous = items[items.length - 1]
+      if (
+        previous?.kind === 'node'
+        && previous.node.kind === 'model-retry'
+      ) {
+        items[items.length - 1] = { ...previous, node }
+      } else {
+        items.push({ kind: 'node', key: `n${node.seq}`, node })
+      }
     } else {
       group = null
       items.push({ kind: 'node', key: `n${node.seq}`, node })
diff --git a/packages/client/ui-conversation/src/client/contract/diff-card-model.ts b/packages/client/ui-conversation/src/client/contract/diff-card-model.ts
new file mode 100644
index 0000000000..bc914e4820
--- /dev/null
+++ b/packages/client/ui-conversation/src/client/contract/diff-card-model.ts
@@ -0,0 +1,100 @@
+/**
+ * Pure derivation of the diff-card props from a frozen call slice: the
+ * `card:'diff'` render intent the write/edit tools declare arrives on the
+ * snapshot as `callView`/`resultView`, and this is the one place that turns
+ * that pair into what {@link DiffBlock} draws. Both conversation render sites
+ * (the chat tool row's expanded body and the details panel's Output section)
+ * call this, so the hunks they show are derived once.
+ * @module
+ */
+import type { DiffBlockProps, DiffHunk } from '@deepseek-ai/dsh-client-ui-primitives'
+import type { ToolCallBlock } from './tool-call-model.ts'
+
+/**
+ * Diff-body lines the chat row shows before collapsing the middle — half the
+ * primitive's own default, which the details panel keeps. A chat row is a
+ * summary surface inside the message flow: the flow must stay scannable across
+ * many calls, while the details panel is the single-call reading surface. The
+ * same split {@link CHAT_TERMINAL_MAX_LINES} draws for a terminal card, so the
+ * two card kinds cap a long body at the same place in the flow. A design
+ * constant of this UI's row geometry, not a deployment choice.
+ */
+export const CHAT_DIFF_MAX_LINES = 8
+
+/**
+ * The {@link DiffBlock} props this derivation owns. Picked off the primitive's
+ * props so the two stay in step; `maxLines`/`className` belong to each render
+ * site.
+ */
+export interface DiffCardModel {
+  /**
+   * The props {@link DiffBlock} draws. Held as a nested object so a render site
+   * spreads exactly the primitive's own surface and can never leak a
+   * neighbouring field into it.
+   */
+  card: Pick<DiffBlockProps, 'diffs'>
+}
+
+/**
+ * Narrow a wire `card:'diff'` view's `diffs` to well-formed hunks. The event
+ * view crosses the wire and `toolEventViewSchema` validates only the `card`
+ * string, so a version mismatch or an anomalous plugin can deliver a `diff` card
+ * whose `diffs` is absent, not an array, or carries malformed hunks. Returning
+ * null for any of those routes the block to the generic path instead of letting
+ * DiffBlock's `for...of`/`split` throw and crash the row or the details panel.
+ * @param diffs - the view's `diffs` field, unverified.
+ * @returns the validated hunks, or null when the payload is not usable.
+ */
+function narrowDiffs(diffs: unknown): DiffHunk[] | null {
+  if (!Array.isArray(diffs) || diffs.length === 0) return null
+  const out: DiffHunk[] = []
+  for (const hunk of diffs) {
+    if (typeof hunk !== 'object' || hunk === null) return null
+    const { path, oldText, newText } = hunk as Record<string, unknown>
+    if (typeof path !== 'string') return null
+    if (oldText !== null && typeof oldText !== 'string') return null
+    if (typeof newText !== 'string') return null
+    out.push({ path, oldText, newText })
+  }
+  return out
+}
+
+/**
+ * Derive the diff-card props for a tool call, or null when this call is not a
+ * diff card and belongs on the generic path.
+ *
+ * The result side is authoritative once the call settles: the write/edit tools
+ * return the applied contextual hunks there (an edit's real before/after, a
+ * create's whole-file diff), which replace the call-time diff derived from the
+ * arguments alone. While the call is still running only the call side exists,
+ * so a running write/edit shows its intended change. Null is the documented
+ * generic-card default and covers every non-diff card — including a `card`
+ * value this UI version does not know, which arrives over the wire and cannot
+ * be trusted to be one of the compiled variants — and a settled call whose
+ * result view is generic (how write/edit keep their execution errors on the
+ * generic path).
+ *
+ * This derivation consumes only `diffs`; the render intent's `title` field is
+ * deliberately dropped. The row supplies its own title (`Edit`/`Write · path`
+ * from the args) and that outranks the view's `title`, matching the TUI diff
+ * branch, which likewise draws no view title. A tool that names its own diff
+ * header therefore does not surface that text on the Web row — an accepted
+ * product choice, recorded here as the one asymmetry with the terminal card,
+ * whose derivation does consume the view's title.
+ * @param block - RunningToolCall or ToolResultNode off the snapshot caches.
+ * @returns the diff-card props, or null for the generic path.
+ */
+export function diffCardModel(block: ToolCallBlock): DiffCardModel | null {
+  if (!('kind' in block)) {
+    // Running: the call view may carry the intended diff; the result is absent.
+    const call = block.callView?.card === 'diff' ? block.callView : null
+    const diffs = call === null ? null : narrowDiffs(call.diffs)
+    return diffs === null ? null : { card: { diffs } }
+  }
+  // Settled: the result view's applied hunks replace the call-time diff. A
+  // window that dropped the call head leaves only the result, which still
+  // renders — the result view carries the whole change.
+  const result = block.resultView?.card === 'diff' ? block.resultView : null
+  const diffs = result === null ? null : narrowDiffs(result.diffs)
+  return diffs === null ? null : { card: { diffs } }
+}
diff --git a/packages/client/ui-conversation/src/client/contract/read-card-model.ts b/packages/client/ui-conversation/src/client/contract/read-card-model.ts
new file mode 100644
index 0000000000..62a591bb17
--- /dev/null
+++ b/packages/client/ui-conversation/src/client/contract/read-card-model.ts
@@ -0,0 +1,76 @@
+/**
+ * Pure derivation of the read-card props from a frozen call slice: the
+ * `card:'read'` render intent the read tool declares arrives on the snapshot as
+ * the settled result node's `resultView`, and this is the one place that turns
+ * it into what {@link ReadBlock} draws. Both conversation render sites (the chat
+ * tool row's resident body and the details panel's Output section) call this, so
+ * the path, lines, total, and language they show are derived once.
+ *
+ * The read card is result-side only ([read card note](../../../../../../.agents/notes/implemented/feature/2026-07-30-web-read-card.md)):
+ * a call carries no file content until `execute` returns, so the pending call
+ * stays a generic card (`kind: 'read'`). A running read therefore has no read
+ * card, and this returns null for it — the row keeps its args-derived summary
+ * until the result arrives.
+ * @module
+ */
+import type { ReadBlockLine, ReadBlockProps } from '@deepseek-ai/dsh-client-ui-primitives'
+import { relativizeToCwd, type ToolCallBlock } from './tool-call-model.ts'
+
+/**
+ * Content lines the chat row's resident read body shows before collapsing the
+ * middle — half the primitive's own default, which the details panel keeps. A
+ * chat row is a summary surface inside the message flow: the flow must stay
+ * scannable across many calls, while the details panel is the single-call
+ * reading surface. A design constant of this UI's row geometry, not a
+ * deployment choice, so it is fixed here rather than a plugin Config field. The
+ * same split [`CHAT_TERMINAL_MAX_LINES`](./terminal-card-model.ts) draws for
+ * terminal output.
+ */
+export const CHAT_READ_MAX_LINES = 8
+
+/**
+ * The {@link ReadBlock} props this derivation owns. Picked off the primitive's
+ * props so the two stay in step; `maxLines`/`className` belong to each render
+ * site.
+ */
+export type ReadCardModel = Pick<ReadBlockProps, 'label' | 'lines' | 'totalLines' | 'lang'>
+
+/**
+ * Derive the read-card props for a tool call, or null when this call is not a
+ * read card and belongs on the generic path.
+ *
+ * The read card is result-side only, so only a settled call whose result view
+ * declares `card:'read'` produces one. Every other case is null — the
+ * documented generic-card default:
+ *
+ * - A running call: it has no result view yet, and a read carries no content at
+ *   call time.
+ * - A settled call whose result view is not a read card — including a `card`
+ *   value this UI version does not know, which arrives over the wire and cannot
+ *   be trusted to be one of the compiled variants, and the read tool's own
+ *   generic fallback for an error result or a non-envelope body.
+ *
+ * The label is the read view's `title` when the tool supplied one (the
+ * presentation contract's replacement-title rule), otherwise the file path
+ * relativized to the session workspace so a workspace-rooted absolute path
+ * displays the same short form the row summary shows.
+ * @param block - RunningToolCall or ToolResultNode off the snapshot caches.
+ * @param sessionCwd - the session workspace root; a workspace-rooted absolute
+ *   path label displays relative to it. Absent leaves the path as authored.
+ * @returns the read-card props, or null for the generic path.
+ */
+export function readCardModel(block: ToolCallBlock, sessionCwd?: string): ReadCardModel | null {
+  // Running has no result view; a read carries no content until execute returns.
+  if (!('kind' in block)) return null
+  const result = block.resultView?.card === 'read' ? block.resultView : null
+  if (result === null) return null
+  // Lines arrive frozen off the snapshot; copy into the primitive's own line
+  // shape so the card never holds a reference into the runtime's cache.
+  const lines: ReadBlockLine[] = result.lines.map(line => ({ number: line.number, text: line.text }))
+  return {
+    label: result.title ?? relativizeToCwd(result.path, sessionCwd),
+    lines,
+    totalLines: result.totalLines,
+    lang: result.lang,
+  }
+}
diff --git a/packages/client/ui-conversation/src/client/contract/search-card-model.ts b/packages/client/ui-conversation/src/client/contract/search-card-model.ts
new file mode 100644
index 0000000000..08d6389686
--- /dev/null
+++ b/packages/client/ui-conversation/src/client/contract/search-card-model.ts
@@ -0,0 +1,159 @@
+/**
+ * Pure derivation of the search-card props from a frozen call slice: the
+ * `card:'search'` render intent the `grep` and `glob` tools declare arrives on
+ * the snapshot as `resultView`, and this is the one place that turns it into
+ * what {@link SearchBlock} draws. Both conversation render sites (the chat tool
+ * row's resident body and the details panel's Output section) call this, so the
+ * grouped matches or the path list they show are derived once.
+ *
+ * The search card is result-time only: a search call has no matches or paths
+ * before `execute`, so its pending state stays a `GenericCallView`
+ * ({@link module:@deepseek-ai/dsh-tools/src/presentation}). This derivation
+ * therefore reads only `resultView` and returns null for a still-running call,
+ * unlike the terminal card whose call view carries the command before
+ * execution.
+ *
+ * A capped result also carries a recovery locator (grep/glob's `Full … stored
+ * at …` footer) in the raw `tool/result` content, not in the structured
+ * matches/paths the view carries. Since both render sites replace that raw
+ * result with the card, this derivation surfaces the block's own result text as
+ * {@link SearchCardModel.recovery} so the one path to the dropped rows is not
+ * lost.
+ * @module
+ */
+import type { SearchBlockProps, SearchFileGroup } from '@deepseek-ai/dsh-client-ui-primitives'
+import type { ToolCallBlock } from './tool-call-model.ts'
+
+/**
+ * Distributive `Omit`: a plain `Omit<A | B, K>` keeps only the keys common to
+ * both members, which would drop the `files`/`paths` discriminated fields.
+ * Distributing over the naked type parameter `T` preserves each shape.
+ */
+type DistributiveOmit<T, K extends keyof T> = T extends unknown ? Omit<T, K> : never
+
+/** The {@link SearchBlockProps} union minus each render site's own fields. */
+type SearchBlockModelProps = DistributiveOmit<SearchBlockProps, 'maxLines' | 'className'>
+
+/**
+ * Result rows the chat row's resident search body shows before collapsing the
+ * middle — half the primitive's own default, which the details panel keeps. A
+ * chat row is a summary surface inside the message flow: the flow must stay
+ * scannable across many calls, while the details panel is the single-call
+ * reading surface. A design constant of this UI's row geometry, not a
+ * deployment choice, so it is fixed here rather than a plugin Config field.
+ */
+export const CHAT_SEARCH_MAX_LINES = 8
+
+/**
+ * The {@link SearchBlock} props this derivation owns. Held as a nested object
+ * (`card`) so a render site spreads exactly the primitive's own surface and can
+ * never leak a neighbouring field into it. `maxLines`/`className` belong to each
+ * render site.
+ */
+export interface SearchCardModel {
+  /**
+   * The props {@link SearchBlock} draws, minus each render site's own
+   * `maxLines`/`className`.
+   */
+  card: SearchBlockModelProps
+  /**
+   * The result view's replacement title, which the presentation contract lets a
+   * search tool set at settle time. Absent when the presenter supplied none; a
+   * row then keeps its args-derived summary.
+   */
+  title: string | undefined
+  /**
+   * The raw `tool/result` text, flattened, surfaced only when the search was
+   * capped. The card renders the retained matches or paths, but the recovery
+   * locator a capped result carries — grep/glob's `Full … stored at: <locator>`
+   * footer, the one way to reach the rows the cap dropped — lives only in the raw
+   * result text, which the card replaces. A UI that shows the card would
+   * otherwise lose it. Absent when the result was not capped (the card holds
+   * every result) or the block carries no text.
+   */
+  recovery: string | undefined
+}
+
+/**
+ * Whether every file group in a matches view is structurally valid: the wire
+ * frame carries `shape` and `card` as strings the host schema checks, but not the
+ * grouped shape, so a version mismatch or loose producer could deliver
+ * `shape: 'matches'` with a missing or malformed `files`. Rendering that would
+ * crash {@link SearchBlock} at `.reduce`/`.map`; an invalid shape falls to the
+ * generic path instead.
+ * @param files - the candidate `files` field off the untrusted result view.
+ * @returns whether `files` is a valid {@link SearchFileGroup} array.
+ */
+function isValidFiles(files: unknown): files is SearchFileGroup[] {
+  return Array.isArray(files) && files.every(file =>
+    typeof file === 'object' && file !== null
+    && typeof (file as { path?: unknown }).path === 'string'
+    && Array.isArray((file as { matches?: unknown }).matches)
+    && (file as { matches: unknown[] }).matches.every(match =>
+      typeof match === 'object' && match !== null
+      && typeof (match as { lineNumber?: unknown }).lineNumber === 'number'
+      && typeof (match as { line?: unknown }).line === 'string'))
+}
+
+/**
+ * Flatten a settled tool result's content blocks to their text, joined by
+ * newlines. The search view carries no result text — a UI without a card falls
+ * back to the raw `tool/result` content — so the truncation recovery footer is
+ * read from the block's own content here. Non-text blocks (a search result
+ * carries none) are skipped.
+ * @param content - the result node's content blocks.
+ * @returns the joined text, or undefined when empty.
+ */
+function flattenContent(content: readonly { type: string; text?: string }[]): string | undefined {
+  const text = content
+    .filter((block): block is { type: 'text'; text: string } => block.type === 'text' && typeof block.text === 'string')
+    .map(block => block.text)
+    .join('\n')
+  return text === '' ? undefined : text
+}
+
+/**
+ * Derive the search-card props for a tool call, or null when this call is not a
+ * search card and belongs on the generic path.
+ *
+ * Only the result side matters: the search card carries no call-time state, so
+ * a still-running call (no result view) is null, as is a settled call whose
+ * result view is not a search card — including a `card` value this UI version
+ * does not know, which arrives over the wire and cannot be trusted to be one of
+ * the compiled variants, a `card: 'search'` view whose `shape` is neither
+ * `matches` nor `paths` (equally untrusted wire data), and a generic result a
+ * `grep`/`glob` failure or nested `run_code` dispatch produces (its text keeps
+ * the generic path).
+ * @param block - RunningToolCall or ToolResultNode off the snapshot caches.
+ * @returns the search-card props, or null for the generic path.
+ */
+export function searchCardModel(block: ToolCallBlock): SearchCardModel | null {
+  // Running: no result view exists yet, and a search card is result-only.
+  if (!('kind' in block)) return null
+  const result = block.resultView?.card === 'search' ? block.resultView : null
+  if (result === null) return null
+  const common = { truncated: result.truncated, total: result.total }
+  // The recovery footer only matters when the tool capped the result: an
+  // uncapped card holds every match/path, so the raw text adds nothing the card
+  // does not already show. When capped, the raw result's `Full … stored at …`
+  // locator is the only path to the dropped rows, so surface it.
+  const recovery = result.truncated ? flattenContent(block.content) : undefined
+  if (result.shape === 'matches') {
+    // `files` rides the untrusted wire frame: the host schema checks `card`/`shape`
+    // strings but not the grouped shape, so validate it before SearchBlock, which
+    // would crash on a missing/malformed `files`. An invalid shape falls to generic.
+    if (!isValidFiles(result.files)) return null
+    return { title: result.title, recovery, card: { kind: 'matches', files: result.files, ...common } }
+  }
+  // `shape` rides the same untrusted wire frame as `card`, so a version mismatch
+  // or a loose protocol producer could deliver a `card: 'search'` subtype this
+  // client does not compile. Guard the paths shape explicitly: an unknown shape
+  // falls to the generic path rather than being rendered as a paths card, which
+  // would leave SearchBlock calling `.length`/`.map` on an absent `paths`.
+  // oxlint-disable-next-line typescript/no-unnecessary-condition -- shape is wire data; the compiled union cannot prove this exhaustive.
+  if (result.shape !== 'paths') return null
+  // `paths` is likewise unchecked by the wire schema; a known shape with a
+  // missing/malformed array would crash the paths card at `.map`.
+  if (!Array.isArray(result.paths) || !result.paths.every((path): path is string => typeof path === 'string')) return null
+  return { title: result.title, recovery, card: { kind: 'paths', paths: result.paths, ...common } }
+}
diff --git a/packages/client/ui-conversation/src/client/contract/slots.ts b/packages/client/ui-conversation/src/client/contract/slots.ts
index bb9c540fbb..555a6b8e4f 100644
--- a/packages/client/ui-conversation/src/client/contract/slots.ts
+++ b/packages/client/ui-conversation/src/client/contract/slots.ts
@@ -3,9 +3,9 @@ import type { ReactNode, RefObject } from 'react'
 import type {
   InjectFace, MaybeSnapshotSelectorHook, PropsLocale, PropsRenderSlots, PropsRuntime, PropsStore, SnapshotSelectorHook,
 } from '@deepseek-ai/dsh-client-ui-slots'
-import type { CommandNode, ConversationSnapshot, ObservableSnapshot, PendingInteraction, PendingWait, SessionId, ToolCallBlock, WorkspaceId } from '@deepseek-ai/dsh-client-runtime/client'
+import type { CommandNode, ConversationSnapshot, ObservableSnapshot, PendingInteraction, PendingWait, ToolCallBlock, WorkspaceId } from '@deepseek-ai/dsh-client-runtime/client'
 import type {} from '@deepseek-ai/dsh-client-ui-layout/client'
-import type { ComposerKeyboard, InputActions, InputNotice, InputState } from '../input/contract.ts'
+import type { ComposerKeyboard, EditSelection, InputActions, InputNotice, InputState } from '../input/contract.ts'
 import type { createChatStore } from '../stores.ts'
 import type { CallId, SelectionTarget, ViewTab } from './views.ts'
 
@@ -147,13 +147,17 @@ export interface InputZone {
 }
 
 /**
- * View-slot owner share: deliberately empty — ConversationRoot supplies
- * nothing at its renderSlot site (sessionId and the snapshot hook arrive as
+ * View-slot owner share: the cross-view inspect handoff (otherwise views need
+ * nothing from the render site — sessionId and the snapshot hook arrive as
  * framework-standard props; tool rows go through each view's own declared
- * toolview hole). Kept as the named owner seat so a future cross-view
- * payload has a home.
+ * toolview hole).
  */
-export interface ConvViewOwnerProps {}
+export interface ConvViewOwnerProps {
+  /** One-shot inspect request from another view (chat's Inspect button); null when idle. */
+  inspect?: { callId: CallId } | null
+  /** Acknowledge the inspect request once applied (clears the store field). */
+  onInspectDone?: () => void
+}
 
 /**
  * Owner share of a per-view toolview slot: the call material the rendering
@@ -176,6 +180,11 @@ export interface ToolRowOwnerProps {
    * The chat view resolves relative paths against the session cwd.
    */
   openFile: (path: string) => void
+  /**
+   * Jump to this call's record in the trajectory view (the expanded row's
+   * hover Inspect affordance). Undefined when no trajectory jump is wired.
+   */
+  inspect?: (() => void) | undefined
 }
 
 /**
@@ -235,8 +244,6 @@ export interface ConversationSessionInjected {
   }
   /** Bind the input machine's draft persistence mirror to the session store. */
   bindDraftMirror: (write: (text: string) => void) => () => void
-  /** Select a real Session through the runtime navigation owner. */
-  open: (sessionId: SessionId) => void
 }
 
 /**
@@ -265,14 +272,14 @@ export interface ComposerBarOwnerProps {
   rightItems?: ReactNode
   /** composer.dock entries (stats line), rendered under the card inside the bar's width column. */
   footer?: ReactNode
-  onAdd?: () => void
-  addLabel?: string
 }
 
 /** Injected share of the composer-bar entry (package-internal faces). */
 export interface ComposerBarInjected {
   /** The InputBar-exclusive keyboard/DOM command face (decision 20 private plane); absent with the session. */
   keyboard: ComposerKeyboard | undefined
+  /** Toggle the shared slash menu with only its command source; absent without ui-slash or a session. */
+  toggleCommandMenu: ((selection: EditSelection) => void) | undefined
   /** Cancel the in-flight turn; absent with the session. */
   stop: (() => void) | undefined
   /**
@@ -292,6 +299,8 @@ export interface ComposerBarInjected {
     notices: ObservableSnapshot<InputNotice | null>
     /** Hot plain-text reference lexicon for the decoration scan (decision 21). */
     lexicon: ObservableSnapshot<ReadonlyMap<'/' | '@', readonly string[]>>
+    /** Source name opened by the programmatic menu launcher, or null. */
+    menuLauncher: ObservableSnapshot<string | null>
   }
 }
 
@@ -344,7 +353,6 @@ export type ConversationSessionSlotProps =
   & PropsRenderSlots<'conversation.view'>
   & PropsStore<ChatStore>
   & ConversationSessionInjected
-  & PropsLocale<'conversation'>
 
 /** The pending approval carrier the owner dispatches into the composer chain. */
 export type ApprovalWait = PendingWait<'approval'>
@@ -423,6 +431,19 @@ export interface ChatViewInjected {
    */
   openFile: (path: string) => void
   loadOlder: () => void
+  /** Hand a call off to the trajectory view: write the one-shot inspect target and switch tabs. */
+  inspectCall: (callId: CallId) => void
+  /**
+   * Per-session scroll memory surviving view switches (in-memory, never
+   * persisted): the view saves on every scroll and restores on remount; a
+   * fresh page load starts empty and keeps the open-jump-to-bottom default.
+   */
+  chatScroll: {
+    /** Record the scroll offset; null clears it (pinned to bottom). */
+    save: (top: number | null) => void
+    /** Last recorded offset, or null when pinned or never recorded. */
+    read: () => number | null
+  }
   /** Fork the session through the turn containing the message at `seq`, then open the child. */
   forkAt: (seq: number) => void
 }
diff --git a/packages/client/ui-conversation/src/client/contract/terminal-card-model.ts b/packages/client/ui-conversation/src/client/contract/terminal-card-model.ts
index c2d3886910..f6c7f5a911 100644
--- a/packages/client/ui-conversation/src/client/contract/terminal-card-model.ts
+++ b/packages/client/ui-conversation/src/client/contract/terminal-card-model.ts
@@ -37,17 +37,6 @@ export function terminalBlockLabels(t: TranslateNS<'conversation'>): TerminalBlo
   }
 }
 
-/**
- * Output lines the chat row's expanded terminal body shows before collapsing
- * the middle — half the primitive's own default, which the details panel
- * keeps. A chat row is a summary surface inside the message flow: the flow
- * must stay scannable across many calls, while the details panel is the
- * single-call reading surface. A design constant of this UI's row geometry,
- * not a deployment choice, so it is fixed here rather than a plugin Config
- * field.
- */
-export const CHAT_TERMINAL_MAX_LINES = 8
-
 /**
  * The {@link TerminalBlock} props this derivation owns. Picked off the
  * primitive's props so the two stay in step; `home` is absent because the web
@@ -70,6 +59,20 @@ export interface TerminalCardModel {
   description: string | undefined
 }
 
+/**
+ * True when a settled terminal card reports a failing exit — a non-zero code
+ * or a terminating signal. The bash tool settles a failing command as a
+ * completed call (`isError` stays false: the exit status is result data), so
+ * this is the collapsed row's only failure signal; without it the red exit
+ * pill would be visible only after expanding the card.
+ * @param model - a derived terminal card.
+ * @returns whether the card's exit status is a failure.
+ */
+export function terminalFailed(model: TerminalCardModel): boolean {
+  const { exitCode, signal, running } = model.card
+  return running !== true && ((exitCode !== undefined && exitCode !== 0) || signal !== undefined)
+}
+
 /**
  * Resolve a terminal view's working directory the way the render-intent
  * contract assigns to the UI bridge: an absolute path is used as-is, a relative
diff --git a/packages/client/ui-conversation/src/client/contract/tool-call-model.ts b/packages/client/ui-conversation/src/client/contract/tool-call-model.ts
index b53ef95c01..41688c3de9 100644
--- a/packages/client/ui-conversation/src/client/contract/tool-call-model.ts
+++ b/packages/client/ui-conversation/src/client/contract/tool-call-model.ts
@@ -1,14 +1,15 @@
 /**
  * Pure row-model derivation for tool summary rows: variant classification,
- * one-line summary and expanded-body text from the frozen call slice. This
- * derivation reads the call ARGUMENTS only; a call whose render intent is a
- * terminal card gets its expanded body from the views instead, through
+ * one-line summary, expanded-body text, and flattened result output from the
+ * frozen call slice. Input material comes from the call ARGUMENTS; output and
+ * error material from the settled result node. A call whose render intent is
+ * a terminal card gets its expanded body from the views instead, through
  * `terminalCardModel` in terminal-card-model.ts.
  */
 // The block union's defining home is runtime (fold-product types); this
 // contract only forwards it (type-definition authority stays with the layer
 // that produces the values).
-import type { ToolCallBlock } from '@deepseek-ai/dsh-client-runtime/client'
+import type { ToolCallBlock, ToolResultNode } from '@deepseek-ai/dsh-client-runtime/client'
 
 export type { ToolCallBlock } from '@deepseek-ai/dsh-client-runtime/client'
 
@@ -70,11 +71,34 @@ export interface ToolRowModel {
    * relative values against the session cwd before opening.
    */
   filePath: string | undefined
-  /** Expanded-body text (pretty args); null = row not expandable. */
+  /** Expanded-body input text (pretty args); null = no input section. */
   body: string | null
+  /** Flattened result text ({@link resultText}); null while running or when the result carries no text. */
+  output: string | null
+  /** First line of the result text on an error row; null for every other state. */
+  errorSummary: string | null
   state: ToolRowState
 }
 
+/**
+ * Flatten a settled result's content blocks to display text: text blocks
+ * verbatim, other block shapes as pretty JSON. Empty content on a failed call
+ * falls back to the structured error's `name: code` line.
+ * @param node - the settled result node.
+ * @returns the flattened result text (may be empty).
+ */
+export function resultText(node: ToolResultNode): string {
+  const parts: string[] = []
+  for (const block of node.content) {
+    if (block.type === 'text') parts.push(block.text)
+    else parts.push(JSON.stringify(block, null, 2))
+  }
+  if (parts.length === 0 && node.error !== undefined) {
+    parts.push(`${node.error.name}: ${node.error.code}`)
+  }
+  return parts.join('\n')
+}
+
 function parseArgs(argsRaw: string): unknown {
   try {
     return JSON.parse(argsRaw)
@@ -109,8 +133,13 @@ const SUMMARY_KEYS: Record<ToolRowVariant, readonly string[]> = {
   others: [],
 }
 
-/** Strip the workspace root from workspace-rooted absolute paths (display only). */
-function relativizeToCwd(text: string, cwd: string | undefined): string {
+/**
+ * Strip the workspace root from a workspace-rooted absolute path (display only).
+ * @param text - the path to shorten.
+ * @param cwd - session workspace root; absent or empty leaves the path unchanged.
+ * @returns the path relative to the workspace root, or unchanged when it is not rooted there.
+ */
+export function relativizeToCwd(text: string, cwd: string | undefined): string {
   if (cwd === undefined || cwd === '') return text
   const root = cwd.replace(/[/\\]+$/, '')
   if (text.startsWith(`${root}/`) || text.startsWith(`${root}\\`)) return text.slice(root.length + 1)
@@ -192,12 +221,19 @@ export function toolRowModel(toolName: string, block: ToolCallBlock, cwd?: strin
   const summary = variant === 'others' && toolName !== '' && toolTitle === undefined
     ? `${toolName} · ${base}`
     : base
+  // The empty string is "no text" for both derived result fields: a settled
+  // call with blank content has nothing to expand, and a blank first line
+  // would erase the collapsed error row's summary slot.
+  const output = done ? (resultText(block) || null) : null
+  const errorSummary = state === 'error' && output !== null ? firstLine(output) : null
   return {
     variant,
     title: toolTitle ?? VARIANT_TITLES[variant],
     summary,
     filePath: deriveFilePath(variant, argsRaw),
     body: deriveBody(variant, argsRaw),
+    output,
+    errorSummary,
     state,
   }
 }
diff --git a/packages/client/ui-conversation/src/client/contract/views.ts b/packages/client/ui-conversation/src/client/contract/views.ts
index 9ef9515f19..a8da4121b9 100644
--- a/packages/client/ui-conversation/src/client/contract/views.ts
+++ b/packages/client/ui-conversation/src/client/contract/views.ts
@@ -23,4 +23,10 @@ export interface ChatStoreState {
   draft: string
   /** Active conversation view id ('conversation.view' entry id); null falls back to the first view. */
   view: string | null
+  /**
+   * One-shot inspect handoff: chat writes the call to reveal, the trajectory
+   * view consumes it and acknowledges by clearing. Read with `?? null` —
+   * persisted snapshots from before this field rehydrate without it.
+   */
+  inspect: { callId: CallId } | null
 }
diff --git a/packages/client/ui-conversation/src/client/contract/web-card-model.ts b/packages/client/ui-conversation/src/client/contract/web-card-model.ts
new file mode 100644
index 0000000000..f2b15e023a
--- /dev/null
+++ b/packages/client/ui-conversation/src/client/contract/web-card-model.ts
@@ -0,0 +1,84 @@
+/**
+ * Pure derivation of the web-card props from a frozen call slice: the
+ * `card:'web'` render intent the `web_search`/`web_fetch` tools declare at
+ * result time arrives on the snapshot as `resultView`, and this is the one
+ * place that turns it into what {@link WebBlock} draws. Both conversation
+ * render sites (the chat tool row's resident/expanded body and the details
+ * panel's Output section) call this, so the sources and fetch summary they
+ * show are derived once.
+ *
+ * The web card is result-only by contract: those tools keep a generic pending
+ * call view, so there is nothing to derive while the call is still running and
+ * a running call always takes the generic path.
+ * @module
+ */
+import type { WebBlockProps } from '@deepseek-ai/dsh-client-ui-primitives'
+import type { ToolCallBlock } from './tool-call-model.ts'
+
+/**
+ * Sources the chat row's web body shows before collapsing the middle — half
+ * the primitive's own default, which the details panel keeps. A chat row is a
+ * summary surface inside the message flow: the flow must stay scannable across
+ * many calls, while the details panel is the single-call reading surface. A
+ * design constant of this UI's row geometry, not a deployment choice, so it is
+ * fixed here rather than a plugin Config field.
+ */
+export const CHAT_WEB_MAX_SOURCES = 8
+
+/**
+ * Derive the web-card props for a tool call, or null when this call is not a
+ * web card and belongs on the generic path.
+ *
+ * The result side supplies the whole card: the sources and answer for a
+ * `search`, the URL and status for a `fetch`. Cases producing null, all of
+ * them the documented generic-card default:
+ *
+ * - A running call (no `resultView` yet): the web tools keep a generic pending
+ *   card, so nothing web-shaped exists until the call settles.
+ * - A settled call whose result view is not a web card — including a `card`
+ *   value this UI version does not know, which arrives over the wire and so
+ *   cannot be trusted to be one of the compiled variants, and a generic result
+ *   view (a web tool's error path returns the generic card, whose text the
+ *   generic path preserves).
+ * - A web card whose `kind` this UI version does not know (a newer host's
+ *   value): the wire cannot be trusted to be `search` or `fetch`, so it takes
+ *   the generic path rather than rendering as a malformed fetch.
+ * @param block - RunningToolCall or ToolResultNode off the snapshot caches.
+ * @returns the web-card props, or null for the generic path.
+ */
+export function webCardModel(block: ToolCallBlock): WebBlockProps | null {
+  // Running calls have no result view; the web card is result-only.
+  if (!('kind' in block)) return null
+  const result = block.resultView
+  if (result?.card !== 'web') return null
+  if (result.kind === 'search') {
+    return {
+      kind: 'search',
+      answer: result.answer,
+      sources: result.sources.map(source => ({
+        url: source.url,
+        title: source.title,
+        snippet: source.snippet,
+        publishedAt: source.publishedAt,
+      })),
+      truncated: result.truncated,
+    }
+  }
+  // Discriminate `fetch` explicitly rather than treating it as the else of
+  // `search`: a `kind` this UI version does not know arrives over the wire from
+  // a newer host, and reading it as a fetch would draw an empty URL and
+  // `HTTP undefined`. It takes the generic path, the same wire-boundary default
+  // an unknown `card` tag takes above. The static union narrows `kind` to
+  // `'fetch'` here, but the runtime value is off the wire, so the guard and its
+  // null fallthrough are load-bearing despite the type.
+  // oxlint-disable-next-line typescript/no-unnecessary-condition
+  if (result.kind === 'fetch') {
+    return {
+      kind: 'fetch',
+      url: result.url,
+      statusCode: result.statusCode,
+      truncated: result.truncated,
+    }
+  }
+  return null
+}
diff --git a/packages/client/ui-conversation/src/client/input/contract.ts b/packages/client/ui-conversation/src/client/input/contract.ts
index 0c1d72dbc2..a6e4939fdc 100644
--- a/packages/client/ui-conversation/src/client/input/contract.ts
+++ b/packages/client/ui-conversation/src/client/input/contract.ts
@@ -29,7 +29,7 @@ export interface SessionInput extends InputTarget {
   /** Single write path for draft text (all mutation rides machine events). */
   setDraft(text: string): void
   /** THE complexity sink: enter adjudication, submit transaction, and the default sink live inside. */
-  submit(mode?: 'queue' | 'steer'): void
+  submit(): void
   /**
    * Surface a notice outside the machine's own effect stream: detached
    * command results and business notifications render through here.
@@ -60,7 +60,7 @@ export interface InputActions {
   /** Single public draft write path (full next draft; occurrence math via diff scan). */
   setDraft(text: string): void
   /** Enter submission (adjudication / claim transaction / default sink inside). */
-  submit(mode?: 'queue' | 'steer'): void
+  submit(): void
 }
 
 /** One surfaced notice (command results, adjudication failures). seq keys re-render of repeats. */
@@ -239,7 +239,7 @@ export type InputEvent =
   | { readonly type: 'paste-upgrade'; readonly attemptId: number; readonly span: TokenSpan; readonly reference: ReferenceInsert }
   /** Shell-observed attempt killers the machine cannot see itself (caret/selection ops, Slash interaction updates). */
   | { readonly type: 'invalidate-paste' }
-  | { readonly type: 'enter'; readonly mode: 'queue' | 'steer' }
+  | { readonly type: 'enter' }
   | { readonly type: 'adjudicated'; readonly attempt: SubmitAttempt; readonly outcome: PickOutcome }
   | { readonly type: 'adjudication-failed'; readonly attempt: SubmitAttempt; readonly message: string }
   | { readonly type: 'submit-settled'; readonly attempt: SubmitAttempt; readonly ok: boolean; readonly outcome?: SubmitOutcome; readonly message?: string }
@@ -258,5 +258,5 @@ export type InputEvent =
 export type InputEffect =
   | { readonly type: 'adjudicate'; readonly attempt: SubmitAttempt; readonly draft: string }
   | { readonly type: 'begin-submit'; readonly attempt: SubmitAttempt; readonly claim: CommandClaim; readonly args: string }
-  | { readonly type: 'default-sink'; readonly draft: string; readonly mode: 'queue' | 'steer' }
+  | { readonly type: 'default-sink'; readonly draft: string }
   | { readonly type: 'notice'; readonly level: 'info' | 'error'; readonly text: string }
diff --git a/packages/client/ui-conversation/src/client/input/facade.ts b/packages/client/ui-conversation/src/client/input/facade.ts
index d6b2fde80a..79a223a43e 100644
--- a/packages/client/ui-conversation/src/client/input/facade.ts
+++ b/packages/client/ui-conversation/src/client/input/facade.ts
@@ -39,7 +39,7 @@ export interface SessionInputDeps {
   /** Queue read face; overlaid onto InputState.queue (absent = empty). */
   queue?: ObservableSnapshot<readonly QueuedMessage[]> | undefined
   /** The plain-message sink (send choreography / materialize fork — the hub owns it). */
-  defaultSink(text: string, mode: 'queue' | 'steer'): void
+  defaultSink(text: string): void
 }
 
 /** Guard tier from the machine phase. */
@@ -68,7 +68,7 @@ export class SessionInputShell implements SessionInput {
   /** The public provide-channel action face (one stable identity per session — decision 20). */
   readonly actions: InputActions = {
     setDraft: (text) => { this.setDraft(text) },
-    submit: (mode) => { this.submit(mode) },
+    submit: () => { this.submit() },
   }
 
   // Real wall clock: the typing-run merge window must actually expire in
@@ -151,10 +151,9 @@ export class SessionInputShell implements SessionInput {
    * from the machine; this method only feeds the event. Lock entry
    * (adjudicating/submitting) force-closes the transient layers: the popup
    * dismisses and the menu tracks frozen.
-   * @param mode - default-sink mode (queue appends; steer interrupts).
    */
-  submit(mode: 'queue' | 'steer' = 'queue'): void {
-    this.run(this.core.dispatch({ type: 'enter', mode }))
+  submit(): void {
+    this.run(this.core.dispatch({ type: 'enter' }))
     const phase = this.snapshot.phase
     if (phase === 'adjudicating' || phase === 'submitting') {
       this.deps.popup?.()?.dismiss()
@@ -339,7 +338,7 @@ export class SessionInputShell implements SessionInput {
         return
       }
       case 'default-sink': {
-        this.sinkSerialized(fx.draft, fx.mode)
+        this.sinkSerialized(fx.draft)
         return
       }
       default:
@@ -354,10 +353,10 @@ export class SessionInputShell implements SessionInput {
    * send — notice + draft and chips retained, never a silent downgrade to
    * the clipboard text. Chip-free drafts skip the async detour.
    */
-  private sinkSerialized(draft: string, mode: 'queue' | 'steer'): void {
+  private sinkSerialized(draft: string): void {
     const occurrences = this.core.state.occurrences
     if (occurrences.length === 0) {
-      this.deps.defaultSink(draft.trim(), mode)
+      this.deps.defaultSink(draft.trim())
       return
     }
     const slash = this.deps.slash?.()
@@ -377,7 +376,7 @@ export class SessionInputShell implements SessionInput {
           cursor = part.offset + 1
         }
         out += draft.slice(cursor)
-        this.deps.defaultSink(out.trim(), mode)
+        this.deps.defaultSink(out.trim())
       },
       (error: unknown) => {
         controller.abort()
diff --git a/packages/client/ui-conversation/src/client/input/hub.ts b/packages/client/ui-conversation/src/client/input/hub.ts
index 2641e0dcc4..1fe2f95e7f 100644
--- a/packages/client/ui-conversation/src/client/input/hub.ts
+++ b/packages/client/ui-conversation/src/client/input/hub.ts
@@ -56,7 +56,7 @@ export class InputHub implements InputService {
       slash: () => this.controller(actx),
       popup: () => this.popup(actx),
       queue: queueReadFaceOf(session),
-      defaultSink: (text, mode) => { this.sink(session, text, mode) },
+      defaultSink: (text) => { this.sink(session, text) },
     })
     this.shells.set(id, shell)
     // The one teardown axis: listeners, shell, and map entries all ride the
@@ -106,18 +106,29 @@ export class InputHub implements InputService {
     return this.shell(id)
   }
 
+  /**
+   * Resolve the optional slash controller for composer chrome that launches
+   * the shared candidate menu without typing a trigger.
+   * @param id - session id.
+   * @returns the resident controller, or undefined when ui-slash is absent.
+   */
+  slash(id: SessionId): SlashController | undefined {
+    const actx = this.sessions().scope(id)
+    return actx === undefined ? undefined : this.controller(actx)
+  }
+
   /**
    * Default sink: optimistic clear + prompt. The session is always a real
    * host entity (materialized when its workspace was picked), so there is
    * exactly one path; a failed first prompt is an ordinary prompt failure
    * (error strip via promptError, draft restored only while untouched).
    */
-  private sink(session: SessionFace, text: string, mode: 'queue' | 'steer'): void {
+  private sink(session: SessionFace, text: string): void {
     if (text === '') return
     const shell = this.shells.get(session.sessionId)
     // Commit, not an editable clear: undo must not resurrect sent content.
     shell?.commitSend()
-    void session.prompt([{ type: 'text', text }], mode).then(
+    void session.prompt([{ type: 'text', text }], 'queue').then(
       (result) => {
         if (!result.ok && shell?.snapshot.draft === '') shell.setDraft(text)
       },
diff --git a/packages/client/ui-conversation/src/client/input/machine.ts b/packages/client/ui-conversation/src/client/input/machine.ts
index 48f6ddd872..f32d9e11d7 100644
--- a/packages/client/ui-conversation/src/client/input/machine.ts
+++ b/packages/client/ui-conversation/src/client/input/machine.ts
@@ -112,7 +112,6 @@ export class InputMachine {
   private inflight: {
     readonly attempt: SubmitAttempt
     readonly controller: AbortController
-    readonly mode: 'queue' | 'steer'
   } | undefined
   private log: Transaction[] = []
   private redoStack: Transaction[] = []
@@ -163,7 +162,7 @@ export class InputMachine {
         this.paste = undefined
         return []
       }
-      case 'enter': return this.onEnter(ev.mode)
+      case 'enter': return this.onEnter()
       case 'adjudicated': return this.onAdjudicated(ev.attempt, ev.outcome)
       case 'adjudication-failed': return this.onAdjudicationFailed(ev.attempt, ev.message)
       case 'submit-settled': return this.onSubmitSettled(ev)
@@ -462,18 +461,18 @@ export class InputMachine {
   // ---- submit plane ----
 
   /** Mint the next SubmitAttempt and take the in-flight slot. */
-  private beginAttempt(mode: 'queue' | 'steer'): SubmitAttempt {
+  private beginAttempt(): SubmitAttempt {
     const controller = new AbortController()
     this.seq += 1
     const attempt: SubmitAttempt = { seq: this.seq, signal: controller.signal, draftSnapshot: this.draft }
-    this.inflight = { attempt, controller, mode }
+    this.inflight = { attempt, controller }
     return attempt
   }
 
-  private onEnter(mode: 'queue' | 'steer'): InputEffect[] {
+  private onEnter(): InputEffect[] {
     if (this.phase === 'adjudicating' || this.phase === 'submitting') return []
     if (this.phase === 'claimed' && this.claim !== undefined) {
-      const attempt = this.beginAttempt(mode)
+      const attempt = this.beginAttempt()
       this.phase = 'submitting'
       this.paste = undefined
       return [{ type: 'begin-submit', attempt, claim: this.claim, args: argsAfter(this.draft, this.claim.token) }]
@@ -482,11 +481,11 @@ export class InputMachine {
     if (trimmed === '') return []
     this.paste = undefined
     if (trimmed.startsWith('/')) {
-      const attempt = this.beginAttempt(mode)
+      const attempt = this.beginAttempt()
       this.phase = 'adjudicating'
       return [{ type: 'adjudicate', attempt, draft: this.draft }]
     }
-    return [{ type: 'default-sink', draft: this.draft, mode }]
+    return [{ type: 'default-sink', draft: this.draft }]
   }
 
   private onAdjudicated(attempt: SubmitAttempt, outcome: Extract<InputEvent, { type: 'adjudicated' }>['outcome']): InputEffect[] {
@@ -507,7 +506,7 @@ export class InputMachine {
     this.inflight = undefined
     this.phase = 'plain'
     return outcome === undefined
-      ? [{ type: 'default-sink', draft: attempt.draftSnapshot, mode: flight.mode }]
+      ? [{ type: 'default-sink', draft: attempt.draftSnapshot }]
       : []
   }
 
diff --git a/packages/client/ui-conversation/src/client/locales.ts b/packages/client/ui-conversation/src/client/locales.ts
index 737d6dc9f0..1bda57660d 100644
--- a/packages/client/ui-conversation/src/client/locales.ts
+++ b/packages/client/ui-conversation/src/client/locales.ts
@@ -19,13 +19,17 @@ export const zh = {
   'placeholder.unavailable': '会话不可用',
   'placeholder.hero': '描述你想要构建的内容',
   'placeholder.workspace': '选择一个工作区开始',
-  'input.addAttachment': '添加附件',
+  'input.commands': '命令',
   'input.stop': '停止生成',
   'input.send': '发送消息',
   'input.accessMode': '访问模式，当前：{name}',
+  'access.confirm.title': '确认启用 Full access？',
+  'access.confirm.description': '启用 Full access 后，agent 将减少确认步骤，并且可以直接执行更多操作，包括敏感操作、文件修改或外部命令。仅建议在你信任当前任务时使用。',
+  'access.confirm.acknowledge': '我已了解风险，并愿意继续',
+  'access.confirm.cancel': '取消',
+  'access.confirm.enable': '启用 Full access',
   'hero.headline': '开始构建吧',
   'hero.chooseWorkspace': '选择工作区',
-  'session.hierarchy': '会话层级',
   'details.title': '详情',
   'details.close': '关闭详情',
   'details.empty': '点击消息流中的工具行查看详情',
@@ -42,12 +46,22 @@ export const zh = {
   'chat.loadOlder': '加载更早',
   'chat.toBottom': '回到底部',
   'message.extraBlock': '附加内容块',
-  'message.steering': '插话',
   'message.contextInjection': '上下文注入',
+  'message.compaction': '上下文已压缩',
+  'message.compaction.expand': '点击查看压缩摘要',
+  'message.compaction.unavailable': '压缩摘要不可用',
   'message.unknownSurface': '未知 surface 事件：{type}',
   'message.unknownBlock': '未知内容块',
   'message.stopped': '已停止',
   'message.branch': '在新对话中分支',
+  'message.retry.active': '正在重试模型请求',
+  'message.retry.cancelled': '模型请求重试已取消',
+  'message.retry.started': '已重试模型请求',
+  'message.retry.scheduled': '等待重试模型请求',
+  'message.retry.status': '{label}（{retry}/{maximum}） · {seconds}s',
+  'message.retry.delay': '重试延迟：',
+  'message.retry.failure': '失败原因：',
+  'message.turnError': '本轮运行失败',
   'command.running': '执行中…',
   'command.failed': '命令失败',
   'command.done': '已完成',
@@ -65,6 +79,9 @@ export const zh = {
   'bash.running': '运行中',
   'bash.failed': '失败',
   'bash.stopped': '已停止',
+  'row.running': '运行中',
+  'row.failed': '失败',
+  'row.stopped': '已停止',
   'queue.count': '{n} 条排队消息',
   'queue.edit': '编辑排队消息',
   'queue.edit.unsupported': '包含非文本内容，暂不支持编辑',
@@ -101,13 +118,17 @@ export const en = {
   'placeholder.unavailable': 'Session unavailable',
   'placeholder.hero': 'Describe what you want to build',
   'placeholder.workspace': 'Choose a workspace to start',
-  'input.addAttachment': 'Add attachment',
+  'input.commands': 'Commands',
   'input.stop': 'Stop generating',
   'input.send': 'Send message',
   'input.accessMode': 'Access mode, current: {name}',
+  'access.confirm.title': 'Enable Full access?',
+  'access.confirm.description': 'Full access reduces confirmation steps and lets the agent perform more actions directly, including sensitive operations, file changes, or external commands. Only use it when you trust the current task.',
+  'access.confirm.acknowledge': 'I understand the risks and want to continue',
+  'access.confirm.cancel': 'Cancel',
+  'access.confirm.enable': 'Enable Full access',
   'hero.headline': 'Let\'s start building',
   'hero.chooseWorkspace': 'Choose workspace',
-  'session.hierarchy': 'Session hierarchy',
   'details.title': 'Details',
   'details.close': 'Close details',
   'details.empty': 'Click a tool row in the message flow to view its details',
@@ -124,12 +145,22 @@ export const en = {
   'chat.loadOlder': 'Load earlier',
   'chat.toBottom': 'Back to bottom',
   'message.extraBlock': 'Extra content block',
-  'message.steering': 'Interjection',
   'message.contextInjection': 'Context injection',
+  'message.compaction': 'Context compacted',
+  'message.compaction.expand': 'View compaction summary',
+  'message.compaction.unavailable': 'Compaction summary unavailable',
   'message.unknownSurface': 'Unknown surface event: {type}',
   'message.unknownBlock': 'Unknown content block',
   'message.stopped': 'Stopped',
   'message.branch': 'Branch into a new conversation',
+  'message.retry.active': 'Retrying model request',
+  'message.retry.cancelled': 'Model request retry cancelled',
+  'message.retry.started': 'Retried model request',
+  'message.retry.scheduled': 'Waiting to retry model request',
+  'message.retry.status': '{label} ({retry}/{maximum}) · {seconds}s',
+  'message.retry.delay': 'Retry delay: ',
+  'message.retry.failure': 'Failure reason: ',
+  'message.turnError': 'This turn failed',
   'command.running': 'Running…',
   'command.failed': 'Command failed',
   'command.done': 'Completed',
@@ -147,6 +178,9 @@ export const en = {
   'bash.running': 'Running',
   'bash.failed': 'Failed',
   'bash.stopped': 'Stopped',
+  'row.running': 'Running',
+  'row.failed': 'Failed',
+  'row.stopped': 'Stopped',
   'queue.count': '{n} queued messages',
   'queue.edit': 'Edit queued message',
   'queue.edit.unsupported': 'Contains non-text content; editing is not supported yet',
diff --git a/packages/client/ui-conversation/src/client/queue/QueueDock.module.css b/packages/client/ui-conversation/src/client/queue/QueueDock.module.css
index 46cc018179..5bdaa43c51 100644
--- a/packages/client/ui-conversation/src/client/queue/QueueDock.module.css
+++ b/packages/client/ui-conversation/src/client/queue/QueueDock.module.css
@@ -1,10 +1,21 @@
-/* Figma .FileContainerText 1:791: 776px wrapper around the inset 752px panel. */
+/* Figma .FileContainerText 1:791: the wrapper uses the shared dock inset
+   inside the composer card around the inset panel. */
 
 .dock {
   box-sizing: border-box;
   flex: none;
-  width: 100%;
-  max-width: 776px;
+  width: calc(
+    100% -
+    var(--dsh-composer-side-clearance) -
+    var(--dsh-composer-side-clearance) -
+    var(--dsh-composer-dock-inset) -
+    var(--dsh-composer-dock-inset)
+  );
+  max-width: calc(
+    var(--dsh-composer-card-max-width) -
+    var(--dsh-composer-dock-inset) -
+    var(--dsh-composer-dock-inset)
+  );
   /* Flex gap still applies after this item; subtract it together with the
      design's overlap so the later composer paints over the queue edge. */
   margin: 0 auto calc(
@@ -96,6 +107,10 @@
   border-radius: 8px;
 }
 
+.row + .row {
+  box-shadow: inset 0 1px 0 var(--dsw-alias-border-l1);
+}
+
 .preview,
 .editor {
   flex: 1 1 auto;
diff --git a/packages/client/ui-conversation/src/client/queue/QueueDock.tsx b/packages/client/ui-conversation/src/client/queue/QueueDock.tsx
index 1bc6f75e85..e62e5ab389 100644
--- a/packages/client/ui-conversation/src/client/queue/QueueDock.tsx
+++ b/packages/client/ui-conversation/src/client/queue/QueueDock.tsx
@@ -73,7 +73,7 @@ export function QueueDock({ useSession, updateQueue, notify, t }: QueueDockProps
   }
 
   return (
-    <div className={css.dock}>
+    <div className={css.dock} data-queue-dock="">
       <div className={css.panel}>
         {queue.length > 1 && (
           <button
diff --git a/packages/client/ui-conversation/src/client/service.ts b/packages/client/ui-conversation/src/client/service.ts
index 939073d22a..9a7d8fd5bb 100644
--- a/packages/client/ui-conversation/src/client/service.ts
+++ b/packages/client/ui-conversation/src/client/service.ts
@@ -25,12 +25,11 @@ export interface IConversation {
   /** The per-session input machine registry (InputService face). */
   readonly input: InputService
   /**
-   * Send a prompt into the caller scope's session.
+   * Send a prompt into the caller scope's session (queued turn).
    * @param text - prompt text, sent verbatim as one text block.
-   * @param mode - queue after the current turn, or steer into it.
    * @returns completion; business failures reject (and land in promptError).
    */
-  send(text: string, mode: 'queue' | 'steer'): Promise<void>
+  send(text: string): Promise<void>
   /**
    * Apply one operation to a pending queue occurrence.
    * @param itemId - agent-owned inbox occurrence identity.
@@ -39,7 +38,7 @@ export interface IConversation {
    */
   updateQueue(itemId: QueueItemId, action: QueueAction): Promise<void>
   /**
-   * Cancel the scoped session's in-flight turn.
+   * Cancel the scoped session's in-flight turn while preserving its pending Queue.
    * @returns completion; failures reject as in send.
    */
   cancel(): Promise<void>
@@ -71,11 +70,10 @@ export class ConversationService extends Service implements IConversation {
    * session snapshot's promptError (object-layer surface); the rejection here
    * exists for caller choreography (the composer restores the draft on it).
    * @param text - prompt text, sent verbatim as one text block.
-   * @param mode - queue after the current turn, or steer into it.
    */
-  async send(text: string, mode: 'queue' | 'steer'): Promise<void> {
+  async send(text: string): Promise<void> {
     const session = this.scopedSession('send')
-    const result = await session.prompt([{ type: 'text', text }], mode)
+    const result = await session.prompt([{ type: 'text', text }], 'queue')
     if (!result.ok) throw new Error(`conversation.send failed: ${result.error.code}: ${result.error.message}`)
   }
 
@@ -88,7 +86,7 @@ export class ConversationService extends Service implements IConversation {
     }
   }
 
-  /** Cancel the scoped session's in-flight turn (failures land in promptError and reject, as in send). */
+  /** Cancel the scoped session's in-flight turn while preserving Queue (failures land in promptError and reject, as in send). */
   async cancel(): Promise<void> {
     const session = this.scopedSession('cancel')
     const result = await session.cancel()
diff --git a/packages/client/ui-conversation/src/client/skeleton/ConversationRoot.module.css b/packages/client/ui-conversation/src/client/skeleton/ConversationRoot.module.css
index 01f7ea515c..1f32d844a6 100644
--- a/packages/client/ui-conversation/src/client/skeleton/ConversationRoot.module.css
+++ b/packages/client/ui-conversation/src/client/skeleton/ConversationRoot.module.css
@@ -1,4 +1,4 @@
-/* Conversation column skeleton: header (breadcrumb row + tabs) over the view
+/* Conversation column skeleton: header (session title + tabs) over the view
    area, composer InputBar at the bottom. Column width/squeeze is layout's;
    this fills its cell. Figma: Header 39:27730 (83px two-row), tabs 13px with
    a 3px active bar. */
@@ -23,59 +23,24 @@
   display: none;
 }
 
-.crumbRow {
+.titleRow {
   display: flex;
   align-items: center;
-  justify-content: space-between;
   min-height: 32px;
 }
 
-.crumbs {
-  display: flex;
-  align-items: center;
-  gap: 4px;
+.sessionTitle {
   min-width: 0;
+  max-width: 100%;
   overflow: hidden;
-  white-space: nowrap;
-}
-
-.crumbSeg {
-  display: inline-flex;
-  align-items: center;
-  gap: 4px;
-  min-width: 0;
-}
-
-.crumbSep {
-  /* figma: "/" separators are 14px caption gray (75:7903), one tint lighter than crumb text. */
-  color: var(--dsw-alias-label-caption);
-  font-size: 14px;
-  line-height: 20px;
-}
-
-.crumb {
-  max-width: 220px;
-  overflow: hidden;
+  margin: 0;
   padding: 4px 8px;
-  border: none;
-  border-radius: 12px;
-  background: transparent;
   font-size: 14px;
   line-height: 20px;
-  color: var(--dsw-alias-label-tertiary);
-  text-overflow: ellipsis;
-  white-space: nowrap;
-  cursor: pointer;
-}
-
-.crumb:hover:not(:disabled) {
-  background: var(--dsw-alias-interactive-bg-hover);
-}
-
-.crumbCurrent {
   font-weight: 500;
   color: var(--dsw-alias-label-primary);
-  cursor: default;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 /* figma Tab_Group 34:11441: 35px strip, gap 36, pad-left 8, tabs bottom-aligned. */
@@ -133,6 +98,12 @@
   --dsh-composer-stack-gap: 6px;
   --dsh-queue-composer-overlap: 5px;
 
+  /* InputBar and dock registrants derive their horizontal geometry from the
+     same card width, outer clearance, and dock inset. */
+  --dsh-composer-card-max-width: 800px;
+  --dsh-composer-side-clearance: 32px;
+  --dsh-composer-dock-inset: 12px;
+
   display: flex;
   flex-direction: column;
   gap: var(--dsh-composer-stack-gap);
diff --git a/packages/client/ui-conversation/src/client/skeleton/ConversationRoot.tsx b/packages/client/ui-conversation/src/client/skeleton/ConversationRoot.tsx
index c52ba0b6b3..5d8a1d36cf 100644
--- a/packages/client/ui-conversation/src/client/skeleton/ConversationRoot.tsx
+++ b/packages/client/ui-conversation/src/client/skeleton/ConversationRoot.tsx
@@ -22,6 +22,7 @@ export function ConversationRoot({
   const session = useSession(s => s)
   const inputState = useInput(s => s)
   const cwd = useSessions(s => sessionId === undefined ? undefined : s.byId[sessionId]?.cwd)
+  const summaryBlank = useSessions(s => sessionId === undefined ? undefined : s.byId[sessionId]?.blank)
   const workspaces = useWorkspaces(s => s)
 
   const [pickerOpen, setPickerOpen] = useState(false)
@@ -65,8 +66,16 @@ export function ConversationRoot({
   // While a session is still replaying (loading + blank) the hero/docked
   // choice is unknowable — render the composer hidden instead of flashing
   // the centered hero and snapping to the docked bar (or vice versa).
+  // Exemption: a session the list summary already proves blank can only
+  // land on the hero, so hiding would blank the column for the whole
+  // history round-trip (the startup auto-selection flash) for nothing.
+  // The exemption is deliberately open-state-wide, not loading-only: a
+  // summary-blank session is the hero before its open starts (`cold`) and
+  // after one fails (`error`) for the same reason — there is no history.
   const settling = sessionId !== undefined && composerPhase === 'blank' && openState === 'loading'
-  const hero = sessionId === undefined || (composerPhase === 'blank' && openState === 'open')
+    && summaryBlank !== true
+  const hero = sessionId === undefined
+    || (composerPhase === 'blank' && (openState === 'open' || summaryBlank === true))
   const zone: InputZone | undefined =
     session === undefined || inputState === undefined ? undefined : { session, input: inputState }
 
diff --git a/packages/client/ui-conversation/src/client/skeleton/ConversationSession.tsx b/packages/client/ui-conversation/src/client/skeleton/ConversationSession.tsx
index 9c1ea2fd33..6b696e9e9d 100644
--- a/packages/client/ui-conversation/src/client/skeleton/ConversationSession.tsx
+++ b/packages/client/ui-conversation/src/client/skeleton/ConversationSession.tsx
@@ -2,39 +2,27 @@
 
 import { useEffect, useSyncExternalStore, type ReactNode } from 'react'
 import clsx from 'clsx'
-import { shallowEqual } from '@deepseek-ai/dsh-client-runtime/client'
-import type { SessionId, SessionListState, SessionSummary } from '@deepseek-ai/dsh-client-runtime/client'
 import type { ConversationSessionSlotProps } from '../contract/slots.ts'
 import css from './ConversationRoot.module.css'
 
 /** Full props composed from the strict session slot contract. */
 export type ConversationSessionProps = ConversationSessionSlotProps
 
-function deriveAncestry(list: SessionListState, id: SessionId): readonly SessionSummary[] {
-  const chain: SessionSummary[] = []
-  let cursor: SessionId | undefined = id
-  while (cursor !== undefined) {
-    const summary: SessionSummary | undefined = list.byId[cursor]
-    if (summary === undefined || chain.includes(summary)) break
-    chain.unshift(summary)
-    cursor = summary.parentId
-  }
-  return chain
-}
-
 export function ConversationSession({
   sessionId, useSession, useSessions, useInput, inputActions, useStore, actions,
-  renderSlot, views, bindDraftMirror, open, wrapActiveBody, t,
+  renderSlot, views, bindDraftMirror, wrapActiveBody,
 }: ConversationSessionProps) {
   useSyncExternalStore(views.subscribe, views.version)
   const tabs = views.list()
   const activeId = useStore(s => s.view) ?? 'chat'
   const active = tabs.find(view => view.id === activeId) ?? tabs[0]
-  const ancestry = useSessions(s => deriveAncestry(s, sessionId), shallowEqual)
+  const title = useSessions(s => s.byId[sessionId]?.displayTitle ?? sessionId)
   const composerPhase = useSession(s => s.composerPhase)
   const blank = useSession(s => s.blank)
   const inputState = useInput(s => s)
   const storedDraft = useStore(s => s.draft)
+  // `?? null`: persisted snapshots from before the inspect field rehydrate without it.
+  const inspect = useStore(s => s.inspect ?? null)
 
   useEffect(() => {
     if (inputState.draft === '' && storedDraft !== '') inputActions.setDraft(storedDraft)
@@ -52,7 +40,10 @@ export function ConversationSession({
 
   const view: ReactNode = hideChrome ? null : (
     <div className={css.viewArea}>
-      {active !== undefined && renderSlot('conversation.view', {}, { only: active.id })}
+      {active !== undefined && renderSlot('conversation.view', {
+        inspect,
+        onInspectDone: () => { actions.setInspect(null) },
+      }, { only: active.id })}
     </div>
   )
 
@@ -64,26 +55,8 @@ export function ConversationSession({
       >
         {!hideChrome && (
           <>
-            <div className={css.crumbRow}>
-              <nav className={css.crumbs} aria-label={t('session.hierarchy')}>
-                {ancestry.map((summary, index) => {
-                  const last = index === ancestry.length - 1
-                  return (
-                    <span key={summary.id} className={css.crumbSeg}>
-                      {index > 0 && <span className={css.crumbSep}>/</span>}
-                      <button
-                        type="button"
-                        className={clsx(css.crumb, last && css.crumbCurrent)}
-                        disabled={last}
-                        onClick={() => { open(summary.id) }}
-                      >
-                        {summary.displayTitle}
-                      </button>
-                    </span>
-                  )
-                })}
-                {ancestry.length === 0 && <span className={css.crumbCurrent}>{sessionId}</span>}
-              </nav>
+            <div className={css.titleRow}>
+              <h1 className={css.sessionTitle}>{title}</h1>
             </div>
             {tabs.length > 1 && (
               <div className={css.tabs} role="tablist">
diff --git a/packages/client/ui-conversation/src/client/skeleton/DetailsPanel.module.css b/packages/client/ui-conversation/src/client/skeleton/DetailsPanel.module.css
index 143174fe42..fbaebd1193 100644
--- a/packages/client/ui-conversation/src/client/skeleton/DetailsPanel.module.css
+++ b/packages/client/ui-conversation/src/client/skeleton/DetailsPanel.module.css
@@ -101,8 +101,27 @@
   font: var(--dsw-font-xs-13);
 }
 
-/* The terminal card sits directly under its section label, so it drops the
-   primitive's standalone vertical margin; the section owns the spacing. */
-.terminal {
+/* A card body (terminal, diff, or search) sits directly under its section
+   label, so it drops the primitive's standalone vertical margin; the section
+   owns the spacing. Card-neutral: no card-kind-specific value. */
+.cardBody {
+  margin: 0;
+}
+
+/* The recovery footer for a capped search: the result text (its `Full … stored
+   at …` locator) below the card in the muted tone, since the card holds only the
+   retained rows. */
+.searchRecovery {
+  margin: 6px 0 0;
+  white-space: pre-wrap;
+  overflow-wrap: anywhere;
+  color: var(--dsw-alias-label-tertiary);
+  font: var(--dsw-font-xs-13);
+}
+
+/* The read and web cards sit directly under their section label, same as the
+   terminal card: drop the primitive's standalone vertical margin. */
+.read,
+.web {
   margin: 0;
 }
diff --git a/packages/client/ui-conversation/src/client/skeleton/DetailsPanel.tsx b/packages/client/ui-conversation/src/client/skeleton/DetailsPanel.tsx
index d822dea8be..01c55c5fae 100644
--- a/packages/client/ui-conversation/src/client/skeleton/DetailsPanel.tsx
+++ b/packages/client/ui-conversation/src/client/skeleton/DetailsPanel.tsx
@@ -7,12 +7,16 @@
 // share the store seat exists for) and derives the call material from the
 // session snapshot — no data of its own.
 
-import { CodeBlock, TerminalBlock } from '@deepseek-ai/dsh-client-ui-primitives'
+import { CodeBlock, DiffBlock, ReadBlock, SearchBlock, TerminalBlock, WebBlock } from '@deepseek-ai/dsh-client-ui-primitives'
 import { shallowEqual } from '@deepseek-ai/dsh-client-runtime/client'
 import type { ConversationSnapshot, RunningToolCall, ToolResultNode } from '@deepseek-ai/dsh-client-runtime/client'
 import type { DetailsSlotProps } from '../contract/slots.ts'
+import { readCardModel } from '../contract/read-card-model.ts'
+import { diffCardModel } from '../contract/diff-card-model.ts'
+import { searchCardModel } from '../contract/search-card-model.ts'
 import { terminalBlockLabels, terminalCardModel } from '../contract/terminal-card-model.ts'
-import type { ToolCallBlock } from '../contract/tool-call-model.ts'
+import { webCardModel } from '../contract/web-card-model.ts'
+import { resultText, type ToolCallBlock } from '../contract/tool-call-model.ts'
 import css from './DetailsPanel.module.css'
 
 /** Full props composed by reference from the contract (automatic shares & injected share). */
@@ -127,8 +131,16 @@ export function DetailsPanel({ useSession, useSessions, sessionId, useStore, clo
  * The Output section's body for the selected call. A terminal-card call — a
  * shell command's call/result views — renders through the shared TerminalBlock
  * at the primitive's own full height allowance, so column-aligned output keeps
- * its alignment and scrolls sideways instead of folding. Every other call, and
- * a running call with no terminal card yet, keeps the flattened text form.
+ * its alignment and scrolls sideways instead of folding. A read-card call
+ * renders through the shared ReadBlock at that same full height, so the whole
+ * returned window is line-numbered and highlighted. A diff-card call — a
+ * write/edit's applied change — renders through the shared DiffBlock at the same
+ * full height. A search-card call — a `grep`/`glob` result view — renders
+ * through the shared SearchBlock at the same full height allowance, with a
+ * capped search's recovery footer below it. A web-card call — a
+ * `web_search`/`web_fetch` result — renders through WebBlock at its own full
+ * source-list allowance. Every other call, and a running call with no card yet,
+ * keeps the flattened text form.
  * @param props.material - the selected call's material from {@link materialFor}.
  * @param props.cwd - the session workspace root, resolving the terminal view's cwd.
  * @param props.t - the panel's locale seat, passed down as a plain prop.
@@ -144,7 +156,44 @@ function OutputBody({ material, cwd, t }: { material: CallMaterial; cwd: string
         {terminal.description !== undefined && (
           <div className={css.terminalDescription}>{terminal.description}</div>
         )}
-        <TerminalBlock {...terminal.card} labels={terminalBlockLabels(t)} className={css.terminal} />
+        <TerminalBlock {...terminal.card} labels={terminalBlockLabels(t)} className={css.cardBody} />
+      </>
+    )
+  }
+  const read = readCardModel(material.block, cwd)
+  // The panel takes the primitive's own default cap, not the row's tighter one:
+  // it is the single-call reading surface, so the whole window is available.
+  if (read !== null) return <ReadBlock {...read} className={css.read} />
+  const diff = diffCardModel(material.block)
+  if (diff !== null) return <DiffBlock {...diff.card} className={css.cardBody} />
+  const search = searchCardModel(material.block)
+  if (search !== null) {
+    return (
+      <>
+        <SearchBlock {...search.card} className={css.cardBody} />
+        {/* A capped search's recovery locator lives only in the result text;
+            show it below the card so the dropped rows stay reachable. */}
+        {search.recovery !== undefined && (
+          <div className={css.searchRecovery}>{search.recovery}</div>
+        )}
+      </>
+    )
+  }
+  const web = webCardModel(material.block)
+  // Full source-list allowance here (the panel is the single-call reading
+  // surface); the chat rows cap it at CHAT_WEB_MAX_SOURCES. Below the card the
+  // panel also renders the flattened result content — the model-visible text
+  // the card does not carry verbatim (a web_fetch card shows only the URL and
+  // status, so its fetched body lives only here; a search card's answer and
+  // sources are structured, so the flattened form repeats them as the raw text
+  // the model saw).
+  if (web !== null) {
+    const settled = 'kind' in material.block ? material.block : null
+    const body = settled === null ? '' : resultText(settled)
+    return (
+      <>
+        <WebBlock {...web} className={css.web} />
+        {body !== '' && <pre className={css.code}>{body}</pre>}
       </>
     )
   }
@@ -154,20 +203,7 @@ function OutputBody({ material, cwd, t }: { material: CallMaterial; cwd: string
   const result = material.block
   return (
     <pre className={css.code} data-error={result.isError || undefined}>
-      {renderResult(result)}
+      {resultText(result)}
     </pre>
   )
 }
-
-/** Flatten result content blocks to display text (text blocks verbatim, others as JSON). */
-function renderResult(node: ToolResultNode): string {
-  const parts: string[] = []
-  for (const block of node.content) {
-    if (block.type === 'text') parts.push(block.text)
-    else parts.push(JSON.stringify(block, null, 2))
-  }
-  if (parts.length === 0 && node.error !== undefined) {
-    parts.push(`${node.error.name}: ${node.error.code}`)
-  }
-  return parts.join('\n')
-}
diff --git a/packages/client/ui-conversation/src/client/skeleton/HeroShell.module.css b/packages/client/ui-conversation/src/client/skeleton/HeroShell.module.css
index 71b90bfdfa..523f640c0b 100644
--- a/packages/client/ui-conversation/src/client/skeleton/HeroShell.module.css
+++ b/packages/client/ui-conversation/src/client/skeleton/HeroShell.module.css
@@ -11,7 +11,7 @@
   padding: 0 24px;
 }
 
-/* Cap matches InputBar card width (800). Glow may paint past the sides. */
+/* Cap matches the InputBar card. Glow may paint past the sides. */
 .stack {
   display: flex;
   flex-direction: column;
@@ -19,7 +19,7 @@
   /* figma 75:8208: 12 between title block / workspace / card. */
   gap: 12px;
   width: 100%;
-  max-width: 800px;
+  max-width: var(--dsh-composer-card-max-width);
   overflow: visible;
 }
 
diff --git a/packages/client/ui-conversation/src/client/skeleton/InputBar.module.css b/packages/client/ui-conversation/src/client/skeleton/InputBar.module.css
index 14aebe899b..1badf3091f 100644
--- a/packages/client/ui-conversation/src/client/skeleton/InputBar.module.css
+++ b/packages/client/ui-conversation/src/client/skeleton/InputBar.module.css
@@ -23,7 +23,7 @@
   /* figma Input_Bottom: pad L32/R32/B8; the bottom gradient mask is owned by
      the chat scroller. No top pad: the composer stack's gap owns the space
      above; error/status strips still carry their own margin. */
-  padding: 0 32px 8px;
+  padding: 0 var(--dsh-composer-side-clearance) 8px;
 }
 
 .hero {
@@ -33,7 +33,7 @@
 .error,
 .status {
   width: 100%;
-  max-width: 800px;
+  max-width: var(--dsh-composer-card-max-width);
   margin-bottom: 6px;
   padding: 4px 8px;
   border-radius: 8px;
@@ -48,7 +48,7 @@
 
 .notice {
   width: 100%;
-  max-width: 800px;
+  max-width: var(--dsh-composer-card-max-width);
   margin-bottom: 6px;
   padding: 4px 8px;
   border-radius: 8px;
@@ -69,6 +69,7 @@
 }
 
 .card {
+  box-sizing: border-box;
   position: relative; /* overlay anchor positioning context */
   display: flex;
   flex-direction: column;
@@ -76,7 +77,7 @@
      top pad on the card before .InputText. */
   gap: 12px;
   width: 100%;
-  max-width: 800px;
+  max-width: var(--dsh-composer-card-max-width);
   padding-top: 10px;
   /* Input stroke: black/0.10 light, white/0.06 dark (figma darkmode note says
      the input border is one notch weaker than buttons) — exactly the
@@ -192,6 +193,18 @@
   white-space: pre-wrap;
   word-break: break-word;
   overflow-wrap: anywhere;
+  /* These three MUST wrap at one width, because InputBar mirrors a single
+     scroll offset between .input and .backdrop and a layer that wraps onto
+     more lines is taller, has a larger scroll maximum, and clamps the mirrored
+     offset below the caret. Only .input scrolls, so only .input can lose
+     content width to a scrollbar that consumes layout space.
+     `scrollbar-gutter: stable` here does NOT buy that guarantee and was
+     removed after measuring: WebKit applies it to overflow-y:auto but not to
+     the overflow:hidden layers, so it left .input at 768 against 776 — the
+     same gap it was meant to close — while costing chromium 8px of text width
+     unconditionally. The gap it would have closed is measured and recorded in
+     the Agent Note (2026-07-31-composer-glyph-layer-tracks-the-textarea);
+     closing it needs one geometry every engine agrees on, not this property. */
 }
 
 /* figma 34:10434: #ADB2B8 light / #81858C dark — the caption pair exactly. */
diff --git a/packages/client/ui-conversation/src/client/skeleton/InputBar.tsx b/packages/client/ui-conversation/src/client/skeleton/InputBar.tsx
index 887c7872b6..9759aa130f 100644
--- a/packages/client/ui-conversation/src/client/skeleton/InputBar.tsx
+++ b/packages/client/ui-conversation/src/client/skeleton/InputBar.tsx
@@ -34,13 +34,14 @@ export interface InputBarError {
 export type InputBarProps = ComposerBarProps
 
 export function InputBar({
-  useSession, useInput, inputActions, keyboard, stop, command, t, renderSlot, useNotices, useLexicon,
+  useSession, useInput, inputActions, keyboard, toggleCommandMenu, stop, command, t,
+  renderSlot, useNotices, useLexicon, useMenuLauncher,
   useProjection, sessionId, variant, disabled: inert = false, placeholder, accessory, overlay, leftItems, rightItems, footer,
-  onAdd, addLabel,
 }: InputBarProps) {
   const input = useInput(s => s)
   const notice = useNotices(s => s)
   const lexicon = useLexicon(s => s)
+  const commandMenuOpen = useMenuLauncher(source => source === 'command')
   const promptError = useSession(s => s.promptError) ?? null
   const running = useSession(s => s.running) ?? false
   const removed = useSession(s => s.removed) ?? false
@@ -61,6 +62,7 @@ export function InputBar({
   const draft = input?.draft ?? ''
   const empty = draft.trim() === ''
   const inputRef = useRef<HTMLTextAreaElement | null>(null)
+  const backdropRef = useRef<HTMLDivElement | null>(null)
   // IME guard: composition Enter picks a candidate, it must not send. The ref outlives renders;
   // clearing is deferred one tick because Safari delivers the closing keydown AFTER compositionend.
   const composingRef = useRef(false)
@@ -90,11 +92,22 @@ export function InputBar({
     if (!locked) inputRef.current?.focus()
   }, [locked, sessionId])
 
-  // Active conversation scrollport: chain the wheel. While the textarea (capped
-  // at 14 lines with overflow-y:auto) can still move in this direction, keep
-  // the native scroll; only at its own edge forward delta to the host so a
-  // short draft never traps the gesture and a long draft stays scrollable.
-  // Hero mounts have no host and keep native wheel scrolling.
+  // Two DOM listeners on the textarea, one lifetime (it is never unmounted —
+  // the inert state renders the same element disabled).
+  //
+  // wheel — active conversation scrollport: chain the gesture. While the
+  // textarea (capped at 14 lines with overflow-y:auto) can still move in this
+  // direction, keep the native scroll; only at its own edge forward delta to
+  // the host so a short draft never traps the gesture and a long draft stays
+  // scrollable. Hero mounts have no host and keep native wheel scrolling.
+  //
+  // scroll — the backdrop paints every visible glyph (the textarea's own text
+  // is transparent) but is clipped, not scrolled, so it does not follow the
+  // textarea on its own: without this mirror a draft past the cap moves the
+  // caret while the words stay frozen in place. Every way the box moves ends
+  // in a `scroll` event, edits included (the caret is scrolled into view), and
+  // the layers share an extent, so a draft that shrinks past the offset clamps
+  // both to the same maximum — one listener covers the coupling.
   useEffect(() => {
     const el = inputRef.current
     if (el === null) return
@@ -107,8 +120,16 @@ export function InputBar({
       e.preventDefault()
       host.scrollTop += e.deltaY
     }
+    const onScroll = (): void => {
+      const backdropEl = backdropRef.current
+      if (backdropEl !== null) backdropEl.scrollTop = el.scrollTop
+    }
     el.addEventListener('wheel', onWheel, { passive: false })
-    return () => { el.removeEventListener('wheel', onWheel) }
+    el.addEventListener('scroll', onScroll, { passive: true })
+    return () => {
+      el.removeEventListener('wheel', onWheel)
+      el.removeEventListener('scroll', onScroll)
+    }
   }, [])
 
   const onKeyDown = (e: KeyboardEvent<HTMLTextAreaElement>): void => {
@@ -172,7 +193,7 @@ export function InputBar({
     e.preventDefault()
     if (e.repeat) return // held-down Enter must not machine-gun sends
     if (locked || machineBusy) return
-    inputActions.submit('queue')
+    inputActions.submit()
   }
 
   const onChange = (e: ChangeEvent<HTMLTextAreaElement>): void => {
@@ -257,7 +278,11 @@ export function InputBar({
     inputRef.current?.focus()
   }
 
-  const addText = addLabel ?? t('input.addAttachment')
+  const onToggleCommandMenu = (): void => {
+    const el = inputRef.current
+    if (el !== null) toggleCommandMenu?.(selectionOf(el))
+  }
+
   const primaryLabel = running ? t('input.stop') : t('input.send')
   const onPrimary = (): void => {
     if (inputActions === undefined || stop === undefined) return // absent machine: the button is disabled
@@ -266,7 +291,7 @@ export function InputBar({
       return
     }
     /* v8 ignore next -- defensive: the primary button is disabled while empty||disabled, so a click cannot reach the false arm. */
-    if (!empty && !disabled && !machineBusy) inputActions.submit('queue')
+    if (!empty && !disabled && !machineBusy) inputActions.submit()
   }
 
   // The Access seat: the projection-fed permission chip (renders nothing
@@ -274,7 +299,7 @@ export function InputBar({
   // or while the command face is absent with the session).
   const accessSelect: ReactNode = command === undefined
     ? null
-    : <PermissionSelect value={permissions} locked={locked} command={command} t={t} />
+    : <PermissionSelect key={sessionId} value={permissions} locked={locked} command={command} t={t} />
 
   // Mirror-layer decorations: a visible backdrop with transparent text. The
   // claim token highlights through behind the textarea glyphs; each U+FFFC
@@ -350,6 +375,22 @@ export function InputBar({
       const displayHint = translated !== hintKey ? translated : deco.hint
       backdrop.push(<span key="hint" className={css.hint} data-decoration="hint">{displayHint}</span>)
     }
+    // Trailing-line sentinel, the same one the mirror div carries and for the
+    // same reason: a textarea reserves a line box for the caret after a final
+    // newline, while `white-space: pre-wrap` collapses a text node's trailing
+    // newline and generates none. Without it a draft ending in a newline makes
+    // the backdrop exactly one line SHORTER than the textarea, so mirroring the
+    // offset at the very bottom clamps and the glyphs sit a line behind the
+    // caret. The extra newline is absorbed by that same collapse when the draft
+    // does not end in one, so it costs no height in the ordinary case.
+    //
+    // The mirror only fails one way — a backdrop SHORTER than the textarea
+    // clamps the assignment, while a taller one takes every offset exactly and
+    // hides the surplus below the clip. That is why the ghost hint needs no
+    // handling of its own: it can only add content after the draft and before
+    // this sentinel, never remove a line box, so it moves the pair to equal or
+    // to the safe side.
+    backdrop.push('\n')
   }
 
   return (
@@ -371,7 +412,7 @@ export function InputBar({
             (min/max capped in CSS); the absolutely-positioned textarea rides its height. Counting
             rows by '\n' cannot see soft wraps. */}
         <div className={css.grow}>
-          <div aria-hidden className={css.backdrop} data-input-backdrop>{backdrop}</div>
+          <div ref={backdropRef} aria-hidden className={css.backdrop} data-input-backdrop>{backdrop}</div>
           <textarea
             ref={inputRef}
             className={css.input}
@@ -399,11 +440,13 @@ export function InputBar({
             <button
               type="button"
               className={css.add}
-              aria-label={addText}
-              title={addText}
-              disabled={locked}
+              aria-label={t('input.commands')}
+              title={t('input.commands')}
+              aria-haspopup="listbox"
+              aria-expanded={commandMenuOpen}
+              disabled={locked || toggleCommandMenu === undefined}
               onMouseDown={keepFocus}
-              onClick={onAdd}
+              onClick={onToggleCommandMenu}
             >
               <IconPlusOutline16 size={14} />
             </button>
diff --git a/packages/client/ui-conversation/src/client/skeleton/PermissionSelect.tsx b/packages/client/ui-conversation/src/client/skeleton/PermissionSelect.tsx
index 34a652470e..16974880dd 100644
--- a/packages/client/ui-conversation/src/client/skeleton/PermissionSelect.tsx
+++ b/packages/client/ui-conversation/src/client/skeleton/PermissionSelect.tsx
@@ -1,21 +1,28 @@
-import { useState } from 'react'
+import { useEffect, useState } from 'react'
 import type { PermissionSelect as PermissionSelectValue } from '@deepseek-ai/dsh-permission/client'
-import { Menu } from '@deepseek-ai/dsh-client-ui-primitives'
+import { Menu, RiskConfirmation } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { MenuEntry } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { ComposerBarProps } from '../contract/slots.ts'
 import css from './PermissionSelect.module.css'
 
+const FULL_ACCESS = 'danger-full-access'
+
 /**
  * Display transform: kebab-case machine names render as title-case labels
  * (`workspace-write` → `Workspace Write`); non-kebab host-configured names
- * pass through. Twin of the /permission popup's (client ui-permission) — the
- * two permission surfaces must show the same text.
+ * pass through. Full access intentionally overrides the machine-name
+ * transform so both permission surfaces use the product label `Full access`;
+ * the warning body remains locale-aware.
  */
 function displayName(name: string): string {
   if (!/^[a-z0-9]+(-[a-z0-9]+)*$/.test(name)) return name
   return name.split('-').map(word => word.charAt(0).toUpperCase() + word.slice(1)).join(' ')
 }
 
+function optionLabel(option: PermissionSelectValue['options'][number]): string {
+  return option.value === FULL_ACCESS ? 'Full access' : displayName(option.name)
+}
+
 export interface PermissionSelectProps {
   value: PermissionSelectValue | undefined
   locked: boolean
@@ -27,49 +34,94 @@ export interface PermissionSelectProps {
 export function PermissionSelect({ value, locked, command, t }: PermissionSelectProps) {
   const [pick, setPick] = useState<string | null>(null)
   const [open, setOpen] = useState(false)
+  const [confirmation, setConfirmation] = useState<string | null>(null)
+  const [acknowledged, setAcknowledged] = useState(false)
+
+  useEffect(() => {
+    if (!locked && value !== undefined) return
+    setOpen(false)
+    setAcknowledged(false)
+    setConfirmation(null)
+  }, [locked, value])
 
   if (value === undefined) return null
 
   const currentValue = pick ?? value.currentValue
   const current = value.options.find(option => option.value === currentValue)
-  const busy = pick !== null
+  const busy = pick !== null || confirmation !== null
 
   const items: MenuEntry[] = value.options
     .filter(o => o.value !== 'custom')
-    .map(option => ({ id: option.value, label: displayName(option.name) }))
+    .map(option => ({ id: option.value, label: optionLabel(option) }))
 
-  const choose = (id: string): void => {
-    setOpen(false)
-    if (id === value.currentValue) return
+  const submit = (id: string): void => {
     setPick(id)
     void command(`/permission ${id}`)
       .catch(() => false)
       .then(() => { setPick(null) })
   }
 
+  const choose = (id: string): void => {
+    setOpen(false)
+    if (id === value.currentValue) return
+    if (id === FULL_ACCESS) {
+      setAcknowledged(false)
+      setConfirmation(id)
+      return
+    }
+    submit(id)
+  }
+
+  const closeConfirmation = (): void => {
+    setAcknowledged(false)
+    setConfirmation(null)
+  }
+
+  const confirmFullAccess = (): void => {
+    if (locked || !acknowledged || confirmation === null) return
+    const id = confirmation
+    closeConfirmation()
+    submit(id)
+  }
+
   return (
-    <Menu
-      open={open}
-      items={items}
-      selectedId={currentValue}
-      onSelect={choose}
-      onClose={() => { setOpen(false) }}
-      side="top"
-      anchor={
-        <button
-          type="button"
-          className={css.trigger}
-          aria-label={t('input.accessMode', { name: displayName(current?.name ?? currentValue) })}
-          title={current?.description}
-          disabled={locked || busy}
-          onClick={() => { setOpen(!open) }}
-        >
-          <span className={css.triggerLabel}>{displayName(current?.name ?? currentValue)}</span>
-          <svg className={css.chevron} viewBox="0 0 12 12" width="12" height="12" aria-hidden>
-            <path d="M3 4.5L6 7.5L9 4.5" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" strokeLinejoin="round" fill="none" />
-          </svg>
-        </button>
-      }
-    />
+    <>
+      <Menu
+        open={open}
+        items={items}
+        selectedId={currentValue}
+        onSelect={choose}
+        onClose={() => { setOpen(false) }}
+        side="top"
+        anchor={
+          <button
+            type="button"
+            className={css.trigger}
+            aria-label={t('input.accessMode', { name: current === undefined ? displayName(currentValue) : optionLabel(current) })}
+            title={current?.description}
+            disabled={locked || busy}
+            onClick={() => { setOpen(!open) }}
+          >
+            <span className={css.triggerLabel}>{current === undefined ? displayName(currentValue) : optionLabel(current)}</span>
+            <svg className={css.chevron} viewBox="0 0 12 12" width="12" height="12" aria-hidden>
+              <path d="M3 4.5L6 7.5L9 4.5" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" strokeLinejoin="round" fill="none" />
+            </svg>
+          </button>
+        }
+      />
+      <RiskConfirmation
+        open={confirmation !== null}
+        title={t('access.confirm.title')}
+        description={t('access.confirm.description')}
+        acknowledgeLabel={t('access.confirm.acknowledge')}
+        cancelLabel={t('access.confirm.cancel')}
+        confirmLabel={t('access.confirm.enable')}
+        acknowledged={acknowledged}
+        disabled={locked}
+        onAcknowledgedChange={setAcknowledged}
+        onCancel={closeConfirmation}
+        onConfirm={confirmFullAccess}
+      />
+    </>
   )
 }
diff --git a/packages/client/ui-conversation/src/client/skeleton/TodoPanel.module.css b/packages/client/ui-conversation/src/client/skeleton/TodoPanel.module.css
index 5d26aa4a5e..1e557a0c0a 100644
--- a/packages/client/ui-conversation/src/client/skeleton/TodoPanel.module.css
+++ b/packages/client/ui-conversation/src/client/skeleton/TodoPanel.module.css
@@ -1,13 +1,24 @@
 /* Todo strip in the composer context stack (Figma 9:959): tip surface,
-   14px radius, status icons + secondary item labels. */
+   14px radius, status icons + secondary item labels. It shares the composer
+   card geometry and adds the dock inset on both sides. */
 
 .root {
   box-sizing: border-box;
   flex: none;
   overflow: hidden;
   margin: 0 auto;
-  width: calc(100% - 88px);
-  max-width: 752px;
+  width: calc(
+    100% -
+    var(--dsh-composer-side-clearance) -
+    var(--dsh-composer-side-clearance) -
+    var(--dsh-composer-dock-inset) -
+    var(--dsh-composer-dock-inset)
+  );
+  max-width: calc(
+    var(--dsh-composer-card-max-width) -
+    var(--dsh-composer-dock-inset) -
+    var(--dsh-composer-dock-inset)
+  );
   border: 1px solid var(--dsw-alias-border-l1);
   border-radius: 14px;
   background: var(--dsw-specific-tip);
diff --git a/packages/client/ui-conversation/src/client/stores.ts b/packages/client/ui-conversation/src/client/stores.ts
index 4c27a87ed8..8a1cd6f068 100644
--- a/packages/client/ui-conversation/src/client/stores.ts
+++ b/packages/client/ui-conversation/src/client/stores.ts
@@ -3,7 +3,7 @@
  * The plugin creates its handle at apply time so identity follows the fiber.
  */
 import { defineStore, type EngineStoreHandle } from '@deepseek-ai/dsh-client-runtime/client'
-import type { ChatStoreState, SelectionTarget } from './contract/views.ts'
+import type { CallId, ChatStoreState, SelectionTarget } from './contract/views.ts'
 
 /** Declared action shape used to give the exported factory a stable return type. */
 type ChatActions = {
@@ -12,6 +12,7 @@ type ChatActions = {
   clearDraft: (draft: ChatStoreState) => void
   restoreDraft: (draft: ChatStoreState, text: string) => void
   setView: (draft: ChatStoreState, view: string) => void
+  setInspect: (draft: ChatStoreState, target: { callId: CallId } | null) => void
 }
 
 /**
@@ -20,7 +21,7 @@ type ChatActions = {
  */
 export function createChatStore(): EngineStoreHandle<ChatStoreState, ChatActions> {
   return defineStore({
-    init: (): ChatStoreState => ({ selection: null, draft: '', view: null }),
+    init: (): ChatStoreState => ({ selection: null, draft: '', view: null, inspect: null }),
     persist: 'dsh.conversation.chat',
     actions: {
       select: (d, target: SelectionTarget | null) => { d.selection = target },
@@ -30,6 +31,7 @@ export function createChatStore(): EngineStoreHandle<ChatStoreState, ChatActions
       // since the clear (send choreography lives in the inject factory).
       restoreDraft: (d, text: string) => { if (d.draft === '') d.draft = text },
       setView: (d, view: string) => { d.view = view },
+      setInspect: (d, target: { callId: CallId } | null) => { d.inspect = target },
     },
   })
 }
diff --git a/packages/client/ui-conversation/src/client/toolviews/ask-question-row.tsx b/packages/client/ui-conversation/src/client/toolviews/ask-question-row.tsx
index e297387eee..bda937266e 100644
--- a/packages/client/ui-conversation/src/client/toolviews/ask-question-row.tsx
+++ b/packages/client/ui-conversation/src/client/toolviews/ask-question-row.tsx
@@ -1,7 +1,7 @@
 // ask_user_question toolview: question-flavored summary row replacing the
 // generic "Tool call" card, registered into the keyed
 // 'conversation.chat.toolview' hole like todo-row. The row composes ToolRow
-// (chrome, running sweep, leading expansion) and swaps in the interaction
+// (chrome, running sweep, whole-row expand) and swaps in the interaction
 // outcome — `waiting` while pending, answered-count once settled, `cancelled`
 // when the user dismissed the whole set — because the questions themselves
 // render in the composer takeover.
@@ -42,8 +42,9 @@ function answeredSummary(text: string, t: AskQuestionRowProps['t']): string | nu
 /** Full row props: the toolview runtime share plus the standard locale seat. */
 type AskQuestionRowProps = ToolRowProps & PropsLocale<'conversation'>
 
-/** One-line question-interaction row (leading toggle expands the raw args). */
-export function AskQuestionRow({ toolName, block, t }: AskQuestionRowProps) {
+/** One-line question-interaction row (the whole row toggles the call's
+ *  Input/Output sections, ToolRow's unified expand). */
+export function AskQuestionRow({ toolName, block, inspect, t }: AskQuestionRowProps) {
   const model = toolRowModel(toolName, block)
   // Composer verdicts settle the call as specific UserInteractionErrors
   // (apiproxy ask_user_question handler): 'ASK_CANCELLED' is the user's own
@@ -74,7 +75,9 @@ export function AskQuestionRow({ toolName, block, t }: AskQuestionRowProps) {
       title={t('ask.rowTitle')}
       summary={summary}
       body={model.body}
+      output={model.output}
       state={state}
+      inspect={inspect}
     />
   )
 }
diff --git a/packages/client/ui-conversation/src/client/toolviews/bash-sample.module.css b/packages/client/ui-conversation/src/client/toolviews/bash-sample.module.css
index e9ee5286dc..fa607a0880 100644
--- a/packages/client/ui-conversation/src/client/toolviews/bash-sample.module.css
+++ b/packages/client/ui-conversation/src/client/toolviews/bash-sample.module.css
@@ -1,5 +1,5 @@
 /* Bash toolview: same geometry/tokens as ToolRow (figma Bash · description),
-   plus the terminal card the row stacks under its summary line. */
+   plus the expand-gated terminal card under the summary line. */
 
 /* Summary line over the terminal card; the summary row keeps its own 24px
    height, so the card is a column around it rather than a change to it. */
@@ -8,10 +8,23 @@
   flex-direction: column;
 }
 
-/* Row indentation matches ToolRow's expanded bodies (16px leading + 6px gap),
-   and replaces the primitive's standalone vertical margin with the flow's. */
+/* Expanded terminal card, matching ToolRow's terminalBody: 4px indent, l1
+   hairline, and the max-height scroll on the card's own OUTPUT (banner stays
+   pinned; 224px = the 260px card cap minus the ~36px banner); the margin
+   replaces the primitive's standalone vertical margin with the flow's. */
 .terminal {
-  margin: 4px 0 4px 22px;
+  --dsl-terminal-font: var(--dsw-font-markdown-code-block-small);
+  --dsl-terminal-line-height: 18px;
+  --dsl-terminal-output-max-height: 224px;
+  margin: 4px 0 4px 4px;
+  border: 1px solid var(--dsw-alias-border-l1);
+}
+
+/* ToolRow's unified expand interaction, replicated per the registrant
+   posture: pointer on the expandable row (the icon→chevron hover preview is
+   the affordance, no row fill). */
+.root[data-expandable] {
+  cursor: pointer;
 }
 
 .root {
@@ -47,6 +60,7 @@
 }
 
 .leading {
+  position: relative; /* .chevronHover overlay anchor */
   flex: none;
   width: 16px;
   height: 16px;
@@ -57,6 +71,34 @@
   color: var(--dsw-alias-label-tertiary);
 }
 
+.chevron {
+  color: var(--dsw-alias-label-secondary);
+}
+
+/* Hover preview on the expandable row: the idle icon crossfades (100ms) into
+   a down chevron before the row is opened — same overlay as ToolRow. */
+.iconIdle {
+  display: inline-flex;
+  opacity: 1;
+  transition: opacity 100ms ease;
+}
+
+.chevronHover {
+  position: absolute;
+  inset: 0;
+  margin: auto;
+  opacity: 0;
+  transition: opacity 100ms ease;
+}
+
+.root:hover .iconIdle {
+  opacity: 0;
+}
+
+.root:hover .chevronHover {
+  opacity: 1;
+}
+
 .scopeBadge {
   flex: none;
   margin-right: 8px;
@@ -95,6 +137,52 @@
   color: var(--dsw-alias-label-tertiary);
 }
 
+/* Error row's collapsed summary: the failure's first line in the error color. */
+.errorSummary {
+  color: var(--dsw-alias-state-error-primary);
+}
+
+/* Hover-revealed Inspect pill under the expanded terminal's bottom-left —
+   ToolRow's .bodyWrap/.inspectButton treatment, replicated per the registrant
+   posture: real flow (it reserves its line), revealed by hovering anywhere on
+   the tool call — title row included — or by keyboard focus. */
+.bodyWrap {
+  display: flex;
+  flex-direction: column;
+}
+
+.inspectButton {
+  display: inline-flex;
+  align-self: flex-start;
+  align-items: center;
+  gap: 4px;
+  margin: 4px 0 2px 4px;
+  padding: 2px 8px;
+  border: 1px solid var(--dsw-alias-border-l2);
+  border-radius: 999px;
+  /* Base background, not bg-overlay: the overlay token reads too heavy. */
+  background: var(--dsw-alias-bg-base);
+  color: var(--dsw-alias-label-secondary);
+  font-size: 11px;
+  line-height: 16px;
+  cursor: pointer;
+  opacity: 0;
+  transition: opacity 100ms ease;
+}
+
+.card:hover .inspectButton,
+.inspectButton:focus-visible {
+  opacity: 1;
+}
+
+/* Solid hover fill: the pill floats over terminal output, so a translucent
+   hover token would let the text underneath bleed through. */
+.inspectButton:hover {
+  background: var(--dsw-alias-interactive-bg-hover-solid);
+  color: var(--dsw-alias-label-primary);
+}
+
+
 .visuallyHidden {
   position: absolute;
   width: 1px;
diff --git a/packages/client/ui-conversation/src/client/toolviews/bash-sample.tsx b/packages/client/ui-conversation/src/client/toolviews/bash-sample.tsx
index e964ef10ae..06eb42f741 100644
--- a/packages/client/ui-conversation/src/client/toolviews/bash-sample.tsx
+++ b/packages/client/ui-conversation/src/client/toolviews/bash-sample.tsx
@@ -4,20 +4,24 @@
 // Child sessions keep a scoped badge so session-dimension differentiation stays
 // observable inside the component (no parallel registry).
 //
-// A bash call declares the terminal render intent, so this row also renders
-// the command's own output through TerminalBlock. This row has no expand
-// control and is not a details-panel target either (tool rows stopped being
-// one), so its terminal body is resident rather than expand-gated as in
-// ToolRow, and the card's own copy and expand controls are the row's only
-// interactions. CHAT_TERMINAL_MAX_LINES is passed as `maxLines` — the chat
-// flow's tighter cap over the block's own default of 16 — and the block's
-// internal expander keeps a long output from taking over the message flow.
+// A bash call declares the terminal render intent, so this row renders the
+// command's own output through TerminalBlock — expand-gated exactly like
+// ToolRow's unified interaction: collapsed by default, the whole summary row
+// is the toggle (click / Enter / Space, icon→chevron hover preview; the
+// summary stays inline while open),
+// and the expanded card max-height-scrolls inside its own surface with the
+// full output (maxLines Infinity — no middle collapse). An error row's
+// collapsed summary is the failure's first line in the error color.
 
+import { useState, type KeyboardEvent } from 'react'
 import type { Context } from 'cordis'
-import { IconApiOutline14, StateDot, TerminalBlock } from '@deepseek-ai/dsh-client-ui-primitives'
+import clsx from 'clsx'
+import {
+  IconApiOutline14, IconChevronDownOutline14, StateDot, TerminalBlock,
+} from '@deepseek-ai/dsh-client-ui-primitives'
 import type { PropsLocale } from '@deepseek-ai/dsh-client-ui-slots'
 import type { ToolRowProps } from '../contract/slots.ts'
-import { CHAT_TERMINAL_MAX_LINES, terminalBlockLabels, terminalCardModel } from '../contract/terminal-card-model.ts'
+import { terminalBlockLabels, terminalCardModel, terminalFailed } from '../contract/terminal-card-model.ts'
 import { toolRowModel, type ToolRowState } from '../contract/tool-call-model.ts'
 import { NS } from '../locales.ts'
 import css from './bash-sample.module.css'
@@ -45,43 +49,89 @@ function stateStatus(state: ToolRowState, t: BashRowProps['t']): string | null {
 }
 
 /**
- * Bash row: icon + Bash · {description} in the shared ToolRow chrome, with the
- * command's terminal card resident below it. The summary row is not a
- * details-panel control (tool rows stopped being one), so the card's copy and
- * expand controls are the row's only interactions.
+ * Bash row: icon + Bash · {description} in the shared ToolRow chrome, the
+ * whole row toggling the command's terminal card (ToolRow's unified
+ * expand interaction, replicated locally per the registrant posture).
  */
-export function BashRow({ toolName, block, sessionId, useSessions, t }: BashRowProps) {
+export function BashRow({ toolName, block, sessionId, useSessions, inspect, t }: BashRowProps) {
   const model = toolRowModel(toolName, block)
   // Session workspace root: the terminal view's cwd resolves against it (an
   // omitted workdir IS the workspace), which the pure presenter cannot do.
   const cwd = useSessions(list => list.byId[sessionId]?.cwd)
   const terminal = terminalCardModel(block, cwd)
+  // A failing exit status is the terminal card's own error signal (the call
+  // itself settles isError:false), surfaced as the row's red state dot.
+  const state = model.state === 'ok' && terminal !== null && terminalFailed(terminal)
+    ? 'error'
+    : model.state
   const isChild = useSessions(list => list.byId[sessionId]?.parentId !== undefined)
-  const status = stateStatus(model.state, t)
+  const status = stateStatus(state, t)
+  const [expanded, setExpanded] = useState(false)
+  const expandable = terminal !== null
+  const open = expanded && expandable
+  const failureLine = model.state === 'error' ? model.errorSummary : null
+  const toggleExpand = () => {
+    setExpanded(v => !v)
+  }
+  const toggleFromKeyboard = (event: KeyboardEvent<HTMLDivElement>) => {
+    if (!expandable || (event.key !== 'Enter' && event.key !== ' ')) return
+    event.preventDefault()
+    toggleExpand()
+  }
+  const leading = open
+    ? <IconChevronDownOutline14 className={css.chevron} />
+    : expandable
+      ? (
+        <>
+          <span className={css.iconIdle}>{leadingFor(state)}</span>
+          <IconChevronDownOutline14 className={clsx(css.chevron, css.chevronHover)} />
+        </>
+      )
+      : leadingFor(state)
   return (
     <div className={css.card}>
       <div
         className={css.root}
         data-sample={isChild ? 'bash-scoped' : 'bash-global'}
         data-variant="bash"
-        data-state={model.state}
+        data-state={state}
+        data-expandable={expandable || undefined}
+        role={expandable ? 'button' : undefined}
+        tabIndex={expandable ? 0 : undefined}
+        aria-expanded={expandable ? open : undefined}
+        onClick={expandable ? toggleExpand : undefined}
+        onKeyDown={expandable ? toggleFromKeyboard : undefined}
       >
-        <span className={css.leading}>{leadingFor(model.state)}</span>
+        <span className={css.leading}>{leading}</span>
         {status !== null && <span className={css.visuallyHidden}>{status}</span>}
         {isChild && <span className={css.scopeBadge}>scoped</span>}
         <span className={css.title}>{model.title}</span>
         <span className={css.sep} aria-hidden />
         {/* The terminal presenter's description is the contractual
-            above-card summary; it outranks the args-derived one. */}
-        <span className={css.summary}>{terminal?.description ?? model.summary}</span>
+            above-card summary; a failure's first line outranks both. */}
+        <span className={clsx(css.summary, failureLine !== null && css.errorSummary)}>
+          {failureLine ?? terminal?.description ?? model.summary}
+        </span>
       </div>
-      {terminal !== null && (
-        <TerminalBlock
-          {...terminal.card}
-          maxLines={CHAT_TERMINAL_MAX_LINES}
-          labels={terminalBlockLabels(t)}
-          className={css.terminal}
-        />
+      {terminal !== null && open && (
+        /* Same hover-Inspect posture as ToolRow's expanded body, replicated
+           locally per the registrant posture. */
+        <div className={css.bodyWrap}>
+          <TerminalBlock
+            {...terminal.card}
+            maxLines={Infinity}
+            labels={terminalBlockLabels(t)}
+            className={css.terminal}
+          />
+          {inspect !== undefined && (
+            <button type="button" className={css.inspectButton} onClick={inspect}>
+              <svg width="12" height="12" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg" aria-hidden>
+                <path d="M16 8L10.8571 12V10.552L14.1383 8L10.8571 5.448V4L16 8ZM5.14286 10.552L1.86171 8L5.14286 5.448V4L0 8L5.14286 12V10.552ZM9.02514 4L5.59657 12H6.84057L10.2691 4H9.02514Z" fill="currentColor" />
+              </svg>
+              Inspect
+            </button>
+          )}
+        </div>
       )}
     </div>
   )
diff --git a/packages/client/ui-conversation/src/client/toolviews/file-mutation-row.tsx b/packages/client/ui-conversation/src/client/toolviews/file-mutation-row.tsx
new file mode 100644
index 0000000000..227726cf61
--- /dev/null
+++ b/packages/client/ui-conversation/src/client/toolviews/file-mutation-row.tsx
@@ -0,0 +1,73 @@
+// File-mutation toolview registrant: the keyed toolview hole for the `edit`
+// and `write` tools. The row composes the shared ToolRow (chrome, running
+// sweep, whole-row expand) and feeds it the applied diff as ToolRow's `diff`
+// card material, so the change renders through DiffBlock in the collapsed-by-
+// default expanded body — the same unified interaction every other card row
+// has. The summary stays a path link (the file-tool interaction) that opens
+// through the host; an errored mutation (write/edit return no diff on
+// `result.isError`) keeps the model-facing error text on ToolRow's Output
+// section, its first line in the collapsed summary.
+
+import type { Context } from 'cordis'
+import { IconEditOutline16 } from '@deepseek-ai/dsh-client-ui-primitives'
+import type { PropsLocale } from '@deepseek-ai/dsh-client-ui-slots'
+import type { ToolRowProps } from '../contract/slots.ts'
+import { diffCardModel } from '../contract/diff-card-model.ts'
+import { toolRowModel } from '../contract/tool-call-model.ts'
+import { ToolRow } from '../chat/ToolRow.tsx'
+import { NS } from '../locales.ts'
+
+/** Full row props: the toolview runtime share plus the standard locale seat. */
+type FileMutationRowProps = ToolRowProps & PropsLocale<'conversation'>
+
+/**
+ * File-mutation row: icon + {Edit,Write} · {path} in the shared ToolRow chrome,
+ * with the applied diff as the row's collapsed-by-default card body. The
+ * summary is a path link (a file tool's interaction); the host's `openFile`
+ * resolves it against the session cwd, so this passes the tool's own path
+ * verbatim. An errored mutation has no diff card, so ToolRow surfaces the
+ * model-facing error text through its Output section and its first line in the
+ * collapsed summary instead.
+ */
+export function FileMutationRow({ toolName, block, cwd, openFile, inspect, t }: FileMutationRowProps) {
+  const model = toolRowModel(toolName, block, cwd)
+  const diff = diffCardModel(block)
+  return (
+    <ToolRow
+      t={t}
+      variant={model.variant}
+      toolName={toolName}
+      icon={<IconEditOutline16 size={14} />}
+      title={model.title}
+      summary={model.summary}
+      body={null}
+      output={model.output}
+      errorSummary={model.errorSummary}
+      diff={diff}
+      state={model.state}
+      filePath={model.filePath}
+      onOpenFile={openFile}
+      inspect={inspect}
+    />
+  )
+}
+
+/**
+ * The file-mutation rows as a plain registrant plugin. `inject` carries the
+ * load-order seam: requiring the conversation service guarantees the chat entry
+ * (and with it the 'conversation.chat.toolview' declaration) is registered —
+ * ui-conversation's apply mounts the service after the chat entry.
+ */
+export const fileMutationToolview = {
+  name: 'file-mutation-toolview',
+  inject: ['slots', 'conversation'],
+  /**
+   * Register the file-mutation row into the chat view's keyed toolview hole
+   * under both mutation tool names.
+   * @param ctx - registrant context (disposal rides ctx.effect inside slots.register).
+   */
+  apply(ctx: Context): void {
+    ctx.slots.register({ name: 'conversation.chat.toolview', key: 'edit', locale: NS }, FileMutationRow)
+    ctx.slots.register({ name: 'conversation.chat.toolview', key: 'write', locale: NS }, FileMutationRow)
+  },
+}
diff --git a/packages/client/ui-conversation/src/client/toolviews/read-row.tsx b/packages/client/ui-conversation/src/client/toolviews/read-row.tsx
new file mode 100644
index 0000000000..8d3694eeef
--- /dev/null
+++ b/packages/client/ui-conversation/src/client/toolviews/read-row.tsx
@@ -0,0 +1,66 @@
+// Read toolview registrant: the keyed toolview hole for the read tool. The row
+// composes the shared ToolRow (chrome, running sweep, whole-row expand) and
+// feeds it the file's line-numbered, syntax-highlighted content as ToolRow's
+// `read` card material, so it renders through ReadBlock in the collapsed-by-
+// default expanded body — the same unified interaction every other card row
+// has. The summary path is an openable host link. A running read (no result
+// yet) and a non-read result render the summary row alone: the read intent is
+// result-side only, so there is no running-state read card to draw.
+
+import type { Context } from 'cordis'
+import { IconBrowseOutline16 } from '@deepseek-ai/dsh-client-ui-primitives'
+import type { PropsLocale } from '@deepseek-ai/dsh-client-ui-slots'
+import type { ToolRowProps } from '../contract/slots.ts'
+import { readCardModel } from '../contract/read-card-model.ts'
+import { toolRowModel } from '../contract/tool-call-model.ts'
+import { ToolRow } from '../chat/ToolRow.tsx'
+import { NS } from '../locales.ts'
+
+/** Full row props: the toolview runtime share plus the standard locale seat. */
+type ReadRowProps = ToolRowProps & PropsLocale<'conversation'>
+
+/**
+ * Read row: icon + Read · {path} in the shared ToolRow chrome, with the file's
+ * read card as the row's collapsed-by-default card body. The summary path is an
+ * openable host link when the row names a single file.
+ */
+export function ReadRow({ toolName, block, cwd, openFile, inspect, t }: ReadRowProps) {
+  const model = toolRowModel(toolName, block, cwd)
+  const read = readCardModel(block, cwd)
+  return (
+    <ToolRow
+      t={t}
+      variant={model.variant}
+      toolName={toolName}
+      icon={<IconBrowseOutline16 size={14} />}
+      title={model.title}
+      summary={model.summary}
+      body={null}
+      output={model.output}
+      errorSummary={model.errorSummary}
+      read={read}
+      state={model.state}
+      filePath={model.filePath}
+      onOpenFile={openFile}
+      inspect={inspect}
+    />
+  )
+}
+
+/**
+ * The read row as a plain registrant plugin. `inject` carries the load-order
+ * seam: requiring the conversation service guarantees the chat entry (and with
+ * it the 'conversation.chat.toolview' declaration) is registered —
+ * ui-conversation's apply mounts the service after the chat entry.
+ */
+export const readToolview = {
+  name: 'read-toolview',
+  inject: ['slots', 'conversation'],
+  /**
+   * Register the read row into the chat view's keyed toolview hole.
+   * @param ctx - registrant context (disposal rides ctx.effect inside slots.register).
+   */
+  apply(ctx: Context): void {
+    ctx.slots.register({ name: 'conversation.chat.toolview', key: 'read', locale: NS }, ReadRow)
+  },
+}
diff --git a/packages/client/ui-conversation/src/client/toolviews/search-row.tsx b/packages/client/ui-conversation/src/client/toolviews/search-row.tsx
new file mode 100644
index 0000000000..0e8a90ed7a
--- /dev/null
+++ b/packages/client/ui-conversation/src/client/toolviews/search-row.tsx
@@ -0,0 +1,82 @@
+// Search toolview registrant: the keyed toolview hole for the `grep` and `glob`
+// tools. One SearchRow component registered under both, since both declare the
+// same `card: 'search'` render intent and render as one visual object; the
+// derived model's `kind` decides the card shape (grouped matches or a path
+// list). The row composes the shared ToolRow (chrome, running sweep, whole-row
+// expand) and feeds it the completed search as ToolRow's `search` card
+// material, so it renders through SearchBlock in the collapsed-by-default
+// expanded body — with a capped search's recovery footer below the card. A
+// search declares its render intent result-time only, so a running row is the
+// summary line alone; a settled call with no search card (an errored search, a
+// nested run_code sub-dispatch, a legacy generic result) surfaces its
+// model-facing text through ToolRow's Output section instead.
+
+import type { Context } from 'cordis'
+import { IconSearchOutline16 } from '@deepseek-ai/dsh-client-ui-primitives'
+import type { PropsLocale } from '@deepseek-ai/dsh-client-ui-slots'
+import type { ToolRowProps } from '../contract/slots.ts'
+import { searchCardModel } from '../contract/search-card-model.ts'
+import { toolRowModel } from '../contract/tool-call-model.ts'
+import { ToolRow } from '../chat/ToolRow.tsx'
+import { NS } from '../locales.ts'
+
+/** Full row props: the toolview runtime share plus the standard locale seat. */
+type SearchRowProps = ToolRowProps & PropsLocale<'conversation'>
+
+/**
+ * Search row: icon + Search · {summary} in the shared ToolRow chrome, with the
+ * completed search's card as the row's collapsed-by-default card body (a capped
+ * search's recovery footer rides below it, inside ToolRow). Registered under
+ * both `grep` and `glob`; the derived model's `kind` decides the card shape. A
+ * settled call with no search card surfaces its model-facing text through
+ * ToolRow's Output section, since the keyed SearchRow owns this render slot.
+ */
+export function SearchRow({ toolName, block, inspect, t }: SearchRowProps) {
+  const model = toolRowModel(toolName, block)
+  const search = searchCardModel(block)
+  return (
+    <ToolRow
+      t={t}
+      variant={model.variant}
+      toolName={toolName}
+      icon={<IconSearchOutline16 size={14} />}
+      title={model.title}
+      // The result view's replacement title outranks the args-derived summary,
+      // matching the terminal card's description precedence.
+      summary={search?.title ?? model.summary}
+      body={null}
+      // A settled call with no search card (errored search, nested run_code
+      // sub-dispatch, legacy generic result) has its text nowhere else to go;
+      // ToolRow's Output section carries it, and errorSummary its first line.
+      // When a card is present ToolRow renders it instead of the output, so
+      // passing model.output unconditionally is safe and keeps the four card
+      // rows symmetric.
+      output={model.output}
+      errorSummary={model.errorSummary}
+      search={search}
+      state={model.state}
+      inspect={inspect}
+    />
+  )
+}
+
+/**
+ * The search toolview as a plain registrant plugin. `inject` carries the
+ * load-order seam: requiring the conversation service guarantees the chat entry
+ * (and with it the 'conversation.chat.toolview' declaration) is registered.
+ * The one component registers under both keys, since `grep` and `glob` are the
+ * same visual object discriminated only by the result view's `kind`.
+ */
+export const searchToolview = {
+  name: 'search-toolview',
+  inject: ['slots', 'conversation'],
+  /**
+   * Register the search row into the chat view's keyed toolview hole under both
+   * the `grep` and `glob` tool names.
+   * @param ctx - registrant context (disposal rides ctx.effect inside slots.register).
+   */
+  apply(ctx: Context): void {
+    ctx.slots.register({ name: 'conversation.chat.toolview', key: 'grep', locale: NS }, SearchRow)
+    ctx.slots.register({ name: 'conversation.chat.toolview', key: 'glob', locale: NS }, SearchRow)
+  },
+}
diff --git a/packages/client/ui-conversation/src/client/toolviews/todo-row.tsx b/packages/client/ui-conversation/src/client/toolviews/todo-row.tsx
index 17fa7fb50a..e6abaa171f 100644
--- a/packages/client/ui-conversation/src/client/toolviews/todo-row.tsx
+++ b/packages/client/ui-conversation/src/client/toolviews/todo-row.tsx
@@ -1,10 +1,10 @@
 // todo_write toolview: plan-flavored summary row replacing the generic
 // "Tool call" card, registered into the keyed 'conversation.chat.toolview'
 // hole like the bash sample (a product registration, not a sample). The row
-// composes ToolRow (chrome, running sweep, leading expansion) and swaps in a
+// composes ToolRow (chrome, running sweep, whole-row expand) and swaps in a
 // summary of the written list (counts + active item) from the call args; the
 // durable list itself renders in the TodoPanel above the composer, so the
-// row stays one line.
+// row stays one line until expanded.
 
 import { IconChecklistOutline14 } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { Context } from 'cordis'
@@ -45,10 +45,11 @@ function summarize(argsRaw: string, t: TodoRowProps['t']): string | null {
     : head
 }
 
-/** One-line plan update row (leading toggle expands the raw args). Non-ok
- *  execution states keep the shared row's dot semantics — a cancelled call
- *  wrote no todo/write, so it must not read as a completed update. */
-export function TodoRow({ toolName, block, t }: TodoRowProps) {
+/** One-line plan update row (the whole row toggles the call's Input/Output
+ *  sections, ToolRow's unified expand). Non-ok execution states keep the
+ *  shared row's dot semantics — a cancelled call wrote no todo/write, so it
+ *  must not read as a completed update. */
+export function TodoRow({ toolName, block, inspect, t }: TodoRowProps) {
   const model = toolRowModel(toolName, block)
   const argsRaw = ('kind' in block ? block.call?.argsRaw : block.argsRaw) ?? ''
   const summary = summarize(argsRaw, t) ?? model.summary
@@ -61,7 +62,10 @@ export function TodoRow({ toolName, block, t }: TodoRowProps) {
       title={t('todo.rowTitle')}
       summary={summary}
       body={model.body}
+      output={model.output}
+      errorSummary={model.errorSummary}
       state={model.state}
+      inspect={inspect}
     />
   )
 }
diff --git a/packages/client/ui-conversation/src/client/toolviews/web-row.tsx b/packages/client/ui-conversation/src/client/toolviews/web-row.tsx
new file mode 100644
index 0000000000..4d8ab5f59f
--- /dev/null
+++ b/packages/client/ui-conversation/src/client/toolviews/web-row.tsx
@@ -0,0 +1,74 @@
+// Web toolview registrant: the keyed toolview hole for the `web_search` and
+// `web_fetch` tools. Registered under BOTH, since both declare the one `web`
+// render intent and render through the one WebBlock family; the row
+// discriminates on the toolName only to pick its icon and title. The row
+// composes the shared ToolRow (chrome, running sweep, whole-row expand) and
+// feeds it the completed retrieval as ToolRow's `web` card material, so it
+// renders through WebBlock in the collapsed-by-default expanded body — the same
+// unified interaction every other card row has. Until the call settles there is
+// no web card (the tools keep a generic pending view), so a running row is the
+// summary line alone.
+
+import type { Context } from 'cordis'
+import { IconBrowseOutline16, IconSearchOutline16 } from '@deepseek-ai/dsh-client-ui-primitives'
+import type { PropsLocale } from '@deepseek-ai/dsh-client-ui-slots'
+import type { ToolRowProps } from '../contract/slots.ts'
+import { webCardModel } from '../contract/web-card-model.ts'
+import { toolRowModel } from '../contract/tool-call-model.ts'
+import { ToolRow } from '../chat/ToolRow.tsx'
+import { NS } from '../locales.ts'
+
+/** Full row props: the toolview runtime share plus the standard locale seat. */
+type WebRowProps = ToolRowProps & PropsLocale<'conversation'>
+
+/** web_fetch reads one URL; web_search queries. Titles are figma literals. */
+const WEB_TITLES: Record<string, string> = {
+  web_search: 'Search',
+  web_fetch: 'Fetch',
+}
+
+/**
+ * Web row: icon + Search/Fetch · {summary} in the shared ToolRow chrome, with
+ * the completed retrieval's web card as the row's collapsed-by-default card
+ * body. The row discriminates on `toolName` only to pick its icon and title.
+ */
+export function WebRow({ toolName, block, inspect, t }: WebRowProps) {
+  const model = toolRowModel(toolName, block)
+  const web = webCardModel(block)
+  const icon = toolName === 'web_fetch' ? <IconBrowseOutline16 size={14} /> : <IconSearchOutline16 size={14} />
+  return (
+    <ToolRow
+      t={t}
+      variant={model.variant}
+      toolName={toolName}
+      icon={icon}
+      title={WEB_TITLES[toolName] ?? model.title}
+      summary={model.summary}
+      body={null}
+      output={model.output}
+      errorSummary={model.errorSummary}
+      web={web}
+      state={model.state}
+      inspect={inspect}
+    />
+  )
+}
+
+/**
+ * The web rows as a plain registrant plugin, riding the same load-order seam as
+ * the bash sample: `inject: ['conversation']` guarantees the chat entry (and
+ * with it the 'conversation.chat.toolview' declaration) is on the ledger. One
+ * WebRow component registers under both web tool names.
+ */
+export const webToolview = {
+  name: 'web-toolview',
+  inject: ['slots', 'conversation'],
+  /**
+   * Register the web row under both web tool names' keyed toolview holes.
+   * @param ctx - registrant context (disposal rides ctx.effect inside slots.register).
+   */
+  apply(ctx: Context): void {
+    ctx.slots.register({ name: 'conversation.chat.toolview', key: 'web_search', locale: NS }, WebRow)
+    ctx.slots.register({ name: 'conversation.chat.toolview', key: 'web_fetch', locale: NS }, WebRow)
+  },
+}
diff --git a/packages/client/ui-conversation/tests/apply-inject.spec.tsx b/packages/client/ui-conversation/tests/apply-inject.spec.tsx
index 367b3519e9..cfbb0fdcbe 100644
--- a/packages/client/ui-conversation/tests/apply-inject.spec.tsx
+++ b/packages/client/ui-conversation/tests/apply-inject.spec.tsx
@@ -15,7 +15,7 @@
 // chat-toolview-slot.spec.tsx.
 
 import { describe, expect, it, vi } from 'vitest'
-import { SlotTestRuntime } from '@deepseek-ai/dsh-client-test-runtime'
+import { SlotTestRuntime, usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import type { SessionBehaviorOverrides } from '@deepseek-ai/dsh-client-test-runtime'
 import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
 import type { ISession, SessionId } from '@deepseek-ai/dsh-client-runtime/client'
@@ -25,6 +25,10 @@ import type {
 } from '@deepseek-ai/dsh-client-ui-conversation/client'
 import type { createChatStore } from '../src/client/stores.ts'
 
+// The service reads its initial locale from the browser; these specs assert
+// the shipped Chinese copy, so they state the browser they assume.
+usePinnedBrowserLanguages('zh-CN')
+
 const ROOT = 'root-1' as SessionId
 
 type ChatInstance = ReturnType<ReturnType<typeof createChatStore>['create']>
@@ -101,7 +105,7 @@ async function bench() {
     }
     const actions = info.props['inputActions'] as {
       setDraft: (text: string) => void
-      submit: (mode?: 'queue' | 'steer') => void
+      submit: () => void
     }
     return { state, actions }
   }
@@ -140,25 +144,25 @@ describe('conversation slot inject surface', () => {
     const { state, actions } = b.inputSurface(ROOT)
     // Whitespace-only: the machine treats it as empty — no prompt, draft kept.
     actions.setDraft('   ')
-    actions.submit('queue')
+    actions.submit()
     expect(b.sessionFake.prompt).not.toHaveBeenCalled()
     expect(state.getSnapshot().draft).toBe('   ')
     // Success: cleared and stays cleared.
     actions.setDraft('hello')
-    actions.submit('queue')
+    actions.submit()
     expect(state.getSnapshot().draft).toBe('')
     await Promise.resolve()
     expect(b.sessionFake.prompt).toHaveBeenCalledWith([{ type: 'text', text: 'hello' }], 'queue')
     // Failure: restored (draft still empty when the rejection lands).
     b.sessionFake.prompt.mockResolvedValueOnce({ ok: false, error: { code: 'agent-busy', message: 'b', details: { reason: 'b' } } })
     actions.setDraft('retry me')
-    actions.submit('queue')
+    actions.submit()
     await vi.waitFor(() => {
       expect(state.getSnapshot().draft).toBe('retry me')
     })
     // Failure landing after new typing: no clobber (restore fills empty only).
     b.sessionFake.prompt.mockResolvedValueOnce({ ok: false, error: { code: 'agent-busy', message: 'b', details: { reason: 'b' } } })
-    actions.submit('queue')
+    actions.submit()
     actions.setDraft('typed during flight')
     await new Promise(r => setTimeout(r, 0))
     expect(state.getSnapshot().draft).toBe('typed during flight')
@@ -188,9 +192,11 @@ describe('conversation slot inject surface', () => {
     // hooks compartment still present so the render side's hook order holds.
     const absent = injectFn(undefined)
     expect(absent.keyboard).toBeUndefined()
+    expect(absent.toggleCommandMenu).toBeUndefined()
     expect(absent.stop).toBeUndefined()
     expect(absent.hooks.notices.getSnapshot()).toBeNull()
     expect(absent.hooks.lexicon.getSnapshot().size).toBe(0)
+    expect(absent.hooks.menuLauncher.getSnapshot()).toBeNull()
     // A scope whose service tree lost 'conversation' (the feature fiber
     // unloaded while a retained inject closure re-runs): fails loud too.
     const stop = injectFn(ROOT).stop!
@@ -222,12 +228,9 @@ describe('conversation slot inject surface', () => {
     await b.runtime.dispose()
   })
 
-  it('routes navigation and workspace switching through the runtime owners, carrying the draft', async () => {
+  it('routes workspace switching through the runtime owner, carrying the draft', async () => {
     const b = await bench()
-    const { injected } = b.conversationSurface(ROOT)
     const resident = b.residentSurface(ROOT)
-    injected.open(ROOT)
-    expect(b.runtime.sessions.calls).toContainEqual({ method: 'open', args: [ROOT] })
     // Same-session connect (the picked workspace resolves to this session):
     // no draft movement, plain re-open.
     b.runtime.workspaces.stub('connectWorkspace', () => Promise.resolve(ROOT))
@@ -235,7 +238,7 @@ describe('conversation slot inject surface', () => {
     actions.setDraft('carry me')
     void resident.selectWorkspace('workspace-1' as never)
     await vi.waitFor(() => {
-      expect(b.runtime.sessions.calls.filter(c => c.method === 'open')).toHaveLength(2)
+      expect(b.runtime.sessions.calls.filter(c => c.method === 'open')).toHaveLength(1)
     })
     expect(b.runtime.workspaces.calls).toContainEqual({ method: 'connectWorkspace', args: ['workspace-1'] })
     expect(state.getSnapshot().draft).toBe('carry me')
diff --git a/packages/client/ui-conversation/tests/assembly-surfaces.spec.tsx b/packages/client/ui-conversation/tests/assembly-surfaces.spec.tsx
index 87b663dfc7..8e66dd7541 100644
--- a/packages/client/ui-conversation/tests/assembly-surfaces.spec.tsx
+++ b/packages/client/ui-conversation/tests/assembly-surfaces.spec.tsx
@@ -20,13 +20,17 @@
  * suite only proves the assembled wiring.
  */
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
-import { cleanup, fireEvent, waitFor, within } from '@testing-library/react'
+import { cleanup, fireEvent, waitFor } from '@testing-library/react'
 import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
 import type { ISession, SessionId, TodoItem, ToolResultNode } from '@deepseek-ai/dsh-client-runtime/client'
 import type { PropsRenderSlots } from '@deepseek-ai/dsh-client-ui-slots'
-import { SlotTestRuntime } from '@deepseek-ai/dsh-client-test-runtime'
+import { SlotTestRuntime, usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import { apply, inject } from '@deepseek-ai/dsh-client-ui-conversation/client'
 
+// The service reads its initial locale from the browser; these specs assert
+// the shipped Chinese copy, so they state the browser they assume.
+usePinnedBrowserLanguages('zh-CN')
+
 const SID = 's1' as SessionId
 
 /** jsdom has no ResizeObserver; the composer seat publishes its height through one. */
@@ -136,7 +140,7 @@ describe('todo_write assembly (product registrations, no outlet twins)', () => {
 })
 
 describe('terminal card assembly', () => {
-  it('the keyed bash row carries a resident terminal card; the fallback row reaches one through expand', async () => {
+  it('both the keyed bash row and the fallback row reach the terminal card through the whole-row expand', async () => {
     const runtime = await bench([
       bashResult(3, 'c-keyed'),
       // An unregistered tool with terminal views: GenericToolCard fallback.
@@ -144,15 +148,20 @@ describe('terminal card assembly', () => {
     ])
     const view = runtime.renderRoot()
 
-    // Keyed BashRow renders the card residently (no expand gesture).
-    const keyed = view.container.querySelector('[data-sample="bash-global"]')?.parentElement
-    expect(keyed?.querySelector('[data-terminal]')).not.toBeNull()
+    // Keyed BashRow: collapsed by default, the whole summary row is the toggle.
+    const keyedRow = view.container.querySelector('[data-sample="bash-global"]')
+    const keyed = keyedRow?.parentElement
+    expect(keyed?.querySelector('[data-terminal]')).toBeNull()
+    fireEvent.click(keyedRow!)
+    await waitFor(() => {
+      expect(keyed!.querySelector('[data-terminal]')).not.toBeNull()
+    })
 
-    // Fallback row: card appears only after its expand control.
+    // Fallback row: same unified expand interaction.
     const fallback = view.container.querySelector('[data-tool="fx-bash"]')
     expect(fallback).not.toBeNull()
     expect(fallback!.querySelector('[data-terminal]')).toBeNull()
-    fireEvent.click(fallback!.querySelector('button[aria-expanded]')!)
+    fireEvent.click(fallback!.querySelector('[data-expandable]')!)
     await waitFor(() => {
       expect(fallback!.querySelector('[data-terminal]')).not.toBeNull()
     })
@@ -247,16 +256,14 @@ describe('prompt rejection through the assembled composer', () => {
 })
 
 describe('title projection across assembled surfaces', () => {
-  it('one summary update re-labels the breadcrumb and document.title consumers together', async () => {
+  it('one summary update re-labels the current-session heading', async () => {
     const runtime = await bench([])
     const view = runtime.renderRoot()
-    // The strict session header breadcrumb reads useSessions ancestry.
-    const crumb = within(view.container.querySelector('[aria-label="会话层级"]') as HTMLElement)
-    expect(crumb.getByText('S')).toBeTruthy()
+    expect(view.getByRole('heading', { name: 'S', level: 1 })).toBeTruthy()
 
     await runtime.sessions.updateSummary(SID, { displayTitle: '修订标题', title: '修订标题' })
-    await waitFor(() => { expect(crumb.getByText('修订标题')).toBeTruthy() })
-    expect(crumb.queryByText('S')).toBeNull()
+    await waitFor(() => { expect(view.getByRole('heading', { name: '修订标题', level: 1 })).toBeTruthy() })
+    expect(view.queryByRole('heading', { name: 'S', level: 1 })).toBeNull()
     await runtime.dispose()
   })
 })
diff --git a/packages/client/ui-conversation/tests/chat-apply.spec.tsx b/packages/client/ui-conversation/tests/chat-apply.spec.tsx
index 3ba318ff74..d3fabd9bee 100644
--- a/packages/client/ui-conversation/tests/chat-apply.spec.tsx
+++ b/packages/client/ui-conversation/tests/chat-apply.spec.tsx
@@ -9,12 +9,16 @@
 // stops at the assembly surface.
 
 import { describe, expect, it, vi } from 'vitest'
-import { SlotTestRuntime } from '@deepseek-ai/dsh-client-test-runtime'
+import { SlotTestRuntime, usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import { resolveSlotLabel } from '@deepseek-ai/dsh-client-ui-slots'
 import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
 import type { SessionId } from '@deepseek-ai/dsh-client-runtime/client'
 import { apply, inject } from '@deepseek-ai/dsh-client-ui-conversation/client'
 
+// The service reads its initial locale from the browser; these specs assert
+// the shipped Chinese copy, so they state the browser they assume.
+usePinnedBrowserLanguages('zh-CN')
+
 const ROOT = 'root-1' as SessionId
 const CHILD = 'child-1' as SessionId
 
@@ -84,12 +88,15 @@ describe('apply wiring', () => {
     await b.runtime.dispose()
   })
 
-  it('mounts the bash sample and the product rows as keyed entries through the load-order seam', async () => {
+  it('mounts the bash sample, the read row, the file-mutation rows, the search rows (grep + glob), the web rows, and the product rows as keyed entries through the load-order seam', async () => {
     const b = await bench()
     // Every registrant plugin's inject: ['slots', 'conversation'] resolved — the
-    // service being present implies the chat entry declared the hole first.
+    // service being present implies the chat entry declared the hole first. The
+    // file-mutation registrant claims both write and edit for the diff card; the
+    // one search row registers under both grep and glob; the web rows register
+    // one component under both web tool names.
     const entries = b.slots.entries('conversation.chat.toolview')
-    expect(entries.map(e => e.options.key)).toEqual(['bash', 'todo_write', 'ask_user_question'])
+    expect(entries.map(e => e.options.key)).toEqual(['bash', 'read', 'edit', 'write', 'grep', 'glob', 'web_search', 'web_fetch', 'todo_write', 'ask_user_question'])
     // Stats stick with the composer (not inside ChatView).
     expect(b.slots.entries('conversation.composer.dock').map(e => e.options.id)).toEqual(['stats'])
     await b.runtime.dispose()
diff --git a/packages/client/ui-conversation/tests/chat-branch-tails.spec.tsx b/packages/client/ui-conversation/tests/chat-branch-tails.spec.tsx
index a88d1175ee..a829f6f04a 100644
--- a/packages/client/ui-conversation/tests/chat-branch-tails.spec.tsx
+++ b/packages/client/ui-conversation/tests/chat-branch-tails.spec.tsx
@@ -18,13 +18,16 @@ import { AssistantMarkdown } from '../src/client/chat/AssistantMarkdown.tsx'
 import { StatsLine, type StatsLineProps } from '../src/client/chat/StatsLine.tsx'
 import { zh } from '../src/client/locales.ts'
 
-afterEach(cleanup)
+afterEach(() => {
+  cleanup()
+  vi.useRealTimers()
+})
 
 // Mirrors the real lookup chain (conversation namespace, then common).
 const t: MessageItemProps['t'] = makeTranslate(zh, commonZh)
 
 describe('MessageItem arms', () => {
-  it('user bubbles expose clock / copy / branch / edit; copy writes the text', () => {
+  it('user bubbles expose clock / copy / branch and no edit; copy writes the text', () => {
     const writeText = vi.fn().mockResolvedValue(undefined)
     Object.defineProperty(navigator, 'clipboard', {
       configurable: true,
@@ -44,7 +47,7 @@ describe('MessageItem arms', () => {
     expect(screen.getByText('14:24')).toBeTruthy()
     expect(screen.getByRole('button', { name: '复制' })).toBeTruthy()
     expect(screen.getByRole('button', { name: '在新对话中分支' })).toBeTruthy()
-    expect(screen.getByRole('button', { name: '编辑' })).toBeTruthy()
+    expect(screen.queryByRole('button', { name: '编辑' })).toBeNull()
     fireEvent.click(screen.getByRole('button', { name: '复制' }))
     expect(writeText).toHaveBeenCalledWith('hello bubble')
   })
@@ -99,7 +102,7 @@ describe('MessageItem arms', () => {
     fireEvent.click(screen.getByRole('button', { name: '复制' }))
   })
 
-  it('steering bubbles carry the interjection badge and non-text rest blocks, without user actions', () => {
+  it('steering bubbles render text and non-text rest blocks, without user actions or a badge', () => {
     const view = render(
       <MessageItem t={t} node={{
         kind: 'steering', seq: 2, turn: 1, source: null,
@@ -107,7 +110,7 @@ describe('MessageItem arms', () => {
       } as never}
       />,
     )
-    expect(view.getByText('插话')).toBeTruthy()
+    expect(view.queryByText('插话')).toBeNull()
     expect(view.getByText('steer!')).toBeTruthy()
     expect(view.getByText(/附加内容块/)).toBeTruthy()
     expect(view.queryByRole('button', { name: '复制' })).toBeNull()
@@ -160,6 +163,185 @@ describe('MessageItem arms', () => {
     )
     expect(unknownView.getByText(/未知 surface 事件：surface\/next/)).toBeTruthy()
   })
+
+  it('a compaction marker discloses its summary and never shows the framed checkpoint', () => {
+    const view = render(
+      <MessageItem t={t} node={{
+        kind: 'compaction', seq: 5, time: 1_000,
+        summary: '## 摘要标题\n\n保留的事实。',
+      }}
+      />,
+    )
+    const row = view.getByRole('button', { name: /上下文已压缩/ })
+    expect(row.getAttribute('aria-expanded')).toBe('false')
+    expect(view.queryByText(/保留的事实/)).toBeNull()
+    fireEvent.click(row)
+    expect(row.getAttribute('aria-expanded')).toBe('true')
+    expect(view.getByRole('heading', { name: '摘要标题' })).toBeTruthy()
+    fireEvent.click(row)
+    expect(row.getAttribute('aria-expanded')).toBe('false')
+  })
+
+  it('a marker whose provenance fell outside the window is not expandable', () => {
+    const view = render(<MessageItem t={t} node={{ kind: 'compaction', seq: 6, time: 1_000, summary: null }} />)
+    const row = view.getByRole('button', { name: /上下文已压缩/ })
+    expect(row).toHaveProperty('disabled', true)
+    expect(row.getAttribute('aria-expanded')).toBeNull()
+    expect(view.getByText('压缩摘要不可用')).toBeTruthy()
+    fireEvent.click(row) // a disabled control stays collapsed
+    expect(row.getAttribute('aria-expanded')).toBeNull()
+  })
+
+  it('collapses retry details behind the durable model retry status', () => {
+    vi.useFakeTimers()
+    vi.setSystemTime(10_000)
+    const view = render(
+      <MessageItem
+        t={t}
+        retryActive
+        node={{
+          kind: 'model-retry',
+          seq: 5,
+          time: 10_000,
+          retryState: 'scheduled',
+          turn: 1,
+          step: 0,
+          provider: 'mock',
+          mode: 'normal',
+          policyKey: 'mock-normal',
+          retry: 1,
+          maxRetries: 2,
+          delayMs: 2_500.4,
+          failure: { code: 'TRANSPORT', message: '连接被重置' },
+        }}
+      />,
+    )
+    const details = view.container.querySelector('details')
+    const summary = view.container.querySelector('summary')
+    expect(details?.open).toBe(false)
+    expect(details?.dataset.active).toBe('true')
+    expect(view.getByRole('status').textContent).toBe('正在重试模型请求（1/2） · 3s')
+    expect(view.getByText('重试延迟：').parentElement?.textContent).toBe('重试延迟：2500ms')
+    expect(view.getByText('失败原因：').parentElement?.textContent).toBe('失败原因：连接被重置')
+
+    act(() => { vi.advanceTimersByTime(1_100) })
+    expect(view.getByRole('status').textContent).toBe('正在重试模型请求（1/2） · 2s')
+    act(() => { vi.advanceTimersByTime(1_000) })
+    expect(view.getByRole('status').textContent).toBe('正在重试模型请求（1/2） · 1s')
+
+    view.rerender(
+      <MessageItem
+        t={t}
+        retryActive
+        node={{
+          kind: 'model-retry',
+          seq: 6,
+          time: 12_100,
+          retryState: 'scheduled',
+          turn: 2,
+          step: 0,
+          provider: 'mock',
+          mode: 'normal',
+          policyKey: 'mock-normal',
+          retry: 2,
+          maxRetries: 2,
+          delayMs: 3_500.4,
+          failure: { code: 'TRANSPORT', message: '再次断开' },
+        }}
+      />,
+    )
+    expect(view.getByRole('status').textContent).toBe('正在重试模型请求（2/2） · 4s')
+
+    if (summary === null) throw new Error('retry summary missing')
+    fireEvent.click(summary)
+    expect(details?.open).toBe(true)
+
+    view.rerender(
+      <MessageItem t={t} node={{
+        kind: 'model-retry',
+        seq: 6,
+        time: 12_100,
+        retryState: 'started',
+        turn: 2,
+        step: 0,
+        provider: 'mock',
+        mode: 'normal',
+        policyKey: 'mock-normal',
+        retry: 2,
+        maxRetries: 2,
+        delayMs: 3_500.4,
+        failure: { code: 'TRANSPORT', message: '再次断开' },
+      }}
+      />,
+    )
+    expect(details?.dataset.active).toBeUndefined()
+    expect(view.getByRole('status').textContent).toBe('已重试模型请求（2/2） · 4s')
+
+    view.rerender(
+      <MessageItem t={t} node={{
+        kind: 'model-retry',
+        seq: 7,
+        time: 12_100,
+        retryState: 'started',
+        turn: 3,
+        step: 0,
+        provider: 'mock',
+        mode: 'always',
+        policyKey: 'mock-always',
+        retry: 3,
+        delayMs: 3_500.4,
+        failure: { code: 'TRANSPORT', message: '继续重试' },
+      }}
+      />,
+    )
+    expect(view.getByRole('status').textContent).toBe('已重试模型请求（3/∞） · 4s')
+
+    view.rerender(
+      <MessageItem t={t} node={{
+        kind: 'model-retry',
+        seq: 8,
+        time: 12_100,
+        retryState: 'cancelled',
+        turn: 4,
+        step: 0,
+        provider: 'mock',
+        mode: 'normal',
+        policyKey: 'mock-normal',
+        retry: 1,
+        maxRetries: 2,
+        delayMs: 3_500.4,
+        failure: { code: 'TRANSPORT', message: '用户取消' },
+      }}
+      />,
+    )
+    expect(view.getByRole('status').textContent).toBe('模型请求重试已取消（1/2） · 4s')
+  })
+
+  it('synchronizes the countdown when an inactive retry becomes active at the one-second floor', () => {
+    vi.useFakeTimers()
+    vi.setSystemTime(10_000)
+    const node = {
+      kind: 'model-retry',
+      seq: 5,
+      time: 10_000,
+      retryState: 'scheduled',
+      turn: 1,
+      step: 0,
+      provider: 'mock',
+      mode: 'normal',
+      policyKey: 'mock-normal',
+      retry: 1,
+      maxRetries: 2,
+      delayMs: 5_000,
+      failure: { code: 'TRANSPORT', message: '连接被重置' },
+    } as const
+    const view = render(<MessageItem t={t} node={node} />)
+    expect(view.getByRole('status').textContent).toBe('等待重试模型请求（1/2） · 5s')
+
+    act(() => { vi.advanceTimersByTime(4_200) })
+    view.rerender(<MessageItem t={t} node={node} retryActive />)
+    expect(view.getByRole('status').textContent).toBe('正在重试模型请求（1/2） · 1s')
+  })
 })
 
 describe('formatMessageClock', () => {
@@ -263,14 +445,19 @@ describe('small branch tails', () => {
   })
 
   it('StatsLine omits the cache-hit segment when no input accounting exists at all', () => {
-    // cacheHitPct is null only when input+cacheRead are both zero (pure
-    // output accounting) — any input makes it a real 0%.
+    // Cache hit is null only when all three prompt buckets are zero (pure
+    // output accounting) — any billed input makes it a real 0%.
     const snap = {
       nodes: [{ kind: 'assistant', seq: 1, turn: 1, step: 1, blocks: [], usage: { outputTokens: 10 } }],
     }
     const source = { getSnapshot: () => snap, subscribe: () => () => {} }
     const view = render(
-      <StatsLine useSession={bindSnapshotSelector(source) as unknown as StatsLineProps['useSession']} />,
+      <StatsLine
+        useSession={bindSnapshotSelector(source) as unknown as StatsLineProps['useSession']}
+        useProjection={(key: string) => key === 'tokenUsage'
+          ? { uncachedInputTokens: 0, outputTokens: 10, cacheReadTokens: 0, cacheWriteTokens: 0 }
+          : undefined}
+      />,
     )
     expect(view.container.textContent).toBe('1 turns · 1 steps|Input 0 tok · Output 10 tok')
   })
diff --git a/packages/client/ui-conversation/tests/chat-code-subcalls.spec.tsx b/packages/client/ui-conversation/tests/chat-code-subcalls.spec.tsx
index cdf23370c3..bafc6fe709 100644
--- a/packages/client/ui-conversation/tests/chat-code-subcalls.spec.tsx
+++ b/packages/client/ui-conversation/tests/chat-code-subcalls.spec.tsx
@@ -67,7 +67,7 @@ function snapshotWith(
   runningCalls: RunningToolCall[] = [],
 ): ConversationSnapshot {
   return {
-    sessionId: SID, nodes, foldDegraded: false, partial: null, runningCalls, codeDispatches,
+    sessionId: SID, nodes, partial: null, runningCalls, codeDispatches,
     pending: [], queue: [], running: runningCalls.length > 0, composerPhase: 'active', removed: false,
     openState: 'open', openError: null,
     hasMore: false, loadingOlder: false, promptError: null, blank: false, lastAgentError: null,
@@ -128,7 +128,7 @@ async function bench(snapshot: ConversationSnapshot) {
   ctx.provide('sessions', sessionsFake)
   const workspaces = {
     list: createSnapshotStore<WorkspaceListState>({
-      items: [], state: 'idle', phase: 'ready', error: null,
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
       baselinesReady: true, recentWorkspaceId: undefined,
     }),
     startSession: vi.fn(),
@@ -205,7 +205,7 @@ describe('run_code sub-calls through the real chat machinery', () => {
     expect(nest.querySelector('[data-tool="cordis_unmount"]')?.textContent)
       .toContain('Unmount temporary Plugindyn-2')
 
-    fireEvent.click(mounted!.querySelector('button[aria-expanded]')!)
+    fireEvent.click(mounted!.querySelector('[data-expandable]')!)
     expect(mounted!.querySelector('pre.shiki')?.textContent).toBe(code)
   })
 
@@ -213,8 +213,8 @@ describe('run_code sub-calls through the real chat machinery', () => {
     const parent = 'call-64'
     const b = await bench(snapshotWith([codeResult(10, parent)], new Map()))
     const view = mountApp(b.slots)
-    // The code row is expandable via its leading control (body = the program).
-    const toggle = view.container.querySelector('[data-variant="code"] button[aria-expanded]')
+    // The code row is expandable via the whole summary row (body = the program).
+    const toggle = view.container.querySelector('[data-variant="code"] [data-expandable]')
     expect(toggle).not.toBeNull()
     fireEvent.click(toggle!)
     // Shiki splits the program into token spans inside one <pre class="shiki">:
diff --git a/packages/client/ui-conversation/tests/chat-stats-bash-sample.spec.tsx b/packages/client/ui-conversation/tests/chat-stats-bash-sample.spec.tsx
index 2de84e4799..512ca2a86c 100644
--- a/packages/client/ui-conversation/tests/chat-stats-bash-sample.spec.tsx
+++ b/packages/client/ui-conversation/tests/chat-stats-bash-sample.spec.tsx
@@ -33,7 +33,7 @@ const assistant = (seq: number, turn: number, usage?: unknown): AssistantMessage
 
 function snapshotBase(): ConversationSnapshot {
   return {
-    sessionId: SID, nodes: [], foldDegraded: false, partial: null, runningCalls: [], codeDispatches: new Map(),
+    sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
     pending: [], queue: [], running: false, composerPhase: 'active', removed: false, openState: 'open', openError: null,
     hasMore: false, loadingOlder: false, promptError: null, blank: false, lastAgentError: null,
   }
@@ -58,7 +58,7 @@ function makeSource(init?: Partial<ConversationSnapshot>) {
 }
 
 describe('deriveStats', () => {
-  it('folds turns/steps/token split and cache hit percentage', () => {
+  it('counts turns and steps and never folds node usage into accounting', () => {
     const stats = deriveStats([
       assistant(1, 1, { inputTokens: 100, outputTokens: 50, cacheReadTokens: 900 }),
       assistant(2, 1, { inputTokens: 100, outputTokens: 50 }),
@@ -66,12 +66,12 @@ describe('deriveStats', () => {
     ])
     expect(stats.turns).toBe(2)
     expect(stats.steps).toBe(3)
-    expect(stats.inputTokens).toBe(1100)
-    expect(stats.outputTokens).toBe(100)
-    expect(stats.cacheHitPct).toBe(82)
+    // Window-scoped by design: the paged window is not an accounting source, so
+    // the fold exposes no token fields at all (billing rides the projection).
+    expect(Object.keys(stats).sort()).toEqual(['llmMs', 'steps', 'toolMs', 'turns'])
   })
 
-  it('cache hit stays null with no cache accounting; out-of-window tool results ignored', () => {
+  it('ignores tool results with no call time', () => {
     const tool: ToolResultNode = {
       kind: 'tool-result', seq: 5, time: 5_000, callId: 'c', call: null, callTime: null, content: [],
       isError: false, callView: null, resultView: null,
@@ -79,7 +79,6 @@ describe('deriveStats', () => {
     const stats = deriveStats([tool, assistant(1, 1)])
     expect(stats.steps).toBe(1)
     expect(stats.toolMs).toBe(0)
-    expect(stats.cacheHitPct).toBeNull()
   })
 
   it('sums LLM wall time from assistant timing and tool wall time from call/result pairs', () => {
@@ -116,22 +115,105 @@ describe('formatters', () => {
 })
 
 describe('StatsLine', () => {
-  function props(source: { getSnapshot(): ConversationSnapshot; subscribe(fn: () => void): () => void }): StatsLineProps {
-    return { useSession: bindSnapshotSelector(source) }
+  const USAGE = { uncachedInputTokens: 10, outputTokens: 5, cacheReadTokens: 90, cacheWriteTokens: 0 }
+
+  /** Stub the projection seat: a key-addressed table of whole values. */
+  function projections(values: Record<string, unknown>): StatsLineProps['useProjection'] {
+    return (key: string) => values[key]
   }
 
-  it('renders the grouped stats row and hides with zero steps', () => {
-    const { source } = makeSource({
-      nodes: [assistant(1, 1, { inputTokens: 10, outputTokens: 5, cacheReadTokens: 90 })],
-    })
+  function props(
+    source: { getSnapshot(): ConversationSnapshot; subscribe(fn: () => void): () => void },
+    values: Record<string, unknown> = { tokenUsage: USAGE },
+  ): StatsLineProps {
+    return { useSession: bindSnapshotSelector(source), useProjection: projections(values) }
+  }
+
+  it('renders the grouped stats row and hides a brand-new empty session', () => {
+    const { source } = makeSource({ nodes: [assistant(1, 1)] })
     const view = render(<StatsLine {...props(source)} />)
-    // No timing on the fixture: the duration group drops out whole.
+    // No timing on the fixture: the duration group drops out whole. Tokens come
+    // from the projection, so paging the window cannot change them.
     expect(view.container.textContent).toBe('1 turns · 1 steps|Cache hit 90%|Input 100 tok · Output 5 tok')
     const empty = makeSource()
-    const emptyView = render(<StatsLine {...props(empty.source)} />)
+    const emptyView = render(<StatsLine {...props(empty.source, {
+      tokenUsage: { uncachedInputTokens: 0, outputTokens: 0, cacheReadTokens: 0, cacheWriteTokens: 0 },
+      contextPressure: {},
+    })} />)
     expect(emptyView.container.textContent).toBe('')
   })
 
+  it('keeps durable token and context groups after the visible step window is empty', () => {
+    const { source } = makeSource()
+    const view = render(<StatsLine {...props(source, {
+      tokenUsage: USAGE,
+      contextPressure: { pressureTokens: 32_000, contextWindow: 128_000 },
+    })} />)
+    expect(view.container.textContent)
+      .toBe('Context 25% of 128K|Cache hit 90%|Input 100 tok · Output 5 tok')
+  })
+
+  it('renders context occupancy only when the projection knows a capacity', () => {
+    const { source } = makeSource({ nodes: [assistant(1, 1)] })
+    const withCapacity = render(<StatsLine {...props(source, {
+      tokenUsage: USAGE,
+      contextPressure: { pressureTokens: 32_000, contextWindow: 128_000 },
+    })} />)
+    expect(withCapacity.container.textContent).toContain('Context 25% of 128K')
+    // Pressure without capacity has no denominator: the group drops out.
+    const noCapacity = render(<StatsLine {...props(source, {
+      tokenUsage: USAGE,
+      contextPressure: { pressureTokens: 32_000 },
+    })} />)
+    expect(noCapacity.container.textContent).not.toContain('Context')
+    // Capacity arrives before usage in the log; no provider sample means there
+    // is no numerator yet, rather than a synthetic 0%.
+    const noPressure = render(<StatsLine {...props(source, {
+      tokenUsage: USAGE,
+      contextPressure: { contextWindow: 128_000 },
+    })} />)
+    expect(noPressure.container.textContent).not.toContain('Context')
+  })
+
+  it('clamps occupancy at 100% when pressure exceeds the recorded capacity', () => {
+    // Capacity and pressure are independent last-wins fields, so a model switch
+    // can pair a smaller new window with the previous route's larger prompt.
+    const { source } = makeSource({ nodes: [assistant(1, 1)] })
+    const view = render(<StatsLine {...props(source, {
+      tokenUsage: USAGE,
+      contextPressure: { pressureTokens: 300_000, contextWindow: 128_000 },
+    })} />)
+    expect(view.container.textContent).toContain('Context 100% of 128K')
+  })
+
+  it('drops every token group when no projection is composed', () => {
+    const { source } = makeSource({ nodes: [assistant(1, 1)] })
+    const view = render(<StatsLine {...props(source, {})} />)
+    expect(view.container.textContent).toBe('1 turns · 1 steps')
+  })
+
+  it('omits cache hit when nothing was billed on the input side', () => {
+    const { source } = makeSource({ nodes: [assistant(1, 1)] })
+    const view = render(<StatsLine {...props(source, {
+      tokenUsage: { uncachedInputTokens: 0, outputTokens: 7, cacheReadTokens: 0, cacheWriteTokens: 0 },
+    })} />)
+    expect(view.container.textContent).toBe('1 turns · 1 steps|Input 0 tok · Output 7 tok')
+  })
+
+  it('includes cache writes in billed input and the cache-hit denominator', () => {
+    const { source } = makeSource({ nodes: [assistant(1, 1)] })
+    const view = render(<StatsLine {...props(source, {
+      tokenUsage: {
+        uncachedInputTokens: 10,
+        outputTokens: 7,
+        cacheReadTokens: 90,
+        cacheWriteTokens: 100,
+      },
+    })} />)
+    expect(view.container.textContent)
+      .toBe('1 turns · 1 steps|Cache hit 45%|Input 200 tok · Output 7 tok')
+  })
+
   it('renders ZERO times during streaming chunk frames (RFC hard acceptance)', () => {
     const { set, source } = makeSource({ nodes: [assistant(1, 1)] })
     let renders = 0
diff --git a/packages/client/ui-conversation/tests/chat-store.spec.ts b/packages/client/ui-conversation/tests/chat-store.spec.ts
index 50ec5542ef..17d90cfbde 100644
--- a/packages/client/ui-conversation/tests/chat-store.spec.ts
+++ b/packages/client/ui-conversation/tests/chat-store.spec.ts
@@ -12,7 +12,7 @@ beforeEach(() => {
 describe('createChatStore', () => {
   it('init shape: empty selection/draft/view', () => {
     const store = createChatStore().create()
-    expect(store.store.getSnapshot()).toEqual({ selection: null, draft: '', view: null })
+    expect(store.store.getSnapshot()).toEqual({ selection: null, draft: '', view: null, inspect: null })
   })
 
   it('actions cover the declared write set', () => {
@@ -30,6 +30,11 @@ describe('createChatStore', () => {
 
     store.actions.setView('chat')
     expect(store.store.getSnapshot().view).toBe('chat')
+
+    store.actions.setInspect({ callId: 'c1' })
+    expect(store.store.getSnapshot().inspect).toEqual({ callId: 'c1' })
+    store.actions.setInspect(null)
+    expect(store.store.getSnapshot().inspect).toBeNull()
   })
 
   it('restoreDraft only fills an empty draft (optimistic-send rollback contract)', () => {
diff --git a/packages/client/ui-conversation/tests/chat-tool-row.spec.tsx b/packages/client/ui-conversation/tests/chat-tool-row.spec.tsx
index 913741a4dc..e0d01656ba 100644
--- a/packages/client/ui-conversation/tests/chat-tool-row.spec.tsx
+++ b/packages/client/ui-conversation/tests/chat-tool-row.spec.tsx
@@ -6,7 +6,7 @@ afterEach(cleanup)
 import type { RunningToolCall, ToolResultNode } from '@deepseek-ai/dsh-client-runtime/client'
 import { makeTranslate } from '@deepseek-ai/dsh-client-test-runtime'
 import { zh as commonZh } from '@deepseek-ai/dsh-client-locale/src/locales/zh.ts'
-import { classifyTool, resolveToolPath, toolRowModel } from '../src/client/contract/tool-call-model.ts'
+import { classifyTool, resolveToolPath, resultText, toolRowModel } from '../src/client/contract/tool-call-model.ts'
 import { AssistantMarkdown } from '../src/client/chat/AssistantMarkdown.tsx'
 import { ToolRow } from '../src/client/chat/ToolRow.tsx'
 import { GenericToolCard, type GenericToolCardProps } from '../src/client/chat/GenericToolCard.tsx'
@@ -107,6 +107,29 @@ describe('tool-call-model', () => {
       .toBe('{\n  "code": ""\n}')
   })
 
+  it('resultText flattens text blocks verbatim, other shapes as JSON, empty error content to name: code', () => {
+    expect(resultText(result({ content: [{ type: 'text', text: 'a\nb' }] }))).toBe('a\nb')
+    expect(resultText(result({ content: [{ type: 'text', text: 'a' }, { type: 'image', data: 'x' } as never] })))
+      .toBe(`a\n${JSON.stringify({ type: 'image', data: 'x' }, null, 2)}`)
+    expect(resultText(result({ content: [], isError: true, error: { name: 'ToolError', code: 'denied' } })))
+      .toBe('ToolError: denied')
+    expect(resultText(result({ content: [] }))).toBe('')
+  })
+
+  it('derives output from the settled result and null while running or blank', () => {
+    expect(toolRowModel('bash', result({ content: [{ type: 'text', text: 'out' }] })).output).toBe('out')
+    expect(toolRowModel('bash', running()).output).toBeNull()
+    expect(toolRowModel('bash', result({ content: [] })).output).toBeNull()
+  })
+
+  it('derives errorSummary as the first output line on error rows only', () => {
+    const failed = result({ content: [{ type: 'text', text: 'boom\ndetail' }], isError: true })
+    expect(toolRowModel('bash', failed).errorSummary).toBe('boom')
+    expect(toolRowModel('bash', result({ content: [{ type: 'text', text: 'boom' }] })).errorSummary).toBeNull()
+    expect(toolRowModel('bash', result({ content: [], isError: true })).errorSummary).toBeNull()
+    expect(toolRowModel('bash', running()).errorSummary).toBeNull()
+  })
+
   it('gives Cordis lifecycle tools action titles over their generic variants', () => {
     expect(toolRowModel('cordis_inspect', running({
       name: 'cordis_inspect',
@@ -150,14 +173,15 @@ describe('ToolRow', () => {
     expect(view.container.querySelector('[aria-expanded]')?.getAttribute('aria-expanded')).toBe('false')
   })
 
-  it('expanding swaps the leading slot to a chevron, hides summary, shows body', () => {
+  it('row click expands: chevron leading, summary kept inline, body in the scrolling card', () => {
     const view = render(<ToolRow {...rowProps} />)
-    fireEvent.click(view.container.querySelector('button')!)
+    fireEvent.click(view.getByRole('button'))
     expect(view.queryByTestId('tool-icon')).toBeNull()
     expect(view.container.querySelector('svg')).not.toBeNull()
-    expect(view.queryByText('List files')).toBeNull()
+    expect(view.getByText('List files')).toBeTruthy()
     expect(view.getByText(/"a": 1/)).toBeTruthy()
-    fireEvent.click(view.container.querySelector('button')!)
+    expect(view.container.querySelector('[class*="ioCard"]')).not.toBeNull()
+    fireEvent.click(view.getByRole('button'))
     expect(view.queryByTestId('tool-icon')).not.toBeNull()
     expect(view.getByText('List files')).toBeTruthy()
   })
@@ -168,16 +192,20 @@ describe('ToolRow', () => {
     expect(runningView.container.querySelector('[data-state="running"]')).not.toBeNull()
     const errorView = render(<ToolRow {...rowProps} state="error" />)
     expect(errorView.container.querySelector('[data-testid="tool-icon"]')).toBeNull()
+    // The dot rides the idle slot, so an expandable error row keeps the
+    // icon→chevron hover preview instead of losing it with the icon.
+    expect(errorView.container.querySelector('[class*="chevronHover"]')).not.toBeNull()
   })
 
-  it('non-expandable rows render a passive leading slot', () => {
+  it('non-expandable rows render a passive leading slot and no row button', () => {
     const view = render(<ToolRow {...rowProps} body={null} />)
-    expect(view.container.querySelector('button')).toBeNull()
+    expect(view.queryByRole('button')).toBeNull()
+    expect(view.container.querySelector('[aria-expanded]')).toBeNull()
     expect(view.queryByTestId('tool-icon')).not.toBeNull()
   })
 
-  it('an expandOnRowClick row toggles from Enter and Space, ignoring other keys', () => {
-    const view = render(<ToolRow {...rowProps} expandOnRowClick />)
+  it('the row toggles from Enter and Space, ignoring other keys', () => {
+    const view = render(<ToolRow {...rowProps} />)
     const row = view.getByRole('button')
     fireEvent.keyDown(row, { key: 'Tab' })
     expect(row.getAttribute('aria-expanded')).toBe('false')
@@ -187,32 +215,31 @@ describe('ToolRow', () => {
     expect(row.getAttribute('aria-expanded')).toBe('false')
   })
 
-  it('a non-expandable expandOnRowClick row exposes no row button', () => {
-    const view = render(<ToolRow {...rowProps} body={null} expandOnRowClick />)
-    expect(view.queryByRole('button')).toBeNull()
-  })
-
-  it('file-path summary opens through onOpenFile; the leading slot is not an expand control', () => {
+  it('file rows expand from the row while the path link opens without toggling', () => {
     const open = vi.fn()
     const view = render(
       <ToolRow {...rowProps} variant="read" title="Read" summary="src/a.ts" filePath="src/a.ts" onOpenFile={open} />,
     )
+    const row = view.getByRole('button', { name: /Read/ })
+    // Path click opens the file and leaves the row collapsed.
     fireEvent.click(view.getByText('src/a.ts'))
     expect(open).toHaveBeenCalledWith('src/a.ts')
-    // Only the path link is a button — no args-expand affordance on file rows.
-    expect(view.container.querySelectorAll('button')).toHaveLength(1)
-    expect(view.container.querySelector('[aria-expanded]')).toBeNull()
-    expect(view.queryByText(/"a": 1/)).toBeNull()
+    expect(row.getAttribute('aria-expanded')).toBe('false')
+    // Row click (outside the link) expands the args body.
+    fireEvent.click(row)
+    expect(row.getAttribute('aria-expanded')).toBe('true')
+    expect(view.getByText(/"a": 1/)).toBeTruthy()
   })
 
-  it('a single-file path disables expand even when onOpenFile is absent', () => {
+  it('a file path without onOpenFile renders a plain summary on an expandable row', () => {
     const view = render(
       <ToolRow {...rowProps} variant="write" title="Write" summary="作文.md" filePath="作文.md" />,
     )
     expect(view.container.querySelector('button')).toBeNull()
-    expect(view.container.querySelector('[aria-expanded]')).toBeNull()
-    fireEvent.click(view.getByText('作文.md'))
-    expect(view.queryByText(/"a": 1/)).toBeNull()
+    const row = view.getByRole('button')
+    fireEvent.click(row)
+    expect(row.getAttribute('aria-expanded')).toBe('true')
+    expect(view.getByText(/"a": 1/)).toBeTruthy()
   })
 
   it('non-file rows do not open anything when the summary is clicked', () => {
@@ -221,6 +248,75 @@ describe('ToolRow', () => {
     fireEvent.click(view.getByText('List files'))
     expect(open).not.toHaveBeenCalled()
   })
+
+  it('an error row shows the failure first line in the collapsed summary and the full text expanded', () => {
+    const view = render(
+      <ToolRow {...rowProps} state="error" errorSummary="boom" output={'boom\ndetail'} />,
+    )
+    expect(view.getByText('boom')).toBeTruthy()
+    expect(view.queryByText('List files')).toBeNull()
+    fireEvent.click(view.getByRole('button'))
+    expect(view.getByText(/detail/)).toBeTruthy()
+    expect(view.container.querySelector('[data-error]')).not.toBeNull()
+  })
+
+  it('an error row without an error summary keeps the args summary', () => {
+    const view = render(<ToolRow {...rowProps} state="error" errorSummary={null} />)
+    expect(view.getByText('List files')).toBeTruthy()
+  })
+
+  it('an error file row drops the open-file link (the summary is failure prose, not the path)', () => {
+    const open = vi.fn()
+    const view = render(
+      <ToolRow
+        {...rowProps}
+        variant="write" title="Write" state="error" errorSummary="cannot overwrite"
+        filePath="src/a.ts" onOpenFile={open}
+      />,
+    )
+    fireEvent.click(view.getByText('cannot overwrite'))
+    expect(open).not.toHaveBeenCalled()
+    // The failure line renders as plain text, not the underlined link button.
+    expect(view.container.querySelector('[class*="fileLink"]')).toBeNull()
+  })
+
+  it('the expanded body carries a hover Inspect pill that fires the callback', () => {
+    const inspect = vi.fn()
+    const view = render(<ToolRow {...rowProps} inspect={inspect} />)
+    // Collapsed: no pill.
+    expect(view.queryByText('Inspect')).toBeNull()
+    fireEvent.click(view.getByRole('button', { name: /Bash/ }))
+    const pill = view.getByText('Inspect')
+    fireEvent.click(pill)
+    expect(inspect).toHaveBeenCalledTimes(1)
+    // The pill click must not collapse the row (body is a .row sibling).
+    expect(view.getByRole('button', { name: /Bash/ }).getAttribute('aria-expanded')).toBe('true')
+  })
+
+  it('no inspect callback, no pill', () => {
+    const view = render(<ToolRow {...rowProps} />)
+    fireEvent.click(view.getByRole('button'))
+    expect(view.queryByText('Inspect')).toBeNull()
+  })
+
+  it('the expanded card gutter-labels each section it carries (IN / OUT)', () => {
+    const both = render(<ToolRow {...rowProps} output="result text" />)
+    fireEvent.click(both.getByRole('button'))
+    expect(both.getByText('IN')).toBeTruthy()
+    expect(both.getByText('OUT')).toBeTruthy()
+    expect(both.getByText('result text')).toBeTruthy()
+    cleanup()
+    const inputOnly = render(<ToolRow {...rowProps} />)
+    fireEvent.click(inputOnly.getByRole('button'))
+    expect(inputOnly.getByText('IN')).toBeTruthy()
+    expect(inputOnly.queryByText('OUT')).toBeNull()
+    cleanup()
+    const outputOnly = render(<ToolRow {...rowProps} body={null} output="only out" />)
+    fireEvent.click(outputOnly.getByRole('button'))
+    expect(outputOnly.queryByText('IN')).toBeNull()
+    expect(outputOnly.getByText('OUT')).toBeTruthy()
+    expect(outputOnly.getByText('only out')).toBeTruthy()
+  })
 })
 
 describe('ThinkRow', () => {
@@ -241,6 +337,22 @@ describe('ThinkRow', () => {
     fireEvent.click(view.getByText('Think'))
     expect(row.getAttribute('aria-expanded')).toBe('false')
   })
+
+  it('expanded Think drops the inline summary and renders plain prose, no IN card', () => {
+    const view = render(
+      <AssistantMarkdown
+        t={t}
+        blocks={[{ kind: 'reasoning', text: 'Inspect the session\nCheck persistence' }]}
+        streaming={false}
+      />,
+    )
+    fireEvent.click(view.getByText('Think'))
+    // The summary (first line) is gone from the row; only the body carries it.
+    expect(view.getAllByText(/Inspect the session/)).toHaveLength(1)
+    expect(view.queryByText('IN')).toBeNull()
+    expect(view.container.querySelector('[class*="ioCard"]')).toBeNull()
+    expect(view.container.querySelector('[class*="thinkBody"]')).not.toBeNull()
+  })
 })
 
 describe('GenericToolCard', () => {
@@ -290,6 +402,14 @@ describe('GenericToolCard', () => {
     expect(view.container.querySelector('svg')).not.toBeNull()
   })
 
+  it('passes the owner inspect callback through to the expanded row pill', () => {
+    const inspect = vi.fn()
+    const view = render(<GenericToolCard {...props('bash', result())} inspect={inspect} />)
+    fireEvent.click(view.getByRole('button', { name: /Bash/ }))
+    fireEvent.click(view.getByText('Inspect'))
+    expect(inspect).toHaveBeenCalledTimes(1)
+  })
+
   it('file-path summary click reaches openFile; bash summary does not', () => {
     const file = props('read', running({ name: 'read', argsRaw: '{"path":"src/x.ts"}' }))
     const fileView = render(<GenericToolCard {...file} />)
diff --git a/packages/client/ui-conversation/tests/chat-toolview-slot.spec.tsx b/packages/client/ui-conversation/tests/chat-toolview-slot.spec.tsx
index 5268be08f6..eb48677d4f 100644
--- a/packages/client/ui-conversation/tests/chat-toolview-slot.spec.tsx
+++ b/packages/client/ui-conversation/tests/chat-toolview-slot.spec.tsx
@@ -114,7 +114,7 @@ describe('keyed toolview hole through the real machinery', () => {
     expect(view.container.querySelector('[data-tool="cordis_unmount"]')?.textContent)
       .toContain('Unmount temporary Plugindyn-2')
 
-    fireEvent.click(mounted!.querySelector('button[aria-expanded]')!)
+    fireEvent.click(mounted!.querySelector('[data-expandable]')!)
     expect(mounted!.querySelector('pre.shiki')?.textContent).toBe(code)
     await b.runtime.dispose()
   })
diff --git a/packages/client/ui-conversation/tests/chat-view.spec.tsx b/packages/client/ui-conversation/tests/chat-view.spec.tsx
index 984e04d7f4..110ab6a991 100644
--- a/packages/client/ui-conversation/tests/chat-view.spec.tsx
+++ b/packages/client/ui-conversation/tests/chat-view.spec.tsx
@@ -5,10 +5,11 @@
 
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import { Profiler } from 'react'
-import { act, cleanup, fireEvent, render } from '@testing-library/react'
+import { act, cleanup, fireEvent, render, within } from '@testing-library/react'
 import type {
-  AssistantMessageNode, CommandNode, ConversationNode, ConversationSnapshot, RunningToolCall, SessionId,
-  SessionListState, ToolResultNode, UserMessageNode, WorkspaceListState,
+  AssistantMessageNode, CommandNode, ConversationNode, ConversationSnapshot,
+  ModelRetryNode, RunningToolCall, SessionId, SessionListState, ToolResultNode, TurnErrorNode,
+  UserMessageNode, WorkspaceListState,
 } from '@deepseek-ai/dsh-client-runtime/client'
 import { bindSnapshotSelector } from '@deepseek-ai/dsh-client-web-react'
 import { createSnapshotStore, PendingWait } from '@deepseek-ai/dsh-client-runtime/client'
@@ -32,7 +33,7 @@ const SID = 's1' as SessionId
 
 function snapshotBase(): ConversationSnapshot {
   return {
-    sessionId: SID, nodes: [], foldDegraded: false, partial: null, runningCalls: [], codeDispatches: new Map(),
+    sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
     pending: [], queue: [], running: false, composerPhase: 'active', removed: false, openState: 'open', openError: null,
     hasMore: false, loadingOlder: false, promptError: null, blank: false, lastAgentError: null,
   }
@@ -67,6 +68,18 @@ const user = (seq: number, text: string): UserMessageNode => ({
 const assistant = (seq: number, text: string, turn = 1): AssistantMessageNode => ({
   kind: 'assistant', seq, time: seq * 1_000, turn, step: 1, blocks: [{ kind: 'text', text }],
 })
+const retry = (seq: number): ModelRetryNode => ({
+  kind: 'model-retry', seq, time: seq * 1_000, turn: 1, step: 0,
+  retryState: 'scheduled',
+  provider: 'mock', mode: 'normal', policyKey: 'mock-normal',
+  retry: 1, maxRetries: 2, delayMs: 450,
+  failure: { code: 'TRANSPORT', message: '连接被重置' },
+})
+const turnError = (seq: number, code?: string): TurnErrorNode => ({
+  kind: 'turn-error', seq, time: seq * 1_000, turn: 1, step: 0,
+  message: seq === 2 ? 'API key is invalid' : 'plugin exploded',
+  ...(code === undefined ? {} : { code }),
+})
 const toolResult = (seq: number, callId: string, name = 'bash'): ToolResultNode => ({
   kind: 'tool-result', seq, time: seq * 1_000, callId,
   call: { name, argsRaw: `{"command":"cmd-${callId}","description":"run ${callId}"}` },
@@ -86,7 +99,7 @@ function emptySessions() {
 
 function emptyWorkspaces() {
   const store = createSnapshotStore<WorkspaceListState>({
-    items: [], state: 'idle', phase: 'ready', error: null,
+    items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
     baselinesReady: true, recentWorkspaceId: undefined,
   })
   return bindSnapshotSelector(store)
@@ -97,6 +110,13 @@ function makeHarness(init?: Partial<ConversationSnapshot>) {
   const openDetails = vi.fn<(t: SelectionTarget) => void>()
   const openFile = vi.fn<(path: string) => void>()
   const loadOlder = vi.fn()
+  const inspectCall = vi.fn<(callId: string) => void>()
+  // In-memory scroll memory matching the apply.ts per-session map contract.
+  let savedScrollTop: number | null = null
+  const chatScroll = {
+    save: (top: number | null) => { savedScrollTop = top },
+    read: () => savedScrollTop,
+  }
   const forkAt = vi.fn()
   // Selection rides the REAL chat store (same construction path as
   // production; the view reads it through the PropsStore useStore share).
@@ -124,12 +144,14 @@ function makeHarness(init?: Partial<ConversationSnapshot>) {
     openDetails,
     openFile,
     loadOlder,
+    inspectCall,
+    chatScroll,
     forkAt,
     // Mirrors the real lookup chain (conversation namespace, then common).
     t: makeTranslate(zh, commonZh),
   }
   const setSelection = (next: SelectionTarget | null): void => { chat.actions.select(next) }
-  return { set, ChatView, props, openDetails, openFile, loadOlder, forkAt, setSelection }
+  return { set, ChatView, props, openDetails, openFile, loadOlder, inspectCall, chatScroll, forkAt, setSelection }
 }
 
 describe('chat-flow derivation', () => {
@@ -146,6 +168,17 @@ describe('chat-flow derivation', () => {
     expect(flowKeys(deriveChatFlow([...nodes, toolResult(7, 'd')]))).toBe('n1|n2|g3|n5|g6')
   })
 
+  it('reuses one stable row for consecutive retry turns', () => {
+    const first = retry(2)
+    const second = { ...retry(3), turn: 2, retry: 2 }
+    const initial = deriveChatFlow([user(1, 'try'), first])
+    const updated = deriveChatFlow([user(1, 'try'), first, second])
+    expect(flowKeys(initial)).toBe('n1|n2')
+    expect(flowKeys(updated)).toBe('n1|n2')
+    expect(updated).toHaveLength(2)
+    expect(updated[1]?.kind === 'node' && updated[1].node).toBe(second)
+  })
+
   it('skips render-nothing assistant nodes so tool runs stay one group', () => {
     // A tool-call-only step message (and blank text/reasoning) renders nothing:
     // it must not split the run into two groups with an empty line between.
@@ -218,6 +251,68 @@ describe('ChatView', () => {
     expect(view.getByText('run a')).toBeTruthy()
   })
 
+  it('animates only the latest unresolved model retry', () => {
+    const retryNode = retry(2)
+    const nextRetry = { ...retry(3), turn: 2, retry: 2 }
+    const context = {
+      kind: 'context', seq: 4, time: 4_000, content: [], source: null,
+    } as const satisfies ConversationNode
+    const h = makeHarness({ nodes: [user(1, 'try'), retryNode], running: true })
+    const view = render(<h.ChatView {...h.props} />)
+    const disclosure = view.container.querySelector('details') as HTMLDetailsElement
+    expect(disclosure.dataset.active).toBe('true')
+    expect(within(disclosure).getByRole('status').textContent).toBe('正在重试模型请求（1/2） · 1s')
+
+    act(() => {
+      h.set({ nodes: [user(1, 'try'), retryNode, nextRetry] })
+    })
+    expect(within(disclosure).getAllByRole('status')).toHaveLength(1)
+    expect(view.container.querySelector('details')).toBe(disclosure)
+    expect(within(disclosure).getByRole('status').textContent).toBe('正在重试模型请求（2/2） · 1s')
+
+    act(() => {
+      h.set({
+        nodes: [
+          user(1, 'try'),
+          retryNode,
+          { ...nextRetry, retryState: 'started' },
+          context,
+          assistant(5, 'done'),
+        ],
+        running: false,
+      })
+    })
+    expect(disclosure.dataset.active).toBeUndefined()
+    expect(within(disclosure).getByRole('status').textContent).toBe('已重试模型请求（2/2） · 1s')
+
+    act(() => {
+      h.set({ nodes: [user(1, 'try'), { ...retry(6), retryState: 'cancelled' }], running: true })
+    })
+    const cancelledDisclosure = view.container.querySelector('details') as HTMLDetailsElement
+    expect(cancelledDisclosure.dataset.active).toBeUndefined()
+    expect(within(cancelledDisclosure).getByRole('status').textContent).toContain('重试已取消')
+  })
+
+  it('renders terminal turn failures inline with their durable message and optional code', () => {
+    const h = makeHarness({ nodes: [user(1, 'try'), turnError(2, 'AUTH'), turnError(3)] })
+    const view = render(<h.ChatView {...h.props} />)
+    const statuses = view.getAllByRole('status')
+    expect(statuses.map(status => status.textContent)).toEqual([
+      '本轮运行失败API key is invalidAUTH',
+      '本轮运行失败plugin exploded',
+    ])
+  })
+
+  it('the expanded row Inspect pill hands the call id to inspectCall', () => {
+    const h = makeHarness({
+      nodes: [toolResult(3, 'a')],
+    })
+    const view = render(<h.ChatView {...h.props} />)
+    fireEvent.click(view.getByRole('button', { name: /Bash/ }))
+    fireEvent.click(view.getByText('Inspect'))
+    expect(h.inspectCall).toHaveBeenCalledWith('a')
+  })
+
   it('shows assistant IconActions only on the last content message of each turn', () => {
     const h = makeHarness({
       nodes: [
@@ -331,11 +426,11 @@ describe('ChatView', () => {
     expect(rowRenders).toBe(afterMount)
   })
 
-  it('tool row expands to the args body via the leading slot toggle', () => {
+  it('tool row expands to the args body via the whole-row toggle', () => {
     const h = makeHarness({ nodes: [toolResult(3, 'a')] })
     const view = render(<h.ChatView {...h.props} />)
     expect(view.queryByText(/"command": "cmd-a"/)).toBeNull()
-    fireEvent.click(view.container.querySelector('button[aria-expanded]')!)
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
     expect(view.getByText(/"command": "cmd-a"/)).toBeTruthy()
   })
 
@@ -369,6 +464,7 @@ describe('ChatView', () => {
     const view = render(<h.ChatView {...h.props} />)
     expect(view.container.querySelector('[data-state="running"]')).not.toBeNull()
     expect(view.getByText('cmd-r1')).toBeTruthy()
+    expect(view.getByRole('status').textContent).toBe('Deep diving...')
   })
 
   it('dispatches each tool row through the keyed slot with the tool name as entryKey', () => {
@@ -458,6 +554,55 @@ describe('ChatView', () => {
     }
   })
 
+  it('a remount restores the saved scroll position instead of re-jumping to the bottom', () => {
+    const host = document.createElement('div')
+    host.setAttribute('data-conversation-scroll', '')
+    Object.defineProperty(host, 'scrollHeight', { value: 2000, writable: true, configurable: true })
+    Object.defineProperty(host, 'clientHeight', { value: 500, writable: true, configurable: true })
+    Object.defineProperty(host, 'scrollTop', { value: 0, writable: true, configurable: true })
+    document.body.appendChild(host)
+    try {
+      const h = makeHarness({ nodes: [user(1, 'q'), assistant(2, 'a')] })
+      // Fresh open (nothing saved): the bottom jump stands.
+      const view = render(<h.ChatView {...h.props} />, { container: host })
+      expect(host.scrollTop).toBe(2000)
+      // Reader scrolls up; the position is recorded continuously.
+      host.scrollTop = 100
+      fireEvent.scroll(host)
+      // View-tab switch away and back: the view unmounts, then remounts.
+      view.rerender(<div />)
+      host.scrollTop = 0
+      view.rerender(<h.ChatView {...h.props} />)
+      expect(host.scrollTop).toBe(100)
+      // The restored position is above the floor: follow stays disarmed.
+      expect(view.getByLabelText('回到底部')).toBeTruthy()
+    } finally {
+      host.remove()
+    }
+  })
+
+  it('a remount while pinned to the bottom keeps the bottom jump', () => {
+    const host = document.createElement('div')
+    host.setAttribute('data-conversation-scroll', '')
+    Object.defineProperty(host, 'scrollHeight', { value: 2000, writable: true, configurable: true })
+    Object.defineProperty(host, 'clientHeight', { value: 500, writable: true, configurable: true })
+    Object.defineProperty(host, 'scrollTop', { value: 0, writable: true, configurable: true })
+    document.body.appendChild(host)
+    try {
+      const h = makeHarness({ nodes: [user(1, 'q'), assistant(2, 'a')] })
+      const view = render(<h.ChatView {...h.props} />, { container: host })
+      // At the bottom: the scroll event records the pinned state (null).
+      fireEvent.scroll(host)
+      expect(h.chatScroll.read()).toBeNull()
+      view.rerender(<div />)
+      host.scrollTop = 0
+      view.rerender(<h.ChatView {...h.props} />)
+      expect(host.scrollTop).toBe(2000)
+    } finally {
+      host.remove()
+    }
+  })
+
   it('paging button loads older and shows its busy label', () => {
     const h = makeHarness({ nodes: [user(5, 'later')], hasMore: true })
     const view = render(<h.ChatView {...h.props} />)
diff --git a/packages/client/ui-conversation/tests/diff-card.spec.tsx b/packages/client/ui-conversation/tests/diff-card.spec.tsx
new file mode 100644
index 0000000000..8744e6b802
--- /dev/null
+++ b/packages/client/ui-conversation/tests/diff-card.spec.tsx
@@ -0,0 +1,366 @@
+// @vitest-environment jsdom
+// The diff render intent on the web side: the pure diffCardModel derivation
+// over callView/resultView, and both conversation render sites that consume it
+// — the chat tool row's expanded body (GenericToolCard / FileMutationRow) and
+// the details panel's Output section.
+
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import { cleanup, fireEvent, render } from '@testing-library/react'
+import { bindSnapshotSelector } from '@deepseek-ai/dsh-client-web-react'
+import { createSnapshotStore } from '@deepseek-ai/dsh-client-runtime/client'
+import type {
+  ConversationSnapshot, RunningToolCall, SessionId, SessionListState, ToolResultNode, WorkspaceListState,
+} from '@deepseek-ai/dsh-client-runtime/client'
+import type { ToolCallView, ToolResultView } from '@deepseek-ai/dsh-client-connection/client'
+import type { SelectionTarget } from '@deepseek-ai/dsh-client-ui-conversation/client'
+import { makeTranslate } from '@deepseek-ai/dsh-client-test-runtime'
+import { zh as commonZh } from '@deepseek-ai/dsh-client-locale/src/locales/zh.ts'
+import { CHAT_DIFF_MAX_LINES, diffCardModel } from '../src/client/contract/diff-card-model.ts'
+import { createChatStore } from '../src/client/stores.ts'
+import { GenericToolCard, type GenericToolCardProps } from '../src/client/chat/GenericToolCard.tsx'
+import { DetailsPanel } from '../src/client/skeleton/DetailsPanel.tsx'
+import { FileMutationRow, fileMutationToolview } from '../src/client/toolviews/file-mutation-row.tsx'
+import { zh } from '../src/client/locales.ts'
+
+afterEach(cleanup)
+
+/** FileMutationRow's full prop shape (ToolRow runtime share + conversation locale seat). */
+type FileMutationRowProps = Parameters<typeof FileMutationRow>[0]
+
+const SID = 's1' as SessionId
+
+const t = makeTranslate(zh, commonZh)
+
+const ARGS = '{"file_path":"notes/demo.txt","old_string":"hello","new_string":"hello fixture"}'
+
+/** The edit tool's own call view (a call-time diff derived from the arguments). */
+const callDiff = (over?: Partial<Extract<ToolCallView, { card: 'diff' }>>): ToolCallView => ({
+  card: 'diff', title: 'Edit notes/demo.txt',
+  diffs: [{ path: 'notes/demo.txt', oldText: 'hello', newText: 'hello fixture' }], ...over,
+})
+
+/** The edit tool's own result view (the applied hunk diff). */
+const resultDiff = (over?: Partial<Extract<ToolResultView, { card: 'diff' }>>): ToolResultView => ({
+  card: 'diff', title: 'Edit notes/demo.txt',
+  diffs: [{ path: 'notes/demo.txt', oldText: 'hello', newText: 'hello fixture' }], ...over,
+})
+
+const running = (over?: Partial<RunningToolCall>): RunningToolCall => ({
+  callId: 'c1', name: 'edit', argsRaw: ARGS,
+  turn: 1, step: 1, time: 1_000, callView: callDiff(), ...over,
+})
+
+const settled = (over?: Partial<ToolResultNode>): ToolResultNode => ({
+  kind: 'tool-result', seq: 10, time: 2_000, callId: 'c1',
+  call: { name: 'edit', argsRaw: ARGS },
+  callTime: 1_000,
+  content: [{ type: 'text', text: 'The file notes/demo.txt has been updated successfully.' }], isError: false,
+  callView: callDiff(), resultView: resultDiff(), ...over,
+})
+
+describe('diffCardModel', () => {
+  it('derives a running card from the call view alone', () => {
+    expect(diffCardModel(running())).toEqual({
+      card: { diffs: [{ path: 'notes/demo.txt', oldText: 'hello', newText: 'hello fixture' }] },
+    })
+  })
+
+  it('derives a settled card from the result view, which replaces the call-time diff', () => {
+    // The applied hunks (result) win over the args-derived call diff.
+    expect(diffCardModel(settled({
+      resultView: resultDiff({ diffs: [{ path: 'notes/demo.txt', oldText: 'a', newText: 'b' }] }),
+    }))).toEqual({
+      card: { diffs: [{ path: 'notes/demo.txt', oldText: 'a', newText: 'b' }] },
+    })
+  })
+
+  it('renders a settled diff even when the window dropped the call head', () => {
+    // A truncated call carries only the result view, which holds the whole change.
+    expect(diffCardModel(settled({ call: null, callView: null }))?.card.diffs).toHaveLength(1)
+  })
+
+  it('returns null for every non-diff call: no views, generic views, unknown cards', () => {
+    expect(diffCardModel(running({ callView: null }))).toBeNull()
+    expect(diffCardModel(settled({ callView: null, resultView: null }))).toBeNull()
+    expect(diffCardModel(running({ callView: { card: 'generic', title: 'read x' } }))).toBeNull()
+    // A generic result settles a diff call on the generic path (write/edit's
+    // own execution-error arm).
+    expect(diffCardModel(settled({ resultView: { card: 'generic' } }))).toBeNull()
+    // A card tag this UI version does not know arrives over the wire; the
+    // documented generic-card default takes it, not a crash.
+    const future = { card: 'chart', title: 'plot' } as unknown as ToolCallView
+    expect(diffCardModel(running({ callView: future }))).toBeNull()
+    expect(diffCardModel(settled({
+      callView: future, resultView: { card: 'chart' } as unknown as ToolResultView,
+    }))).toBeNull()
+  })
+
+  it('falls back to null for a malformed diff payload off the wire', () => {
+    // toolEventViewSchema validates only the `card` string, so a version
+    // mismatch can deliver a diff card with an unusable diffs field. Each shape
+    // routes to the generic path instead of throwing inside DiffBlock.
+    const bad = (diffs: unknown): ToolResultView => ({ card: 'diff', diffs } as unknown as ToolResultView)
+    expect(diffCardModel(settled({ resultView: bad(undefined) }))).toBeNull()
+    expect(diffCardModel(settled({ resultView: bad([]) }))).toBeNull()
+    expect(diffCardModel(settled({ resultView: bad('nope') }))).toBeNull()
+    expect(diffCardModel(settled({ resultView: bad([null]) }))).toBeNull()
+    expect(diffCardModel(settled({ resultView: bad([{ path: 1, oldText: null, newText: 'x' }]) }))).toBeNull()
+    expect(diffCardModel(settled({ resultView: bad([{ path: 'a', oldText: 5, newText: 'x' }]) }))).toBeNull()
+    expect(diffCardModel(settled({ resultView: bad([{ path: 'a', oldText: null, newText: 9 }]) }))).toBeNull()
+    // The running side narrows identically.
+    expect(diffCardModel(running({ callView: { card: 'diff', diffs: 'nope' } as unknown as ToolCallView }))).toBeNull()
+  })
+})
+
+describe('chat row diff body', () => {
+  const ownerProps = (block: RunningToolCall | ToolResultNode): GenericToolCardProps => ({
+    callId: 'c1', toolName: 'edit', block, openFile: vi.fn(), t,
+  })
+
+  it('the expanded body is the applied diff, capped tighter than the panel', () => {
+    expect(CHAT_DIFF_MAX_LINES).toBeLessThan(16)
+    const view = render(<GenericToolCard {...ownerProps(settled())} />)
+    // Collapsed: the summary row (path) only, no diff body.
+    expect(view.queryByText('hello fixture')).toBeNull()
+    // The path link is not the expand control; the leading toggle is.
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
+    expect(view.container.querySelector('[data-diff]')).not.toBeNull()
+    expect(view.getByText('hello fixture')).toBeTruthy()
+  })
+
+  it('a running diff call expands to its intended change', () => {
+    const view = render(<GenericToolCard {...ownerProps(running())} />)
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
+    expect(view.container.querySelector('[data-diff]')).not.toBeNull()
+  })
+
+  it('a non-diff call keeps the args-JSON text body', () => {
+    // A non-file tool name so the row is not single-file (no path link), and its
+    // args body is the fallback the diff card must not have replaced.
+    const view = render(<GenericToolCard {...{
+      callId: 'c1', toolName: 'some_tool', openFile: vi.fn(), t,
+      block: settled({
+        call: { name: 'some_tool', argsRaw: '{"foo":"bar"}' },
+        callView: null, resultView: null,
+      }),
+    }} />)
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
+    expect(view.container.querySelector('[data-diff]')).toBeNull()
+    expect(view.getByText(/"foo"/)).toBeTruthy()
+  })
+})
+
+describe('FileMutationRow diff card', () => {
+  const list = () => createSnapshotStore<SessionListState>({
+    ids: [SID],
+    byId: { [SID]: { id: SID, displayTitle: 'r', running: false, blank: false, waitingApproval: false, updatedAt: 0, cwd: '/w/app' } },
+    current: SID,
+    phase: 'ready',
+  })
+
+  const rowProps = (block: RunningToolCall | ToolResultNode, toolName = 'edit'): FileMutationRowProps => ({
+    callId: 'c1', toolName, block, openFile: vi.fn(), cwd: '/w/app',
+    sessionId: SID, useSessions: bindSnapshotSelector(list()),
+    t,
+  } as unknown as FileMutationRowProps)
+
+  /** The whole summary row is the expand toggle (ToolRow's unified interaction). */
+  const toggleRow = (view: { container: HTMLElement }) => {
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
+  }
+
+  it('collapses to the summary row; expanding reveals the applied diff card', () => {
+    const view = render(<FileMutationRow {...rowProps(settled())} />)
+    // The diff card is collapsed by default — not in the DOM until expanded.
+    expect(view.container.querySelector('[data-diff]')).toBeNull()
+    expect(view.queryByText('hello fixture')).toBeNull()
+    toggleRow(view)
+    expect(view.container.querySelector('[data-diff]')).not.toBeNull()
+    expect(view.getByText('hello fixture')).toBeTruthy()
+    expect(view.getByText('复制')).toBeTruthy()
+  })
+
+  it('the summary is a path link that opens the tool path through the host', () => {
+    const openFile = vi.fn()
+    const view = render(<FileMutationRow {...{ ...rowProps(settled()), openFile }} />)
+    // The path link rides the collapsed summary, so it opens without expanding.
+    fireEvent.click(view.getByRole('button', { name: 'notes/demo.txt' }))
+    // The row passes the tool's own path; the injected openFile resolves it
+    // against the session cwd (apply.ts), so the row must not resolve twice.
+    expect(openFile).toHaveBeenCalledWith('notes/demo.txt')
+  })
+
+  it('registers under write too, rendering a create as an added-only diff', () => {
+    const writeArgs = '{"file_path":"notes/new.txt","content":"hello fixture\\n"}'
+    const view = render(<FileMutationRow {...rowProps(settled({
+      call: { name: 'write', argsRaw: writeArgs },
+      callView: { card: 'diff', title: 'Write notes/new.txt', diffs: [{ path: 'notes/new.txt', oldText: null, newText: 'hello fixture' }] },
+      resultView: { card: 'diff', title: 'Write notes/new.txt', diffs: [{ path: 'notes/new.txt', oldText: null, newText: 'hello fixture' }] },
+    }), 'write')} />)
+    // The footer counts live inside the collapsed diff card.
+    toggleRow(view)
+    expect(view.getByText('└ +1 -0 · 1 file')).toBeTruthy()
+  })
+
+  it('reflects the run state on its leading slot', () => {
+    const runningView = render(<FileMutationRow {...rowProps(running())} />)
+    expect(runningView.container.querySelector('[data-state="running"]')).not.toBeNull()
+    cleanup()
+    const errorView = render(<FileMutationRow {...rowProps(settled({ isError: true, resultView: null, callView: null }))} />)
+    expect(errorView.container.querySelector('[data-state="error"]')).not.toBeNull()
+  })
+
+  it('a mutation call with no diff view renders the summary row alone', () => {
+    const view = render(<FileMutationRow {...rowProps(settled({ callView: null, resultView: null }))} />)
+    // No diff material: expanding shows the args-JSON body, never a diff card.
+    expect(view.container.querySelector('[data-diff]')).toBeNull()
+    toggleRow(view)
+    expect(view.container.querySelector('[data-diff]')).toBeNull()
+  })
+
+  it('surfaces the result text when an errored mutation has no diff card', () => {
+    // write/edit return undefined from presentResult on isError, so the failure
+    // has no diff — ToolRow shows the model-facing error text as the collapsed
+    // summary's first line (errorSummary) instead of a bare red dot.
+    const view = render(<FileMutationRow {...rowProps(settled({
+      isError: true, callView: null, resultView: null,
+      content: [{ type: 'text', text: 'old_string not found in notes/demo.txt' }],
+    }))} />)
+    expect(view.container.querySelector('[data-diff]')).toBeNull()
+    expect(view.getByText('old_string not found in notes/demo.txt')).toBeTruthy()
+  })
+
+  it('falls back to the error name/code when an errored result has no text block', () => {
+    const view = render(<FileMutationRow {...rowProps(settled({
+      isError: true, callView: null, resultView: null, content: [],
+      error: { name: 'ToolError', code: 'sandbox_denied' },
+    }))} />)
+    expect(view.getByText('ToolError: sandbox_denied')).toBeTruthy()
+  })
+
+  it('shows no error summary for a successful diff or a running call', () => {
+    // ToolRow's error-color summary line is set only on the error state.
+    const ok = render(<FileMutationRow {...rowProps(settled())} />)
+    expect(ok.container.querySelector('[class*="_errorSummary_"]')).toBeNull()
+    cleanup()
+    const run = render(<FileMutationRow {...rowProps(running())} />)
+    expect(run.container.querySelector('[class*="_errorSummary_"]')).toBeNull()
+  })
+
+  it('shows the stopped state when the call was interrupted', () => {
+    const view = render(<FileMutationRow {...rowProps(settled({
+      callView: null, resultView: null, isError: true,
+      error: { name: 'ToolError', code: 'interrupted' },
+    }))} />)
+    expect(view.container.querySelector('[data-state="stopped"]')).not.toBeNull()
+    // The amber StateDot is aria-hidden, so ToolRow carries the state to AT as
+    // visually-hidden text; without it a stopped row is a colour-only signal.
+    expect(view.getByText('已停止')).toBeTruthy()
+  })
+
+  it('renders a plain summary span when the call carries no file path', () => {
+    // Empty args leave deriveFilePath undefined, so the summary is not a link.
+    const view = render(<FileMutationRow {...rowProps(settled({
+      call: { name: 'edit', argsRaw: '' }, callView: null, resultView: null,
+    }))} />)
+    expect(view.container.querySelector('[class*="_fileLink_"]')).toBeNull()
+    expect(view.container.querySelector('[class*="_summary_"]')).not.toBeNull()
+  })
+})
+
+describe('fileMutationToolview registration', () => {
+  it('registers one component under both edit and write, and each disposes', () => {
+    const registered: { key: string; locale: unknown; disposed: boolean }[] = []
+    const disposers: (() => void)[] = []
+    const ctx = {
+      slots: {
+        register: ({ key, locale }: { name: string; key: string; locale?: string }) => {
+          const entry = { key, locale, disposed: false }
+          registered.push(entry)
+          const dispose = () => { entry.disposed = true }
+          disposers.push(dispose)
+          return dispose
+        },
+      },
+    }
+    fileMutationToolview.apply(ctx as never)
+    expect(registered.map(r => r.key).sort()).toEqual(['edit', 'write'])
+    // Both keys claim the conversation locale seat ToolRow's body copy needs.
+    expect(registered.map(r => r.locale)).toEqual(['conversation', 'conversation'])
+    // The registrant's inject seam is the load-order contract the row relies on.
+    expect(fileMutationToolview.inject).toEqual(['slots', 'conversation'])
+    // Disposal removes each contribution (packages/AGENTS.md registry contract).
+    for (const dispose of disposers) dispose()
+    expect(registered.every(r => r.disposed)).toBe(true)
+  })
+})
+
+describe('DetailsPanel diff Output section', () => {
+  function mount(snapshot: ConversationSnapshot, selection: SelectionTarget | null, cwd?: string) {
+    localStorage.clear()
+    const chat = createChatStore().create()
+    if (selection !== null) chat.actions.select(selection)
+    const sessions = createSnapshotStore<SessionListState>(cwd === undefined
+      ? { ids: [], byId: {}, current: undefined, phase: 'ready' }
+      : {
+        ids: [SID],
+        byId: { [SID]: { id: SID, displayTitle: 'r', running: false, blank: false, waitingApproval: false, updatedAt: 0, cwd } },
+        current: SID,
+        phase: 'ready',
+      })
+    const workspaces = createSnapshotStore<WorkspaceListState>({
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
+      baselinesReady: true, recentWorkspaceId: undefined,
+    })
+    return render(
+      <DetailsPanel
+        sessionId={SID}
+        useSession={bindSnapshotSelector({ getSnapshot: () => snapshot, subscribe: () => () => {} })}
+        useSessions={bindSnapshotSelector(sessions)}
+        useWorkspaces={bindSnapshotSelector(workspaces)}
+        useInput={(() => { throw new Error('unused') })}
+        inputActions={{ setDraft: () => {}, submit: () => {} }}
+        useProjection={(() => undefined)}
+        useStore={bindSnapshotSelector(chat)}
+        actions={chat.actions}
+        closeDetails={vi.fn()}
+        t={t}
+      />,
+    )
+  }
+
+  function snapshot(over: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
+    return {
+      sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
+      pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
+      openState: 'open', openError: null, hasMore: false, loadingOlder: false,
+      promptError: null, blank: false, lastAgentError: null, ...over,
+    }
+  }
+
+  const target: SelectionTarget = { turnSeq: 10, callId: 'c1', toolName: 'edit' }
+
+  it('renders the applied diff at full height, keeping the JSON Input section', () => {
+    const view = mount(snapshot({ nodes: [settled()] }), target)
+    expect(view.getByText(/"file_path"/)).toBeTruthy()
+    expect(view.container.querySelector('[data-diff]')).not.toBeNull()
+    expect(view.getByText('hello fixture')).toBeTruthy()
+  })
+
+  it('a running diff call renders its intended change, not the 运行中… placeholder', () => {
+    const view = mount(snapshot({ runningCalls: [running()] }), target)
+    expect(view.container.querySelector('[data-diff]')).not.toBeNull()
+    expect(view.queryByText('运行中…')).toBeNull()
+  })
+
+  it('a non-diff result keeps the flattened pre', () => {
+    const view = mount(snapshot({
+      nodes: [settled({
+        callView: null, resultView: null,
+        content: [{ type: 'text', text: 'permission denied' }],
+      })],
+    }), target)
+    expect(view.container.querySelector('[data-diff]')).toBeNull()
+    expect(view.getByText('输出').closest('section')?.querySelector('pre')?.textContent).toBe('permission denied')
+  })
+})
diff --git a/packages/client/ui-conversation/tests/gate-branch-tails.spec.tsx b/packages/client/ui-conversation/tests/gate-branch-tails.spec.tsx
index 354b94ecdd..873d2cfbc9 100644
--- a/packages/client/ui-conversation/tests/gate-branch-tails.spec.tsx
+++ b/packages/client/ui-conversation/tests/gate-branch-tails.spec.tsx
@@ -24,7 +24,7 @@ const SID = 's1' as SessionId
 
 function snapshotBase(): ConversationSnapshot {
   return {
-    sessionId: SID, nodes: [], foldDegraded: false, partial: null, runningCalls: [], codeDispatches: new Map(),
+    sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
     pending: [], queue: [], running: false, composerPhase: 'active', removed: false, openState: 'open', openError: null,
     hasMore: false, loadingOlder: false, promptError: null, blank: false, lastAgentError: null,
   }
@@ -43,20 +43,24 @@ describe('render branch tails', () => {
     expect(view.container.querySelector('[data-state="ok"]')).not.toBeNull()
   })
 
-  it('StatsLine skips usage-less nodes and defaults each absent counter to zero', () => {
+  it('StatsLine counts window nodes but drops every token group without a projection', () => {
+    // Node `usage` is deliberately ignored: billing rides the durable
+    // tokenUsage projection, so an absent projection leaves counts only.
     const snap = {
       nodes: [
         { kind: 'assistant', seq: 1, turn: 1, step: 1, blocks: [] },
         { kind: 'assistant', seq: 2, turn: 1, step: 2, blocks: [], usage: { inputTokens: 4, outputTokens: 6 } },
-        // outputTokens absent: the tokens sum's ?? 0 arm for output.
         { kind: 'assistant', seq: 3, turn: 2, step: 1, blocks: [], usage: { inputTokens: 5 } },
       ],
     }
     const source = { getSnapshot: () => snap, subscribe: () => () => {} }
     const view = render(
-      <StatsLine useSession={bindSnapshotSelector(source) as unknown as UseSession<ConversationSnapshot>} />,
+      <StatsLine
+        useSession={bindSnapshotSelector(source) as unknown as UseSession<ConversationSnapshot>}
+        useProjection={() => undefined}
+      />,
     )
-    expect(view.container.textContent).toBe('2 turns · 3 steps|Cache hit 0%|Input 9 tok · Output 6 tok')
+    expect(view.container.textContent).toBe('2 turns · 3 steps')
   })
 
   it('AssistantMarkdown reasoning as the streaming tail renders the running ring', () => {
@@ -74,7 +78,7 @@ describe('render branch tails', () => {
     const emptyList = createSnapshotStore<SessionListState>(
       { ids: [], byId: {}, current: undefined, phase: 'ready' })
     const emptyWorkspaces = createSnapshotStore<WorkspaceListState>({
-      items: [], state: 'idle', phase: 'ready', error: null,
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
       baselinesReady: true, recentWorkspaceId: undefined,
     })
     const view = render(
@@ -111,7 +115,7 @@ describe('render branch tails', () => {
     const emptyList = createSnapshotStore<SessionListState>(
       { ids: [], byId: {}, current: undefined, phase: 'ready' })
     const emptyWorkspaces = createSnapshotStore<WorkspaceListState>({
-      items: [], state: 'idle', phase: 'ready', error: null,
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
       baselinesReady: true, recentWorkspaceId: undefined,
     })
     const view = render(
diff --git a/packages/client/ui-conversation/tests/input-bar.spec.tsx b/packages/client/ui-conversation/tests/input-bar.spec.tsx
index a501ac1a4c..cf9955a85b 100644
--- a/packages/client/ui-conversation/tests/input-bar.spec.tsx
+++ b/packages/client/ui-conversation/tests/input-bar.spec.tsx
@@ -23,7 +23,7 @@ const SID = 's1' as SessionId
 
 function snapshotOf(overrides: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
   return {
-    sessionId: SID, nodes: [], foldDegraded: false, partial: null, runningCalls: [], codeDispatches: new Map(),
+    sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
     pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
     openState: 'open', openError: null, hasMore: false, loadingOlder: false,
     promptError: null, blank: false, lastAgentError: null,
@@ -46,10 +46,13 @@ interface BenchOptions {
   variant?: 'hero' | 'composer'
   placeholder?: string
   t?: InputBarProps['t']
+  command?: (line: string) => Promise<boolean>
   accessory?: React.ReactNode
   overlay?: React.ReactNode
   leftItems?: React.ReactNode
   rightItems?: React.ReactNode
+  commandMenuOpen?: boolean
+  toggleCommandMenu?: (selection: { start: number; end: number }) => void
 }
 
 /** Real machine behind the bar entry: sink spy, no slash pipeline (plain text goes straight to the sink). */
@@ -77,6 +80,7 @@ function bench(over?: BenchOptions) {
     promptError: over?.promptError ?? null,
   }))
   const stop = vi.fn()
+  const menuLauncher = createSnapshotStore<string | null>(over?.commandMenuOpen === true ? 'command' : null)
   const slotCalls: { key: string; owner: unknown }[] = []
   const renderSlot = ((key: string, owner: object) => {
     slotCalls.push({ key, owner })
@@ -92,7 +96,7 @@ function bench(over?: BenchOptions) {
       ids: [], byId: {}, current: undefined, phase: 'ready',
     })),
     useWorkspaces: bindSnapshotSelector(createSnapshotStore({
-      items: [], state: 'idle', phase: 'ready', error: null,
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
       baselinesReady: true, recentWorkspaceId: undefined,
     })),
     useProjection: ((key: string, selector?: (v: unknown) => unknown) =>
@@ -100,10 +104,12 @@ function bench(over?: BenchOptions) {
     useInput: bindSnapshotSelector(shell.state),
     inputActions: shell.actions,
     keyboard: shell,
+    toggleCommandMenu: over?.toggleCommandMenu ?? vi.fn(),
     useNotices: bindSnapshotSelector(shell.notices),
     useLexicon: bindSnapshotSelector(shell.lexicon),
+    useMenuLauncher: bindSnapshotSelector(menuLauncher),
     stop,
-    command: () => Promise.resolve(true),
+    command: over?.command ?? (() => Promise.resolve(true)),
     // Mirrors the real lookup chain (conversation namespace, then common).
     t: over?.t ?? makeTranslate(zh, commonZh),
     renderSlot,
@@ -120,14 +126,14 @@ function bench(over?: BenchOptions) {
   const button = view.container.querySelector<HTMLButtonElement>(
     `button[aria-label="${over?.running === true ? '停止生成' : '发送消息'}"]`,
   )!
-  return { view, textarea, button, props, sink, shell, wiring: shell, session, stop, slotCalls }
+  return { view, textarea, button, props, sink, shell, wiring: shell, session, stop, slotCalls, menuLauncher }
 }
 
 describe('Enter semantics', () => {
   it('plain Enter submits queue mode through the machine; repeat and empty are suppressed', () => {
     const { textarea, sink } = bench({ draft: 'hello' })
     fireEvent.keyDown(textarea, { key: 'Enter' })
-    expect(sink).toHaveBeenCalledWith('hello', 'queue')
+    expect(sink).toHaveBeenCalledWith('hello')
     fireEvent.keyDown(textarea, { key: 'Enter', repeat: true })
     expect(sink).toHaveBeenCalledTimes(1)
     const empty = bench({ draft: '   ' })
@@ -195,7 +201,7 @@ describe('running and lock semantics (queue cut 1)', () => {
     expect(textarea.disabled).toBe(false) // running no longer locks
     fireEvent.change(textarea, { target: { value: '排队消息2' } })
     fireEvent.keyDown(textarea, { key: 'Enter' })
-    expect(sink).toHaveBeenCalledWith('排队消息2', 'queue')
+    expect(sink).toHaveBeenCalledWith('排队消息2')
     expect(button.getAttribute('aria-label')).toBe('停止生成')
     fireEvent.click(button)
     expect(stop).toHaveBeenCalledTimes(1)
@@ -205,13 +211,13 @@ describe('running and lock semantics (queue cut 1)', () => {
     const { textarea, view } = bench({ disabled: true })
     expect(textarea.disabled).toBe(true)
     expect(textarea.placeholder).toBe('会话不可用')
-    expect((view.getByLabelText('添加附件') as HTMLButtonElement).disabled).toBe(true)
+    expect((view.getByLabelText('命令') as HTMLButtonElement).disabled).toBe(true)
   })
 
   it('idle primary sends and disables on empty draft', () => {
     const { button, sink } = bench({ draft: 'go' })
     fireEvent.click(button)
-    expect(sink).toHaveBeenCalledWith('go', 'queue')
+    expect(sink).toHaveBeenCalledWith('go')
     const empty = bench()
     expect(empty.button.disabled).toBe(true)
   })
@@ -283,6 +289,37 @@ describe('running and lock semantics (queue cut 1)', () => {
     }
   })
 
+  it('the decoration backdrop tracks the textarea offset (it paints every visible glyph)', () => {
+    const { view, textarea } = bench({ draft: 'line\n'.repeat(40) })
+    const backdrop = view.container.querySelector<HTMLElement>('[data-input-backdrop]')!
+    Object.defineProperty(backdrop, 'scrollTop', { value: 0, writable: true, configurable: true })
+    Object.defineProperty(textarea, 'scrollTop', { value: 0, writable: true, configurable: true })
+    // A scrolled draft: the textarea moves, the clipped backdrop must follow.
+    textarea.scrollTop = 120
+    fireEvent.scroll(textarea)
+    expect(backdrop.scrollTop).toBe(120)
+    // Every later move tracks too, including back to the top — a one-shot
+    // mirror would leave the glyphs parked at the first offset it saw.
+    textarea.scrollTop = 0
+    fireEvent.scroll(textarea)
+    expect(backdrop.scrollTop).toBe(0)
+  })
+
+  it('the backdrop carries the trailing-line sentinel that keeps its extent equal to the textarea', () => {
+    // jsdom has no layout, so the HEIGHTS this protects cannot be asserted here
+    // (the browser scenario owns that); what is checkable is that the backdrop's
+    // text is the draft plus exactly one newline. A textarea reserves a line box
+    // after a final newline and `pre-wrap` collapses one, so without the
+    // sentinel a draft ending in a newline leaves the backdrop a line short and
+    // the mirrored offset clamps.
+    const withNewline = bench({ draft: 'alpha\nbeta\n' })
+    const backdrop = withNewline.view.container.querySelector<HTMLElement>('[data-input-backdrop]')!
+    expect(backdrop.textContent).toBe('alpha\nbeta\n\n')
+    const withoutNewline = bench({ draft: 'alpha\nbeta' })
+    const plain = withoutNewline.view.container.querySelector<HTMLElement>('[data-input-backdrop]')!
+    expect(plain.textContent).toBe('alpha\nbeta\n')
+  })
+
   it('disabled state shows the unavailable placeholder; custom placeholder wins', () => {
     const { textarea } = bench({ disabled: true })
     expect(textarea.placeholder).toBe('会话不可用')
@@ -320,7 +357,7 @@ describe('machine pending lock', () => {
         },
         { start: 0, end: 6, draftRev: shell.snapshot.draftRev },
       )
-      shell.submit('queue')
+      shell.submit()
     })
     expect(shell.snapshot.phase).toBe('submitting')
     const textarea = view.container.querySelector('textarea')!
@@ -438,10 +475,10 @@ describe('strips and variants', () => {
   })
 })
 
-describe('placeholder chrome and control seats', () => {
-  it('renders attach; the Access chip is absent without the permissions projection; plan/model seats render EMPTY without entries (B ruling)', () => {
+describe('command launcher chrome and control seats', () => {
+  it('renders the command launcher; the Access chip is absent without the permissions projection; plan/model seats render EMPTY without entries (B ruling)', () => {
     const { view, slotCalls } = bench()
-    expect(view.getByLabelText('添加附件')).toBeTruthy()
+    expect(view.getByLabelText('命令')).toBeTruthy()
     // Capability absent (no projection value): the chip renders nothing.
     expect(view.queryByLabelText(/^访问模式/)).toBeNull()
     // Both seats dispatched, nothing rendered.
@@ -450,7 +487,47 @@ describe('placeholder chrome and control seats', () => {
     expect(view.queryByLabelText('Model')).toBeNull()
   })
 
-  it('the Access chip renders the projection value and submits /permission on pick', async () => {
+  it('passes the textarea selection to the command menu launcher and reflects its expanded state', () => {
+    const toggleCommandMenu = vi.fn()
+    const { view, textarea, menuLauncher } = bench({ draft: 'draft text', toggleCommandMenu })
+    textarea.setSelectionRange(2, 7)
+    const launcher = view.getByLabelText('命令')
+    expect(launcher.getAttribute('aria-expanded')).toBe('false')
+    fireEvent.click(launcher)
+    expect(toggleCommandMenu).toHaveBeenCalledExactlyOnceWith({ start: 2, end: 7 })
+    act(() => { menuLauncher.set('command') })
+    expect(launcher.getAttribute('aria-expanded')).toBe('true')
+  })
+
+  it('the Access chip renders the projection value and submits a non-Full-access pick directly', async () => {
+    const command = vi.fn(() => Promise.resolve(true))
+    const permissions = {
+      options: [
+        { value: 'read-only', name: 'read-only' },
+        { value: 'workspace-write', name: 'workspace-write' },
+        { value: 'danger-full-access', name: 'danger-full-access' },
+      ],
+      currentValue: 'read-only',
+    }
+    const { view } = bench({ permissions, command })
+    const trigger = view.getByLabelText(/^访问模式/) as HTMLButtonElement
+    // Title-case display is presentation only; the menu ids stay machine names.
+    expect(trigger.textContent).toBe('Read Only')
+    fireEvent.click(trigger)
+    const items = view.getAllByRole('menuitem')
+    expect(items.map(o => o.textContent)).toEqual(['Read Only', 'Workspace Write', 'Full access'])
+    fireEvent.click(items[1]!)
+    // Optimistic pick + disable until admission resolves (command stub resolves true).
+    const busy = view.getByLabelText(/^访问模式/) as HTMLButtonElement
+    expect(busy.textContent).toBe('Workspace Write')
+    expect(busy.disabled).toBe(true)
+    expect(command).toHaveBeenCalledWith('/permission workspace-write')
+    await act(async () => {})
+    expect((view.getByLabelText(/^访问模式/) as HTMLButtonElement).disabled).toBe(false)
+  })
+
+  it('requires explicit risk acknowledgement before submitting Full access', async () => {
+    const command = vi.fn(() => Promise.resolve(true))
     const permissions = {
       options: [
         { value: 'workspace-write', name: 'workspace-write' },
@@ -458,20 +535,86 @@ describe('placeholder chrome and control seats', () => {
       ],
       currentValue: 'workspace-write',
     }
-    const { view } = bench({ permissions })
-    const trigger = view.getByLabelText(/^访问模式/) as HTMLButtonElement
-    // Title-case display is presentation only; the menu ids stay machine names.
-    expect(trigger.textContent).toBe('Workspace Write')
-    fireEvent.click(trigger)
-    const items = view.getAllByRole('menuitem')
-    expect(items.map(o => o.textContent)).toEqual(['Workspace Write', 'Danger Full Access'])
-    fireEvent.click(items[1]!)
-    // Optimistic pick + disable until admission resolves (command stub resolves true).
-    const busy = view.getByLabelText(/^访问模式/) as HTMLButtonElement
-    expect(busy.textContent).toBe('Danger Full Access')
-    expect(busy.disabled).toBe(true)
+    const { view } = bench({ permissions, command })
+    fireEvent.click(view.getByLabelText(/^访问模式/))
+    fireEvent.click(view.getByRole('menuitem', { name: 'Full access' }))
+
+    expect(command).not.toHaveBeenCalled()
+    expect(view.getByRole('dialog', { name: '确认启用 Full access？' })).toBeTruthy()
+    const enable = view.getByRole('button', { name: '启用 Full access' }) as HTMLButtonElement
+    expect(enable.disabled).toBe(true)
+
+    fireEvent.click(view.getByRole('checkbox', { name: '我已了解风险，并愿意继续' }))
+    expect(enable.disabled).toBe(false)
+    fireEvent.click(enable)
+
+    expect(command).toHaveBeenCalledOnce()
+    expect(command).toHaveBeenCalledWith('/permission danger-full-access')
+    expect(view.queryByRole('dialog')).toBeNull()
+    expect((view.getByLabelText(/^访问模式/) as HTMLButtonElement).textContent).toBe('Full access')
     await act(async () => {})
-    expect((view.getByLabelText(/^访问模式/) as HTMLButtonElement).disabled).toBe(false)
+  })
+
+  it('cancels a Full access selection without changing permission and resets acknowledgement', () => {
+    const command = vi.fn(() => Promise.resolve(true))
+    const permissions = {
+      options: [
+        { value: 'workspace-write', name: 'workspace-write' },
+        { value: 'danger-full-access', name: 'danger-full-access' },
+      ],
+      currentValue: 'workspace-write',
+    }
+    const { view } = bench({ permissions, command })
+    const openConfirmation = () => {
+      fireEvent.click(view.getByLabelText(/^访问模式/))
+      fireEvent.click(view.getByRole('menuitem', { name: 'Full access' }))
+    }
+
+    openConfirmation()
+    fireEvent.click(view.getByRole('checkbox'))
+    fireEvent.click(view.getByRole('button', { name: '取消' }))
+    expect(command).not.toHaveBeenCalled()
+    expect((view.getByLabelText(/^访问模式/) as HTMLButtonElement).textContent).toBe('Workspace Write')
+
+    openConfirmation()
+    expect((view.getByRole('checkbox') as HTMLInputElement).checked).toBe(false)
+    expect((view.getByRole('button', { name: '启用 Full access' }) as HTMLButtonElement).disabled).toBe(true)
+  })
+
+  it('revokes an open Full access confirmation when the task locks', () => {
+    const command = vi.fn(() => Promise.resolve(true))
+    const permissions = {
+      options: [
+        { value: 'workspace-write', name: 'workspace-write' },
+        { value: 'danger-full-access', name: 'danger-full-access' },
+      ],
+      currentValue: 'workspace-write',
+    }
+    const { view, session } = bench({ permissions, command })
+    fireEvent.click(view.getByLabelText(/^访问模式/))
+    fireEvent.click(view.getByRole('menuitem', { name: 'Full access' }))
+    fireEvent.click(view.getByRole('checkbox'))
+    act(() => { session.set(snapshotOf({ removed: true })) })
+    expect(view.queryByRole('dialog')).toBeNull()
+    expect(command).not.toHaveBeenCalled()
+  })
+
+  it('resets an open Full access confirmation when switching tasks', () => {
+    const command = vi.fn(() => Promise.resolve(true))
+    const permissions = {
+      options: [
+        { value: 'workspace-write', name: 'workspace-write' },
+        { value: 'danger-full-access', name: 'danger-full-access' },
+      ],
+      currentValue: 'workspace-write',
+    }
+    const { view, props } = bench({ permissions, command })
+    fireEvent.click(view.getByLabelText(/^访问模式/))
+    fireEvent.click(view.getByRole('menuitem', { name: 'Full access' }))
+    fireEvent.click(view.getByRole('checkbox'))
+    view.rerender(<InputBar {...props} sessionId={'s2' as SessionId} />)
+    expect(view.queryByRole('dialog')).toBeNull()
+    expect(command).not.toHaveBeenCalled()
   })
 
   it('a registered entry fills its seat and receives the locked owner prop', () => {
@@ -489,10 +632,10 @@ describe('placeholder chrome and control seats', () => {
     expect(live.slotCalls.every(c => !(c.owner as { locked: boolean }).locked)).toBe(true)
   })
 
-  it('disabled locks the Access chip and attach control (running does not)', () => {
+  it('disabled locks the Access chip and command launcher (running does not)', () => {
     const permissions = { options: [{ value: 'workspace-write', name: 'workspace-write' }], currentValue: 'workspace-write' }
     const { view } = bench({ disabled: true, permissions })
-    expect((view.getByLabelText('添加附件') as HTMLButtonElement).disabled).toBe(true)
+    expect((view.getByLabelText('命令') as HTMLButtonElement).disabled).toBe(true)
     expect((view.getByLabelText(/^访问模式/) as HTMLButtonElement).disabled).toBe(true)
     cleanup()
     const live = bench({ running: true, permissions })
diff --git a/packages/client/ui-conversation/tests/input-machine.spec.ts b/packages/client/ui-conversation/tests/input-machine.spec.ts
index 9ce23c4a10..510cb28076 100644
--- a/packages/client/ui-conversation/tests/input-machine.spec.ts
+++ b/packages/client/ui-conversation/tests/input-machine.spec.ts
@@ -40,9 +40,9 @@ function effectAt<T extends InputEffect['type']>(
 }
 
 /** Drive plain → adjudicating and hand back the minted attempt. */
-function enterAdjudicating(m: InputMachine, draft: string, mode: 'queue' | 'steer' = 'queue'): SubmitAttempt {
+function enterAdjudicating(m: InputMachine, draft: string): SubmitAttempt {
   m.dispatch({ type: 'draft-changed', draft })
-  const fx = m.dispatch({ type: 'enter', mode })
+  const fx = m.dispatch({ type: 'enter' })
   return effectAt(fx, 0, 'adjudicate').attempt
 }
 
@@ -52,7 +52,7 @@ function enterSubmitting(m: InputMachine, name: string, args: string): { attempt
   m.dispatch({ type: 'draft-changed', draft: `/${name.slice(0, 2)}` })
   m.dispatch({ type: 'begin-command', claim, span: spanOf(m, 0, m.state.draft.length) })
   m.dispatch({ type: 'draft-changed', draft: claim.token + args })
-  const fx = m.dispatch({ type: 'enter', mode: 'queue' })
+  const fx = m.dispatch({ type: 'enter' })
   return { attempt: effectAt(fx, 0, 'begin-submit').attempt, claim }
 }
 
@@ -63,24 +63,24 @@ function staleAttempt(): SubmitAttempt {
 describe('input-machine: plain × enter', () => {
   it('empty and whitespace-only drafts produce nothing', () => {
     const m = new InputMachine()
-    expect(m.dispatch({ type: 'enter', mode: 'queue' })).toEqual([])
+    expect(m.dispatch({ type: 'enter' })).toEqual([])
     m.dispatch({ type: 'draft-changed', draft: '  \n ' })
-    expect(m.dispatch({ type: 'enter', mode: 'queue' })).toEqual([])
+    expect(m.dispatch({ type: 'enter' })).toEqual([])
     expect(m.state.phase).toBe('plain')
   })
 
-  it('non-command text falls to the default sink with the given mode', () => {
+  it('non-command text falls to the default sink', () => {
     const m = new InputMachine()
     m.dispatch({ type: 'draft-changed', draft: 'hello world' })
-    expect(m.dispatch({ type: 'enter', mode: 'steer' }))
-      .toEqual([{ type: 'default-sink', draft: 'hello world', mode: 'steer' }])
+    expect(m.dispatch({ type: 'enter' }))
+      .toEqual([{ type: 'default-sink', draft: 'hello world' }])
     expect(m.state.phase).toBe('plain')
   })
 
   it('leading "/" enters adjudicating with a minted attempt carrying the draft snapshot', () => {
     const m = new InputMachine()
     m.dispatch({ type: 'draft-changed', draft: '/goal x' })
-    const fx = m.dispatch({ type: 'enter', mode: 'queue' })
+    const fx = m.dispatch({ type: 'enter' })
     const eff = effectAt(fx, 0, 'adjudicate')
     expect(eff.draft).toBe('/goal x')
     expect(eff.attempt.draftSnapshot).toBe('/goal x')
@@ -91,14 +91,14 @@ describe('input-machine: plain × enter', () => {
   it('leading is judged after trim including newlines', () => {
     const m = new InputMachine()
     m.dispatch({ type: 'draft-changed', draft: '\n\n/goal x' })
-    expect(m.dispatch({ type: 'enter', mode: 'queue' })[0]?.type).toBe('adjudicate')
+    expect(m.dispatch({ type: 'enter' })[0]?.type).toBe('adjudicate')
   })
 
   it('a non-whitespace prefix before "/" is not leading — default sink', () => {
     const m = new InputMachine()
     m.dispatch({ type: 'draft-changed', draft: '第一行\n/goal x' })
-    expect(m.dispatch({ type: 'enter', mode: 'queue' }))
-      .toEqual([{ type: 'default-sink', draft: '第一行\n/goal x', mode: 'queue' }])
+    expect(m.dispatch({ type: 'enter' }))
+      .toEqual([{ type: 'default-sink', draft: '第一行\n/goal x' }])
   })
 })
 
@@ -124,11 +124,11 @@ describe('input-machine: adjudication outcomes', () => {
     expect(effectAt(b.dispatch({ type: 'adjudicated', attempt: attemptB, outcome: { claim: claimOf('goal') } }), 0, 'begin-submit').args).toBe('x')
   })
 
-  it('undefined outcome falls back to the default sink preserving the enter mode', () => {
+  it('undefined outcome falls back to the default sink', () => {
     const m = new InputMachine()
-    const attempt = enterAdjudicating(m, '/unknown thing', 'steer')
+    const attempt = enterAdjudicating(m, '/unknown thing')
     expect(m.dispatch({ type: 'adjudicated', attempt, outcome: undefined }))
-      .toEqual([{ type: 'default-sink', draft: '/unknown thing', mode: 'steer' }])
+      .toEqual([{ type: 'default-sink', draft: '/unknown thing' }])
     expect(m.state.phase).toBe('plain')
   })
 
@@ -152,7 +152,7 @@ describe('input-machine: adjudication outcomes', () => {
   it('enter is a no-op while adjudicating (pending lock)', () => {
     const m = new InputMachine()
     enterAdjudicating(m, '/goal x')
-    expect(m.dispatch({ type: 'enter', mode: 'queue' })).toEqual([])
+    expect(m.dispatch({ type: 'enter' })).toEqual([])
     expect(m.state.phase).toBe('adjudicating')
   })
 
@@ -587,7 +587,7 @@ describe('input-machine: paste plane', () => {
 
     const b = new InputMachine()
     b.dispatch({ type: 'paste-begin', text: 'plain text', selection: { start: 0, end: 0 } })
-    b.dispatch({ type: 'enter', mode: 'queue' })
+    b.dispatch({ type: 'enter' })
     expect(b.state.paste).toBeUndefined()
   })
 
@@ -755,7 +755,7 @@ describe('input-machine: submitting transaction', () => {
   it('enter and begin-command are locked; draft-changed is recorded without leaving submitting', () => {
     const m = new InputMachine()
     enterSubmitting(m, 'goal', 'x')
-    expect(m.dispatch({ type: 'enter', mode: 'queue' })).toEqual([])
+    expect(m.dispatch({ type: 'enter' })).toEqual([])
     expect(m.dispatch({ type: 'draft-changed', draft: '/goal y' })).toEqual([])
     expect(m.state).toMatchObject({ phase: 'submitting', draft: '/goal y' })
   })
@@ -768,7 +768,7 @@ describe('input-machine: submitting transaction', () => {
     m.dispatch({ type: 'draft-changed', draft: '/go', editRange: { start: 0, end: 1, insertedLength: 0 } })
     m.dispatch({ type: 'begin-command', claim: claimOf('goal'), span: spanOf(m, 0, 3) })
     m.dispatch({ type: 'draft-changed', draft: '/goal go' })
-    const attempt = effectAt(m.dispatch({ type: 'enter', mode: 'queue' }), 0, 'begin-submit').attempt
+    const attempt = effectAt(m.dispatch({ type: 'enter' }), 0, 'begin-submit').attempt
     const fx = m.dispatch({ type: 'submit-settled', attempt, ok: true, outcome: { kind: 'success', text: 'goal set' } })
     expect(fx).toEqual([{ type: 'notice', level: 'info', text: 'goal set' }])
     expect(m.state).toMatchObject({ phase: 'plain', draft: '', occurrences: [] })
@@ -809,7 +809,7 @@ describe('input-machine: submitting transaction', () => {
     const m = new InputMachine()
     const { attempt: first } = enterSubmitting(m, 'goal', 'x')
     m.dispatch({ type: 'submit-settled', attempt: first, ok: false, message: 'retry' })
-    const second = effectAt(m.dispatch({ type: 'enter', mode: 'queue' }), 0, 'begin-submit').attempt
+    const second = effectAt(m.dispatch({ type: 'enter' }), 0, 'begin-submit').attempt
     expect(second.seq).not.toBe(first.seq)
     expect(m.dispatch({ type: 'submit-settled', attempt: first, ok: true })).toEqual([])
     expect(m.state.phase).toBe('submitting')
diff --git a/packages/client/ui-conversation/tests/input-matrix.spec.tsx b/packages/client/ui-conversation/tests/input-matrix.spec.tsx
index 005aedc693..b406b58da5 100644
--- a/packages/client/ui-conversation/tests/input-matrix.spec.tsx
+++ b/packages/client/ui-conversation/tests/input-matrix.spec.tsx
@@ -26,7 +26,7 @@ const SID = 's1' as SessionId
 /** Standard-props InputBar mount over a real shell (the composer-bar entry shape). */
 function mountBar(shell: SessionInputShell, over?: { running?: boolean; disabled?: boolean }) {
   const session = createSnapshotStore<ConversationSnapshot>({
-    sessionId: SID, nodes: [], foldDegraded: false, partial: null, runningCalls: [], codeDispatches: new Map(),
+    sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
     pending: [], queue: [], running: over?.running ?? false, composerPhase: 'active',
     removed: over?.disabled ?? false, openState: 'open', openError: null, hasMore: false,
     loadingOlder: false, promptError: null, blank: false, lastAgentError: null,
@@ -39,15 +39,17 @@ function mountBar(shell: SessionInputShell, over?: { running?: boolean; disabled
       ids: [], byId: {}, current: undefined, phase: 'ready',
     })),
     useWorkspaces: bindSnapshotSelector(createSnapshotStore({
-      items: [], state: 'idle', phase: 'ready', error: null,
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
       baselinesReady: true, recentWorkspaceId: undefined,
     })),
     useProjection: (() => undefined),
     useInput: bindSnapshotSelector(shell.state),
     inputActions: shell.actions,
     keyboard: shell,
+    toggleCommandMenu: vi.fn(),
     useNotices: bindSnapshotSelector(shell.notices),
     useLexicon: bindSnapshotSelector(shell.lexicon),
+    useMenuLauncher: bindSnapshotSelector(createSnapshotStore<string | null>(null)),
     renderSlot: (() => null) as InputBarProps['renderSlot'],
     stop: vi.fn(),
     command: () => Promise.resolve(true),
@@ -85,7 +87,7 @@ describe('matrix row: plain', () => {
     fireEvent.change(textarea, { target: { value: '普通消息' } })
     expect(shell.snapshot.claim).toBeUndefined()
     fireEvent.keyDown(textarea, { key: 'Enter' })
-    expect(sink).toHaveBeenCalledWith('普通消息', 'queue')
+    expect(sink).toHaveBeenCalledWith('普通消息')
     expect(shell.snapshot.phase).toBe('plain')
   })
 })
@@ -175,7 +177,7 @@ describe('matrix row: locked (session disabled)', () => {
   it('disables the textarea and chrome; the machine currency is untouched', () => {
     const { view, textarea, shell } = bench({ disabled: true })
     expect((textarea).disabled).toBe(true)
-    expect((view.getByLabelText('添加附件') as HTMLButtonElement).disabled).toBe(true)
+    expect((view.getByLabelText('命令') as HTMLButtonElement).disabled).toBe(true)
     expect(shell.snapshot.phase).toBe('plain')
   })
 
@@ -184,7 +186,7 @@ describe('matrix row: locked (session disabled)', () => {
     expect((textarea).disabled).toBe(false)
     fireEvent.change(textarea, { target: { value: '排队' } })
     fireEvent.keyDown(textarea, { key: 'Enter' })
-    expect(sink).toHaveBeenCalledWith('排队', 'queue')
+    expect(sink).toHaveBeenCalledWith('排队')
   })
 })
 
diff --git a/packages/client/ui-conversation/tests/input-scenarios.spec.tsx b/packages/client/ui-conversation/tests/input-scenarios.spec.tsx
index 2c735071e3..2498ed93a4 100644
--- a/packages/client/ui-conversation/tests/input-scenarios.spec.tsx
+++ b/packages/client/ui-conversation/tests/input-scenarios.spec.tsx
@@ -112,7 +112,7 @@ async function scopedBench(register?: (slash: SlashService) => void) {
   actx.on('slash/input-consume-token', req => shell.consumeToken(req.guard) ? true : undefined)
   const wiring = shell
   const sessionStore = createSnapshotStore<ConversationSnapshot>({
-    sessionId, nodes: [], foldDegraded: false, partial: null, runningCalls: [], codeDispatches: new Map(),
+    sessionId, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
     pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
     openState: 'open', openError: null, hasMore: false, loadingOlder: false,
     promptError: null, blank: false, lastAgentError: null,
@@ -125,15 +125,25 @@ async function scopedBench(register?: (slash: SlashService) => void) {
       ids: [], byId: {}, current: undefined, phase: 'ready',
     })),
     useWorkspaces: bindSnapshotSelector(createSnapshotStore({
-      items: [], state: 'idle', phase: 'ready', error: null,
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
       baselinesReady: true, recentWorkspaceId: undefined,
     })),
     useProjection: (() => undefined),
     useInput: bindSnapshotSelector(shell.state),
     inputActions: shell.actions,
     keyboard: shell,
+    toggleCommandMenu: (selection) => {
+      const snapshot = shell.snapshot
+      controller.toggleSource('command', {
+        trigger: '/',
+        query: '',
+        position: snapshot.draft.slice(0, selection.start).trim() === '' ? 'leading' : 'inline',
+        span: { ...selection, draftRev: snapshot.draftRev },
+      })
+    },
     useNotices: bindSnapshotSelector(shell.notices),
     useLexicon: bindSnapshotSelector(shell.lexicon),
+    useMenuLauncher: bindSnapshotSelector(controller.launcher),
     renderSlot: (() => null) as InputBarProps['renderSlot'],
     stop: vi.fn(),
     command: () => Promise.resolve(true),
@@ -224,7 +234,7 @@ describe('scenario D: execute-kind /compact', () => {
     act(() => { b2.shell.setDraft('/compact 现在') })
     fireEvent.keyDown(b2.textarea, { key: 'Enter' })
     // execute with trailing → matchEnter answers undefined → default sink.
-    await vi.waitFor(() => { expect(b2.sink).toHaveBeenCalledWith('/compact 现在', 'queue') })
+    await vi.waitFor(() => { expect(b2.sink).toHaveBeenCalledWith('/compact 现在') })
     expect(b2.executed).toHaveLength(0)
   })
 })
@@ -278,7 +288,7 @@ describe('scenario I: unknown /xyz + enter', () => {
     const b = await bench()
     act(() => { b.shell.setDraft('/xyz 干点啥') })
     fireEvent.keyDown(b.textarea, { key: 'Enter' })
-    await vi.waitFor(() => { expect(b.sink).toHaveBeenCalledWith('/xyz 干点啥', 'queue') })
+    await vi.waitFor(() => { expect(b.sink).toHaveBeenCalledWith('/xyz 干点啥') })
     expect(b.shell.snapshot.phase).toBe('plain')
     expect(b.execute).not.toHaveBeenCalled()
   })
diff --git a/packages/client/ui-conversation/tests/queue-dock.spec.tsx b/packages/client/ui-conversation/tests/queue-dock.spec.tsx
index c55f20a536..08a27cae9f 100644
--- a/packages/client/ui-conversation/tests/queue-dock.spec.tsx
+++ b/packages/client/ui-conversation/tests/queue-dock.spec.tsx
@@ -28,7 +28,7 @@ function row(id: string, text: string | null, preview = text ?? '[image]'): Queu
 
 function snapshotWith(queue: QueuedMessage[]): ConversationSnapshot {
   return {
-    sessionId: SID, nodes: [], foldDegraded: false, partial: null, runningCalls: [], codeDispatches: new Map(),
+    sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
     pending: [], queue, running: true, composerPhase: 'active', removed: false, openState: 'open', openError: null,
     hasMore: false, loadingOlder: false, promptError: null, blank: false, lastAgentError: null,
   }
diff --git a/packages/client/ui-conversation/tests/read-card.spec.tsx b/packages/client/ui-conversation/tests/read-card.spec.tsx
new file mode 100644
index 0000000000..b8c08a2bb6
--- /dev/null
+++ b/packages/client/ui-conversation/tests/read-card.spec.tsx
@@ -0,0 +1,319 @@
+// @vitest-environment jsdom
+// The read render intent on the web side: the pure readCardModel derivation
+// over the settled result view, and both conversation render sites that consume
+// it — the chat tool row (the keyed ReadRow and the GenericToolCard fallback,
+// each composing ToolRow with the read card as its collapsed-by-default expanded
+// body) and the details panel's Output section (resident, full height). Also
+// pins the keyed 'read' toolview registration.
+
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import { cleanup, fireEvent, render } from '@testing-library/react'
+import { Context } from 'cordis'
+import { bindSnapshotSelector } from '@deepseek-ai/dsh-client-web-react'
+import { createSnapshotStore } from '@deepseek-ai/dsh-client-runtime/client'
+import { makeTranslate } from '@deepseek-ai/dsh-client-test-runtime'
+import { zh as commonZh } from '@deepseek-ai/dsh-client-locale/src/locales/zh.ts'
+import type {
+  ConversationSnapshot, RunningToolCall, SessionId, SessionListState, ToolResultNode, WorkspaceListState,
+} from '@deepseek-ai/dsh-client-runtime/client'
+import type { ToolResultView } from '@deepseek-ai/dsh-client-connection/client'
+import type { SelectionTarget } from '@deepseek-ai/dsh-client-ui-conversation/client'
+import { CHAT_READ_MAX_LINES, readCardModel } from '../src/client/contract/read-card-model.ts'
+import { createChatStore } from '../src/client/stores.ts'
+import { GenericToolCard, type GenericToolCardProps } from '../src/client/chat/GenericToolCard.tsx'
+import { zh } from '../src/client/locales.ts'
+import { DetailsPanel } from '../src/client/skeleton/DetailsPanel.tsx'
+import { ReadRow, readToolview } from '../src/client/toolviews/read-row.tsx'
+
+afterEach(cleanup)
+
+const SID = 's1' as SessionId
+
+/** The chat-view locale seat: this package's namespace over the common fallback. */
+const t: GenericToolCardProps['t'] = makeTranslate(zh, commonZh)
+
+// The read tool's real schema key is `file_path`; the top-level read samples
+// use it so the row exercises a production-shaped call. `web_fetch` (below) has
+// its own schema whose key is not `file_path`, so it keeps a `url`-less `path`.
+const ARGS = '{"file_path":"src/a.ts","offset":41}'
+const WEB_FETCH_ARGS = '{"path":"src/a.ts","offset":41}'
+
+/** The read block's rendered content cells, one string per row (highlighting
+ *  breaks a line across token spans, so match on the row's textContent). */
+function contentTexts(container: HTMLElement): string[] {
+  return [...container.querySelectorAll('[data-read] [class^="_content_"]')].map(cell => cell.textContent ?? '')
+}
+
+/** Three windowed lines starting at file line 41 (a read past an offset). */
+const sampleLines = [
+  { number: 41, text: 'export const a = 1' },
+  { number: 42, text: 'export const b = 2' },
+  { number: 43, text: 'export const c = 3' },
+]
+
+/** The read tool's own result view for a settled file read. */
+const resultRead = (over?: Partial<Extract<ToolResultView, { card: 'read' }>>): ToolResultView => ({
+  card: 'read', path: 'src/a.ts', offset: 41, lines: sampleLines, totalLines: 180, lang: 'ts', ...over,
+})
+
+const running = (over?: Partial<RunningToolCall>): RunningToolCall => ({
+  callId: 'c1', name: 'read', argsRaw: ARGS,
+  turn: 1, step: 1, time: 1_000, callView: { card: 'generic', title: 'Read src/a.ts', kind: 'read' }, ...over,
+})
+
+const settled = (over?: Partial<ToolResultNode>): ToolResultNode => ({
+  kind: 'tool-result', seq: 10, time: 2_000, callId: 'c1',
+  call: { name: 'read', argsRaw: ARGS },
+  callTime: 1_000,
+  content: [{ type: 'text', text: '41: export const a = 1' }], isError: false,
+  callView: { card: 'generic', title: 'Read src/a.ts', kind: 'read' }, resultView: resultRead(), ...over,
+})
+
+describe('readCardModel', () => {
+  it('derives the card from a settled read result view', () => {
+    expect(readCardModel(settled())).toEqual({
+      label: 'src/a.ts', lines: sampleLines, totalLines: 180, lang: 'ts',
+    })
+  })
+
+  it('copies the lines into the primitive shape rather than aliasing the frozen slice', () => {
+    const model = readCardModel(settled())
+    expect(model?.lines).toEqual(sampleLines)
+    expect(model?.lines).not.toBe(sampleLines)
+    expect(model?.lines[0]).not.toBe(sampleLines[0])
+  })
+
+  it('takes the result view\'s replacement title over the relativized path', () => {
+    // The presentation contract defines a result title as REPLACING the pending
+    // one, so a tool that supplies a label wins over the path here.
+    expect(readCardModel(settled({ resultView: resultRead({ title: 'Read (head) src/a.ts' }) }))?.label)
+      .toBe('Read (head) src/a.ts')
+  })
+
+  it('relativizes a workspace-rooted path label, and leaves others as authored', () => {
+    // A workspace-rooted absolute path shows its short form.
+    expect(readCardModel(settled({ resultView: resultRead({ path: '/w/app/src/a.ts' }) }), '/w/app')?.label)
+      .toBe('src/a.ts')
+    // A path outside the workspace stays as authored.
+    expect(readCardModel(settled({ resultView: resultRead({ path: '/srv/other.ts' }) }), '/w/app')?.label)
+      .toBe('/srv/other.ts')
+    // With no session cwd there is nothing to relativize against.
+    expect(readCardModel(settled({ resultView: resultRead({ path: '/w/app/src/a.ts' }) }))?.label)
+      .toBe('/w/app/src/a.ts')
+  })
+
+  it('carries an omitted language through as undefined', () => {
+    const noLang = resultRead()
+    delete (noLang as { lang?: string }).lang
+    expect(readCardModel(settled({ resultView: noLang }))?.lang).toBeUndefined()
+  })
+
+  it('returns null for a running read: the read intent is result-side only', () => {
+    // A read carries no content until execute returns, so the pending call is a
+    // generic card and there is no read card to draw yet.
+    expect(readCardModel(running())).toBeNull()
+  })
+
+  it('returns null for every non-read settled call: no view, generic view, unknown card', () => {
+    expect(readCardModel(settled({ resultView: null }))).toBeNull()
+    expect(readCardModel(settled({ resultView: { card: 'generic' } }))).toBeNull()
+    // A card tag this UI version does not know arrives over the wire; the
+    // documented generic-card default takes it, not a crash.
+    const future = { card: 'chart' } as unknown as ToolResultView
+    expect(readCardModel(settled({ resultView: future }))).toBeNull()
+  })
+})
+
+describe('GenericToolCard read body', () => {
+  const ownerProps = (block: RunningToolCall | ToolResultNode): GenericToolCardProps => ({
+    callId: 'c1', toolName: 'web_fetch', block, openFile: vi.fn(), t,
+  })
+
+  /** The whole summary row is the expand toggle (ToolRow's unified interaction). */
+  const toggleRow = (view: { container: HTMLElement }) => {
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
+  }
+
+  it('expands to the read card, capped tighter than the panel', () => {
+    expect(CHAT_READ_MAX_LINES).toBeLessThan(16)
+    // web_fetch lands on the read variant without its own keyed row, so the
+    // fallback card owns the read block once expanded.
+    const view = render(<GenericToolCard {...ownerProps(settled({ call: { name: 'web_fetch', argsRaw: WEB_FETCH_ARGS } }))} />)
+    // Collapsed: no read card in the DOM yet.
+    expect(view.container.querySelector('[data-read]')).toBeNull()
+    toggleRow(view)
+    expect(view.container.querySelector('[data-read]')).not.toBeNull()
+    expect(contentTexts(view.container)).toContain('export const a = 1')
+    // The gutter keeps the file's own line numbers.
+    expect(view.getByText('41')).toBeTruthy()
+  })
+
+  it('a non-read tool renders the bare row with no read card', () => {
+    const view = render(<GenericToolCard {...({
+      callId: 'c1', toolName: 'echo', block: settled({
+        call: { name: 'echo', argsRaw: '{"text":"x"}' }, callView: null, resultView: null,
+      }), openFile: vi.fn(), t,
+    })} />)
+    toggleRow(view)
+    expect(view.container.querySelector('[data-read]')).toBeNull()
+  })
+
+  it('a running read renders the summary row alone (no result view yet)', () => {
+    const view = render(<GenericToolCard {...ownerProps(running({ name: 'web_fetch' }))} />)
+    expect(view.container.querySelector('[data-read]')).toBeNull()
+  })
+})
+
+describe('ReadRow keyed toolview', () => {
+  const list = () => createSnapshotStore<SessionListState>({
+    ids: [SID],
+    byId: { [SID]: { id: SID, displayTitle: 'r', running: false, blank: false, waitingApproval: false, updatedAt: 0, cwd: '/w/app' } },
+    current: SID,
+    phase: 'ready',
+  })
+
+  const rowProps = (block: RunningToolCall | ToolResultNode): Parameters<typeof ReadRow>[0] => ({
+    callId: 'c1', toolName: 'read', block, openFile: vi.fn(),
+    sessionId: SID, useSessions: bindSnapshotSelector(list()),
+    t,
+  } as unknown as Parameters<typeof ReadRow>[0])
+
+  /** The whole summary row is the expand toggle (ToolRow's unified interaction). */
+  const toggleRow = (view: { container: HTMLElement }) => {
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
+  }
+
+  it('collapses to the path summary; the whole row toggles the read card', () => {
+    const view = render(<ReadRow {...rowProps(settled())} />)
+    expect(view.getByText('Read')).toBeTruthy()
+    // Collapsed: the path is the summary link alone, and the card is absent.
+    expect(view.getAllByText('src/a.ts').length).toBe(1)
+    expect(view.container.querySelector('[data-read]')).toBeNull()
+    toggleRow(view)
+    // Expanded: the summary link stays inline and the card's banner label adds a
+    // second occurrence of the path.
+    expect(view.getAllByText('src/a.ts').length).toBe(2)
+    expect(view.container.querySelector('[data-read]')).not.toBeNull()
+    expect(contentTexts(view.container)).toContain('export const a = 1')
+    expect(view.getByText('显示 3 / 180 行')).toBeTruthy()
+    // Collapse back in place: the card unmounts, the summary link returns.
+    toggleRow(view)
+    expect(view.container.querySelector('[data-read]')).toBeNull()
+    expect(view.getAllByText('src/a.ts').length).toBe(1)
+  })
+
+  it('the path summary opens the file through the host', () => {
+    const openFile = vi.fn()
+    const view = render(<ReadRow {...{ ...rowProps(settled()), openFile }} />)
+    fireEvent.click(view.getByRole('button', { name: 'src/a.ts' }))
+    // The row derives the file path from args; the chat view resolves it against
+    // the cwd before this callback opens it, so the arg path is what arrives.
+    expect(openFile).toHaveBeenCalledWith('src/a.ts')
+  })
+
+  it('a running read renders the summary row alone, and its state', () => {
+    const view = render(<ReadRow {...rowProps(running())} />)
+    expect(view.container.querySelector('[data-variant="read"]')?.getAttribute('data-state')).toBe('running')
+    expect(view.container.querySelector('[data-read]')).toBeNull()
+  })
+
+  it('an error read result shows the error state and no read card', () => {
+    const view = render(<ReadRow {...rowProps(settled({
+      resultView: { card: 'generic' }, isError: true,
+      content: [{ type: 'text', text: 'ENOENT' }],
+    }))} />)
+    expect(view.container.querySelector('[data-variant="read"]')?.getAttribute('data-state')).toBe('error')
+    expect(view.container.querySelector('[data-read]')).toBeNull()
+  })
+
+  it('an interrupted read shows the stopped state', () => {
+    const view = render(<ReadRow {...rowProps(settled({
+      resultView: null, isError: true, error: { name: 'ToolError', code: 'interrupted' },
+    }))} />)
+    expect(view.container.querySelector('[data-variant="read"]')?.getAttribute('data-state')).toBe('stopped')
+  })
+
+  it('registers under the read key of the keyed toolview slot', () => {
+    const registered: { name: unknown; key?: unknown }[] = []
+    const ctx = { slots: { register: (options: { name: unknown; key?: unknown }) => { registered.push(options) } } } as unknown as Context
+    readToolview.apply(ctx)
+    // The row composes ToolRow, so it declares its locale namespace at the seat.
+    expect(registered).toEqual([{ name: 'conversation.chat.toolview', key: 'read', locale: 'conversation' }])
+    expect(readToolview.inject).toContain('conversation')
+  })
+})
+
+describe('DetailsPanel Output section (read)', () => {
+  function mount(snapshot: ConversationSnapshot, selection: SelectionTarget | null, cwd?: string) {
+    localStorage.clear()
+    const chat = createChatStore().create()
+    if (selection !== null) chat.actions.select(selection)
+    const sessions = createSnapshotStore<SessionListState>(cwd === undefined
+      ? { ids: [], byId: {}, current: undefined, phase: 'ready' }
+      : {
+        ids: [SID],
+        byId: { [SID]: { id: SID, displayTitle: 'r', running: false, blank: false, waitingApproval: false, updatedAt: 0, cwd } },
+        current: SID,
+        phase: 'ready',
+      })
+    const workspaces = createSnapshotStore<WorkspaceListState>({
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
+      baselinesReady: true, recentWorkspaceId: undefined,
+    })
+    return render(
+      <DetailsPanel
+        sessionId={SID}
+        t={t}
+        useSession={bindSnapshotSelector({ getSnapshot: () => snapshot, subscribe: () => () => {} })}
+        useSessions={bindSnapshotSelector(sessions)}
+        useWorkspaces={bindSnapshotSelector(workspaces)}
+        useInput={(() => { throw new Error('unused') })}
+        inputActions={{ setDraft: () => {}, submit: () => {} }}
+        useProjection={(() => undefined)}
+        useStore={bindSnapshotSelector(chat)}
+        actions={chat.actions}
+        closeDetails={vi.fn()}
+      />,
+    )
+  }
+
+  function snapshot(over: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
+    return {
+      sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
+      pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
+      openState: 'open', openError: null, hasMore: false, loadingOlder: false,
+      promptError: null, blank: false, lastAgentError: null, ...over,
+    }
+  }
+
+  const target: SelectionTarget = { turnSeq: 10, callId: 'c1', toolName: 'read' }
+
+  it('renders the read card at full height, keeping the JSON Input section', () => {
+    const long = Array.from({ length: 20 }, (_, i) => ({ number: i + 1, text: `row-${i}` }))
+    const view = mount(snapshot({
+      nodes: [settled({ resultView: resultRead({ lines: long, totalLines: 20 }) })],
+    }), target)
+    expect(view.getByText(/"file_path"/)).toBeTruthy()
+    expect(view.container.querySelector('[data-read]')).not.toBeNull()
+    // The panel takes the primitive's own default cap (16), not the row's.
+    expect(view.getByText(`… 其余 ${20 - 16} 行`)).toBeTruthy()
+    expect(contentTexts(view.container)).toContain('row-0')
+  })
+
+  it('a non-read result keeps the flattened pre form', () => {
+    const view = mount(snapshot({
+      nodes: [settled({
+        callView: null, resultView: null,
+        content: [{ type: 'text', text: 'plain result' }],
+      })],
+    }), target)
+    expect(view.container.querySelector('[data-read]')).toBeNull()
+    expect(view.getByText('输出').closest('section')?.querySelector('pre')?.textContent).toBe('plain result')
+  })
+
+  it('a running read keeps the 运行中… placeholder (no result view)', () => {
+    const view = mount(snapshot({ runningCalls: [running()] }), target)
+    expect(view.getByText('运行中…')).toBeTruthy()
+    expect(view.container.querySelector('[data-read]')).toBeNull()
+  })
+})
diff --git a/packages/client/ui-conversation/tests/search-card.spec.tsx b/packages/client/ui-conversation/tests/search-card.spec.tsx
new file mode 100644
index 0000000000..75114ae9a2
--- /dev/null
+++ b/packages/client/ui-conversation/tests/search-card.spec.tsx
@@ -0,0 +1,437 @@
+// @vitest-environment jsdom
+// The search render intent on the web side: the pure searchCardModel derivation
+// over resultView, and the conversation render sites that consume it — the chat
+// tool row (GenericToolCard's fallback body and SearchRow, both composing the
+// shared ToolRow with the search card collapsed by default) and the details
+// panel's Output section (resident, full height). The keyed registration under
+// both grep and glob is pinned here too.
+
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import { cleanup, fireEvent, render } from '@testing-library/react'
+import { bindSnapshotSelector } from '@deepseek-ai/dsh-client-web-react'
+import { createSnapshotStore } from '@deepseek-ai/dsh-client-runtime/client'
+import type {
+  ConversationSnapshot, RunningToolCall, SessionId, SessionListState, ToolResultNode, WorkspaceListState,
+} from '@deepseek-ai/dsh-client-runtime/client'
+import type { ToolResultView } from '@deepseek-ai/dsh-client-connection/client'
+import type { SelectionTarget } from '@deepseek-ai/dsh-client-ui-conversation/client'
+import { makeTranslate } from '@deepseek-ai/dsh-client-test-runtime'
+import { zh as commonZh } from '@deepseek-ai/dsh-client-locale/src/locales/zh.ts'
+import { CHAT_SEARCH_MAX_LINES, searchCardModel } from '../src/client/contract/search-card-model.ts'
+import { zh } from '../src/client/locales.ts'
+import { createChatStore } from '../src/client/stores.ts'
+import { GenericToolCard, type GenericToolCardProps } from '../src/client/chat/GenericToolCard.tsx'
+import { DetailsPanel } from '../src/client/skeleton/DetailsPanel.tsx'
+import { SearchRow, searchToolview } from '../src/client/toolviews/search-row.tsx'
+
+/** SearchRow now composes ToolRow, so its props include the locale `t` seat. */
+type SearchRowProps = Parameters<typeof SearchRow>[0]
+
+afterEach(cleanup)
+
+/** Conversation-locale translate stub for the render sites' `t` seat. */
+const t: GenericToolCardProps['t'] = makeTranslate(zh, commonZh)
+
+/** The rendered search card's kind attribute, so a render site cannot silently drop it. */
+function searchKindOf(container: HTMLElement): string | null {
+  return container.querySelector('[data-search]')?.getAttribute('data-search') ?? null
+}
+
+/** The rendered result rows of the search card, one string per visible row. */
+function searchRows(container: HTMLElement): string[] {
+  return [...container.querySelectorAll('[data-search] [class^="_line_"]')].map(row => row.textContent ?? '')
+}
+
+const SID = 's1' as SessionId
+
+const GREP_ARGS = '{"pattern":"foo","path":"src"}'
+const GLOB_ARGS = '{"pattern":"**/*.ts","path":"src"}'
+
+/** A grep result view: matches grouped by file. */
+const resultMatches = (over?: Partial<Extract<ToolResultView, { card: 'search'; shape: 'matches' }>>): ToolResultView => ({
+  card: 'search', shape: 'matches',
+  files: [
+    { path: 'a.ts', matches: [{ lineNumber: 12, line: 'const foo = 1' }, { lineNumber: 40, line: 'return foo' }] },
+    { path: 'b.ts', matches: [{ lineNumber: 7, line: 'foo()' }] },
+  ],
+  truncated: false, total: 3, ...over,
+})
+
+/** A glob result view: a flat path list. */
+const resultPaths = (over?: Partial<Extract<ToolResultView, { card: 'search'; shape: 'paths' }>>): ToolResultView => ({
+  card: 'search', shape: 'paths', paths: ['src/a.ts', 'src/b.ts'], truncated: false, total: 2, ...over,
+})
+
+const runningGrep = (over?: Partial<RunningToolCall>): RunningToolCall => ({
+  callId: 'c1', name: 'grep', argsRaw: GREP_ARGS,
+  turn: 1, step: 1, time: 1_000, callView: { card: 'generic', title: 'Grep foo', kind: 'search' }, ...over,
+})
+
+const settledGrep = (over?: Partial<ToolResultNode>): ToolResultNode => ({
+  kind: 'tool-result', seq: 10, time: 2_000, callId: 'c1',
+  call: { name: 'grep', argsRaw: GREP_ARGS },
+  callTime: 1_000,
+  content: [{ type: 'text', text: 'a.ts\n  Line 12: const foo = 1' }], isError: false,
+  callView: { card: 'generic', title: 'Grep foo', kind: 'search' }, resultView: resultMatches(), ...over,
+})
+
+const settledGlob = (over?: Partial<ToolResultNode>): ToolResultNode => ({
+  kind: 'tool-result', seq: 11, time: 2_000, callId: 'c2',
+  call: { name: 'glob', argsRaw: GLOB_ARGS },
+  callTime: 1_000,
+  content: [{ type: 'text', text: 'src/a.ts\nsrc/b.ts' }], isError: false,
+  callView: { card: 'generic', title: 'Glob **/*.ts', kind: 'search' }, resultView: resultPaths(), ...over,
+})
+
+describe('searchCardModel', () => {
+  it('derives a matches card from the grep result view', () => {
+    expect(searchCardModel(settledGrep())).toEqual({
+      title: undefined,
+      recovery: undefined,
+      card: {
+        kind: 'matches',
+        files: [
+          { path: 'a.ts', matches: [{ lineNumber: 12, line: 'const foo = 1' }, { lineNumber: 40, line: 'return foo' }] },
+          { path: 'b.ts', matches: [{ lineNumber: 7, line: 'foo()' }] },
+        ],
+        truncated: false, total: 3,
+      },
+    })
+  })
+
+  it('derives a paths card from the glob result view, carrying the truncation signal', () => {
+    // Empty block content isolates the truncation signal from the recovery arm.
+    expect(searchCardModel(settledGlob({ content: [], resultView: resultPaths({ truncated: true, total: 20 }) }))).toEqual({
+      title: undefined,
+      recovery: undefined,
+      card: { kind: 'paths', paths: ['src/a.ts', 'src/b.ts'], truncated: true, total: 20 },
+    })
+  })
+
+  it('carries the result view\'s replacement title when the presenter sets one', () => {
+    expect(searchCardModel(settledGrep({ resultView: resultMatches({ title: '3 matches' }) }))?.title).toBe('3 matches')
+    // Without one it is absent, so the row keeps its args-derived summary.
+    expect(searchCardModel(settledGrep())?.title).toBeUndefined()
+  })
+
+  it('returns null for every non-search call: running, no views, generic, terminal, unknown cards', () => {
+    // A search card is result-time only: a running call has no result view yet.
+    expect(searchCardModel(runningGrep())).toBeNull()
+    expect(searchCardModel(settledGrep({ callView: null, resultView: null }))).toBeNull()
+    // A generic result settles a search call as a generic card (grep/glob failure
+    // or a nested run_code dispatch), which keeps the generic path.
+    expect(searchCardModel(settledGrep({ resultView: { card: 'generic' } }))).toBeNull()
+    // A terminal result view is a different card entirely.
+    expect(searchCardModel(settledGrep({ resultView: { card: 'terminal', output: 'x' } }))).toBeNull()
+    // A card tag this UI version does not know arrives over the wire; the
+    // documented generic-card default takes it, not a crash.
+    const future = { card: 'chart' } as unknown as ToolResultView
+    expect(searchCardModel(settledGrep({ resultView: future }))).toBeNull()
+  })
+
+  it('returns null for a card:search view whose shape this version does not compile', () => {
+    // `shape` rides the same untrusted wire frame as `card`; a subtype this client
+    // does not know must fall to the generic path, never render as a paths card
+    // that would crash SearchBlock on an absent `paths`.
+    const futureShape = {
+      card: 'search', shape: 'future', truncated: false, total: 0,
+    } as unknown as ToolResultView
+    expect(searchCardModel(settledGrep({ resultView: futureShape }))).toBeNull()
+  })
+
+  it('returns null for a known shape whose structured shape is missing or malformed', () => {
+    // The host wire schema checks the `card`/`shape` strings but not the grouped
+    // shape, so a version mismatch could deliver shape:'matches' with no `files`
+    // (or shape:'paths' with no `paths`). Rendering that crashes SearchBlock at
+    // `.reduce`/`.map`; the derivation drops to the generic path instead.
+    const noFiles = { card: 'search', shape: 'matches', truncated: false, total: 0 } as unknown as ToolResultView
+    expect(searchCardModel(settledGrep({ resultView: noFiles }))).toBeNull()
+    const badFile = {
+      card: 'search', shape: 'matches', truncated: false, total: 1,
+      files: [{ path: 'a.ts', matches: [{ lineNumber: 'x', line: 1 }] }],
+    } as unknown as ToolResultView
+    expect(searchCardModel(settledGrep({ resultView: badFile }))).toBeNull()
+    const noPaths = { card: 'search', shape: 'paths', truncated: false, total: 0 } as unknown as ToolResultView
+    expect(searchCardModel(settledGlob({ resultView: noPaths }))).toBeNull()
+    const badPaths = {
+      card: 'search', shape: 'paths', truncated: false, total: 1, paths: [42],
+    } as unknown as ToolResultView
+    expect(searchCardModel(settledGlob({ resultView: badPaths }))).toBeNull()
+  })
+
+  it('surfaces the recovery text only when the result was capped', () => {
+    const recovery = 'a.ts\n  12: const foo = 1\n\n(Full grep result stored at: spill://grep-1. Read it to see every match.)'
+    // The recovery locator lives in the raw tool/result content (the view carries
+    // no text), surfaced only when the card capped the result.
+    const capped = searchCardModel(settledGrep({
+      content: [{ type: 'text', text: recovery }],
+      resultView: resultMatches({ truncated: true, total: 42 }),
+    }))
+    expect(capped?.recovery).toBe(recovery)
+    // Not capped: the card holds every match, so the raw content adds nothing and
+    // is dropped.
+    const whole = searchCardModel(settledGrep({
+      content: [{ type: 'text', text: recovery }],
+      resultView: resultMatches({ truncated: false }),
+    }))
+    expect(whole?.recovery).toBeUndefined()
+    // Capped but the block carries no text: nothing to surface.
+    const noText = searchCardModel(settledGrep({ content: [], resultView: resultMatches({ truncated: true, total: 42 }) }))
+    expect(noText?.recovery).toBeUndefined()
+  })
+})
+
+describe('chat row search body (GenericToolCard fallback)', () => {
+  const ownerProps = (block: RunningToolCall | ToolResultNode, toolName: string): GenericToolCardProps => ({
+    callId: 'c1', toolName, block, openFile: vi.fn(), t,
+  })
+  /** The whole summary row is the expand toggle (ToolRow's unified interaction). */
+  const toggleRow = (view: { container: HTMLElement }) => {
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
+  }
+
+  it('the expanded body is the grouped matches, capped tighter than the panel', () => {
+    expect(CHAT_SEARCH_MAX_LINES).toBeLessThan(16)
+    const view = render(<GenericToolCard {...ownerProps(settledGrep(), 'grep')} />)
+    // Collapsed: the one-line summary row only, no card.
+    expect(view.queryByText(/const foo = 1/)).toBeNull()
+    toggleRow(view)
+    expect(searchRows(view.container)).toContain('12: const foo = 1')
+    expect(view.getByText('a.ts')).toBeTruthy()
+    expect(searchKindOf(view.container)).toBe('matches')
+    // The args JSON body the generic path would have shown is gone.
+    expect(view.queryByText(/"pattern"/)).toBeNull()
+  })
+
+  it('the glob fallback expands to the flat path card', () => {
+    const view = render(<GenericToolCard {...ownerProps(settledGlob(), 'glob')} />)
+    toggleRow(view)
+    expect(view.getByText('src/a.ts')).toBeTruthy()
+    expect(searchKindOf(view.container)).toBe('paths')
+  })
+
+  it('a non-search result keeps the args-JSON text body', () => {
+    const view = render(<GenericToolCard {...ownerProps(settledGrep({
+      resultView: { card: 'generic' },
+    }), 'grep')} />)
+    toggleRow(view)
+    expect(view.getByText(/"pattern"/)).toBeTruthy()
+    expect(searchKindOf(view.container)).toBeNull()
+  })
+
+  it('the expanded body shows the recovery footer below a capped card', () => {
+    const recovery = 'a.ts\n  12: const foo = 1\n\n(Full grep result stored at: spill://grep-1. Read it to see every match.)'
+    const view = render(<GenericToolCard {...ownerProps(settledGrep({
+      content: [{ type: 'text', text: recovery }],
+      resultView: resultMatches({ truncated: true, total: 42 }),
+    }), 'grep')} />)
+    toggleRow(view)
+    expect(searchKindOf(view.container)).toBe('matches')
+    expect(view.getByText(/Full grep result stored at: spill:\/\/grep-1/)).toBeTruthy()
+  })
+})
+
+describe('SearchRow keyed card', () => {
+  const rowProps = (block: RunningToolCall | ToolResultNode, toolName: string): SearchRowProps => ({
+    callId: 'c1', toolName, block, openFile: vi.fn(), sessionId: SID, t,
+  } as unknown as SearchRowProps)
+
+  /** The whole summary row is the expand toggle (ToolRow's unified interaction). */
+  const toggleRow = (view: { container: HTMLElement }) => {
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
+  }
+
+  it('collapses to the summary row; expanding reveals the grep card', () => {
+    const view = render(<SearchRow {...rowProps(settledGrep(), 'grep')} />)
+    expect(view.getByText('Search')).toBeTruthy()
+    // Collapsed: the card is not in the DOM until the row is expanded.
+    expect(searchKindOf(view.container)).toBeNull()
+    expect(view.queryByText(/const foo = 1/)).toBeNull()
+    toggleRow(view)
+    expect(searchRows(view.container)).toContain('12: const foo = 1')
+    expect(searchKindOf(view.container)).toBe('matches')
+    // The card's copy control lives inside the expanded body.
+    expect(view.getByText('复制')).toBeTruthy()
+  })
+
+  it('expands to the glob path card', () => {
+    const view = render(<SearchRow {...rowProps(settledGlob(), 'glob')} />)
+    expect(searchKindOf(view.container)).toBeNull()
+    toggleRow(view)
+    expect(view.getByText('src/a.ts')).toBeTruthy()
+    expect(searchKindOf(view.container)).toBe('paths')
+  })
+
+  it('agrees with the summary row about the run state', () => {
+    const runningView = render(<SearchRow {...rowProps(runningGrep(), 'grep')} />)
+    expect(runningView.container.querySelector('[data-variant="search"]')?.getAttribute('data-state')).toBe('running')
+    // No result view yet, so no card even once material could expand.
+    expect(searchKindOf(runningView.container)).toBeNull()
+    cleanup()
+    const errorView = render(<SearchRow {...rowProps(settledGrep({
+      isError: true, resultView: { card: 'generic' },
+    }), 'grep')} />)
+    expect(errorView.container.querySelector('[data-variant="search"]')?.getAttribute('data-state')).toBe('error')
+  })
+
+  it('surfaces the result text through the Output section when an errored search has no card', () => {
+    // grep/glob return no presentResult on error → no card; the row shows the
+    // first error line as the collapsed summary and the full text once expanded.
+    const view = render(<SearchRow {...rowProps(settledGrep({
+      isError: true, resultView: null,
+      content: [{ type: 'text', text: 'grep: invalid regular expression' }],
+    }), 'grep')} />)
+    expect(searchKindOf(view.container)).toBeNull()
+    // Error state: the first line is the collapsed summary.
+    expect(view.getByText('grep: invalid regular expression')).toBeTruthy()
+    toggleRow(view)
+    // Now in ToolRow's Output section too (the kept summary makes it appear twice).
+    expect(view.container.querySelector('[data-error]')?.textContent).toBe('grep: invalid regular expression')
+  })
+
+  it('surfaces the result text for a settled non-error call with no card once expanded', () => {
+    // A successful nested run_code sub-dispatch (backend computes no
+    // presentationMeta, so resultView is null) or a legacy generic result settles
+    // with search === null and state ok. The keyed SearchRow owns the slot, so
+    // ToolRow's Output section carries the text; it is only visible expanded.
+    const view = render(<SearchRow {...rowProps(settledGrep({
+      isError: false, resultView: null,
+      content: [{ type: 'text', text: 'nested run_code output line' }],
+    }), 'grep')} />)
+    expect(view.container.querySelector('[data-variant="search"]')?.getAttribute('data-state')).toBe('ok')
+    expect(searchKindOf(view.container)).toBeNull()
+    // Collapsed: the ok row shows its args summary, not the output text.
+    expect(view.queryByText('nested run_code output line')).toBeNull()
+    toggleRow(view)
+    expect(view.getByText('nested run_code output line')).toBeTruthy()
+  })
+
+  it('renders the recovery footer below the card when the search was capped', () => {
+    const recovery = 'a.ts\n  12: const foo = 1\n\n(Full grep result stored at: spill://grep-1. Read it to see every match.)'
+    const view = render(<SearchRow {...rowProps(settledGrep({
+      content: [{ type: 'text', text: recovery }],
+      resultView: resultMatches({ truncated: true, total: 42 }),
+    }), 'grep')} />)
+    toggleRow(view)
+    expect(searchKindOf(view.container)).toBe('matches')
+    expect(view.getByText(/Full grep result stored at: spill:\/\/grep-1/)).toBeTruthy()
+  })
+
+  it('shows no recovery footer for an uncapped search', () => {
+    const view = render(<SearchRow {...rowProps(settledGrep(), 'grep')} />)
+    toggleRow(view)
+    expect(searchKindOf(view.container)).toBe('matches')
+    expect(view.container.textContent).not.toMatch(/stored at/)
+  })
+
+  it('falls back to the error name/code when an errored result has no text block', () => {
+    const view = render(<SearchRow {...rowProps(settledGrep({
+      isError: true, resultView: null, content: [],
+      error: { name: 'ToolError', code: 'timeout' },
+    }), 'grep')} />)
+    // Error state: the derived name/code line is the collapsed summary.
+    expect(view.getByText('ToolError: timeout')).toBeTruthy()
+  })
+
+  it('shows the result view\'s replacement title instead of the args summary', () => {
+    const view = render(<SearchRow {...rowProps(settledGrep({
+      resultView: resultMatches({ title: '3 matches in 2 files' }),
+    }), 'grep')} />)
+    expect(view.getByText('3 matches in 2 files')).toBeTruthy()
+  })
+
+  it('keeps the args-derived summary when the result view has no title', () => {
+    const view = render(<SearchRow {...rowProps(settledGrep(), 'grep')} />)
+    expect(view.getByText('foo')).toBeTruthy()
+  })
+
+  it('registers the one row component under both grep and glob keys', () => {
+    const registered: { key: unknown; locale: unknown; component: unknown }[] = []
+    const ctx = {
+      slots: {
+        register: (options: { name: string; key: string; locale?: string }, component: unknown) => {
+          registered.push({ key: options.key, locale: options.locale, component })
+        },
+      },
+    } as never
+    searchToolview.apply(ctx)
+    expect(registered.map(r => r.key)).toEqual(['grep', 'glob'])
+    // Both keys claim the conversation locale seat ToolRow's body copy needs.
+    expect(registered.map(r => r.locale)).toEqual(['conversation', 'conversation'])
+    // One component, two keys.
+    expect(registered[0]!.component).toBe(SearchRow)
+    expect(registered[1]!.component).toBe(SearchRow)
+    expect(searchToolview.inject).toEqual(['slots', 'conversation'])
+  })
+})
+
+describe('DetailsPanel Output section (search)', () => {
+  function mount(snapshot: ConversationSnapshot, selection: SelectionTarget | null) {
+    localStorage.clear()
+    const chat = createChatStore().create()
+    if (selection !== null) chat.actions.select(selection)
+    const sessions = createSnapshotStore<SessionListState>({ ids: [], byId: {}, current: undefined, phase: 'ready' })
+    const workspaces = createSnapshotStore<WorkspaceListState>({
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
+      baselinesReady: true, recentWorkspaceId: undefined,
+    })
+    return render(
+      <DetailsPanel
+        sessionId={SID}
+        useSession={bindSnapshotSelector({ getSnapshot: () => snapshot, subscribe: () => () => {} })}
+        useSessions={bindSnapshotSelector(sessions)}
+        useWorkspaces={bindSnapshotSelector(workspaces)}
+        useInput={(() => { throw new Error('unused') })}
+        inputActions={{ setDraft: () => {}, submit: () => {} }}
+        useProjection={(() => undefined)}
+        useStore={bindSnapshotSelector(chat)}
+        actions={chat.actions}
+        closeDetails={vi.fn()}
+        t={t}
+      />,
+    )
+  }
+
+  function snapshot(over: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
+    return {
+      sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
+      pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
+      openState: 'open', openError: null, hasMore: false, loadingOlder: false,
+      promptError: null, blank: false, lastAgentError: null, ...over,
+    }
+  }
+
+  const grepTarget: SelectionTarget = { turnSeq: 10, callId: 'c1', toolName: 'grep' }
+  const globTarget: SelectionTarget = { turnSeq: 11, callId: 'c2', toolName: 'glob' }
+
+  it('renders the grep matches card at full height, keeping the JSON Input section', () => {
+    const view = mount(snapshot({ nodes: [settledGrep()] }), grepTarget)
+    expect(view.getByText(/"pattern"/)).toBeTruthy()
+    expect(searchRows(view.container)).toContain('12: const foo = 1')
+    expect(searchKindOf(view.container)).toBe('matches')
+  })
+
+  it('renders the glob path card', () => {
+    const view = mount(snapshot({ nodes: [settledGlob()] }), globTarget)
+    expect(view.getByText('src/a.ts')).toBeTruthy()
+    expect(searchKindOf(view.container)).toBe('paths')
+  })
+
+  it('renders the recovery footer below the card for a capped search', () => {
+    const recovery = 'src/a.ts\nsrc/b.ts\n\n(Showing 2 of 23 paths. Full sorted result stored at: spill://glob-7.)'
+    const view = mount(snapshot({
+      nodes: [settledGlob({ content: [{ type: 'text', text: recovery }], resultView: resultPaths({ truncated: true, total: 23 }) })],
+    }), globTarget)
+    expect(searchKindOf(view.container)).toBe('paths')
+    expect(view.getByText(/Full sorted result stored at: spill:\/\/glob-7/)).toBeTruthy()
+  })
+
+  it('a non-search result keeps the flattened pre form', () => {
+    const view = mount(snapshot({
+      nodes: [settledGrep({ callView: null, resultView: null })],
+    }), grepTarget)
+    expect(searchKindOf(view.container)).toBeNull()
+    const output = view.getByText('输出').closest('section')
+    expect(output?.querySelector('pre')?.textContent).toContain('const foo = 1')
+  })
+})
diff --git a/packages/client/ui-conversation/tests/selection-survival.spec.tsx b/packages/client/ui-conversation/tests/selection-survival.spec.tsx
index 70162105a9..4559618a8a 100644
--- a/packages/client/ui-conversation/tests/selection-survival.spec.tsx
+++ b/packages/client/ui-conversation/tests/selection-survival.spec.tsx
@@ -103,7 +103,7 @@ describe('selection survives on the store seat', () => {
     // ...and a re-created same-id session starts from a FRESH instance.
     const reborn = storeFor(b, 'conversation.session', sid('s1'))
     expect(reborn).not.toBe(doomed)
-    expect(reborn.store.getSnapshot()).toEqual({ selection: null, draft: '', view: null })
+    expect(reborn.store.getSnapshot()).toEqual({ selection: null, draft: '', view: null, inspect: null })
     await b.runtime.dispose()
   })
 })
diff --git a/packages/client/ui-conversation/tests/service-orchestration.spec.ts b/packages/client/ui-conversation/tests/service-orchestration.spec.ts
index 209cdee212..41a21b86e3 100644
--- a/packages/client/ui-conversation/tests/service-orchestration.spec.ts
+++ b/packages/client/ui-conversation/tests/service-orchestration.spec.ts
@@ -33,11 +33,11 @@ async function bench() {
 describe('ConversationService', () => {
   it('routes operations through the public Session binding', async () => {
     const b = await bench()
-    await b.scoped.send('hello', 'steer')
+    await b.scoped.send('hello')
     await b.scoped.updateQueue('item-1' as never, { kind: 'remove' })
     await b.scoped.cancel()
     await b.scoped.loadOlder()
-    expect(b.prompt).toHaveBeenCalledWith([{ type: 'text', text: 'hello' }], 'steer')
+    expect(b.prompt).toHaveBeenCalledWith([{ type: 'text', text: 'hello' }], 'queue')
     expect(b.updateQueue).toHaveBeenCalledWith('item-1', { kind: 'remove' })
     expect(b.cancel).toHaveBeenCalledOnce()
     expect(b.loadOlder).toHaveBeenCalledOnce()
@@ -47,7 +47,7 @@ describe('ConversationService', () => {
   it('folds Session business failures into callback rejections', async () => {
     const b = await bench()
     b.prompt.mockResolvedValueOnce({ ok: false, error: { code: 'agent-busy', message: 'busy', details: {} } } as never)
-    await expect(b.scoped.send('x', 'queue')).rejects.toThrow('conversation.send failed: agent-busy: busy')
+    await expect(b.scoped.send('x')).rejects.toThrow('conversation.send failed: agent-busy: busy')
     b.cancel.mockResolvedValueOnce({ ok: false, error: { code: 'internal', message: 'nope', details: {} } } as never)
     await expect(b.scoped.cancel()).rejects.toThrow('conversation.cancel failed: internal: nope')
     await b.runtime.dispose()
@@ -55,9 +55,9 @@ describe('ConversationService', () => {
 
   it('fails loudly from the root scope, on an unbound session, or without SessionsService', async () => {
     const b = await bench()
-    await expect(b.root.send('x', 'queue')).rejects.toThrow(/requires a session scope/)
+    await expect(b.root.send('x')).rejects.toThrow(/requires a session scope/)
     await b.runtime.sessions.remove('s1')
-    await expect(b.scoped.send('x', 'queue')).rejects.toThrow(/resolved no binding/)
+    await expect(b.scoped.send('x')).rejects.toThrow(/resolved no binding/)
     await b.runtime.dispose()
     // No SessionsService at all: a bare context (the runtime always provides one).
     const bare = new Context()
@@ -65,6 +65,6 @@ describe('ConversationService', () => {
       input: new InputHub(bare),
     }).await()
     const orphan = bare.get('conversation') as ConversationService
-    await expect(orphan.send('x', 'queue')).rejects.toThrow(/sessions service unavailable/)
+    await expect(orphan.send('x')).rejects.toThrow(/sessions service unavailable/)
   })
 })
diff --git a/packages/client/ui-conversation/tests/skeleton.spec.tsx b/packages/client/ui-conversation/tests/skeleton.spec.tsx
index a257688bd3..35afd759f1 100644
--- a/packages/client/ui-conversation/tests/skeleton.spec.tsx
+++ b/packages/client/ui-conversation/tests/skeleton.spec.tsx
@@ -62,13 +62,13 @@ function workspace(id = 'w1'): WorkspaceView {
 }
 
 const workspaceState = (items: readonly WorkspaceView[]): WorkspaceListState => ({
-  items, state: 'idle', phase: 'ready', error: null,
+  items, archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
   baselinesReady: true, recentWorkspaceId: undefined,
 })
 
 function conversationSnapshot(overrides: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
   return {
-    sessionId: SID, nodes: [], foldDegraded: false, partial: null, runningCalls: [], codeDispatches: new Map(),
+    sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
     pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
     openState: 'open', openError: null, hasMore: false, loadingOlder: false,
     promptError: null, blank: false, lastAgentError: null,
@@ -80,16 +80,25 @@ function mount(
   snapshot: ConversationSnapshot,
   workspaceRows: WorkspaceView[] = [{ ...workspace('one'), sessionIds: [SID] }],
   retargetWorkspace = vi.fn(async (_workspaceId: WorkspaceId) => {}),
-  /** When true, mimic overlay:true chain siblings (hidden fallback + takeover). */
-  overlayTakeover = false,
+  options: {
+    /** When true, mimic overlay:true chain siblings (hidden fallback + takeover). */
+    overlayTakeover?: boolean
+    /** The session list summary's `blank` flag — independent of the snapshot's. */
+    summaryBlank?: boolean
+    /** Drop the session's summary row entirely (a session the list has not caught up with). */
+    omitSummaryRow?: boolean
+  } = {},
 ) {
   const root = sid('root')
+  const rootRow = { id: root, displayTitle: 'Root', running: false, waitingApproval: false, blank: false, updatedAt: 1 }
+  const childRow = {
+    id: SID, displayTitle: 'Child', parentId: root, cwd: '/projects/one',
+    running: false, waitingApproval: false, blank: options.summaryBlank ?? false, updatedAt: 2,
+  }
+  const listed = options.omitSummaryRow !== true
   const sessions = createSnapshotStore<SessionListState>({
-    ids: [root, SID],
-    byId: {
-      [root]: { id: root, displayTitle: 'Root', running: false, waitingApproval: false, blank: false, updatedAt: 1 },
-      [SID]: { id: SID, displayTitle: 'Child', parentId: root, cwd: '/projects/one', running: false, waitingApproval: false, blank: false, updatedAt: 2 },
-    },
+    ids: listed ? [root, SID] : [root],
+    byId: { [root]: rootRow, ...listed && { [SID]: childRow } },
     current: SID,
     phase: 'ready',
   })
@@ -102,7 +111,6 @@ function mount(
   const useInput = bindSnapshotSelector(wiring.state)
   const inputActions = wiring.actions
   const stop = vi.fn()
-  const open = vi.fn()
   const slotCalls: string[] = []
   let pickerOwner: unknown
   const renderSlot = ((key: string, owner: object, opts?: { only?: string }) => {
@@ -131,8 +139,6 @@ function mount(
             version: () => 1,
           }}
           bindDraftMirror={write => wiring.bindMirror(write)}
-          open={open}
-          t={t}
           {...owner}
         />
       )
@@ -152,8 +158,10 @@ function mount(
           useInput={useInput}
           inputActions={inputActions}
           keyboard={wiring}
+          toggleCommandMenu={vi.fn()}
           useNotices={bindSnapshotSelector(wiring.notices)}
           useLexicon={bindSnapshotSelector(wiring.lexicon)}
+          useMenuLauncher={bindSnapshotSelector(createSnapshotStore<string | null>(null))}
           stop={stop}
           command={() => Promise.resolve(true)}
           t={t}
@@ -165,7 +173,7 @@ function mount(
     return <div data-testid={`view-${opts?.only ?? key}`} />
   }) as ConversationRootProps['renderSlot']
   const renderSlotChain = ((_key, _owner, opts) => (
-    overlayTakeover
+    options.overlayTakeover === true
       ? (
         <>
           <div data-chain-overlay-fallback="conversation.composer" style={{ display: 'none' }}>
@@ -192,7 +200,7 @@ function mount(
   }
   const view = render(<ConversationRoot {...props} />)
   return {
-    view, chat, sink, open, retargetWorkspace, session, slotCalls,
+    view, chat, sink, retargetWorkspace, session, slotCalls,
     pickerOwner: () => pickerOwner,
     rerender: () => { view.rerender(<ConversationRoot {...props} />) },
   }
@@ -206,9 +214,9 @@ describe('ConversationRoot resident composer', () => {
     fireEvent.change(box, { target: { value: 'ordinary revised' } })
     expect(b.chat.store.getSnapshot().draft).toBe('ordinary revised')
     fireEvent.keyDown(box, { key: 'Enter' })
-    expect(b.sink).toHaveBeenCalledWith('ordinary revised', 'queue')
-    fireEvent.click(b.view.getByRole('button', { name: 'Root' }))
-    expect(b.open).toHaveBeenCalledWith(sid('root'))
+    expect(b.sink).toHaveBeenCalledWith('ordinary revised')
+    expect(b.view.getByRole('heading', { name: 'Child', level: 1 })).toBeTruthy()
+    expect(b.view.queryByText('Root')).toBeNull()
   })
 
   it('active phase: fixed header outside the scrollport; sticky composer seat inside it', () => {
@@ -227,7 +235,7 @@ describe('ConversationRoot resident composer', () => {
   })
 
   it('sticky composer seat wraps the whole overlay chain, not only the fallback stack', () => {
-    const b = mount(conversationSnapshot(), undefined, undefined, true)
+    const b = mount(conversationSnapshot(), undefined, undefined, { overlayTakeover: true })
     const seat = b.view.container.querySelector('[data-composer-seat]')
     const takeover = b.view.getByTestId('composer-takeover')
     const fallback = b.view.container.querySelector('[data-chain-overlay-fallback="conversation.composer"]')
@@ -268,6 +276,39 @@ describe('ConversationRoot resident composer', () => {
     expect(b.view.getByText('Selected Folder')).toBeTruthy()
   })
 
+  it('settling phase: a summary that does not prove the session blank hides the composer while it opens', () => {
+    const b = mount(conversationSnapshot({ composerPhase: 'blank', blank: true, openState: 'loading' }))
+    const root = b.view.container.querySelector('[data-phase]')
+    expect(root?.getAttribute('data-phase')).toBe('settling')
+    expect(b.view.queryByText('开始构建吧')).toBeNull()
+  })
+
+  it('settling phase: a session the list has no row for settles conservatively', () => {
+    const b = mount(
+      conversationSnapshot({ composerPhase: 'blank', blank: true, openState: 'loading' }),
+      undefined,
+      undefined,
+      { omitSummaryRow: true },
+    )
+    const root = b.view.container.querySelector('[data-phase]')
+    expect(root?.getAttribute('data-phase')).toBe('settling')
+  })
+
+  it('startup auto-selection: a summary-proven blank session opens straight into the hero', () => {
+    const b = mount(
+      conversationSnapshot({ composerPhase: 'blank', blank: true, openState: 'loading' }),
+      undefined,
+      undefined,
+      { summaryBlank: true },
+    )
+    // The summary already proves the outcome, so the settling hide would only
+    // blank the column for the history round-trip.
+    const root = b.view.container.querySelector('[data-phase]')
+    expect(root?.getAttribute('data-phase')).toBe('hero')
+    expect(b.view.getByText('开始构建吧')).toBeTruthy()
+    expect(b.view.getByRole('textbox')).toBeTruthy()
+  })
+
   it('same textarea DOM node survives the hero → active flip into the sticky scrollport', () => {
     const b = mount(conversationSnapshot({ composerPhase: 'blank', blank: true }))
     const before = b.view.getByRole('textbox')
diff --git a/packages/client/ui-conversation/tests/terminal-card.spec.tsx b/packages/client/ui-conversation/tests/terminal-card.spec.tsx
index fdd64db650..a8473e7762 100644
--- a/packages/client/ui-conversation/tests/terminal-card.spec.tsx
+++ b/packages/client/ui-conversation/tests/terminal-card.spec.tsx
@@ -15,7 +15,7 @@ import type { ToolCallView, ToolResultView } from '@deepseek-ai/dsh-client-conne
 import type { SelectionTarget } from '@deepseek-ai/dsh-client-ui-conversation/client'
 import { makeTranslate } from '@deepseek-ai/dsh-client-test-runtime'
 import { zh as commonZh } from '@deepseek-ai/dsh-client-locale/src/locales/zh.ts'
-import { CHAT_TERMINAL_MAX_LINES, terminalCardModel } from '../src/client/contract/terminal-card-model.ts'
+import { terminalCardModel, terminalFailed } from '../src/client/contract/terminal-card-model.ts'
 import { createChatStore } from '../src/client/stores.ts'
 import { GenericToolCard, type GenericToolCardProps } from '../src/client/chat/GenericToolCard.tsx'
 import { DetailsPanel } from '../src/client/skeleton/DetailsPanel.tsx'
@@ -95,6 +95,19 @@ describe('terminalCardModel', () => {
     }))?.card.signal).toBe('SIGTERM')
   })
 
+  it('flags a failing exit as terminalFailed; clean exits and running cards are not', () => {
+    // isError stays false on a failing command (the exit status is result
+    // data), so this predicate is the row's only failure signal.
+    expect(terminalFailed(terminalCardModel(settled({
+      resultView: resultTerminal({ exitCode: 2 }),
+    }))!)).toBe(true)
+    expect(terminalFailed(terminalCardModel(settled({
+      resultView: { card: 'terminal', output: '', signal: 'SIGTERM' },
+    }))!)).toBe(true)
+    expect(terminalFailed(terminalCardModel(settled())!)).toBe(false)
+    expect(terminalFailed(terminalCardModel(running())!)).toBe(false)
+  })
+
   it('takes the result view\'s replacement title over the pending one', () => {
     // The presentation contract defines a result title as REPLACING the pending
     // title, so a tool that rewrites it at settle time must win here.
@@ -229,36 +242,39 @@ describe('chat row terminal body', () => {
     callId: 'c1', toolName: 'bash', block, openFile: vi.fn(), t,
   })
 
-  it('the expanded body is the command output, capped tighter than the panel', () => {
-    expect(CHAT_TERMINAL_MAX_LINES).toBeLessThan(16)
+  /** The whole summary row is the expand toggle (ToolRow's unified interaction). */
+  const toggleRow = (view: { container: HTMLElement }) => {
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
+  }
+
+  it('the expanded body is the command output inside the row scroll container', () => {
     const view = render(<GenericToolCard {...ownerProps(settled())} />)
     // Collapsed: the one-line summary row only, no output.
     expect(view.getByText('List files')).toBeTruthy()
     expect(view.queryByText(/a\.ts/)).toBeNull()
-    fireEvent.click(view.container.querySelector('button')!)
+    toggleRow(view)
     expect(view.getByText('a.ts  b.ts', RAW)).toBeTruthy()
     expect(view.getByText('ls -la')).toBeTruthy()
     // The args JSON body the generic path would have shown is gone.
     expect(view.queryByText(/"command"/)).toBeNull()
   })
 
-  it('the cap collapses a long output inside the row, expandable in place', () => {
-    const lines = Array.from({ length: CHAT_TERMINAL_MAX_LINES + 3 }, (_, i) => `line-${i}`)
+  it('a long output renders in full — the scroll container replaces the middle collapse', () => {
+    const lines = Array.from({ length: 20 }, (_, i) => `line-${i}`)
     const view = render(<GenericToolCard {...ownerProps(settled({
       resultView: resultTerminal({ output: `${lines.join('\n')}\n` }),
     }))} />)
-    fireEvent.click(view.container.querySelector('button')!)
-    expect(view.getByText('… 其余 3 行')).toBeTruthy()
-    expect(view.queryByText('line-5')).toBeNull()
-    fireEvent.click(view.getByRole('button', { name: '展开其余 3 行输出' }))
+    toggleRow(view)
     expect(view.getByText('line-5')).toBeTruthy()
+    expect(view.getByText('line-19')).toBeTruthy()
+    expect(view.queryByText(/其余/)).toBeNull()
   })
 
   it('renders a multi-line command as one prompt row per line', () => {
     const view = render(<GenericToolCard {...ownerProps(settled({
       callView: callTerminal({ title: 'ls -la\necho done' }),
     }))} />)
-    fireEvent.click(view.container.querySelector('button')!)
+    toggleRow(view)
     const rows = view.container.querySelectorAll('[class^="_promptLine_"]')
     expect([...rows].map(row => row.textContent)).toEqual(['$ls -la', '$echo done'])
     // Still one dot for the call, on the first row.
@@ -283,14 +299,14 @@ describe('chat row terminal body', () => {
       callView: callTerminal({ description: 'Terminal 3' }),
     }))} />)
     expect(view.getByText('Terminal 3')).toBeTruthy()
-    fireEvent.click(view.container.querySelector('button')!)
+    toggleRow(view)
     expect(view.container.querySelector('[data-terminal]')).not.toBeNull()
     expect(view.getByText('Terminal 3')).toBeTruthy()
   })
 
   it('a running terminal call expands to the prompt line with no output yet', () => {
     const view = render(<GenericToolCard {...ownerProps(running())} />)
-    fireEvent.click(view.container.querySelector('button')!)
+    toggleRow(view)
     expect(view.getByText('ls -la')).toBeTruthy()
     expect(view.queryByText('复制')).toBeNull()
     // The card states its own run state: a running command reads as running
@@ -302,7 +318,7 @@ describe('chat row terminal body', () => {
     const view = render(<GenericToolCard {...ownerProps(settled({
       callView: null, resultView: null,
     }))} />)
-    fireEvent.click(view.container.querySelector('button')!)
+    toggleRow(view)
     expect(view.getByText(/"command"/)).toBeTruthy()
   })
 
@@ -311,9 +327,16 @@ describe('chat row terminal body', () => {
     const view = render(<GenericToolCard {...ownerProps(settled({
       call: { name: 'bash', argsRaw: '' },
     }))} />)
-    fireEvent.click(view.container.querySelector('button')!)
+    toggleRow(view)
     expect(view.getByText('a.ts  b.ts', RAW)).toBeTruthy()
   })
+
+  it('a failing exit status surfaces as the collapsed row\'s error state', () => {
+    const view = render(<GenericToolCard {...ownerProps(settled({
+      resultView: resultTerminal({ exitCode: 2 }),
+    }))} />)
+    expect(view.container.querySelector('[data-state]')?.getAttribute('data-state')).toBe('error')
+  })
 })
 
 describe('BashRow terminal card', () => {
@@ -330,14 +353,17 @@ describe('BashRow terminal card', () => {
     t,
   } as unknown as BashRowProps)
 
-  it('renders the command output under the summary row, without an expand gesture', () => {
+  it('collapses to the summary row; the whole row toggles the command output', () => {
     const view = render(<BashRow {...rowProps(settled())} />)
     expect(view.getByText('List files')).toBeTruthy()
+    expect(view.queryByText(/a\.ts/)).toBeNull()
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
     expect(view.getByText('a.ts  b.ts', RAW)).toBeTruthy()
-    // The card's controls are the row's only interactions: a bash row is not a
-    // path link and no longer a details-panel target, so nothing here navigates.
-    expect(view.container.querySelector('[data-clickable]')).toBeNull()
     expect(view.getByText('复制')).toBeTruthy()
+    // Collapse back in place: the summary row returns, the card unmounts.
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
+    expect(view.queryByText(/a\.ts/)).toBeNull()
+    expect(view.getByText('List files')).toBeTruthy()
   })
 
   // The row's leading StateDot and the card's run-state dot describe the same
@@ -346,13 +372,22 @@ describe('BashRow terminal card', () => {
   it('agrees with the summary row about the run state', () => {
     const runningView = render(<BashRow {...rowProps(running())} />)
     expect(runningView.container.querySelector('[data-variant="bash"]')?.getAttribute('data-state')).toBe('running')
+    fireEvent.click(runningView.container.querySelector('[data-expandable]')!)
     expect(runStateOf(runningView.container)).toBe('ongoing')
     cleanup()
     const settledView = render(<BashRow {...rowProps(settled())} />)
     expect(settledView.container.querySelector('[data-variant="bash"]')?.getAttribute('data-state')).toBe('ok')
+    fireEvent.click(settledView.container.querySelector('[data-expandable]')!)
     expect(runStateOf(settledView.container)).toBe('done')
   })
 
+  it('a failing exit status surfaces as the collapsed row\'s error state', () => {
+    const view = render(<BashRow {...rowProps(settled({
+      resultView: resultTerminal({ exitCode: 2 }),
+    }))} />)
+    expect(view.container.querySelector('[data-variant="bash"]')?.getAttribute('data-state')).toBe('error')
+  })
+
   it('shows the terminal presenter\'s description instead of the args summary', () => {
     // `terminal_send`-style presenters author a description the args do not
     // repeat; the contract puts it above the card, which is this row's summary.
@@ -394,7 +429,7 @@ describe('DetailsPanel Output section', () => {
         phase: 'ready',
       })
     const workspaces = createSnapshotStore<WorkspaceListState>({
-      items: [], state: 'idle', phase: 'ready', error: null,
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
       baselinesReady: true, recentWorkspaceId: undefined,
     })
     return render(
@@ -416,7 +451,7 @@ describe('DetailsPanel Output section', () => {
 
   function snapshot(over: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
     return {
-      sessionId: SID, nodes: [], foldDegraded: false, partial: null, runningCalls: [], codeDispatches: new Map(),
+      sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
       pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
       openState: 'open', openError: null, hasMore: false, loadingOlder: false,
       promptError: null, blank: false, lastAgentError: null, ...over,
@@ -572,7 +607,7 @@ describe('DetailsPanel Output section', () => {
         useSessions={bindSnapshotSelector(createSnapshotStore<SessionListState>(
           { ids: [], byId: {}, current: undefined, phase: 'ready' }))}
         useWorkspaces={bindSnapshotSelector(createSnapshotStore<WorkspaceListState>({
-          items: [], state: 'idle', phase: 'ready', error: null,
+          items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
           baselinesReady: true, recentWorkspaceId: undefined,
         }))}
         useInput={(() => { throw new Error('unused') })}
diff --git a/packages/client/ui-conversation/tests/web-card.spec.tsx b/packages/client/ui-conversation/tests/web-card.spec.tsx
new file mode 100644
index 0000000000..42dc729e41
--- /dev/null
+++ b/packages/client/ui-conversation/tests/web-card.spec.tsx
@@ -0,0 +1,289 @@
+// @vitest-environment jsdom
+// The web render intent on the web side: the pure webCardModel derivation over
+// resultView, and the conversation render sites that consume it — the keyed
+// WebRow (registered under both web_search and web_fetch), the GenericToolCard
+// render-site fallback, and the details panel's Output section. Mirrors
+// terminal-card.spec.tsx: model derivation + null arms, both kinds, the chat
+// row's collapsed-by-default ToolRow card, the panel arm, and the keyed
+// registration. WebRow now composes the shared ToolRow, so its web card is
+// collapsed by default and appears only once the whole row is expanded.
+
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import { cleanup, fireEvent, render } from '@testing-library/react'
+import { createSnapshotStore } from '@deepseek-ai/dsh-client-runtime/client'
+import type {
+  ConversationSnapshot, RunningToolCall, SessionId, SessionListState, ToolResultNode, WorkspaceListState,
+} from '@deepseek-ai/dsh-client-runtime/client'
+import type { ToolResultView } from '@deepseek-ai/dsh-client-connection/client'
+import { bindSnapshotSelector } from '@deepseek-ai/dsh-client-web-react'
+import type { SelectionTarget, ToolRowOwnerProps } from '@deepseek-ai/dsh-client-ui-conversation/client'
+import { CHAT_WEB_MAX_SOURCES, webCardModel } from '../src/client/contract/web-card-model.ts'
+import { createChatStore } from '../src/client/stores.ts'
+import { GenericToolCard } from '../src/client/chat/GenericToolCard.tsx'
+import { DetailsPanel } from '../src/client/skeleton/DetailsPanel.tsx'
+import { WebRow, webToolview } from '../src/client/toolviews/web-row.tsx'
+import { makeTranslate } from '@deepseek-ai/dsh-client-test-runtime'
+import { zh as commonZh } from '@deepseek-ai/dsh-client-locale/src/locales/zh.ts'
+import { zh } from '../src/client/locales.ts'
+
+afterEach(cleanup)
+
+const SID = 's1' as SessionId
+
+/** Locale seat for the card render sites (GenericToolCard, DetailsPanel), as the sibling suites build it. */
+const t = makeTranslate(zh, commonZh)
+
+const SEARCH_ARGS = '{"query":"deepseek harness"}'
+const FETCH_ARGS = '{"url":"https://example.com/page"}'
+
+/** A web_search result view; overrides tune the sources / answer / truncation. */
+const resultSearch = (over?: Partial<Extract<ToolResultView, { card: 'web'; kind: 'search' }>>): ToolResultView => ({
+  card: 'web', kind: 'search', truncated: false,
+  answer: 'A short answer.',
+  sources: [
+    { url: 'https://example.com/a', title: 'Titled', snippet: 'excerpt', publishedAt: '2026-07-01' },
+    { url: 'https://plain.example.org/b' },
+  ],
+  ...over,
+})
+
+/** A web_fetch result view. */
+const resultFetch = (over?: Partial<Extract<ToolResultView, { card: 'web'; kind: 'fetch' }>>): ToolResultView => ({
+  card: 'web', kind: 'fetch', url: 'https://example.com/page', statusCode: 200, truncated: false, ...over,
+})
+
+const runningSearch = (over?: Partial<RunningToolCall>): RunningToolCall => ({
+  callId: 'c1', name: 'web_search', argsRaw: SEARCH_ARGS,
+  turn: 1, step: 1, time: 1_000, callView: { card: 'generic', title: 'Search', kind: 'search' }, ...over,
+})
+
+const settledSearch = (over?: Partial<ToolResultNode>): ToolResultNode => ({
+  kind: 'tool-result', seq: 10, time: 2_000, callId: 'c1',
+  call: { name: 'web_search', argsRaw: SEARCH_ARGS },
+  callTime: 1_000,
+  content: [{ type: 'text', text: 'search text' }], isError: false,
+  callView: { card: 'generic', title: 'Search', kind: 'search' }, resultView: resultSearch(), ...over,
+})
+
+const settledFetch = (over?: Partial<ToolResultNode>): ToolResultNode => ({
+  kind: 'tool-result', seq: 11, time: 2_000, callId: 'c2',
+  call: { name: 'web_fetch', argsRaw: FETCH_ARGS },
+  callTime: 1_000,
+  content: [{ type: 'text', text: 'fetch body' }], isError: false,
+  callView: { card: 'generic', title: 'Fetch', kind: 'fetch' }, resultView: resultFetch(), ...over,
+})
+
+describe('webCardModel', () => {
+  it('derives a search card from the result view, projecting every source field', () => {
+    expect(webCardModel(settledSearch())).toEqual({
+      kind: 'search',
+      answer: 'A short answer.',
+      truncated: false,
+      sources: [
+        { url: 'https://example.com/a', title: 'Titled', snippet: 'excerpt', publishedAt: '2026-07-01' },
+        { url: 'https://plain.example.org/b', title: undefined, snippet: undefined, publishedAt: undefined },
+      ],
+    })
+  })
+
+  it('carries the search truncation flag and an absent answer', () => {
+    const model = webCardModel(settledSearch({ resultView: { card: 'web', kind: 'search', truncated: true, sources: [] } }))
+    expect(model).toEqual({ kind: 'search', answer: undefined, truncated: true, sources: [] })
+  })
+
+  it('derives a fetch card from the result view', () => {
+    expect(webCardModel(settledFetch())).toEqual({
+      kind: 'fetch', url: 'https://example.com/page', statusCode: 200, truncated: false,
+    })
+    expect(webCardModel(settledFetch({ resultView: resultFetch({ statusCode: 404, truncated: true }) })))
+      .toEqual({ kind: 'fetch', url: 'https://example.com/page', statusCode: 404, truncated: true })
+  })
+
+  it('returns null for a running call, since the web card is result-only', () => {
+    expect(webCardModel(runningSearch())).toBeNull()
+    // Even a running call that somehow carried a web call view stays generic:
+    // the derivation reads resultView only.
+    expect(webCardModel(runningSearch({ callView: null }))).toBeNull()
+  })
+
+  it('returns null for a settled call whose result view is not a web card', () => {
+    expect(webCardModel(settledSearch({ resultView: null }))).toBeNull()
+    expect(webCardModel(settledSearch({ resultView: { card: 'generic' } }))).toBeNull()
+    // A card tag this UI version does not know arrives over the wire; the
+    // documented generic-card default takes it, not a crash.
+    const future = { card: 'chart', kind: 'search' } as unknown as ToolResultView
+    expect(webCardModel(settledSearch({ resultView: future }))).toBeNull()
+    // A web card whose kind this UI version does not know (a newer host's
+    // value) also takes the generic path, not a malformed fetch.
+    const futureKind = { card: 'web', kind: 'timeline' } as unknown as ToolResultView
+    expect(webCardModel(settledSearch({ resultView: futureKind }))).toBeNull()
+  })
+})
+
+describe('chat row web body', () => {
+  const ownerProps = (block: RunningToolCall | ToolResultNode, toolName: string): ToolRowOwnerProps => ({
+    callId: block.callId, toolName, block, openFile: vi.fn(),
+  })
+  // WebRow reads only toolName/block off the full runtime share plus the locale
+  // seat; the standard kit is unused, so the cast supplies the owner slice and
+  // `t` alone (as BashRow's tests do for the terminal card).
+  const rowProps = (block: RunningToolCall | ToolResultNode, toolName: string): Parameters<typeof WebRow>[0] =>
+    ({ ...ownerProps(block, toolName), t } as unknown as Parameters<typeof WebRow>[0])
+
+  /** The whole summary row is the expand toggle (ToolRow's unified interaction). */
+  const toggleRow = (view: { container: HTMLElement }) => {
+    fireEvent.click(view.container.querySelector('[data-expandable]')!)
+  }
+
+  it('the WebRow collapses to the summary row, expanding to the search card capped tighter than the panel', () => {
+    expect(CHAT_WEB_MAX_SOURCES).toBeLessThan(16)
+    const view = render(<WebRow {...rowProps(settledSearch(), 'web_search')} />)
+    // Collapsed: the summary row alone, no card in the DOM.
+    expect(view.getByText('Search')).toBeTruthy()
+    expect(view.queryByText('Titled')).toBeNull()
+    expect(view.container.querySelector('[data-web]')).toBeNull()
+    toggleRow(view)
+    // Expanded: the resident search card with every source field.
+    expect(view.getByText('Titled')).toBeTruthy()
+    expect(view.getByText('excerpt')).toBeTruthy()
+    // hostname fallback for the source with no title
+    expect(view.getByText('plain.example.org')).toBeTruthy()
+  })
+
+  it('the WebRow expands to the fetch card, titled Fetch', () => {
+    const view = render(<WebRow {...rowProps(settledFetch(), 'web_fetch')} />)
+    expect(view.getByText('Fetch')).toBeTruthy()
+    expect(view.container.querySelector('[data-web]')).toBeNull()
+    toggleRow(view)
+    // The url shows as the card's link; scope to the card.
+    const card = view.container.querySelector('[data-web="fetch"]')
+    expect(card?.querySelector('a')?.getAttribute('href')).toBe('https://example.com/page')
+    expect(view.getByText('HTTP 200')).toBeTruthy()
+  })
+
+  it('a running web call is the summary row alone, with nothing to expand', () => {
+    const view = render(<WebRow {...rowProps(runningSearch(), 'web_search')} />)
+    expect(view.getByText('Search')).toBeTruthy()
+    expect(view.queryByText('Titled')).toBeNull()
+    // No card material and no expandable body: clicking the row reveals nothing.
+    expect(view.container.querySelector('[data-expandable]')).toBeNull()
+    expect(view.container.querySelector('[data-web]')).toBeNull()
+  })
+
+  it('a failed web call keeps the summary row without the card', () => {
+    const view = render(<WebRow {...rowProps(settledSearch({
+      isError: true, resultView: { card: 'generic' },
+    }), 'web_search')} />)
+    expect(view.getByText('Search')).toBeTruthy()
+    expect(view.container.querySelector('[data-web]')).toBeNull()
+    // The row reflects the error state so the summary line still reads as failed.
+    expect(view.container.querySelector('[data-state="error"]')).not.toBeNull()
+  })
+
+  it('the GenericToolCard fallback also expands to a web card for a web-declaring tool', () => {
+    // A web-declaring tool without its own keyed row lands on the fallback; its
+    // card routes through the same collapsed-by-default ToolRow.
+    const view = render(<GenericToolCard {...ownerProps(settledSearch({
+      call: { name: 'fx-web', argsRaw: SEARCH_ARGS },
+    }), 'fx-web')} t={t} />)
+    expect(view.container.querySelector('[data-web]')).toBeNull()
+    toggleRow(view)
+    expect(view.getByText('Titled')).toBeTruthy()
+    expect(view.container.querySelector('[data-web="search"]')).not.toBeNull()
+  })
+
+  it('the GenericToolCard fallback keeps the plain row for a non-web call', () => {
+    const view = render(<GenericToolCard {...ownerProps(settledSearch({
+      call: { name: 'echo', argsRaw: '{}' }, callView: null, resultView: null,
+    }), 'echo')} t={t} />)
+    expect(view.container.querySelector('[data-web]')).toBeNull()
+  })
+})
+
+describe('DetailsPanel web Output section', () => {
+  function mount(snapshot: ConversationSnapshot, selection: SelectionTarget | null) {
+    localStorage.clear()
+    const chat = createChatStore().create()
+    if (selection !== null) chat.actions.select(selection)
+    const sessions = createSnapshotStore<SessionListState>({ ids: [], byId: {}, current: undefined, phase: 'ready' })
+    const workspaces = createSnapshotStore<WorkspaceListState>({
+      items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
+      baselinesReady: true, recentWorkspaceId: undefined,
+    })
+    return render(
+      <DetailsPanel
+        sessionId={SID}
+        useSession={bindSnapshotSelector({ getSnapshot: () => snapshot, subscribe: () => () => {} })}
+        useSessions={bindSnapshotSelector(sessions)}
+        useWorkspaces={bindSnapshotSelector(workspaces)}
+        useInput={(() => { throw new Error('unused') })}
+        inputActions={{ setDraft: () => {}, submit: () => {} }}
+        useProjection={(() => undefined)}
+        useStore={bindSnapshotSelector(chat)}
+        actions={chat.actions}
+        closeDetails={vi.fn()}
+        t={t}
+      />,
+    )
+  }
+
+  function snapshot(over: Partial<ConversationSnapshot> = {}): ConversationSnapshot {
+    return {
+      sessionId: SID, nodes: [], partial: null, runningCalls: [], codeDispatches: new Map(),
+      pending: [], queue: [], running: false, composerPhase: 'active', removed: false,
+      openState: 'open', openError: null, hasMore: false, loadingOlder: false,
+      promptError: null, blank: false, lastAgentError: null, ...over,
+    }
+  }
+
+  it('renders the search card at full source allowance', () => {
+    const view = mount(snapshot({ nodes: [settledSearch()] }), { turnSeq: 10, callId: 'c1', toolName: 'web_search' })
+    expect(view.getByText('Titled')).toBeTruthy()
+    expect(view.getByText('excerpt')).toBeTruthy()
+    // The Input JSON section survives beside it.
+    expect(view.getByText(/"query"/)).toBeTruthy()
+  })
+
+  it('renders the fetch card and keeps the fetched body below it', () => {
+    const view = mount(snapshot({ nodes: [settledFetch()] }), { turnSeq: 11, callId: 'c2', toolName: 'web_fetch' })
+    const card = view.container.querySelector('[data-web="fetch"]')
+    expect(card?.querySelector('a')?.getAttribute('href')).toBe('https://example.com/page')
+    expect(view.getByText('HTTP 200')).toBeTruthy()
+    // The card is a summary (URL + status only); the panel is the single-call
+    // reading surface, so the fetched body still renders below the card.
+    const output = view.getByText('输出').closest('section')
+    expect(output?.querySelector('pre')?.textContent).toContain('fetch body')
+  })
+
+  it('a non-web result keeps the flattened pre form', () => {
+    const view = mount(snapshot({
+      nodes: [settledSearch({ callView: null, resultView: null })],
+    }), { turnSeq: 10, callId: 'c1', toolName: 'web_search' })
+    expect(view.container.querySelector('[data-web]')).toBeNull()
+    const output = view.getByText('输出').closest('section')
+    expect(output?.querySelector('pre')?.textContent).toContain('search text')
+  })
+})
+
+describe('web toolview registration', () => {
+  it('registers one WebRow under both web_search and web_fetch', () => {
+    const registered: { key: string; locale: unknown; component: unknown }[] = []
+    const ctx = {
+      slots: {
+        register: (options: { name: string; key: string; locale?: string }, component: unknown) => {
+          registered.push({ key: options.key, locale: options.locale, component })
+          return () => {}
+        },
+      },
+    } as unknown as import('cordis').Context
+    webToolview.apply(ctx)
+    expect(registered.map(r => r.key)).toEqual(['web_search', 'web_fetch'])
+    // Both keys claim the conversation locale seat ToolRow's body copy needs.
+    expect(registered.map(r => r.locale)).toEqual(['conversation', 'conversation'])
+    // One component under both keys, not two thin rows.
+    expect(registered[0]?.component).toBe(WebRow)
+    expect(registered[1]?.component).toBe(WebRow)
+    // The load-order seam the render site depends on.
+    expect(webToolview.inject).toEqual(['slots', 'conversation'])
+  })
+})
diff --git a/packages/client/ui-conversation/tsconfig.json b/packages/client/ui-conversation/tsconfig.json
index 1aa28c9c62..04b265bdd5 100644
--- a/packages/client/ui-conversation/tsconfig.json
+++ b/packages/client/ui-conversation/tsconfig.json
@@ -26,6 +26,9 @@
     {
       "path": "../../session-projection/session-projection"
     },
+    {
+      "path": "../../llm/token-meter"
+    },
     {
       "path": "../../plan/plan-mode"
     },
diff --git a/packages/client/ui-layout/tests/app-frame.spec.tsx b/packages/client/ui-layout/tests/app-frame.spec.tsx
index ab8a11706d..11b5e48e0a 100644
--- a/packages/client/ui-layout/tests/app-frame.spec.tsx
+++ b/packages/client/ui-layout/tests/app-frame.spec.tsx
@@ -77,7 +77,7 @@ function mountFrame() {
     return sel(sessionState)
   }) as never
   const workspaceState: WorkspaceListState = {
-    items: [], state: 'idle', phase: 'ready', error: null,
+    items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
     baselinesReady: baselinesReady.current, recentWorkspaceId: undefined,
   }
   const element = () => (
diff --git a/packages/client/ui-models/README.i18n.yaml b/packages/client/ui-models/README.i18n.yaml
index 951b1d04fe..ac9bc641e9 100644
--- a/packages/client/ui-models/README.i18n.yaml
+++ b/packages/client/ui-models/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/ui-models/README.md
-README.md: adfbc084e1b0e227d50032cb6c924401b81c6a79
-README.zh.md: 4ee7d4efa729fdccee392ab8e55078b5a4a239ef
+README.md: 937b8e6bf9b41049f359d702eb3ac2dc11bf0767
+README.zh.md: 37d8642e8d6d52a2d95e86207649b7a6ce3e8246
diff --git a/packages/client/ui-models/README.md b/packages/client/ui-models/README.md
index adfbc084e1..937b8e6bf9 100644
--- a/packages/client/ui-models/README.md
+++ b/packages/client/ui-models/README.md
@@ -2,11 +2,11 @@
 
 English | [中文](README.zh.md)
 
-Models settings plugin: the provider configuration page and official-DeepSeek first-run routing overlay. It joins three wire domains into one shared snapshot — `llm.providers` (the configurable-provider directory with each route's live/dormant state), `settings.describe` (serialized schemas, layered redacted values, secret slots), and `credentials.describe` (value-free configured/source/writable badges) — and renders provider rows with one editor card at a time.
+Models settings plugin: the provider configuration page and official-DeepSeek conditional onboarding step. It joins three wire domains into one shared snapshot — `llm.providers` (the configurable-provider directory with each route's live/dormant state), `settings.describe` (serialized schemas, layered redacted values, secret slots), and `credentials.describe` (value-free configured/source/writable badges) — and renders provider rows with one editor card at a time, without presenting route liveness as provider status.
 
-Rows are the *configured* providers (their profile resolves in the owning namespace); a whole-section provider whose key is not configured anywhere (the first-run DeepSeek posture) renders as its open setup card instead of a row, and the add flow is a card carrying the dormant-directory provider select — a bare-mounted `llm-pi-ai` offers its whole installed catalog before any route exists. The editor is a hand-written card per adapter family: the primary field is a single **API key** input — the page never asks for an environment-variable name; a typed key stores **write-only** through `credentials.set` under the profile's reference, deriving `<ROUTE>_API_KEY` when the profile has none, and the pi-ai profile records that derivation as `apiKeyEnv`, so `settings.yaml` never carries a key value. The collapsed 自定义设置 fold carries the curated extras — `baseURL` for both families (the deepseek placeholder shows the public endpoint), plus `reasoningEffort` (deepseek) or `reasoning` (pi-ai); every other profile field stays owned by `settings.yaml`. A row is deletable only when the user layer alone carries it (removal restores the composition base).
+Rows are the *configured* providers (their profile resolves in the owning namespace); a whole-section provider whose key is not configured anywhere (the first-run DeepSeek posture) renders as its open setup card instead of a row, and the add flow is a card carrying the dormant-directory provider select — a bare-mounted `llm-pi-ai` offers its whole installed catalog before any route exists. The editor is a hand-written card per adapter family: the primary field is a single **API key** input — the page never asks for an environment-variable name; a typed key stores **write-only** through `credentials.set` under the profile's reference, deriving `<ROUTE>_API_KEY` when the profile has none, and the pi-ai profile records that derivation as `apiKeyEnv`, so `settings.yaml` never carries a key value. The collapsed 自定义设置 fold carries the curated extras — `baseURL` for both families (the deepseek placeholder shows the public endpoint), plus `reasoningEffort` (deepseek) or `reasoning` (pi-ai); every other profile field stays owned by `settings.yaml`. A row is deletable only when the user layer alone carries it (removal restores the composition base), and a localized confirmation dialog must complete before the page submits that destructive unset.
 
-The first-run overlay projects `deepseek-official` readiness from that same joined snapshot. It recognizes the official adapter through its `llm-deepseek` configurable-provider declaration, so an undeclared live route with the same provider id is not treated as repairable configuration. A configured literal `apiKey` secret sidecar or configured credential reference suppresses the prompt, including a read-only launch-environment credential. Only a mounted adapter with a missing writable reference shows the action that opens Settings on the Models section, whose existing setup card exclusively owns key input and `credentials.set`; the overlay never holds a secret. An absent adapter, inactive route, failed join, read-only deployment, or unusable settings or credential capability is skipped so onboarding cannot block the rest of the product; the Models page remains the diagnostic surface.
+The DeepSeek step projects `deepseek-official` readiness from that same joined snapshot after earlier onboarding pages complete. It recognizes the official adapter through its `llm-deepseek` configurable-provider declaration, so an undeclared live route with the same provider id is not treated as repairable configuration. A configured literal `apiKey` secret sidecar or configured credential reference completes the step without rendering, including a read-only launch-environment credential. Only a mounted, active adapter with a missing writable reference shows the page that opens Settings on Models, whose existing setup card exclusively owns key input and `credentials.set`; the step never holds a secret. An absent adapter, inactive route, failed join, read-only deployment, or unusable settings or credential capability completes the step without rendering so onboarding cannot block the product; Models remains the diagnostic surface.
 
 Every edit lands as `settings.mutate` path ops against the stored section — a set per changed field, an unset per cleared one, and a single unset for a deleted row. The page only ever holds the REDACTED descriptor, so it names the fields it can see rather than rebuilding a section: a stored literal secret it never received is mentioned by no op and survives. Each write carries the `revision` the card opened at, so a concurrent write from another tab or an external `settings.yaml` edit is refused as `settings-conflict` and the card asks the user to reopen instead of replaying its stale snapshot. The page refetches on the pushed invalidations (`settings/changed`, `credentials/changed`, `models/changed`, and `connection/reset`) once it has loaded, so an external `settings.yaml` edit, a second tab, or a settings-born route converges without polling.
 
diff --git a/packages/client/ui-models/README.zh.md b/packages/client/ui-models/README.zh.md
index 4ee7d4efa7..37d8642e8d 100644
--- a/packages/client/ui-models/README.zh.md
+++ b/packages/client/ui-models/README.zh.md
@@ -2,11 +2,11 @@
 
 [English](README.md) | 中文
 
-模型设置插件：提供方配置页和 DeepSeek 官方首次使用跳转浮层。它把三个协议领域汇聚为一个共享快照：`llm.providers`（可配置提供方目录，含每条路由的存活／休眠状态）、`settings.describe`（序列化 schema、分层脱敏值、secret 槽位）与 `credentials.describe`（不含值的 configured/source/writable 徽标）；页面据此渲染提供方行，一次只展开一张编辑卡片。
+模型设置插件：提供方配置页和按条件显示的 DeepSeek 官方首次使用引导步骤。它把三个协议领域汇聚为一个共享快照：`llm.providers`（可配置提供方目录，含每条路由的存活／休眠状态）、`settings.describe`（序列化 schema、分层脱敏值、secret 槽位）与 `credentials.describe`（不含值的 configured/source/writable 徽标）；页面据此渲染提供方行，一次只展开一张编辑卡片，且不把路由存活状态呈现为提供方状态。
 
-行是*已配置*的提供方（其 profile 在所属 namespace 中解析得出）；密钥未在任何地方配置的整分节提供方（DeepSeek 的首次运行姿态）会渲染为其展开的设置卡片而非一行，「新增」流程则是一张承载休眠目录提供方选择框的卡片——裸挂载的 `llm-pi-ai` 在任何路由存在之前就能提供其完整的已安装 catalog。编辑器是每个适配器家族各一张的手写卡片：主字段是单独一个 **API 密钥**输入框——页面从不询问环境变量名；键入的密钥经 `credentials.set` 以**只写**方式存入 profile 的引用之下，profile 没有引用时便派生 `<ROUTE>_API_KEY`，pi-ai profile 会把这次派生记录为 `apiKeyEnv`，因此 `settings.yaml` 从不携带密钥值。收起的「自定义设置」折叠区承载精选的额外字段——两个家族都有 `baseURL`（deepseek 的占位符显示公共端点），另加 `reasoningEffort`（deepseek）或 `reasoning`（pi-ai）；其余每个 profile 字段仍归 `settings.yaml` 所有。只有当某行仅由用户层承载时它才可删除（删除会还原组合 base）。
+行是*已配置*的提供方（其 profile 在所属 namespace 中解析得出）；密钥未在任何地方配置的整分节提供方（DeepSeek 的首次运行姿态）会渲染为其展开的设置卡片而非一行，「新增」流程则是一张承载休眠目录提供方选择框的卡片——裸挂载的 `llm-pi-ai` 在任何路由存在之前就能提供其完整的已安装 catalog。编辑器是每个适配器家族各一张的手写卡片：主字段是单独一个 **API 密钥**输入框——页面从不询问环境变量名；键入的密钥经 `credentials.set` 以**只写**方式存入 profile 的引用之下，profile 没有引用时便派生 `<ROUTE>_API_KEY`，pi-ai profile 会把这次派生记录为 `apiKeyEnv`，因此 `settings.yaml` 从不携带密钥值。收起的「自定义设置」折叠区承载精选的额外字段——两个家族都有 `baseURL`（deepseek 的占位符显示公共端点），另加 `reasoningEffort`（deepseek）或 `reasoning`（pi-ai）；其余每个 profile 字段仍归 `settings.yaml` 所有。只有当某行仅由用户层承载时它才可删除（删除会还原组合 base），而且必须先在本地化对话框中确认，页面才会提交这次破坏性的 unset。
 
-首次使用浮层从同一个联接快照得出 `deepseek-official` 的就绪状态。它通过 `llm-deepseek` 的可配置提供方声明识别官方适配器，因此不会把同一提供方 ID 下没有相应声明的存活路由视为可通过配置修复。若 `apiKey` 字面量对应的 secret 槽位标记为已设置，或凭据引用已配置，浮层就不再显示，其中包括来自启动环境且只读的凭据。只有适配器已挂载、引用可写但尚未配置时，浮层才显示一个操作按钮，用于打开「设置」的 Models 分区；密钥输入和 `credentials.set` 仅由该分区已有的设置卡片负责，浮层绝不持有 secret。适配器缺失、路由未激活、联接失败、部署只读、设置能力不可用或凭据能力不可用时均跳过，以免首次使用引导阻塞产品的其他部分；Models 页仍是诊断界面。
+前序首次使用引导页面完成后，DeepSeek 步骤会从同一个联接快照得出 `deepseek-official` 的就绪状态。它通过 `llm-deepseek` 的可配置提供方声明识别官方适配器，因此同 id 但未声明的存活路由不属于可修复配置。若 `apiKey` 字面量对应的 secret 槽位标记为已设置，或凭据引用已配置，该步骤会直接完成而不渲染，其中包括来自启动环境且只读的凭据。只有已挂载且活跃、引用可写但尚未配置的适配器才会显示前往「设置」Models 分区的页面；密钥输入和 `credentials.set` 仅由该分区已有的设置卡片负责，该步骤绝不持有 secret。适配器缺失、路由不活跃、联接失败、部署只读或设置／凭据能力不可用时，该步骤均不渲染并直接完成，以免首次使用引导阻塞产品；Models 页仍是诊断界面。
 
 每一次编辑都以 `settings.mutate` 的路径 op 落到已存分节上——每个变更字段一条 set、每个清空字段一条 unset、删除整行则是单独一条 unset。页面自始至终只持有**脱敏后**的 descriptor，因此它点名自己看得见的字段，而不是重建分节：一个它从未收到过的已存字面机密不会被任何 op 提及，也就得以留存。每次写入都携带该卡片打开时的 `revision`，因此来自另一个标签页或对 `settings.yaml` 的外部编辑所产生的并发写入会以 `settings-conflict` 被拒绝，卡片会请用户重新打开，而不是把自己的陈旧快照重放上去。页面加载完成后会在推送的失效事件（`settings/changed`、`credentials/changed`、`models/changed` 与 `connection/reset`）上重拉，因此外部的 `settings.yaml` 编辑、第二个标签页或 settings 新生的路由都无需轮询即可收敛。
 
diff --git a/packages/client/ui-models/package.json b/packages/client/ui-models/package.json
index a649e1308f..025cc4c440 100644
--- a/packages/client/ui-models/package.json
+++ b/packages/client/ui-models/package.json
@@ -51,6 +51,7 @@
     "@deepseek-ai/dsh-client-locale": "workspace:^",
     "@deepseek-ai/dsh-client-runtime": "workspace:^",
     "@deepseek-ai/dsh-client-schema-form": "workspace:^",
+    "@deepseek-ai/dsh-client-test-runtime": "workspace:^",
     "@deepseek-ai/dsh-client-ui-primitives": "workspace:^",
     "@deepseek-ai/dsh-client-ui-settings": "workspace:^",
     "@deepseek-ai/dsh-client-ui-slots": "workspace:^",
diff --git a/packages/client/ui-models/src/client/DeepSeekOnboardingDialog.module.css b/packages/client/ui-models/src/client/DeepSeekOnboardingDialog.module.css
index 577b8e0287..221239d7bb 100644
--- a/packages/client/ui-models/src/client/DeepSeekOnboardingDialog.module.css
+++ b/packages/client/ui-models/src/client/DeepSeekOnboardingDialog.module.css
@@ -1,7 +1,99 @@
-.dialog {
-  width: min(420px, 100%);
+.page {
+  position: relative;
+  z-index: 1;
+  width: min(640px, calc(100vw - 64px));
+  max-height: 100vh;
+  padding: clamp(104px, 18vh, 156px) 0 40px;
+  box-sizing: border-box;
+  overflow-y: auto;
+  color: var(--dsw-alias-label-primary);
+}
+
+.brand {
+  display: flex;
+  align-items: center;
+  margin-bottom: 42px;
+  color: var(--dsw-alias-label-primary);
+}
+
+.title {
+  margin: 0;
+  font-size: 28px;
+  line-height: 36px;
+  font-weight: 600;
+  letter-spacing: -0.02em;
+  outline: none;
+}
+
+.description {
+  margin: 16px 0 0;
+  font-size: 16px;
+  line-height: 28px;
+  color: var(--dsw-alias-label-secondary);
+}
+
+.actions {
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  gap: 12px;
+  margin-top: 32px;
 }
 
 .primary {
-  width: 100%;
+  min-width: 132px;
+}
+
+.brand,
+.title,
+.description,
+.actions {
+  animation: credential-enter 280ms cubic-bezier(0.23, 1, 0.32, 1) both;
+}
+
+.title { animation-delay: 40ms; }
+.description { animation-delay: 80ms; }
+.actions { animation-delay: 120ms; }
+
+@keyframes credential-enter {
+  from {
+    opacity: 0;
+    transform: translateY(8px);
+  }
+
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .brand,
+  .title,
+  .description,
+  .actions {
+    animation: none;
+  }
+}
+
+@media (max-width: 560px) {
+  .page {
+    width: calc(100vw - 40px);
+    padding-top: 64px;
+  }
+
+  .brand {
+    margin-bottom: 30px;
+  }
+
+  .actions {
+    align-items: stretch;
+    flex-direction: column-reverse;
+    margin-top: 32px;
+  }
+
+  .primary,
+  .later {
+    width: 100%;
+  }
 }
diff --git a/packages/client/ui-models/src/client/DeepSeekOnboardingDialog.tsx b/packages/client/ui-models/src/client/DeepSeekOnboardingDialog.tsx
index b4bfcf02d0..7ee67484bc 100644
--- a/packages/client/ui-models/src/client/DeepSeekOnboardingDialog.tsx
+++ b/packages/client/ui-models/src/client/DeepSeekOnboardingDialog.tsx
@@ -1,13 +1,13 @@
 /**
- * Official-DeepSeek first-run dialog. Readiness comes from the same
+ * Official-DeepSeek first-run step. Readiness comes from the same
  * provider/settings/credential join as the Models page; the prompt only
  * routes the user to that page's single credential editor.
  */
 
-import { useEffect, useState } from 'react'
+import { useEffect, useRef } from 'react'
 import type { ReactNode } from 'react'
 import type { PropsRuntime } from '@deepseek-ai/dsh-client-ui-slots'
-import { Button, Modal } from '@deepseek-ai/dsh-client-ui-primitives'
+import { BrandWordmark, Button } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { SnapshotSelectorHook } from '@deepseek-ai/dsh-client-web-react'
 import type { ModelsSettingsState, ModelsSettingsStore } from './store.ts'
 import { deepSeekReadiness } from './store.ts'
@@ -37,29 +37,35 @@ function assertNever(_value: never): never {
  * Prompt a first-run user to open Models while the official adapter exists
  * and its effective credential is not configured.
  * @param props - settings-shell owner state and Models feature dependencies.
- * @returns the controlled modal or null when onboarding needs no intervention.
+ * @returns the onboarding page or null when onboarding needs no intervention.
  */
 export function DeepSeekOnboardingDialog(props: DeepSeekOnboardingDialogProps): ReactNode {
-  const { active, openSection, controller, useSnapshot, t } = props
+  const { complete, openSection, controller, useSnapshot, t } = props
   const state = useSnapshot(snapshot => snapshot)
   const readiness = deepSeekReadiness(state)
-  const [dismissed, setDismissed] = useState(false)
+  const titleRef = useRef<HTMLHeadingElement | null>(null)
 
   useEffect(() => {
-    if (active && !dismissed && state.status === 'idle') void controller.load()
-  }, [active, controller, dismissed, state.status])
+    if (state.status === 'idle') void controller.load()
+  }, [controller, state.status])
 
-  const close = (): void => {
-    setDismissed(true)
-  }
+  useEffect(() => {
+    if (
+      readiness.kind === 'adapter-absent'
+      || readiness.kind === 'configured'
+      || readiness.kind === 'unavailable'
+    ) complete()
+  }, [complete, readiness.kind])
+
+  useEffect(() => {
+    if (readiness.kind === 'credential-missing') titleRef.current?.focus()
+  }, [readiness.kind])
 
   const openModels = (): void => {
-    close()
+    complete()
     openSection('models')
   }
 
-  if (!active || dismissed) return null
-
   switch (readiness.kind) {
     case 'loading':
     case 'adapter-absent':
@@ -74,23 +80,25 @@ export function DeepSeekOnboardingDialog(props: DeepSeekOnboardingDialogProps):
   }
 
   return (
-    <Modal
-      open
-      onClose={close}
-      title={t('onboardingTitle')}
-      closeLabel={t('onboardingLater')}
-      description={t('onboardingDescription')}
-      className={styles['dialog'] as string}
-      footer={(
-        <Button
-          variant="primary"
-          className={styles['primary']}
-          autoFocus
-          onClick={openModels}
-        >
+    <section className={styles['page']} role="region" aria-labelledby="deepseek-onboarding-title">
+      <div className={styles['brand']} aria-hidden="true"><BrandWordmark size={24} /></div>
+      <h2
+        ref={titleRef}
+        id="deepseek-onboarding-title"
+        className={styles['title']}
+        tabIndex={-1}
+      >
+        {t('onboardingTitle')}
+      </h2>
+      <p className={styles['description']}>{t('onboardingDescription')}</p>
+      <div className={styles['actions']}>
+        <Button variant="ghost" className={styles['later']} onClick={complete}>
+          {t('onboardingLater')}
+        </Button>
+        <Button variant="primary" className={styles['primary']} onClick={openModels}>
           {t('onboardingGoToSettings')}
         </Button>
-      )}
-    />
+      </div>
+    </section>
   )
 }
diff --git a/packages/client/ui-models/src/client/ModelsSection.module.css b/packages/client/ui-models/src/client/ModelsSection.module.css
index a2be484a63..a8b28db46c 100644
--- a/packages/client/ui-models/src/client/ModelsSection.module.css
+++ b/packages/client/ui-models/src/client/ModelsSection.module.css
@@ -3,6 +3,7 @@
   flex-direction: column;
   gap: 12px;
   max-width: 720px;
+  color: var(--dsw-alias-label-primary);
 }
 
 .title {
@@ -14,13 +15,13 @@
 .intro {
   margin: 0;
   font-size: 13px;
-  color: var(--text-tertiary, #888);
+  color: var(--dsw-alias-label-tertiary);
 }
 
 .notice {
   margin: 0;
   font-size: 12px;
-  color: var(--text-warning, #a15c00);
+  color: var(--dsw-alias-state-warn-label);
 }
 
 .rows {
@@ -33,13 +34,13 @@
 }
 
 .rowCard {
-  border: 1px solid var(--border, #e2e2e2);
+  border: 1px solid var(--dsw-alias-border-l2);
   border-radius: 12px;
   padding: 12px 14px;
   display: flex;
   flex-direction: column;
   gap: 12px;
-  background: var(--surface, #fff);
+  background: var(--dsw-alias-bg-layer-3);
 }
 
 .rowHead {
@@ -53,58 +54,27 @@
   font-weight: 600;
 }
 
-.badges {
-  display: inline-flex;
-  gap: 6px;
-  flex: 1;
-}
-
-.badgeOk {
-  display: inline-flex;
-  align-items: center;
-  gap: 5px;
-  color: var(--text-success, #0a7d33);
-  font-size: 12px;
-}
-
-.badgeOk::before {
-  content: '';
-  width: 6px;
-  height: 6px;
-  border-radius: 999px;
-  background: currentcolor;
-}
-
-.badgeMuted {
-  color: var(--text-tertiary, #999);
-  font-size: 12px;
-}
-
-.badgeWarn {
-  color: var(--text-warning, #a15c00);
-  font-size: 12px;
-}
-
 .rowActions {
   display: inline-flex;
   gap: 8px;
+  margin-left: auto;
 }
 
 .primaryButton {
   border: none;
   border-radius: 999px;
   padding: 8px 18px;
-  background: var(--accent-strong, #111);
-  color: var(--text-inverse, #fff);
+  background: var(--dsw-alias-button-primary-fill);
+  color: var(--dsw-alias-label-primary-foreground);
   font: inherit;
   cursor: pointer;
 }
 
 .secondaryButton {
-  border: 1px solid var(--border, #d9d9d9);
+  border: 1px solid var(--dsw-alias-border-l2);
   border-radius: 999px;
   padding: 6px 14px;
-  background: var(--surface, #fff);
+  background: var(--dsw-alias-bg-layer-3);
   color: inherit;
   font: inherit;
   cursor: pointer;
@@ -113,7 +83,7 @@
 .dangerButton {
   border: none;
   background: none;
-  color: var(--text-danger, #c0392b);
+  color: var(--dsw-alias-state-error-primary);
   font: inherit;
   cursor: pointer;
 }
@@ -126,9 +96,9 @@
 }
 
 .editor {
-  border: 1px solid var(--border, #e6e6e6);
+  border: 1px solid var(--dsw-alias-border-l2);
   border-radius: 12px;
-  background: var(--surface-secondary, #f7f7f8);
+  background: var(--dsw-alias-bg-layer-2);
   padding: 14px 16px;
   display: flex;
   flex-direction: column;
@@ -148,7 +118,7 @@
 
 .editorRoute {
   font-size: 12px;
-  color: var(--text-tertiary, #999);
+  color: var(--dsw-alias-label-tertiary);
 }
 
 .field {
@@ -163,14 +133,14 @@
   gap: 10px;
   font-size: 12px;
   font-weight: 500;
-  color: var(--text-secondary, #555);
+  color: var(--dsw-alias-label-secondary);
 }
 
 .linkButton {
   border: none;
   background: none;
   padding: 0;
-  color: var(--text-tertiary, #888);
+  color: var(--dsw-alias-label-tertiary);
   font: inherit;
   font-size: 12px;
   text-decoration: underline;
@@ -185,7 +155,7 @@
 .advancedHint {
   margin: 0;
   font-size: 12px;
-  color: var(--text-tertiary, #999);
+  color: var(--dsw-alias-label-tertiary);
 }
 
 .editorActions {
@@ -202,12 +172,12 @@
 
 .addButton {
   align-self: flex-start;
-  border: 1px solid var(--border, #d9d9d9);
+  border: 1px solid var(--dsw-alias-border-l2);
   border-radius: 999px;
   padding: 8px 16px;
   font: inherit;
   font-size: 13px;
-  background: var(--surface, #fff);
+  background: var(--dsw-alias-bg-layer-3);
   color: inherit;
   cursor: pointer;
 }
@@ -219,9 +189,9 @@
 
 .addCard,
 .setupCard {
-  border: 1px solid var(--border, #e6e6e6);
+  border: 1px solid var(--dsw-alias-border-l2);
   border-radius: 12px;
-  background: var(--surface-secondary, #f7f7f8);
+  background: var(--dsw-alias-bg-layer-3);
   padding: 14px 16px;
   display: flex;
   flex-direction: column;
@@ -237,7 +207,7 @@
 }
 
 .customized {
-  border-top: 1px solid var(--border, #ececec);
+  border-top: 1px solid var(--dsw-alias-border-l2);
   padding-top: 10px;
 }
 
@@ -245,7 +215,7 @@
   cursor: pointer;
   font-size: 12px;
   font-weight: 500;
-  color: var(--text-secondary, #555);
+  color: var(--dsw-alias-label-secondary);
   list-style: revert;
 }
 
@@ -259,25 +229,38 @@
 .input {
   box-sizing: border-box;
   padding: 9px 12px;
-  border: 1px solid var(--border, #d9d9d9);
+  border: 1px solid var(--dsw-alias-border-l2);
   border-radius: 10px;
   font: inherit;
   font-size: 13px;
-  background: var(--surface, #fff);
-  color: inherit;
+  background: var(--dsw-alias-bg-layer-1);
+  color: var(--dsw-alias-label-primary);
 }
 
 .input:focus {
   outline: none;
-  border-color: var(--accent-strong, #111);
+  border-color: var(--dsw-alias-brand-primary);
 }
 
 .input::placeholder {
-  color: var(--text-tertiary, #aaa);
+  color: var(--dsw-alias-label-dimmed);
 }
 
 .error {
   margin: 0;
   font-size: 12px;
-  color: var(--text-danger, #c0392b);
+  color: var(--dsw-alias-state-error-primary);
+}
+
+.deleteDialog {
+  width: min(480px, 100%);
+}
+
+.deleteConfirm:not(:disabled) {
+  border-color: var(--dsw-alias-state-error-primary);
+  color: var(--dsw-alias-state-error-primary);
+}
+
+.deleteConfirm:hover:not(:disabled) {
+  background: var(--dsw-alias-interactive-bg-hover-danger);
 }
diff --git a/packages/client/ui-models/src/client/ModelsSection.tsx b/packages/client/ui-models/src/client/ModelsSection.tsx
index d095acb86c..c206dbd864 100644
--- a/packages/client/ui-models/src/client/ModelsSection.tsx
+++ b/packages/client/ui-models/src/client/ModelsSection.tsx
@@ -4,13 +4,15 @@
  * card at a time. A whole-section provider without a configured key (the
  * unconfigured DeepSeek posture) renders as its open setup card instead of a
  * row; the add flow is a card carrying the dormant-provider select. Every
- * mutation writes through the wire; the page re-renders from the pushed
- * invalidations or the post-apply reload.
+ * mutation writes through the wire, while a provider removal first requires
+ * confirmation; the page re-renders from pushed invalidations or the
+ * post-apply reload.
  */
 
 import { useState } from 'react'
 import type { ReactNode } from 'react'
 import type { IApiClient } from '@deepseek-ai/dsh-client-connection/client'
+import { Button, Modal } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { SnapshotSelectorHook } from '@deepseek-ai/dsh-client-web-react'
 import { messageOf } from './store.ts'
 import type { ModelsSettingsState, ModelsSettingsStore, ProviderRow } from './store.ts'
@@ -114,6 +116,8 @@ function Loaded({ injected }: { injected: ModelsSectionInjected }): ReactNode {
   const state = injected.useSnapshot(snapshot => snapshot)
   const [editing, setEditing] = useState<EditorTarget | undefined>(undefined)
   const [adding, setAdding] = useState(false)
+  const [deleteTarget, setDeleteTarget] = useState<EditorTarget | undefined>(undefined)
+  const [deleting, setDeleting] = useState(false)
 
   const closeEditor = (changed: boolean): void => {
     setEditing(undefined)
@@ -121,6 +125,26 @@ function Loaded({ injected }: { injected: ModelsSectionInjected }): ReactNode {
     if (changed) void controller.load()
   }
 
+  const closeDelete = (): void => {
+    if (deleting) return
+    setDeleteTarget(undefined)
+  }
+
+  const confirmDelete = (): void => {
+    /* v8 ignore next -- the action only renders with a target and is disabled while a deletion is pending */
+    if (deleteTarget === undefined || deleting) return
+    setDeleting(true)
+    void removeProviderProfile(api, controller, deleteTarget)
+      .then((failure) => {
+        if (failure !== undefined) {
+          controller.fail(failure)
+          return
+        }
+        setDeleteTarget(undefined)
+      })
+      .finally(() => { setDeleting(false) })
+  }
+
   if (state.status === 'idle') void controller.load()
   if (state.status === 'error') {
     /* v8 ignore next -- an error status always carries text; the fallback satisfies the nullable type */
@@ -174,11 +198,6 @@ function Loaded({ injected }: { injected: ModelsSectionInjected }): ReactNode {
             <li key={row.entry.provider} className={styles['rowCard']}>
               <div className={styles['rowHead']}>
                 <span className={styles['rowName']}>{row.entry.displayName}</span>
-                <span className={styles['badges']}>
-                  {row.entry.active
-                    ? <span className={styles['badgeOk']}>{t('active')}</span>
-                    : <span className={styles['badgeMuted']}>{t('dormant')}</span>}
-                </span>
                 <span className={styles['rowActions']}>
                   <button
                     type="button"
@@ -193,11 +212,7 @@ function Loaded({ injected }: { injected: ModelsSectionInjected }): ReactNode {
                         type="button"
                         className={styles['dangerButton']}
                         disabled={!state.writable}
-                        onClick={() => {
-                          void removeProviderProfile(api, controller, target).then((failure) => {
-                            if (failure !== undefined) controller.fail(failure)
-                          })
-                        }}
+                        onClick={() => { setDeleteTarget(target) }}
                       >
                         {t('remove')}
                       </button>
@@ -276,6 +291,29 @@ function Loaded({ injected }: { injected: ModelsSectionInjected }): ReactNode {
             </button>
           )}
       </div>
+      <Modal
+        open={deleteTarget !== undefined}
+        onClose={closeDelete}
+        title={t('deleteTitle')}
+        closeLabel={t('close')}
+        description={t('deleteDescription')}
+        className={styles['deleteDialog'] as string}
+        footer={(
+          <>
+            <Button variant="outline" autoFocus disabled={deleting} onClick={closeDelete}>
+              {t('cancel')}
+            </Button>
+            <Button
+              variant="outline"
+              className={styles['deleteConfirm']}
+              disabled={deleting}
+              onClick={confirmDelete}
+            >
+              {deleting ? t('deleting') : t('deleteConfirm')}
+            </Button>
+          </>
+        )}
+      />
     </div>
   )
 }
diff --git a/packages/client/ui-models/src/client/locales.ts b/packages/client/ui-models/src/client/locales.ts
index 48431ddacf..c9491273bc 100644
--- a/packages/client/ui-models/src/client/locales.ts
+++ b/packages/client/ui-models/src/client/locales.ts
@@ -5,12 +5,15 @@ export const en = {
   nav: 'Models',
   title: 'Models',
   intro: 'Enter your API keys to use models from the following providers.',
-  active: 'Active',
-  dormant: 'Inactive',
   edit: 'Edit',
   remove: 'Delete',
+  deleteTitle: 'Delete model provider?',
+  deleteDescription: 'Deleting this model provider removes its configuration. You will not be able to use its models until you add the provider again.',
+  deleteConfirm: 'Delete provider',
+  deleting: 'Deleting provider…',
   add: 'Add provider',
   provider: 'Provider',
+  close: 'Close',
   cancel: 'Cancel',
   apply: 'Apply',
   applying: 'Applying…',
@@ -42,12 +45,15 @@ export const zh: typeof en = {
   nav: '模型',
   title: '模型',
   intro: '填入各提供方的 API 密钥即可使用其模型。',
-  active: '已启用',
-  dormant: '未启用',
   edit: '编辑',
   remove: '删除',
+  deleteTitle: '删除模型提供方？',
+  deleteDescription: '删除此模型提供方会移除其配置。在重新添加前，你将无法继续使用其模型。',
+  deleteConfirm: '删除提供方',
+  deleting: '正在删除提供方…',
   add: '添加提供方',
   provider: '提供方',
+  close: '关闭',
   cancel: '取消',
   apply: '保存',
   applying: '保存中…',
diff --git a/packages/client/ui-models/tests/apply.spec.ts b/packages/client/ui-models/tests/apply.spec.ts
index eb34b162a0..1f44cb487c 100644
--- a/packages/client/ui-models/tests/apply.spec.ts
+++ b/packages/client/ui-models/tests/apply.spec.ts
@@ -4,10 +4,15 @@ import { describe, expect, it, vi } from 'vitest'
 import { resolveSlotLabel } from '@deepseek-ai/dsh-client-ui-slots'
 import { SlotsService } from '@deepseek-ai/dsh-client-runtime/client'
 import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
+import { usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import { apply, inject, refreshIfLoaded } from '@deepseek-ai/dsh-client-ui-models/client'
 import { ModelsSection } from '../src/client/ModelsSection.tsx'
 import { DeepSeekOnboardingDialog } from '../src/client/DeepSeekOnboardingDialog.tsx'
 
+// The service reads its initial locale from the browser; these specs assert
+// the shipped Chinese copy, so they state the browser they assume.
+usePinnedBrowserLanguages('zh-CN')
+
 async function bench() {
   const ctx = new Context()
   await ctx.plugin(SlotsService).await()
@@ -48,6 +53,7 @@ describe('ui-models apply', () => {
     expect(resolveSlotLabel(entry.options.label)).toBe('模型')
     const injected = (entry.inject as unknown as () => import('../src/client/ModelsSection.tsx').ModelsSectionInjected)()
     expect(injected.t('nav')).toBe('模型')
+    expect(injected.t('deleteTitle')).toBe('删除模型提供方？')
     expect(typeof injected.controller.load).toBe('function')
     expect(typeof injected.useSnapshot).toBe('function')
     expect(injected.api).toBeDefined()
@@ -73,8 +79,11 @@ describe('ui-models apply', () => {
     await b.ctx.plugin({ inject: [...inject], apply }).await()
     b.locale.setLocale('en')
     expect(resolveSlotLabel(b.slots.entries('settings.section')[0]!.options.label)).toBe('Models')
+    const injected = b.slots.entries('settings.section')[0]!.inject as unknown as () => import('../src/client/ModelsSection.tsx').ModelsSectionInjected
+    expect(injected().t('deleteTitle')).toBe('Delete model provider?')
     b.locale.setLocale('zh')
     expect(resolveSlotLabel(b.slots.entries('settings.section')[0]!.options.label)).toBe('模型')
+    expect(injected().t('deleteTitle')).toBe('删除模型提供方？')
   })
 
   it('locale change while the slot is undeclared stays a no-op', async () => {
diff --git a/packages/client/ui-models/tests/components.spec.tsx b/packages/client/ui-models/tests/components.spec.tsx
index a4f3734fbd..bf6eede131 100644
--- a/packages/client/ui-models/tests/components.spec.tsx
+++ b/packages/client/ui-models/tests/components.spec.tsx
@@ -1,6 +1,6 @@
 // @vitest-environment jsdom
 /** Section, setup-card, and hand-written editor behavior over a scripted wire face. */
-import { cleanup, fireEvent, render, screen, waitFor } from '@testing-library/react'
+import { act, cleanup, fireEvent, render, screen, waitFor, within } from '@testing-library/react'
 import { afterEach, describe, expect, it, vi } from 'vitest'
 import Schema from 'schemastery'
 import { bindSnapshotSelector } from '@deepseek-ai/dsh-client-web-react'
@@ -152,10 +152,9 @@ describe('ModelsSection', () => {
     // DeepSeek has no configured credential and no stored apiKey → setup card.
     expect(screen.getByText('DeepSeek')).toBeTruthy()
     expect(screen.getByLabelText(en.keyInput)).toBeTruthy()
-    // Configured pi-ai profiles render as rows with liveness badges only.
     expect(screen.getByText('openai')).toBeTruthy()
-    expect(screen.getAllByText(en.active)).toHaveLength(1)
-    expect(screen.getByText(en.dormant)).toBeTruthy()
+    expect(screen.queryByText('Active')).toBeNull()
+    expect(screen.queryByText('Inactive')).toBeNull()
     expect(screen.getByText(`+ ${en.add}`)).toBeTruthy()
   })
 
@@ -471,10 +470,28 @@ describe('ModelsSection', () => {
     await waitFor(() => { expect(set).toHaveBeenCalledTimes(1) })
   })
 
-  it('removes a user-added provider by unsetting its path', async () => {
+  it('requires confirmation before removing a user-added provider', async () => {
     const { replace, mutate } = await mountSection()
     fireEvent.click(screen.getAllByText(en.remove)[0] as HTMLElement)
+    const dialog = screen.getByRole('dialog', { name: en.deleteTitle })
+    expect(dialog.textContent).toContain(en.deleteDescription)
+    expect(document.activeElement).toBe(within(dialog).getByRole('button', { name: en.cancel }))
+    expect(mutate).not.toHaveBeenCalled()
+    fireEvent.click(within(dialog).getByRole('button', { name: en.cancel }))
+    expect(screen.queryByRole('dialog', { name: en.deleteTitle })).toBeNull()
+    expect(mutate).not.toHaveBeenCalled()
+
+    fireEvent.click(screen.getAllByText(en.remove)[0] as HTMLElement)
+    fireEvent.click(within(screen.getByRole('dialog', { name: en.deleteTitle }))
+      .getByRole('button', { name: en.close }))
+    expect(screen.queryByRole('dialog', { name: en.deleteTitle })).toBeNull()
+    expect(mutate).not.toHaveBeenCalled()
+
+    fireEvent.click(screen.getAllByText(en.remove)[0] as HTMLElement)
+    fireEvent.click(within(screen.getByRole('dialog', { name: en.deleteTitle }))
+      .getByRole('button', { name: en.deleteConfirm }))
     await waitFor(() => { expect(mutate).toHaveBeenCalledTimes(1) })
+    expect(screen.queryByRole('dialog', { name: en.deleteTitle })).toBeNull()
     expect(replace).not.toHaveBeenCalled()
     expect(mutate.mock.calls[0]?.[0]).toEqual({
       ns: 'llm-pi-ai',
@@ -482,6 +499,28 @@ describe('ModelsSection', () => {
     })
   })
 
+  it('blocks duplicate deletion while the confirmed removal is pending', async () => {
+    let resolveRemoval!: (response: RpcResponse<SettingsNamespaceView>) => void
+    const mutate = vi.fn(() => new Promise<RpcResponse<SettingsNamespaceView>>((resolve) => {
+      resolveRemoval = resolve
+    }))
+    await mountSection({ mutate })
+    fireEvent.click(screen.getAllByText(en.remove)[0] as HTMLElement)
+    const dialog = screen.getByRole('dialog', { name: en.deleteTitle })
+    const confirm = within(dialog).getByRole<HTMLButtonElement>('button', { name: en.deleteConfirm })
+    fireEvent.click(confirm)
+    fireEvent.click(confirm)
+    expect(mutate).toHaveBeenCalledOnce()
+    expect(confirm.disabled).toBe(true)
+    expect(within(dialog).getByRole<HTMLButtonElement>('button', { name: en.cancel }).disabled).toBe(true)
+    expect(within(dialog).getByRole('button', { name: en.deleting })).toBe(confirm)
+    fireEvent.click(within(dialog).getByRole('button', { name: en.close }))
+    expect(screen.getByRole('dialog', { name: en.deleteTitle })).toBe(dialog)
+    expect(mutate).toHaveBeenCalledOnce()
+    await act(async () => { resolveRemoval(ok(wireNamespaces()[2]!)) })
+    await waitFor(() => { expect(screen.queryByRole('dialog', { name: en.deleteTitle })).toBeNull() })
+  })
+
   it('renders the load failure with a retry control', async () => {
     const face = scriptedFace()
     face.face.llm.providers = vi.fn(() => Promise.resolve(fail('directory down', 'internal'))) as never
@@ -589,6 +628,8 @@ describe('ModelsSection', () => {
     // would appear — rather than the row silently staying put.
     await mountSection({ mutate: vi.fn(() => Promise.reject(new Error('the host refused'))) })
     fireEvent.click(screen.getAllByText(en.remove)[0] as HTMLElement)
+    fireEvent.click(within(screen.getByRole('dialog', { name: en.deleteTitle }))
+      .getByRole('button', { name: en.deleteConfirm }))
     await screen.findByText(`${en.loadFailed}: the host refused`)
   })
 
diff --git a/packages/client/ui-models/tests/onboarding-dialog.spec.tsx b/packages/client/ui-models/tests/onboarding-dialog.spec.tsx
index 1d757d340a..07acc89fe4 100644
--- a/packages/client/ui-models/tests/onboarding-dialog.spec.tsx
+++ b/packages/client/ui-models/tests/onboarding-dialog.spec.tsx
@@ -24,8 +24,8 @@ function fail<T>(message: string): RpcResponse<T> {
 
 function harness(options: {
   provider?: boolean
-  providerActive?: boolean
   providerSettingsNs?: string
+  providerActive?: boolean
   settingsNamespace?: boolean
   apiKeyEnv?: string | null
   literal?: boolean
@@ -40,9 +40,7 @@ function harness(options: {
   const face = {
     llm: {
       providers: () => {
-        if (options.providersReject === true) {
-          return Promise.reject(new Error('provider transport unavailable'))
-        }
+        if (options.providersReject === true) return Promise.reject(new Error('provider transport unavailable'))
         return Promise.resolve(ok({
           providers: options.provider === false
             ? []
@@ -91,9 +89,11 @@ function harness(options: {
   }
   const controller = new ModelsSettingsStore(face as never)
   const openSection = vi.fn()
+  const complete = vi.fn()
   const unusedHook = (() => { throw new Error('unused standard hook') }) as never
   const props: DeepSeekOnboardingDialogProps = {
-    active: true,
+    stepId: 'deepseek-official',
+    complete,
     openSection,
     useSessions: unusedHook,
     useWorkspaces: unusedHook,
@@ -101,36 +101,36 @@ function harness(options: {
     useSnapshot: bindSnapshotSelector(controller.store),
     t: key => en[key],
   }
-  return { controller, openSection, props, configure: () => { fileConfigured = true } }
+  return { controller, complete, openSection, props, configure: () => { fileConfigured = true } }
 }
 
 describe('DeepSeekOnboardingDialog', () => {
   it('loads on first entry and presents one accessible route to Models', async () => {
     const h = harness()
     render(<DeepSeekOnboardingDialog {...h.props} />)
-    expect(await screen.findByRole('dialog', { name: en.onboardingTitle })).toBeTruthy()
+    expect(await screen.findByRole('region', { name: en.onboardingTitle })).toBeTruthy()
     expect(screen.getByText(en.onboardingDescription)).toBeTruthy()
     const action = screen.getByRole('button', { name: en.onboardingGoToSettings })
     expect(action).toBeTruthy()
-    expect(document.activeElement).toBe(action)
+    expect(document.activeElement).toBe(screen.getByRole('heading', { name: en.onboardingTitle }))
     expect(screen.queryByRole('textbox')).toBeNull()
   })
 
   it('opens the Models section and dismisses the prompt', async () => {
     const h = harness()
     render(<DeepSeekOnboardingDialog {...h.props} />)
-    await screen.findByRole('dialog')
+    await screen.findByRole('region')
     fireEvent.click(screen.getByRole('button', { name: en.onboardingGoToSettings }))
+    expect(h.complete).toHaveBeenCalledOnce()
     expect(h.openSection).toHaveBeenCalledWith('models')
-    expect(screen.queryByRole('dialog', { name: en.onboardingTitle })).toBeNull()
   })
 
   it('allows configure-later dismissal without opening settings', async () => {
     const h = harness()
     render(<DeepSeekOnboardingDialog {...h.props} />)
-    await screen.findByRole('dialog')
+    await screen.findByRole('region')
     fireEvent.click(screen.getByRole('button', { name: en.onboardingLater }))
-    expect(screen.queryByRole('dialog')).toBeNull()
+    expect(h.complete).toHaveBeenCalledOnce()
     expect(h.openSection).not.toHaveBeenCalled()
   })
 
@@ -146,7 +146,8 @@ describe('DeepSeekOnboardingDialog', () => {
     ]) {
       const view = render(<DeepSeekOnboardingDialog {...h.props} />)
       await act(async () => { await h.controller.load() })
-      expect(screen.queryByRole('dialog')).toBeNull()
+      expect(screen.queryByRole('region')).toBeNull()
+      await waitFor(() => { expect(h.complete).toHaveBeenCalledOnce() })
       expect(h.openSection).not.toHaveBeenCalled()
       view.unmount()
     }
@@ -161,7 +162,8 @@ describe('DeepSeekOnboardingDialog', () => {
     ]) {
       const view = render(<DeepSeekOnboardingDialog {...h.props} />)
       await act(async () => { await h.controller.load() })
-      expect(screen.queryByRole('dialog')).toBeNull()
+      expect(screen.queryByRole('region')).toBeNull()
+      await waitFor(() => { expect(h.complete).toHaveBeenCalledOnce() })
       view.unmount()
     }
   })
@@ -169,18 +171,10 @@ describe('DeepSeekOnboardingDialog', () => {
   it('closes when an external credential invalidation refreshes the shared join', async () => {
     const h = harness()
     render(<DeepSeekOnboardingDialog {...h.props} />)
-    await screen.findByRole('dialog')
+    await screen.findByRole('region')
     h.configure()
     await act(async () => { await h.controller.load() })
-    await waitFor(() => { expect(screen.queryByRole('dialog')).toBeNull() })
-  })
-
-  it('stays hidden while the onboarding owner is inactive', async () => {
-    const h = harness()
-    const view = render(<DeepSeekOnboardingDialog {...h.props} active={false} />)
-    await act(async () => { await h.controller.load() })
-    expect(screen.queryByRole('dialog')).toBeNull()
-    view.rerender(<DeepSeekOnboardingDialog {...h.props} active />)
-    expect(await screen.findByRole('dialog', { name: en.onboardingTitle })).toBeTruthy()
+    await waitFor(() => { expect(screen.queryByRole('region')).toBeNull() })
+    expect(h.complete).toHaveBeenCalledOnce()
   })
 })
diff --git a/packages/client/ui-models/tests/styles.spec.ts b/packages/client/ui-models/tests/styles.spec.ts
new file mode 100644
index 0000000000..478046454b
--- /dev/null
+++ b/packages/client/ui-models/tests/styles.spec.ts
@@ -0,0 +1,13 @@
+import { readFileSync } from 'node:fs'
+import { fileURLToPath } from 'node:url'
+import { describe, expect, it } from 'vitest'
+
+const css = readFileSync(fileURLToPath(new URL('../src/client/ModelsSection.module.css', import.meta.url)), 'utf8')
+
+describe('ModelsSection theme styles', () => {
+  it('uses the shared theme tokens without light-only fallbacks', () => {
+    expect(css).not.toMatch(/var\(--(?:surface|text-|border|accent-strong)/)
+    expect(css).toContain('background: var(--dsw-alias-bg-layer-3)')
+    expect(css).toContain('color: var(--dsw-alias-label-primary)')
+  })
+})
diff --git a/packages/client/ui-permission/README.i18n.yaml b/packages/client/ui-permission/README.i18n.yaml
index 12fef93f39..736b325754 100644
--- a/packages/client/ui-permission/README.i18n.yaml
+++ b/packages/client/ui-permission/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/ui-permission/README.md
-README.md: 3377a1c5907b67b065879b012923427685c106d6
-README.zh.md: 34cf6f72394632968ded1671a5ac0377e5c78cc6
+README.md: 742e82d767152073ab963dc74c0565d6e8f8e5c4
+README.zh.md: e4b39567e4e39d74fd4d527ed2fcfed8d5318a59
diff --git a/packages/client/ui-permission/README.md b/packages/client/ui-permission/README.md
index 3377a1c590..742e82d767 100644
--- a/packages/client/ui-permission/README.md
+++ b/packages/client/ui-permission/README.md
@@ -2,13 +2,15 @@
 
 English | [中文](README.zh.md)
 
-Permission preset selection plugin, browser half: a popupSelect DECORATION hung on the host `/permission` command (`ctx.command.decorate`). A decoration is not a second command — the host command keeps its slash-menu row, the argued path (`/permission <preset>` switches directly), and the durable lifecycle logging; the decoration replaces only the bare invocation with the picker: one flat preset list with the current value marked active and kebab-case preset names rendered as title-case labels (`workspace-write` → `Workspace Write`, the composer chip's display transform twin), where a pick submits the `/permission <preset>` command line. Options and the active mark read the session's `permissions` projection (the same host-computed select the composer chip renders), so both surfaces share one read source and one write path, and the pushed projection frame is the single confirmation both follow. The decoration is available exactly while the projection key is present; a permission-less composition shows no picker (a decoration never manufactures a catalog row).
+Permission browser surfaces for two different lifetimes. The General-settings row reads the explicitly exposed `permission` Settings descriptor, derives its options from the host's dynamic `defaultPreset` enum, and writes one `settings.mutate` path operation with the descriptor revision. Its observable rides the slot system's `hooks` compartment, so the renderer owns React hook binding; a push invalidation refetches the descriptor. This value applies only when a later session is created; changing it does not switch the current session. Choosing Full access requires an explicit risk acknowledgement before the row writes it.
+
+The current-session surface remains a popupSelect DECORATION hung on the host `/permission` command (`ctx.command.decorate`). A decoration is not a second command — the host command keeps its slash-menu row, the argued path (`/permission <preset>` switches directly), and the durable lifecycle logging; the decoration replaces only the bare invocation with the picker: one flat preset list with the current value marked active and kebab-case preset names rendered as title-case labels (`workspace-write` → `Workspace Write`, the composer chip's display transform twin), where a pick submits the `/permission <preset>` command line. Options and the active mark read the session's `permissions` projection (the same host-computed select the composer chip renders), so both current-session surfaces share one read source and one write path, and the pushed projection frame is the single confirmation both follow. The decoration is available exactly while the projection key is present; a permission-less composition shows neither picker nor Settings row.
 
 The `/client` export surface is the plugin body (`apply`/`inject`).
 
 ## Model Experience
 
-Indirectly, through the host `/permission` command the picker submits: a switch appends the whole-value knob events (`permission/preset`, `sandbox/mode`, `approval/policy`), which select the sandbox mode and approval policy later tool calls resolve. Picker interaction adds no prompt content.
+Indirectly, through the permission facts written by its two surfaces: the Settings row causes a future session to start with whole-value knob events (`permission/preset`, `sandbox/mode`, `approval/policy`), while the `/permission` picker appends the same facts when it switches the current session; those events select the sandbox mode and approval policy later tool calls resolve, and picker interaction adds no prompt content.
 
 #### KV Cache effect
 
@@ -16,4 +18,4 @@ No direct invalidation; the knob consumers own any request-prefix changes.
 
 ## Known Limitations and Deferred Work
 
-- **No keyless snapshot exercises the picker yet** — the popup flow is covered by unit specs over fake faces; the assembled-transcript scenario rides the deferred approval/preset e2e work.
+- **The Settings row is Web-only** — non-Web clients may still switch the current session through `/permission`, but do not receive this browser contribution.
diff --git a/packages/client/ui-permission/README.zh.md b/packages/client/ui-permission/README.zh.md
index 34cf6f7239..e4b39567e4 100644
--- a/packages/client/ui-permission/README.zh.md
+++ b/packages/client/ui-permission/README.zh.md
@@ -2,13 +2,15 @@
 
 [English](README.md) | 中文
 
-权限预设选择插件（浏览器半侧）：挂在 host `/permission` 命令上的 popupSelect **装饰**（`ctx.command.decorate`）。装饰不是第二条命令——host 命令保留斜杠菜单行、带参路径（`/permission <preset>` 直接切换）与持久生命周期记账；装饰只把裸调用替换为选择框：一张扁平预设列表，当前值标记为 active，kebab-case 预设名渲染为 Title Case 标签（`workspace-write` → `Workspace Write`，与 composer chip 的显示变换孪生），选中即提交 `/permission <preset>` 命令行。选项与 active 标记读取会话的 `permissions` 投影（与 composer chip 渲染的同一份 host 计算 select），因此两个界面共享同一读源与同一写路径，推送的投影帧是两者共同跟随的唯一确认。装饰恰在投影 key 存在时可用；无权限组合不显示选择框（装饰绝不无中生有目录行）。
+面向两种不同生命周期的浏览器权限界面。「通用」设置行读取显式暴露的 `permission` Settings 描述符，从 host 的动态 `defaultPreset` enum 中推导选项，并携带描述符的 revision 写入一条 `settings.mutate` 路径操作。它的 observable 经 slot 系统的 `hooks` 格传递，因此 React 钩子由渲染器绑定；推送的失效通知会重新获取描述符。这个值仅在后续会话创建时生效；改变它不会切换当前会话。选择 Full access 时必须先显式确认风险，该行随后才会写入。
+
+当前会话界面仍是挂在 host `/permission` 命令上的 popupSelect **装饰**（`ctx.command.decorate`）。装饰不是第二条命令——host 命令保留斜杠菜单行、带参路径（`/permission <preset>` 直接切换）与持久生命周期记账；装饰只把裸调用替换为选择框：一张扁平预设列表，当前值标记为 active，kebab-case 预设名渲染为 Title Case 标签（`workspace-write` → `Workspace Write`，与 composer chip 的显示变换孪生），选中即提交 `/permission <preset>` 命令行。选项与 active 标记读取会话的 `permissions` 投影（与 composer chip 渲染的同一份 host 计算 select），因此两个当前会话界面共享同一读源与同一写路径，推送的投影帧是两者共同跟随的唯一确认。装饰恰在投影 key 存在时可用；无权限组合既不显示选择框，也不显示 Settings 行。
 
 `/client` 导出面为插件本体（`apply`/`inject`）。
 
 ## Model Experience
 
-间接影响，经由选择框提交的 host `/permission` 命令：一次切换追加全量值旋钮事件（`permission/preset`、`sandbox/mode`、`approval/policy`），决定后续工具调用解析到的沙箱模式与审批策略。选择框交互本身不添加任何提示词内容。
+通过两个界面写入的权限事实间接影响：Settings 行使未来会话带着全量值旋钮事件（`permission/preset`、`sandbox/mode`、`approval/policy`）启动，而 `/permission` 选择框切换当前会话时会追加相同的事实；这些事件决定后续工具调用解析到的沙箱模式与审批策略，选择框交互本身不添加任何提示词内容。
 
 #### KV Cache effect
 
@@ -16,4 +18,4 @@
 
 ## Known Limitations and Deferred Work
 
-- **尚无无密钥快照覆盖选择框** —— popup 流程由基于 fake face 的单元 spec 覆盖；组装态转写场景随延后的审批/预设 e2e 工作一并补齐。
+- **Settings 行仅在 Web 中可用**：非 Web 客户端仍可通过 `/permission` 切换当前会话，但不会获得这项浏览器贡献。
diff --git a/packages/client/ui-permission/package.json b/packages/client/ui-permission/package.json
index cee54f104c..33813d5af1 100644
--- a/packages/client/ui-permission/package.json
+++ b/packages/client/ui-permission/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@deepseek-ai/dsh-client-ui-permission",
-  "description": "Permission preset selection: the /permission popupSelect over the permissions projection and the host /permission command",
+  "description": "Permission surfaces: a new-session default in General settings and a current-session /permission popup over the permissions projection",
   "version": "0.0.1",
   "private": true,
   "type": "module",
@@ -24,6 +24,8 @@
   },
   "dshClient": {
     "inject": [
+      "@deepseek-ai/dsh-client-connection",
+      "@deepseek-ai/dsh-client-locale",
       "@deepseek-ai/dsh-client-runtime",
       "@deepseek-ai/dsh-client-ui-command"
     ],
@@ -35,20 +37,34 @@
   },
   "license": "BSD-3-Clause",
   "peerDependencies": {
+    "@deepseek-ai/dsh-client-connection": "^0.0.1",
+    "@deepseek-ai/dsh-client-locale": "^0.0.1",
     "@deepseek-ai/dsh-client-runtime": "^0.0.1",
+    "@deepseek-ai/dsh-client-schema-form": "^0.0.1",
     "@deepseek-ai/dsh-client-ui-command": "^0.0.1",
+    "@deepseek-ai/dsh-client-ui-primitives": "^0.0.1",
     "@deepseek-ai/dsh-client-ui-slash": "^0.0.1",
+    "@deepseek-ai/dsh-client-ui-slots": "^0.0.1",
     "@deepseek-ai/dsh-invariants": "^0.0.1",
     "@deepseek-ai/dsh-permission": "^0.0.1",
-    "cordis": "^4.0.0-rc.7"
+    "cordis": "^4.0.0-rc.7",
+    "react": "^18.2.0"
   },
   "devDependencies": {
+    "@deepseek-ai/dsh-client-connection": "workspace:^",
+    "@deepseek-ai/dsh-client-locale": "workspace:^",
     "@deepseek-ai/dsh-client-runtime": "workspace:^",
+    "@deepseek-ai/dsh-client-schema-form": "workspace:^",
     "@deepseek-ai/dsh-client-ui-command": "workspace:^",
+    "@deepseek-ai/dsh-client-ui-primitives": "workspace:^",
     "@deepseek-ai/dsh-client-ui-slash": "workspace:^",
+    "@deepseek-ai/dsh-client-ui-slots": "workspace:^",
+    "@deepseek-ai/dsh-client-web-react": "workspace:^",
     "@deepseek-ai/dsh-invariants": "workspace:^",
     "@deepseek-ai/dsh-permission": "workspace:^",
-    "cordis": "^4.0.0-rc.7"
+    "@types/react": "~18.3.1",
+    "cordis": "^4.0.0-rc.7",
+    "react": "^18.2.0"
   },
   "files": [
     "lib/index.js",
diff --git a/packages/client/ui-permission/src/client/PermissionRow.module.css b/packages/client/ui-permission/src/client/PermissionRow.module.css
new file mode 100644
index 0000000000..b7a11bed6a
--- /dev/null
+++ b/packages/client/ui-permission/src/client/PermissionRow.module.css
@@ -0,0 +1,60 @@
+/* Permission row: title/description plus the preset selector pill. */
+
+.row {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 16px 0;
+  border-bottom: 1px solid var(--dsw-alias-border-l2);
+}
+
+.rowText {
+  flex: 1;
+  min-width: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  padding-right: 48px;
+}
+
+.title {
+  font-size: 14px;
+  font-weight: 400;
+  line-height: 22px;
+  color: var(--dsw-alias-label-primary);
+}
+
+.desc {
+  font-size: 12px;
+  font-weight: 400;
+  line-height: 18px;
+  color: var(--dsw-alias-label-tertiary);
+}
+
+.selector {
+  display: inline-flex;
+  align-items: center;
+  gap: 12px;
+  height: 36px;
+  padding: 0 14px;
+  border: none;
+  border-radius: 18px;
+  background: var(--dsw-alias-bg-module-platform);
+  font: inherit;
+  font-size: 14px;
+  line-height: 22px;
+  color: var(--dsw-alias-label-primary);
+  cursor: pointer;
+}
+
+.selector:hover:not(:disabled) {
+  background: var(--dsw-alias-interactive-bg-hover);
+}
+
+.selector:disabled {
+  cursor: default;
+}
+
+.chevron {
+  flex: none;
+}
diff --git a/packages/client/ui-permission/src/client/PermissionRow.tsx b/packages/client/ui-permission/src/client/PermissionRow.tsx
new file mode 100644
index 0000000000..ae8c8bafe7
--- /dev/null
+++ b/packages/client/ui-permission/src/client/PermissionRow.tsx
@@ -0,0 +1,133 @@
+/**
+ * Permission preference row: the default preset for subsequently created
+ * sessions. Current-session switches remain on the composer `/permission`
+ * control.
+ */
+
+import { useEffect, useState } from 'react'
+import type { SnapshotStore } from '@deepseek-ai/dsh-client-runtime/client'
+import type { InjectFace, PropsLocale, PropsRuntime } from '@deepseek-ai/dsh-client-ui-slots'
+import {
+  IconChevronDownOutline14, Menu, RiskConfirmation,
+} from '@deepseek-ai/dsh-client-ui-primitives'
+import type { PermissionSettingsState } from './settings-store.ts'
+import type { PermissionSettingsKey } from './locales.ts'
+import { FULL_ACCESS_PRESET } from './presentation.ts'
+import css from './PermissionRow.module.css'
+
+/** Registration-side business face for the host-backed preference. */
+export interface PermissionRowInjected {
+  hooks: {
+    /** Permission settings snapshot bound by the renderer as usePermission. */
+    permission: SnapshotStore<PermissionSettingsState>
+  }
+  /** Load the descriptor when the row first renders. */
+  load: () => Promise<void>
+  /** Persist one advertised preset. */
+  select: (preset: string) => Promise<void>
+}
+
+/** Full component props. */
+export type PermissionRowProps =
+  PropsRuntime<'settings.general.item'>
+  & PropsLocale<'settings.permission'>
+  & InjectFace<PermissionRowInjected>
+
+/**
+ * Render the new-session Permission default selector.
+ * @param props - composed slot props.
+ * @returns the row, or null when the host does not expose permission settings.
+ */
+export function PermissionRow({ load, select, usePermission, t }: PermissionRowProps) {
+  const state = usePermission(snapshot => snapshot)
+  const [open, setOpen] = useState(false)
+  const [confirmingFullAccess, setConfirmingFullAccess] = useState(false)
+  const [acknowledged, setAcknowledged] = useState(false)
+
+  useEffect(() => {
+    void load()
+  }, [load])
+
+  useEffect(() => {
+    if (state.writable && state.status !== 'unavailable') return
+    setOpen(false)
+    setAcknowledged(false)
+    setConfirmingFullAccess(false)
+  }, [state.status, state.writable])
+
+  if (state.status === 'unavailable') return null
+  const selected = state.options.find(option => option.id === state.currentValue)
+  const busy = state.status === 'loading' || state.status === 'saving' || confirmingFullAccess
+  const label = selected?.label
+    ?? (busy ? t('loading') : t('unavailable'))
+  const description: string = state.error ?? t('description')
+
+  return (
+    <>
+      <div className={css.row}>
+        <div className={css.rowText}>
+          <div className={css.title}>{t('title')}</div>
+          <div className={css.desc} role={state.error === null ? undefined : 'alert'}>{description}</div>
+        </div>
+        <Menu
+          open={open}
+          onClose={() => { setOpen(false) }}
+          items={state.options.map(option => ({ id: option.id, label: option.label }))}
+          selectedId={state.currentValue}
+          onSelect={(id) => {
+            setOpen(false)
+            if (id === state.currentValue) return
+            if (id === FULL_ACCESS_PRESET) {
+              setAcknowledged(false)
+              setConfirmingFullAccess(true)
+              return
+            }
+            void select(id)
+          }}
+          align="end"
+          portal
+          anchor={(
+            <button
+              type="button"
+              className={css.selector}
+              aria-haspopup="menu"
+              aria-expanded={open}
+              disabled={busy || !state.writable || state.options.length === 0}
+              onClick={() => { setOpen(value => !value) }}
+            >
+              {label}
+              <IconChevronDownOutline14 className={css.chevron} />
+            </button>
+          )}
+        />
+      </div>
+      <RiskConfirmation
+        open={confirmingFullAccess}
+        title={t('confirm.title')}
+        description={t('confirm.description')}
+        acknowledgeLabel={t('confirm.acknowledge')}
+        cancelLabel={t('confirm.cancel')}
+        confirmLabel={t('confirm.enable')}
+        acknowledged={acknowledged}
+        disabled={!state.writable || state.status === 'saving'}
+        onAcknowledgedChange={setAcknowledged}
+        onCancel={() => {
+          setAcknowledged(false)
+          setConfirmingFullAccess(false)
+        }}
+        onConfirm={() => {
+          setAcknowledged(false)
+          setConfirmingFullAccess(false)
+          void select(FULL_ACCESS_PRESET)
+        }}
+      />
+    </>
+  )
+}
+
+declare module '@deepseek-ai/dsh-client-ui-slots' {
+  interface LocaleNamespaceMap {
+    /** Permission row copy. */
+    'settings.permission': PermissionSettingsKey
+  }
+}
diff --git a/packages/client/ui-permission/src/client/index.ts b/packages/client/ui-permission/src/client/index.ts
index 30fc6d2dd5..d6cd286959 100644
--- a/packages/client/ui-permission/src/client/index.ts
+++ b/packages/client/ui-permission/src/client/index.ts
@@ -8,41 +8,66 @@
  * projection (the same host-computed select the composer chip renders); a
  * pick submits the `/permission <preset>` command line, so both surfaces
  * write through one path and the pushed projection frame is the one
- * confirmation.
+ * confirmation. The Full access row carries the same explicit risk gate as
+ * the composer chip; the shared popup shell owns the modal mechanics.
+ * The General-settings row separately writes the default preset for sessions
+ * created later through the host Settings API.
  */
+import type { ConnectionHandle } from '@deepseek-ai/dsh-client-connection/client'
+// Type-only: pulls the locale plugin's Context merge (ctx.locale).
+import type {} from '@deepseek-ai/dsh-client-locale/client'
 import type { ClientContext, SessionFace } from '@deepseek-ai/dsh-client-runtime/client'
 import type { CommandServiceContract, SelectOption } from '@deepseek-ai/dsh-client-ui-command/client'
 import type { ClientSessionContext } from '@deepseek-ai/dsh-client-ui-slash/client'
+import { deferRegistration } from '@deepseek-ai/dsh-client-ui-slots'
 import type { PermissionSelect } from '@deepseek-ai/dsh-permission/client'
+import { PermissionRow } from './PermissionRow.tsx'
+import type { PermissionRowInjected } from './PermissionRow.tsx'
+import {
+  accessEn, accessZh, en, zh,
+} from './locales.ts'
+import {
+  displayPermissionPreset, FULL_ACCESS_PRESET,
+} from './presentation.ts'
+import {
+  PERMISSION_SETTINGS_NS, PermissionSettingsController, refreshPermissionIfLoaded,
+} from './settings-store.ts'
+
+export type { PermissionRowInjected, PermissionRowProps } from './PermissionRow.tsx'
+export type {
+  PermissionDefaultOption, PermissionSettingsState,
+} from './settings-store.ts'
 
 /** Required services (cordis fiber inject). */
-export const inject = ['command', 'sessions']
+export const inject = ['command', 'sessions', 'slots', 'locale', 'connection']
+
+const ACCESS_NS = 'permission.access'
 
 /** Read one session's current permissions projection value (undefined = capability absent). */
 function selectOf(session: SessionFace | undefined): PermissionSelect | undefined {
   return session?.projections.faceOf('permissions').getSnapshot() as PermissionSelect | undefined
 }
 
-/**
- * Display transform twin of the composer chip's (ui-conversation
- * PermissionSelect): kebab-case machine names render as title-case labels
- * (`workspace-write` → `Workspace Write`) so both permission surfaces show
- * the same text; non-kebab host-configured names pass through.
- */
-function displayName(name: string): string {
-  if (!/^[a-z0-9]+(-[a-z0-9]+)*$/.test(name)) return name
-  return name.split('-').map(word => word.charAt(0).toUpperCase() + word.slice(1)).join(' ')
-}
-
 /** Flatten the projection select into popup rows; `custom` is display state, never a target. */
-function optionsOf(value: PermissionSelect): SelectOption[] {
+function optionsOf(value: PermissionSelect, t: (key: string) => string): SelectOption[] {
   return value.options
     .filter(option => option.value !== 'custom')
     .map(option => ({
       id: option.value,
-      label: displayName(option.name),
+      label: displayPermissionPreset(option.value, option.name),
       ...(option.description !== undefined ? { detail: option.description } : {}),
       ...(option.value === value.currentValue ? { active: true } : {}),
+      ...(option.value === FULL_ACCESS_PRESET
+        ? {
+          confirmation: {
+            title: t('confirm.title'),
+            description: t('confirm.description'),
+            acknowledgeLabel: t('confirm.acknowledge'),
+            cancelLabel: t('confirm.cancel'),
+            confirmLabel: t('confirm.enable'),
+          },
+        }
+        : {}),
     }))
 }
 
@@ -54,8 +79,72 @@ function optionsOf(value: PermissionSelect): SelectOption[] {
 export function apply(ctx: ClientContext): void {
   const command = ctx.get('command') as CommandServiceContract
   const sessions = ctx.sessions
+  // This optional bundle and ui-conversation can load independently, so each
+  // owns the same safety copy under its own locale namespace.
+  /* jscpd:ignore-start */
+  ctx.effect(() => {
+    const disposers = [
+      ctx.locale.register(ACCESS_NS, 'zh', {
+        'confirm.title': accessZh['confirm.title'],
+        'confirm.description': accessZh['confirm.description'],
+        'confirm.acknowledge': accessZh['confirm.acknowledge'],
+        'confirm.cancel': accessZh['confirm.cancel'],
+        'confirm.enable': accessZh['confirm.enable'],
+      }),
+      ctx.locale.register(ACCESS_NS, 'en', {
+        'confirm.title': accessEn['confirm.title'],
+        'confirm.description': accessEn['confirm.description'],
+        'confirm.acknowledge': accessEn['confirm.acknowledge'],
+        'confirm.cancel': accessEn['confirm.cancel'],
+        'confirm.enable': accessEn['confirm.enable'],
+      }),
+    ]
+    return () => { for (const dispose of disposers) dispose() }
+  }, 'ui-permission: Full access confirmation dictionaries')
+  /* jscpd:ignore-end */
+  const t = ctx.locale.bind(ACCESS_NS)
   const sessionFor = (session: ClientSessionContext): SessionFace | undefined =>
     sessions.binding(session.sessionId)?.session
+
+  ctx.effect(() => ctx.locale.register('settings.permission', { zh, en }), 'ui-permission: settings row dictionaries')
+
+  const connection = ctx.get('connection') as ConnectionHandle
+  const controller = new PermissionSettingsController(connection.api)
+  const load = (): Promise<void> => controller.load()
+  const select = (preset: string): Promise<void> => controller.select(preset)
+  const injected = (): PermissionRowInjected => ({
+    hooks: { permission: controller.store },
+    load,
+    select,
+  })
+
+  ctx.effect(() => {
+    const refresh = (ns?: string): void => {
+      if (ns !== undefined && ns !== PERMISSION_SETTINGS_NS) return
+      refreshPermissionIfLoaded(controller)
+    }
+    const disposers = [
+      ctx.on('settings/changed', refresh),
+      ctx.on('connection/reset', () => { refresh() }),
+    ]
+    return () => {
+      controller.dispose()
+      for (const dispose of disposers) dispose()
+    }
+  }, 'ui-permission: settings invalidations')
+
+  ctx.effect(() => {
+    const row = deferRegistration(ctx.slots, 'settings.general.item', PermissionRow, () =>
+      ctx.slots.register({
+        name: 'settings.general.item',
+        id: 'permission',
+        order: -20,
+        locale: 'settings.permission',
+        inject: injected,
+      }, PermissionRow))
+    return () => { row.dispose() }
+  }, 'ui-permission: General settings row')
+
   ctx.effect(() => command.decorate({
     name: 'permission',
     // The picker exists exactly while the projection does: a permission-less
@@ -67,7 +156,7 @@ export function apply(ctx: ClientContext): void {
       options: (session) => {
         const value = selectOf(sessionFor(session))
         if (value === undefined) throw new Error('permission presets are not available on this host')
-        return Promise.resolve(optionsOf(value))
+        return Promise.resolve(optionsOf(value, t))
       },
       onSelect: async (option, session) => {
         const live = sessionFor(session)
diff --git a/packages/client/ui-permission/src/client/locales.ts b/packages/client/ui-permission/src/client/locales.ts
new file mode 100644
index 0000000000..3920a7a1ff
--- /dev/null
+++ b/packages/client/ui-permission/src/client/locales.ts
@@ -0,0 +1,51 @@
+/** `settings.permission` namespace dictionaries (the Permission row's copy). */
+
+/** Simplified Chinese dictionary (the key-set source of truth). */
+export const zh = {
+  'title': '权限',
+  'description': '选择新会话的默认权限模式',
+  'loading': '加载中',
+  'unavailable': '不可用',
+  'confirm.title': '确认启用 Full access？',
+  'confirm.description': '启用 Full access 后，新会话将减少确认步骤，并且可以直接执行更多操作，包括敏感操作、文件修改或外部命令。仅建议在你信任后续任务时使用。',
+  'confirm.acknowledge': '我已了解风险，并愿意继续',
+  'confirm.cancel': '取消',
+  'confirm.enable': '启用 Full access',
+} satisfies Record<string, string>
+
+/** The settings.permission namespace key union. */
+export type PermissionSettingsKey = keyof typeof zh
+
+/** English dictionary, checked complete against the zh key set. */
+export const en = {
+  'title': 'Permission',
+  'description': 'Choose the default permission mode for new sessions',
+  'loading': 'Loading',
+  'unavailable': 'Unavailable',
+  'confirm.title': 'Enable Full access?',
+  'confirm.description': 'Full access lets new sessions reduce confirmation steps and perform more actions directly, including sensitive operations, file changes, or external commands. Only use it when you trust subsequent tasks.',
+  'confirm.acknowledge': 'I understand the risks and want to continue',
+  'confirm.cancel': 'Cancel',
+  'confirm.enable': 'Enable Full access',
+} satisfies Record<PermissionSettingsKey, string>
+
+/** Simplified Chinese dictionary for the current-session popup gate. */
+export const accessZh = {
+  'confirm.title': '确认启用 Full access？',
+  'confirm.description': '启用 Full access 后，agent 将减少确认步骤，并且可以直接执行更多操作，包括敏感操作、文件修改或外部命令。仅建议在你信任当前任务时使用。',
+  'confirm.acknowledge': '我已了解风险，并愿意继续',
+  'confirm.cancel': '取消',
+  'confirm.enable': '启用 Full access',
+} satisfies Record<string, string>
+
+/** Current-session popup-gate key union. */
+export type PermissionAccessKey = keyof typeof accessZh
+
+/** English dictionary for the current-session popup gate. */
+export const accessEn = {
+  'confirm.title': 'Enable Full access?',
+  'confirm.description': 'Full access reduces confirmation steps and lets the agent perform more actions directly, including sensitive operations, file changes, or external commands. Only use it when you trust the current task.',
+  'confirm.acknowledge': 'I understand the risks and want to continue',
+  'confirm.cancel': 'Cancel',
+  'confirm.enable': 'Enable Full access',
+} satisfies Record<PermissionAccessKey, string>
diff --git a/packages/client/ui-permission/src/client/presentation.ts b/packages/client/ui-permission/src/client/presentation.ts
new file mode 100644
index 0000000000..ab1b9a5345
--- /dev/null
+++ b/packages/client/ui-permission/src/client/presentation.ts
@@ -0,0 +1,22 @@
+/** Machine value of the preset that requires an explicit GUI risk gate. */
+export const FULL_ACCESS_PRESET = 'danger-full-access'
+
+/**
+ * Convert conventional kebab-case preset names into user-facing title case.
+ * @param name - host-supplied preset label or key.
+ * @returns the title-cased conventional key, or a non-kebab label unchanged.
+ */
+export function displayPresetName(name: string): string {
+  if (!/^[a-z0-9]+(-[a-z0-9]+)*$/.test(name)) return name
+  return name.split('-').map(word => word.charAt(0).toUpperCase() + word.slice(1)).join(' ')
+}
+
+/**
+ * Render a permission preset under its product label.
+ * @param value - preset machine value.
+ * @param name - host-supplied preset name.
+ * @returns the Full access product label or the conventional display name.
+ */
+export function displayPermissionPreset(value: string, name: string): string {
+  return value === FULL_ACCESS_PRESET ? 'Full access' : displayPresetName(name)
+}
diff --git a/packages/client/ui-permission/src/client/settings-store.ts b/packages/client/ui-permission/src/client/settings-store.ts
new file mode 100644
index 0000000000..7d4bf864c1
--- /dev/null
+++ b/packages/client/ui-permission/src/client/settings-store.ts
@@ -0,0 +1,191 @@
+/**
+ * Permission default-settings controller. The host descriptor supplies the
+ * current value and the dynamic preset enum; writes target only
+ * `defaultPreset` and carry the descriptor revision.
+ */
+
+import type {
+  IApiClient, SettingsNamespaceView,
+} from '@deepseek-ai/dsh-client-connection/client'
+import {
+  createSnapshotStore, type SnapshotStore,
+} from '@deepseek-ai/dsh-client-runtime/client'
+import {
+  nodeAtPath, rehydrateSchema, type SchemaNode,
+} from '@deepseek-ai/dsh-client-schema-form'
+import { displayPermissionPreset } from './presentation.ts'
+
+/** Permission's settings namespace on the host wire. */
+export const PERMISSION_SETTINGS_NS = 'permission'
+
+/** One selectable new-session default. */
+export interface PermissionDefaultOption {
+  /** Preset key written to Settings. */
+  id: string
+  /** Host-supplied label or a title-cased preset key. */
+  label: string
+}
+
+/** Permission settings-row snapshot. */
+export interface PermissionSettingsState {
+  status: 'idle' | 'loading' | 'ready' | 'saving' | 'unavailable' | 'error'
+  error: string | null
+  writable: boolean
+  currentValue: string
+  options: readonly PermissionDefaultOption[]
+  revision: number
+}
+
+interface ConstChoice {
+  type: string
+  value?: unknown
+  meta?: { description?: unknown }
+}
+
+/**
+ * Read the dynamic preset enum encoded by the host's `defaultPreset` schema.
+ * @param view - permission namespace descriptor.
+ * @returns current value and selectable options.
+ */
+export function permissionDefaultOf(view: SettingsNamespaceView): {
+  currentValue: string
+  options: PermissionDefaultOption[]
+} {
+  const value = (view.value as { defaultPreset?: unknown } | null)?.defaultPreset
+  if (typeof value !== 'string') throw new Error('permission settings has no defaultPreset value')
+  const node = nodeAtPath(rehydrateSchema(view.schema), ['defaultPreset'])
+  if (node === undefined) throw new Error('permission settings schema has no defaultPreset field')
+  const rawChoices = node.type === 'union'
+    ? (node.list as SchemaNode[] | undefined) ?? []
+    : [node]
+  const options = rawChoices.flatMap((candidate) => {
+    const choice = candidate as unknown as ConstChoice
+    if (choice.type !== 'const' || typeof choice.value !== 'string') return []
+    const described = choice.meta?.description
+    return [{
+      id: choice.value,
+      label: typeof described === 'string' && described.length > 0
+        ? displayPermissionPreset(choice.value, described)
+        : displayPermissionPreset(choice.value, choice.value),
+    }]
+  })
+  if (options.length === 0 || !options.some(option => option.id === value)) {
+    throw new Error('permission settings schema does not advertise its current preset')
+  }
+  return { currentValue: value, options }
+}
+
+/** Controller joining Settings reads, writes, and pushed invalidations. */
+export class PermissionSettingsController {
+  /** Row snapshot consumed through a bound selector hook. */
+  readonly store: SnapshotStore<PermissionSettingsState> = createSnapshotStore({
+    status: 'idle',
+    error: null,
+    writable: false,
+    currentValue: '',
+    options: [],
+    revision: 0,
+  })
+
+  private generation = 0
+  private view: SettingsNamespaceView | undefined
+
+  /** @param api - Settings wire face. */
+  constructor(private readonly api: Pick<IApiClient, 'settings'>) {}
+
+  /**
+   * Refresh the permission descriptor. Latest request wins.
+   * @returns nothing; {@link store} carries success or failure.
+   */
+  async load(): Promise<void> {
+    const generation = ++this.generation
+    this.store.update((state) => {
+      state.status = 'loading'
+      state.error = null
+    })
+    try {
+      const response = await this.api.settings.describe({})
+      if (!response.result.ok) throw new Error(response.result.error.message)
+      if (generation !== this.generation) return
+      const view = response.result.value.namespaces.find(entry => entry.ns === PERMISSION_SETTINGS_NS)
+      if (view === undefined) {
+        this.view = undefined
+        this.store.update((state) => {
+          state.status = 'unavailable'
+          state.writable = false
+          state.currentValue = ''
+          state.options = []
+        })
+        return
+      }
+      this.accept(view, response.result.value.writable)
+    } catch (error) {
+      if (generation !== this.generation) return
+      this.fail(error)
+    }
+  }
+
+  /**
+   * Persist one preset as the default for subsequently created sessions.
+   * @param preset - advertised preset key.
+   * @returns nothing; {@link store} carries success or failure.
+   */
+  async select(preset: string): Promise<void> {
+    const view = this.view
+    const state = this.store.getSnapshot()
+    if (view === undefined || !state.writable) return
+    const generation = ++this.generation
+    this.store.update((draft) => {
+      draft.status = 'saving'
+      draft.error = null
+    })
+    try {
+      const response = await this.api.settings.mutate({
+        ns: PERMISSION_SETTINGS_NS,
+        ops: [{ op: 'set', path: ['defaultPreset'], value: preset }],
+        expectedRevision: view.revision,
+      })
+      if (generation !== this.generation) return
+      if (!response.result.ok) throw new Error(response.result.error.message)
+      this.accept(response.result.value, true)
+    } catch (error) {
+      if (generation !== this.generation) return
+      this.fail(error)
+    }
+  }
+
+  /** Stop in-flight responses from publishing after plugin disposal. */
+  dispose(): void {
+    this.generation += 1
+    this.view = undefined
+  }
+
+  private accept(view: SettingsNamespaceView, writable: boolean): void {
+    const resolved = permissionDefaultOf(view)
+    this.view = view
+    this.store.update((state) => {
+      state.status = 'ready'
+      state.error = null
+      state.writable = writable
+      state.currentValue = resolved.currentValue
+      state.options = resolved.options
+      state.revision = view.revision
+    })
+  }
+
+  private fail(error: unknown): void {
+    this.store.update((state) => {
+      state.status = 'error'
+      state.error = error instanceof Error ? error.message : String(error)
+    })
+  }
+}
+
+/**
+ * Refetch only after the row has opened once.
+ * @param controller - permission settings controller.
+ */
+export function refreshPermissionIfLoaded(controller: PermissionSettingsController): void {
+  if (controller.store.getSnapshot().status === 'idle') return
+  void controller.load()
+}
diff --git a/packages/client/ui-permission/src/css-modules.d.ts b/packages/client/ui-permission/src/css-modules.d.ts
new file mode 100644
index 0000000000..8811db1264
--- /dev/null
+++ b/packages/client/ui-permission/src/css-modules.d.ts
@@ -0,0 +1,4 @@
+declare module '*.module.css' {
+  const classes: Record<string, string>
+  export default classes
+}
diff --git a/packages/client/ui-permission/src/index.ts b/packages/client/ui-permission/src/index.ts
index 5359562972..5c28cd69b2 100644
--- a/packages/client/ui-permission/src/index.ts
+++ b/packages/client/ui-permission/src/index.ts
@@ -1,8 +1,8 @@
 /**
- * Permission preset selection plugin, node half. Pure UI plugin: the empty
- * apply exists so the plugin appears in the host cordis.yml / Loader; the
- * browser half ships via exports["./client"], discovered through the
- * package.json dshClient declaration.
+ * Permission surfaces plugin, node half. The empty apply exists so the plugin
+ * appears in the host cordis.yml / Loader; the browser half ships the
+ * new-session Settings row and current-session command picker through
+ * exports["./client"], discovered from the package.json dshClient declaration.
  */
 
 /** Host plugin body — no host-side behavior for this surface plugin. */
diff --git a/packages/client/ui-permission/src/invariant.ts b/packages/client/ui-permission/src/invariant.ts
index c0fd33a80b..1c3f7d6500 100644
--- a/packages/client/ui-permission/src/invariant.ts
+++ b/packages/client/ui-permission/src/invariant.ts
@@ -15,9 +15,9 @@ export const name = 'client-ui-permission-invariant'
 export const inject = ['invariants']
 
 /**
- * No runtime invariant: a single command contribution registration whose disposal is
- * proven by the HMR-safety spec — it emits no cordis events and owns no
- * cross-plugin mutable state.
+ * No runtime invariant: the command and slot contribution lifecycles are
+ * proven by the HMR-safety spec, while the browser-only Settings controller
+ * owns no host events or cross-plugin mutable state.
  */
 const install: InvariantInstaller = () => {}
 
diff --git a/packages/client/ui-permission/tests/browser-plugin.spec.ts b/packages/client/ui-permission/tests/browser-plugin.spec.ts
index 5f9125db53..fea56a413a 100644
--- a/packages/client/ui-permission/tests/browser-plugin.spec.ts
+++ b/packages/client/ui-permission/tests/browser-plugin.spec.ts
@@ -5,14 +5,20 @@
  * the current value active and `custom` excluded; availability follows the
  * projection key's presence; a pick submits the /permission line through
  * Session.command and surfaces rejection/unmatched as thrown errors; fiber
- * disposal removes the contribution (HMR safety).
+ * disposal removes the contribution (HMR safety). The same plugin registers
+ * its Settings row and invalidates that row on host settings changes.
  */
 import { Context } from 'cordis'
 import { describe, expect, it } from 'vitest'
-import type { SessionId } from '@deepseek-ai/dsh-client-runtime/client'
+import { SlotsService, type SessionId } from '@deepseek-ai/dsh-client-runtime/client'
+import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
 import type { CommandDecoration } from '@deepseek-ai/dsh-client-ui-command/client'
 import type { PermissionSelect } from '@deepseek-ai/dsh-permission/client'
+import {
+  PermissionRow, type PermissionRowInjected,
+} from '../src/client/PermissionRow.tsx'
 import { apply, inject } from '../src/client/index.ts'
+import { accessEn } from '../src/client/locales.ts'
 
 const sid = (k: string): SessionId => k as SessionId
 
@@ -27,6 +33,27 @@ const SELECT: PermissionSelect = {
 
 async function bench() {
   const ctx = new Context()
+  await ctx.plugin(SlotsService)
+  const locale = new LocaleService(ctx)
+  locale.setLocale('en')
+  ctx.provide('locale', locale)
+  ctx.slots.register({
+    name: 'root',
+    children: {
+      'settings.general.item': { kind: 'list', scope: 'root' },
+    },
+  } as never, () => null)
+  ctx.provide('connection', {
+    api: {
+      settings: {
+        describe: () => Promise.resolve({
+          rpcId: 'describe',
+          result: { ok: true as const, value: { writable: true, namespaces: [] } },
+        }),
+        mutate: () => Promise.reject(new Error('settings mutation is not exercised')),
+      },
+    },
+  } as never)
   let decoration: CommandDecoration | undefined
   ctx.provide('command', {
     decorate(c: CommandDecoration) {
@@ -60,6 +87,8 @@ async function bench() {
     ctx, fiber, values, commands,
     setResult: (r: { ok: boolean; matched?: boolean }) => { commandResult = r },
     decoration: () => decoration,
+    permissionRow: () => ctx.slots.entries('settings.general.item')
+      .find(entry => entry.component === PermissionRow),
   }
 }
 
@@ -69,6 +98,14 @@ describe('ui-permission browser plugin', () => {
     const c = b.decoration()!
     expect(c.name).toBe('permission')
     expect(c.ui.kind).toBe('popupSelect')
+    const row = b.permissionRow()!
+    expect(row.options).toEqual({ id: 'permission', order: -20 })
+    const injected = row.inject?.() as PermissionRowInjected | undefined
+    expect(injected?.hooks.permission).toBeDefined()
+    expect(typeof injected?.load).toBe('function')
+    expect(typeof injected?.select).toBe('function')
+    await injected!.load()
+    await injected!.select('read-only')
   })
 
   it('availability follows the projection key; options mark the current value active and exclude custom', async () => {
@@ -86,7 +123,14 @@ describe('ui-permission browser plugin', () => {
     expect(again.find(option => option.id === 'workspace-write')?.active).toBe(true)
     expect(again.find(option => option.id === 'read-only')?.detail).toBe('Reads only.')
     // Kebab-case names title-case; non-kebab host-configured names pass through.
-    expect(again.map(option => option.label)).toEqual(['Read Only', 'Workspace Write', 'Danger Full Access'])
+    expect(again.map(option => option.label)).toEqual(['Read Only', 'Workspace Write', 'Full access'])
+    expect(again.find(option => option.id === 'danger-full-access')?.confirmation).toEqual({
+      title: 'Enable Full access?',
+      description: accessEn['confirm.description'],
+      acknowledgeLabel: 'I understand the risks and want to continue',
+      cancelLabel: 'Cancel',
+      confirmLabel: 'Enable Full access',
+    })
     b.values.set(sid('s1'), { ...SELECT, options: [{ value: 'plain', name: 'Ask Every Time' }] })
     const passthrough = await c.ui.options(proj, new AbortController().signal)
     expect(passthrough[0]?.label).toBe('Ask Every Time')
@@ -114,7 +158,11 @@ describe('ui-permission browser plugin', () => {
   it('disposal removes the decoration (HMR safety)', async () => {
     const b = await bench()
     expect(b.decoration()).toBeDefined()
+    b.ctx.emit('settings/changed', 'another')
+    b.ctx.emit('settings/changed', 'permission')
+    b.ctx.emit('connection/reset')
     await b.fiber.dispose()
     expect(b.decoration()).toBeUndefined()
+    expect(b.permissionRow()).toBeUndefined()
   })
 })
diff --git a/packages/client/ui-permission/tests/permission-row.spec.tsx b/packages/client/ui-permission/tests/permission-row.spec.tsx
new file mode 100644
index 0000000000..f74e6ae2ad
--- /dev/null
+++ b/packages/client/ui-permission/tests/permission-row.spec.tsx
@@ -0,0 +1,157 @@
+// @vitest-environment jsdom
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import { cleanup, fireEvent, render, screen, waitFor } from '@testing-library/react'
+import { bindSnapshotSelector } from '@deepseek-ai/dsh-client-web-react'
+import type { SettingsNamespaceView } from '@deepseek-ai/dsh-client-connection/client'
+import { PermissionRow, type PermissionRowProps } from '../src/client/PermissionRow.tsx'
+import { en } from '../src/client/locales.ts'
+import { PermissionSettingsController } from '../src/client/settings-store.ts'
+
+afterEach(cleanup)
+
+const SCHEMA = {
+  uid: 5,
+  refs: {
+    1: { type: 'const', value: 'read-only' },
+    2: { type: 'const', value: 'workspace-write' },
+    3: { type: 'const', value: 'danger-full-access' },
+    4: { type: 'union', list: [1, 2, 3] },
+    5: { type: 'object', dict: { defaultPreset: 4 } },
+  },
+}
+
+function view(defaultPreset: string, revision = 0): SettingsNamespaceView {
+  return {
+    ns: 'permission',
+    schema: SCHEMA,
+    value: { defaultPreset },
+    base: { defaultPreset: 'read-only' },
+    applies: 'live',
+    secrets: [],
+    revision,
+  }
+}
+
+function ok<T>(value: T) {
+  return { rpcId: 'test', result: { ok: true as const, value } }
+}
+
+const dictionary: Record<string, string> = en
+const t: PermissionRowProps['t'] = key => dictionary[key] ?? key
+const runtime = {
+  useSessions: (() => { throw new Error('unused') }) as never,
+  useWorkspaces: (() => { throw new Error('unused') }) as never,
+}
+
+function mount(controller: PermissionSettingsController) {
+  return render(
+    <PermissionRow
+      {...runtime}
+      load={() => controller.load()}
+      select={preset => controller.select(preset)}
+      usePermission={bindSnapshotSelector(controller.store)}
+      t={t}
+    />,
+  )
+}
+
+describe('PermissionRow', () => {
+  it('loads the descriptor, opens the menu, and selects a new default', async () => {
+    const mutate = vi.fn(() => Promise.resolve(ok(view('workspace-write', 1))))
+    const controller = new PermissionSettingsController({
+      settings: {
+        describe: () => Promise.resolve(ok({ writable: true, namespaces: [view('read-only')] })),
+        mutate,
+      } as never,
+    })
+    mount(controller)
+    const button = await screen.findByRole('button', { name: 'Read Only' })
+    expect(button.getAttribute('aria-expanded')).toBe('false')
+    fireEvent.click(button)
+    expect(button.getAttribute('aria-expanded')).toBe('true')
+    fireEvent.keyDown(document, { key: 'Escape' })
+    await waitFor(() => { expect(button.getAttribute('aria-expanded')).toBe('false') })
+    fireEvent.click(button)
+    fireEvent.click(button)
+    expect(button.getAttribute('aria-expanded')).toBe('false')
+    fireEvent.click(button)
+    fireEvent.click(screen.getByRole('menuitem', { name: 'Read Only' }))
+    expect(mutate).not.toHaveBeenCalled()
+    fireEvent.click(button)
+    fireEvent.click(screen.getByRole('menuitem', { name: 'Workspace Write' }))
+    await screen.findByRole('button', { name: 'Workspace Write' })
+    expect(mutate).toHaveBeenCalledOnce()
+  })
+
+  it('requires explicit acknowledgement before saving Full access', async () => {
+    const mutate = vi.fn(() => Promise.resolve(ok(view('danger-full-access', 1))))
+    const controller = new PermissionSettingsController({
+      settings: {
+        describe: () => Promise.resolve(ok({ writable: true, namespaces: [view('read-only')] })),
+        mutate,
+      } as never,
+    })
+    mount(controller)
+    fireEvent.click(await screen.findByRole('button', { name: 'Read Only' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: 'Full access' }))
+    expect(mutate).not.toHaveBeenCalled()
+    fireEvent.click(screen.getByRole('button', { name: 'Cancel' }))
+    expect(screen.queryByRole('dialog', { name: 'Enable Full access?' })).toBeNull()
+    fireEvent.click(screen.getByRole('button', { name: 'Read Only' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: 'Full access' }))
+    const dialog = screen.getByRole('dialog', { name: 'Enable Full access?' })
+    const enable = screen.getByRole('button', { name: 'Enable Full access' })
+    expect((enable as HTMLButtonElement).disabled).toBe(true)
+    fireEvent.click(screen.getByRole('checkbox'))
+    fireEvent.click(enable)
+    await waitFor(() => { expect(mutate).toHaveBeenCalledOnce() })
+    expect(dialog.isConnected).toBe(false)
+  })
+
+  it('hides an unavailable namespace and disables a read-only provider', async () => {
+    const absent = new PermissionSettingsController({
+      settings: {
+        describe: () => Promise.resolve(ok({ writable: true, namespaces: [] })),
+        mutate: vi.fn(),
+      } as never,
+    })
+    const rendered = mount(absent)
+    await waitFor(() => { expect(rendered.container.textContent).toBe('') })
+    rendered.unmount()
+
+    const readonly = new PermissionSettingsController({
+      settings: {
+        describe: () => Promise.resolve(ok({ writable: false, namespaces: [view('read-only')] })),
+        mutate: vi.fn(),
+      } as never,
+    })
+    mount(readonly)
+    expect((await screen.findByRole('button', { name: 'Read Only' })).hasAttribute('disabled')).toBe(true)
+  })
+
+  it('shows loading and a contained write error', async () => {
+    const describe = Promise.withResolvers<ReturnType<typeof ok<{
+      writable: boolean
+      namespaces: SettingsNamespaceView[]
+    }>>>()
+    const controller = new PermissionSettingsController({
+      settings: {
+        describe: () => describe.promise,
+        mutate: () => Promise.resolve({
+          rpcId: 'test',
+          result: {
+            ok: false as const,
+            error: { code: 'settings-conflict', message: 'changed elsewhere', details: {} },
+          },
+        }),
+      } as never,
+    })
+    mount(controller)
+    expect((await screen.findByRole('button', { name: 'Loading' })).hasAttribute('disabled')).toBe(true)
+    describe.resolve(ok({ writable: true, namespaces: [view('read-only')] }))
+    const button = await screen.findByRole('button', { name: 'Read Only' })
+    fireEvent.click(button)
+    fireEvent.click(screen.getByRole('menuitem', { name: 'Workspace Write' }))
+    expect((await screen.findByRole('alert')).textContent).toBe('changed elsewhere')
+  })
+})
diff --git a/packages/client/ui-permission/tests/settings-store.spec.ts b/packages/client/ui-permission/tests/settings-store.spec.ts
new file mode 100644
index 0000000000..74edb838b0
--- /dev/null
+++ b/packages/client/ui-permission/tests/settings-store.spec.ts
@@ -0,0 +1,254 @@
+import { describe, expect, it, vi } from 'vitest'
+import type { SettingsNamespaceView } from '@deepseek-ai/dsh-client-connection/client'
+import {
+  PermissionSettingsController, permissionDefaultOf, refreshPermissionIfLoaded,
+} from '../src/client/settings-store.ts'
+
+const SCHEMA = {
+  uid: 6,
+  refs: {
+    1: { type: 'const', value: 'read-only' },
+    2: { type: 'const', meta: { description: 'Workspace' }, value: 'workspace-write' },
+    3: { type: 'union', list: [1, 2] },
+    6: { type: 'object', dict: { defaultPreset: 3 } },
+  },
+}
+
+function view(defaultPreset: string, revision = 0, schema: SettingsNamespaceView['schema'] = SCHEMA): SettingsNamespaceView {
+  return {
+    ns: 'permission',
+    schema,
+    value: { defaultPreset },
+    base: { defaultPreset: 'read-only' },
+    applies: 'live',
+    secrets: [],
+    revision,
+  }
+}
+
+function ok<T>(value: T) {
+  return { rpcId: 'test', result: { ok: true as const, value } }
+}
+
+describe('permission settings store', () => {
+  it('derives dynamic options and host labels from the descriptor schema', () => {
+    expect(permissionDefaultOf(view('read-only'))).toEqual({
+      currentValue: 'read-only',
+      options: [
+        { id: 'read-only', label: 'Read Only' },
+        { id: 'workspace-write', label: 'Workspace' },
+      ],
+    })
+    const single = {
+      uid: 2,
+      refs: {
+        1: { type: 'const', meta: { description: '' }, value: 'read-only' },
+        2: { type: 'object', dict: { defaultPreset: 1 } },
+      },
+    }
+    expect(permissionDefaultOf(view('read-only', 0, single))).toEqual({
+      currentValue: 'read-only',
+      options: [{ id: 'read-only', label: 'Read Only' }],
+    })
+    const undescribed = {
+      uid: 2,
+      refs: {
+        1: { type: 'const', meta: { description: 7 }, value: 'read-only' },
+        2: { type: 'object', dict: { defaultPreset: 1 } },
+      },
+    }
+    expect(permissionDefaultOf(view('read-only', 0, undescribed)).options)
+      .toEqual([{ id: 'read-only', label: 'Read Only' }])
+  })
+
+  it('rejects malformed values and dynamic enums at the wire boundary', () => {
+    expect(() => permissionDefaultOf({ ...view('read-only'), value: {} })).toThrow(/no defaultPreset value/)
+    expect(() => permissionDefaultOf(view('read-only', 0, {
+      uid: 1, refs: { 1: { type: 'object', dict: {} } },
+    }))).toThrow(/no defaultPreset field/)
+    expect(() => permissionDefaultOf(view('read-only', 0, {
+      uid: 2,
+      refs: {
+        1: { type: 'union' },
+        2: { type: 'object', dict: { defaultPreset: 1 } },
+      },
+    }))).toThrow(/does not advertise/)
+    expect(() => permissionDefaultOf(view('read-only', 0, {
+      uid: 4,
+      refs: {
+        1: { type: 'string' },
+        2: { type: 'const', value: 1 },
+        3: { type: 'union', list: [1, 2] },
+        4: { type: 'object', dict: { defaultPreset: 3 } },
+      },
+    }))).toThrow(/does not advertise/)
+    expect(() => permissionDefaultOf(view('missing'))).toThrow(/does not advertise/)
+  })
+
+  it('loads and writes defaultPreset with optimistic concurrency', async () => {
+    const describe = vi.fn(() => Promise.resolve(ok({
+      writable: true,
+      namespaces: [view('read-only', 4)],
+    })))
+    const mutate = vi.fn(() => Promise.resolve(ok(view('workspace-write', 5))))
+    const controller = new PermissionSettingsController({
+      settings: { describe, mutate } as never,
+    })
+    await controller.load()
+    expect(controller.store.getSnapshot()).toMatchObject({
+      status: 'ready',
+      writable: true,
+      currentValue: 'read-only',
+      revision: 4,
+    })
+    await controller.select('workspace-write')
+    expect(mutate).toHaveBeenCalledWith({
+      ns: 'permission',
+      ops: [{ op: 'set', path: ['defaultPreset'], value: 'workspace-write' }],
+      expectedRevision: 4,
+    })
+    expect(controller.store.getSnapshot()).toMatchObject({
+      status: 'ready',
+      currentValue: 'workspace-write',
+      revision: 5,
+    })
+  })
+
+  it('hides the row when the namespace is absent and contains write failures', async () => {
+    const describe = vi.fn(() => Promise.resolve(ok({ writable: true, namespaces: [] })))
+    const controller = new PermissionSettingsController({
+      settings: { describe, mutate: vi.fn() } as never,
+    })
+    await controller.load()
+    expect(controller.store.getSnapshot().status).toBe('unavailable')
+
+    const failing = new PermissionSettingsController({
+      settings: {
+        describe: () => Promise.resolve(ok({ writable: true, namespaces: [view('read-only')] })),
+        mutate: () => Promise.resolve({
+          rpcId: 'test',
+          result: {
+            ok: false as const,
+            error: { code: 'settings-conflict', message: 'stale', details: {} },
+          },
+        }),
+      } as never,
+    })
+    await failing.load()
+    await failing.select('workspace-write')
+    expect(failing.store.getSnapshot()).toMatchObject({ status: 'error', error: 'stale' })
+  })
+
+  it('contains read failures, no-ops without a writable view, and ignores stale responses', async () => {
+    const first = Promise.withResolvers<ReturnType<typeof ok<{
+      writable: boolean
+      namespaces: SettingsNamespaceView[]
+    }>>>()
+    const describe = vi.fn()
+      .mockImplementationOnce(() => first.promise)
+      .mockResolvedValueOnce(ok({ writable: false, namespaces: [view('read-only', 2)] }))
+    const mutate = vi.fn()
+    const controller = new PermissionSettingsController({
+      settings: { describe, mutate } as never,
+    })
+    const stale = controller.load()
+    await controller.load()
+    first.resolve(ok({ writable: true, namespaces: [view('workspace-write', 1)] }))
+    await stale
+    expect(controller.store.getSnapshot()).toMatchObject({
+      currentValue: 'read-only',
+      writable: false,
+      revision: 2,
+    })
+    await controller.select('workspace-write')
+    expect(mutate).not.toHaveBeenCalled()
+
+    const rejected = new PermissionSettingsController({
+      settings: {
+        describe: () => Promise.resolve({
+          rpcId: 'test',
+          result: { ok: false as const, error: { code: 'internal', message: 'offline', details: {} } },
+        }),
+        mutate,
+      } as never,
+    })
+    await rejected.select('workspace-write')
+    await rejected.load()
+    expect(rejected.store.getSnapshot()).toMatchObject({ status: 'error', error: 'offline' })
+
+    const thrown = new PermissionSettingsController({
+      settings: {
+        // Promise consumers must contain unknown rejection values from a
+        // transport implementation, including non-Error legacy clients.
+        // oxlint-disable-next-line typescript/prefer-promise-reject-errors
+        describe: () => Promise.reject('disconnected'),
+        mutate,
+      } as never,
+    })
+    await thrown.load()
+    expect(thrown.store.getSnapshot()).toMatchObject({ status: 'error', error: 'disconnected' })
+  })
+
+  it('disposal suppresses in-flight reads and writes, and loaded invalidations refetch', async () => {
+    const read = Promise.withResolvers<ReturnType<typeof ok<{
+      writable: boolean
+      namespaces: SettingsNamespaceView[]
+    }>>>()
+    const describe = vi.fn(() => read.promise)
+    const idle = new PermissionSettingsController({ settings: { describe, mutate: vi.fn() } as never })
+    refreshPermissionIfLoaded(idle)
+    expect(describe).not.toHaveBeenCalled()
+    const loading = idle.load()
+    idle.dispose()
+    read.resolve(ok({ writable: true, namespaces: [view('read-only')] }))
+    await loading
+    expect(idle.store.getSnapshot().status).toBe('loading')
+
+    const rejectedRead = Promise.withResolvers<ReturnType<typeof ok<{
+      writable: boolean
+      namespaces: SettingsNamespaceView[]
+    }>>>()
+    const disposedRead = new PermissionSettingsController({
+      settings: { describe: () => rejectedRead.promise, mutate: vi.fn() } as never,
+    })
+    const reading = disposedRead.load()
+    disposedRead.dispose()
+    rejectedRead.reject(new Error('late read'))
+    await reading
+    expect(disposedRead.store.getSnapshot().status).toBe('loading')
+
+    const mutation = Promise.withResolvers<ReturnType<typeof ok<SettingsNamespaceView>>>()
+    const activeDescribe = vi.fn(() => Promise.resolve(ok({
+      writable: true,
+      namespaces: [view('read-only')],
+    })))
+    const active = new PermissionSettingsController({
+      settings: {
+        describe: activeDescribe,
+        mutate: () => mutation.promise,
+      } as never,
+    })
+    await active.load()
+    refreshPermissionIfLoaded(active)
+    await vi.waitFor(() => { expect(activeDescribe).toHaveBeenCalledTimes(2) })
+    const saving = active.select('workspace-write')
+    active.dispose()
+    mutation.resolve(ok(view('workspace-write', 1)))
+    await saving
+    expect(active.store.getSnapshot().status).toBe('saving')
+
+    const rejectedMutation = Promise.withResolvers<ReturnType<typeof ok<SettingsNamespaceView>>>()
+    const disposedWrite = new PermissionSettingsController({
+      settings: {
+        describe: () => Promise.resolve(ok({ writable: true, namespaces: [view('read-only')] })),
+        mutate: () => rejectedMutation.promise,
+      } as never,
+    })
+    await disposedWrite.load()
+    const writing = disposedWrite.select('workspace-write')
+    disposedWrite.dispose()
+    rejectedMutation.reject(new Error('late write'))
+    await writing
+    expect(disposedWrite.store.getSnapshot().status).toBe('saving')
+  })
+})
diff --git a/packages/client/ui-permission/tsconfig.json b/packages/client/ui-permission/tsconfig.json
index b66ce746b2..32f84d6a2d 100644
--- a/packages/client/ui-permission/tsconfig.json
+++ b/packages/client/ui-permission/tsconfig.json
@@ -8,18 +8,36 @@
     "src"
   ],
   "references": [
+    {
+      "path": "../connection"
+    },
+    {
+      "path": "../locale"
+    },
     {
       "path": "../../../vendor/cordis"
     },
     {
       "path": "../runtime"
     },
+    {
+      "path": "../schema-form"
+    },
     {
       "path": "../ui-command"
     },
+    {
+      "path": "../ui-primitives"
+    },
     {
       "path": "../ui-slash"
     },
+    {
+      "path": "../ui-slots"
+    },
+    {
+      "path": "../web-react"
+    },
     {
       "path": "../../ui/permission"
     },
diff --git a/packages/client/ui-plan/README.i18n.yaml b/packages/client/ui-plan/README.i18n.yaml
index 0f7ef9584a..772d65f86d 100644
--- a/packages/client/ui-plan/README.i18n.yaml
+++ b/packages/client/ui-plan/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/ui-plan/README.md
-README.md: 568539c19331cc268217ee2c28b928c38a68323c
-README.zh.md: 68e3092ad77267a779d21ba627ce2f19469ae05b
+README.md: fcc4fbab4fbe1a8cc27119366b21ef55c669ba30
+README.zh.md: b618199616e45f69d62f3507c96d367bb3b9909f
diff --git a/packages/client/ui-plan/README.md b/packages/client/ui-plan/README.md
index 568539c193..fcc4fbab4f 100644
--- a/packages/client/ui-plan/README.md
+++ b/packages/client/ui-plan/README.md
@@ -4,7 +4,7 @@ English | [中文](README.zh.md)
 
 Plan-mode status chip, a pure browser surface plugin. The browser half occupies the conversation-declared `conversation.input.plan` single seat (to the right of the access-mode control); the node half is an empty apply (the roster row). Plan behavior itself — the `/plan` command, the boundary-or-idle-committed `plan/mode` state, the `plan` projection unit, and the policy section — is owned by [`@deepseek-ai/dsh-plan-mode`](../../plan/plan-mode/README.md), composed independently on the host roster.
 
-Plan mode is entered through the `/plan` command only; there is no UI control that turns it on. While the host-computed `plan` projection's effective target is plan mode (`pending ? !active : active` — a folded host value, not client optimism, so an arriving frame corrects the chip either way), the seat renders a read-only "Plan" chip whose hover × executes `/plan off` through `command.execute`; otherwise the seat stays empty — a host without plan-mode (or a Draft with no session) shows nothing. While plan mode is the effective target, the composer textarea's placeholder switches to the plan-task hint — "describe your task to generate plan", localized through ui-conversation's `conversation` locale namespace (the `placeholder.plan` / `hint.plan` keys) and shared verbatim with the claimed `/plan` command hint (rendered by the composer from the same projection; owner-supplied placeholders win).
+Plan mode is entered through the `/plan` command path: users can choose Plan from the composer's `+` Command menu or type `/plan`, while this package renders no inactive plan control. While the host-computed `plan` projection's effective target is plan mode (`pending ? !active : active` — a folded host value, not client optimism, so an arriving frame corrects the chip either way), the seat renders the warn-colored "Plan ×" status button, which executes `/plan off` through `command.execute`; otherwise the seat stays empty — a host without plan-mode (or a Draft with no session) shows nothing. While plan mode is the effective target, the composer textarea's placeholder switches to the plan-task hint — "describe your task to generate plan", localized through ui-conversation's `conversation` locale namespace (the `placeholder.plan` / `hint.plan` keys) and shared verbatim with the claimed `/plan` command hint (rendered by the composer from the same projection; owner-supplied placeholders win).
 
 The chip carries the accessible description "Plan mode on, press to turn off". Admission failures (`matched: false`, business errors, transport faults) surface as an inline error and the chip stays until the projection confirms the exit.
 
@@ -22,4 +22,4 @@ Entering or leaving plan mode changes the active `plan:policy` system-prompt sec
 
 - **Plan mode is guidance, not an execution sandbox** — deployments that require enforced read-only planning must compose the independent sandbox and approval policies.
 - **The chip belongs to the default composer** — a pending whole-composer interaction such as plan review temporarily replaces the InputBar and its chip.
-- **No UI entry point** — plan mode is entered by typing `/plan`; a session with the capability but inactive mode shows no affordance in the tool row.
+- **No inactive plan control** — entry uses the shared Command source; a session with the capability but inactive mode shows no plan affordance in the tool row.
diff --git a/packages/client/ui-plan/README.zh.md b/packages/client/ui-plan/README.zh.md
index 68e3092ad7..b618199616 100644
--- a/packages/client/ui-plan/README.zh.md
+++ b/packages/client/ui-plan/README.zh.md
@@ -4,7 +4,7 @@
 
 Plan mode 状态徽章，纯浏览器 surface 插件。浏览器侧占据会话声明的 `conversation.input.plan` 单座（位于 access 模式控件右侧）；node 侧是空 apply（roster 行）。plan 行为本身——`/plan` 命令、边界或空闲即时提交的 `plan/mode` 状态、`plan` 投影单元与 policy 段——归 [`@deepseek-ai/dsh-plan-mode`](../../plan/plan-mode/README.md) 所有，由 host roster 独立组合。
 
-plan mode 只经 `/plan` 命令进入；UI 上没有打开它的控件。当 host 计算的 `plan` 投影有效目标为 plan mode 时（`pending ? !active : active`——折叠的 host 值而非客户端乐观态，帧到达即自动纠正），座位渲染一个只读 "Plan" chip，hover 出现的 × 经 `command.execute` 执行 `/plan off`；否则座位保持为空——未组合 plan-mode 的 host（或尚无会话的 Draft）不显示任何内容。plan mode 为有效目标期间，composer 文本框的 placeholder 切换为 plan 任务提示——"describe your task to generate plan"（中文「描述你的任务以生成计划」），经 ui-conversation 的 `conversation` locale 命名空间（`placeholder.plan` / `hint.plan` 键）本地化，并与已认领 `/plan` 命令的提示逐字共用同一份文案（由 composer 从同一投影渲染；owner 提供的 placeholder 优先）。
+plan mode 经 `/plan` 命令路径进入：用户可以从 composer 的 `+` Command 菜单选择 Plan，也可以输入 `/plan`，而本包（package）不渲染未激活态 plan 控件。当 host 计算的 `plan` 投影有效目标为 plan mode 时（`pending ? !active : active`——折叠的 host 值而非客户端乐观态，帧到达即自动纠正），座位渲染 warn 色的 "Plan ×" 状态按钮，该按钮经 `command.execute` 执行 `/plan off`；否则座位保持为空——未组合 plan-mode 的 host（或尚无会话的 Draft）不显示任何内容。plan mode 为有效目标期间，composer 文本框的 placeholder 切换为 plan 任务提示——"describe your task to generate plan"（中文「描述你的任务以生成计划」），经 ui-conversation 的 `conversation` locale 命名空间（`placeholder.plan` / `hint.plan` 键）本地化，并与已认领 `/plan` 命令的提示逐字共用同一份文案（由 composer 从同一投影渲染；owner 提供的 placeholder 优先）。
 
 chip 携带无障碍描述 "Plan mode on, press to turn off"。准入失败（`matched: false`、业务错误、传输故障）以内联错误呈现，chip 保持显示直至投影确认退出。
 
@@ -22,4 +22,4 @@ chip 携带无障碍描述 "Plan mode on, press to turn off"。准入失败（`m
 
 - **Plan mode 是引导而非执行沙箱**——需要强制只读规划的部署必须组合独立的沙箱与审批策略。
 - **chip 属于默认编辑器**——待处理的整编辑器交互（如 plan 评审）会临时取代 InputBar 及其 chip。
-- **无 UI 进入点**——plan mode 靠敲 `/plan` 进入；有能力但未激活的会话在工具行不显示任何入口。
+- **无未激活态 plan 控件**——入口使用共享 Command source；有能力但 mode 未激活的会话在工具行不显示 plan 入口。
diff --git a/packages/client/ui-plan/package.json b/packages/client/ui-plan/package.json
index ead0b229c8..f80a2be1ae 100644
--- a/packages/client/ui-plan/package.json
+++ b/packages/client/ui-plan/package.json
@@ -40,6 +40,7 @@
     "@deepseek-ai/dsh-client-locale": "^0.0.1",
     "@deepseek-ai/dsh-client-runtime": "^0.0.1",
     "@deepseek-ai/dsh-client-ui-conversation": "^0.0.1",
+    "@deepseek-ai/dsh-client-ui-primitives": "^0.0.1",
     "@deepseek-ai/dsh-client-ui-slots": "^0.0.1",
     "@deepseek-ai/dsh-invariants": "^0.0.1",
     "@deepseek-ai/dsh-plan-mode": "^0.0.1",
@@ -52,6 +53,7 @@
     "@deepseek-ai/dsh-client-runtime": "workspace:^",
     "@deepseek-ai/dsh-client-test-runtime": "workspace:^",
     "@deepseek-ai/dsh-client-ui-conversation": "workspace:^",
+    "@deepseek-ai/dsh-client-ui-primitives": "workspace:^",
     "@deepseek-ai/dsh-client-ui-slots": "workspace:^",
     "@deepseek-ai/dsh-client-web-react": "workspace:^",
     "@deepseek-ai/dsh-invariants": "workspace:^",
diff --git a/packages/client/ui-plan/src/client/PlanModeControl.module.css b/packages/client/ui-plan/src/client/PlanModeControl.module.css
index f79e9073db..46e893aee8 100644
--- a/packages/client/ui-plan/src/client/PlanModeControl.module.css
+++ b/packages/client/ui-plan/src/client/PlanModeControl.module.css
@@ -1,5 +1,4 @@
-/* Plan-mode toggle chip: quiet while off; the pressed state takes the
-   business accent pair (same token pairing as the trajectory user badge). */
+/* Active plan status follows Figma's warn-state pill. */
 
 .wrap {
   display: inline-flex;
@@ -10,30 +9,25 @@
 .chip {
   display: inline-flex;
   align-items: center;
-  padding: 4px 8px;
+  gap: 4px;
+  min-width: 34px;
+  padding: 2px 8px;
   border: none;
-  border-radius: 8px;
-  background: transparent;
-  color: var(--dsw-alias-label-secondary);
-  font-size: 14px;
+  border-radius: 999px;
+  background: var(--dsw-alias-state-warn-tertiary);
+  color: var(--dsw-alias-state-warn-label);
+  font-size: 13px;
+  font-weight: 500;
   line-height: 20px;
   cursor: pointer;
 }
 
 .chip:hover:not(:disabled) {
-  background: var(--dsw-alias-interactive-bg-hover);
-}
-
-/* Hovering keeps the pressed accent: the higher-specificity hover rule above
-   would otherwise swap it back to the neutral hover wash. */
-.chip[aria-pressed='true'],
-.chip[aria-pressed='true']:hover:not(:disabled) {
-  color: var(--dsw-alias-state-business-primary);
-  background: var(--dsw-alias-state-business-tertiary);
+  color: var(--dsw-alias-state-warn-primary);
 }
 
 .chip:focus-visible {
-  outline: 2px solid var(--dsw-alias-label-secondary);
+  outline: 2px solid var(--dsw-alias-state-warn-label);
   outline-offset: 2px;
 }
 
@@ -42,6 +36,12 @@
   cursor: default;
 }
 
+.close {
+  display: inline-flex;
+  align-items: center;
+  color: currentColor;
+}
+
 .error {
   color: var(--dsw-alias-state-error-primary);
   font-size: 12px;
diff --git a/packages/client/ui-plan/src/client/PlanModeControl.tsx b/packages/client/ui-plan/src/client/PlanModeControl.tsx
index cccae3a6db..6573c6aeb1 100644
--- a/packages/client/ui-plan/src/client/PlanModeControl.tsx
+++ b/packages/client/ui-plan/src/client/PlanModeControl.tsx
@@ -1,5 +1,6 @@
 import { useEffect, useRef, useState } from 'react'
 import type { InjectFace, PropsLocale, PropsRuntime } from '@deepseek-ai/dsh-client-ui-slots'
+import { IconCloseFill14 } from '@deepseek-ai/dsh-client-ui-primitives'
 // Type-only: pulls the ui-conversation SlotMap merge (the input.plan seat and
 // its {locked} owner share).
 import type {} from '@deepseek-ai/dsh-client-ui-conversation/client'
@@ -11,16 +12,14 @@ export type PlanChipProps =
   PropsRuntime<'conversation.input.plan'> & InjectFace<PlanChipInjected> & PropsLocale<'plan'>
 
 /**
- * Plan-mode toggle over the host-computed `plan` projection. The chip renders
- * whenever the capability is present and reflects the effective target as its
- * pressed state (`pending ? !active : active` — a folded host value, not
- * client optimism, so an arriving frame corrects it). Clicking executes
- * /plan or /plan off toward the opposite target.
+ * Plan-mode status over the host-computed `plan` projection. The chip renders
+ * only while the effective target is plan mode (`pending ? !active : active`
+ * — a folded host value, not client optimism) and executes /plan off.
  */
-export function PlanChip({ useProjection, locked, setPlanMode, t }: PlanChipProps) {
+export function PlanChip({ useProjection, locked, exitPlanMode, t }: PlanChipProps) {
   const plan = useProjection('plan')
-  const [busy, setBusy] = useState(false)
-  const [error, setError] = useState<{ text: string; detail: string } | null>(null)
+  const [leaving, setLeaving] = useState(false)
+  const [error, setError] = useState<string | null>(null)
   const aliveRef = useRef(true)
 
   useEffect(() => {
@@ -30,26 +29,22 @@ export function PlanChip({ useProjection, locked, setPlanMode, t }: PlanChipProp
     }
   }, [])
 
-  // Absent capability (no plan-mode host plugin / no session yet): no seat
-  // content — without the capability there is nothing to toggle.
   if (plan === undefined) return null
   const target = plan.pending ? !plan.active : plan.active
+  if (!target) return null
 
-  const toggle = (): void => {
-    // No busy/locked guard: both disable the button, so no click arrives.
-    // Failure copy stays English (error-surface policy: not localized).
-    const on = !target
-    const failText = on ? 'failed to enter plan mode' : 'failed to exit plan mode'
-    setBusy(true)
+  const off = (): void => {
+    // No leaving/locked guard: both disable the button, so no click arrives.
+    setLeaving(true)
     setError(null)
-    void setPlanMode(on).then((failure) => {
+    void exitPlanMode().then((failure) => {
       if (!aliveRef.current) return
-      setBusy(false)
-      setError(failure === null ? null : { text: failText, detail: failure })
+      setLeaving(false)
+      setError(failure)
     }, (reason: unknown) => {
       if (!aliveRef.current) return
-      setBusy(false)
-      setError({ text: failText, detail: reason instanceof Error ? reason.message : String(reason) })
+      setLeaving(false)
+      setError(reason instanceof Error ? reason.message : String(reason))
     })
   }
 
@@ -58,16 +53,19 @@ export function PlanChip({ useProjection, locked, setPlanMode, t }: PlanChipProp
       <button
         type="button"
         className={css.chip}
-        aria-pressed={target}
-        aria-label={target ? t('chip.on.aria') : t('chip.off.aria')}
-        title={target ? t('chip.on.title') : t('chip.off.title')}
-        disabled={locked || busy}
-        onClick={toggle}
+        aria-label={t('chip.on.aria')}
+        title={t('chip.on.title')}
+        disabled={locked || leaving}
+        onClick={off}
       >
-        {/* Design literal, not copy: the chip wordmark stays 'Plan on/off' in every locale. */}
-        Plan { target ? 'on' : 'off' }
+        {/* Design literal, not copy: the chip wordmark stays 'Plan' in every locale. */}
+        Plan
+        <span className={css.close} aria-hidden>
+          <IconCloseFill14 size={12} />
+        </span>
       </button>
-      {error !== null && <span className={css.error} role="status" title={error.detail}>{error.text}</span>}
+      {/* Failure copy stays English (error-surface policy: not localized). */}
+      {error !== null && <span className={css.error} role="status" title={error}>failed to exit plan mode</span>}
     </span>
   )
 }
diff --git a/packages/client/ui-plan/src/client/index.ts b/packages/client/ui-plan/src/client/index.ts
index f65085faa9..64e87ae951 100644
--- a/packages/client/ui-plan/src/client/index.ts
+++ b/packages/client/ui-plan/src/client/index.ts
@@ -1,11 +1,11 @@
 /**
  * Plan control plugin, browser half: occupies the composer's named
- * `conversation.input.plan` seat with a plan-mode toggle chip. While the
- * `plan` projection is present the chip renders in both states and executes
- * /plan or /plan off through `command.execute` toward the opposite target;
- * an absent projection (no capability) leaves the seat empty. Reads ride the
- * generic projection pair through the standard-kit `useProjection` (an absent
- * key is capability absence); zero client-side plan state.
+ * `conversation.input.plan` seat with an active-state status chip. Plan mode
+ * is entered through the command source; while the projection's effective
+ * target is plan mode the chip renders and executes /plan off through
+ * `command.execute`, otherwise the seat stays empty. Reads ride the generic
+ * projection pair through the standard-kit `useProjection`; zero client-side
+ * plan state.
  */
 import type { ConnectionHandle } from '@deepseek-ai/dsh-client-connection/client'
 import type { ClientContext, SessionId } from '@deepseek-ai/dsh-client-runtime/client'
@@ -33,11 +33,10 @@ const NS = 'plan'
 /** Injected business face of the composer plan seat. */
 export interface PlanChipInjected {
   /**
-   * Switch plan mode by executing /plan (on) or /plan off.
-   * @param on - desired target: true enters plan mode, false leaves it.
+   * Leave plan mode by executing /plan off.
    * @returns null on admitted execution; a user-visible failure line otherwise.
    */
-  setPlanMode: (on: boolean) => Promise<string | null>
+  exitPlanMode: () => Promise<string | null>
 }
 
 /**
@@ -59,12 +58,11 @@ export function apply(ctx: ClientContext): void {
     locale: NS,
     inject: (sessionId: SessionId): PlanChipInjected => ({
       // Failure strings stay English (error-surface policy: not localized).
-      setPlanMode: async (on) => {
-        const line = on ? '/plan' : '/plan off'
+      exitPlanMode: async () => {
         const connection = ctx.get('connection') as ConnectionHandle
-        const { result } = await connection.api.commands.execute({ sessionId, line })
+        const { result } = await connection.api.commands.execute({ sessionId, line: '/plan off' })
         if (!result.ok) return `${result.error.message} (${result.error.code})`
-        if (!result.value.matched) return `unknown command: ${line}`
+        if (!result.value.matched) return 'unknown command: /plan off'
         return null
       },
     }),
diff --git a/packages/client/ui-plan/tests/browser-plugin.spec.ts b/packages/client/ui-plan/tests/browser-plugin.spec.ts
index e719e132a8..4f028724ea 100644
--- a/packages/client/ui-plan/tests/browser-plugin.spec.ts
+++ b/packages/client/ui-plan/tests/browser-plugin.spec.ts
@@ -1,9 +1,9 @@
 /**
  * ui-plan browser half on a real SlotsService: the plugin occupies the
- * conversation-declared `conversation.input.plan` single seat with the plan
- * toggle chip; the injected face executes /plan or /plan off by direction and
- * folds admission outcomes into null (admitted) or a user-visible failure
- * line; teardown empties the seat (HMR safety).
+ * conversation-declared `conversation.input.plan` single seat with the active
+ * plan status chip; the injected face executes /plan off and folds admission
+ * outcomes into null (admitted) or a user-visible failure line; teardown
+ * empties the seat (HMR safety).
  */
 import { Context } from 'cordis'
 import { describe, expect, it, vi } from 'vitest'
@@ -52,7 +52,7 @@ describe('ui-plan browser apply', () => {
       .rejects.toThrow(/slot "conversation.input.plan" is not declared/)
   })
 
-  it('registers the chip, executes /plan by direction, and unregisters on teardown', async () => {
+  it('registers the chip, executes /plan off, and unregisters on teardown', async () => {
     const b = await bench()
     const fiber = b.ctx.plugin({ inject: [...inject], apply })
     await fiber.await()
@@ -60,22 +60,20 @@ describe('ui-plan browser apply', () => {
     expect(entry.component).toBe(PlanChip)
     const injected = (entry.inject as unknown as (id: SessionId) => PlanChipInjected)(SID)
 
-    await expect(injected.setPlanMode(false)).resolves.toBeNull()
+    await expect(injected.exitPlanMode()).resolves.toBeNull()
     expect(b.execute).toHaveBeenLastCalledWith({ sessionId: SID, line: '/plan off' })
-    await expect(injected.setPlanMode(true)).resolves.toBeNull()
-    expect(b.execute).toHaveBeenLastCalledWith({ sessionId: SID, line: '/plan' })
 
     // Business failure folds to the composer-visible line.
     b.execute.mockResolvedValueOnce({
       result: { ok: false as const, error: { code: 'session-not-found', message: 'gone', details: {} } },
     } as never)
-    await expect(injected.setPlanMode(false)).resolves.toBe('gone (session-not-found)')
+    await expect(injected.exitPlanMode()).resolves.toBe('gone (session-not-found)')
 
     // Unmatched admission (plan-mode not composed host-side) is also a failure line.
     b.execute.mockResolvedValueOnce({
       result: { ok: true as const, value: { matched: false as const } },
     } as never)
-    await expect(injected.setPlanMode(true)).resolves.toBe('unknown command: /plan')
+    await expect(injected.exitPlanMode()).resolves.toBe('unknown command: /plan off')
 
     await fiber.dispose()
     expect(b.slots.entries('conversation.input.plan')).toHaveLength(0)
diff --git a/packages/client/ui-plan/tests/plan-mode-control.spec.tsx b/packages/client/ui-plan/tests/plan-mode-control.spec.tsx
index f4752559ef..2ecbbda063 100644
--- a/packages/client/ui-plan/tests/plan-mode-control.spec.tsx
+++ b/packages/client/ui-plan/tests/plan-mode-control.spec.tsx
@@ -1,11 +1,9 @@
 // @vitest-environment jsdom
 /**
  * PlanChip over the `plan` projection: nothing renders while the capability
- * is absent; with the capability present the chip renders in both states with
- * aria-pressed following the effective target (pending folds — /plan shows
- * pressed immediately, /plan off unpressed immediately); clicking executes
- * the command toward the opposite target and surfaces direction-specific
- * failures while the projection still owns the displayed state.
+ * is absent or the effective target is the default mode; while plan mode is
+ * the target, the chip executes /plan off and remains visible through failures
+ * until the projection confirms the exit.
  */
 import { afterEach, describe, expect, it, vi } from 'vitest'
 import { cleanup, fireEvent, render, screen, waitFor } from '@testing-library/react'
@@ -24,98 +22,74 @@ const t: PlanChipProps['t'] = makeTranslate(zh, commonZh)
 
 function setup(
   plan: PlanProjection | undefined,
-  setPlanMode = vi.fn((_on: boolean) => Promise.resolve<string | null>(null)),
+  exitPlanMode = vi.fn(() => Promise.resolve<string | null>(null)),
   locked = false,
 ) {
   const store = createSnapshotStore<{ value: PlanProjection | undefined }>({ value: plan })
   const useProjection = (_key: string, selector?: (v: unknown) => unknown) =>
     bindSnapshotSelector(store)(s => (selector ?? (v => v))(s.value))
-  const props = { useProjection, locked, setPlanMode, t } as unknown as PlanChipProps
+  const props = { useProjection, locked, exitPlanMode, t } as unknown as PlanChipProps
   const view = render(<PlanChip {...props} />)
-  return { store, setPlanMode, view }
+  return { store, exitPlanMode, view }
 }
 
-const onChip = () => screen.getByRole('button', { name: 'plan mode 已开启，按下关闭' })
-const offChip = () => screen.getByRole('button', { name: 'plan mode 已关闭，按下开启' })
+const chip = () => screen.getByRole('button', { name: 'plan mode 已开启，按下关闭' })
 
 describe('PlanChip', () => {
-  it('renders nothing while the capability is absent', () => {
+  it('renders nothing for an absent capability or a default-mode target', () => {
     const absent = setup(undefined)
     expect(absent.view.container.innerHTML).toBe('')
+    cleanup()
+    const inactive = setup({ active: false, pending: false })
+    expect(inactive.view.container.innerHTML).toBe('')
+    cleanup()
+    const leaving = setup({ active: true, pending: true })
+    expect(leaving.view.container.innerHTML).toBe('')
   })
 
-  it('reflects the effective target as the pressed state, folding pending', () => {
-    setup({ active: false, pending: false })
-    expect(offChip().getAttribute('aria-pressed')).toBe('false')
-    cleanup()
+  it('renders the Plan status for active and pending-entry targets', () => {
     setup({ active: true, pending: false })
-    expect(onChip().getAttribute('aria-pressed')).toBe('true')
+    expect(chip().textContent).toBe('Plan')
     cleanup()
-    // /plan just ran (command/run folded, plan/mode not yet): target is plan.
     setup({ active: false, pending: true })
-    expect(onChip().getAttribute('aria-pressed')).toBe('true')
-    cleanup()
-    // Active with a pending exit: the target is default — already unpressed.
-    setup({ active: true, pending: true })
-    expect(offChip().getAttribute('aria-pressed')).toBe('false')
+    expect(chip().textContent).toBe('Plan')
   })
 
-  it('unpressed chip executes /plan (on) once and follows the projection up', async () => {
+  it('executes /plan off once and follows the projection down', async () => {
     let resolve!: (value: string | null) => void
-    const setPlanMode = vi.fn((_on: boolean) => new Promise<string | null>((done) => { resolve = done }))
-    const { store } = setup({ active: false, pending: false }, setPlanMode)
-    fireEvent.click(offChip())
-    expect(setPlanMode).toHaveBeenCalledTimes(1)
-    expect(setPlanMode).toHaveBeenLastCalledWith(true)
-    // Busy while its own call is in flight.
-    fireEvent.click(offChip())
-    expect(setPlanMode).toHaveBeenCalledTimes(1)
+    const exitPlanMode = vi.fn(() => new Promise<string | null>((done) => { resolve = done }))
+    const { store } = setup({ active: true, pending: false }, exitPlanMode)
+    fireEvent.click(chip())
+    expect(exitPlanMode).toHaveBeenCalledTimes(1)
+    fireEvent.click(chip())
+    expect(exitPlanMode).toHaveBeenCalledTimes(1)
     resolve(null)
-    // The command's run record folds: target flips, the chip presses.
-    store.set({ value: { active: false, pending: true } })
-    await waitFor(() => {
-      expect(onChip().getAttribute('aria-pressed')).toBe('true')
-    })
-  })
-
-  it('pressed chip executes /plan off and follows the projection down', async () => {
-    const setPlanMode = vi.fn((_on: boolean) => Promise.resolve<string | null>(null))
-    const { store } = setup({ active: true, pending: false }, setPlanMode)
-    fireEvent.click(onChip())
-    expect(setPlanMode).toHaveBeenLastCalledWith(false)
     store.set({ value: { active: true, pending: true } })
     await waitFor(() => {
-      expect(offChip().getAttribute('aria-pressed')).toBe('false')
+      expect(screen.queryByRole('button', { name: 'plan mode 已开启，按下关闭' })).toBeNull()
     })
   })
 
   it('disables under the locked owner prop', () => {
     setup({ active: true, pending: false }, vi.fn(), true)
-    expect((onChip() as HTMLButtonElement).disabled).toBe(true)
+    expect((chip() as HTMLButtonElement).disabled).toBe(true)
   })
 
-  it('surfaces direction-specific admission and transport failures while staying visible', async () => {
-    const exitFailing = vi.fn()
+  it('surfaces admission and transport failures while staying visible', async () => {
+    const exitPlanMode = vi.fn()
       .mockResolvedValueOnce('host said no')
       .mockRejectedValueOnce(new Error('network down'))
       .mockRejectedValueOnce('socket closed')
-    setup({ active: true, pending: false }, exitFailing)
-    fireEvent.click(onChip())
+    setup({ active: true, pending: false }, exitPlanMode)
+    fireEvent.click(chip())
     expect((await screen.findByText('failed to exit plan mode')).getAttribute('title')).toBe('host said no')
-    expect(onChip()).toBeTruthy()
+    expect(chip()).toBeTruthy()
 
-    fireEvent.click(onChip())
+    fireEvent.click(chip())
     expect(await screen.findByTitle('network down')).toBeTruthy()
 
-    fireEvent.click(onChip())
+    fireEvent.click(chip())
     expect(await screen.findByTitle('socket closed')).toBeTruthy()
-    cleanup()
-
-    const enterFailing = vi.fn().mockResolvedValueOnce('agent busy')
-    setup({ active: false, pending: false }, enterFailing)
-    fireEvent.click(offChip())
-    expect((await screen.findByText('failed to enter plan mode')).getAttribute('title')).toBe('agent busy')
-    expect(offChip()).toBeTruthy()
   })
 
   it('ignores in-flight fulfillment and rejection after unmount', () => {
@@ -124,14 +98,14 @@ describe('PlanChip', () => {
       { active: true, pending: false },
       vi.fn(() => new Promise<string | null>((done) => { resolve = done })),
     )
-    fireEvent.click(onChip())
+    fireEvent.click(chip())
     successful.view.unmount()
     expect(() => { resolve(null) }).not.toThrow()
 
     let reject!: (reason: unknown) => void
-    const setPlanMode = vi.fn(() => new Promise<string | null>((_done, fail) => { reject = fail }))
-    const { view } = setup({ active: true, pending: false }, setPlanMode)
-    fireEvent.click(onChip())
+    const exitPlanMode = vi.fn(() => new Promise<string | null>((_done, fail) => { reject = fail }))
+    const { view } = setup({ active: true, pending: false }, exitPlanMode)
+    fireEvent.click(chip())
     view.unmount()
     expect(() => { reject(new Error('late')) }).not.toThrow()
   })
diff --git a/packages/client/ui-plan/tsconfig.json b/packages/client/ui-plan/tsconfig.json
index aa145c3d04..0772c23b31 100644
--- a/packages/client/ui-plan/tsconfig.json
+++ b/packages/client/ui-plan/tsconfig.json
@@ -23,6 +23,9 @@
     {
       "path": "../ui-conversation"
     },
+    {
+      "path": "../ui-primitives"
+    },
     {
       "path": "../ui-slots"
     },
diff --git a/packages/client/ui-primitives/README.i18n.yaml b/packages/client/ui-primitives/README.i18n.yaml
index c440159ba6..b5bb7f0adb 100644
--- a/packages/client/ui-primitives/README.i18n.yaml
+++ b/packages/client/ui-primitives/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/ui-primitives/README.md
-README.md: 4075f0e7472141b5d41fe0f51c1a620eae913bfb
-README.zh.md: 7fd9529e597bc473a7c35fc3614f21f84cd19f44
+README.md: f06e8c014c19d17197980a232e8b42080aac2901
+README.zh.md: feb97ee9fa834fbff10052909630ffcbbce9c78a
diff --git a/packages/client/ui-primitives/README.md b/packages/client/ui-primitives/README.md
index 4075f0e747..f06e8c014c 100644
--- a/packages/client/ui-primitives/README.md
+++ b/packages/client/ui-primitives/README.md
@@ -2,7 +2,11 @@
 
 English | [中文](README.zh.md)
 
-Pure React atoms (zero cordis): StateDot, ic_ds_* icons, Button/Pill/Menu/Modal/Input, the markdown family (MessageText/MarkdownText/JsonBlock), the read-only JsonTree inspector, the `useAnchoredMaxHeight` hook that clamps a bottom-anchored overlay to the viewport space above its anchor (re-measured on resize, scroll, and a caller-supplied dependency), and TerminalBlock. Contract: api-contracts v3 §8.
+Pure React atoms (zero cordis): StateDot, ic_ds_* icons, Button/Pill/Menu/Modal/Input, the markdown family (MessageText/MarkdownText/JsonBlock), the read-only JsonTree inspector, the `useAnchoredMaxHeight` hook that clamps a bottom-anchored overlay to the viewport space above its anchor (re-measured on resize, scroll, and a caller-supplied dependency), TerminalBlock, DiffBlock, ReadBlock, SearchBlock, and WebBlock. Contract: api-contracts v3 §8.
+
+## Hover cards
+
+`HoverCard` keeps its portaled preview reachable across the anchor gap with a pointer-leave grace. A consumer may also pass `copyText`: the card then exposes button semantics for pointer and keyboard activation, includes that value after the `copyLabel` prefix in its accessible name, writes the exact value through the package clipboard helper, and temporarily replaces its content with `copiedLabel` only after the host accepts the write. A non-collapsed text selection intersecting the card suppresses pointer-click activation, while success feedback retains the original card height and clears when the card closes or after one second. `copyLabel` and `copiedLabel` are label props because this zero-cordis atom cannot read the application locale; omitting `copyText` preserves the read/select-only card. Rationale: [the hover-card copy note](../../../.agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.md).
 
 ## Markdown rendering
 
@@ -12,6 +16,22 @@ Pure React atoms (zero cordis): StateDot, ic_ds_* icons, Button/Pill/Menu/Modal/
 
 `TerminalBlock` renders a shell command as a terminal surface: one prompt row per line of the command (the shortened `cwd` label on the first row only, since the view knows one working directory and a `cd` moves later lines elsewhere, then that line), the command's output, a status pill for a non-zero exit code or a terminating signal, and a copy control that writes the raw `output` prop. A run-state `StateDot` marks the call once, on the first row, out of flow in a gutter the card reserves as its own left padding, so the dot sits inside the card box yet left of the prompt text. It reaches three of `StateDot`'s states — the chase while `running`, red for the same exit status that renders the pill, green otherwise — so a card states whether its command is still running rather than leaving that to be inferred from the presence of output; it carries one visually hidden text label because `StateDot` is `aria-hidden`. One dot regardless of line count is deliberate: the exit status is the whole call's, so a dot per line would claim a per-line outcome the view does not carry. Command text is `white-space: pre`, so repeated spaces, tabs, and an indented continuation render verbatim while the row stays single-line and ellipsizes. ANSI escape sequences are parsed with the `anser` runtime dependency into React spans; cursor movements replay into a per-line column buffer before inert controls are stripped, since carriage return and backspace only MOVE the cursor: `100%` + CR + `OK` alone shows `OK0%`, while the `\x1b[K` a spinner writes with its redraw erases the tail so `100%\r\x1b[KOK` shows `OK`. Erase-in-line is honored in all three parameter forms, the cursor advances by terminal columns (8-column tab stops, two for emoji and CJK, none for a combining mark), and SGR state is normalized per cell as a terminal stores it, threading across lines and closing at the state the line ended in; basic-16 foreground colors map onto `--dsw-*` tokens, while 256-palette and truecolor values pass through as literal rgb. Output keeps `white-space: pre` with horizontal scrolling, so column-aligned output holds its alignment instead of soft-wrapping, and collapses to a head slice plus a tail slice past `maxLines` (default 16, the TUI transcript's split arithmetic) behind an expand button. Rationale: [the web terminal card note](../../../.agents/notes/implemented/feature/2026-07-28-web-terminal-card.md).
 
+## Read rendering
+
+`ReadBlock` renders a returned file window as a line-numbered, syntax-highlighted code surface: a bold path (or presenter-supplied title) banner with a copy control, then the content lines with their file line numbers in a gutter (a windowed read keeps the file's own numbering, so a read past an offset starts above 1). A `totalLines` exceeding the window count draws a `showing N of M` note, and the body collapses to a head slice plus a tail slice past `maxLines` (default 16, the TerminalBlock split arithmetic) behind an expand button. Highlighting runs through the same shiki path as `CodeBlock`. Rationale: [the web read card note](../../../.agents/notes/implemented/feature/2026-07-30-web-read-card.md).
+
+## Diff rendering
+
+`DiffBlock` renders a file mutation as an inline diff surface: one bold path header per file, the removed lines (`- `, error token) above the added lines (`+ `, success token), a `⋯` gap before a same-file second hunk, and a dim `└ +A -R · N file(s)` footer. Lines are `white-space: pre` with horizontal scrolling, so a source line holds its indentation instead of soft-wrapping, and the body collapses to a head slice plus a tail slice past `maxLines` (default 16, `TerminalBlock`'s split arithmetic) behind an expand button. A create (`oldText: null`) has no removed side. The copy control writes the prefixed diff text (path headers, `- `/`+ ` lines, the gap) so a multi-file copy stays attributable, and floats in the top-right corner rather than on a banner row of its own. Geometry mirrors `CodeBlock`/`TerminalBlock`. The `+`/`-` block form mirrors the TUI transcript's diff card so a diff reads the same across front ends. Rationale: [the web diff card note](../../../.agents/notes/implemented/feature/2026-07-30-web-diff-card.md).
+
+## Search results
+
+`SearchBlock` renders a completed search, one component for both kinds (discriminated by `kind`). A `matches` (grep) shows each file as a bold path header with its `lineNumber: line` rows, the per-file group collapsible; a `paths` (glob) shows a flat path list. Both flatten to one row list the height cap slices head/tail over (default 16, the TerminalBlock split arithmetic), and neither soft-wraps — a long match line or path scrolls horizontally instead of folding. The banner summary folds the pre-cap total in when the tool capped the result (`显示 X / 共 N 处匹配 · K 个文件` for grep, `显示 X / 共 N 个路径` for glob), so the card never presents a capped result as complete; a copy control writes the whole structured result regardless of the cap or which groups are collapsed. Geometry mirrors CodeBlock/TerminalBlock. Rationale: [the web search card note](../../../.agents/notes/implemented/feature/2026-07-30-web-search-card.md).
+
+## Web retrieval
+
+`WebBlock` renders a completed web retrieval, one component for both kinds of the `web` render intent (discriminated by `kind`). A `search` shows an optional provider answer (through `MarkdownText`) above an ordered citation list: each source is a safe external link labelled by its title, or its hostname, falling back to the raw URL when the URL does not parse or has no hostname (a `file:`/`data:` URL) so a label is never blank; its snippet and publication date render below it. Only http(s) URLs become anchors (`target`/`rel` set) — the http(s) subset of the allowlist `MarkdownText` applies to untrusted links (it also permits `mailto:`, excluded here); any other URL renders as plain text. A long list caps at `maxSources` (default 16, the TerminalBlock split arithmetic) with a head/tail collapse; the collapsed tail keeps each source's original citation number via `<li value>`, and the expand control is a marker-less `<li>` so the `<ol>` stays valid HTML. When a search legitimately returns no answer and no sources, the card shows an explicit empty-state note rather than a blank `<ol>` (the chat row does not surface the raw result content). A `fetch` shows a compact summary: the linked final URL and its HTTP status. Both mark a capped retrieval. Rationale: [the web result card note](../../../.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.md).
+
 ## Model Experience
 
 None, as the package renders pure React atoms in the browser; nothing here reaches a model request.
@@ -25,5 +45,5 @@ None; this package neither assembles nor sends a provider request.
 - **Glyph-level icons are redrawn approximations** — the fish logo (and the sparkle held by ui-conversation) come from font glyphs whose vector geometry is not exportable from the local design data; hand-authored recreations stand in until an exact export path exists.
 - **Pill and Input have no design source** — both atoms are self-defined; the sidebar search field and view-tab strip that resemble them are consumer-owned compositions, not these atoms.
 - **StateDot `Active` variant is a hidden placeholder in the design** — not implemented; the four shipped states (done/warning/ongoing/error) are the complete P-I surface.
-- **User-facing copy localizes through label props, defaulting to the original Chinese literals** — the atoms are zero-cordis and cannot reach `ctx.locale`, so `TerminalBlock` (`labels`), `JsonTree` (`labels`), `CodeBlock` (`copyLabel`/`copiedLabel`), `MarkdownText` (`codeLabels`), `JsonBlock` (`truncatedLabel`), `ConnectionBanner` (`label`), and `Modal` (`closeLabel`) take their copy as optional props with the previous hardcoded strings as defaults. Localized plugins pass dictionary-driven labels from their own `t` seat; a consumer that passes nothing renders exactly the pre-localization output.
+- **User-facing copy localizes through label props, defaulting to the original Chinese literals** — the atoms are zero-cordis and cannot reach `ctx.locale`, so `HoverCard` (`copyLabel`/`copiedLabel`), `TerminalBlock` (`labels`), `JsonTree` (`labels`), `CodeBlock` (`copyLabel`/`copiedLabel`), `MarkdownText` (`codeLabels`), `JsonBlock` (`truncatedLabel`), `ConnectionBanner` (`label`), and `Modal` (`closeLabel`) take their copy as optional props with the previous hardcoded strings as defaults. Localized plugins pass dictionary-driven labels from their own `t` seat; a consumer that passes nothing renders exactly the pre-localization output. `WebBlock` does not yet follow this pattern: its source expand/collapse controls, source-list and fetch truncation notes, and empty-search note stay inline Chinese, pending the same label-prop treatment.
 - **`TerminalBlock` is not a terminal emulator** — it renders settled or still-running command output, not an interactive session: SGR color and attributes are honored, and so are the in-line cursor movements a progress line uses — carriage return, backspace, erase-in-line, tab stops and character width. Absolute cursor positioning, screen clearing, and alternate-screen sequences are stripped. Basic-16 magenta and cyan have no token equivalent and stay literal rgb.
diff --git a/packages/client/ui-primitives/README.zh.md b/packages/client/ui-primitives/README.zh.md
index 7fd9529e59..feb97ee9fa 100644
--- a/packages/client/ui-primitives/README.zh.md
+++ b/packages/client/ui-primitives/README.zh.md
@@ -2,15 +2,36 @@
 
 [English](README.md) | 中文
 
-纯 React 原子组件（零 cordis）：StateDot、ic_ds_* 图标、Button/Pill/Menu/Modal/Input、markdown 家族（MessageText/MarkdownText/JsonBlock）、只读 JsonTree 检查器、`useAnchoredMaxHeight` hook（把底部锚定的浮层高度收敛到锚点上方的视口空间，并在 resize、scroll 与调用方提供的依赖变化时重新测量），以及 TerminalBlock。契约：api-contracts v3 §8。
+纯 React 原子组件（零 cordis）：StateDot、ic_ds_* 图标、Button/Pill/Menu/Modal/Input、markdown 家族（MessageText/MarkdownText/JsonBlock）、只读 JsonTree 检查器、`useAnchoredMaxHeight` hook（把底部锚定的浮层高度收敛到锚点上方的视口空间，并在 resize、scroll 与调用方提供的依赖变化时重新测量）、TerminalBlock、DiffBlock、ReadBlock、SearchBlock，以及 WebBlock。契约：api-contracts v3 §8。
+
+## 悬浮卡片
+
+`HoverCard` 通过指针离开宽限期，让采用 portal 渲染的预览在跨越与锚点之间的间隙时仍可抵达。消费方还可传入 `copyText`：此时卡片为指针与键盘激活提供按钮语义，其无障碍名称会在 `copyLabel` 前缀后包含该值，通过包内剪贴板辅助函数原样写入该值，并且只有宿主接受写入后，才会临时将内容替换为 `copiedLabel`。与卡片相交的非折叠文本选区会阻止指针点击激活；成功反馈保持卡片原有高度，并随卡片关闭或在一秒后清除。`copyLabel` 和 `copiedLabel` 采用 label prop，是因为这个 zero-cordis 原子组件无法读取应用 locale；省略 `copyText` 时，卡片维持只读且可选择文本的行为。理由见[悬浮卡片复制 Agent Note](../../../.agents/notes/implemented/feature/2026-07-31-hover-card-click-copy.md)。
 
 ## Markdown 渲染
 
 `MarkdownText` 通过 React 元素渲染来自不受信任 assistant 输出的 GFM。它会省略原始 HTML，使相对链接及非 HTTP(S)/mailto 链接失效，以安全的外部链接属性打开 HTTP(S) 链接，并只渲染图片 alt 文本而不加载远程资源；`MessageText` 仍是用户创作内容使用的字面文本原语。`extractMarkdownPlainText` 会移除 Markdown 呈现标记以用于紧凑标签，同时将原始 HTML 保留为字面文本。元素间距、表格、链接与行内代码使用与 deepsuite `@deepseek/md` 相同的 `--dsw-alias-markdown-*` / `--dsw-font-markdown-*` token。围栏代码块通过 `CodeBlock` 渲染（语言横幅、复制控件，以及对已注册语法使用 shiki）。
+
 ## 终端输出
 
 `TerminalBlock` 将一条 shell 命令渲染为终端表层：命令的每一行各占一个提示行（缩短后的 `cwd` 标签只出现在第一行，因为视图只知道一个工作目录，而一个 `cd` 就会让后面的行去到别处，标签之后是该行）、命令输出、非零退出码或终止信号对应的状态胶囊，以及写入原始 `output` prop 的复制控件。一枚运行状态 `StateDot` 为整次调用标记一次，位于第一行，以脱离文档流的方式落在卡片以自身左内边距预留的落区中，因此它位于卡片盒之内、提示文字之左。它用到 `StateDot` 的三种状态——`running` 期间为追逐动画，与渲染状态胶囊相同的退出状态为红色，其余为绿色——因此卡片直接陈述其命令是否仍在运行，而不是让人从有无输出中推断；由于 `StateDot` 是 `aria-hidden`，它携带一处视觉隐藏的文本标签。无论多少行都只有一枚状态点是有意为之：退出状态属于整次调用，因此每行一枚就会声称一个视图并不携带的逐行结果。命令文本使用 `white-space: pre`，因此重复空格、制表符与缩进续行都原样呈现，同时该行仍保持单行并以省略号截断。ANSI 转义序列通过运行时依赖 `anser` 解析为 React span；光标移动在剥除无显示意义控制符之前先重放进逐行的列缓冲，因为回车与退格**只移动**光标：单是 `100%` 加回车再加 `OK` 显示为 `OK0%`，而 spinner 随重绘写出的 `\x1b[K` 会擦掉尾巴，因此 `100%\r\x1b[KOK` 显示为 `OK`。行内擦除的三种参数形式都被遵循，光标按终端列推进（8 列制表位；emoji 与 CJK 占两列；组合标记不占列），SGR 状态按单元格归一化存储，与终端一致，并跨行延续、在行结束时的状态处收束；基础 16 色前景色映射到 `--dsw-*` token，而 256 色板与真彩色值按字面 rgb 透传。输出保持 `white-space: pre` 并支持横向滚动，因此按列对齐的输出保留其对齐而不会软换行；超过 `maxLines`（默认 16，与 TUI 转录相同的切分算法）时折叠为头部切片加尾部切片，由展开按钮控制。原理：[Web 终端卡片笔记](../../../.agents/notes/implemented/feature/2026-07-28-web-terminal-card.md)。
 
+## Read 渲染
+
+`ReadBlock` 将返回的文件窗口渲染为带行号、语法高亮的代码表层：一个粗体路径（或 presenter 提供的标题）横幅加复制控件，其下是内容行，行号槽里是文件自身的行号（窗口化的 read 保留文件本身的编号，因此偏移之后的 read 从大于 1 处起始）。`totalLines` 超过窗口行数时画出 `showing N of M` 提示；超过 `maxLines`（默认 16，与 TerminalBlock 相同的切分算法）时折叠为头部切片加尾部切片，由展开按钮控制。高亮走与 `CodeBlock` 相同的 shiki 路径。原理：[Web read 卡片笔记](../../../.agents/notes/implemented/feature/2026-07-30-web-read-card.md)。
+
+## Diff 渲染
+
+`DiffBlock` 将一次文件改动渲染为内联 diff 表层：每个文件一个粗体路径头、删除行（`- `，error token）在新增行（`+ `，success token）之上、同文件第二个 hunk 前一个 `⋯` gap，以及暗色 `└ +A -R · N file(s)` 页脚。各行使用 `white-space: pre` 并横向滚动，因此源码行保留其缩进而不软换行；超过 `maxLines`（默认 16，与 `TerminalBlock` 相同的切分算法）时折叠为头部切片加尾部切片，由展开按钮控制。新建（`oldText: null`）没有删除侧。复制控件写入带前缀的 diff 文本（路径头、`- `/`+ ` 行、gap），使多文件复制保持可归属，并浮在右上角而非占据自己的 banner 行。几何镜像 `CodeBlock`/`TerminalBlock`。`+`/`-` 块形式镜像 TUI 转录的 diff 卡片，使 diff 在两个前端读起来一致。原理：[Web diff 卡片笔记](../../../.agents/notes/implemented/feature/2026-07-30-web-diff-card.md)。
+
+## 搜索结果
+
+`SearchBlock` 渲染一次已完成的搜索，并通过 `kind` 判别，由一个组件处理两种结果。`matches`（grep）将每个文件显示为粗体路径头及其 `lineNumber: line` 行，各文件组均可折叠；`paths`（glob）显示扁平的路径列表。两者都摊平成一个行列表，由高度上限对其做头尾切片（默认 16，与 `TerminalBlock` 相同的切分算法），且都不软换行：较长的匹配行或路径会横向滚动而非折行。当工具截断结果时，banner 摘要会包含截断前的总数（grep 为 `显示 X / 共 N 处匹配 · K 个文件`，glob 为 `显示 X / 共 N 个路径`），使卡片绝不把截断后的结果呈现为完整结果；无论是否触及上限或哪些组处于折叠状态，复制控件都会写入完整的结构化结果。几何结构与 `CodeBlock`/`TerminalBlock` 一致。原理：[Web 搜索卡片笔记](../../../.agents/notes/implemented/feature/2026-07-30-web-search-card.md)。
+
+## Web 检索
+
+`WebBlock` 渲染一次已完成的 web 检索，用一个组件绘制 `web` 渲染意图的两种 kind（由 `kind` 判别）。`search` 在有序引用列表上方显示可选的 provider answer（通过 `MarkdownText`）：每个 source 是一个安全外链，以其标题为标签，或以其主机名为标签，当 URL 无法解析或没有主机名（`file:`/`data:` URL）时回退到原始 URL，因此标签绝不为空；其下渲染 snippet 与发布日期。只有 http(s) URL 会成为锚点（设置 `target`/`rel`）——这是 `MarkdownText` 对不受信任链接所用 allowlist 的 http(s) 子集（该 allowlist 还允许 `mailto:`，此处排除）；任何其他 URL 渲染为纯文本。长列表在 `maxSources`（默认 16，即 TerminalBlock 的切分算术）处折叠为头部/尾部；折叠的尾部通过 `<li value>` 保留每个 source 原始的引用编号，展开控件是无 marker 的 `<li>`，使 `<ol>` 保持为合法 HTML。当一次 search 合法地返回无 answer 且无 source 时，卡片显示一个明确的空状态提示，而不是空的 `<ol>`（chat 行不呈现原始 result content）。`fetch` 显示一个紧凑摘要：带链接的最终 URL 及其 HTTP 状态。两者都会标记一次被截断的检索。原理：[Web result 卡片笔记](../../../.agents/notes/implemented/feature/2026-07-30-web-result-card-frontend.md)。
+
 ## 模型体验
 
 无。该包（package）在浏览器中渲染纯 React 原子组件；这里没有任何内容进入模型请求。
@@ -24,5 +45,5 @@
 - **字形级图标是重新绘制的近似版本**：鱼形标志（以及 ui-conversation 持有的闪光图标）来自字体字形，而本地设计数据无法导出其矢量几何；在获得精确导出路径前，使用手工重建版本代替。
 - **Pill 与 Input 没有设计来源**：两个原子组件均自行定义；与其相似的侧边栏搜索字段和视图标签条由消费方组合，不是这些原子组件。
 - **StateDot 的 `Active` 变体是设计中的隐藏占位符**：尚未实现；已交付的四种状态（done/warning/ongoing/error）构成完整的 P-I 表层。
-- **面向用户的文案经 label props 本地化，默认值为原中文字面量**：这些原子组件是 zero-cordis 的，拿不到 `ctx.locale`，因此 `TerminalBlock`（`labels`）、`JsonTree`（`labels`）、`CodeBlock`（`copyLabel`/`copiedLabel`）、`MarkdownText`（`codeLabels`）、`JsonBlock`（`truncatedLabel`）、`ConnectionBanner`（`label`）和 `Modal`（`closeLabel`）都把文案作为可选 props 接收，默认值即此前的硬编码字符串。已本地化的插件用自己的 `t` 席位传入字典驱动的 label；什么都不传的消费者渲染与本地化之前逐字节一致。
+- **面向用户的文案经 label props 本地化，默认值为原中文字面量**：这些原子组件是 zero-cordis 的，拿不到 `ctx.locale`，因此 `HoverCard`（`copyLabel`/`copiedLabel`）、`TerminalBlock`（`labels`）、`JsonTree`（`labels`）、`CodeBlock`（`copyLabel`/`copiedLabel`）、`MarkdownText`（`codeLabels`）、`JsonBlock`（`truncatedLabel`）、`ConnectionBanner`（`label`）和 `Modal`（`closeLabel`）都把文案作为可选 props 接收，默认值即此前的硬编码字符串。已本地化的插件用自己的 `t` 席位传入字典驱动的 label；什么都不传的消费者渲染与本地化之前逐字节一致。`WebBlock` 尚未跟进这一模式：它的来源展开/收起控件、来源列表与 fetch 截断提示、以及空搜索提示仍是内联中文，待同样的 label-prop 处理。
 - **`TerminalBlock` 不是终端模拟器**：它渲染已结束或仍在运行的命令输出，而不是交互式会话：SGR 颜色与属性会被遵循，进度行所用的行内光标移动同样被遵循——回车、退格、行内擦除、制表位与字符宽度。绝对光标定位、清屏与备用屏幕序列会被剥离。基础 16 色中的洋红与青色没有对应 token，保持字面 rgb。
diff --git a/packages/client/ui-primitives/src/DiffBlock.module.css b/packages/client/ui-primitives/src/DiffBlock.module.css
new file mode 100644
index 0000000000..c5b79006a3
--- /dev/null
+++ b/packages/client/ui-primitives/src/DiffBlock.module.css
@@ -0,0 +1,107 @@
+/* Geometry mirrors CodeBlock/TerminalBlock (12px radius, code-block surface +
+   banner row, markdown code-block font) so a diff card reads as one family with
+   a fenced block and a terminal card. The deliberate divergence, shared with
+   TerminalBlock: the body keeps `white-space: pre` and scrolls horizontally,
+   because folding a source line destroys the indentation a diff is read by. */
+
+.block {
+  --dsl-diff-radius: 12px;
+  --dsl-diff-line-height: 22px;
+
+  position: relative;
+  margin: 16px 0;
+  color: var(--dsw-alias-label-primary);
+  background: var(--dsw-alias-markdown-code-block);
+  border-radius: var(--dsl-diff-radius);
+}
+
+/* The copy control floats in the top-right corner over the body, so the card
+   has no empty banner row above its first diff line (the TUI diff card has no
+   banner either — only the footer). The block is position: relative, so this
+   anchors to the card. */
+.copyButton {
+  position: absolute;
+  top: 8px;
+  right: 12px;
+  z-index: 1;
+  background-color: transparent;
+  border: none;
+  padding: 0;
+  margin: 0;
+  color: var(--dsw-alias-label-secondary);
+  cursor: pointer;
+  font: var(--dsw-font-xs-13);
+}
+
+.body {
+  padding: 12px 14px;
+  font: var(--dsw-font-markdown-code-block);
+  overflow-x: auto;
+  overflow-y: hidden;
+}
+
+/* No wrapping, no word-break: a diff is read by its indentation. */
+.line {
+  min-height: var(--dsl-diff-line-height);
+  white-space: pre;
+}
+
+/* A file header: the path in the primary tone, set apart by weight. The copy
+   button floats over this first row's top-right corner, so reserve space at the
+   line's end for it — a long path scrolls under the button otherwise, and the
+   button's hit area would eat clicks on the path's tail. */
+.path {
+  color: var(--dsw-alias-label-primary);
+  font-weight: 600;
+  padding-right: 56px;
+}
+
+/* A same-file second hunk's separator (a scattered edit), in the dim tone. */
+.gap {
+  color: var(--dsw-alias-label-tertiary);
+}
+
+/* The diff's own meaning-carrying colors: removed on the error token, added on
+   the success token. A `- `/`+ ` prefix is drawn here so a copied line and the
+   shown line agree, and so the sign reads without relying on color alone. */
+.del::before {
+  content: '- ';
+  color: var(--dsw-alias-state-error-primary);
+}
+
+.del {
+  color: var(--dsw-alias-state-error-primary);
+}
+
+.add::before {
+  content: '+ ';
+  color: var(--dsw-alias-state-success-primary);
+}
+
+.add {
+  color: var(--dsw-alias-state-success-primary);
+}
+
+.expand {
+  display: block;
+  width: 100%;
+  padding: 0;
+  border: none;
+  background-color: transparent;
+  color: var(--dsw-alias-label-tertiary);
+  cursor: pointer;
+  font: inherit;
+  text-align: left;
+}
+
+.expand:hover {
+  color: var(--dsw-alias-label-secondary);
+}
+
+/* The change summary, dim under the body: `└ +A -R · N file(s)`, the same
+   footer the TUI transcript's diff card draws. */
+.footer {
+  padding: 0 14px 12px;
+  font: var(--dsw-font-markdown-code-block);
+  color: var(--dsw-alias-label-tertiary);
+}
diff --git a/packages/client/ui-primitives/src/DiffBlock.tsx b/packages/client/ui-primitives/src/DiffBlock.tsx
new file mode 100644
index 0000000000..23c498b1d1
--- /dev/null
+++ b/packages/client/ui-primitives/src/DiffBlock.tsx
@@ -0,0 +1,196 @@
+// DiffBlock: the inline-diff surface for a file mutation (write/edit) — a copy
+// control over one or more per-file hunks, each a bold path header followed by
+// the removed block (`-`, error color) and the added block (`+`, success
+// color), with a dim `└ +A -R · N file(s)` footer. The +/- block form mirrors
+// the TUI transcript's diff card (packages/ui/tui: diffLines) so a diff reads
+// the same across front ends: the removed side is the old text in full, the
+// added side the new text in full, both split on the same terminator rule, and
+// the footer counts distinct paths on both ends. Output never soft-wraps — an
+// aligned source line keeps its indentation and scrolls horizontally instead of
+// folding. Colors resolve through --dsw-* tokens; geometry mirrors CodeBlock.
+
+import { useCallback, useMemo, useState } from 'react'
+import clsx from 'clsx'
+import { writeClipboard } from './clipboard.ts'
+import css from './DiffBlock.module.css'
+
+/**
+ * Output lines shown before the height cap collapses the middle. Matches
+ * {@link DEFAULT_TERMINAL_MAX_LINES} so a diff card and a terminal card cut a
+ * long body at the same place.
+ */
+export const DEFAULT_DIFF_MAX_LINES = 16
+
+/**
+ * One file's change, in the shape {@link DiffBlock} draws. Structurally the
+ * render-intent contract's `FileDiff`, redeclared here so this primitive stays
+ * free of the tool contract (the terminal card's decoupling, applied to diffs).
+ */
+export interface DiffHunk {
+  /** The changed file's path, drawn verbatim as the hunk's header (the tool's model-facing path). */
+  path: string
+  /** Prior content, or `null` for a new file / an overwrite (nothing on the removed side). */
+  oldText: string | null
+  /** Content after the change (the added side). */
+  newText: string
+}
+
+export interface DiffBlockProps {
+  /** One entry per applied hunk, in file order; empty renders nothing. */
+  diffs: DiffHunk[]
+  /** Height cap in body lines before the middle collapses (default {@link DEFAULT_DIFF_MAX_LINES}). */
+  maxLines?: number | undefined
+  /** Extra class merged onto the wrapper (callers position; this component draws). */
+  className?: string | undefined
+}
+
+/** A single rendered body line and its role, so the height cap slices a flat list. */
+interface DiffRow {
+  kind: 'path' | 'del' | 'add' | 'gap'
+  text: string
+}
+
+/** Local exhaustiveness helper — this package does not depend on `dsh-llm`. */
+/* v8 ignore next 3 -- closed-union backstop; only reached if a row kind is forged */
+function assertNever(value: never): never {
+  throw new Error(`unreachable diff row kind: ${String(value)}`)
+}
+
+/** The dim class per row kind (path/gap chrome vs the diff's own +/- colors). */
+const ROW_CLASS: Record<DiffRow['kind'], string | undefined> = {
+  path: css.path,
+  del: css.del,
+  add: css.add,
+  gap: css.gap,
+}
+
+/**
+ * Flatten the hunks into the body's rows plus the footer counts. A path header
+ * opens each new file; a same-file second hunk (a scattered edit) opens with a
+ * `⋯` gap instead of repeating the path. Every old-side line counts toward
+ * `removed` and every new-side line toward `added`. The file count is of
+ * DISTINCT paths, matching the TUI diff card's footer, so two hunks in one file
+ * read as `1 file` on both front ends.
+ * @param diffs - the hunks to render.
+ * @returns the body rows, the +/- totals, and the distinct-file count.
+ */
+function buildRows(diffs: DiffHunk[]): { rows: DiffRow[]; added: number; removed: number; files: number } {
+  const rows: DiffRow[] = []
+  const paths = new Set<string>()
+  let added = 0
+  let removed = 0
+  let prevPath: string | undefined
+  for (const diff of diffs) {
+    paths.add(diff.path)
+    if (diff.path !== prevPath) rows.push({ kind: 'path', text: diff.path })
+    else rows.push({ kind: 'gap', text: '⋯' })
+    prevPath = diff.path
+    if (diff.oldText !== null) {
+      for (const line of contentLines(diff.oldText)) {
+        rows.push({ kind: 'del', text: line })
+        removed++
+      }
+    }
+    for (const line of contentLines(diff.newText)) {
+      rows.push({ kind: 'add', text: line })
+      added++
+    }
+  }
+  return { rows, added, removed, files: paths.size }
+}
+
+/**
+ * Split a side's text into its content lines. Empty text is zero lines (a full
+ * deletion's `newText` or a create's absent `oldText` side draws nothing), and a
+ * single trailing newline is a line terminator rather than an extra empty line —
+ * the same terminator rule TerminalBlock applies to command output. An interior
+ * blank line (a genuine `\n\n`) survives.
+ * @param text - the removed or added side's text.
+ * @returns the content lines, without the terminating newline.
+ */
+function contentLines(text: string): string[] {
+  if (text === '') return []
+  const body = text.endsWith('\n') ? text.slice(0, -1) : text
+  return body.split('\n')
+}
+
+/**
+ * The diff text a reader copies: each row's `-`/`+`/path/gap prefix and its
+ * content, exactly what the card shows. The removed and added blocks are the
+ * change; the path headers keep a multi-file copy attributable.
+ * @param rows - the flattened body rows.
+ * @returns the diff as plain text.
+ */
+function copyText(rows: DiffRow[]): string {
+  return rows.map((row) => {
+    switch (row.kind) {
+      case 'del': return `- ${row.text}`
+      case 'add': return `+ ${row.text}`
+      case 'path': return row.text
+      case 'gap': return row.text
+      /* v8 ignore next -- closed-union backstop; only reached if a row kind is forged */
+      default: return assertNever(row.kind)
+    }
+  }).join('\n')
+}
+
+/**
+ * Render a file mutation as an inline diff surface.
+ * @param props - see {@link DiffBlockProps}.
+ * @returns the diff block element.
+ */
+export function DiffBlock({ diffs, maxLines = DEFAULT_DIFF_MAX_LINES, className }: DiffBlockProps) {
+  const { rows, added, removed, files } = useMemo(() => buildRows(diffs), [diffs])
+  const [expanded, setExpanded] = useState(false)
+  const [copied, setCopied] = useState(false)
+
+  const onCopy = useCallback(() => {
+    if (copied) return
+    void writeClipboard(copyText(rows)).then((ok) => {
+      if (!ok) return
+      setCopied(true)
+      window.setTimeout(() => { setCopied(false) }, 1000)
+    })
+  }, [copied, rows])
+
+  const onToggle = useCallback(() => { setExpanded(value => !value) }, [])
+
+  if (rows.length === 0) return null
+
+  const hidden = rows.length - maxLines
+  const capped = hidden > 0 && !expanded
+  // Same split arithmetic as TerminalBlock and the TUI transcript's collapsed
+  // card, so a body's head and tail slices agree across the front ends.
+  const headLines = Math.ceil(maxLines / 2)
+  const tailLines = maxLines - headLines
+  const head = capped ? rows.slice(0, headLines) : rows
+  const tail = capped ? rows.slice(rows.length - tailLines) : []
+
+  return (
+    <div className={clsx(css.block, className)} data-diff="">
+      <button type="button" className={css.copyButton} onClick={onCopy}>
+        {copied ? '复制成功' : '复制'}
+      </button>
+      <div className={css.body}>
+        {head.map((row, index) => (
+          <div key={index} className={clsx(css.line, ROW_CLASS[row.kind])}>{row.text}</div>
+        ))}
+        {hidden > 0 && (
+          <button
+            type="button"
+            className={css.expand}
+            aria-expanded={expanded}
+            aria-label={expanded ? '收起差异' : `展开其余 ${hidden} 行差异`}
+            onClick={onToggle}
+          >
+            {expanded ? '收起' : `… 其余 ${hidden} 行`}
+          </button>
+        )}
+        {tail.map((row, index) => (
+          <div key={index} className={clsx(css.line, ROW_CLASS[row.kind])}>{row.text}</div>
+        ))}
+      </div>
+      <div className={css.footer}>└ +{added} -{removed} · {files} file{files === 1 ? '' : 's'}</div>
+    </div>
+  )
+}
diff --git a/packages/client/ui-primitives/src/HoverCard.module.css b/packages/client/ui-primitives/src/HoverCard.module.css
index 8d8a52100e..8d425ca85c 100644
--- a/packages/client/ui-primitives/src/HoverCard.module.css
+++ b/packages/client/ui-primitives/src/HoverCard.module.css
@@ -7,7 +7,9 @@
 
 /* Preview card (figma session hover card): 244 wide, r12, pad 12/16, the
  * menu card's elevation. Surface is #2C2C2E in both themes (figma value,
- * light/dark identical), so a component-level variable, not a theme token. */
+ * light/dark identical), so a component-level variable, not a theme token.
+ * Hit-testable on purpose: resting the pointer on the card holds it open
+ * (HoverCard's grace close), which a `pointer-events: none` card cannot do. */
 .card {
   --dsw-hovercard-bg: #2C2C2E;
   position: fixed;
@@ -18,5 +20,35 @@
   border-radius: 12px;
   background: var(--dsw-hovercard-bg);
   box-shadow: var(--dsw-shadow-lv3);
-  pointer-events: none;
+}
+
+.copyable {
+  cursor: pointer;
+}
+
+.copyable:focus-visible {
+  outline: 2px solid var(--dsw-alias-state-business-primary);
+  outline-offset: 2px;
+}
+
+.feedback {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.copied {
+  color: #FFFFFF;
+  font-size: 14px;
+  line-height: 20px;
+  text-align: center;
+}
+
+.status {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  overflow: hidden;
+  clip: rect(0 0 0 0);
+  white-space: nowrap;
 }
diff --git a/packages/client/ui-primitives/src/HoverCard.tsx b/packages/client/ui-primitives/src/HoverCard.tsx
index 1720a0b79c..ea14afad1f 100644
--- a/packages/client/ui-primitives/src/HoverCard.tsx
+++ b/packages/client/ui-primitives/src/HoverCard.tsx
@@ -1,33 +1,73 @@
 // HoverCard: delayed hover-preview card portaled to document.body.
 // Same portal mechanics as Menu: the wrapper span supplies the anchor rect,
 // the card is fixed-positioned at its right edge and repositions on
-// scroll/resize while open. Display-only — the card ignores pointer events
-// and closes the instant the pointer leaves the anchor (no close delay).
+// scroll/resize while open. The card is reachable: it takes pointer events,
+// and leaving the anchor only arms a grace-delayed close, so the pointer can
+// cross the 8px gap and settle on the card to read a clipped path or title.
+// The portaled card is a React child of the wrapper, so React's enter/leave
+// traversal already treats it as inside — one pair of wrapper handlers covers
+// anchor and card alike.
 
-import { useEffect, useLayoutEffect, useRef, useState } from 'react'
+import { useCallback, useEffect, useLayoutEffect, useRef, useState } from 'react'
 import type { ReactNode } from 'react'
 import { createPortal } from 'react-dom'
+import { writeClipboard } from './clipboard.ts'
+import { usePointerGrace } from './pointer-grace.ts'
 import css from './HoverCard.module.css'
 
 /**
  * Render an anchor with a hover-triggered preview card.
  * @param props.anchor - the hover target (rendered in place inside a wrapper span).
- * @param props.content - card content (display-only, no pointer interaction).
+ * @param props.content - card content; the pointer may rest on it, so it is
+ * readable and selectable, but it carries no dismissal affordance of its own.
  * @param props.openDelayMs - hover dwell before the card shows (default 500).
  * @param props.disabled - suppress opening; turning true closes an open card.
+ * @param props.copyText - optional primary value copied by activation and
+ * included in the card's accessible name.
+ * @param props.copyLabel - accessible activation-label prefix (default "复制").
+ * @param props.copiedLabel - visible success label (default "复制成功").
  * @returns anchor wrapper with the conditional portaled card.
  */
-export function HoverCard({ anchor, content, openDelayMs = 500, disabled = false }: {
+export function HoverCard({
+  anchor, content, openDelayMs = 500, disabled = false,
+  copyText, copyLabel = '复制', copiedLabel = '复制成功',
+}: {
   anchor: ReactNode
   content: ReactNode
   openDelayMs?: number
   disabled?: boolean
+  copyText?: string | undefined
+  copyLabel?: string | undefined
+  copiedLabel?: string | undefined
 }) {
   const rootRef = useRef<HTMLSpanElement>(null)
   const cardRef = useRef<HTMLDivElement>(null)
   const timerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
+  const copyTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
+  const copyHeightRef = useRef<number | null>(null)
+  const copyEpochRef = useRef(0)
+  const copyingRef = useRef(false)
+  const mountedRef = useRef(true)
   const [open, setOpen] = useState(false)
   const [pos, setPos] = useState<{ left: number; top: number } | null>(null)
+  const [copied, setCopied] = useState(false)
+
+  const clearCopied = useCallback(() => {
+    if (copyTimerRef.current !== null) {
+      clearTimeout(copyTimerRef.current)
+      copyTimerRef.current = null
+    }
+    copyHeightRef.current = null
+    setCopied(false)
+  }, [])
+
+  const close = useCallback(() => {
+    copyEpochRef.current += 1
+    clearCopied()
+    setOpen(false)
+  }, [clearCopied])
+
+  const { arm: armClose, cancel: cancelClose } = usePointerGrace(close)
 
   const clearTimer = () => {
     if (timerRef.current !== null) {
@@ -40,10 +80,22 @@ export function HoverCard({ anchor, content, openDelayMs = 500, disabled = false
   useEffect(() => {
     if (!disabled) return
     clearTimer()
-    setOpen(false)
-  }, [disabled])
+    cancelClose()
+    close()
+  }, [disabled, cancelClose, close])
 
-  useEffect(() => clearTimer, [])
+  useEffect(() => {
+    mountedRef.current = true
+    return () => {
+      mountedRef.current = false
+      copyEpochRef.current += 1
+      clearTimer()
+      if (copyTimerRef.current !== null) {
+        clearTimeout(copyTimerRef.current)
+        copyTimerRef.current = null
+      }
+    }
+  }, [])
 
   // Fixed-position from the anchor rect before paint; track the anchor while
   // open (capture-phase scroll catches nested panes), as in Menu portal mode.
@@ -79,9 +131,49 @@ export function HoverCard({ anchor, content, openDelayMs = 500, disabled = false
     }
   }, [open, pos])
 
+  const copy = async (text: string): Promise<void> => {
+    if (copied || copyingRef.current) return
+    copyingRef.current = true
+    const copyEpoch = copyEpochRef.current
+    const accepted = await writeClipboard(text)
+    copyingRef.current = false
+    const card = cardRef.current
+    if (!accepted || !mountedRef.current || copyEpoch !== copyEpochRef.current || card === null) return
+    const height = card.offsetHeight
+    copyHeightRef.current = height > 0 ? height : null
+    setCopied(true)
+    copyTimerRef.current = setTimeout(clearCopied, 1000)
+  }
+
+  const copyable = copyText !== undefined
   const card = open && pos !== null && (
-    <div ref={cardRef} className={css.card} style={pos}>
-      {content}
+    <div
+      ref={cardRef}
+      className={`${css.card}${copyable ? ` ${css.copyable}` : ''}${copied ? ` ${css.feedback}` : ''}`}
+      style={{ ...pos, minHeight: copied && copyHeightRef.current !== null ? copyHeightRef.current : undefined }}
+      role={copyable ? 'button' : undefined}
+      tabIndex={copyable ? 0 : undefined}
+      aria-label={copyable ? `${copyLabel}: ${copyText}` : undefined}
+      onClick={copyable
+        ? (e) => {
+          const selection = window.getSelection()
+          if (selection !== null && !selection.isCollapsed) {
+            for (let i = 0; i < selection.rangeCount; i += 1) {
+              if (selection.getRangeAt(i).intersectsNode(e.currentTarget)) return
+            }
+          }
+          void copy(copyText)
+        }
+        : undefined}
+      onKeyDown={copyable
+        ? (e) => {
+          if (e.key !== 'Enter' && e.key !== ' ') return
+          e.preventDefault()
+          void copy(copyText)
+        }
+        : undefined}
+    >
+      {copied ? <span className={css.copied} aria-hidden="true">{copiedLabel}</span> : content}
     </div>
   )
 
@@ -91,21 +183,33 @@ export function HoverCard({ anchor, content, openDelayMs = 500, disabled = false
       className={css.root}
       onPointerEnter={() => {
         if (disabled) return
+        // Coming back inside during the grace (the gap, or the card itself)
+        // keeps the current card rather than restarting the dwell.
+        cancelClose()
+        if (open) return
         clearTimer()
         timerRef.current = setTimeout(() => { setOpen(true) }, openDelayMs)
       }}
       onPointerLeave={() => {
         clearTimer()
-        setOpen(false)
+        // Leaving a closed card schedules a no-op close; only arm while
+        // open, matching Menu's shape.
+        if (open) armClose()
       }}
-      // Any press inside the anchor (row click, menu trigger) dismisses the
+      // A press inside the anchor (row click, menu trigger) dismisses the
       // card immediately, without waiting for the owner to flip `disabled`.
-      onPointerDownCapture={() => {
+      // Capture presses reach this handler from the card too — it is a React
+      // child of the wrapper — but a press there starts a selection, so the
+      // card must stay mounted under it (and the browser's click with it).
+      onPointerDownCapture={(e) => {
+        if (cardRef.current?.contains(e.target as Node)) return
         clearTimer()
-        setOpen(false)
+        cancelClose()
+        close()
       }}
     >
       {anchor}
+      {open && copyable && <span className={css.status} role="status">{copied ? copiedLabel : ''}</span>}
       {card !== false && createPortal(card, document.body)}
     </span>
   )
diff --git a/packages/client/ui-primitives/src/Menu.tsx b/packages/client/ui-primitives/src/Menu.tsx
index 747750363d..ea7e51b478 100644
--- a/packages/client/ui-primitives/src/Menu.tsx
+++ b/packages/client/ui-primitives/src/Menu.tsx
@@ -13,6 +13,7 @@ import type { CSSProperties, ReactNode } from 'react'
 import { createPortal } from 'react-dom'
 import clsx from 'clsx'
 import { IconCheckOutline16 } from './icons/index.tsx'
+import { usePointerGrace } from './pointer-grace.ts'
 import css from './Menu.module.css'
 
 /** Selectable row (optionally with a nested submenu). */
@@ -69,8 +70,10 @@ const MEASURE_STYLE: CSSProperties = { visibility: 'hidden', left: 0, top: 0 }
  * from the anchor rect (repositions on scroll/resize while open). Use when an
  * ancestor's overflow clipping would crop the in-place list; default false
  * keeps the pure-CSS in-place behavior.
- * @param props.closeOnPointerLeave - close the list when the pointer leaves
- * it (default false keeps it open until outside click/Escape/selection).
+ * @param props.closeOnPointerLeave - close the list once the pointer has left
+ * both trigger and list for the pointer grace (default false keeps it open
+ * until outside click/Escape/selection). The grace makes the 4px trigger->list
+ * gap and a brief overshoot survivable; coming back cancels the close.
  * @param props.compact - use reduced menu typography and spacing.
  * @param props.getAnchorRect - portal mode only: supply the anchor rect
  * directly (e.g. from a host-owned trigger button) instead of measuring the
@@ -102,6 +105,7 @@ export function Menu({ open, anchor, items, selectedId, onSelect, onClose, align
   const listRef = useRef<HTMLDivElement>(null)
   const [openSubmenuId, setOpenSubmenuId] = useState<string | null>(null)
   const [fixedPos, setFixedPos] = useState<CSSProperties | null>(null)
+  const { arm: armClose, cancel: cancelClose } = usePointerGrace(onClose)
 
   // Portal mode: fixed-position the list from the anchor rect before paint;
   // track the anchor while open (capture-phase scroll catches nested panes).
@@ -179,6 +183,14 @@ export function Menu({ open, anchor, items, selectedId, onSelect, onClose, align
     }
   }, [open, onClose])
 
+  // A close from selection/Escape/outside click outruns a pending grace close;
+  // left armed it would shut a list reopened inside the grace window. Its own
+  // effect, not the listener effect above: that one re-runs on every `onClose`
+  // identity change and would cancel the grace mid-transit.
+  useEffect(() => {
+    if (!open) cancelClose()
+  }, [open, cancelClose])
+
   // The submenu card is absolutely positioned outside the list box; the
   // scroll clip would crop it, so only submenu-free menus get the height cap.
   const scrollable = !items.some(entry => !isSeparator(entry) && !isLabel(entry) && entry.submenu !== undefined && entry.submenu.length > 0)
@@ -251,7 +263,6 @@ export function Menu({ open, anchor, items, selectedId, onSelect, onClose, align
       className={clsx(css.list, compact && css.compactList, scrollable && css.scrollable, portal && css.portal, side === 'top' && !portal && css.sideTop, align === 'end' && !portal && css.alignEnd)}
       style={portal ? fixedPos ?? MEASURE_STYLE : undefined}
       role="menu"
-      onPointerLeave={closeOnPointerLeave ? () => { onClose() } : undefined}
       // React portals bubble synthetic events through the REACT tree: without
       // this stop, an item click re-fires the anchor row's own onClick
       // (open/toggle) after onSelect.
@@ -268,8 +279,17 @@ export function Menu({ open, anchor, items, selectedId, onSelect, onClose, align
     </div>
   )
 
+  // Pointer-leave dismissal watches the WRAPPER, not the list: React's
+  // enter/leave traversal runs over the React tree, so trigger and portaled
+  // list are one region here. Aiming back at the trigger, or crossing the 4px
+  // gap between them, therefore never counts as leaving.
   return (
-    <span ref={rootRef} className={clsx(css.root, className)}>
+    <span
+      ref={rootRef}
+      className={clsx(css.root, className)}
+      onPointerEnter={closeOnPointerLeave ? cancelClose : undefined}
+      onPointerLeave={closeOnPointerLeave ? () => { if (open) armClose() } : undefined}
+    >
       {anchor}
       {portal ? (list !== false && createPortal(list, document.body)) : list}
     </span>
diff --git a/packages/client/ui-primitives/src/Modal.tsx b/packages/client/ui-primitives/src/Modal.tsx
index 4e8b7d99d8..778fb82387 100644
--- a/packages/client/ui-primitives/src/Modal.tsx
+++ b/packages/client/ui-primitives/src/Modal.tsx
@@ -1,9 +1,11 @@
 // Modal: controlled full-viewport dialog (create-workspace and similar).
-// Fixed overlay in the React tree (no react-dom portal) so ui-primitives
-// stays free of a react-dom dependency; mask tokens match figma 451:18655.
+// The overlay portals to this document's body so ancestor stacking contexts
+// cannot leave sticky page controls above the mask. This is still an in-page
+// WebUI dialog; it never creates or targets another browser/native window.
 
 import { useEffect } from 'react'
 import type { ReactNode } from 'react'
+import { createPortal } from 'react-dom'
 import clsx from 'clsx'
 import { IconCloseOutline16 } from './icons/index.tsx'
 import css from './Modal.module.css'
@@ -17,6 +19,7 @@ import css from './Modal.module.css'
  * @param props.description - optional supporting sentence under the title.
  * @param props.children - body (inputs, etc.).
  * @param props.footer - action row (Cancel / Create).
+ * @param props.contentClassName - optional class for a scrollable content region.
  * @param props.headless - render children directly in the card (no default
  * header/close/body chrome) for dialogs whose figma frame owns its own
  * header structure; mask, card, Escape, and aria-label remain.
@@ -25,7 +28,7 @@ import css from './Modal.module.css'
  * @returns null when closed; otherwise the overlay tree.
  */
 export function Modal({
-  open, onClose, title, closeLabel = 'Close', description, children, footer, className, headless = false,
+  open, onClose, title, closeLabel = 'Close', description, children, footer, className, contentClassName, headless = false,
 }: {
   open: boolean
   onClose: () => void
@@ -35,6 +38,7 @@ export function Modal({
   children?: ReactNode
   footer?: ReactNode
   className?: string
+  contentClassName?: string
   headless?: boolean
 }) {
   useEffect(() => {
@@ -48,7 +52,7 @@ export function Modal({
 
   if (!open) return null
 
-  return (
+  return createPortal((
     <div className={css.root} role="presentation">
       <div className={css.mask} aria-hidden="true" onClick={onClose} />
       <div
@@ -61,7 +65,7 @@ export function Modal({
           ? children
           : (
             <>
-              <div className={css.content}>
+              <div className={clsx(css.content, contentClassName)}>
                 <div className={css.header}>
                   <h2 className={css.title}>{title}</h2>
                   <button type="button" className={css.close} aria-label={closeLabel} onClick={onClose}>
@@ -78,5 +82,5 @@ export function Modal({
           )}
       </div>
     </div>
-  )
+  ), document.body)
 }
diff --git a/packages/client/ui-primitives/src/ReadBlock.module.css b/packages/client/ui-primitives/src/ReadBlock.module.css
new file mode 100644
index 0000000000..a18afe6152
--- /dev/null
+++ b/packages/client/ui-primitives/src/ReadBlock.module.css
@@ -0,0 +1,117 @@
+/* Geometry mirrors CodeBlock (12px radius, code-block surface + banner row,
+   markdown code-block font) so a read card and a fenced code block read as one
+   family. Content keeps `white-space: pre` and scrolls horizontally rather than
+   folding, because a source line's indentation is part of what a reader is
+   reading. */
+
+.block {
+  --dsl-read-radius: 12px;
+  --dsl-read-line-height: 22px;
+  /* Fixed-width gutter column for the line numbers, so the content edge stays
+     put down the whole window regardless of how wide the numbers grow. */
+  --dsl-read-gutter: 48px;
+
+  position: relative;
+  margin: 16px 0;
+  color: var(--dsw-alias-label-primary);
+  background: var(--dsw-alias-markdown-code-block);
+  border-radius: var(--dsl-read-radius);
+}
+
+.banner {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  gap: 12px;
+  padding: 9px 14px;
+  background: var(--dsw-alias-markdown-code-block-banner);
+  border-top-left-radius: var(--dsl-read-radius);
+  border-top-right-radius: var(--dsl-read-radius);
+}
+
+.label {
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  color: var(--dsw-alias-label-primary);
+  font-family: var(--ds-font-family-code);
+  font-size: 12px;
+  line-height: 18px;
+}
+
+.action {
+  display: flex;
+  align-items: center;
+  flex-shrink: 0;
+  gap: 12px;
+}
+
+.count {
+  color: var(--dsw-alias-label-tertiary);
+  font: var(--dsw-font-xs-13);
+}
+
+.lang {
+  color: var(--dsw-alias-label-tertiary);
+  font-family: var(--ds-font-family-code);
+  font-size: 12px;
+  line-height: 18px;
+}
+
+.copyButton {
+  background-color: transparent;
+  border: none;
+  padding: 0;
+  margin: 0;
+  color: var(--dsw-alias-label-secondary);
+  cursor: pointer;
+  font: var(--dsw-font-xs-13);
+}
+
+.body {
+  padding: 12px 0;
+  font: var(--dsw-font-markdown-code-block);
+  overflow-x: auto;
+  overflow-y: hidden;
+}
+
+/* One row per file line: a fixed gutter column, then the content. No wrapping —
+   a source line's leading whitespace is meaningful and scrolls sideways. */
+.line {
+  display: flex;
+  min-height: var(--dsl-read-line-height);
+  line-height: var(--dsl-read-line-height);
+  white-space: pre;
+}
+
+.gutter {
+  flex: none;
+  width: var(--dsl-read-gutter);
+  padding-right: 14px;
+  text-align: right;
+  color: var(--dsw-alias-label-tertiary);
+  /* The gutter is chrome, not content: keep it out of a text selection so a
+     copy of the visible rows carries the source, not the line numbers. */
+  user-select: none;
+}
+
+.content {
+  color: var(--dsw-alias-label-primary);
+}
+
+.expand {
+  display: block;
+  width: 100%;
+  padding: 0 0 0 var(--dsl-read-gutter);
+  border: none;
+  background-color: transparent;
+  color: var(--dsw-alias-label-tertiary);
+  cursor: pointer;
+  font: inherit;
+  text-align: left;
+}
+
+.expand:hover {
+  color: var(--dsw-alias-label-secondary);
+}
diff --git a/packages/client/ui-primitives/src/ReadBlock.tsx b/packages/client/ui-primitives/src/ReadBlock.tsx
new file mode 100644
index 0000000000..a6a83d3668
--- /dev/null
+++ b/packages/client/ui-primitives/src/ReadBlock.tsx
@@ -0,0 +1,172 @@
+// ReadBlock: the file surface for a read tool result — a banner (label +
+// language + a "showing N of M" note when the read is a window + a copy
+// control) over line-numbered, syntax-highlighted source. Each row carries the
+// file's OWN line number in a gutter, so a windowed read past an offset keeps
+// its file numbering rather than re-counting from 1. Highlighting reuses the
+// CodeBlock shiki path (highlight.ts) at the per-line granularity a gutter
+// needs; an unknown or absent language renders plain monospace. Long content is
+// height-capped with the same head/tail arithmetic TerminalBlock uses, so the
+// two cards collapse a long body at the same place. Colors resolve through
+// --shiki-*/--dsw-* tokens.
+
+import { useCallback, useMemo, useState, useSyncExternalStore } from 'react'
+import clsx from 'clsx'
+import { writeClipboard } from './clipboard.ts'
+import {
+  grammarLoadCount,
+  highlightLines,
+  subscribeGrammarLoaded,
+  type HighlightSpan,
+} from './markdown/highlight.ts'
+import css from './ReadBlock.module.css'
+
+/**
+ * Content lines shown before the height cap collapses the middle. Matches
+ * TerminalBlock's default so a long read and a long command output cut at the
+ * same place in the same flow.
+ */
+export const DEFAULT_READ_MAX_LINES = 16
+
+/** One line of the read window: its file line number and its text (no trailing newline). */
+export interface ReadBlockLine {
+  /** 1-based line number in the file (a window past an offset keeps the file's own numbering). */
+  number: number
+  /** The line's text, already truncated to the read tool's per-line cap. */
+  text: string
+}
+
+export interface ReadBlockProps {
+  /** Banner label (the file path, or a tool-supplied replacement title); omitted draws no label. */
+  label?: string | undefined
+  /** The returned window's lines, in file order, each keeping its file line number. */
+  lines: readonly ReadBlockLine[]
+  /** Exact total line count in the file, for the "showing N of M" note when the read is a window. */
+  totalLines: number
+  /** Grammar hint (a file-extension-derived language id); unknown or absent = plain monospace. */
+  lang?: string | undefined
+  /** Height cap in content lines before the middle collapses (default {@link DEFAULT_READ_MAX_LINES}). */
+  maxLines?: number | undefined
+  /** Extra class merged onto the wrapper (callers position; this component draws). */
+  className?: string | undefined
+}
+
+/**
+ * Render one line's highlighted runs. The css-variables theme colors every run,
+ * so each run is a styled span; a line with no highlighting at all takes the
+ * bare-text path in the caller instead (an unknown or absent language).
+ * @param spans - the line's styled runs.
+ * @returns the line's children.
+ */
+function renderSpans(spans: readonly HighlightSpan[]) {
+  return spans.map((span, index) => <span key={index} style={span.style}>{span.text}</span>)
+}
+
+/**
+ * Render a read tool result as a line-numbered, optionally syntax-highlighted
+ * file view.
+ * @param props - see {@link ReadBlockProps}.
+ * @returns the read block element.
+ */
+export function ReadBlock({
+  label,
+  lines,
+  totalLines,
+  lang,
+  maxLines = DEFAULT_READ_MAX_LINES,
+  className,
+}: ReadBlockProps) {
+  // The raw text the copy control writes and the highlighter tokenizes: the
+  // window's lines joined by newlines, without the file numbers or any chrome.
+  // Highlighting the whole window in one call (not line by line) keeps grammar
+  // context across lines — a multi-line string or comment stays one construct.
+  const raw = useMemo(() => lines.map(line => line.text).join('\n'), [lines])
+  // Re-render when a lazy grammar finishes loading, so a read card that showed
+  // plain text while its language's grammar imported picks up highlighting. The
+  // snapshot value is opaque; only its change across renders drives the memo.
+  const loaded = useSyncExternalStore(subscribeGrammarLoaded, grammarLoadCount, grammarLoadCount)
+  // Per-line highlighted runs aligned 1:1 with `lines`; undefined for an
+  // unknown/absent (or not-yet-loaded) language, when every line renders as
+  // bare text.
+  const highlighted = useMemo(() => highlightLines(raw, lang), [raw, lang, loaded])
+  const [expanded, setExpanded] = useState(false)
+  const [copied, setCopied] = useState(false)
+
+  const onCopy = useCallback(() => {
+    if (copied) return
+    // The window's raw text, never the rendered tree: the gutter numbers and the
+    // banner are chrome the file does not contain.
+    void writeClipboard(raw).then((ok) => {
+      if (!ok) return
+      setCopied(true)
+      window.setTimeout(() => { setCopied(false) }, 1000)
+    })
+  }, [copied, raw])
+
+  const onToggle = useCallback(() => { setExpanded(value => !value) }, [])
+
+  const hidden = lines.length - maxLines
+  const capped = hidden > 0 && !expanded
+  // Same split arithmetic as TerminalBlock's height cap, so a long read and a
+  // long command output slice their head and tail at the same place.
+  const headLines = Math.ceil(maxLines / 2)
+  const tailLines = maxLines - headLines
+  // A read is a window when its returned lines are fewer than the file's total;
+  // the note states that so a reader is not misled that the file ends here.
+  const windowed = lines.length < totalLines
+
+  /**
+   * Render a slice of the line array as gutter-numbered rows.
+   * @param slice - the lines to draw, each with its aligned run array.
+   * @returns the row elements.
+   */
+  const rows = (slice: readonly (readonly [ReadBlockLine, readonly HighlightSpan[] | undefined])[]) =>
+    slice.map(([line, spans]) => (
+      <div key={line.number} className={css.line}>
+        <span className={css.gutter} aria-hidden>{line.number}</span>
+        <span className={css.content}>{spans === undefined ? line.text : renderSpans(spans)}</span>
+      </div>
+    ))
+
+  // Pair each line with its aligned run array up front, so head/tail slicing
+  // keeps the two in step without re-indexing.
+  const paired = lines.map((line, index): readonly [ReadBlockLine, readonly HighlightSpan[] | undefined] =>
+    [line, highlighted?.[index]])
+
+  return (
+    <div className={clsx(css.block, className)} data-read="">
+      <div className={css.banner}>
+        <div className={css.label}>{label ?? ''}</div>
+        <div className={css.action}>
+          {windowed && (
+            <span className={css.count}>{`显示 ${lines.length} / ${totalLines} 行`}</span>
+          )}
+          <span className={css.lang}>{lang ?? ''}</span>
+          {/* Hide copy on an empty window, matching TerminalBlock's empty-output
+              guard: a successful read of an empty file returns lines: [] with
+              card:'read', so this branch is reachable, and copying then would
+              wipe the clipboard with an empty string. */}
+          {lines.length > 0 && (
+            <button type="button" className={css.copyButton} onClick={onCopy}>
+              {copied ? '复制成功' : '复制'}
+            </button>
+          )}
+        </div>
+      </div>
+      <div className={css.body}>
+        {rows(capped ? paired.slice(0, headLines) : paired)}
+        {hidden > 0 && (
+          <button
+            type="button"
+            className={css.expand}
+            aria-expanded={expanded}
+            aria-label={expanded ? '收起内容' : `展开其余 ${hidden} 行`}
+            onClick={onToggle}
+          >
+            {expanded ? '收起' : `… 其余 ${hidden} 行`}
+          </button>
+        )}
+        {capped && rows(paired.slice(paired.length - tailLines))}
+      </div>
+    </div>
+  )
+}
diff --git a/packages/client/ui-primitives/src/RiskConfirmation.module.css b/packages/client/ui-primitives/src/RiskConfirmation.module.css
new file mode 100644
index 0000000000..016eeee1d0
--- /dev/null
+++ b/packages/client/ui-primitives/src/RiskConfirmation.module.css
@@ -0,0 +1,73 @@
+.confirmation {
+  width: min(440px, 100%);
+  max-height: calc(100vh - 48px);
+  overflow: hidden;
+}
+
+.confirmationContent {
+  min-height: 0;
+  overflow-y: auto;
+  overscroll-behavior: contain;
+}
+
+@supports (height: 100dvh) {
+  .confirmation {
+    max-height: calc(100dvh - 48px);
+  }
+}
+
+.warning {
+  display: flex;
+  align-items: flex-start;
+  gap: 10px;
+  color: var(--dsw-alias-label-secondary);
+  font-size: 14px;
+  line-height: 22px;
+}
+
+.warning p {
+  margin: 0;
+}
+
+.warningIcon {
+  flex: none;
+  margin-top: 2px;
+  color: var(--dsw-alias-state-error-primary);
+}
+
+.acknowledgement {
+  display: flex;
+  align-items: flex-start;
+  gap: 10px;
+  margin-top: 20px;
+  color: var(--dsw-alias-label-primary);
+  font-size: 14px;
+  line-height: 22px;
+  cursor: pointer;
+}
+
+.acknowledgement input {
+  flex: none;
+  width: 16px;
+  height: 16px;
+  margin: 3px 0 0;
+  accent-color: var(--dsw-alias-button-primary-fill);
+  cursor: pointer;
+}
+
+.acknowledgement input:focus-visible {
+  outline: 2px solid var(--dsw-alias-border-l4);
+  outline-offset: 2px;
+}
+
+.acknowledgement input:disabled {
+  cursor: default;
+}
+
+.modalAction {
+  min-width: 72px;
+}
+
+.confirmAction {
+  min-width: 136px;
+}
diff --git a/packages/client/ui-primitives/src/RiskConfirmation.tsx b/packages/client/ui-primitives/src/RiskConfirmation.tsx
new file mode 100644
index 0000000000..d9f8ebea76
--- /dev/null
+++ b/packages/client/ui-primitives/src/RiskConfirmation.tsx
@@ -0,0 +1,80 @@
+/**
+ * Controlled risk acknowledgement dialog shared by product surfaces that
+ * must gate a sensitive action behind an explicit checkbox.
+ */
+import { Button } from './Button.tsx'
+import { IconWarningOutline16 } from './icons/index.tsx'
+import { Modal } from './Modal.tsx'
+import css from './RiskConfirmation.module.css'
+
+export interface RiskConfirmationProps {
+  open: boolean
+  title: string
+  description: string
+  acknowledgeLabel: string
+  cancelLabel: string
+  confirmLabel: string
+  acknowledged: boolean
+  disabled?: boolean
+  onAcknowledgedChange: (acknowledged: boolean) => void
+  onCancel: () => void
+  onConfirm: () => void
+}
+
+/**
+ * Render one in-page confirmation whose primary action is unavailable until
+ * the caller-controlled acknowledgement is checked.
+ */
+export function RiskConfirmation({
+  open,
+  title,
+  description,
+  acknowledgeLabel,
+  cancelLabel,
+  confirmLabel,
+  acknowledged,
+  disabled = false,
+  onAcknowledgedChange,
+  onCancel,
+  onConfirm,
+}: RiskConfirmationProps) {
+  return (
+    <Modal
+      open={open}
+      onClose={onCancel}
+      title={title}
+      className={css.confirmation ?? ''}
+      contentClassName={css.confirmationContent ?? ''}
+      footer={(
+        <>
+          <Button variant="outline" className={css.modalAction} onClick={onCancel}>
+            {cancelLabel}
+          </Button>
+          <Button
+            variant="primary"
+            className={css.confirmAction}
+            disabled={disabled || !acknowledged}
+            onClick={onConfirm}
+          >
+            {confirmLabel}
+          </Button>
+        </>
+      )}
+    >
+      <div className={css.warning}>
+        <IconWarningOutline16 size={18} className={css.warningIcon} />
+        <p>{description}</p>
+      </div>
+      <label className={css.acknowledgement}>
+        <input
+          type="checkbox"
+          checked={acknowledged}
+          disabled={disabled}
+          autoFocus
+          onChange={(event) => { onAcknowledgedChange(event.currentTarget.checked) }}
+        />
+        <span>{acknowledgeLabel}</span>
+      </label>
+    </Modal>
+  )
+}
diff --git a/packages/client/ui-primitives/src/SearchBlock.module.css b/packages/client/ui-primitives/src/SearchBlock.module.css
new file mode 100644
index 0000000000..5eef6e4216
--- /dev/null
+++ b/packages/client/ui-primitives/src/SearchBlock.module.css
@@ -0,0 +1,120 @@
+/* Geometry mirrors CodeBlock and TerminalBlock (12px radius, code-block
+   surface + banner row, markdown code-block font) so a search card reads as one
+   family with them. The deliberate divergence they share: the result rows keep
+   `white-space: pre` and scroll horizontally, because folding a long match line
+   or path destroys the alignment a reader scans by. */
+
+.block {
+  --dsl-search-radius: 12px;
+  --dsl-search-line-height: 22px;
+
+  position: relative;
+  margin: 16px 0;
+  color: var(--dsw-alias-label-primary);
+  background: var(--dsw-alias-markdown-code-block);
+  border-radius: var(--dsl-search-radius);
+}
+
+/* The banner: result summary on the left, the copy control holding its
+   intrinsic width on the right. */
+.header {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 9px 14px;
+  background: var(--dsw-alias-markdown-code-block-banner);
+  border-top-left-radius: var(--dsl-search-radius);
+  border-top-right-radius: var(--dsl-search-radius);
+}
+
+.summary {
+  flex: 1;
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  font: var(--dsw-font-xs-13);
+  color: var(--dsw-alias-label-secondary);
+}
+
+.copyButton {
+  flex: none;
+  background-color: transparent;
+  border: none;
+  padding: 0;
+  margin: 0;
+  color: var(--dsw-alias-label-secondary);
+  cursor: pointer;
+  font: var(--dsw-font-xs-13);
+}
+
+.body {
+  padding: 8px 14px 12px 0;
+  font: var(--dsw-font-markdown-code-block);
+  overflow-x: auto;
+  overflow-y: hidden;
+}
+
+/* No wrapping: a match line or a path keeps its content on one row and scrolls
+   sideways instead of folding. */
+.line {
+  min-height: var(--dsl-search-line-height);
+  padding-left: 14px;
+  white-space: pre;
+}
+
+/* The 1-based line number ahead of a grep match line, dimmed so the match text
+   stays the salient content. */
+.lineNumber {
+  color: var(--dsw-alias-label-tertiary);
+}
+
+/* A file group's header: a bold path label plus its match count, the whole row
+   the collapse control. */
+.fileHeader {
+  display: flex;
+  align-items: baseline;
+  gap: 8px;
+  width: 100%;
+  min-height: var(--dsl-search-line-height);
+  padding: 0 14px;
+  border: none;
+  background-color: transparent;
+  cursor: pointer;
+  font: inherit;
+  text-align: left;
+}
+
+.filePath {
+  min-width: 0;
+  font-weight: 600;
+  color: var(--dsw-alias-label-primary);
+  white-space: pre;
+}
+
+.fileCount {
+  flex: none;
+  color: var(--dsw-alias-label-tertiary);
+}
+
+.expand {
+  display: block;
+  width: 100%;
+  padding: 0 14px;
+  border: none;
+  background-color: transparent;
+  color: var(--dsw-alias-label-tertiary);
+  cursor: pointer;
+  font: inherit;
+  text-align: left;
+}
+
+.expand:hover {
+  color: var(--dsw-alias-label-secondary);
+}
+
+.empty {
+  padding: 12px 14px;
+  font: var(--dsw-font-markdown-code-block);
+  color: var(--dsw-alias-label-tertiary);
+}
diff --git a/packages/client/ui-primitives/src/SearchBlock.tsx b/packages/client/ui-primitives/src/SearchBlock.tsx
new file mode 100644
index 0000000000..463a3bfa26
--- /dev/null
+++ b/packages/client/ui-primitives/src/SearchBlock.tsx
@@ -0,0 +1,277 @@
+// SearchBlock: the search surface for a completed content or path search — a
+// banner (result summary that folds the pre-cap total in when the tool capped
+// the result, plus a copy control), then either grep matches grouped by file
+// (each file a bold
+// path header with its `lineNumber: line` rows, the group collapsible) or a
+// flat glob path list. Both shapes flatten to one list of rows the height cap
+// slices head/tail over, and neither soft-wraps: a long match line or path
+// scrolls horizontally instead of folding. Geometry mirrors CodeBlock and
+// TerminalBlock so a search card reads as one family with them.
+
+import { useCallback, useState, type ReactNode } from 'react'
+import clsx from 'clsx'
+import { headTailCap } from './head-tail-cap.ts'
+import { useCopyFeedback } from './use-copy-feedback.ts'
+import css from './SearchBlock.module.css'
+
+/**
+ * Result rows shown before the height cap collapses the middle. Matches
+ * {@link DEFAULT_TERMINAL_MAX_LINES} so a search card and a terminal card cut a
+ * long result at the same place.
+ */
+export const DEFAULT_SEARCH_MAX_LINES = 16
+
+/** One matched line inside a {@link SearchFileGroup}: its 1-based line number and text. */
+export interface SearchBlockLineMatch {
+  /** 1-based line number of the match within its file. */
+  lineNumber: number
+  /** The matched line text, as the tool surfaced it. */
+  line: string
+}
+
+/** One file's grouped matches, in first-seen file order. */
+export interface SearchFileGroup {
+  /** The file the matches belong to (the display path). */
+  path: string
+  /** The file's matched lines, in output order. */
+  matches: SearchBlockLineMatch[]
+}
+
+/** Fields both search shapes carry (the render site positions; this component draws). */
+interface SearchBlockCommon {
+  /**
+   * Whether the tool capped the inline result: the shape carries only the
+   * retained results, not every result the search found. The banner summary
+   * folds the pre-cap `total` in (`显示 X / 共 N …`) so the card never presents a
+   * capped result as complete.
+   */
+  truncated: boolean
+  /** Total results the search found before capping (equals the retained count when not `truncated`). */
+  total: number
+  /** Height cap in rows before the middle collapses (default {@link DEFAULT_SEARCH_MAX_LINES}). */
+  maxLines?: number | undefined
+  /** Extra class merged onto the wrapper. */
+  className?: string | undefined
+}
+
+/** Props for the grouped-matches (`grep`) shape. */
+export interface SearchMatchesBlockProps extends SearchBlockCommon {
+  kind: 'matches'
+  /** Matched lines grouped by file, in first-seen file order. */
+  files: SearchFileGroup[]
+}
+
+/** Props for the flat-path (`glob`) shape. */
+export interface SearchPathsBlockProps extends SearchBlockCommon {
+  kind: 'paths'
+  /** The discovered paths, in the tool's result order (the retained page when `truncated`). */
+  paths: string[]
+}
+
+/** {@link SearchBlock} props: one card, two `kind`-discriminated shapes. */
+export type SearchBlockProps = SearchMatchesBlockProps | SearchPathsBlockProps
+
+/**
+ * One flattened render row. A matches card produces a `file` header row per
+ * group followed by a `match` row per retained line while the group is
+ * expanded; a paths card produces one `path` row per path. The height cap
+ * counts these rows uniformly, so a file header costs one row exactly as a
+ * match line or a path does.
+ */
+type SearchRow =
+  | { type: 'file'; path: string; count: number; index: number; collapsed: boolean }
+  | { type: 'match'; lineNumber: number; line: string; key: string; fileIndex: number }
+  | { type: 'path'; path: string }
+
+/**
+ * The plain-text form the copy control writes: the whole structured result
+ * regardless of the height cap or which groups are collapsed, so the clipboard
+ * carries the result rather than what the card happens to be showing.
+ * @param props - the card's props.
+ * @returns the copyable text, or the empty string for an empty result.
+ */
+function copyText(props: SearchBlockProps): string {
+  if (props.kind === 'paths') return props.paths.join('\n')
+  return props.files
+    .map(file => [file.path, ...file.matches.map(m => `${m.lineNumber}: ${m.line}`)].join('\n'))
+    .join('\n\n')
+}
+
+/**
+ * Number of retained results the card holds: the matched-line count across all
+ * files for a matches card, the path count for a paths card. This is the count
+ * the banner summary reports against `total` when the result was capped.
+ * @param props - the card's props.
+ * @returns the retained result count.
+ */
+function shownCount(props: SearchBlockProps): number {
+  return props.kind === 'paths'
+    ? props.paths.length
+    : props.files.reduce((sum, file) => sum + file.matches.length, 0)
+}
+
+/**
+ * The banner summary. When the search was capped it reads `显示 X / 共 N …` so
+ * the retained count and the pre-cap total sit in one clause (mirroring the read
+ * card's `显示 X / Y 行`); when it was not capped it is a plain count of what the
+ * card holds. The unit — `处匹配 · K 个文件` for grep, `个路径` for glob — trails
+ * the count either way.
+ * @param props - the card's props.
+ * @param shown - the retained result count from {@link shownCount}.
+ * @param truncated - whether the search was capped.
+ * @param total - the pre-cap total the truncation clause reports.
+ * @returns the summary text.
+ */
+function summaryText(props: SearchBlockProps, shown: number, truncated: boolean, total: number): string {
+  const count = truncated ? `显示 ${shown} / 共 ${total}` : `${shown}`
+  return props.kind === 'paths'
+    ? `${count} 个路径`
+    : `${count} 处匹配 · ${props.files.length} 个文件`
+}
+
+/**
+ * Flatten a card's shape into its render rows, dropping a collapsed file
+ * group's match rows.
+ * @param props - the card's props.
+ * @param collapsed - the set of collapsed file-group indices (matches only).
+ * @returns the flattened rows in output order.
+ */
+function toRows(props: SearchBlockProps, collapsed: ReadonlySet<number>): SearchRow[] {
+  if (props.kind === 'paths') return props.paths.map((path): SearchRow => ({ type: 'path', path }))
+  const rows: SearchRow[] = []
+  props.files.forEach((file, index) => {
+    const isCollapsed = collapsed.has(index)
+    rows.push({ type: 'file', path: file.path, count: file.matches.length, index, collapsed: isCollapsed })
+    if (isCollapsed) return
+    for (const match of file.matches) {
+      rows.push({ type: 'match', lineNumber: match.lineNumber, line: match.line, key: `${index}:${match.lineNumber}`, fileIndex: index })
+    }
+  })
+  return rows
+}
+
+/**
+ * A stable React key for a flattened render row: the group-scoped match key, a
+ * file-index-scoped header key, or the path itself. Rows of different types
+ * never collide, since each key carries its type prefix or the group index.
+ * @param row - the flattened row.
+ * @returns the key.
+ */
+function rowKey(row: SearchRow): string {
+  switch (row.type) {
+    case 'match': return `match:${row.key}`
+    case 'file': return `file:${row.index}`
+    case 'path': return `path:${row.path}`
+  }
+}
+
+/**
+ * Render a completed search as a grouped-matches or flat-path card.
+ * @param props - see {@link SearchBlockProps}.
+ * @returns the search block element.
+ */
+export function SearchBlock(props: SearchBlockProps) {
+  const { truncated, total, maxLines = DEFAULT_SEARCH_MAX_LINES, className } = props
+  const [expanded, setExpanded] = useState(false)
+  const [collapsed, setCollapsed] = useState<ReadonlySet<number>>(() => new Set())
+
+  // `props` is a fresh object each render, so memoizing on it never hits; the
+  // flatten is cheap, so it runs inline keyed on the collapse set instead.
+  const rows = toRows(props, collapsed)
+  const shown = shownCount(props)
+  const empty = rows.length === 0
+  const { copied, onCopy } = useCopyFeedback(copyText(props))
+
+  const onToggle = useCallback(() => { setExpanded(value => !value) }, [])
+
+  const toggleFile = useCallback((index: number) => {
+    setCollapsed((prev) => {
+      const next = new Set(prev)
+      if (next.has(index)) next.delete(index)
+      else next.add(index)
+      return next
+    })
+  }, [])
+
+  const { hidden, capped, headLines, tailLines } = headTailCap(rows.length, maxLines, expanded)
+  const head = capped ? rows.slice(0, headLines) : rows
+  const naturalTail = capped ? rows.slice(rows.length - tailLines) : []
+  // When the tail slice begins inside a file's matches, its own header sits
+  // above the cut and is not shown, so those rows could not be attributed to a
+  // file. Restore the owning header at the top of the tail — unless the head
+  // slice already carries it (a single large file), where it would duplicate.
+  const tailLead = naturalTail[0]
+  const tailHeader = tailLead?.type === 'match'
+    && !head.some(row => row.type === 'file' && row.index === tailLead.fileIndex)
+    ? rows.find((row): row is Extract<SearchRow, { type: 'file' }> =>
+      row.type === 'file' && row.index === tailLead.fileIndex)
+    : undefined
+  // The restored header is itself a row. Left extra it would push the card to
+  // maxLines + 1 and overstate `hidden` by one, so it consumes a tail slot: drop
+  // the tail's first row (the match whose header this is) for it. Visible rows
+  // hold at maxLines and `hidden` stays exact; the dropped match joins the
+  // hidden middle.
+  const tail = tailHeader === undefined ? naturalTail : naturalTail.slice(1)
+
+  const renderRow = (row: SearchRow): ReactNode => {
+    if (row.type === 'path') return <div className={css.line}>{row.path}</div>
+    if (row.type === 'match') {
+      return (
+        <div className={css.line}>
+          <span className={css.lineNumber}>{row.lineNumber}: </span>
+          {row.line}
+        </div>
+      )
+    }
+    return (
+      <button
+        type="button"
+        className={css.fileHeader}
+        aria-expanded={!row.collapsed}
+        onClick={() => { toggleFile(row.index) }}
+      >
+        <span className={css.filePath}>{row.path}</span>
+        <span className={css.fileCount}>{row.count}</span>
+      </button>
+    )
+  }
+
+  return (
+    <div className={clsx(css.block, className)} data-search={props.kind}>
+      <div className={css.header}>
+        <span className={css.summary}>{summaryText(props, shown, truncated, total)}</span>
+        {!empty && (
+          <button type="button" className={css.copyButton} onClick={onCopy}>
+            {copied ? '复制成功' : '复制'}
+          </button>
+        )}
+      </div>
+      {empty
+        ? <div className={css.empty}>无结果</div>
+        : (
+          <div className={css.body}>
+            {head.map(row => (
+              <div key={rowKey(row)}>{renderRow(row)}</div>
+            ))}
+            {hidden > 0 && (
+              <button
+                type="button"
+                className={css.expand}
+                aria-expanded={expanded}
+                aria-label={expanded ? '收起结果' : `展开其余 ${hidden} 行结果`}
+                onClick={onToggle}
+              >
+                {expanded ? '收起' : `… 其余 ${hidden} 行`}
+              </button>
+            )}
+            {tailHeader !== undefined && (
+              <div key={`tailHeader:${rowKey(tailHeader)}`}>{renderRow(tailHeader)}</div>
+            )}
+            {tail.map(row => (
+              <div key={rowKey(row)}>{renderRow(row)}</div>
+            ))}
+          </div>
+        )}
+    </div>
+  )
+}
diff --git a/packages/client/ui-primitives/src/TerminalBlock.module.css b/packages/client/ui-primitives/src/TerminalBlock.module.css
index 704ea0e808..0d3ff07d3b 100644
--- a/packages/client/ui-primitives/src/TerminalBlock.module.css
+++ b/packages/client/ui-primitives/src/TerminalBlock.module.css
@@ -7,6 +7,10 @@
 .block {
   --dsl-terminal-radius: 12px;
   --dsl-terminal-line-height: 22px;
+  /* Rebindable by consumers (CodeBlock's --dsl-code-block-content-font
+     pattern): a surface wanting the smaller code size rebinds this together
+     with --dsl-terminal-line-height on its own container. */
+  --dsl-terminal-font: var(--dsw-font-markdown-code-block);
   /* The card's own left inset, holding the run-state dot in a column of its own
      so it never competes with the commands for horizontal space. */
   --dsl-terminal-gutter: 30px;
@@ -22,26 +26,49 @@
   color: var(--dsw-alias-label-primary);
   background: var(--dsw-alias-markdown-code-block);
   border-radius: var(--dsl-terminal-radius);
+  /* Clip the banner to the card's own radius: when a consumer adds a border,
+     the banner's equal corner radius no longer nests inside it and leaves a
+     notch at the corner. Nothing inside renders out of the box. */
+  overflow: hidden;
 }
 
-/* Top-aligned: the status pill and copy control stay on the first prompt row
-   however many command lines the card carries. */
+/* The status pill and copy control top-align to the FIRST prompt row (their
+   heights are capped to the prompt line, so on a multi-line command they sit
+   with the first command instead of floating mid-banner). */
 .header {
   display: flex;
   align-items: flex-start;
   gap: 12px;
-  /* Pulled back across the card's gutter padding so the banner background and
-     its top-left radius span the FULL surface, then re-inset by the same amount
-     so the prompt text and the dot keep their positions. A plain block child
-     only reaches the content box, which left the gutter column painted in the
-     body color and drew the card's top-left corner in it — invisible in the
-     light theme, where banner and body share a token, and visible in the dark
-     one, where they do not. */
+  /* Pulled back across the card's gutter padding so the banner spans the FULL
+     surface, then re-inset by the same amount so the prompt text and the dot
+     keep their positions. The banner shares the card's own surface (no banner
+     token): the l2 divider below is the section boundary. */
   margin-left: calc(-1 * var(--dsl-terminal-gutter));
   padding: 9px 14px 9px var(--dsl-terminal-gutter);
-  background: var(--dsw-alias-markdown-code-block-banner);
   border-top-left-radius: var(--dsl-terminal-radius);
   border-top-right-radius: var(--dsl-terminal-radius);
+  /* A long multi-line command scrolls inside the banner (same cap as the
+     IN/OUT card's sections) instead of pushing the output off screen. */
+  max-height: 150px;
+  overflow-y: auto;
+}
+
+/* Banner scrollbar floats off the card edge like the output's. */
+.header::-webkit-scrollbar-thumb {
+  border: 2px solid transparent;
+  background-clip: padding-box;
+  border-radius: 6px;
+}
+
+.header::-webkit-scrollbar-track {
+  margin: 6px;
+}
+
+/* Full-width l2 hairline between the command banner and the body — the same
+   divider the IN/OUT card draws between its sections. A running card is
+   banner-only, so it draws none. */
+.block:not([data-running]) .header {
+  border-bottom: 1px solid var(--dsw-alias-border-l2);
 }
 
 /* One row per command line. The prompt column is the only element allowed to
@@ -51,7 +78,7 @@
   flex-direction: column;
   min-width: 0;
   flex: 1;
-  font: var(--dsw-font-markdown-code-block);
+  font: var(--dsl-terminal-font);
 }
 
 .promptLine {
@@ -100,27 +127,59 @@
   white-space: pre;
 }
 
+/* Capped to the prompt's line height (Pill's own 24px height would exceed a
+   smaller-font prompt row and stretch the banner). Sticky against the
+   banner's own scroll so the pill and the copy control stay in reach while a
+   long command scrolls underneath. */
 .status {
   flex: none;
+  position: sticky;
+  top: 0;
+  height: var(--dsl-terminal-line-height);
   color: var(--dsw-alias-state-error-primary);
 }
 
 .copyButton {
   flex: none;
-  background-color: transparent;
+  position: sticky;
+  top: 0;
+  /* Card surface, not transparent: the control is sticky over the banner's
+     own scroll, so scrolled command text must not bleed through it. */
+  background-color: var(--dsw-alias-markdown-code-block);
   border: none;
   padding: 0;
   margin: 0;
   color: var(--dsw-alias-label-secondary);
   cursor: pointer;
   font: var(--dsw-font-xs-13);
+  line-height: var(--dsl-terminal-line-height);
 }
 
+/* Vertical scrolling lives on the OUTPUT, not the card root: a root scroller
+   would run its scrollbar over the banner (and the copy control), while here
+   the banner stays pinned and the bar sits inside the output's right padding.
+   Unset, the max-height is none and the auto overflow never engages. */
 .output {
+  max-height: var(--dsl-terminal-output-max-height, none);
   padding: 12px 14px 12px 0;
-  font: var(--dsw-font-markdown-code-block);
+  font: var(--dsl-terminal-font);
   overflow-x: auto;
-  overflow-y: hidden;
+  overflow-y: auto;
+}
+
+/* Both output scrollbars (vertical cap, horizontal pre overflow) float 2px
+   off the card edge: a transparent border clips the thumb inward so it never
+   hugs the rounded corner. */
+.output::-webkit-scrollbar-thumb {
+  border: 2px solid transparent;
+  background-clip: padding-box;
+  border-radius: 6px;
+}
+
+/* Track end-margins keep the thumb's travel out of the card's rounded
+   corners in both directions. */
+.output::-webkit-scrollbar-track {
+  margin: 6px;
 }
 
 /* No wrapping, no word-break: alignment is the payload of terminal output. */
@@ -147,6 +206,6 @@
 
 .empty {
   padding: 12px 14px 12px 0;
-  font: var(--dsw-font-markdown-code-block);
+  font: var(--dsl-terminal-font);
   color: var(--dsw-alias-label-tertiary);
 }
diff --git a/packages/client/ui-primitives/src/TerminalBlock.tsx b/packages/client/ui-primitives/src/TerminalBlock.tsx
index 9688b3cf7d..4cec564da6 100644
--- a/packages/client/ui-primitives/src/TerminalBlock.tsx
+++ b/packages/client/ui-primitives/src/TerminalBlock.tsx
@@ -8,7 +8,8 @@
 import { useCallback, useMemo, useState } from 'react'
 import clsx from 'clsx'
 import { parseAnsiLines, type AnsiLine } from './ansi.ts'
-import { writeClipboard } from './clipboard.ts'
+import { headTailCap } from './head-tail-cap.ts'
+import { useCopyFeedback } from './use-copy-feedback.ts'
 import { Pill } from './Pill.tsx'
 import { StateDot, type StateDotState } from './StateDot.tsx'
 import css from './TerminalBlock.module.css'
@@ -83,7 +84,7 @@ export interface TerminalBlockProps {
   signal?: string | undefined
   /** The command is still running: the block shows the prompt line alone. */
   running?: boolean | undefined
-  /** Height cap in output lines before the middle collapses (default {@link DEFAULT_TERMINAL_MAX_LINES}). */
+  /** Height cap in output lines before the middle collapses (default {@link DEFAULT_TERMINAL_MAX_LINES}); Infinity disables the cap. */
   maxLines?: number | undefined
   /** Extra class merged onto the wrapper (callers position; this component draws). */
   className?: string | undefined
@@ -202,18 +203,9 @@ export function TerminalBlock({
     return terminated ? parsed.slice(0, -1) : parsed
   }, [text])
   const [expanded, setExpanded] = useState(false)
-  const [copied, setCopied] = useState(false)
-
-  const onCopy = useCallback(() => {
-    if (copied) return
-    // The raw output, never the rendered tree: the prompt line and the status
-    // pill are chrome the user did not run.
-    void writeClipboard(text).then((ok) => {
-      if (!ok) return
-      setCopied(true)
-      window.setTimeout(() => { setCopied(false) }, 1000)
-    })
-  }, [copied, text])
+  // The raw output, never the rendered tree: the prompt line and the status pill
+  // are chrome the user did not run.
+  const { copied, onCopy } = useCopyFeedback(text)
 
   const onToggle = useCallback(() => { setExpanded(value => !value) }, [])
 
@@ -232,12 +224,7 @@ export function TerminalBlock({
   // the raw text drew an output box of blank rows plus a copy control for
   // invisible bytes, and hid the placeholder that belongs there.
   const empty = lines.every(line => line.every(span => span.text.trim() === ''))
-  const hidden = lines.length - maxLines
-  const capped = hidden > 0 && !expanded
-  // Same split arithmetic as the TUI transcript's collapsed tool card, so a
-  // command's head and tail slices agree between the two front ends.
-  const headLines = Math.ceil(maxLines / 2)
-  const tailLines = maxLines - headLines
+  const { hidden, capped, headLines, tailLines } = headTailCap(lines.length, maxLines, expanded)
 
   return (
     <div className={clsx(css.block, className)} data-terminal="" data-running={running ? '' : undefined}>
diff --git a/packages/client/ui-primitives/src/WebBlock.module.css b/packages/client/ui-primitives/src/WebBlock.module.css
new file mode 100644
index 0000000000..8aad5872ba
--- /dev/null
+++ b/packages/client/ui-primitives/src/WebBlock.module.css
@@ -0,0 +1,133 @@
+/* Geometry mirrors CodeBlock/TerminalBlock (12px radius, code-block surface,
+   16px vertical margin) so a web card, a terminal card, and a fenced code block
+   read as one family. A source list is prose, not aligned output, so it wraps
+   normally rather than scrolling horizontally like a terminal card's output. */
+
+.block {
+  --dsl-web-radius: 12px;
+
+  margin: 16px 0;
+  padding: 12px 14px;
+  color: var(--dsw-alias-label-primary);
+  background: var(--dsw-alias-markdown-code-block);
+  border-radius: var(--dsl-web-radius);
+}
+
+/* The provider answer reads as body prose above the citation list; its own
+   MarkdownText margins are trimmed so the list sits tight under it. */
+.answer {
+  margin-bottom: 8px;
+}
+
+.answer > :global(div) > :first-child {
+  margin-top: 0;
+}
+
+.answer > :global(div) > :last-child {
+  margin-bottom: 0;
+}
+
+/* The citation list: ordered so each source reads as a numbered reference. */
+.sources {
+  margin: 0;
+  padding-left: 20px;
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.source {
+  min-width: 0;
+}
+
+.sourceLink {
+  color: var(--dsw-alias-state-business-primary);
+  font-size: 14px;
+  line-height: 20px;
+  word-break: break-word;
+}
+
+.sourceLink:hover {
+  text-decoration: underline;
+}
+
+.snippet {
+  margin-top: 2px;
+  color: var(--dsw-alias-label-secondary);
+  font-size: 13px;
+  line-height: 19px;
+  word-break: break-word;
+}
+
+.published {
+  margin-top: 2px;
+  color: var(--dsw-alias-label-tertiary);
+  font: var(--dsw-font-xs-13);
+}
+
+.expandItem {
+  list-style: none;
+}
+
+.expand {
+  display: block;
+  width: 100%;
+  padding: 0;
+  border: none;
+  background-color: transparent;
+  color: var(--dsw-alias-label-tertiary);
+  cursor: pointer;
+  font: inherit;
+  text-align: left;
+}
+
+.expand:hover {
+  color: var(--dsw-alias-label-secondary);
+}
+
+.truncated {
+  margin-top: 8px;
+  color: var(--dsw-alias-label-tertiary);
+  font: var(--dsw-font-xs-13);
+}
+
+.empty {
+  color: var(--dsw-alias-label-secondary);
+  font: var(--dsw-font-xs-13);
+}
+
+/* The fetch card is a compact summary: the URL over a status/truncation row. */
+.fetch {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+
+.fetchUrl {
+  color: var(--dsw-alias-state-business-primary);
+  font-family: var(--ds-font-family-code);
+  font-size: 13px;
+  line-height: 19px;
+  word-break: break-all;
+}
+
+.fetchUrl:hover {
+  text-decoration: underline;
+}
+
+.fetchMeta {
+  display: flex;
+  align-items: baseline;
+  gap: 12px;
+}
+
+.status {
+  color: var(--dsw-alias-label-secondary);
+  font: var(--dsw-font-xs-13);
+}
+
+/* The fetch card's truncation note sits inline beside the status, so it drops
+   the search card's top margin. */
+.fetch .truncated {
+  margin-top: 0;
+}
diff --git a/packages/client/ui-primitives/src/WebBlock.tsx b/packages/client/ui-primitives/src/WebBlock.tsx
new file mode 100644
index 0000000000..804ff17dfa
--- /dev/null
+++ b/packages/client/ui-primitives/src/WebBlock.tsx
@@ -0,0 +1,242 @@
+// WebBlock: the surface for a completed web retrieval. One component draws both
+// kinds of the `web` render intent, discriminated by `kind`: a `search` shows an
+// optional provider answer above a citation list of sources (each a safe
+// external link labelled by its title, or its hostname when the provider gave
+// none, with the snippet and publication date below it), and a `fetch` shows a
+// compact retrieval summary (the linked final URL and its HTTP status). Both
+// mark a capped retrieval. Every link is a same-origin-safe external anchor:
+// only http(s) URLs become anchors (target/rel set) — the http(s) subset of the
+// allowlist MarkdownText applies to untrusted assistant-authored links (it also
+// permits mailto, excluded here); an unparseable or non-http URL renders as
+// plain text. Geometry, radius, and fonts mirror CodeBlock/TerminalBlock so a
+// web card reads as one family with them; a long source list caps at maxSources
+// with a head/tail collapse using the same arithmetic as TerminalBlock's output
+// cap.
+
+import { useCallback, useState } from 'react'
+import clsx from 'clsx'
+import { MarkdownText } from './markdown/MarkdownText.tsx'
+import css from './WebBlock.module.css'
+
+/**
+ * Sources shown before the height cap collapses the middle of a citation list.
+ * Matches TerminalBlock's default output budget so both cards cut a long body
+ * at the same place; the chat row narrows it through the maxSources prop.
+ */
+export const DEFAULT_WEB_MAX_SOURCES = 16
+
+/**
+ * One citeable source drawn in a search card: the projection of the contract's
+ * `WebSource`, with the optional fields kept optional so a provider that
+ * returned only a URL still renders (its hostname becomes the label).
+ */
+export interface WebSourceView {
+  /** The source URL; becomes a safe external link when it is http(s). */
+  url: string
+  /** The source title; when absent the URL's hostname labels the link. */
+  title?: string | undefined
+  /** A short excerpt or summary shown under the link. */
+  snippet?: string | undefined
+  /** Publication/crawl timestamp, a provider-supplied string shown under the link. */
+  publishedAt?: string | undefined
+}
+
+/** A `web_search` card: an optional answer over a capped citation list. */
+export interface WebSearchBlockProps {
+  kind: 'search'
+  /** The provider-generated answer, rendered as markdown above the sources. */
+  answer?: string | undefined
+  /** The cited sources, in provider order. */
+  sources: WebSourceView[]
+  /** True when the tool cut the source list to its result cap. */
+  truncated: boolean
+  /** Sources shown before the middle collapses (default {@link DEFAULT_WEB_MAX_SOURCES}). */
+  maxSources?: number | undefined
+  /** Extra class merged onto the wrapper (callers position; this component draws). */
+  className?: string | undefined
+}
+
+/** A `web_fetch` card: the retrieval summary for one fetched URL. */
+export interface WebFetchBlockProps {
+  kind: 'fetch'
+  /** The final URL after allowed redirects; becomes a safe external link when http(s). */
+  url: string
+  /** HTTP status code of the fetched response. */
+  statusCode: number
+  /** True when the provider or the output cap cut the fetched content. */
+  truncated: boolean
+  /**
+   * Accepted and ignored, so both card kinds take one uniform prop set (a fetch
+   * card has no source list to cap) — the same way TerminalBlock accepts one
+   * `maxLines` across its arms. Lets a render site spread `maxSources` onto
+   * either kind without a per-kind conditional.
+   */
+  maxSources?: number | undefined
+  /** Extra class merged onto the wrapper (callers position; this component draws). */
+  className?: string | undefined
+}
+
+/** A completed web retrieval card, discriminated by `kind`. */
+export type WebBlockProps = WebSearchBlockProps | WebFetchBlockProps
+
+/**
+ * The URL to link to, or undefined when the URL must render as plain text. Only
+ * http(s) becomes a navigable external anchor, so a `javascript:`/`data:`/`file:`
+ * URL or an unparseable string never reaches the DOM as an href. This is the
+ * http(s) subset of the allowlist MarkdownText applies to untrusted links —
+ * MarkdownText also permits `mailto:`, deliberately excluded here since a
+ * retrieval URL is never a mail address.
+ * @param url - the source or fetch URL, from tool result content.
+ * @returns the href to use, or undefined for plain text.
+ */
+function safeHref(url: string): string | undefined {
+  try {
+    const { protocol } = new URL(url)
+    return protocol === 'http:' || protocol === 'https:' ? url : undefined
+  } catch {
+    return undefined
+  }
+}
+
+/**
+ * The link's visible label: the title when the provider gave one, otherwise the
+ * URL's hostname, falling back to the raw URL when it does not parse OR parses
+ * to an empty hostname (a `file:`/`data:`/`javascript:` URL), so a label is
+ * never blank.
+ * @param url - the source URL.
+ * @param title - the provider title, if any.
+ * @returns the label text.
+ */
+function linkLabel(url: string, title: string | undefined): string {
+  if (title !== undefined && title !== '') return title
+  try {
+    const { hostname } = new URL(url)
+    return hostname === '' ? url : hostname
+  } catch {
+    return url
+  }
+}
+
+/**
+ * A single URL rendered as a safe external anchor, or as plain text when the
+ * URL is not an http(s) link.
+ * @param props.url - the URL to render.
+ * @param props.label - the visible label.
+ * @param props.className - class for the anchor or the plain span.
+ * @returns the anchor or span element.
+ */
+function SafeLink({ url, label, className }: { url: string; label: string; className?: string | undefined }) {
+  const href = safeHref(url)
+  if (href === undefined) return <span className={className}>{label}</span>
+  return (
+    <a className={className} href={href} target="_blank" rel="noopener noreferrer">
+      {label}
+    </a>
+  )
+}
+
+/**
+ * One source row in a search card: the safe link plus its snippet and date. The
+ * `<li value>` pins the source's original 1-based position, so a collapsed list
+ * whose tail is drawn after the head still numbers each source by its real
+ * citation index rather than by its position in the visible subset.
+ * @param props.source - the source to render.
+ * @param props.ordinal - the source's 1-based position in the full list.
+ * @returns the source list item.
+ */
+function SourceItem({ source, ordinal }: { source: WebSourceView; ordinal: number }) {
+  return (
+    <li className={css.source} value={ordinal}>
+      <SafeLink url={source.url} label={linkLabel(source.url, source.title)} className={css.sourceLink} />
+      {source.snippet !== undefined && source.snippet !== '' && (
+        <div className={css.snippet}>{source.snippet}</div>
+      )}
+      {source.publishedAt !== undefined && source.publishedAt !== '' && (
+        <div className={css.published}>{source.publishedAt}</div>
+      )}
+    </li>
+  )
+}
+
+/**
+ * The search card body: the answer over the capped source list.
+ * @param props - see {@link WebSearchBlockProps}.
+ * @returns the search card element.
+ */
+function WebSearchBlock({ answer, sources, truncated, maxSources = DEFAULT_WEB_MAX_SOURCES, className }: WebSearchBlockProps) {
+  const [expanded, setExpanded] = useState(false)
+  const onToggle = useCallback(() => { setExpanded(value => !value) }, [])
+  const hidden = sources.length - maxSources
+  const capped = hidden > 0 && !expanded
+  // Same split arithmetic as TerminalBlock's output cap, so a long body's head
+  // and tail slices agree between the two cards.
+  const headCount = Math.ceil(maxSources / 2)
+  const tailCount = maxSources - headCount
+  const head = capped ? sources.slice(0, headCount) : sources
+  const tail = capped ? sources.slice(sources.length - tailCount) : []
+  // A provider may legitimately return no answer and no sources; the chat WebRow
+  // does not show the raw result content, so without this the user would see an
+  // empty card. Mirror the backend's `No results found.` render text.
+  const empty = (answer === undefined || answer === '') && sources.length === 0
+  return (
+    <div className={clsx(css.block, className)} data-web="search">
+      {answer !== undefined && answer !== '' && (
+        <div className={css.answer}><MarkdownText text={answer} /></div>
+      )}
+      {empty ? (
+        <div className={css.empty}>未找到结果</div>
+      ) : (
+        <ol className={css.sources}>
+          {head.map((source, index) => <SourceItem key={index} source={source} ordinal={index + 1} />)}
+          {hidden > 0 && (
+            <li className={css.expandItem}>
+              <button
+                type="button"
+                className={css.expand}
+                aria-expanded={expanded}
+                aria-label={expanded ? '收起来源' : `展开其余 ${hidden} 条来源`}
+                onClick={onToggle}
+              >
+                {expanded ? '收起' : `… 其余 ${hidden} 条来源`}
+              </button>
+            </li>
+          )}
+          {tail.map((source, index) => (
+            <SourceItem
+              key={sources.length - tailCount + index}
+              source={source}
+              ordinal={sources.length - tailCount + index + 1}
+            />
+          ))}
+        </ol>
+      )}
+      {truncated && <div className={css.truncated}>来源列表已截断</div>}
+    </div>
+  )
+}
+
+/**
+ * The fetch card body: the linked URL and its HTTP status.
+ * @param props - see {@link WebFetchBlockProps}.
+ * @returns the fetch card element.
+ */
+function WebFetchBlock({ url, statusCode, truncated, className }: WebFetchBlockProps) {
+  return (
+    <div className={clsx(css.block, css.fetch, className)} data-web="fetch">
+      <SafeLink url={url} label={url} className={css.fetchUrl} />
+      <div className={css.fetchMeta}>
+        <span className={css.status}>HTTP {statusCode}</span>
+        {truncated && <span className={css.truncated}>内容已截断</span>}
+      </div>
+    </div>
+  )
+}
+
+/**
+ * Render a completed web retrieval as a structured card.
+ * @param props - see {@link WebBlockProps}; `kind` selects the search or fetch body.
+ * @returns the web card element.
+ */
+export function WebBlock(props: WebBlockProps) {
+  return props.kind === 'search' ? <WebSearchBlock {...props} /> : <WebFetchBlock {...props} />
+}
diff --git a/packages/client/ui-primitives/src/head-tail-cap.ts b/packages/client/ui-primitives/src/head-tail-cap.ts
new file mode 100644
index 0000000000..1ac540dd21
--- /dev/null
+++ b/packages/client/ui-primitives/src/head-tail-cap.ts
@@ -0,0 +1,33 @@
+// Head/tail height-cap arithmetic shared by the block primitives (TerminalBlock,
+// SearchBlock) and matching the TUI transcript's collapsed tool card, so a long
+// result's head and tail slices agree across every surface. The split is
+// `ceil(maxLines / 2)` head rows and the remainder as tail rows; a result within
+// the cap shows every row and hides none.
+
+/** The head/tail split metrics for a capped list. */
+export interface HeadTailCap {
+  /** Rows beyond the cap (list length − maxLines); ≤ 0 means nothing is hidden. */
+  hidden: number
+  /** Whether the list is over the cap and not expanded, so it shows a head/tail slice. */
+  capped: boolean
+  /** Head-slice row count: `ceil(maxLines / 2)`. */
+  headLines: number
+  /** Tail-slice row count: the remainder after the head. */
+  tailLines: number
+}
+
+/**
+ * Compute the head/tail cap metrics for a list of `total` rows against `maxLines`,
+ * given whether the surface is expanded. Pure arithmetic; the caller slices its
+ * own rows with `headLines`/`tailLines` so a block can layer its own concerns
+ * (SearchBlock restores a tail file header) on top.
+ * @param total - the list's row count.
+ * @param maxLines - the collapsed-height cap in rows.
+ * @param expanded - whether the surface is expanded (uncaps the list).
+ * @returns the split metrics.
+ */
+export function headTailCap(total: number, maxLines: number, expanded: boolean): HeadTailCap {
+  const hidden = total - maxLines
+  const headLines = Math.ceil(maxLines / 2)
+  return { hidden, capped: hidden > 0 && !expanded, headLines, tailLines: maxLines - headLines }
+}
diff --git a/packages/client/ui-primitives/src/index.ts b/packages/client/ui-primitives/src/index.ts
index e1dcde0c80..b19147a1cc 100644
--- a/packages/client/ui-primitives/src/index.ts
+++ b/packages/client/ui-primitives/src/index.ts
@@ -13,6 +13,8 @@ export type { MenuEntry, MenuItem, MenuSeparator, MenuLabel } from './Menu.tsx'
 export { useAnchoredMaxHeight } from './useAnchoredMaxHeight.ts'
 export { HoverCard } from './HoverCard.tsx'
 export { Modal } from './Modal.tsx'
+export { RiskConfirmation } from './RiskConfirmation.tsx'
+export type { RiskConfirmationProps } from './RiskConfirmation.tsx'
 export { ConnectionBanner } from './ConnectionBanner.tsx'
 export { FishLogo } from './FishLogo.tsx'
 export { BrandWordmark } from './BrandWordmark.tsx'
@@ -22,6 +24,16 @@ export { JsonTree } from './JsonTree.tsx'
 export type { JsonTreeProps, JsonTreeLabels } from './JsonTree.tsx'
 export { TerminalBlock, DEFAULT_TERMINAL_MAX_LINES } from './TerminalBlock.tsx'
 export type { TerminalBlockProps, TerminalBlockLabels } from './TerminalBlock.tsx'
+export { ReadBlock, DEFAULT_READ_MAX_LINES } from './ReadBlock.tsx'
+export type { ReadBlockProps, ReadBlockLine } from './ReadBlock.tsx'
+export { DiffBlock, DEFAULT_DIFF_MAX_LINES } from './DiffBlock.tsx'
+export type { DiffBlockProps, DiffHunk } from './DiffBlock.tsx'
+export { SearchBlock, DEFAULT_SEARCH_MAX_LINES } from './SearchBlock.tsx'
+export type {
+  SearchBlockProps, SearchMatchesBlockProps, SearchPathsBlockProps, SearchFileGroup, SearchBlockLineMatch,
+} from './SearchBlock.tsx'
+export { WebBlock, DEFAULT_WEB_MAX_SOURCES } from './WebBlock.tsx'
+export type { WebBlockProps, WebSearchBlockProps, WebFetchBlockProps, WebSourceView } from './WebBlock.tsx'
 export { CodeBlock } from './markdown/CodeBlock.tsx'
 export type { CodeBlockProps } from './markdown/CodeBlock.tsx'
 export { JsonBlock } from './markdown/JsonBlock.tsx'
diff --git a/packages/client/ui-primitives/src/markdown/CodeBlock.tsx b/packages/client/ui-primitives/src/markdown/CodeBlock.tsx
index e161be4b9f..7f2fb1caf7 100644
--- a/packages/client/ui-primitives/src/markdown/CodeBlock.tsx
+++ b/packages/client/ui-primitives/src/markdown/CodeBlock.tsx
@@ -4,10 +4,10 @@
 // plain fallback for everything else. Chrome (language banner + copy) matches
 // deepsuite `@deepseek/md` code blocks; token colors stay on `--shiki-*`.
 
-import { useCallback, useMemo, useRef, useState } from 'react'
+import { useCallback, useMemo, useRef, useState, useSyncExternalStore } from 'react'
 import clsx from 'clsx'
 import { writeClipboard } from '../clipboard.ts'
-import { highlightToHtml } from './highlight.ts'
+import { grammarLoadCount, highlightToHtml, subscribeGrammarLoaded } from './highlight.ts'
 import css from './CodeBlock.module.css'
 
 export interface CodeBlockProps {
@@ -25,7 +25,11 @@ export interface CodeBlockProps {
 
 export function CodeBlock({ code, lang, className, copyLabel = '复制', copiedLabel = '复制成功' }: CodeBlockProps) {
   const trimmed = code.endsWith('\n') ? code.slice(0, -1) : code
-  const html = useMemo(() => highlightToHtml(trimmed, lang), [trimmed, lang])
+  // Re-render when a lazy grammar finishes loading, so a fence that showed plain
+  // text while its language's grammar imported picks up highlighting. The
+  // snapshot value is opaque; only its change across renders drives the memo.
+  const loaded = useSyncExternalStore(subscribeGrammarLoaded, grammarLoadCount, grammarLoadCount)
+  const html = useMemo(() => highlightToHtml(trimmed, lang), [trimmed, lang, loaded])
   const rootRef = useRef<HTMLDivElement>(null)
   const [copied, setCopied] = useState(false)
 
diff --git a/packages/client/ui-primitives/src/markdown/highlight.ts b/packages/client/ui-primitives/src/markdown/highlight.ts
index 1fa50f6d2f..d0727c833a 100644
--- a/packages/client/ui-primitives/src/markdown/highlight.ts
+++ b/packages/client/ui-primitives/src/markdown/highlight.ts
@@ -5,10 +5,17 @@
  * theme package's token sheets as `--shiki-*` custom properties (light and
  * dark blocks), never here — the repo's tokens-only styling rule.
  *
- * Grammars are the set the harness actually renders: TypeScript programs
- * (`run_code` bodies; TS pulls in JS via grammar embedding), shell commands,
- * and JSON payloads. An unknown or absent language falls back to plain text
- * (no highlighting, still monospace) — never an error.
+ * Only the three markdown-fence and `run_code` grammars (TypeScript, shell,
+ * JSON) load into the singleton at boot — the set every session renders. The
+ * read card's wider extension set (the file-extension language hints the read
+ * tool's `langFromPath` emits — `packages/fs/tool-fs`: python, rust, yaml,
+ * markup, …) is imported lazily and registered the first time such a language
+ * is requested, so a session that never opens a read card in one of those
+ * languages pays neither the ~1.6 MB of grammar modules nor their synchronous
+ * init. The first render of a lazy language falls back to plain text while its
+ * grammar loads, then {@link onGrammarLoaded} notifies subscribers to re-render
+ * with highlighting. An unknown or absent language falls back to plain text (no
+ * highlighting, still monospace) — never an error.
  */
 
 import { createHighlighterCoreSync, createCssVariablesTheme } from 'shiki/core'
@@ -17,12 +24,69 @@ import langTs from '@shikijs/langs/typescript'
 import langBash from '@shikijs/langs/shellscript'
 import langJson from '@shikijs/langs/json'
 import type { HighlighterCore } from 'shiki/core'
+import type { CSSProperties } from 'react'
+
+/** A shiki grammar module's default export (a `LanguageRegistration[]`), taken
+ *  from a boot grammar so no direct `@shikijs/types` dependency is needed. */
+type LangModule = { default: typeof langTs }
 
 /**
- * Language ids (and aliases) the singleton registers; everything else renders
+ * Grammars the singleton loads at boot; each entry's own `name` is the id
+ * `codeToTokens`/`codeToHtml` resolve. The JS-family aliases (js/jsx/ts/tsx)
+ * resolve to the TypeScript grammar rather than a separate one: it tokenizes
+ * plain TS/JS exactly, and JSX/TSX approximately (shiki's TS grammar is not the
+ * dedicated TSX grammar, so JSX elements tokenize imperfectly) — an accepted
+ * trade to keep the boot set to one JS-family grammar. The read card's wider
+ * set loads lazily through {@link LAZY_GRAMMARS}.
+ */
+const LANGS = [langTs, langBash, langJson]
+
+/**
+ * The read card's extension grammars, each behind a dynamic import so its
+ * module stays out of the boot chunk until a read of that language renders.
+ * Keyed by the grammar id (`LanguageRegistration.name`) the aliases resolve to.
+ * `@shikijs/langs`' default export is a `LanguageRegistration[]`; the loader
+ * hands the whole array to `loadLanguageSync`, which registers each entry
+ * (including embedded sub-grammars). The three boot grammars are absent —
+ * already loaded, so no alias value ever points at a missing entry here.
+ */
+const LAZY_GRAMMARS = new Map<string, () => Promise<LangModule>>([
+  ['python', () => import('@shikijs/langs/python')],
+  ['ruby', () => import('@shikijs/langs/ruby')],
+  ['go', () => import('@shikijs/langs/go')],
+  ['rust', () => import('@shikijs/langs/rust')],
+  ['java', () => import('@shikijs/langs/java')],
+  ['c', () => import('@shikijs/langs/c')],
+  ['cpp', () => import('@shikijs/langs/cpp')],
+  ['csharp', () => import('@shikijs/langs/csharp')],
+  ['kotlin', () => import('@shikijs/langs/kotlin')],
+  ['swift', () => import('@shikijs/langs/swift')],
+  ['php', () => import('@shikijs/langs/php')],
+  ['yaml', () => import('@shikijs/langs/yaml')],
+  ['toml', () => import('@shikijs/langs/toml')],
+  ['ini', () => import('@shikijs/langs/ini')],
+  ['markdown', () => import('@shikijs/langs/markdown')],
+  ['mdx', () => import('@shikijs/langs/mdx')],
+  ['html', () => import('@shikijs/langs/html')],
+  ['css', () => import('@shikijs/langs/css')],
+  ['scss', () => import('@shikijs/langs/scss')],
+  ['less', () => import('@shikijs/langs/less')],
+  ['sql', () => import('@shikijs/langs/sql')],
+  ['xml', () => import('@shikijs/langs/xml')],
+  ['lua', () => import('@shikijs/langs/lua')],
+])
+
+/**
+ * Language ids (and aliases) the highlighter accepts; everything else renders
  * plain. A Map, not an object: fence info strings are assistant-authored, so
  * a label like `constructor` or `__proto__` must miss instead of resolving an
- * inherited property and crashing the renderer inside shiki.
+ * inherited property and crashing the renderer inside shiki. Keys cover both
+ * the markdown-fence aliases `CodeBlock` uses and the file-extension hint ids
+ * the read tool's `langFromPath` emits, so both callers resolve the same
+ * grammars. The JS family maps to the TypeScript grammar (see {@link LANGS} for
+ * the JSX/TSX approximation), unchanged from when this was the only
+ * non-shell/JSON grammar. A value not in {@link LANGS} names a
+ * {@link LAZY_GRAMMARS} entry loaded on first use.
  */
 const LANG_ALIASES = new Map<string, string>([
   ['typescript', 'typescript'],
@@ -30,6 +94,7 @@ const LANG_ALIASES = new Map<string, string>([
   ['tsx', 'typescript'],
   ['javascript', 'typescript'],
   ['js', 'typescript'],
+  ['jsx', 'typescript'],
   ['shellscript', 'shellscript'],
   ['bash', 'shellscript'],
   ['sh', 'shellscript'],
@@ -37,6 +102,35 @@ const LANG_ALIASES = new Map<string, string>([
   ['zsh', 'shellscript'],
   ['json', 'json'],
   ['jsonc', 'json'],
+  ['py', 'python'],
+  ['python', 'python'],
+  ['rb', 'ruby'],
+  ['ruby', 'ruby'],
+  ['go', 'go'],
+  ['rs', 'rust'],
+  ['rust', 'rust'],
+  ['java', 'java'],
+  ['c', 'c'],
+  ['cpp', 'cpp'],
+  ['cs', 'csharp'],
+  ['csharp', 'csharp'],
+  ['kotlin', 'kotlin'],
+  ['swift', 'swift'],
+  ['php', 'php'],
+  ['yaml', 'yaml'],
+  ['yml', 'yaml'],
+  ['toml', 'toml'],
+  ['ini', 'ini'],
+  ['md', 'markdown'],
+  ['markdown', 'markdown'],
+  ['mdx', 'mdx'],
+  ['html', 'html'],
+  ['css', 'css'],
+  ['scss', 'scss'],
+  ['less', 'less'],
+  ['sql', 'sql'],
+  ['xml', 'xml'],
+  ['lua', 'lua'],
 ])
 
 /** All token colors resolve through `--shiki-*` custom properties (theme package sheets). */
@@ -52,12 +146,68 @@ let singleton: HighlighterCore | undefined
 function highlighter(): HighlighterCore {
   singleton ??= createHighlighterCoreSync({
     themes: [cssVariablesTheme],
-    langs: [langTs, langBash, langJson],
+    langs: LANGS,
     engine: createJavaScriptRegexEngine({ forgiving: true }),
   })
   return singleton
 }
 
+/** Grammar ids whose lazy import is in flight or done, so it is requested once. */
+const requested = new Set<string>()
+/** Subscribers re-rendered after a lazy grammar registers (React callers). */
+const listeners = new Set<() => void>()
+/** Bumped on each lazy-grammar load; the `useSyncExternalStore` snapshot. */
+let loadCount = 0
+
+/**
+ * Subscribe to lazy-grammar load completions; `listener` fires after a
+ * {@link LAZY_GRAMMARS} grammar finishes registering on the singleton, so a
+ * caller that rendered its plain fallback while the grammar loaded can
+ * re-highlight. Shaped as a `useSyncExternalStore` subscribe: pair it with
+ * {@link grammarLoadCount} as the snapshot. Returns an unsubscribe function.
+ * @param listener - invoked (no args) on each grammar-load completion.
+ * @returns a disposer that removes the listener.
+ */
+export function subscribeGrammarLoaded(listener: () => void): () => void {
+  listeners.add(listener)
+  return () => { listeners.delete(listener) }
+}
+
+/**
+ * The lazy-grammar load counter — a value that changes on every load, so a
+ * `useSyncExternalStore` snapshot re-renders the subscriber when a grammar
+ * registers. Opaque: only its identity across renders matters.
+ * @returns the current load count.
+ */
+export function grammarLoadCount(): number {
+  return loadCount
+}
+
+/**
+ * Ensure the grammar `resolved` names is registered. A boot grammar (not in
+ * {@link LAZY_GRAMMARS}) and an already-loaded lazy grammar report ready
+ * synchronously; a lazy grammar not yet loaded starts its import (once) and
+ * reports not-ready, so the caller renders plain until a
+ * {@link subscribeGrammarLoaded} listener fires.
+ * @param resolved - the grammar id an alias resolved to.
+ * @returns whether the grammar is registered and ready to tokenize now.
+ */
+function ensureGrammar(resolved: string): boolean {
+  const load = LAZY_GRAMMARS.get(resolved)
+  // A boot grammar (already registered) has no lazy loader; it is always ready.
+  if (load === undefined) return true
+  if (highlighter().getLoadedLanguages().includes(resolved)) return true
+  if (!requested.has(resolved)) {
+    requested.add(resolved)
+    void load().then((mod) => {
+      highlighter().loadLanguageSync(mod.default)
+      loadCount += 1
+      for (const listener of listeners) listener()
+    })
+  }
+  return false
+}
+
 // Engine + grammar construction costs a long task (~120-175ms); building it
 // during the first finalized fence's render would jank exactly when a stream
 // completes. Warm the singleton in a deferred task at module load (= plugin
@@ -70,13 +220,59 @@ const warmupTimer = setTimeout(() => { highlighter() }, 0)
 /**
  * Highlight `code` into shiki's HTML (a single `<pre class="shiki">` tree)
  * when `lang` maps to a registered grammar; `undefined` means the caller
- * renders its plain fallback.
+ * renders its plain fallback. A lazy grammar not yet loaded returns `undefined`
+ * for this call and loads in the background; subscribe with
+ * {@link onGrammarLoaded} to re-highlight once it registers.
  * @param code - the source text.
  * @param lang - the language hint (a markdown fence info string or a fixed caller id).
- * @returns the highlighted HTML, or `undefined` for unknown languages.
+ * @returns the highlighted HTML, or `undefined` for unknown or not-yet-loaded languages.
  */
 export function highlightToHtml(code: string, lang: string | undefined): string | undefined {
   const resolved = lang === undefined ? undefined : LANG_ALIASES.get(lang.toLowerCase())
   if (resolved === undefined) return undefined
+  if (!ensureGrammar(resolved)) return undefined
   return highlighter().codeToHtml(code, { lang: resolved, theme: 'css-variables' })
 }
+
+/**
+ * One highlighted run of a line: the text and the inline style shiki assigned
+ * it. The css-variables theme colors every run through a `--shiki-*` custom
+ * property, so `style.color` is always present; it is held as a style object
+ * rather than a bare color so a run spreads onto a `<span style>` uniformly.
+ */
+export interface HighlightSpan {
+  text: string
+  style: CSSProperties
+}
+
+/**
+ * Tokenize `code` into per-line highlighted runs when `lang` maps to a
+ * registered grammar; `undefined` means the caller renders its plain fallback.
+ * A line-numbered view needs the token runs split per line (one gutter number
+ * per line), which the single-`<pre>` {@link highlightToHtml} does not expose,
+ * so this returns shiki's own 2D line/token structure narrowed to what a run
+ * renders. Each run's color is a `--shiki-*` custom property, keeping token
+ * colors on the theme package's sheets exactly as the HTML path does; the
+ * css-variables theme carries no font-style bits, matching that path's
+ * color-only output. The trailing newline shiki appends as a final empty line
+ * is dropped so the run count matches the caller's own line array.
+ * @param code - the source text.
+ * @param lang - the language hint (a file-extension-derived language id).
+ * @returns one entry per source line (each an array of runs), or `undefined` for unknown or not-yet-loaded languages.
+ */
+export function highlightLines(code: string, lang: string | undefined): HighlightSpan[][] | undefined {
+  const resolved = lang === undefined ? undefined : LANG_ALIASES.get(lang.toLowerCase())
+  if (resolved === undefined) return undefined
+  if (!ensureGrammar(resolved)) return undefined
+  const { tokens } = highlighter().codeToTokens(code, { lang: resolved, theme: 'css-variables' })
+  // shiki tokenizes `a\nb` into two lines; a trailing newline (`a\n`) adds a
+  // third, empty line the caller's own line array does not carry. Drop that
+  // one terminator line so the two structures stay in step. The explicit
+  // `last !== undefined` (over `tokens[...]?.length`) keeps a single branch for
+  // per-file coverage, matching TerminalBlock's terminator check.
+  const last = tokens[tokens.length - 1]
+  const lines = tokens.length > 1 && last !== undefined && last.length === 0
+    ? tokens.slice(0, -1)
+    : tokens
+  return lines.map(line => line.map(token => ({ text: token.content, style: { color: token.color } })))
+}
diff --git a/packages/client/ui-primitives/src/pointer-grace.ts b/packages/client/ui-primitives/src/pointer-grace.ts
new file mode 100644
index 0000000000..1619cfe66e
--- /dev/null
+++ b/packages/client/ui-primitives/src/pointer-grace.ts
@@ -0,0 +1,53 @@
+// Shared close timing for pointer-dismissed popups (HoverCard, hover-closing
+// Menu). Both float free of their anchor, so the pointer has to cross ground
+// that belongs to neither on its way in; closing on the first pointerleave
+// makes the popup unreachable. The grace turns that transit into a cancelable
+// pending close.
+
+import { useCallback, useEffect, useRef } from 'react'
+
+/**
+ * Grace before a pointer-dismissed popup closes. Covers the anchor->popup gap
+ * (8px for HoverCard, 4px for Menu) at a hand's travel speed without leaving a
+ * popup lingering once the pointer has genuinely moved on.
+ */
+export const POINTER_GRACE_MS = 200
+
+/** Cancelable delayed close for a pointer-dismissed popup. */
+export interface PointerGrace {
+  /** Schedule the close {@link POINTER_GRACE_MS} from now, replacing any pending one. */
+  arm: () => void
+  /** Abort a pending close (the pointer came back). */
+  cancel: () => void
+}
+
+/**
+ * Delay a pointer-dismissed popup's close so the pointer can cross the gap
+ * between anchor and popup. A pending close is dropped on unmount.
+ * @param close - runs when the grace elapses with no re-entry; read at fire
+ * time, so callers may pass a fresh closure each render.
+ * @returns the {@link PointerGrace} handle.
+ */
+export function usePointerGrace(close: () => void): PointerGrace {
+  const timerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
+  const closeRef = useRef(close)
+  closeRef.current = close
+
+  const cancel = useCallback(() => {
+    if (timerRef.current === null) return
+    clearTimeout(timerRef.current)
+    timerRef.current = null
+  }, [])
+
+  const arm = useCallback(() => {
+    cancel()
+    timerRef.current = setTimeout(() => {
+      timerRef.current = null
+      closeRef.current()
+    }, POINTER_GRACE_MS)
+  }, [cancel])
+
+  useEffect(() => cancel, [cancel])
+
+  return { arm, cancel }
+}
diff --git a/packages/client/ui-primitives/src/use-copy-feedback.ts b/packages/client/ui-primitives/src/use-copy-feedback.ts
new file mode 100644
index 0000000000..1340a00625
--- /dev/null
+++ b/packages/client/ui-primitives/src/use-copy-feedback.ts
@@ -0,0 +1,37 @@
+// The copy-to-clipboard-with-feedback hook shared by the block primitives
+// (TerminalBlock, SearchBlock): write the given text, and on success flip a
+// transient `copied` flag that the caller renders as a "复制成功" label for one
+// second. A refused write leaves the flag untouched, so the control never claims
+// a copy the host declined.
+
+import { useCallback, useState } from 'react'
+import { writeClipboard } from './clipboard.ts'
+
+/** How long the `copied` flag stays true after a successful write, in ms. */
+const COPIED_FEEDBACK_MS = 1000
+
+/** The copy-feedback hook's return: the transient flag and the copy handler. */
+export interface CopyFeedback {
+  /** True for {@link COPIED_FEEDBACK_MS} after a successful write; render the success label off it. */
+  copied: boolean
+  /** Copy the hook's text; no-op while `copied` is still true, silent on a refused write. */
+  onCopy: () => void
+}
+
+/**
+ * Copy `text` to the clipboard with one-second success feedback.
+ * @param text - the text to write on copy.
+ * @returns the `copied` flag and the `onCopy` handler.
+ */
+export function useCopyFeedback(text: string): CopyFeedback {
+  const [copied, setCopied] = useState(false)
+  const onCopy = useCallback(() => {
+    if (copied) return
+    void writeClipboard(text).then((ok) => {
+      if (!ok) return
+      setCopied(true)
+      window.setTimeout(() => { setCopied(false) }, COPIED_FEEDBACK_MS)
+    })
+  }, [copied, text])
+  return { copied, onCopy }
+}
diff --git a/packages/client/ui-primitives/tests/atoms.spec.tsx b/packages/client/ui-primitives/tests/atoms.spec.tsx
index c6be209fff..568853d0cb 100644
--- a/packages/client/ui-primitives/tests/atoms.spec.tsx
+++ b/packages/client/ui-primitives/tests/atoms.spec.tsx
@@ -1,7 +1,8 @@
 // @vitest-environment jsdom
-import { cleanup, fireEvent, render, screen } from '@testing-library/react'
+import { act, cleanup, fireEvent, render, screen } from '@testing-library/react'
 import { afterEach, describe, expect, it, vi } from 'vitest'
 import { Button, ConnectionBanner, Input, Menu, Modal, Pill } from '@deepseek-ai/dsh-client-ui-primitives'
+import { POINTER_GRACE_MS } from '../src/pointer-grace.ts'
 
 afterEach(cleanup)
 
@@ -160,16 +161,77 @@ describe('Menu', () => {
     expect(onSelect).toHaveBeenCalledWith('del')
   })
 
-  it('closeOnPointerLeave closes when the pointer leaves the list; default stays open', () => {
-    const onClose = vi.fn()
-    const { rerender } = render(
-      <Menu open closeOnPointerLeave anchor={<span>trigger</span>} items={items} onSelect={() => {}} onClose={onClose} />)
-    fireEvent.pointerLeave(screen.getByRole('menu'))
-    expect(onClose).toHaveBeenCalledTimes(1)
-    rerender(
-      <Menu open anchor={<span>trigger</span>} items={items} onSelect={() => {}} onClose={onClose} />)
-    fireEvent.pointerLeave(screen.getByRole('menu'))
-    expect(onClose).toHaveBeenCalledTimes(1)
+  it('closeOnPointerLeave closes a grace after the pointer leaves trigger and list; default never does', () => {
+    vi.useFakeTimers()
+    try {
+      const onClose = vi.fn()
+      const { rerender } = render(
+        <Menu open closeOnPointerLeave anchor={<span>trigger</span>} items={items} onSelect={() => {}} onClose={onClose} />)
+      const wrapper = screen.getByText('trigger').parentElement as HTMLElement
+      fireEvent.pointerLeave(wrapper)
+      // Still open through the grace: the pointer may be crossing the gap.
+      act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS - 1) })
+      expect(onClose).not.toHaveBeenCalled()
+      act(() => { vi.advanceTimersByTime(1) })
+      expect(onClose).toHaveBeenCalledTimes(1)
+      rerender(
+        <Menu open anchor={<span>trigger</span>} items={items} onSelect={() => {}} onClose={onClose} />)
+      fireEvent.pointerLeave(wrapper)
+      act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS * 10) })
+      expect(onClose).toHaveBeenCalledTimes(1)
+    } finally {
+      vi.useRealTimers()
+    }
+  })
+
+  it('coming back inside the grace keeps the list open (trigger and list are one region)', () => {
+    vi.useFakeTimers()
+    try {
+      const onClose = vi.fn()
+      render(
+        <Menu open closeOnPointerLeave anchor={<span>trigger</span>} items={items} onSelect={() => {}} onClose={onClose} />)
+      const wrapper = screen.getByText('trigger').parentElement as HTMLElement
+      fireEvent.pointerLeave(wrapper)
+      act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS - 50) })
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS * 10) })
+      expect(onClose).not.toHaveBeenCalled()
+    } finally {
+      vi.useRealTimers()
+    }
+  })
+
+  it('a close from selection disarms the pending grace close', () => {
+    vi.useFakeTimers()
+    try {
+      const onClose = vi.fn()
+      const { rerender } = render(
+        <Menu open closeOnPointerLeave anchor={<span>trigger</span>} items={items} onSelect={() => {}} onClose={onClose} />)
+      const wrapper = screen.getByText('trigger').parentElement as HTMLElement
+      fireEvent.pointerLeave(wrapper)
+      // The owner closes for its own reason (selection/Escape) mid-grace; the
+      // armed timer must not survive to shut a list reopened right after.
+      rerender(
+        <Menu open={false} closeOnPointerLeave anchor={<span>trigger</span>} items={items} onSelect={() => {}} onClose={onClose} />)
+      act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS * 10) })
+      expect(onClose).not.toHaveBeenCalled()
+    } finally {
+      vi.useRealTimers()
+    }
+  })
+
+  it('leaving a closed list arms nothing', () => {
+    vi.useFakeTimers()
+    try {
+      const onClose = vi.fn()
+      render(
+        <Menu open={false} closeOnPointerLeave anchor={<span>trigger</span>} items={items} onSelect={() => {}} onClose={onClose} />)
+      fireEvent.pointerLeave(screen.getByText('trigger').parentElement as HTMLElement)
+      act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS * 10) })
+      expect(onClose).not.toHaveBeenCalled()
+    } finally {
+      vi.useRealTimers()
+    }
   })
 
   it('a list click does not bubble to the anchor row (portal synthetic-event path)', () => {
@@ -324,12 +386,17 @@ describe('Modal', () => {
       <Modal open={false} onClose={onClose} title="Create new workspace">body</Modal>)
     expect(screen.queryByRole('dialog')).toBeNull()
     rerender(
-      <Modal open onClose={onClose} title="Create new workspace" closeLabel="Configure later" description="Name it." footer={<button type="button">Create</button>}>
+      <Modal open onClose={onClose} title="Create new workspace" closeLabel="Configure later" description="Name it." contentClassName="scrolling-content" footer={<button type="button">Create</button>}>
         <input aria-label="name" />
       </Modal>)
-    expect(screen.getByRole('dialog', { name: 'Create new workspace' })).toBeDefined()
+    const dialog = screen.getByRole('dialog', { name: 'Create new workspace' })
+    expect(dialog).toBeDefined()
+    // The full-page layer escapes caller stacking contexts but remains in
+    // this document/current WebUI window.
+    expect(dialog.parentElement?.parentElement).toBe(document.body)
     expect(screen.getByRole('button', { name: 'Configure later' })).toBeDefined()
     expect(screen.getByText('Name it.')).toBeDefined()
+    expect(screen.getByText('Name it.').parentElement?.className).toContain('scrolling-content')
     fireEvent.keyDown(document, { key: 'a' })
     expect(onClose).not.toHaveBeenCalled()
     fireEvent.keyDown(document, { key: 'Escape' })
diff --git a/packages/client/ui-primitives/tests/code-block.spec.tsx b/packages/client/ui-primitives/tests/code-block.spec.tsx
index 47b0ad24fb..2d56bc1a2d 100644
--- a/packages/client/ui-primitives/tests/code-block.spec.tsx
+++ b/packages/client/ui-primitives/tests/code-block.spec.tsx
@@ -31,6 +31,24 @@ describe('highlightToHtml', () => {
     expect(highlightToHtml('x', 'cobol')).toBeUndefined()
     expect(highlightToHtml('x', undefined)).toBeUndefined()
   })
+
+  // Every read-tool language hint whose grammar loads lazily (the boot set —
+  // ts/js/bash/sh/json — is covered above). Touching each one drives its own
+  // dynamic import thunk, so the whole LAZY_GRAMMARS table is exercised.
+  const LAZY_ALIASES = [
+    'py', 'rb', 'go', 'rs', 'java', 'c', 'cpp', 'cs', 'kotlin', 'swift', 'php',
+    'yaml', 'toml', 'ini', 'md', 'mdx', 'html', 'css', 'scss', 'less', 'sql',
+    'xml', 'lua',
+  ]
+
+  it('lazily loads every read-card grammar: plain first, highlighted after load', async () => {
+    // First touch returns the plain fallback (undefined) and starts the import.
+    for (const alias of LAZY_ALIASES) expect(highlightToHtml('x', alias)).toBeUndefined()
+    // Once every grammar has registered, the same call highlights.
+    await vi.waitFor(() => {
+      for (const alias of LAZY_ALIASES) expect(highlightToHtml('x', alias)).toContain('shiki')
+    })
+  })
 })
 
 describe('CodeBlock', () => {
diff --git a/packages/client/ui-primitives/tests/diff-block.spec.tsx b/packages/client/ui-primitives/tests/diff-block.spec.tsx
new file mode 100644
index 0000000000..bb4a2fdac3
--- /dev/null
+++ b/packages/client/ui-primitives/tests/diff-block.spec.tsx
@@ -0,0 +1,182 @@
+// @vitest-environment jsdom
+// DiffBlock: the per-file hunk rows (path header, removed block, added block),
+// the same-file second-hunk gap separator, the `+A -R · N file(s)` footer and
+// its singular/plural, the head/tail height cap and its expand control, the
+// empty-diffs null render, and the copy control writing the prefixed diff text
+// on both the accepted and the refused clipboard paths. writeClipboard's own
+// return contract is pinned in terminal-block.spec.tsx (the shared seam), so
+// only its DOM consequence is asserted here.
+
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import { act, cleanup, fireEvent, render, screen } from '@testing-library/react'
+import { DEFAULT_DIFF_MAX_LINES, DiffBlock, type DiffHunk } from '../src/index.ts'
+
+afterEach(cleanup)
+
+beforeEach(() => {
+  vi.useRealTimers()
+})
+
+/** The rendered body rows, one string per visible line (CSS-module class prefix). */
+function bodyRows(container: HTMLElement): string[] {
+  return [...container.querySelectorAll('[class*="_line_"]')].map(row => row.textContent ?? '')
+}
+
+/** Only the changed rows (add/del), excluding the path header and gap chrome. */
+function changeRows(container: HTMLElement): string[] {
+  return [...container.querySelectorAll('[class*="_del_"], [class*="_add_"]')].map(row => row.textContent ?? '')
+}
+
+/** `count` numbered added lines as one hunk's newText. */
+function added(count: number): string {
+  return Array.from({ length: count }, (_v, i) => `line ${i + 1}`).join('\n')
+}
+
+describe('DiffBlock structure', () => {
+  it('renders a create as a path header and an added block (no removed side)', () => {
+    const diffs: DiffHunk[] = [{ path: 'notes/new.txt', oldText: null, newText: 'hello\nworld' }]
+    const { container } = render(<DiffBlock diffs={diffs} />)
+    expect(screen.getByText('notes/new.txt')).toBeTruthy()
+    // No removed rows: both change lines are added.
+    expect(changeRows(container)).toEqual(['hello', 'world'])
+    expect(container.querySelectorAll('[class*="_del_"]').length).toBe(0)
+    expect(container.querySelectorAll('[class*="_add_"]').length).toBe(2)
+  })
+
+  it('renders an edit as a removed block above an added block', () => {
+    const diffs: DiffHunk[] = [{ path: 'a.ts', oldText: 'old', newText: 'new' }]
+    const { container } = render(<DiffBlock diffs={diffs} />)
+    expect(container.querySelectorAll('[class*="_del_"]').length).toBe(1)
+    expect(container.querySelectorAll('[class*="_add_"]').length).toBe(1)
+    expect(changeRows(container)).toEqual(['old', 'new'])
+  })
+
+  it('opens a same-file second hunk with a gap instead of repeating the path', () => {
+    const diffs: DiffHunk[] = [
+      { path: 'a.ts', oldText: 'x', newText: 'y' },
+      { path: 'a.ts', oldText: 'p', newText: 'q' },
+    ]
+    const { container } = render(<DiffBlock diffs={diffs} />)
+    // One path header, one gap row.
+    expect(container.querySelectorAll('[class*="_path_"]').length).toBe(1)
+    expect(container.querySelectorAll('[class*="_gap_"]').length).toBe(1)
+  })
+
+  it('opens a new file with its own path header', () => {
+    const diffs: DiffHunk[] = [
+      { path: 'a.ts', oldText: 'x', newText: 'y' },
+      { path: 'b.ts', oldText: 'p', newText: 'q' },
+    ]
+    const { container } = render(<DiffBlock diffs={diffs} />)
+    expect(container.querySelectorAll('[class*="_path_"]').length).toBe(2)
+    expect(container.querySelectorAll('[class*="_gap_"]').length).toBe(0)
+  })
+
+  it('renders nothing for empty diffs', () => {
+    const { container } = render(<DiffBlock diffs={[]} />)
+    expect(container.firstChild).toBeNull()
+  })
+
+  it('treats a trailing newline as a terminator, not an extra blank line', () => {
+    // A create whose newText ends in a newline is one added line, not two, and
+    // the footer counts one — the phantom `+ ` empty line the naive split drew.
+    const { container } = render(<DiffBlock diffs={[{ path: 'n.txt', oldText: null, newText: 'hello\n' }]} />)
+    expect(changeRows(container)).toEqual(['hello'])
+    expect(screen.getByText('└ +1 -0 · 1 file')).toBeTruthy()
+  })
+
+  it('renders a full deletion as removed-only with no phantom added line', () => {
+    // newText '' is zero added lines: an empty string must contribute nothing.
+    const { container } = render(<DiffBlock diffs={[{ path: 'gone.ts', oldText: 'a\nb', newText: '' }]} />)
+    expect(container.querySelectorAll('[class*="_add_"]').length).toBe(0)
+    expect(screen.getByText('└ +0 -2 · 1 file')).toBeTruthy()
+  })
+
+  it('keeps a genuine interior blank line', () => {
+    const { container } = render(<DiffBlock diffs={[{ path: 'a.ts', oldText: null, newText: 'x\n\ny' }]} />)
+    expect(container.querySelectorAll('[class*="_add_"]').length).toBe(3)
+  })
+})
+
+describe('DiffBlock footer', () => {
+  it('counts added and removed lines and one file', () => {
+    const diffs: DiffHunk[] = [{ path: 'a.ts', oldText: 'a\nb', newText: 'c' }]
+    render(<DiffBlock diffs={diffs} />)
+    expect(screen.getByText('└ +1 -2 · 1 file')).toBeTruthy()
+  })
+
+  it('pluralizes the distinct-file count', () => {
+    const diffs: DiffHunk[] = [
+      { path: 'a.ts', oldText: null, newText: 'x' },
+      { path: 'b.ts', oldText: null, newText: 'y' },
+    ]
+    render(<DiffBlock diffs={diffs} />)
+    expect(screen.getByText('└ +2 -0 · 2 files')).toBeTruthy()
+  })
+})
+
+describe('DiffBlock height cap', () => {
+  it('shows head and tail with an expand control past the cap, then all lines expanded', () => {
+    // One added line over the default cap forces the collapse.
+    const diffs: DiffHunk[] = [{ path: 'a.ts', oldText: null, newText: added(DEFAULT_DIFF_MAX_LINES) }]
+    // The path header counts as a row, so a body of maxLines added lines plus
+    // the header is one over the cap.
+    const { container } = render(<DiffBlock diffs={diffs} />)
+    const toggle = screen.getByRole('button', { name: /展开其余/ })
+    expect(toggle.getAttribute('aria-expanded')).toBe('false')
+    // Collapsed shows fewer rows than the full body.
+    const collapsedCount = bodyRows(container).length
+    expect(collapsedCount).toBeLessThan(DEFAULT_DIFF_MAX_LINES + 1)
+    fireEvent.click(toggle)
+    expect(screen.getByRole('button', { name: '收起差异' }).getAttribute('aria-expanded')).toBe('true')
+    expect(bodyRows(container).length).toBeGreaterThan(collapsedCount)
+  })
+
+  it('shows no expand control at or under the cap', () => {
+    const diffs: DiffHunk[] = [{ path: 'a.ts', oldText: null, newText: added(4) }]
+    render(<DiffBlock diffs={diffs} maxLines={16} />)
+    expect(screen.queryByRole('button', { name: /展开其余|收起差异/ })).toBeNull()
+  })
+})
+
+describe('DiffBlock copy', () => {
+  it('copies the prefixed diff text and flips the label on success', async () => {
+    vi.useFakeTimers()
+    const writeText = vi.fn().mockResolvedValue(undefined)
+    Object.defineProperty(navigator, 'clipboard', { configurable: true, value: { writeText } })
+    const diffs: DiffHunk[] = [
+      { path: 'a.ts', oldText: 'old', newText: 'new' },
+      { path: 'a.ts', oldText: 'p', newText: 'q' },
+    ]
+    render(<DiffBlock diffs={diffs} />)
+    const copy = screen.getByRole('button', { name: '复制' })
+    await act(async () => { fireEvent.click(copy) })
+    // Path header, del/add prefixes, and the same-file gap all reach the clipboard.
+    expect(writeText).toHaveBeenCalledWith('a.ts\n- old\n+ new\n⋯\n- p\n+ q')
+    expect(screen.getByRole('button', { name: '复制成功' })).toBeTruthy()
+    await act(async () => { await vi.advanceTimersByTimeAsync(1000) })
+    expect(screen.getByRole('button', { name: '复制' })).toBeTruthy()
+  })
+
+  it('keeps the label on a refused clipboard write', async () => {
+    Object.defineProperty(navigator, 'clipboard', {
+      configurable: true,
+      value: { writeText: vi.fn().mockRejectedValue(new Error('denied')) },
+    })
+    render(<DiffBlock diffs={[{ path: 'a.ts', oldText: null, newText: 'x' }]} />)
+    const copy = screen.getByRole('button', { name: '复制' })
+    await act(async () => { fireEvent.click(copy) })
+    expect(screen.getByRole('button', { name: '复制' })).toBeTruthy()
+  })
+
+  it('ignores a second click while the copied label is showing', async () => {
+    vi.useFakeTimers()
+    const writeText = vi.fn().mockResolvedValue(undefined)
+    Object.defineProperty(navigator, 'clipboard', { configurable: true, value: { writeText } })
+    render(<DiffBlock diffs={[{ path: 'a.ts', oldText: null, newText: 'x' }]} />)
+    const copy = screen.getByRole('button', { name: '复制' })
+    await act(async () => { fireEvent.click(copy) })
+    await act(async () => { fireEvent.click(screen.getByRole('button', { name: '复制成功' })) })
+    expect(writeText).toHaveBeenCalledTimes(1)
+  })
+})
diff --git a/packages/client/ui-primitives/tests/hover-card.spec.tsx b/packages/client/ui-primitives/tests/hover-card.spec.tsx
index ce599c0258..d5b580045a 100644
--- a/packages/client/ui-primitives/tests/hover-card.spec.tsx
+++ b/packages/client/ui-primitives/tests/hover-card.spec.tsx
@@ -2,6 +2,7 @@
 import { act, cleanup, fireEvent, render, screen } from '@testing-library/react'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import { HoverCard } from '@deepseek-ai/dsh-client-ui-primitives'
+import { POINTER_GRACE_MS } from '../src/pointer-grace.ts'
 
 afterEach(cleanup)
 beforeEach(() => { vi.useFakeTimers() })
@@ -16,7 +17,13 @@ function stubAnchorRect(anchor: HTMLElement, rect: { top: number; right: number
   })
 }
 
-function mount(props: { openDelayMs?: number; disabled?: boolean } = {}) {
+function mount(props: {
+  openDelayMs?: number
+  disabled?: boolean
+  copyText?: string
+  copyLabel?: string
+  copiedLabel?: string
+} = {}) {
   const view = render(
     <HoverCard anchor={<span>row</span>} content={<div>card body</div>} {...props} />,
   )
@@ -25,6 +32,19 @@ function mount(props: { openDelayMs?: number; disabled?: boolean } = {}) {
   return { view, anchor, wrapper: anchor.parentElement as HTMLElement }
 }
 
+/** Install the async browser clipboard and restore its prior host shape. */
+function installClipboard(writeText: (text: string) => Promise<void>): () => void {
+  const prior = Object.getOwnPropertyDescriptor(navigator, 'clipboard')
+  Object.defineProperty(navigator, 'clipboard', {
+    configurable: true,
+    value: { writeText },
+  })
+  return () => {
+    if (prior === undefined) Reflect.deleteProperty(navigator, 'clipboard')
+    else Object.defineProperty(navigator, 'clipboard', prior)
+  }
+}
+
 describe('HoverCard', () => {
   it('opens after the dwell delay, positioned right of the anchor', () => {
     const { wrapper } = mount()
@@ -54,18 +74,47 @@ describe('HoverCard', () => {
     expect(screen.queryByText('card body')).toBeNull()
   })
 
-  it('pointerleave closes an open card immediately; re-enter restarts the dwell', () => {
+  it('pointerleave closes an open card a grace later; re-enter after that restarts the dwell', () => {
     const { wrapper } = mount()
     fireEvent.pointerEnter(wrapper)
     act(() => { vi.advanceTimersByTime(500) })
     expect(screen.getByText('card body')).toBeTruthy()
     fireEvent.pointerLeave(wrapper)
+    act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS - 1) })
+    expect(screen.getByText('card body')).toBeTruthy()
+    act(() => { vi.advanceTimersByTime(1) })
     expect(screen.queryByText('card body')).toBeNull()
     fireEvent.pointerEnter(wrapper)
     act(() => { vi.advanceTimersByTime(500) })
     expect(screen.getByText('card body')).toBeTruthy()
   })
 
+  it('reaching the card inside the grace keeps it open without restarting the dwell', () => {
+    // The portaled card is a React child of the wrapper, so the pointer
+    // arriving on it re-enters the wrapper — the gesture the 8px anchor gap
+    // used to make impossible.
+    const { wrapper } = mount()
+    fireEvent.pointerEnter(wrapper)
+    act(() => { vi.advanceTimersByTime(500) })
+    fireEvent.pointerLeave(wrapper)
+    act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS - 50) })
+    fireEvent.pointerEnter(wrapper)
+    act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS * 10) })
+    expect(screen.getByText('card body')).toBeTruthy()
+  })
+
+  it('re-entering while open does not queue a second dwell', () => {
+    const { wrapper } = mount()
+    fireEvent.pointerEnter(wrapper)
+    act(() => { vi.advanceTimersByTime(500) })
+    fireEvent.pointerEnter(wrapper)
+    fireEvent.pointerLeave(wrapper)
+    act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS) })
+    // A dwell restarted by the redundant enter would reopen the card here.
+    act(() => { vi.advanceTimersByTime(500) })
+    expect(screen.queryByText('card body')).toBeNull()
+  })
+
   it('a press inside the anchor dismisses the card without waiting for disabled', () => {
     const { wrapper } = mount()
     fireEvent.pointerEnter(wrapper)
@@ -78,6 +127,237 @@ describe('HoverCard', () => {
     expect(screen.queryByText('card body')).toBeNull()
   })
 
+  it('a press on the card starts a selection instead of dismissing it', () => {
+    // The card is a React child of the wrapper, so capture-phase presses on
+    // it reach the wrapper's dismissal handler too; they must not close it,
+    // or the first pointerdown of a text-selection drag would kill the card.
+    const { wrapper } = mount()
+    fireEvent.pointerEnter(wrapper)
+    act(() => { vi.advanceTimersByTime(500) })
+    fireEvent.pointerDown(screen.getByText('card body'))
+    // Still mounted after a grace's worth of time: no close was armed either.
+    act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS) })
+    expect(screen.getByText('card body')).toBeTruthy()
+  })
+
+  it('keeps a completed card selection instead of treating its click as copy', async () => {
+    const writeText = vi.fn(async () => {})
+    const restoreClipboard = installClipboard(writeText)
+    const selection = window.getSelection()
+    if (selection === null) throw new Error('jsdom selection API unavailable')
+    try {
+      const { wrapper } = mount({ copyText: 'card body', copyLabel: 'Copy' })
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      const card = screen.getByRole('button', { name: 'Copy: card body' })
+      const selectedText = screen.getByText('card body')
+      const cardRange = document.createRange()
+      cardRange.selectNodeContents(selectedText)
+      selection.addRange(cardRange)
+      await act(async () => { fireEvent.click(card) })
+      expect(writeText).not.toHaveBeenCalled()
+      expect(selection.toString()).toBe('card body')
+      expect(screen.getByText('card body')).toBeTruthy()
+
+      // Firefox supports multiple selection ranges: any range intersecting
+      // this card wins, not only the first.
+      selection.removeAllRanges()
+      const getSelection = vi.spyOn(window, 'getSelection').mockReturnValue({
+        isCollapsed: false,
+        rangeCount: 2,
+        getRangeAt: vi.fn((index: number) => ({
+          intersectsNode: () => index === 1,
+        })),
+      } as unknown as Selection)
+      await act(async () => { fireEvent.click(card) })
+      expect(writeText).not.toHaveBeenCalled()
+      getSelection.mockRestore()
+
+      // A non-collapsed selection elsewhere does not block this card.
+      const anchorRange = document.createRange()
+      anchorRange.selectNodeContents(screen.getByText('row'))
+      selection.addRange(anchorRange)
+      await act(async () => { fireEvent.click(card) })
+      expect(writeText).toHaveBeenCalledWith('card body')
+    } finally {
+      selection.removeAllRanges()
+      restoreClipboard()
+    }
+  })
+
+  it('a press while closed leaves the card closed', () => {
+    mount()
+    fireEvent.pointerDown(screen.getByText('row'))
+    act(() => { vi.advanceTimersByTime(1000) })
+    expect(screen.queryByText('card body')).toBeNull()
+  })
+
+  it('copies its configured value and shows success only for the feedback window', async () => {
+    const writeText = vi.fn(async () => {})
+    const restoreClipboard = installClipboard(writeText)
+    try {
+      const { wrapper } = mount({
+        copyText: '/full/path',
+        copyLabel: 'Copy path',
+        copiedLabel: 'Copied',
+      })
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      const card = screen.getByRole('button', { name: 'Copy path: /full/path' })
+      const status = screen.getByRole('status')
+      expect(status.textContent).toBe('')
+      expect(card.contains(status)).toBe(false)
+      Object.defineProperty(card, 'offsetHeight', { configurable: true, value: 96 })
+      await act(async () => { fireEvent.click(card) })
+      expect(writeText).toHaveBeenCalledWith('/full/path')
+      expect(status.textContent).toBe('Copied')
+      expect(screen.getByRole('button', { name: 'Copy path: /full/path' })).toBe(card)
+      expect(card.style.minHeight).toBe('96px')
+      // Repeated activation while feedback is visible neither rewrites nor
+      // extends the one-second success window.
+      await act(async () => { fireEvent.click(card) })
+      expect(writeText).toHaveBeenCalledOnce()
+      act(() => { vi.advanceTimersByTime(999) })
+      expect(status.textContent).toBe('Copied')
+      act(() => { vi.advanceTimersByTime(1) })
+      expect(screen.getByRole('button', { name: 'Copy path: /full/path' })).toBe(card)
+      expect(card.style.minHeight).toBe('')
+      expect(status.textContent).toBe('')
+      expect(screen.getByText('card body')).toBeTruthy()
+    } finally {
+      restoreClipboard()
+    }
+  })
+
+  it('supports button keys and ignores unrelated keys', async () => {
+    const writeText = vi.fn(async () => {})
+    const restoreClipboard = installClipboard(writeText)
+    try {
+      const { wrapper } = mount({ copyText: 'value', copiedLabel: 'Copied' })
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      const card = screen.getByRole('button')
+      fireEvent.keyDown(card, { key: 'Escape' })
+      expect(writeText).not.toHaveBeenCalled()
+      await act(async () => { fireEvent.keyDown(card, { key: 'Enter' }) })
+      expect(writeText).toHaveBeenCalledOnce()
+      act(() => { vi.advanceTimersByTime(1000) })
+      await act(async () => { fireEvent.keyDown(card, { key: ' ' }) })
+      expect(writeText).toHaveBeenCalledTimes(2)
+    } finally {
+      restoreClipboard()
+    }
+  })
+
+  it('keeps its content when the clipboard rejects the write', async () => {
+    const writeText = vi.fn(async () => { throw new Error('denied') })
+    const restoreClipboard = installClipboard(writeText)
+    try {
+      const { wrapper } = mount({ copyText: 'value', copiedLabel: 'Copied' })
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      await act(async () => { fireEvent.click(screen.getByRole('button')) })
+      expect(screen.queryByText('Copied')).toBeNull()
+      expect(screen.getByText('card body')).toBeTruthy()
+    } finally {
+      restoreClipboard()
+    }
+  })
+
+  it('unmount clears copied feedback', async () => {
+    const writeText = vi.fn(async () => {})
+    const restoreClipboard = installClipboard(writeText)
+    try {
+      const { view, wrapper } = mount({ copyText: 'value' })
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      await act(async () => { fireEvent.click(screen.getByRole('button')) })
+      expect(vi.getTimerCount()).toBe(1)
+      view.unmount()
+      expect(vi.getTimerCount()).toBe(0)
+    } finally {
+      restoreClipboard()
+    }
+  })
+
+  it('clears copied feedback when the card closes', async () => {
+    const writeText = vi.fn(async () => {})
+    const restoreClipboard = installClipboard(writeText)
+    try {
+      const { wrapper } = mount({ copyText: 'value', copiedLabel: 'Copied' })
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      await act(async () => { fireEvent.click(screen.getByRole('button')) })
+      expect(screen.getByRole('status').textContent).toBe('Copied')
+      fireEvent.pointerLeave(wrapper)
+      act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS) })
+      expect(screen.queryByText('Copied')).toBeNull()
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      expect(screen.getByText('card body')).toBeTruthy()
+    } finally {
+      restoreClipboard()
+    }
+  })
+
+  it('does not create copied feedback after an in-flight write unmounts', async () => {
+    let acceptWrite: (() => void) | undefined
+    const writeText = vi.fn(() => new Promise<void>((resolve) => { acceptWrite = resolve }))
+    const restoreClipboard = installClipboard(writeText)
+    try {
+      const { view, wrapper } = mount({ copyText: 'value' })
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      fireEvent.click(screen.getByRole('button'))
+      expect(writeText).toHaveBeenCalledOnce()
+      view.unmount()
+      await act(async () => { acceptWrite?.() })
+      expect(vi.getTimerCount()).toBe(0)
+    } finally {
+      restoreClipboard()
+    }
+  })
+
+  it('does not restore copied feedback after an in-flight card closes', async () => {
+    let acceptWrite: (() => void) | undefined
+    const writeText = vi.fn(() => new Promise<void>((resolve) => { acceptWrite = resolve }))
+    const restoreClipboard = installClipboard(writeText)
+    try {
+      const { wrapper } = mount({ copyText: 'value', copiedLabel: 'Copied' })
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      fireEvent.click(screen.getByRole('button'))
+      fireEvent.pointerLeave(wrapper)
+      act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS) })
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      await act(async () => { acceptWrite?.() })
+      expect(vi.getTimerCount()).toBe(0)
+      expect(screen.getByText('card body')).toBeTruthy()
+    } finally {
+      restoreClipboard()
+    }
+  })
+
+  it('coalesces activations while the clipboard write is in flight', async () => {
+    let acceptWrite: (() => void) | undefined
+    const writeText = vi.fn(() => new Promise<void>((resolve) => { acceptWrite = resolve }))
+    const restoreClipboard = installClipboard(writeText)
+    try {
+      const { wrapper } = mount({ copyText: 'value', copiedLabel: 'Copied' })
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      const card = screen.getByRole('button')
+      fireEvent.click(card)
+      fireEvent.click(card)
+      expect(writeText).toHaveBeenCalledOnce()
+      await act(async () => { acceptWrite?.() })
+      expect(screen.getByRole('status').textContent).toBe('Copied')
+    } finally {
+      restoreClipboard()
+    }
+  })
+
   it('disabled suppresses opening entirely', () => {
     const { wrapper } = mount({ disabled: true })
     fireEvent.pointerEnter(wrapper)
@@ -135,6 +415,7 @@ describe('HoverCard', () => {
     expect(card.style.left).toBe('308px')
     expect(card.style.top).toBe('90px')
     fireEvent.pointerLeave(wrapper)
+    act(() => { vi.advanceTimersByTime(POINTER_GRACE_MS) })
     expect(screen.queryByText('card body')).toBeNull()
   })
 
diff --git a/packages/client/ui-primitives/tests/read-block.spec.tsx b/packages/client/ui-primitives/tests/read-block.spec.tsx
new file mode 100644
index 0000000000..fab9450932
--- /dev/null
+++ b/packages/client/ui-primitives/tests/read-block.spec.tsx
@@ -0,0 +1,241 @@
+// @vitest-environment jsdom
+// ReadBlock + the highlightLines token path: the banner (label, language, the
+// "showing N of M" note only when the read is a window, copy control), the
+// gutter-numbered rows keeping the file's own line numbers, the shiki per-line
+// highlighting resolved to css-variables token spans with an identical-geometry
+// plain fallback for an unknown/absent language, the head/tail height cap and
+// its expand control, and the copy control writing the raw window text on both
+// the accepted and refused clipboard paths.
+
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import { act, cleanup, fireEvent, render, screen } from '@testing-library/react'
+import { DEFAULT_READ_MAX_LINES, ReadBlock, type ReadBlockLine } from '../src/index.ts'
+import { grammarLoadCount, highlightLines, subscribeGrammarLoaded } from '../src/markdown/highlight.ts'
+
+afterEach(cleanup)
+
+beforeEach(() => {
+  vi.useRealTimers()
+})
+
+/** `count` lines starting at `first`, each with distinct text. */
+function lines(count: number, first = 1): ReadBlockLine[] {
+  return Array.from({ length: count }, (_value, index) => ({ number: first + index, text: `line ${first + index}` }))
+}
+
+/** The rendered rows as `<gutter><content>` strings (CSS-module class prefix). */
+function rowTexts(container: HTMLElement): string[] {
+  return [...container.querySelectorAll('[class^="_line_"]')].map(row => row.textContent ?? '')
+}
+
+/** The gutter numbers of the rendered rows, in order. */
+function gutters(container: HTMLElement): string[] {
+  return [...container.querySelectorAll('[class^="_gutter_"]')].map(cell => cell.textContent ?? '')
+}
+
+describe('highlightLines', () => {
+  it('tokenizes a registered grammar into per-line css-variables runs', () => {
+    const result = highlightLines('const x = 1\n// c', 'ts')
+    expect(result).not.toBeUndefined()
+    expect(result).toHaveLength(2)
+    // The keyword run carries a color style through a --shiki-* custom property.
+    const keyword = result![0]!.find(span => span.text === 'const')
+    expect(keyword?.style?.color).toContain('var(--shiki-')
+    // Whitespace between tokens is a run of its own; the comment is line two.
+    expect(result![0]!.map(span => span.text).join('')).toBe('const x = 1')
+    expect(result![1]!.map(span => span.text).join('')).toBe('// c')
+  })
+
+  it('colors every run through a --shiki-* custom property', () => {
+    // The css-variables theme colors even the whitespace run (as the foreground
+    // token), so every run is a styled span; the plain fallback is the whole
+    // unknown-language path, not a per-run one.
+    const result = highlightLines('const x = 1', 'ts')
+    for (const span of result!) for (const run of span) expect(run.style.color).toContain('var(--shiki-')
+  })
+
+  it('drops the trailing terminator line so the run count matches the source lines', () => {
+    // `a\n` tokenizes to two lines in shiki (the second empty); the caller's own
+    // line array has one entry, so the terminator line is dropped.
+    const result = highlightLines('const a = 1\n', 'ts')
+    expect(result).toHaveLength(1)
+  })
+
+  it('keeps a genuinely blank final line when the source ends in two newlines', () => {
+    const result = highlightLines('a\n\n', 'ts')
+    expect(result).toHaveLength(2)
+    expect(result![1]).toEqual([])
+  })
+
+  it('returns undefined for an unknown or absent language', () => {
+    expect(highlightLines('x', 'cobol')).toBeUndefined()
+    expect(highlightLines('x', undefined)).toBeUndefined()
+  })
+
+  it('loads a lazy grammar on first use: plain first, highlighted after it registers', async () => {
+    // A boot grammar (ts) is ready synchronously; a lazy grammar (python) is
+    // not, so the first call renders plain and imports the grammar, and a
+    // subscriber fires once it registers, after which the same call highlights.
+    let notified = 0
+    const stop = subscribeGrammarLoaded(() => { notified += 1 })
+    // First touch: grammar not loaded yet, so plain fallback while it imports.
+    expect(highlightLines('def f(): pass', 'py')).toBeUndefined()
+    // The import + loadLanguageSync resolve on a microtask; wait for the notify.
+    await vi.waitFor(() => { expect(notified).toBeGreaterThan(0) })
+    expect(grammarLoadCount()).toBeGreaterThan(0)
+    const result = highlightLines('def f(): pass', 'py')
+    expect(result).not.toBeUndefined()
+    // `def` is a python keyword and carries a --shiki-* color once highlighted.
+    const keyword = result!.flat().find(span => span.text === 'def')
+    expect(keyword?.style?.color).toContain('var(--shiki-')
+    stop()
+  })
+})
+
+describe('ReadBlock rows', () => {
+  it('renders one gutter-numbered row per line, keeping the file line numbers', () => {
+    const view = render(<ReadBlock label="a.ts" lines={lines(3, 41)} totalLines={3} />)
+    expect(gutters(view.container)).toEqual(['41', '42', '43'])
+    expect(rowTexts(view.container)).toEqual(['41line 41', '42line 42', '43line 43'])
+  })
+
+  it('highlights the content for a known language into token spans', () => {
+    const view = render(
+      <ReadBlock label="a.ts" lang="ts" lines={[{ number: 1, text: 'const a = 1' }]} totalLines={1} />,
+    )
+    const content = view.container.querySelector('[class^="_content_"]')
+    expect(content?.querySelectorAll('span[style]').length).toBeGreaterThan(1)
+    expect(content?.textContent).toBe('const a = 1')
+  })
+
+  it('renders the content as bare text with no span wrappers for an unknown language', () => {
+    const view = render(
+      <ReadBlock label="a.cob" lang="cobol" lines={[{ number: 1, text: 'IDENT DIVISION.' }]} totalLines={1} />,
+    )
+    const content = view.container.querySelector('[class^="_content_"]')
+    expect(content?.querySelectorAll('span').length).toBe(0)
+    expect(content?.textContent).toBe('IDENT DIVISION.')
+  })
+
+  it('renders bare text when no language is given', () => {
+    const view = render(<ReadBlock label="x" lines={[{ number: 1, text: 'plain' }]} totalLines={1} />)
+    const content = view.container.querySelector('[class^="_content_"]')
+    expect(content?.querySelectorAll('span').length).toBe(0)
+    expect(view.getByText('plain')).toBeTruthy()
+  })
+})
+
+describe('ReadBlock banner', () => {
+  it('shows the label, the language, and the count note when the read is a window', () => {
+    const view = render(<ReadBlock label="src/a.ts" lang="ts" lines={lines(3, 41)} totalLines={180} />)
+    expect(view.getByText('src/a.ts')).toBeTruthy()
+    expect(view.getByText('ts')).toBeTruthy()
+    expect(view.getByText('显示 3 / 180 行')).toBeTruthy()
+  })
+
+  it('omits the count note when the window is the whole file', () => {
+    const view = render(<ReadBlock label="a.ts" lines={lines(3)} totalLines={3} />)
+    expect(view.queryByText(/显示/u)).toBeNull()
+  })
+
+  it('draws an empty label and empty language when neither is given', () => {
+    const view = render(<ReadBlock lines={lines(1)} totalLines={1} />)
+    expect(view.container.querySelector('[class^="_label_"]')?.textContent).toBe('')
+    expect(view.container.querySelector('[class^="_lang_"]')?.textContent).toBe('')
+  })
+})
+
+describe('ReadBlock height cap', () => {
+  it('renders every line and no expand control under the cap', () => {
+    const view = render(<ReadBlock label="a" lines={lines(4)} totalLines={4} maxLines={4} />)
+    expect(rowTexts(view.container)).toHaveLength(4)
+    expect(view.container.querySelector('[aria-expanded]')).toBeNull()
+  })
+
+  it('slices head and tail over the cap and expands on click', () => {
+    const view = render(<ReadBlock label="a" lines={lines(10)} totalLines={10} maxLines={4} />)
+    // maxLines 4: head = ceil(4/2) = 2, tail = 4 - 2 = 2, 6 hidden.
+    expect(gutters(view.container)).toEqual(['1', '2', '9', '10'])
+    const toggle = view.getByRole('button', { name: '展开其余 6 行' })
+    expect(toggle.getAttribute('aria-expanded')).toBe('false')
+    expect(toggle.textContent).toBe('… 其余 6 行')
+
+    fireEvent.click(toggle)
+    expect(rowTexts(view.container)).toHaveLength(10)
+    const collapse = view.getByRole('button', { name: '收起内容' })
+    expect(collapse.getAttribute('aria-expanded')).toBe('true')
+    expect(collapse.textContent).toBe('收起')
+
+    fireEvent.click(collapse)
+    expect(gutters(view.container)).toEqual(['1', '2', '9', '10'])
+  })
+
+  it('renders the head slice alone when the cap leaves no tail', () => {
+    const view = render(<ReadBlock label="a" lines={lines(5)} totalLines={5} maxLines={1} />)
+    expect(gutters(view.container)).toEqual(['1'])
+    expect(view.getByRole('button', { name: '展开其余 4 行' })).toBeTruthy()
+  })
+
+  it('caps at the documented default when maxLines is absent', () => {
+    const view = render(
+      <ReadBlock label="a" lines={lines(DEFAULT_READ_MAX_LINES + 1)} totalLines={DEFAULT_READ_MAX_LINES + 1} />,
+    )
+    expect(rowTexts(view.container)).toHaveLength(DEFAULT_READ_MAX_LINES)
+    expect(view.getByRole('button', { name: '展开其余 1 行' })).toBeTruthy()
+  })
+})
+
+describe('ReadBlock copy', () => {
+  it('copies the raw window text, joined by newlines, never the gutter numbers', async () => {
+    vi.useFakeTimers()
+    const writeText = vi.fn().mockResolvedValue(undefined)
+    Object.defineProperty(navigator, 'clipboard', { configurable: true, value: { writeText } })
+    render(<ReadBlock label="a" lines={lines(3, 41)} totalLines={180} />)
+    fireEvent.click(screen.getByRole('button', { name: '复制' }))
+    expect(writeText).toHaveBeenCalledWith('line 41\nline 42\nline 43')
+    await act(async () => {
+      await Promise.resolve()
+    })
+    expect(screen.getByRole('button', { name: '复制成功' })).toBeTruthy()
+    // While the ok label is showing, further clicks are no-ops.
+    fireEvent.click(screen.getByRole('button', { name: '复制成功' }))
+    expect(writeText).toHaveBeenCalledTimes(1)
+    await vi.advanceTimersByTimeAsync(1000)
+    expect(screen.getByRole('button', { name: '复制' })).toBeTruthy()
+  })
+
+  it('copies the whole window while the height cap hides its middle', async () => {
+    const writeText = vi.fn().mockResolvedValue(undefined)
+    Object.defineProperty(navigator, 'clipboard', { configurable: true, value: { writeText } })
+    render(<ReadBlock label="a" lines={lines(10)} totalLines={10} maxLines={4} />)
+    fireEvent.click(screen.getByRole('button', { name: '复制' }))
+    expect(writeText).toHaveBeenCalledWith(lines(10).map(line => line.text).join('\n'))
+    expect(await screen.findByRole('button', { name: '复制成功' })).toBeTruthy()
+  })
+
+  it('does not claim success when the host refuses the write', async () => {
+    Object.defineProperty(navigator, 'clipboard', {
+      configurable: true,
+      value: { writeText: vi.fn().mockRejectedValue(new Error('denied')) },
+    })
+    render(<ReadBlock label="a" lines={lines(1)} totalLines={1} />)
+    fireEvent.click(screen.getByRole('button', { name: '复制' }))
+    await act(async () => {
+      await Promise.resolve()
+    })
+    expect(screen.getByRole('button', { name: '复制' })).toBeTruthy()
+    expect(screen.queryByRole('button', { name: '复制成功' })).toBeNull()
+  })
+
+  it('merges className onto the wrapper', () => {
+    const view = render(<ReadBlock className="x" label="a" lines={lines(1)} totalLines={1} />)
+    expect(view.container.firstElementChild?.classList.contains('x')).toBe(true)
+  })
+
+  it('hides the copy control for an empty window so it cannot wipe the clipboard', () => {
+    // A successful read of an empty file settles to lines: [] with card:'read',
+    // so this branch is reachable; copying then would clear the clipboard.
+    const view = render(<ReadBlock label="empty.ts" lines={[]} totalLines={0} />)
+    expect(view.queryByRole('button', { name: '复制' })).toBeNull()
+  })
+})
diff --git a/packages/client/ui-primitives/tests/search-block.spec.tsx b/packages/client/ui-primitives/tests/search-block.spec.tsx
new file mode 100644
index 0000000000..29cf87fb91
--- /dev/null
+++ b/packages/client/ui-primitives/tests/search-block.spec.tsx
@@ -0,0 +1,214 @@
+// @vitest-environment jsdom
+// SearchBlock: both kinds (grouped grep matches and a flat glob path list), the
+// folded truncation summary, the empty arm, per-file collapse/expand, the
+// head/tail height cap and its expand control, the tail slice restoring its
+// owning file header, and the copy control writing the whole structured
+// result on both the accepted and refused clipboard paths.
+
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import { act, cleanup, fireEvent, render, screen } from '@testing-library/react'
+import { DEFAULT_SEARCH_MAX_LINES, SearchBlock } from '../src/index.ts'
+import type { SearchFileGroup } from '../src/index.ts'
+
+afterEach(cleanup)
+
+beforeEach(() => {
+  vi.useRealTimers()
+})
+
+/** The rendered result rows, one string per visible row (CSS-module class prefix). */
+function lines(container: HTMLElement): string[] {
+  return [...container.querySelectorAll('[class^="_line_"]')].map(row => row.textContent ?? '')
+}
+
+/** The file-group header rows, one string per header (path + count concatenated). */
+function fileHeaders(container: HTMLElement): string[] {
+  return [...container.querySelectorAll('[class^="_fileHeader_"]')].map(row => row.textContent ?? '')
+}
+
+/** `count` numbered match lines under one file, without a terminating newline. */
+function group(path: string, count: number, from = 1): SearchFileGroup {
+  return {
+    path,
+    matches: Array.from({ length: count }, (_v, i) => ({ lineNumber: from + i, line: `hit ${from + i}` })),
+  }
+}
+
+describe('SearchBlock matches kind', () => {
+  it('renders each file as a header group with its matched lines', () => {
+    const view = render(<SearchBlock kind="matches" truncated={false} total={3} files={[
+      { path: 'a.ts', matches: [{ lineNumber: 12, line: 'const a = 1' }, { lineNumber: 40, line: 'return a' }] },
+      { path: 'b.ts', matches: [{ lineNumber: 7, line: 'const b = 2' }] },
+    ]} />)
+    expect(fileHeaders(view.container)).toEqual(['a.ts2', 'b.ts1'])
+    expect(lines(view.container)).toEqual(['12: const a = 1', '40: return a', '7: const b = 2'])
+    // The summary counts matches and files, with no folded pre-cap total below the cap.
+    expect(view.getByText('3 处匹配 · 2 个文件')).toBeTruthy()
+    expect(view.queryByText(/显示|共/u)).toBeNull()
+  })
+
+  it('collapses and re-expands a single file group without touching the others', () => {
+    const view = render(<SearchBlock kind="matches" truncated={false} total={3} files={[
+      { path: 'a.ts', matches: [{ lineNumber: 1, line: 'x' }] },
+      { path: 'b.ts', matches: [{ lineNumber: 2, line: 'y' }] },
+    ]} />)
+    const [headerA] = view.container.querySelectorAll('[class^="_fileHeader_"]')
+    expect(headerA!.getAttribute('aria-expanded')).toBe('true')
+    fireEvent.click(headerA!)
+    // a.ts collapsed: its match row is gone, b.ts's stays.
+    expect(headerA!.getAttribute('aria-expanded')).toBe('false')
+    expect(lines(view.container)).toEqual(['2: y'])
+    fireEvent.click(headerA!)
+    expect(lines(view.container)).toEqual(['1: x', '2: y'])
+  })
+
+  it('folds the pre-cap total into the summary when truncated', () => {
+    const view = render(<SearchBlock kind="matches" truncated total={99} files={[group('a.ts', 2)]} />)
+    expect(view.getByText('显示 2 / 共 99 处匹配 · 1 个文件')).toBeTruthy()
+  })
+})
+
+describe('SearchBlock paths kind', () => {
+  it('renders a flat path list with a path-count summary', () => {
+    const view = render(<SearchBlock kind="paths" truncated={false} total={2} paths={['src/a.ts', 'src/b.ts']} />)
+    expect(lines(view.container)).toEqual(['src/a.ts', 'src/b.ts'])
+    expect(view.getByText('2 个路径')).toBeTruthy()
+    // No file-group headers in the paths shape.
+    expect(fileHeaders(view.container)).toEqual([])
+  })
+
+  it('folds the pre-cap total into the paths summary when truncated', () => {
+    const view = render(<SearchBlock kind="paths" truncated total={50} paths={['a', 'b']} />)
+    expect(view.getByText('显示 2 / 共 50 个路径')).toBeTruthy()
+  })
+})
+
+describe('SearchBlock empty arm', () => {
+  it('shows the placeholder and no copy control for an empty matches result', () => {
+    const view = render(<SearchBlock kind="matches" truncated={false} total={0} files={[]} />)
+    expect(view.getByText('无结果')).toBeTruthy()
+    expect(view.queryByText('复制')).toBeNull()
+    expect(view.getByText('0 处匹配 · 0 个文件')).toBeTruthy()
+  })
+
+  it('shows the placeholder for an empty paths result', () => {
+    const view = render(<SearchBlock kind="paths" truncated={false} total={0} paths={[]} />)
+    expect(view.getByText('无结果')).toBeTruthy()
+    expect(view.queryByText('复制')).toBeNull()
+  })
+})
+
+describe('SearchBlock height cap', () => {
+  it('renders every row and no expand control under the cap', () => {
+    const view = render(<SearchBlock kind="paths" truncated={false} total={4}
+      paths={['a', 'b', 'c', 'd']} maxLines={4} />)
+    expect(lines(view.container)).toHaveLength(4)
+    expect(view.container.querySelector('[aria-label^="展开"]')).toBeNull()
+  })
+
+  it('slices head and tail over the cap and expands on click', () => {
+    const paths = Array.from({ length: 10 }, (_v, i) => `p${i + 1}`)
+    const view = render(<SearchBlock kind="paths" truncated={false} total={10} paths={paths} maxLines={4} />)
+    // maxLines 4: head = ceil(4/2) = 2, tail = 2, 6 hidden.
+    expect(lines(view.container)).toEqual(['p1', 'p2', 'p9', 'p10'])
+    const toggle = view.getByRole('button', { name: '展开其余 6 行结果' })
+    expect(toggle.textContent).toBe('… 其余 6 行')
+    fireEvent.click(toggle)
+    expect(lines(view.container)).toHaveLength(10)
+    const collapse = view.getByRole('button', { name: '收起结果' })
+    expect(collapse.textContent).toBe('收起')
+    fireEvent.click(collapse)
+    expect(lines(view.container)).toEqual(['p1', 'p2', 'p9', 'p10'])
+  })
+
+  it('counts a file header as one capped row alongside its matches', () => {
+    // One file with 10 matches → 11 rows (header + 10). Cap 4: head 2, tail 2.
+    const view = render(<SearchBlock kind="matches" truncated={false} total={10}
+      files={[group('a.ts', 10)]} maxLines={4} />)
+    // Head takes the header then the first match; tail takes the last two matches.
+    expect(lines(view.container)).toEqual(['1: hit 1', '9: hit 9', '10: hit 10'])
+    expect(fileHeaders(view.container)).toEqual(['a.ts10'])
+    expect(view.getByRole('button', { name: '展开其余 7 行结果' })).toBeTruthy()
+  })
+
+  it('renders the head slice alone when the cap leaves no tail', () => {
+    const view = render(<SearchBlock kind="paths" truncated={false} total={5}
+      paths={['a', 'b', 'c', 'd', 'e']} maxLines={1} />)
+    expect(lines(view.container)).toEqual(['a'])
+    expect(view.getByRole('button', { name: '展开其余 4 行结果' })).toBeTruthy()
+  })
+
+  it('restores the owning file header above a tail slice that begins mid-file', () => {
+    // Two files of 10 matches each → 22 rows. Cap 8: head 4 (a.ts header + 3
+    // matches), tail 4. The tail begins mid-b.ts, so its header is restored —
+    // and, being a row itself, it consumes one tail slot rather than pushing the
+    // card to 9 rows: the tail keeps its last 3 matches, total visible = 8.
+    const view = render(<SearchBlock kind="matches" truncated={false} total={20} maxLines={8} files={[
+      group('a.ts', 10), group('b.ts', 10, 11),
+    ]} />)
+    expect(fileHeaders(view.container)).toEqual(['a.ts10', 'b.ts10'])
+    expect(lines(view.container)).toEqual([
+      '1: hit 1', '2: hit 2', '3: hit 3',
+      '18: hit 18', '19: hit 19', '20: hit 20',
+    ])
+    // Visible rows hold at maxLines (2 headers + 6 matches = 8), so the hidden
+    // count stays exact: 22 − 8 = 14.
+    expect(view.getByRole('button', { name: '展开其余 14 行结果' })).toBeTruthy()
+  })
+
+  it('caps at the documented default when maxLines is absent', () => {
+    const paths = Array.from({ length: DEFAULT_SEARCH_MAX_LINES + 1 }, (_v, i) => `p${i}`)
+    const view = render(<SearchBlock kind="paths" truncated={false} total={paths.length} paths={paths} />)
+    expect(lines(view.container)).toHaveLength(DEFAULT_SEARCH_MAX_LINES)
+    expect(view.getByRole('button', { name: '展开其余 1 行结果' })).toBeTruthy()
+  })
+})
+
+describe('SearchBlock copy', () => {
+  it('copies the whole structured matches result, not the collapsed or capped view', async () => {
+    vi.useFakeTimers()
+    const writeText = vi.fn().mockResolvedValue(undefined)
+    Object.defineProperty(navigator, 'clipboard', { configurable: true, value: { writeText } })
+    const view = render(<SearchBlock kind="matches" truncated total={9} maxLines={2} files={[
+      { path: 'a.ts', matches: [{ lineNumber: 1, line: 'x' }, { lineNumber: 2, line: 'y' }] },
+      { path: 'b.ts', matches: [{ lineNumber: 3, line: 'z' }] },
+    ]} />)
+    // Collapse a group and leave the cap in place: the clipboard still gets it all.
+    fireEvent.click(view.container.querySelector('[class^="_fileHeader_"]')!)
+    fireEvent.click(screen.getByRole('button', { name: '复制' }))
+    expect(writeText).toHaveBeenCalledWith('a.ts\n1: x\n2: y\n\nb.ts\n3: z')
+    await act(async () => { await Promise.resolve() })
+    expect(screen.getByRole('button', { name: '复制成功' })).toBeTruthy()
+    // A second click while the ok label shows is a no-op.
+    fireEvent.click(screen.getByRole('button', { name: '复制成功' }))
+    expect(writeText).toHaveBeenCalledTimes(1)
+    await vi.advanceTimersByTimeAsync(1000)
+    expect(screen.getByRole('button', { name: '复制' })).toBeTruthy()
+  })
+
+  it('copies the newline-joined path list for the paths shape', async () => {
+    const writeText = vi.fn().mockResolvedValue(undefined)
+    Object.defineProperty(navigator, 'clipboard', { configurable: true, value: { writeText } })
+    render(<SearchBlock kind="paths" truncated={false} total={2} paths={['src/a.ts', 'src/b.ts']} />)
+    fireEvent.click(screen.getByRole('button', { name: '复制' }))
+    expect(writeText).toHaveBeenCalledWith('src/a.ts\nsrc/b.ts')
+    expect(await screen.findByRole('button', { name: '复制成功' })).toBeTruthy()
+  })
+
+  it('does not claim success when the host refuses the write', async () => {
+    Object.defineProperty(navigator, 'clipboard', {
+      configurable: true, value: { writeText: vi.fn().mockRejectedValue(new Error('denied')) },
+    })
+    render(<SearchBlock kind="paths" truncated={false} total={1} paths={['a']} />)
+    fireEvent.click(screen.getByRole('button', { name: '复制' }))
+    await act(async () => { await Promise.resolve() })
+    expect(screen.getByRole('button', { name: '复制' })).toBeTruthy()
+    expect(screen.queryByRole('button', { name: '复制成功' })).toBeNull()
+  })
+
+  it('merges className onto the wrapper and tags the wrapper with the kind', () => {
+    const view = render(<SearchBlock kind="paths" truncated={false} total={0} paths={[]} className="x" />)
+    expect(view.container.firstElementChild?.classList.contains('x')).toBe(true)
+    expect(view.container.firstElementChild?.getAttribute('data-search')).toBe('paths')
+  })
+})
diff --git a/packages/client/ui-primitives/tests/web-block.spec.tsx b/packages/client/ui-primitives/tests/web-block.spec.tsx
new file mode 100644
index 0000000000..d681ce753b
--- /dev/null
+++ b/packages/client/ui-primitives/tests/web-block.spec.tsx
@@ -0,0 +1,211 @@
+// @vitest-environment jsdom
+// WebBlock: both kinds of the web card. The search card's answer, its citation
+// list with the title-or-hostname label fallback and optional snippet/date, the
+// source-list height cap and its expand control, and the truncated indicator;
+// the fetch card's linked URL, status, and truncation. Safe-link attributes on
+// both kinds: an http(s) URL becomes an external anchor (target/rel), any other
+// URL renders as plain text with no href.
+
+import { afterEach, describe, expect, it } from 'vitest'
+import { cleanup, fireEvent, render } from '@testing-library/react'
+import { DEFAULT_WEB_MAX_SOURCES, WebBlock } from '../src/index.ts'
+import type { WebSourceView } from '../src/index.ts'
+
+afterEach(cleanup)
+
+/** `count` sources with sequential hostnames, so the cap slices read distinctly. */
+function sources(count: number): WebSourceView[] {
+  return Array.from({ length: count }, (_value, index) => ({
+    url: `https://site-${index}.example.com/page`,
+    title: `Source ${index}`,
+  }))
+}
+
+describe('WebBlock search card', () => {
+  it('renders the answer above the citation list', () => {
+    const view = render(<WebBlock kind="search" answer="**Answer** text" sources={sources(2)} truncated={false} />)
+    expect(view.getByText('Answer')).toBeTruthy()
+    expect(view.getByText('Source 0')).toBeTruthy()
+    expect(view.getByText('Source 1')).toBeTruthy()
+  })
+
+  it('omits the answer block when there is no answer', () => {
+    const view = render(<WebBlock kind="search" sources={sources(1)} truncated={false} />)
+    expect(view.container.querySelector('[class^="_answer_"]')).toBeNull()
+    const empty = render(<WebBlock kind="search" answer="" sources={sources(1)} truncated={false} />)
+    expect(empty.container.querySelector('[class^="_answer_"]')).toBeNull()
+  })
+
+  it('shows the empty-state note when a search returns no answer and no sources', () => {
+    const view = render(<WebBlock kind="search" sources={[]} truncated={false} />)
+    expect(view.getByText('未找到结果')).toBeTruthy()
+    // The empty note replaces the source list, not an empty <ol>.
+    expect(view.container.querySelector('ol')).toBeNull()
+  })
+
+  it('shows the source list, not the empty note, when a source is present', () => {
+    const view = render(<WebBlock kind="search" sources={sources(1)} truncated={false} />)
+    expect(view.container.querySelector('ol')).toBeTruthy()
+    expect(view.queryByText('未找到结果')).toBeNull()
+  })
+
+  it('shows the source list when an empty source list still carries an answer', () => {
+    const view = render(<WebBlock kind="search" answer="Just an answer" sources={[]} truncated={false} />)
+    expect(view.getByText('Just an answer')).toBeTruthy()
+    expect(view.queryByText('未找到结果')).toBeNull()
+  })
+
+  it('labels a source by its title, and by hostname when the title is absent', () => {
+    const view = render(<WebBlock kind="search" truncated={false} sources={[
+      { url: 'https://example.com/a', title: 'Titled' },
+      { url: 'https://plain.example.org/b' },
+      { url: 'https://empty.example.net/c', title: '' },
+    ]} />)
+    expect(view.getByText('Titled')).toBeTruthy()
+    // No title / empty title: the hostname labels the link.
+    expect(view.getByText('plain.example.org')).toBeTruthy()
+    expect(view.getByText('empty.example.net')).toBeTruthy()
+  })
+
+  it('labels a source by the raw url when it parses to an empty hostname', () => {
+    // file:/data:/javascript: URLs parse but have no hostname; the label must
+    // fall back to the raw URL so it is never blank (and the link stays plain
+    // text since the protocol is not http(s)).
+    const view = render(<WebBlock kind="search" truncated={false} sources={[
+      { url: 'file:///etc/passwd' },
+    ]} />)
+    expect(view.getByText('file:///etc/passwd')).toBeTruthy()
+  })
+
+  it('renders a source as a safe external anchor for an http(s) url', () => {
+    const view = render(<WebBlock kind="search" truncated={false} sources={[
+      { url: 'https://example.com/a', title: 'Titled' },
+    ]} />)
+    const anchor = view.getByText('Titled') as HTMLAnchorElement
+    expect(anchor.tagName).toBe('A')
+    expect(anchor.getAttribute('href')).toBe('https://example.com/a')
+    expect(anchor.getAttribute('target')).toBe('_blank')
+    expect(anchor.getAttribute('rel')).toBe('noopener noreferrer')
+  })
+
+  it('renders a non-http url as plain text with no href, and its raw text label when unparseable', () => {
+    const view = render(<WebBlock kind="search" truncated={false} sources={[
+      { url: 'javascript:alert(1)', title: 'Dangerous' },
+      { url: 'not a url' },
+    ]} />)
+    const unsafe = view.getByText('Dangerous')
+    expect(unsafe.tagName).toBe('SPAN')
+    expect(unsafe.getAttribute('href')).toBeNull()
+    // An unparseable url is not a link and cannot yield a hostname, so its raw
+    // text is the label.
+    const raw = view.getByText('not a url')
+    expect(raw.tagName).toBe('SPAN')
+  })
+
+  it('shows a source snippet and publication date when present, and omits them when absent or empty', () => {
+    const view = render(<WebBlock kind="search" truncated={false} sources={[
+      { url: 'https://a.example.com', title: 'A', snippet: 'excerpt', publishedAt: '2026-07-01' },
+      { url: 'https://b.example.com', title: 'B', snippet: '', publishedAt: '' },
+      { url: 'https://c.example.com', title: 'C' },
+    ]} />)
+    expect(view.getByText('excerpt')).toBeTruthy()
+    expect(view.getByText('2026-07-01')).toBeTruthy()
+    // The empty-string and absent arms both draw nothing beyond the link.
+    expect(view.container.querySelectorAll('[class^="_snippet_"]')).toHaveLength(1)
+    expect(view.container.querySelectorAll('[class^="_published_"]')).toHaveLength(1)
+  })
+
+  it('shows the truncated indicator only when the list was capped by the tool', () => {
+    const on = render(<WebBlock kind="search" sources={sources(1)} truncated />)
+    expect(on.getByText('来源列表已截断')).toBeTruthy()
+    cleanup()
+    const off = render(<WebBlock kind="search" sources={sources(1)} truncated={false} />)
+    expect(off.queryByText('来源列表已截断')).toBeNull()
+  })
+
+  it('renders every source and no expand control under the cap', () => {
+    const view = render(<WebBlock kind="search" sources={sources(4)} truncated={false} maxSources={4} />)
+    expect(view.container.querySelectorAll('[class^="_source_"]')).toHaveLength(4)
+    expect(view.container.querySelector('[aria-expanded]')).toBeNull()
+  })
+
+  it('slices head and tail over the cap and expands on click', () => {
+    const view = render(<WebBlock kind="search" sources={sources(10)} truncated={false} maxSources={4} />)
+    // maxSources 4: head = ceil(4/2) = 2, tail = 4 - 2 = 2, 6 hidden.
+    expect([...view.container.querySelectorAll('[class^="_sourceLink_"]')].map(n => n.textContent))
+      .toEqual(['Source 0', 'Source 1', 'Source 8', 'Source 9'])
+    const toggle = view.getByRole('button', { name: '展开其余 6 条来源' })
+    expect(toggle.getAttribute('aria-expanded')).toBe('false')
+    expect(toggle.textContent).toBe('… 其余 6 条来源')
+
+    fireEvent.click(toggle)
+    expect(view.container.querySelectorAll('[class^="_source_"]')).toHaveLength(10)
+    const collapse = view.getByRole('button', { name: '收起来源' })
+    expect(collapse.getAttribute('aria-expanded')).toBe('true')
+    expect(collapse.textContent).toBe('收起')
+
+    fireEvent.click(collapse)
+    expect(view.container.querySelectorAll('[class^="_source_"]')).toHaveLength(4)
+  })
+
+  it('numbers a collapsed tail by each source original position, not its visible slot', () => {
+    // maxSources 4 over 10 sources: the tail is sources 8 and 9, which must read
+    // as citations 9 and 10 (via <li value>), not renumbered 3 and 4.
+    const view = render(<WebBlock kind="search" sources={sources(10)} truncated={false} maxSources={4} />)
+    const items = [...view.container.querySelectorAll('li[class^="_source_"]')]
+    expect(items.map(li => li.getAttribute('value'))).toEqual(['1', '2', '9', '10'])
+  })
+
+  it('keeps the expander out of the ordered-list numbering', () => {
+    // The expander is a marker-less <li>, so it is valid inside <ol> and does not
+    // consume a citation number between the head and tail sources.
+    const view = render(<WebBlock kind="search" sources={sources(10)} truncated={false} maxSources={4} />)
+    const ol = view.container.querySelector('ol')!
+    // Every direct child is an <li> (no bare <button> child — invalid HTML).
+    expect([...ol.children].every(child => child.tagName === 'LI')).toBe(true)
+  })
+
+  it('renders the head slice alone when the cap leaves no tail', () => {
+    const view = render(<WebBlock kind="search" sources={sources(5)} truncated={false} maxSources={1} />)
+    expect([...view.container.querySelectorAll('[class^="_sourceLink_"]')].map(n => n.textContent)).toEqual(['Source 0'])
+    expect(view.getByRole('button', { name: '展开其余 4 条来源' })).toBeTruthy()
+  })
+
+  it('caps at the documented default when maxSources is absent', () => {
+    const view = render(<WebBlock kind="search" sources={sources(DEFAULT_WEB_MAX_SOURCES + 1)} truncated={false} />)
+    expect(view.container.querySelectorAll('[class^="_source_"]')).toHaveLength(DEFAULT_WEB_MAX_SOURCES)
+    expect(view.getByRole('button', { name: '展开其余 1 条来源' })).toBeTruthy()
+  })
+})
+
+describe('WebBlock fetch card', () => {
+  it('renders the fetched url as a safe external anchor and its HTTP status', () => {
+    const view = render(<WebBlock kind="fetch" url="https://example.com/page" statusCode={200} truncated={false} />)
+    const anchor = view.getByText('https://example.com/page') as HTMLAnchorElement
+    expect(anchor.tagName).toBe('A')
+    expect(anchor.getAttribute('href')).toBe('https://example.com/page')
+    expect(anchor.getAttribute('target')).toBe('_blank')
+    expect(anchor.getAttribute('rel')).toBe('noopener noreferrer')
+    expect(view.getByText('HTTP 200')).toBeTruthy()
+  })
+
+  it('renders a non-http fetch url as plain text with no href', () => {
+    const view = render(<WebBlock kind="fetch" url="file:///etc/passwd" statusCode={200} truncated={false} />)
+    const label = view.getByText('file:///etc/passwd')
+    expect(label.tagName).toBe('SPAN')
+    expect(label.getAttribute('href')).toBeNull()
+  })
+
+  it('shows the truncated indicator only when the content was cut', () => {
+    const on = render(<WebBlock kind="fetch" url="https://example.com" statusCode={200} truncated />)
+    expect(on.getByText('内容已截断')).toBeTruthy()
+    cleanup()
+    const off = render(<WebBlock kind="fetch" url="https://example.com" statusCode={200} truncated={false} />)
+    expect(off.queryByText('内容已截断')).toBeNull()
+  })
+
+  it('carries a non-200 status verbatim', () => {
+    const view = render(<WebBlock kind="fetch" url="https://example.com/missing" statusCode={404} truncated={false} />)
+    expect(view.getByText('HTTP 404')).toBeTruthy()
+  })
+})
diff --git a/packages/client/ui-question/src/client/QuestionComposer.module.css b/packages/client/ui-question/src/client/QuestionComposer.module.css
index 7b5cc1d1d8..c96aefa0ef 100644
--- a/packages/client/ui-question/src/client/QuestionComposer.module.css
+++ b/packages/client/ui-question/src/client/QuestionComposer.module.css
@@ -139,7 +139,11 @@
 
 .option {
   display: flex;
-  align-items: center;
+  /* flex-start, not center: with a wrapped description the indicator must
+     stay on the FIRST line (centering drifts it down the taller copy block).
+     The 8px padding makes a single-line row 40px exactly, so nothing reads
+     as top-heavy; .number/.checkbox re-center against the first line box. */
+  align-items: flex-start;
   gap: 8px;
   width: 100%;
   min-height: 40px;
@@ -148,7 +152,7 @@
      intrinsic height, and centered content then paints outside the row box —
      over the title and the next row. Overflow belongs to .options. */
   flex-shrink: 0;
-  padding: 6px 12px 6px 8px;
+  padding: 8px 12px 8px 8px;
   border: 1px solid transparent;
   border-radius: 12px;
   background: transparent;
@@ -180,6 +184,9 @@
   flex: 0 0 20px;
   width: 20px;
   height: 20px;
+  /* (24px first-line box − 20px indicator) / 2: centers the indicator against
+     the first text line under the row's flex-start alignment. */
+  margin-top: 2px;
   border-radius: 6px;
   background: var(--dsw-alias-bg-overlay);
   color: var(--dsw-alias-label-secondary);
@@ -197,6 +204,8 @@
   flex: 0 0 20px;
   width: 20px;
   height: 20px;
+  /* Same first-line centering as .number under flex-start alignment. */
+  margin-top: 2px;
 }
 
 .checkbox::before {
@@ -263,14 +272,16 @@
    inline text input; focus or a typed draft lifts it to the selected look. */
 .customRow {
   display: flex;
-  align-items: center;
+  /* Same first-line alignment as .option — the indicator seat carries the
+     2px re-centering margin. */
+  align-items: flex-start;
   gap: 8px;
   width: 100%;
   min-height: 40px;
   /* Same reason as .option: the custom row is scroll content, and shrinking
      it pushes the inline input past the footer. */
   flex-shrink: 0;
-  padding: 6px 12px 6px 8px;
+  padding: 8px 12px 8px 8px;
   border: 1px solid transparent;
   border-radius: 12px;
   transition: background-color 120ms ease, border-color 120ms ease;
@@ -378,9 +389,7 @@
 
   .option,
   .customRow {
-    align-items: flex-start;
-    gap: 8px;
-    padding: 6px;
+    padding: 8px 6px;
   }
 
   .footer {
diff --git a/packages/client/ui-settings-general/README.i18n.yaml b/packages/client/ui-settings-general/README.i18n.yaml
index 9377fc73b8..e96dc8c9d2 100644
--- a/packages/client/ui-settings-general/README.i18n.yaml
+++ b/packages/client/ui-settings-general/README.i18n.yaml
@@ -1,6 +1,6 @@
 # Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
-#   pnpm run verify-translation-pairing --write
-README.md: c392d745021c0fc6a752cf71dd0506a435106c50
-README.zh.md: 83ab81e01eae435a74b50fa363a4de203c483002
+#   pnpm run verify-translation-pairing --write packages/client/ui-settings-general/README.md
+README.md: 4dbd339c93171b330895ab66366e76fd06013704
+README.zh.md: 8ad6de99ce78d3bdb1e7b35e872e5bfe6790e758
diff --git a/packages/client/ui-settings-general/README.md b/packages/client/ui-settings-general/README.md
index c392d74502..4dbd339c93 100644
--- a/packages/client/ui-settings-general/README.md
+++ b/packages/client/ui-settings-general/README.md
@@ -2,7 +2,9 @@
 
 English | [中文](README.zh.md)
 
-Settings ownerless-copy plugin: registers everything on the Settings surface that belongs to no single feature — the shell's trigger/header/close chrome content, the General section (Permission/Tool Call skeleton rows + the `settings.general.item` slot declaration), and the `settings` dictionaries. Feature-owned rows (Language, Appearance) and sections (Models) stay with their feature packages.
+Settings ownerless-copy and product-onboarding plugin: registers everything on the Settings surface that belongs to no single feature — the shell's trigger/header/close chrome content, the General section and its `settings.general.item` slot, the `settings` dictionaries, and the first ordered welcome step. Feature-owned rows (Permission, Language, Appearance), sections (Models), and conditional onboarding steps stay with their feature packages.
+
+`src/onboarding-copy.ts` is the single editable owner of the complete notice plus `WELCOME_NOTICE_VERSION`; both supported GUI locales intentionally render the same Chinese copy. The Host half registers `ui-onboarding` in the user-settings seam; the browser compares `welcomeNoticeVersion` for exact equality and writes the current value only after Continue succeeds. The path mutation is idempotent across tabs and preserves sibling settings, while `host/settings-changed` makes an externally acknowledged notice advance without a reload. A different version deliberately presents the notice again. The welcome page preserves every authored paragraph, gives the requested clause in the final paragraph the sole emphasis, initially focuses the title, and has no close, Escape, mask-click, or secondary path. None of its copy or acknowledgement enters a Session log or model request. The notice identifies `DSH_TELEMETRY_DISABLED=1` as the telemetry opt-out.
 
 ## Model Experience
 
@@ -14,4 +16,4 @@ None; this package neither assembles nor sends a provider request.
 
 ## Known Limitations and Deferred Work
 
-- **Permission and Tool Call are display skeletons** — the backing host services and RPC methods do not exist yet; the controls are disabled and write nothing. When they gain real backing, each moves to its owning feature plugin per the self-registration doctrine.
+- The General section has no built-in rows; each row appears only when its owning feature plugin is mounted.
diff --git a/packages/client/ui-settings-general/README.zh.md b/packages/client/ui-settings-general/README.zh.md
index 83ab81e01e..8ad6de99ce 100644
--- a/packages/client/ui-settings-general/README.zh.md
+++ b/packages/client/ui-settings-general/README.zh.md
@@ -2,7 +2,9 @@
 
 [English](README.md) | 中文
 
-设置界面文案插件：在设置界面注册所有不属于单一功能的内容，包括外壳的触发器、标题栏与关闭控件内容，「通用」分区（「权限」／「工具调用」骨架行和 `settings.general.item` slot 声明），以及 `settings` 字典。归具体功能所有的行（「语言」、「外观」）和分区（「模型」）仍由各自的功能包提供。
+设置界面无特定功能归属的文案与产品引导插件：在设置界面注册所有不属于单一功能的内容，包括外壳的触发器、标题栏与关闭控件内容，「通用」分区及其 `settings.general.item` slot、`settings` 字典，以及第一个有序欢迎步骤。归具体功能所有的行（「权限」、「语言」、「外观」）、分区（「模型」）和条件式首次使用引导步骤仍由各自的功能包提供。
+
+`src/onboarding-copy.ts` 是完整通知文案和 `WELCOME_NOTICE_VERSION` 的唯一可编辑来源；GUI 支持的两种 locale 都有意渲染同一份中文文案。宿主端在 user-settings seam 中注册 `ui-onboarding`；浏览器比较 `welcomeNoticeVersion` 是否精确相等，仅在「继续」操作成功后写入当前值。该路径变更在不同标签页间幂等，并会保留同级设置；`host/settings-changed` 则让页面在通知被外部确认后，无需重新加载即可推进。版本不同时，系统会有意重新显示通知。欢迎页保留原文的每个段落，仅强调最后一段中指定的句段，初始焦点落在标题上，并且没有关闭操作、Escape、点击遮罩或次要操作路径。其文案和确认状态均不会进入会话日志或模型请求。通知明确以 `DSH_TELEMETRY_DISABLED=1` 作为遥测关闭方式。
 
 ## 模型体验
 
@@ -14,4 +16,4 @@
 
 ## 已知限制与暂缓事项
 
-- **「权限」与「工具调用」只是展示骨架**：对应的宿主服务和 RPC 方法尚不存在；这些控件已禁用，不会写入任何内容。一旦获得实际支撑，按照自注册原则，每一项都会移至拥有它的功能插件。
+- 「通用」分区没有内置行；每一行仅在其所属功能插件挂载时出现。
diff --git a/packages/client/ui-settings-general/package.json b/packages/client/ui-settings-general/package.json
index 798a7710f0..8f78ce6acb 100644
--- a/packages/client/ui-settings-general/package.json
+++ b/packages/client/ui-settings-general/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@deepseek-ai/dsh-client-ui-settings-general",
-  "description": "Settings ownerless-copy plugin: the General section (skeleton rows + item slot), the shell trigger/header chrome content, and the settings dictionaries",
+  "description": "Settings ownerless-copy and product onboarding plugin: the General section, shell trigger/header chrome content, settings dictionaries, and the versioned welcome notice",
   "version": "0.0.1",
   "private": true,
   "type": "module",
@@ -26,7 +26,8 @@
     "inject": [
       "@deepseek-ai/dsh-client-runtime",
       "@deepseek-ai/dsh-client-ui-settings",
-      "@deepseek-ai/dsh-client-locale"
+      "@deepseek-ai/dsh-client-locale",
+      "@deepseek-ai/dsh-client-connection"
     ],
     "platform": "web"
   },
@@ -35,22 +36,31 @@
     "watch": "tsdown --watch"
   },
   "license": "BSD-3-Clause",
+  "dependencies": {
+    "@deepseek-ai/dsh-settings": "workspace:^",
+    "schemastery": "^3.18.0"
+  },
   "peerDependencies": {
+    "@deepseek-ai/dsh-client-connection": "^0.0.1",
     "@deepseek-ai/dsh-client-locale": "^0.0.1",
     "@deepseek-ai/dsh-client-runtime": "^0.0.1",
     "@deepseek-ai/dsh-client-ui-primitives": "^0.0.1",
     "@deepseek-ai/dsh-client-ui-settings": "^0.0.1",
     "@deepseek-ai/dsh-client-ui-slots": "^0.0.1",
+    "@deepseek-ai/dsh-client-web-react": "^0.0.1",
     "@deepseek-ai/dsh-invariants": "^0.0.1",
     "cordis": "^4.0.0-rc.7",
     "react": "^18.2.0"
   },
   "devDependencies": {
+    "@deepseek-ai/dsh-client-connection": "workspace:^",
     "@deepseek-ai/dsh-client-locale": "workspace:^",
     "@deepseek-ai/dsh-client-runtime": "workspace:^",
+    "@deepseek-ai/dsh-client-test-runtime": "workspace:^",
     "@deepseek-ai/dsh-client-ui-primitives": "workspace:^",
     "@deepseek-ai/dsh-client-ui-settings": "workspace:^",
     "@deepseek-ai/dsh-client-ui-slots": "workspace:^",
+    "@deepseek-ai/dsh-client-web-react": "workspace:^",
     "@deepseek-ai/dsh-invariants": "workspace:^",
     "@types/react": "~18.3.1",
     "cordis": "^4.0.0-rc.7",
diff --git a/packages/client/ui-settings-general/src/client/GeneralSection.module.css b/packages/client/ui-settings-general/src/client/GeneralSection.module.css
index aced3b2962..efa367bc52 100644
--- a/packages/client/ui-settings-general/src/client/GeneralSection.module.css
+++ b/packages/client/ui-settings-general/src/client/GeneralSection.module.css
@@ -1,7 +1,5 @@
-/* General section rows (figma 501:29983 'Options'): stacked groups, 16px
- * vertical padding each, hairline separator under all but the last child
- * (feature-contributed rows carry their own row chrome and separators; the
- * :last-child rule strips the trailing one wherever the column ends). */
+/* Feature-contributed rows own their chrome and separators; the section
+ * strips the trailing separator wherever the column ends. */
 
 .section {
   display: flex;
@@ -12,112 +10,3 @@
 .section > :last-child {
   border-bottom: none;
 }
-
-/* Title + trailing control row (figma 'Setting-Cell': gap 8, pad 16/0). */
-.row {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  padding: 16px 0;
-  border-bottom: 1px solid var(--dsw-alias-border-l2);
-}
-
-/* Title + full-width body group (figma 'Frame 2117131229': column, gap 8). */
-.group {
-  display: flex;
-  flex-direction: column;
-  gap: 8px;
-  padding: 16px 0;
-  border-bottom: 1px solid var(--dsw-alias-border-l2);
-}
-
-/* Leading text column (figma 'Frame 2036083120': gap 4, pad-right 48). */
-.rowText {
-  flex: 1;
-  min-width: 0;
-  display: flex;
-  flex-direction: column;
-  gap: 4px;
-  padding-right: 48px;
-}
-
-.title {
-  font-size: 14px;
-  font-weight: 400;
-  line-height: 22px;
-  color: var(--dsw-alias-label-primary);
-}
-
-.desc {
-  font-size: 12px;
-  font-weight: 400;
-  line-height: 18px;
-  color: var(--dsw-alias-label-tertiary);
-}
-
-/* Selector pill (figma 'Selector': h36 r18, fill #F5F6F7, pad 0/14, gap 12). */
-.selector {
-  display: inline-flex;
-  align-items: center;
-  gap: 12px;
-  height: 36px;
-  padding: 0 14px;
-  border: none;
-  border-radius: 18px;
-  background: var(--dsw-alias-bg-module-platform);
-  font: inherit;
-  font-size: 14px;
-  line-height: 22px;
-  color: var(--dsw-alias-label-primary);
-  cursor: pointer;
-}
-
-.selector:hover:not(:disabled) {
-  background: var(--dsw-alias-interactive-bg-hover);
-}
-
-.selector:disabled {
-  cursor: default;
-}
-
-.chevron {
-  flex: none;
-}
-
-/* Tool Call mode cubes share an 8px gap and wrap to one per row when the
-   panel is too narrow. */
-.cubeRow {
-  display: flex;
-  align-items: stretch;
-  gap: 8px;
-  flex-wrap: wrap;
-}
-
-/* Tool Call mode cube (figma '.Selector Cube' 418w r16, flexed to fit the
- * 800 panel; horizontal inset = outer pad 4 + inner .Menu_cell pad 10,
- * vertical = inner pad 8). */
-.modeCube {
-  box-sizing: border-box;
-  flex: 1 1 276px;
-  display: flex;
-  flex-direction: column;
-  justify-content: center;
-  gap: 2px;
-  padding: 8px 14px;
-  border: 1px solid var(--dsw-alias-border-l2);
-  border-radius: 16px;
-  background: transparent;
-  text-align: left;
-  cursor: pointer;
-}
-
-.modeCube:hover:not(.selected) {
-  background: var(--dsw-alias-interactive-bg-hover);
-}
-
-/* Selected cube: #F5F6F7 fill + #ADB2B8 border (static token — the bluish-400
- * step has no alias-layer name). */
-.selected {
-  background: var(--dsw-alias-bg-module-platform);
-  border-color: var(--dsw-static-neutral-bluish-400);
-}
diff --git a/packages/client/ui-settings-general/src/client/GeneralSection.tsx b/packages/client/ui-settings-general/src/client/GeneralSection.tsx
index 62c3a0b134..1217b36f96 100644
--- a/packages/client/ui-settings-general/src/client/GeneralSection.tsx
+++ b/packages/client/ui-settings-general/src/client/GeneralSection.tsx
@@ -1,54 +1,19 @@
-/**
- * The General section (figma 501:29983 'Options'): Permission and Tool Call
- * skeleton rows, then the feature-contributed preference rows from the
- * `settings.general.item` slot (locale → Language, ui-theme → Appearance).
- * The section column stacks rows; each row draws its own internals and
- * separator.
- */
-import { IconChevronDownOutline14 } from '@deepseek-ai/dsh-client-ui-primitives'
-import type { PropsLocale, PropsRenderSlots, PropsRuntime } from '@deepseek-ai/dsh-client-ui-slots'
+/** The General section: one column rendering feature-owned item contributions. */
+import type { PropsRenderSlots, PropsRuntime } from '@deepseek-ai/dsh-client-ui-slots'
 import css from './GeneralSection.module.css'
 
-/** Full component props: section owner share + item render share + the standard locale seat. */
+/** Full component props: section owner share plus item render share. */
 export type GeneralSectionComponentProps =
-  PropsRuntime<'settings.section'> & PropsRenderSlots<'settings.general.item'> & PropsLocale<'settings'>
+  PropsRuntime<'settings.section'> & PropsRenderSlots<'settings.general.item'>
 
 /**
  * Render the General section content column.
  * @param props - composed slot props (contract/slots.ts).
  * @returns the section element tree.
  */
-export function GeneralSection({ t, renderSlot }: GeneralSectionComponentProps) {
+export function GeneralSection({ renderSlot }: GeneralSectionComponentProps) {
   return (
     <div className={css.section}>
-      {/* Permission (skeleton): disabled selector pill. */}
-      <div className={css.row}>
-        <div className={css.rowText}>
-          <div className={css.title}>{t('permission.title')}</div>
-          <div className={css.desc}>{t('permission.desc')}</div>
-        </div>
-        <button type="button" className={css.selector} disabled>
-          {t('permission.value')}
-          <IconChevronDownOutline14 className={css.chevron} />
-        </button>
-      </div>
-
-      {/* Tool Call (skeleton): schema cube pinned selected, code cube unselected. */}
-      <div className={css.group}>
-        <div className={css.title}>{t('toolcall.title')}</div>
-        <div className={css.cubeRow}>
-          <div className={`${css.modeCube} ${css.selected}`}>
-            <div className={css.title}>{t('toolcall.schema.title')}</div>
-            <div className={css.desc}>{t('toolcall.schema.desc')}</div>
-          </div>
-          <div className={css.modeCube}>
-            <div className={css.title}>{t('toolcall.code.title')}</div>
-            <div className={css.desc}>{t('toolcall.code.desc')}</div>
-          </div>
-        </div>
-      </div>
-
-      {/* Feature-owned preference rows (Language, Appearance, …). */}
       {renderSlot('settings.general.item', {})}
     </div>
   )
diff --git a/packages/client/ui-settings-general/src/client/WelcomeNotice.module.css b/packages/client/ui-settings-general/src/client/WelcomeNotice.module.css
new file mode 100644
index 0000000000..a1727b8033
--- /dev/null
+++ b/packages/client/ui-settings-general/src/client/WelcomeNotice.module.css
@@ -0,0 +1,155 @@
+.page {
+  position: relative;
+  z-index: 1;
+  width: min(640px, calc(100vw - 64px));
+  max-height: 100vh;
+  padding: clamp(64px, 9vh, 104px) 0 40px;
+  box-sizing: border-box;
+  overflow-y: auto;
+  color: var(--dsw-alias-label-primary);
+  --welcome-ease-out: cubic-bezier(0.23, 1, 0.32, 1);
+}
+
+.brand {
+  display: flex;
+  align-items: center;
+  margin-bottom: 42px;
+  color: var(--dsw-alias-label-primary);
+}
+
+.title {
+  margin: 0;
+  font-size: 28px;
+  line-height: 36px;
+  font-weight: 600;
+  letter-spacing: -0.02em;
+  outline: none;
+}
+
+.opening,
+.reflection,
+.feedback,
+.error {
+  margin: 0;
+}
+
+.opening {
+  margin-top: 30px;
+}
+
+.reflection {
+  margin-top: 36px;
+  padding: 0;
+}
+
+.feedback {
+  margin-top: 30px;
+}
+
+.opening,
+.reflection,
+.feedback {
+  font-size: 16px;
+  line-height: 28px;
+  color: var(--dsw-alias-label-secondary);
+}
+
+.feedback strong {
+  color: inherit;
+  font-weight: 500;
+}
+
+.footer {
+  display: flex;
+  justify-content: flex-end;
+  margin-top: 32px;
+}
+
+.error {
+  margin-top: 20px;
+  font-size: 14px;
+  line-height: 22px;
+  color: var(--dsw-alias-state-error-primary);
+}
+
+.primary {
+  min-width: 120px;
+  transition: transform 140ms var(--welcome-ease-out);
+}
+
+.primary:active:not(:disabled) {
+  transform: scale(0.97);
+}
+
+.brand,
+.title,
+.opening,
+.reflection,
+.feedback,
+.footer {
+  animation: welcome-enter 280ms var(--welcome-ease-out) both;
+}
+
+.title { animation-delay: 40ms; }
+.opening { animation-delay: 80ms; }
+.reflection { animation-delay: 120ms; }
+.feedback { animation-delay: 160ms; }
+.footer { animation-delay: 200ms; }
+
+@keyframes welcome-enter {
+  from {
+    opacity: 0;
+    transform: translateY(8px);
+  }
+
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .brand,
+  .title,
+  .opening,
+  .reflection,
+  .feedback,
+  .footer {
+    animation: none;
+  }
+
+  .primary {
+    transition: none;
+  }
+}
+
+@media (max-width: 560px) {
+  .page {
+    width: calc(100vw - 40px);
+    padding-top: 38px;
+  }
+
+  .brand {
+    margin-bottom: 30px;
+  }
+
+  .opening {
+    margin-top: 24px;
+  }
+
+  .reflection {
+    margin-top: 28px;
+  }
+
+  .feedback {
+    margin-top: 28px;
+  }
+
+  .footer {
+    margin-top: 30px;
+  }
+
+  .primary {
+    width: 100%;
+  }
+}
diff --git a/packages/client/ui-settings-general/src/client/WelcomeNotice.tsx b/packages/client/ui-settings-general/src/client/WelcomeNotice.tsx
new file mode 100644
index 0000000000..0c381e02c9
--- /dev/null
+++ b/packages/client/ui-settings-general/src/client/WelcomeNotice.tsx
@@ -0,0 +1,86 @@
+/** Product-wide, versioned first-run welcome step. */
+
+import { useCallback, useEffect, useRef } from 'react'
+import type { ReactNode } from 'react'
+import type { PropsLocale, PropsRuntime } from '@deepseek-ai/dsh-client-ui-slots'
+import { BrandWordmark, Button } from '@deepseek-ai/dsh-client-ui-primitives'
+import type { SnapshotSelectorHook } from '@deepseek-ai/dsh-client-web-react'
+import type { WelcomeNoticeState, WelcomeNoticeStore } from './welcome-store.ts'
+import css from './WelcomeNotice.module.css'
+
+function emphasizedFeedback(paragraph: string, emphasis: string): ReactNode {
+  const index = paragraph.indexOf(emphasis)
+  /* v8 ignore next -- both locale values derive from one owner object that contains the emphasis */
+  if (index < 0) return paragraph
+  return (
+    <>
+      {paragraph.slice(0, index)}
+      <strong>{emphasis}</strong>
+      {paragraph.slice(index + emphasis.length)}
+    </>
+  )
+}
+
+/** Registrant-owned dependencies of {@link WelcomeNotice}. */
+export interface WelcomeNoticeInjected {
+  controller: WelcomeNoticeStore
+  useSnapshot: SnapshotSelectorHook<WelcomeNoticeState>
+}
+
+/** Coordinator owner props plus the welcome step's injected face. */
+export type WelcomeNoticeProps =
+  PropsRuntime<'settings.onboarding'> & PropsLocale<'settings'> & WelcomeNoticeInjected
+
+/** Render the mandatory notice until its current version commits durably. */
+export function WelcomeNotice(props: WelcomeNoticeProps): ReactNode {
+  const { complete, controller, useSnapshot, t } = props
+  const state = useSnapshot(snapshot => snapshot)
+  const finished = useRef(false)
+  const titleRef = useRef<HTMLHeadingElement | null>(null)
+  const finish = useCallback((): void => {
+    if (finished.current) return
+    finished.current = true
+    complete()
+  }, [complete])
+
+  useEffect(() => {
+    if (state.status === 'idle') void controller.load()
+  }, [controller, state.status])
+
+  useEffect(() => {
+    if (state.acknowledged) finish()
+  }, [finish, state.acknowledged])
+
+  useEffect(() => {
+    if (state.status === 'ready' && !state.acknowledged) titleRef.current?.focus()
+  }, [state.acknowledged, state.status])
+
+  if (state.status === 'idle' || state.status === 'loading' || state.acknowledged) return null
+
+  const acknowledge = async (): Promise<void> => {
+    if (await controller.acknowledge()) finish()
+  }
+
+  return (
+    <section className={css.page} role="region" aria-labelledby="welcome-notice-title">
+      <div className={css.brand} aria-hidden="true"><BrandWordmark size={24} /></div>
+      <h2 ref={titleRef} id="welcome-notice-title" className={css.title} tabIndex={-1}>{t('welcome.title')}</h2>
+      <p className={css.opening}>{t('welcome.paragraph.0')}</p>
+      <blockquote className={css.reflection}>{t('welcome.paragraph.1')}</blockquote>
+      <p className={css.feedback}>
+        {emphasizedFeedback(t('welcome.paragraph.2'), t('welcome.feedbackEmphasis'))}
+      </p>
+      {state.error === null ? null : <p className={css.error} role="alert">{t('welcome.error')}</p>}
+      <div className={css.footer}>
+        <Button
+          variant="primary"
+          className={css.primary}
+          disabled={state.status === 'saving'}
+          onClick={() => { void acknowledge() }}
+        >
+          {t('welcome.continue')}
+        </Button>
+      </div>
+    </section>
+  )
+}
diff --git a/packages/client/ui-settings-general/src/client/index.ts b/packages/client/ui-settings-general/src/client/index.ts
index 2683c20608..8b3e969860 100644
--- a/packages/client/ui-settings-general/src/client/index.ts
+++ b/packages/client/ui-settings-general/src/client/index.ts
@@ -1,25 +1,34 @@
 /**
  * Settings ownerless-copy plugin, browser half: registers everything on the
  * Settings surface that belongs to no single feature — the trigger/header
- * chrome content, the General section (skeleton rows + the
- * `settings.general.item` slot declaration), and the `settings`
- * dictionaries. Feature-owned rows and sections stay with their features.
+ * chrome content, the General section, and the `settings` dictionaries.
+ * Feature-owned rows and sections stay with their features.
  * Export discipline: packages/client/AGENTS.md.
  */
 import type { ClientContext } from '@deepseek-ai/dsh-client-runtime/client'
 import { deferRegistration } from '@deepseek-ai/dsh-client-ui-slots'
+import type { ConnectionHandle } from '@deepseek-ai/dsh-client-connection/client'
+import { bindSnapshotSelector } from '@deepseek-ai/dsh-client-web-react'
 // Type-only: pulls the shell's SlotMap merges (trigger/header/section/item).
 import type {} from '@deepseek-ai/dsh-client-ui-settings/client'
 // Type-only: pulls ctx.locale and the 'settings.general.item' SlotMap merge.
 import type {} from '@deepseek-ai/dsh-client-locale/client'
 import { CloseLabel, HeaderContent, TriggerContent } from './chrome.tsx'
 import { GeneralSection } from './GeneralSection.tsx'
+import type { WelcomeNoticeInjected } from './WelcomeNotice.tsx'
+import { WelcomeNotice } from './WelcomeNotice.tsx'
+import { refreshWelcomeIfLoaded, WelcomeNoticeStore } from './welcome-store.ts'
+import { WELCOME_NOTICE_SETTINGS_NAMESPACE } from '../onboarding-copy.ts'
 import { en, zh, type SettingsKey } from './locales.ts'
 
 export type {
   CloseLabelProps, HeaderContentProps, TriggerContentProps,
 } from './chrome.tsx'
-export type { GeneralSectionComponentProps } from './GeneralSection.tsx'
+export type {
+  GeneralSectionComponentProps,
+} from './GeneralSection.tsx'
+export type { WelcomeNoticeInjected, WelcomeNoticeProps } from './WelcomeNotice.tsx'
+export type { WelcomeNoticeState } from './welcome-store.ts'
 export type { SettingsKey } from './locales.ts'
 
 declare module '@deepseek-ai/dsh-client-ui-slots' {
@@ -37,7 +46,7 @@ const NS = 'settings'
  * ui-settings' apply, whose activation order relative to this one is NOT
  * constrained; registration goes through declaration-aware deferral.
  */
-export const inject = ['slots', 'locale']
+export const inject = ['slots', 'locale', 'connection']
 
 /**
  * Register the `settings` dictionaries, the chrome content, and the General
@@ -51,6 +60,25 @@ export function apply(ctx: ClientContext): void {
   // seat, and the nav label is a thunk the owner resolves per render — no
   // locale/change re-registration wiring.
   const t = ctx.locale.bind(NS)
+  const connection = ctx.get('connection') as ConnectionHandle
+  const welcomeController = new WelcomeNoticeStore(connection.api)
+  const useWelcomeSnapshot = bindSnapshotSelector(welcomeController.store)
+  const welcomeInjected = (): WelcomeNoticeInjected => ({
+    controller: welcomeController,
+    useSnapshot: useWelcomeSnapshot,
+  })
+
+  ctx.effect(() => {
+    const refresh = (ns?: string): void => {
+      if (ns !== undefined && ns !== WELCOME_NOTICE_SETTINGS_NAMESPACE) return
+      refreshWelcomeIfLoaded(welcomeController)
+    }
+    const disposers = [
+      ctx.on('settings/changed', refresh),
+      ctx.on('connection/reset', () => { refresh() }),
+    ]
+    return () => { for (const dispose of disposers) dispose() }
+  }, 'ui-settings-general: welcome invalidations')
   ctx.effect(() => {
     const trigger = deferRegistration(ctx.slots, 'settings.trigger', TriggerContent, () =>
       ctx.slots.register({ name: 'settings.trigger', locale: NS }, TriggerContent))
@@ -67,11 +95,20 @@ export function apply(ctx: ClientContext): void {
         locale: NS,
         children: { 'settings.general.item': { kind: 'list', scope: 'root' } },
       }, GeneralSection))
+    const welcome = deferRegistration(ctx.slots, 'settings.onboarding', WelcomeNotice, () =>
+      ctx.slots.register({
+        name: 'settings.onboarding',
+        id: 'welcome-notice',
+        order: -100,
+        locale: NS,
+        inject: welcomeInjected,
+      }, WelcomeNotice))
     return () => {
       trigger.dispose()
       header.dispose()
       close.dispose()
       general.dispose()
+      welcome.dispose()
     }
-  }, 'ui-settings-general: chrome and section registrations')
+  }, 'ui-settings-general: chrome, section, and onboarding registrations')
 }
diff --git a/packages/client/ui-settings-general/src/client/locales.ts b/packages/client/ui-settings-general/src/client/locales.ts
index d49dfecf96..ef300e8e1f 100644
--- a/packages/client/ui-settings-general/src/client/locales.ts
+++ b/packages/client/ui-settings-general/src/client/locales.ts
@@ -1,28 +1,19 @@
-/**
- * `settings` namespace dictionaries: shell chrome plus the shell-owned
- * General section (nav label, skeleton rows). Skeleton-row technical copy
- * (Read only / Schema mode / Code mode and their descriptions) is shared
- * verbatim across locales per the Figma design. Feature-owned rows
- * (Language, Appearance) ship their copy in their own packages.
- */
-const SHARED = {
-  'permission.value': 'Read only',
-  'toolcall.schema.title': 'Schema mode',
-  'toolcall.schema.desc': 'Traditional function calling — invoke tools one at a time',
-  'toolcall.code.title': 'Code mode',
-  'toolcall.code.desc': 'Chain multiple tools with code — multi-step orchestration',
-} satisfies Record<string, string>
+/** Shell chrome, General-nav, and welcome-notice dictionaries; feature rows own their copy. */
+import { WELCOME_NOTICE_COPY } from '../onboarding-copy.ts'
 
 /** Simplified Chinese dictionary (the key-set source of truth). */
 export const zh = {
-  ...SHARED,
   'trigger': '设置',
   'title': '设置',
   'close': '关闭',
   'general.nav': '通用设置',
-  'permission.title': '权限',
-  'permission.desc': '选择默认权限模式',
-  'toolcall.title': '工具调用',
+  'welcome.title': WELCOME_NOTICE_COPY.zh.title,
+  'welcome.paragraph.0': WELCOME_NOTICE_COPY.zh.paragraphs[0],
+  'welcome.paragraph.1': WELCOME_NOTICE_COPY.zh.paragraphs[1],
+  'welcome.paragraph.2': WELCOME_NOTICE_COPY.zh.paragraphs[2],
+  'welcome.feedbackEmphasis': WELCOME_NOTICE_COPY.zh.feedbackEmphasis,
+  'welcome.continue': WELCOME_NOTICE_COPY.zh.continueLabel,
+  'welcome.error': '暂时无法保存确认状态，请重试。',
 } satisfies Record<string, string>
 
 /** The settings namespace key union. */
@@ -30,12 +21,15 @@ export type SettingsKey = keyof typeof zh
 
 /** English dictionary, checked complete against the zh key set. */
 export const en = {
-  ...SHARED,
   'trigger': 'Settings',
   'title': 'Settings',
   'close': 'Close',
   'general.nav': 'General',
-  'permission.title': 'Permission',
-  'permission.desc': 'Choose default permission mode',
-  'toolcall.title': 'Tool Call',
+  'welcome.title': WELCOME_NOTICE_COPY.en.title,
+  'welcome.paragraph.0': WELCOME_NOTICE_COPY.en.paragraphs[0],
+  'welcome.paragraph.1': WELCOME_NOTICE_COPY.en.paragraphs[1],
+  'welcome.paragraph.2': WELCOME_NOTICE_COPY.en.paragraphs[2],
+  'welcome.feedbackEmphasis': WELCOME_NOTICE_COPY.en.feedbackEmphasis,
+  'welcome.continue': WELCOME_NOTICE_COPY.en.continueLabel,
+  'welcome.error': 'The acknowledgement could not be saved. Please try again.',
 } satisfies Record<SettingsKey, string>
diff --git a/packages/client/ui-settings-general/src/client/welcome-store.ts b/packages/client/ui-settings-general/src/client/welcome-store.ts
new file mode 100644
index 0000000000..ad0e18305c
--- /dev/null
+++ b/packages/client/ui-settings-general/src/client/welcome-store.ts
@@ -0,0 +1,108 @@
+/** Durable welcome-notice state over the Host settings document. */
+
+import type { IApiClient, SettingsNamespaceView } from '@deepseek-ai/dsh-client-connection/client'
+import type { SnapshotStore } from '@deepseek-ai/dsh-client-runtime/client'
+import { createSnapshotStore } from '@deepseek-ai/dsh-client-runtime/client'
+import {
+  WELCOME_NOTICE_ACK_FIELD, WELCOME_NOTICE_SETTINGS_NAMESPACE, WELCOME_NOTICE_VERSION,
+} from '../onboarding-copy.ts'
+
+/** State rendered by the welcome step. */
+export interface WelcomeNoticeState {
+  status: 'idle' | 'loading' | 'ready' | 'saving' | 'error'
+  acknowledged: boolean
+  error: string | null
+}
+
+function messageOf(error: unknown): string {
+  return error instanceof Error ? error.message : String(error)
+}
+
+function acknowledgementOf(view: SettingsNamespaceView): string | undefined {
+  if (typeof view.value !== 'object' || view.value === null) return undefined
+  const value = (view.value as Record<string, unknown>)[WELCOME_NOTICE_ACK_FIELD]
+  return typeof value === 'string' ? value : undefined
+}
+
+/** Coordinates welcome acknowledgement reads and the sole durable write. */
+export class WelcomeNoticeStore {
+  /** uSES-safe state source shared by the registered welcome step. */
+  readonly store: SnapshotStore<WelcomeNoticeState> = createSnapshotStore({
+    status: 'idle', acknowledged: false, error: null,
+  })
+
+  private generation = 0
+
+  /** @param api - settings wire face used for durable reads and writes. */
+  constructor(private readonly api: Pick<IApiClient, 'settings'>) {}
+
+  /** Load the current acknowledgement from the Host settings document. */
+  async load(): Promise<void> {
+    const generation = ++this.generation
+    this.store.update((state) => { state.status = 'loading'; state.error = null })
+    try {
+      const response = await this.api.settings.describe({})
+      if (!response.result.ok) throw new Error(response.result.error.message)
+      const view = response.result.value.namespaces.find(
+        candidate => candidate.ns === WELCOME_NOTICE_SETTINGS_NAMESPACE,
+      )
+      if (view === undefined) throw new Error('welcome acknowledgement settings are unavailable')
+      if (generation !== this.generation) return
+      this.store.update((state) => {
+        state.status = 'ready'
+        state.acknowledged = acknowledgementOf(view) === WELCOME_NOTICE_VERSION
+        state.error = null
+      })
+    } catch (error) {
+      if (generation !== this.generation) return
+      this.store.update((state) => {
+        state.status = 'error'
+        state.acknowledged = false
+        state.error = messageOf(error)
+      })
+    }
+  }
+
+  /**
+   * Persist this copy version. The path mutation is idempotent across tabs and
+   * preserves every sibling setting; failure leaves the step unacknowledged.
+   * @returns true only when the Host committed the acknowledgement.
+   */
+  async acknowledge(): Promise<boolean> {
+    const generation = ++this.generation
+    this.store.update((state) => { state.status = 'saving'; state.error = null })
+    try {
+      const response = await this.api.settings.mutate({
+        ns: WELCOME_NOTICE_SETTINGS_NAMESPACE,
+        ops: [{ op: 'set', path: [WELCOME_NOTICE_ACK_FIELD], value: WELCOME_NOTICE_VERSION }],
+      })
+      if (!response.result.ok) throw new Error(response.result.error.message)
+      if (generation === this.generation) {
+        this.store.update((state) => {
+          state.status = 'ready'
+          state.acknowledged = true
+          state.error = null
+        })
+      }
+      return true
+    } catch (error) {
+      if (generation === this.generation) {
+        this.store.update((state) => {
+          state.status = 'error'
+          state.acknowledged = false
+          state.error = messageOf(error)
+        })
+      }
+      return false
+    }
+  }
+}
+
+/**
+ * Refresh only after the welcome step has begun reading durable state.
+ * @param controller - welcome state owner whose current status decides whether to load.
+ */
+export function refreshWelcomeIfLoaded(controller: WelcomeNoticeStore): void {
+  if (controller.store.getSnapshot().status === 'idle') return
+  void controller.load()
+}
diff --git a/packages/client/ui-settings-general/src/index.ts b/packages/client/ui-settings-general/src/index.ts
index 94b9bdf674..18518c2835 100644
--- a/packages/client/ui-settings-general/src/index.ts
+++ b/packages/client/ui-settings-general/src/index.ts
@@ -1,4 +1,31 @@
 /** Host loader entry for the browser implementation exported from `./client`. */
 
-/** Host plugin body — no host-side behavior for the general settings plugin. */
-export function apply(): void {}
+import type { Context } from 'cordis'
+import z from 'schemastery'
+import { settingsNamespace } from '@deepseek-ai/dsh-settings'
+import {
+  WELCOME_NOTICE_ACK_FIELD, WELCOME_NOTICE_SETTINGS_NAMESPACE,
+} from './onboarding-copy.ts'
+
+export {
+  WELCOME_NOTICE_ACK_FIELD, WELCOME_NOTICE_COPY, WELCOME_NOTICE_SETTINGS_NAMESPACE,
+  WELCOME_NOTICE_VERSION,
+} from './onboarding-copy.ts'
+
+interface OnboardingSettings {
+  welcomeNoticeVersion?: string
+}
+
+const OnboardingSettingsSchema: z<OnboardingSettings> = z.object({
+  [WELCOME_NOTICE_ACK_FIELD]: z.string(),
+})
+
+/** Register the durable GUI-onboarding section when a settings provider exists. */
+export function apply(ctx: Context): void {
+  ctx.inject(['settings'], (settingsCtx) => {
+    settingsCtx.settings.register(
+      settingsNamespace(WELCOME_NOTICE_SETTINGS_NAMESPACE),
+      OnboardingSettingsSchema,
+    )
+  })
+}
diff --git a/packages/client/ui-settings-general/src/invariant.ts b/packages/client/ui-settings-general/src/invariant.ts
index 29f762834d..d13ecc5cb8 100644
--- a/packages/client/ui-settings-general/src/invariant.ts
+++ b/packages/client/ui-settings-general/src/invariant.ts
@@ -15,10 +15,9 @@ export const name = 'client-ui-settings-general-invariant'
 export const inject = ['invariants']
 
 /**
- * No runtime invariant: a copy-owning registrant contributing chrome content
- * and the General section into shell-declared slots — it emits no cordis
- * events and owns no cross-plugin mutable relation; slot conflicts already
- * fail loud in the slot core at load time.
+ * No runtime invariant: the settings seam validates and publishes the durable
+ * welcome section, while slot conflicts fail loud in the slot core; this
+ * package owns no additional event/data relationship between those systems.
  */
 const install: InvariantInstaller = () => {}
 
diff --git a/packages/client/ui-settings-general/src/onboarding-copy.ts b/packages/client/ui-settings-general/src/onboarding-copy.ts
new file mode 100644
index 0000000000..061fc06872
--- /dev/null
+++ b/packages/client/ui-settings-general/src/onboarding-copy.ts
@@ -0,0 +1,35 @@
+/** Durable settings namespace for product-wide GUI onboarding facts. */
+export const WELCOME_NOTICE_SETTINGS_NAMESPACE = 'ui-onboarding'
+
+/** Field storing the last welcome notice version the user acknowledged. */
+export const WELCOME_NOTICE_ACK_FIELD = 'welcomeNoticeVersion'
+
+/**
+ * Bump only when the notice changes materially and every user should see it
+ * again. The acknowledgement is compared for exact equality.
+ */
+export const WELCOME_NOTICE_VERSION = '2026-07-30.7'
+
+/** The complete editable welcome notice in both supported GUI locales. */
+export const WELCOME_NOTICE_COPY = {
+  zh: {
+    title: '内测声明',
+    paragraphs: [
+      '感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部测试阶段，功能仍待完善，体验难免有些粗糙。',
+      '“如切如磋，如琢如磨。” 产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实使用中发现的问题，也可能促使我们重新审视，甚至推翻已有的设计。',
+      '为了帮助我们更准确地还原您真实使用中的问题，内测版本默认会上传所有 Session Log；如需关闭，可以设置环境变量 DSH_TELEMETRY_DISABLED=1。另外，如果您有任何反馈与建议，请在企业微信群中留言告诉我们。每一条反馈，都会帮助我们把它打磨得更好。',
+    ],
+    feedbackEmphasis: '如果您有任何反馈与建议，请在企业微信群中留言告诉我们',
+    continueLabel: '继续',
+  },
+  en: {
+    title: '内测声明',
+    paragraphs: [
+      '感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部测试阶段，功能仍待完善，体验难免有些粗糙。',
+      '“如切如磋，如琢如磨。” 产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实使用中发现的问题，也可能促使我们重新审视，甚至推翻已有的设计。',
+      '为了帮助我们更准确地还原您真实使用中的问题，内测版本默认会上传所有 Session Log；如需关闭，可以设置环境变量 DSH_TELEMETRY_DISABLED=1。另外，如果您有任何反馈与建议，请在企业微信群中留言告诉我们。每一条反馈，都会帮助我们把它打磨得更好。',
+    ],
+    feedbackEmphasis: '如果您有任何反馈与建议，请在企业微信群中留言告诉我们',
+    continueLabel: '继续',
+  },
+} as const
diff --git a/packages/client/ui-settings-general/tests/apply.spec.ts b/packages/client/ui-settings-general/tests/apply.spec.ts
index 726efe0be8..81a56a9a4a 100644
--- a/packages/client/ui-settings-general/tests/apply.spec.ts
+++ b/packages/client/ui-settings-general/tests/apply.spec.ts
@@ -1,19 +1,28 @@
 /** Ownerless-copy registrations: the four seats, the dictionaries, thunked labels, and HMR recovery. */
 import { Context } from 'cordis'
-import { describe, expect, it } from 'vitest'
+import { describe, expect, it, vi } from 'vitest'
 import { resolveSlotLabel } from '@deepseek-ai/dsh-client-ui-slots'
 import { SlotsService } from '@deepseek-ai/dsh-client-runtime/client'
 import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
+import { usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import { apply, inject } from '@deepseek-ai/dsh-client-ui-settings-general/client'
 import { CloseLabel, HeaderContent, TriggerContent } from '../src/client/chrome.tsx'
 import { GeneralSection } from '../src/client/GeneralSection.tsx'
+import { WelcomeNotice } from '../src/client/WelcomeNotice.tsx'
+import type { WelcomeNoticeInjected } from '../src/client/WelcomeNotice.tsx'
+import { WELCOME_NOTICE_SETTINGS_NAMESPACE } from '../src/onboarding-copy.ts'
 
-/** The four seats this plugin fills (slot name → expected component). */
+// The service reads its initial locale from the browser; these specs assert
+// the shipped Chinese copy, so they state the browser they assume.
+usePinnedBrowserLanguages('zh-CN')
+
+/** The five seats this plugin fills (slot name → expected component). */
 const SEATS = [
   ['settings.trigger', TriggerContent],
   ['settings.header', HeaderContent],
   ['settings.close', CloseLabel],
   ['settings.section', GeneralSection],
+  ['settings.onboarding', WelcomeNotice],
 ] as const
 
 async function bench() {
@@ -21,7 +30,25 @@ async function bench() {
   await ctx.plugin(SlotsService).await()
   const locale = new LocaleService(ctx)
   ctx.provide('locale', locale)
-  return { ctx, slots: ctx.get('slots') as SlotsService, locale }
+  const settingsDescribe = vi.fn(() => Promise.resolve({
+    rpcId: 'settings-general' as never,
+    result: {
+      ok: true as const,
+      value: {
+        writable: true,
+        namespaces: [{
+          ns: WELCOME_NOTICE_SETTINGS_NAMESPACE,
+          schema: {},
+          value: {},
+          applies: 'live' as const,
+          secrets: [],
+          revision: 0,
+        }],
+      },
+    },
+  }))
+  ctx.provide('connection', { api: { settings: { describe: settingsDescribe } } } as never)
+  return { ctx, slots: ctx.get('slots') as SlotsService, locale, settingsDescribe }
 }
 
 /** Declare the shell's four child slots the way ui-settings' entry does. */
@@ -34,6 +61,7 @@ function declare(slots: SlotsService): () => void {
         'settings.header': { kind: 'single', scope: 'root' },
         'settings.close': { kind: 'single', scope: 'root' },
         'settings.section': { kind: 'list', scope: 'root' },
+        'settings.onboarding': { kind: 'list', scope: 'root' },
       },
     } as never,
     () => null,
@@ -46,10 +74,10 @@ function generalEntry(slots: SlotsService) {
 
 describe('ui-settings-general apply', () => {
   it('declares the services it uses', () => {
-    expect(inject).toEqual(['slots', 'locale'])
+    expect(inject).toEqual(['slots', 'locale', 'connection'])
   })
 
-  it('fills all four seats for declarations before or after apply', async () => {
+  it('fills all five seats for declarations before or after apply', async () => {
     const before = await bench()
     declare(before.slots)
     await before.ctx.plugin({ inject: [...inject], apply }).await()
@@ -61,11 +89,13 @@ describe('ui-settings-general apply', () => {
     // The nav label is a locale-following thunk; owners resolve at read time.
     expect(resolveSlotLabel(entry.options.label)).toBe('通用设置')
     expect(before.slots.spec('settings.general.item')).toEqual({ kind: 'list', scope: 'root' })
+    expect(before.slots.entries('settings.general.item')).toEqual([])
+    const welcome = before.slots.entries('settings.onboarding')[0]!
+    expect(welcome.options).toMatchObject({ id: 'welcome-notice', order: -100 })
     // Copy rides the standard locale seat: every seat declares the namespace.
     for (const [name] of SEATS) {
       expect(before.slots.entries(name)[0]!.locale).toBe('settings')
     }
-
     const after = await bench()
     await after.ctx.plugin({ inject: [...inject], apply }).await()
     for (const [name] of SEATS) expect(after.slots.entries(name)).toHaveLength(0)
@@ -76,6 +106,9 @@ describe('ui-settings-general apply', () => {
       // The self-inflicted ledger notifications hit the duplicate guard.
       expect(after.slots.entries(name)).toHaveLength(1)
     }
+    await vi.waitFor(() => {
+      expect(after.slots.spec('settings.general.item')).toEqual({ kind: 'list', scope: 'root' })
+    })
   })
 
   it('registers the zh/en settings dictionaries and frees the seats on teardown', async () => {
@@ -110,6 +143,22 @@ describe('ui-settings-general apply', () => {
     expect(resolveSlotLabel(generalEntry(b.slots)!.options.label)).toBe('通用设置')
   })
 
+  it('refreshes loaded welcome state only for its settings namespace or a reconnect', async () => {
+    const b = await bench()
+    declare(b.slots)
+    await b.ctx.plugin({ inject: [...inject], apply }).await()
+    const entry = b.slots.entries('settings.onboarding')[0]!
+    const { controller } = (entry.inject as unknown as () => WelcomeNoticeInjected)()
+    await controller.load()
+    expect(b.settingsDescribe).toHaveBeenCalledOnce()
+    b.ctx.emit('settings/changed', 'unrelated')
+    expect(b.settingsDescribe).toHaveBeenCalledOnce()
+    b.ctx.emit('settings/changed', WELCOME_NOTICE_SETTINGS_NAMESPACE)
+    await vi.waitFor(() => { expect(b.settingsDescribe).toHaveBeenCalledTimes(2) })
+    b.ctx.emit('connection/reset')
+    await vi.waitFor(() => { expect(b.settingsDescribe).toHaveBeenCalledTimes(3) })
+  })
+
   it('re-registers after an HMR collapse of the declaring chain (stale disposers must not block)', async () => {
     const b = await bench()
     const redeclare = declare(b.slots)
@@ -124,6 +173,7 @@ describe('ui-settings-general apply', () => {
     for (const [name, component] of SEATS) {
       expect(b.slots.entries(name)[0]!.component).toBe(component)
     }
+    expect(b.slots.entries('settings.general.item')).toEqual([])
     expect(b.slots.spec('settings.general.item')).toEqual({ kind: 'list', scope: 'root' })
     // The recovered registrations still ride the locale path.
     b.locale.setLocale('en')
diff --git a/packages/client/ui-settings-general/tests/components.spec.tsx b/packages/client/ui-settings-general/tests/components.spec.tsx
index 9af2fb825b..db6be78ccd 100644
--- a/packages/client/ui-settings-general/tests/components.spec.tsx
+++ b/packages/client/ui-settings-general/tests/components.spec.tsx
@@ -4,13 +4,14 @@ import { cleanup, render, screen } from '@testing-library/react'
 import type { GeneralSectionComponentProps } from '../src/client/GeneralSection.tsx'
 import { GeneralSection } from '../src/client/GeneralSection.tsx'
 import { CloseLabel, HeaderContent, TriggerContent } from '../src/client/chrome.tsx'
+import type { TriggerContentProps } from '../src/client/chrome.tsx'
 import { en } from '../src/client/locales.ts'
 
 afterEach(cleanup)
 
 // The seat's key domain is settings ∪ common; the stub answers from the
 // package dictionary and falls back to the key like the real chain.
-const t: GeneralSectionComponentProps['t'] = key => (en as Record<string, string>)[key] ?? key
+const t: TriggerContentProps['t'] = key => (en as Record<string, string>)[key] ?? key
 
 // Global standard kit stubs: none of these components consume the hooks.
 const unusedHook = (() => { throw new Error('unused by settings-general components') }) as never
@@ -42,31 +43,12 @@ describe('GeneralSection', () => {
     const renderSlot = vi.fn(
       ((key: string) => <div data-testid={`slot-${key}`} />) as GeneralSectionComponentProps['renderSlot'],
     )
-    const props: GeneralSectionComponentProps = { ...kit, t, renderSlot }
+    const props: GeneralSectionComponentProps = { ...kit, renderSlot }
     const view = render(<GeneralSection {...props} />)
     return { view, renderSlot }
   }
 
-  it('renders the Permission skeleton row with the disabled selector', () => {
-    mount()
-    expect(screen.getByText('Permission')).toBeTruthy()
-    expect(screen.getByText('Choose default permission mode')).toBeTruthy()
-    const selector = screen.getByRole<HTMLButtonElement>('button', { name: /Read only/ })
-    expect(selector.disabled).toBe(true)
-  })
-
-  it('renders the Tool Call skeleton cubes with schema pinned selected', () => {
-    mount()
-    expect(screen.getByText('Tool Call')).toBeTruthy()
-    const schema = screen.getByText('Schema mode')
-    const code = screen.getByText('Code mode')
-    expect(schema.parentElement!.className).toContain('selected')
-    expect(code.parentElement!.className).not.toContain('selected')
-    expect(screen.getByText('Traditional function calling — invoke tools one at a time')).toBeTruthy()
-    expect(screen.getByText('Chain multiple tools with code — multi-step orchestration')).toBeTruthy()
-  })
-
-  it('renders the feature-contributed item slot after the skeleton rows', () => {
+  it('renders the item slot as the section body', () => {
     const { renderSlot } = mount()
     expect(renderSlot).toHaveBeenCalledWith('settings.general.item', {})
     expect(screen.getByTestId('slot-settings.general.item')).toBeTruthy()
diff --git a/packages/client/ui-settings-general/tests/host.spec.ts b/packages/client/ui-settings-general/tests/host.spec.ts
new file mode 100644
index 0000000000..6434bc833a
--- /dev/null
+++ b/packages/client/ui-settings-general/tests/host.spec.ts
@@ -0,0 +1,29 @@
+import { Context } from 'cordis'
+import { describe, expect, it } from 'vitest'
+import { Settings, settingsNamespace, type SettingsNamespace } from '@deepseek-ai/dsh-settings'
+import { apply } from '../src/index.ts'
+import { WELCOME_NOTICE_SETTINGS_NAMESPACE } from '../src/onboarding-copy.ts'
+
+class MemorySettings extends Settings {
+  readonly writable = true
+  protected load(): Promise<Record<string, unknown>> { return Promise.resolve({}) }
+  protected persist(_ns: SettingsNamespace, _section: Record<string, unknown>): Promise<void> {
+    return Promise.resolve()
+  }
+}
+
+describe('ui-settings-general host', () => {
+  it('registers and disposes the durable onboarding namespace with its fiber', async () => {
+    const ctx = new Context()
+    await ctx.plugin(MemorySettings).await()
+    const fiber = ctx.plugin({ apply })
+    await fiber.await()
+    expect(ctx.settings.describe().map(row => row.ns)).toContain(
+      settingsNamespace(WELCOME_NOTICE_SETTINGS_NAMESPACE),
+    )
+    await fiber.dispose()
+    expect(ctx.settings.describe().map(row => row.ns)).not.toContain(
+      settingsNamespace(WELCOME_NOTICE_SETTINGS_NAMESPACE),
+    )
+  })
+})
diff --git a/packages/client/ui-settings-general/tests/invariant.spec.ts b/packages/client/ui-settings-general/tests/invariant.spec.ts
index 7b0527c0ff..59863a5794 100644
--- a/packages/client/ui-settings-general/tests/invariant.spec.ts
+++ b/packages/client/ui-settings-general/tests/invariant.spec.ts
@@ -9,10 +9,4 @@ describe('invariant companion', () => {
     await ctx.plugin(InvariantService, { enabled: true })
     await expect(ctx.plugin(GeneralInvariant).await()).resolves.toBeDefined()
   })
-
-  it('node-half apply is a no-op host placeholder', async () => {
-    const { apply } = await import('@deepseek-ai/dsh-client-ui-settings-general')
-    apply()
-    expect(true).toBe(true) // reaching here without throw is the contract
-  })
 })
diff --git a/packages/client/ui-settings-general/tests/welcome-notice.spec.tsx b/packages/client/ui-settings-general/tests/welcome-notice.spec.tsx
new file mode 100644
index 0000000000..9ede91859b
--- /dev/null
+++ b/packages/client/ui-settings-general/tests/welcome-notice.spec.tsx
@@ -0,0 +1,105 @@
+// @vitest-environment jsdom
+import { act, cleanup, fireEvent, render, screen } from '@testing-library/react'
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import { bindSnapshotSelector } from '@deepseek-ai/dsh-client-web-react'
+import { WelcomeNotice } from '../src/client/WelcomeNotice.tsx'
+import type { WelcomeNoticeProps } from '../src/client/WelcomeNotice.tsx'
+import { WelcomeNoticeStore } from '../src/client/welcome-store.ts'
+import { zh } from '../src/client/locales.ts'
+import {
+  WELCOME_NOTICE_ACK_FIELD, WELCOME_NOTICE_COPY, WELCOME_NOTICE_SETTINGS_NAMESPACE,
+  WELCOME_NOTICE_VERSION,
+} from '../src/onboarding-copy.ts'
+
+afterEach(cleanup)
+
+function response<T>(value: T) {
+  return { rpcId: 'welcome-rpc' as never, result: { ok: true as const, value } }
+}
+
+function mount(version?: string, mutateImpl: () => Promise<unknown> = () => Promise.resolve(response({}))) {
+  const mutate = vi.fn(mutateImpl)
+  const api = {
+    settings: {
+      describe: () => Promise.resolve(response({
+        writable: true,
+        namespaces: [{
+          ns: WELCOME_NOTICE_SETTINGS_NAMESPACE,
+          schema: {},
+          value: version === undefined ? {} : { [WELCOME_NOTICE_ACK_FIELD]: version },
+          applies: 'live' as const,
+          secrets: [],
+          revision: 0,
+        }],
+      })),
+      mutate,
+    },
+  }
+  const controller = new WelcomeNoticeStore(api as never)
+  const complete = vi.fn()
+  const unusedHook = (() => { throw new Error('unused standard hook') }) as never
+  const props: WelcomeNoticeProps = {
+    stepId: 'welcome-notice',
+    complete,
+    openSection: vi.fn(),
+    useSessions: unusedHook,
+    useWorkspaces: unusedHook,
+    controller,
+    useSnapshot: bindSnapshotSelector(controller.store),
+    t: key => key in zh ? zh[key as keyof typeof zh] : key,
+  }
+  return { ...render(<WelcomeNotice {...props} />), complete, controller, mutate }
+}
+
+describe('WelcomeNotice', () => {
+  it('uses the same Chinese owner copy in both GUI locales', () => {
+    expect(WELCOME_NOTICE_COPY.en).toEqual(WELCOME_NOTICE_COPY.zh)
+  })
+
+  it('renders the owner copy with one primary action and no dismissal control', async () => {
+    const h = mount()
+    const page = await screen.findByRole('region', { name: WELCOME_NOTICE_COPY.zh.title })
+    expect(screen.getByText(WELCOME_NOTICE_COPY.zh.title)).toBeTruthy()
+    for (const text of WELCOME_NOTICE_COPY.zh.paragraphs) expect(page.textContent).toContain(text)
+    expect(page.textContent?.match(/感谢您愿意拨冗试用 DeepSeek Harness/g) ?? []).toHaveLength(1)
+    const buttons = page.querySelectorAll('button')
+    expect(buttons).toHaveLength(1)
+    expect(screen.getByRole('button', { name: WELCOME_NOTICE_COPY.zh.continueLabel })).toBeTruthy()
+    expect(document.activeElement).toBe(screen.getByRole('heading', { name: WELCOME_NOTICE_COPY.zh.title }))
+    fireEvent.keyDown(document, { key: 'Escape' })
+    expect(h.complete).not.toHaveBeenCalled()
+    expect(screen.getByRole('region')).toBeTruthy()
+  })
+
+  it('completes only after the acknowledgement write commits', async () => {
+    const h = mount()
+    await screen.findByRole('region')
+    fireEvent.click(screen.getByRole('button', { name: WELCOME_NOTICE_COPY.zh.continueLabel }))
+    await act(async () => { await Promise.resolve() })
+    expect(h.mutate).toHaveBeenCalledOnce()
+    expect(h.complete).toHaveBeenCalledOnce()
+  })
+
+  it('skips itself when this exact version was already acknowledged', async () => {
+    const h = mount(WELCOME_NOTICE_VERSION)
+    await act(async () => { await h.controller.load() })
+    expect(screen.queryByRole('region')).toBeNull()
+    expect(h.complete).toHaveBeenCalledOnce()
+  })
+
+  it('keeps the sole action disabled while saving and reports a refused write', async () => {
+    let resolveWrite!: (value: unknown) => void
+    const write = new Promise<unknown>((resolve) => { resolveWrite = resolve })
+    const h = mount(undefined, () => write)
+    await screen.findByRole('region')
+    const action = screen.getByRole<HTMLButtonElement>('button', { name: WELCOME_NOTICE_COPY.zh.continueLabel })
+    fireEvent.click(action)
+    expect(action.disabled).toBe(true)
+    resolveWrite({
+      rpcId: 'welcome-refused' as never,
+      result: { ok: false, error: { code: 'settings-rejected', message: 'read only', details: { ns: WELCOME_NOTICE_SETTINGS_NAMESPACE } } },
+    })
+    expect((await screen.findByRole('alert')).textContent).toBe('暂时无法保存确认状态，请重试。')
+    expect(h.complete).not.toHaveBeenCalled()
+  })
+})
diff --git a/packages/client/ui-settings-general/tests/welcome-store.spec.ts b/packages/client/ui-settings-general/tests/welcome-store.spec.ts
new file mode 100644
index 0000000000..28c7b0509c
--- /dev/null
+++ b/packages/client/ui-settings-general/tests/welcome-store.spec.ts
@@ -0,0 +1,166 @@
+import { describe, expect, it, vi } from 'vitest'
+import type { RpcResponse } from '@deepseek-ai/dsh-client-connection/client'
+import { WelcomeNoticeStore } from '../src/client/welcome-store.ts'
+import { refreshWelcomeIfLoaded } from '../src/client/welcome-store.ts'
+import {
+  WELCOME_NOTICE_ACK_FIELD, WELCOME_NOTICE_SETTINGS_NAMESPACE, WELCOME_NOTICE_VERSION,
+} from '../src/onboarding-copy.ts'
+
+let rpc = 0
+function ok<T>(value: T): RpcResponse<T> {
+  return { rpcId: `welcome-${rpc++}` as never, result: { ok: true, value } }
+}
+
+function namespace(version?: string) {
+  return {
+    ns: WELCOME_NOTICE_SETTINGS_NAMESPACE,
+    schema: {},
+    value: version === undefined ? {} : { [WELCOME_NOTICE_ACK_FIELD]: version },
+    applies: 'live' as const,
+    secrets: [],
+    revision: 0,
+  }
+}
+
+function deferred<T>() {
+  let resolve!: (value: T) => void
+  let reject!: (reason: unknown) => void
+  const promise = new Promise<T>((res, rej) => { resolve = res; reject = rej })
+  return { promise, resolve, reject }
+}
+
+describe('WelcomeNoticeStore', () => {
+  it('acknowledges only the exact current copy version', async () => {
+    for (const [version, acknowledged] of [
+      [undefined, false],
+      ['older-copy', false],
+      [WELCOME_NOTICE_VERSION, true],
+    ] as const) {
+      const api = {
+        settings: {
+          describe: vi.fn(() => Promise.resolve(ok({ writable: true, namespaces: [namespace(version)] }))),
+        },
+      }
+      const controller = new WelcomeNoticeStore(api as never)
+      await controller.load()
+      expect(controller.store.getSnapshot()).toMatchObject({ status: 'ready', acknowledged })
+    }
+  })
+
+  it('persists the owner version through one idempotent path mutation', async () => {
+    const mutate = vi.fn(() => Promise.resolve(ok(namespace(WELCOME_NOTICE_VERSION))))
+    const controller = new WelcomeNoticeStore({ settings: { mutate } } as never)
+    await expect(controller.acknowledge()).resolves.toBe(true)
+    expect(mutate).toHaveBeenCalledWith({
+      ns: WELCOME_NOTICE_SETTINGS_NAMESPACE,
+      ops: [{ op: 'set', path: [WELCOME_NOTICE_ACK_FIELD], value: WELCOME_NOTICE_VERSION }],
+    })
+    expect(controller.store.getSnapshot()).toMatchObject({ status: 'ready', acknowledged: true })
+  })
+
+  it('keeps the notice pending when loading or persistence fails', async () => {
+    const load = new WelcomeNoticeStore({
+      settings: { describe: () => Promise.reject(new Error('offline')) },
+    } as never)
+    await load.load()
+    expect(load.store.getSnapshot()).toEqual({ status: 'error', acknowledged: false, error: 'offline' })
+
+    const save = new WelcomeNoticeStore({
+      settings: { mutate: () => Promise.reject(new Error('disk full')) },
+    } as never)
+    await expect(save.acknowledge()).resolves.toBe(false)
+    expect(save.store.getSnapshot()).toEqual({ status: 'error', acknowledged: false, error: 'disk full' })
+
+    const nonError = new WelcomeNoticeStore({
+      // Durable/wire failures are unknown; exercise containment of a non-Error rejection.
+      // oxlint-disable-next-line typescript/prefer-promise-reject-errors
+      settings: { describe: () => Promise.reject('offline string') },
+    } as never)
+    await nonError.load()
+    expect(nonError.store.getSnapshot().error).toBe('offline string')
+  })
+
+  it('reports business failures, missing namespaces, and malformed durable values', async () => {
+    for (const describe of [
+      () => Promise.resolve({
+        rpcId: 'failed' as never,
+        result: { ok: false as const, error: { code: 'internal' as const, message: 'denied', details: {} } },
+      }),
+      () => Promise.resolve(ok({ writable: true, namespaces: [] })),
+    ]) {
+      const controller = new WelcomeNoticeStore({ settings: { describe } } as never)
+      await controller.load()
+      expect(controller.store.getSnapshot().status).toBe('error')
+    }
+
+    for (const value of [null, 42, { [WELCOME_NOTICE_ACK_FIELD]: 42 }]) {
+      const controller = new WelcomeNoticeStore({
+        settings: { describe: () => Promise.resolve(ok({
+          writable: true,
+          namespaces: [{ ...namespace(), value }],
+        })) },
+      } as never)
+      await controller.load()
+      expect(controller.store.getSnapshot()).toMatchObject({ status: 'ready', acknowledged: false })
+    }
+
+    const save = new WelcomeNoticeStore({
+      settings: { mutate: () => Promise.resolve({
+        rpcId: 'failed-save' as never,
+        result: { ok: false, error: { code: 'settings-rejected', message: 'denied', details: { ns: WELCOME_NOTICE_SETTINGS_NAMESPACE } } },
+      }) },
+    } as never)
+    await expect(save.acknowledge()).resolves.toBe(false)
+    expect(save.store.getSnapshot().error).toBe('denied')
+  })
+
+  it('lets the latest load win over stale success and failure', async () => {
+    const first = deferred<ReturnType<typeof ok>>()
+    const describe = vi.fn()
+      .mockImplementationOnce(() => first.promise)
+      .mockImplementationOnce(() => Promise.resolve(ok({ writable: true, namespaces: [namespace()] })))
+    const controller = new WelcomeNoticeStore({ settings: { describe } } as never)
+    const stale = controller.load()
+    await controller.load()
+    first.resolve(ok({ writable: true, namespaces: [namespace(WELCOME_NOTICE_VERSION)] }))
+    await stale
+    expect(controller.store.getSnapshot().acknowledged).toBe(false)
+
+    const failed = deferred<ReturnType<typeof ok>>()
+    describe
+      .mockImplementationOnce(() => failed.promise)
+      .mockImplementationOnce(() => Promise.resolve(ok({ writable: true, namespaces: [namespace(WELCOME_NOTICE_VERSION)] })))
+    const staleFailure = controller.load()
+    await controller.load()
+    failed.reject('stale failure')
+    await staleFailure
+    expect(controller.store.getSnapshot()).toMatchObject({ status: 'ready', acknowledged: true, error: null })
+  })
+
+  it('contains stale acknowledgement settlements and refreshes only a loaded store', async () => {
+    const write = deferred<ReturnType<typeof ok>>()
+    const describe = vi.fn(() => Promise.resolve(ok({ writable: true, namespaces: [namespace()] })))
+    const controller = new WelcomeNoticeStore({
+      settings: { mutate: () => write.promise, describe },
+    } as never)
+    refreshWelcomeIfLoaded(controller)
+    expect(describe).not.toHaveBeenCalled()
+    const staleWrite = controller.acknowledge()
+    await controller.load()
+    write.resolve(ok(namespace(WELCOME_NOTICE_VERSION)))
+    await expect(staleWrite).resolves.toBe(true)
+    expect(controller.store.getSnapshot().acknowledged).toBe(false)
+    refreshWelcomeIfLoaded(controller)
+    await vi.waitFor(() => { expect(describe).toHaveBeenCalledTimes(2) })
+
+    const failedWrite = deferred<ReturnType<typeof ok>>()
+    const staleFailure = new WelcomeNoticeStore({
+      settings: { mutate: () => failedWrite.promise, describe },
+    } as never)
+    const pending = staleFailure.acknowledge()
+    await staleFailure.load()
+    failedWrite.reject('late failure')
+    await expect(pending).resolves.toBe(false)
+    expect(staleFailure.store.getSnapshot().status).toBe('ready')
+  })
+})
diff --git a/packages/client/ui-settings-general/tsconfig.json b/packages/client/ui-settings-general/tsconfig.json
index 5ef01ba51c..5e37578f91 100644
--- a/packages/client/ui-settings-general/tsconfig.json
+++ b/packages/client/ui-settings-general/tsconfig.json
@@ -14,6 +14,9 @@
     {
       "path": "../ui-slots"
     },
+    {
+      "path": "../connection"
+    },
     {
       "path": "../ui-primitives"
     },
@@ -23,9 +26,15 @@
     {
       "path": "../ui-settings"
     },
+    {
+      "path": "../web-react"
+    },
     {
       "path": "../locale"
     },
+    {
+      "path": "../../settings/settings"
+    },
     {
       "path": "../../support/invariants"
     }
diff --git a/packages/client/ui-settings/README.i18n.yaml b/packages/client/ui-settings/README.i18n.yaml
index 654235e895..668853e41f 100644
--- a/packages/client/ui-settings/README.i18n.yaml
+++ b/packages/client/ui-settings/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/ui-settings/README.md
-README.md: eaa588489bbb6369a9fe073f0a9a37efb3af7d9f
-README.zh.md: 4330ea90e487270c8da31dace3d531d94f61b8de
+README.md: 14c78c83467313a6efa7033c31fb9c9b1cd94e0c
+README.zh.md: 8831842d03db4572f1dca5547b84c0d8a3be8f2d
diff --git a/packages/client/ui-settings/README.md b/packages/client/ui-settings/README.md
index eaa588489b..14c78c8346 100644
--- a/packages/client/ui-settings/README.md
+++ b/packages/client/ui-settings/README.md
@@ -2,9 +2,9 @@
 
 English | [中文](README.zh.md)
 
-Settings shell plugin: a pure composition face. It occupies `sidebar.settings` with the trigger chrome and modal settings panel, and declares the slots registrants fill: `settings.trigger` / `settings.header` / `settings.close` (chrome content), `settings.section` (one page per feature), and `settings.onboarding` (feature-owned overlays on the empty Hero). The shell ships no copy of its own — all text arrives from registrants (ui-settings-general owns chrome and General; features own their sections, rows, and onboarding overlays). Nav labels may be locale-following thunks, so the nav projection resolves them through `resolveSlotLabel` and re-renders on the section ledger bump or the locale revision (an optional `ctx.get('locale')` read; no hard locale dependency).
+Settings shell plugin: a pure composition face. It occupies `sidebar.settings` with the trigger chrome and modal settings panel, and declares the slots registrants fill: `settings.trigger` / `settings.header` / `settings.close` (chrome content), `settings.section` (one page per feature), and `settings.onboarding` (ordered feature-owned pages in a full-viewport stage). The shell ships no copy of its own — all text arrives from registrants (ui-settings-general owns chrome, General, and the product notice; features own their sections, rows, and conditional onboarding pages). Nav labels may be locale-following thunks, so the nav projection resolves them through `resolveSlotLabel` and re-renders on the section ledger bump or the locale revision (an optional `ctx.get('locale')` read; no hard locale dependency).
 
-The shell supplies onboarding registrants only two navigation facts: whether the session surface is the empty Hero and an `openSection(id)` callback that opens the panel on a registered section. Registrants own capability readiness, dismissal, copy, and mutations; the shell therefore does not become a second configuration fact source.
+The shell projects the onboarding ledger into ascending order and mounts exactly one page at a time in a body-level stage while marking the underlying app root inert. The active registrant receives its id, `complete()`, and an `openSection(id)` callback; completing or skipping transfers ownership to the next entry. Registrants own durable completion, capability readiness, copy, and mutations, so independently registered flows cannot stack and the shell does not become a second configuration fact source.
 
 ## Model Experience
 
diff --git a/packages/client/ui-settings/README.zh.md b/packages/client/ui-settings/README.zh.md
index 4330ea90e4..8831842d03 100644
--- a/packages/client/ui-settings/README.zh.md
+++ b/packages/client/ui-settings/README.zh.md
@@ -2,9 +2,9 @@
 
 [English](README.md) | 中文
 
-设置外壳插件：一个纯组合表层。它以触发控件和模态设置面板占用 `sidebar.settings`，并声明由注册方填充的 slot：`settings.trigger`／`settings.header`／`settings.close`（界面框架内容）、`settings.section`（每项功能一页）和 `settings.onboarding`（由各功能持有、覆盖在空白 Hero 之上的浮层）。外壳不自带文案：所有文本都来自注册方（ui-settings-general 拥有界面框架和「通用」分区；各功能拥有各自的分区、行和首次使用浮层）。导航 label 可以是跟随语言的 thunk，因此导航投影经 `resolveSlotLabel` 解析，并在分区账本更新或 locale revision 变化时重新渲染（`ctx.get('locale')` 可选读取，无硬 locale 依赖）。
+设置外壳插件：一个纯组合表层。它以触发控件和模态设置面板占用 `sidebar.settings`，并声明由注册方填充的 slot：`settings.trigger`／`settings.header`／`settings.close`（界面框架内容）、`settings.section`（每项功能一页）和 `settings.onboarding`（由各功能持有、显示在全视口展示层中的有序页面）。外壳不自带文案：所有文本都来自注册方（ui-settings-general 拥有界面框架、「通用」分区和产品声明；各功能拥有各自的分区、行和条件式首次使用引导页面）。导航 label 可以是跟随语言的 thunk，因此导航投影经 `resolveSlotLabel` 解析，并在分区账本更新或 locale revision 变化时重新渲染（`ctx.get('locale')` 可选读取，无硬 locale 依赖）。
 
-外壳只向首次使用注册方提供两个导航事实：当前会话界面是否为空白 Hero，以及一个 `openSection(id)` 回调；后者会打开设置面板并切换到已注册的指定分区。能力就绪状态、浮层关闭、文案和变更操作均由注册方持有，因此外壳不会成为第二个配置事实来源。
+外壳将首次使用引导记录按升序投影，在 body 层级的展示层中每次只挂载一个页面，同时将下层应用根节点标记为 `inert`。当前注册方会收到该条目的 id、`complete()` 和 `openSection(id)` 回调；完成或跳过当前页面后，所有权转交给下一项。持久化完成状态、能力就绪状态、文案和变更操作均由注册方持有，因此独立注册的流程无法堆叠，外壳也不会成为第二个配置事实来源。
 
 ## 模型体验
 
diff --git a/packages/client/ui-settings/package.json b/packages/client/ui-settings/package.json
index 0a6fce95af..d4b872173f 100644
--- a/packages/client/ui-settings/package.json
+++ b/packages/client/ui-settings/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@deepseek-ai/dsh-client-ui-settings",
-  "description": "Settings shell plugin: sidebar trigger, modal panel, feature sections, and root-scoped onboarding overlays",
+  "description": "Settings shell plugin: sidebar trigger, modal panel, feature sections, and an ordered full-page onboarding stage",
   "version": "0.0.1",
   "private": true,
   "type": "module",
@@ -43,7 +43,8 @@
     "@deepseek-ai/dsh-client-ui-slots": "^0.0.1",
     "@deepseek-ai/dsh-invariants": "^0.0.1",
     "cordis": "^4.0.0-rc.7",
-    "react": "^18.2.0"
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0"
   },
   "devDependencies": {
     "@deepseek-ai/dsh-client-locale": "workspace:^",
@@ -52,9 +53,11 @@
     "@deepseek-ai/dsh-client-ui-sidebar": "workspace:^",
     "@deepseek-ai/dsh-client-ui-slots": "workspace:^",
     "@deepseek-ai/dsh-invariants": "workspace:^",
+    "@types/react-dom": "~18.3.0",
     "@types/react": "~18.3.1",
     "cordis": "^4.0.0-rc.7",
-    "react": "^18.2.0"
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0"
   },
   "files": [
     "lib/index.js",
diff --git a/packages/client/ui-settings/src/client/SettingsRoot.module.css b/packages/client/ui-settings/src/client/SettingsRoot.module.css
index 04eaf14d2b..817ab38d9a 100644
--- a/packages/client/ui-settings/src/client/SettingsRoot.module.css
+++ b/packages/client/ui-settings/src/client/SettingsRoot.module.css
@@ -209,3 +209,33 @@
   clip: rect(0 0 0 0);
   white-space: nowrap;
 }
+
+/* First-run stage: keep the product top bar visible, then let onboarding own
+   the complete workspace instead of presenting another settings modal. */
+.onboardingOverlay {
+  position: fixed;
+  inset: 0;
+  z-index: 1100;
+}
+
+/* Mask */
+.onboardingMask {
+  position: absolute;
+  left: 0px;
+  right: 0px;
+  top: 80px;
+  bottom: 0px;
+  background: rgba(0, 0, 0, 0.24);
+  /* Mask-blur */
+  backdrop-filter: blur(2px);
+}
+
+.onboardingStage {
+  position: absolute;
+  z-index: 1;
+  inset: 0;
+  display: flex;
+  justify-content: center;
+  overflow: hidden;
+  background: var(--dsw-alias-bg-layer-1);
+}
diff --git a/packages/client/ui-settings/src/client/SettingsRoot.tsx b/packages/client/ui-settings/src/client/SettingsRoot.tsx
index cfa3ac6cef..3eefbd4ef1 100644
--- a/packages/client/ui-settings/src/client/SettingsRoot.tsx
+++ b/packages/client/ui-settings/src/client/SettingsRoot.tsx
@@ -6,10 +6,11 @@
  * names resolve to that content (trigger: its own text; dialog:
  * aria-labelledby the title node; close: visually-hidden slot text). Modal
  * open state and the active section id are component-local viewing state;
- * the onboarding slot receives the sessions-derived empty-Hero fact and a
- * private callback that opens one registered section.
+ * the onboarding coordinator mounts exactly one ordered registrant while the
+ * sessions-derived empty-Hero fact is active.
  */
 import { useCallback, useEffect, useId, useRef, useState } from 'react'
+import { createPortal } from 'react-dom'
 import clsx from 'clsx'
 import { IconCloseOutline16, IconDataOutline16, IconSettingsOutline16 } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { SettingsRootComponentProps, SettingsSectionRow } from './contract/slots.ts'
@@ -95,9 +96,10 @@ function SettingsPanel({ rows, renderSlot, activeId, onSelect, onClose }: PanelP
  * @returns the settings shell element tree.
  */
 export function SettingsRoot(props: SettingsRootComponentProps) {
-  const { wide, useSections, useSessions, renderSlot } = props
+  const { wide, useSections, useOnboardingSteps, useSessions, renderSlot } = props
   const [open, setOpen] = useState(false)
   const [activeId, setActiveId] = useState<string | undefined>(undefined)
+  const [completedOnboarding, setCompletedOnboarding] = useState<ReadonlySet<string>>(() => new Set())
   const close = useCallback(() => {
     setOpen(false)
     setActiveId(undefined)
@@ -111,9 +113,33 @@ export function SettingsRoot(props: SettingsRootComponentProps) {
   // freshly localized text on locale change, and the trigger/header/close
   // seats re-render through their own outlets' subscriptions.
   const rows = useSections(s => s)
+  const onboardingSteps = useOnboardingSteps(s => s)
   const onboardingActive = useSessions(state =>
     state.phase === 'ready'
     && (state.current === undefined || state.byId[state.current]?.blank === true))
+  const onboardingStep = onboardingActive
+    ? onboardingSteps.find(step => !completedOnboarding.has(step.id))
+    : undefined
+
+  useEffect(() => {
+    if (onboardingActive) return
+    setCompletedOnboarding(new Set())
+  }, [onboardingActive])
+
+  const completeOnboardingStep = useCallback((id: string) => {
+    setCompletedOnboarding((previous) => {
+      if (previous.has(id)) return previous
+      return new Set([...previous, id])
+    })
+  }, [])
+
+  useEffect(() => {
+    if (onboardingStep === undefined) return
+    const appRoot = document.getElementById('root')
+    if (appRoot === null) return
+    appRoot.inert = true
+    return () => { appRoot.inert = false }
+  }, [onboardingStep])
 
   return (
     <>
@@ -135,7 +161,18 @@ export function SettingsRoot(props: SettingsRootComponentProps) {
           onClose={close}
         />
       )}
-      {renderSlot('settings.onboarding', { active: onboardingActive, openSection })}
+      {onboardingStep !== undefined && createPortal((
+        <div className={css.onboardingOverlay} role="presentation">
+          <div className={css.onboardingMask} aria-hidden="true" />
+          <div className={css.onboardingStage}>
+            {renderSlot('settings.onboarding', {
+              stepId: onboardingStep.id,
+              complete: () => { completeOnboardingStep(onboardingStep.id) },
+              openSection,
+            }, { only: onboardingStep.id })}
+          </div>
+        </div>
+      ), document.body)}
     </>
   )
 }
diff --git a/packages/client/ui-settings/src/client/contract/slots.ts b/packages/client/ui-settings/src/client/contract/slots.ts
index 37847832bf..4d5e48d80f 100644
--- a/packages/client/ui-settings/src/client/contract/slots.ts
+++ b/packages/client/ui-settings/src/client/contract/slots.ts
@@ -48,10 +48,10 @@ declare module '@deepseek-ai/dsh-client-ui-slots' {
      */
     'settings.section': { kind: 'list'; scope: 'root'; owner: SettingsSectionOwnerProps }
     /**
-     * Root-scoped onboarding overlays contributed by settings features. The
-     * shell supplies whether the current navigation state is the empty Hero
-     * and a private callback that opens one settings section; registrants own
-     * readiness, copy, and dialog behavior.
+     * Root-scoped onboarding steps contributed by settings features. The
+     * shell mounts one ordered step at a time; the active registrant either
+     * completes itself or keeps ownership until the user completes its sole
+     * path. Registrants own readiness, copy, and dialog behavior.
      */
     'settings.onboarding': { kind: 'list'; scope: 'root'; owner: SettingsOnboardingOwnerProps }
   }
@@ -79,10 +79,12 @@ export interface SettingsSectionOwnerProps {
   children?: never
 }
 
-/** Owner share of a settings-backed onboarding overlay. */
+/** Owner share of the currently active settings-backed onboarding step. */
 export interface SettingsOnboardingOwnerProps {
-  /** Whether the current UI is in its empty Hero/onboarding state. */
-  active: boolean
+  /** Stable id of the step currently selected by the coordinator. */
+  stepId: string
+  /** Complete or skip this step and transfer ownership to the next entry. */
+  complete: () => void
   /** Open the settings panel directly on one registered section. */
   openSection: (id: string) => void
 }
@@ -94,6 +96,12 @@ export interface SettingsSectionRow {
   label: string
 }
 
+/** One ordered onboarding step projected from a slot registration. */
+export interface SettingsOnboardingStep {
+  id: string
+  order: number
+}
+
 /**
  * Registrant-private injected share of the settings shell (assembled in
  * apply): the ledger's nav-row projection as a hooks-compartment source —
@@ -103,6 +111,8 @@ export type SettingsRootInjected = {
   hooks: {
     /** settings.section ledger projected into ordered nav rows. */
     sections: HostObservable<readonly SettingsSectionRow[]>
+    /** settings.onboarding ledger projected into coordinator order. */
+    onboardingSteps: HostObservable<readonly SettingsOnboardingStep[]>
   }
 }
 
diff --git a/packages/client/ui-settings/src/client/index.ts b/packages/client/ui-settings/src/client/index.ts
index 277e036f0d..18719bb042 100644
--- a/packages/client/ui-settings/src/client/index.ts
+++ b/packages/client/ui-settings/src/client/index.ts
@@ -2,10 +2,10 @@
  * Settings shell plugin, browser half. A pure composition face: occupies the
  * sidebar-owned `sidebar.settings` hole with the trigger chrome + modal
  * panel, declares its chrome, section, and onboarding slots, and projects the
- * section ledger into panel navigation. The shell ships no copy and reads no
- * locale state — all text arrives from registrants (ui-settings-general owns
- * the chrome and General content; features own their rows, sections, and
- * onboarding overlays). Export discipline: packages/client/AGENTS.md.
+ * section ledger into panel navigation. The shell ships no copy; it reads the
+ * optional locale revision only to resolve registrant-owned nav-label thunks.
+ * ui-settings-general owns the chrome and General content; features own their
+ * rows, sections, and onboarding pages. Export discipline: packages/client/AGENTS.md.
  */
 import type { ClientContext } from '@deepseek-ai/dsh-client-runtime/client'
 // Type-only: the ctx.locale Context merge for the optional ctx.get('locale')
@@ -13,12 +13,15 @@ import type { ClientContext } from '@deepseek-ai/dsh-client-runtime/client'
 // copy of its own and takes no hard locale dependency).
 import type {} from '@deepseek-ai/dsh-client-locale/client'
 import { deferRegistration, resolveSlotLabel } from '@deepseek-ai/dsh-client-ui-slots'
-import type { SettingsRootInjected, SettingsSectionRow } from './contract/slots.ts'
+import type {
+  SettingsOnboardingStep, SettingsRootInjected, SettingsSectionRow,
+} from './contract/slots.ts'
 import { SettingsRoot } from './SettingsRoot.tsx'
 
 export type {
   SettingsHeaderOwnerProps, SettingsRootComponentProps, SettingsRootInjected,
-  SettingsOnboardingOwnerProps, SettingsSectionOwnerProps, SettingsSectionRow, SettingsTriggerOwnerProps,
+  SettingsOnboardingOwnerProps, SettingsOnboardingStep, SettingsSectionOwnerProps,
+  SettingsSectionRow, SettingsTriggerOwnerProps,
 } from './contract/slots.ts'
 
 /**
@@ -42,6 +45,8 @@ export function apply(ctx: ClientContext): void {
   let rowsVersion = -1
   let rowsRevision = -1
   let rows: readonly SettingsSectionRow[] = []
+  let onboardingVersion = -1
+  let onboardingSteps: readonly SettingsOnboardingStep[] = []
   const localeRevision = (): number => ctx.get('locale')?.getSnapshot().revision ?? 0
   const injected = (): SettingsRootInjected => ({
     hooks: {
@@ -72,6 +77,23 @@ export function apply(ctx: ClientContext): void {
           }
         },
       },
+      onboardingSteps: {
+        getSnapshot: () => {
+          const version = ctx.slots.getVersion('settings.onboarding')
+          if (version !== onboardingVersion) {
+            onboardingVersion = version
+            onboardingSteps = ctx.slots.entries('settings.onboarding')
+              .map(e => ({
+                /* v8 ignore next -- list-slot registration requires id */
+                id: e.options.id ?? '',
+                order: e.options.order ?? 0,
+              }))
+              .sort((a, b) => a.order - b.order)
+          }
+          return onboardingSteps
+        },
+        subscribe: listener => ctx.slots.subscribe('settings.onboarding', listener),
+      },
     },
   })
   ctx.effect(() => {
diff --git a/packages/client/ui-settings/tests/apply.spec.ts b/packages/client/ui-settings/tests/apply.spec.ts
index de50c88d87..48b63bc0a0 100644
--- a/packages/client/ui-settings/tests/apply.spec.ts
+++ b/packages/client/ui-settings/tests/apply.spec.ts
@@ -83,6 +83,29 @@ describe('ui-settings apply', () => {
     off()
   })
 
+  it('projects onboarding entries into stable coordinator order', async () => {
+    const b = await bench()
+    declare(b.slots)
+    await b.ctx.plugin({ inject: [...inject], apply }).await()
+    const { onboardingSteps } = injectedOf(b.slots).hooks
+    b.slots.register({ name: 'settings.onboarding', id: 'credential', order: 0 } as never, () => null)
+    b.slots.register({ name: 'settings.onboarding', id: 'welcome', order: -100 } as never, () => null)
+    b.slots.register({ name: 'settings.onboarding', id: 'default-order' } as never, () => null)
+    const steps = onboardingSteps.getSnapshot()
+    expect(steps).toEqual([
+      { id: 'welcome', order: -100 },
+      { id: 'credential', order: 0 },
+      { id: 'default-order', order: 0 },
+    ])
+    expect(onboardingSteps.getSnapshot()).toBe(steps)
+    const listener = vi.fn()
+    const off = onboardingSteps.subscribe(listener)
+    b.slots.register({ name: 'settings.onboarding', id: 'later', order: 10 } as never, () => null)
+    await Promise.resolve()
+    expect(listener).toHaveBeenCalledOnce()
+    off()
+  })
+
   it('re-registers after an HMR collapse re-declares the slot (stale disposer must not block)', async () => {
     const b = await bench()
     const redeclare = declare(b.slots)
diff --git a/packages/client/ui-settings/tests/settings-root.spec.tsx b/packages/client/ui-settings/tests/settings-root.spec.tsx
index a7df311672..0ddb8f98d9 100644
--- a/packages/client/ui-settings/tests/settings-root.spec.tsx
+++ b/packages/client/ui-settings/tests/settings-root.spec.tsx
@@ -8,6 +8,7 @@ import { SettingsRoot } from '../src/client/SettingsRoot.tsx'
 afterEach(cleanup)
 
 type Row = { id: string; order: number; label: string }
+type Step = { id: string; order: number }
 
 /** Slot-content stand-ins: the shell renders whatever the seats contribute. */
 const SEAT_CONTENT: Record<string, string> = {
@@ -23,7 +24,11 @@ function mount({
     { id: 'general', order: 0, label: 'General' },
     { id: 'models', order: 10, label: 'Models' },
   ],
-}: { wide?: boolean; onboardingActive?: boolean; rows?: Row[] } = {}) {
+  steps = [
+    { id: 'welcome', order: -100 },
+    { id: 'credential', order: 0 },
+  ],
+}: { wide?: boolean; onboardingActive?: boolean; rows?: Row[]; steps?: Step[] } = {}) {
   // Mutable row source standing in for the bound useSections hook; bump()
   // plays a ledger change through the same observable contract.
   let current = rows
@@ -46,6 +51,7 @@ function mount({
     useSessions,
     useWorkspaces: unusedHook,
     wide,
+    useOnboardingSteps: select => select(steps),
     useSections: (select) => {
       const [, force] = useState(0)
       useEffect(() => {
@@ -164,20 +170,41 @@ describe('SettingsPanel navigation', () => {
     expect(screen.queryByTestId('section-general')).toBeNull()
   })
 
-  it('hands Hero readiness and a direct section opener to onboarding registrants', () => {
+  it('mounts onboarding steps in order and transfers ownership only on completion', () => {
     const { renderSlot } = mount()
-    const onboardingCall = renderSlot.mock.calls.find(call => call[0] === 'settings.onboarding')
-    expect(onboardingCall?.[1]).toMatchObject({ active: true })
+    const first = renderSlot.mock.calls.find(call => call[0] === 'settings.onboarding')
+    expect(first?.[1]).toMatchObject({ stepId: 'welcome' })
+    expect(first?.[2]).toEqual({ only: 'welcome' })
     act(() => {
-      (onboardingCall?.[1] as { openSection: (id: string) => void }).openSection('models')
+      (first?.[1] as { complete: () => void }).complete()
+      ;(first?.[1] as { complete: () => void }).complete()
+    })
+    const onboardingCalls = renderSlot.mock.calls.filter(call => call[0] === 'settings.onboarding')
+    const second = onboardingCalls.at(-1)
+    expect(second?.[1]).toMatchObject({ stepId: 'credential' })
+    expect(second?.[2]).toEqual({ only: 'credential' })
+
+    act(() => {
+      (second?.[1] as { openSection: (id: string) => void }).openSection('models')
     })
     expect(screen.getByRole('dialog')).toBeTruthy()
     expect(screen.getByTestId('section-models')).toBeTruthy()
 
     cleanup()
-    const active = mount({ onboardingActive: false }).renderSlot.mock.calls
-      .find(call => call[0] === 'settings.onboarding')
-    expect(active?.[1]).toMatchObject({ active: false })
+    const inactive = mount({ onboardingActive: false }).renderSlot.mock.calls
+      .filter(call => call[0] === 'settings.onboarding')
+    expect(inactive).toHaveLength(0)
+  })
+
+  it('makes the underlying application inert while onboarding owns the viewport', () => {
+    const appRoot = document.createElement('div')
+    appRoot.id = 'root'
+    document.body.append(appRoot)
+    const { view } = mount()
+    expect(appRoot.inert).toBe(true)
+    view.unmount()
+    expect(appRoot.inert).toBe(false)
+    appRoot.remove()
   })
 
   it('falls back to the first row when the active entry unregisters', () => {
diff --git a/packages/client/ui-sidebar/tests/sidebar-snapshot.spec.tsx b/packages/client/ui-sidebar/tests/sidebar-snapshot.spec.tsx
index 5755882071..847e6ca6e5 100644
--- a/packages/client/ui-sidebar/tests/sidebar-snapshot.spec.tsx
+++ b/packages/client/ui-sidebar/tests/sidebar-snapshot.spec.tsx
@@ -10,10 +10,14 @@
  */
 import { afterEach, describe, expect, it, vi } from 'vitest'
 import { act, cleanup, waitFor } from '@testing-library/react'
-import { SlotTestRuntime } from '@deepseek-ai/dsh-client-test-runtime'
+import { SlotTestRuntime, usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
 import { apply, inject } from '@deepseek-ai/dsh-client-ui-sidebar/client'
 
+// The service reads its initial locale from the browser; these specs assert
+// the shipped Chinese copy, so they state the browser they assume.
+usePinnedBrowserLanguages('zh-CN')
+
 afterEach(cleanup)
 
 /**
diff --git a/packages/client/ui-slash/README.i18n.yaml b/packages/client/ui-slash/README.i18n.yaml
index 494ccdad20..5f1f5f23c4 100644
--- a/packages/client/ui-slash/README.i18n.yaml
+++ b/packages/client/ui-slash/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/ui-slash/README.md
-README.md: 29f1a71ce20f898ffe2ab3a1c6f3d73a7aecfe38
-README.zh.md: 03dac56870de5b083124716825001009b4293736
+README.md: 5d277a83c5f0bc4bcec5871e0618af28afb7b6d2
+README.zh.md: 195aec6b76517fcf5cfc0933eb39b180f03a8628
diff --git a/packages/client/ui-slash/README.md b/packages/client/ui-slash/README.md
index 29f1a71ce2..5d277a83c5 100644
--- a/packages/client/ui-slash/README.md
+++ b/packages/client/ui-slash/README.md
@@ -2,11 +2,11 @@
 
 English | [中文](README.zh.md)
 
-Input trigger pipeline plugin: `/` and `@` detection under the caret (word-boundary + guard-tier rules), the grouped candidate menu, and pick routing to registered sources. `ctx.slash` owns the source roster and resolves one `SlashController` per session scope (`sessionOf`); the conversation wiring layer drives `track`/`arbitrate`/`onSpace`/`adjudicate` on the controller. Sources receive a `ClientSessionContext` projection per call — sessions are always agent-backed, so the projection is the session identity alone. A source is warmed in every session controller it can reach: the roster present at scope birth warms during controller construction, and a source registered later is warmed into every live controller by the registration itself. Sources whose `lexicon` roll changes after warm implement `subscribeLexicon(session, listener)`; the controller re-polls on each notification and publishes the aggregation through its `lexicon` snapshot store. The pipeline is command-agnostic: space/enter adjudication polls the optional `matchSpace`/`matchEnter` hooks in registration order and the first non-undefined answer wins.
+Input trigger pipeline plugin: `/` and `@` detection under the caret (word-boundary + guard-tier rules), the grouped candidate menu, and pick routing to registered sources. `ctx.slash` owns the source roster and resolves one `SlashController` per session scope (`sessionOf`); the conversation wiring layer drives `track`/`arbitrate`/`onSpace`/`adjudicate` on the controller. The same controller exposes `toggleSource` for a chrome launcher to open exactly one registered source over a synthetic selection span; the resulting candidates still use the ordinary menu, keyboard arbitration, pick callback, and scoped input mutations. Sources receive a `ClientSessionContext` projection per call — sessions are always agent-backed, so the projection is the session identity alone. A source is warmed in every session controller it can reach: the roster present at scope birth warms during controller construction, and a source registered later is warmed into every live controller by the registration itself. Sources whose `lexicon` roll changes after warm implement `subscribeLexicon(session, listener)`; the controller re-polls on each notification and publishes the aggregation through its `lexicon` snapshot store. The pipeline is command-agnostic: space/enter adjudication polls the optional `matchSpace`/`matchEnter` hooks in registration order and the first non-undefined answer wins.
 
 Layering: `src/core/` (T2) is the pure core — `detectTrigger`, `menuReduce`/`seedGroups`/`MENU_CLOSED`, `exactMatch`, zero React/DOM/cordis; `src/client/service.ts` is the shell wiring the core to the menu snapshot store, the per-hit candidate fetch (generation-gated, `AbortSignal`-superseded, failed sources drop silently with a console record), and the three pick paths. `src/types.ts` and the two `contract.ts` files are the frozen cross-package contract (design v4 §5.1); changes require main-thread arbitration.
 
-MenuView renders the menu store into the `conversation.input.overlay` slot (list kind, session scope) and renders null while closed. Groups sort by the optional `SlashSource.order` (lower first, default 0, ties keep registration order) under title rows localized through the `slash.menu` locale namespace (an unknown source shows its raw name); the list height clamps to the space above the composer, and a pointer down outside both the menu and the surrounding composer card dismisses it. The slot is owned by ui-conversation's composer entry (anchor, children declaration, lifecycle); its SlotMap type merge lives in this package's `src/client/slots.ts` because the dependency direction (ui-conversation → ui-slash) admits no reverse type import. Combobox pattern: focus stays in the textarea, rows pick on mousedown, the highlight rides `aria-activedescendant`.
+MenuView renders the menu store into the `conversation.input.overlay` slot (list kind, session scope) and renders null while closed. Typed triggers seed every source registered for that trigger; a programmatic launcher seeds only its requested source and publishes the source name through the controller's `launcher` snapshot store until the menu closes or typed tracking resumes. Groups sort by the optional `SlashSource.order` (lower first, default 0, ties keep registration order) under title rows localized through the `slash.menu` locale namespace (an unknown source shows its raw name); the list height clamps to the space above the composer, and a pointer down outside both the menu and the surrounding composer card dismisses it. The slot is owned by ui-conversation's composer entry (anchor, children declaration, lifecycle); its SlotMap type merge lives in this package's `src/client/slots.ts` because the dependency direction (ui-conversation → ui-slash) admits no reverse type import. Combobox pattern: focus stays in the textarea, rows pick on mousedown, the highlight rides `aria-activedescendant`.
 
 The `/client` export surface is the plugin body (`apply`/`inject`), `SlashService`, `MenuViewInjected`, and the contract types. MenuView itself is internal — the slot registration closes over it.
 
diff --git a/packages/client/ui-slash/README.zh.md b/packages/client/ui-slash/README.zh.md
index 03dac56870..195aec6b76 100644
--- a/packages/client/ui-slash/README.zh.md
+++ b/packages/client/ui-slash/README.zh.md
@@ -2,11 +2,11 @@
 
 [English](README.md) | 中文
 
-输入触发流水线插件：光标处的 `/` 与 `@` 检测（词边界 + guard tier 规则）、分组候选菜单，以及把 pick 路由到已注册 source。`ctx.slash` 拥有 source roster，并按会话 scope（`sessionOf`）各解析一个 `SlashController`；对话接线层在 controller 上驱动 `track`／`arbitrate`／`onSpace`／`adjudicate`。source 每次调用收到一个 `ClientSessionContext` 投影——会话始终由 agent（智能体）支撑，因此投影只含会话身份。source 在它能触达的每个会话 controller 中都会被预热：scope 出生时在场的 roster 随 controller 构造预热，晚于此注册的 source 由注册动作本身预热进每个活 controller。`lexicon` 名录在预热后仍会变化的 source 实现 `subscribeLexicon(session, listener)`；controller 每收到通知就重拉，并把聚合结果经其 `lexicon` 快照 store 发布。流水线与命令无关：空格／回车裁决按注册序轮询可选的 `matchSpace`／`matchEnter` 钩子，第一个非 undefined 的应答胜出。
+输入触发流水线插件：光标处的 `/` 与 `@` 检测（词边界 + guard tier 规则）、分组候选菜单，以及把 pick 路由到已注册 source。`ctx.slash` 拥有 source roster，并按会话 scope（`sessionOf`）各解析一个 `SlashController`；对话接线层在 controller 上驱动 `track`／`arbitrate`／`onSpace`／`adjudicate`。同一个 controller 还暴露 `toggleSource`，供 chrome launcher 在一段合成 selection span 上只打开一个已注册 source；所得候选仍走通常的菜单、键盘仲裁、pick callback 与 scoped 输入改写。source 每次调用收到一个 `ClientSessionContext` 投影——会话始终由 agent（智能体）支撑，因此投影只含会话身份。source 在它能触达的每个会话 controller 中都会被预热：scope 出生时在场的 roster 随 controller 构造预热，晚于此注册的 source 由注册动作本身预热进每个活 controller。`lexicon` 名录在预热后仍会变化的 source 实现 `subscribeLexicon(session, listener)`；controller 每收到通知就重拉，并把聚合结果经其 `lexicon` 快照 store 发布。流水线与命令无关：空格／回车裁决按注册序轮询可选的 `matchSpace`／`matchEnter` 钩子，第一个非 undefined 的应答胜出。
 
 分层：`src/core/`（T2）是纯内核——`detectTrigger`、`menuReduce`／`seedGroups`／`MENU_CLOSED`、`exactMatch`，零 React／DOM／cordis；`src/client/service.ts` 是壳层，把内核接到菜单快照 store、逐 hit 候选拉取（以 generation 把关、后继请求经 `AbortSignal` 取代旧请求、失败的 source 静默丢弃并留一条 console 记录）和三条 pick 路径上。`src/types.ts` 与两个 `contract.ts` 文件是冻结的跨包契约（设计 v4 §5.1）；变更需经主线程仲裁。
 
-MenuView 把菜单 store 渲染进 `conversation.input.overlay` slot（列表类，会话 scope），菜单关闭期间渲染 null。分组按可选的 `SlashSource.order` 排序（越小越靠前，默认 0，同值保持注册序），组标题行经 `slash.menu` locale 命名空间本地化（未知 source 显示其原名）；列表高度收敛到 composer 上方的可用空间，指针落在菜单与所在 composer 卡片之外即关闭菜单。该 slot 由 ui-conversation 的组合器条目拥有（锚点、children 声明、生命周期）；其 SlotMap 类型合并放在本包的 `src/client/slots.ts`，因为依赖方向（ui-conversation → ui-slash）不允许反向的类型导入。combobox 模式：焦点始终留在 textarea，行在 mousedown 时完成 pick，高亮由 `aria-activedescendant` 承载。
+MenuView 把菜单 store 渲染进 `conversation.input.overlay` slot（列表类，会话 scope），菜单关闭期间渲染 null。键入式 trigger 会 seed 为该 trigger 注册的所有 source；程序化 launcher 只 seed 所请求的 source，并在菜单关闭或重新开始键入式 tracking 前，通过 controller 的 `launcher` 快照 store 发布该 source 名称。分组按可选的 `SlashSource.order` 排序（越小越靠前，默认 0，同值保持注册序），组标题行经 `slash.menu` locale 命名空间本地化（未知 source 显示其原名）；列表高度收敛到 composer 上方的可用空间，指针落在菜单与所在 composer 卡片之外即关闭菜单。该 slot 由 ui-conversation 的组合器条目拥有（锚点、children 声明、生命周期）；其 SlotMap 类型合并放在本包的 `src/client/slots.ts`，因为依赖方向（ui-conversation → ui-slash）不允许反向的类型导入。combobox 模式：焦点始终留在 textarea，行在 mousedown 时完成 pick，高亮由 `aria-activedescendant` 承载。
 
 `/client` 导出表层是插件主体（`apply`／`inject`）、`SlashService`、`MenuViewInjected` 与契约类型。MenuView 本身是内部实现——slot 注册以闭包持有它。
 
diff --git a/packages/client/ui-slash/src/client/controller.ts b/packages/client/ui-slash/src/client/controller.ts
index 3a8e85afc3..0b57f3dd74 100644
--- a/packages/client/ui-slash/src/client/controller.ts
+++ b/packages/client/ui-slash/src/client/controller.ts
@@ -40,6 +40,12 @@ export interface SlashControllerDeps {
 export class SlashController {
   /** Menu state store (per-session; survives session switches, dies with the scope). */
   readonly menu: SnapshotStore<MenuState> = createSnapshotStore<MenuState>(MENU_CLOSED)
+  /**
+   * Name of the source opened through the programmatic launcher, or null for
+   * trigger-detected/closed menus. Composer chrome subscribes to this store
+   * for the launcher's expanded state without owning a second menu model.
+   */
+  readonly launcher: SnapshotStore<string | null> = createSnapshotStore<string | null>(null)
   /**
    * Aggregated hot reference lexicon, grouped by trigger (decision 21):
    * sources implementing the lexicon hook are polled with the session
@@ -81,6 +87,8 @@ export class SlashController {
    */
   track(draft: string, caret: number, guard: TriggerGuard, draftRev: number): void {
     if (this.disposed) return
+    const launched = this.launcher.getSnapshot() !== null
+    this.clearLauncher()
     const raw = detectTrigger(draft, caret, guard)
     if (raw === null) {
       this.hit = null
@@ -90,7 +98,7 @@ export class SlashController {
     }
     const hit: TriggerHit = { ...raw, span: { ...raw.span, draftRev } }
     const prev = this.menu.getSnapshot()
-    const same = prev.open && prev.hit !== null
+    const same = !launched && prev.open && prev.hit !== null
       && prev.hit.trigger === hit.trigger && prev.hit.query === hit.query
       && prev.hit.span.start === hit.span.start && prev.hit.span.end === hit.span.end
     this.hit = hit
@@ -101,13 +109,40 @@ export class SlashController {
       this.reduce({ type: 'close' })
       return
     }
-    if (!prev.open || prev.hit === null || prev.hit.trigger !== hit.trigger) {
+    if (launched || !prev.open || prev.hit === null || prev.hit.trigger !== hit.trigger) {
       this.menu.set(seedGroups(this.menu.getSnapshot(), roster.map(s => s.name)))
     }
     this.reduce({ type: 'hit', hit })
     this.fetchCandidates(hit, roster)
   }
 
+  /**
+   * Toggle a menu containing exactly one registered source. The supplied hit
+   * is a synthetic selection span rather than a typed trigger token, but
+   * picks deliberately reuse the ordinary source callback and scoped input
+   * mutation pipeline.
+   * @param source - registered source name under `hit.trigger`.
+   * @param hit - synthetic hit carrying position and pick-time draft CAS.
+   */
+  toggleSource(source: string, hit: TriggerHit): void {
+    if (this.disposed) return
+    if (this.launcher.getSnapshot() === source && this.menu.getSnapshot().open) {
+      this.dismiss()
+      return
+    }
+    const match = this.deps.roster.sources(hit.trigger).find(item => item.name === source)
+    if (match === undefined) {
+      this.dismiss()
+      return
+    }
+    this.stopFetch()
+    this.hit = hit
+    this.launcher.set(source)
+    this.menu.set(seedGroups(this.menu.getSnapshot(), [source]))
+    this.reduce({ type: 'hit', hit })
+    this.fetchCandidates(hit, [match])
+  }
+
   /**
    * Pointer pick from MenuView: route the clicked candidate through onPick
    * and execute claim/insert outcomes via the scoped input events.
@@ -349,9 +384,14 @@ export class SlashController {
     this.fetch = null
   }
 
+  private clearLauncher(): void {
+    if (this.launcher.getSnapshot() !== null) this.launcher.set(null)
+  }
+
   private reduce(ev: MenuEvent): void {
     const cur = this.menu.getSnapshot()
     const next = menuReduce(cur, ev)
     if (next !== cur) this.menu.set(next)
+    if (!next.open) this.clearLauncher()
   }
 }
diff --git a/packages/client/ui-slash/tests/apply.spec.ts b/packages/client/ui-slash/tests/apply.spec.ts
index a0f42c6a22..7121f79441 100644
--- a/packages/client/ui-slash/tests/apply.spec.ts
+++ b/packages/client/ui-slash/tests/apply.spec.ts
@@ -8,11 +8,16 @@
 import { Context } from 'cordis'
 import { describe, expect, it, vi } from 'vitest'
 import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
+import { usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import { createScope, scopeOf, SlotsService } from '@deepseek-ai/dsh-client-runtime/client'
 import type { SessionId } from '@deepseek-ai/dsh-client-runtime/client'
 import { apply, inject, SlashService } from '@deepseek-ai/dsh-client-ui-slash/client'
 import type { MenuViewInjected } from '@deepseek-ai/dsh-client-ui-slash/client'
 
+// The service reads its initial locale from the browser; these specs assert
+// the shipped Chinese copy, so they state the browser they assume.
+usePinnedBrowserLanguages('zh-CN')
+
 const sid = (k: string): SessionId => k as SessionId
 
 async function bench() {
diff --git a/packages/client/ui-slash/tests/service.spec.ts b/packages/client/ui-slash/tests/service.spec.ts
index 099e2bb4f5..6f398442b9 100644
--- a/packages/client/ui-slash/tests/service.spec.ts
+++ b/packages/client/ui-slash/tests/service.spec.ts
@@ -351,6 +351,57 @@ describe('track', () => {
   })
 })
 
+describe('programmatic source launcher', () => {
+  it('opens only the requested source and reuses its ordinary pick span', async () => {
+    const command = readySource('/', 'command', [{ name: 'goal' }])
+    const skill = readySource('/', 'skill', [{ name: 'review' }])
+    const { controller } = controllerBench([command.source, skill.source])
+    const hit = {
+      trigger: '/' as const,
+      query: '',
+      position: 'leading' as const,
+      span: { start: 2, end: 5, draftRev: 7 },
+    }
+
+    controller.toggleSource('command', hit)
+    await tick()
+
+    expect(controller.launcher.getSnapshot()).toBe('command')
+    expect(controller.menu.getSnapshot()).toMatchObject({
+      open: true,
+      hit,
+      groups: [{ source: 'command', status: 'ready', items: [{ name: 'goal' }] }],
+    })
+    controller.pick('command', 0)
+    expect(command.picks[0]).toMatchObject({ via: 'menu', span: hit.span })
+    expect(skill.picks).toHaveLength(0)
+    expect(controller.launcher.getSnapshot()).toBeNull()
+  })
+
+  it('toggles closed, and typed tracking returns to the full trigger roster', async () => {
+    const command = readySource('/', 'command', [{ name: 'goal' }])
+    const skill = readySource('/', 'skill', [{ name: 'review' }])
+    const { controller } = controllerBench([command.source, skill.source])
+    const hit = {
+      trigger: '/' as const,
+      query: '',
+      position: 'leading' as const,
+      span: { start: 0, end: 0, draftRev: 1 },
+    }
+
+    controller.toggleSource('command', hit)
+    controller.toggleSource('command', hit)
+    expect(controller.menu.getSnapshot().open).toBe(false)
+    expect(controller.launcher.getSnapshot()).toBeNull()
+
+    controller.toggleSource('command', hit)
+    controller.track('/g', 2, { tier: 'plain' }, 2)
+    await tick()
+    expect(controller.launcher.getSnapshot()).toBeNull()
+    expect(controller.menu.getSnapshot().groups.map(group => group.source)).toEqual(['command', 'skill'])
+  })
+})
+
 describe('scope-birth warm', () => {
   it('construction warms every source once with the session projection', () => {
     const cmd = deferredSource('/', 'command')
diff --git a/packages/client/ui-theme/package.json b/packages/client/ui-theme/package.json
index e60289b52d..7046f3391b 100644
--- a/packages/client/ui-theme/package.json
+++ b/packages/client/ui-theme/package.json
@@ -44,6 +44,7 @@
   "devDependencies": {
     "@deepseek-ai/dsh-client-locale": "workspace:^",
     "@deepseek-ai/dsh-client-runtime": "workspace:^",
+    "@deepseek-ai/dsh-client-test-runtime": "workspace:^",
     "@deepseek-ai/dsh-client-ui-primitives": "workspace:^",
     "@deepseek-ai/dsh-client-ui-slots": "workspace:^",
     "@deepseek-ai/dsh-invariants": "workspace:^",
diff --git a/packages/client/ui-theme/src/styles/gradient-shadow-text.css b/packages/client/ui-theme/src/styles/gradient-shadow-text.css
index aea8d9cb83..e062b4ba93 100644
--- a/packages/client/ui-theme/src/styles/gradient-shadow-text.css
+++ b/packages/client/ui-theme/src/styles/gradient-shadow-text.css
@@ -131,6 +131,14 @@ body {
   --dsw-font-markdown-code-block-font-size: 13px;
   --dsw-font-markdown-code-block-font-style: normal;
 
+  /* 手工补充（非插件导出）：tool row 展开卡片内的小号 code 字体。 */
+  --dsw-font-markdown-code-block-small: 12px/18px var(--ds-font-family-code);
+  --dsw-font-markdown-code-block-small-font-family: var(--ds-font-family-code);
+  --dsw-font-markdown-code-block-small-font-weight: 400;
+  --dsw-font-markdown-code-block-small-line-height: 18px;
+  --dsw-font-markdown-code-block-small-font-size: 12px;
+  --dsw-font-markdown-code-block-small-font-style: normal;
+
   --dsw-font-xl-24: 600 24px/32px var(--dsw-font-family);
   --dsw-font-xl-24-font-family: var(--dsw-font-family);
   --dsw-font-xl-24-font-weight: 600;
diff --git a/packages/client/ui-theme/tests/appearance-row.spec.tsx b/packages/client/ui-theme/tests/appearance-row.spec.tsx
index f21fb26bdd..d028affd69 100644
--- a/packages/client/ui-theme/tests/appearance-row.spec.tsx
+++ b/packages/client/ui-theme/tests/appearance-row.spec.tsx
@@ -27,7 +27,7 @@ function emptySessions() {
 }
 function emptyWorkspaces() {
   const store = createSnapshotStore<WorkspaceListState>({
-    items: [], state: 'idle', phase: 'ready', error: null,
+    items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null,
     baselinesReady: true, recentWorkspaceId: undefined,
   })
   return bindSnapshotSelector(store)
diff --git a/packages/client/ui-theme/tests/apply.spec.ts b/packages/client/ui-theme/tests/apply.spec.ts
index ea9da5cfde..a4da553516 100644
--- a/packages/client/ui-theme/tests/apply.spec.ts
+++ b/packages/client/ui-theme/tests/apply.spec.ts
@@ -5,11 +5,16 @@ import { Context } from 'cordis'
 import { describe, expect, it } from 'vitest'
 import { SlotsService } from '@deepseek-ai/dsh-client-runtime/client'
 import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
+import { usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import { apply, inject, SETTINGS_NS } from '@deepseek-ai/dsh-client-ui-theme/client'
 import type { AppearanceRowInjected, ThemeService } from '@deepseek-ai/dsh-client-ui-theme/client'
 import { AppearanceRow } from '../src/client/AppearanceRow.tsx'
 import type { createAppearanceRowStore } from '../src/client/settings-store.ts'
 
+// The service reads its initial locale from the browser; these specs assert
+// the shipped Chinese copy, so they state the browser they assume.
+usePinnedBrowserLanguages('zh-CN')
+
 const SLOT = 'settings.general.item'
 
 async function bench() {
diff --git a/packages/client/ui-trajectory/README.i18n.yaml b/packages/client/ui-trajectory/README.i18n.yaml
index dcaa1020a7..41c954adc0 100644
--- a/packages/client/ui-trajectory/README.i18n.yaml
+++ b/packages/client/ui-trajectory/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/ui-trajectory/README.md
-README.md: b9c8b849b3454fe46e1fc37713d9d3b9449734cf
-README.zh.md: 19ae5050a4c4f7dfe80de0ab58e772e9d26e3f6a
+README.md: a65c11aed9dd74f9b0b60795441f876c1d64b3ad
+README.zh.md: 6e25d24c6b65673b3d003e624b6e0727be60c0e1
diff --git a/packages/client/ui-trajectory/README.md b/packages/client/ui-trajectory/README.md
index b9c8b849b3..a65c11aed9 100644
--- a/packages/client/ui-trajectory/README.md
+++ b/packages/client/ui-trajectory/README.md
@@ -2,7 +2,7 @@
 
 English | [中文](README.zh.md)
 
-Trajectory renders a turn-aware event ledger with selectable User, Assistant, Tool, and nested Subtool records. Thick rules mark Turn boundaries, compact inline markers identify Steps, and the main ledger keeps only index, event, and content; selection opens a local inspector for token usage, duration, Input, Output, and Timing. A fixed Overview above the ledger projects real record start/duration timing from left to right; dragging an interval focuses the ledger on every record active at any point in that inclusive range, while clearing the selection restores the full branch. The runtime's independent history source supplies raw context lineage and projects cancellation-frozen Assistant and Tool records, so Trajectory neither reads nor changes the Chat conversation snapshot. The package remains a pure-consumer plugin (registers one view tab into the conversation's `'conversation.view'` slot ring, provides no service, declares no Context merge). Contract: api-contracts v3 §8.
+Trajectory renders a turn-aware event ledger with selectable User, Assistant, Tool, and nested Subtool records. Thick rules mark Turn boundaries, compact inline markers identify Steps, and the main ledger keeps only index, event, and content; selection opens a local inspector for token usage, duration, Input, Output, and Timing. A standalone compaction request appears chronologically in its own `Between turns` section, while a numbered compaction remains inside its owning turn. A fixed Overview above the ledger projects real record start/duration timing from left to right; dragging an interval focuses the ledger on every record active at any point in that inclusive range, while clearing the selection restores the full branch. The runtime's independent history source supplies raw context lineage and projects cancellation-frozen Assistant and Tool records, so Trajectory neither reads nor changes the Chat conversation snapshot. The package remains a pure-consumer plugin (registers one view tab into the conversation's `'conversation.view'` slot ring, provides no service, declares no Context merge). Contract: api-contracts v3 §8.
 
 ## Model Experience
 
diff --git a/packages/client/ui-trajectory/README.zh.md b/packages/client/ui-trajectory/README.zh.md
index 19ae5050a4..6e25d24c6b 100644
--- a/packages/client/ui-trajectory/README.zh.md
+++ b/packages/client/ui-trajectory/README.zh.md
@@ -2,7 +2,7 @@
 
 [English](README.md) | 中文
 
-Trajectory 渲染按轮次组织的事件记录表，其中可选择用户、助手、工具和嵌套子工具记录。较粗的分割线标示轮次边界，紧凑的行内标记标识步骤，主记录表仅保留索引、事件和内容；选择记录则会打开局部检查器，查看 token 用量、耗时、输入、输出和计时。固定在记录表上方的 Overview 区域从左到右投影记录的真实开始时间与耗时；拖选一个区间会将记录表聚焦到活动区间与该闭区间有重叠的所有记录，清除选择则恢复完整分支。runtime 的独立历史数据源提供原始上下文谱系，并投影因取消而冻结的助手和工具记录，因此 Trajectory 既不读取也不改变 Chat 会话快照。该包（package）保持为纯消费方插件（向会话的 `'conversation.view'` slot 环注册一个视图标签页，不提供服务，也不声明 Context 合并）。契约：api-contracts v3 §8。
+Trajectory 渲染按轮次组织的事件记录表，其中可选择用户、助手、工具和嵌套子工具记录。较粗的分割线标示轮次边界，紧凑的行内标记标识步骤，主记录表仅保留索引、事件和内容；选择记录则会打开局部检查器，查看 token 用量、耗时、输入、输出和计时。独立运行的压缩（compaction）请求会按时间顺序显示在自己的 `Between turns` 区段中，而带数值所有者的压缩仍位于其所属轮次内。固定在记录表上方的 Overview 区域从左到右投影记录的真实开始时间与耗时；拖选一个区间会将记录表聚焦到活动区间与该闭区间有重叠的所有记录，清除选择则恢复完整分支。运行时的独立历史数据源提供原始上下文谱系，并投影因取消而冻结的助手和工具记录，因此 Trajectory 既不读取也不改变 Chat 会话快照。该包（package）保持为纯消费方插件（向会话的 `'conversation.view'` slot 环注册一个视图标签页，不提供服务，也不声明 Context 合并）。契约：api-contracts v3 §8。
 
 ## 模型体验
 
@@ -10,7 +10,7 @@ Trajectory 渲染按轮次组织的事件记录表，其中可选择用户、助
 
 #### KV Cache 影响
 
-无；该包（package）既不组装也不发送提供方请求。
+无；该包既不组装也不发送提供方请求。
 
 ## 已知限制与暂缓事项
 
diff --git a/packages/client/ui-trajectory/package.json b/packages/client/ui-trajectory/package.json
index fc853d19d1..8da6559866 100644
--- a/packages/client/ui-trajectory/package.json
+++ b/packages/client/ui-trajectory/package.json
@@ -24,6 +24,7 @@
   },
   "dshClient": {
     "inject": [
+      "@deepseek-ai/dsh-client-runtime",
       "@deepseek-ai/dsh-client-ui-conversation"
     ],
     "platform": "web"
@@ -37,6 +38,7 @@
     "diff": "^9.0.0"
   },
   "peerDependencies": {
+    "@deepseek-ai/dsh-client-runtime": "^0.0.1",
     "@deepseek-ai/dsh-invariants": "^0.0.1",
     "@deepseek-ai/dsh-client-ui-primitives": "^0.0.1",
     "cordis": "^4.0.0-rc.7",
diff --git a/packages/client/ui-trajectory/src/client/TrajectoryTable.module.css b/packages/client/ui-trajectory/src/client/TrajectoryTable.module.css
index c7b7948845..86cc8dfd8b 100644
--- a/packages/client/ui-trajectory/src/client/TrajectoryTable.module.css
+++ b/packages/client/ui-trajectory/src/client/TrajectoryTable.module.css
@@ -321,6 +321,13 @@
   width: 76px;
 }
 
+.kindSlot :global([role='tooltip']) {
+  border: 1px solid var(--dsw-alias-border-l2);
+  background: var(--dsw-alias-bg-layer-2);
+  box-shadow: var(--dsw-shadow-lv2);
+  color: var(--dsw-alias-label-primary);
+}
+
 .content {
   padding-left: 4px !important;
   color: var(--dsw-alias-label-primary);
@@ -828,6 +835,7 @@
   flex: 1;
   min-height: 0;
   overflow: auto;
+  scrollbar-gutter: stable;
 }
 
 .detailBodySummary {
@@ -989,7 +997,7 @@
   margin: 0;
   padding: 0 0 3px 14px;
   color: var(--dsw-alias-label-secondary);
-  background: var(--dsw-alias-bg-base);
+  background: var(--dsw-alias-bg-layer-1);
   font: var(--dsw-font-xs-strong-13);
   user-select: none;
 }
diff --git a/packages/client/ui-trajectory/src/client/TrajectoryTable.tsx b/packages/client/ui-trajectory/src/client/TrajectoryTable.tsx
index fb369da242..4f88bf0bca 100644
--- a/packages/client/ui-trajectory/src/client/TrajectoryTable.tsx
+++ b/packages/client/ui-trajectory/src/client/TrajectoryTable.tsx
@@ -104,7 +104,8 @@ const KIND_ICON: Record<TrajectoryCellKind, ReactNode> = {
 }
 
 interface TableRecord {
-  turn: number
+  turn: number | null
+  section: number
   group: string
   groupStart: boolean
   turnStart: boolean
@@ -146,7 +147,8 @@ interface ToolCallTextParts {
 }
 
 interface SelectedRequest {
-  turn: number
+  turn: number | null
+  section: number
   number: number
   group: string
 }
@@ -314,17 +316,18 @@ export interface TrajectoryTableProps {
   collapsedAssistants: ReadonlySet<number>
   /** Toggle tool calls under one assistant record. */
   onToggleAssistant: (index: number) => void
+  /** One-shot cross-view inspect: open and scroll to this call's record. */
+  inspectCallId?: string | null
+  /** Acknowledge a consumed (or unresolvable) inspect request. */
+  onInspectApplied?: (() => void) | undefined
 }
 
-/** One request identity paired with its session-global number. */
-export interface TrajectoryRequestNumber {
+/** Request-inspector fields shared by ordinary generation and compaction. */
+interface TrajectoryRequestNumberBase {
   /** Request anchor event sequence; absent for the currently streaming ordinary request. */
   seq?: number
-  turn: number
-  step: number
   group: string
   number: number
-  purpose?: 'compaction'
   status?: 'complete' | 'running' | 'error'
   startedAt?: number
   completedAt?: number | null
@@ -340,6 +343,20 @@ export interface TrajectoryRequestNumber {
   cumulativeUsage?: TrajectoryUsage
 }
 
+/** One purpose-discriminated request identity paired with its session-global number. */
+export type TrajectoryRequestNumber = TrajectoryRequestNumberBase & (
+  | {
+    purpose?: 'assistant'
+    turn: number
+    step: number
+  }
+  | {
+    purpose: 'compaction'
+    turn: number | null
+    step: 0
+  }
+)
+
 /** Disjoint provider token buckets for one request or a session prefix. */
 export interface TrajectoryUsage {
   input?: number
@@ -350,17 +367,18 @@ export interface TrajectoryUsage {
 }
 
 function flattenRecords(turns: readonly TrajectoryTurnModel[]): TableRecord[] {
-  return turns.flatMap((turn) => {
-    let firstInTurn = true
+  return turns.flatMap((turn, section) => {
+    let firstInSection = true
     const records = turn.groups.flatMap((group) => {
       return group.cells.map((cell, index) => {
-        const turnStart = firstInTurn
+        const turnStart = firstInSection
           && cell.requestOnly !== true
           && cell.kind !== 'system'
-          && cell.kind !== 'compacted'
-        if (turnStart) firstInTurn = false
+          && (cell.kind !== 'compacted' || turn.turn === null)
+        if (turnStart) firstInSection = false
         return {
           turn: turn.turn,
+          section,
           group: group.title,
           groupStart: index === 0,
           turnStart,
@@ -384,18 +402,18 @@ function filterRecords(
       record.cell.requestOnly !== true && matches.has(record.cell.index),
     )
     .map(record => ({ ...record, groupStart: false, turnStart: false, turnEnd: false }))
-  const startedTurns = new Set<number>()
+  const startedSections = new Set<number>()
   for (const [index, record] of filtered.entries()) {
     const previous = filtered[index - 1]
     const next = filtered[index + 1]
     record.groupStart = previous === undefined
-      || previous.turn !== record.turn
+      || previous.section !== record.section
       || previous.group !== record.group
-    record.turnStart = !startedTurns.has(record.turn)
+    record.turnStart = !startedSections.has(record.section)
       && record.cell.kind !== 'system'
-      && record.cell.kind !== 'compacted'
-    if (record.turnStart) startedTurns.add(record.turn)
-    record.turnEnd = next === undefined || next.turn !== record.turn
+      && (record.cell.kind !== 'compacted' || record.turn === null)
+    if (record.turnStart) startedSections.add(record.section)
+    record.turnEnd = next === undefined || next.section !== record.section
   }
   return filtered
 }
@@ -406,10 +424,14 @@ function requestStep(group: string): number | undefined {
   return Number.isInteger(value) && value > 0 ? value : undefined
 }
 
-function requestKey(turn: number, group: string): string {
+function requestKey(turn: number | null, group: string): string {
   return `${turn}\u0000${group}`
 }
 
+function sectionLabel(turn: number | null): string {
+  return turn === null ? 'Between turns' : `Turn ${turn}`
+}
+
 function indexRequestNumbers(
   records: readonly TableRecord[],
   sessionNumbers: readonly TrajectoryRequestNumber[] | undefined,
@@ -451,12 +473,13 @@ function collapseTurnRecords(
   if (collapsedTurns.size === 0) return [...records]
   const recordsByTurn = new Map<number, TableRecord[]>()
   for (const record of records) {
+    if (record.turn === null) continue
     const turnRecords = recordsByTurn.get(record.turn) ?? []
     turnRecords.push(record)
     recordsByTurn.set(record.turn, turnRecords)
   }
   return records.flatMap((record) => {
-    if (!collapsedTurns.has(record.turn)) return [record]
+    if (record.turn === null || !collapsedTurns.has(record.turn)) return [record]
     const turnRecords = recordsByTurn.get(record.turn) ?? [record]
     if (record.cell.requestOnly === true || record.cell.kind === 'system') return [record]
     const contentRecords = turnRecords.filter(candidate =>
@@ -1497,6 +1520,8 @@ export function TrajectoryTable({
   onToggleTurn,
   collapsedAssistants,
   onToggleAssistant,
+  inspectCallId = null,
+  onInspectApplied,
 }: TrajectoryTableProps) {
   const [selectedIndex, setSelectedIndex] = useState<number | null>(null)
   const [selectedRequest, setSelectedRequest] = useState<SelectedRequest | null>(null)
@@ -1531,6 +1556,7 @@ export function TrajectoryTable({
     ? []
     : allRecords.filter(record =>
       record.turn === selectedRequest.turn
+        && record.section === selectedRequest.section
         && record.group === selectedRequest.group,
     )
   const selectedRequestAssistant = selectedRequestRecords.find(
@@ -1582,7 +1608,8 @@ export function TrajectoryTable({
   const selectedRequestCumulativeUsage =
     selectedRequestInfo?.cumulativeUsage ?? selectedRequestUsage
   const selectedRequestOptions = selectedRequestInfo?.requestConfig
-  const activeTurn = selectedRequest?.turn ?? selected?.turn
+  const activeTurn = selectedRequest === null ? selected?.turn : selectedRequest.turn
+  const activeSection = selectedRequest === null ? selected?.section : selectedRequest.section
   const selectedTabs = selectedRequest !== null
     ? REQUEST_TABS.filter(tab => tab.id !== 'options' || selectedRequestOptions !== undefined)
     : selected === undefined ? [] : detailTabs(selected)
@@ -1598,6 +1625,7 @@ export function TrajectoryTable({
     selected !== undefined && selectedAssistantRequest !== undefined
       ? {
         turn: selected.turn,
+        section: selected.section,
         number: selectedAssistantRequest,
         group: selected.group,
       }
@@ -1658,7 +1686,7 @@ export function TrajectoryTable({
 
   const openRecordSummary = (target: TableRecord) => {
     const targetAt = allRecords.findIndex(record => record.cell.index === target.cell.index)
-    if (collapsedTurns.has(target.turn)) onToggleTurn(target.turn)
+    if (target.turn !== null && collapsedTurns.has(target.turn)) onToggleTurn(target.turn)
     if (target.cell.kind === 'tool' || target.cell.kind === 'subtool') {
       for (let i = targetAt - 1; i >= 0; i--) {
         const candidate = allRecords[i]
@@ -1678,8 +1706,37 @@ export function TrajectoryTable({
     if (target !== undefined) openRecordSummary(target)
   }
 
+  // Cross-view inspect handoff: resolve the requested call to its record,
+  // open its summary, and remember the row to scroll once the un-collapsed
+  // ledger has rendered. Not-found leaves the request pending (`turns` in the
+  // deps retries as history pages in); the ack clears the store field.
+  const rootRef = useRef<HTMLDivElement>(null)
+  const pendingScrollIndex = useRef<number | null>(null)
+  const openRecordSummaryRef = useRef(openRecordSummary)
+  openRecordSummaryRef.current = openRecordSummary
+  useEffect(() => {
+    if (inspectCallId === null) return
+    const target = flattenRecords(turns).find(record => record.cell.callId === inspectCallId)
+    if (target === undefined) return
+    openRecordSummaryRef.current(target)
+    pendingScrollIndex.current = target.cell.index
+    onInspectApplied?.()
+  }, [inspectCallId, turns, onInspectApplied])
+  useEffect(() => {
+    const index = pendingScrollIndex.current
+    if (index === null) return
+    const row = rootRef.current
+      ?.querySelector<HTMLElement>(`tr[data-record-index="${index}"]`)
+    if (row === undefined || row === null) return
+    pendingScrollIndex.current = null
+    /* v8 ignore next -- jsdom lacks scrollIntoView; browsers always have it. */
+    if (typeof row.scrollIntoView === 'function') {
+      row.scrollIntoView({ behavior: 'smooth', block: 'center' })
+    }
+  })
+
   return (
-    <div className={css.split} style={splitStyle}>
+    <div ref={rootRef} className={css.split} style={splitStyle}>
       <div
         className={css.tablePane}
         onClick={(event) => {
@@ -1704,7 +1761,7 @@ export function TrajectoryTable({
                 && record.cell.index === allRecords[0]?.cell.index
               const request = record.groupStart
                 && !isCollapsedSummary
-                && !collapsedTurns.has(record.turn)
+                && (record.turn === null || !collapsedTurns.has(record.turn))
                 ? requestNumbers.get(requestKey(record.turn, record.group))
                 : undefined
               const requestInfo = request === undefined
@@ -1715,7 +1772,11 @@ export function TrajectoryTable({
                 : `Request #${request}${requestInfo?.purpose === 'compaction' ? ' · Compaction' : ''}`
               const requestSelected = request !== undefined
                 && selectedRequest?.turn === record.turn
+                && selectedRequest.section === record.section
                 && selectedRequest.number === request
+              const sectionActive = record.turn === null
+                ? activeSection === record.section
+                : activeTurn === record.turn
               return (
                 <tr
                   key={`${record.cell.index}:${record.collapsedSummaryKind ?? 'record'}`}
@@ -1745,13 +1806,14 @@ export function TrajectoryTable({
                     ? undefined
                     : isCollapsedSummary
                       ? () => {
-                        if (record.collapsedSummaryKind === 'turn') onToggleTurn(record.turn)
-                        else onToggleAssistant(record.cell.index)
+                        if (record.collapsedSummaryKind === 'turn' && record.turn !== null) {
+                          onToggleTurn(record.turn)
+                        } else onToggleAssistant(record.cell.index)
                       }
                       : () => { selectRecord(record.cell.index) }}
                   onDoubleClick={(event) => {
                     if (isCollapsedSummary || isRequestOnly) return
-                    if (collapsedTurns.has(record.turn)) {
+                    if (record.turn !== null && collapsedTurns.has(record.turn)) {
                       event.preventDefault()
                       onToggleTurn(record.turn)
                       return
@@ -1765,6 +1827,7 @@ export function TrajectoryTable({
                       return
                     }
                     if (!record.turnStart) return
+                    if (record.turn === null) return
                     if (allRecords.filter(candidate =>
                       candidate.turn === record.turn
                       && candidate.cell.requestOnly !== true
@@ -1777,8 +1840,9 @@ export function TrajectoryTable({
                     if (event.key !== 'Enter' && event.key !== ' ') return
                     event.preventDefault()
                     if (isCollapsedSummary) {
-                      if (record.collapsedSummaryKind === 'turn') onToggleTurn(record.turn)
-                      else onToggleAssistant(record.cell.index)
+                      if (record.collapsedSummaryKind === 'turn' && record.turn !== null) {
+                        onToggleTurn(record.turn)
+                      } else onToggleAssistant(record.cell.index)
                       return
                     }
                     selectRecord(record.cell.index)
@@ -1798,6 +1862,7 @@ export function TrajectoryTable({
                           event.stopPropagation()
                           selectRequest({
                             turn: record.turn,
+                            section: record.section,
                             number: request,
                             group: record.group,
                           })
@@ -1805,7 +1870,9 @@ export function TrajectoryTable({
                         onDoubleClick={(event) => { event.stopPropagation() }}
                       />
                     )}
-                    {activeTurn === record.turn && !isInitialSystem && (
+                    {record.turn !== null
+                    && activeTurn === record.turn
+                    && !isInitialSystem && (
                       <span className={css.turnRail} aria-hidden="true" />
                     )}
                     {!isCollapsedSummary && selectedIndex === record.cell.index && (
@@ -1815,17 +1882,23 @@ export function TrajectoryTable({
                     && !isRequestOnly
                     && record.turnStart && (
                       <span
-                        className={activeTurn === record.turn
+                        className={sectionActive
                           ? `${css.turnLabel} ${css.turnLabelActive}`
                           : css.turnLabel}
-                        aria-label={`Turn ${record.turn}`}
+                        aria-label={sectionLabel(record.turn)}
                       >
-                        <span className={css.turnLabelFull} aria-hidden="true">
-                          Turn {record.turn}
-                        </span>
-                        <span className={css.turnLabelCompact} aria-hidden="true">
-                          #{record.turn}
-                        </span>
+                        {record.turn === null
+                          ? sectionLabel(record.turn)
+                          : (
+                            <>
+                              <span className={css.turnLabelFull} aria-hidden="true">
+                                {sectionLabel(record.turn)}
+                              </span>
+                              <span className={css.turnLabelCompact} aria-hidden="true">
+                                #{record.turn}
+                              </span>
+                            </>
+                          )}
                       </span>
                     )}
                     <div className={css.eventInner}>
@@ -1833,7 +1906,10 @@ export function TrajectoryTable({
                         <span
                           className={css.kindSlot}
                         >
-                          <Tooltip label={KIND_LABEL[record.cell.kind]} side="bottom">
+                          <Tooltip
+                            label={KIND_LABEL[record.cell.kind]}
+                            side="right"
+                          >
                             <span
                               className={`${css.kindTag} ${
                                 record.cell.kind === 'system'
@@ -2014,8 +2090,8 @@ export function TrajectoryTable({
                     </span>
                     <span className={css.detailsLocation}>
                       {selectedRequestInfo?.purpose === 'compaction'
-                        ? `Compaction · Turn ${selectedRequest.turn}`
-                        : `Turn ${selectedRequest.turn}`}
+                        ? `Compaction · ${sectionLabel(selectedRequest.turn)}`
+                        : sectionLabel(selectedRequest.turn)}
                     </span>
                   </>
                 )
@@ -2046,8 +2122,8 @@ export function TrajectoryTable({
                       </span>
                       <span className={css.detailsLocation}>
                         {selected.cell.kind === 'compacted'
-                          ? `Turn ${selected.turn}`
-                          : `Turn ${selected.turn} · ${selected.group}`}
+                          ? sectionLabel(selected.turn)
+                          : `${sectionLabel(selected.turn)} · ${selected.group}`}
                       </span>
                     </>
                   )}
diff --git a/packages/client/ui-trajectory/src/client/TrajectoryTimeline.module.css b/packages/client/ui-trajectory/src/client/TrajectoryTimeline.module.css
index 402387da48..1ca5ab2627 100644
--- a/packages/client/ui-trajectory/src/client/TrajectoryTimeline.module.css
+++ b/packages/client/ui-trajectory/src/client/TrajectoryTimeline.module.css
@@ -1,6 +1,6 @@
 .root {
   position: relative;
-  z-index: 0;
+  z-index: 1;
   isolation: isolate;
   flex: none;
   border-bottom: 1px solid var(--dsw-alias-border-l2);
diff --git a/packages/client/ui-trajectory/src/client/TrajectoryTimeline.tsx b/packages/client/ui-trajectory/src/client/TrajectoryTimeline.tsx
index 89e3b8bb2b..0fd0825f95 100644
--- a/packages/client/ui-trajectory/src/client/TrajectoryTimeline.tsx
+++ b/packages/client/ui-trajectory/src/client/TrajectoryTimeline.tsx
@@ -2,7 +2,7 @@
 
 import {
   memo, useEffect, useMemo, useRef, useState, type CSSProperties, type KeyboardEvent,
-  type PointerEvent, type WheelEvent,
+  type PointerEvent,
 } from 'react'
 import type { TrajectoryTurnModel } from './layout.ts'
 import {
@@ -70,11 +70,17 @@ function rangeFraction(
   range: TrajectoryTimeRange,
   start: number,
   duration: number,
+  minimum: number,
+  maximum: number,
 ): FractionRange {
-  return orderedRange(
-    clampFraction((range.start - start) / duration),
-    clampFraction((range.end - start) / duration),
+  const bounded = orderedRange(
+    Math.min(maximum, Math.max(minimum, range.start)),
+    Math.min(maximum, Math.max(minimum, range.end)),
   )
+  return {
+    start: (bounded.start - start) / duration,
+    end: (bounded.end - start) / duration,
+  }
 }
 
 function LaneLabels() {
@@ -117,6 +123,8 @@ export const TrajectoryTimeline = memo(function TrajectoryTimeline({
     anchorClientX: number
     recordIndex: number | null
   } | null>(null)
+  const rootRef = useRef<HTMLElement | null>(null)
+  const trackRef = useRef<HTMLDivElement | null>(null)
   const [draft, setDraft] = useState<TrajectoryTimeRange | null>(null)
   const [hover, setHover] = useState<HoverPoint | null>(null)
   const [viewport, setViewport] = useState<TrajectoryTimeRange | null>(null)
@@ -183,16 +191,48 @@ export const TrajectoryTimeline = memo(function TrajectoryTimeline({
     } as CSSProperties
   const committed = model === null || range === null
     ? null
-    : rangeFraction(range, domainStart, domainDuration)
+    : rangeFraction(range, domainStart, domainDuration, model.start, model.end)
   const draftFraction = model === null || draft === null
     ? null
-    : rangeFraction(draft, domainStart, domainDuration)
+    : rangeFraction(draft, domainStart, domainDuration, model.start, model.end)
   const visibleRange = draftFraction ?? committed
   const activeRange = draft ?? range
+  useEffect(() => {
+    const root = rootRef.current
+    if (root === null) return
+    const onWheel = (event: globalThis.WheelEvent): void => {
+      event.preventDefault()
+      const track = trackRef.current
+      if (track === null || model === null) return
+      setAnimateViewport(false)
+      const rect = track.getBoundingClientRect()
+      const anchorFraction =
+        clampFraction((event.clientX - rect.left) / Math.max(1, rect.width))
+      const nextDuration = Math.min(
+        fullDuration,
+        Math.max(
+          Math.min(mode === 'sequence' ? MINIMUM_ZOOM_OPERATIONS : 20, fullDuration),
+          domainDuration * Math.exp(event.deltaY * 0.0015),
+        ),
+      )
+      if (nextDuration >= fullDuration * 0.999) {
+        setViewport(null)
+        return
+      }
+      const anchorTime = domainStart + anchorFraction * domainDuration
+      const nextStart = Math.min(
+        Math.max(anchorTime - anchorFraction * nextDuration, model.start),
+        model.end - nextDuration,
+      )
+      setViewport({ start: nextStart, end: nextStart + nextDuration })
+    }
+    root.addEventListener('wheel', onWheel, { passive: false })
+    return () => { root.removeEventListener('wheel', onWheel) }
+  }, [domainDuration, domainStart, fullDuration, mode, model])
 
   if (model === null) {
     return (
-      <section className={css.root} aria-label="Trajectory timeline">
+      <section ref={rootRef} className={css.root} aria-label="Trajectory timeline">
         <div className={css.plot}>
           <LaneLabels />
           <div className={css.track}>
@@ -339,36 +379,12 @@ export const TrajectoryTimeline = memo(function TrajectoryTimeline({
     setHover(null)
   }
 
-  const onWheel = (event: WheelEvent<HTMLDivElement>) => {
-    event.preventDefault()
-    setAnimateViewport(false)
-    const rect = event.currentTarget.getBoundingClientRect()
-    const anchorFraction =
-      clampFraction((event.clientX - rect.left) / Math.max(1, rect.width))
-    const nextDuration = Math.min(
-      fullDuration,
-      Math.max(
-        Math.min(mode === 'sequence' ? MINIMUM_ZOOM_OPERATIONS : 20, fullDuration),
-        domainDuration * Math.exp(event.deltaY * 0.0015),
-      ),
-    )
-    if (nextDuration >= fullDuration * 0.999) {
-      setViewport(null)
-      return
-    }
-    const anchorTime = domainStart + anchorFraction * domainDuration
-    const nextStart = Math.min(
-      Math.max(anchorTime - anchorFraction * nextDuration, model.start),
-      model.end - nextDuration,
-    )
-    setViewport({ start: nextStart, end: nextStart + nextDuration })
-  }
-
   return (
-    <section className={css.root} aria-label="Trajectory timeline">
+    <section ref={rootRef} className={css.root} aria-label="Trajectory timeline">
       <div className={css.plot}>
         <LaneLabels />
         <div
+          ref={trackRef}
           className={css.track}
           aria-label="Timeline overview; drag horizontally to focus events"
           tabIndex={0}
@@ -384,7 +400,6 @@ export const TrajectoryTimeline = memo(function TrajectoryTimeline({
             event.preventDefault()
             onRangeChange(null)
           }}
-          onWheel={onWheel}
           onContextMenu={(event) => {
             event.preventDefault()
             setAnimateViewport(false)
@@ -431,9 +446,9 @@ export const TrajectoryTimeline = memo(function TrajectoryTimeline({
             style={projectedDomainStyle}
           >
             {model.turnBoundaries
-              .slice(1)
               .filter(boundary =>
-                boundary.time >= domainStart
+                boundary.time > model.start
+                && boundary.time >= domainStart
                 && boundary.time <= domainStart + domainDuration)
               .map(boundary => (
                 <span
diff --git a/packages/client/ui-trajectory/src/client/TrajectoryToolbar.module.css b/packages/client/ui-trajectory/src/client/TrajectoryToolbar.module.css
index 6e3dd27916..aa38650411 100644
--- a/packages/client/ui-trajectory/src/client/TrajectoryToolbar.module.css
+++ b/packages/client/ui-trajectory/src/client/TrajectoryToolbar.module.css
@@ -149,7 +149,7 @@
   font: var(--dsw-font-xxs-12);
 }
 
-.action:hover:not(:disabled) {
+.action:hover {
   color: var(--dsw-alias-label-primary);
   background: var(--dsw-alias-interactive-bg-hover);
 }
@@ -159,11 +159,6 @@
   outline-offset: 1px;
 }
 
-.action:disabled {
-  color: var(--dsw-alias-label-dimmed);
-  cursor: not-allowed;
-}
-
 .actionIcon {
   color: var(--dsw-alias-label-tertiary);
   font: 14px/14px var(--ds-font-family-code);
diff --git a/packages/client/ui-trajectory/src/client/TrajectoryToolbar.tsx b/packages/client/ui-trajectory/src/client/TrajectoryToolbar.tsx
index 09d213c36e..5db9f56e80 100644
--- a/packages/client/ui-trajectory/src/client/TrajectoryToolbar.tsx
+++ b/packages/client/ui-trajectory/src/client/TrajectoryToolbar.tsx
@@ -8,18 +8,14 @@ export interface TrajectoryToolbarProps {
   actualDuration: boolean
   /** Select recorded-duration or equal-width blocks. */
   onActualDurationChange: (actualDuration: boolean) => void
-  /** Whether recorded timing retains idle gaps between user turns. */
+  /** Whether recorded timing retains idle gaps between operations. */
   actualTime: boolean
   /** Select complete wall-clock timing or idle-compressed timing. */
   onActualTimeChange: (actualTime: boolean) => void
-  /** Number of turns containing more than one row. */
-  collapsibleTurns: number
   /** Whether every collapsible turn is currently folded. */
   allTurnsCollapsed: boolean
   /** Fold or expand every collapsible turn. */
   onToggleAllTurns: () => void
-  /** Number of assistant messages followed by tool calls. */
-  collapsibleAssistants: number
   /** Whether every collapsible assistant's tool calls are currently folded. */
   allAssistantsCollapsed: boolean
   /** Fold or expand tool calls under every collapsible assistant. */
@@ -40,10 +36,8 @@ export function TrajectoryToolbar({
   onActualDurationChange,
   actualTime,
   onActualTimeChange,
-  collapsibleTurns,
   allTurnsCollapsed,
   onToggleAllTurns,
-  collapsibleAssistants,
   allAssistantsCollapsed,
   onToggleAllAssistants,
   searchQuery,
@@ -91,7 +85,6 @@ export function TrajectoryToolbar({
             aria-label={allTurnsCollapsed ? 'Expand turns' : 'Collapse turns'}
             aria-pressed={allTurnsCollapsed}
             title={allTurnsCollapsed ? 'Expand turns' : 'Collapse turns'}
-            disabled={collapsibleTurns === 0}
             onClick={onToggleAllTurns}
           >
             <span className={css.actionIcon} aria-hidden="true">
@@ -105,7 +98,6 @@ export function TrajectoryToolbar({
             aria-label={allAssistantsCollapsed ? 'Expand calls' : 'Collapse calls'}
             aria-pressed={allAssistantsCollapsed}
             title={allAssistantsCollapsed ? 'Expand calls' : 'Collapse calls'}
-            disabled={collapsibleAssistants === 0}
             onClick={onToggleAllAssistants}
           >
             <span className={css.actionIcon} aria-hidden="true">
diff --git a/packages/client/ui-trajectory/src/client/TrajectoryView.tsx b/packages/client/ui-trajectory/src/client/TrajectoryView.tsx
index 8fb851fa8c..d62074a26c 100644
--- a/packages/client/ui-trajectory/src/client/TrajectoryView.tsx
+++ b/packages/client/ui-trajectory/src/client/TrajectoryView.tsx
@@ -5,7 +5,7 @@ import type { ConvViewProps } from '@deepseek-ai/dsh-client-ui-conversation/clie
 import type { InjectFace } from '@deepseek-ai/dsh-client-ui-slots'
 import type {
   AssistantMessageNode, ConversationContext,
-  SessionHistoryFace,
+  SessionHistoryFace, SnapshotStore,
 } from '@deepseek-ai/dsh-client-runtime/client'
 import {
   deriveTrajectoryContextBranches, trajectoryBranchContainsRequest,
@@ -29,8 +29,12 @@ const EMPTY_IDS: ReadonlySet<number> = new Set()
 
 /** Session-history paging needed by the event-complete trajectory view. */
 export interface TrajectoryViewInjected {
-  hooks: { history: SessionHistoryFace }
+  hooks: {
+    history: SessionHistoryFace
+    duration: SnapshotStore<boolean>
+  }
   loadAllHistory: (signal: AbortSignal) => Promise<void>
+  setActualDuration: (actualDuration: boolean) => void
 }
 
 interface UsageLike {
@@ -102,7 +106,7 @@ function searchMatches(
           ...(cell.outputBlocks ?? []),
         ]
         const text = [
-          `turn ${turn.turn}`,
+          turn.turn === null ? 'between turns' : `turn ${turn.turn}`,
           group.title,
           cell.kind,
           cell.kind === 'message' ? 'assistant' : undefined,
@@ -134,7 +138,7 @@ function searchMatches(
 }
 
 export function TrajectoryView({
-  useHistory, loadAllHistory,
+  useHistory, useDuration, loadAllHistory, setActualDuration, inspect, onInspectDone,
 }: ConvViewProps & InjectFace<TrajectoryViewInjected>) {
   const [collapsedTurns, setCollapsedTurns] = useState<ReadonlySet<number>>(EMPTY_IDS)
   const [collapsedAssistants, setCollapsedAssistants] =
@@ -143,7 +147,7 @@ export function TrajectoryView({
     branchId: number
     range: TrajectoryTimeRange
   } | null>(null)
-  const [actualDuration, setActualDuration] = useState(false)
+  const actualDuration = useDuration(value => value)
   const [actualTime, setActualTime] = useState(false)
   const [searchQuery, setSearchQuery] = useState('')
   const [selectedTimelineIndex, setSelectedTimelineIndex] = useState<number | null>(null)
@@ -383,13 +387,15 @@ export function TrajectoryView({
   const collapsibleTurnIds = useMemo(
     () => turns
       .filter(turn =>
+        turn.turn !== null
+        &&
         turn.groups.reduce(
           (count, group) =>
             count + group.cells.filter(cell =>
               cell.requestOnly !== true && cell.kind !== 'system').length,
           0,
         ) > 1)
-      .map(turn => turn.turn),
+      .flatMap(turn => turn.turn === null ? [] : [turn.turn]),
     [turns],
   )
   const allTurnsCollapsed = collapsibleTurnIds.length > 0
@@ -465,10 +471,8 @@ export function TrajectoryView({
           setActualTime(nextActualTime)
           setTimelineSelection(null)
         }}
-        collapsibleTurns={collapsibleTurnIds.length}
         allTurnsCollapsed={allTurnsCollapsed}
         onToggleAllTurns={toggleAllTurns}
-        collapsibleAssistants={collapsibleAssistantIds.length}
         allAssistantsCollapsed={allAssistantsCollapsed}
         onToggleAllAssistants={toggleAllAssistants}
         searchQuery={searchQuery}
@@ -519,6 +523,8 @@ export function TrajectoryView({
           onToggleTurn={toggleTurn}
           collapsedAssistants={collapsedAssistants}
           onToggleAssistant={toggleAssistant}
+          inspectCallId={inspect?.callId ?? null}
+          onInspectApplied={onInspectDone}
         />
       </div>
     </div>
diff --git a/packages/client/ui-trajectory/src/client/context-branches.ts b/packages/client/ui-trajectory/src/client/context-branches.ts
index 239953b5fd..3b123b051b 100644
--- a/packages/client/ui-trajectory/src/client/context-branches.ts
+++ b/packages/client/ui-trajectory/src/client/context-branches.ts
@@ -107,6 +107,8 @@ export function trajectoryBranchContainsRequest(
     request.resultSeq !== undefined
     && branch.retainedSurfaceSeqs.has(request.resultSeq)
   ) || (
+    request.purpose === 'compaction'
+    &&
     request.replacementSeq !== undefined
     && branch.retainedSurfaceSeqs.has(request.replacementSeq)
   )
diff --git a/packages/client/ui-trajectory/src/client/duration-store.ts b/packages/client/ui-trajectory/src/client/duration-store.ts
new file mode 100644
index 0000000000..f965dff2d8
--- /dev/null
+++ b/packages/client/ui-trajectory/src/client/duration-store.ts
@@ -0,0 +1,13 @@
+import {
+  createSnapshotStore, type SnapshotStore,
+} from '@deepseek-ai/dsh-client-runtime/client'
+
+/**
+ * Create the browser-wide trajectory duration preference source.
+ * @returns a persisted source shared by every session view in one plugin lifecycle.
+ */
+export function createTrajectoryDurationStore(): SnapshotStore<boolean> {
+  return createSnapshotStore(false, {
+    persist: { name: 'dsh.trajectory.duration' },
+  })
+}
diff --git a/packages/client/ui-trajectory/src/client/index.ts b/packages/client/ui-trajectory/src/client/index.ts
index 347b5c9cec..94f512a9a8 100644
--- a/packages/client/ui-trajectory/src/client/index.ts
+++ b/packages/client/ui-trajectory/src/client/index.ts
@@ -7,6 +7,7 @@ import type { SessionId } from '@deepseek-ai/dsh-client-runtime/client'
 // Type-only: the 'conversation.view' SlotMap row (declared by the slot's
 // owning package) must be in the program for the register calls to type.
 import type {} from '@deepseek-ai/dsh-client-ui-conversation/client'
+import { createTrajectoryDurationStore } from './duration-store.ts'
 import { TrajectoryView, type TrajectoryViewInjected } from './TrajectoryView.tsx'
 
 /**
@@ -24,6 +25,7 @@ export const inject = ['slots', 'conversation', 'sessionHistory']
  * @param ctx - client root context.
  */
 export function apply(ctx: Context): void {
+  const duration = createTrajectoryDurationStore()
   ctx.slots.register({
     name: 'conversation.view',
     id: 'trajectory',
@@ -32,8 +34,9 @@ export function apply(ctx: Context): void {
     inject: (sessionId: SessionId): TrajectoryViewInjected => {
       const history = ctx.sessionHistory.source(sessionId)
       return {
-        hooks: { history },
+        hooks: { history, duration },
         loadAllHistory: signal => history.loadAll(signal),
+        setActualDuration: (value) => { duration.set(value) },
       }
     },
   }, TrajectoryView)
diff --git a/packages/client/ui-trajectory/src/client/layout.ts b/packages/client/ui-trajectory/src/client/layout.ts
index 0745a0c8df..3364ebce3e 100644
--- a/packages/client/ui-trajectory/src/client/layout.ts
+++ b/packages/client/ui-trajectory/src/client/layout.ts
@@ -25,9 +25,9 @@ export interface TrajectoryGroupModel {
   cells: readonly TrajectoryCellProps[]
 }
 
-/** One sticky-turn section. */
+/** One sticky turn, or a standalone compaction section between turns. */
 export interface TrajectoryTurnModel {
-  turn: number
+  turn: number | null
   groups: readonly TrajectoryGroupModel[]
 }
 
@@ -67,6 +67,9 @@ interface TurnBucket {
   groups: LaidGroup[]
 }
 
+type AssistantRequestView = Extract<RequestView, { purpose: 'assistant' }>
+type CompactionRequestView = Extract<RequestView, { purpose: 'compaction' }>
+
 const PREVIEW_SOURCE_CHARACTERS = 2_048
 const PREVIEW_OUTPUT_CHARACTERS = 512
 
@@ -85,18 +88,18 @@ type OrderedLayoutEntry =
   | {
     kind: 'compaction'
     seq: number
-    request: RequestView
+    request: CompactionRequestView
   }
   | {
     kind: 'system'
     seq: number
-    request: RequestView
+    request: AssistantRequestView
     change: RequestPromptChange
   }
   | {
     kind: 'request'
     seq: number
-    request: RequestView
+    request: AssistantRequestView
   }
 
 function layoutEntryOrder(entry: OrderedLayoutEntry): number {
@@ -141,6 +144,7 @@ export function deriveTrajectoryLayout(input: TrajectoryLayoutInput): readonly T
     if (startedAt !== null) callStartById.set(call.callId, startedAt)
   }
   const turns = new Map<number, TurnBucket>()
+  const standaloneCompactions: TurnBucket[] = []
   let index = 0
   let prevAbsTime: number | null = null
   let lastAssistantTurn: number | null = null
@@ -196,13 +200,16 @@ export function deriveTrajectoryLayout(input: TrajectoryLayoutInput): readonly T
       nodeIndex,
     })),
     ...requests
-      .filter(request => request.purpose === 'compaction')
+      .filter((request): request is CompactionRequestView =>
+        request.purpose === 'compaction')
       .map(request => ({
         kind: 'compaction' as const,
         seq: request.startSeq,
         request,
       })),
-    ...requests.flatMap(request => request.promptChange === undefined || request.prompt === undefined
+    ...requests.flatMap(request => request.purpose !== 'assistant'
+      || request.promptChange === undefined
+      || request.prompt === undefined
       ? []
       : [{
         kind: 'system' as const,
@@ -211,7 +218,8 @@ export function deriveTrajectoryLayout(input: TrajectoryLayoutInput): readonly T
         change: request.promptChange,
       }]),
     ...requests
-      .filter(request => request.purpose === 'assistant')
+      .filter((request): request is AssistantRequestView =>
+        request.purpose === 'assistant')
       .filter(request =>
         !representedRequests.has(`${request.turn}\u0000${request.step}`),
       )
@@ -302,13 +310,17 @@ export function deriveTrajectoryLayout(input: TrajectoryLayoutInput): readonly T
         startedAt: finiteTime(request.startedAt),
       }
       attachUsage(cell, request.usage as UsageLike | undefined)
-      bucket(request.turn).groups.push({
-        title: `Compaction ${request.startSeq}`,
-        laid: [{
-          absTime: finiteTime(request.startedAt),
-          cell,
+      const compaction: TurnBucket = {
+        groups: [{
+          title: `Compaction ${request.startSeq}`,
+          laid: [{
+            absTime: finiteTime(request.startedAt),
+            cell,
+          }],
         }],
-      })
+      }
+      if (request.turn === null) standaloneCompactions.push(compaction)
+      else bucket(request.turn).groups.push(...compaction.groups)
       prevAbsTime = finiteTime(request.completedAt) ?? finiteTime(request.startedAt) ?? prevAbsTime
       continue
     }
@@ -357,6 +369,12 @@ export function deriveTrajectoryLayout(input: TrajectoryLayoutInput): readonly T
       prevAbsTime = finiteTime(node.time) ?? prevAbsTime
       continue
     }
+    if (node.kind === 'compaction') {
+      // Chat owns the human-facing compaction marker. It contributes no
+      // duplicate trajectory cell, but still advances the duration cursor.
+      prevAbsTime = finiteTime(node.time) ?? prevAbsTime
+      continue
+    }
     if (node.kind === 'tool-result') {
       if (!emittedCallIds.has(node.callId)) {
         const toolName = node.call?.name
@@ -445,15 +463,16 @@ export function deriveTrajectoryLayout(input: TrajectoryLayoutInput): readonly T
     turns.set(1, first)
   }
 
-  for (const entry of turns.values()) {
+  for (const entry of [...turns.values(), ...standaloneCompactions]) {
     for (const group of entry.groups) {
       for (const laid of group.laid) attachToolSchema(laid, callSchemas)
     }
   }
 
-  return [...turns.entries()]
-    .sort(([a], [b]) => a - b)
-    .map(([turn, entry]) => toTurnModel(turn, entry))
+  return [
+    ...[...turns.entries()].map(([turn, entry]) => toTurnModel(turn, entry)),
+    ...standaloneCompactions.map(entry => toTurnModel(null, entry)),
+  ].sort((left, right) => firstCellIndex(left) - firstCellIndex(right))
 }
 
 function attachToolSchema(
@@ -467,7 +486,7 @@ function attachToolSchema(
 }
 
 function toTurnModel(
-  turn: number,
+  turn: number | null,
   entry: TurnBucket,
 ): TrajectoryTurnModel {
   const groups = entry.groups.map(({ title, laid }): TrajectoryGroupModel => {
@@ -481,6 +500,14 @@ function toTurnModel(
   return { turn, groups }
 }
 
+/** Chronological section position from the fold's monotonically assigned cell indexes. */
+function firstCellIndex(turn: TrajectoryTurnModel): number {
+  return Math.min(
+    ...turn.groups.flatMap(group => group.cells.map(cell => cell.index)),
+    Number.POSITIVE_INFINITY,
+  )
+}
+
 /** Wall-span duration + tool histogram, e.g. `1.5 s bash×6`. */
 function groupDescription(laid: readonly LaidCell[]): string | undefined {
   const parts: string[] = []
diff --git a/packages/client/ui-trajectory/src/client/timeline.ts b/packages/client/ui-trajectory/src/client/timeline.ts
index 88682b04bb..6b9eac10b7 100644
--- a/packages/client/ui-trajectory/src/client/timeline.ts
+++ b/packages/client/ui-trajectory/src/client/timeline.ts
@@ -87,10 +87,12 @@ export function deriveTrajectoryTimeline(
       group.cells.filter(cell => cell.requestOnly !== true),
     )
     if (cells.length === 0) continue
-    turnBoundaries.push({
-      turn: turn.turn,
-      time: spans.length,
-    })
+    if (turn.turn !== null) {
+      turnBoundaries.push({
+        turn: turn.turn,
+        time: spans.length,
+      })
+    }
     spans.push(...cells.map((cell, offset): TrajectoryTimelineSpan => ({
       start: spans.length + offset,
       end: spans.length + offset + 1,
@@ -114,14 +116,9 @@ export function deriveTrajectoryTimeline(
 function deriveTimedTimeline(
   turns: readonly TrajectoryTurnModel[],
   actualDuration: boolean,
-  removeUserIdle: boolean,
+  compressIdle: boolean,
 ): TrajectoryTimelineModel | null {
-  const spans: TrajectoryTimelineSpan[] = []
-  const turnBoundaries: TrajectoryTimelineTurnBoundary[] = []
-  let removedUserIdle = 0
-  let previousTurnEnd: number | null = null
-
-  for (const turn of turns) {
+  const timedTurns = turns.flatMap((turn) => {
     const rawSpans = turn.groups.flatMap(group =>
       group.cells.flatMap((cell): TrajectoryTimelineSpan[] => {
         if (cell.requestOnly === true) return []
@@ -138,28 +135,43 @@ function deriveTimedTimeline(
           }]
       }),
     )
-    if (rawSpans.length === 0) continue
+    return rawSpans.length === 0 ? [] : [{ turn: turn.turn, rawSpans }]
+  })
+  const rawSpans = timedTurns.flatMap(turn => turn.rawSpans)
+  if (rawSpans.length === 0) return null
 
-    const turnStart = Math.min(...rawSpans.map(span => span.start))
-    const turnEnd = Math.max(...rawSpans.map(span => span.end))
-    if (removeUserIdle && previousTurnEnd !== null) {
-      removedUserIdle += Math.max(0, turnStart - previousTurnEnd)
+  const removedIdleBySpan = new Map<TrajectoryTimelineSpan, number>()
+  let removedIdle = 0
+  let coveredUntil: number | null = null
+  for (const span of [...rawSpans].sort((left, right) =>
+    left.start - right.start || left.end - right.end)) {
+    if (compressIdle && coveredUntil !== null && span.start > coveredUntil) {
+      removedIdle += span.start - coveredUntil
+    }
+    removedIdleBySpan.set(span, removedIdle)
+    coveredUntil = coveredUntil === null ? span.end : Math.max(coveredUntil, span.end)
+  }
+
+  const spans: TrajectoryTimelineSpan[] = []
+  const turnBoundaries: TrajectoryTimelineTurnBoundary[] = []
+  for (const turn of timedTurns) {
+    const projected = turn.rawSpans.map((span): TrajectoryTimelineSpan => {
+      const offset = removedIdleBySpan.get(span) ?? 0
+      return {
+        ...span,
+        start: span.start - offset,
+        end: (actualDuration ? span.end : span.start) - offset,
+      }
+    })
+    spans.push(...projected)
+    if (turn.turn !== null) {
+      turnBoundaries.push({
+        turn: turn.turn,
+        time: Math.min(...projected.map(span => span.start)),
+      })
     }
-    spans.push(...rawSpans.map(span => ({
-      ...span,
-      start: span.start - removedUserIdle,
-      end: (actualDuration ? span.end : span.start) - removedUserIdle,
-    })))
-    turnBoundaries.push({
-      turn: turn.turn,
-      time: turnStart - removedUserIdle,
-    })
-    previousTurnEnd = previousTurnEnd === null
-      ? turnEnd
-      : Math.max(previousTurnEnd, turnEnd)
   }
 
-  if (spans.length === 0) return null
   return {
     start: Math.min(...spans.map(span => span.start)),
     end: Math.max(...spans.map(span => span.end)),
diff --git a/packages/client/ui-trajectory/src/client/views.module.css b/packages/client/ui-trajectory/src/client/views.module.css
index 3dd80c077a..326ac41a99 100644
--- a/packages/client/ui-trajectory/src/client/views.module.css
+++ b/packages/client/ui-trajectory/src/client/views.module.css
@@ -27,6 +27,9 @@
 }
 
 .ledger {
+  position: relative;
+  z-index: 0;
+  isolation: isolate;
   display: flex;
   flex: 1;
   min-height: 0;
diff --git a/packages/client/ui-trajectory/tests/client-bundle.spec.ts b/packages/client/ui-trajectory/tests/client-bundle.spec.ts
index e64c98e63c..ebf4a87bd2 100644
--- a/packages/client/ui-trajectory/tests/client-bundle.spec.ts
+++ b/packages/client/ui-trajectory/tests/client-bundle.spec.ts
@@ -47,6 +47,7 @@ describe('tsdown client artifact', () => {
     const modules = new Map<string, unknown>([
       ['react', await import('react')],
       ['react/jsx-runtime', await import('react/jsx-runtime')],
+      ['@deepseek-ai/dsh-client-runtime/client', await import('@deepseek-ai/dsh-client-runtime/client')],
       ['@deepseek-ai/dsh-client-ui-primitives', await import('@deepseek-ai/dsh-client-ui-primitives')],
     ])
     const surface = handoff!.factory((spec) => {
diff --git a/packages/client/ui-trajectory/tests/context-branches.spec.ts b/packages/client/ui-trajectory/tests/context-branches.spec.ts
index dc5068a471..ae1fecbaea 100644
--- a/packages/client/ui-trajectory/tests/context-branches.spec.ts
+++ b/packages/client/ui-trajectory/tests/context-branches.spec.ts
@@ -38,17 +38,22 @@ function request(
   resultSeq?: number,
   replacementSeq?: number,
 ): RequestView {
-  return {
-    purpose,
+  const base = {
     startSeq,
-    turn: 1,
-    step: purpose === 'assistant' ? 1 : 0,
     startedAt: startSeq,
     completedAt: startSeq + 1,
-    status: 'complete',
+    status: 'complete' as const,
     ...(resultSeq === undefined ? {} : { resultSeq }),
-    ...(replacementSeq === undefined ? {} : { replacementSeq }),
   }
+  return purpose === 'assistant'
+    ? { ...base, purpose, turn: 1, step: 1 }
+    : {
+      ...base,
+      purpose,
+      turn: 1,
+      step: 0,
+      ...(replacementSeq === undefined ? {} : { replacementSeq }),
+    }
 }
 
 describe('trajectory context branches', () => {
diff --git a/packages/client/ui-trajectory/tests/layout.spec.tsx b/packages/client/ui-trajectory/tests/layout.spec.tsx
index b2271f9e9f..dbd20b53f9 100644
--- a/packages/client/ui-trajectory/tests/layout.spec.tsx
+++ b/packages/client/ui-trajectory/tests/layout.spec.tsx
@@ -5,7 +5,9 @@
  */
 import { afterEach, describe, expect, it } from 'vitest'
 import { cleanup, render, screen } from '@testing-library/react'
-import type { ConversationSnapshot } from '@deepseek-ai/dsh-client-runtime/client'
+import type {
+  ConversationSnapshot, RequestView,
+} from '@deepseek-ai/dsh-client-runtime/client'
 import { TrajectoryGroupHeader } from '../src/client/TrajectoryGroupHeader.tsx'
 import { TrajectoryTurn } from '../src/client/TrajectoryTurn.tsx'
 import { TrajectoryTurnHeader } from '../src/client/TrajectoryTurnHeader.tsx'
@@ -161,6 +163,49 @@ describe('deriveTrajectoryLayout', () => {
     expect(turns[1]?.groups.flatMap(g => g.cells.map(c => c.text))).toEqual(['second', 'ok2'])
   })
 
+  it('places standalone compaction chronologically in its own between-turn section', () => {
+    const nodes = [
+      { kind: 'user', seq: 1, time: 1_000, content: [{ type: 'text', text: 'first' }], source: null },
+      {
+        kind: 'assistant', seq: 2, time: 2_000, turn: 1, step: 1,
+        blocks: [{ kind: 'text', text: 'before compaction' }],
+      },
+      { kind: 'user', seq: 5, time: 5_000, content: [{ type: 'text', text: 'second' }], source: null },
+      {
+        kind: 'assistant', seq: 6, time: 6_000, turn: 2, step: 1,
+        blocks: [{ kind: 'text', text: 'after compaction' }],
+      },
+    ] as unknown as ConversationSnapshot['nodes']
+    const compaction: RequestView = {
+      purpose: 'compaction',
+      startSeq: 3,
+      turn: null,
+      step: 0,
+      startedAt: 3_000,
+      completedAt: 4_000,
+      status: 'complete',
+      summary: [{ type: 'text', text: 'standalone summary' }],
+    }
+
+    const turns = deriveTrajectoryLayout({
+      codeDispatches: new Map(),
+      nodes,
+      partial: null,
+      runningCalls: [],
+      requests: [compaction],
+    })
+
+    expect(turns.map(turn => turn.turn)).toEqual([1, null, 2])
+    expect(turns[1]?.groups).toMatchObject([{
+      title: 'Compaction 3',
+      cells: [{
+        kind: 'compacted',
+        sourceSeq: 3,
+        text: 'standalone summary',
+      }],
+    }])
+  })
+
   it('keeps usage and a meaningful summary when assistant has no text block', () => {
     const nodes = [
       {
@@ -195,7 +240,7 @@ describe('deriveTrajectoryLayout', () => {
     expect(message?.thinkingDetail).toBe(thinking)
   })
 
-  it('advances the duration cursor over context nodes', () => {
+  it('advances the duration cursor over context and compaction nodes', () => {
     const nodes = [
       { kind: 'user', seq: 1, time: 1_000, content: [{ type: 'text', text: 'hi' }], source: null },
       {
@@ -211,17 +256,21 @@ describe('deriveTrajectoryLayout', () => {
         kind: 'context', seq: 4, time: 9_000,
         content: [{ type: 'text', text: 'extra' }], source: null,
       },
+      // A landed compaction renders no cell, but is still a real log position,
+      // so it moves the cursor after the visible context row.
+      { kind: 'compaction', seq: 5, time: 9_500, summary: 'checkpoint facts' },
       {
-        kind: 'assistant', seq: 5, time: 10_000, turn: 1, step: 0,
+        kind: 'assistant', seq: 6, time: 10_000, turn: 1, step: 0,
         blocks: [{ kind: 'text', text: 'done' }],
       },
     ] as unknown as ConversationSnapshot['nodes']
     const turns = deriveTrajectoryLayout({ codeDispatches: new Map(), nodes, partial: null, runningCalls: [] })
-    const message = turns[0]?.groups
-      .flatMap(g => g.cells)
-      .find(c => c.kind === 'message' && c.text === 'done')
-    // From context at 9s, not from the earlier user/tool surfaces.
-    expect(message?.timeSeconds).toBe(1)
+    const cells = turns[0]?.groups.flatMap(g => g.cells) ?? []
+    const message = cells.find(c => c.kind === 'message' && c.text === 'done')
+    // From the compaction marker at 9.5s, not from context at 9s or the earlier surfaces.
+    expect(message?.timeSeconds).toBe(0.5)
+    // Context remains inspectable in trajectory; the Chat marker is not duplicated.
+    expect(cells.map(cell => cell.kind)).toEqual(['user', 'message', 'tool', 'context', 'message'])
   })
 
   it('uses the recorded step start for assistant duration when timing exists', () => {
diff --git a/packages/client/ui-trajectory/tests/table.spec.tsx b/packages/client/ui-trajectory/tests/table.spec.tsx
index 39c4cf8084..f02eb6e0cc 100644
--- a/packages/client/ui-trajectory/tests/table.spec.tsx
+++ b/packages/client/ui-trajectory/tests/table.spec.tsx
@@ -184,7 +184,9 @@ describe('TrajectoryTable', () => {
     expect(toolTag?.querySelector('[data-role-icon="wrench"]')).toBeTruthy()
 
     fireEvent.mouseEnter(toolTag as HTMLElement)
-    expect(screen.getByRole('tooltip').textContent).toBe('TOOL')
+    const tooltip = screen.getByRole('tooltip')
+    expect(tooltip.textContent).toBe('TOOL')
+    expect(tooltip.getAttribute('data-side')).toBe('right')
     fireEvent.mouseLeave(toolTag as HTMLElement)
     expect(screen.queryByRole('tooltip')).toBeNull()
   })
@@ -257,4 +259,50 @@ describe('TrajectoryTable', () => {
     expect(screen.getByRole('row', { name: /ASSISTANT/ })).toBeTruthy()
     expect(screen.getByRole('row', { name: /Collapsed turn summary/ })).toBeTruthy()
   })
+
+  const CALL_TURNS: readonly TrajectoryTurnModel[] = [{
+    turn: 1,
+    groups: [{
+      title: 'Step 1',
+      cells: [{
+        index: 1,
+        kind: 'tool',
+        text: 'bash · {"command":"pwd"}',
+        inputDetail: '{"command":"pwd"}',
+        callId: 'call-1',
+        timeSeconds: 0.1,
+      }],
+    }],
+  }]
+
+  it('an inspect target opens the matching record and acknowledges once', () => {
+    const onInspectApplied = vi.fn()
+    render(
+      <TrajectoryTable
+        turns={CALL_TURNS}
+        {...FOLD_PROPS}
+        inspectCallId="call-1"
+        onInspectApplied={onInspectApplied}
+      />,
+    )
+
+    expect(screen.getByRole('row', { name: /TOOL/ }).getAttribute('aria-selected')).toBe('true')
+    expect(screen.getByRole('complementary', { name: 'Event details' })).toBeTruthy()
+    expect(onInspectApplied).toHaveBeenCalledOnce()
+  })
+
+  it('an unmatched inspect target stays pending without acknowledgement', () => {
+    const onInspectApplied = vi.fn()
+    render(
+      <TrajectoryTable
+        turns={CALL_TURNS}
+        {...FOLD_PROPS}
+        inspectCallId="call-missing"
+        onInspectApplied={onInspectApplied}
+      />,
+    )
+
+    expect(screen.getByRole('row', { name: /TOOL/ }).getAttribute('aria-selected')).toBe('false')
+    expect(onInspectApplied).not.toHaveBeenCalled()
+  })
 })
diff --git a/packages/client/ui-trajectory/tests/views.spec.tsx b/packages/client/ui-trajectory/tests/views.spec.tsx
index ebb5f28bb8..39504fe66a 100644
--- a/packages/client/ui-trajectory/tests/views.spec.tsx
+++ b/packages/client/ui-trajectory/tests/views.spec.tsx
@@ -23,7 +23,6 @@ import type {
 import type { ConvViewProps, ViewTab } from '@deepseek-ai/dsh-client-ui-conversation/client'
 import { ConversationSession, type ConversationSessionProps } from '@deepseek-ai/dsh-client-ui-conversation/src/client/skeleton/ConversationSession.tsx'
 import { createChatStore } from '@deepseek-ai/dsh-client-ui-conversation/src/client/stores.ts'
-import { zh as conversationZh } from '@deepseek-ai/dsh-client-ui-conversation/src/client/locales.ts'
 import { apply, inject } from '@deepseek-ai/dsh-client-ui-trajectory/client'
 import { apply as nodeApply } from '@deepseek-ai/dsh-client-ui-trajectory'
 import type { TrajectoryTurnModel } from '../src/client/layout.ts'
@@ -31,22 +30,16 @@ import { TrajectoryTimeline } from '../src/client/TrajectoryTimeline.tsx'
 import {
   TrajectoryView, type TrajectoryViewInjected,
 } from '../src/client/TrajectoryView.tsx'
+import { createTrajectoryDurationStore } from '../src/client/duration-store.ts'
 import { deriveTrajectoryTimeline } from '../src/client/timeline.ts'
 
 const SID = 's1' as SessionId
 
-// Stub of the conversation package's standard locale seat (this spec mounts
-// its ConversationSession chrome); answers from the zh dictionary and falls
-// back to the key like the real chain.
-const tConversation: ConversationSessionProps['t'] =
-  key => (conversationZh as Record<string, string>)[key] ?? key
 afterEach(cleanup)
 // The chat store persists under its declared key; clear so one case's active
 // view cannot rehydrate into the next.
 beforeEach(() => {
-  // Node 22+ exposes an experimental localStorage global that is undefined
-  // without --localstorage-file; only clear when a real Storage is present.
-  if (typeof localStorage !== 'undefined') localStorage.clear()
+  localStorage.clear()
 })
 
 /** Node fixture: user prologue, two turns, one tool result inside turn 1. */
@@ -98,6 +91,16 @@ function standaloneHistory(
   }
 }
 
+function standaloneDuration(): Pick<
+  ComponentProps<typeof TrajectoryView>, 'useDuration' | 'setActualDuration'
+> {
+  const duration = createSnapshotStore(false)
+  return {
+    useDuration: bindSnapshotSelector(duration),
+    setActualDuration: (value) => { duration.set(value) },
+  }
+}
+
 function fakeSession(nodes: ConversationSnapshot['nodes']) {
   const store = createSnapshotStore({
     nodes, pending: [], partial: null,
@@ -115,7 +118,7 @@ function emptySessions() {
 
 function emptyWorkspaces() {
   const store = createSnapshotStore<WorkspaceListState>({
-    items: [], state: 'idle', phase: 'ready', error: null, baselinesReady: true,
+    items: [], archivedSessionIds: [], state: 'idle', phase: 'ready', error: null, baselinesReady: true,
     recentWorkspaceId: undefined,
   })
   return bindSnapshotSelector(store)
@@ -189,12 +192,15 @@ function mount(slots: SlotsService, nodes: ConversationSnapshot['nodes'] = NODES
       ? {}
       : injectEntry(SID)
     const injectedProps = 'hooks' in injected
-      ? {
-        loadAllHistory: (injected as TrajectoryViewInjected).loadAllHistory,
-        useHistory: bindSnapshotSelector(
-          (injected as TrajectoryViewInjected).hooks.history,
-        ),
-      }
+      ? (() => {
+        const trajectory = injected as TrajectoryViewInjected
+        return {
+          loadAllHistory: trajectory.loadAllHistory,
+          setActualDuration: trajectory.setActualDuration,
+          useHistory: bindSnapshotSelector(trajectory.hooks.history),
+          useDuration: bindSnapshotSelector(trajectory.hooks.duration),
+        }
+      })()
       : injected
     return (
       <View
@@ -207,7 +213,6 @@ function mount(slots: SlotsService, nodes: ConversationSnapshot['nodes'] = NODES
   return render(
     <ConversationSession
       sessionId={SID}
-      t={tConversation}
       SessionProvider={({ children }) => children(SID)}
       useSession={useSession}
       useSessions={emptySessions()}
@@ -224,7 +229,6 @@ function mount(slots: SlotsService, nodes: ConversationSnapshot['nodes'] = NODES
       useInput={bindSnapshotSelector(createSnapshotStore({ draft: '', draftRev: 0, phase: 'plain', queue: [] })) as never}
       inputActions={{ setDraft: vi.fn(), submit: vi.fn() }}
       bindDraftMirror={() => () => {}}
-      open={vi.fn()}
     />,
   )
 }
@@ -243,6 +247,24 @@ describe('plugin registration', () => {
     await b.fiber.dispose()
     expect(tabsOf(b.slots).map(v => v.id)).toEqual(['chat'])
   })
+
+  it('shares one browser-wide duration preference across session injections', async () => {
+    const b = await bench()
+    const entry = b.slots.entries('conversation.view')
+      .find(candidate => candidate.options.id === 'trajectory')
+    expect(entry).toBeDefined()
+    const injectEntry = entry!.inject as unknown as (
+      sessionId: SessionId,
+    ) => TrajectoryViewInjected
+    const first = injectEntry(SID)
+    const second = injectEntry('s2' as SessionId)
+
+    expect(second.hooks.duration).toBe(first.hooks.duration)
+    first.setActualDuration(true)
+    expect(second.hooks.duration.getSnapshot()).toBe(true)
+    expect(localStorage.getItem('dsh.trajectory.duration')).toBe('true')
+    expect(localStorage.getItem(`dsh.trajectory.duration.${SID}`)).toBeNull()
+  })
 })
 
 describe('tab switching in ConversationRoot', () => {
@@ -287,6 +309,105 @@ describe('tab switching in ConversationRoot', () => {
     expect(screen.queryByRole('complementary', { name: 'Event details' })).toBeNull()
   })
 
+  it('labels a standalone compaction as between-turn work in the ledger and inspector', async () => {
+    const nodes = [
+      { kind: 'user', seq: 1, time: 1_000, content: [], source: null },
+      {
+        kind: 'assistant', seq: 2, time: 2_000, turn: 1, step: 1,
+        blocks: [{ kind: 'text', text: 'before' }],
+      },
+      { kind: 'user', seq: 5, time: 5_000, content: [], source: null },
+      {
+        kind: 'assistant', seq: 6, time: 6_000, turn: 2, step: 1,
+        blocks: [{ kind: 'text', text: 'after' }],
+      },
+    ] as unknown as ConversationSnapshot['nodes']
+    const compaction: RequestView = {
+      purpose: 'compaction',
+      startSeq: 3,
+      turn: null,
+      step: 0,
+      startedAt: 3_000,
+      completedAt: 4_000,
+      status: 'complete',
+      summary: [{ type: 'text', text: 'standalone summary' }],
+    }
+    const b = await bench(historySnapshot(nodes, { requests: [compaction] }))
+    const view = mount(b.slots, nodes)
+    fireEvent.click(screen.getByRole('tab', { name: 'Trajectory' }))
+
+    expect(screen.getByText('Between turns')).toBeTruthy()
+    expect(view.container.textContent).not.toContain('Turn null')
+
+    fireEvent.click(screen.getByRole('button', { name: 'Request #2 · Compaction' }))
+    expect(screen.getByText('Compaction · Between turns')).toBeTruthy()
+    expect(view.container.textContent).not.toContain('Turn null')
+  })
+
+  it('activates only the selected standalone compaction section', async () => {
+    const nodes = [
+      { kind: 'user', seq: 1, time: 1_000, content: [], source: null },
+      {
+        kind: 'assistant', seq: 2, time: 2_000, turn: 1, step: 1,
+        blocks: [{ kind: 'text', text: 'before first compaction' }],
+      },
+      { kind: 'user', seq: 5, time: 5_000, content: [], source: null },
+      {
+        kind: 'assistant', seq: 6, time: 6_000, turn: 2, step: 1,
+        blocks: [{ kind: 'text', text: 'between compactions' }],
+      },
+      { kind: 'user', seq: 9, time: 9_000, content: [], source: null },
+      {
+        kind: 'assistant', seq: 10, time: 10_000, turn: 3, step: 1,
+        blocks: [{ kind: 'text', text: 'after second compaction' }],
+      },
+    ] as unknown as ConversationSnapshot['nodes']
+    const compactions: RequestView[] = [
+      {
+        purpose: 'compaction',
+        startSeq: 3,
+        turn: null,
+        step: 0,
+        startedAt: 3_000,
+        completedAt: 4_000,
+        status: 'complete',
+        summary: [{ type: 'text', text: 'first standalone summary' }],
+      },
+      {
+        purpose: 'compaction',
+        startSeq: 7,
+        turn: null,
+        step: 0,
+        startedAt: 7_000,
+        completedAt: 8_000,
+        status: 'complete',
+        summary: [{ type: 'text', text: 'second standalone summary' }],
+      },
+    ]
+    const b = await bench(historySnapshot(nodes, { requests: compactions }))
+    mount(b.slots, nodes)
+    fireEvent.click(screen.getByRole('tab', { name: 'Trajectory' }))
+
+    const firstRequest = screen.getByRole('button', { name: 'Request #2 · Compaction' })
+    const secondRequest = screen.getByRole('button', { name: 'Request #4 · Compaction' })
+    const firstSection = firstRequest.closest('tr')?.querySelector('span')
+    const secondSection = secondRequest.closest('tr')?.querySelector('span')
+    expect(firstSection?.textContent).toBe('Between turns')
+    expect(secondSection?.textContent).toBe('Between turns')
+
+    fireEvent.click(firstRequest)
+    expect(firstSection?.className).toMatch(/turnLabelActive/)
+    expect(secondSection?.className).not.toMatch(/turnLabelActive/)
+    expect(screen.getByText('Request #2')).toBeTruthy()
+    expect(screen.getByText('Compaction · Between turns')).toBeTruthy()
+
+    fireEvent.click(secondRequest)
+    expect(firstSection?.className).not.toMatch(/turnLabelActive/)
+    expect(secondSection?.className).toMatch(/turnLabelActive/)
+    expect(screen.getByText('Request #4')).toBeTruthy()
+    expect(screen.getByText('Compaction · Between turns')).toBeTruthy()
+  })
+
   it('dragging the overview focuses overlapping records without filtering the ledger', async () => {
     const b = await bench()
     mount(b.slots)
@@ -363,6 +484,12 @@ describe('tab switching in ConversationRoot', () => {
     fireEvent.click(screen.getByRole('tab', { name: 'Trajectory' }))
     expect(screen.getByRole('toolbar', { name: 'Trajectory toolbar' })).toBeTruthy()
     expect(screen.getByText('No timing data')).toBeTruthy()
+    expect(screen.getByRole<HTMLButtonElement>('button', {
+      name: 'Collapse turns',
+    }).disabled).toBe(false)
+    expect(screen.getByRole<HTMLButtonElement>('button', {
+      name: 'Collapse calls',
+    }).disabled).toBe(false)
     expect(screen.queryByRole('row')).toBeNull()
     expect(screen.queryByText(/turns ·/)).toBeNull()
   })
@@ -393,6 +520,28 @@ describe('timeline projection', () => {
     }],
   }] satisfies readonly TrajectoryTurnModel[]
 
+  it('cancels native scrolling across the timeline while zooming', () => {
+    render(
+      <TrajectoryTimeline
+        turns={longTurns}
+        mode="sequence"
+        range={null}
+        onRangeChange={vi.fn()}
+      />,
+    )
+    const plot = screen.getByLabelText('Timeline overview; drag horizontally to focus events')
+    vi.spyOn(plot, 'getBoundingClientRect').mockReturnValue({
+      x: 44, y: 0, left: 44, top: 0, right: 144, bottom: 50, width: 100, height: 50,
+      toJSON: () => ({}),
+    })
+
+    expect(fireEvent.wheel(plot, { clientX: 94, deltaY: -100 })).toBe(false)
+    expect(fireEvent.wheel(screen.getByText('Input'), {
+      clientX: 20,
+      deltaY: -100,
+    })).toBe(false)
+  })
+
   it('pans the zoomed viewport only far enough to reveal a newly selected record', async () => {
     const onRangeChange = vi.fn()
     const view = render(
@@ -445,7 +594,7 @@ describe('timeline projection', () => {
 
   it('auto-pans a zoomed viewport while a range drag pushes against an edge', () => {
     const onRangeChange = vi.fn()
-    render(
+    const view = render(
       <TrajectoryTimeline
         turns={longTurns}
         mode="sequence"
@@ -463,13 +612,26 @@ describe('timeline projection', () => {
     for (let index = 0; index < 24; index++) {
       fireEvent.pointerMove(plot, { clientX: 99, pointerId: 1 })
     }
+    const draftSelection = view.container.querySelectorAll<HTMLElement>(
+      '[data-dragging="true"]',
+    )
+    expect(draftSelection).toHaveLength(2)
+    for (const overlay of draftSelection) {
+      expect(Number.parseFloat(
+        overlay.style.getPropertyValue('--trajectory-selection-left'),
+      )).toBeLessThan(0)
+    }
     fireEvent.pointerUp(plot, { clientX: 99, pointerId: 1 })
 
     const selectedRange = onRangeChange.mock.calls.at(-1)?.[0] as
       | { start: number; end: number }
       | undefined
+    const fullRange = deriveTrajectoryTimeline(longTurns)
     expect(selectedRange).toBeDefined()
+    expect(fullRange).not.toBeNull()
     expect((selectedRange?.end ?? 0) - (selectedRange?.start ?? 0)).toBeGreaterThan(4)
+    expect(selectedRange?.start).toBeGreaterThanOrEqual(fullRange?.start ?? 0)
+    expect(selectedRange?.end).toBeLessThanOrEqual(fullRange?.end ?? 0)
   })
 
   it('uses equal-width operation slots and stable semantic lanes', () => {
@@ -560,6 +722,91 @@ describe('timeline projection', () => {
     })
   })
 
+  it('compresses every idle gap in duration mode while actual mode retains wall time', () => {
+    const separatedTurns = [
+      {
+        turn: 1,
+        groups: [{
+          title: 'Step 1',
+          cells: [
+            { index: 1, kind: 'message', text: 'first', startedAt: 1_000, timeSeconds: 1 },
+            { index: 2, kind: 'tool', text: 'within-turn gap', startedAt: 4_000, timeSeconds: 1 },
+          ],
+        }],
+      },
+      {
+        turn: 2,
+        groups: [{
+          title: 'Step 1',
+          cells: [
+            { index: 3, kind: 'message', text: 'after user idle', startedAt: 40_000, timeSeconds: 1 },
+          ],
+        }],
+      },
+    ] satisfies readonly TrajectoryTurnModel[]
+
+    expect(deriveTrajectoryTimeline(separatedTurns, 'duration')).toMatchObject({
+      start: 1_000,
+      end: 4_000,
+      spans: [
+        { index: 1, start: 1_000, end: 2_000 },
+        { index: 2, start: 2_000, end: 3_000 },
+        { index: 3, start: 3_000, end: 4_000 },
+      ],
+      turnBoundaries: [
+        { turn: 1, time: 1_000 },
+        { turn: 2, time: 3_000 },
+      ],
+    })
+    expect(deriveTrajectoryTimeline(separatedTurns, 'actual')).toMatchObject({
+      start: 1_000,
+      end: 41_000,
+      spans: [
+        { index: 1, start: 1_000, end: 2_000 },
+        { index: 2, start: 4_000, end: 5_000 },
+        { index: 3, start: 40_000, end: 41_000 },
+      ],
+    })
+  })
+
+  it('projects between-turn compaction without inventing a turn boundary', () => {
+    const withStandaloneCompaction = [
+      {
+        turn: 1,
+        groups: [{
+          title: 'Step 1',
+          cells: [{ index: 1, kind: 'message', text: 'before', timeSeconds: 0 }],
+        }],
+      },
+      {
+        turn: null,
+        groups: [{
+          title: 'Compaction 3',
+          cells: [{ index: 2, kind: 'compacted', text: 'summary', timeSeconds: 0 }],
+        }],
+      },
+      {
+        turn: 2,
+        groups: [{
+          title: 'Step 1',
+          cells: [{ index: 3, kind: 'message', text: 'after', timeSeconds: 0 }],
+        }],
+      },
+    ] satisfies readonly TrajectoryTurnModel[]
+
+    expect(deriveTrajectoryTimeline(withStandaloneCompaction)).toMatchObject({
+      spans: [
+        { index: 1, start: 0, end: 1 },
+        { index: 2, start: 1, end: 2 },
+        { index: 3, start: 2, end: 3 },
+      ],
+      turnBoundaries: [
+        { turn: 1, time: 0 },
+        { turn: 2, time: 2 },
+      ],
+    })
+  })
+
   it('empty inputs produce no model and the standalone view reports its empty form', () => {
     expect(deriveTrajectoryTimeline([])).toBeNull()
     render(createElement(
@@ -567,6 +814,7 @@ describe('timeline projection', () => {
       {
         ...standaloneProps([]),
         ...standaloneHistory(historySnapshot([])),
+        ...standaloneDuration(),
       },
     ))
     expect(screen.getByRole('toolbar', { name: 'Trajectory toolbar' })).toBeTruthy()
@@ -575,6 +823,38 @@ describe('timeline projection', () => {
 })
 
 describe('TrajectoryView branches', () => {
+  it('persists the duration preference through the runtime snapshot-store seam', () => {
+    const firstDuration = createTrajectoryDurationStore()
+    const commonProps = {
+      ...standaloneProps(NODES),
+      ...standaloneHistory(historySnapshot(NODES)),
+    }
+    const first = render(
+      <TrajectoryView
+        {...commonProps}
+        useDuration={bindSnapshotSelector(firstDuration)}
+        setActualDuration={(value) => { firstDuration.set(value) }}
+      />,
+    )
+    const duration = screen.getByRole('button', { name: 'Use actual duration' })
+
+    expect(duration.getAttribute('aria-pressed')).toBe('false')
+    fireEvent.click(duration)
+    expect(localStorage.getItem('dsh.trajectory.duration')).toBe('true')
+    first.unmount()
+
+    const restoredDuration = createTrajectoryDurationStore()
+    render(
+      <TrajectoryView
+        {...commonProps}
+        useDuration={bindSnapshotSelector(restoredDuration)}
+        setActualDuration={(value) => { restoredDuration.set(value) }}
+      />,
+    )
+    expect(screen.getByRole('button', { name: 'Use actual duration' }).getAttribute('aria-pressed'))
+      .toBe('true')
+  })
+
   it('renders only the selected rewind branch while retaining session-global requests', () => {
     const retained = {
       kind: 'user',
@@ -630,6 +910,7 @@ describe('TrajectoryView branches', () => {
     const view = render(
       <TrajectoryView
         {...standaloneProps([])}
+        {...standaloneDuration()}
         useHistory={bindSnapshotSelector(store)}
         loadAllHistory={vi.fn(() => Promise.resolve())}
       />,
@@ -672,6 +953,7 @@ describe('TrajectoryView branches', () => {
     render(
       <TrajectoryView
         {...standaloneProps([])}
+        {...standaloneDuration()}
         useHistory={bindSnapshotSelector(store)}
         loadAllHistory={vi.fn(() => Promise.resolve())}
       />,
diff --git a/packages/client/ui-workspace/README.i18n.yaml b/packages/client/ui-workspace/README.i18n.yaml
index a50419efb6..f03db81178 100644
--- a/packages/client/ui-workspace/README.i18n.yaml
+++ b/packages/client/ui-workspace/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/client/ui-workspace/README.md
-README.md: 860c24b8a25a1e9968261f586c16163579131a1c
-README.zh.md: 5a8e88051fc6f4fd46c5f2f6dcdc185eb4559ac6
+README.md: 2854c678fd93d56267d0aec8515455b77d4bcbf1
+README.zh.md: 51db6cacfe83d176a6cc68b01fe3dd91acf49e25
diff --git a/packages/client/ui-workspace/README.md b/packages/client/ui-workspace/README.md
index 860c24b8a2..2854c678fd 100644
--- a/packages/client/ui-workspace/README.md
+++ b/packages/client/ui-workspace/README.md
@@ -2,9 +2,13 @@
 
 English | [中文](README.zh.md)
 
-Shared Workspace picker plugin. `WorkspaceBrowser` is registered into the sidebar's `sidebar.workspaces` slot and `WorkspacePicker` into the page-local Session Intent hero's `conversation.hero.workspace` slot, so both surfaces use the same menu and creation flow.
+Shared Workspace browser and picker plugin. `WorkspaceBrowser` fills the sidebar's `sidebar.workspaces` slot, while `WorkspacePicker` fills the page-local Session Intent hero's `conversation.hero.workspace` slot; both surfaces use the same Workspace menu and add flow.
 
-The picker lists real Host Workspace entities through the global `useWorkspaces` hook. Selecting a Workspace invokes the slot owner's `onPick` callback to retarget the frontend Session object. Each registration declares a **directory-flow child hole** (`single` kind: `conversation.hero.workspace.directoryFlow` / `sidebar.workspaces.directoryFlow`) that the composed picker package's client half fills with its picking interaction — the [`-native`](../../host/directory-picker-native/README.md) backend's renderless OS-chooser driver today, an in-app browsing dialog under a `-browse` composition. The flat **Open local folder...** action renders only while the surface's hole is occupied (occupancy read per menu render; an empty hole means the composition has no picking affordance — the seam's documented no-flow default). This package owns the trigger and the adoption: the occupant reports one picked path per open through the hole's owner conversation (`open`/`busy`/`onPicked`/`onCancel`/`onError`), and the owner adopts it through the object layer, selecting the committed Workspace only after its list projection has refreshed; cancellation is silent, and errors land in the retryable folder dialog whose **Choose again** reopens the flow. **Create a new workspace** retains the name dialog and disables names already present in that list, while the Host remains authoritative for concurrent or non-UI callers. The runtime Session and Workspace services own materialization. The Workspace row's Delete action opens a confirmation that states the retention boundary, blocks duplicate submission, and keeps failures open; success removes the group while its Sessions remain under Ungrouped. The Session row's Rename action opens the same browser-owned dialog pattern prefilled with the row's display title: no client-side conflict rule exists (the host normalizes and may reject with `title-invalid`, rendered in the dialog alert), and confirming an unchanged title is deliberately allowed — it pins the current automatic title against regeneration.
+The browser renders grouped or flat Session rows from the global runtime hooks and owns the Workspace add/rename and in-Workspace reorder flows. A non-blank search query replaces either browsing mode with one flat result list: case-insensitive title and Workspace substring matches appear immediately, while a 250 ms debounced Host request adds ranked current-conversation content matches and snippets. The English search input and its defensive request path remove NUL, cap the query at the wire schema's 500 UTF-16 code units without splitting a surrogate pair, and preserve the existing debounce and cancellation behavior. Each new query aborts the preceding request; a failed content search leaves metadata matches visible with a warning. The list is capped at 20, asks the user to narrow broader queries, and opens the selected Session without clearing the query or jumping to a specific event.
+
+The picker lists real Host Workspace entities through the global `useWorkspaces` hook. Selecting a Workspace invokes the slot owner's `onPick` callback to retarget the frontend Session object. Distinct canonical paths remain separate id-keyed Workspaces when their basenames and display titles match; the sidebar hover detail exposes the full path. Each registration declares a **directory-flow child hole** (`single` kind: `conversation.hero.workspace.directoryFlow` / `sidebar.workspaces.directoryFlow`) that the composed picker package's client half fills with its picking interaction — the [`-native`](../../host/directory-picker-native/README.md) backend's renderless OS-chooser driver today, an in-app browsing dialog under a `-browse` composition. The flat **Add workspace...** action renders only while the surface's hole is occupied (occupancy read per menu render; an empty hole means the composition has no picking affordance — the seam's documented no-flow default, under which the sidebar header drops its add button rather than offering a dead one). This package owns the trigger and the adoption: the occupant reports one picked path per open through the hole's owner conversation (`open`/`busy`/`onPicked`/`onCancel`/`onError`), and the owner adopts it through the object layer, selecting the committed Workspace only after its list projection has refreshed; cancellation is silent, and errors land in the retryable folder dialog whose **Choose again** reopens the flow. Adding has exactly one route: the occupant's own create-folder affordance already covers a brand-new directory, so no separate create-by-name dialog exists. A menu only appears where there is something to choose between — with no Workspace listed, the anchor gesture raises the flow directly instead of a one-row popover, and it waits for the list baseline before treating an empty list as final. The runtime Session and Workspace services own materialization. The Workspace row's Delete action opens a confirmation that states the retention boundary, blocks duplicate submission, and keeps failures open; success removes the group while its Sessions remain under Ungrouped. The Session row's Rename action opens the same browser-owned dialog pattern prefilled with the row's display title: no client-side conflict rule exists (the host normalizes and may reject with `title-invalid`, rendered in the dialog alert), and confirming an unchanged title is deliberately allowed — it pins the current automatic title against regeneration. The Session row's Archive action commits without a confirmation dialog (non-destructive: the log and the workspace accounting slot remain) through `ctx.workspaces.archiveSession`; the row disappears from every grouping surface — workspace groups, Ungrouped, content search, and the flat list — when the archive-set echo lands, and failures are console diagnostics that leave the tree unchanged. A blank New Session row is a pure placeholder: it renders no row menu and no time label (nothing has happened in it yet), so rename, fork, and archive first apply once the first prompt lands.
+
+Workspace and Session hover cards copy the value their row clips: activating a Workspace card writes its full directory path, while activating a non-blank Session card writes its full display title. A provisional blank New Session card remains read-only because its localized label is a placeholder rather than session content. The card reports the dictionary-driven copied state only after the browser accepts the clipboard write.
 
 The Session row's Fork action forks at the source's last completed turn, increments the inherited persisted title on the client, and then opens the child; a trailing ASCII or fullwidth parenthesized number is incremented in the same style, while an unnumbered title gets ` (1)` appended. The source and child always appear as peer rows within a workspace group, with lineage retained only as session data. A fork or rename failure leaves the current selection unchanged; after a rename failure, the created child remains in the list.
 
@@ -20,5 +24,6 @@ None; this package neither assembles nor sends a provider request.
 
 ## Known Limitations and Deferred Work
 
-- **No Session deletion control** — the Session menu's Delete row remains visual-only; Workspace registration deletion does not delete Sessions.
+- **No fuzzy content search or event deep links** — the content backend uses literal token/phrase matching, and selecting a result opens the Session rather than the matching event.
+- **No Session deletion or unarchive control** — archiving replaces the former Delete placeholder; archived sessions have no viewing or unarchive surface yet, and Workspace registration deletion does not delete Sessions.
 - **Native folder selection depends on the local Host carrier** — under the `-native` composition, fixture-only or remote browser deployments cannot open a local operating-system dialog; platform failures are shown in a retryable modal. Remote-capable picking is the `-browse` composition's in-app flow.
diff --git a/packages/client/ui-workspace/README.zh.md b/packages/client/ui-workspace/README.zh.md
index 5a8e88051f..51db6cacfe 100644
--- a/packages/client/ui-workspace/README.zh.md
+++ b/packages/client/ui-workspace/README.zh.md
@@ -2,9 +2,13 @@
 
 [English](README.md) | 中文
 
-共享 Workspace 选择器插件。`WorkspaceBrowser` 注册到侧边栏的 `sidebar.workspaces` slot，`WorkspacePicker` 注册到页面局部 Session Intent 主视觉区的 `conversation.hero.workspace` slot，因此两个表层使用同一菜单和创建流程。
+共享 Workspace 浏览器与选择器插件。`WorkspaceBrowser` 填充侧边栏的 `sidebar.workspaces` slot，`WorkspacePicker` 则填充页面局部 Session Intent 主视觉区的 `conversation.hero.workspace` slot；两个表层使用同一套 Workspace 菜单和添加流程。
 
-该选择器通过全局 `useWorkspaces` hook 列出真实的 Host Workspace 实体。选择 Workspace 会调用 slot owner 的 `onPick` 回调，重新定位前端 Session 对象。每个注册各自声明一个**目录流子洞**（`single` kind：`conversation.hero.workspace.directoryFlow`／`sidebar.workspaces.directoryFlow`），由组合的选择器包 client half 填入其选取交互——今天是 [`-native`](../../host/directory-picker-native/README.md) 后端的无渲染 OS 选择器驱动，`-browse` 组合下则是应用内浏览对话框。平铺显示的 **打开本地文件夹…** 操作仅在本表层的洞被占用时渲染（每次菜单渲染读取占用状态；洞为空意味着该组合没有选目录能力——seam 文档化的无流程默认行为）。本包持有触发与接纳：占用者经洞的 owner 会话（`open`/`busy`/`onPicked`/`onCancel`/`onError`）每次打开上报一个所选路径，owner 通过对象层接纳它，并等待 Workspace 列表投影刷新后才选中已提交的 Workspace；取消操作不会显示提示，错误落入可重试的文件夹对话框，其 **重新选择** 会重新打开流程。**创建新工作区** 操作保留名称对话框，并禁用列表中已有的名称，而 Host 对并发或非 UI 调用方仍具有最终决定权。运行时 Session 与 Workspace 服务负责物化。Workspace 行内的 Delete 操作会打开确认框，说明保留边界、阻止重复提交，并在失败时保持打开；成功后，该分组会被移除，其 Session 则留在 Ungrouped 下。Session 行内的 Rename 操作打开同款浏览器持有的对话框，并以该行的显示标题预填：客户端不设名称冲突规则（host 负责规范化，可能以 `title-invalid` 拒绝，错误渲染在对话框告警区）；确认未修改的标题是有意允许的——这正是把当前自动标题钉住、不再被重新生成覆盖的手势。
+该浏览器通过全局运行时钩子将 Session 行渲染为分组或扁平形式，并负责 Workspace 添加／重命名和 Workspace 内的重排序流程。非空白查询会以单一扁平结果列表替代任一浏览模式：不区分大小写的标题和 Workspace 子串匹配项会立即显示，经 250 ms 防抖的 Host 请求则会加入经过排序的当前对话内容匹配项及其摘要片段。英文搜索输入框及其防御性请求路径会移除 NUL，将查询限制在传输 schema 规定的 500 个 UTF-16 code unit 内且不会拆分 surrogate pair，并保留现有的防抖与取消行为。每次新查询都会中止前一个请求；内容搜索失败时，元数据匹配项仍会显示，同时给出警告。列表最多显示 20 条结果，并会在查询过宽时提示用户缩小范围；打开所选 Session 时既不会清除查询，也不会跳转至特定事件。
+
+该选择器通过全局 `useWorkspaces` hook 列出真实的 Host Workspace 实体。选择 Workspace 会调用 slot owner 的 `onPick` 回调，重新定位前端 Session 对象。不同的规范路径即使 basename 和显示标题相同，仍会作为由 id 区分的独立 Workspace；侧边栏的悬停详情会显示完整路径。每个注册各自声明一个**目录流子洞**（`single` kind：`conversation.hero.workspace.directoryFlow`／`sidebar.workspaces.directoryFlow`），由组合的选择器包 client half 填入其选取交互——今天是 [`-native`](../../host/directory-picker-native/README.md) 后端的无渲染 OS 选择器驱动，`-browse` 组合下则是应用内浏览对话框。平铺显示的 **添加工作区…** 操作仅在本表层的洞被占用时渲染（每次菜单渲染读取占用状态；洞为空意味着该组合没有选目录能力——seam 文档化的无流程默认行为，此时侧边栏区头直接不渲染添加按钮，而非留下一个点了没反应的按钮）。本包持有触发与接纳：占用者经洞的 owner 会话（`open`/`busy`/`onPicked`/`onCancel`/`onError`）每次打开上报一个所选路径，owner 通过对象层接纳它，并等待 Workspace 列表投影刷新后才选中已提交的 Workspace；取消操作不会显示提示，错误落入可重试的文件夹对话框，其 **重新选择** 会重新打开流程。添加只有一条路径：占用者自带的新建文件夹能力已经覆盖了全新目录，因此不再单设按名称创建的对话框。菜单只在确有多个目标可选时出现——没有 Workspace 可列时，锚点手势直接拉起流程，而不是弹出只有一行的浮层；在列表基线落地前，空列表不算最终结果。运行时 Session 与 Workspace 服务负责物化。Workspace 行内的 Delete 操作会打开确认框，说明保留边界、阻止重复提交，并在失败时保持打开；成功后，该分组会被移除，其 Session 则留在 Ungrouped 下。Session 行内的 Rename 操作打开同款浏览器持有的对话框，并以该行的显示标题预填：客户端不设名称冲突规则（host 负责规范化，可能以 `title-invalid` 拒绝，错误渲染在对话框告警区）；确认未修改的标题是有意允许的——这正是把当前自动标题钉住、不再被重新生成覆盖的手势。Session 行内的 Archive 操作不经确认对话框直接提交（非破坏性：日志和 workspace 记账席位保持不变），通过 `ctx.workspaces.archiveSession` 归档；归档集合回声落地后，该行从所有分组视图——workspace 分组、Ungrouped、内容搜索和平铺列表——中消失，失败只作为控制台诊断输出，树保持不变。blank「新会话」行是纯占位：不渲染行菜单和时间标签（其中还没有发生任何事），rename/fork/归档都从首条 prompt 落地后才可用。
+
+Workspace 和 Session 悬浮卡片会复制对应行被截断的值：激活 Workspace 卡片会写入其完整目录路径，激活非空白 Session 卡片则会写入其完整显示标题。临时的空白「新会话」卡片保持只读，因为其本地化标签是占位文案，并非会话内容。只有浏览器接受剪贴板写入后，卡片才会显示由字典提供的已复制状态。
 
 Session 行内的 Fork 操作在源会话最后一个已完成轮次处 fork，在 client 端递增继承的持久化标题后再打开子会话；尾部半角或全角括号编号会原样式递增，无编号标题追加 ` (1)`。源会话与子会话在 workspace 组内始终作为同级行展示，谱系只保留为 session 数据。Fork 或改名失败都不会改变当前选中项，改名失败时已创建的子会话仍会留在列表中。
 
@@ -20,5 +24,6 @@ Session 行内的 Fork 操作在源会话最后一个已完成轮次处 fork，
 
 ## 已知限制与暂缓事项
 
-- **没有 Session 删除控件**：Session 菜单的 Delete 行仍仅提供视觉效果；删除 Workspace 注册记录不会删除 Session。
+- **没有模糊内容搜索或事件深链接**：内容后端采用字面 token／短语匹配，选择结果会打开 Session，而不是匹配的事件。
+- **没有 Session 删除与取消归档控件**：归档取代了原先的 Delete 占位；已归档会话尚无查看或取消归档入口；删除 Workspace 注册记录不会删除 Session。
 - **原生文件夹选择依赖本地 Host 载体**：在 `-native` 组合下，仅使用 fixture（测试前置数据）的部署或远程浏览器部署无法打开本地操作系统对话框；模态框会显示平台故障，并允许重试。可远程的选取是 `-browse` 组合的应用内流程。
diff --git a/packages/client/ui-workspace/src/client/WorkspaceBrowser.module.css b/packages/client/ui-workspace/src/client/WorkspaceBrowser.module.css
index cfab346bd3..970fc64e8b 100644
--- a/packages/client/ui-workspace/src/client/WorkspaceBrowser.module.css
+++ b/packages/client/ui-workspace/src/client/WorkspaceBrowser.module.css
@@ -217,6 +217,26 @@
   scrollbar-gutter: stable;
 }
 
+.list > [role='treeitem'] + [role='treeitem'] {
+  margin-top: 4px;
+}
+
+.searchTree > [role='treeitem'] + [role='treeitem'] {
+  margin-top: 4px;
+}
+
+.searchStatus,
+.searchWarning {
+  padding: 10px 12px;
+  font-size: 12px;
+  line-height: 18px;
+  color: var(--dsw-alias-label-tertiary);
+}
+
+.searchWarning {
+  color: var(--dsw-alias-label-secondary);
+}
+
 /* One workspace section: header row + expanded session run. Rows inside
    keep the former flat-list 4px gap as sibling margins; the inter-group
    breathing room (figma 133:7661 batch separator, 20px after an expanded
diff --git a/packages/client/ui-workspace/src/client/WorkspaceBrowser.tsx b/packages/client/ui-workspace/src/client/WorkspaceBrowser.tsx
index 85acf09920..93d432bd89 100644
--- a/packages/client/ui-workspace/src/client/WorkspaceBrowser.tsx
+++ b/packages/client/ui-workspace/src/client/WorkspaceBrowser.tsx
@@ -1,11 +1,13 @@
 /**
  * The workspace/session browsing region filling the sidebar shell's
- * `sidebar.workspaces` hole: section header (title + group-by + new
+ * `sidebar.workspaces` hole: section header (title + group-by + add
  * workspace), search, the grouped tree or flat list, and the workspace
  * dialogs. Wide state renders the full browser; rail state renders the two
- * region icons (search / new workspace), each requesting shell expansion
- * through the owner share. The picker menu and create dialogs live in
- * WorkspacePicker (same package — direct composition, no slot between them).
+ * region icons (search / add workspace), each requesting shell expansion
+ * through the owner share. Adding is the header button's one action, so it
+ * raises the directory flow with no menu in between; the flow and its error
+ * dialog live in WorkspacePicker (same package — direct composition, no slot
+ * between them).
  */
 import { useEffect, useMemo, useRef, useState } from 'react'
 import clsx from 'clsx'
@@ -13,12 +15,14 @@ import {
   Button, IconCloseFill14, IconPersonalizationOutline16,
   IconProjectAddOutline16, IconSearchOutline16, Menu, Modal, Tooltip,
 } from '@deepseek-ai/dsh-client-ui-primitives'
-import type { WorkspaceId, WorkspaceView } from '@deepseek-ai/dsh-client-runtime/client'
+import type {
+  SessionSearchResultItem, WorkspaceId, WorkspaceView,
+} from '@deepseek-ai/dsh-client-runtime/client'
 import type { WorkspaceBrowserProps } from './contract/slots.ts'
 import type { SessionNode } from './tree.ts'
-import { deriveFlat, deriveGroups, UNGROUPED_KEY } from './tree.ts'
-import { ProjectRowItem, SessionNodeItem } from './rows/Rows.tsx'
-import { WorkspaceCreateFlow } from './WorkspacePicker.tsx'
+import { deriveFlat, deriveGroups, deriveSearchResults, UNGROUPED_KEY } from './tree.ts'
+import { ProjectRowItem, SearchResultItem, SessionNodeItem } from './rows/Rows.tsx'
+import { WorkspacePickFlow } from './WorkspacePicker.tsx'
 import css from './WorkspaceBrowser.module.css'
 
 /**
@@ -26,6 +30,21 @@ import css from './WorkspaceBrowser.module.css'
  * focus() forces a synchronous layout and would jank the slide.
  */
 const EXPAND_SLIDE_MS = 300
+/** Pause between the latest keystroke and a Host content-search request. */
+const SEARCH_DEBOUNCE_MS = 250
+/** `session.search` wire bound, measured in JavaScript UTF-16 code units. */
+const SEARCH_QUERY_MAX_CODE_UNITS = 500
+
+/** Keep controlled input and RPC payload inside the session.search wire contract. */
+function sanitizeSearchQuery(value: string): string {
+  const withoutNul = value.replaceAll('\0', '')
+  if (withoutNul.length <= SEARCH_QUERY_MAX_CODE_UNITS) return withoutNul
+  let end = SEARCH_QUERY_MAX_CODE_UNITS
+  const last = withoutNul.charCodeAt(end - 1)
+  const next = withoutNul.charCodeAt(end)
+  if (last >= 0xD800 && last <= 0xDBFF && next >= 0xDC00 && next <= 0xDFFF) end--
+  return withoutNul.slice(0, end)
+}
 
 /** Immutable membership toggle for the local expansion arrays. */
 function toggled(list: readonly string[], key: string): string[] {
@@ -85,20 +104,22 @@ type SessionTreeProps = Pick<
   'useSessions' | 'startSession' | 'open' | 'forkSession' | 'insertSessionBefore' | 't'
 > & {
   workspaces: readonly WorkspaceView[]
-  /** Live search filter owned by the browser root (the query outlives the tree). */
-  query: string
+  /** Registry-global archive set (hidden rows). */
+  archivedSessionIds: readonly SessionNode['id'][]
   /** Open the browser-owned rename dialog for a real Workspace group. */
   onRenameRequest: (workspaceId: WorkspaceId, currentTitle: string) => void
   /** Open the browser-owned delete-confirmation dialog for a real Workspace group. */
   onDeleteRequest: (workspaceId: WorkspaceId, currentTitle: string) => void
   /** Open the browser-owned session rename dialog. */
   onSessionRename: (sessionId: SessionNode['id'], currentTitle: string) => void
+  /** Archive a session (row menu action; the row disappears on the state echo). */
+  onSessionArchive: (sessionId: SessionNode['id']) => void
 }
 
 /** The scrolling session tree; unmounting at collapse settle drops the sessions subscription and expansion state. */
 function SessionTree({
-  useSessions, startSession, open, forkSession, workspaces, query,
-  onRenameRequest, onDeleteRequest, onSessionRename, insertSessionBefore, t,
+  useSessions, startSession, open, forkSession, workspaces, archivedSessionIds,
+  onRenameRequest, onDeleteRequest, onSessionRename, onSessionArchive, insertSessionBefore, t,
 }: SessionTreeProps) {
   const list = useSessions(s => s)
   const current = list.current
@@ -114,8 +135,8 @@ function SessionTree({
     setExpandedProjects(l => (l.includes(currentGroup) ? l : [...l, currentGroup]))
   }, [current, currentGroup])
   const groups = useMemo(
-    () => deriveGroups(list, workspaces, { expandedProjects, query }),
-    [list, workspaces, expandedProjects, query],
+    () => deriveGroups(list, workspaces, archivedSessionIds, { expandedProjects }),
+    [list, workspaces, archivedSessionIds, expandedProjects],
   )
   const now = Date.now()
 
@@ -123,7 +144,7 @@ function SessionTree({
     <div className={clsx(css.treeBody, css.wide)}>
       <div className={css.list} role="tree" aria-label={t('section.sessions')}>
         {groups.length === 0 && (
-          <div className={css.empty}>{query === '' ? t('empty.none') : t('empty.noMatches')}</div>
+          <div className={css.empty}>{t('empty.none')}</div>
         )}
         {groups.map(group => (
           // Group section: header row + expanded top-level session rows. The
@@ -151,10 +172,10 @@ function SessionTree({
                 }}
             />
             {group.sessions.map((node, index) => {
-              // Draggable: real-workspace session rows outside search. The drag
+              // Draggable: real-workspace session rows. The drag
               // never leaves its group — rows of other groups show no markers
               // and reject drops (visual movement confined to this section).
-              const draggable = group.workspaceId !== undefined && query === ''
+              const draggable = group.workspaceId !== undefined
               const sameGroupDrag = drag !== null && drag.workspaceId === group.workspaceId
               const dragProps = !draggable || group.workspaceId === undefined ? undefined : {
                 start: () => {
@@ -194,6 +215,7 @@ function SessionTree({
                   onOpen={open}
                   onRename={onSessionRename}
                   onFork={forkSession}
+                  onArchive={onSessionArchive}
                   drag={dragProps}
                   t={t}
                 />
@@ -208,15 +230,17 @@ function SessionTree({
 }
 
 /** The flat "In one list" body: every session a top-level row, newest-first. */
-function FlatList({ useSessions, open, forkSession, onSessionRename, query, t }: Pick<SessionTreeProps, 'useSessions' | 'open' | 'forkSession' | 'onSessionRename' | 'query' | 't'>) {
+function FlatList({ useSessions, open, forkSession, onSessionRename, onSessionArchive, archivedSessionIds, t }: Pick<
+  SessionTreeProps, 'useSessions' | 'open' | 'forkSession' | 'onSessionRename' | 'onSessionArchive' | 'archivedSessionIds' | 't'
+>) {
   const list = useSessions(s => s)
-  const rows = useMemo(() => deriveFlat(list, { query }), [list, query])
+  const rows = useMemo(() => deriveFlat(list, archivedSessionIds), [list, archivedSessionIds])
   const now = Date.now()
   return (
     <div className={clsx(css.treeBody, css.wide)}>
       <div className={css.list} role="tree" aria-label={t('section.sessions')}>
         {rows.length === 0 && (
-          <div className={css.empty}>{query === '' ? t('empty.none') : t('empty.noMatches')}</div>
+          <div className={css.empty}>{t('empty.none')}</div>
         )}
         {rows.map(node => (
           <SessionNodeItem
@@ -227,6 +251,7 @@ function FlatList({ useSessions, open, forkSession, onSessionRename, query, t }:
             onOpen={open}
             onRename={onSessionRename}
             onFork={forkSession}
+            onArchive={onSessionArchive}
             t={t}
           />
         ))}
@@ -236,6 +261,76 @@ function FlatList({ useSessions, open, forkSession, onSessionRename, query, t }:
   )
 }
 
+interface RemoteSearchState {
+  query: string
+  status: 'idle' | 'loading' | 'ready' | 'error'
+  items: readonly SessionSearchResultItem[]
+  hasMore: boolean
+}
+
+/** Flat search body: local metadata matches plus the current Host result page. */
+function SearchResults({
+  useSessions,
+  open,
+  workspaces,
+  archivedSessionIds,
+  query,
+  remote,
+  resultLimit,
+  t,
+}: Pick<SessionTreeProps, 'useSessions' | 'open' | 't'> & {
+  workspaces: readonly WorkspaceView[]
+  archivedSessionIds: readonly SessionNode['id'][]
+  query: string
+  remote: RemoteSearchState
+  resultLimit: number
+}) {
+  const list = useSessions(s => s)
+  const currentRemote = remote.query === query
+    ? remote
+    : { query, status: 'loading' as const, items: [], hasMore: false }
+  const results = useMemo(
+    () => deriveSearchResults(list, workspaces, query, archivedSessionIds, currentRemote, resultLimit),
+    [list, workspaces, query, archivedSessionIds, currentRemote, resultLimit],
+  )
+  const pending = currentRemote.status === 'loading'
+  const failed = currentRemote.status === 'error'
+
+  return (
+    <div className={clsx(css.treeBody, css.wide)}>
+      <div className={css.list}>
+        <div className={css.searchTree} role="tree" aria-label={t('search.results.aria')}>
+          {results.items.map(result => (
+            <SearchResultItem
+              key={result.id}
+              result={result}
+              currentId={list.current}
+              onOpen={open}
+            />
+          ))}
+        </div>
+        {pending && (
+          <div className={css.searchStatus} role="status">{t('search.pending')}</div>
+        )}
+        {failed && (
+          <div className={css.searchWarning} role="status">
+            {t('search.unavailable')}
+          </div>
+        )}
+        {!pending && results.items.length === 0 && (
+          <div className={css.empty}>{t('search.noMatches')}</div>
+        )}
+        {results.hasMore && (
+          <div className={css.searchStatus}>
+            {t('search.hasMore', { n: resultLimit })}
+          </div>
+        )}
+      </div>
+      <span className={css.fade} />
+    </div>
+  )
+}
+
 /**
  * Render the browsing region.
  * @param props - composed slot props (shell owner share + store + injected actions).
@@ -254,17 +349,31 @@ export function WorkspaceBrowser({
   forkSession,
   renameWorkspace,
   deleteWorkspace,
+  archiveSession,
   insertSessionBefore,
   createWorkspace,
+  searchSessions,
+  searchResultLimit,
   useDirectoryFlow,
   renderSlot,
   t,
 }: WorkspaceBrowserProps) {
   const workspaces = useWorkspaces(state => state.items)
+  const archivedSessionIds = useWorkspaces(state => state.archivedSessionIds)
+  // Live occupancy of this surface's directory-flow hole (the same source the
+  // flow reads): a composition without a picking affordance can add nothing.
+  const directoryFlowAvailable = useDirectoryFlow(occupied => occupied)
   const groupBy = useStore(s => s.groupBy)
   // The query outlives the tree and the input (both wide-only) so collapsing
   // does not silently drop an in-progress filter.
   const [query, setQuery] = useState('')
+  const normalizedQuery = sanitizeSearchQuery(query).trim()
+  const [remoteSearch, setRemoteSearch] = useState<RemoteSearchState>({
+    query: '',
+    status: 'idle',
+    items: [],
+    hasMore: false,
+  })
   const searchInput = useRef<HTMLInputElement | null>(null)
   // Section-header ＋ opens the picker menu (same popover in wide and rail
   // states; the menu anchors on this button).
@@ -285,6 +394,43 @@ export function WorkspaceBrowser({
     }
   }, [wide, searchOnExpand])
 
+  useEffect(() => {
+    if (normalizedQuery === '') {
+      setRemoteSearch({ query: '', status: 'idle', items: [], hasMore: false })
+      return
+    }
+    const controller = new AbortController()
+    setRemoteSearch({
+      query: normalizedQuery,
+      status: 'loading',
+      items: [],
+      hasMore: false,
+    })
+    const timer = window.setTimeout(() => {
+      searchSessions(normalizedQuery, controller.signal).then((result) => {
+        if (controller.signal.aborted) return
+        setRemoteSearch({
+          query: normalizedQuery,
+          status: 'ready',
+          items: result.items,
+          hasMore: result.hasMore,
+        })
+      }).catch(() => {
+        if (controller.signal.aborted) return
+        setRemoteSearch({
+          query: normalizedQuery,
+          status: 'error',
+          items: [],
+          hasMore: false,
+        })
+      })
+    }, SEARCH_DEBOUNCE_MS)
+    return () => {
+      window.clearTimeout(timer)
+      controller.abort()
+    }
+  }, [normalizedQuery, searchSessions])
+
   // Rename dialog (browser-owned so it outlives row unmounts during collapse).
   const [renameTarget, setRenameTarget] = useState<{ workspaceId: WorkspaceId; currentTitle: string } | null>(null)
   const [renameDraft, setRenameDraft] = useState('')
@@ -346,6 +492,16 @@ export function WorkspaceBrowser({
     setSessionRenameError(null)
   }
 
+  // Archive is dialog-free: not destructive (the log and the accounting slot
+  // remain), so the menu action commits directly; the row disappears when the
+  // archive-set echo lands. Failures are non-fatal console diagnostics, the
+  // same posture as reorder rejections.
+  const onSessionArchive = (sessionId: SessionNode['id']) => {
+    archiveSession(sessionId).catch((reason: unknown) => {
+      console.warn('session archive rejected:', reason)
+    })
+  }
+
   // Delete dialog is separate from the row so a successful removal can
   // unmount that row without tearing down the in-flight confirmation state.
   const [deleteTarget, setDeleteTarget] = useState<{ workspaceId: WorkspaceId; title: string } | null>(null)
@@ -390,21 +546,26 @@ export function WorkspaceBrowser({
           </span>
         )}
         {wide && <GroupByMenu groupBy={groupBy} onPick={(mode) => { actions.setGroupBy(mode) }} t={t} />}
-        <Tooltip label={t('workspace.new')} disabled={wide}>
-          <button
-            ref={wsPlusRef}
-            type="button"
-            className={css.iconButton}
-            aria-label={t('create.confirm')}
-            onClick={() => {
-              setWsPickerOpen(v => !v)
-            }}
-          >
-            <IconProjectAddOutline16 size={wide ? 16 : 18} />
-          </button>
-        </Tooltip>
-        {/* Picker menu + create dialogs (same package — direct composition). */}
-        <WorkspaceCreateFlow
+        {/* Adding is the button's one action, so a composition with no
+            picking affordance has nothing to offer here: the region hides the
+            button rather than leaving a dead one in the header. */}
+        {directoryFlowAvailable && (
+          <Tooltip label={t('workspace.add')} disabled={wide}>
+            <button
+              ref={wsPlusRef}
+              type="button"
+              className={css.iconButton}
+              aria-label={t('workspace.add')}
+              onClick={() => {
+                setWsPickerOpen(v => !v)
+              }}
+            >
+              <IconProjectAddOutline16 size={wide ? 16 : 18} />
+            </button>
+          </Tooltip>
+        )}
+        {/* Add flow + its error dialog (same package — direct composition). */}
+        <WorkspacePickFlow
           t={t}
           open={wsPickerOpen}
           anchorRef={wsPlusRef}
@@ -412,7 +573,7 @@ export function WorkspaceBrowser({
           createWorkspace={createWorkspace}
           useDirectoryFlow={useDirectoryFlow}
           renderDirectoryFlow={owner => renderSlot('sidebar.workspaces.directoryFlow', owner)}
-          createOnly
+          addOnly
           side="right"
           onPick={(workspaceId) => {
             setWsPickerOpen(false)
@@ -442,8 +603,9 @@ export function WorkspaceBrowser({
             className={clsx(css.searchInput, css.wide)}
             type="text"
             placeholder={t('search.placeholder')}
+            maxLength={SEARCH_QUERY_MAX_CODE_UNITS}
             value={query}
-            onChange={(e) => { setQuery(e.target.value) }}
+            onChange={(e) => { setQuery(sanitizeSearchQuery(e.target.value)) }}
           />
         )}
         {wide && query !== '' && (
@@ -461,35 +623,50 @@ export function WorkspaceBrowser({
       {/* Always-mounted seat keeps the region's flex slot while the list
           itself is wide-only. */}
       <div className={css.listArea}>
-        {wide && (groupBy === 'flat'
+        {wide && (normalizedQuery !== ''
           ? (
-            <FlatList
-              useSessions={useSessions} open={open} forkSession={forkSession}
-              onSessionRename={onSessionRename} query={query} t={t}
+            <SearchResults
+              useSessions={useSessions}
+              open={open}
+              workspaces={workspaces}
+              archivedSessionIds={archivedSessionIds}
+              query={normalizedQuery}
+              remote={remoteSearch}
+              resultLimit={searchResultLimit}
+              t={t}
             />
           )
-          : (
-            <SessionTree
-              useSessions={useSessions}
-              onSessionRename={onSessionRename}
-              forkSession={forkSession}
-              workspaces={workspaces}
-              startSession={startSession}
-              open={open}
-              query={query}
-              insertSessionBefore={insertSessionBefore}
-              t={t}
-              onRenameRequest={(workspaceId, currentTitle) => {
-                setRenameTarget({ workspaceId, currentTitle })
-                setRenameDraft(currentTitle)
-                setRenameError(null)
-              }}
-              onDeleteRequest={(workspaceId, title) => {
-                setDeleteTarget({ workspaceId, title })
-                setDeleteError(null)
-              }}
-            />
-          ))}
+          : groupBy === 'flat'
+            ? (
+              <FlatList
+                useSessions={useSessions} open={open} forkSession={forkSession}
+                onSessionRename={onSessionRename} onSessionArchive={onSessionArchive}
+                archivedSessionIds={archivedSessionIds} t={t}
+              />
+            )
+            : (
+              <SessionTree
+                useSessions={useSessions}
+                onSessionRename={onSessionRename}
+                onSessionArchive={onSessionArchive}
+                forkSession={forkSession}
+                workspaces={workspaces}
+                archivedSessionIds={archivedSessionIds}
+                startSession={startSession}
+                open={open}
+                insertSessionBefore={insertSessionBefore}
+                t={t}
+                onRenameRequest={(workspaceId, currentTitle) => {
+                  setRenameTarget({ workspaceId, currentTitle })
+                  setRenameDraft(currentTitle)
+                  setRenameError(null)
+                }}
+                onDeleteRequest={(workspaceId, title) => {
+                  setDeleteTarget({ workspaceId, title })
+                  setDeleteError(null)
+                }}
+              />
+            ))}
       </div>
 
       <Modal
diff --git a/packages/client/ui-workspace/src/client/WorkspacePicker.module.css b/packages/client/ui-workspace/src/client/WorkspacePicker.module.css
index e439d30f27..c99164aacf 100644
--- a/packages/client/ui-workspace/src/client/WorkspacePicker.module.css
+++ b/packages/client/ui-workspace/src/client/WorkspacePicker.module.css
@@ -1,35 +1,10 @@
-/* Modal form styles mirror the empty state's path/create modals (same figma
- * dialog family: field h44, r22, hairline border, pad 14/7) so the two
- * entries stay visually identical. */
-.modalInput {
-  box-sizing: border-box;
-  width: 100%;
-  height: 44px;
-  padding: 7px 14px;
-  border: 1px solid var(--dsw-alias-border-l2);
-  border-radius: 22px;
-  outline: none;
-  background: transparent;
-  font-size: 14px;
-  font-weight: 400;
-  line-height: 22px;
-  color: var(--dsw-alias-label-primary);
-}
-
-.modalInput::placeholder {
-  color: var(--dsw-alias-label-caption);
-}
-
-.modalInput:disabled {
-  color: var(--dsw-alias-label-dimmed);
-}
-
+/* The adoption error dialog's footer and message styles; the dialog itself is
+ * the shared Modal (same figma dialog family as the browser's own dialogs). */
 .modalAction {
   min-width: 72px;
 }
 
 .modalError,
-.modalStatus,
 .menuStatus {
   margin-top: 8px;
   font-size: 12px;
@@ -40,7 +15,6 @@
   color: var(--dsw-alias-state-error-primary);
 }
 
-.modalStatus,
 .menuStatus {
   color: var(--dsw-alias-label-secondary);
 }
diff --git a/packages/client/ui-workspace/src/client/WorkspacePicker.tsx b/packages/client/ui-workspace/src/client/WorkspacePicker.tsx
index 36fa9b0948..c72d8cab39 100644
--- a/packages/client/ui-workspace/src/client/WorkspacePicker.tsx
+++ b/packages/client/ui-workspace/src/client/WorkspacePicker.tsx
@@ -1,31 +1,29 @@
 /**
- * Workspace pick/create flow. WorkspaceCreateFlow is the reusable core
- * (menu + path/create dialogs) consumed directly by WorkspaceBrowser (same
- * package) and wrapped by WorkspacePicker for the conversation empty-state
- * slot registration. Directory picking itself lives in the composed flow
- * package's slot occupant (see the contract module doc): this core only
- * opens the flow, adopts the picked path, and owns the error surface.
+ * Workspace pick/add flow. WorkspacePickFlow is the reusable core (menu +
+ * path error dialog) consumed directly by WorkspaceBrowser (same package) and
+ * wrapped by WorkspacePicker for the conversation empty-state slot
+ * registration. Directory picking itself lives in the composed flow package's
+ * slot occupant (see the contract module doc): this core only opens the flow,
+ * adopts the picked path, and owns the error surface. Adding a workspace has
+ * exactly one route — pick a host directory, new or existing — because the
+ * occupant's own create-folder affordance already covers creating one.
  */
 import type { ReactNode, RefObject } from 'react'
-import { useCallback, useEffect, useRef, useState } from 'react'
+import { useCallback, useEffect, useState } from 'react'
 import {
   Button, IconFolderClose16, IconPlusOutline16, Menu, Modal, type MenuEntry,
 } from '@deepseek-ai/dsh-client-ui-primitives'
-import {
-  WorkspaceCreateError,
-  type WorkspaceId, type WorkspaceListState, type WorkspaceView,
+import type {
+  WorkspaceId, WorkspaceListState, WorkspaceView,
 } from '@deepseek-ai/dsh-client-runtime/client'
 import type { SnapshotSelectorHook } from '@deepseek-ai/dsh-client-ui-slots'
 import type { DirectoryFlowOwnerProps, WorkspacePickerProps } from './contract/slots.ts'
 import css from './WorkspacePicker.module.css'
 
-const OPEN_LOCAL_FOLDER = '::open-local-folder'
-const CREATE_NEW = '::create-new'
-
-type ModalKind = 'create' | 'folder-error' | null
+const ADD_WORKSPACE = '::add-workspace'
 
 /** Core flow props: the owner supplies popover control and pick semantics. */
-export interface WorkspaceCreateFlowProps {
+export interface WorkspacePickFlowProps {
   /** The standard locale seat, forwarded by whichever slot entry hosts the flow. */
   t: WorkspacePickerProps['t']
   /** Popover visibility (anchor button toggle state, owner-local). */
@@ -34,9 +32,9 @@ export interface WorkspaceCreateFlowProps {
   anchorRef?: RefObject<HTMLElement | null> | undefined
   /** Selector hook over the workspace list (framework standard hook). */
   useWorkspaces: <S>(selector: (state: WorkspaceListState) => S) => S
-  /** Create or adopt a real Host Workspace. */
-  createWorkspace: (input: { name: string } | { path: string }) => Promise<WorkspaceView>
-  /** Bound occupancy selector hook for this surface's directory-flow hole (empty hides the local-folder entry). */
+  /** Adopt a picked host directory as a real Workspace. */
+  createWorkspace: (input: { path: string }) => Promise<WorkspaceView>
+  /** Bound occupancy selector hook for this surface's directory-flow hole (empty leaves the surface with no add action). */
   useDirectoryFlow: SnapshotSelectorHook<boolean>
   /** Render this surface's directory-flow hole with the owner conversation (the entry's narrowed renderSlot). */
   renderDirectoryFlow: (owner: DirectoryFlowOwnerProps) => ReactNode
@@ -44,8 +42,8 @@ export interface WorkspaceCreateFlowProps {
   onPick: (workspaceId: WorkspaceId) => void
   /** Close the popover (outside click / Escape / post-pick). */
   onClose: () => void
-  /** Only show create actions (open folder / create new), hide existing workspaces. */
-  createOnly?: boolean
+  /** Only offer the add action, hide existing workspaces. */
+  addOnly?: boolean
   /** Menu opening direction relative to the anchor. */
   side?: 'bottom' | 'top' | 'right'
   /** Currently active workspace (trailing check in the picker list). */
@@ -53,11 +51,11 @@ export interface WorkspaceCreateFlowProps {
 }
 
 /**
- * Render the pick menu plus the two create dialogs.
+ * Render the pick menu plus the adoption error dialog.
  * @param props - owner-controlled flow props.
  * @returns menu + dialog elements.
  */
-export function WorkspaceCreateFlow({
+export function WorkspacePickFlow({
   t,
   open,
   anchorRef,
@@ -67,32 +65,25 @@ export function WorkspaceCreateFlow({
   renderDirectoryFlow,
   onPick,
   onClose,
-  createOnly = false,
+  addOnly = false,
   side = 'bottom',
   selectedId,
-}: WorkspaceCreateFlowProps) {
+}: WorkspacePickFlowProps) {
   const workspaceSnapshot = useWorkspaces(state => state)
   const workspaces = workspaceSnapshot.items
   const getAnchorRect = useCallback(
     () => anchorRef?.current?.getBoundingClientRect() ?? null,
     [anchorRef],
   )
-  const [modalKind, setModalKind] = useState<ModalKind>(null)
-  const [workspaceName, setWorkspaceName] = useState('')
-  const [creating, setCreating] = useState(false)
+  const [errorOpen, setErrorOpen] = useState(false)
   const [modalError, setModalError] = useState<string | null>(null)
   const [flowOpen, setFlowOpen] = useState(false)
   const [pickingFolder, setPickingFolder] = useState(false)
-  const [folderConflict, setFolderConflict] = useState(false)
-  const composingRef = useRef(false)
   // One picking interaction at a time: while the flow is open (native chooser
   // pending, browse dialog up) or its pick is being adopted, every other
   // menu action stays disabled — a late outcome must not race a concurrent
-  // selection or creation.
+  // selection or adoption.
   const flowBusy = flowOpen || pickingFolder
-  const normalizedWorkspaceName = workspaceName.trim()
-  const duplicateWorkspaceName = !creating && normalizedWorkspaceName !== ''
-    && workspaces.some(workspace => workspace.title === normalizedWorkspaceName)
 
   // The occupied hole gates the picking affordance: with no composed flow the
   // entry simply is not there (the seam's documented no-flow default). The
@@ -107,27 +98,27 @@ export function WorkspaceCreateFlow({
   useEffect(() => {
     if (flowOpen && !flowAvailable) setFlowOpen(false)
   }, [flowOpen, flowAvailable])
-  const createEntries: MenuEntry[] = [
-    ...(flowAvailable
-      ? [{ id: OPEN_LOCAL_FOLDER, label: t('menu.openFolder'), icon: <IconFolderClose16 size={16} />, disabled: flowBusy }]
-      : []),
-    { id: CREATE_NEW, label: t('menu.createWorkspace'), icon: <IconPlusOutline16 size={16} />, disabled: flowBusy },
-  ]
-  // With workspaces listed, the create actions pin below the scroll region
-  // (divider + always visible); otherwise they ARE the menu.
-  const pinCreate = !createOnly && workspaces.length > 0
-  const items: MenuEntry[] = pinCreate
+  const addEntries: MenuEntry[] = flowAvailable
+    ? [{ id: ADD_WORKSPACE, label: t('menu.addWorkspace'), icon: <IconPlusOutline16 size={16} />, disabled: flowBusy }]
+    : []
+  // With workspaces listed, the add action pins below the scroll region
+  // (divider + always visible); otherwise it IS the menu.
+  const pinAdd = !addOnly && workspaces.length > 0
+  const items: MenuEntry[] = pinAdd
     ? workspaces.map(workspace => ({
       id: workspace.workspaceId,
       label: workspace.title,
       icon: <IconFolderClose16 size={16} />,
       disabled: flowBusy,
     }))
-    : createEntries
+    : addEntries
+  // Nothing listed and nothing to add with (a composition that mounts this
+  // package without any directory-picker): an empty popover would claim a
+  // choice that does not exist, so the anchor gesture shows nothing at all.
+  const menuIsEmpty = items.length === 0
 
   const closeModal = (): void => {
-    if (creating) return
-    setModalKind(null)
+    setErrorOpen(false)
     setModalError(null)
   }
 
@@ -137,22 +128,33 @@ export function WorkspaceCreateFlow({
       setFlowOpen(false)
       onPick(workspace.workspaceId)
     }).catch((reason: unknown) => {
-      setFolderConflict(
-        reason instanceof WorkspaceCreateError
-        && reason.rpcError.code === 'workspace-name-conflict',
-      )
       setModalError(reason instanceof Error ? reason.message : String(reason))
       setFlowOpen(false)
-      setModalKind('folder-error')
+      setErrorOpen(true)
     })
 
-  const openLocalFolder = (): void => {
+  const openDirectoryFlow = useCallback((): void => {
     onClose()
-    setModalKind(null)
+    setErrorOpen(false)
     setModalError(null)
-    setFolderConflict(false)
     setFlowOpen(true)
-  }
+  }, [onClose])
+
+  // A menu exists to disambiguate between targets. With no workspaces listed
+  // and the add action the only entry left, the anchor gesture IS that action:
+  // a one-row popover would cost a click and offer nothing to choose between.
+  // The owner's open request is consumed the same way selecting the entry
+  // would consume it (close the popover, raise the flow). An empty list is
+  // only final once the baseline lands — until then the menu stays up with its
+  // loading status instead of jumping into a flow the arriving list would have
+  // made unnecessary; the add-only surface lists nothing and never waits.
+  const listSettled = addOnly || workspaceSnapshot.phase === 'ready'
+  const addIsTheOnlyEntry = !pinAdd && listSettled && addEntries.length === 1
+  // `flowBusy` gates this exactly as it disables the equivalent menu entry: a
+  // pick still being adopted owns the surface until it settles.
+  useEffect(() => {
+    if (open && addIsTheOnlyEntry && !flowBusy) openDirectoryFlow()
+  }, [open, addIsTheOnlyEntry, flowBusy, openDirectoryFlow])
 
   /** Owner side of the flow conversation: adopt keeps the flow open (busy) until the Host answers. */
   const flowOwner: DirectoryFlowOwnerProps = {
@@ -165,55 +167,26 @@ export function WorkspaceCreateFlow({
     onCancel: () => { setFlowOpen(false) },
     onError: (message) => {
       setFlowOpen(false)
-      setFolderConflict(false)
       setModalError(message)
-      setModalKind('folder-error')
+      setErrorOpen(true)
     },
   }
 
   const handleSelect = (id: string): void => {
-    if (id === OPEN_LOCAL_FOLDER) {
-      openLocalFolder()
-      return
-    }
-    if (id === CREATE_NEW) {
-      onClose()
-      setWorkspaceName('')
-      setModalError(null)
-      setModalKind('create')
+    if (id === ADD_WORKSPACE) {
+      openDirectoryFlow()
       return
     }
     onPick(id as WorkspaceId)
   }
 
-  const create = (input: { name: string } | { path: string }): void => {
-    if (creating) return
-    setCreating(true)
-    setModalError(null)
-    void createWorkspace(input).then((workspace) => {
-      setCreating(false)
-      setModalKind(null)
-      onPick(workspace.workspaceId)
-    }).catch((reason: unknown) => {
-      const message = reason instanceof Error ? reason.message : String(reason)
-      setModalError(`Workspace creation failed: ${message}`)
-      setCreating(false)
-    })
-  }
-
-  const confirmCreate = (): void => {
-    if (normalizedWorkspaceName !== '' && !duplicateWorkspaceName) {
-      create({ name: normalizedWorkspaceName })
-    }
-  }
-
   return (
     <>
       <Menu
-        open={open}
+        open={open && !addIsTheOnlyEntry && !menuIsEmpty}
         anchor={null}
         items={items}
-        {...pinCreate ? { footer: createEntries } : {}}
+        {...pinAdd ? { footer: addEntries } : {}}
         selectedId={selectedId}
         onSelect={handleSelect}
         onClose={onClose}
@@ -221,70 +194,23 @@ export function WorkspaceCreateFlow({
         portal
         getAnchorRect={getAnchorRect}
       />
-      {open && workspaceSnapshot.phase === 'pending' && <div className={css.menuStatus} role="status">{t('picker.loading')}</div>}
+      {open && !addIsTheOnlyEntry && !menuIsEmpty && workspaceSnapshot.phase === 'pending' && <div className={css.menuStatus} role="status">{t('picker.loading')}</div>}
       {renderDirectoryFlow(flowOwner)}
       <Modal
-        open={modalKind === 'folder-error'}
+        open={errorOpen}
         onClose={closeModal}
         closeLabel={t('close')}
-        title={folderConflict ? t('conflict.title') : t('folderError.title')}
+        title={t('folderError.title')}
         footer={(
           <>
             <Button variant="outline" className={css.modalAction} onClick={closeModal}>{t('cancel')}</Button>
             {/* Retrying needs an occupant to serve the flow; without one the
               * button would open a flow nobody can answer or cancel. */}
-            <Button variant="primary" className={css.modalAction} disabled={!flowAvailable} onClick={openLocalFolder}>{t('folderError.retry')}</Button>
+            <Button variant="primary" className={css.modalAction} disabled={!flowAvailable} onClick={openDirectoryFlow}>{t('folderError.retry')}</Button>
           </>
         )}
       >
-        <div className={css.modalError} role="alert">
-          {folderConflict
-            ? t('conflict.hint')
-            : modalError}
-        </div>
-      </Modal>
-      <Modal
-        open={modalKind === 'create'}
-        onClose={closeModal}
-        closeLabel={t('close')}
-        title={t('menu.createWorkspace')}
-        description={t('create.desc')}
-        footer={(
-          <>
-            <Button variant="outline" className={css.modalAction} disabled={creating} onClick={closeModal}>{t('cancel')}</Button>
-            <Button
-              variant="primary"
-              className={css.modalAction}
-              disabled={creating || normalizedWorkspaceName === '' || duplicateWorkspaceName}
-              onClick={confirmCreate}
-            >
-              {t('create.confirm')}
-            </Button>
-          </>
-        )}
-      >
-        <input
-          className={css.modalInput}
-          value={workspaceName}
-          placeholder={t('field.workspaceName')}
-          aria-label={t('create.name.aria')}
-          autoFocus
-          disabled={creating}
-          onChange={(event) => { setWorkspaceName(event.target.value); setModalError(null) }}
-          onCompositionStart={() => { composingRef.current = true }}
-          onCompositionEnd={() => { composingRef.current = false }}
-          onKeyDown={(event) => {
-            if (event.key === 'Enter' && !composingRef.current) {
-              event.preventDefault()
-              confirmCreate()
-            }
-          }}
-        />
-        {creating && <div className={css.modalStatus} role="status">{t('create.pending')}</div>}
-        {duplicateWorkspaceName && (
-          <div className={css.modalError} role="alert">{t('conflict.named', { name: normalizedWorkspaceName })}</div>
-        )}
-        {modalError !== null && <div className={css.modalError} role="alert">{modalError}</div>}
+        <div className={css.modalError} role="alert">{modalError}</div>
       </Modal>
     </>
   )
@@ -309,7 +235,7 @@ export function WorkspacePicker({
   t,
 }: WorkspacePickerProps) {
   return (
-    <WorkspaceCreateFlow
+    <WorkspacePickFlow
       t={t}
       open={open}
       anchorRef={anchorRef}
diff --git a/packages/client/ui-workspace/src/client/contract/slots.ts b/packages/client/ui-workspace/src/client/contract/slots.ts
index 3230c4069f..e1c41c9c17 100644
--- a/packages/client/ui-workspace/src/client/contract/slots.ts
+++ b/packages/client/ui-workspace/src/client/contract/slots.ts
@@ -5,16 +5,19 @@
  *   the whole browsing region (section header, search, grouped/flat session
  *   list, workspace dialogs). It registers this package's viewing store and
  *   consumes the shell's two-fact owner share (wide / expandSidebar).
- * - WorkspacePicker fills the conversation empty-state hole (menu +
- *   create dialogs shared with the browser).
+ * - WorkspacePicker fills the conversation empty-state hole (menu + error
+ *   dialog shared with the browser).
  *
  * Each registration also declares one **directory-flow hole** (`single`
  * kind): the slot a composed picker package's client half fills with its
  * picking interaction — a renderless native-chooser driver or an in-app
- * browsing dialog. ui-workspace owns the trigger (the "Open local folder…"
- * menu entry, shown only while the hole is occupied) and the adoption
- * semantics (`createWorkspace({ path })`, the conflict/error dialog, Choose
- * again); the occupant owns everything between `open` and the picked path.
+ * browsing dialog. ui-workspace owns the trigger (the "Add workspace…"
+ * entry, present only while the hole is occupied) and the adoption
+ * semantics (`createWorkspace({ path })`, the retryable error dialog,
+ * Choose again); the occupant owns everything between `open` and the picked path,
+ * including creating a new directory to hand back. That occupant-owned
+ * creation is why adding a workspace has a single route: an unoccupied hole
+ * leaves the surface with no add affordance at all.
  * Two holes exist because the two menu surfaces are independent slot entries
  * and a hole has exactly one declaring entry — they carry the same owner
  * contract and the same occupant.
@@ -24,7 +27,9 @@ import type { HostObservable, PropsLocale, PropsRenderSlots, PropsRuntime, Props
 // runtime shares below.
 import type {} from '@deepseek-ai/dsh-client-ui-sidebar/client'
 import type {} from '@deepseek-ai/dsh-client-ui-conversation/client'
-import type { SessionId, WorkspaceId, WorkspaceView } from '@deepseek-ai/dsh-client-runtime/client'
+import type {
+  SessionId, SessionSearchResultItem, WorkspaceId, WorkspaceView,
+} from '@deepseek-ai/dsh-client-runtime/client'
 import type { createWorkspaceViewStore } from '../stores.ts'
 
 /**
@@ -63,7 +68,7 @@ export type DirectoryFlowSlotName =
  * Directory-picking share both trigger surfaces consume. Occupancy rides the
  * inject face's reserved `hooks` compartment: the renderer binds the source
  * into the `useDirectoryFlow` selector hook, so an empty hole hides the
- * "Open local folder…" entry reactively and the surface withdraws an open
+ * "Add workspace…" entry reactively and the surface withdraws an open
  * flow whose occupant unloaded mid-interaction (nobody is left to cancel).
  */
 export type DirectoryPickingInjected = {
@@ -93,6 +98,16 @@ export type WorkspaceBrowserInjected = DirectoryPickingInjected & {
   startSession: (workspaceId?: WorkspaceId) => void
   /** Open a real Session. */
   open: (sessionId: SessionId) => void
+  /**
+   * Search current visible conversation messages. The Host fixes the result
+   * bound; `hasMore` means the query needs narrowing.
+   */
+  searchSessions: (
+    query: string,
+    signal: AbortSignal,
+  ) => Promise<{ items: readonly SessionSearchResultItem[]; hasMore: boolean }>
+  /** Maximum number of merged rows rendered for one search. */
+  searchResultLimit: number
   /** Rename a Session (explicit user title; resolves on host acceptance). */
   renameSession: (sessionId: SessionId, title: string) => Promise<void>
   /** Fork a Session at its last completed turn and open the child. */
@@ -101,14 +116,20 @@ export type WorkspaceBrowserInjected = DirectoryPickingInjected & {
   renameWorkspace: (workspaceId: WorkspaceId, title: string) => Promise<void>
   /** Delete only a Host Workspace registration; directory and Session logs remain. */
   deleteWorkspace: (workspaceId: WorkspaceId) => Promise<void>
+  /**
+   * Archive a Session into the registry-global set: hidden from grouping
+   * surfaces, log and accounting slot retained. Archiving the current
+   * session clears the selection into the New Session view state.
+   */
+  archiveSession: (sessionId: SessionId) => Promise<void>
   /**
    * Reorder a session inside its Workspace account (DOM-insertBefore
    * semantics: omitted anchor appends to the end). The view refreshes from
    * the Host response/changed frame; failures leave the order unchanged.
    */
   insertSessionBefore: (workspaceId: WorkspaceId, sessionId: SessionId, beforeSessionId?: SessionId) => Promise<void>
-  /** Explicitly create or adopt a real Workspace before targeting a Session. */
-  createWorkspace: (input: { name: string } | { path: string }) => Promise<WorkspaceView>
+  /** Adopt a picked host directory as a real Workspace before targeting a Session. */
+  createWorkspace: (input: { path: string }) => Promise<WorkspaceView>
 }
 
 /** Full browser props: shell owner share + viewing store + injected actions + the locale seat. */
@@ -126,8 +147,8 @@ export type WorkspaceBrowserProps =
  * supplies the implicit index signature required by the registry.
  */
 export type WorkspacePickerInjected = DirectoryPickingInjected & {
-  /** Explicitly create or adopt a real Workspace before targeting a Session. */
-  createWorkspace: (input: { name: string } | { path: string }) => Promise<WorkspaceView>
+  /** Adopt a picked host directory as a real Workspace before targeting a Session. */
+  createWorkspace: (input: { path: string }) => Promise<WorkspaceView>
 }
 
 /**
diff --git a/packages/client/ui-workspace/src/client/index.ts b/packages/client/ui-workspace/src/client/index.ts
index 2c9ab5806e..59574beed3 100644
--- a/packages/client/ui-workspace/src/client/index.ts
+++ b/packages/client/ui-workspace/src/client/index.ts
@@ -54,6 +54,12 @@ export const inject = ['slots', 'sessions', 'workspaces', 'locale']
 export function apply(ctx: ClientContext): void {
   ctx.effect(() => ctx.locale.register(NS, { zh, en }), 'ui-workspace: dictionaries')
 
+  const searchSessions: WorkspaceBrowserInjected['searchSessions'] = async (query, signal) => {
+    const result = await ctx.sessions.search(query, signal)
+    if (!result.ok) throw new Error(result.error.message)
+    return result.value
+  }
+
   // Stable per-surface occupancy sources (the renderer's hook cache keys by
   // source identity): true while the surface's directory-flow hole is filled.
   const flowSource = (hole: 'sidebar.workspaces.directoryFlow' | 'conversation.hero.workspace.directoryFlow'): HostObservable<boolean> => ({
@@ -67,6 +73,8 @@ export function apply(ctx: ClientContext): void {
     // the runtime's shared action (recent-Workspace projection inside).
     startSession: (workspaceId) => { ctx.workspaces.startSession(workspaceId) },
     open: (sessionId) => { ctx.sessions.open(sessionId) },
+    searchSessions,
+    searchResultLimit: ctx.sessions.searchResultLimit,
     renameSession: async (sessionId, title) => {
       // Row → session-face hop: rename is a per-session verb (ISession), not
       // a list-service verb; the binding resolves any listed session.
@@ -84,6 +92,7 @@ export function apply(ctx: ClientContext): void {
     },
     renameWorkspace: async (workspaceId, title) => { await ctx.workspaces.rename(workspaceId, title) },
     deleteWorkspace: async (workspaceId) => { await ctx.workspaces.delete(workspaceId) },
+    archiveSession: async (sessionId) => { await ctx.workspaces.archiveSession(sessionId) },
     insertSessionBefore: async (workspaceId, sessionId, beforeSessionId) => {
       await ctx.workspaces.insertSessionBefore(workspaceId, sessionId, beforeSessionId)
     },
diff --git a/packages/client/ui-workspace/src/client/locales.ts b/packages/client/ui-workspace/src/client/locales.ts
index d2489924f9..3368f7b3e7 100644
--- a/packages/client/ui-workspace/src/client/locales.ts
+++ b/packages/client/ui-workspace/src/client/locales.ts
@@ -1,6 +1,6 @@
 /**
  * `workspace` namespace dictionaries: the browsing region (section header,
- * search, tree rows, dialogs) and the pick/create flow. Runtime failure
+ * search, tree rows, dialogs) and the pick/add flow. Runtime failure
  * messages (wire error strings) pass through untranslated by policy.
  */
 
@@ -15,22 +15,20 @@ export const zh = {
   'groupBy.flat': '单列表',
   'empty.none': '暂无会话',
   'empty.noMatches': '无匹配结果',
-  'workspace.new': '新建工作区',
+  'workspace.add': '添加工作区',
   'search.sessions.aria': '搜索会话',
   'search.placeholder': '搜索名称、关键词…',
   'search.clear': '清除搜索',
-  'menu.openFolder': '打开本地文件夹…',
-  'menu.createWorkspace': '新建工作区',
+  'search.results.aria': '搜索结果',
+  'search.pending': '正在搜索会话历史…',
+  'search.unavailable': '内容搜索暂不可用，仅显示名称匹配。',
+  'search.noMatches': '无匹配会话',
+  'search.hasMore': '仅显示前 {n} 条结果，请缩小搜索范围。',
+  'menu.addWorkspace': '添加工作区…',
   'picker.loading': '正在加载工作区…',
-  'conflict.title': '已存在同名工作区',
-  'conflict.hint': '请选择其他名称的文件夹。',
   'conflict.named': '已存在名为“{name}”的工作区。',
   'folderError.title': '无法打开文件夹',
   'folderError.retry': '重新选择',
-  'create.confirm': '创建工作区',
-  'create.desc': '该名称将同时用于工作区及其新文件夹。',
-  'create.name.aria': '新工作区名称',
-  'create.pending': '正在创建工作区…',
   'rename': '重命名',
   'rename.workspace.title': '重命名工作区',
   'rename.session.title': '重命名会话',
@@ -40,7 +38,7 @@ export const zh = {
   'delete.desc': '将把“{name}”从工作区列表中移除。文件夹与会话记录会保留，其会话将显示在“未分组”下。',
   'delete.pending': '正在删除工作区…',
   'menu.fork': '分叉会话',
-  'menu.deleteSession': '删除会话',
+  'menu.archiveSession': '归档会话',
   'sessions.count.one': '{n} 个会话',
   'sessions.count.other': '{n} 个会话',
   'actions.workspace.aria': '工作区“{name}”的操作',
@@ -49,6 +47,7 @@ export const zh = {
   'status.running': '进行中',
   'status.idle': '空闲',
   'hover.created': '创建于 {time}',
+  'hover.copied': '已复制',
   'date.ymd': '{y}年{m}月{d}日',
   'time.now': '刚刚',
   'time.minutes': '{n}分钟',
@@ -73,22 +72,20 @@ export const en = {
   'groupBy.flat': 'In one list',
   'empty.none': 'No sessions yet',
   'empty.noMatches': 'No matches',
-  'workspace.new': 'New Workspace',
+  'workspace.add': 'Add workspace',
   'search.sessions.aria': 'Search sessions',
   'search.placeholder': 'Search name, keywords...',
   'search.clear': 'Clear search',
-  'menu.openFolder': 'Open local folder…',
-  'menu.createWorkspace': 'Create a new workspace',
+  'search.results.aria': 'Search results',
+  'search.pending': 'Searching session history…',
+  'search.unavailable': 'Content search is temporarily unavailable. Showing name matches.',
+  'search.noMatches': 'No matching sessions',
+  'search.hasMore': 'Showing the first {n} results. Narrow your search.',
+  'menu.addWorkspace': 'Add workspace…',
   'picker.loading': 'Loading workspaces…',
-  'conflict.title': 'A workspace with this name already exists',
-  'conflict.hint': 'Choose a folder with a different name.',
   'conflict.named': 'A workspace named “{name}” already exists.',
   'folderError.title': 'Couldn’t open folder',
   'folderError.retry': 'Choose again',
-  'create.confirm': 'Create workspace',
-  'create.desc': 'The name is used for both the workspace and its new folder.',
-  'create.name.aria': 'New workspace name',
-  'create.pending': 'Creating workspace…',
   'rename': 'Rename',
   'rename.workspace.title': 'Rename workspace',
   'rename.session.title': 'Rename session',
@@ -98,7 +95,7 @@ export const en = {
   'delete.desc': 'This removes “{name}” from the workspace list. The folder and session logs will be kept. Its sessions will appear under Ungrouped.',
   'delete.pending': 'Deleting workspace…',
   'menu.fork': 'Fork session',
-  'menu.deleteSession': 'Delete session',
+  'menu.archiveSession': 'Archive session',
   'sessions.count.one': '{n} session',
   'sessions.count.other': '{n} sessions',
   'actions.workspace.aria': 'Workspace actions for {name}',
@@ -107,6 +104,7 @@ export const en = {
   'status.running': 'Running',
   'status.idle': 'Idle',
   'hover.created': 'Created {time}',
+  'hover.copied': 'Copied',
   'date.ymd': '{y}-{m}-{d}',
   'time.now': 'now',
   'time.minutes': '{n}min',
diff --git a/packages/client/ui-workspace/src/client/rows/Rows.module.css b/packages/client/ui-workspace/src/client/rows/Rows.module.css
index f64849e1c5..ccbbabb9ce 100644
--- a/packages/client/ui-workspace/src/client/rows/Rows.module.css
+++ b/packages/client/ui-workspace/src/client/rows/Rows.module.css
@@ -24,6 +24,64 @@
   background: var(--dsw-alias-interactive-bg-active);
 }
 
+.searchResultRow {
+  display: flex;
+  flex-direction: column;
+  align-items: stretch;
+  width: 100%;
+  min-height: 62px;
+  box-sizing: border-box;
+  border: none;
+  border-radius: 8px;
+  padding: 7px 8px;
+  background: transparent;
+  cursor: pointer;
+  text-align: left;
+  color: var(--dsw-alias-label-primary);
+}
+
+.searchResultRow:hover {
+  background: var(--dsw-alias-interactive-bg-hover);
+}
+
+.searchResultRow.selected {
+  background: var(--dsw-alias-interactive-bg-active);
+}
+
+.searchResultHeading {
+  display: flex;
+  align-items: center;
+  min-width: 0;
+}
+
+.searchResultTitle {
+  min-width: 0;
+  margin-left: 4px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  font-size: 14px;
+  line-height: 20px;
+}
+
+.searchResultWorkspace,
+.searchResultSnippet {
+  margin-left: 20px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  font-size: 12px;
+  line-height: 17px;
+}
+
+.searchResultWorkspace {
+  color: var(--dsw-alias-label-tertiary);
+}
+
+.searchResultSnippet {
+  color: var(--dsw-alias-label-secondary);
+}
+
 /* Two-line row: the leading slot (folder/chevron), title, and trailing
    actions all top-align on the 20px first text line (figma cell) — content
    is 42px (20 + 2 + 20), so 6px vertical padding centers the block. */
diff --git a/packages/client/ui-workspace/src/client/rows/Rows.tsx b/packages/client/ui-workspace/src/client/rows/Rows.tsx
index 0c30523846..27a105df30 100644
--- a/packages/client/ui-workspace/src/client/rows/Rows.tsx
+++ b/packages/client/ui-workspace/src/client/rows/Rows.tsx
@@ -2,18 +2,18 @@
  * Workspace browser tree row components (figma Cell set 14:3080): pure presentational —
  * all data and callbacks arrive via props. Hover swaps (folder->chevron,
  * time->ellipsis, action buttons) are CSS-only. Row ... menus are visual-only
- * except workspace Rename/Delete and session Rename/Fork; the session and
- * workspace hover cards are suppressed while a menu is open.
+ * except workspace Rename/Delete and session Rename/Fork/Archive; the session
+ * and workspace hover cards are suppressed while a menu is open.
  */
 import { useState } from 'react'
 import clsx from 'clsx'
 import {
-  HoverCard, IconBranchOutline16, IconEditOutline16, IconEllipsisOutline16,
-  IconFolderClose16, IconFolderOpen16, IconPlusOutline16,
+  HoverCard, IconBranchOutline16, IconDownloadOutline16, IconEditOutline16,
+  IconEllipsisOutline16, IconFolderClose16, IconFolderOpen16, IconPlusOutline16,
   IconTrashOutline16, IconTriangleRightFill14, Menu, StateDot,
 } from '@deepseek-ai/dsh-client-ui-primitives'
 import type { WorkspaceBrowserProps } from '../contract/slots.ts'
-import type { GroupNode, SessionNode } from '../tree.ts'
+import type { GroupNode, SearchResultNode, SessionNode } from '../tree.ts'
 import { relativeTime } from '../tree.ts'
 import css from './Rows.module.css'
 
@@ -158,6 +158,9 @@ export function ProjectRowItem({ group, onToggle, onCreate, actions, t }: {
       anchor={ownRow}
       content={<WorkspaceHoverContent label={row.label} cwd={row.cwd} createdAt={row.createdAt} t={t} />}
       disabled={menuOpen}
+      copyText={row.cwd}
+      copyLabel={t('copy')}
+      copiedLabel={t('hover.copied')}
     />
   )
 }
@@ -175,7 +178,9 @@ function SessionHoverContent({ node, now, t }: { node: SessionNode; now: number;
   return (
     <div className={css.hoverContent}>
       <div className={css.hoverTitle}>{displayTitle(node, t)}</div>
-      <div className={css.hoverTime}>{hoverTimeLabel(node.updatedAt, now, t)}</div>
+      {/* Same placeholder rule as the row's trailing cell: no timestamp
+          before the first prompt. */}
+      {!node.blank && <div className={css.hoverTime}>{hoverTimeLabel(node.updatedAt, now, t)}</div>}
       <div className={css.hoverStatus}>
         <StateDot state={node.running ? 'ongoing' : 'done'} />
         <span>{node.running ? t('status.running') : t('status.idle')}</span>
@@ -202,13 +207,48 @@ export interface RowDragProps {
   end: () => void
 }
 
+/**
+ * One flat search result: title, Workspace context, and optional content
+ * excerpt. Search navigation opens the session only; it does not address an
+ * event inside the conversation.
+ * @param props.result - merged local/content search row.
+ * @param props.currentId - selected session id.
+ * @param props.onOpen - open the selected session.
+ * @returns the result button.
+ */
+export function SearchResultItem({ result, currentId, onOpen }: {
+  result: SearchResultNode
+  currentId: string | undefined
+  onOpen: (id: SearchResultNode['id']) => void
+}) {
+  const selected = result.id === currentId
+  return (
+    <button
+      type="button"
+      className={clsx(css.searchResultRow, selected && css.selected)}
+      role="treeitem"
+      aria-selected={selected}
+      onClick={() => { onOpen(result.id) }}
+    >
+      <span className={css.searchResultHeading}>
+        <span className={css.slot}>{result.running && <StateDot state="ongoing" />}</span>
+        <span className={css.searchResultTitle}>{result.title}</span>
+      </span>
+      <span className={css.searchResultWorkspace}>{result.workspace}</span>
+      {result.snippet !== undefined && (
+        <span className={css.searchResultSnippet}>{result.snippet}</span>
+      )}
+    </button>
+  )
+}
+
 /** Pointer-position half of a row (insert line above or below). */
 function rowHalf(e: { clientY: number; currentTarget: HTMLElement }): 'before' | 'after' {
   const rect = e.currentTarget.getBoundingClientRect()
   return e.clientY < rect.top + rect.height / 2 ? 'before' : 'after'
 }
 
-export function SessionNodeItem({ node, currentId, now, onOpen, onRename, onFork, drag, t }: {
+export function SessionNodeItem({ node, currentId, now, onOpen, onRename, onFork, onArchive, drag, t }: {
   node: SessionNode
   currentId: string | undefined
   now: number
@@ -217,6 +257,8 @@ export function SessionNodeItem({ node, currentId, now, onOpen, onRename, onFork
   onRename: (id: SessionNode['id'], currentTitle: string) => void
   /** Fork a session at its last completed turn (row menu action). */
   onFork: (id: SessionNode['id']) => void
+  /** Archive this session (row menu action; commits without a dialog). */
+  onArchive: (id: SessionNode['id']) => void
   /** Present only on draggable rows (workspace-group sessions outside search). */
   drag?: RowDragProps | undefined
   t: RowTranslate
@@ -225,10 +267,13 @@ export function SessionNodeItem({ node, currentId, now, onOpen, onRename, onFork
   const title = displayTitle(node, t)
   const selected = node.id === currentId
   const [menuOpen, setMenuOpen] = useState(false)
+  // Archive replaces the former Delete placeholder: it hides the row through
+  // the registry-global archive set and never touches the session log, so it
+  // is not styled as destructive and needs no confirmation dialog.
   const sessionMenuItems = [
     { id: 'rename', label: t('rename'), icon: <IconEditOutline16 /> },
     { id: 'fork', label: t('menu.fork'), icon: <IconBranchOutline16 /> },
-    { id: 'delete', label: t('menu.deleteSession'), icon: <IconTrashOutline16 />, danger: true },
+    { id: 'archive', label: t('menu.archiveSession'), icon: <IconDownloadOutline16 /> },
   ]
   // Figma session cell: pad 8, status slot 16, then a 4px title gap.
   const ownRow = (
@@ -266,31 +311,38 @@ export function SessionNodeItem({ node, currentId, now, onOpen, onRename, onFork
     >
       <span className={css.slot}>{row.running && <StateDot state="ongoing" />}</span>
       <span className={css.title}>{title}</span>
-      <span className={css.time}>{timeLabel(row.updatedAt, now, t)}</span>
-      <span className={css.rowActions}>
-        <Menu
-          open={menuOpen}
-          onClose={() => { setMenuOpen(false) }}
-          items={sessionMenuItems}
-          onSelect={(id) => {
-            setMenuOpen(false)
-            if (id === 'rename') onRename(node.id, row.title)
-            if (id === 'fork') onFork(node.id) // delete stays visual-only.
-          }}
-          portal
-          closeOnPointerLeave
-          anchor={(
-            <button
-              type="button"
-              className={css.iconButton}
-              aria-label={t('actions.session.aria', { name: title })}
-              onClick={(e) => { e.stopPropagation(); setMenuOpen(v => !v) }}
-            >
-              <IconEllipsisOutline16 />
-            </button>
-          )}
-        />
-      </span>
+      {/* A blank New Session row is a provisional placeholder: nothing has
+          happened in it yet, so a "now" timestamp and the row verbs
+          (rename/fork/archive) would all act on content that does not
+          exist — both trailing cells stay off until the first prompt. */}
+      {!row.blank && <span className={css.time}>{timeLabel(row.updatedAt, now, t)}</span>}
+      {!row.blank && (
+        <span className={css.rowActions}>
+          <Menu
+            open={menuOpen}
+            onClose={() => { setMenuOpen(false) }}
+            items={sessionMenuItems}
+            onSelect={(id) => {
+              setMenuOpen(false)
+              if (id === 'rename') onRename(node.id, row.title)
+              if (id === 'fork') onFork(node.id)
+              if (id === 'archive') onArchive(node.id)
+            }}
+            portal
+            closeOnPointerLeave
+            anchor={(
+              <button
+                type="button"
+                className={css.iconButton}
+                aria-label={t('actions.session.aria', { name: title })}
+                onClick={(e) => { e.stopPropagation(); setMenuOpen(v => !v) }}
+              >
+                <IconEllipsisOutline16 />
+              </button>
+            )}
+          />
+        </span>
+      )}
     </div>
   )
   return (
@@ -298,6 +350,9 @@ export function SessionNodeItem({ node, currentId, now, onOpen, onRename, onFork
       anchor={ownRow}
       content={<SessionHoverContent node={node} now={now} t={t} />}
       disabled={menuOpen || drag?.active === true}
+      copyText={row.blank ? undefined : row.title}
+      copyLabel={t('copy')}
+      copiedLabel={t('hover.copied')}
     />
   )
 }
diff --git a/packages/client/ui-workspace/src/client/tree.ts b/packages/client/ui-workspace/src/client/tree.ts
index f4bfaf1751..7ed7e684d1 100644
--- a/packages/client/ui-workspace/src/client/tree.ts
+++ b/packages/client/ui-workspace/src/client/tree.ts
@@ -3,7 +3,9 @@
  * Unassigned Sessions trail under Ungrouped; only the selected blank Session
  * remains visible.
  */
-import type { SessionId, SessionListState, SessionSummary, WorkspaceId, WorkspaceView } from '@deepseek-ai/dsh-client-runtime/client'
+import type {
+  SessionId, SessionListState, SessionSearchResultItem, SessionSummary, WorkspaceId, WorkspaceView,
+} from '@deepseek-ai/dsh-client-runtime/client'
 
 /** Group key for Sessions outside every Workspace. */
 export const UNGROUPED_KEY = ''
@@ -41,10 +43,24 @@ export interface GroupNode {
   sessions: readonly SessionNode[]
 }
 
+/** One flat search row combining list metadata with an optional content match. */
+export interface SearchResultNode {
+  id: SessionId
+  title: string
+  workspace: string
+  running: boolean
+  snippet?: string
+}
+
+/** Bounded merged search projection plus the refine-query hint bit. */
+export interface SearchResultSet {
+  items: readonly SearchResultNode[]
+  hasMore: boolean
+}
+
 /** Viewing state consumed by the derivation. */
 export interface TreeView {
   expandedProjects: readonly string[]
-  query: string
 }
 
 interface Group {
@@ -74,9 +90,13 @@ function byRecency(a: SessionSummary, b: SessionSummary): number {
   return a.id < b.id ? -1 : 1
 }
 
-/** Ordinary sessions are visible; among blank sessions, only the current one is visible. */
-function sessionVisible(session: SessionSummary, current: SessionId | undefined): boolean {
-  return !session.blank || session.id === current
+/**
+ * Ordinary sessions are visible; among blank sessions, only the current one
+ * is visible; archived sessions are visible nowhere (their accounting slots
+ * remain, so unarchiving restores position).
+ */
+function sessionVisible(session: SessionSummary, current: SessionId | undefined, archived: ReadonlySet<SessionId>): boolean {
+  return !archived.has(session.id) && (!session.blank || session.id === current)
 }
 
 /**
@@ -110,7 +130,11 @@ function buildGroup(
  * order, with members resolved from sessionIds in their stored order. Sessions
  * outside every Workspace trail in the recency-ordered Ungrouped bucket.
  */
-function groupByWorkspace(list: SessionListState, workspaces: readonly WorkspaceView[]): Group[] {
+function groupByWorkspace(
+  list: SessionListState,
+  workspaces: readonly WorkspaceView[],
+  archived: ReadonlySet<SessionId>,
+): Group[] {
   const groups: Group[] = []
   const accounted = new Set<SessionId>()
   for (const workspace of workspaces) {
@@ -119,7 +143,7 @@ function groupByWorkspace(list: SessionListState, workspaces: readonly Workspace
       const summary = list.byId[id]
       if (summary === undefined) continue // account may lead the list pull; the row appears when the summary lands
       accounted.add(id)
-      if (!sessionVisible(summary, list.current)) continue
+      if (!sessionVisible(summary, list.current, archived)) continue
       members.push(summary)
     }
     groups.push(buildGroup(
@@ -130,7 +154,7 @@ function groupByWorkspace(list: SessionListState, workspaces: readonly Workspace
   const stray = list.ids
     .map(id => list.byId[id])
     .filter((s): s is SessionSummary =>
-      s !== undefined && !accounted.has(s.id) && sessionVisible(s, list.current))
+      s !== undefined && !accounted.has(s.id) && sessionVisible(s, list.current, archived))
   if (stray.length > 0) {
     groups.push(buildGroup(UNGROUPED_KEY, undefined, undefined, undefined, UNGROUPED_LABEL, stray, 'recency'))
   }
@@ -150,59 +174,43 @@ function sessionNode(s: SessionSummary): SessionNode {
 /**
  * Derive the workspace browser groups with every session as a top-level row.
  *
- * Normal mode: every group shows; sessions populate under expanded groups,
- * preserving Host account order. Search mode (non-blank query,
- * case-insensitive display-title substring): expansion state is ignored —
- * matching sessions are forced visible, groups without a display-title or
- * label hit are dropped, and a label-only hit
- * keeps the bare group header. Non-current blank sessions are excluded
- * everywhere; blank placeholders never match a search query.
+ * Every group shows; sessions populate under expanded groups, preserving
+ * Host account order. Blank sessions are excluded except for the selected
+ * provisional New Session row; archived sessions are excluded everywhere.
+ * Content search lives outside this derivation
+ * (see {@link deriveSearchResults}).
  * @param list - sessions list snapshot (`current` feeds containsCurrent).
  * @param workspaces - real workspaces in stable Host order.
- * @param view - local expansion arrays and search query.
+ * @param archivedSessionIds - registry-global archive set.
+ * @param view - local expansion arrays.
  * @returns group sections in render order.
  */
 export function deriveGroups(
   list: SessionListState,
   workspaces: readonly WorkspaceView[],
+  archivedSessionIds: readonly SessionId[],
   view: TreeView,
 ): GroupNode[] {
-  const q = view.query.trim().toLowerCase()
+  const archived = new Set(archivedSessionIds)
   const expandedProjects = new Set(view.expandedProjects)
   const currentGroup = list.current === undefined
     ? undefined
     : (workspaces.find(w => w.sessionIds.includes(list.current as SessionId))?.workspaceId as string | undefined)
         ?? UNGROUPED_KEY
   const groups: GroupNode[] = []
-  for (const g of groupByWorkspace(list, workspaces)) {
-    if (q === '') {
-      const expanded = expandedProjects.has(g.key)
-      groups.push({
-        key: g.key,
-        workspaceId: g.workspaceId,
-        cwd: g.cwd,
-        createdAt: g.createdAt,
-        label: g.label,
-        sessionCount: g.sessions.length,
-        expanded,
-        containsCurrent: g.key === currentGroup,
-        sessions: expanded ? g.sessions.map(sessionNode) : [],
-      })
-    } else {
-      const matches = g.sessions.filter(session => !session.blank && sessionTitle(session).toLowerCase().includes(q))
-      if (matches.length === 0 && !g.label.toLowerCase().includes(q)) continue
-      groups.push({
-        key: g.key,
-        workspaceId: g.workspaceId,
-        cwd: g.cwd,
-        createdAt: g.createdAt,
-        label: g.label,
-        sessionCount: g.sessions.length,
-        expanded: matches.length > 0,
-        containsCurrent: g.key === currentGroup,
-        sessions: matches.map(sessionNode),
-      })
-    }
+  for (const g of groupByWorkspace(list, workspaces, archived)) {
+    const expanded = expandedProjects.has(g.key)
+    groups.push({
+      key: g.key,
+      workspaceId: g.workspaceId,
+      cwd: g.cwd,
+      createdAt: g.createdAt,
+      label: g.label,
+      sessionCount: g.sessions.length,
+      expanded,
+      containsCurrent: g.key === currentGroup,
+      sessions: expanded ? g.sessions.map(sessionNode) : [],
+    })
   }
   return groups
 }
@@ -210,19 +218,18 @@ export function deriveGroups(
 /**
  * Derive the flat session list ("In one list" mode): every session — fork
  * children included — as a top-level row, strictly newest-first. No grouping,
- * no parent/child adjacency. Search mode filters by case-insensitive
- * display-title substring.
+ * no parent/child adjacency. Content search lives outside this derivation
+ * (see {@link deriveSearchResults}).
  * @param list - sessions list snapshot.
- * @param view - the search query (expansion state does not apply).
+ * @param archivedSessionIds - registry-global archive set.
  * @returns flat rows in render order.
  */
-export function deriveFlat(list: SessionListState, view: Pick<TreeView, 'query'>): SessionNode[] {
-  const q = view.query.trim().toLowerCase()
+export function deriveFlat(list: SessionListState, archivedSessionIds: readonly SessionId[]): SessionNode[] {
+  const archived = new Set(archivedSessionIds)
   const rows: SessionSummary[] = []
   for (const id of list.ids) {
     const s = list.byId[id]
-    if (s === undefined || !sessionVisible(s, list.current)) continue
-    if (q !== '' && (s.blank || !sessionTitle(s).toLowerCase().includes(q))) continue
+    if (s === undefined || !sessionVisible(s, list.current, archived)) continue
     rows.push(s)
   }
   rows.sort(byRecency)
@@ -238,6 +245,86 @@ export interface RelativeTime {
   n: number
 }
 
+/**
+ * Merge immediate title/Workspace substring matches with ranked Host content
+ * matches. Local rows lead newest-first, content-only rows retain backend
+ * order, and duplicate sessions receive the backend snippet in place.
+ * @param list - session metadata authority.
+ * @param workspaces - Workspace membership and display labels.
+ * @param query - caller text; surrounding whitespace is ignored.
+ * @param archivedSessionIds - registry-global archive set (members never match).
+ * @param content - ranked Host content-search page.
+ * @param limit - protocol-owned maximum merged row count.
+ * @returns bounded deduplicated flat rows and a refine-query hint bit.
+ */
+export function deriveSearchResults(
+  list: SessionListState,
+  workspaces: readonly WorkspaceView[],
+  query: string,
+  archivedSessionIds: readonly SessionId[],
+  content: { items: readonly SessionSearchResultItem[]; hasMore: boolean },
+  limit: number,
+): SearchResultSet {
+  const q = query.trim().toLowerCase()
+  if (q === '') return { items: [], hasMore: false }
+  const archived = new Set(archivedSessionIds)
+
+  const workspaceBySession = new Map<SessionId, string>()
+  for (const workspace of workspaces) {
+    for (const sessionId of workspace.sessionIds) {
+      if (!workspaceBySession.has(sessionId)) workspaceBySession.set(sessionId, workspace.title)
+    }
+  }
+  const labelOf = (summary: SessionSummary): string =>
+    workspaceBySession.get(summary.id) ?? projectLabel(summary.cwd)
+  const contentBySession = new Map<SessionId, SessionSearchResultItem>()
+  for (const item of content.items) {
+    if (!contentBySession.has(item.sessionId)) contentBySession.set(item.sessionId, item)
+  }
+
+  const local: SessionSummary[] = []
+  for (const id of list.ids) {
+    const summary = list.byId[id]
+    // Blank placeholders never match a query (their canonical title displays
+    // localized, so matching it would tie search to one language).
+    if (summary === undefined || summary.blank || !sessionVisible(summary, list.current, archived)) continue
+    if (
+      sessionTitle(summary).toLowerCase().includes(q)
+      || labelOf(summary).toLowerCase().includes(q)
+    ) {
+      local.push(summary)
+    }
+  }
+  local.sort(byRecency)
+
+  const ordered: SessionSummary[] = []
+  const included = new Set<SessionId>()
+  const include = (summary: SessionSummary): void => {
+    if (included.has(summary.id)) return
+    included.add(summary.id)
+    ordered.push(summary)
+  }
+  for (const summary of local) include(summary)
+  for (const item of content.items) {
+    const summary = list.byId[item.sessionId]
+    if (summary !== undefined && !summary.blank && sessionVisible(summary, list.current, archived)) include(summary)
+  }
+
+  return {
+    items: ordered.slice(0, limit).map((summary) => {
+      const match = contentBySession.get(summary.id)
+      return {
+        id: summary.id,
+        title: sessionTitle(summary),
+        workspace: labelOf(summary),
+        running: summary.running,
+        ...match === undefined ? {} : { snippet: match.snippet },
+      }
+    }),
+    hasMore: content.hasMore || ordered.length > limit,
+  }
+}
+
 /**
  * Compact relative time for session rows, as a structured bucket the
  * renderer localizes ("now"/"5min"/"3h"/"2d"/"4mo"/"1y" in en).
diff --git a/packages/client/ui-workspace/tests/apply.spec.ts b/packages/client/ui-workspace/tests/apply.spec.ts
index 9637ad36f1..d6dfe8d185 100644
--- a/packages/client/ui-workspace/tests/apply.spec.ts
+++ b/packages/client/ui-workspace/tests/apply.spec.ts
@@ -2,11 +2,16 @@ import { Context } from 'cordis'
 import { describe, expect, it, vi } from 'vitest'
 import { SlotsService } from '@deepseek-ai/dsh-client-runtime/client'
 import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
+import { usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import { apply, inject } from '@deepseek-ai/dsh-client-ui-workspace/client'
 import type { WorkspaceBrowserInjected, WorkspacePickerInjected } from '@deepseek-ai/dsh-client-ui-workspace/client'
 import { WorkspaceBrowser } from '../src/client/WorkspaceBrowser.tsx'
 import { WorkspacePicker } from '../src/client/WorkspacePicker.tsx'
 
+// The service reads its initial locale from the browser; these specs assert
+// the shipped Chinese copy, so they state the browser they assume.
+usePinnedBrowserLanguages('zh-CN')
+
 async function bench() {
   const ctx = new Context()
   await ctx.plugin(SlotsService).await()
@@ -20,18 +25,22 @@ async function bench() {
   const insertSessionBefore = vi.fn(async () => ({}))
   const open = vi.fn()
   const clear = vi.fn()
+  const search = vi.fn(async () => ({
+    ok: true as const,
+    value: { items: [{ sessionId: 'session' as never, snippet: 'match' }], hasMore: false },
+  }))
   const renameSession = vi.fn(async (title: string) => ({ ok: true, value: { title, seq: 1 } }))
   const binding = vi.fn(() => ({ session: { rename: renameSession } }))
   const fork = vi.fn(async () => 'forked' as never)
   ctx.provide('workspaces', {
     create, startSession, rename, insertSessionBefore,
   } as never)
-  ctx.provide('sessions', { open, clear, binding, fork } as never)
+  ctx.provide('sessions', { open, clear, search, searchResultLimit: 20, binding, fork } as never)
   const locale = new LocaleService(ctx)
   ctx.provide('locale', locale)
   return {
     ctx, slots: ctx.get('slots') as SlotsService, locale, create, startSession, rename,
-    insertSessionBefore, open, clear, renameSession, binding, fork,
+    insertSessionBefore, open, clear, search, renameSession, binding, fork,
   }
 }
 
@@ -79,6 +88,13 @@ describe('ui-workspace apply', () => {
     expect(b.startSession).toHaveBeenLastCalledWith(undefined)
     browser.open('session' as never)
     expect(b.open).toHaveBeenCalledWith('session')
+    const signal = new AbortController().signal
+    await expect(browser.searchSessions('match', signal)).resolves.toEqual({
+      items: [{ sessionId: 'session', snippet: 'match' }],
+      hasMore: false,
+    })
+    expect(b.search).toHaveBeenCalledWith('match', signal)
+    expect(browser.searchResultLimit).toBe(20)
     await browser.renameSession('session' as never, 'renamed session')
     expect(b.binding).toHaveBeenCalledWith('session')
     expect(b.renameSession).toHaveBeenCalledWith('renamed session')
@@ -91,8 +107,8 @@ describe('ui-workspace apply', () => {
     expect(b.rename).toHaveBeenCalledWith('ws', 'renamed')
     await browser.insertSessionBefore('ws' as never, 's1' as never, 's2' as never)
     expect(b.insertSessionBefore).toHaveBeenCalledWith('ws', 's1', 's2')
-    await browser.createWorkspace({ name: 'project' })
-    expect(b.create).toHaveBeenCalledWith({ name: 'project' })
+    await browser.createWorkspace({ path: '/tmp/browser-project' })
+    expect(b.create).toHaveBeenCalledWith({ path: '/tmp/browser-project' })
 
     const picker = (b.slots.entries('conversation.hero.workspace')[0]!.inject as () => WorkspacePickerInjected)()
     await picker.createWorkspace({ path: '/tmp/project' })
@@ -124,6 +140,19 @@ describe('ui-workspace apply', () => {
     unsubscribe()
   })
 
+  it('rejects the browser search callback on a runtime business error', async () => {
+    const b = await bench()
+    b.search.mockImplementationOnce(async () => ({
+      ok: false,
+      error: { code: 'internal', message: 'index unavailable', details: {} },
+    }) as never)
+    declare(b.slots, 'sidebar.workspaces')
+    await b.ctx.plugin({ inject: [...inject], apply }).await()
+    const browser = (b.slots.entries('sidebar.workspaces')[0]!.inject as () => WorkspaceBrowserInjected)()
+    await expect(browser.searchSessions('needle', new AbortController().signal))
+      .rejects.toThrow('index unavailable')
+  })
+
   it('unregisters every entry on teardown', async () => {
     const b = await bench()
     declare(b.slots, 'sidebar.workspaces', 'conversation.hero.workspace', 'conversation.empty.workspace')
diff --git a/packages/client/ui-workspace/tests/rename-assembly.spec.tsx b/packages/client/ui-workspace/tests/rename-assembly.spec.tsx
index 200e3bbd21..44b812532e 100644
--- a/packages/client/ui-workspace/tests/rename-assembly.spec.tsx
+++ b/packages/client/ui-workspace/tests/rename-assembly.spec.tsx
@@ -14,10 +14,14 @@ import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
 import { cleanup, fireEvent, waitFor, within } from '@testing-library/react'
 import type { ISession, SessionId, WorkspaceId } from '@deepseek-ai/dsh-client-runtime/client'
 import type { PropsRenderSlots } from '@deepseek-ai/dsh-client-ui-slots'
-import { SlotTestRuntime } from '@deepseek-ai/dsh-client-test-runtime'
+import { SlotTestRuntime, usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
 import { apply, inject } from '@deepseek-ai/dsh-client-ui-workspace/client'
 
+// The service reads its initial locale from the browser; these specs assert
+// the shipped Chinese copy, so they state the browser they assume.
+usePinnedBrowserLanguages('zh-CN')
+
 const SID = 's1' as SessionId
 
 afterEach(cleanup)
diff --git a/packages/client/ui-workspace/tests/rows.spec.tsx b/packages/client/ui-workspace/tests/rows.spec.tsx
index 078a456092..7bef820d4a 100644
--- a/packages/client/ui-workspace/tests/rows.spec.tsx
+++ b/packages/client/ui-workspace/tests/rows.spec.tsx
@@ -5,8 +5,8 @@ import type { SessionId, WorkspaceId } from '@deepseek-ai/dsh-client-runtime/cli
 import { makeTranslate } from '@deepseek-ai/dsh-client-test-runtime'
 import { zh as commonZh } from '@deepseek-ai/dsh-client-locale/src/locales/zh.ts'
 import type { RowDragProps } from '../src/client/rows/Rows.tsx'
-import { ProjectRowItem, SessionNodeItem } from '../src/client/rows/Rows.tsx'
-import type { GroupNode, SessionNode } from '../src/client/tree.ts'
+import { ProjectRowItem, SearchResultItem, SessionNodeItem } from '../src/client/rows/Rows.tsx'
+import type { GroupNode, SearchResultNode, SessionNode } from '../src/client/tree.ts'
 import { zh } from '../src/client/locales.ts'
 
 afterEach(cleanup)
@@ -33,6 +33,19 @@ function dragProps(overrides: Partial<RowDragProps> = {}): RowDragProps {
   }
 }
 
+/** Install the async browser clipboard and restore its prior host shape. */
+function installClipboard(writeText: (text: string) => Promise<void>): () => void {
+  const prior = Object.getOwnPropertyDescriptor(navigator, 'clipboard')
+  Object.defineProperty(navigator, 'clipboard', {
+    configurable: true,
+    value: { writeText },
+  })
+  return () => {
+    if (prior === undefined) Reflect.deleteProperty(navigator, 'clipboard')
+    else Object.defineProperty(navigator, 'clipboard', prior)
+  }
+}
+
 const dataTransfer = { effectAllowed: '', dropEffect: '' }
 
 /** jsdom lacks DragEvent — the fireEvent fallback drops clientY, so pin it on the built event. */
@@ -44,6 +57,25 @@ function fireDrag(row: HTMLElement, kind: 'dragOver' | 'drop', clientY: number):
 }
 
 describe('workspace browser rows', () => {
+  it('renders a selected content-search row and opens only its session', () => {
+    const onOpen = vi.fn()
+    const result: SearchResultNode = {
+      id: sid('result'),
+      title: 'Result title',
+      workspace: 'Workspace context',
+      running: true,
+      snippet: 'matching message excerpt',
+    }
+    render(<SearchResultItem result={result} currentId={result.id} onOpen={onOpen} />)
+    const row = screen.getByRole('treeitem')
+    expect(row.getAttribute('aria-selected')).toBe('true')
+    expect(screen.getByText('Workspace context')).toBeTruthy()
+    expect(screen.getByText('matching message excerpt')).toBeTruthy()
+    expect(row.hasAttribute('draggable')).toBe(false)
+    fireEvent.click(row)
+    expect(onOpen).toHaveBeenCalledWith(result.id)
+  })
+
   it('renders an active Workspace and keeps its create action separate from toggling', () => {
     const onToggle = vi.fn()
     const onCreate = vi.fn()
@@ -69,7 +101,7 @@ describe('workspace browser rows', () => {
     const onOpen = vi.fn()
     render(
       <SessionNodeItem node={node} currentId={node.id} now={0} onOpen={onOpen}
-        onRename={vi.fn()} onFork={vi.fn()} t={t} />,
+        onRename={vi.fn()} onFork={vi.fn()} onArchive={vi.fn()} t={t} />,
     )
 
     const row = screen.getByRole('treeitem')
@@ -110,8 +142,10 @@ describe('workspace browser rows', () => {
     expect(screen.queryByRole('menu')).toBeNull()
   })
 
-  it('workspace hover card shows title, directory path, and creation time after the dwell', () => {
+  it('workspace hover card shows its details and copies the full directory path', async () => {
     vi.useFakeTimers()
+    const writeText = vi.fn(async () => {})
+    const restoreClipboard = installClipboard(writeText)
     try {
       const group: GroupNode = {
         key: 'project', workspaceId: wid('project'), cwd: '/projects/project', createdAt: 0, label: 'Project',
@@ -124,7 +158,11 @@ describe('workspace browser rows', () => {
       expect(screen.getAllByText('Project')).toHaveLength(2)
       expect(screen.getByText('/projects/project')).toBeTruthy()
       expect(screen.getByText(/^创建于 \d+年\d+月\d+日 /)).toBeTruthy()
+      await act(async () => { fireEvent.click(screen.getByRole('button', { name: '复制: /projects/project' })) })
+      expect(writeText).toHaveBeenCalledWith('/projects/project')
+      expect(screen.getByRole('status').textContent).toBe('已复制')
     } finally {
+      restoreClipboard()
       vi.useRealTimers()
     }
   })
@@ -138,18 +176,44 @@ describe('workspace browser rows', () => {
     expect(screen.queryByRole('button', { name: /工作区/ })).toBeNull()
   })
 
-  it('session row menu opens without opening the session and dispatches rename and fork', () => {
+  it('blank New Session rows carry no menu, no time label, and no hover-card time', () => {
+    vi.useFakeTimers()
+    try {
+      const node: SessionNode = {
+        id: sid('s-blank'), title: 'ignored', blank: true, running: false, updatedAt: 0,
+      }
+      render(<SessionNodeItem node={node} currentId={node.id} now={0} onOpen={vi.fn()}
+        onRename={vi.fn()} onFork={vi.fn()} onArchive={vi.fn()} t={t} />)
+      // The placeholder has no content yet: no row verbs, no "now" stamp.
+      expect(screen.queryByRole('button', { name: /会话.*的操作/ })).toBeNull()
+      expect(screen.queryByText('刚刚')).toBeNull()
+      // The hover card keeps title + status but drops the timestamp line.
+      const wrapper = screen.getByRole('treeitem').parentElement as HTMLElement
+      fireEvent.pointerEnter(wrapper)
+      act(() => { vi.advanceTimersByTime(500) })
+      expect(screen.getAllByText('新会话').length).toBeGreaterThanOrEqual(2)
+      expect(screen.getByText('空闲')).toBeTruthy()
+      expect(screen.queryByText('刚刚')).toBeNull()
+      expect(screen.getByText('空闲').closest('[role="button"]')).toBeNull()
+    } finally {
+      vi.useRealTimers()
+    }
+  })
+
+  it('session row menu opens without opening the session and dispatches rename, fork, and archive', () => {
     const onOpen = vi.fn()
     const onRename = vi.fn()
     const onFork = vi.fn()
+    const onArchive = vi.fn()
     const node: SessionNode = {
       id: sid('s1'), title: 'One', blank: false, running: false, updatedAt: 0,
     }
     render(<SessionNodeItem node={node} currentId={undefined} now={0} onOpen={onOpen}
-      onRename={onRename} onFork={onFork} t={t} />)
+      onRename={onRename} onFork={onFork} onArchive={onArchive} t={t} />)
     fireEvent.click(screen.getByRole('button', { name: '会话“One”的操作' }))
     expect(onOpen).not.toHaveBeenCalled()
-    expect(screen.getByRole('menuitem', { name: '删除会话' }).className).toMatch(/danger/)
+    // Archive is not destructive (log and accounting slot remain): no danger styling.
+    expect(screen.getByRole('menuitem', { name: '归档会话' }).className).not.toMatch(/danger/)
     // Rename dispatches with the current display title (dialog prefill).
     fireEvent.click(screen.getByRole('menuitem', { name: '重命名' }))
     expect(screen.queryByRole('menu')).toBeNull()
@@ -158,10 +222,12 @@ describe('workspace browser rows', () => {
     fireEvent.click(screen.getByRole('button', { name: '会话“One”的操作' }))
     fireEvent.click(screen.getByRole('menuitem', { name: '分叉会话' }))
     expect(onFork).toHaveBeenCalledWith(node.id)
-    // Delete stays visual-only.
+    // Archive dispatches without opening the session.
     fireEvent.click(screen.getByRole('button', { name: '会话“One”的操作' }))
-    fireEvent.click(screen.getByRole('menuitem', { name: '删除会话' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: '归档会话' }))
+    expect(onArchive).toHaveBeenCalledWith(node.id)
     expect(onRename).toHaveBeenCalledOnce()
+    expect(onOpen).not.toHaveBeenCalled()
     // Escape closes without selecting (Menu onClose path).
     fireEvent.click(screen.getByRole('button', { name: '会话“One”的操作' }))
     fireEvent.keyDown(document, { key: 'Escape' })
@@ -175,7 +241,7 @@ describe('workspace browser rows', () => {
         id: sid('s1'), title: 'Hovered', blank: false, running: true, updatedAt: 0,
       }
       render(<SessionNodeItem node={node} currentId={undefined} now={60_000} onOpen={vi.fn()}
-        onRename={vi.fn()} onFork={vi.fn()} t={t} />)
+        onRename={vi.fn()} onFork={vi.fn()} onArchive={vi.fn()} t={t} />)
       const wrapper = screen.getByRole('treeitem').parentElement as HTMLElement
       fireEvent.pointerEnter(wrapper)
       act(() => { vi.advanceTimersByTime(500) })
@@ -201,7 +267,7 @@ describe('workspace browser rows', () => {
         id: sid('s1'), title: 'Quiet', blank: false, running: false, updatedAt: 0,
       }
       render(<SessionNodeItem node={node} currentId={undefined} now={0} onOpen={vi.fn()}
-        onRename={vi.fn()} onFork={vi.fn()} t={t} />)
+        onRename={vi.fn()} onFork={vi.fn()} onArchive={vi.fn()} t={t} />)
       fireEvent.pointerEnter(screen.getByRole('treeitem').parentElement as HTMLElement)
       act(() => { vi.advanceTimersByTime(500) })
       expect(screen.getByText('空闲')).toBeTruthy()
@@ -218,7 +284,7 @@ describe('workspace browser rows', () => {
     const inactive = dragProps()
     const { rerender } = render(
       <SessionNodeItem node={node} currentId={undefined} now={0} onOpen={vi.fn()}
-        onRename={vi.fn()} onFork={vi.fn()} drag={inactive} t={t} />,
+        onRename={vi.fn()} onFork={vi.fn()} onArchive={vi.fn()} drag={inactive} t={t} />,
     )
     const row = screen.getByRole('treeitem')
     stubRect(row)
@@ -236,7 +302,7 @@ describe('workspace browser rows', () => {
     const active = dragProps({ active: true, marker: 'before' })
     rerender(
       <SessionNodeItem node={node} currentId={undefined} now={0} onOpen={vi.fn()}
-        onRename={vi.fn()} onFork={vi.fn()} drag={active} t={t} />,
+        onRename={vi.fn()} onFork={vi.fn()} onArchive={vi.fn()} drag={active} t={t} />,
     )
     stubRect(screen.getByRole('treeitem'))
     // Top half hovers/drops 'before'; bottom half 'after' (row mid = 117).
@@ -250,7 +316,7 @@ describe('workspace browser rows', () => {
     const after = dragProps({ active: true, marker: 'after' })
     rerender(
       <SessionNodeItem node={node} currentId={undefined} now={0} onOpen={vi.fn()}
-        onRename={vi.fn()} onFork={vi.fn()} drag={after} t={t} />,
+        onRename={vi.fn()} onFork={vi.fn()} onArchive={vi.fn()} drag={after} t={t} />,
     )
     expect(screen.getByRole('treeitem').className).toMatch(/dropAfter/)
   })
diff --git a/packages/client/ui-workspace/tests/tree.spec.ts b/packages/client/ui-workspace/tests/tree.spec.ts
index 8f6ba1af21..7476de29f5 100644
--- a/packages/client/ui-workspace/tests/tree.spec.ts
+++ b/packages/client/ui-workspace/tests/tree.spec.ts
@@ -2,7 +2,10 @@ import { describe, expect, it } from 'vitest'
 import type {
   SessionId, SessionListState, SessionSummary, WorkspaceId, WorkspaceView,
 } from '@deepseek-ai/dsh-client-runtime/client'
-import { deriveFlat, deriveGroups, projectLabel, relativeTime, UNGROUPED_KEY, UNGROUPED_LABEL } from '../src/client/tree.ts'
+import {
+  deriveFlat, deriveGroups, deriveSearchResults, projectLabel, relativeTime,
+  UNGROUPED_KEY, UNGROUPED_LABEL,
+} from '../src/client/tree.ts'
 import { createWorkspaceViewStore } from '../src/client/stores.ts'
 
 const sid = (id: string) => id as SessionId
@@ -16,26 +19,28 @@ const list = (...items: SessionSummary[]): SessionListState => ({
   current: undefined,
   phase: 'ready',
 })
-const workspace = (id: string, sessionIds: string[]): WorkspaceView => ({
-  workspaceId: wid(id), path: `/projects/${id}`, title: id,
+const workspace = (id: string, sessionIds: string[], title = id): WorkspaceView => ({
+  workspaceId: wid(id), path: `/projects/${id}`, title,
   sessionIds: sessionIds.map(sid), createdAt: '2026-01-01T00:00:00.000Z', updatedAt: '2026-01-01T00:00:00.000Z',
 })
-const view = (expandedProjects: readonly string[] = [], query = '') => ({
-  expandedProjects, query,
+const view = (expandedProjects: readonly string[] = []) => ({
+  expandedProjects,
 })
+const noArchive: readonly SessionId[] = []
+const archived = (...ids: string[]): readonly SessionId[] => ids.map(sid)
 
 describe('deriveGroups', () => {
   it('keeps Host Workspace and sessionIds order without Client recency sorting', () => {
     const sessions = list(summary('newer', 20), summary('older', 10))
     const workspaces = [workspace('first', ['older', 'newer']), workspace('empty', [])]
-    const groups = deriveGroups(sessions, workspaces, view(['first']))
+    const groups = deriveGroups(sessions, workspaces, noArchive, view(['first']))
     expect(groups.map(group => group.key)).toEqual(['first', 'empty'])
     expect(groups[0]!.sessions.map(session => session.id)).toEqual([sid('older'), sid('newer')])
   })
 
   it('puts only real unaccounted Sessions in the trailing Ungrouped group', () => {
     const sessions = list(summary('owned', 1, '/projects/first'), summary('loose', 9, '/other'))
-    const groups = deriveGroups(sessions, [workspace('first', ['owned'])], view([UNGROUPED_KEY]))
+    const groups = deriveGroups(sessions, [workspace('first', ['owned'])], noArchive, view([UNGROUPED_KEY]))
     expect(groups.map(group => group.key)).toEqual(['first', UNGROUPED_KEY])
     expect(groups[1]!.sessions.map(session => session.id)).toEqual([sid('loose')])
   })
@@ -49,7 +54,7 @@ describe('deriveGroups', () => {
       current: currentBlank.id,
     }
     const groups = deriveGroups(
-      sessions, [workspace('first', ['shown', 'current-blank', 'stale-blank'])], view(['first']),
+      sessions, [workspace('first', ['shown', 'current-blank', 'stale-blank'])], noArchive, view(['first']),
     )
     expect(groups[0]!.sessions.map(session => session.id)).toEqual([real.id, currentBlank.id])
     const blankNode = groups[0]!.sessions.find(session => session.id === currentBlank.id)!
@@ -60,29 +65,10 @@ describe('deriveGroups', () => {
     expect(groups[0]!.sessions.find(session => session.id === real.id)!.blank).toBe(false)
     expect(groups[0]!.sessionCount).toBe(2)
     // A non-current blank stray never surfaces an Ungrouped bucket either.
-    const strayGroups = deriveGroups(list({ ...summary('stray', 2), blank: true }), [workspace('first', [])], view())
+    const strayGroups = deriveGroups(list({ ...summary('stray', 2), blank: true }), [workspace('first', [])], noArchive, view())
     expect(strayGroups.map(group => group.key)).toEqual(['first'])
   })
 
-  it('excludes blank sessions from search regardless of the query', () => {
-    const currentBlank = { ...summary('opaque-current', 5), blank: true }
-    const staleBlank = { ...summary('new session stale', 4), blank: true }
-    const real = { ...summary('real', 3), displayTitle: 'new session notes' }
-    const sessions = {
-      ...list(currentBlank, staleBlank, real),
-      current: currentBlank.id,
-    }
-    const groups = deriveGroups(
-      sessions,
-      [workspace('first', ['opaque-current', 'new session stale', 'real'])],
-      view([], 'new session'),
-    )
-    // Only the real title hit matches; the current blank's placeholder title
-    // never participates (it displays localized, so matching it would tie
-    // search to one language).
-    expect(groups[0]!.sessions.map(session => session.id)).toEqual([real.id])
-  })
-
   it('ignores fork lineage and sorts every ungrouped session as a top-level row', () => {
     const parent = summary('parent', 1)
     const oldChild = { ...summary('old-child', 10), parentId: parent.id }
@@ -96,7 +82,8 @@ describe('deriveGroups', () => {
     const groups = deriveGroups(
       list(parent, oldChild, newChild, tieB, tieA, self, orphan, cycleA, cycleB),
       [],
-      { expandedProjects: [UNGROUPED_KEY], query: '' },
+      noArchive,
+      { expandedProjects: [UNGROUPED_KEY] },
     )
 
     expect(groups).toHaveLength(1)
@@ -106,7 +93,7 @@ describe('deriveGroups', () => {
     ])
 
     // Equal timestamps use ids as a deterministic tiebreak in either input order.
-    expect(deriveGroups(list(summary('tie-a', 1), summary('tie-b', 1)), [], view([UNGROUPED_KEY]))[0]!
+    expect(deriveGroups(list(summary('tie-a', 1), summary('tie-b', 1)), [], noArchive, view([UNGROUPED_KEY]))[0]!
       .sessions.map(node => node.id)).toEqual([sid('tie-a'), sid('tie-b')])
   })
 
@@ -116,42 +103,32 @@ describe('deriveGroups', () => {
       ids: [sid('present')],
       byId: { [sid('present')]: summary('present', 1) },
     }
-    const groups = deriveGroups(partial, [workspace('project', ['missing', 'present'])], view(['project']))
+    const groups = deriveGroups(partial, [workspace('project', ['missing', 'present'])], noArchive, view(['project']))
     expect(groups[0]!.sessions.map(node => node.id)).toEqual([sid('present')])
   })
 
-  it('searches rows independently of lineage and keeps label-only hits', () => {
-    const root = { ...summary('root', 1), displayTitle: 'Ancestor' }
-    const match = { ...summary('match', 2), displayTitle: 'Needle child', parentId: root.id }
-    const sibling = { ...summary('sibling', 3), displayTitle: 'Other child', parentId: root.id }
-    const self = { ...summary('self', 4), displayTitle: 'Needle self', parentId: sid('self') }
-    const orphan = { ...summary('orphan', 5), displayTitle: 'Needle orphan', parentId: sid('absent') }
-    const cycleA = { ...summary('cycle-a', 6), displayTitle: 'Needle cycle A', parentId: sid('cycle-b') }
-    const cycleB = { ...summary('cycle-b', 7), displayTitle: 'Needle cycle B', parentId: sid('cycle-a') }
-    const sessions = list(root, match, sibling, self, orphan, cycleA, cycleB)
-    const groups = deriveGroups(sessions, [workspace('project', sessions.ids)], view([], 'needle'))
-
-    expect(groups[0]!.sessions.map(node => node.id)).toEqual([
-      match.id, self.id, orphan.id, cycleA.id, cycleB.id,
-    ])
-
-    const labelOnly = deriveGroups(
-      list(summary('hidden', 1)),
-      [workspace('label-hit', ['hidden']), workspace('other', [])],
-      view([], 'label'),
+  it('hides archived sessions from workspace groups and Ungrouped', () => {
+    const kept = summary('kept', 1, '/projects/first')
+    const gone = summary('gone', 2, '/projects/first')
+    const looseGone = summary('loose-gone', 3, '/other')
+    const sessions = list(kept, gone, looseGone)
+    const groups = deriveGroups(
+      sessions, [workspace('first', ['kept', 'gone'])], archived('gone', 'loose-gone'), view(['first', UNGROUPED_KEY]),
     )
-    expect(labelOnly).toEqual([
-      expect.objectContaining({ key: 'label-hit', expanded: false, sessions: [], sessionCount: 1 }),
-    ])
+    // The archived member drops from its group AND the archived stray never
+    // surfaces an Ungrouped bucket; counts follow the visible rows.
+    expect(groups.map(group => group.key)).toEqual(['first'])
+    expect(groups[0]!.sessions.map(node => node.id)).toEqual([kept.id])
+    expect(groups[0]!.sessionCount).toBe(1)
   })
 
   it('marks selected Workspace and Ungrouped sessions without relying on an Intent', () => {
     const owned = summary('owned', 1)
     const loose = summary('loose', 2)
     const ws = workspace('project', ['owned'])
-    const ownedGroups = deriveGroups({ ...list(owned, loose), current: owned.id }, [ws], view())
+    const ownedGroups = deriveGroups({ ...list(owned, loose), current: owned.id }, [ws], noArchive, view())
     expect(ownedGroups.find(group => group.key === 'project')!.containsCurrent).toBe(true)
-    const looseGroups = deriveGroups({ ...list(owned, loose), current: loose.id }, [ws], view())
+    const looseGroups = deriveGroups({ ...list(owned, loose), current: loose.id }, [ws], noArchive, view())
     expect(looseGroups.find(group => group.key === UNGROUPED_KEY)!.containsCurrent).toBe(true)
   })
 })
@@ -162,19 +139,13 @@ describe('deriveFlat', () => {
     const child = { ...summary('child', 30), parentId: parent.id }
     const tieB = summary('tie-b', 20)
     const tieA = summary('tie-a', 20)
-    const rows = deriveFlat(list(parent, child, tieB, tieA), { query: '' })
+    const rows = deriveFlat(list(parent, child, tieB, tieA), noArchive)
     expect(rows.map(row => row.id)).toEqual([sid('child'), sid('tie-a'), sid('tie-b'), sid('parent')])
   })
 
-  it('search filters by case-insensitive display-title substring', () => {
-    const hit = { ...summary('hit', 2), displayTitle: 'Needle row' }
-    const miss = { ...summary('miss', 1), displayTitle: 'Other' }
-    expect(deriveFlat(list(hit, miss), { query: ' NEEDLE ' }).map(row => row.id)).toEqual([sid('hit')])
-  })
-
   it('tolerates ids whose summary has not landed yet', () => {
     const partial: SessionListState = { ...list(summary('present', 1)), ids: [sid('ghost'), sid('present')] }
-    expect(deriveFlat(partial, { query: '' }).map(row => row.id)).toEqual([sid('present')])
+    expect(deriveFlat(partial, noArchive).map(row => row.id)).toEqual([sid('present')])
   })
 
   it('shows only the current blank session and excludes blanks from search', () => {
@@ -184,14 +155,148 @@ describe('deriveFlat', () => {
       ...list(summary('real', 1), currentBlank, staleBlank),
       current: currentBlank.id,
     }
-    const rows = deriveFlat(sessions, { query: '' })
+    const rows = deriveFlat(sessions, noArchive)
     expect(rows.map(row => row.id)).toEqual([currentBlank.id, sid('real')])
     expect(rows.map(row => row.title)).toEqual(['New Session', 'real'])
     expect(rows.map(row => row.blank)).toEqual([true, false])
-    // Blank rows never match a query — not their placeholder title, not their id.
-    expect(deriveFlat(sessions, { query: 'new session' })).toEqual([])
-    expect(deriveFlat(sessions, { query: 'current-blank' })).toEqual([])
-    expect(deriveFlat(sessions, { query: 'stale-blank' })).toEqual([])
+  })
+
+  it('hides archived sessions in flat mode', () => {
+    const kept = summary('kept', 1)
+    const gone = summary('gone', 2)
+    expect(deriveFlat(list(kept, gone), archived('gone')).map(row => row.id)).toEqual([kept.id])
+  })
+})
+
+describe('deriveSearchResults archive filtering', () => {
+  it('archived sessions never match — not by title and not via a backend content hit', () => {
+    const hit = summary('hit', 2)
+    hit.displayTitle = 'Needle row'
+    const gone = summary('gone', 1)
+    gone.displayTitle = 'Needle archived'
+    const result = deriveSearchResults(
+      list(hit, gone),
+      [],
+      'needle',
+      archived('gone'),
+      { items: [{ sessionId: gone.id, snippet: 'needle body' }], hasMore: false },
+      10,
+    )
+    expect(result.items.map(item => item.id)).toEqual([hit.id])
+  })
+})
+
+describe('deriveSearchResults', () => {
+  it('merges local title/Workspace matches before ranked content hits and enriches duplicates', () => {
+    const titleHit = summary('title-hit', 30, '/projects/a')
+    titleHit.displayTitle = 'Needle title'
+    const workspaceHit = summary('workspace-hit', 20, '/projects/b')
+    workspaceHit.displayTitle = 'Ordinary title'
+    const contentHit = summary('content-hit', 10, '/projects/c')
+    const sessions = list(titleHit, workspaceHit, contentHit)
+    const result = deriveSearchResults(
+      sessions,
+      [
+        workspace('a', ['title-hit'], 'Alpha'),
+        workspace('b', ['workspace-hit'], 'Needle Workspace'),
+        workspace('duplicate-owner', ['title-hit'], 'Ignored duplicate owner'),
+      ],
+      ' NEEDLE ',
+      noArchive,
+      {
+        items: [
+          { sessionId: contentHit.id, snippet: 'body needle excerpt' },
+          { sessionId: contentHit.id, snippet: 'ignored duplicate excerpt' },
+          { sessionId: titleHit.id, snippet: 'title session body excerpt' },
+          { sessionId: sid('unknown'), snippet: 'not in session.list' },
+        ],
+        hasMore: false,
+      },
+      10,
+    )
+
+    expect(result).toEqual({
+      items: [
+        {
+          id: titleHit.id,
+          title: 'Needle title',
+          workspace: 'Alpha',
+          running: false,
+          snippet: 'title session body excerpt',
+        },
+        {
+          id: workspaceHit.id,
+          title: 'Ordinary title',
+          workspace: 'Needle Workspace',
+          running: false,
+        },
+        {
+          id: contentHit.id,
+          title: 'content-hit',
+          workspace: 'c',
+          running: false,
+          snippet: 'body needle excerpt',
+        },
+      ],
+      hasMore: false,
+    })
+  })
+
+  it('excludes blank sessions from search regardless of query or content hits', () => {
+    const currentBlank = { ...summary('opaque-current', 5), blank: true }
+    const staleBlank = { ...summary('new session stale', 4), blank: true }
+    const sessions = {
+      ...list(currentBlank, staleBlank),
+      current: currentBlank.id,
+    }
+    // Blank placeholders never match — not their localized-display title, not
+    // their id, and not even a backend content hit naming them.
+    const result = deriveSearchResults(
+      sessions,
+      [workspace('first', ['opaque-current', 'new session stale'])],
+      'new session',
+      noArchive,
+      {
+        items: [
+          { sessionId: staleBlank.id, snippet: 'stale body' },
+          { sessionId: currentBlank.id, snippet: 'current body' },
+        ],
+        hasMore: false,
+      },
+      10,
+    )
+    expect(result.items).toEqual([])
+  })
+
+  it('uses the supplied cap and preserves either local overflow or backend hasMore', () => {
+    const rows = Array.from({ length: 5 }, (_, index) => {
+      const item = summary(`s-${String(index).padStart(2, '0')}`, index)
+      item.displayTitle = `Needle ${String(index)}`
+      return item
+    })
+    const overflow = deriveSearchResults(
+      list(...rows),
+      [],
+      'needle',
+      noArchive,
+      { items: [], hasMore: false },
+      3,
+    )
+    expect(overflow.items).toHaveLength(3)
+    expect(overflow.hasMore).toBe(true)
+
+    const backendMore = deriveSearchResults(
+      list(summary('body', 1)),
+      [],
+      'needle',
+      noArchive,
+      { items: [{ sessionId: sid('body'), snippet: 'needle' }], hasMore: true },
+      3,
+    )
+    expect(backendMore.items).toHaveLength(1)
+    expect(backendMore.hasMore).toBe(true)
+    expect(deriveSearchResults(list(), [], '  ', noArchive, { items: [], hasMore: true }, 3))
+      .toEqual({ items: [], hasMore: false })
   })
 })
 
diff --git a/packages/client/ui-workspace/tests/workspace-browser.spec.tsx b/packages/client/ui-workspace/tests/workspace-browser.spec.tsx
index c8177669af..1128434de7 100644
--- a/packages/client/ui-workspace/tests/workspace-browser.spec.tsx
+++ b/packages/client/ui-workspace/tests/workspace-browser.spec.tsx
@@ -35,8 +35,8 @@ const workspace = (id: string, sessionIds: string[], title = id): WorkspaceView
   workspaceId: wid(id), path: `/projects/${id}`, title,
   sessionIds: sessionIds.map(sid), createdAt: '2026-01-01T00:00:00.000Z', updatedAt: '2026-01-01T00:00:00.000Z',
 })
-const workspaceState = (items: readonly WorkspaceView[]): WorkspaceListState => ({
-  items, state: 'idle', phase: 'ready', error: null, baselinesReady: true,
+const workspaceState = (items: readonly WorkspaceView[], archivedSessionIds: readonly SessionId[] = []): WorkspaceListState => ({
+  items, archivedSessionIds, state: 'idle', phase: 'ready', error: null, baselinesReady: true,
   recentWorkspaceId: items[0]?.workspaceId,
 })
 function hook<T>(snapshot: T) {
@@ -62,10 +62,13 @@ function mount(overrides: Partial<WorkspaceBrowserProps> = {}) {
     actions: store.actions,
     startSession: vi.fn(),
     open: vi.fn(),
+    searchSessions: vi.fn(async () => ({ items: [], hasMore: false })),
+    searchResultLimit: 20,
     renameSession: vi.fn(async () => {}),
     forkSession: vi.fn(),
     renameWorkspace: vi.fn(async () => {}),
     deleteWorkspace: vi.fn(async () => {}),
+    archiveSession: vi.fn(async () => {}),
     insertSessionBefore: vi.fn(async () => {}),
     createWorkspace: vi.fn(async () => workspace('created', [])),
     useDirectoryFlow: bindSnapshotSelector({ getSnapshot: () => true, subscribe: () => () => {} }),
@@ -133,6 +136,50 @@ describe('WorkspaceBrowser', () => {
     expect(screen.queryByText('alpha-s')).toBeNull()
   })
 
+  it('archives a session from the row menu and hides archived rows in both modes', async () => {
+    const archiveSession = vi.fn(async () => {})
+    const b = mount({
+      useSessions: hook(sessionState([summary('kept-s', 2), summary('gone-s', 1)])),
+      useWorkspaces: hook(workspaceState([workspace('alpha', ['kept-s', 'gone-s'])])),
+      archiveSession,
+    })
+    fireEvent.click(screen.getByText('alpha'))
+    fireEvent.click(screen.getByRole('button', { name: '会话“gone-s”的操作' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: '归档会话' }))
+    expect(archiveSession).toHaveBeenCalledWith(sid('gone-s'))
+
+    // The archive-set echo hides the row in grouped mode (count included) and flat mode.
+    rerender(b, { useWorkspaces: hook(workspaceState([workspace('alpha', ['kept-s', 'gone-s'])], [sid('gone-s')])) })
+    expect(screen.queryByText('gone-s')).toBeNull()
+    expect(screen.getByText('1 个会话')).toBeTruthy()
+    fireEvent.click(screen.getByRole('button', { name: '分组方式' }))
+    fireEvent.click(screen.getByRole('menuitem', { name: '单列表' }))
+    expect(screen.getByText('kept-s')).toBeTruthy()
+    expect(screen.queryByText('gone-s')).toBeNull()
+  })
+
+  it('logs and keeps the tree when the archive call rejects', async () => {
+    const rejection = new Error('archive exploded')
+    const archiveSession = vi.fn(async () => { throw rejection })
+    const warn = vi.spyOn(console, 'warn').mockImplementation(() => {})
+    try {
+      mount({
+        useSessions: hook(sessionState([summary('alpha-s', 1)])),
+        useWorkspaces: hook(workspaceState([workspace('alpha', ['alpha-s'])])),
+        archiveSession,
+      })
+      fireEvent.click(screen.getByText('alpha'))
+      fireEvent.click(screen.getByRole('button', { name: '会话“alpha-s”的操作' }))
+      fireEvent.click(screen.getByRole('menuitem', { name: '归档会话' }))
+      await Promise.resolve()
+      await Promise.resolve()
+      expect(warn).toHaveBeenCalledWith('session archive rejected:', rejection)
+      expect(screen.getByText('alpha-s')).toBeTruthy()
+    } finally {
+      warn.mockRestore()
+    }
+  })
+
   it('renders a fork child as a top-level row without a session twist', () => {
     const parent = summary('parent-s', 2)
     const child = { ...summary('child-s', 1), parentId: parent.id }
@@ -219,38 +266,215 @@ describe('WorkspaceBrowser', () => {
     expect(screen.queryByText('新会话')).toBeNull()
   })
 
-  it('searches across groups, clears via the clear button, and shows the empty states', () => {
-    const sessions = sessionState([
-      summary('needle-row', 2, { displayTitle: 'Needle row' }),
-      summary('other-row', 1, { displayTitle: 'Other row' }),
-    ])
-    mount({
-      useSessions: hook(sessions),
-      useWorkspaces: hook(workspaceState([workspace('alpha', ['needle-row', 'other-row'])])),
-    })
-    const input = screen.getByPlaceholderText<HTMLInputElement>('搜索名称、关键词…')
-    fireEvent.change(input, { target: { value: 'needle' } })
-    // Search forces matches visible without expansion state.
-    expect(screen.getByText('Needle row')).toBeTruthy()
-    expect(screen.queryByText('Other row')).toBeNull()
-    fireEvent.change(input, { target: { value: 'zzz' } })
-    expect(screen.getByText('无匹配结果')).toBeTruthy()
-    fireEvent.click(screen.getByRole('button', { name: '清除搜索' }))
-    expect(input.value).toBe('')
-    // Clicking the field row focuses the input (wide mode).
-    fireEvent.click(input.parentElement as HTMLElement)
-    expect(document.activeElement).toBe(input)
+  it('shows local metadata matches immediately, then clears back to the grouped tree', async () => {
+    vi.useFakeTimers()
+    try {
+      const sessions = sessionState([
+        summary('needle-row', 2, { displayTitle: 'Needle row' }),
+        summary('other-row', 1, { displayTitle: 'Other row' }),
+      ])
+      mount({
+        useSessions: hook(sessions),
+        useWorkspaces: hook(workspaceState([workspace('alpha', ['needle-row', 'other-row'])])),
+      })
+      const input = screen.getByPlaceholderText<HTMLInputElement>('搜索名称、关键词…')
+      fireEvent.change(input, { target: { value: 'needle' } })
+      const resultTree = screen.getByRole('tree', { name: '搜索结果' })
+      expect(screen.getByText('Needle row')).toBeTruthy()
+      expect(screen.queryByText('Other row')).toBeNull()
+      const status = screen.getByRole('status')
+      expect(status.textContent).toBe('正在搜索会话历史…')
+      expect(resultTree.contains(status)).toBe(false)
+
+      fireEvent.change(input, { target: { value: 'zzz' } })
+      await act(async () => { await vi.advanceTimersByTimeAsync(250) })
+      expect(screen.getByText('无匹配会话')).toBeTruthy()
+      fireEvent.click(screen.getByRole('button', { name: '清除搜索' }))
+      expect(input.value).toBe('')
+      expect(screen.getByRole('tree', { name: '会话' })).toBeTruthy()
+      // Clicking the field row focuses the input (wide mode).
+      fireEvent.click(input.parentElement as HTMLElement)
+      expect(document.activeElement).toBe(input)
+    } finally {
+      vi.useRealTimers()
+    }
   })
 
-  it('shows the no-sessions empty state in both modes', () => {
-    const b = mount()
-    expect(screen.getByText('暂无会话')).toBeTruthy()
-    b.store.actions.setGroupBy('flat')
-    rerender(b, {})
-    expect(screen.getByText('暂无会话')).toBeTruthy()
-    // Flat search misses show No matches.
-    fireEvent.change(screen.getByPlaceholderText('搜索名称、关键词…'), { target: { value: 'x' } })
-    expect(screen.getByText('无匹配结果')).toBeTruthy()
+  it('adds Host content hits with context, shows the result bound, and opens without clearing the query', async () => {
+    vi.useFakeTimers()
+    try {
+      const open = vi.fn()
+      const searchSessions = vi.fn(async () => ({
+        items: [{ sessionId: sid('body-hit'), snippet: '…the waterfall token appears here…' }],
+        hasMore: true,
+      }))
+      mount({
+        useSessions: hook(sessionState([
+          summary('body-hit', 1, { displayTitle: 'Research notes' }),
+        ])),
+        useWorkspaces: hook(workspaceState([
+          workspace('research', ['body-hit'], 'Research Workspace'),
+        ])),
+        open,
+        searchSessions,
+      })
+      const input = screen.getByPlaceholderText<HTMLInputElement>('搜索名称、关键词…')
+      fireEvent.change(input, { target: { value: 'waterfall token' } })
+      expect(screen.getByText('正在搜索会话历史…')).toBeTruthy()
+      expect(screen.queryByText('Research notes')).toBeNull()
+
+      await act(async () => { await vi.advanceTimersByTimeAsync(250) })
+
+      expect(searchSessions).toHaveBeenCalledWith('waterfall token', expect.any(AbortSignal))
+      expect(screen.getByText('Research notes')).toBeTruthy()
+      expect(screen.getByText('Research Workspace')).toBeTruthy()
+      expect(screen.getByText('…the waterfall token appears here…')).toBeTruthy()
+      expect(screen.getByText('仅显示前 20 条结果，请缩小搜索范围。')).toBeTruthy()
+      fireEvent.click(screen.getByRole('treeitem'))
+      expect(open).toHaveBeenCalledWith(sid('body-hit'))
+      expect(input.value).toBe('waterfall token')
+    } finally {
+      vi.useRealTimers()
+    }
+  })
+
+  it('bounds programmatic search input to a schema-valid request without splitting an astral character', async () => {
+    vi.useFakeTimers()
+    try {
+      const searchSessions = vi.fn(async () => ({ items: [], hasMore: false }))
+      mount({ searchSessions })
+      const input = screen.getByPlaceholderText<HTMLInputElement>('搜索名称、关键词…')
+      expect(input.maxLength).toBe(500)
+      fireEvent.change(input, { target: { value: 'y'.repeat(501) } })
+      expect(input.value).toBe('y'.repeat(500))
+      const expected = `prefix${'x'.repeat(493)}`
+      fireEvent.change(input, {
+        target: { value: `prefix\0${'x'.repeat(493)}😀tail` },
+      })
+
+      expect(input.value).toBe(expected)
+      expect(input.value.length).toBe(499)
+      expect(input.value).not.toContain('\0')
+      await act(async () => { await vi.advanceTimersByTimeAsync(250) })
+      expect(searchSessions).toHaveBeenCalledOnce()
+      expect(searchSessions).toHaveBeenCalledWith(expected, expect.any(AbortSignal))
+    } finally {
+      vi.useRealTimers()
+    }
+  })
+
+  it('keeps local matches and shows a lightweight warning when Host search fails', async () => {
+    vi.useFakeTimers()
+    try {
+      const searchSessions = vi.fn(async () => { throw new Error('index unavailable') })
+      mount({
+        useSessions: hook(sessionState([
+          summary('local-hit', 1, { displayTitle: 'Needle title' }),
+        ])),
+        useWorkspaces: hook(workspaceState([workspace('alpha', ['local-hit'])])),
+        searchSessions,
+      })
+      fireEvent.change(screen.getByPlaceholderText('搜索名称、关键词…'), {
+        target: { value: 'needle' },
+      })
+      expect(screen.getByText('Needle title')).toBeTruthy()
+      await act(async () => { await vi.advanceTimersByTimeAsync(250) })
+      expect(screen.getByText('Needle title')).toBeTruthy()
+      expect(screen.getByText('内容搜索暂不可用，仅显示名称匹配。')).toBeTruthy()
+      expect(screen.queryByText('无匹配会话')).toBeNull()
+    } finally {
+      vi.useRealTimers()
+    }
+  })
+
+  it('aborts a superseded request and ignores its stale result', async () => {
+    vi.useFakeTimers()
+    try {
+      let resolveFirst!: (value: {
+        items: { sessionId: SessionId; snippet: string }[]
+        hasMore: boolean
+      }) => void
+      const first = new Promise<{
+        items: { sessionId: SessionId; snippet: string }[]
+        hasMore: boolean
+      }>((resolve) => { resolveFirst = resolve })
+      const searchSessions = vi.fn((query: string, _signal: AbortSignal) => query === 'first'
+        ? first
+        : Promise.resolve({
+          items: [{ sessionId: sid('second-hit'), snippet: 'second excerpt' }],
+          hasMore: false,
+        }))
+      mount({
+        useSessions: hook(sessionState([
+          summary('first-hit', 2, { displayTitle: 'Old result' }),
+          summary('second-hit', 1, { displayTitle: 'Fresh result' }),
+        ])),
+        searchSessions,
+      })
+      const input = screen.getByPlaceholderText('搜索名称、关键词…')
+      fireEvent.change(input, { target: { value: 'first' } })
+      await act(async () => { await vi.advanceTimersByTimeAsync(250) })
+      const firstSignal = searchSessions.mock.calls[0]?.[1] as AbortSignal
+      expect(firstSignal.aborted).toBe(false)
+
+      fireEvent.change(input, { target: { value: 'second' } })
+      expect(firstSignal.aborted).toBe(true)
+      await act(async () => { await vi.advanceTimersByTimeAsync(250) })
+      expect(screen.getByText('Fresh result')).toBeTruthy()
+
+      await act(async () => {
+        resolveFirst({
+          items: [{ sessionId: sid('first-hit'), snippet: 'stale excerpt' }],
+          hasMore: false,
+        })
+        await Promise.resolve()
+      })
+      expect(screen.queryByText('Old result')).toBeNull()
+      expect(screen.getByText('Fresh result')).toBeTruthy()
+    } finally {
+      vi.useRealTimers()
+    }
+  })
+
+  it('ignores a rejected request after it has been superseded', async () => {
+    vi.useFakeTimers()
+    try {
+      let rejectFirst!: (reason: Error) => void
+      const first = new Promise<never>((_resolve, reject) => { rejectFirst = reject })
+      const searchSessions = vi.fn((query: string) => query === 'first'
+        ? first
+        : Promise.resolve({ items: [], hasMore: false }))
+      mount({ searchSessions })
+      const input = screen.getByPlaceholderText('搜索名称、关键词…')
+      fireEvent.change(input, { target: { value: 'first' } })
+      await act(async () => { await vi.advanceTimersByTimeAsync(250) })
+
+      fireEvent.change(input, { target: { value: 'second' } })
+      await act(async () => {
+        rejectFirst(new Error('stale failure'))
+        await Promise.resolve()
+      })
+      expect(screen.queryByText('内容搜索暂不可用，仅显示名称匹配。')).toBeNull()
+    } finally {
+      vi.useRealTimers()
+    }
+  })
+
+  it('shows the no-sessions empty state in both modes and resolves an empty search', async () => {
+    vi.useFakeTimers()
+    try {
+      const b = mount()
+      expect(screen.getByText('暂无会话')).toBeTruthy()
+      b.store.actions.setGroupBy('flat')
+      rerender(b, {})
+      expect(screen.getByText('暂无会话')).toBeTruthy()
+      fireEvent.change(screen.getByPlaceholderText('搜索名称、关键词…'), { target: { value: 'x' } })
+      expect(screen.getByText('正在搜索会话历史…')).toBeTruthy()
+      await act(async () => { await vi.advanceTimersByTimeAsync(250) })
+      expect(screen.getByText('无匹配会话')).toBeTruthy()
+    } finally {
+      vi.useRealTimers()
+    }
   })
 
   it('rail state renders icon controls that request expansion', () => {
@@ -276,23 +500,26 @@ describe('WorkspaceBrowser', () => {
     }
   })
 
-  it('rail create-workspace toggles the create-only picker in place, without expanding', () => {
+  it('rail add-workspace raises the directory flow in place, with no menu and no expansion', () => {
     const expandSidebar = vi.fn()
     mount({ wide: false, expandSidebar, useWorkspaces: hook(workspaceState([workspace('alpha', [])])) })
-    fireEvent.click(screen.getByRole('button', { name: '创建工作区' }))
+    fireEvent.click(screen.getByRole('button', { name: '添加工作区' }))
     expect(expandSidebar).not.toHaveBeenCalled()
-    // createOnly: existing workspaces are not listed, only the create actions.
+    // Adding is the header's only action, so the gesture IS that action: no
+    // one-row popover, and existing workspaces stay in the tree below.
+    expect(screen.queryByRole('menu')).toBeNull()
     expect(screen.queryByRole('menuitem', { name: 'alpha' })).toBeNull()
-    expect(screen.getByRole('menuitem', { name: '打开本地文件夹…' })).toBeTruthy()
-    // Toggle: open and close in place.
-    fireEvent.click(screen.getByRole('button', { name: '创建工作区' }))
-    expect(screen.queryByRole('menu')).toBeNull()
+    expect(screen.getByTestId('directory-flow')).toBeTruthy()
+  })
 
-    // Escape closes the picker through its own onClose.
-    fireEvent.click(screen.getByRole('button', { name: '创建工作区' }))
-    expect(screen.getByRole('menu')).toBeTruthy()
-    fireEvent.keyDown(document, { key: 'Escape' })
-    expect(screen.queryByRole('menu')).toBeNull()
+  it('hides the add button when no directory-flow occupant is composed', () => {
+    mount({
+      useWorkspaces: hook(workspaceState([workspace('alpha', [])])),
+      useDirectoryFlow: bindSnapshotSelector({ getSnapshot: () => false, subscribe: () => () => {} }),
+    })
+    // Nothing to add with, so the header offers no dead button.
+    expect(screen.queryByRole('button', { name: '添加工作区' })).toBeNull()
+    expect(screen.getByText('alpha')).toBeTruthy()
   })
 
   it('drag reorder reports the anchor to insertSessionBefore and skips no-op drops', () => {
@@ -498,7 +725,7 @@ describe('WorkspaceBrowser', () => {
     await act(async () => { resolveDelete() })
     // RPC success alone does not close: the component waits until its
     // useWorkspaces projection has committed the removal, preventing a stale
-    // duplicate-name frame from leaking into the next create gesture.
+    // Workspace frame from leaking into the next gesture.
     expect(screen.getByRole('dialog', { name: '删除工作区' })).toBeTruthy()
     rerender(browser, { useWorkspaces: hook(workspaceState([])) })
     expect(screen.queryByRole('dialog', { name: '删除工作区' })).toBeNull()
@@ -551,6 +778,6 @@ describe('WorkspaceBrowser', () => {
     })
     fireEvent.change(screen.getByPlaceholderText('搜索名称、关键词…'), { target: { value: 'needle' } })
     const row = screen.getByText('Needle A').closest('[role="treeitem"]') as HTMLElement
-    expect(row.getAttribute('draggable')).toBe('false')
+    expect(row.hasAttribute('draggable')).toBe(false)
   })
 })
diff --git a/packages/client/ui-workspace/tests/workspace-picker.spec.tsx b/packages/client/ui-workspace/tests/workspace-picker.spec.tsx
index 3a1bb8e2b2..9ab2128073 100644
--- a/packages/client/ui-workspace/tests/workspace-picker.spec.tsx
+++ b/packages/client/ui-workspace/tests/workspace-picker.spec.tsx
@@ -4,7 +4,6 @@ import { act, cleanup, fireEvent, render, screen, waitFor } from '@testing-libra
 import type {
   SessionListState, WorkspaceId, WorkspaceListState, WorkspaceView,
 } from '@deepseek-ai/dsh-client-runtime/client'
-import { WorkspaceCreateError } from '@deepseek-ai/dsh-client-runtime/client'
 import { makeTranslate } from '@deepseek-ai/dsh-client-test-runtime'
 import { zh as commonZh } from '@deepseek-ai/dsh-client-locale/src/locales/zh.ts'
 import type { DirectoryFlowOwnerProps, WorkspacePickerProps } from '../src/client/contract/slots.ts'
@@ -32,7 +31,7 @@ const sessions: SessionListState = {
   ids: [], byId: {}, current: undefined, phase: 'ready',
 }
 const workspaceState = (items: readonly WorkspaceView[]): WorkspaceListState => ({
-  items, state: 'idle', phase: 'ready', error: null, baselinesReady: true,
+  items, archivedSessionIds: [], state: 'idle', phase: 'ready', error: null, baselinesReady: true,
   recentWorkspaceId: items[0]?.workspaceId,
 })
 function anchor(): { current: HTMLElement } {
@@ -110,35 +109,25 @@ function mount(
   }
 }
 
-function chooseItem(name: '打开本地文件夹…' | '新建工作区'): void {
-  fireEvent.click(screen.getByRole('menuitem', { name }))
+function chooseAdd(): void {
+  fireEvent.click(screen.getByRole('menuitem', { name: '添加工作区…' }))
 }
 
 describe('WorkspacePicker', () => {
-  it('lists real Workspaces from useWorkspaces and forwards a selected id', () => {
-    const b = mount()
-    fireEvent.click(screen.getByRole('menuitem', { name: 'Alpha' }))
-    expect(b.onPick).toHaveBeenCalledWith(wid('alpha'))
-  })
-
-  it('creates a real Workspace from a name and focuses its frontend Session target', async () => {
-    const created = workspace('new', 'New')
-    const createWorkspace = vi.fn(async () => created)
-    const b = mount([], createWorkspace)
-    chooseItem('新建工作区')
-    const input = screen.getByLabelText('新工作区名称')
-    fireEvent.change(input, { target: { value: 'project-one' } })
-    fireEvent.click(screen.getByRole('button', { name: '创建工作区' }))
-    expect(createWorkspace).toHaveBeenCalledWith({ name: 'project-one' })
-    await waitFor(() => { expect(b.onPick).toHaveBeenCalledWith(created.workspaceId) })
+  it('lists same-title Workspaces separately and forwards the selected id', () => {
+    const b = mount([workspace('alpha', 'Shared'), workspace('beta', 'Shared')])
+    const entries = screen.getAllByRole('menuitem', { name: 'Shared' })
+    expect(entries).toHaveLength(2)
+    fireEvent.click(entries[1]!)
+    expect(b.onPick).toHaveBeenCalledWith(wid('beta'))
   })
 
   it('opens the composed directory flow, adopts its picked path, and selects the returned Workspace', async () => {
     const created = { ...workspace('adopted'), path: '/tmp/project', title: 'project' }
     const createWorkspace = vi.fn(async () => created)
-    const b = mount([], createWorkspace)
+    const b = mount([workspace('alpha', 'Alpha')], createWorkspace)
     expect(screen.queryByTestId('directory-flow')).toBeNull()
-    chooseItem('打开本地文件夹…')
+    chooseAdd()
     expect(b.onClose).toHaveBeenCalled()
     expect(screen.getByTestId('directory-flow')).toBeTruthy()
     await act(async () => { b.probe.owner!.onPicked('/tmp/project') })
@@ -148,9 +137,19 @@ describe('WorkspacePicker', () => {
     expect(screen.queryByTestId('directory-flow')).toBeNull()
   })
 
-  it('treats flow cancellation as a silent no-op', () => {
+  it('raises the flow straight from the anchor gesture when adding is the only entry', () => {
+    // Nothing to list and one action left: a one-row menu would offer no
+    // choice, so the owner's open request lands in the flow itself.
     const b = mount([])
-    chooseItem('打开本地文件夹…')
+    expect(screen.queryByRole('menu')).toBeNull()
+    expect(screen.queryByRole('menuitem', { name: '添加工作区…' })).toBeNull()
+    expect(b.onClose).toHaveBeenCalled()
+    expect(screen.getByTestId('directory-flow')).toBeTruthy()
+  })
+
+  it('treats flow cancellation as a silent no-op', () => {
+    const b = mount([workspace('alpha', 'Alpha')])
+    chooseAdd()
     act(() => { b.probe.owner!.onCancel() })
     expect(screen.queryByTestId('directory-flow')).toBeNull()
     expect(b.createWorkspace).not.toHaveBeenCalled()
@@ -158,20 +157,14 @@ describe('WorkspacePicker', () => {
     expect(screen.queryByRole('dialog')).toBeNull()
   })
 
-  it('shows a name conflict and retries by reopening the flow', async () => {
-    const createWorkspace = vi.fn(async () => {
-      throw new WorkspaceCreateError({
-        code: 'workspace-name-conflict', message: 'project already exists', details: { name: 'project' },
-      })
-    })
-    const b = mount([], createWorkspace)
-    chooseItem('打开本地文件夹…')
+  it('reports a non-Error adoption failure in the folder-error surface', async () => {
+    const b = mount([workspace('alpha', 'Alpha')], vi.fn(async () => { throw 'permission denied' }))
+    chooseAdd()
     await act(async () => { b.probe.owner!.onPicked('/one/project') })
     await waitFor(() => {
-      expect(screen.getByRole('dialog', { name: '已存在同名工作区' })).toBeTruthy()
+      expect(screen.getByRole('dialog', { name: '无法打开文件夹' })).toBeTruthy()
     })
-    expect(screen.getByRole('alert').textContent).toBe('请选择其他名称的文件夹。')
-    // The failed adoption withdrew the flow; Choose again reopens it.
+    expect(screen.getByRole('alert').textContent).toBe('permission denied')
     expect(b.probe.owner!.open).toBe(false)
     fireEvent.click(screen.getByRole('button', { name: '重新选择' }))
     expect(b.probe.owner!.open).toBe(true)
@@ -183,98 +176,41 @@ describe('WorkspacePicker', () => {
     const pending = new Promise<WorkspaceView>((settle) => { resolve = settle })
     const created = workspace('adopted')
     const b = mount([workspace('alpha', 'Alpha')], vi.fn(() => pending))
-    chooseItem('打开本地文件夹…')
+    chooseAdd()
     // The flow is open but nothing is picked yet: a chooser pending on the
     // host display must already block concurrent workspace actions.
     expect(screen.getByRole<HTMLButtonElement>('menuitem', { name: 'Alpha' }).disabled).toBe(true)
-    expect(screen.getByRole<HTMLButtonElement>('menuitem', { name: '新建工作区' }).disabled).toBe(true)
+    expect(screen.getByRole<HTMLButtonElement>('menuitem', { name: '添加工作区…' }).disabled).toBe(true)
     act(() => { b.probe.owner!.onPicked('/tmp/project') })
     expect(b.probe.owner!.busy).toBe(true)
-    expect(screen.getByRole<HTMLButtonElement>('menuitem', { name: '打开本地文件夹…' }).disabled).toBe(true)
-    expect(screen.getByRole<HTMLButtonElement>('menuitem', { name: '新建工作区' }).disabled).toBe(true)
+    expect(screen.getByRole<HTMLButtonElement>('menuitem', { name: 'Alpha' }).disabled).toBe(true)
+    expect(screen.getByRole<HTMLButtonElement>('menuitem', { name: '添加工作区…' }).disabled).toBe(true)
     await act(async () => { resolve(created); await pending })
     expect(b.probe.owner!.busy).toBe(false)
   })
 
   it('shows the flow-reported failure in the folder-error surface', () => {
-    const b = mount([])
-    chooseItem('打开本地文件夹…')
+    const b = mount([workspace('alpha', 'Alpha')])
+    chooseAdd()
     act(() => { b.probe.owner!.onError('no chooser installed') })
     expect(screen.getByRole('alert').textContent).toBe('no chooser installed')
     expect(screen.queryByTestId('directory-flow')).toBeNull()
     expect(b.createWorkspace).not.toHaveBeenCalled()
   })
 
-  it('closes a creation modal when the user cancels', () => {
-    mount([])
-    chooseItem('新建工作区')
+  it('closes the folder-error surface when the user cancels', () => {
+    const b = mount([workspace('alpha', 'Alpha')])
+    chooseAdd()
+    act(() => { b.probe.owner!.onError('no chooser installed') })
     fireEvent.click(screen.getByRole('button', { name: '取消' }))
     expect(screen.queryByRole('dialog')).toBeNull()
   })
 
-  it('blocks a create-new name already present in the Workspace list', () => {
-    const b = mount([workspace('alpha', 'Alpha')])
-    chooseItem('新建工作区')
-    fireEvent.change(screen.getByLabelText('新工作区名称'), { target: { value: ' Alpha ' } })
-    expect(screen.getByRole('alert').textContent).toBe('已存在名为“Alpha”的工作区。')
-    expect(screen.getByRole<HTMLButtonElement>('button', { name: '创建工作区' }).disabled).toBe(true)
-    fireEvent.keyDown(screen.getByLabelText('新工作区名称'), { key: 'Enter' })
-    expect(b.createWorkspace).not.toHaveBeenCalled()
-  })
-
-  it('does not flash a duplicate alert when the successful create frame arrives before its unary response', async () => {
-    let resolve!: (workspace: WorkspaceView) => void
-    const pending = new Promise<WorkspaceView>((settle) => { resolve = settle })
-    const created = workspace('fresh', 'same-name')
-    const b = mount([], vi.fn(() => pending))
-    chooseItem('新建工作区')
-    fireEvent.change(screen.getByLabelText('新工作区名称'), { target: { value: 'same-name' } })
-    fireEvent.click(screen.getByRole('button', { name: '创建工作区' }))
-
-    b.rerenderItems([created])
-    expect(screen.getByRole('status').textContent).toBe('正在创建工作区…')
-    expect(screen.queryByRole('alert')).toBeNull()
-    await act(async () => { resolve(created); await pending })
-    expect(b.onPick).toHaveBeenCalledWith(created.workspaceId)
-  })
-
-  it('exposes creation phase and error text while retaining the modal for retry', async () => {
-    let reject!: (reason: unknown) => void
-    const pending = new Promise<WorkspaceView>((_resolve, rejectPromise) => { reject = rejectPromise })
-    const createWorkspace = vi.fn(() => pending)
-    const b = mount([], createWorkspace)
-    chooseItem('新建工作区')
-    const input = screen.getByLabelText('新工作区名称')
-    fireEvent.keyDown(input, { key: 'ArrowRight' })
-    fireEvent.change(input, { target: { value: 'broken' } })
-    fireEvent.click(screen.getByRole('button', { name: '创建工作区' }))
-    expect(screen.getByRole('status').textContent).toBe('正在创建工作区…')
-    fireEvent.keyDown(input, { key: 'Enter' })
-    expect(createWorkspace).toHaveBeenCalledTimes(1)
-    fireEvent.keyDown(document, { key: 'Escape' })
-    expect(screen.getByRole('dialog')).toBeTruthy()
-    await act(async () => { reject(new Error('disk unavailable')); await pending.catch(() => {}) })
-    expect(screen.getByRole('alert').textContent).toBe('Workspace creation failed: disk unavailable')
-    expect(b.view.getByRole('dialog')).toBeTruthy()
-  })
-
-  it('reports non-Error creation failures', async () => {
-    const b = mount([], vi.fn(async () => { throw 'permission denied' }))
-    chooseItem('新建工作区')
-    // The name field starts empty (no prefill); a name is required to submit.
-    fireEvent.change(screen.getByLabelText('新工作区名称'), { target: { value: 'broken' } })
-    fireEvent.click(screen.getByRole('button', { name: '创建工作区' }))
-    await waitFor(() => {
-      expect(screen.getByRole('alert').textContent).toBe('Workspace creation failed: permission denied')
-    })
-    expect(b.onPick).not.toHaveBeenCalled()
-  })
-
   it('waits to show its menu until an optional anchor is available', () => {
     const { renderSlot } = flowProbe()
     render(
       <WorkspacePicker
-        open useSessions={hook(sessions)} useWorkspaces={hook(workspaceState([]))}
+        open useSessions={hook(sessions)} useWorkspaces={hook(workspaceState([workspace('alpha', 'Alpha')]))}
         onPick={vi.fn()} onClose={vi.fn()} createWorkspace={vi.fn()}
         useDirectoryFlow={occupancySource().useDirectoryFlow} renderSlot={renderSlot} t={t}
       />,
@@ -282,7 +218,7 @@ describe('WorkspacePicker', () => {
     expect(screen.queryByRole('menu')).toBeNull()
   })
 
-  it('shows list loading through a stable status surface', () => {
+  it('keeps the menu up while the list baseline is still in flight', () => {
     const state: WorkspaceListState = {
       ...workspaceState([]), phase: 'pending', state: 'loading', baselinesReady: false,
     }
@@ -294,26 +230,58 @@ describe('WorkspacePicker', () => {
         useDirectoryFlow={occupancySource().useDirectoryFlow} renderSlot={renderSlot} t={t}
       />,
     )
+    // An empty list is not final yet: jumping into the directory flow here
+    // would pre-empt the workspaces about to arrive.
     expect(screen.getByRole('status').textContent).toBe('正在加载工作区…')
+    expect(screen.queryByTestId('directory-flow')).toBeNull()
+    expect(screen.getByRole('menuitem', { name: '添加工作区…' })).toBeTruthy()
   })
 
-  it('hides the folder entry while the directory-flow hole is empty', () => {
-    mount([], vi.fn(), occupancySource(false))
-    expect(screen.getByRole('menuitem', { name: '新建工作区' })).toBeTruthy()
-    expect(screen.queryByRole('menuitem', { name: '打开本地文件夹…' })).toBeNull()
-  })
-
-  it('shows the folder entry when a flow package activates after the first paint', () => {
+  it('shows no popover at all when nothing is listed and nothing can be added', () => {
+    // A composition mounting this package without any directory-picker: the
+    // hero anchor has neither a Workspace to pick nor a way to add one, so it
+    // must not claim a choice with an empty menu.
     const b = mount([], vi.fn(), occupancySource(false))
-    expect(screen.queryByRole('menuitem', { name: '打开本地文件夹…' })).toBeNull()
+    expect(screen.queryByRole('menu')).toBeNull()
+    expect(screen.queryByTestId('directory-flow')).toBeNull()
+    expect(b.createWorkspace).not.toHaveBeenCalled()
+  })
+
+  it('holds the anchor gesture while an adoption is still settling', async () => {
+    // The auto-open path obeys the same busy rule as the disabled menu entry:
+    // an occupant that re-registers mid-adoption must not raise a second flow.
+    let resolve!: (workspace: WorkspaceView) => void
+    const pending = new Promise<WorkspaceView>((settle) => { resolve = settle })
+    const created = workspace('adopted')
+    const b = mount([workspace('alpha', 'Alpha')], vi.fn(() => pending))
+    chooseAdd()
+    act(() => { b.probe.owner!.onPicked('/tmp/project') })
+    expect(b.probe.owner!.busy).toBe(true)
+    // The list empties under the still-settling adoption (the workspace was
+    // deleted elsewhere), which would otherwise make add the only entry.
+    act(() => { b.rerenderItems([]) })
+    expect(b.createWorkspace).toHaveBeenCalledTimes(1)
+    await act(async () => { resolve(created); await pending })
+    expect(b.probe.owner!.busy).toBe(false)
+  })
+
+  it('hides the add entry while the directory-flow hole is empty', () => {
+    mount([workspace('alpha', 'Alpha')], vi.fn(), occupancySource(false))
+    expect(screen.getByRole('menuitem', { name: 'Alpha' })).toBeTruthy()
+    expect(screen.queryByRole('menuitem', { name: '添加工作区…' })).toBeNull()
+  })
+
+  it('shows the add entry when a flow package activates after the first paint', () => {
+    const b = mount([workspace('alpha', 'Alpha')], vi.fn(), occupancySource(false))
+    expect(screen.queryByRole('menuitem', { name: '添加工作区…' })).toBeNull()
     // Registration changes flow through the subscription, no re-render needed.
     act(() => { b.occupancy.flip(true) })
-    expect(screen.getByRole('menuitem', { name: '打开本地文件夹…' })).toBeTruthy()
+    expect(screen.getByRole('menuitem', { name: '添加工作区…' })).toBeTruthy()
   })
 
   it('keeps Choose again inert while the flow occupant is gone, and snaps back a flow opened over an empty hole', async () => {
-    const b = mount([], vi.fn(async () => { throw new Error('adoption failed') }))
-    chooseItem('打开本地文件夹…')
+    const b = mount([workspace('alpha', 'Alpha')], vi.fn(async () => { throw new Error('adoption failed') }))
+    chooseAdd()
     await act(async () => { b.probe.owner!.onPicked('/one/project') })
     await waitFor(() => { expect(screen.getByRole('dialog', { name: '无法打开文件夹' })).toBeTruthy() })
     // The occupant unloads while the error dialog is up: retrying would open
@@ -322,18 +290,18 @@ describe('WorkspacePicker', () => {
     expect(screen.getByRole<HTMLButtonElement>('button', { name: '重新选择' }).disabled).toBe(true)
     // Cancel stays the way out, and the menu actions are usable again.
     fireEvent.click(screen.getByRole('button', { name: '取消' }))
-    expect(screen.getByRole<HTMLButtonElement>('menuitem', { name: '新建工作区' }).disabled).toBe(false)
+    expect(screen.getByRole<HTMLButtonElement>('menuitem', { name: 'Alpha' }).disabled).toBe(false)
   })
 
   it('withdraws an open flow when its occupant unloads, re-enabling the menu actions', () => {
-    const b = mount([])
-    chooseItem('打开本地文件夹…')
+    const b = mount([workspace('alpha', 'Alpha')])
+    chooseAdd()
     expect(screen.getByTestId('directory-flow')).toBeTruthy()
     // The flow plugin unloads mid-interaction (HMR): nobody is left to
     // cancel, so the owner withdraws and the actions come back.
     act(() => { b.occupancy.flip(false) })
     expect(b.probe.owner!.open).toBe(false)
-    expect(screen.getByRole<HTMLButtonElement>('menuitem', { name: '新建工作区' }).disabled).toBe(false)
-    expect(screen.queryByRole('menuitem', { name: '打开本地文件夹…' })).toBeNull()
+    expect(screen.getByRole<HTMLButtonElement>('menuitem', { name: 'Alpha' }).disabled).toBe(false)
+    expect(screen.queryByRole('menuitem', { name: '添加工作区…' })).toBeNull()
   })
 })
diff --git a/packages/compact/README.i18n.yaml b/packages/compact/README.i18n.yaml
index 95109e1c76..92031652b7 100644
--- a/packages/compact/README.i18n.yaml
+++ b/packages/compact/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/compact/README.md
-README.md: 3c3644adce23c12db37241bf797ea614d273a0fb
-README.zh.md: 260a92154ecd33cb127391af5ded399a2bc20038
+README.md: aa9fa6d9419de87a7df23a437f5ea8694d981b28
+README.zh.md: e771eb4bc76358242737d92f92ec36324f55bf2b
diff --git a/packages/compact/README.md b/packages/compact/README.md
index 3c3644adce..aa9fa6d941 100644
--- a/packages/compact/README.md
+++ b/packages/compact/README.md
@@ -2,13 +2,13 @@
 
 English | [中文](README.zh.md)
 
-A compaction capability family (see [capability seams](../../.agents/notes/implemented/architecture/2026-06-13-capability-seams.md)): an abstract interface, a summarizing backend, a model-free tool-result pruning companion, and a deferred model-facing consumer. All **product** packages.
+A compaction capability family (see [capability seams](../../.agents/notes/implemented/architecture/2026-06-13-capability-seams.md)): an abstract interface, a summarizing backend, a model-free tool-result pruning companion, and a human command adapter. All **product** packages.
 
 | Package | Role | ctx key |
 |---|---|---|
 | `compact/` | Abstract compaction seam (interface + `compact/*` events + `CompactionResult`) | `ctx.compact` |
 | `compact-basic/` | A backend: `ctx.tokenMeter` pressure + token-budget retention + `llm.stream()` summarization | (registers `ctx.compact`) |
 | `compact-tool-result-prune/` | Optional model-free head/middle/tail rewriting before summary compaction | `ctx.toolResultPrune` |
-| `tool-compact/` (deferred) | Model-facing `/compact` tool over `ctx.compact` | (registers on `ctx.tools`) |
+| `command-compact/` | Human `/compact` command over the backend-independent `compactNow()` seam | (registers on `ctx.commands`) |
 
-The interface lives at `compact/compact/`, the backend at `compact/compact-basic/`, and deterministic pruning at `compact/compact-tool-result-prune/`. Unlike the bash seam, the interface depends on `dsh-session` and `dsh-llm` because its verbs are defined over a `Session` and its output uses `ContentBlock`. That deviation is recorded in the [compaction capability-seam Agent Note](../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md). Token measurement remains a reusable LLM-family service; a template- or model-backed compactor can replace `compact-basic` without changing the meter, pruner, or callers.
+The interface lives at `compact/compact/`, the backend at `compact/compact-basic/`, deterministic pruning at `compact/compact-tool-result-prune/`, and the command at `compact/command-compact/`. Unlike the bash seam, the interface depends on `dsh-session` and `dsh-llm` because its verbs are defined over a `Session` and its output uses `ContentBlock`. That deviation is recorded in the [compaction capability-seam Agent Note](../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md). Token measurement remains a reusable LLM-family service; a template- or model-backed compactor can replace `compact-basic` without changing the meter, pruner, command, or automatic callers.
diff --git a/packages/compact/README.zh.md b/packages/compact/README.zh.md
index 260a92154e..e771eb4bc7 100644
--- a/packages/compact/README.zh.md
+++ b/packages/compact/README.zh.md
@@ -2,13 +2,13 @@
 
 [English](README.md) | 中文
 
-一个压缩（compaction）能力家族（见[能力 seam](../../.agents/notes/implemented/architecture/2026-06-13-capability-seams.md)）：抽象接口、摘要生成后端、不依赖模型的工具结果剪枝配套组件，以及暂缓实现的面向模型消费方。这些全是**产品**包（package）。
+一个压缩（compaction）能力家族（见[能力 seam](../../.agents/notes/implemented/architecture/2026-06-13-capability-seams.md)）：抽象接口、摘要生成后端、不依赖模型的工具结果剪枝配套组件，以及面向用户的命令适配器。这些全是**产品**包（package）。
 
 | 包 | 职责 | ctx key |
 |---|---|---|
 | `compact/` | 抽象压缩 seam（接口 + `compact/*` 事件 + `CompactionResult`） | `ctx.compact` |
 | `compact-basic/` | 后端：`ctx.tokenMeter` 压力 + 按 token 预算保留内容 + `llm.stream()` 摘要生成 | （注册 `ctx.compact`） |
 | `compact-tool-result-prune/` | 可选的不依赖模型的头／中／尾重写，在摘要压缩之前运行 | `ctx.toolResultPrune` |
-| `tool-compact/`（暂缓） | 面向模型的 `/compact` 工具，基于 `ctx.compact` | （注册到 `ctx.tools`） |
+| `command-compact/` | 面向用户的 `/compact` 命令，基于后端无关的 `compactNow()` seam | （注册到 `ctx.commands`） |
 
-接口位于 `compact/compact/`，后端位于 `compact/compact-basic/`，确定性剪枝位于 `compact/compact-tool-result-prune/`。与 bash seam 不同，该接口依赖 `dsh-session` 和 `dsh-llm`，因为它的操作以 `Session` 为对象，输出则使用 `ContentBlock`。这项偏差记录在[压缩能力 seam Agent Note（agent 决策记录）](../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md) 中。token 测量仍是可复用的 LLM（大语言模型）家族服务；基于模板或模型的压缩器可以替换 `compact-basic`，而无需更改计量器、剪枝器或调用方。
+接口位于 `compact/compact/`，后端位于 `compact/compact-basic/`，确定性剪枝位于 `compact/compact-tool-result-prune/`，命令位于 `compact/command-compact/`。与 bash seam 不同，该接口依赖 `dsh-session` 和 `dsh-llm`，因为它的操作以 `Session` 为对象，输出则使用 `ContentBlock`。这项偏差记录在[压缩能力 seam Agent Note（agent 决策记录）](../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md) 中。token 测量仍是可复用的 LLM（大语言模型）家族服务；基于模板或模型的压缩器可以替换 `compact-basic`，而无需更改计量器、剪枝器、命令或自动调用方。
diff --git a/packages/compact/command-compact/README.i18n.yaml b/packages/compact/command-compact/README.i18n.yaml
new file mode 100644
index 0000000000..eca38d67da
--- /dev/null
+++ b/packages/compact/command-compact/README.i18n.yaml
@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write packages/compact/command-compact/README.md
+README.md: 1445e76f8328a9ac1c5f9dd43094f1c1cd5d2ad4
+README.zh.md: 0fb306afb3713e47fb17d2c914a4f691b63b77eb
diff --git a/packages/compact/command-compact/README.md b/packages/compact/command-compact/README.md
new file mode 100644
index 0000000000..1445e76f83
--- /dev/null
+++ b/packages/compact/command-compact/README.md
@@ -0,0 +1,66 @@
+# @deepseek-ai/dsh-command-compact
+
+English | [中文](README.zh.md)
+
+Human-facing `/compact` control over [`ctx.compact`](../compact/README.md). The plugin registers one global command through [`ctx.commands`](../../ui/commands/README.md), so every composed command adapter discovers it; the shipped TUI executes it without a model turn. The [queued manual compaction Agent Note](../../../.agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.md) owns the admission, lock, and durability decisions.
+
+## Command contract
+
+| Input | Result |
+|---|---|
+| `/compact` | Summarize one useful balanced older span even below automatic pressure, then report the replaced history-item count and estimated tokens after the standalone bracket is flushed. |
+| `/compact` with no compactable history | `No compactable history yet.` — no marker or surface mutation is written. |
+| `/compact <anything>` | `Usage: /compact (no arguments)` — the command takes no arguments and calls no compaction backend. |
+
+The command is backend-independent: it depends only on `compactNow(agent, signal)`. The invoking agent is the exact target, and the dispatching UI's cancellation signal is forwarded through the seam. Every resolved invocation records the executor-owned log-only pair `command/run` / `command/done`; neither event joins model history.
+
+Expected `ManualCompactionError` codes become stable direct errors:
+
+| Code | Direct result |
+|---|---|
+| `busy` | `Compaction is unavailable because this process has an active compaction, or the agent is not idle.` |
+| `changed` | `The history selected for compaction changed before it could be replaced. The conversation is unchanged; the attempt is recorded in the session log.` |
+| `summary` | `Compaction could not produce a useful summary. The conversation is unchanged; the attempt is recorded in the session log.` |
+| `commit` | `Compaction did not finish cleanly; some session history may have changed. Inspect the current session state before retrying.` |
+| `persistence` | `Compaction finished, but the session could not be saved.` |
+
+The busy result is intentionally process-scoped: a live unmatched marker blocks, while a marker older than the newest `session/end-seed` is stale and does not. Unexpected implementation failures reject dispatch. Cancellation remains authoritative; the backend completes its required close/flush cleanup, and the command settles internally as `Compaction cancelled.` while the command executor stops waiting with its cancellation error. Plugin disposal first unregisters `/compact`, then drains every handler that already started, so root teardown cannot pass an aborted command's close or flush boundary.
+
+Prompts submitted while compaction runs remain accepted in the agent's ordinary FIFO with the same identity and wakeup facts. They start only after the compaction's explicit durability checkpoint and admission release. Idle injected context is not held: it may be logged between `compact/start` and `compact/end`, and positional replacement leaves it visible after the checkpoint.
+
+## Composition
+
+The producer injects `commands` and `compact`. Mount the command registry, one backend, and this plugin:
+
+```yaml
+- id: commands
+  name: '@deepseek-ai/dsh-commands'
+- id: compact-basic
+  name: '@deepseek-ai/dsh-compact-basic'
+- id: command-compact
+  name: '@deepseek-ai/dsh-command-compact'
+```
+
+The TUI example and CLI host mount it beside `compact-basic`. Automation surfaces that compose no command registry keep automatic compaction only.
+
+## Model Experience
+
+### Human `/compact` control
+
+#### What the model sees
+
+The slash input and direct result never enter a model request. An accepted compaction separately replaces an older span with the backend's user-role checkpoint inside a standalone `compact/* { turn: null }` bracket.
+
+#### Token effect
+
+The command lifecycle adds no model tokens. A successful compaction reduces later requests by replacing the selected span with one framed summary; summarization itself is one auxiliary request.
+
+#### KV Cache effect
+
+Discovery and command bookkeeping do not affect the cache. The accepted surface replacement invalidates reuse from the first shadowed history token.
+
+## Known Limitations and Deferred Work
+
+- **Idle-only** — `/compact` reports `busy` when a turn or already accepted waking prompt has right of way; the command itself is not queued.
+- **No range or policy arguments** — the argument-free form keeps behavior stable across command adapters. Explicit ranges remain the programmatic `compactRegion()` path.
+- **Command adapters only** — surfaces without `ctx.commands` cannot invoke it and rely on automatic pressure compaction.
diff --git a/packages/compact/command-compact/README.zh.md b/packages/compact/command-compact/README.zh.md
new file mode 100644
index 0000000000..0fb306afb3
--- /dev/null
+++ b/packages/compact/command-compact/README.zh.md
@@ -0,0 +1,66 @@
+# @deepseek-ai/dsh-command-compact
+
+[English](README.md) | 中文
+
+通过 [`ctx.compact`](../compact/README.md) 提供面向用户的 `/compact` 压缩（compaction）控制。该插件通过 [`ctx.commands`](../../ui/commands/README.md) 注册一个全局命令，因此组合中的每个命令适配器都能发现它；随附 TUI 无需模型轮次即可执行该命令。[排队手动压缩 Agent Note（agent 决策记录）](../../../.agents/notes/implemented/feature/2026-07-30-queued-manual-compaction.md)拥有接纳、锁与持久性决策。
+
+## 命令契约
+
+| 输入 | 结果 |
+|---|---|
+| `/compact` | 即使未达到自动压力，也摘要一段有效、平衡的较早范围；独立标记对 flush 后，报告被替换的历史项数量与估算 token 数。 |
+| `/compact`，但没有可压缩历史 | `No compactable history yet.`：不会写入标记，也不会变更 surface。 |
+| `/compact <anything>` | `Usage: /compact (no arguments)`：该命令不接受参数，也不会调用压缩后端。 |
+
+该命令与后端无关，只依赖 `compactNow(agent, signal)`。调用该命令的 agent（智能体）就是操作的确切目标，发起分发的 UI 会通过 seam 转发取消信号。每次完成的调用都会记录执行器所属的纯日志事件对 `command/run` / `command/done`；两者都不进入模型历史。
+
+预期的 `ManualCompactionError` 代码会成为稳定的直接错误：
+
+| 代码 | 直接结果 |
+|---|---|
+| `busy` | `Compaction is unavailable because this process has an active compaction, or the agent is not idle.` |
+| `changed` | `The history selected for compaction changed before it could be replaced. The conversation is unchanged; the attempt is recorded in the session log.` |
+| `summary` | `Compaction could not produce a useful summary. The conversation is unchanged; the attempt is recorded in the session log.` |
+| `commit` | `Compaction did not finish cleanly; some session history may have changed. Inspect the current session state before retrying.` |
+| `persistence` | `Compaction finished, but the session could not be saved.` |
+
+busy 结果有意限定在进程范围内：活动的未匹配标记会阻塞，而早于最新 `session/end-seed` 的标记已陈旧，不会阻塞。意外实现故障会拒绝分发。取消仍具有最终决定权；后端会完成必需的闭合／flush 清理，命令内部以 `Compaction cancelled.` 结算，而命令执行器会因取消错误停止等待。插件处置会先注销 `/compact`，再等待所有已开始的处理器结算，因此根级 teardown 不会越过已中止命令的闭合或 flush 边界。
+
+压缩运行期间提交的提示词仍会按 agent 的普通 FIFO 获得接纳，保留相同的身份与唤醒信息。它们仅在压缩的显式持久性检查点和接纳预留释放后启动。空闲注入的上下文不受阻塞：它可以记录在 `compact/start` 与 `compact/end` 之间，位置替换会使其在检查点之后保持可见。
+
+## 组合
+
+生产方注入 `commands` 和 `compact`。挂载命令注册表、一个后端与本插件：
+
+```yaml
+- id: commands
+  name: '@deepseek-ai/dsh-commands'
+- id: compact-basic
+  name: '@deepseek-ai/dsh-compact-basic'
+- id: command-compact
+  name: '@deepseek-ai/dsh-command-compact'
+```
+
+TUI 示例与 CLI host 将它挂载在 `compact-basic` 旁。未组合命令注册表的自动化接口只保留自动压缩。
+
+## 模型体验
+
+### 用户 `/compact` 控制
+
+#### 模型看到什么
+
+斜杠输入与直接结果绝不会进入模型请求。已获接纳的压缩会另外在独立的 `compact/* { turn: null }` 标记对内，用后端的 user 角色检查点替换一段较早范围。
+
+#### Token 影响
+
+命令生命周期不会增加模型 token。成功压缩会用一份带框架的摘要替换所选范围，从而减少后续请求；摘要生成本身需要一次辅助请求。
+
+#### KV Cache 影响
+
+命令发现与簿记不会影响缓存。已获接纳的 surface 替换会从第一个被遮蔽的历史 token 起使复用失效。
+
+## 已知限制与暂缓事项
+
+- **仅限空闲状态**：当一个轮次或已获接纳的唤醒提示词拥有优先权时，`/compact` 会报告 `busy`；命令本身不会排队。
+- **不接受范围或策略参数**：无参数形式使各命令适配器的行为保持稳定。显式范围仍由编程接口 `compactRegion()` 处理。
+- **仅限命令适配器**：没有 `ctx.commands` 的接口无法调用该命令，只能依赖自动压力压缩。
diff --git a/packages/compact/command-compact/package.json b/packages/compact/command-compact/package.json
new file mode 100644
index 0000000000..3b009b45d7
--- /dev/null
+++ b/packages/compact/command-compact/package.json
@@ -0,0 +1,46 @@
+{
+  "name": "@deepseek-ai/dsh-command-compact",
+  "description": "Human-facing slash command for explicit session compaction",
+  "version": "0.0.1",
+  "private": true,
+  "type": "module",
+  "main": "lib/index.js",
+  "types": "lib/types/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./lib/types/index.d.ts",
+      "default": "./lib/index.js"
+    },
+    "./invariant": {
+      "types": "./lib/types/invariant.d.ts",
+      "default": "./lib/invariant.js"
+    },
+    "./src/*": "./src/*",
+    "./package.json": "./package.json"
+  },
+  "files": [
+    "lib/index.js",
+    "lib/invariant.js",
+    "lib/types/**/*.d.ts",
+    "lib/types/**/*.d.ts.map",
+    "src"
+  ],
+  "license": "BSD-3-Clause",
+  "peerDependencies": {
+    "@deepseek-ai/dsh-commands": "^0.0.1",
+    "@deepseek-ai/dsh-compact": "^0.0.1",
+    "@deepseek-ai/dsh-invariants": "^0.0.1",
+    "cordis": "^4.0.0-rc.7"
+  },
+  "devDependencies": {
+    "@cordisjs/plugin-include": "workspace:^",
+    "@cordisjs/plugin-loader": "workspace:^",
+    "@deepseek-ai/dsh-agent": "workspace:^",
+    "@deepseek-ai/dsh-commands": "workspace:^",
+    "@deepseek-ai/dsh-compact": "workspace:^",
+    "@deepseek-ai/dsh-invariants": "workspace:^",
+    "@deepseek-ai/dsh-llm": "workspace:^",
+    "@deepseek-ai/dsh-session": "workspace:^",
+    "cordis": "^4.0.0-rc.7"
+  }
+}
diff --git a/packages/compact/command-compact/src/index.ts b/packages/compact/command-compact/src/index.ts
new file mode 100644
index 0000000000..991ad5b43a
--- /dev/null
+++ b/packages/compact/command-compact/src/index.ts
@@ -0,0 +1,103 @@
+/**
+ * Human-facing `/compact` command over the backend-independent compaction seam.
+ * @module @deepseek-ai/dsh-command-compact
+ */
+
+import type { Context } from 'cordis'
+import { ManualCompactionError } from '@deepseek-ai/dsh-compact'
+import type { CommandInvocation, CommandResult } from '@deepseek-ai/dsh-commands'
+
+export const name = 'command-compact'
+export const inject = ['commands', 'compact']
+
+const USAGE = 'Usage: /compact (no arguments)'
+
+/** Fail loudly if a locally closed union gains an unhandled member. */
+/* v8 ignore start -- closed-union backstop is unreachable without violating the TypeScript contract */
+function assertNever(value: never): never {
+  throw new TypeError(`unknown manual compaction error code: ${String(value)}`)
+}
+/* v8 ignore stop */
+
+/** Convert expected capability failures into concise human-only outcomes. */
+function expectedFailure(error: ManualCompactionError): CommandResult {
+  switch (error.code) {
+    case 'busy':
+      return {
+        kind: 'error',
+        text: 'Compaction is unavailable because this process has an active compaction, or the agent is not idle.',
+      }
+    case 'changed':
+      return {
+        kind: 'error',
+        text: 'The history selected for compaction changed before it could be replaced. The conversation is unchanged; the attempt is recorded in the session log.',
+      }
+    case 'summary':
+      return {
+        kind: 'error',
+        text: 'Compaction could not produce a useful summary. The conversation is unchanged; the attempt is recorded in the session log.',
+      }
+    case 'commit':
+      return {
+        kind: 'error',
+        text: 'Compaction did not finish cleanly; some session history may have changed. Inspect the current session state before retrying.',
+      }
+    case 'persistence':
+      return {
+        kind: 'error',
+        text: 'Compaction finished, but the session could not be saved.',
+      }
+    /* v8 ignore next 2 -- ManualCompactionErrorCode is closed and every member is handled above */
+    default: return assertNever(error.code)
+  }
+}
+
+/** Execute one argument-free manual compaction request. */
+async function executeCompact(
+  ctx: Context,
+  invocation: CommandInvocation,
+): Promise<CommandResult> {
+  if (invocation.rawInput.trim().length > 0) {
+    return { kind: 'error', text: USAGE }
+  }
+  try {
+    const result = await ctx.compact.compactNow(invocation.agent, invocation.signal)
+    if (result === null) return { kind: 'success', text: 'No compactable history yet.' }
+    return {
+      kind: 'success',
+      text: `Compacted ${result.shadowedSeqs.length} history items (~${result.shadowedTokenCount} tokens).`,
+    }
+  } catch (error: unknown) {
+    if (invocation.signal.aborted) return { kind: 'error', text: 'Compaction cancelled.' }
+    if (error instanceof ManualCompactionError) return expectedFailure(error)
+    throw error
+  }
+}
+
+/**
+ * Register `/compact` for every composed human-command adapter.
+ * @param ctx - context carrying the command registry and the compaction seam.
+ */
+export function apply(ctx: Context): void {
+  const active = new Set<Promise<CommandResult>>()
+  const handler = (invocation: CommandInvocation): Promise<CommandResult> => {
+    const operation = executeCompact(ctx, invocation)
+    active.add(operation)
+    const retire = (): void => { active.delete(operation) }
+    // Both branches retire without rethrowing, so the derived observer promise
+    // cannot become an unhandled mirror of an expected handler rejection.
+    void operation.then(retire, retire)
+    return operation
+  }
+
+  ctx.effect(function* () {
+    // Yield drain before registration: composite teardown is LIFO, so no new
+    // invocation can enter while already-started handler promises quiesce.
+    yield async () => { await Promise.allSettled(active) }
+    yield ctx.commands.register({
+      name: 'compact',
+      description: 'Compact older conversation history',
+      handler,
+    })
+  }, 'command-compact lifecycle')
+}
diff --git a/packages/compact/command-compact/src/invariant.ts b/packages/compact/command-compact/src/invariant.ts
new file mode 100644
index 0000000000..09b3c04d8d
--- /dev/null
+++ b/packages/compact/command-compact/src/invariant.ts
@@ -0,0 +1,30 @@
+/**
+ * Package-owned invariant companion for `@deepseek-ai/dsh-command-compact`.
+ * @module @deepseek-ai/dsh-command-compact/invariant
+ */
+
+/* jscpd:ignore-start */
+import type { Context } from 'cordis'
+import type { InvariantInstaller } from '@deepseek-ai/dsh-invariants'
+
+const PACKAGE_NAME = '@deepseek-ai/dsh-command-compact'
+
+/** Cordis companion plugin name. */
+export const name = 'command-compact-invariant'
+/** Service required before the companion can reserve package ownership. */
+export const inject = ['invariants']
+
+/**
+ * No runtime invariant: this command adapter owns no state or event stream; the compaction seam owns
+ * the balanced durable transaction and the command registry owns registration and dispatch lifecycle.
+ */
+const install: InvariantInstaller = () => {}
+
+/**
+ * Register this package's invariant companion.
+ * @param ctx - Cordis context carrying the invariant service.
+ * @returns the installed registration's disposer after setup succeeds.
+ */
+export const apply = (ctx: Context): Promise<() => void> =>
+  Promise.resolve(ctx.invariants.register(PACKAGE_NAME, install))
+/* jscpd:ignore-end */
diff --git a/packages/compact/command-compact/tests/command-compact.spec.ts b/packages/compact/command-compact/tests/command-compact.spec.ts
new file mode 100644
index 0000000000..b0406beb47
--- /dev/null
+++ b/packages/compact/command-compact/tests/command-compact.spec.ts
@@ -0,0 +1,248 @@
+import { describe, expect, it } from 'vitest'
+import { Context } from 'cordis'
+import Loader from '@cordisjs/plugin-loader'
+import type { Agent } from '@deepseek-ai/dsh-agent'
+import CommandService from '@deepseek-ai/dsh-commands'
+import {
+  CompactService,
+  ManualCompactionError,
+  type CompactAgentContext,
+  type CompactionResult,
+  type CompactionTrigger,
+  type ManualCompactAgentContext,
+} from '@deepseek-ai/dsh-compact'
+import { Session, SessionId } from '@deepseek-ai/dsh-session'
+import * as commandCompact from '@deepseek-ai/dsh-command-compact'
+
+const RESULT: CompactionResult = {
+  startSeq: 10,
+  summarySeq: 11,
+  endSeq: 13,
+  summary: [{ type: 'text', text: 'summary' }],
+  shadowedRange: { start: 1, end: 7 },
+  shadowedSeqs: [1, 3, 7],
+  shadowedTokenCount: 42,
+}
+
+class StubCompactService extends CompactService {
+  result: CompactionResult | null = RESULT
+  failure: unknown
+  operation: (() => Promise<CompactionResult | null>) | undefined
+  calls: { agent: ManualCompactAgentContext; signal: AbortSignal }[] = []
+
+  override compactIfNeeded(
+    _agent: CompactAgentContext,
+    _trigger: CompactionTrigger,
+    _signal: AbortSignal,
+  ): Promise<CompactionResult | null> {
+    return Promise.resolve(null)
+  }
+
+  override compactRegion(): Promise<CompactionResult> {
+    return Promise.resolve(RESULT)
+  }
+
+  override compactNow(
+    agent: ManualCompactAgentContext,
+    signal: AbortSignal,
+  ): Promise<CompactionResult | null> {
+    this.calls.push({ agent, signal })
+    if (this.operation !== undefined) return this.operation()
+    return this.failure === undefined
+      ? Promise.resolve(this.result)
+      // oxlint-disable-next-line typescript/prefer-promise-reject-errors -- exercise arbitrary backend rejection values.
+      : Promise.reject(this.failure)
+  }
+}
+
+interface Harness {
+  readonly ctx: Context
+  readonly compact: StubCompactService
+  readonly agent: Agent
+  readonly plugin: Awaited<ReturnType<Context['plugin']>>
+}
+
+async function harness(): Promise<Harness> {
+  const ctx = new Context()
+  await ctx.plugin(CommandService)
+  const compact = new StubCompactService(ctx)
+  const plugin = await ctx.plugin(commandCompact)
+  const session = new Session(SessionId('command-compact'))
+  const agent = {
+    session,
+    status: 'idle',
+    options: {},
+    reserveTurnAdmission: () => () => undefined,
+  } as unknown as Agent
+  return { ctx, compact, agent, plugin }
+}
+
+async function run(
+  test: Harness,
+  suffix = '',
+  controller = new AbortController(),
+): Promise<NonNullable<Awaited<ReturnType<CommandService['execute']>>>> {
+  const execution = await test.ctx.commands.execute(test.agent, `/compact${suffix}`, controller.signal)
+  if (execution === undefined) throw new Error('compact command was not registered')
+  return execution
+}
+
+/** Assert the executor-owned lifecycle pair and absence from model history. */
+function expectLastLifecycle(
+  test: Harness,
+  args: string,
+  outcome: { readonly kind: 'success' | 'error'; readonly text?: string },
+): string {
+  const lifecycle = test.agent.session.events.slice(-2)
+  const runEvent = lifecycle[0]
+  const doneEvent = lifecycle[1]
+  if (runEvent?.type !== 'command/run' || doneEvent?.type !== 'command/done') {
+    throw new Error(`expected command lifecycle pair, got ${lifecycle.map(event => event.type).join(',')}`)
+  }
+  expect(lifecycle.map(event => ({ type: event.type, data: event.data }))).toEqual([
+    {
+      type: 'command/run',
+      data: {
+        commandId: runEvent.data.commandId,
+        name: 'compact',
+        args,
+        source: { kind: 'user' },
+      },
+    },
+    {
+      type: 'command/done',
+      data: {
+        commandId: runEvent.data.commandId,
+        ...outcome,
+      },
+    },
+  ])
+  expect(doneEvent.data.commandId).toBe(runEvent.data.commandId)
+  expect(test.agent.session.surface.nodes).toEqual([])
+  expect(test.agent.session.deriveMessages()).toEqual([])
+  return runEvent.data.commandId
+}
+
+describe('@deepseek-ai/dsh-command-compact registration', () => {
+  it('registers one argument-free command with Loader-safe exports and disposes it', async () => {
+    const test = await harness()
+    expect(commandCompact.name).toBe('command-compact')
+    expect(commandCompact.inject).toEqual(['commands', 'compact'])
+    expect('default' in commandCompact).toBe(false)
+    const loader = Object.create(Loader.prototype) as Loader
+    expect(loader.unwrapExports(commandCompact)).toBe(commandCompact)
+    expect(test.ctx.commands.list(test.agent)).toContainEqual({
+      name: 'compact',
+      description: 'Compact older conversation history',
+    })
+
+    await test.plugin.dispose()
+    expect(test.ctx.commands.find(test.agent, 'compact')).toBeUndefined()
+  })
+})
+
+describe('/compact human command', () => {
+  it('reports success with useful accounting and forwards the exact target and signal', async () => {
+    const test = await harness()
+    const controller = new AbortController()
+    const execution = await run(test, '', controller)
+    expect(execution.result).toEqual({
+      kind: 'success',
+      text: 'Compacted 3 history items (~42 tokens).',
+    })
+    expect(execution.commandId).toBe(expectLastLifecycle(test, '', execution.result))
+    expect(test.compact.calls).toEqual([{ agent: test.agent, signal: controller.signal }])
+  })
+
+  it('returns direct no-history and argument-rejection results', async () => {
+    const test = await harness()
+    test.compact.result = null
+    const empty = await run(test)
+    expect(empty.result).toEqual({
+      kind: 'success',
+      text: 'No compactable history yet.',
+    })
+    expect(empty.commandId).toBe(expectLastLifecycle(test, '', empty.result))
+
+    const rejected = await run(test, ' now')
+    expect(rejected.result).toEqual({
+      kind: 'error',
+      text: 'Usage: /compact (no arguments)',
+    })
+    expect(rejected.commandId).toBe(expectLastLifecycle(test, ' now', rejected.result))
+    expect(test.compact.calls).toHaveLength(1)
+  })
+
+  it.each([
+    ['busy', 'Compaction is unavailable because this process has an active compaction, or the agent is not idle.'],
+    ['changed', 'The history selected for compaction changed before it could be replaced. The conversation is unchanged; the attempt is recorded in the session log.'],
+    ['summary', 'Compaction could not produce a useful summary. The conversation is unchanged; the attempt is recorded in the session log.'],
+    ['commit', 'Compaction did not finish cleanly; some session history may have changed. Inspect the current session state before retrying.'],
+    ['persistence', 'Compaction finished, but the session could not be saved.'],
+  ] as const)('maps expected %s failures to direct errors', async (code, text) => {
+    const test = await harness()
+    test.compact.failure = new ManualCompactionError(code, 'backend detail')
+    const execution = await run(test)
+    expect(execution.result).toEqual({ kind: 'error', text })
+    expect(execution.commandId).toBe(expectLastLifecycle(test, '', execution.result))
+  })
+
+  it('preserves cancellation and unexpected implementation failures', async () => {
+    const cancelled = await harness()
+    const controller = new AbortController()
+    const abort = new Error('operator cancelled')
+    cancelled.compact.operation = () => {
+      controller.abort(abort)
+      return Promise.reject(new ManualCompactionError('summary', 'late failure'))
+    }
+    await expect(run(cancelled, '', controller)).rejects.toBe(abort)
+    expectLastLifecycle(cancelled, '', { kind: 'error', text: abort.message })
+
+    const unexpected = await harness()
+    const bug = new Error('unexpected backend bug')
+    unexpected.compact.failure = bug
+    await expect(run(unexpected)).rejects.toBe(bug)
+    expectLastLifecycle(unexpected, '', { kind: 'error', text: bug.message })
+  })
+
+  it('drains an aborted handler through close and flush before plugin disposal settles', async () => {
+    const test = await harness()
+    const controller = new AbortController()
+    const abort = new Error('operator cancelled')
+    const started = Promise.withResolvers<undefined>()
+    const allowClose = Promise.withResolvers<undefined>()
+    const closed = Promise.withResolvers<undefined>()
+    const allowFlush = Promise.withResolvers<undefined>()
+    const flushed = Promise.withResolvers<undefined>()
+    test.compact.operation = async () => {
+      started.resolve(undefined)
+      await allowClose.promise
+      closed.resolve(undefined)
+      await allowFlush.promise
+      flushed.resolve(undefined)
+      throw abort
+    }
+
+    const execution = run(test, '', controller)
+    await started.promise
+    controller.abort(abort)
+    await expect(execution).rejects.toBe(abort)
+
+    let disposed = false
+    const disposal = test.plugin.dispose()
+    void disposal.then(() => { disposed = true })
+    await new Promise(resolve => setTimeout(resolve, 0))
+    expect(test.ctx.commands.find(test.agent, 'compact')).toBeUndefined()
+    expect(disposed).toBe(false)
+
+    allowClose.resolve(undefined)
+    await closed.promise
+    await new Promise(resolve => setTimeout(resolve, 0))
+    expect(disposed).toBe(false)
+
+    allowFlush.resolve(undefined)
+    await flushed.promise
+    await disposal
+    expect(disposed).toBe(true)
+  })
+})
diff --git a/packages/compact/command-compact/tests/invariant.spec.ts b/packages/compact/command-compact/tests/invariant.spec.ts
new file mode 100644
index 0000000000..c5aa4dc3dc
--- /dev/null
+++ b/packages/compact/command-compact/tests/invariant.spec.ts
@@ -0,0 +1,18 @@
+import { describe, expect, it, vi } from 'vitest'
+import * as invariant from '@deepseek-ai/dsh-command-compact/invariant'
+
+describe('command-compact invariant companion', () => {
+  it('registers the package-owned no-op installer', async () => {
+    const register = vi.fn().mockReturnValue(() => {})
+    const ctx = { invariants: { register } } as never
+    const dispose = await invariant.apply(ctx)
+    expect(invariant.name).toBe('command-compact-invariant')
+    expect(invariant.inject).toEqual(['invariants'])
+    expect(register).toHaveBeenCalledWith('@deepseek-ai/dsh-command-compact', expect.any(Function))
+    expect(() => {
+      const install = register.mock.calls[0]![1] as () => void
+      install()
+    }).not.toThrow()
+    expect(dispose).toBeTypeOf('function')
+  })
+})
diff --git a/packages/compact/command-compact/tests/loader-composition.spec.ts b/packages/compact/command-compact/tests/loader-composition.spec.ts
new file mode 100644
index 0000000000..1ebfac01db
--- /dev/null
+++ b/packages/compact/command-compact/tests/loader-composition.spec.ts
@@ -0,0 +1,134 @@
+import { mkdtemp, rm, writeFile } from 'node:fs/promises'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
+import { pathToFileURL } from 'node:url'
+import { afterEach, describe, expect, it } from 'vitest'
+import { Context } from 'cordis'
+import Loader from '@cordisjs/plugin-loader'
+import Include from '@cordisjs/plugin-include'
+import type { Agent } from '@deepseek-ai/dsh-agent'
+import CommandService from '@deepseek-ai/dsh-commands'
+import {
+  CompactService,
+  type CompactAgentContext,
+  type CompactionResult,
+  type CompactionTrigger,
+  type ManualCompactAgentContext,
+} from '@deepseek-ai/dsh-compact'
+import * as commandCompact from '@deepseek-ai/dsh-command-compact'
+import { Session, SessionId } from '@deepseek-ai/dsh-session'
+
+const RESULT: CompactionResult = {
+  startSeq: 1,
+  summarySeq: 2,
+  endSeq: 4,
+  summary: [{ type: 'text', text: 'loader summary' }],
+  shadowedRange: { start: 3, end: 8 },
+  shadowedSeqs: [3, 5, 8],
+  shadowedTokenCount: 99,
+}
+
+class LoaderCompactService extends CompactService {
+  override compactIfNeeded(
+    _agent: CompactAgentContext,
+    _trigger: CompactionTrigger,
+    _signal: AbortSignal,
+  ): Promise<CompactionResult | null> {
+    return Promise.resolve(null)
+  }
+
+  override compactRegion(): Promise<CompactionResult> {
+    return Promise.resolve(RESULT)
+  }
+
+  override compactNow(
+    _agent: ManualCompactAgentContext,
+    _signal: AbortSignal,
+  ): Promise<CompactionResult | null> {
+    return Promise.resolve(RESULT)
+  }
+}
+
+let root: string | undefined
+let context: Context | undefined
+
+afterEach(async () => {
+  await context?.fiber.dispose()
+  context = undefined
+  if (root !== undefined) await rm(root, { recursive: true, force: true })
+  root = undefined
+})
+
+describe('command-compact real Loader composition', () => {
+  it('discovers and executes /compact through the assembled command plane', async () => {
+    root = await mkdtemp(join(tmpdir(), 'dsh-command-compact-loader-'))
+    const configPath = join(root, 'cordis.yml')
+    await writeFile(configPath, [
+      "- name: '@deepseek-ai/dsh-commands'",
+      "- name: '@test/compact-backend'",
+      "- name: '@deepseek-ai/dsh-command-compact'",
+      '',
+    ].join('\n'))
+
+    context = new Context()
+    context.baseUrl = pathToFileURL(root).href + '/'
+    await context.plugin(Loader)
+    context.loader.builtins.include = Include
+    const modules = new Map<string, unknown>([
+      ['@deepseek-ai/dsh-commands', CommandService],
+      ['@test/compact-backend', LoaderCompactService],
+      ['@deepseek-ai/dsh-command-compact', commandCompact],
+    ])
+    context.loader.internal = {
+      version: 'v2',
+      async import(specifier: string) {
+        if (!modules.has(specifier)) throw new Error(`unexpected Loader import: ${specifier}`)
+        return modules.get(specifier)
+      },
+    } as unknown as NonNullable<typeof context.loader.internal>
+    await context.loader.create({
+      name: 'cordis:include',
+      config: { path: pathToFileURL(configPath).href },
+    })
+    await context.loader.await()
+
+    const session = new Session(SessionId('loader-command-compact'))
+    const agent = {
+      session,
+      status: 'idle',
+      options: {},
+      reserveTurnAdmission: () => () => undefined,
+    } as unknown as Agent
+    expect(context.commands.list(agent)).toContainEqual({
+      name: 'compact',
+      description: 'Compact older conversation history',
+    })
+    const execution = await context.commands.execute(agent, '/compact', new AbortController().signal)
+    if (execution === undefined) throw new Error('Loader composition did not resolve /compact')
+    expect(execution.result).toEqual({
+      kind: 'success',
+      text: 'Compacted 3 history items (~99 tokens).',
+    })
+    expect(session.events.map(event => ({ type: event.type, data: event.data }))).toEqual([
+      {
+        type: 'command/run',
+        data: {
+          commandId: execution.commandId,
+          name: 'compact',
+          args: '',
+          source: { kind: 'user' },
+        },
+      },
+      {
+        type: 'command/done',
+        data: {
+          commandId: execution.commandId,
+          kind: 'success',
+          text: 'Compacted 3 history items (~99 tokens).',
+        },
+      },
+    ])
+    expect(session.surface.nodes).toEqual([])
+    expect(session.deriveMessages()).toEqual([])
+  })
+})
diff --git a/packages/compact/command-compact/tsconfig.json b/packages/compact/command-compact/tsconfig.json
new file mode 100644
index 0000000000..f99f2b98b4
--- /dev/null
+++ b/packages/compact/command-compact/tsconfig.json
@@ -0,0 +1,27 @@
+{
+  "extends": "../../../tsconfig.base.json",
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "lib/types"
+  },
+  "include": [
+    "src"
+  ],
+  "references": [
+    {
+      "path": "../../../vendor/cosmokit"
+    },
+    {
+      "path": "../../../vendor/cordis"
+    },
+    {
+      "path": "../../ui/commands"
+    },
+    {
+      "path": "../compact"
+    },
+    {
+      "path": "../../support/invariants"
+    }
+  ]
+}
diff --git a/packages/compact/compact-basic/README.i18n.yaml b/packages/compact/compact-basic/README.i18n.yaml
index e7104a1c21..f3e746badf 100644
--- a/packages/compact/compact-basic/README.i18n.yaml
+++ b/packages/compact/compact-basic/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/compact/compact-basic/README.md
-README.md: eed9412e335a0b703f3d1d5cb7112de10a19e9a0
-README.zh.md: 763736760e4e7a6acd34a0a085e0e3b685f0a8c9
+README.md: 0e49f94ed65e0cec1f06587a647acfa134a7f70d
+README.zh.md: 52261c04a552b9fdfad438a0c7bf87e3dd9416bf
diff --git a/packages/compact/compact-basic/README.md b/packages/compact/compact-basic/README.md
index eed9412e33..0e49f94ed6 100644
--- a/packages/compact/compact-basic/README.md
+++ b/packages/compact/compact-basic/README.md
@@ -17,11 +17,11 @@ This backend owns the compaction policy:
 - **Convergence** — retry head-checkpoint compaction up to `compactionRetries`; reject a summary that does not shrink its source, and throw if retries cannot return below threshold.
 - **Summarization** — a direct `llm/stream` call uses the configured provider/model pair and cap, falling back to the latest logged request target and then the agent target, without running the loop-only `agent/request` seam. The call replays the conversation's own system prompt, tools, and shadowed-region messages verbatim and appends the compaction instruction as the final user message, so it reuses the provider's warm prefix cache instead of invalidating it. It sets `GenerateOptions.purpose` to `compaction`, which adapters may forward as request attribution (the DeepSeek adapter sends `x-deepseek-harness-compact: 1`) without touching the model-visible body. Only returned text enters the checkpoint, excluding reasoning and tool calls that would leak private reasoning or create an orphaned call.
 - **Framing** — the replacement user message marks established checkpoint context with `<compacted-summary>` tags. The raw summary remains on the provenance event, and later automatic cycles merge the prior checkpoint.
-- **Lifecycle** — `compactRegion()` mutates `agent.session` and records its start, summary, replacement, and end. After asynchronous summarization it rejects a changed surface-node snapshot, while unrelated log-only events may append without invalidating the selected span. The serial `agent/pre-step` listener checks pressure before request derivation. A canonical provider overflow is offered through `agent/request-error` after the failed step; the plugin compacts there and returns a retry action only after durable surface progress.
+- **Lifecycle** — all entry points share one bracket-first region transaction. It validates the range and live lock, appends `compact/start` synchronously, prepares and awaits the summary, revalidates, appends provenance plus the replacement, and makes exactly one closing attempt. Automatic and explicit-region calls require a numeric open-turn owner and whole-surface stability; the serial `agent/pre-step` listener checks pressure before request derivation, while canonical provider overflow enters through `agent/request-error` and authorizes retry only after durable surface progress. `compactNow()` reserves idle admission, uses `turn: null`, accepts append-only context outside its selected span, flushes every closed attempt, and releases admission in `finally`.
 - **Overflow recovery** — provider-confirmed overflow needs no capacity metadata: it bypasses normal pressure and retention, prunes, then attempts one maximal balanced head reduction while leaving the newest indivisible unit. Retry is authorized whenever `surface.replaceGeneration` advances, including when pruning lands before later summary work throws. No replacement, an exhausted target-specific cap, cancellation, or an unknown/noncanonical error preserves the original provider failure.
-- **Failure handling** — an unmatched `compact/start` is an inert crash marker because no summary replacement landed. A region failure records an error end; the surface remains unchanged unless pruning already landed. Operational pressure failures warn and continue, while overflow-recovery failure preserves the original provider error only when no earlier replacement advanced the surface. Cancellation remains authoritative after any progress.
+- **Failure handling** — a live unmatched `compact/start` is the durable lock. An unmatched marker before a newer `session/end-seed` is stale evidence from a prior lifecycle and does not block; one after that boundary reports `busy`. Summary and changed-span failures close with an error and leave the conversation surface untouched, though the attempt remains in the log. A failed close deliberately leaves a blocking orphan. Operational pressure failures warn and continue, while overflow-recovery failure preserves the original provider error only when no earlier replacement advanced the surface. Cancellation remains authoritative after cleanup and durability.
 
-The protected `summarize()` method is the sole subclass hook. A template- or remote-summarizer subclass can override it while pressure, retention, provenance, shrink validation, and shadowed-token accounting stay on `ctx.tokenMeter`. The hook returns the summary blocks together with the call envelope it used (`{ summary, provider, model, maxTokens? }`), which is logged on `compact/summary`.
+The protected `summarize()` method is the sole subclass hook. A template- or remote-summarizer subclass can override it while pressure, retention, provenance, shrink validation, and shadowed-token accounting stay on `ctx.tokenMeter`. The hook returns the safe summary plus the complete provider output, call envelope, and usage when available (`{ summary, rawOutput?, provider, model, maxTokens?, usage? }`); the transaction preserves those fields on `compact/summary`.
 
 ## Config (`BasicCompactConfig`)
 
@@ -46,21 +46,25 @@ An adapter may return no capacity for a valid dynamic route, and resolved capaci
 
 ## Usage
 
+`BasicCompactService` requires `ctx.llm`, `ctx.tokenMeter`, and `ctx.sessions`. The composition below receives `ctx.llm` from its host and installs the other two services:
+
 ```ts
 import type { Context } from 'cordis'
 import { BasicCompactService } from '@deepseek-ai/dsh-compact-basic'
+import SessionStore from '@deepseek-ai/dsh-session'
 import TokenMeterService from '@deepseek-ai/dsh-token-meter'
 
 export const name = 'compact-basic'
-export const inject = ['llm', 'tokenMeter']
+export const inject = ['llm']
 
 export function apply(ctx: Context): void {
+  ctx.plugin(SessionStore)
   ctx.plugin(TokenMeterService)
   ctx.plugin(BasicCompactService)
 }
 ```
 
-Loading the plugin registers `ctx.compact`. Add [`dsh-compact-tool-result-prune`](../compact-tool-result-prune/README.md) as a sibling before this plugin to enable the optional model-free pass. With `auto: true` (the default) it compacts automatically under token pressure; a consumer (a future `/compact` tool) can also call `ctx.compact.compactIfNeeded(...)` or `ctx.compact.compactRegion(...)` directly.
+Loading the plugin registers `ctx.compact`. Add [`dsh-compact-tool-result-prune`](../compact-tool-result-prune/README.md) as a sibling before this plugin to enable the optional model-free pass. With `auto: true` (the default) it compacts automatically under token pressure. The sibling [`dsh-command-compact`](../command-compact/README.md) calls `ctx.compact.compactNow(...)`; programmatic callers may also use any seam operation directly.
 
 For example, the same compact plugin can safely serve models with different capacities and one target-specific policy:
 
@@ -136,7 +140,7 @@ Output EXACTLY the Markdown structure below: keep every section, in order. Use t
 - [decisions and their rationale, constraints, user preferences, open questions, data needed to continue]
 
 Rules:
-- Preserve exact file paths, commands, error strings, identifiers, and function signatures.
+- Write concise English engineering prose. Preserve exact file paths, commands, error strings, identifiers, numeric values, function signatures, and syntax fragments.
 - Capture user feedback and explicit instructions faithfully, especially corrections.
 - Do NOT mention this summarization request or that the context was compacted.
 - Output only the checkpoint text: do not call any tool or take any other action.
diff --git a/packages/compact/compact-basic/README.zh.md b/packages/compact/compact-basic/README.zh.md
index 763736760e..52261c04a5 100644
--- a/packages/compact/compact-basic/README.zh.md
+++ b/packages/compact/compact-basic/README.zh.md
@@ -17,11 +17,11 @@
 - **收敛**：最多按 `compactionRetries` 重试头部检查点压缩；拒绝不能缩小源内容的摘要，如果重试仍无法回到阈值以下，则抛出异常。
 - **摘要**：直接 `llm/stream` 调用使用已配置的提供方／模型对与上限，回退到最新已记录请求目标，然后再回退到 agent 目标，而不运行仅用于 agent loop 的 `agent/request` seam。该调用会逐字回放会话自身的系统提示词、工具与已遮蔽区域消息，并将压缩指令作为最后一条 user 消息追加，从而复用提供方的热前缀 cache，而非使它失效。它将 `GenerateOptions.purpose` 设为 `compaction`，适配器可将其作为请求归因转发（DeepSeek 适配器发送 `x-deepseek-harness-compact: 1`），但不会触碰模型可见的请求体。只有返回的文本会进入检查点；推理（reasoning）和工具调用都会被排除，以免泄露私有推理或产生遗留调用。
 - **框定**：替换 user 消息使用 `<compacted-summary>` 标签标记已建立的检查点上下文。原始摘要保留在溯源事件上，后续自动周期会合并之前的检查点。
-- **生命周期**：`compactRegion()` 会更改 `agent.session`，并记录开始、摘要、替换与结束。异步摘要后，如果表层节点快照已改变，它会拒绝操作，而不相关的仅日志事件可以追加，不会使已选 span 失效。串行 `agent/pre-step` listener 会在派生请求之前检查压力。规范提供方溢出会在失败步骤之后经由 `agent/request-error` 交给本插件；插件在此执行压缩，并且只在表层取得持久进展后才返回重试动作。
+- **生命周期**：所有入口点共享一个先记录标记的区域事务。它会验证范围与活动锁，同步追加 `compact/start`，准备并等待摘要，重新验证，再追加溯源信息和替换，最后恰好进行一次闭合尝试。自动调用和显式范围调用要求数字标识的开放轮次归属，并要求整个表层保持稳定；串行 `agent/pre-step` listener 会在派生请求之前检查压力，而规范提供方溢出则经由 `agent/request-error` 进入，并且只在表层取得持久进展后才允许重试。`compactNow()` 会预留空闲接纳，使用 `turn: null`，允许所选 span 之外追加仅追加上下文，flush 每次已闭合尝试，并在 `finally` 中释放接纳预留。
 - **溢出恢复**：提供方已确认的溢出不需容量元数据。它会绕过常规压力与保留，执行剪枝，再尝试一次最大平衡头部缩减，并留下最新不可分单元。只要 `surface.replaceGeneration` 前进，就允许重试，包括剪枝在后续摘要工作抛出异常前已落地的情况。如果没有替换、目标特定上限已耗尽、已取消，或遇到未知／非规范错误，则保留原始提供方失败。
-- **失败处理**：未配对的 `compact/start` 是不起作用的崩溃标记，因为没有摘要替换落地。区域失败会记录错误结束；除非剪枝已落地，否则表层保持不变。压力检查中的运行故障会发出警告并继续；只有此前没有替换推进表层时，溢出恢复失败才保留原始提供方错误。即使已经取得进展，取消仍具有最终决定权。
+- **失败处理**：活动的未匹配 `compact/start` 是持久锁。位于较新 `session/end-seed` 之前的未匹配标记，是先前生命周期留下的陈旧证据，不会阻塞；位于该边界之后的标记报告 `busy`。摘要和 span 变更失败会以错误闭合，并保持会话表层不变，但日志中仍保留该尝试。闭合失败会有意留下阻塞性的未匹配标记。压力检查中的运行故障会发出警告并继续；只有此前没有替换推进表层时，溢出恢复失败才保留原始提供方错误。完成清理与持久化后，取消仍具有最终决定权。
 
-受保护的 `summarize()` 方法是唯一的子类钩子。基于模板或远程摘要器的子类可以覆盖该方法，同时压力、保留、溯源、缩减验证与已遮蔽 token 计量仍由 `ctx.tokenMeter` 负责。钩子会将摘要块与它使用的调用 envelope 一并返回（`{ summary, provider, model, maxTokens? }`），并记录在 `compact/summary` 上。
+受保护的 `summarize()` 方法是唯一的子类钩子。基于模板或远程摘要器的子类可以覆盖该方法，同时压力、保留、溯源、缩减验证与已遮蔽 token 计量仍由 `ctx.tokenMeter` 负责。钩子返回安全摘要，以及完整提供方输出、调用 envelope 和可用时的 usage（`{ summary, rawOutput?, provider, model, maxTokens?, usage? }`）；事务会在 `compact/summary` 上保留这些字段。
 
 ## 配置（`BasicCompactConfig`）
 
@@ -46,21 +46,25 @@
 
 ## 用法
 
+`BasicCompactService` 需要 `ctx.llm`、`ctx.tokenMeter` 和 `ctx.sessions`。以下组合从其宿主接收 `ctx.llm`，并安装另外两项服务：
+
 ```ts
 import type { Context } from 'cordis'
 import { BasicCompactService } from '@deepseek-ai/dsh-compact-basic'
+import SessionStore from '@deepseek-ai/dsh-session'
 import TokenMeterService from '@deepseek-ai/dsh-token-meter'
 
 export const name = 'compact-basic'
-export const inject = ['llm', 'tokenMeter']
+export const inject = ['llm']
 
 export function apply(ctx: Context): void {
+  ctx.plugin(SessionStore)
   ctx.plugin(TokenMeterService)
   ctx.plugin(BasicCompactService)
 }
 ```
 
-加载插件会注册 `ctx.compact`。在该插件之前添加同级 [`dsh-compact-tool-result-prune`](../compact-tool-result-prune/README.md) 以启用可选的不依赖模型的处理阶段。当 `auto: true`（默认）时，它会在 token 压力下自动压缩；消费方（未来的 `/compact` 工具）也可直接调用 `ctx.compact.compactIfNeeded(...)` 或 `ctx.compact.compactRegion(...)`。
+加载插件会注册 `ctx.compact`。在该插件之前添加同级 [`dsh-compact-tool-result-prune`](../compact-tool-result-prune/README.md) 以启用可选的不依赖模型的处理阶段。当 `auto: true`（默认）时，它会在 token 压力下自动压缩。同级 [`dsh-command-compact`](../command-compact/README.md) 调用 `ctx.compact.compactNow(...)`；编程调用方也可以直接使用任一 seam 操作。
 
 例如，同一个压缩插件可以安全服务于容量不同的模型，并应用一项目标特定策略：
 
@@ -136,7 +140,7 @@ Output EXACTLY the Markdown structure below: keep every section, in order. Use t
 - [decisions and their rationale, constraints, user preferences, open questions, data needed to continue]
 
 Rules:
-- Preserve exact file paths, commands, error strings, identifiers, and function signatures.
+- Write concise English engineering prose. Preserve exact file paths, commands, error strings, identifiers, numeric values, function signatures, and syntax fragments.
 - Capture user feedback and explicit instructions faithfully, especially corrections.
 - Do NOT mention this summarization request or that the context was compacted.
 - Output only the checkpoint text: do not call any tool or take any other action.
diff --git a/packages/compact/compact-basic/src/index.ts b/packages/compact/compact-basic/src/index.ts
index 846ae2e0d1..121f4459a2 100644
--- a/packages/compact/compact-basic/src/index.ts
+++ b/packages/compact/compact-basic/src/index.ts
@@ -6,8 +6,9 @@
 
 import { Context } from 'cordis'
 import z from 'schemastery'
-import { CompactService } from '@deepseek-ai/dsh-compact'
+import { CompactService, ManualCompactionError } from '@deepseek-ai/dsh-compact'
 import type { CompactionResult, CompactionTrigger } from '@deepseek-ai/dsh-compact'
+import type { TokenMeterService } from '@deepseek-ai/dsh-token-meter'
 import type { Session } from '@deepseek-ai/dsh-session'
 import { CONTEXT_WINDOW_EXCEEDED_CODE, assertNever } from '@deepseek-ai/dsh-llm'
 import type { ContentBlock, LlmCallConfig } from '@deepseek-ai/dsh-llm'
@@ -20,9 +21,13 @@ import {
   resolveTargetPolicy,
   TargetPressureConfigError,
 } from './config.ts'
-import { compactSurfaceRegion, selectCompactableRange } from './region.ts'
+import {
+  assertNoActiveCompaction,
+  compactSurfaceRegion,
+  selectCompactableRange,
+} from './region.ts'
 import { summarizeWithLlm } from './summarizer.ts'
-import type { SummarizationInput } from './summarizer.ts'
+import type { SummarizationInput, SummaryResult } from './summarizer.ts'
 import type {
   BasicCompactConfig,
   ModelCompactPolicyConfig,
@@ -39,6 +44,9 @@ export type {
   ResolvedTargetPolicy,
 } from './types.ts'
 
+/** The region transaction's view of this service's dynamically dispatched summarizer. */
+type RegionSummarize = (input: SummarizationInput, agent: Agent, signal?: AbortSignal) => Promise<SummaryResult>
+
 /** Resolve the exact provider/model durably routed for the latest request. */
 function routedTarget(
   session: Session,
@@ -92,7 +100,7 @@ const modelPolicy: z<ModelCompactPolicyConfig> = z.object({
  * token meter.
  */
 export class BasicCompactService extends CompactService {
-  static inject = ['llm', 'tokenMeter']
+  static inject = ['llm', 'tokenMeter', 'sessions']
 
   static Config: z<BasicCompactConfig> = z.object({
     thresholdRatio: thresholdRatioSchema,
@@ -233,7 +241,7 @@ export class BasicCompactService extends CompactService {
     input: SummarizationInput,
     agent: Agent,
     signal?: AbortSignal,
-  ): Promise<{ summary: ContentBlock[]; provider: string; model: string; maxTokens?: number }> {
+  ): Promise<SummaryResult> {
     const target = conversationTarget(agent)
     const config = target === undefined
       ? this.config
@@ -287,6 +295,7 @@ export class BasicCompactService extends CompactService {
     }
 
     const context = (await this.ctx.llm.resolveModelInfo(target.provider, target.model, signal)).context
+    assertNoActiveCompaction(agent.session, 'automatic pressure compaction')
     const targetKey = `${target.provider}/${target.model}`
     if (context === undefined) {
       throw new TargetPressureConfigError(
@@ -341,11 +350,67 @@ export class BasicCompactService extends CompactService {
     agent: Agent,
     signal?: AbortSignal,
   ): Promise<CompactionResult> {
-    const session = agent.session
-    return compactSurfaceRegion({
+    return compactSurfaceRegion(
+      this.regionDependencies(),
+      agent.session,
+      start,
+      end,
+      agent,
+      { owner: 'current-turn', stability: 'whole-surface' },
+      signal,
+    )
+  }
+
+  /**
+   * Force one useful idle-session compaction below the pressure threshold, and
+   * resolve only after its standalone marker pair is durably checkpointed.
+   * @param agent - idle agent whose next-turn admission this call reserves.
+   * @param signal - command-owned cancellation forwarded to summarization.
+   * @returns the committed result, or `null` when no safe useful range exists.
+   */
+  override async compactNow(
+    agent: Agent,
+    signal: AbortSignal,
+  ): Promise<CompactionResult | null> {
+    signal.throwIfAborted()
+    const releaseTurnAdmission = agent.reserveTurnAdmission()
+    if (releaseTurnAdmission === undefined) {
+      throw new ManualCompactionError(
+        'busy',
+        'manual compaction requires an idle agent with no waking queued work',
+      )
+    }
+    try {
+      const range = selectCompactableRange(
+        agent.session,
+        this.ctx.tokenMeter.measure(agent.session),
+        0,
+      )
+      if (range === null) return null
+      return await compactSurfaceRegion(
+        this.regionDependencies(),
+        agent.session,
+        range.start,
+        range.end,
+        agent,
+        {
+          owner: null,
+          stability: 'selected-span',
+          flush: () => this.ctx.sessions.flush(agent.session),
+        },
+        signal,
+      )
+    } finally {
+      releaseTurnAdmission()
+    }
+  }
+
+  /** Bind the effective token meter and dynamically dispatched summarizer hook. */
+  private regionDependencies(): { meter: TokenMeterService; summarize: RegionSummarize } {
+    return {
       meter: this.ctx.tokenMeter,
       summarize: (input, owner, abort) => this.summarize(input, owner, abort),
-    }, session, start, end, agent, signal)
+    }
   }
 }
 
diff --git a/packages/compact/compact-basic/src/region.ts b/packages/compact/compact-basic/src/region.ts
index c236eea843..2132081557 100644
--- a/packages/compact/compact-basic/src/region.ts
+++ b/packages/compact/compact-basic/src/region.ts
@@ -1,5 +1,6 @@
 /**
- * Surface retention selection and the log-recorded compaction transaction.
+ * Surface retention selection and the shared log-recorded compaction
+ * transaction for automatic open-turn and manual idle-session compaction.
  *
  * @module @deepseek-ai/dsh-compact-basic/region
  */
@@ -7,12 +8,13 @@
 import { isDeepStrictEqual } from 'node:util'
 import {
   COMPACT_CHECKPOINT_SOURCE,
+  ManualCompactionError,
   toolPairingBalancedAfter,
   toolPairingBalancedBefore,
 } from '@deepseek-ai/dsh-compact'
 import type { CompactionResult } from '@deepseek-ai/dsh-compact'
-import { createUserMessage } from '@deepseek-ai/dsh-llm'
-import type { Message } from '@deepseek-ai/dsh-llm'
+import { createUserMessage, errorChain } from '@deepseek-ai/dsh-llm'
+import type { Message, UserMessage } from '@deepseek-ai/dsh-llm'
 import type { TokenMeasurement, TokenMeterService } from '@deepseek-ai/dsh-token-meter'
 import type { Session, SessionEvent } from '@deepseek-ai/dsh-session'
 import type { Agent } from '@deepseek-ai/dsh-agent'
@@ -24,6 +26,62 @@ interface RegionDependencies {
   summarize(input: SummarizationInput, agent: Agent, signal?: AbortSignal): Promise<SummaryResult>
 }
 
+/** One validated inclusive span of current surface positions. */
+interface SurfaceSelection {
+  readonly start: number
+  readonly end: number
+  readonly startIdx: number
+  readonly endIdx: number
+  readonly shadowedSeqs: readonly number[]
+}
+
+/** A selection with its priced snapshot and the replay input built from it. */
+interface PreparedCompaction extends SurfaceSelection {
+  readonly measurement: TokenMeasurement
+  readonly selectedNodes: TokenMeasurement['nodes']
+  readonly shadowedTokenCount: number
+  readonly input: SummarizationInput
+}
+
+interface SummarizedCompaction extends PreparedCompaction, SummaryResult {
+  readonly checkpointMessage: UserMessage
+}
+
+interface CompactionTransactionOptions {
+  /** `current-turn` derives a numbered owner; `null` writes a standalone bracket. */
+  readonly owner: 'current-turn' | null
+  /** Surface relationship that must survive asynchronous summarization. */
+  readonly stability: 'whole-surface' | 'selected-span'
+  /** Optional durability checkpoint after a successfully closed bracket. */
+  readonly flush?: () => Promise<void>
+}
+
+interface CompactionEntryState {
+  readonly openTurn: number | null
+  readonly unmatchedCompactionStart: SessionEvent<'compact/start'> | undefined
+  readonly latestEndSeedSeq: number | undefined
+}
+
+/**
+ * Rejects a summary whose replacement boundaries are no longer the ones it was
+ * built from, distinguished from summarizer and shrink failures so a manual
+ * caller can report the two causes differently.
+ */
+class SurfaceChangedError extends Error {}
+
+/** Whether the summary may still replace the span it was built from. */
+type StabilityCheck = (
+  dependencies: RegionDependencies,
+  session: Session,
+  prepared: PreparedCompaction,
+) => void
+
+/** Failure captured after `compact/start` has committed. */
+interface TransactionFailure {
+  readonly error: unknown
+  readonly stage: 'summary' | 'commit'
+}
+
 /**
  * Resolve the next head-anchored range while retaining a priced recent tail
  * and never splitting an assistant tool-call/result pair.
@@ -71,12 +129,18 @@ export function selectCompactableRange(
 }
 
 /**
- * Validate and compact one positional surface span.
+ * Run the single compaction transaction over one selected positional span.
+ * Selection and validation are read-only. Idle/log validation and
+ * `compact/start` are synchronously adjacent, so the durable opening marker is
+ * the compaction lock before summarization yields. Every later failure makes
+ * exactly one `compact/end` attempt; a failed close deliberately leaves the
+ * unmatched start detectable.
  * @param dependencies - conversation meter and dynamically dispatched summarizer hook.
  * @param session - session whose surface is mutated.
  * @param start - inclusive first surface-node seq.
  * @param end - inclusive last surface-node seq.
  * @param agent - agent used by the summarizer.
+ * @param options - bracket owner, stability rule, and optional durability checkpoint.
  * @param signal - optional summarization cancellation signal.
  * @returns the successful durable compaction result.
  */
@@ -86,8 +150,151 @@ export async function compactSurfaceRegion(
   start: number,
   end: number,
   agent: Agent,
+  options: CompactionTransactionOptions,
   signal?: AbortSignal,
 ): Promise<CompactionResult> {
+  if (options.owner === null) signal?.throwIfAborted()
+  const selection = validateSurfaceRegion(session, start, end)
+  const entryState = inspectCompactionEntryState(session.events)
+  assertCompactionInactive(
+    entryState.unmatchedCompactionStart,
+    entryState.latestEndSeedSeq,
+    'compaction',
+  )
+
+  let owner: number | null
+  if (options.owner === null) {
+    if (entryState.openTurn !== null) {
+      throw new ManualCompactionError('busy', 'manual compaction: the session already has an open turn')
+    }
+    owner = null
+  } else {
+    if (entryState.openTurn === null) {
+      throw new Error('compactRegion: no open turn — automatic compaction events must be enclosed in a turn')
+    }
+    owner = entryState.openTurn
+  }
+
+  const startEvent = session.append('compact/start', { turn: owner })
+  const assertStable: StabilityCheck = options.stability === 'whole-surface'
+    ? assertWholeSurfaceUnchanged
+    : assertSelectedSpanStable
+  let failure: TransactionFailure | undefined
+  let flushFailure: unknown
+  let result: CompactionResult | undefined
+  let closed = false
+  let closing = false
+  let stage: TransactionFailure['stage'] = 'summary'
+
+  try {
+    const prepared = prepareCompaction(dependencies, session, selection)
+    const summarized = await summarizeCompaction(dependencies, prepared, agent, signal)
+    if (options.owner === null) signal?.throwIfAborted()
+    assertStable(dependencies, session, summarized)
+    stage = 'commit'
+    const pending = commitCompactionBody(session, startEvent, summarized)
+    closing = true
+    const endEvent = session.append('compact/end', { turn: owner })
+    closed = true
+    result = completeCompaction(pending, endEvent)
+  } catch (error: unknown) {
+    failure = { error, stage: closing ? 'commit' : stage }
+    if (!closing) {
+      closing = true
+      try {
+        session.append('compact/end', { turn: owner, error: errorChain(error) })
+        closed = true
+      } catch (closeError: unknown) {
+        failure = { error: closeError, stage: 'commit' }
+      }
+    }
+  }
+
+  if (closed && options.flush !== undefined) {
+    try {
+      await options.flush()
+    } catch (error: unknown) {
+      flushFailure = error
+    }
+  }
+
+  if (options.owner === null) signal?.throwIfAborted()
+  if (failure !== undefined) {
+    if (options.owner === null) throwManualFailure(failure)
+    throw failure.error
+  }
+  if (flushFailure !== undefined) {
+    throw new ManualCompactionError(
+      'persistence',
+      'manual compaction durability checkpoint failed',
+      { cause: flushFailure },
+    )
+  }
+  /* v8 ignore next -- every path without a result records and throws a failure above. */
+  if (result === undefined) throw new Error('compaction committed without a result')
+  return result
+}
+
+/** Classify one closed manual attempt without weakening cancellation precedence. */
+function throwManualFailure(failure: TransactionFailure): never {
+  if (failure.stage === 'commit') {
+    throw new ManualCompactionError(
+      'commit',
+      'manual compaction did not commit cleanly',
+      { cause: failure.error },
+    )
+  }
+  if (failure.error instanceof SurfaceChangedError) {
+    throw new ManualCompactionError(
+      'changed',
+      'the compacted history changed during manual compaction',
+      { cause: failure.error },
+    )
+  }
+  throw new ManualCompactionError(
+    'summary',
+    'manual compaction could not produce a smaller summary',
+    { cause: failure.error },
+  )
+}
+
+/**
+ * Reject a durable unmatched compaction marker unless a later constructor-seed
+ * boundary proves that its owner belongs to an earlier session lifecycle.
+ * @param unmatchedCompactionStart - latest unmatched opening marker, if any.
+ * @param latestEndSeedSeq - newest constructor-seed boundary, if any.
+ * @param stage - operation label included in the busy diagnostic.
+ */
+function assertCompactionInactive(
+  unmatchedCompactionStart: SessionEvent<'compact/start'> | undefined,
+  latestEndSeedSeq: number | undefined,
+  stage: string,
+): void {
+  if (unmatchedCompactionStart === undefined
+    || (latestEndSeedSeq !== undefined
+      && latestEndSeedSeq > unmatchedCompactionStart.seq)) return
+  throw new ManualCompactionError(
+    'busy',
+    `${stage}: compaction already in progress; the session compaction lock is already active`,
+  )
+}
+
+/**
+ * Recheck the durable compaction lock after an asynchronous policy decision.
+ * @param session - session whose latest marker state is inspected.
+ * @param stage - operation label included in the busy diagnostic.
+ */
+export function assertNoActiveCompaction(session: Session, stage: string): void {
+  const entryState = inspectCompactionEntryState(session.events)
+  assertCompactionInactive(
+    entryState.unmatchedCompactionStart,
+    entryState.latestEndSeedSeq,
+    stage,
+  )
+}
+
+/** Validate one requested surface-position span before asynchronous work begins. */
+function validateSurfaceRegion(session: Session, start: number, end: number): SurfaceSelection {
   const nodes = session.surface.nodes
   const startIdx = nodes.indexOf(start)
   const endIdx = nodes.indexOf(end)
@@ -107,75 +314,145 @@ export async function compactSurfaceRegion(
     throw new Error(`compactRegion: end seq ${end} is not a balanced boundary (would split a step, or the step is still open)`)
   }
 
-  const tail = inspectTurnTail(session.events)
-  if (tail.compactionInProgress) throw new Error('compaction already in progress')
-  if (tail.turn === null) {
-    throw new Error('compactRegion: no open turn — compaction events must be enclosed in a turn')
-  }
+  return { start, end, startIdx, endIdx, shadowedSeqs: nodes.slice(startIdx, endIdx + 1) }
+}
 
-  const shadowedSeqs = nodes.slice(startIdx, endIdx + 1)
-  const startEvent = session.append('compact/start', { turn: tail.turn })
+/** Snapshot pricing and replay input for a validated surface range. */
+function prepareCompaction(
+  dependencies: RegionDependencies,
+  session: Session,
+  selection: SurfaceSelection,
+): PreparedCompaction {
+  const measurement = dependencies.meter.measure(session)
+  const selectedNodes = measurement.nodes.slice(selection.startIdx, selection.endIdx + 1)
+  if (selectedNodes.length !== selection.shadowedSeqs.length
+    || selectedNodes.some((node, index) => node.seq !== selection.shadowedSeqs[index])) {
+    throw new SurfaceChangedError('compaction: selected surface changed before summarization began')
+  }
+  return {
+    ...selection,
+    measurement,
+    selectedNodes,
+    shadowedTokenCount: selectedNodes.reduce((total, node) => total + node.tokens, 0),
+    input: buildSummarizationInput(session, selection.shadowedSeqs),
+  }
+}
+
+/** Run the summarizer and frame its replacement checkpoint. */
+async function summarizeCompaction(
+  dependencies: RegionDependencies,
+  prepared: PreparedCompaction,
+  agent: Agent,
+  signal?: AbortSignal,
+): Promise<SummarizedCompaction> {
+  const summaryResult = await dependencies.summarize(prepared.input, agent, signal)
+  const checkpointMessage = createUserMessage({
+    content: frameSummary(summaryResult.summary),
+    source: COMPACT_CHECKPOINT_SOURCE,
+  })
+  const framedSummaryTokenCount = dependencies.meter.estimateMessage(checkpointMessage)
+  if (framedSummaryTokenCount >= prepared.shadowedTokenCount) {
+    throw new Error(
+      `summary is not smaller than the shadowed content (${framedSummaryTokenCount} estimated framed tokens >= ${prepared.shadowedTokenCount})`,
+    )
+  }
+  return {
+    ...prepared,
+    ...summaryResult,
+    checkpointMessage,
+  }
+}
+
+/** Reject a summary prepared against any earlier surface generation. */
+function assertWholeSurfaceUnchanged(
+  dependencies: RegionDependencies,
+  session: Session,
+  prepared: PreparedCompaction,
+): void {
+  const current = dependencies.meter.measure(session)
+  if (!isDeepStrictEqual(current.nodes, prepared.measurement.nodes)) {
+    throw new SurfaceChangedError('compaction: session surface changed during summarization')
+  }
+}
+
+/**
+ * Require only that the selected span remain the same present, contiguous,
+ * equally priced, balanced replacement target. Nodes added outside it remain
+ * visible and do not invalidate the summary.
+ */
+function assertSelectedSpanStable(
+  dependencies: RegionDependencies,
+  session: Session,
+  prepared: PreparedCompaction,
+): void {
+  let current: SurfaceSelection
   try {
-    // Capture after the lock event so a later surface mutation invalidates the
-    // async selection before replacement. Unrelated log-only facts may append.
-    const lockedMeasurement = dependencies.meter.measure(session)
-    const selected = lockedMeasurement.nodes.slice(startIdx, endIdx + 1)
-    if (selected.length !== shadowedSeqs.length
-      || selected.some((node, index) => node.seq !== shadowedSeqs[index])) {
-      throw new Error('compaction: selected surface changed before summarization began')
-    }
-    const shadowedTokenCount = selected.reduce((total, node) => total + node.tokens, 0)
-    const summarizationInput = buildSummarizationInput(session, shadowedSeqs)
-    const {
-      summary, rawOutput, provider, model, maxTokens, usage,
-    } = await dependencies.summarize(summarizationInput, agent, signal)
-
-    const currentMeasurement = dependencies.meter.measure(session)
-    if (!isDeepStrictEqual(currentMeasurement.nodes, lockedMeasurement.nodes)) {
-      throw new Error('compaction: session surface changed during summarization')
-    }
-    const framedSummary = frameSummary(summary)
-    const checkpointMessage = createUserMessage({
-      content: framedSummary,
-      source: COMPACT_CHECKPOINT_SOURCE,
-    })
-    const framedSummaryTokenCount = dependencies.meter.estimateMessage(checkpointMessage)
-    if (framedSummaryTokenCount >= shadowedTokenCount) {
-      throw new Error(
-        `summary is not smaller than the shadowed content (${framedSummaryTokenCount} estimated framed tokens >= ${shadowedTokenCount})`,
-      )
-    }
-
-    const summaryEvent = session.append('compact/summary', {
-      summary,
-      ...rawOutput === undefined ? {} : { rawOutput },
-      shadowedRange: { start, end },
-      shadowedSeqs,
-      shadowedTokenCount,
-      provider,
-      model,
-      ...maxTokens === undefined ? {} : { maxTokens },
-      ...usage === undefined ? {} : { usage },
-    })
-    session.append('user/message', checkpointMessage, {
-      surfaceOp: { op: 'replace', start, end },
-      sourceEventSeqs: [startEvent.seq, summaryEvent.seq, ...shadowedSeqs],
-    })
-    const endEvent = session.append('compact/end', { turn: tail.turn })
-    return {
-      startSeq: startEvent.seq,
-      summarySeq: summaryEvent.seq,
-      endSeq: endEvent.seq,
-      summary,
-      shadowedRange: { start, end },
-      shadowedSeqs,
-      shadowedTokenCount,
-    }
+    current = validateSurfaceRegion(session, prepared.start, prepared.end)
   } catch (error: unknown) {
-    const message = error instanceof Error ? error.message : String(error)
-    session.append('compact/end', { turn: tail.turn, error: message })
-    throw error
+    throw new SurfaceChangedError(
+      'compaction: the selected span is no longer a valid replacement target',
+      { cause: error },
+    )
   }
+  if (!isDeepStrictEqual([...current.shadowedSeqs], [...prepared.shadowedSeqs])) {
+    throw new SurfaceChangedError('compaction: the selected span changed during summarization')
+  }
+  const measured = dependencies.meter.measure(session).nodes.slice(current.startIdx, current.endIdx + 1)
+  if (!isDeepStrictEqual(measured, prepared.selectedNodes)) {
+    throw new SurfaceChangedError('compaction: the selected span was rewritten during summarization')
+  }
+}
+
+/** Append one already-summarized provenance and replacement body without yielding. */
+function commitCompactionBody(
+  session: Session,
+  startEvent: SessionEvent<'compact/start'>,
+  summarized: SummarizedCompaction,
+): Omit<CompactionResult, 'endSeq'> {
+  const {
+    start,
+    end,
+    shadowedSeqs,
+    shadowedTokenCount,
+    summary,
+    rawOutput,
+    provider,
+    model,
+    maxTokens,
+    usage,
+    checkpointMessage,
+  } = summarized
+  const summaryEvent = session.append('compact/summary', {
+    summary,
+    ...rawOutput === undefined ? {} : { rawOutput },
+    shadowedRange: { start, end },
+    shadowedSeqs: [...shadowedSeqs],
+    shadowedTokenCount,
+    provider,
+    model,
+    ...maxTokens === undefined ? {} : { maxTokens },
+    ...usage === undefined ? {} : { usage },
+  })
+  session.append('user/message', checkpointMessage, {
+    surfaceOp: { op: 'replace', start, end },
+    sourceEventSeqs: [startEvent.seq, summaryEvent.seq, ...shadowedSeqs],
+  })
+  return {
+    startSeq: startEvent.seq,
+    summarySeq: summaryEvent.seq,
+    summary,
+    shadowedRange: { start, end },
+    shadowedSeqs: [...shadowedSeqs],
+    shadowedTokenCount,
+  }
+}
+
+/** Attach the successfully appended close event to a pending result. */
+function completeCompaction(
+  pending: Omit<CompactionResult, 'endSeq'>,
+  endEvent: SessionEvent<'compact/end'>,
+): CompactionResult {
+  return { ...pending, endSeq: endEvent.seq }
 }
 
 /**
@@ -206,25 +483,38 @@ function buildSummarizationInput(
   }
 }
 
-/** Inspect the current turn boundary and latest compaction bracket once. */
-function inspectTurnTail(
-  events: readonly SessionEvent[],
-): { turn: number | null; compactionInProgress: boolean } {
-  let compactionInProgress = false
-  let compactionStateKnown = false
+/** Inspect open-turn, unmatched-compaction, and latest seed-boundary state independently. */
+function inspectCompactionEntryState(events: readonly SessionEvent[]): CompactionEntryState {
+  let openTurn: number | null = null
+  let openTurnStateKnown = false
+  let unmatchedCompactionStart: SessionEvent<'compact/start'> | undefined
+  let compactionEntryStateKnown = false
+  let latestEndSeedSeq: number | undefined
   for (let index = events.length - 1; index >= 0; index -= 1) {
     // oxlint-disable-next-line typescript/no-non-null-assertion
     const event = events[index]!
-    if (!compactionStateKnown) {
+    if (latestEndSeedSeq === undefined && event.type === 'session/end-seed') {
+      latestEndSeedSeq = event.seq
+    }
+    if (!compactionEntryStateKnown) {
       if (event.type === 'compact/start') {
-        compactionInProgress = true
-        compactionStateKnown = true
+        unmatchedCompactionStart = event
+        compactionEntryStateKnown = true
       } else if (event.type === 'compact/end') {
-        compactionStateKnown = true
+        compactionEntryStateKnown = true
       }
     }
-    if (event.type === 'turn/start') return { turn: event.data.turn, compactionInProgress }
-    if (event.type === 'turn/end') return { turn: null, compactionInProgress }
+    if (!openTurnStateKnown) {
+      if (event.type === 'turn/start') {
+        openTurn = event.data.turn
+        openTurnStateKnown = true
+      } else if (event.type === 'turn/end') {
+        openTurnStateKnown = true
+      }
+    }
+    if (openTurnStateKnown
+      && compactionEntryStateKnown
+      && latestEndSeedSeq !== undefined) break
   }
-  return { turn: null, compactionInProgress }
+  return { openTurn, unmatchedCompactionStart, latestEndSeedSeq }
 }
diff --git a/packages/compact/compact-basic/src/summarizer.ts b/packages/compact/compact-basic/src/summarizer.ts
index 3202970c7d..ba3dad5592 100644
--- a/packages/compact/compact-basic/src/summarizer.ts
+++ b/packages/compact/compact-basic/src/summarizer.ts
@@ -58,7 +58,7 @@ const COMPACTION_INSTRUCTION = [
   '- [decisions and their rationale, constraints, user preferences, open questions, data needed to continue]',
   '',
   'Rules:',
-  '- Preserve exact file paths, commands, error strings, identifiers, and function signatures.',
+  '- Write concise English engineering prose. Preserve exact file paths, commands, error strings, identifiers, numeric values, function signatures, and syntax fragments.',
   '- Capture user feedback and explicit instructions faithfully, especially corrections.',
   '- Do NOT mention this summarization request or that the context was compacted.',
   '- Output only the checkpoint text: do not call any tool or take any other action.',
diff --git a/packages/compact/compact-basic/tests/compact-basic.spec.ts b/packages/compact/compact-basic/tests/compact-basic.spec.ts
index f4c12f9e75..9a4f3d2221 100644
--- a/packages/compact/compact-basic/tests/compact-basic.spec.ts
+++ b/packages/compact/compact-basic/tests/compact-basic.spec.ts
@@ -21,7 +21,7 @@ import type {
   StreamChunk,
   TokenUsage,
 } from '@deepseek-ai/dsh-llm'
-import { Session, SessionId } from '@deepseek-ai/dsh-session'
+import SessionStore, { Session, SessionId } from '@deepseek-ai/dsh-session'
 import TokenMeterService from '@deepseek-ai/dsh-token-meter'
 import { agentEvents, type Agent, type RequestErrorAction } from '@deepseek-ai/dsh-agent'
 import ToolResultPruneService from '@deepseek-ai/dsh-compact-tool-result-prune'
@@ -1223,7 +1223,8 @@ describe('default one-shot summarizer', () => {
     expect(messages[0]).toEqual(prefix)
     const last = messages.at(-1)?.content[0]
     const lastText = last?.type === 'text' ? last.text : ''
-    expect(lastText).toContain('Condense the conversation ABOVE')
+    expect(lastText).toContain('Write concise English engineering prose.')
+    expect(lastText).toContain('numeric values, function signatures, and syntax fragments.')
     expect(lastText).toContain('## Primary Request and Intent')
   })
 
@@ -1785,6 +1786,7 @@ describe('automatic listener and loader composition', () => {
   it('loads and disposes the real zero-config service stack', async () => {
     const ctx = new Context()
     await ctx.plugin(LlmService)
+    await ctx.plugin(SessionStore)
     const meterFiber = await ctx.plugin(TokenMeterService)
     const compactFiber = await ctx.plugin(BasicCompactService, { auto: false })
 
diff --git a/packages/compact/compact-basic/tests/compact-loop-repro.spec.ts b/packages/compact/compact-basic/tests/compact-loop-repro.spec.ts
index b7146a2a23..b3dc707b27 100644
--- a/packages/compact/compact-basic/tests/compact-loop-repro.spec.ts
+++ b/packages/compact/compact-basic/tests/compact-loop-repro.spec.ts
@@ -341,6 +341,11 @@ describe('context-overflow recovery across the real loop and compact-basic', ()
 
         expect(adapter.conversationRequests).toHaveLength(2)
         expect(adapter.summaryRequests).toHaveLength(1)
+        const instruction = adapter.summaryRequests[0]!.messages.at(-1)?.content
+          .map(block => (block.type === 'text' ? block.text : ''))
+          .join('') ?? ''
+        expect(instruction).toContain('Write concise English engineering prose.')
+        expect(instruction).toContain('numeric values, function signatures, and syntax fragments.')
         expect(JSON.stringify(adapter.conversationRequests[0]!.messages)).toContain('OLD HISTORY SENTINEL')
         const retry = JSON.stringify(adapter.conversationRequests[1]!.messages)
         expect(retry).toContain('RECOVERY CHECKPOINT')
diff --git a/packages/compact/compact-basic/tests/loader-composition.spec.ts b/packages/compact/compact-basic/tests/loader-composition.spec.ts
index 74f8423e52..dc75828f2e 100644
--- a/packages/compact/compact-basic/tests/loader-composition.spec.ts
+++ b/packages/compact/compact-basic/tests/loader-composition.spec.ts
@@ -7,6 +7,7 @@ import { Context } from 'cordis'
 import Loader from '@cordisjs/plugin-loader'
 import Include from '@cordisjs/plugin-include'
 import LlmService from '@deepseek-ai/dsh-llm'
+import SessionStore from '@deepseek-ai/dsh-session'
 import TokenMeterService from '@deepseek-ai/dsh-token-meter'
 import BasicCompactService from '@deepseek-ai/dsh-compact-basic'
 import ToolResultPruneService from '@deepseek-ai/dsh-compact-tool-result-prune'
@@ -32,6 +33,7 @@ async function loadYaml(lines: readonly string[]): Promise<Context> {
   context.loader.builtins.include = Include
   const modules = new Map<string, unknown>([
     ['@deepseek-ai/dsh-llm', LlmService],
+    ['@deepseek-ai/dsh-session', SessionStore],
     ['@deepseek-ai/dsh-token-meter', TokenMeterService],
     ['@deepseek-ai/dsh-compact-tool-result-prune', ToolResultPruneService],
     ['@deepseek-ai/dsh-compact-basic', BasicCompactService],
@@ -55,6 +57,7 @@ describe('real Loader composition', () => {
   it('loads the shipped token-meter, pruning, and compact-basic YAML order', async () => {
     const loaded = await loadYaml([
       "- name: '@deepseek-ai/dsh-llm'",
+      "- name: '@deepseek-ai/dsh-session'",
       "- name: '@deepseek-ai/dsh-token-meter'",
       "- name: '@deepseek-ai/dsh-compact-tool-result-prune'",
       '  config:',
@@ -91,6 +94,7 @@ describe('real Loader composition', () => {
   it('rejects stale compact-basic config after Schemastery normalization', async () => {
     context = new Context()
     await context.plugin(LlmService)
+    await context.plugin(SessionStore)
     await context.plugin(TokenMeterService)
     await expect(context.plugin(BasicCompactService, {
       models: { legacy: { thresholdRatio: 0.5 } },
@@ -100,6 +104,7 @@ describe('real Loader composition', () => {
   it('rejects a capacity-independent merged ratio conflict during plugin load', async () => {
     context = new Context()
     await context.plugin(LlmService)
+    await context.plugin(SessionStore)
     await context.plugin(TokenMeterService)
     await expect(context.plugin(BasicCompactService, {
       retainRatio: 0.2,
@@ -114,6 +119,7 @@ describe('real Loader composition', () => {
   it('rejects an incomplete model-policy summarization pair during plugin load', async () => {
     context = new Context()
     await context.plugin(LlmService)
+    await context.plugin(SessionStore)
     await context.plugin(TokenMeterService)
     await expect(context.plugin(BasicCompactService, {
       summarizationProvider: 'default-provider',
diff --git a/packages/compact/compact-basic/tests/manual-compact.spec.ts b/packages/compact/compact-basic/tests/manual-compact.spec.ts
new file mode 100644
index 0000000000..aadf50f306
--- /dev/null
+++ b/packages/compact/compact-basic/tests/manual-compact.spec.ts
@@ -0,0 +1,831 @@
+import { describe, expect, it, vi } from 'vitest'
+import { Context } from 'cordis'
+import AgentLoop from '@deepseek-ai/dsh-agent-loop'
+import { mountAgentLoopTestDependencies } from '@deepseek-ai/dsh-agent-loop-testkit'
+import InvariantService from '@deepseek-ai/dsh-invariants'
+import * as SessionInvariant from '@deepseek-ai/dsh-session/invariant'
+import * as AgentInvariant from '@deepseek-ai/dsh-agent/invariant'
+import * as AgentLoopInvariant from '@deepseek-ai/dsh-agent-loop/invariant'
+import * as CompactInvariant from '@deepseek-ai/dsh-compact/invariant'
+import * as CompactBasicInvariant from '@deepseek-ai/dsh-compact-basic/invariant'
+import { BasicCompactService } from '@deepseek-ai/dsh-compact-basic'
+import { isCompactCheckpointSource, ManualCompactionError } from '@deepseek-ai/dsh-compact'
+import type { CompactionResult } from '@deepseek-ai/dsh-compact'
+import {
+  createAssistantMessage,
+  createUserMessage,
+  LlmAdapter,
+} from '@deepseek-ai/dsh-llm'
+import type {
+  ContentBlock,
+  LlmResolvedModelInfo,
+  Message,
+  StreamChunk,
+  TokenUsage,
+} from '@deepseek-ai/dsh-llm'
+import SessionStore, { Session, SessionId } from '@deepseek-ai/dsh-session'
+import LlmService from '@deepseek-ai/dsh-llm'
+import TokenMeterService from '@deepseek-ai/dsh-token-meter'
+import type { Agent } from '@deepseek-ai/dsh-agent'
+import type {
+  SummarizationInput,
+  SummaryResult,
+} from '@deepseek-ai/dsh-compact-basic/src/summarizer.ts'
+
+const MODEL = 'mock'
+const SIGNAL = new AbortController().signal
+const PROMPT = 'older conversation history '.repeat(60)
+
+/** A summarizer under test control: it can block, fail, or mutate mid-call. */
+class GatedCompactService extends BasicCompactService {
+  summary: ContentBlock[] = [{ type: 'text', text: 'checkpoint' }]
+  rawOutput: ContentBlock[] | undefined
+  usage: TokenUsage | undefined
+  error: unknown
+  gate: Promise<undefined> | undefined
+  duringSummary: (() => void) | undefined
+  calls: SummarizationInput[] = []
+
+  override async summarize(
+    input: SummarizationInput,
+    _agent: Agent,
+    _signal?: AbortSignal,
+  ): Promise<SummaryResult> {
+    this.calls.push(input)
+    this.duringSummary?.()
+    if (this.gate !== undefined) await this.gate
+    if (this.error !== undefined) throw this.error
+    return {
+      summary: this.summary,
+      ...this.rawOutput === undefined ? {} : { rawOutput: this.rawOutput },
+      provider: 'summary-provider',
+      model: 'summary-model',
+      ...this.usage === undefined ? {} : { usage: this.usage },
+    }
+  }
+}
+
+/** One text answer per request, with a context window large enough to avoid pressure. */
+class TextAdapter extends LlmAdapter {
+  readonly requests: Message[][] = []
+
+  override resolveModel(provider: string, model: string): Promise<LlmResolvedModelInfo> {
+    return Promise.resolve({
+      provider,
+      id: model,
+      name: model,
+      context: { contextWindow: 100_000 },
+    })
+  }
+
+  override async * stream(options: { messages: readonly Message[] }): AsyncIterable<StreamChunk> {
+    this.requests.push([...options.messages])
+    yield { type: 'block-start', index: 0, blockType: 'text' }
+    yield { type: 'block-end', index: 0, block: { type: 'text', text: 'answer' } }
+    yield { type: 'finish', reason: { kind: 'stop' } }
+  }
+}
+
+interface LoopHarness {
+  readonly ctx: Context
+  readonly agent: Agent
+  readonly compact: GatedCompactService
+  readonly adapter: TextAdapter
+  readonly log: string[]
+}
+
+/** Real loop, session store, and invariant companions around manual compaction. */
+async function loopHarness(): Promise<LoopHarness> {
+  const ctx = new Context()
+  await mountAgentLoopTestDependencies(ctx)
+  await ctx.plugin(InvariantService)
+  await ctx.plugin(SessionInvariant)
+  await ctx.plugin(AgentInvariant)
+  await ctx.plugin(AgentLoopInvariant)
+  await ctx.plugin(CompactInvariant)
+  await ctx.plugin(CompactBasicInvariant)
+  await ctx.plugin(AgentLoop, { agents: [] })
+  await ctx.plugin(TokenMeterService)
+  const adapter = new TextAdapter()
+  ctx.llm.registerAdapter([MODEL], adapter)
+  const compact = new GatedCompactService(ctx, { auto: false })
+  const agent = ctx.agentLoop.create(SessionId('manual-compact'), { provider: MODEL, model: MODEL })
+  const log: string[] = []
+  ctx.on('session/event', (_session, event) => {
+    if (event.type === 'turn/start') log.push(`turn/start:${event.data.trigger.kind}`)
+    if (event.type === 'turn/end') log.push('turn/end')
+    if (event.type === 'compact/start') log.push(`compact/start:${String(event.data.turn)}`)
+    if (event.type === 'compact/summary') log.push('compact/summary')
+    if (event.type === 'compact/end') log.push(`compact/end:${String(event.data.turn)}`)
+    if (event.type === 'user/message') log.push('user/message')
+  })
+  ctx.on('session/flush', () => { log.push('flush') })
+  return { ctx, agent, compact, adapter, log }
+}
+
+/** Drive one real turn so the closed history holds a compactable older span. */
+async function seedHistory(harness: LoopHarness): Promise<void> {
+  harness.agent.followup(createUserMessage({
+    content: [{ type: 'text', text: PROMPT }],
+    source: { kind: 'user' },
+  }))
+  await harness.agent.whenIdle()
+  harness.log.length = 0
+}
+
+/** Text of every derived model-visible message, in request order. */
+function derivedText(session: Session): string[] {
+  return session.deriveMessages().map((message: Message) => message.content
+    .map(block => block.type === 'text' ? block.text : '')
+    .join(''))
+}
+
+/** Await one classified manual-compaction rejection. */
+async function rejection(operation: Promise<unknown>): Promise<ManualCompactionError> {
+  const caught: unknown = await operation.then(
+    (value: unknown) => { throw new Error(`expected a rejection, resolved with ${String(value)}`) },
+    (error: unknown) => error,
+  )
+  if (!(caught instanceof ManualCompactionError)) {
+    throw new Error(`expected a ManualCompactionError, got ${String(caught)}`)
+  }
+  return caught
+}
+
+/** The Error a classified failure wraps. */
+function causeOf(error: ManualCompactionError): Error {
+  const { cause } = error
+  if (!(cause instanceof Error)) throw new Error(`expected an Error cause, got ${String(cause)}`)
+  return cause
+}
+
+function deferred(): { promise: Promise<undefined>; resolve: () => void } {
+  const { promise, resolve } = Promise.withResolvers<undefined>()
+  return { promise, resolve: () => { resolve(undefined) } }
+}
+
+/** A closed-tail session with compactable exchanges and no live agent. */
+function closedConversation(turns = 2, lastTurnNumber = turns): Session {
+  const session = new Session(SessionId(`closed-${turns}-${lastTurnNumber}`))
+  for (let index = 1; index <= turns; index += 1) {
+    const turn = index === turns ? lastTurnNumber : index
+    session.append('turn/start', { turn, trigger: { kind: 'message', source: { kind: 'user' } } })
+    session.append('user/message', createUserMessage({
+      content: [{ type: 'text', text: `${PROMPT} ${turn}` }],
+      source: { kind: 'user' },
+    }), { surfaceOp: 'append' })
+    session.append('step/start', { turn, step: 1 })
+    if (index === 1) {
+      session.append('request/header', {
+        header: { config: { provider: MODEL, model: MODEL } },
+        reason: 'initial',
+      })
+    }
+    session.append('assistant/message', {
+      turn,
+      step: 1,
+      message: createAssistantMessage({
+        content: [{ type: 'text', text: `answer ${turn}` }],
+        source: { provider: MODEL, model: MODEL },
+      }),
+    }, { surfaceOp: 'append' })
+    session.append('step/end', { turn, step: 1 })
+    session.append('turn/end', { turn, reason: { kind: 'completed' } })
+  }
+  return session
+}
+
+/** A fake idle agent whose admission reservation is scripted per test. */
+function fakeAgent(
+  session: Session,
+  reserve: () => (() => void) | undefined,
+): Agent {
+  return {
+    session,
+    options: { provider: MODEL, model: MODEL },
+    reserveTurnAdmission: reserve,
+  } as unknown as Agent
+}
+
+/** Service over a store-detached session for failure classification. */
+function detachedService(): { ctx: Context; compact: GatedCompactService; flushes: () => number } {
+  const ctx = new Context()
+  void new LlmService(ctx)
+  void new SessionStore(ctx)
+  void new TokenMeterService(ctx)
+  ctx.llm.registerAdapter([MODEL], new TextAdapter())
+  let flushes = 0
+  vi.spyOn(ctx.sessions, 'flush').mockImplementation(() => {
+    flushes += 1
+    return Promise.resolve()
+  })
+  return { ctx, compact: new GatedCompactService(ctx, { auto: false }), flushes: () => flushes }
+}
+
+function compactEvents(session: Session): Array<Session['events'][number]> {
+  return session.events.filter(event => event.type.startsWith('compact/'))
+}
+
+describe('compactNow through the real loop', () => {
+  it('holds a prompt accepted during summarization until the standalone bracket is flushed', async () => {
+    const harness = await loopHarness()
+    const { agent, compact, adapter, log } = harness
+    await seedHistory(harness)
+    const gate = deferred()
+    compact.gate = gate.promise
+
+    const running = compact.compactNow(agent, SIGNAL)
+    await Promise.resolve()
+    expect(log).toEqual(['compact/start:null'])
+    agent.followup(createUserMessage({
+      content: [{ type: 'text', text: 'after compaction' }],
+      source: { kind: 'user' },
+    }))
+    await new Promise<void>((resolve) => { setTimeout(resolve, 5) })
+
+    expect(agent.status).toBe('idle')
+    expect(adapter.requests).toHaveLength(1)
+    expect(log).toEqual(['compact/start:null'])
+
+    gate.resolve()
+    const result = await running
+    expect(result).not.toBeNull()
+    await agent.whenIdle()
+
+    const start = log.indexOf('compact/start:null')
+    const summary = log.indexOf('compact/summary')
+    const end = log.indexOf('compact/end:null')
+    const flush = log.indexOf('flush')
+    const nextTurn = log.indexOf('turn/start:message')
+    expect(start).toBeLessThan(summary)
+    expect(summary).toBeLessThan(end)
+    expect(end).toBeLessThan(flush)
+    expect(flush).toBeLessThan(nextTurn)
+    expect(adapter.requests).toHaveLength(2)
+    const second = (adapter.requests[1] ?? []).map(message => message.content
+      .map(block => block.type === 'text' ? block.text : '')
+      .join(''))
+    expect(second[0]).toContain('checkpoint')
+    expect(second.at(-1)).toBe('after compaction')
+    expect(second.some(text => text.includes(PROMPT))).toBe(false)
+  })
+
+  it('keeps context injected during summarization between the markers and after the checkpoint', async () => {
+    const harness = await loopHarness()
+    const { agent, compact } = harness
+    await seedHistory(harness)
+    compact.duringSummary = () => {
+      agent.inject(createUserMessage({
+        content: [{ type: 'text', text: 'INJECTED CONTEXT' }],
+        source: { kind: 'plugin', plugin: 'test' },
+      }))
+    }
+
+    const result = await compact.compactNow(agent, SIGNAL)
+
+    expect(result).not.toBeNull()
+    const start = agent.session.events.findLast(event => event.type === 'compact/start')
+    const injected = agent.session.events.findLast(event => event.type === 'user/message'
+      && event.data.source.kind === 'plugin' && event.data.source.plugin === 'test')
+    const end = agent.session.events.findLast(event => event.type === 'compact/end')
+    expect(start).toBeDefined()
+    expect(injected).toBeDefined()
+    expect(end).toBeDefined()
+    expect(start!.seq).toBeLessThan(injected!.seq)
+    expect(injected!.seq).toBeLessThan(end!.seq)
+    expect(result?.shadowedSeqs).not.toContain(injected?.seq)
+    const messages = derivedText(agent.session)
+    expect(messages[0]).toContain('checkpoint')
+    expect(messages.at(-1)).toContain('INJECTED CONTEXT')
+    expect(messages.filter(text => text.includes('INJECTED CONTEXT'))).toHaveLength(1)
+  })
+
+  it('keeps the marker order when listeners attempt a re-entrant injection', async () => {
+    const harness = await loopHarness()
+    const { ctx, agent, compact } = harness
+    await seedHistory(harness)
+    const attempts: string[] = []
+    ctx.on('session/event', (_session, event) => {
+      if (event.type !== 'compact/start' && event.type !== 'compact/summary') return
+      attempts.push(event.type)
+      agent.inject(createUserMessage({
+        content: [{ type: 'text', text: `from ${event.type}` }],
+        source: { kind: 'plugin', plugin: 'listener' },
+      }))
+    })
+
+    const result = await compact.compactNow(agent, SIGNAL)
+
+    expect(attempts).toEqual(['compact/start', 'compact/summary'])
+    expect(result).not.toBeNull()
+    expect(derivedText(agent.session)[0]).toContain('checkpoint')
+    expect(agent.session.events.filter(event => event.type === 'user/message'
+      && event.data.source.kind === 'plugin' && event.data.source.plugin === 'listener')).toHaveLength(0)
+    const types = compactEvents(agent.session).map(event => event.type)
+    expect(types).toEqual(['compact/start', 'compact/summary', 'compact/end'])
+  })
+
+  it('reports busy without summarizing when a prompt already owns the next turn', async () => {
+    const harness = await loopHarness()
+    const { agent, compact, adapter } = harness
+    await seedHistory(harness)
+
+    agent.followup(createUserMessage({
+      content: [{ type: 'text', text: 'first in line' }],
+      source: { kind: 'user' },
+    }))
+    expect((await rejection(compact.compactNow(agent, SIGNAL))).code).toBe('busy')
+    expect(compact.calls).toHaveLength(0)
+
+    await agent.whenIdle()
+    expect(adapter.requests).toHaveLength(2)
+    expect(agent.session.events.some(event => event.type === 'compact/start')).toBe(false)
+  })
+
+  it('releases turn admission after a summarizer failure and records the failed attempt', async () => {
+    const harness = await loopHarness()
+    const { agent, compact, adapter } = harness
+    await seedHistory(harness)
+    compact.error = new Error('summarizer unavailable')
+    const before = [...agent.session.surface.nodes]
+
+    expect((await rejection(compact.compactNow(agent, SIGNAL))).code).toBe('summary')
+    expect(agent.session.surface.nodes).toEqual(before)
+    const markers = compactEvents(agent.session)
+    expect(markers.map(event => event.type)).toEqual(['compact/start', 'compact/end'])
+    expect(markers[1]?.type === 'compact/end' && markers[1].data.error)
+      .toContain('summarizer unavailable')
+
+    agent.followup(createUserMessage({
+      content: [{ type: 'text', text: 'runs after the failure' }],
+      source: { kind: 'user' },
+    }))
+    await agent.whenIdle()
+    expect(adapter.requests).toHaveLength(2)
+  })
+})
+
+describe('compactNow transaction and failure classification', () => {
+  it('returns null without writing a bracket for history that cannot be compacted', async () => {
+    const { compact } = detachedService()
+    const session = new Session(SessionId('empty'))
+    let released = 0
+    const agent = fakeAgent(session, () => () => { released += 1 })
+
+    expect(await compact.compactNow(agent, SIGNAL)).toBeNull()
+    expect(released).toBe(1)
+    expect(compact.calls).toHaveLength(0)
+    expect(compactEvents(session)).toEqual([])
+  })
+
+  it('commits a standalone bracket without consuming a turn number and checkpoints durability', async () => {
+    const { compact, flushes } = detachedService()
+    const session = closedConversation(2, 7)
+    const agent = fakeAgent(session, () => () => undefined)
+
+    const result = await compact.compactNow(agent, SIGNAL)
+
+    expect(result).not.toBeNull()
+    expect(flushes()).toBe(1)
+    expect(session.events.filter(event => event.type === 'turn/start').at(-1)?.data.turn).toBe(7)
+    expect(session.events.findLast(event => event.type === 'compact/start')?.data)
+      .toEqual({ turn: null })
+    expect(session.events.findLast(event => event.type === 'compact/end')?.data)
+      .toEqual({ turn: null })
+  })
+
+  it('reports a live unmatched bracket as busy without summarizing', async () => {
+    const { compact } = detachedService()
+    const session = closedConversation(2)
+    session.append('compact/start', { turn: null })
+    const agent = fakeAgent(session, () => () => undefined)
+
+    const error = await rejection(compact.compactNow(agent, SIGNAL))
+    expect(error.code).toBe('busy')
+    expect(error.message).toContain('compaction lock is already active')
+    expect(compact.calls).toHaveLength(0)
+  })
+
+  it('ignores an unmatched bracket inherited before a later end-seed marker', async () => {
+    const { compact } = detachedService()
+    const original = closedConversation(2)
+    original.append('compact/start', { turn: null })
+    const reloaded = new Session(SessionId('stale-orphan'), [...original.events])
+    const boundary = reloaded.events.findLast(event => event.type === 'session/end-seed')
+    const orphan = reloaded.events.find(event => event.type === 'compact/start')
+    const agent = fakeAgent(reloaded, () => () => undefined)
+
+    expect(boundary?.seq).toBeGreaterThan(orphan?.seq ?? Number.MAX_SAFE_INTEGER)
+    await expect(compact.compactNow(agent, SIGNAL)).resolves.not.toBeNull()
+    expect(compact.calls).toHaveLength(1)
+  })
+
+  it('scans a stale orphan independently of later repaired turn state', async () => {
+    const { compact } = detachedService()
+    const original = closedConversation(2)
+    original.append('compact/start', { turn: null })
+    original.append('turn/start', { turn: 3, trigger: { kind: 'message', source: { kind: 'user' } } })
+    original.append('turn/end', { turn: 3, reason: { kind: 'interrupted' } })
+    const reloaded = new Session(SessionId('reloaded-orphan'), [...original.events])
+    const agent = fakeAgent(reloaded, () => () => undefined)
+
+    await expect(compact.compactNow(agent, SIGNAL)).resolves.not.toBeNull()
+    expect(compact.calls).toHaveLength(1)
+  })
+
+  it('refuses an open turn in the log', async () => {
+    const { compact } = detachedService()
+    const session = closedConversation(2)
+    session.append('turn/start', { turn: 3, trigger: { kind: 'message', source: { kind: 'user' } } })
+    const agent = fakeAgent(session, () => () => undefined)
+
+    const error = await rejection(compact.compactNow(agent, SIGNAL))
+    expect(error.code).toBe('busy')
+    expect(error.message).toContain('already has an open turn')
+  })
+
+  it('reports busy and skips summarization when admission is unavailable', async () => {
+    const { compact } = detachedService()
+    const agent = fakeAgent(closedConversation(2), () => undefined)
+
+    expect((await rejection(compact.compactNow(agent, SIGNAL))).code).toBe('busy')
+    expect(compact.calls).toHaveLength(0)
+  })
+
+  it('rejects a selected span replaced during summarization and records an error close', async () => {
+    const { compact, flushes } = detachedService()
+    const session = closedConversation(2)
+    let released = 0
+    const agent = fakeAgent(session, () => () => { released += 1 })
+    compact.duringSummary = () => {
+      const [head] = session.surface.nodes
+      session.append('user/message', createUserMessage({
+        content: [{ type: 'text', text: 'competing replacement' }],
+        source: { kind: 'plugin', plugin: 'rival' },
+      }), {
+        surfaceOp: { op: 'replace', start: head!, end: head! },
+        sourceEventSeqs: [head!],
+      })
+    }
+
+    expect((await rejection(compact.compactNow(agent, SIGNAL))).code).toBe('changed')
+    expect(released).toBe(1)
+    expect(flushes()).toBe(1)
+    expect(compactEvents(session).map(event => event.type)).toEqual(['compact/start', 'compact/end'])
+  })
+
+  it('rejects a selected span whose middle node was replaced during summarization', async () => {
+    const { compact } = detachedService()
+    const session = closedConversation(3)
+    const agent = fakeAgent(session, () => () => undefined)
+    compact.duringSummary = () => {
+      const middle = session.surface.nodes[1]
+      session.append('user/message', createUserMessage({
+        content: [{ type: 'text', text: 'rewritten middle node' }],
+        source: { kind: 'plugin', plugin: 'rival' },
+      }), {
+        surfaceOp: { op: 'replace', start: middle!, end: middle! },
+        sourceEventSeqs: [middle!],
+      })
+    }
+
+    const error = await rejection(compact.compactNow(agent, SIGNAL))
+    expect(error.code).toBe('changed')
+    expect(causeOf(error).message).toContain('span changed during summarization')
+  })
+
+  it('revalidates the selected span after the summarizer continuation settles', async () => {
+    const { compact, flushes } = detachedService()
+    const session = closedConversation(2)
+    const gate = deferred()
+    compact.gate = gate.promise
+    let released = 0
+    const agent = fakeAgent(session, () => () => { released += 1 })
+    const head = session.surface.nodes[0]!
+    const generation = session.surface.replaceGeneration
+
+    const running = compact.compactNow(agent, SIGNAL)
+    await Promise.resolve()
+    expect(compact.calls).toHaveLength(1)
+
+    gate.resolve()
+    queueMicrotask(() => {
+      queueMicrotask(() => {
+        session.append('user/message', createUserMessage({
+          content: [{ type: 'text', text: 'late competing replacement' }],
+          source: { kind: 'plugin', plugin: 'rival' },
+        }), {
+          surfaceOp: { op: 'replace', start: head, end: head },
+          sourceEventSeqs: [head],
+        })
+      })
+    })
+
+    const error = await rejection(running)
+    expect(error.code).toBe('changed')
+    expect(causeOf(error).message).toContain('selected span')
+    expect(released).toBe(1)
+    expect(flushes()).toBe(1)
+    expect(session.surface.replaceGeneration).toBe(generation + 1)
+    expect(session.surface.nodes).not.toContain(head)
+    expect(compactEvents(session).map(event => event.type)).toEqual(['compact/start', 'compact/end'])
+    expect(session.events.some(event => event.type === 'user/message'
+      && isCompactCheckpointSource(event.data.source))).toBe(false)
+  })
+
+  it('classifies a failing compact/end as commit failure and leaves one orphan', async () => {
+    const { compact, flushes } = detachedService()
+    const session = closedConversation(2)
+    const agent = fakeAgent(session, () => () => undefined)
+    const append = session.append.bind(session)
+    vi.spyOn(session, 'append').mockImplementation(((type: string, ...rest: never[]) => {
+      if (type === 'compact/end') throw new Error('boundary rejected')
+      return (append as (...args: never[]) => unknown)(type as never, ...rest)
+    }) as never)
+
+    const error = await rejection(compact.compactNow(agent, SIGNAL))
+    expect(error.code).toBe('commit')
+    expect(causeOf(error).message).toBe('boundary rejected')
+    vi.restoreAllMocks()
+    expect(flushes()).toBe(0)
+    expect(session.events.findLast(event => event.type.startsWith('compact/'))?.type)
+      .toBe('compact/summary')
+    expect(compactEvents(session).filter(event => event.type === 'compact/start')).toHaveLength(1)
+
+    const calls = compact.calls.length
+    expect((await rejection(compact.compactNow(agent, SIGNAL))).code).toBe('busy')
+    expect(compact.calls).toHaveLength(calls)
+  })
+
+  it('keeps a failed error-close as the commit failure and does not flush', async () => {
+    const { compact, flushes } = detachedService()
+    const session = closedConversation(2)
+    let released = 0
+    const agent = fakeAgent(session, () => () => { released += 1 })
+    compact.error = new Error('summary rejected')
+    const append = session.append.bind(session)
+    vi.spyOn(session, 'append').mockImplementation(((type: string, ...rest: never[]) => {
+      if (type === 'compact/end') throw new Error('error boundary rejected')
+      return (append as (...args: never[]) => unknown)(type as never, ...rest)
+    }) as never)
+
+    const error = await rejection(compact.compactNow(agent, SIGNAL))
+    vi.restoreAllMocks()
+    expect(error.code).toBe('commit')
+    expect(causeOf(error).message).toBe('error boundary rejected')
+    expect(released).toBe(1)
+    expect(flushes()).toBe(0)
+    expect(compactEvents(session).map(event => event.type)).toEqual(['compact/start'])
+  })
+
+  it('rejects a selected span whose pricing changed during summarization', async () => {
+    const { ctx, compact } = detachedService()
+    const session = closedConversation(2)
+    const agent = fakeAgent(session, () => () => undefined)
+    const meter = ctx.tokenMeter
+    const original = meter.measure.bind(meter)
+    compact.duringSummary = () => {
+      vi.spyOn(meter, 'measure').mockImplementationOnce((target) => {
+        const measurement = original(target)
+        return {
+          ...measurement,
+          nodes: measurement.nodes.map((node, index) =>
+            index === 0 ? { ...node, tokens: node.tokens + 1 } : node),
+        }
+      })
+    }
+
+    expect((await rejection(compact.compactNow(agent, SIGNAL))).code).toBe('changed')
+    vi.restoreAllMocks()
+  })
+
+  it('classifies a commit-body failure and still releases admission', async () => {
+    const { compact } = detachedService()
+    const session = closedConversation(2)
+    let released = 0
+    const agent = fakeAgent(session, () => () => { released += 1 })
+    const append = session.append.bind(session)
+    vi.spyOn(session, 'append').mockImplementation(((type: string, ...rest: never[]) => {
+      if (type === 'compact/summary') throw new Error('provenance rejected')
+      return (append as (...args: never[]) => unknown)(type as never, ...rest)
+    }) as never)
+
+    const error = await rejection(compact.compactNow(agent, SIGNAL))
+    vi.restoreAllMocks()
+    expect(error.code).toBe('commit')
+    expect(released).toBe(1)
+    const end = session.events.findLast(event => event.type === 'compact/end')
+    expect(end?.type === 'compact/end' && end.data.error).toContain('provenance rejected')
+    expect(end?.type === 'compact/end' && end.data.turn).toBeNull()
+  })
+
+  it('keeps a commit failure when the durability checkpoint also fails', async () => {
+    const { ctx, compact } = detachedService()
+    const session = closedConversation(2)
+    const agent = fakeAgent(session, () => () => undefined)
+    const append = session.append.bind(session)
+    vi.spyOn(session, 'append').mockImplementation(((type: string, ...rest: never[]) => {
+      if (type === 'compact/summary') throw new Error('provenance rejected')
+      return (append as (...args: never[]) => unknown)(type as never, ...rest)
+    }) as never)
+    vi.spyOn(ctx.sessions, 'flush').mockRejectedValueOnce(new Error('disk full'))
+
+    const error = await rejection(compact.compactNow(agent, SIGNAL))
+    expect(error.code).toBe('commit')
+    expect(causeOf(error).message).toBe('provenance rejected')
+    vi.restoreAllMocks()
+  })
+
+  it('compacts a session with no durable turn boundary without creating one', async () => {
+    const { compact } = detachedService()
+    const session = new Session(SessionId('turnless'))
+    for (const text of [PROMPT, 'recent tail']) {
+      session.append('user/message', createUserMessage({
+        content: [{ type: 'text', text }],
+        source: { kind: 'user' },
+      }), { surfaceOp: 'append' })
+    }
+    const agent = fakeAgent(session, () => () => undefined)
+
+    const result = await compact.compactNow(agent, SIGNAL)
+
+    expect(result).not.toBeNull()
+    expect(session.events.some(event => event.type === 'turn/start')).toBe(false)
+    expect(session.events.find(event => event.type === 'compact/start')?.data)
+      .toEqual({ turn: null })
+  })
+
+  it('classifies a durability failure after the standalone bracket committed', async () => {
+    const { ctx, compact } = detachedService()
+    const session = closedConversation(2)
+    const agent = fakeAgent(session, () => () => undefined)
+    vi.spyOn(ctx.sessions, 'flush').mockRejectedValueOnce(new Error('disk full'))
+
+    expect((await rejection(compact.compactNow(agent, SIGNAL))).code).toBe('persistence')
+    vi.restoreAllMocks()
+    expect(session.events.some(event => event.type === 'compact/summary')).toBe(true)
+    expect(session.events.findLast(event => event.type === 'compact/end')?.data)
+      .toEqual({ turn: null })
+  })
+
+  it('lets a pre-aborted signal win before reservation, measurement, or summarization', async () => {
+    const cases = [
+      { name: 'busy', session: closedConversation(2), release: undefined },
+      { name: 'empty', session: new Session(SessionId('pre-aborted-empty')), release: () => undefined },
+      { name: 'compactable', session: closedConversation(2, 9), release: () => undefined },
+    ] as const
+
+    for (const testCase of cases) {
+      const { ctx, compact } = detachedService()
+      const reserve = vi.fn(() => testCase.release)
+      const measure = vi.spyOn(ctx.tokenMeter, 'measure')
+      const agent = fakeAgent(testCase.session, reserve)
+      const before = [...testCase.session.events]
+      const reason = Object.freeze({ kind: 'cancelled', case: testCase.name })
+      const controller = new AbortController()
+      controller.abort(reason)
+
+      await expect(compact.compactNow(agent, controller.signal)).rejects.toBe(reason)
+      expect(reserve).not.toHaveBeenCalled()
+      expect(measure).not.toHaveBeenCalled()
+      expect(compact.calls).toHaveLength(0)
+      expect(testCase.session.events).toEqual(before)
+      vi.restoreAllMocks()
+    }
+  })
+
+  it('preserves the exact cancellation reason when the summarizer also rejects', async () => {
+    const { compact, flushes } = detachedService()
+    const controller = new AbortController()
+    const reason = new Error('cancelled by the caller')
+    let released = 0
+    const session = closedConversation(2)
+    const agent = fakeAgent(session, () => () => { released += 1 })
+    compact.duringSummary = () => { controller.abort(reason) }
+    compact.error = new Error('summarizer aborted')
+
+    await expect(compact.compactNow(agent, controller.signal)).rejects.toBe(reason)
+    expect(released).toBe(1)
+    expect(flushes()).toBe(1)
+    const events = compactEvents(session)
+    expect(events.map(event => event.type)).toEqual(['compact/start', 'compact/end'])
+    expect(events[1]?.type === 'compact/end' && events[1].data.error)
+      .toContain('summarizer aborted')
+  })
+
+  it('aborts before committing when cancellation lands after summarization', async () => {
+    const { compact } = detachedService()
+    const controller = new AbortController()
+    const reason = new Error('cancelled by the caller')
+    const session = closedConversation(2)
+    const agent = fakeAgent(session, () => () => undefined)
+    compact.duringSummary = () => { controller.abort(reason) }
+
+    await expect(compact.compactNow(agent, controller.signal)).rejects.toBe(reason)
+    expect(compactEvents(session).map(event => event.type)).toEqual(['compact/start', 'compact/end'])
+    expect(session.events.some(event => event.type === 'compact/summary')).toBe(false)
+  })
+
+  it('waits for the durability checkpoint before cancellation wins and admission releases', async () => {
+    const { ctx, compact } = detachedService()
+    const controller = new AbortController()
+    const reason = new Error('cancelled during flush')
+    const flushGate = Promise.withResolvers<undefined>()
+    const flush = vi.spyOn(ctx.sessions, 'flush').mockReturnValueOnce(flushGate.promise)
+    const session = closedConversation(2)
+    let released = 0
+    const agent = fakeAgent(session, () => () => { released += 1 })
+
+    const running = compact.compactNow(agent, controller.signal)
+    let settled = false
+    void running.then(
+      () => { settled = true },
+      () => { settled = true },
+    )
+    await vi.waitFor(() => {
+      expect(flush).toHaveBeenCalledWith(session)
+    })
+    controller.abort(reason)
+    await Promise.resolve()
+    expect(settled).toBe(false)
+    expect(released).toBe(0)
+
+    flushGate.resolve(undefined)
+    await expect(running).rejects.toBe(reason)
+    expect(released).toBe(1)
+  })
+
+  it('preserves raw output and usage in the manual summary event', async () => {
+    const { compact } = detachedService()
+    const session = closedConversation(2)
+    const agent = fakeAgent(session, () => () => undefined)
+    compact.rawOutput = [
+      { type: 'text', text: 'checkpoint' },
+      { type: 'reasoning', text: 'hidden reasoning' },
+    ]
+    compact.usage = { inputTokens: 40, outputTokens: 5 }
+
+    await compact.compactNow(agent, SIGNAL)
+
+    const summary = session.events.find(event => event.type === 'compact/summary')
+    expect(summary?.type === 'compact/summary' && summary.data.rawOutput).toEqual(compact.rawOutput)
+    expect(summary?.type === 'compact/summary' && summary.data.usage).toEqual(compact.usage)
+  })
+
+  it('makes duration derivable from the opening and closing marker times', async () => {
+    const { compact } = detachedService()
+    const session = closedConversation(2)
+    const agent = fakeAgent(session, () => () => undefined)
+    compact.gate = new Promise<undefined>((resolve) => {
+      setTimeout(() => { resolve(undefined) }, 5)
+    })
+
+    await compact.compactNow(agent, SIGNAL)
+
+    const start = session.events.findLast(event => event.type === 'compact/start')
+    const end = session.events.findLast(event => event.type === 'compact/end')
+    expect(start).toBeDefined()
+    expect(end).toBeDefined()
+    expect(end!.time - start!.time).toBeGreaterThan(0)
+  })
+
+  it('excludes concurrent automatic and manual compaction of one session', async () => {
+    const { compact } = detachedService()
+    const session = closedConversation(3)
+    const agent = fakeAgent(session, () => () => undefined)
+    const gate = deferred()
+    compact.gate = gate.promise
+
+    const manual = compact.compactNow(agent, SIGNAL)
+    await Promise.resolve()
+    const nodes = session.surface.nodes
+    await expect(compact.compactRegion(
+      nodes[0]!,
+      nodes[1]!,
+      agent,
+    )).rejects.toThrow('compaction lock is already active')
+
+    gate.resolve()
+    compact.gate = undefined
+    const result: CompactionResult | null = await manual
+    expect(result).not.toBeNull()
+  })
+
+  it('excludes a manual request while an explicit region compaction runs', async () => {
+    const { compact } = detachedService()
+    const session = closedConversation(3)
+    session.append('turn/start', { turn: 4, trigger: { kind: 'message', source: { kind: 'user' } } })
+    const agent = fakeAgent(session, () => () => undefined)
+    const gate = deferred()
+    compact.gate = gate.promise
+    const nodes = session.surface.nodes
+    const region = compact.compactRegion(nodes[0]!, nodes[1]!, agent)
+    await Promise.resolve()
+
+    expect((await rejection(compact.compactNow(agent, SIGNAL))).code).toBe('busy')
+
+    gate.resolve()
+    compact.gate = undefined
+    await expect(region).resolves.toMatchObject({ shadowedSeqs: nodes.slice(0, 2) })
+  })
+})
diff --git a/packages/compact/compact/README.i18n.yaml b/packages/compact/compact/README.i18n.yaml
index 310abbb287..340fa308f5 100644
--- a/packages/compact/compact/README.i18n.yaml
+++ b/packages/compact/compact/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/compact/compact/README.md
-README.md: 17a5420ae9fa23ce4021b4d4927ae5b95962f979
-README.zh.md: 56624efad3c4ffacb61c1a2e199e0461afc57242
+README.md: cfb65f2a786dd58d38a7020a8caefeb3d7372f52
+README.zh.md: e069bea9ef40d2e1ba7beead5b76324cfd56b839
diff --git a/packages/compact/compact/README.md b/packages/compact/compact/README.md
index 17a5420ae9..cfb65f2a78 100644
--- a/packages/compact/compact/README.md
+++ b/packages/compact/compact/README.md
@@ -10,22 +10,25 @@ This package is the interface tier of the compaction capability, split so each c
 |---|---|
 | `@deepseek-ai/dsh-compact` (this) | the interface: abstract service + `compact/*` events + `CompactionResult` + canonical checkpoint source + tool-pairing boundary helpers |
 | `@deepseek-ai/dsh-compact-basic` | a backend: `ctx.tokenMeter` pressure + token-budget retention + `llm.stream()` summarization |
-| `@deepseek-ai/dsh-tool-compact` (deferred) | the model-facing `/compact` tool over `ctx.compact` |
+| `@deepseek-ai/dsh-command-compact` | the human `/compact` command over `ctx.compact.compactNow()` |
 
 Unlike the bash seam, this interface depends on `@deepseek-ai/dsh-session` and `@deepseek-ai/dsh-llm` — the contract's verbs are defined over a `Session` and its output is the `ContentBlock` vocabulary, so they cannot be expressed without naming those packages. That deviation from the "interface depends only on cordis" guidance is intentional and recorded in the [compaction capability-seam Agent Note](../../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md).
 
 ## Service API (`ctx.compact`)
 
-Both methods are **abstract** — the backend owns trigger policy, retention, event sequencing, and summarization. Reusable request measurement is a separate service, [`ctx.tokenMeter`](../../llm/token-meter/README.md), rather than part of this interface.
+All three operations are **abstract** — the backend owns trigger policy, retention, event sequencing, and summarization. Reusable request measurement is a separate service, [`ctx.tokenMeter`](../../llm/token-meter/README.md), rather than part of this interface.
 
 | Member | Semantics |
 |---|---|
 | `compactIfNeeded(agent, trigger, signal)` | Consider automatic compaction for `trigger: 'pressure' \| 'context-overflow'`. A pressure trigger may apply the backend's threshold and retained-tail policy; a confirmed overflow may force a useful balanced reduction. Returns the `CompactionResult`, or `null` when no safe range exists. A backend's summarization request is a direct `ctx.llm.stream()` call (not a loop step), so per-call interception happens at `llm/stream`. |
+| `compactNow(agent, signal)` | Explicitly compact one useful balanced older span even below automatic pressure. It synchronously reserves idle turn admission before yielding, writes nothing when no useful span exists, records a standalone `compact/* { turn: null }` attempt before summarization, and awaits its durability checkpoint before release. Expected operational failures use `ManualCompactionError`; cancellation rethrows the exact abort reason. |
 | `compactRegion(start, end, agent, signal?)` | Forcibly summarize surface nodes `[start, end]` (inclusive seqs) from `agent.session` into a single replacement node whose source is `COMPACT_CHECKPOINT_SOURCE`. **Throws** if a compaction is already in progress, if `start`/`end` aren't surface nodes, or if `start` is positioned after `end` on the surface. The range is a SURFACE-POSITION span, not a numeric seq interval — after a prior replace lands a fresh high-seq summary node at the shadowed range's position, surface order no longer tracks seq order. |
 
 `CompactionResult` keeps the raw summary and bookkeeping-event seqs available to callers alongside the shadowed range and token accounting; its drift-checked shape lives in the [compaction data-structure reference](../../../docs/core-data-structures/compaction.md#compactionresult).
 
-`compactIfNeeded` takes a required `signal`; `compactRegion`'s is optional. A backend that summarizes via `ctx.llm.stream()` **must** forward it into the call's `GenerateOptions.signal`, so an abort or fiber dispose tears down the in-flight summarization instead of leaving an orphaned model call running past the cancellation. The turn that the `compact/*` events belong to is recoverable from the owned session's log (the currently-open turn), so the backend stamps it from the log rather than trusting a caller-supplied value.
+`compactIfNeeded` and `compactNow` take a required `signal`; `compactRegion`'s is optional. A backend that summarizes via `ctx.llm.stream()` **must** forward it into the call's `GenerateOptions.signal`, so an abort or fiber dispose tears down the in-flight summarization. Automatic and explicit-region brackets recover their numeric owner from the currently open turn. Manual brackets require no open turn and stamp `turn: null`.
+
+`ManualCompactionError.code` is the closed set `busy | changed | summary | commit | persistence`. `changed` and `summary` mean the selected conversation surface was not replaced, but their failed attempt is still recorded in the session log. `commit` is deliberately neutral about partial mutation, and `persistence` means the in-memory bracket closed but its explicit flush failed.
 
 ## Tool-pairing boundaries
 
@@ -45,11 +48,15 @@ The private per-session cache is keyed by `session.surface.replaceGeneration` an
 
 The surface mutation (step 4) sits **inside** the lock bracket: `compact/end` is the last event, so the lock is never released before the mutation lands. A crash between `compact/start` and `compact/end` therefore leaves a detectable orphaned lock (a `compact/start` with no matching `compact/end`) rather than a `compact/end` that falsely claims compaction finished while the surface was never shadowed.
 
+The marker pair names lock acquisition and release, not an exclusive event container. An idle `inject()` may append unrelated context between a manual start and end while summarization is pending. Manual stability therefore revalidates the selected span rather than demanding whole-surface equality; the positional replacement leaves that injected context visible after the checkpoint. Automatic compaction keeps whole-surface equality inside its active turn.
+
 `deriveMessages()` then renders the summary as a user-role message followed by the retained nodes. The shadowed events remain in the raw log, so replay is deterministic.
 
 ## Blocking
 
-Compaction is serialized via a log-recorded lock: `compactRegion` refuses to start if the last `compact/start` has no matching `compact/end` after it. The lock is the log (not an in-memory mutex), so it survives replay and a persistence backend can detect an orphaned `compact/start` on reload. The lock brackets the **whole** operation — summarization, the `compact/summary` provenance record, *and* the `user/message` surface replacement all happen before `compact/end` — so a `session/event` listener firing on `compact/end` never observes the lock free while the surface mutation is still pending. The basic backend revalidates the selected surface after summarization: a surface change rejects, while an unrelated log-only append does not invalidate the replacement. `compact/end` is appended even when summarization throws, so a failure can never wedge the lock.
+Compaction is serialized by one log-recorded lock shared by all entry points. Tail inspection independently finds the latest unmatched `compact/start` and the newest `session/end-seed`. An unmatched start after that boundary is live and reports `busy`; an older unmatched start is stale evidence from a prior process lifecycle and does not block. The same end-seed transition clears the invariant companion's replay trace. A live bracket cannot cross a `turn/start` or `turn/end`; during adoption, repair boundaries in the inherited prefix remain replayable when the later end-seed proves their open bracket stale.
+
+The lock is the durable bracket, not a `WeakSet`, wrapper mutex, or client-side anchor. `compact/start` is appended synchronously before summarization yields. Every later failure makes exactly one `compact/end { error }` attempt; if that close append itself fails, the unmatched start remains the intentional busy signal and no flush is attempted. A successfully closed manual attempt is flushed even when it reports `changed` or `summary`, preserving the recorded attempt before turn admission is released.
 
 ## Events
 
@@ -57,7 +64,11 @@ The `compact/*` events extend `SessionEventMap` (merge-extensible) via declarati
 
 ## Implementing a backend
 
-Subclass `CompactService`, implement `compactIfNeeded` and `compactRegion`, and load the subclass as a plugin — it registers as `ctx.compact`. Every successful backend uses `COMPACT_CHECKPOINT_SOURCE` on its replacement user message; `isCompactCheckpointSource()` recognizes the marker after persistence or cloning without depending on backend identity. A template- or model-backed implementation can live as a sibling package without changing callers or the shared token meter.
+Subclass `CompactService`, implement `compactIfNeeded`, `compactNow`, and `compactRegion`, and load the subclass as a plugin — it registers as `ctx.compact`. Every successful backend uses `COMPACT_CHECKPOINT_SOURCE` on its replacement user message; `isCompactCheckpointSource()` recognizes the marker after persistence or cloning without depending on backend identity. A template- or model-backed implementation can live as a sibling package without changing callers or the shared token meter.
+
+## Recognizing a checkpoint outside the host program (`./checkpoint`)
+
+`COMPACT_CHECKPOINT_SOURCE` and `isCompactCheckpointSource()` are declared on the `@deepseek-ai/dsh-compact/checkpoint` subpath and re-exported from the root, so host-side consumers keep reading them from the root. The leaf imports no cordis and declares no module augmentation (the [`dsh-commands/brand`](../../ui/commands/README.md) shape), which is what lets a client or wire program name the checkpoint source: the package **root** cannot enter such a program at all, because it reaches `dsh-session`'s root and that `Context` merge declares the host `sessions` service against the client's own (`TS2717` — one program per side, per [development.md](../../../docs/development.md#typescript-project-layout)). The web client's transcript adapter pins its plugin literal to this leaf with a type-only import, so renaming the plugin id here is a compile error there.
 
 ## Model Experience
 
@@ -77,6 +88,6 @@ A successful backend replacement invalidates reuse from the first shadowed histo
 
 ## Known Limitations and Deferred Work
 
-- **No model-facing consumer tier yet** — `@deepseek-ai/dsh-tool-compact` (the `/compact` tool) is deferred; compaction is reachable only via direct `ctx.compact` calls or a backend's auto listener.
+- **Human command, not a model tool** — `@deepseek-ai/dsh-command-compact` exposes argument-free `/compact` through `ctx.commands`; no model-facing compaction tool is registered.
 - **Some single-unit overflow is out of contract** — balanced summary compaction cannot split one indivisible unit. The optional pruning companion can still repair a closed tool pair when text-bearing tool-result bulk is removable; a large non-tool node or a tool unit whose non-prunable remainder is oversized cannot be compacted.
 - **An envelope that alone approaches the window is not surface-compaction work** — compaction shrinks derived history, never the system prompt, tools, or session prefix.
diff --git a/packages/compact/compact/README.zh.md b/packages/compact/compact/README.zh.md
index 56624efad3..e069bea9ef 100644
--- a/packages/compact/compact/README.zh.md
+++ b/packages/compact/compact/README.zh.md
@@ -10,22 +10,25 @@
 |---|---|
 | `@deepseek-ai/dsh-compact`（本包） | 接口：抽象服务 + `compact/*` 事件 + `CompactionResult` + 规范检查点源 + 工具配对边界 helper |
 | `@deepseek-ai/dsh-compact-basic` | 后端：`ctx.tokenMeter` 压力 + token 预算保留 + `llm.stream()` 摘要 |
-| `@deepseek-ai/dsh-tool-compact`（暂缓） | 面向模型的 `/compact` 工具，基于 `ctx.compact` 实现 |
+| `@deepseek-ai/dsh-command-compact` | 面向用户的 `/compact` 命令，基于 `ctx.compact.compactNow()` 实现 |
 
 与 bash seam 不同，该接口依赖 `@deepseek-ai/dsh-session` 和 `@deepseek-ai/dsh-llm`。契约的动词基于 `Session` 定义，其输出使用 `ContentBlock` 词汇，因此无法在不指名这些包的情况下表达。这项对「接口只依赖 cordis」指引的偏离是有意的，并记录在 [压缩能力 seam Agent Note（agent 决策记录）](../../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md) 中。
 
 ## 服务 API（`ctx.compact`）
 
-两个方法都是**抽象方法**：触发策略、保留、事件顺序与摘要均属于后端。可复用的请求测量是独立服务 [`ctx.tokenMeter`](../../llm/token-meter/README.md)，而非本接口的一部分。
+三个操作都是**抽象方法**：触发策略、保留、事件顺序与摘要均属于后端。可复用的请求测量是独立服务 [`ctx.tokenMeter`](../../llm/token-meter/README.md)，而非本接口的一部分。
 
 | 成员 | 语义 |
 |---|---|
 | `compactIfNeeded(agent, trigger, signal)` | 根据 `trigger: 'pressure' \| 'context-overflow'` 判断是否需要自动压缩。压力触发可应用后端的阈值与保留尾部策略；已确认溢出可强制进行有效的平衡缩减。返回 `CompactionResult`，无安全范围时则返回 `null`。后端摘要请求是直接的 `ctx.llm.stream()` 调用（不是 agent loop 步骤），因此每次调用都可在 `llm/stream` 处拦截。 |
+| `compactNow(agent, signal)` | 即使未达到自动压力，也显式压缩一段有效、平衡的较早范围。该操作会在让出控制权前同步预留空闲轮次接纳；没有有效范围时不写入任何内容；在摘要前记录独立的 `compact/* { turn: null }` 尝试；释放预留前等待其持久性检查点。预期操作失败使用 `ManualCompactionError`；取消会原样重新抛出 abort 原因。 |
 | `compactRegion(start, end, agent, signal?)` | 强制将表层节点 `[start, end]`（包含两端 seq）从 `agent.session` 摘要为单个替换节点，其源为 `COMPACT_CHECKPOINT_SOURCE`。如果压缩已在进行、`start`／`end` 不是表层节点，或 `start` 在表层上位于 `end` 之后，则**抛出异常**。该范围是表层位置范围，不是数值 seq 区间：在之前的 replace 将新生成的高 seq 摘要节点放到已遮蔽范围的位置之后，表层顺序不再跟随 seq 顺序。 |
 
 `CompactionResult` 向调用方保留原始摘要与记录操作过程的事件 seq，同时保留已遮蔽范围与 token 计量；其结构由漂移检查保障，定义见 [压缩数据结构参考](../../../docs/core-data-structures/compaction.md#compactionresult)。
 
-`compactIfNeeded` 必须传入 `signal`；`compactRegion` 的该参数可选。通过 `ctx.llm.stream()` 摘要的后端**必须** 将它转发到调用的 `GenerateOptions.signal`，因此 abort 或 fiber dispose（资源释放） 会停止进行中的摘要，不会留下越过取消时点继续运行的遗留模型调用。可以从所拥有会话的日志（当前尚未结束的轮次）恢复 `compact/*` 事件所属轮次，因此后端从日志中标记该值，而不信任调用方提供的值。
+`compactIfNeeded` 和 `compactNow` 必须传入 `signal`；`compactRegion` 的该参数可选。通过 `ctx.llm.stream()` 摘要的后端**必须** 将它转发到调用的 `GenerateOptions.signal`，因此 abort 或 fiber dispose（资源释放）会停止进行中的摘要。自动和显式范围标记对会从当前打开的轮次恢复其数字形式归属。手动标记对不要求存在打开的轮次，并标记 `turn: null`。
+
+`ManualCompactionError.code` 是封闭集合 `busy | changed | summary | commit | persistence`。`changed` 和 `summary` 表示所选会话表层未被替换，但日志仍会记录失败尝试。`commit` 有意不判断是否发生了部分变更；`persistence` 表示内存中的 bracket 已闭合，但显式 flush 失败。
 
 ## 工具配对边界
 
@@ -45,11 +48,15 @@
 
 表层变更（第 4 步）位于锁的起止范围**内**：`compact/end` 是最后一个事件，因此表层变更落地前绝不会释放锁。如果在 `compact/start` 与 `compact/end` 之间崩溃，会留下可检测的遗留锁（一个 `compact/start` 没有匹配的 `compact/end`），而不是虚假声称压缩已完成、但表层从未被遮蔽的 `compact/end`。
 
+这对标记表示获取和释放锁的时间点，并非排他的事件容器。手动摘要等待期间，空闲的 `inject()` 可以在 start 与 end 之间追加不相关的上下文。因此，手动稳定性检查会重新验证所选 span，而不要求整个表层相等；位置替换会让该注入上下文在检查点之后保持可见。自动压缩则要求其活动轮次内的整个表层保持相等。
+
 `deriveMessages()` 随后将摘要渲染为 user 角色消息，再跟上已保留节点。已遮蔽事件仍保留在原始日志中，因此回放具有确定性。
 
 ## 阻塞
 
-压缩通过日志记录的锁串行化：`compactRegion` 会拒绝启动，条件是最后一个 `compact/start` 之后没有匹配的 `compact/end`。锁由日志记录（而非内存 mutex），因此回放后仍然有效，持久化后端也可以在重新加载时检测遗留 `compact/start`。锁会覆盖**整个**操作：摘要、`compact/summary` 溯源记录*以及* `user/message` 表层替换全部发生在 `compact/end` 之前，因此 `session/event` listener 即使在 `compact/end` 时触发，也绝不会看到锁已释放而表层变更仍在等待。基础后端会在摘要后重新验证已选表层：表层变更会导致拒绝，不相关的仅日志追加不会使替换失效。即使摘要抛出异常，也会追加 `compact/end`，因此失败绝不会将锁卡死。
+压缩由所有入口点共享的一个日志记录锁串行化。尾部检查会分别查找最新的未匹配 `compact/start` 和最新的 `session/end-seed`。位于该边界之后的未匹配 start 是活动锁并报告 `busy`；更早的未匹配 start 是先前进程生命周期留下的陈旧证据，不会阻塞。同一个 end-seed 转换会清除不变量配套组件的回放追踪状态。活动标记对不能跨越 `turn/start` 或 `turn/end`；在接管会话时，如果后续 end-seed 证明打开的标记对已经陈旧，则继承前缀中的修复边界仍可回放。
+
+锁就是持久标记对，而非 `WeakSet`、包装层 mutex 或客户端侧锚点。`compact/start` 会在摘要让出控制权之前同步追加。之后每次失败都会恰好尝试一次 `compact/end { error }`；如果追加该闭合事件本身失败，未匹配 start 会继续作为有意保留的 busy 信号，并且不会尝试 flush。已成功闭合的手动尝试即使报告 `changed` 或 `summary` 也会 flush，从而在释放轮次接纳预留前保留该记录。
 
 ## 事件
 
@@ -57,7 +64,11 @@
 
 ## 实现后端
 
-继承 `CompactService`，实现 `compactIfNeeded` 与 `compactRegion`，再将子类作为插件加载：它会注册为 `ctx.compact`。每个成功后端都在替换 user 消息上使用 `COMPACT_CHECKPOINT_SOURCE`；`isCompactCheckpointSource()` 可在持久化或克隆后识别该标记，无需依赖后端身份。基于模板或模型的实现可以放在同级包中，不需更改调用方或共享 token meter。
+继承 `CompactService`，实现 `compactIfNeeded`、`compactNow` 与 `compactRegion`，再将子类作为插件加载：它会注册为 `ctx.compact`。每个成功后端都在替换 user 消息上使用 `COMPACT_CHECKPOINT_SOURCE`；`isCompactCheckpointSource()` 可在持久化或克隆后识别该标记，无需依赖后端身份。基于模板或模型的实现可以放在同级包中，不需更改调用方或共享 token meter。
+
+## 在 host 程序之外识别检查点（`./checkpoint`）
+
+`COMPACT_CHECKPOINT_SOURCE` 与 `isCompactCheckpointSource()` 声明在 `@deepseek-ai/dsh-compact/checkpoint` 子路径上，并由包根重新导出，因此 host 侧消费方仍从根读取它们。该叶子不导入 cordis、也不声明任何模块增强（即 [`dsh-commands/brand`](../../ui/commands/README.md) 的形状），这正是客户端或 wire 程序能够命名该检查点来源的原因：包的**根**根本无法进入这类程序，因为它会到达 `dsh-session` 的根，而那处 `Context` 合并会让 host 的 `sessions` 服务与客户端自己的冲突（`TS2717`——每侧一个程序，见 [development.md](../../../docs/development.md#typescript-project-layout)）。Web 客户端的对话记录适配器用仅类型导入把它的插件字面量钉在该叶子上，因此在此处改插件 id 会让那边编译失败。
 
 ## 模型体验
 
@@ -77,6 +88,6 @@
 
 ## 已知限制与暂缓事项
 
-- **尚无面向模型的消费方层**：`@deepseek-ai/dsh-tool-compact`（`/compact` 工具）已暂缓；只能通过直接 `ctx.compact` 调用或后端的自动 listener 进行压缩。
+- **面向用户的命令，而非模型工具**：`@deepseek-ai/dsh-command-compact` 通过 `ctx.commands` 暴露无参数 `/compact`；不会注册面向模型的压缩工具。
 - **部分单元溢出不在契约内**：平衡摘要压缩无法拆分一个不可分单元。当闭合工具对中可移除的主要部分是承载文本的工具结果时，可选剪枝配套服务仍可修复该工具对；无法压缩大型非工具节点，或不可剪枝剩余部分过大的工具单元。
 - **单独接近窗口大小的 envelope 不属于表层压缩工作**：压缩缩减派生历史，绝不缩减系统提示词、工具或会话前缀。
diff --git a/packages/compact/compact/package.json b/packages/compact/compact/package.json
index 135c688507..f0874990a3 100644
--- a/packages/compact/compact/package.json
+++ b/packages/compact/compact/package.json
@@ -15,12 +15,17 @@
       "types": "./lib/types/invariant.d.ts",
       "default": "./lib/invariant.js"
     },
+    "./checkpoint": {
+      "types": "./lib/types/checkpoint.d.ts",
+      "default": "./lib/types/checkpoint.js"
+    },
     "./src/*": "./src/*",
     "./package.json": "./package.json"
   },
   "files": [
     "lib/index.js",
     "lib/invariant.js",
+    "lib/types/**/*.js",
     "lib/types/**/*.d.ts",
     "lib/types/**/*.d.ts.map",
     "src"
diff --git a/packages/compact/compact/src/checkpoint.ts b/packages/compact/compact/src/checkpoint.ts
new file mode 100644
index 0000000000..9d8b98e4d6
--- /dev/null
+++ b/packages/compact/compact/src/checkpoint.ts
@@ -0,0 +1,27 @@
+/**
+ * The compaction seam's canonical checkpoint source: the plugin marker every
+ * backend stamps on the replacement user message that lands a checkpoint, plus
+ * the predicate that recognizes it.
+ *
+ * The seam itself lives in `@deepseek-ai/dsh-compact`, which re-exports both of
+ * these; this module is a pure value/predicate outlet (no cordis imports, no
+ * module augmentation) so client and wire programs can name the checkpoint
+ * source without loading the host plugin's Context merges — the
+ * `dsh-commands/brand` shape.
+ *
+ * @module @deepseek-ai/dsh-compact/checkpoint
+ */
+
+import type { MessageSource } from '@deepseek-ai/dsh-llm/message'
+
+/** Canonical source for the replacement user message produced by every compaction backend. */
+export const COMPACT_CHECKPOINT_SOURCE = Object.freeze({ kind: 'plugin', plugin: 'compact' } as const)
+
+/**
+ * Test whether a persisted message source identifies a compaction checkpoint.
+ * @param source - source restored from a surface user message.
+ * @returns whether the source carries the backend-independent checkpoint marker.
+ */
+export function isCompactCheckpointSource(source: MessageSource): boolean {
+  return source.kind === 'plugin' && source.plugin === COMPACT_CHECKPOINT_SOURCE.plugin
+}
diff --git a/packages/compact/compact/src/index.ts b/packages/compact/compact/src/index.ts
index 2988a0b780..ecc00597b2 100644
--- a/packages/compact/compact/src/index.ts
+++ b/packages/compact/compact/src/index.ts
@@ -8,34 +8,60 @@
  */
 
 import { Context, Service } from 'cordis'
-import type { MessageSource } from '@deepseek-ai/dsh-llm'
 import type { Session } from '@deepseek-ai/dsh-session'
 import type { CompactionResult } from './types.ts'
 
 export type { CompactionResult } from './types.ts'
 export { toolPairingBalancedAfter, toolPairingBalancedBefore } from './tool-pairing.ts'
-
-/** Canonical source for the replacement user message produced by every compaction backend. */
-export const COMPACT_CHECKPOINT_SOURCE = Object.freeze({ kind: 'plugin', plugin: 'compact' } as const)
-
-/**
- * Test whether a persisted message source identifies a compaction checkpoint.
- * @param source - source restored from a surface user message.
- * @returns whether the source carries the backend-independent checkpoint marker.
- */
-export function isCompactCheckpointSource(source: MessageSource): boolean {
-  return source.kind === 'plugin' && source.plugin === COMPACT_CHECKPOINT_SOURCE.plugin
-}
+// The checkpoint source and its predicate are declared on the cordis-free
+// `./checkpoint` leaf so client and wire programs can name them without this
+// root's Context merge; the root stays the host-side entry point for both.
+export { COMPACT_CHECKPOINT_SOURCE, isCompactCheckpointSource } from './checkpoint.ts'
 
 /** Why automatic policy is asking a backend to consider compaction. */
 export type CompactionTrigger = 'pressure' | 'context-overflow'
 
+/** Expected failure classes for an explicit idle-session compaction request. */
+export type ManualCompactionErrorCode = 'busy' | 'changed' | 'summary' | 'commit' | 'persistence'
+
+/**
+ * Expected manual-compaction failure suitable for a direct human-command result.
+ * Shared durable-lock entry assertions may also throw the `busy` subtype from
+ * automatic compaction paths.
+ */
+export class ManualCompactionError extends Error {
+  override readonly name = 'ManualCompactionError'
+
+  /**
+   * Create one classified compaction failure.
+   * @param code - stable failure class; `busy` may originate from any compaction entry path.
+   * @param message - backend diagnostic retained as the Error message.
+   * @param options - optional original failure.
+   */
+  constructor(
+    readonly code: ManualCompactionErrorCode,
+    message: string,
+    options?: ErrorOptions,
+  ) {
+    super(message, options)
+  }
+}
+
 /** Minimal agent context compaction needs without depending on the agent package. */
 export interface CompactAgentContext {
   session: Session
   options: { provider?: string; model?: string }
 }
 
+/**
+ * Agent capability required to serialize an explicit idle-session compaction
+ * against driver turns. The durable `compact/start` marker separately excludes
+ * other compaction transactions.
+ */
+export interface ManualCompactAgentContext extends CompactAgentContext {
+  reserveTurnAdmission(): (() => void) | undefined
+}
+
 declare module 'cordis' {
   interface Context {
     compact: CompactService
@@ -74,6 +100,29 @@ export abstract class CompactService extends Service {
     signal: AbortSignal,
   ): Promise<CompactionResult | null>
 
+  /**
+   * Explicitly compact useful history even below automatic pressure thresholds.
+   * Implementations reserve idle turn admission synchronously before any
+   * asynchronous work, select a useful range without writing on a no-op, then
+   * append a standalone `compact/start` before summarization. That durable
+   * marker is the compaction lock until one `compact/end` attempt. Later waking
+   * prompts remain accepted in FIFO order and start only after the optional
+   * durability checkpoint and admission release. Context injected while the
+   * summary runs may sit between the marker pair; only the selected span must
+   * remain stable.
+   *
+   * @param agent - idle agent whose durable history should be compacted.
+   * @param signal - command-owned cancellation forwarded to summarization.
+   * @returns the compaction result, or `null` when no safe useful range exists.
+   * @throws {@link ManualCompactionError} for expected busy, changed-span,
+   * summarization/shrink, commit-stage, or persistence failures, and the exact
+   * abort reason when cancelled. Failed attempts remain visible in the log.
+   */
+  abstract compactNow(
+    agent: ManualCompactAgentContext,
+    signal: AbortSignal,
+  ): Promise<CompactionResult | null>
+
   /**
    * Forcibly compact a range of surface nodes into a single summary node.
    * `start` and `end` name an inclusive span by surface position, not numeric seq
diff --git a/packages/compact/compact/src/invariant.ts b/packages/compact/compact/src/invariant.ts
index 7dd06722e8..221d5aae09 100644
--- a/packages/compact/compact/src/invariant.ts
+++ b/packages/compact/compact/src/invariant.ts
@@ -13,7 +13,8 @@ export const name = 'compact-invariant'
 export const inject = ['invariants']
 
 interface CompactionTrace {
-  turn: number
+  startSeq: number
+  turn: number | null
   summarized: boolean
 }
 
@@ -23,9 +24,73 @@ interface SessionTrace {
 }
 
 type CompactionTransition =
-  | { kind: 'start'; turn: number }
-  | { kind: 'summary'; turn: number }
+  | { kind: 'start'; startSeq: number; turn: number | null }
+  | { kind: 'summary'; startSeq: number; turn: number | null }
   | { kind: 'end' }
+  | { kind: 'end-seed' }
+
+/** Compaction starts still unmatched when a later seed boundary made them stale. */
+function inheritedOrphanStartSeqs(
+  events: readonly SessionEvent[],
+): ReadonlySet<number> {
+  const stale = new Set<number>()
+  let openStartSeq: number | undefined
+  for (const event of events) {
+    if (event.type === 'compact/start') {
+      openStartSeq = event.seq
+    } else if (event.type === 'compact/end') {
+      openStartSeq = undefined
+    } else if (event.type === 'session/end-seed') {
+      if (openStartSeq !== undefined) stale.add(openStartSeq)
+      openStartSeq = undefined
+    }
+  }
+  return stale
+}
+
+/** Keep every live compaction bracket on one side of each turn boundary. */
+function validateTurnBoundary(
+  trace: SessionTrace,
+  event: SessionEvent,
+  fail: InvariantFailure,
+): void {
+  if (
+    (event.type !== 'turn/start' && event.type !== 'turn/end')
+    || trace.compaction === undefined
+  ) return
+  const owner = trace.compaction.turn === null
+    ? 'standalone compaction'
+    : `compaction for turn ${trace.compaction.turn}`
+  fail(`${event.type} cannot cross an open ${owner}`)
+}
+
+/** Advance the committed turn cursor after its boundary has been accepted. */
+function applyTurnBoundary(trace: SessionTrace, event: SessionEvent): boolean {
+  if (event.type === 'turn/start') {
+    trace.openTurn = event.data.turn
+    return true
+  }
+  if (event.type === 'turn/end') {
+    trace.openTurn = null
+    return true
+  }
+  return false
+}
+
+/** Require a numbered bracket inside its exact turn, or a standalone bracket between turns. */
+function validateOwner(
+  owner: number | null,
+  openTurn: number | null,
+  eventType: 'compact/start' | 'compact/summary' | 'compact/end',
+  fail: InvariantFailure,
+): void {
+  if (owner === null) {
+    if (openTurn !== null) fail(`${eventType} is standalone but turn ${openTurn} is open`)
+    return
+  }
+  if (openTurn === null) fail(`${eventType} for turn ${owner} appended outside any open turn`)
+  if (owner !== openTurn) fail(`${eventType} names turn ${owner} but open turn is ${openTurn}`)
+}
 
 /** Validate one compaction event without advancing committed trace state. */
 function validateCompactionEvent(
@@ -33,23 +98,22 @@ function validateCompactionEvent(
   event: SessionEvent,
   fail: InvariantFailure,
 ): CompactionTransition | undefined {
+  if (event.type === 'session/end-seed') return { kind: 'end-seed' }
   if (event.type !== 'compact/start' && event.type !== 'compact/summary' && event.type !== 'compact/end') {
     return undefined
   }
-  if (trace.openTurn === null) fail(`${event.type} appended outside any open turn`)
   const open = trace.compaction
   if (event.type === 'compact/start') {
-    if (open !== undefined) fail(`compact/start for turn ${event.data.turn} while turn ${open.turn} is still compacting`)
-    if (event.data.turn !== trace.openTurn) {
-      fail(`compact/start names turn ${event.data.turn} but open turn is ${trace.openTurn}`)
+    if (open !== undefined) {
+      const owner = open.turn === null ? 'standalone compaction' : `turn ${open.turn}`
+      fail(`compact/start while ${owner} is still compacting`)
     }
-    return { kind: 'start', turn: event.data.turn }
+    validateOwner(event.data.turn, trace.openTurn, event.type, fail)
+    return { kind: 'start', startSeq: event.seq, turn: event.data.turn }
   }
   if (event.type === 'compact/summary') {
     if (open === undefined) fail('compact/summary has no matching compact/start')
-    if (open.turn !== trace.openTurn) {
-      fail(`compact/summary belongs to turn ${open.turn} but open turn is ${trace.openTurn}`)
-    }
+    validateOwner(open.turn, trace.openTurn, event.type, fail)
     if (open.summarized) fail('compact/summary repeated within one compaction')
     const seqs = event.data.shadowedSeqs
     if (seqs.length === 0) fail('compact/summary shadowedSeqs must be non-empty')
@@ -59,15 +123,13 @@ function validateCompactionEvent(
     if (!Number.isSafeInteger(event.data.shadowedTokenCount) || event.data.shadowedTokenCount < 0) {
       fail('compact/summary shadowedTokenCount must be a non-negative safe integer')
     }
-    return { kind: 'summary', turn: open.turn }
+    return { kind: 'summary', startSeq: open.startSeq, turn: open.turn }
   }
   if (open === undefined) fail('compact/end has no matching compact/start')
   if (event.data.turn !== open.turn) {
-    fail(`compact/end turn ${event.data.turn} does not match compact/start turn ${open.turn}`)
-  }
-  if (event.data.turn !== trace.openTurn) {
-    fail(`compact/end names turn ${event.data.turn} but open turn is ${trace.openTurn}`)
+    fail(`compact/end owner ${String(event.data.turn)} does not match compact/start owner ${String(open.turn)}`)
   }
+  validateOwner(open.turn, trace.openTurn, event.type, fail)
   if (event.data.error === undefined && !open.summarized) {
     fail('successful compact/end requires one compact/summary')
   }
@@ -78,8 +140,20 @@ function validateCompactionEvent(
 function applyCompactionTransition(
   transition: CompactionTransition,
 ): CompactionTrace | undefined {
-  if (transition.kind === 'start') return { turn: transition.turn, summarized: false }
-  if (transition.kind === 'summary') return { turn: transition.turn, summarized: true }
+  if (transition.kind === 'start') {
+    return {
+      startSeq: transition.startSeq,
+      turn: transition.turn,
+      summarized: false,
+    }
+  }
+  if (transition.kind === 'summary') {
+    return {
+      startSeq: transition.startSeq,
+      turn: transition.turn,
+      summarized: true,
+    }
+  }
   return undefined
 }
 
@@ -92,11 +166,20 @@ const install: InvariantInstaller = Object.assign((ctx: Context, fail: Invariant
   const seed = (session: Session): SessionTrace => {
     const trace: SessionTrace = { openTurn: null, compaction: undefined }
     traces.set(session, trace)
+    const staleOrphanStartSeqs = inheritedOrphanStartSeqs(session.events)
     for (const event of session.events) {
-      if (event.type === 'turn/start') trace.openTurn = event.data.turn
-      else if (event.type === 'turn/end') trace.openTurn = null
+      // Constructor-seed repair boundaries can precede the end-seed marker
+      // that proves an inherited orphan stale. Replay that inherited prefix
+      // without letting the soon-to-be-cleared bracket veto its repair.
+      if (
+        trace.compaction === undefined
+        || !staleOrphanStartSeqs.has(trace.compaction.startSeq)
+      ) {
+        validateTurnBoundary(trace, event, fail)
+      }
       const transition = validateCompactionEvent(trace, event, fail)
       if (transition !== undefined) trace.compaction = applyCompactionTransition(transition)
+      applyTurnBoundary(trace, event)
     }
     return trace
   }
@@ -106,15 +189,12 @@ const install: InvariantInstaller = Object.assign((ctx: Context, fail: Invariant
   ctx.on('session/created', (session) => { seed(session) }, { global: true })
   ctx.on('session/event', (session, event) => {
     const trace = traceFor(session)
-    if (event.type === 'turn/start') {
-      trace.openTurn = event.data.turn
-      return
-    }
-    if (event.type === 'turn/end') {
-      trace.openTurn = null
-      return
-    }
-    if (event.type !== 'compact/start' && event.type !== 'compact/summary' && event.type !== 'compact/end') return
+    validateTurnBoundary(trace, event, fail)
+    if (applyTurnBoundary(trace, event)) return
+    if (event.type !== 'session/end-seed'
+      && event.type !== 'compact/start'
+      && event.type !== 'compact/summary'
+      && event.type !== 'compact/end') return
     const candidate = staged.get(event)
     /* v8 ignore next -- internal/dispatch stages every compaction event */
     if (candidate === undefined || candidate.session !== session) return fail('compaction event published without pre-commit validation')
@@ -124,7 +204,9 @@ const install: InvariantInstaller = Object.assign((ctx: Context, fail: Invariant
   ctx.on('internal/dispatch', (_mode, eventName, args) => {
     if (eventName !== 'session/event') return
     const [session, event] = args as [Session, SessionEvent]
-    const transition = validateCompactionEvent(traceFor(session), event, fail)
+    const trace = traceFor(session)
+    validateTurnBoundary(trace, event, fail)
+    const transition = validateCompactionEvent(trace, event, fail)
     if (transition !== undefined) staged.set(event, { session, transition })
   }, { global: true })
 }, { inject: ['sessions'] })
diff --git a/packages/compact/compact/src/types.ts b/packages/compact/compact/src/types.ts
index b77735b229..173366bc4b 100644
--- a/packages/compact/compact/src/types.ts
+++ b/packages/compact/compact/src/types.ts
@@ -11,8 +11,12 @@ import type { ContentBlock, TokenUsage } from '@deepseek-ai/dsh-llm'
 
 declare module '@deepseek-ai/dsh-session' {
   interface SessionEventMap {
-    /** Marks the start of a compaction — log-only, holds the lock until `compact/end`. */
-    'compact/start': { turn: number }
+    /**
+     * Marks the start of a compaction — log-only, holds the lock until
+     * `compact/end`. A numbered owner is strictly enclosed by that open turn;
+     * `null` identifies a standalone manual transaction between turns.
+     */
+    'compact/start': { turn: number | null }
     /**
      * Provenance record of a completed summarization — log-only, no surfaceOp.
      * The summary content is in `data.summary`; the actual surface replacement
@@ -40,8 +44,11 @@ declare module '@deepseek-ai/dsh-session' {
       /** Provider-reported token usage for the summarization request, when emitted. */
       usage?: TokenUsage
     }
-    /** Marks the end of a compaction — log-only, releases the lock. `error` set if summarization failed. */
-    'compact/end': { turn: number; error?: string }
+    /**
+     * Marks the end of a compaction — log-only, releases the lock. Its owner
+     * matches `compact/start`; `error` records an unsuccessful attempt.
+     */
+    'compact/end': { turn: number | null; error?: string }
   }
 }
 
diff --git a/packages/compact/compact/tests/compact.spec.ts b/packages/compact/compact/tests/compact.spec.ts
index 24f10a861b..38098c89b7 100644
--- a/packages/compact/compact/tests/compact.spec.ts
+++ b/packages/compact/compact/tests/compact.spec.ts
@@ -9,6 +9,7 @@ import {
 import type { CompactionResult, CompactionTrigger } from '@deepseek-ai/dsh-compact'
 import { Session, SessionId } from '@deepseek-ai/dsh-session'
 import type { CompactAgentContext } from '@deepseek-ai/dsh-compact'
+import type { ManualCompactAgentContext } from '@deepseek-ai/dsh-compact'
 
 /**
  * A trivial concrete CompactService implementing the abstract contract. The
@@ -29,6 +30,14 @@ class StubCompactService extends CompactService {
     return null
   }
 
+  override async compactNow(
+    _agent: ManualCompactAgentContext,
+    signal: AbortSignal,
+  ): Promise<CompactionResult | null> {
+    this.lastSignal = signal
+    return null
+  }
+
   override async compactRegion(
     start: number,
     end: number,
@@ -98,6 +107,12 @@ describe('CompactService seam', () => {
     const svc = new StubCompactService(ctx)
     const session = new Session(SessionId('s'))
     expect(await svc.compactIfNeeded(stubAgent(session), 'pressure', new AbortController().signal)).toBeNull()
+    const signal = new AbortController().signal
+    expect(await svc.compactNow({
+      ...stubAgent(session),
+      reserveTurnAdmission: () => () => undefined,
+    }, signal)).toBeNull()
+    expect(svc.lastSignal).toBe(signal)
   })
 
   it('compact/* events merge into SessionEventMap and are log-only', async () => {
diff --git a/packages/compact/compact/tests/invariant.spec.ts b/packages/compact/compact/tests/invariant.spec.ts
index b4f6d258ba..9342fa193e 100644
--- a/packages/compact/compact/tests/invariant.spec.ts
+++ b/packages/compact/compact/tests/invariant.spec.ts
@@ -41,6 +41,103 @@ describe('compaction invariants', () => {
     failed.append('compact/end', { turn: 2, error: 'provider failed' })
   })
 
+  it('accepts standalone successful and failed compaction lifecycles between turns', async () => {
+    const ctx = await setup()
+    const success = ctx.sessions.create()
+    success.append('compact/start', { turn: null })
+    success.append('compact/summary', summary())
+    success.append('compact/end', { turn: null })
+
+    const failed = ctx.sessions.create()
+    failed.append('compact/start', { turn: null })
+    failed.append('compact/end', { turn: null, error: 'provider failed' })
+  })
+
+  it('clears an inherited open compaction trace at end-seed during replay', async () => {
+    const ctx = new Context()
+    await ctx.plugin(SessionStore)
+    const source = new Session(SessionId('stale-compaction-source'))
+    source.append('compact/start', { turn: null })
+    const replayed = ctx.sessions.create(SessionId('stale-compaction-replay'), {
+      seed: source.events,
+    })
+    expect(replayed.events.map(event => event.type))
+      .toEqual(['compact/start', 'session/end-seed'])
+
+    await ctx.plugin(InvariantService)
+    await ctx.plugin(CompactInvariant)
+
+    expect(() => {
+      replayed.append('compact/start', { turn: null })
+      replayed.append('compact/end', { turn: null, error: 'new attempt failed' })
+    }).not.toThrow()
+  })
+
+  it('allows repair turn boundaries after end-seed clears a seeded numbered orphan', async () => {
+    const ctx = new Context()
+    await ctx.plugin(SessionStore)
+    const source = new Session(SessionId('stale-numbered-compaction-source'))
+    startTurn(source)
+    source.append('compact/start', { turn: 1 })
+    const replayed = ctx.sessions.create(SessionId('stale-numbered-compaction-replay'), {
+      seed: source.events,
+    })
+    expect(replayed.events.map(event => event.type))
+      .toEqual(['turn/start', 'compact/start', 'session/end-seed'])
+
+    await ctx.plugin(InvariantService)
+    await ctx.plugin(CompactInvariant)
+
+    expect(() => replayed.append(
+      'turn/end',
+      { turn: 1, reason: { kind: 'interrupted' } },
+    )).not.toThrow()
+  })
+
+  it('accepts inherited repair boundaries before the end-seed that clears a standalone orphan', async () => {
+    const ctx = new Context()
+    await ctx.plugin(SessionStore)
+    const source = new Session(SessionId('stale-repaired-compaction-source'))
+    source.append('compact/start', { turn: null })
+    startTurn(source)
+    source.append('turn/end', { turn: 1, reason: { kind: 'interrupted' } })
+    const replayed = ctx.sessions.create(SessionId('stale-repaired-compaction-replay'), {
+      seed: source.events,
+    })
+    expect(replayed.events.map(event => event.type)).toEqual([
+      'compact/start',
+      'turn/start',
+      'turn/end',
+      'session/end-seed',
+    ])
+
+    await ctx.plugin(InvariantService)
+    await expect(ctx.plugin(CompactInvariant).then(() => undefined)).resolves.toBeUndefined()
+
+    expect(() => {
+      startTurn(replayed, 2)
+      replayed.append('turn/end', { turn: 2, reason: { kind: 'completed' } })
+    }).not.toThrow()
+  })
+
+  it('rejects a closed standalone bracket that contains a turn before end-seed', async () => {
+    const ctx = new Context()
+    await ctx.plugin(SessionStore)
+    const source = new Session(SessionId('closed-nested-compaction-source'))
+    source.append('compact/start', { turn: null })
+    startTurn(source)
+    source.append('turn/end', { turn: 1, reason: { kind: 'interrupted' } })
+    source.append('compact/end', { turn: null, error: 'failed after crossing turn' })
+    const replayed = ctx.sessions.create(SessionId('closed-nested-compaction-replay'), {
+      seed: source.events,
+    })
+    expect(replayed.events.at(-1)?.type).toBe('session/end-seed')
+
+    await ctx.plugin(InvariantService)
+    await expect(ctx.plugin(CompactInvariant).then(() => undefined))
+      .rejects.toThrow(/turn\/start cannot cross an open standalone compaction/)
+  })
+
   it('rebuilds an open trace when the companion loads after the session', async () => {
     const ctx = new Context()
     await ctx.plugin(SessionStore)
@@ -78,6 +175,26 @@ describe('compaction invariants', () => {
     expect(() => session.append('compact/start', { turn: 2 })).toThrow(/but open turn is 1/)
   })
 
+  it('rejects a standalone bracket while a turn is open and a numbered bracket between turns', async () => {
+    const ctx = await setup()
+    const open = ctx.sessions.create()
+    startTurn(open)
+    expect(() => open.append('compact/start', { turn: null }))
+      .toThrow(/standalone but turn 1 is open/)
+
+    const idle = ctx.sessions.create()
+    expect(() => idle.append('compact/start', { turn: 1 }))
+      .toThrow(/outside any open turn/)
+  })
+
+  it('attributes a nested standalone start to the standalone owner', async () => {
+    const ctx = await setup()
+    const session = ctx.sessions.create()
+    session.append('compact/start', { turn: null })
+    expect(() => session.append('compact/start', { turn: null }))
+      .toThrow(/standalone compaction is still compacting/)
+  })
+
   it('rejects an unenclosed compaction event when replaying an existing session', async () => {
     const ctx = new Context()
     await ctx.plugin(SessionStore)
@@ -89,23 +206,30 @@ describe('compaction invariants', () => {
     await expect(ctx.plugin(CompactInvariant).then(() => undefined)).rejects.toThrow(/outside any open turn/)
   })
 
-  it('rejects an open compaction that crosses into another turn', async () => {
+  it('rejects turn boundaries that cross live standalone or numbered compaction brackets', async () => {
     const ctx = await setup()
-    const summarySession = ctx.sessions.create()
-    startTurn(summarySession)
-    summarySession.append('compact/start', { turn: 1 })
-    summarySession.append('turn/end', { turn: 1, reason: { kind: 'completed' } })
-    startTurn(summarySession, 2)
-    expect(() => summarySession.append('compact/summary', summary()))
-      .toThrow(/belongs to turn 1 but open turn is 2/)
+    const standalone = ctx.sessions.create()
+    standalone.append('compact/start', { turn: null })
+    expect(() => { startTurn(standalone) })
+      .toThrow(/turn\/start cannot cross an open standalone compaction/)
+    standalone.append('compact/end', { turn: null, error: 'cancelled' })
+    expect(() => {
+      startTurn(standalone)
+      standalone.append('turn/end', { turn: 1, reason: { kind: 'completed' } })
+    }).not.toThrow()
 
-    const endSession = ctx.sessions.create()
-    startTurn(endSession)
-    endSession.append('compact/start', { turn: 1 })
-    endSession.append('turn/end', { turn: 1, reason: { kind: 'completed' } })
-    startTurn(endSession, 2)
-    expect(() => endSession.append('compact/end', { turn: 1, error: 'late' }))
-      .toThrow(/names turn 1 but open turn is 2/)
+    const numbered = ctx.sessions.create()
+    startTurn(numbered)
+    numbered.append('compact/start', { turn: 1 })
+    expect(() => numbered.append(
+      'turn/end',
+      { turn: 1, reason: { kind: 'completed' } },
+    )).toThrow(/turn\/end cannot cross an open compaction for turn 1/)
+    numbered.append('compact/end', { turn: 1, error: 'cancelled' })
+    expect(() => numbered.append(
+      'turn/end',
+      { turn: 1, reason: { kind: 'completed' } },
+    )).not.toThrow()
   })
 
   it.each([
diff --git a/packages/context/time-context/tests/time-context.spec.ts b/packages/context/time-context/tests/time-context.spec.ts
index 6e9caaf71e..99309d1db7 100644
--- a/packages/context/time-context/tests/time-context.spec.ts
+++ b/packages/context/time-context/tests/time-context.spec.ts
@@ -42,11 +42,14 @@ function sessionAgent(session: Session, id = 'agent'): Agent {
     session,
     inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
     status: 'running',
+    acceptsNextStep: true,
     ctx: new Context(),
     send: () => {},
     followup: () => {},
     steer: () => {},
     inject: () => { throw new Error('time-context must append directly to the open step') },
+    updateInbox: () => 'not-found',
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle: () => Promise.resolve(),
   }
diff --git a/packages/context/tmux-context/README.i18n.yaml b/packages/context/tmux-context/README.i18n.yaml
index 219d5567c6..8a1e88d20b 100644
--- a/packages/context/tmux-context/README.i18n.yaml
+++ b/packages/context/tmux-context/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/context/tmux-context/README.md
-README.md: 9e1afac16ecff0a026d9c20cba2e40ee5fad6792
-README.zh.md: d1ebdc140b0b71ed344ec918993d60e2510780e8
+README.md: 24cb31aa15227d77a8d8c45d719ebeab6b27e2a0
+README.zh.md: 8f4965c36c78899e36d1b1a234331c5ce52d8c5a
diff --git a/packages/context/tmux-context/README.md b/packages/context/tmux-context/README.md
index 9e1afac16e..24cb31aa15 100644
--- a/packages/context/tmux-context/README.md
+++ b/packages/context/tmux-context/README.md
@@ -2,7 +2,7 @@
 
 English | [中文](README.zh.md)
 
-Opt-in durable context naming the tmux session, window, and pane this agent process runs in, plus the window's pane-tree layout. Sampled once per turn during model-request preparation. `dsh-agent-spine-demo` and shipped examples do not mount it. Decision record: [the tmux-context Agent Note](../../../.agents/notes/implemented/feature/2026-07-27-tmux-location-context.md).
+Opt-in durable context naming the tmux session, window, and pane this agent process runs in, plus the window's pane-tree layout. Sampled once per turn during model-request preparation. The shipped TUI mounts it; `dsh-agent-spine-demo` and the Web/headless surfaces do not. Decision record: [the tmux-context Agent Note](../../../.agents/notes/implemented/feature/2026-07-27-tmux-location-context.md).
 
 ## Config
 
diff --git a/packages/context/tmux-context/README.zh.md b/packages/context/tmux-context/README.zh.md
index d1ebdc140b..8f4965c36c 100644
--- a/packages/context/tmux-context/README.zh.md
+++ b/packages/context/tmux-context/README.zh.md
@@ -2,7 +2,7 @@
 
 [English](README.md) | 中文
 
-可选启用的持久上下文，记录本 agent 进程所在的 tmux session、window、pane，以及该 window 的 pane 树布局。在准备模型请求时每轮采样一次。`dsh-agent-spine-demo` 与随附示例均不挂载它。决策记录见：[tmux-context Agent Note](../../../.agents/notes/implemented/feature/2026-07-27-tmux-location-context.md)。
+可选启用的持久上下文，记录本 agent 进程所在的 tmux session、window、pane，以及该 window 的 pane 树布局。在准备模型请求时每轮采样一次。已交付的 TUI 会挂载它；`dsh-agent-spine-demo` 与 Web／无头界面均不挂载。决策记录见：[tmux-context Agent Note](../../../.agents/notes/implemented/feature/2026-07-27-tmux-location-context.md)。
 
 ## 配置
 
diff --git a/packages/context/tmux-context/tests/tmux-context.spec.ts b/packages/context/tmux-context/tests/tmux-context.spec.ts
index 402f66a9e6..7a33cbfd8e 100644
--- a/packages/context/tmux-context/tests/tmux-context.spec.ts
+++ b/packages/context/tmux-context/tests/tmux-context.spec.ts
@@ -98,11 +98,14 @@ function sessionAgent(session: Session, id = 'agent'): Agent {
     session,
     inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
     status: 'running',
+    acceptsNextStep: true,
     ctx: new Context(),
     send: () => {},
     followup: () => {},
     steer: () => {},
     inject: () => { throw new Error('tmux-context must append directly to the open step') },
+    updateInbox: () => 'not-found',
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle: () => Promise.resolve(),
   }
diff --git a/packages/context/workspace-context/tests/workspace-context.spec.ts b/packages/context/workspace-context/tests/workspace-context.spec.ts
index e5b164e407..6e4f185f70 100644
--- a/packages/context/workspace-context/tests/workspace-context.spec.ts
+++ b/packages/context/workspace-context/tests/workspace-context.spec.ts
@@ -177,10 +177,13 @@ function stubAgent(cwd?: string, seed: SessionEvent[] = []): Agent {
     session,
     inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
     status: 'idle',
+    acceptsNextStep: false,
     send: () => {},
     followup: () => {},
     steer: () => {},
     inject: () => { throw new Error('workspace-context must append directly to the open step') },
+    updateInbox: () => 'not-found',
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle: () => Promise.resolve(),
   }
@@ -882,18 +885,7 @@ describe('workspace context request injection', () => {
   it('mounts without requiring a filesystem provider', async () => {
     const ctx = new Context()
     try {
-      const outcome = await Promise.race([
-        ctx.plugin(workspaceContext, { maxBytes: 65536 }).then(() => {
-          return 'settled' as const
-        }),
-        new Promise<'pending'>((resolve) => {
-          setTimeout(() => {
-            resolve('pending')
-          }, 50)
-        }),
-      ])
-
-      expect(outcome).toBe('settled')
+      await ctx.plugin(workspaceContext, { maxBytes: 65536 })
     } finally {
       await ctx.fiber.dispose()
     }
diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts
index 7cb86f7db3..61dfd228cc 100644
--- a/packages/cordis/tool-cordis/src/api-catalog.ts
+++ b/packages/cordis/tool-cordis/src/api-catalog.ts
@@ -258,6 +258,10 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [
         signature: 'abstract compactIfNeeded( agent: CompactAgentContext, trigger: CompactionTrigger, signal: AbortSignal, ): Promise<CompactionResult | null>',
         jsDoc: '/**\n * Consider automatic compaction for one explicit trigger. Pressure policy\n * uses the latest durable routed request, while context-overflow policy may\n * force a useful balanced reduction even below the normal threshold. Return\n * `null` when no safe range can be compacted. A single oversized retained\n * unit or request envelope cannot be repaired through surface compaction.\n *\n * @param agent - agent context owning the session surface and routing options.\n * @param trigger - normal pressure or provider-confirmed context overflow.\n * @param signal - cancellation signal; model-backed implementations must forward it.\n * @returns the compaction result, or `null` if no compaction was needed.\n */',
       },
+      {
+        signature: 'abstract compactNow( agent: ManualCompactAgentContext, signal: AbortSignal, ): Promise<CompactionResult | null>',
+        jsDoc: '/**\n * Explicitly compact useful history even below automatic pressure thresholds.\n * Implementations reserve idle turn admission synchronously before any\n * asynchronous work, select a useful range without writing on a no-op, then\n * append a standalone `compact/start` before summarization. That durable\n * marker is the compaction lock until one `compact/end` attempt. Later waking\n * prompts remain accepted in FIFO order and start only after the optional\n * durability checkpoint and admission release. Context injected while the\n * summary runs may sit between the marker pair; only the selected span must\n * remain stable.\n *\n * @param agent - idle agent whose durable history should be compacted.\n * @param signal - command-owned cancellation forwarded to summarization.\n * @returns the compaction result, or `null` when no safe useful range exists.\n * @throws {@link ManualCompactionError} for expected busy, changed-span,\n * summarization/shrink, commit-stage, or persistence failures, and the exact\n * abort reason when cancelled. Failed attempts remain visible in the log.\n */',
+      },
       {
         signature: 'abstract compactRegion( start: number, end: number, agent: CompactAgentContext, signal?: AbortSignal, ): Promise<CompactionResult>',
         jsDoc: '/**\n * Forcibly compact a range of surface nodes into a single summary node.\n * `start` and `end` name an inclusive span by surface position, not numeric seq\n * order; replacements can make visible seqs non-monotonic. Both edges must be\n * balanced so assistant tool calls remain paired with their results. A model-\n * backed implementation forwards cancellation and rejects active, missing,\n * reversed, or unbalanced ranges. The target session is `agent.session`.\n * Its replacement user message must use {@link COMPACT_CHECKPOINT_SOURCE}.\n * Use {@link toolPairingBalancedBefore} and {@link toolPairingBalancedAfter}\n * for the edge checks.\n *\n * @param start - first surface seq, inclusive.\n * @param end - last surface seq, inclusive.\n * @param agent - context whose session is mutated and whose routing options guide summarization.\n * @param signal - optional cancellation; model-backed implementations must forward it.\n * @throws when compaction is active or the range is missing, reversed, or unbalanced.\n * @returns the appended event seqs, summary, replaced range, and token accounting.\n */',
@@ -916,6 +920,10 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [
         signature: 'section(section: PromptSection): () => void',
         jsDoc: '/**\n * Register an ordered prompt section in the calling context\'s scope. A scoped\n * section shadows a global section with the same name; duplicates within one\n * layer and non-finite orders throw. Registration and disposal emit\n * `system-prompt/change`.\n * @param section - the section to register.\n * @returns the exact Cordis effect disposer.\n */',
       },
+      {
+        signature: 'context(context: PromptContext): () => void',
+        jsDoc: '/**\n * Register ordered cache-safe dynamic context in the calling context\'s scope.\n * A scoped context shadows a global context with the same name; duplicates\n * within one layer and non-finite orders throw. Registration and disposal\n * emit `system-prompt/change`.\n * @param context - the context contribution to register.\n * @returns the exact Cordis effect disposer.\n */',
+      },
       {
         signature: 'tools(provider: (context: AssembleContext) => ToolProviderResult): () => void',
         jsDoc: '/**\n * Register a tool-schema provider in the calling context\'s scope. Global and\n * matching scoped providers both contribute; returning the reserved\n * {@link TOOL_ORDER_REST} name makes assembly fail.\n * @param provider - evaluated for each assembly with its context.\n * @returns the exact Cordis effect disposer.\n */',
@@ -1148,7 +1156,7 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [
     methods: [
       {
         signature: 'async create(path: string, title?: string): Promise<Workspace>',
-        jsDoc: '/**\n * Create or reuse a workspace for an existing directory. The path is\n * canonicalized through `fs.realpath`; a nonexistent path rejects with the\n * original error and a non-directory rejects. Repeated calls for the same\n * canonical path return the existing entity without changing its title.\n * A newly created workspace is prepended to the durable registry order.\n * A different canonical path cannot create a duplicate display title.\n * @param path - Existing directory to own, in any path spelling.\n * @param title - Display title used only when a new record is created.\n * @returns the existing or newly durable workspace.\n */',
+        jsDoc: '/**\n * Create or reuse a workspace for an existing directory. The path is\n * canonicalized through `fs.realpath`; a nonexistent path rejects with the\n * original error and a non-directory rejects. Repeated calls for the same\n * canonical path return the existing entity without changing its title.\n * A newly created workspace is prepended to the durable registry order.\n * Different canonical paths may share a display title.\n * @param path - Existing directory to own, in any path spelling.\n * @param title - Display title used only when a new record is created.\n * @returns the existing or newly durable workspace.\n */',
       },
       {
         signature: 'get(id: WorkspaceId): Workspace | undefined',
@@ -1162,6 +1170,10 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [
         signature: 'delete(id: WorkspaceId): Promise<boolean>',
         jsDoc: '/**\n * Delete one workspace registration while retaining its directory and every\n * session log. The durable order is updated before the table deletion; a\n * failed table write restores the prior order and keeps the entity\n * published. Unknown ids are an idempotent no-op for domain callers.\n * @param id - Workspace registration to remove.\n * @returns `true` when a record was deleted, `false` when it was unknown.\n */',
       },
+      {
+        signature: 'archiveSession(sessionId: SessionId): Promise<void>',
+        jsDoc: '/**\n * Archive one session durably. The session must exist (live or in session\n * persistence); its workspace accounting — or lack of one — is irrelevant.\n * An already archived id resolves without writing.\n * @param sessionId - The session to archive.\n * @returns resolution after durability.\n */',
+      },
       {
         signature: 'async resolveByPath(path: string): Promise<Workspace | undefined>',
         jsDoc: '/**\n * Resolve by canonical directory path without creating or mutating a\n * workspace. A missing path rejects during `realpath`; an existing unowned\n * directory returns `undefined`.\n * @param path - Existing directory path in any spelling.\n * @returns the workspace owning the canonical path, when one exists.\n */',
@@ -1414,8 +1426,8 @@ export const EVENT_API: readonly EventApiEntry[] = [
     name: 'system-prompt/assemble',
     mode: 'waterfall',
     signature: '\'system-prompt/assemble\'(this: Scoped<SystemPrompt>, assembly: PromptAssembly, context: AssembleContext, next: () => Promise<PromptAssembly>): Promise<PromptAssembly>',
-    jsDoc: '/**\n * Expert waterfall over the assembled sections, tools, and variables.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): scoped listeners\n * receive only that scope\'s assemblies. The returned value is authoritative.\n * A supplied signal controls only this explicit assembly request and must not\n * be retained to control later turns.\n * @param assembly - the mutable assembly built from registered providers.\n * @param context - the caller\'s per-assembly context.\n * @mode waterfall\n */',
-    summary: 'Expert waterfall over the assembled sections, tools, and variables.',
+    jsDoc: '/**\n * Expert waterfall over the assembled sections, contexts, tools, and variables.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): scoped listeners\n * receive only that scope\'s assemblies. The returned value is authoritative.\n * A supplied signal controls only this explicit assembly request and must not\n * be retained to control later turns.\n * @param assembly - the mutable assembly built from registered providers.\n * @param context - the caller\'s per-assembly context.\n * @mode waterfall\n */',
+    summary: 'Expert waterfall over the assembled sections, contexts, tools, and variables.',
   },
   {
     name: 'system-prompt/change',
@@ -1525,7 +1537,7 @@ export const TYPE_API: readonly TypeApiEntry[] = [
   },
   {
     name: 'Agent',
-    declaration: 'export interface Agent {\n    readonly id: SessionId;\n    readonly options: AgentOptions;\n    readonly session: Session;\n    readonly inbox: Inbox;\n    readonly status: AgentStatus;\n    readonly ctx: Context;\n    cancel(cause: AgentCancelCause, options?: CancelOptions): void;\n    whenIdle(): Promise<void>;\n    send(message: UserMessage, target: InboxTarget, wakeup: boolean): void;\n    followup(message: UserMessage): void;\n    steer(message: UserMessage): void;\n    inject(message: UserMessage): void;\n}',
+    declaration: 'export interface Agent {\n    readonly id: SessionId;\n    readonly options: AgentOptions;\n    readonly session: Session;\n    readonly inbox: Inbox;\n    readonly status: AgentStatus;\n    readonly acceptsNextStep: boolean;\n    readonly ctx: Context;\n    send(message: UserMessage, target: InboxTarget, wakeup: boolean): void;\n    send(message: UserMessage, options: SendOptions): void;\n    reserveTurnAdmission(): (() => void) | undefined;\n    updateInbox(id: InboxItemId, action: InboxAction): InboxActionResult;\n    cancel(cause: AgentCancelCause, options?: CancelOptions): void;\n    whenIdle(): Promise<void>;\n    followup(message: UserMessage): void;\n    steer(message: UserMessage): void;\n    inject(message: UserMessage): void;\n}',
   },
   {
     name: 'AgentCancelCause',
@@ -1587,6 +1599,10 @@ export const TYPE_API: readonly TypeApiEntry[] = [
     name: 'AssembleContext',
     declaration: 'export interface AssembleContext {\n    scope?: ScopeKey;\n    signal?: AbortSignal;\n}',
   },
+  {
+    name: 'AssembledContext',
+    declaration: 'export interface AssembledContext {\n    name: string;\n    text: string;\n}',
+  },
   {
     name: 'AssembledSection',
     declaration: 'export interface AssembledSection {\n    name: string;\n    text: string;\n}',
@@ -2023,6 +2039,10 @@ export const TYPE_API: readonly TypeApiEntry[] = [
     name: 'LlmResolvedModelInfo',
     declaration: 'export interface LlmResolvedModelInfo extends LlmModelInfo {\n    context?: LlmModelContext;\n    defaultMaxTokens?: number;\n    reasoning?: LlmModelReasoningInfo;\n}',
   },
+  {
+    name: 'ManualCompactAgentContext',
+    declaration: 'export interface ManualCompactAgentContext extends CompactAgentContext {\n    reserveTurnAdmission(): (() => void) | undefined;\n}',
+  },
   {
     name: 'Message',
     declaration: 'export interface Message {\n    readonly id: MessageId;\n    readonly role: \'system\' | \'user\' | \'assistant\';\n    readonly content: ContentBlock[];\n    readonly source: MessageSource;\n}',
@@ -2053,7 +2073,7 @@ export const TYPE_API: readonly TypeApiEntry[] = [
   },
   {
     name: 'PreparedLlmCall',
-    declaration: 'export interface PreparedLlmCall {\n    readonly config: LlmCallConfig;\n    readonly retryPolicy: ResolvedRetryPolicy;\n    readonly adapterDefaults: LlmCallConfigAdapterDefaults;\n    stream(options: GenerateOptions): AsyncIterable<StreamChunk>;\n}',
+    declaration: 'export interface PreparedLlmCall {\n    readonly config: LlmCallConfig;\n    readonly retryPolicy: ResolvedRetryPolicy;\n    readonly context?: LlmModelContext;\n    readonly adapterDefaults: LlmCallConfigAdapterDefaults;\n    stream(options: GenerateOptions): AsyncIterable<StreamChunk>;\n}',
   },
   {
     name: 'PreparedReferencedMessage',
@@ -2089,7 +2109,11 @@ export const TYPE_API: readonly TypeApiEntry[] = [
   },
   {
     name: 'PromptAssembly',
-    declaration: 'export interface PromptAssembly {\n    sections: AssembledSection[];\n    tools: ToolSchema[];\n    variables: Record<string, string | undefined>;\n}',
+    declaration: 'export interface PromptAssembly {\n    sections: AssembledSection[];\n    contexts: AssembledContext[];\n    tools: ToolSchema[];\n    variables: Record<string, string | undefined>;\n}',
+  },
+  {
+    name: 'PromptContext',
+    declaration: 'export interface PromptContext {\n    readonly name: string;\n    readonly order: number;\n    readonly text: string | ((context: AssembleContext) => string);\n}',
   },
   {
     name: 'PromptSection',
@@ -2179,6 +2203,14 @@ export const TYPE_API: readonly TypeApiEntry[] = [
     name: 'PtyWaitReason',
     declaration: 'export type PtyWaitReason = \'stdin_read\' | \'inferred_idle\' | \'timeout\' | \'session_exit\';',
   },
+  {
+    name: 'ReadFileLine',
+    declaration: 'export interface ReadFileLine {\n    number: number;\n    text: string;\n}',
+  },
+  {
+    name: 'ReadResultView',
+    declaration: 'export interface ReadResultView {\n    card: \'read\';\n    title?: string;\n    path: string;\n    offset: number;\n    lines: ReadFileLine[];\n    totalLines: number;\n    lang?: string;\n    content?: ContentBlock[];\n}',
+  },
   {
     name: 'ReasoningBlock',
     declaration: 'export interface ReasoningBlock {\n    type: \'reasoning\';\n    text: string;\n}',
@@ -2191,6 +2223,10 @@ export const TYPE_API: readonly TypeApiEntry[] = [
     name: 'RedactedSecret',
     declaration: 'export interface RedactedSecret {\n    path: string[];\n    set: boolean;\n}',
   },
+  {
+    name: 'RequestContext',
+    declaration: 'export interface RequestContext {\n    provider: string;\n    model: string;\n    contextWindow?: number;\n}',
+  },
   {
     name: 'RequestHeaderReason',
     declaration: 'export type RequestHeaderReason = \'initial\' | \'resume\' | \'change\';',
@@ -2247,9 +2283,37 @@ export const TYPE_API: readonly TypeApiEntry[] = [
     name: 'ScopeKey',
     declaration: 'export type ScopeKey = object;',
   },
+  {
+    name: 'SearchFileMatches',
+    declaration: 'export interface SearchFileMatches {\n    path: string;\n    matches: SearchLineMatch[];\n}',
+  },
+  {
+    name: 'SearchLineMatch',
+    declaration: 'export interface SearchLineMatch {\n    lineNumber: number;\n    line: string;\n}',
+  },
+  {
+    name: 'SearchMatchesResultView',
+    declaration: 'export interface SearchMatchesResultView {\n    card: \'search\';\n    shape: \'matches\';\n    title?: string;\n    files: SearchFileMatches[];\n    truncated: boolean;\n    total: number;\n}',
+  },
+  {
+    name: 'SearchPathsResultView',
+    declaration: 'export interface SearchPathsResultView {\n    card: \'search\';\n    shape: \'paths\';\n    title?: string;\n    paths: string[];\n    truncated: boolean;\n    total: number;\n}',
+  },
+  {
+    name: 'SearchResultView',
+    declaration: 'export type SearchResultView = SearchMatchesResultView | SearchPathsResultView;',
+  },
+  {
+    name: 'SendOptions',
+    declaration: 'export interface SendOptions {\n    target: SendTarget;\n    wakeup: boolean;\n}',
+  },
+  {
+    name: 'SendTarget',
+    declaration: 'export type SendTarget = \'next-turn\' | \'next-step\';',
+  },
   {
     name: 'Session',
-    declaration: 'export class Session {\n    get surface(): SessionSurface;\n    readonly header: SessionHeader;\n    get id(): SessionId;\n    readonly firstLiveSeq: number;\n    constructor(id: SessionId, seed?: readonly SessionEvent[], header?: SessionHeader);\n    get events(): readonly SessionEvent[];\n    get seq(): number;\n    append<T extends SessionEventType>(type: T, data: SessionEventMap[T], ...opts: T extends SurfaceEventType ? [\n        opts: SurfaceIntent\n    ] : [\n    ]): SessionEvent<T>;\n    requestHeader(): EpochHeader | undefined;\n    deriveMessages(): Message[];\n    deriveEventMessage(event: SessionEvent): Message | null;\n}',
+    declaration: 'export class Session {\n    get surface(): SessionSurface;\n    readonly header: SessionHeader;\n    get id(): SessionId;\n    readonly firstLiveSeq: number;\n    constructor(id: SessionId, seed?: readonly SessionEvent[], header?: SessionHeader);\n    get events(): readonly SessionEvent[];\n    get seq(): number;\n    append<T extends SessionEventType>(type: T, data: SessionEventMap[T], ...opts: T extends SurfaceEventType ? [\n        opts: SurfaceIntent\n    ] : [\n    ]): SessionEvent<T>;\n    requestHeader(): EpochHeader | undefined;\n    requestContext(): RequestContext | undefined;\n    deriveMessages(): Message[];\n    deriveEventMessage(event: SessionEvent): Message | null;\n}',
   },
   {
     name: 'SessionAvailability',
@@ -2261,7 +2325,7 @@ export const TYPE_API: readonly TypeApiEntry[] = [
   },
   {
     name: 'SessionEventMap',
-    declaration: 'export interface SessionEventMap {\n    \'turn/start\': {\n        turn: number;\n    };\n    \'turn/end\': {\n        turn: number;\n        reason: TurnEndReason;\n    };\n    \'step/start\': {\n        turn: number;\n        step: number;\n    };\n    \'step/end\': {\n        turn: number;\n        step: number;\n    };\n    \'user/message\': UserMessage;\n    \'assistant/chunk\': {\n        turn: number;\n        step: number;\n        chunk: StreamChunk;\n    };\n    \'assistant/message\': {\n        turn: number;\n        step: number;\n        message: AssistantMessage;\n        usage?: TokenUsage;\n    };\n    \'tool/call\': {\n        turn: number;\n        step: number;\n        callId: CallId;\n        name: string;\n        arguments: string;\n    };\n    \'tool/result\': {\n        turn: number;\n        step: number;\n        message: ToolResultMessage;\n        error?: {\n            name: string;\n            code: string;\n        };\n        meta?: JsonValue;\n    };\n    \'steering/message\': {\n        turn: number;\n        message: UserMessage;\n    };\n    \'todo/write\': {\n        todos: TodoItem[];\n    };\n    \'request/header\': {\n        header: EpochHeader;\n        reason: RequestHeaderReason;\n    };\n    \'session/end-seed\': Record<string, never>;\n}',
+    declaration: 'export interface SessionEventMap {\n    \'turn/start\': {\n        turn: number;\n    };\n    \'turn/end\': {\n        turn: number;\n        reason: TurnEndReason;\n    };\n    \'step/start\': {\n        turn: number;\n        step: number;\n    };\n    \'step/end\': {\n        turn: number;\n        step: number;\n    };\n    \'user/message\': UserMessage;\n    \'assistant/chunk\': {\n        turn: number;\n        step: number;\n        chunk: StreamChunk;\n    };\n    \'assistant/message\': {\n        turn: number;\n        step: number;\n        message: AssistantMessage;\n        usage?: TokenUsage;\n    };\n    \'tool/call\': {\n        turn: number;\n        step: number;\n        callId: CallId;\n        name: string;\n        arguments: string;\n    };\n    \'tool/result\': {\n        turn: number;\n        step: number;\n        message: ToolResultMessage;\n        error?: {\n            name: string;\n            code: string;\n        };\n        meta?: JsonValue;\n    };\n    \'steering/message\': {\n        turn: number;\n        message: UserMessage;\n    };\n    \'todo/write\': {\n        todos: TodoItem[];\n    };\n    \'request/header\': {\n        header: EpochHeader;\n        reason: RequestHeaderReason;\n    };\n    \'request/context\': RequestContext;\n    \'session/end-seed\': Record<string, never>;\n}',
   },
   {
     name: 'SessionEventMetadataFilter',
@@ -2809,7 +2873,7 @@ export const TYPE_API: readonly TypeApiEntry[] = [
   },
   {
     name: 'ToolResultView',
-    declaration: 'export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView | WebResultView;',
+    declaration: 'export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView | SearchResultView | ReadResultView | WebResultView;',
   },
   {
     name: 'ToolRunContext',
diff --git a/packages/core/agent-loop/tests/cancel.spec.ts b/packages/core/agent-loop/tests/cancel.spec.ts
index 8330926041..da5d638d13 100644
--- a/packages/core/agent-loop/tests/cancel.spec.ts
+++ b/packages/core/agent-loop/tests/cancel.spec.ts
@@ -1,9 +1,9 @@
 import { createUserMessage } from '@deepseek-ai/dsh-llm'
 /**
- * Tests for the queue-aware `Agent.cancel()` primitive. `cancel()` is the broad verb — it
- * clears queued + steering work, aborts the active turn, and drops work not yet claimed by the
- * driver without leaking cancellation into a replacement prompt. The suite covers every landing
- * window plus signal reset and `whenIdle()` quiescence.
+ * Tests for the queue-aware `Agent.cancel()` primitive. The default clears
+ * queued and steering work, while `keepInbox` preserves pending input and
+ * resumes waking turns after the active turn reaches quiescence. The suite
+ * covers every landing window plus signal reset and `whenIdle()` quiescence.
  * @module dsh-agent-loop/tests/cancel
  */
 
@@ -284,6 +284,41 @@ describe('Agent.cancel()', () => {
     expect(adapter.requests).toHaveLength(1)
   })
 
+  it('cancel({ keepInbox: true }) aborts the active turn and drains the queued tail in FIFO order', async () => {
+    const adapter = new MockAdapter([
+      'hang',
+      textResponse('second reply'),
+      textResponse('third reply'),
+    ])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('keep-inbox-running'), { provider: 'mock', model: 'mock' })
+    const reasons: TurnEndReason[] = []
+    const discards: unknown[] = []
+    ctx.on('session/event', (session, event) => {
+      if (session === agent.session && event.type === 'turn/end') reasons.push(event.data.reason)
+    })
+    ctx.on('agent/inbox/discard', (subject, items) => {
+      if (subject === agent) discards.push(items)
+    })
+
+    send(agent, 'active')
+    await new Promise(resolve => setTimeout(resolve, 30))
+    send(agent, 'queued second')
+    send(agent, 'queued third')
+    const idle = agent.whenIdle()
+    agent.cancel({ kind: 'user' }, { keepInbox: true })
+    await idle
+
+    expect(discards).toEqual([])
+    expect(userTexts(agent)).toEqual(['active', 'queued second', 'queued third'])
+    expect(reasons).toEqual([
+      { kind: 'aborted' },
+      { kind: 'completed' },
+      { kind: 'completed' },
+    ])
+    expect(adapter.requests).toHaveLength(3)
+  })
+
   it('cancel from an assistant/message observer skips execution but balances replay', async () => {
     const adapter = new MockAdapter([
       toolCallResponse('c1', 'danger', {}),
diff --git a/packages/core/agent-loop/tests/loop.spec.ts b/packages/core/agent-loop/tests/loop.spec.ts
index 384b0a3ab0..31849529d3 100644
--- a/packages/core/agent-loop/tests/loop.spec.ts
+++ b/packages/core/agent-loop/tests/loop.spec.ts
@@ -258,7 +258,7 @@ describe('agent loop', () => {
     // NO system field at all (not an empty string).
     const adapter = new MockAdapter([textResponse('ok')])
     const ctx = await harness(adapter)
-    ctx.on('system-prompt/assemble', async () => ({ sections: [], tools: [], variables: {} }))
+    ctx.on('system-prompt/assemble', async () => ({ sections: [], contexts: [], tools: [], variables: {} }))
     const agent = ctx.agentLoop.create(SessionId('a-no-system'), { provider: 'mock', model: 'mock' })
 
     send(agent, 'hi')
@@ -268,6 +268,178 @@ describe('agent loop', () => {
     expect('system' in adapter.requests[0]!).toBe(false)
   })
 
+  it('materializes changed runtime context at the history tail without rewriting the system header', async () => {
+    const adapter = new MockAdapter([
+      textResponse('one'),
+      textResponse('two'),
+      textResponse('three'),
+      textResponse('four'),
+      textResponse('five'),
+    ])
+    const ctx = await harness(adapter)
+    let mode = 'read-only'
+    const dispose = ctx.systemPrompt.context({ name: 'policy', order: 0, text: () => `Mode: ${mode}.` })
+    const agent = ctx.agentLoop.create(SessionId('a-runtime-context'), { provider: 'mock', model: 'mock' })
+    const contextEvents = () => agent.session.events.flatMap(event =>
+      event.type === 'user/message'
+        && event.data.source.kind === 'plugin'
+        && event.data.source.plugin === '@deepseek-ai/dsh-system-prompt'
+        ? [event]
+        : [])
+
+    send(agent, 'first')
+    await waitForIdle(ctx, agent)
+    expect(contextEvents()).toHaveLength(1)
+    expect(contextEvents()[0]?.data.content).toEqual([{
+      type: 'text',
+      text: 'Current runtime context. This snapshot supersedes earlier runtime-context snapshots.\n\nMode: read-only.',
+    }])
+
+    send(agent, 'unchanged')
+    await waitForIdle(ctx, agent)
+    expect(contextEvents()).toHaveLength(1)
+
+    mode = 'danger-full-access'
+    send(agent, 'changed')
+    await waitForIdle(ctx, agent)
+    expect(contextEvents()).toHaveLength(2)
+    const changedBlock = contextEvents()[1]?.data.content[0]
+    expect(changedBlock?.type).toBe('text')
+    if (changedBlock?.type !== 'text') throw new Error('changed runtime context is not text')
+    expect(changedBlock.text).toContain('danger-full-access')
+
+    dispose()
+    send(agent, 'cleared')
+    await waitForIdle(ctx, agent)
+    expect(contextEvents()).toHaveLength(3)
+    expect(contextEvents()[2]?.data.content).toEqual([{
+      type: 'text',
+      text: 'Current runtime context: none. Earlier runtime-context snapshots no longer apply.',
+    }])
+
+    send(agent, 'still clear')
+    await waitForIdle(ctx, agent)
+    expect(contextEvents()).toHaveLength(3)
+    expect(adapter.requests.map(request => request.system)).toEqual(Array(5).fill(adapter.requests[0]?.system))
+    expect(agent.session.events.filter(event => event.type === 'request/header')).toHaveLength(1)
+  })
+
+  it('re-emits unchanged runtime context when a surface replacement removed the retained snapshot', async () => {
+    const adapter = new MockAdapter([textResponse('one'), textResponse('two')])
+    const ctx = await harness(adapter)
+    ctx.systemPrompt.context({ name: 'policy', order: 0, text: 'Mode: read-only.' })
+    const agent = ctx.agentLoop.create(SessionId('a-runtime-context-compacted'), { provider: 'mock', model: 'mock' })
+
+    send(agent, 'first')
+    await waitForIdle(ctx, agent)
+    const contextEvent = agent.session.events.find(event =>
+      event.type === 'user/message'
+      && event.data.source.kind === 'plugin'
+      && event.data.source.plugin === '@deepseek-ai/dsh-system-prompt')
+    if (contextEvent?.type !== 'user/message') throw new Error('first turn did not materialize runtime context')
+    agent.session.append('user/message', createUserMessage({
+      content: [{ type: 'text', text: 'compacted summary' }],
+      source: { kind: 'plugin', plugin: 'test-compaction' },
+    }), {
+      surfaceOp: { op: 'replace', start: contextEvent.seq, end: contextEvent.seq },
+      sourceEventSeqs: [contextEvent.seq],
+    })
+
+    send(agent, 'after compaction')
+    await waitForIdle(ctx, agent)
+    const runtimeContexts = agent.session.events.flatMap(event =>
+      event.type === 'user/message'
+        && event.data.source.kind === 'plugin'
+        && event.data.source.plugin === '@deepseek-ai/dsh-system-prompt'
+        ? [event]
+        : [])
+    expect(runtimeContexts).toHaveLength(2)
+    expect(adapter.requests[1]?.messages.some(message =>
+      message.source.kind === 'plugin'
+      && message.source.plugin === '@deepseek-ai/dsh-system-prompt')).toBe(true)
+  })
+
+  it('clears compacted runtime context after the active set becomes empty', async () => {
+    const adapter = new MockAdapter([textResponse('one'), textResponse('two')])
+    const ctx = await harness(adapter)
+    const dispose = ctx.systemPrompt.context({ name: 'policy', order: 0, text: 'Mode: read-only.' })
+    const agent = ctx.agentLoop.create(SessionId('a-runtime-context-compacted-clear'), { provider: 'mock', model: 'mock' })
+
+    send(agent, 'first')
+    await waitForIdle(ctx, agent)
+    const contextEvent = agent.session.events.find(event =>
+      event.type === 'user/message'
+      && event.data.source.kind === 'plugin'
+      && event.data.source.plugin === '@deepseek-ai/dsh-system-prompt')
+    if (contextEvent?.type !== 'user/message') throw new Error('first turn did not materialize runtime context')
+    agent.session.append('user/message', createUserMessage({
+      content: [{ type: 'text', text: 'summary retaining old mode: read-only' }],
+      source: { kind: 'plugin', plugin: 'test-compaction' },
+    }), {
+      surfaceOp: { op: 'replace', start: contextEvent.seq, end: contextEvent.seq },
+      sourceEventSeqs: [contextEvent.seq],
+    })
+    dispose()
+
+    send(agent, 'after compaction')
+    await waitForIdle(ctx, agent)
+    const clearing = adapter.requests[1]?.messages.find(message =>
+      message.source.kind === 'plugin'
+      && message.source.plugin === '@deepseek-ai/dsh-system-prompt')
+    expect(clearing?.content).toEqual([{
+      type: 'text',
+      text: 'Current runtime context: none. Earlier runtime-context snapshots no longer apply.',
+    }])
+  })
+
+  it('does not clear runtime context after an unrelated replacement', async () => {
+    const adapter = new MockAdapter([textResponse('ok')])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('a-runtime-context-unrelated-compaction'), { provider: 'mock', model: 'mock' })
+    const original = agent.session.append('user/message', createUserMessage({
+      content: [{ type: 'text', text: 'old context' }],
+      source: { kind: 'plugin', plugin: 'test-context' },
+    }), { surfaceOp: 'append' })
+    agent.session.append('user/message', createUserMessage({
+      content: [{ type: 'text', text: 'compacted summary' }],
+      source: { kind: 'plugin', plugin: 'test-compaction' },
+    }), {
+      surfaceOp: { op: 'replace', start: original.seq, end: original.seq },
+      sourceEventSeqs: [original.seq],
+    })
+
+    send(agent, 'after compaction')
+    await waitForIdle(ctx, agent)
+    expect(adapter.requests[0]?.messages.some(message =>
+      message.source.kind === 'plugin'
+      && message.source.plugin === '@deepseek-ai/dsh-system-prompt')).toBe(false)
+  })
+
+  it('replaces a malformed retained runtime-context message with the current complete snapshot', async () => {
+    const adapter = new MockAdapter([textResponse('ok')])
+    const ctx = await harness(adapter)
+    ctx.systemPrompt.context({ name: 'policy', order: 0, text: 'Mode: read-only.' })
+    const agent = ctx.agentLoop.create(SessionId('a-runtime-context-malformed'), { provider: 'mock', model: 'mock' })
+    agent.session.append('user/message', createUserMessage({
+      content: [{ type: 'text', text: 'broken' }, { type: 'text', text: 'snapshot' }],
+      source: { kind: 'plugin', plugin: '@deepseek-ai/dsh-system-prompt' },
+    }), { surfaceOp: 'append' })
+
+    send(agent, 'repair context')
+    await waitForIdle(ctx, agent)
+    const runtimeContexts = agent.session.events.flatMap(event =>
+      event.type === 'user/message'
+        && event.data.source.kind === 'plugin'
+        && event.data.source.plugin === '@deepseek-ai/dsh-system-prompt'
+        ? [event]
+        : [])
+    expect(runtimeContexts).toHaveLength(2)
+    expect(runtimeContexts[1]?.data.content).toEqual([{
+      type: 'text',
+      text: 'Current runtime context. This snapshot supersedes earlier runtime-context snapshots.\n\nMode: read-only.',
+    }])
+  })
+
   it('records raw chunks for replay as assistant/chunk session events', async () => {
     const adapter = new MockAdapter([textResponse('abc')])
     const ctx = await harness(adapter)
diff --git a/packages/core/agent-loop/tests/request-reconstruction.spec.ts b/packages/core/agent-loop/tests/request-reconstruction.spec.ts
index 4d83315d35..7c2e864f83 100644
--- a/packages/core/agent-loop/tests/request-reconstruction.spec.ts
+++ b/packages/core/agent-loop/tests/request-reconstruction.spec.ts
@@ -8,7 +8,7 @@
 import { describe, expect, it } from 'vitest'
 import { Context } from 'cordis'
 import LlmService, { createUserMessage, LlmError, ReasoningEffortId  } from '@deepseek-ai/dsh-llm'
-import type { GenerateOptions, LlmModelReasoningInfo, LlmResolvedModelInfo } from '@deepseek-ai/dsh-llm'
+import type { GenerateOptions, LlmModelReasoningInfo, LlmResolvedModelInfo, StreamChunk } from '@deepseek-ai/dsh-llm'
 import SessionStore, { Session, SessionId, foldRequestHeader } from '@deepseek-ai/dsh-session'
 import SystemPrompt from '@deepseek-ai/dsh-system-prompt'
 import ToolRegistry, { defineContentToolFixture } from '@deepseek-ai/dsh-tools'
@@ -613,3 +613,95 @@ describe('request stability across the loop', () => {
     })
   })
 })
+
+describe('request/context capacity records', () => {
+  /** Adapter advertising a per-model capacity, keyed by model id. */
+  function capacityAdapter(windows: Record<string, number>, script: StreamChunk[][]): MockAdapter {
+    return new class extends MockAdapter {
+      override resolveModel(provider: string, model: string): Promise<LlmResolvedModelInfo> {
+        const contextWindow = windows[model]
+        return Promise.resolve({
+          provider,
+          id: model,
+          name: model,
+          ...contextWindow === undefined ? {} : { context: { contextWindow } },
+        })
+      }
+    }(script)
+  }
+
+  it('records capacity once and skips it while the route is unchanged', async () => {
+    const adapter = capacityAdapter({ mock: 128_000 }, [textResponse('a'), textResponse('b')])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('capacity-dedup'), { provider: 'mock', model: 'mock' })
+
+    send(agent, 'first')
+    await waitForIdle(ctx, agent)
+    send(agent, 'second')
+    await waitForIdle(ctx, agent)
+
+    const records = agent.session.events.filter(event => event.type === 'request/context')
+    expect(records).toHaveLength(1)
+    expect(records[0]?.data).toEqual({ provider: 'mock', model: 'mock', contextWindow: 128_000 })
+    // Log-only: not a SurfaceEventType, so it can never reach a model request
+    // (the type system rejects a surfaceOp here; the session invariant also
+    // requires the record to sit inside its open turn).
+    expect(agent.session.surface.nodes).not.toContain(records[0]?.seq)
+  })
+
+  it('records a second capacity when the route changes mid-session', async () => {
+    const adapter = capacityAdapter(
+      { small: 64_000, large: 256_000 },
+      [textResponse('a'), textResponse('b')],
+    )
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('capacity-switch'), { provider: 'mock', model: 'small' })
+
+    send(agent, 'first')
+    await waitForIdle(ctx, agent)
+    ctx.on('agent/request', (subject, _turn, _step, _signal, next) => subject === agent
+      ? Promise.resolve({ provider: 'mock', model: 'large' })
+      : next())
+    send(agent, 'second')
+    await waitForIdle(ctx, agent)
+
+    expect(agent.session.events
+      .filter(event => event.type === 'request/context')
+      .map(event => event.data.contextWindow)).toEqual([64_000, 256_000])
+  })
+
+  it('records and deduplicates a route whose adapter advertises no capacity', async () => {
+    const ctx = await harness(new MockAdapter([textResponse('a'), textResponse('b')]))
+    const agent = ctx.agentLoop.create(SessionId('capacity-absent'), { provider: 'mock', model: 'mock' })
+    send(agent, 'first')
+    await waitForIdle(ctx, agent)
+    send(agent, 'second')
+    await waitForIdle(ctx, agent)
+    expect(agent.session.events
+      .filter(event => event.type === 'request/context')
+      .map(event => event.data)).toEqual([{ provider: 'mock', model: 'mock' }])
+  })
+
+  it('clears a previous capacity when the next route advertises none', async () => {
+    const adapter = capacityAdapter({ known: 64_000 }, [textResponse('a'), textResponse('b')])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('capacity-clear'), { provider: 'mock', model: 'known' })
+    let model = 'known'
+    ctx.on('agent/request', (subject, _turn, _step, _signal, next) => subject === agent
+      ? Promise.resolve({ provider: 'mock', model })
+      : next())
+
+    send(agent, 'first')
+    await waitForIdle(ctx, agent)
+    model = 'unknown'
+    send(agent, 'second')
+    await waitForIdle(ctx, agent)
+
+    expect(agent.session.events
+      .filter(event => event.type === 'request/context')
+      .map(event => event.data)).toEqual([
+      { provider: 'mock', model: 'known', contextWindow: 64_000 },
+      { provider: 'mock', model: 'unknown' },
+    ])
+  })
+})
diff --git a/packages/core/agent-loop/tests/turn-admission.spec.ts b/packages/core/agent-loop/tests/turn-admission.spec.ts
new file mode 100644
index 0000000000..e5d4d2ebb3
--- /dev/null
+++ b/packages/core/agent-loop/tests/turn-admission.spec.ts
@@ -0,0 +1,286 @@
+import { describe, expect, it } from 'vitest'
+import { Context } from 'cordis'
+import AgentRegistry, { type Agent, type InboxItem } from '@deepseek-ai/dsh-agent'
+import AgentLoop from '@deepseek-ai/dsh-agent-loop'
+import LlmService, { createUserMessage } from '@deepseek-ai/dsh-llm'
+import SessionStore, { SessionId } from '@deepseek-ai/dsh-session'
+import SystemPrompt from '@deepseek-ai/dsh-system-prompt'
+import ToolRegistry from '@deepseek-ai/dsh-tools'
+import { MockAdapter, textResponse } from './mock-adapter.ts'
+
+async function harness(adapter: MockAdapter): Promise<Context> {
+  const ctx = new Context()
+  await ctx.plugin(LlmService)
+  await ctx.plugin(SessionStore)
+  await ctx.plugin(SystemPrompt)
+  await ctx.plugin(ToolRegistry)
+  await ctx.plugin(AgentRegistry)
+  await ctx.plugin(AgentLoop, { agents: [] })
+  ctx.llm.registerAdapter(['mock'], adapter)
+  return ctx
+}
+
+function prompt(agent: Agent, text: string): void {
+  agent.followup(createUserMessage({
+    content: [{ type: 'text', text }],
+    source: { kind: 'user' },
+  }))
+}
+
+function itemText(item: InboxItem): string {
+  return item.message.content.flatMap(block => block.type === 'text' ? [block.text] : []).join('')
+}
+
+interface InboxRecording {
+  readonly events: string[]
+  readonly enqueued: InboxItem['id'][]
+  readonly dequeued: InboxItem['id'][]
+  readonly discarded: InboxItem['id'][]
+}
+
+/** Record the complete inbox lifecycle of one agent for order and identity assertions. */
+function recordInbox(ctx: Context): InboxRecording {
+  const events: string[] = []
+  const enqueued: InboxItem['id'][] = []
+  const dequeued: InboxItem['id'][] = []
+  const discarded: InboxItem['id'][] = []
+  ctx.on('agent/inbox/enqueue', (_agent, item) => {
+    events.push(`enqueue:${item.placement}:${itemText(item)}`)
+    enqueued.push(item.id)
+  })
+  ctx.on('agent/inbox/dequeue', (_agent, item) => {
+    events.push(`dequeue:${itemText(item)}`)
+    dequeued.push(item.id)
+  })
+  ctx.on('agent/inbox/discard', (_agent, items) => {
+    events.push(`discard:${items.map(itemText).join(',')}`)
+    discarded.push(...items.map(item => item.id))
+  })
+  return { events, enqueued, dequeued, discarded }
+}
+
+/** Text of every ordinary prompt the log admitted, in durable order. */
+function promptTexts(agent: Agent): string[] {
+  return agent.session.events.flatMap(event => event.type === 'user/message'
+    ? event.data.content.flatMap(block => block.type === 'text' ? [block.text] : [])
+    : [])
+}
+
+describe('idle turn admission reservation', () => {
+  it('holds later waking prompts in the FIFO until release', async () => {
+    const adapter = new MockAdapter([textResponse('first'), textResponse('second')])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
+    const inbox = recordInbox(ctx)
+
+    const release = agent.reserveTurnAdmission()
+    expect(release).toBeDefined()
+
+    prompt(agent, 'first prompt')
+    prompt(agent, 'second prompt')
+    expect(agent.acceptsNextStep).toBe(false)
+    await new Promise<void>((resolve) => { setTimeout(resolve, 5) })
+
+    expect(agent.status).toBe('idle')
+    expect(adapter.requests).toHaveLength(0)
+    expect(agent.session.events).toHaveLength(0)
+    expect(inbox.events).toEqual([
+      'enqueue:queued:first prompt',
+      'enqueue:queued:second prompt',
+    ])
+
+    release?.()
+    await agent.whenIdle()
+
+    expect(promptTexts(agent)).toEqual(['first prompt', 'second prompt'])
+    expect(agent.session.events.flatMap(event =>
+      event.type === 'turn/start' ? [event.data.turn] : [])).toEqual([1, 2])
+    expect(inbox.events).toEqual([
+      'enqueue:queued:first prompt',
+      'enqueue:queued:second prompt',
+      'dequeue:first prompt',
+      'dequeue:second prompt',
+    ])
+    expect(inbox.dequeued).toEqual(inbox.enqueued)
+    expect(inbox.discarded).toEqual([])
+  })
+
+  it('refuses acquisition when an accepted waking prompt still owns the next turn', async () => {
+    const adapter = new MockAdapter([textResponse('ok')])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
+
+    prompt(agent, 'accepted first')
+    expect(agent.status).toBe('idle')
+    expect(agent.reserveTurnAdmission()).toBeUndefined()
+
+    await agent.whenIdle()
+    expect(adapter.requests).toHaveLength(1)
+  })
+
+  it('refuses acquisition while a turn is running', async () => {
+    const adapter = new MockAdapter([textResponse('ok')])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
+    const reserved: unknown[] = []
+    ctx.on('agent/step', () => {
+      reserved.push(agent.reserveTurnAdmission())
+    })
+
+    prompt(agent, 'running')
+    await agent.whenIdle()
+
+    expect(agent.status).toBe('idle')
+    expect(reserved).toEqual([undefined])
+  })
+
+  it('refuses a second reservation and releases idempotently', async () => {
+    const adapter = new MockAdapter([textResponse('ok')])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
+
+    const release = agent.reserveTurnAdmission()
+    expect(agent.reserveTurnAdmission()).toBeUndefined()
+    prompt(agent, 'queued behind the reservation')
+
+    release?.()
+    release?.()
+    await agent.whenIdle()
+
+    expect(promptTexts(agent)).toEqual(['queued behind the reservation'])
+    expect(adapter.requests).toHaveLength(1)
+    const second = agent.reserveTurnAdmission()
+    expect(second).toBeDefined()
+    second?.()
+  })
+
+  it('ignores a stale release once a later reservation owns the boundary', async () => {
+    const adapter = new MockAdapter([textResponse('ok')])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
+
+    const stale = agent.reserveTurnAdmission()
+    stale?.()
+    const live = agent.reserveTurnAdmission()
+    prompt(agent, 'held by the live reservation')
+    stale?.()
+    await new Promise<void>((resolve) => { setTimeout(resolve, 5) })
+
+    expect(adapter.requests).toHaveLength(0)
+    live?.()
+    await agent.whenIdle()
+    expect(adapter.requests).toHaveLength(1)
+  })
+
+  it('acquires beside quiet queued work and leaves it queued', async () => {
+    const adapter = new MockAdapter([textResponse('ok')])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
+
+    agent.send(createUserMessage({
+      content: [{ type: 'text', text: 'quiet' }],
+      source: { kind: 'user' },
+    }), {
+      target: 'next-turn',
+      wakeup: false,
+    })
+    const release = agent.reserveTurnAdmission()
+    expect(release).toBeDefined()
+
+    release?.()
+    await agent.whenIdle()
+    expect(adapter.requests).toHaveLength(0)
+  })
+
+  it('makes whenIdle() wait for release without spinning on a settled promise', async () => {
+    const adapter = new MockAdapter([textResponse('ok')])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
+    const machine = agent as Agent & { done: Promise<void> }
+    let backing = machine.done
+    let reads = 0
+    Object.defineProperty(agent, 'done', {
+      configurable: true,
+      get(): Promise<void> {
+        reads += 1
+        return backing
+      },
+      set(value: Promise<void>) {
+        backing = value
+      },
+    })
+
+    const release = agent.reserveTurnAdmission()
+    prompt(agent, 'waiting for the reservation')
+    let settled = false
+    const idle = agent.whenIdle().then(() => { settled = true })
+    for (let tick = 0; tick < 5; tick += 1) {
+      await new Promise<void>((resolve) => { setTimeout(resolve, 1) })
+    }
+
+    expect(settled).toBe(false)
+    expect(reads).toBeLessThanOrEqual(2)
+
+    release?.()
+    await idle
+    expect(settled).toBe(true)
+    expect(adapter.requests).toHaveLength(1)
+  })
+
+  it('resolves whenIdle() after release with nothing queued', async () => {
+    const adapter = new MockAdapter([])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
+
+    const release = agent.reserveTurnAdmission()
+    let settled = false
+    const idle = agent.whenIdle().then(() => { settled = true })
+    await new Promise<void>((resolve) => { setTimeout(resolve, 5) })
+    expect(settled).toBe(false)
+
+    release?.()
+    await idle
+    expect(agent.status).toBe('idle')
+  })
+
+  it('lets cancellation discard held prompts and keeps the boundary quiet', async () => {
+    const adapter = new MockAdapter([])
+    const ctx = await harness(adapter)
+    const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
+    const inbox = recordInbox(ctx)
+
+    const release = agent.reserveTurnAdmission()
+    prompt(agent, 'discarded while held')
+    agent.cancel({ kind: 'user' })
+
+    expect(inbox.events).toEqual([
+      'enqueue:queued:discarded while held',
+      'discard:discarded while held',
+    ])
+    expect(inbox.discarded).toEqual(inbox.enqueued)
+    expect(inbox.dequeued).toEqual([])
+
+    release?.()
+    await agent.whenIdle()
+    expect(adapter.requests).toHaveLength(0)
+    expect(agent.session.events).toHaveLength(0)
+  })
+
+  it('disposes the agent without waiting for the reservation to be released', async () => {
+    const adapter = new MockAdapter([])
+    const ctx = await harness(adapter)
+    const handle = await ctx.agents.create({
+      sessionId: SessionId('a1'),
+      agentOptions: { provider: 'mock', model: 'mock' },
+    })
+    const { agent } = handle
+
+    const release = agent.reserveTurnAdmission()
+    prompt(agent, 'discarded by disposal')
+    await handle.dispose()
+
+    expect(ctx.agents.list()).toEqual([])
+    expect(adapter.requests).toHaveLength(0)
+    release?.()
+  })
+})
diff --git a/packages/core/agent/tests/agent.spec.ts b/packages/core/agent/tests/agent.spec.ts
index 84646f62eb..0df68d7f1b 100644
--- a/packages/core/agent/tests/agent.spec.ts
+++ b/packages/core/agent/tests/agent.spec.ts
@@ -29,6 +29,7 @@ function stubAgent(rawId: string, overrides: Partial<Agent> = {}): Agent {
     followup: () => {},
     steer: () => {},
     inject: () => {},
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle: () => Promise.resolve(),
   }
diff --git a/packages/core/session/tests/fork.spec.ts b/packages/core/session/tests/fork.spec.ts
index 8a3a568762..039f0156d4 100644
--- a/packages/core/session/tests/fork.spec.ts
+++ b/packages/core/session/tests/fork.spec.ts
@@ -67,7 +67,7 @@ describe('SessionStore.fork', () => {
 
     const child = sessions.fork(source, undefined, SessionId('empty-child'))
 
-    expect(child.events).toEqual([])
+    expect(inherited(child)).toEqual([])
     expect(child.header).toMatchObject({
       id: SessionId('empty-child'),
       cwd: '/workspace',
diff --git a/packages/core/session/tests/invariant.spec.ts b/packages/core/session/tests/invariant.spec.ts
index 3cf089fe5d..cf9cdc3ec8 100644
--- a/packages/core/session/tests/invariant.spec.ts
+++ b/packages/core/session/tests/invariant.spec.ts
@@ -143,6 +143,12 @@ describe('session-log invariants', () => {
         source: { kind: 'user' },
       }),
     }, { surfaceOp: 'append' })).toThrow(/outside any open turn/)
+    // Route capacity is core execution state like the header beside it.
+    expect(() => outside.append('request/context', {
+      provider: 'mock',
+      model: 'm',
+      contextWindow: 128_000,
+    })).toThrow(/outside any open turn/)
     // The owning plugin decides whether a merge-extensible event is log-only.
     const appendUnknown = outside.append.bind(outside) as (type: string, data: unknown) => unknown
     expect(() => { appendUnknown('plugin/marker', {}) }).not.toThrow()
diff --git a/packages/core/session/tests/properties.spec.ts b/packages/core/session/tests/properties.spec.ts
index acca538808..2cae9b3c4b 100644
--- a/packages/core/session/tests/properties.spec.ts
+++ b/packages/core/session/tests/properties.spec.ts
@@ -112,9 +112,9 @@ describe('Session properties', () => {
       const original = build(events)
       const replayed = new Session(SessionId(`replay-${counter++}`), [...original.events])
       expect(replayed.deriveMessages()).toEqual(original.deriveMessages())
-      // A non-empty replay grows by exactly one log-only boundary.
+      // Every explicit replay grows by exactly one log-only boundary.
       expect(replayed.events.slice(0, original.seq)).toEqual(original.events)
-      expect(replayed.seq).toBe(original.seq === 0 ? 0 : original.seq + 1)
+      expect(replayed.seq).toBe(original.seq + 1)
     }))
   })
 
diff --git a/packages/core/session/tests/request-header.spec.ts b/packages/core/session/tests/request-header.spec.ts
index 3181532820..81778909d4 100644
--- a/packages/core/session/tests/request-header.spec.ts
+++ b/packages/core/session/tests/request-header.spec.ts
@@ -114,3 +114,60 @@ describe('legacy request-header format', () => {
     expect(session.events).toHaveLength(0)
   })
 })
+
+describe('Session.requestContext', () => {
+  const CAPACITY = { provider: 'mock', model: 'm', contextWindow: 128_000 }
+
+  /** A turn-enclosed capacity record; the invariant rejects one outside a turn. */
+  function seedWith(...records: { provider: string; model: string; contextWindow?: number }[]): SessionEvent[] {
+    const events: SessionEvent[] = [{
+      type: 'turn/start', seq: 0, time: 1, data: { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } },
+    }]
+    for (const data of records) {
+      events.push({ type: 'request/context', seq: events.length, time: 1, data })
+    }
+    return events
+  }
+
+  it('reads undefined before any record exists', () => {
+    expect(new Session(SessionId('no-capacity')).requestContext()).toBeUndefined()
+  })
+
+  it('folds a seeded log on first read, taking the last record', () => {
+    // The fold watermark starts at 0 with the seed already in the log, so the
+    // first read must consume the whole seed rather than skip it.
+    const session = new Session(SessionId('seeded-capacity'), seedWith(
+      CAPACITY,
+      { ...CAPACITY, model: 'later', contextWindow: 256_000 },
+    ))
+    expect(session.requestContext()).toEqual({ provider: 'mock', model: 'later', contextWindow: 256_000 })
+  })
+
+  it('advances incrementally across appends and skips unrelated events', () => {
+    const session = new Session(SessionId('incremental-capacity'), seedWith(CAPACITY))
+    expect(session.requestContext()).toEqual(CAPACITY)
+    session.append('todo/write', { todos: [] })
+    expect(session.requestContext()).toEqual(CAPACITY)
+    session.append('request/context', { ...CAPACITY, model: 'next', contextWindow: 64_000 })
+    expect(session.requestContext()).toEqual({ provider: 'mock', model: 'next', contextWindow: 64_000 })
+    session.append('request/context', { provider: 'mock', model: 'unknown' })
+    expect(session.requestContext()).toEqual({ provider: 'mock', model: 'unknown' })
+  })
+
+  it('folds a batch appended between two reads', () => {
+    const session = new Session(SessionId('batched-capacity'), seedWith(CAPACITY))
+    expect(session.requestContext()).toEqual(CAPACITY)
+    session.append('request/context', { ...CAPACITY, contextWindow: 200_000 })
+    session.append('todo/write', { todos: [] })
+    session.append('request/context', { ...CAPACITY, contextWindow: 300_000 })
+    expect(session.requestContext()?.contextWindow).toBe(300_000)
+  })
+
+  it('exposes a frozen record so a reader cannot desync later comparisons', () => {
+    const session = new Session(SessionId('frozen-capacity'), seedWith(CAPACITY))
+    const held = session.requestContext()
+    if (held === undefined) throw new Error('expected a folded capacity record')
+    expect(Object.isFrozen(held)).toBe(true)
+    expect(() => { (held as { contextWindow?: number }).contextWindow = 1 }).toThrow()
+  })
+})
diff --git a/packages/core/session/tests/session.spec.ts b/packages/core/session/tests/session.spec.ts
index 821033289f..a49924b950 100644
--- a/packages/core/session/tests/session.spec.ts
+++ b/packages/core/session/tests/session.spec.ts
@@ -142,6 +142,21 @@ describe('Session', () => {
     expect(replayed.firstLiveSeq).toBe(original.seq)
   })
 
+  it('marks an explicitly empty seed without marking a fresh session', () => {
+    const fresh = new Session(SessionId('fresh-empty'))
+    expect(fresh.events).toEqual([])
+
+    const resumed = new Session(SessionId('resumed-empty'), [])
+    expect(resumed.firstLiveSeq).toBe(0)
+    expect(resumed.events).toMatchObject([
+      { type: 'session/end-seed', seq: 0, data: {} },
+    ])
+
+    const reopened = new Session(SessionId('reopened-empty'), resumed.events)
+    expect(reopened.firstLiveSeq).toBe(1)
+    expect(reopened.events).toEqual(resumed.events)
+  })
+
   it('rejects pre-provider request headers and assistant messages on seed/load', () => {
     const requestHeader = {
       type: 'request/header', seq: 0, time: 1,
diff --git a/packages/core/system-prompt/tests/invariant.spec.ts b/packages/core/system-prompt/tests/invariant.spec.ts
index ce03af0b9f..ace65d2bc9 100644
--- a/packages/core/system-prompt/tests/invariant.spec.ts
+++ b/packages/core/system-prompt/tests/invariant.spec.ts
@@ -13,6 +13,7 @@ async function setup(): Promise<Context> {
 
 const valid = (): PromptAssembly => ({
   sections: [{ name: 'identity', text: 'prompt' }],
+  contexts: [{ name: 'policy', text: 'current policy' }],
   tools: [{ name: 'echo', description: 'Echo', parameters: {} }],
   variables: { cwd: '/repo', optional: undefined },
 })
@@ -34,6 +35,9 @@ describe('system-prompt invariants', () => {
     [{ ...valid(), sections: [{ name: '', text: 'x' }] }, /section names must be non-empty/],
     [{ ...valid(), sections: [{ name: 'x', text: 'a' }, { name: 'x', text: 'b' }] }, /section name "x" is duplicated/],
     [{ ...valid(), sections: [{ name: 'x', text: 1 as never }] }, /section "x" text must be a string/],
+    [{ ...valid(), contexts: [{ name: '', text: 'x' }] }, /context names must be non-empty/],
+    [{ ...valid(), contexts: [{ name: 'x', text: 'a' }, { name: 'x', text: 'b' }] }, /context name "x" is duplicated/],
+    [{ ...valid(), contexts: [{ name: 'x', text: 1 as never }] }, /context "x" text must be a string/],
     [{ ...valid(), tools: [{ name: '', description: 'x', parameters: {} }] }, /tool names must be non-empty/],
     [{ ...valid(), variables: { Bad: 'x' } }, /variable name "Bad" is invalid/],
     [{ ...valid(), variables: { value: 1 as never } }, /variable "value" must be a string or undefined/],
diff --git a/packages/core/system-prompt/tests/scoped.spec.ts b/packages/core/system-prompt/tests/scoped.spec.ts
index 23b55201b2..704a3e769c 100644
--- a/packages/core/system-prompt/tests/scoped.spec.ts
+++ b/packages/core/system-prompt/tests/scoped.spec.ts
@@ -2,7 +2,7 @@ import { describe, expect, it, vi } from 'vitest'
 import { Context } from 'cordis'
 import { createScope, scopeOf } from '@deepseek-ai/dsh-scope'
 import type { Scope, ScopeKey } from '@deepseek-ai/dsh-scope'
-import SystemPrompt, { TOOL_ORDER_REST, renderPrompt } from '@deepseek-ai/dsh-system-prompt'
+import SystemPrompt, { TOOL_ORDER_REST, renderContextSnapshot, renderPrompt } from '@deepseek-ai/dsh-system-prompt'
 import type { Config, PromptAssembly } from '@deepseek-ai/dsh-system-prompt'
 
 async function mount(config: Config = {}): Promise<Context> {
@@ -125,6 +125,25 @@ describe('scoped variables', () => {
   })
 })
 
+describe('scoped cache-safe context', () => {
+  it('shadows a global context for one scope and cleans up with that scope', async () => {
+    const ctx = await mount()
+    const scope = await mintScope(ctx, 'child-context')
+    ctx.systemPrompt.context({ name: 'policy', order: 1, text: 'global policy' })
+    scope.ctx.systemPrompt.context({ name: 'policy', order: 1, text: 'scoped policy' })
+    expect(() => scope.ctx.systemPrompt.context({ name: 'policy', order: 2, text: 'duplicate' }))
+      .toThrow('prompt context "policy" is already registered in this scope')
+
+    expect(renderContextSnapshot(await ctx.systemPrompt.assemble({ scope: scopeKeyOf(scope) })))
+      .toContain('scoped policy')
+    expect(renderContextSnapshot(await ctx.systemPrompt.assemble())).toContain('global policy')
+
+    await scope.dispose()
+    expect(renderContextSnapshot(await ctx.systemPrompt.assemble({ scope: scopeKeyOf(scope) })))
+      .toContain('global policy')
+  })
+})
+
 describe('scoped tool providers and toolOrder × restriction', () => {
   it('scoped providers are consulted only for their scope', async () => {
     const ctx = await mount()
diff --git a/packages/core/system-prompt/tests/system-prompt.spec.ts b/packages/core/system-prompt/tests/system-prompt.spec.ts
index 02ac58889d..834c17c341 100644
--- a/packages/core/system-prompt/tests/system-prompt.spec.ts
+++ b/packages/core/system-prompt/tests/system-prompt.spec.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
 import { Context } from 'cordis'
-import SystemPrompt, { AssembleContext, PromptAssembly, renderPrompt } from '@deepseek-ai/dsh-system-prompt'
+import SystemPrompt, { AssembleContext, PromptAssembly, renderContextSnapshot, renderPrompt } from '@deepseek-ai/dsh-system-prompt'
 
 /**
  * Every assembly carries the plugin's own built-ins — `harness:identity`
@@ -64,14 +64,21 @@ describe('SystemPrompt', () => {
 
     ctx.systemPrompt.section({ name: 'cwd', order: 20, text: () => 'cwd: /tmp' })
     ctx.systemPrompt.section({ name: 'rules', order: 10, text: 'Be precise.' })
+    ctx.systemPrompt.context({ name: 'later', order: 20, text: () => 'context 2' })
+    ctx.systemPrompt.context({ name: 'earlier', order: 10, text: 'context 1' })
     ctx.systemPrompt.tools(() => ({ schemas: [{ name: 'echo', description: 'echo back', parameters: {} }] }))
 
     const assembly = await ctx.systemPrompt.assemble()
     expect(assembly.sections.map(s => s.name)).toEqual(['harness:identity', 'deployment:persona', 'rules', 'cwd'])
     expect(assembly.sections.map(s => s.text)).toEqual([IDENTITY, 'You are DeepSeek Harness SDK.', 'Be precise.', 'cwd: /tmp'])
+    expect(assembly.contexts).toEqual([
+      { name: 'earlier', text: 'context 1' },
+      { name: 'later', text: 'context 2' },
+    ])
     expect(assembly.tools).toEqual([{ name: 'echo', description: 'echo back', parameters: {} }])
     expect(assembly.variables).toEqual({})
     expect(renderPrompt(assembly)).toBe(`${IDENTITY}\n\nYou are DeepSeek Harness SDK.\n\nBe precise.\n\ncwd: /tmp`)
+    expect(renderContextSnapshot(assembly)).toBe('Current runtime context. This snapshot supersedes earlier runtime-context snapshots.\n\ncontext 1\n\ncontext 2')
   })
 
   it('resolves section text providers against the assemble context, at each assemble call', async () => {
@@ -96,16 +103,19 @@ describe('SystemPrompt', () => {
 
     const fiber = await ctx.plugin(Object.assign((inner: Context) => {
       inner.systemPrompt.section({ name: 'scoped', order: 0, text: 'scoped section' })
+      inner.systemPrompt.context({ name: 'scoped-context', order: 0, text: 'scoped context' })
       inner.systemPrompt.tools(() => ({ schemas: [{ name: 'scoped-tool', description: '', parameters: {} }] }))
       inner.systemPrompt.variable('scoped_var', () => 'v')
     }, { inject: ['systemPrompt'] }))
 
     const before = await ctx.systemPrompt.assemble()
     expect(contributed(before)).toHaveLength(1)
+    expect(before.contexts).toHaveLength(1)
     expect(before.variables).toEqual({ scoped_var: 'v' })
     await fiber.dispose()
     const assembly = await ctx.systemPrompt.assemble()
     expect(contributed(assembly)).toHaveLength(0)
+    expect(assembly.contexts).toHaveLength(0)
     // The built-ins belong to the service fiber, so they survive the plugin's disposal.
     expect(assembly.sections.map(s => s.name)).toEqual(BUILT_IN)
     expect(assembly.tools).toHaveLength(0)
@@ -131,6 +141,17 @@ describe('SystemPrompt', () => {
     expect(contributed(await ctx.systemPrompt.assemble())).toEqual([])
   })
 
+  it('rejects duplicate and non-finite context registrations without leaking', async () => {
+    const ctx = new Context()
+    await ctx.plugin(SystemPrompt)
+    ctx.systemPrompt.context({ name: 'policy', order: 1, text: 'first' })
+    expect(() => ctx.systemPrompt.context({ name: 'policy', order: 2, text: 'second' }))
+      .toThrow('prompt context "policy" is already registered')
+    expect(() => ctx.systemPrompt.context({ name: 'bad', order: Number.NaN, text: 'x' }))
+      .toThrow('prompt context "bad" order must be a finite number')
+    expect((await ctx.systemPrompt.assemble()).contexts).toEqual([{ name: 'policy', text: 'first' }])
+  })
+
   it('rolls back a section when a system-prompt/change listener throws (P1-1)', async () => {
     const ctx = new Context()
     await ctx.plugin(SystemPrompt)
@@ -236,7 +257,7 @@ describe('SystemPrompt', () => {
     ctx.systemPrompt.section({ name: 'real', order: 0, text: 'real' })
 
     ctx.on('system-prompt/assemble', async () => {
-      return { sections: [], tools: [], variables: {} } satisfies PromptAssembly
+      return { sections: [], contexts: [], tools: [], variables: {} } satisfies PromptAssembly
     })
 
     const assembly = await ctx.systemPrompt.assemble()
@@ -252,6 +273,7 @@ describe('SystemPrompt', () => {
     const first = await ctx.systemPrompt.assemble()
     first.sections[0]!.name = 'mutated'
     first.sections[0]!.text = 'mutated'
+    first.contexts.push({ name: 'mutated', text: 'mutated' })
     first.tools[0]!.description = 'mutated'
     const firstParameters = first.tools[0]!.parameters as { properties: Record<string, unknown> }
     firstParameters.properties['leak'] = { type: 'string' }
@@ -259,6 +281,7 @@ describe('SystemPrompt', () => {
     const second = await ctx.systemPrompt.assemble()
     expect(second.sections.map(section => section.name)).toEqual(['harness:identity', 'deployment:persona', 'base'])
     expect(second.sections[0]!.text).toBe(IDENTITY)
+    expect(second.contexts).toEqual([])
     expect(second.tools).toEqual([{ name: 't', description: 'tool', parameters: { type: 'object', properties: {} } }])
   })
 
@@ -268,12 +291,33 @@ describe('SystemPrompt', () => {
         { name: 'empty', text: '' },
         { name: 'real', text: 'content' },
       ],
+      contexts: [],
       tools: [],
       variables: {},
     })
     expect(result).toBe('content')
   })
 
+  it('filters empty context, interpolates variables, and returns empty without active context', async () => {
+    const ctx = new Context()
+    await ctx.plugin(SystemPrompt)
+    ctx.systemPrompt.context({ name: 'empty', order: 0, text: '' })
+    expect(renderContextSnapshot(await ctx.systemPrompt.assemble())).toBe('')
+    ctx.systemPrompt.variable('mode', () => 'read-only')
+    ctx.systemPrompt.context({ name: 'policy', order: 1, text: 'Mode: {{mode}}.' })
+    expect(renderContextSnapshot(await ctx.systemPrompt.assemble()))
+      .toBe('Current runtime context. This snapshot supersedes earlier runtime-context snapshots.\n\nMode: read-only.')
+  })
+
+  it('attributes context interpolation failures to the contributing context', () => {
+    expect(() => renderContextSnapshot({
+      sections: [],
+      contexts: [{ name: 'policy', text: 'Mode: {{missing}}.' }],
+      tools: [],
+      variables: {},
+    })).toThrow('unknown prompt variable "{{missing}}" in context "policy"; registered variables: (none)')
+  })
+
   it('emits system-prompt/change when a tool provider is registered and disposed', async () => {
     const ctx = new Context()
     await ctx.plugin(SystemPrompt)
@@ -290,6 +334,17 @@ describe('SystemPrompt', () => {
     expect(changeCount).toBe(2)
   })
 
+  it('emits system-prompt/change when a context is registered and disposed', async () => {
+    const ctx = new Context()
+    await ctx.plugin(SystemPrompt)
+    let changeCount = 0
+    ctx.on('system-prompt/change', () => void changeCount++)
+    const dispose = ctx.systemPrompt.context({ name: 'policy', order: 0, text: 'current' })
+    expect(changeCount).toBe(1)
+    dispose()
+    expect(changeCount).toBe(2)
+  })
+
   it('cleans up tool providers on fiber dispose', async () => {
     const ctx = new Context()
     await ctx.plugin(SystemPrompt)
@@ -404,13 +459,14 @@ describe('SystemPrompt', () => {
     })
 
     it('names "(none)" when no variables are registered at all', () => {
-      expect(() => renderPrompt({ sections: [{ name: 's', text: '{{x}}' }], tools: [], variables: {} }))
+      expect(() => renderPrompt({ sections: [{ name: 's', text: '{{x}}' }], contexts: [], tools: [], variables: {} }))
         .toThrow('unknown prompt variable "{{x}}" in section "s"; registered variables: (none)')
     })
 
     it('throws when a referenced variable has no value for this assembly', () => {
       expect(() => renderPrompt({
         sections: [{ name: 'persona', text: 'in {{cwd}}' }],
+        contexts: [],
         tools: [],
         variables: { cwd: undefined },
       })).toThrow('prompt variable "{{cwd}}" has no value for this assembly (section "persona")')
@@ -419,6 +475,7 @@ describe('SystemPrompt', () => {
     it('throws on a malformed complete reference, e.g. inner spaces', () => {
       expect(() => renderPrompt({
         sections: [{ name: 's', text: 'on {{ model }}' }],
+        contexts: [],
         tools: [],
         variables: { model: 'm' },
       })).toThrow('malformed prompt variable reference "{{ model }}" in section "s"')
@@ -427,6 +484,7 @@ describe('SystemPrompt', () => {
     it('leaves a lone {{ verbatim only when NO }} follows anywhere after it', () => {
       const text = renderPrompt({
         sections: [{ name: 's', text: 'shell ${X:-{{fallback} stays' }],
+        contexts: [],
         tools: [],
         variables: {},
       })
@@ -439,6 +497,7 @@ describe('SystemPrompt', () => {
     ])('throws on a mangled reference with a }} still following ($label)', ({ text }) => {
       expect(() => renderPrompt({
         sections: [{ name: 's', text }],
+        contexts: [],
         tools: [],
         variables: { model: 'm' },
       })).toThrow('malformed prompt variable reference at')
@@ -449,6 +508,7 @@ describe('SystemPrompt', () => {
       // source into the prompt; Object.hasOwn must reject it instead.
       expect(() => renderPrompt({
         sections: [{ name: 's', text: 'on {{constructor}}' }],
+        contexts: [],
         tools: [],
         variables: { model: 'm' },
       })).toThrow('unknown prompt variable "{{constructor}}"')
@@ -465,6 +525,7 @@ describe('SystemPrompt', () => {
     it('never re-scans substituted values (a value containing {{sneaky}} stays literal)', () => {
       const text = renderPrompt({
         sections: [{ name: 's', text: 'v = {{model}}!' }],
+        contexts: [],
         tools: [],
         variables: { model: 'literal {{sneaky}} inside' },
       })
diff --git a/packages/core/tools/README.i18n.yaml b/packages/core/tools/README.i18n.yaml
index e888160b0f..d26f891f91 100644
--- a/packages/core/tools/README.i18n.yaml
+++ b/packages/core/tools/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/core/tools/README.md
-README.md: e7f395f8c1d6417db856e590f5267cf6887e4d12
-README.zh.md: acb4c047bf86e36c828882ff751d4be1f627f99e
+README.md: 15fc5839a3b0e3fa2d20c5a9cc50577e9807ffda
+README.zh.md: 8547ee4a796dcd93945dfa40373c14c10d7d0c8a
diff --git a/packages/core/tools/README.md b/packages/core/tools/README.md
index e7f395f8c1..15fc5839a3 100644
--- a/packages/core/tools/README.md
+++ b/packages/core/tools/README.md
@@ -108,7 +108,7 @@ Optional `isConcurrencySafe(args)` receives typed, softly validated arguments. E
 Tools optionally own pure `presentCall()` and `presentResult()` render intents, so UIs do not special-case tool names:
 
 - Call views are `{ card: 'generic', title, kind?, rawInput?, content?, locations? }`, `{ card: 'terminal', title, description?, cwd? }`, or `{ card: 'diff', title, diffs, locations? }`.
-- Result views are `{ card: 'generic', title?, content? }`, `{ card: 'terminal', title?, output?, exitCode?, signal? }`, `{ card: 'diff', title?, diffs }`, or `{ card: 'web', kind: 'search' | 'fetch', title?, … }` (a completed web retrieval; the `kind` arms carry the structured search sources or the fetch summary, and a UI without the `web` capability falls back to the raw result content).
+- Result views are `{ card: 'generic', title?, content? }`, `{ card: 'terminal', title?, output?, exitCode?, signal? }`, `{ card: 'diff', title?, diffs }`, `{ card: 'search', shape, title?, truncated, total, … }` (a completed discovery search — grouped-by-file matches for `shape: 'matches'` (grep) or a flat path list for `shape: 'paths'` (glob), with `truncated`/`total` so a UI never presents a capped result as complete; the view carries no result text and a search has no `card: 'search'` call-time analogue), `{ card: 'read', title?, path, offset, lines, totalLines, lang?, content? }` (a completed file read → a line-numbered, optionally syntax-highlighted code view; `offset` is the 1-based first line the window requested, kept even when `lines` is empty; `lines` is `{ number, text }[]` keeping each file line number, and `content` is the envelope-stripped text a UI without read support falls back to), or `{ card: 'web', kind: 'search' | 'fetch', title?, … }` (a completed web retrieval; the `kind` arms carry the structured search sources or the fetch summary, and a UI without the `web` capability falls back to the raw result content).
 
 Returning `undefined` selects generic fallback. Presenters depend only on their arguments and the durable result because UIs call them during live streaming and log replay. `output.presentationMeta(args, value)` derives JSON metadata for direct surface calls; that metadata persists with `tool/result` and returns to `presentResult`, while the canonical value itself remains execution-local and is never replayed. Nested Code dispatches do not compute metadata. `defineTool` soft-validates older logged arguments and falls back instead of crashing replay. `dsh-tool-bash` and `dsh-tool-fs` are the reference implementations; the [canonical-output Agent Note](../../../.agents/notes/implemented/architecture/2026-07-20-canonical-tool-output-contract.md) owns the value/presentation split and the [render-intent Agent Note](../../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md) owns card vocabulary.
 
diff --git a/packages/core/tools/README.zh.md b/packages/core/tools/README.zh.md
index acb4c047bf..8547ee4a79 100644
--- a/packages/core/tools/README.zh.md
+++ b/packages/core/tools/README.zh.md
@@ -108,7 +108,7 @@ ctx.tools.register(defineTool({
 工具可以选择拥有纯 `presentCall()` 和 `presentResult()` 呈现意图，使 UI 无需特殊处理工具名称：
 
 - 调用视图为 `{ card: 'generic', title, kind?, rawInput?, content?, locations? }`、`{ card: 'terminal', title, description?, cwd? }` 或 `{ card: 'diff', title, diffs, locations? }`。
-- 结果视图为 `{ card: 'generic', title?, content? }`、`{ card: 'terminal', title?, output?, exitCode?, signal? }`、`{ card: 'diff', title?, diffs }` 或 `{ card: 'web', kind: 'search' | 'fetch', title?, … }`（已完成的 web 检索；`kind` 各分支携带结构化的搜索来源或抓取摘要，不具备 `web` 能力的 UI 回退到原始结果内容）。
+- 结果视图为 `{ card: 'generic', title?, content? }`、`{ card: 'terminal', title?, output?, exitCode?, signal? }`、`{ card: 'diff', title?, diffs }`、`{ card: 'search', shape, title?, truncated, total, … }`（已完成的发现型搜索——`shape: 'matches'`（grep）为按文件分组的匹配，`shape: 'paths'`（glob）为扁平路径列表，配 `truncated`/`total` 使 UI 永不把被截断的结果当作完整结果呈现；该视图不携带结果文本，且搜索没有 `card: 'search'` 的调用时对应视图）、`{ card: 'read', title?, path, offset, lines, totalLines, lang?, content? }`（已完成的文件读取→带行号、可选语法高亮的代码视图；`offset` 是窗口请求的 1-based 起始行，即使 `lines` 为空也保留；`lines` 是 `{ number, text }[]`，保留每一行的文件行号，`content` 是无读取能力的 UI 回退时使用的去信封文本）或 `{ card: 'web', kind: 'search' | 'fetch', title?, … }`（已完成的 web 检索；`kind` 各分支携带结构化的搜索来源或抓取摘要，不具备 `web` 能力的 UI 回退到原始结果内容）。
 
 返回 `undefined` 会选择通用回退。呈现器只依赖其参数和持久结果，因为 UI 会在实时流式输出和日志回放期间调用它们。`output.presentationMeta(args, value)` 为直接接口调用派生 JSON 元数据；该元数据随 `tool/result` 持久化并传回 `presentResult`，而规范值本身仍只存在于执行局部，绝不会回放。嵌套 Code 分发不会计算元数据。`defineTool` 会软验证较旧的日志参数并回退，而不会使回放崩溃。`dsh-tool-bash` 与 `dsh-tool-fs` 是参考实现；[规范输出 Agent Note](../../../.agents/notes/implemented/architecture/2026-07-20-canonical-tool-output-contract.md) 规定值／呈现拆分，[呈现意图 Agent Note](../../../.agents/notes/implemented/architecture/2026-07-02-tool-render-intent-union.md) 规定卡片词汇。
 
diff --git a/packages/core/tools/src/index.ts b/packages/core/tools/src/index.ts
index e825a1a0dc..f30dce6cd0 100644
--- a/packages/core/tools/src/index.ts
+++ b/packages/core/tools/src/index.ts
@@ -74,6 +74,7 @@ export type {
   ToolCallKind,
   FileLocation,
   FileDiff,
+  ReadFileLine,
   ToolCallView,
   GenericCallView,
   TerminalCallView,
@@ -82,6 +83,12 @@ export type {
   GenericResultView,
   TerminalResultView,
   DiffResultView,
+  SearchResultView,
+  SearchMatchesResultView,
+  SearchPathsResultView,
+  SearchFileMatches,
+  SearchLineMatch,
+  ReadResultView,
   WebResultView,
   WebSearchResultView,
   WebFetchResultView,
diff --git a/packages/core/tools/src/presentation.ts b/packages/core/tools/src/presentation.ts
index d1e7d552b5..5ca7bc5989 100644
--- a/packages/core/tools/src/presentation.ts
+++ b/packages/core/tools/src/presentation.ts
@@ -117,6 +117,18 @@ export interface DiffCallView {
   locations?: FileLocation[]
 }
 
+/**
+ * One numbered line of a file, the unit a {@link ReadResultView} carries so a
+ * capable UI can render a syntax-highlighted, line-numbered code view. `number`
+ * is the 1-based line number in the file (a window past `offset` keeps the file's
+ * own numbering, not a 1-based re-count); `text` is the line without its trailing
+ * newline, already truncated to the read tool's per-line cap.
+ */
+export interface ReadFileLine {
+  number: number
+  text: string
+}
+
 /**
  * How a tool wants the COMPLETED call shown — the *result* state, after `execute`
  * returns. A `card`-tagged union mirroring {@link ToolCallView}: a UI switches on
@@ -125,7 +137,7 @@ export interface DiffCallView {
  * `ToolDefinition.presentResult`; omitting the method keeps the pending
  * title and renders the raw result content.
  */
-export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView | WebResultView
+export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView | SearchResultView | ReadResultView | WebResultView
 
 /**
  * The default completed card: an optional replacement title and reformatted
@@ -177,6 +189,124 @@ export interface DiffResultView {
   diffs: FileDiff[]
 }
 
+/** One matched line inside a {@link SearchFileMatches} group: its 1-based line number and text. */
+export interface SearchLineMatch {
+  /** 1-based line number of the match within its file. */
+  lineNumber: number
+  /** The matched line text, as the tool surfaced it (the per-line preview budget already applied). */
+  line: string
+}
+
+/** One file's grouped content matches for a {@link SearchMatchesResultView}, in first-seen file order. */
+export interface SearchFileMatches {
+  /** The file the matches belong to (the model-facing display path). */
+  path: string
+  /** The file's matched lines, in output order. */
+  matches: SearchLineMatch[]
+}
+
+/**
+ * A completed content search (`grep`) rendered as a search card whose matches are
+ * grouped by file, so a capable UI can list each file as an expandable group of
+ * its matched lines. `shape: 'matches'` discriminates this variant from the path
+ * variant ({@link SearchPathsResultView}) within {@link SearchResultView}. The
+ * discriminant is `shape`, not `kind`, so it never collides with the
+ * {@link ToolCallKind} `kind` an icon-picking bridge reads off a call view.
+ */
+export interface SearchMatchesResultView {
+  card: 'search'
+  shape: 'matches'
+  /** Replacement title for the completed call. Omit to keep the pending-state title. */
+  title?: string
+  /** Matched lines grouped by file, in first-seen file order. */
+  files: SearchFileMatches[]
+  /**
+   * Whether the tool capped the inline result: `files` carries only the retained
+   * matches, not every match the search found. A UI shows a capped indicator so it
+   * never presents a partial group as complete.
+   */
+  truncated: boolean
+  /** Total matches the search found before capping (equals the retained count when not `truncated`). */
+  total: number
+}
+
+/**
+ * A completed path search (`glob`) rendered as a search card whose result is a flat
+ * path list. `shape: 'paths'` discriminates this variant from the grouped-matches
+ * variant ({@link SearchMatchesResultView}) within {@link SearchResultView}.
+ */
+export interface SearchPathsResultView {
+  card: 'search'
+  shape: 'paths'
+  /** Replacement title for the completed call. Omit to keep the pending-state title. */
+  title?: string
+  /** The discovered paths, in the tool's result order (the retained page when `truncated`). */
+  paths: string[]
+  /**
+   * Whether the tool capped the inline result: `paths` carries only the retained
+   * page, not every path the search found. A UI shows a capped indicator so it
+   * never presents a partial list as complete.
+   */
+  truncated: boolean
+  /** Total paths the search found before capping (equals `paths.length` when not `truncated`). */
+  total: number
+}
+
+/**
+ * A completed search rendered as a search card, the result-time view a discovery
+ * tool (`grep`, `glob`) returns from `presentResult`. One `card: 'search'` view
+ * with two `shape`-discriminated variants: grouped-by-file content matches
+ * ({@link SearchMatchesResultView}) and a flat path list
+ * ({@link SearchPathsResultView}). Both carry a `truncated`/`total` signal so a UI
+ * never presents a capped result as complete. The view carries no result text: a
+ * UI without a search card falls back to the raw `tool/result` content. There is
+ * no call-time analogue: a search call stays a {@link GenericCallView}
+ * (`kind: 'search'`) because the pending state has no matches or paths to show —
+ * the structured shape exists only after `execute`.
+ */
+export type SearchResultView = SearchMatchesResultView | SearchPathsResultView
+
+/**
+ * A completed file read rendered as a line-numbered, optionally syntax-highlighted
+ * code view by a capable UI. Set by a tool whose call reads file text (e.g.
+ * `read`); the pending state stays a {@link GenericCallView} (`kind: 'read'`)
+ * because a call carries no content until `execute` returns. The structured
+ * `lines`/`path`/`lang`/`totalLines` fields cannot be reconstructed from the
+ * model-facing result text alone, so the read tool projects them through its
+ * `output.presentationMeta` (persisted with the session log) and `presentResult`
+ * narrows that metadata back into this view on live and replay paths alike. A UI
+ * without the read capability falls back to `content` (the model-facing text with
+ * its envelope stripped), so this view degrades to the generic text card.
+ */
+export interface ReadResultView {
+  card: 'read'
+  /** Replacement title for the completed call. Omit to keep the pending-state title. */
+  title?: string
+  /** The read file's path (the model-facing path; the bridge relativizes it). */
+  path: string
+  /**
+   * The 1-based first line the window requested, preserved even when `lines` is
+   * empty (a byte cap below the first selected line yields an empty window) so a
+   * UI knows where the window starts and where a continuation resumes.
+   */
+  offset: number
+  /** The returned window's lines, in file order, each keeping its file line number. */
+  lines: ReadFileLine[]
+  /** Exact total line count in the file, so a UI can show a "showing N of M" affordance. */
+  totalLines: number
+  /**
+   * A syntax-highlighting language hint derived from the file extension (e.g.
+   * `ts`, `py`), or omitted when the extension maps to no known language so a UI
+   * renders the lines as plain text.
+   */
+  lang?: string
+  /**
+   * The model-facing result content with its envelope stripped, for a UI without
+   * the read capability. Omit to let such a UI render the raw result content.
+   */
+  content?: ContentBlock[]
+}
+
 /**
  * One citeable source in a completed {@link WebSearchResultView}, the faithful
  * projection of one web-search source. The presentation projection of `dsh-web`'s
diff --git a/packages/credentials/credentials-local/src/index.ts b/packages/credentials/credentials-local/src/index.ts
index c62d4411fa..c11c2db20c 100644
--- a/packages/credentials/credentials-local/src/index.ts
+++ b/packages/credentials/credentials-local/src/index.ts
@@ -364,10 +364,6 @@ export class CredentialsLocal extends Credentials {
         // After the commit: a broken observer must never make the durable
         // write look failed (an INVARIANT failure still rethrows).
         this.notifyUpdated(ref)
-      }, {
-        onStaleBreak: (lockPath) => {
-          this.ctx.logger.warn('credentials-local: breaking a stale writer lock at %s', lockPath)
-        },
       })
     })
   }
diff --git a/packages/credentials/credentials-local/tests/review-fixes.spec.ts b/packages/credentials/credentials-local/tests/review-fixes.spec.ts
index 7583cf0813..78e51c90e1 100644
--- a/packages/credentials/credentials-local/tests/review-fixes.spec.ts
+++ b/packages/credentials/credentials-local/tests/review-fixes.spec.ts
@@ -4,7 +4,7 @@
 // editor's multi-line and CRLF discipline.
 import { afterEach, describe, expect, it, vi } from 'vitest'
 import { Context } from 'cordis'
-import { mkdtemp, readFile, rm, stat, utimes, writeFile } from 'node:fs/promises'
+import { mkdtemp, readFile, rm, stat, writeFile } from 'node:fs/promises'
 import { tmpdir } from 'node:os'
 import { join } from 'node:path'
 import { credentialRef } from '@deepseek-ai/dsh-credentials'
@@ -68,17 +68,6 @@ describe('read-modify-write', () => {
     expect(await third.credentials.resolve(BETA)).toEqual({ value: '3', source: 'file' })
   })
 
-  it('breaks a stale writer lock with a warning and writes through', async () => {
-    const dir = await tempDir()
-    const path = join(dir, '.env')
-    const ctx = await boot({ path, watch: false })
-    await writeFile(`${path}.lock`, 'crashed-holder\n')
-    const past = (Date.now() - 60_000) / 1000
-    await utimes(`${path}.lock`, past, past)
-    await ctx.credentials.set(ALPHA, 'nine')
-    expect(await readFile(path, 'utf8')).toContain(`${ALPHA}=nine`)
-  })
-
   it('creates the credentials directory owner-only', async () => {
     const dir = await tempDir()
     const home = join(dir, 'home')
diff --git a/packages/fs/fs-sandbox/README.i18n.yaml b/packages/fs/fs-sandbox/README.i18n.yaml
index 2b12b6c282..e6d4780297 100644
--- a/packages/fs/fs-sandbox/README.i18n.yaml
+++ b/packages/fs/fs-sandbox/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/fs/fs-sandbox/README.md
-README.md: 790444a4184b9bcccd3a0798cf0c09cb6f1b166e
-README.zh.md: d54bdcbe65673b6892ebd1d539dd066f66d68cb6
+README.md: d6070f4971e7531e929e659b6b5ed476a672dc5d
+README.zh.md: c051b240163f229f7fbc583939c9f4da5095e9aa
diff --git a/packages/fs/fs-sandbox/README.md b/packages/fs/fs-sandbox/README.md
index 790444a418..d6070f4971 100644
--- a/packages/fs/fs-sandbox/README.md
+++ b/packages/fs/fs-sandbox/README.md
@@ -22,11 +22,19 @@ A denial is a structured `FsError` (`FS_SANDBOX_DENIED`, carrying the effective
 
 ## Model Experience
 
-Indirectly, through `dsh-tool-fs`, which renders this backend's `FS_SANDBOX_DENIED` refusals as the `[sandbox: file access denied under <mode> mode]` marker plus the same-turn escalation hint.
+### Filesystem policy and refusals
+
+#### What the model sees
+
+The policy owner contributes capability-neutral `sandbox:policy` context. Indirectly, `dsh-tool-fs` renders this backend's `FS_SANDBOX_DENIED` refusals as the `[sandbox: file access denied under <mode> mode]` marker plus the same-turn escalation hint.
+
+#### Token effect
+
+The current-policy clause adds a small runtime-context message while this backend is mounted; a denial adds the bounded marker and escalation hint to conversation history.
 
 #### KV Cache effect
 
-No direct invalidation; the named consumer owns any request-prefix changes.
+A standing-policy change appends an owner-rendered superseding runtime-context snapshot after retained history; operation results remain append-only.
 
 ## Known Limitations and Deferred Work
 
diff --git a/packages/fs/fs-sandbox/README.zh.md b/packages/fs/fs-sandbox/README.zh.md
index d54bdcbe65..c051b24016 100644
--- a/packages/fs/fs-sandbox/README.zh.md
+++ b/packages/fs/fs-sandbox/README.zh.md
@@ -22,11 +22,19 @@
 
 ## 模型体验
 
-通过 `dsh-tool-fs` 间接产生影响；该消费方把本后端的 `FS_SANDBOX_DENIED` 拒绝渲染为 `[sandbox: file access denied under <mode> mode]` 标记和同轮次升级提示。
+### 文件系统策略与拒绝
+
+#### 模型看到的内容
+
+策略归属方会贡献与具体能力无关的 `sandbox:policy` 上下文。作为间接影响，`dsh-tool-fs` 会把本后端的 `FS_SANDBOX_DENIED` 拒绝渲染为 `[sandbox: file access denied under <mode> mode]` 标记和同轮次升级提示。
+
+#### Token 影响
+
+该后端挂载期间，当前策略条款会增加一条简短的运行时上下文消息；拒绝则会把有界标记和升级提示追加到对话历史。
 
 #### KV Cache 影响
 
-不会直接使缓存失效；上述消费方负责请求前缀的任何变化。
+常驻策略发生变化时，会在保留的历史之后追加一份由归属方渲染、取代先前状态的运行时上下文快照；操作结果保持仅追加。
 
 ## 已知限制与暂缓事项
 
diff --git a/packages/fs/fs-sandbox/src/index.ts b/packages/fs/fs-sandbox/src/index.ts
index 796b65f192..5e0121c89a 100644
--- a/packages/fs/fs-sandbox/src/index.ts
+++ b/packages/fs/fs-sandbox/src/index.ts
@@ -44,7 +44,7 @@ import { isPathUnder } from './containment.ts'
  * Plugin config: the local backend's knobs, verbatim (only `cwd`, the resolve
  * base for relative paths). The sandbox default (mode + `workspace-write`
  * fallback root) is NOT here — `ctx.sandboxPolicy` resolves each calling
- * session for both enforcing families.
+ * session for every enforcing capability.
  */
 export type Config = LocalConfig
 
diff --git a/packages/fs/tool-fs-search/src/glob.ts b/packages/fs/tool-fs-search/src/glob.ts
index d934e76d21..2670ab57c4 100644
--- a/packages/fs/tool-fs-search/src/glob.ts
+++ b/packages/fs/tool-fs-search/src/glob.ts
@@ -11,11 +11,12 @@
 import type { Context } from 'cordis'
 import { sep } from 'node:path'
 import { defineTool } from '@deepseek-ai/dsh-tools'
-import type { GenericCallView } from '@deepseek-ai/dsh-tools'
+import type { GenericCallView, SearchResultView, ToolResult } from '@deepseek-ai/dsh-tools'
 import type { SpillRef } from '@deepseek-ai/dsh-spill'
 import type {} from '@deepseek-ai/dsh-bash'
 import type {} from '@deepseek-ai/dsh-system-prompt'
 import { runRipgrep, toWorkdirRelative, trySaveFormattedResult } from './search-core.ts'
+import { globSearchMeta, searchViewFromMeta } from './presentation.ts'
 import { singleQuote } from './shell-quote.ts'
 import { acceptedSurfaceValue } from './surface.ts'
 
@@ -43,6 +44,8 @@ export interface GlobToolCaps {
   sampleOverCapGlobResults: boolean
   /** Max paths retained inline; later paths go to the formatted spill file. */
   maxResults: number
+  /** Max bytes of serialized `presentationMeta`; trailing paths drop past it. */
+  maxMetaBytes: number
   /** Cap on the complete raw `rg` stdout the tool will parse. */
   rawOutputMaxBytes: number
   /** Cooperative tool-call budget (ms) attached as `ToolDefinition.timeoutMs`. */
@@ -231,6 +234,24 @@ function renderGlobPaths(paths: string[], caps: GlobToolCaps, root: string, spil
   return formatGlobOutput(sampleAcrossTopLevel(paths, caps.maxResults, root), paths.length, spillRef)
 }
 
+/**
+ * The inline page of paths a completed `glob` card shows, computed the SAME way
+ * {@link renderGlobPaths} computes its model-facing page so the card and the text
+ * agree on which paths survived the cap. A result within the cap is shown whole;
+ * an over-cap result is either the modification-time head or the top-level sample,
+ * matching the deployment's `sampleOverCapGlobResults`.
+ *
+ * @param paths - the complete discovered path list, in modification-time order.
+ * @param caps - the resolved glob caps (the inline cap and the sampling switch).
+ * @param root - the search root in the same display-path space as `paths`.
+ * @returns the inline page and whether the complete result was capped.
+ */
+function globCardPage(paths: string[], caps: GlobToolCaps, root: string): { items: string[]; truncated: boolean } {
+  if (paths.length <= caps.maxResults) return { items: paths, truncated: false }
+  if (!caps.sampleOverCapGlobResults) return { items: paths.slice(0, caps.maxResults), truncated: true }
+  return { items: sampleAcrossTopLevel(paths, caps.maxResults, root).items, truncated: true }
+}
+
 /**
  * Pending-call presentation: a search card titled by the pattern (and root).
  *
@@ -242,6 +263,24 @@ export function presentGlobCall(args: { pattern: string; path?: string }): Gener
   return { card: 'generic', title: `Glob ${args.pattern}${where}`, kind: 'search', rawInput: args.pattern }
 }
 
+/**
+ * Completed-call presentation: the search card projected from the result's
+ * `presentationMeta` (the discovered path list, with the truncation signal). A UI
+ * without a search card falls back to the raw `tool/result` content, so the view
+ * carries no result text of its own. Malformed or absent metadata (an obsolete or
+ * hand-edited replayed log) falls back to the generic card.
+ *
+ * @param _args - the raw tool arguments; unused, the view derives from the result.
+ * @param result - the final model-facing tool result carrying the projected metadata.
+ * @returns the search card view, or `undefined` for the generic fallback.
+ */
+export function presentGlobResult(_args: { pattern: string; path?: string }, result: ToolResult): SearchResultView | undefined {
+  if (result.isError) return undefined
+  const view = searchViewFromMeta(result.meta)
+  if (view === undefined || view.shape !== 'paths') return undefined
+  return view
+}
+
 /**
  * Register the `glob` tool and its system-prompt guidance.
  *
@@ -289,6 +328,10 @@ export function applyGlobTool(ctx: Context, caps: GlobToolCaps): void {
         },
       },
       render: (_args, value) => [{ type: 'text', text: renderGlobPaths(value.paths, caps, value.root) }],
+      presentationMeta: (_args, value) => {
+        const page = globCardPage(value.paths, caps, value.root)
+        return globSearchMeta({ items: page.items, truncated: page.truncated, seen: value.paths.length }, caps.maxMetaBytes)
+      },
     },
     async execute(args, exec) {
       const input = parseGlobArgs(args)
@@ -305,6 +348,7 @@ export function applyGlobTool(ctx: Context, caps: GlobToolCaps): void {
       return { root, paths: all }
     },
     presentCall: presentGlobCall,
+    presentResult: presentGlobResult,
   })
   ctx.tools.register(tool)
 
diff --git a/packages/fs/tool-fs-search/src/grep.ts b/packages/fs/tool-fs-search/src/grep.ts
index aa82749f3f..b7e67ea153 100644
--- a/packages/fs/tool-fs-search/src/grep.ts
+++ b/packages/fs/tool-fs-search/src/grep.ts
@@ -12,13 +12,14 @@
 
 import type { Context } from 'cordis'
 import { defineTool } from '@deepseek-ai/dsh-tools'
-import type { GenericCallView } from '@deepseek-ai/dsh-tools'
-import { ItemRetainer, TextRetainer } from '@deepseek-ai/dsh-retention'
+import type { GenericCallView, SearchResultView, ToolResult } from '@deepseek-ai/dsh-tools'
 import type { RetainedItems } from '@deepseek-ai/dsh-retention'
 import type { SpillRef } from '@deepseek-ai/dsh-spill'
 import type {} from '@deepseek-ai/dsh-bash'
 import type {} from '@deepseek-ai/dsh-system-prompt'
-import { SearchError, runRipgrep, toWorkdirRelative, trySaveFormattedResult } from './search-core.ts'
+import type { GrepMatch } from './search-core.ts'
+import { SearchError, previewLine, retainGrepMatches, runRipgrep, toWorkdirRelative, trySaveFormattedResult } from './search-core.ts'
+import { grepSearchMeta, searchViewFromMeta } from './presentation.ts'
 import { singleQuote } from './shell-quote.ts'
 import { acceptedSurfaceValue } from './surface.ts'
 
@@ -41,6 +42,8 @@ export interface GrepToolCaps {
   maxMatches: number
   /** Max bytes retained per matched-line preview. */
   maxLineBytes: number
+  /** Max bytes of serialized `presentationMeta`; trailing file groups drop past it. */
+  maxMetaBytes: number
   /** Cap on the complete raw `rg` stdout the tool will parse. */
   rawOutputMaxBytes: number
   /** Cooperative tool-call budget (ms) attached as `ToolDefinition.timeoutMs`. */
@@ -54,13 +57,6 @@ export interface GrepInput {
   include?: string
 }
 
-/** One parsed match: the file, the 1-based line number, and the (possibly previewed) line text. */
-export interface GrepMatch {
-  path: string
-  lineNumber: number
-  line: string
-}
-
 /**
  * Reject an `include` that is not ONE positive glob filter: blank strings,
  * negated patterns (`!…`), and comma-separated lists. A comma inside a brace
@@ -177,22 +173,6 @@ export function parseGrepMatches(stdout: string): GrepMatch[] {
   return matches
 }
 
-/**
- * Bound one matched-line preview to `maxBytes` (UTF-8 boundary preserved) and
- * mark the cut. The cap is a per-line budget fact; the complete line stays in
- * the searched file for `read`.
- *
- * @param line - the matched line text (trailing newline already stripped).
- * @param maxBytes - the preview budget in bytes.
- * @returns the preview, suffixed with ` (line truncated)` when bytes were cut.
- */
-export function previewLine(line: string, maxBytes: number): string {
-  const retainer = new TextRetainer({ kind: 'head', maxBytes })
-  retainer.push(line)
-  const kept = retainer.finish()
-  return kept.truncated ? `${kept.text} (line truncated)` : kept.text
-}
-
 /** `match` / `matches` for a count. */
 function matchNoun(count: number): string {
   return count === 1 ? 'match' : 'matches'
@@ -241,18 +221,10 @@ export function formatGrepOutput(retained: RetainedItems<GrepMatch>, spillRef: S
   return `${header}\n\n${body}\n\n(${recovery})`
 }
 
-/** Apply the Native per-line preview budget without changing the canonical matches. */
-function previewGrepMatches(matches: GrepMatch[], maxLineBytes: number): GrepMatch[] {
-  return matches.map(match => ({ ...match, line: previewLine(match.line, maxLineBytes) }))
-}
-
-/** Retain and format one canonical match list for the Native surface. */
-function renderGrepMatches(matches: GrepMatch[], maxMatches: number, maxLineBytes: number, spillRef?: SpillRef): string {
-  if (matches.length === 0) return 'No matches found'
-  const previewed = previewGrepMatches(matches, maxLineBytes)
-  const retainer = new ItemRetainer<GrepMatch>({ kind: 'head', maxItems: maxMatches })
-  for (const match of previewed) retainer.push(match)
-  return formatGrepOutput(retainer.finish(), spillRef)
+/** Format one already-retained match list for the Native surface. */
+function formatRetainedGrep(retained: RetainedItems<GrepMatch>, spillRef?: SpillRef): string {
+  if (retained.seen === 0) return 'No matches found'
+  return formatGrepOutput(retained, spillRef)
 }
 
 /**
@@ -268,6 +240,27 @@ export function presentGrepCall(args: { pattern: string; path?: string; include?
   return { card: 'generic', title: `Grep ${args.pattern}${where}${filter}`, kind: 'search', rawInput: args.pattern }
 }
 
+/**
+ * Completed-call presentation: the search card projected from the result's
+ * `presentationMeta` (matches grouped by file, with the truncation signal). A UI
+ * without a search card falls back to the raw `tool/result` content, so the view
+ * carries no result text of its own. Malformed or absent metadata (an obsolete or
+ * hand-edited replayed log) falls back to the generic card.
+ *
+ * @param _args - the raw tool arguments; unused, the view derives from the result.
+ * @param result - the final model-facing tool result carrying the projected metadata.
+ * @returns the search card view, or `undefined` for the generic fallback.
+ */
+export function presentGrepResult(
+  _args: { pattern: string; path?: string; include?: string },
+  result: ToolResult,
+): SearchResultView | undefined {
+  if (result.isError) return undefined
+  const view = searchViewFromMeta(result.meta)
+  if (view === undefined || view.shape !== 'matches') return undefined
+  return view
+}
+
 /**
  * Register the `grep` tool and its system-prompt guidance.
  *
@@ -315,8 +308,10 @@ export function applyGrepTool(ctx: Context, caps: GrepToolCaps): void {
       },
       render: (_args, value) => [{
         type: 'text',
-        text: renderGrepMatches(value.matches, caps.maxMatches, caps.maxLineBytes),
+        text: formatRetainedGrep(retainGrepMatches(value.matches, caps.maxMatches, caps.maxLineBytes)),
       }],
+      presentationMeta: (_args, value) =>
+        grepSearchMeta(retainGrepMatches(value.matches, caps.maxMatches, caps.maxLineBytes), caps.maxMetaBytes),
     },
     async execute(args, exec) {
       const input = parseGrepArgs(args)
@@ -335,6 +330,7 @@ export function applyGrepTool(ctx: Context, caps: GrepToolCaps): void {
       return { matches: all }
     },
     presentCall: presentGrepCall,
+    presentResult: presentGrepResult,
   })
   ctx.tools.register(tool)
 
@@ -344,17 +340,20 @@ export function applyGrepTool(ctx: Context, caps: GrepToolCaps): void {
     if (value === undefined) return decision
     const matches = value.matches
     if (matches.length <= caps.maxMatches) return decision
+    // The spill artifact holds the COMPLETE result: preview each line, but keep
+    // every match (no inline cap), so the recovery file is the full search.
+    const previewedAll = matches.map(match => ({ ...match, line: previewLine(match.line, caps.maxLineBytes) }))
     const spillRef = await trySaveFormattedResult(
       ctx,
       exec,
       'grep-results.txt',
-      `Found ${matches.length} ${matchNoun(matches.length)}\n\n${formatGrepMatches(previewGrepMatches(matches, caps.maxLineBytes))}`,
+      `Found ${matches.length} ${matchNoun(matches.length)}\n\n${formatGrepMatches(previewedAll)}`,
     )
     return {
       kind: 'accept',
       content: [{
         type: 'text',
-        text: renderGrepMatches(matches, caps.maxMatches, caps.maxLineBytes, spillRef),
+        text: formatRetainedGrep(retainGrepMatches(matches, caps.maxMatches, caps.maxLineBytes), spillRef),
       }],
       ...decision.additionalContexts !== undefined ? { additionalContexts: decision.additionalContexts } : {},
     }
diff --git a/packages/fs/tool-fs-search/src/index.ts b/packages/fs/tool-fs-search/src/index.ts
index eea213a938..072865d568 100644
--- a/packages/fs/tool-fs-search/src/index.ts
+++ b/packages/fs/tool-fs-search/src/index.ts
@@ -31,9 +31,9 @@ import type { Context } from 'cordis'
 import z from 'schemastery'
 import { GLOB_MAX_RESULTS, applyGlobTool } from './glob.ts'
 import { GREP_MAX_LINE_BYTES, GREP_MAX_MATCHES, applyGrepTool } from './grep.ts'
-import { RAW_OUTPUT_MAX_BYTES, SEARCH_TIMEOUT_MS } from './search-core.ts'
+import { RAW_OUTPUT_MAX_BYTES, SEARCH_META_MAX_BYTES, SEARCH_TIMEOUT_MS } from './search-core.ts'
 
-export { GLOB_MAX_RESULTS, GLOB_VCS_EXCLUDES, applyGlobTool, buildGlobCommand, formatGlobOutput, parseGlobArgs, presentGlobCall, sampleAcrossTopLevel } from './glob.ts'
+export { GLOB_MAX_RESULTS, GLOB_VCS_EXCLUDES, applyGlobTool, buildGlobCommand, formatGlobOutput, parseGlobArgs, presentGlobCall, presentGlobResult, sampleAcrossTopLevel } from './glob.ts'
 export type { GlobInput, GlobSample, GlobToolCaps } from './glob.ts'
 export {
   GREP_MAX_LINE_BYTES,
@@ -45,11 +45,20 @@ export {
   parseGrepArgs,
   parseGrepMatches,
   presentGrepCall,
-  previewLine,
+  presentGrepResult,
 } from './grep.ts'
-export type { GrepInput, GrepMatch, GrepToolCaps } from './grep.ts'
-export { RAW_OUTPUT_MAX_BYTES, SEARCH_TIMEOUT_MS, SearchError, runRipgrep, toWorkdirRelative, trySaveFormattedResult } from './search-core.ts'
-export type { RipgrepRun, SearchErrorCode } from './search-core.ts'
+export type { GrepInput, GrepToolCaps } from './grep.ts'
+export {
+  RAW_OUTPUT_MAX_BYTES,
+  SEARCH_META_MAX_BYTES,
+  SEARCH_TIMEOUT_MS,
+  SearchError,
+  previewLine,
+  runRipgrep,
+  toWorkdirRelative,
+  trySaveFormattedResult,
+} from './search-core.ts'
+export type { GrepMatch, RipgrepRun, SearchErrorCode } from './search-core.ts'
 export { singleQuote } from './shell-quote.ts'
 
 /** Cordis plugin name used by loader diagnostics. */
@@ -68,6 +77,8 @@ export interface Config {
   grepMaxMatches?: number
   /** Max bytes retained for one matched-line preview (the cut preserves UTF-8 boundaries). */
   grepMaxLineBytes?: number
+  /** Max bytes of one search's serialized `presentationMeta`; trailing groups/paths drop past it so the persisted card stays bounded. */
+  searchMetaMaxBytes?: number
   /** Max complete raw `rg` stdout bytes a search will parse; larger raw output fails with `SEARCH_RAW_OUTPUT_OVERFLOW`. */
   rawOutputMaxBytes?: number
   /** Cooperative tool-call timeout budget (ms) on both tools, enforced by `@deepseek-ai/dsh-timeout-policy` through `exec.signal`. */
@@ -79,6 +90,7 @@ export const Config: z<Config> = z.object({
   globMaxResults: z.number().default(GLOB_MAX_RESULTS),
   grepMaxMatches: z.number().default(GREP_MAX_MATCHES),
   grepMaxLineBytes: z.number().default(GREP_MAX_LINE_BYTES),
+  searchMetaMaxBytes: z.number().default(SEARCH_META_MAX_BYTES),
   rawOutputMaxBytes: z.number().default(RAW_OUTPUT_MAX_BYTES),
   timeoutMs: z.number().default(SEARCH_TIMEOUT_MS),
 })
@@ -133,6 +145,7 @@ export async function apply(ctx: Context, config: Config): Promise<void> {
   assertPositiveInteger('globMaxResults', resolved.globMaxResults)
   assertPositiveInteger('grepMaxMatches', resolved.grepMaxMatches)
   assertPositiveInteger('grepMaxLineBytes', resolved.grepMaxLineBytes)
+  assertPositiveInteger('searchMetaMaxBytes', resolved.searchMetaMaxBytes)
   assertPositiveInteger('rawOutputMaxBytes', resolved.rawOutputMaxBytes)
   assertPositiveInteger('timeoutMs', resolved.timeoutMs)
   if (!await ripgrepAvailable(ctx)) {
@@ -142,12 +155,14 @@ export async function apply(ctx: Context, config: Config): Promise<void> {
   applyGlobTool(ctx, {
     sampleOverCapGlobResults: resolved.sampleOverCapGlobResults,
     maxResults: resolved.globMaxResults,
+    maxMetaBytes: resolved.searchMetaMaxBytes,
     rawOutputMaxBytes: resolved.rawOutputMaxBytes,
     timeoutMs: resolved.timeoutMs,
   })
   applyGrepTool(ctx, {
     maxMatches: resolved.grepMaxMatches,
     maxLineBytes: resolved.grepMaxLineBytes,
+    maxMetaBytes: resolved.searchMetaMaxBytes,
     rawOutputMaxBytes: resolved.rawOutputMaxBytes,
     timeoutMs: resolved.timeoutMs,
   })
diff --git a/packages/fs/tool-fs-search/src/presentation.ts b/packages/fs/tool-fs-search/src/presentation.ts
new file mode 100644
index 0000000000..b0bb20f4da
--- /dev/null
+++ b/packages/fs/tool-fs-search/src/presentation.ts
@@ -0,0 +1,205 @@
+/**
+ * Result-time search-card presentation for `grep` and `glob`. Both tools land on
+ * one `card: 'search'` render intent ({@link SearchResultView}) with two
+ * `shape`-discriminated variants: `grep` projects its matches grouped by file
+ * ({@link SearchMatchesResultView}), `glob` projects a flat path list
+ * ({@link SearchPathsResultView}). This module owns the value→`presentationMeta`
+ * projection each tool declares and the defensive `meta`→view narrowing each
+ * tool's `presentResult` reads back on replay.
+ *
+ * The canonical value never crosses the wire — only the model-facing render text
+ * and this JSON `meta` do — so the structured shape a UI renders MUST ride in
+ * `meta`. Each projection consumes the SAME retained matches/paths the
+ * model-facing render consumes ({@link module:@deepseek-ai/dsh-tool-fs-search/search-core}
+ * `retainGrepMatches`/`retainGlobPaths`), so text and card agree about which
+ * results survived the inline cap, and reports `total` (every result found) and
+ * `truncated`, so a UI never presents a capped result as complete.
+ *
+ * A second, independent cap bounds the JSON `meta` itself: the retained matches
+ * of a broad search (hundreds of long lines) can still serialize to hundreds of
+ * kilobytes, and `meta` is persisted with the session log and re-sent on every
+ * request. {@link capMetaBytes} drops trailing groups/paths until the serialized
+ * `meta` fits `maxMetaBytes` and marks the result `truncated`; a deployment's
+ * final output budget (`dsh-spill-policy`) only shrinks `content`, never `meta`,
+ * so this projection owns keeping `meta` bounded.
+ *
+ * @module @deepseek-ai/dsh-tool-fs-search/presentation
+ */
+
+import type {
+  SearchFileMatches,
+  SearchLineMatch,
+  SearchResultView,
+} from '@deepseek-ai/dsh-tools'
+import type { RetainedItems } from '@deepseek-ai/dsh-retention'
+import type { GrepMatch } from './search-core.ts'
+
+/**
+ * The retention fields a meta projection reads: the retained page, whether the
+ * complete result was capped, and the pre-cap total. Both a full
+ * {@link RetainedItems} (from `retainGrepMatches`) and `glob`'s sampled page
+ * satisfy this structural subset, so a projection consumes either without a fake
+ * `kept`/`omitted`.
+ */
+type RetainedPage<T> = Pick<RetainedItems<T>, 'items' | 'truncated' | 'seen'>
+
+/**
+ * The `grep`/`glob` tools' private `tool/result` `meta` payload: the capped,
+ * structured search result. Attached opaquely (as `JsonValue`) on the tool result
+ * and persisted with the session log, so `presentResult` reproduces the search
+ * card on replay. The `matches` shape carries the by-file groups; the `paths`
+ * shape carries the flat list. Both carry the pre-cap `total` and the `truncated`
+ * flag. The producing tool owns and narrows this opaque shape.
+ *
+ * The member shapes use object-literal `type` aliases rather than the
+ * {@link SearchFileMatches}/{@link SearchLineMatch} interfaces because only a type
+ * alias is assignable to the `JsonValue` index signature `presentationMeta`
+ * returns; the two are structurally identical, so the projected value still reads
+ * back as a {@link SearchResultView}.
+ */
+export type SearchMeta =
+  | { shape: 'matches'; files: MetaFileMatches[]; truncated: boolean; total: number }
+  | { shape: 'paths'; paths: string[]; truncated: boolean; total: number }
+
+/** One matched line in {@link SearchMeta} (the JSON-assignable form of {@link SearchLineMatch}). */
+type MetaLineMatch = { lineNumber: number; line: string }
+
+/** One file's grouped matches in {@link SearchMeta} (the JSON-assignable form of {@link SearchFileMatches}). */
+type MetaFileMatches = { path: string; matches: MetaLineMatch[] }
+
+/**
+ * Group flat matches by file (first-seen order) into the structured by-file shape
+ * a UI renders as expandable per-file groups. The grouping matches the
+ * model-facing text grouping
+ * ({@link module:@deepseek-ai/dsh-tool-fs-search/grep} `formatGrepMatches`), so
+ * card and text agree about file order and membership.
+ *
+ * @param matches - the retained matches to group, in output order.
+ * @returns one entry per file, in first-seen order.
+ */
+export function groupMatchesByFile(matches: GrepMatch[]): MetaFileMatches[] {
+  const byFile = new Map<string, MetaLineMatch[]>()
+  for (const match of matches) {
+    const entry: MetaLineMatch = { lineNumber: match.lineNumber, line: match.line }
+    const group = byFile.get(match.path)
+    if (group !== undefined) group.push(entry)
+    else byFile.set(match.path, [entry])
+  }
+  return Array.from(byFile, ([path, fileMatches]) => ({ path, matches: fileMatches }))
+}
+
+/** The serialized UTF-8 byte size of one meta payload (the size persisted and re-sent). */
+function metaBytes(meta: SearchMeta): number {
+  return Buffer.byteLength(JSON.stringify(meta), 'utf8')
+}
+
+/**
+ * Drop trailing top-level items (file groups or paths) until the serialized meta
+ * fits `maxMetaBytes`, marking the result `truncated` when anything was dropped.
+ * `total` is preserved (it counts what the search found, not what meta retains).
+ * A single item too large to fit on its own is kept: the invariant is a bounded
+ * payload wherever droppable, never an empty card that hides a real result.
+ *
+ * @param meta - the projected meta, already capped to the inline item count.
+ * @param maxMetaBytes - the serialized-meta byte budget.
+ * @returns the same meta when it fits, else a byte-bounded copy marked `truncated`.
+ */
+function capMetaBytes(meta: SearchMeta, maxMetaBytes: number): SearchMeta {
+  if (metaBytes(meta) <= maxMetaBytes) return meta
+  if (meta.shape === 'matches') {
+    const files = [...meta.files]
+    while (files.length > 1 && metaBytes({ ...meta, files, truncated: true }) > maxMetaBytes) files.pop()
+    return { ...meta, files, truncated: true }
+  }
+  const paths = [...meta.paths]
+  while (paths.length > 1 && metaBytes({ ...meta, paths, truncated: true }) > maxMetaBytes) paths.pop()
+  return { ...meta, paths, truncated: true }
+}
+
+/**
+ * Project the retained `grep` matches into {@link SearchMeta} for the search
+ * card. Consumes the same {@link RetainedItems} the model-facing render consumes
+ * (preview budget and inline match cap already applied), groups the retained
+ * matches by file, reports `total` (every parsed match) and `truncated`, then
+ * bounds the serialized meta to `maxMetaBytes`.
+ *
+ * @param retained - the retention outcome over every parsed match (previewed, capped).
+ * @param maxMetaBytes - the serialized-meta byte budget.
+ * @returns the `matches`-shaped search metadata.
+ */
+export function grepSearchMeta(retained: RetainedPage<GrepMatch>, maxMetaBytes: number): SearchMeta {
+  const meta: SearchMeta = {
+    shape: 'matches',
+    files: groupMatchesByFile(retained.items),
+    truncated: retained.truncated,
+    total: retained.seen,
+  }
+  return capMetaBytes(meta, maxMetaBytes)
+}
+
+/**
+ * Project the retained `glob` paths into {@link SearchMeta} for the search card.
+ * Consumes the same {@link RetainedItems} the model-facing render consumes (inline
+ * path cap already applied), reports `total` (every discovered path) and
+ * `truncated`, then bounds the serialized meta to `maxMetaBytes`.
+ *
+ * @param retained - the retention outcome over every discovered path (capped).
+ * @param maxMetaBytes - the serialized-meta byte budget.
+ * @returns the `paths`-shaped search metadata.
+ */
+export function globSearchMeta(retained: RetainedPage<string>, maxMetaBytes: number): SearchMeta {
+  const meta: SearchMeta = {
+    shape: 'paths',
+    paths: retained.items,
+    truncated: retained.truncated,
+    total: retained.seen,
+  }
+  return capMetaBytes(meta, maxMetaBytes)
+}
+
+/** Whether `value` is a valid {@link SearchLineMatch} (defensive narrowing from opaque `meta`). */
+function isSearchLineMatch(value: unknown): value is SearchLineMatch {
+  if (typeof value !== 'object' || value === null || Array.isArray(value)) return false
+  const { lineNumber, line } = value as Record<string, unknown>
+  return typeof lineNumber === 'number' && typeof line === 'string'
+}
+
+/** Whether `value` is a valid {@link SearchFileMatches} (defensive narrowing from opaque `meta`). */
+function isSearchFileMatches(value: unknown): value is SearchFileMatches {
+  if (typeof value !== 'object' || value === null || Array.isArray(value)) return false
+  const { path, matches } = value as Record<string, unknown>
+  return typeof path === 'string' && Array.isArray(matches) && matches.every(isSearchLineMatch)
+}
+
+/**
+ * Narrow opaque live or replayed result metadata to a {@link SearchResultView}.
+ * Malformed metadata returns `undefined` so `presentResult` can fall back to the
+ * generic card instead of throwing during replay of an older or hand-edited log.
+ * The view carries no result text: a UI without a search card falls back to the
+ * raw `tool/result` content.
+ *
+ * A zero-result meta (`files: []` / `paths: []`) narrows to a valid empty card —
+ * unlike the mirrored `diffsFromMeta`, which rejects empty diffs, because a
+ * zero-match grep is a legitimate result a UI shows as "no matches", not an
+ * absent projection.
+ *
+ * @param meta - result metadata (the {@link SearchMeta} the tool projected).
+ * @returns the search view, or `undefined` for absent or malformed metadata.
+ */
+export function searchViewFromMeta(meta: unknown): SearchResultView | undefined {
+  if (typeof meta !== 'object' || meta === null || Array.isArray(meta)) return undefined
+  const record = meta as Record<string, unknown>
+  const { truncated, total } = record
+  if (typeof truncated !== 'boolean' || typeof total !== 'number') return undefined
+  if (record.shape === 'matches') {
+    const { files } = record
+    if (!Array.isArray(files) || !files.every(isSearchFileMatches)) return undefined
+    return { card: 'search', shape: 'matches', files: files, truncated, total }
+  }
+  if (record.shape === 'paths') {
+    const { paths } = record
+    if (!Array.isArray(paths) || !paths.every((path): path is string => typeof path === 'string')) return undefined
+    return { card: 'search', shape: 'paths', paths, truncated, total }
+  }
+  return undefined
+}
diff --git a/packages/fs/tool-fs-search/src/search-core.ts b/packages/fs/tool-fs-search/src/search-core.ts
index 0eff077fea..402fc9d655 100644
--- a/packages/fs/tool-fs-search/src/search-core.ts
+++ b/packages/fs/tool-fs-search/src/search-core.ts
@@ -19,6 +19,8 @@
 import { isAbsolute, relative, sep } from 'node:path'
 import type { Context } from 'cordis'
 import { HarnessError } from '@deepseek-ai/dsh-llm'
+import { ItemRetainer, TextRetainer } from '@deepseek-ai/dsh-retention'
+import type { RetainedItems } from '@deepseek-ai/dsh-retention'
 import type { BashRunResult, CollectedOutput } from '@deepseek-ai/dsh-bash'
 import type { SaveTextSpill, SpillRef } from '@deepseek-ai/dsh-spill'
 import type { ToolExecution } from '@deepseek-ai/dsh-tools'
@@ -36,6 +38,18 @@ export const RAW_OUTPUT_MAX_BYTES = 20_000_000
  */
 export const SEARCH_TIMEOUT_MS = 30_000
 
+/**
+ * Default cap in bytes on one search's serialized `presentationMeta` (the
+ * `searchMetaMaxBytes` config). The inline match/path caps already bound the item
+ * COUNT, but retained matches of a broad search (many long lines) can still
+ * serialize to hundreds of kilobytes, and `meta` is persisted with the session
+ * log and re-sent on every request. A deployment's final output budget
+ * (`dsh-spill-policy`) only shrinks a result's `content`, never its `meta`, so the
+ * projection owns this cap. 64 KiB holds the full default-capped result of a
+ * typical search while bounding the pathological one.
+ */
+export const SEARCH_META_MAX_BYTES = 65_536
+
 /**
  * Stable, machine-routable codes for search failures. Package-owned (not
  * `FsErrorCode`) because these tools are bash-backed discovery, not `ctx.fs`
@@ -212,6 +226,63 @@ export function toWorkdirRelative(path: string, workdir: string): string {
   return rel
 }
 
+/** One parsed match: the file, the 1-based line number, and the (possibly previewed) line text. */
+export interface GrepMatch {
+  path: string
+  lineNumber: number
+  line: string
+}
+
+/**
+ * Bound one matched-line preview to `maxBytes` (UTF-8 boundary preserved) and
+ * mark the cut. The cap is a per-line budget fact; the complete line stays in
+ * the searched file for `read`.
+ *
+ * @param line - the matched line text (trailing newline already stripped).
+ * @param maxBytes - the preview budget in bytes.
+ * @returns the preview, suffixed with ` (line truncated)` when bytes were cut.
+ */
+export function previewLine(line: string, maxBytes: number): string {
+  const retainer = new TextRetainer({ kind: 'head', maxBytes })
+  retainer.push(line)
+  const kept = retainer.finish()
+  return kept.truncated ? `${kept.text} (line truncated)` : kept.text
+}
+
+/**
+ * Apply the shared inline cap to a canonical `grep` match list: preview each
+ * retained line to `maxLineBytes` and keep the first `maxMatches`. The single
+ * retention pass both the model-facing render ({@link module:@deepseek-ai/dsh-tool-fs-search/grep}
+ * `formatGrepOutput`) and the search-card projection
+ * ({@link module:@deepseek-ai/dsh-tool-fs-search/presentation} `grepSearchMeta`)
+ * consume, so text and card never disagree about which matches survived.
+ *
+ * @param matches - every match the search parsed (the canonical value's matches).
+ * @param maxMatches - the inline match cap (the `grepMaxMatches` config).
+ * @param maxLineBytes - the per-matched-line preview budget in bytes.
+ * @returns the retention outcome over the previewed matches.
+ */
+export function retainGrepMatches(matches: GrepMatch[], maxMatches: number, maxLineBytes: number): RetainedItems<GrepMatch> {
+  const retainer = new ItemRetainer<GrepMatch>({ kind: 'head', maxItems: maxMatches })
+  for (const match of matches) retainer.push({ ...match, line: previewLine(match.line, maxLineBytes) })
+  return retainer.finish()
+}
+
+/**
+ * Apply the shared inline cap to a canonical `glob` path list: keep the first
+ * `maxResults`. The single retention pass both the model-facing render and the
+ * search-card projection consume.
+ *
+ * @param paths - every path the search discovered (the canonical value's paths).
+ * @param maxResults - the inline path cap (the `globMaxResults` config).
+ * @returns the retention outcome over the paths.
+ */
+export function retainGlobPaths(paths: string[], maxResults: number): RetainedItems<string> {
+  const retainer = new ItemRetainer<string>({ kind: 'head', maxItems: maxResults })
+  for (const path of paths) retainer.push(path)
+  return retainer.finish()
+}
+
 /**
  * Best-effort save of one COMPLETE formatted search result through
  * `ctx.spillStore.saveText()` — the model-facing recovery path for a capped
diff --git a/packages/fs/tool-fs-search/tests/presentation.spec.ts b/packages/fs/tool-fs-search/tests/presentation.spec.ts
new file mode 100644
index 0000000000..59c47aece2
--- /dev/null
+++ b/packages/fs/tool-fs-search/tests/presentation.spec.ts
@@ -0,0 +1,176 @@
+/**
+ * Unit tests for the search-card presentation layer (`src/presentation.ts`): the
+ * canonical value → `presentationMeta` projections (`grepSearchMeta`,
+ * `globSearchMeta`, `groupMatchesByFile`) and the defensive `meta` → view
+ * narrowing (`searchViewFromMeta`). These pin the by-file grouping, the
+ * `truncated`/`total` honesty over already-retained input, the serialized-meta
+ * byte cap, and the malformed-metadata fallback a replayed or hand-edited log can
+ * deliver.
+ */
+
+import { describe, expect, it } from 'vitest'
+import type { JsonValue } from '@deepseek-ai/dsh-session'
+import {
+  globSearchMeta,
+  grepSearchMeta,
+  groupMatchesByFile,
+  searchViewFromMeta,
+} from '../src/presentation.ts'
+import type { GrepMatch } from '../src/search-core.ts'
+import { retainGlobPaths, retainGrepMatches } from '../src/search-core.ts'
+
+const match = (path: string, lineNumber: number, line: string): GrepMatch => ({ path, lineNumber, line })
+
+/** A byte cap large enough that no test payload here is meta-capped. */
+const WIDE = 1_000_000
+
+describe('groupMatchesByFile', () => {
+  it('groups matches by first-seen file order, keeping line/lineNumber only', () => {
+    expect(groupMatchesByFile([
+      match('b.ts', 2, 'x'),
+      match('a.ts', 1, 'y'),
+      match('b.ts', 5, 'z'),
+    ])).toEqual([
+      { path: 'b.ts', matches: [{ lineNumber: 2, line: 'x' }, { lineNumber: 5, line: 'z' }] },
+      { path: 'a.ts', matches: [{ lineNumber: 1, line: 'y' }] },
+    ])
+  })
+
+  it('returns an empty list for no matches', () => {
+    expect(groupMatchesByFile([])).toEqual([])
+  })
+})
+
+describe('grepSearchMeta', () => {
+  it('projects grouped matches with total and a false truncation flag within the cap', () => {
+    const meta = grepSearchMeta(retainGrepMatches([match('a.ts', 1, 'one'), match('a.ts', 2, 'two')], 10, 2000), WIDE)
+    expect(meta).toEqual({
+      shape: 'matches',
+      files: [{ path: 'a.ts', matches: [{ lineNumber: 1, line: 'one' }, { lineNumber: 2, line: 'two' }] }],
+      truncated: false,
+      total: 2,
+    })
+  })
+
+  it('reports the pre-cap total and truncation from the shared retention pass', () => {
+    const meta = grepSearchMeta(retainGrepMatches([match('a.ts', 1, 'one'), match('a.ts', 2, 'two'), match('b.ts', 3, 'three')], 2, 2000), WIDE)
+    expect(meta).toEqual({
+      shape: 'matches',
+      files: [{ path: 'a.ts', matches: [{ lineNumber: 1, line: 'one' }, { lineNumber: 2, line: 'two' }] }],
+      truncated: true,
+      total: 3,
+    })
+  })
+
+  it('carries the per-line preview budget (UTF-8 boundary) the retention pass applied', () => {
+    const meta = grepSearchMeta(retainGrepMatches([match('a.txt', 1, 'aéaéaéaé')], 10, 7), WIDE)
+    expect(meta).toMatchObject({ shape: 'matches', files: [{ path: 'a.txt', matches: [{ lineNumber: 1, line: 'aéaéa (line truncated)' }] }] })
+  })
+
+  it('drops trailing file groups until the serialized meta fits the byte cap, marking it truncated', () => {
+    const retained = retainGrepMatches(
+      [match('a.ts', 1, 'x'.repeat(60)), match('b.ts', 2, 'y'.repeat(60)), match('c.ts', 3, 'z'.repeat(60))],
+      10,
+      2000,
+    )
+    // One 60-byte group serializes to ~110 bytes; a 260-byte cap holds two, not three.
+    const meta = grepSearchMeta(retained, 260)
+    expect(meta.shape).toBe('matches')
+    if (meta.shape !== 'matches') throw new Error('unreachable')
+    expect(meta.truncated).toBe(true)
+    expect(meta.total).toBe(3)
+    expect(meta.files.length).toBeLessThan(3)
+    expect(Buffer.byteLength(JSON.stringify(meta), 'utf8')).toBeLessThanOrEqual(260)
+  })
+
+  it('keeps a single oversized group rather than emit an empty card', () => {
+    const meta = grepSearchMeta(retainGrepMatches([match('a.ts', 1, 'x'.repeat(500))], 10, 2000), 50)
+    expect(meta.shape).toBe('matches')
+    if (meta.shape !== 'matches') throw new Error('unreachable')
+    expect(meta.files).toHaveLength(1)
+    expect(meta.truncated).toBe(true)
+  })
+})
+
+describe('globSearchMeta', () => {
+  it('projects the path list with total and a false truncation flag within the cap', () => {
+    expect(globSearchMeta(retainGlobPaths(['a.ts', 'b.ts'], 10), WIDE)).toEqual({ shape: 'paths', paths: ['a.ts', 'b.ts'], truncated: false, total: 2 })
+  })
+
+  it('reports the pre-cap total and truncation from the shared retention pass', () => {
+    expect(globSearchMeta(retainGlobPaths(['a.ts', 'b.ts', 'c.ts'], 2), WIDE)).toEqual({ shape: 'paths', paths: ['a.ts', 'b.ts'], truncated: true, total: 3 })
+  })
+
+  it('drops trailing paths until the serialized meta fits the byte cap, marking it truncated', () => {
+    const retained = retainGlobPaths([`${'a'.repeat(100)}.ts`, `${'b'.repeat(100)}.ts`, `${'c'.repeat(100)}.ts`], 10)
+    const meta = globSearchMeta(retained, 180)
+    expect(meta.shape).toBe('paths')
+    if (meta.shape !== 'paths') throw new Error('unreachable')
+    expect(meta.truncated).toBe(true)
+    expect(meta.total).toBe(3)
+    expect(meta.paths.length).toBeLessThan(3)
+    expect(Buffer.byteLength(JSON.stringify(meta), 'utf8')).toBeLessThanOrEqual(180)
+  })
+})
+
+describe('searchViewFromMeta (defensive narrowing)', () => {
+  // The narrowing accepts an opaque JsonValue; a malformed payload is not a
+  // statically-valid JsonValue, so route every case through one cast helper that
+  // mirrors how a hand-edited/older session log delivers arbitrary shapes.
+  const m = (value: unknown): JsonValue | undefined => value as JsonValue | undefined
+
+  it('narrows a well-formed matches payload into a matches view', () => {
+    const meta = { shape: 'matches', files: [{ path: 'a.ts', matches: [{ lineNumber: 1, line: 'x' }] }], truncated: true, total: 5 }
+    expect(searchViewFromMeta(m(meta))).toEqual({ card: 'search', ...meta })
+  })
+
+  it('narrows a well-formed paths payload into a paths view', () => {
+    const meta = { shape: 'paths', paths: ['a.ts', 'b.ts'], truncated: false, total: 2 }
+    expect(searchViewFromMeta(m(meta))).toEqual({ card: 'search', ...meta })
+  })
+
+  it('narrows a zero-result payload into a valid empty card (not a rejected projection)', () => {
+    expect(searchViewFromMeta(m({ shape: 'matches', files: [], truncated: false, total: 0 })))
+      .toEqual({ card: 'search', shape: 'matches', files: [], truncated: false, total: 0 })
+    expect(searchViewFromMeta(m({ shape: 'paths', paths: [], truncated: false, total: 0 })))
+      .toEqual({ card: 'search', shape: 'paths', paths: [], truncated: false, total: 0 })
+  })
+
+  it('rejects undefined / non-object / array meta', () => {
+    expect(searchViewFromMeta(undefined)).toBeUndefined()
+    expect(searchViewFromMeta(null)).toBeUndefined()
+    expect(searchViewFromMeta(m('nope'))).toBeUndefined()
+    expect(searchViewFromMeta(m([]))).toBeUndefined()
+  })
+
+  it('rejects a payload with a missing / mistyped truncated or total field', () => {
+    expect(searchViewFromMeta(m({ shape: 'paths', paths: [], total: 0 }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ shape: 'paths', paths: [], truncated: 'no', total: 0 }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ shape: 'paths', paths: [], truncated: false }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ shape: 'paths', paths: [], truncated: false, total: '0' }))).toBeUndefined()
+  })
+
+  it('rejects an unknown or missing shape discriminant', () => {
+    expect(searchViewFromMeta(m({ shape: 'other', truncated: false, total: 0 }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ truncated: false, total: 0 }))).toBeUndefined()
+  })
+
+  it('rejects a matches payload with a malformed files array', () => {
+    const base = { shape: 'matches', truncated: false, total: 1 }
+    expect(searchViewFromMeta(m({ ...base, files: 'x' }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ ...base, files: [null] }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ ...base, files: ['x'] }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ ...base, files: [[]] }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ ...base, files: [{ path: 1, matches: [] }] }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ ...base, files: [{ path: 'a', matches: 'x' }] }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ ...base, files: [{ path: 'a', matches: [null] }] }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ ...base, files: [{ path: 'a', matches: [{ lineNumber: '1', line: 'x' }] }] }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ ...base, files: [{ path: 'a', matches: [{ lineNumber: 1, line: 2 }] }] }))).toBeUndefined()
+  })
+
+  it('rejects a paths payload with a non-array or non-string-element paths field', () => {
+    const base = { shape: 'paths', truncated: false, total: 1 }
+    expect(searchViewFromMeta(m({ ...base, paths: 'x' }))).toBeUndefined()
+    expect(searchViewFromMeta(m({ ...base, paths: [1] }))).toBeUndefined()
+  })
+})
diff --git a/packages/fs/tool-fs-search/tests/tools.spec.ts b/packages/fs/tool-fs-search/tests/tools.spec.ts
index a0d3cdf38c..389d8dbe05 100644
--- a/packages/fs/tool-fs-search/tests/tools.spec.ts
+++ b/packages/fs/tool-fs-search/tests/tools.spec.ts
@@ -27,7 +27,9 @@ import {
   formatGrepMatches,
   parseGrepMatches,
   presentGlobCall,
+  presentGlobResult,
   presentGrepCall,
+  presentGrepResult,
   previewLine,
   sampleAcrossTopLevel,
   toWorkdirRelative,
@@ -987,6 +989,73 @@ describe('presentation', () => {
     expect(presentGrepCall({ pattern: 'todo' })).toMatchObject({ card: 'generic', title: 'Grep todo', kind: 'search' })
     expect(presentGrepCall({ pattern: 'todo', path: 'src', include: '*.ts' }).title).toBe('Grep todo in src (*.ts)')
   })
+
+  it('grep projects a search card from a real execute, grouped by file with total and truncation', async () => {
+    const { ctx, bash } = await setup({ config: { grepMaxMatches: 2 } })
+    bash.handler = () => runResult([
+      matchLine('a.ts', 1, 'one'),
+      matchLine('a.ts', 2, 'two'),
+      matchLine('b.ts', 3, 'three'),
+      '',
+    ].join('\n'))
+    const result = await call(ctx, 'grep', { pattern: 'e' }, { agent: agent('/w') })
+    if (result.isError) throw new Error('expected grep success')
+    // The presentationMeta projection rides the result meta (a surface call).
+    expect(result.meta).toEqual({
+      shape: 'matches',
+      files: [{ path: 'a.ts', matches: [{ lineNumber: 1, line: 'one' }, { lineNumber: 2, line: 'two' }] }],
+      truncated: true,
+      total: 3,
+    })
+    const view = presentGrepResult({ pattern: 'e' }, result)
+    expect(view).toEqual({
+      card: 'search',
+      shape: 'matches',
+      files: [{ path: 'a.ts', matches: [{ lineNumber: 1, line: 'one' }, { lineNumber: 2, line: 'two' }] }],
+      truncated: true,
+      total: 3,
+    })
+  })
+
+  it('glob projects a search card from a real execute, a flat path list with total and truncation', async () => {
+    const { ctx, bash } = await setup({ config: { globMaxResults: 2 } })
+    bash.handler = () => runResult('a.ts\nb.ts\nc.ts\n')
+    const result = await call(ctx, 'glob', { pattern: '*.ts' }, { agent: agent('/w') })
+    if (result.isError) throw new Error('expected glob success')
+    expect(result.meta).toEqual({ shape: 'paths', paths: ['a.ts', 'b.ts'], truncated: true, total: 3 })
+    const view = presentGlobResult({ pattern: '*.ts' }, result)
+    expect(view).toEqual({ card: 'search', shape: 'paths', paths: ['a.ts', 'b.ts'], truncated: true, total: 3 })
+  })
+
+  it('nested Code dispatch computes no meta, so presentResult falls back to the generic card', async () => {
+    const { ctx, bash } = await setup()
+    bash.handler = () => runResult(`${matchLine('a.ts', 1, 'one')}\n`)
+    const result = await call(ctx, 'grep', { pattern: 'o' }, {
+      agent: agent('/w'),
+      parent: Symbol('run_code') as ToolExecutionToken,
+    })
+    if (result.isError) throw new Error('expected grep success')
+    expect(result.meta).toBeUndefined()
+    expect(presentGrepResult({ pattern: 'o' }, result)).toBeUndefined()
+  })
+
+  it('presentResult returns undefined for a failed result and for the other tool’s meta shape', () => {
+    const errorResult = { content: [{ type: 'text' as const, text: 'boom' }], isError: true }
+    expect(presentGrepResult({ pattern: 'x' }, errorResult)).toBeUndefined()
+    expect(presentGlobResult({ pattern: '*' }, errorResult)).toBeUndefined()
+    // A grep result carrying a paths-shaped meta (and vice versa) is not this
+    // tool's shape: each presenter narrows to its own shape and otherwise falls back.
+    const pathsResult = { content: [], isError: false, meta: { shape: 'paths', paths: ['a.ts'], truncated: false, total: 1 } }
+    const matchesResult = { content: [], isError: false, meta: { shape: 'matches', files: [], truncated: false, total: 0 } }
+    expect(presentGrepResult({ pattern: 'x' }, pathsResult)).toBeUndefined()
+    expect(presentGlobResult({ pattern: '*' }, matchesResult)).toBeUndefined()
+  })
+
+  it('presentResult falls back to the generic card on malformed replayed meta', () => {
+    const malformed = { content: [], isError: false, meta: { shape: 'matches', files: 'nope', truncated: false, total: 0 } }
+    expect(presentGrepResult({ pattern: 'x' }, malformed)).toBeUndefined()
+    expect(presentGlobResult({ pattern: '*' }, { content: [], isError: false, meta: 42 })).toBeUndefined()
+  })
 })
 
 describe('helpers', () => {
diff --git a/packages/fs/tool-fs/README.i18n.yaml b/packages/fs/tool-fs/README.i18n.yaml
index a3ebe97bc4..fbe2e69043 100644
--- a/packages/fs/tool-fs/README.i18n.yaml
+++ b/packages/fs/tool-fs/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/fs/tool-fs/README.md
-README.md: 4ff9b043525e8e7a0b59e3d91410951d88bb9a69
-README.zh.md: ce93e10072d74ce268273aa472bfbb3f34f46259
+README.md: a695d0ba8fb1d600689d2b68763e8423d1591da5
+README.zh.md: 5c600ab70b46da640637aec64efc1c0f0d0d54c0
diff --git a/packages/fs/tool-fs/README.md b/packages/fs/tool-fs/README.md
index 4ff9b04352..a695d0ba8f 100644
--- a/packages/fs/tool-fs/README.md
+++ b/packages/fs/tool-fs/README.md
@@ -2,7 +2,7 @@
 
 English | [中文](README.zh.md)
 
-The **model-facing filesystem tools** — `read`, `write`, `edit` — and their **executor**. This is the consumer layer of the filesystem stack: it owns tool names, JSON schemas, argument validation, prompt sections, **read windowing**, and result formatting. It reads/writes/edits through the `ctx.fs` provider seam ([`@deepseek-ai/dsh-fs`](../fs)) **directly** — it injects `fs` (plus `tools`/`systemPrompt`), **not** a policy service. The freshness/observation policy is contributed by a separate plugin ([`@deepseek-ai/dsh-fs-policy`](../fs-policy)) through the `fs/*` event gate; the tool is not method-coupled to it.
+The **model-facing filesystem tools** — `read`, `write`, `edit` — and their **executor**. This is the consumer layer of the filesystem stack: it owns tool names, JSON schemas, argument validation, prompt sections, **read windowing**, and result formatting. It reads/writes/edits through the `ctx.fs` provider seam ([`@deepseek-ai/dsh-fs`](../fs)) **directly**. The freshness/observation policy is contributed by a separate plugin ([`@deepseek-ai/dsh-fs-policy`](../fs-policy)) through the `fs/*` event gate; the tool is not method-coupled to it. Under a confining provider, the shared sandbox-policy service is required for per-session execution and the tool exposes escalation for filesystem mutations.
 
 ```ts ignore-check
 // Default deployment: a ctx.fs provider, the policy plugin, then the tools.
@@ -34,7 +34,7 @@ All keys are optional; the defaults are the shipped read caps.
 
 Field names are snake_case to match Claude Code and existing harness tool schemas.
 
-Canonical successes are `read` → `{ path, offset, lines: [{ number, text }], totalLines }`, `write` → `{ path, operation: 'create' | 'update', before: string | null, after }`, and `edit` → `{ path, before, after }`. Native renderers preserve the line-numbered read and mutation acknowledgements below. Write/edit derive replayable diff-card metadata from these values; the values themselves are execution-local and are not added to `tool/result`.
+Canonical successes are `read` → `{ path, offset, lines: [{ number, text }], totalLines }`, `write` → `{ path, operation: 'create' | 'update', before: string | null, after }`, and `edit` → `{ path, before, after }`. Native renderers preserve the line-numbered read and mutation acknowledgements below. `write`/`edit` derive replayable diff-card metadata, and `read` derives a replayable read-card window `{ path, offset, lines, totalLines, lang? }`, from these canonical values; the canonical values themselves are execution-local and are not added to `tool/result`, only the derived presentation metadata is persisted.
 
 ## The tool is the executor; policy is an event gate
 
@@ -46,6 +46,8 @@ The tools do **not** inject a policy service or inspect any cache. Each tool res
 
 The tool passes `exec` (the tool-execution context) as the opaque `actor` on every dispatch. The default thunks return `undefined` (the unconstrained bare provider). When `@deepseek-ai/dsh-fs-policy` is loaded it occupies the single decision slot — returning `createIfAbsent`/`replaceIfVersion`/`{ version }` or throwing `FS_NOT_OBSERVED` — and records on `fs/observed`. Backend errors (`FsError`) and a thrown `FS_NOT_OBSERVED` flow through `ToolRegistry.execute()` and become `isError` tool results with their `{ name, code }` attached.
 
+When `ctx.fs.sandboxMode` reports confinement, write/edit advertise `sandbox_permissions` and `justification` and resolve approved retries through `ctx.approval`. The policy owner contributes capability-neutral standing policy; the tool results retain operation-specific denial and retry guidance.
+
 ## `fs/observed` is fire-and-forget
 
 `fs/observed` fires AFTER the read/write/edit already succeeded, via a plain `ctx.emit`. A listener is contractually a synchronous, side-effect-only recorder (`@deepseek-ai/dsh-fs-policy`'s is a `WeakMap.set`); the tool does not guard the emit, so a listener that throws would surface as the tool's `isError` result — async or fallible observation does not belong on this event.
diff --git a/packages/fs/tool-fs/README.zh.md b/packages/fs/tool-fs/README.zh.md
index ce93e10072..5c600ab70b 100644
--- a/packages/fs/tool-fs/README.zh.md
+++ b/packages/fs/tool-fs/README.zh.md
@@ -2,7 +2,7 @@
 
 [English](README.md) | 中文
 
-**面向模型的文件系统工具**（`read`、`write`、`edit`）及其**执行器**。这是文件系统栈的消费方层：拥有工具名称、JSON Schema、参数校验、提示词段、**读取窗口逻辑**和结果格式化。它**直接**通过 `ctx.fs` 提供方 seam（[`@deepseek-ai/dsh-fs`](../fs)）读取/写入/编辑：注入 `fs`（以及 `tools`/`systemPrompt`），**不**注入策略服务。新鲜度/观察策略由独立插件（[`@deepseek-ai/dsh-fs-policy`](../fs-policy)）通过 `fs/*` 事件门禁贡献；工具不与其方法耦合。
+**面向模型的文件系统工具**（`read`、`write`、`edit`）及其**执行器**。这是文件系统栈的消费方层：拥有工具名称、JSON Schema、参数校验、提示词段、**读取窗口逻辑**和结果格式化。它**直接**通过 `ctx.fs` 提供方 seam（[`@deepseek-ai/dsh-fs`](../fs)）读取／写入／编辑。新鲜度／观察策略由独立插件（[`@deepseek-ai/dsh-fs-policy`](../fs-policy)）通过 `fs/*` 事件门禁贡献；工具不与其方法耦合。使用施加沙箱限制的提供方时，逐会话执行需要共享沙箱策略服务，工具还会为文件系统变更提供升权路径。
 
 ```ts ignore-check
 // Default deployment: a ctx.fs provider, the policy plugin, then the tools.
@@ -34,7 +34,7 @@ await ctx.plugin(ToolFs)                                  // this package — re
 
 字段名使用 snake_case，与 Claude Code 和现有 harness 工具 schema 一致。
 
-规范成功值分别为：`read` → `{ path, offset, lines: [{ number, text }], totalLines }`，`write` → `{ path, operation: 'create' | 'update', before: string | null, after }`，`edit` → `{ path, before, after }`。原生渲染器会保留下方带行号的读取结果和变更确认。写入/编辑从这些值派生可回放的 diff 卡片元数据；这些值本身仅限于本次执行，不会添加到 `tool/result`。
+规范成功值分别为：`read` → `{ path, offset, lines: [{ number, text }], totalLines }`，`write` → `{ path, operation: 'create' | 'update', before: string | null, after }`，`edit` → `{ path, before, after }`。原生渲染器会保留下方带行号的读取结果和变更确认。`write`/`edit` 从这些规范值派生可回放的 diff 卡片元数据，`read` 派生可回放的读取卡片窗口 `{ path, offset, lines, totalLines, lang? }`；规范值本身仅限于本次执行，不会添加到 `tool/result`，只有派生出的呈现元数据会被持久化。
 
 ## 工具就是执行器；策略是事件门禁
 
@@ -46,6 +46,8 @@ await ctx.plugin(ToolFs)                                  // this package — re
 
 工具在每次分派中把 `exec`（工具执行上下文）作为不透明 `actor` 传入。默认 thunk 返回 `undefined`（不受约束的裸提供方）。加载 `@deepseek-ai/dsh-fs-policy` 后，它会占用单个决策槽：返回 `createIfAbsent`/`replaceIfVersion`/`{ version }` 或抛出 `FS_NOT_OBSERVED`，并在 `fs/observed` 时记录。后端错误（`FsError`）和抛出的 `FS_NOT_OBSERVED` 会流经 `ToolRegistry.execute()`，变成 `isError` 工具结果，并附带 `{ name, code }`。
 
+当 `ctx.fs.sandboxMode` 表明提供方施加沙箱限制时，write/edit 会公开 `sandbox_permissions` 与 `justification`，并通过 `ctx.approval` 解析经批准的重试。策略归属方会贡献与具体能力无关的常驻策略；工具结果仍保留操作特定的拒绝与重试引导。
+
 ## `fs/observed` 发后即忘
 
 `fs/observed` 在读取/写入/编辑已经成功之后，通过普通 `ctx.emit` 发出。监听器的契约是同步且只有副作用的记录器（`@deepseek-ai/dsh-fs-policy` 使用 `WeakMap.set`）；工具不保护这次发出，因此监听器抛出会作为工具的 `isError` 结果出现。异步或可能失败的观察不属于该事件。
diff --git a/packages/fs/tool-fs/src/read-render.ts b/packages/fs/tool-fs/src/read-render.ts
index 7e581bb22c..19b6c0b1e7 100644
--- a/packages/fs/tool-fs/src/read-render.ts
+++ b/packages/fs/tool-fs/src/read-render.ts
@@ -168,3 +168,105 @@ export function formatReadOutput(displayPath: string, outcome: FileReadOutcome):
 ${body}
 </content>`
 }
+
+/**
+ * Lowercased file-extension to syntax-highlighting language hint. Keys are the
+ * extension without its dot; a UI treats an absent key as plain text. The map is
+ * intentionally small — common source, config, and markup extensions a
+ * line-numbered code view benefits from highlighting — not an exhaustive registry.
+ */
+const LANG_BY_EXTENSION: Readonly<Record<string, string>> = {
+  ts: 'ts', tsx: 'tsx', mts: 'ts', cts: 'ts',
+  js: 'js', jsx: 'jsx', mjs: 'js', cjs: 'js',
+  json: 'json', jsonc: 'json',
+  py: 'py', rb: 'rb', go: 'go', rs: 'rs', java: 'java',
+  c: 'c', h: 'c', cc: 'cpp', cpp: 'cpp', hpp: 'cpp', cxx: 'cpp',
+  cs: 'cs', kt: 'kotlin', swift: 'swift', php: 'php',
+  sh: 'sh', bash: 'sh', zsh: 'sh',
+  yaml: 'yaml', yml: 'yaml', toml: 'toml', ini: 'ini',
+  md: 'md', markdown: 'md', mdx: 'mdx',
+  html: 'html', htm: 'html', css: 'css', scss: 'scss', less: 'less',
+  sql: 'sql', xml: 'xml', lua: 'lua',
+}
+
+/**
+ * Derive a syntax-highlighting language hint from a read path's file extension.
+ * Pure and case-insensitive on the extension; a dotfile with no extension
+ * (`.gitignore`) and an unknown extension both yield `undefined`.
+ * @param path - the model-facing path the read reported.
+ * @returns the language hint for {@link LANG_BY_EXTENSION}, or `undefined` when the extension maps to none.
+ */
+export function langFromPath(path: string): string | undefined {
+  const base = path.slice(Math.max(path.lastIndexOf('/'), path.lastIndexOf('\\')) + 1)
+  const dot = base.lastIndexOf('.')
+  // A leading dot is a dotfile (no extension), not an empty extension.
+  if (dot <= 0) return undefined
+  const ext = base.slice(dot + 1).toLowerCase()
+  // Own-property check only: a filename whose extension is an Object.prototype
+  // key (`foo.constructor`, `foo.__proto__`) must map to no language, not to the
+  // inherited member — otherwise a function would reach `lang` and fail the
+  // tool-output JSON validation.
+  return Object.hasOwn(LANG_BY_EXTENSION, ext) ? LANG_BY_EXTENSION[ext] : undefined
+}
+
+/**
+ * The `read` tool's private `tool/result` `meta` payload: the structured
+ * line-numbered window a capable UI renders as a code view. Attached opaquely (as
+ * `unknown`) on the tool result and persisted with the session log — it must be
+ * JSON-serializable (the session validates this at `append`), so `presentResult`
+ * reproduces the read card on replay when the raw structured output is no longer
+ * on the wire. The producing tool owns and narrows this opaque shape.
+ */
+export interface FsReadMeta {
+  /** The read file's model-facing path. */
+  path: string
+  /** The 1-based first line the window requested, kept even when `lines` is empty. */
+  offset: number
+  /** The returned window's lines, each keeping its file line number. */
+  lines: FileTextLine[]
+  /** Exact total line count in the file. */
+  totalLines: number
+  /** Syntax-highlighting language hint from the extension, or omitted for plain text. */
+  lang?: string
+}
+
+/**
+ * Whether `value` is a valid {@link FileTextLine} (defensive narrowing from
+ * opaque `meta`). `number` must be a 1-based integer line number, since a card
+ * rendered from a zero, fractional, or non-finite line number would violate the
+ * 1-based numbering contract the read window promises.
+ */
+function isFileTextLine(value: unknown): value is FileTextLine {
+  if (typeof value !== 'object' || value === null || Array.isArray(value)) return false
+  const { number, text } = value as Record<string, unknown>
+  return typeof number === 'number' && Number.isInteger(number) && number >= 1 && typeof text === 'string'
+}
+
+/**
+ * Narrow opaque live or replayed result metadata to a structured read window.
+ * Malformed metadata returns `undefined` so presentation can fall back to the
+ * generic text card instead of throwing during replay. Beyond shape, the
+ * semantic contract of a read window is enforced against replayed JSON that is
+ * well-typed but out of range: `offset` must be a 1-based integer, `totalLines`
+ * must be a non-negative integer, each line number must be a 1-based integer no
+ * less than `offset`, the line numbers must strictly increase, and no line number
+ * may exceed `totalLines`. Any violation declines to the generic fallback rather
+ * than emitting a card that misnumbers or overcounts.
+ * @param meta - result metadata.
+ * @returns the validated read window, or `undefined` for absent, malformed, or semantically invalid data.
+ */
+export function readMetaFromMeta(meta: unknown): FsReadMeta | undefined {
+  if (typeof meta !== 'object' || meta === null || Array.isArray(meta)) return undefined
+  const { path, offset, lines, totalLines, lang } = meta as Record<string, unknown>
+  if (typeof path !== 'string' || typeof totalLines !== 'number' || typeof offset !== 'number') return undefined
+  if (!Number.isInteger(offset) || offset < 1) return undefined
+  if (!Number.isInteger(totalLines) || totalLines < 0) return undefined
+  if (!Array.isArray(lines) || !lines.every(isFileTextLine)) return undefined
+  if (lang !== undefined && typeof lang !== 'string') return undefined
+  let previous = offset - 1
+  for (const { number } of lines) {
+    if (number <= previous || number > totalLines) return undefined
+    previous = number
+  }
+  return { path, offset, lines, totalLines, ...lang === undefined ? {} : { lang } }
+}
diff --git a/packages/fs/tool-fs/src/read.ts b/packages/fs/tool-fs/src/read.ts
index 05e1b41ae2..a92fdcaad8 100644
--- a/packages/fs/tool-fs/src/read.ts
+++ b/packages/fs/tool-fs/src/read.ts
@@ -6,11 +6,11 @@
 
 import type { Context } from 'cordis'
 import { defineTool } from '@deepseek-ai/dsh-tools'
-import type { GenericCallView, GenericResultView, ToolResult } from '@deepseek-ai/dsh-tools'
+import type { GenericCallView, ReadResultView, ToolResult } from '@deepseek-ai/dsh-tools'
 import { FsError } from '@deepseek-ai/dsh-fs'
 import type {} from '@deepseek-ai/dsh-fs'
 import type {} from '@deepseek-ai/dsh-system-prompt'
-import { buildWindow, formatReadOutput } from './read-render.ts'
+import { buildWindow, formatReadOutput, langFromPath, readMetaFromMeta } from './read-render.ts'
 import { sessionResolveOptions } from './session-cwd.ts'
 
 /** Default and maximum number of lines returned by one `read` call (the `readLimit` config). */
@@ -118,6 +118,19 @@ export function applyReadTool(ctx: Context, caps: ReadToolCaps): void {
           }),
         }]
       },
+      // Project the structured window into persisted `meta` so a UI's read card
+      // survives replay: the raw canonical output object is not on the wire, only
+      // the model-facing text, from which the line/lang data cannot be recovered.
+      presentationMeta: (_args, value) => {
+        const lang = langFromPath(value.path)
+        return {
+          path: value.path,
+          offset: value.offset,
+          lines: value.lines.map(({ number, text }) => ({ number, text })),
+          totalLines: value.totalLines,
+          ...lang === undefined ? {} : { lang },
+        }
+      },
     },
     // Observation races fail closed because guarded mutations re-check the version in-lock.
     isConcurrencySafe: () => true,
@@ -154,15 +167,32 @@ export function applyReadTool(ctx: Context, caps: ReadToolCaps): void {
       ctx.emit('fs/observed', target, info.version, exec)
       return outcome
     },
-    presentResult(_args, result: ToolResult): GenericResultView | undefined {
+    // Result-time display: a `read` card carrying the structured line window a
+    // capable UI renders as a line-numbered, syntax-highlighted view. The
+    // structured data is narrowed from the persisted `meta` (replay-safe); the
+    // envelope-stripped model-facing text rides along as `content` so a UI without
+    // the read capability still shows the file text. A malformed or absent meta,
+    // or a result whose text is not the read envelope, declines to `undefined`
+    // (the generic fallback), never throwing on replay of obsolete logged output.
+    presentResult(_args, result: ToolResult): ReadResultView | undefined {
       if (result.isError) return undefined
+      const meta = readMetaFromMeta(result.meta)
+      if (meta === undefined) return undefined
       const only = result.content.length === 1 ? result.content[0] : undefined
       const text = only?.type === 'text' ? only.text : undefined
       if (text === undefined) return undefined
       // Group 1 always captures (possibly empty) when the envelope matches.
       const body = /^<path>[^\n]*<\/path>\n<type>file<\/type>\n<content>\n([\s\S]*)\n<\/content>$/u.exec(text)?.[1]
       if (body === undefined) return undefined
-      return { card: 'generic', content: [{ type: 'text', text: body }] }
+      return {
+        card: 'read',
+        path: meta.path,
+        offset: meta.offset,
+        lines: meta.lines,
+        totalLines: meta.totalLines,
+        ...meta.lang === undefined ? {} : { lang: meta.lang },
+        content: [{ type: 'text', text: body }],
+      }
     },
     // Pure display: a generic card titled by the file with the read window appended (`Read
     // foo.txt (5 - 8)`), `read` kind (icon), and a follow-along location whose line is the
diff --git a/packages/fs/tool-fs/tests/read-render.spec.ts b/packages/fs/tool-fs/tests/read-render.spec.ts
index c2afaf002e..cc03a0c8f9 100644
--- a/packages/fs/tool-fs/tests/read-render.spec.ts
+++ b/packages/fs/tool-fs/tests/read-render.spec.ts
@@ -6,7 +6,7 @@
  */
 
 import { describe, expect, it } from 'vitest'
-import { buildWindow, READ_MAX_BYTES, READ_MAX_LINE_LENGTH } from '../src/read-render.ts'
+import { buildWindow, langFromPath, readMetaFromMeta, READ_MAX_BYTES, READ_MAX_LINE_LENGTH } from '../src/read-render.ts'
 import type { ReadWindow } from '../src/read-render.ts'
 
 const DEFAULT_CAPS = { maxLineLength: READ_MAX_LINE_LENGTH, maxBytes: READ_MAX_BYTES }
@@ -116,3 +116,103 @@ describe('buildWindow', () => {
     })
   })
 })
+
+describe('langFromPath', () => {
+  it('maps a known extension to its language hint, case-insensitively', () => {
+    expect(langFromPath('src/a.ts')).toBe('ts')
+    expect(langFromPath('src/a.TSX')).toBe('tsx')
+    expect(langFromPath('/abs/module.mjs')).toBe('js')
+    expect(langFromPath('conf.yml')).toBe('yaml')
+    expect(langFromPath('README.md')).toBe('md')
+  })
+
+  it('reads the extension after the last path segment and last dot', () => {
+    expect(langFromPath('a.py.bak')).toBeUndefined()
+    expect(langFromPath('archive.tar.gz')).toBeUndefined()
+    expect(langFromPath('/dir.py/plain')).toBeUndefined()
+    expect(langFromPath('C:\\src\\main.rs')).toBe('rs')
+  })
+
+  it('returns undefined for a dotfile, an extensionless name, and an unknown extension', () => {
+    expect(langFromPath('.gitignore')).toBeUndefined()
+    expect(langFromPath('/etc/hosts')).toBeUndefined()
+    expect(langFromPath('data.unknownext')).toBeUndefined()
+    expect(langFromPath('trailingdot.')).toBeUndefined()
+  })
+
+  it('returns undefined for a filename whose extension is an Object.prototype key', () => {
+    // Own-property lookup only: these must not resolve to the inherited member
+    // (a function/object), which would fail the tool-output JSON validation.
+    expect(langFromPath('foo.constructor')).toBeUndefined()
+    expect(langFromPath('foo.__proto__')).toBeUndefined()
+    expect(langFromPath('foo.toString')).toBeUndefined()
+    expect(langFromPath('foo.hasOwnProperty')).toBeUndefined()
+  })
+})
+
+describe('readMetaFromMeta', () => {
+  const good = { path: '/abs/a.ts', offset: 1, lines: [{ number: 1, text: 'x' }], totalLines: 1, lang: 'ts' }
+
+  it('narrows a well-formed read meta, with and without a lang hint', () => {
+    expect(readMetaFromMeta(good)).toEqual(good)
+    const noLang = { path: '/abs/a', offset: 1, lines: [], totalLines: 0 }
+    expect(readMetaFromMeta(noLang)).toEqual(noLang)
+  })
+
+  it('narrows an empty window at a positive offset (byte cap below the first selected line)', () => {
+    const empty = { path: '/abs/a', offset: 5, lines: [], totalLines: 9 }
+    expect(readMetaFromMeta(empty)).toEqual(empty)
+  })
+
+  it('returns undefined for absent, non-object, or array meta', () => {
+    expect(readMetaFromMeta(undefined)).toBeUndefined()
+    expect(readMetaFromMeta(null)).toBeUndefined()
+    expect(readMetaFromMeta('nope')).toBeUndefined()
+    expect(readMetaFromMeta([good])).toBeUndefined()
+  })
+
+  it('returns undefined when a field is missing or the wrong type (defensive narrowing)', () => {
+    expect(readMetaFromMeta({ ...good, path: 5 })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, offset: '1' })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, totalLines: '1' })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, lines: 'nope' })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, lines: [{ number: '1', text: 'x' }] })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, lines: [{ number: 1 }] })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, lines: [null] })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, lang: 5 })).toBeUndefined()
+  })
+
+  it('rejects an offset that is not a 1-based integer', () => {
+    expect(readMetaFromMeta({ ...good, offset: 0 })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, offset: 1.5 })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, offset: NaN })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, offset: Infinity })).toBeUndefined()
+  })
+
+  it('rejects a first line number below offset', () => {
+    expect(readMetaFromMeta({ ...good, offset: 2, lines: [{ number: 1, text: 'x' }], totalLines: 2 })).toBeUndefined()
+  })
+
+  it('rejects a line number that is not a 1-based integer', () => {
+    expect(readMetaFromMeta({ ...good, lines: [{ number: 0, text: 'x' }], totalLines: 1 })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, lines: [{ number: 1.5, text: 'x' }], totalLines: 2 })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, lines: [{ number: NaN, text: 'x' }], totalLines: 1 })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, lines: [{ number: Infinity, text: 'x' }], totalLines: 1 })).toBeUndefined()
+  })
+
+  it('rejects a totalLines that is not a non-negative integer', () => {
+    expect(readMetaFromMeta({ ...good, totalLines: -1 })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, totalLines: 1.5 })).toBeUndefined()
+    expect(readMetaFromMeta({ ...good, totalLines: NaN })).toBeUndefined()
+  })
+
+  it('rejects lines that do not strictly increase or exceed totalLines', () => {
+    const twoLines = { path: '/abs/a', offset: 1, lang: 'ts' }
+    // Duplicate line numbers.
+    expect(readMetaFromMeta({ ...twoLines, lines: [{ number: 1, text: 'a' }, { number: 1, text: 'b' }], totalLines: 2 })).toBeUndefined()
+    // Out-of-order line numbers.
+    expect(readMetaFromMeta({ ...twoLines, lines: [{ number: 2, text: 'b' }, { number: 1, text: 'a' }], totalLines: 2 })).toBeUndefined()
+    // A line number past totalLines.
+    expect(readMetaFromMeta({ ...twoLines, lines: [{ number: 3, text: 'c' }], totalLines: 2 })).toBeUndefined()
+  })
+})
diff --git a/packages/fs/tool-fs/tests/tools.spec.ts b/packages/fs/tool-fs/tests/tools.spec.ts
index de844dcaf4..914a1bf7de 100644
--- a/packages/fs/tool-fs/tests/tools.spec.ts
+++ b/packages/fs/tool-fs/tests/tools.spec.ts
@@ -320,6 +320,39 @@ describe('read tool', () => {
     expect(text(result)).toContain('Output capped.')
   })
 
+  it('attaches the structured window as presentation meta, and presentResult narrows it into a read card', async () => {
+    const { ctx, fs } = await setup()
+    fs.files.set('key:a.ts', 'const x = 1\nconst y = 2')
+    const result = await call(ctx, 'read', { file_path: 'a.ts' })
+    expect(result.isError).toBe(false)
+    if (result.isError) throw new Error('expected read success')
+    // The extension drives the lang hint; the window rides on persisted meta.
+    expect(result.meta).toEqual({
+      path: '/abs/a.ts',
+      offset: 1,
+      lines: [{ number: 1, text: 'const x = 1' }, { number: 2, text: 'const y = 2' }],
+      totalLines: 2,
+      lang: 'ts',
+    })
+    const view = ctx.tools.get('read')?.presentResult?.({ file_path: 'a.ts' }, result)
+    expect(view).toEqual({
+      card: 'read',
+      path: '/abs/a.ts',
+      offset: 1,
+      lines: [{ number: 1, text: 'const x = 1' }, { number: 2, text: 'const y = 2' }],
+      totalLines: 2,
+      lang: 'ts',
+      content: [{ type: 'text', text: '1: const x = 1\n2: const y = 2\n\n(End of file - total 2 lines)' }],
+    })
+  })
+
+  it('omits the lang hint in meta for an extension that maps to no language', async () => {
+    const { ctx, fs } = await setup()
+    fs.files.set('key:notes', 'plain')
+    const result = await call(ctx, 'read', { file_path: 'notes' })
+    if (result.isError) throw new Error('expected read success')
+    expect(result.meta).toEqual({ path: '/abs/notes', offset: 1, lines: [{ number: 1, text: 'plain' }], totalLines: 1 })
+  })
 })
 
 describe('formatReadOutput footer variants', () => {
@@ -450,33 +483,72 @@ describe('tool-owned presentation (pure presentCall)', () => {
     })
   })
 
-  it('read: completed presentation removes the model-facing XML envelope', async () => {
-    expect(await presentResult('read', { file_path: 'a.txt' }, {
-      content: [{ type: 'text', text: '<path>/tmp/a.txt</path>\n<type>file</type>\n<content>\n1: hello\n\n(End of file - total 1 lines)\n</content>' }],
+  it('read: completed presentation is a read card carrying the structured window with the envelope stripped', async () => {
+    // The structured line data rides on persisted meta (the raw output object is
+    // not on the wire); presentResult narrows it and appends the stripped text as
+    // the no-capability `content` fallback.
+    const meta = { path: '/tmp/a.ts', offset: 1, lines: [{ number: 1, text: 'hello' }], totalLines: 1, lang: 'ts' }
+    expect(await presentResult('read', { file_path: 'a.ts' }, {
+      content: [{ type: 'text', text: '<path>/tmp/a.ts</path>\n<type>file</type>\n<content>\n1: hello\n\n(End of file - total 1 lines)\n</content>' }],
       isError: false,
+      meta,
     })).toEqual({
-      card: 'generic',
+      card: 'read',
+      path: '/tmp/a.ts',
+      offset: 1,
+      lines: [{ number: 1, text: 'hello' }],
+      totalLines: 1,
+      lang: 'ts',
       content: [{ type: 'text', text: '1: hello\n\n(End of file - total 1 lines)' }],
     })
-    expect(await presentResult('read', { file_path: 'a.txt' }, {
+    // A window whose extension maps to no language omits `lang` from the card.
+    expect(await presentResult('read', { file_path: 'notes' }, {
+      content: [{ type: 'text', text: '<path>/tmp/notes</path>\n<type>file</type>\n<content>\nbody\n</content>' }],
+      isError: false,
+      meta: { path: '/tmp/notes', offset: 1, lines: [{ number: 1, text: 'body' }], totalLines: 1 },
+    })).toEqual({
+      card: 'read',
+      path: '/tmp/notes',
+      offset: 1,
+      lines: [{ number: 1, text: 'body' }],
+      totalLines: 1,
+      content: [{ type: 'text', text: 'body' }],
+    })
+    // Malformed envelope text with valid meta still declines (the fallback text is unavailable).
+    expect(await presentResult('read', { file_path: 'a.ts' }, {
       content: [{ type: 'text', text: 'malformed replay' }],
       isError: false,
+      meta,
+    })).toBeUndefined()
+    // Valid envelope but absent/malformed meta declines to the generic fallback.
+    expect(await presentResult('read', { file_path: 'a.ts' }, {
+      content: [{ type: 'text', text: '<path>/tmp/a.ts</path>\n<type>file</type>\n<content>\n1: hello\n</content>' }],
+      isError: false,
+    })).toBeUndefined()
+    expect(await presentResult('read', { file_path: 'a.ts' }, {
+      content: [{ type: 'text', text: '<path>/tmp/a.ts</path>\n<type>file</type>\n<content>\n1: hello\n</content>' }],
+      isError: false,
+      meta: { path: '/tmp/a.ts', lines: 'nope', totalLines: 1 },
     })).toBeUndefined()
   })
 
   it('read: completed presentation declines errors and non-single-text content', async () => {
     const envelope = '<path>/tmp/a.txt</path>\n<type>file</type>\n<content>\nbody\n</content>'
+    const meta = { path: '/tmp/a.txt', offset: 1, lines: [{ number: 1, text: 'body' }], totalLines: 1 }
     expect(await presentResult('read', { file_path: 'a.txt' }, {
       content: [{ type: 'text', text: envelope }],
       isError: true,
+      meta,
     })).toBeUndefined()
     expect(await presentResult('read', { file_path: 'a.txt' }, {
       content: [{ type: 'text', text: envelope }, { type: 'text', text: 'second' }],
       isError: false,
+      meta,
     })).toBeUndefined()
     expect(await presentResult('read', { file_path: 'a.txt' }, {
       content: [{ type: 'reasoning', text: envelope }],
       isError: false,
+      meta,
     })).toBeUndefined()
   })
 
diff --git a/packages/fs/tool-str-replace-editor/tests/tools.spec.ts b/packages/fs/tool-str-replace-editor/tests/tools.spec.ts
index 2f6379b320..7256581e52 100644
--- a/packages/fs/tool-str-replace-editor/tests/tools.spec.ts
+++ b/packages/fs/tool-str-replace-editor/tests/tools.spec.ts
@@ -40,6 +40,8 @@ function agent(ctx: Context, cwd: string): Agent {
     followup: () => {},
     steer: () => {},
     inject: () => {},
+    updateInbox: () => 'not-found',
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle: () => Promise.resolve(),
   }
diff --git a/packages/goal/command-goal/tests/command-goal.spec.ts b/packages/goal/command-goal/tests/command-goal.spec.ts
index e782960b47..944917366b 100644
--- a/packages/goal/command-goal/tests/command-goal.spec.ts
+++ b/packages/goal/command-goal/tests/command-goal.spec.ts
@@ -29,10 +29,13 @@ function stubAgent(ctx: Context, id: string): { agent: Agent; session: Session }
     inbox,
     ctx: new Context(),
     get status() { return status },
+    get acceptsNextStep() { return status === 'running' },
     send: () => {},
+    updateInbox: () => 'not-found',
     followup: () => {},
     steer: () => {},
     inject(input) { inbox.append('next-step', input) },
+    reserveTurnAdmission: () => undefined,
     cancel() { status = 'idle' },
     whenIdle() { return Promise.resolve() },
   }
diff --git a/packages/goal/goal/tests/goal.spec.ts b/packages/goal/goal/tests/goal.spec.ts
index 31704c70c0..97e21a0b5c 100644
--- a/packages/goal/goal/tests/goal.spec.ts
+++ b/packages/goal/goal/tests/goal.spec.ts
@@ -39,10 +39,13 @@ function stubAgentForSession(session: Session): StubAgent {
     inbox,
     ctx: new Context(),
     status: 'idle',
+    acceptsNextStep: false,
     send: () => {},
+    updateInbox: () => 'not-found',
     followup: () => {},
     steer: () => {},
     inject(input) { inbox.append('next-step', input) },
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle() { return Promise.resolve() },
   }
diff --git a/packages/goal/goal/tests/projection.spec.ts b/packages/goal/goal/tests/projection.spec.ts
index 9e31c96bc8..7365d8e699 100644
--- a/packages/goal/goal/tests/projection.spec.ts
+++ b/packages/goal/goal/tests/projection.spec.ts
@@ -45,6 +45,7 @@ function liveAgent(ctx: Context, session: Session): Agent {
     inject(input: UserMessage) {
       inbox.append('next-step', input)
     },
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle() { return Promise.resolve() },
   }
diff --git a/packages/goal/tool-goal/tests/tool-goal.spec.ts b/packages/goal/tool-goal/tests/tool-goal.spec.ts
index e0f3c697aa..a886f30a75 100644
--- a/packages/goal/tool-goal/tests/tool-goal.spec.ts
+++ b/packages/goal/tool-goal/tests/tool-goal.spec.ts
@@ -38,6 +38,7 @@ function stubAgent(rawId: string, supplied?: Session): StubAgent {
     inject(input) {
       this.inbox.append('next-step', input)
     },
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle() { return Promise.resolve() },
   }
diff --git a/packages/host/apiproxy/README.i18n.yaml b/packages/host/apiproxy/README.i18n.yaml
index 27dfdbf5de..bd9456201c 100644
--- a/packages/host/apiproxy/README.i18n.yaml
+++ b/packages/host/apiproxy/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/host/apiproxy/README.md
-README.md: 185c20c15c53529c14ad00b38413ffba1d63cfd4
-README.zh.md: ef62ab53e32d564d5041befdb8500189a74a0e05
+README.md: 84e8c059bf514c8ed7cc307102374c8a596aa75f
+README.zh.md: 24758b4ab37ed978114a68f3136b84d95d17d354
diff --git a/packages/host/apiproxy/README.md b/packages/host/apiproxy/README.md
index 185c20c15c..84e8c059bf 100644
--- a/packages/host/apiproxy/README.md
+++ b/packages/host/apiproxy/README.md
@@ -20,17 +20,21 @@ Session titles ride the generic projection pair like every other domain — the
 
 Session model routing is a session-domain contract. `session.models` returns the selected provider/model/reasoning target with provider-grouped advisory models, exact-route reasoning metadata, and provider-local lookup failures. `session.selectModel` validates the optional adapter-owned reasoning effort and replaces the complete target selected for the next prompt-assembly boundary. Catalog membership is not validation: an adapter may resolve an unlisted model, while an unavailable route or unsupported effort returns `model-unavailable`.
 
-Pending queued input is a live control-plane contract, not conversation history. The gateway derives the complete `next-turn` queue from durable `agent/inbox/spliced` mutations and broadcasts authoritative `session/queue` snapshots after each change and on reconnect; pending `next-step` steering stays outside this Web projection. The message-local `agent/inbox/inserted`, `claimed`, and `discarded` notifications remain available to lifecycle observers but do not build the queue view. `session.updateQueue` addresses one `MessageId`; edit and remove mutate the attached Agent through `Inbox.splice()`. A claim's pure deletion splice wins races before pre-step admission, so a later operation returns `queue-item-not-found`. The operation never resumes a cold session, and the client never infers retirement from turn or status events.
+Pending queued input is a live control-plane contract, not conversation history. The gateway derives the complete `next-turn` queue from durable `agent/inbox/spliced` mutations and broadcasts authoritative `session/queue` snapshots after each change and on reconnect; pending `next-step` steering stays outside this Web projection. The message-local `agent/inbox/inserted`, `claimed`, and `discarded` notifications remain available to lifecycle observers but do not build the queue view. `session.updateQueue` addresses one `MessageId`; edit and remove mutate the attached Agent through `Inbox.splice()`. A claim's pure deletion splice wins races before pre-step admission, so a later operation returns `queue-item-not-found`. `session.cancel` aborts only the active turn and preserves pending inbox work; after cancellation reaches quiescence and the closing turn flushes, AgentLoop claims the next waking message in FIFO order, and the browser never resends or promotes it. Queue operations never resume a cold session, and the client never infers retirement from turn or status events.
 
-Workspace and Session lists are separate reconnect baselines. `workspace.create` creates a unique name or adopts an existing directory, `workspace.delete` removes only the Workspace registration, `session.create` accepts an optional preallocated Session id, and `host/workspace-changed`, `host/workspace-removed`, plus `host/session-added` carry committed increments in either arrival order. Registration deletion preserves the directory and session logs; its Sessions remain in `session.list` and become Ungrouped. `SessionSummary.blank` and the `host/session-added` frame carry the derived zero-events bit: clients hide blank sessions and reuse them per workspace, flip blank on the first `host/session-status(running:true)`, and treat `session.list` as the reconnect authority; cold summaries are never blank because lazy persistence keeps never-appended sessions out of `list()`.
+Workspace and Session lists are separate reconnect baselines. `workspace.create({ name })` creates a uniquely titled directory under the configured root, while `workspace.create({ path })` adopts an existing canonical directory and permits basename-derived titles to repeat. `workspace.delete` removes only the Workspace registration, `session.create` accepts an optional preallocated Session id, and `host/workspace-changed`, `host/workspace-removed`, plus `host/session-added` carry committed increments in either arrival order. `workspace.archiveSession` adds one session to the registry-global archive set and answers the full updated set; `workspace.list` carries that set as the reconnect baseline and `host/archived-sessions-changed` pushes the full snapshot after every durable change. Archiving hides the session from grouping surfaces without touching its log or its workspace account; a session neither live nor persisted fails with `session-not-found`. Registration deletion preserves the directory and session logs; its Sessions remain in `session.list` and become Ungrouped. `SessionSummary.blank` and the `host/session-added` frame carry the derived zero-events bit: clients hide blank sessions and reuse them per workspace, flip blank on the first `host/session-status(running:true)`, and treat `session.list` as the reconnect authority; cold summaries are never blank because lazy persistence keeps never-appended sessions out of `list()`.
 
-Directory picking delegates to the composed `ctx.directoryPicker` backend ([the directory-picker seam](../directory-picker/README.md)); a method called outside the composed capability's kind fails with `directory-picker-unavailable` (the client needs no advertisement — the composed picker package's own client half renders the matching interaction). Under `native`, `host.pickDirectory` opens one native chooser and returns its selected path (`null` on cancel); this user-paced method is the sole unary call exempt from the default 30-second timeout, and caller/connection aborts still propagate to the native process. Under `browse`, `host.listDirectory` returns one name-sorted directory level with breadcrumb ancestry, a `home` anchor, and host-owned `hidden` flags (absent path = home directory), and `host.createDirectory` creates one validated child segment; the backend's typed failures map 1:1 onto the `directory-unreadable`/`directory-exists`/`directory-create-failed` codes. The browser carrier's prefix-wide trust fence (dsh-client-connection) covers all of these like every other `/api` request.
+`session.search` is a bounded content-search projection over the sessions visible through `session.list`. The gateway asks the optional `ctx.sessionQuery` service for globally ranked current-surface user, assistant, and steering matches, consumes that stream until it has at most 20 visible session/snippet pairs plus one lookahead, and revalidates every hit against the list-derived authorization set before returning it. Provider pages start at 20 hits; when a first-page request rejects that limit, the gateway probes 10, 5, 2, then 1 and retains the learned size for continuation and stale-generation restarts. Returned snippets contain at most 240 Unicode code points, and the response schema independently enforces that bound at each client boundary. Keeping the authorization set in Host memory avoids SQLite's variable ceiling for large valid corpora without weakening visibility or ranking.
+
+A stale continuation discards every partial result, deduplication entry, and cursor from that provider attempt, then restarts at the first page against the original list-derived visibility snapshot without discarding the learned provider page size. Limit probes and stale retries share the same limit of at most 100 provider calls (and therefore at most 2,000 inspected hits); a page larger than its requested limit, a repeated continuation cursor, or a still-unexhausted stream at that call budget fails closed as an `internal` business error. The carrier request signal cancels persistence listing, cold-summary collection, and every search call, including a limit or stale rejection observed concurrently with cancellation. A deployment without the service, or any unrecovered index/query failure, also returns an `internal` business error so clients can retain metadata-only matches.
+
+Directory picking delegates to the composed `ctx.directoryPicker` backend ([the directory-picker seam](../directory-picker/README.md)); a method called outside the composed capability's kind fails with `directory-picker-unavailable` (the client needs no advertisement — the composed picker package's own client half renders the matching interaction). Under `native`, `host.pickDirectory` opens one native chooser and returns its selected path (`null` on cancel); this user-paced method does not use the default 30-second unary timeout, while caller/connection aborts still propagate to the native process. Under `browse`, `host.listDirectory` returns one name-sorted directory level with breadcrumb ancestry, a `home` anchor, and host-owned `hidden` flags (absent path = home directory), and `host.createDirectory` creates one validated child segment; the backend's typed failures map 1:1 onto the `directory-unreadable`/`directory-exists`/`directory-create-failed` codes. The browser carrier's prefix-wide trust fence (dsh-client-connection) covers all of these like every other `/api` request.
 
 `host.openPath` opens a filesystem path with the operating system's default application (`open` on macOS, `Invoke-Item` on Windows, `xdg-open` on Linux). The opener is injectable for tests. The browser carrier applies the same loopback, same-origin restriction as `host.pickDirectory`.
 
-The `command.*` and `skill.*` domains expose the host command registry and skill catalog to clients. Every method addresses one session's agent by `sessionId` (a served session always has an Agent; `command.*` resumes cold sessions through the same path as `session.*`, while `skill.list` resolves the project root from the session header without touching the Agent registry). `skill.list` serves the browser's user-selected model-reference path, so it returns only skills that are both model-invocable and user-invocable; this domain has no direct skill-loading RPC. `command.execute` runs a slash-command line host-side with pure admission semantics: the response reports whether the line resolved to a handler plus the minted lifecycle `commandId` when it did (correlating the acknowledgment with the flow node), while the outcome rides the durably logged `command/run`/`command/done` lifecycle pair broadcast on the mux stream; the carrier's request signal cancels the running handler. `host/commands-changed` is the catalog invalidation frame: clients refetch `command.list` instead of diffing.
+The `command.*` and `skill.*` domains expose the host command registry and skill catalog to clients. Every method addresses one session's agent by `sessionId` (a served session always has an Agent; `command.*` resumes cold sessions through the same path as `session.*`, while `skill.list` resolves the project root from the session header without touching the Agent registry). `skill.list` serves the browser's user-selected model-reference path, so it returns only skills that are both model-invocable and user-invocable; this domain has no direct skill-loading RPC. `command.execute` runs a slash-command line host-side with pure admission semantics: the response reports whether the line resolved to a handler plus the minted lifecycle `commandId` when it did (correlating the acknowledgment with the flow node), while the outcome rides the durably logged `command/run`/`command/done` lifecycle pair broadcast on the mux stream. Command handlers may legitimately outlast the 30-second transport health deadline, so `command.execute` carries only caller/connection cancellation; that signal cancels the running handler. `host/commands-changed` is the catalog invalidation frame: clients refetch `command.list` instead of diffing.
 
-The `settings.*`, `credentials.*`, and `llm.*` domains are the configuration-page wire. The settings domain serves exactly the namespaces a registered configurable provider addresses (`ctx.llm.listConfigurableProviders()`): the seam is general, but this plane is the model-provider surface, so a namespace nothing in the directory names is neither described nor writable here and answers `settings-not-exposed` — the same answer an unregistered namespace gets, so no caller can enumerate the registry by probing. `settings.describe` returns each exposed namespace's serialized schemastery schema, redacted layered values (resolved/`base`/`user` — a field's presence in `user` marks it user-overridden), the `secrets` slot list, and the section's `revision`. `settings.update`/`settings.replace` write the user layer; `settings.mutate` applies path ops (`set`/`unset`) against the section as stored, which is the removal path for a client holding the redacted view — rebuilding a section from it and replacing wholesale would delete the secrets the wire never returned. Any write may carry `expectedRevision`; a stale one answers `settings-conflict` with both revisions rather than overwriting the writer that landed first, and every other seam refusal folds into `settings-rejected`. Secret-role values never ride any response in any layer; a secret crosses the wire in exactly one direction — inside an `update`/`mutate` payload or `credentials.set`. `credentials.describe` returns value-free views (`configured`/`source`/`writable`), and `credentials.set`/`credentials.unset` map a shadowed-reference refusal onto `credential-rejected`. `llm.providers` merges the configurable-provider directory with live routes (dormant entries carry `active: false`; undeclared live routes append with no settings address) and `llm.models` is the session-independent catalog. Three invalidation frames keep every surface converged without polling: `host/settings-changed {ns}` (`settings/document-updated` passthrough, so a raw change whose resolved value is unchanged still reaches clients), `host/credentials-changed {ref}` (reference names only, never values), and `host/models-changed` — fired both by `llm/adapters-updated` and by a change to an exposed provider namespace, whose settings carry that provider's catalog and endpoint. The browser carrier restricts the whole configuration plane, reads included (`settings.describe`/`update`/`replace`/`mutate`, `credentials.describe`/`set`/`unset`), to loopback same-origin requests — the `host.pickDirectory` privileged set. A composition without a settings or credential provider answers those domains with an actionable `internal` error naming the missing plugin.
+The `settings.*`, `credentials.*`, and `llm.*` domains are the configuration-page wire. The settings domain serves the namespaces addressed by registered configurable providers (`ctx.llm.listConfigurableProviders()`) plus a small explicit allowlist — the Web preference `permission` and the product-owned `ui-onboarding`; adding a Settings registration alone never makes it remotely readable or writable. Any other namespace answers `settings-not-exposed` — the same answer an unregistered namespace gets, so no caller can enumerate the registry by probing. `settings.describe` returns each exposed namespace's serialized schemastery schema, redacted layered values (resolved/`base`/`user` — a field's presence in `user` marks it user-overridden), the `secrets` slot list, and the section's `revision`. `settings.update`/`settings.replace` write the user layer; `settings.mutate` applies path ops (`set`/`unset`) against the section as stored, which is the removal path for a client holding the redacted view — rebuilding a section from it and replacing wholesale would delete the secrets the wire never returned. Any write may carry `expectedRevision`; a stale one answers `settings-conflict` with both revisions rather than overwriting the writer that landed first, and every other seam refusal folds into `settings-rejected`. Secret-role values never ride any response in any layer; a secret crosses the wire in exactly one direction — inside an `update`/`mutate` payload or `credentials.set`. `credentials.describe` returns value-free views (`configured`/`source`/`writable`), and `credentials.set`/`credentials.unset` map a shadowed-reference refusal onto `credential-rejected`. `llm.providers` merges the configurable-provider directory with live routes (dormant entries carry `active: false`; undeclared live routes append with no settings address) and `llm.models` is the session-independent catalog. Three invalidation frames keep every surface converged without polling: `host/settings-changed {ns}` (`settings/document-updated` passthrough, so a raw change whose resolved value is unchanged still reaches clients), `host/credentials-changed {ref}` (reference names only, never values), and `host/models-changed` — fired by `llm/adapters-updated` and by a change to a configurable-provider namespace, whose settings carry that provider's catalog and endpoint; a `permission` or `ui-onboarding` change emits only its settings invalidation. The browser carrier restricts the whole configuration plane, reads included (`settings.describe`/`update`/`replace`/`mutate`, `credentials.describe`/`set`/`unset`), to loopback same-origin requests — the `host.pickDirectory` privileged set. A composition without a settings or credential provider answers those domains with an actionable `internal` error naming the missing plugin.
 
 ## Carrier layer (`/client` + root)
 
@@ -49,5 +53,6 @@ None; this package neither assembles nor sends a provider request.
 - **`respond` routing is shipped, but pending-interaction state is host-side work** — the wire shape (POST `/api/respond`, `RpcReceipt`) is final; the pending table that makes late/duplicate answers meaningful lives in `src/api-proxy.ts` and is still minimal (questions only, no approvals).
 - **Reserved seams stay out of `RpcMethodMap`** — `prompt.mode: 'inject'`, `task.list`, and a describe `hostInstanceId` are documented reservations (the former `host.listModels` reservation shipped as `llm.models`); an unknown method fails loud at envelope parse rather than getting a not-implemented code.
 - **No protocol version field** — client and host ship together; `host.describe` gains a version negotiation field only when an independently released client exists.
+- **Search failures include provider diagnostics** — the gateway is a single-user local service. A carrier that exposes it to multiple users must replace internal search details with a public-safe diagnostic.
 - **Linux native picker requires desktop tooling** — under the `native` capability, `host.pickDirectory` reports an actionable error when neither Zenity nor KDialog is installed; the browse backend is the composition-level fallback (see the [native backend README](../directory-picker-native/README.md)).
 - **A cold session's `updatedAt` counts a mere pickup as a write (per-file backends only)** — the attached projection excludes the `session/end-seed` boundary, because picking a session up is not activity, but a cold session's `updatedAt` is its log file's mtime and every durable write refreshes that, the boundary included. `agentFor()` resumes a cold session on first touch, so merely opening one in a client writes it. This applies only where `locate()` resolves a per-session artifact, i.e. JSONL; SQLite returns `undefined`, so its cold sessions fall back to `createdAt` and are skewed the other way — too old rather than too new — independently of this boundary. A session touched without being worked in therefore sorts newer than its last real activity until it attaches. Separating the two needs a log read, which is exactly what the mtime path exists to avoid; a stored last-activity field in the index would fix it at the source, scoped in the [last-activity-index Agent Note](../../../.agents/notes/proposed/architecture/2026-07-29-durable-last-activity-index.md).
diff --git a/packages/host/apiproxy/README.zh.md b/packages/host/apiproxy/README.zh.md
index ef62ab53e3..24758b4ab3 100644
--- a/packages/host/apiproxy/README.zh.md
+++ b/packages/host/apiproxy/README.zh.md
@@ -20,17 +20,21 @@
 
 会话模型路由属于会话领域契约。`session.models` 返回选中的提供方／模型／推理目标，以及按提供方分组的建议性模型、精确路由推理元数据和逐提供方查询失败记录。`session.selectModel` 校验由适配器持有的可选推理强度，并替换将在下一提示词组装边界使用的完整目标。目录成员关系不构成校验：适配器可以解析未列出的模型，而不可用路由或不受支持的推理强度会返回 `model-unavailable`。
 
-待处理的 queued 输入属于实时控制平面契约，而非对话历史。网关根据持久 `agent/inbox/spliced` 变更派生完整的 `next-turn` 队列，并在每次变更后及重连时广播权威 `session/queue` 快照；待处理的 `next-step` steering（中途引导）不进入此 Web 投影。面向单条消息的 `agent/inbox/inserted`、`claimed` 与 `discarded` 通知仍供生命周期观察方使用，但不用于构建队列视图。`session.updateQueue` 通过 `MessageId` 寻址单个项；编辑和移除经已挂载 Agent 的 `Inbox.splice()` 修改队列。claim 的纯删除 splice 会在 pre-step 准入前赢得竞态，因此之后的操作返回 `queue-item-not-found`。该操作绝不恢复冷会话，客户端也绝不根据轮次或状态事件推断某项已退出队列。
+待处理的 queued 输入属于实时控制平面契约，而非对话历史。网关根据持久 `agent/inbox/spliced` 变更派生完整的 `next-turn` 队列，并在每次变更后及重连时广播权威 `session/queue` 快照；待处理的 `next-step` steering（中途引导）不进入此 Web 投影。面向单条消息的 `agent/inbox/inserted`、`claimed` 与 `discarded` 通知仍供生命周期观察方使用，但不用于构建队列视图。`session.updateQueue` 通过 `MessageId` 寻址单个项；编辑和移除经已挂载 Agent 的 `Inbox.splice()` 修改队列。claim 的纯删除 splice 会在 pre-step 准入前赢得竞态，因此之后的操作返回 `queue-item-not-found`。`session.cancel` 仅中止活动轮次并保留待处理 inbox 工作；取消达到完全停稳且结束中的轮次完成 flush 后，AgentLoop 按 FIFO 顺序认领下一条可唤醒消息，浏览器绝不重发或提升它。队列操作绝不恢复冷会话，客户端也绝不根据轮次或状态事件推断某项已退出队列。
 
-Workspace 列表与 Session 列表是相互独立的重连基线。`workspace.create` 会创建唯一名称或接纳现有目录，`workspace.delete` 只移除 Workspace 注册记录，`session.create` 接受可选的预分配 Session id，`host/workspace-changed`、`host/workspace-removed` 与 `host/session-added` 则以任意到达顺序携带已提交的增量。删除注册记录会保留目录和会话日志；相关 Session 仍留在 `session.list` 中，并进入 Ungrouped。`SessionSummary.blank` 与 `host/session-added` 帧携带派生的零事件位：客户端隐藏空白会话并按 workspace 复用它们，在首个 `host/session-status(running:true)` 时翻转 blank，并以 `session.list` 作为重连权威；冷会话摘要永远不是空白：惰性持久化让从未追加过事件的会话根本不出现在 `list()` 中。
+Workspace 列表与 Session 列表是相互独立的重连基线。`workspace.create({ name })` 会在配置根目录下创建显示标题唯一的目录，而 `workspace.create({ path })` 会接纳已有的规范目录，并允许由 basename 派生的标题重复。`workspace.delete` 只移除 Workspace 注册记录，`session.create` 接受可选的预分配 Session id，`host/workspace-changed`、`host/workspace-removed` 与 `host/session-added` 则以任意到达顺序携带已提交的增量。`workspace.archiveSession` 向注册表级全局归档集合添加一个会话，并应答完整的更新后集合；`workspace.list` 携带该集合作为重连基线，`host/archived-sessions-changed` 在每次持久变更后推送完整快照。归档只把会话从各分组视图中隐藏，不触碰其日志和 workspace 记账；既非实时也未持久化的会话以 `session-not-found` 失败。删除注册记录会保留目录和会话日志；相关 Session 仍留在 `session.list` 中，并进入 Ungrouped。`SessionSummary.blank` 与 `host/session-added` 帧携带派生的零事件位：客户端隐藏空白会话并按 workspace 复用它们，在首个 `host/session-status(running:true)` 时翻转 blank，并以 `session.list` 作为重连权威；冷会话摘要永远不是空白：惰性持久化让从未追加过事件的会话根本不出现在 `list()` 中。
 
-目录选择委托给组合的 `ctx.directoryPicker` 后端（[目录选择 seam](../directory-picker/README.md)）；调用组合能力 kind 之外的方法会以 `directory-picker-unavailable` 失败（客户端不需要广播——组合的选择器包自己的 client half 渲染匹配的交互）。在 `native` 下，`host.pickDirectory` 打开一个原生选择器并返回选中路径（取消为 `null`）；该方法需等待用户完成操作，是唯一不受默认 30 秒超时限制的一元调用，调用方与连接的中止仍会传播至原生进程。在 `browse` 下，`host.listDirectory` 返回一个按名称排序的目录层级，携带面包屑祖先链、`home` 锚点与宿主判定的 `hidden` 标志（不带路径即家目录），`host.createDirectory` 创建一个经校验的子段；后端的类型化失败 1:1 映射为 `directory-unreadable`／`directory-exists`／`directory-create-failed` 错误码。浏览器载体的前缀级信任栅栏（dsh-client-connection）像覆盖其他所有 `/api` 请求一样覆盖上述全部方法。
+`session.search` 是以 `session.list` 所列会话为范围的有界内容搜索投影。网关向可选的 `ctx.sessionQuery` 服务请求全局排序后的当前 surface user、assistant 和 steering（中途引导）匹配项，并持续消费该结果流，直到获得至多 20 个可见会话／snippet 对及一个前瞻项；返回前仍会依据从列表推导的授权集合重新校验每个命中。提供方分页初始请求 20 个命中；如果第一页请求因这一上限被拒绝，网关会依次探测 10、5、2、1，并在续传和陈旧世代重启中沿用探测所得的页面大小。返回的 snippet 最多包含 240 个 Unicode 码点，响应 schema 则会在每个客户端边界独立强制执行该上限。将授权集合保留在宿主内存中，可在不削弱可见性或排序的前提下避开有效大型语料库的 SQLite 变量上限。
+
+陈旧的续传会丢弃该提供方尝试中的所有部分结果、去重条目和游标，然后依据最初从列表推导的可见性快照从第一页重新开始，但不会丢弃探测所得的提供方页面大小。上限探测与陈旧重试共用最多 100 次提供方调用的限制（因此最多检查 2,000 个命中）；如果某页命中数超过其请求的上限、续传游标重复，或用尽该调用预算后结果流仍未耗尽，都会直接返回 `internal` 业务错误，不返回部分结果。载体请求信号可取消持久化列表枚举、冷会话摘要收集和每一次搜索调用；即使同时收到上限拒绝或陈旧拒绝，也以取消为准。部署若未挂载该服务，或索引／查询故障无法恢复，也会返回 `internal` 业务错误，以便客户端保留仅基于元数据的匹配项。
+
+目录选择委托给组合的 `ctx.directoryPicker` 后端（[目录选择 seam](../directory-picker/README.md)）；调用组合能力 kind 之外的方法会以 `directory-picker-unavailable` 失败（客户端不需要广播——组合的选择器包自己的 client half 渲染匹配的交互）。在 `native` 下，`host.pickDirectory` 打开一个原生选择器并返回选中路径（取消为 `null`）；该方法需等待用户完成操作，不使用默认的 30 秒一元调用超时，而调用方与连接的中止仍会传播至原生进程。在 `browse` 下，`host.listDirectory` 返回一个按名称排序的目录层级，携带面包屑祖先链、`home` 锚点与宿主判定的 `hidden` 标志（不带路径即家目录），`host.createDirectory` 创建一个经校验的子段；后端的类型化失败 1:1 映射为 `directory-unreadable`／`directory-exists`／`directory-create-failed` 错误码。浏览器载体的前缀级信任栅栏（dsh-client-connection）像覆盖其他所有 `/api` 请求一样覆盖上述全部方法。
 
 `host.openPath` 会用操作系统的默认应用打开一个文件系统路径（macOS 为 `open`，Windows 为 `Invoke-Item`，Linux 为 `xdg-open`）。打开器可在测试中注入。浏览器载体对其施加与 `host.pickDirectory` 相同的回环、同源限制。
 
-`command.*` 与 `skill.*` 领域向客户端暴露宿主命令注册表和技能目录。每个方法都通过 `sessionId` 寻址一个会话的 Agent（被服务的会话必有 Agent；`command.*` 经由与 `session.*` 相同的路径恢复冷会话，而 `skill.list` 从会话头解析项目根目录，不触碰 Agent 注册表）。`skill.list` 服务于浏览器中由用户选择的模型引用路径，因此仅返回模型和用户均可调用的 skill；该领域没有直接加载 skill 的 RPC。`command.execute` 在宿主侧运行一条斜杠命令行，语义为纯准入：响应报告该行是否解析到处理器，并在解析到时回带铸造的生命周期 `commandId`（将本次确认与流节点关联）；结局经由持久落账并在 mux 流广播的 `command/run`/`command/done` 生命周期事件对承载；载体的请求信号可取消正在运行的处理器。`host/commands-changed` 是目录失效帧：客户端重新拉取 `command.list` 而不是做差分。
+`command.*` 与 `skill.*` 领域向客户端暴露宿主命令注册表和技能目录。每个方法都通过 `sessionId` 寻址一个会话的 Agent（被服务的会话必有 Agent；`command.*` 经由与 `session.*` 相同的路径恢复冷会话，而 `skill.list` 从会话头解析项目根目录，不触碰 Agent 注册表）。`skill.list` 服务于浏览器中由用户选择的模型引用路径，因此仅返回模型和用户均可调用的 skill；该领域没有直接加载 skill 的 RPC。`command.execute` 在宿主侧运行一条斜杠命令行，语义为纯准入：响应报告该行是否解析到处理器，并在解析到时回带铸造的生命周期 `commandId`（将本次确认与流节点关联）；结局经由持久落账并在 mux 流广播的 `command/run`/`command/done` 生命周期事件对承载。命令处理器运行超过 30 秒的传输健康时限仍属正常，因此 `command.execute` 仅携带调用方／连接取消信号；该信号可取消正在运行的处理器。`host/commands-changed` 是目录失效帧：客户端重新拉取 `command.list` 而不是做差分。
 
-`settings.*`、`credentials.*` 与 `llm.*` 领域是配置页协议。settings 领域只服务于已注册可配置提供方所指向的那些 namespace（`ctx.llm.listConfigurableProviders()`）：seam 本身是通用的，但这个面是模型提供方表层，因此目录中无人点名的 namespace 在这里既不会被描述也不可写入，只会得到 `settings-not-exposed`——未注册的 namespace 得到的是同一个答复，因此没有调用方能靠逐个探测把注册表枚举出来。`settings.describe` 为每个已暴露 namespace 提供其序列化 schemastery schema、脱敏后的分层值（resolved/`base`/`user`——字段出现在 `user` 中即标记其被用户覆盖）、`secrets` 槽位列表，以及该分节的 `revision`。`settings.update`/`settings.replace` 写入用户层；`settings.mutate` 则在已存分节上施加路径 op（`set`/`unset`），这是持有脱敏视图的客户端的删除路径——据此重建分节再整体替换，会删掉协议从未回传过的那些机密。任何写入都可携带 `expectedRevision`；过期的期望值会以 `settings-conflict` 连同两个 revision 作答，而不是覆盖先落地的那个写方，其余每种 seam 拒绝则折叠为 `settings-rejected`。secret 角色的值绝不在任何一层搭乘任何响应；secret 只沿一个方向跨越协议——在 `update`/`mutate` 载荷或 `credentials.set` 之内。`credentials.describe` 返回不含值的视图（`configured`/`source`/`writable`），`credentials.set`/`credentials.unset` 则把被遮蔽引用的拒绝映射为 `credential-rejected`。`llm.providers` 把可配置提供方目录与存活路由合并（休眠条目携带 `active: false`；未声明的存活路由追加在后，不带 settings 地址），`llm.models` 则是与会话无关的目录。三个失效帧让每个面无需轮询即保持收敛：`host/settings-changed {ns}`（`settings/document-updated` 透传，因此解析值未变的原始变更同样能到达客户端）、`host/credentials-changed {ref}`（只带引用名，绝不带值），以及 `host/models-changed`——它既由 `llm/adapters-updated` 触发，也由某个已暴露提供方 namespace 的变更触发，因为该提供方的设置正承载着它的目录与端点。浏览器载体把整个配置面（含读取：`settings.describe`/`update`/`replace`/`mutate` 与 `credentials.describe`/`set`/`unset`）限制为仅接受来自回环地址的同源请求——即 `host.pickDirectory` 所在的特权集合。未装 settings 或凭据 provider 的组合会以指名缺失插件、包含解决建议的 `internal` 错误应答这些领域。
+`settings.*`、`credentials.*` 与 `llm.*` 领域是配置页协议。settings 领域服务于已注册可配置提供方所指向的 namespace（`ctx.llm.listConfigurableProviders()`），并额外服务于一份小型、显式的 allowlist——Web 偏好 `permission` 与产品持有的 `ui-onboarding`；仅新增一项 Settings 注册，绝不会使其可被远程读取或写入。其他任何 namespace 都只会得到 `settings-not-exposed`——未注册的 namespace 得到的是同一个答复，因此没有调用方能靠逐个探测把注册表枚举出来。`settings.describe` 为每个已暴露 namespace 提供其序列化 schemastery schema、脱敏后的分层值（resolved/`base`/`user`——字段出现在 `user` 中即标记其被用户覆盖）、`secrets` 槽位列表，以及该分节的 `revision`。`settings.update`/`settings.replace` 写入用户层；`settings.mutate` 则在已存分节上施加路径 op（`set`/`unset`），这是持有脱敏视图的客户端的删除路径——据此重建分节再整体替换，会删掉协议从未回传过的那些机密。任何写入都可携带 `expectedRevision`；过期的期望值会以 `settings-conflict` 连同两个 revision 作答，而不是覆盖先落地的那个写方，其余每种 seam 拒绝则折叠为 `settings-rejected`。secret 角色的值绝不在任何一层搭乘任何响应；secret 只沿一个方向跨越协议——在 `update`/`mutate` 载荷或 `credentials.set` 之内。`credentials.describe` 返回不含值的视图（`configured`/`source`/`writable`），`credentials.set`/`credentials.unset` 则把被遮蔽引用的拒绝映射为 `credential-rejected`。`llm.providers` 把可配置提供方目录与存活路由合并（休眠条目携带 `active: false`；未声明的存活路由追加在后，不带 settings 地址），`llm.models` 则是与会话无关的目录。三个失效帧让每个面无需轮询即保持收敛：`host/settings-changed {ns}`（`settings/document-updated` 透传，因此解析值未变的原始变更同样能到达客户端）、`host/credentials-changed {ref}`（只带引用名，绝不带值），以及 `host/models-changed`——它由 `llm/adapters-updated` 和可配置提供方 namespace 的变更触发，因为该提供方的设置正承载着它的目录与端点；`permission` 或 `ui-onboarding` 变更只会发出自身的 settings 失效通知。浏览器载体把整个配置面（含读取：`settings.describe`/`update`/`replace`/`mutate` 与 `credentials.describe`/`set`/`unset`）限制为仅接受来自回环地址的同源请求——即 `host.pickDirectory` 所在的特权集合。未装 settings 或凭据 provider 的组合会以指名缺失插件、包含解决建议的 `internal` 错误应答这些领域。
 
 ## 载体层（`/client` + 根路径）
 
@@ -49,5 +53,6 @@ Workspace 列表与 Session 列表是相互独立的重连基线。`workspace.cr
 - **`respond` 路由已经发布，但待处理交互状态仍属宿主侧工作**：协议形状（POST `/api/respond`、`RpcReceipt`）已经定型；使延迟或重复回答具有明确语义的待处理表位于 `src/api-proxy.ts`，目前仍很精简（只支持问题，不支持审批）。
 - **预留 seam 不进入 `RpcMethodMap`**：`prompt.mode: 'inject'`、`task.list` 和描述字段 `hostInstanceId` 都是已记录的预留项（先前预留的 `host.listModels` 已作为 `llm.models` 交付）；未知方法会在信封解析时直接失败，而不会返回「尚未实现」错误码。
 - **没有协议版本字段**：客户端与宿主一同发布；只有出现独立发布的客户端后，`host.describe` 才会增加版本协商字段。
+- **搜索失败会包含提供方诊断信息**：网关是单用户本地服务。将其暴露给多名用户的载体必须用可安全公开的诊断信息替代内部搜索细节。
 - **Linux 原生选择器依赖桌面工具**：在 `native` 能力下，Zenity 和 KDialog 均未安装时，`host.pickDirectory` 会给出包含解决建议的错误提示；组合层面的回退是 browse 后端（见 [native 后端 README](../directory-picker-native/README.md)）。
 - **冷会话的 `updatedAt` 会把一次单纯的拾起算作写入（仅逐文件后端）**：已附加投影排除了 `session/end-seed` 边界，因为接手一个会话不算活动；但冷会话的 `updatedAt` 取自其日志文件的 mtime，而每一次持久写入都会刷新它，包括这条边界。`agentFor()` 会在首次触碰时恢复一个冷会话，因此在客户端里仅仅打开一个会话就会写入它。这只适用于 `locate()` 能解析出逐会话产物的场景，即 JSONL；SQLite 返回 `undefined`，因此它的冷会话回退到 `createdAt`，偏差方向相反——偏旧而不是偏新——且与这条边界无关。于是一个被触碰过却没有在里面工作过的会话，在重新附加之前会按晚于其最后一次真实活动的时间排序。要把两者区分开需要读取日志，而这恰恰是 mtime 路径存在的目的；在索引中存储一个最后活动字段可以从源头修好它，范围见[最后活动索引 Agent Note（agent 决策记录）](../../../.agents/notes/proposed/architecture/2026-07-29-durable-last-activity-index.md)。
diff --git a/packages/host/apiproxy/package.json b/packages/host/apiproxy/package.json
index 8a8aa5bdea..e2d937d0cf 100644
--- a/packages/host/apiproxy/package.json
+++ b/packages/host/apiproxy/package.json
@@ -52,6 +52,7 @@
     "@deepseek-ai/dsh-session-persistence": "workspace:^",
     "@deepseek-ai/dsh-session-projection": "workspace:^",
     "@deepseek-ai/dsh-session-projection-cache": "workspace:^",
+    "@deepseek-ai/dsh-session-query": "workspace:^",
     "@deepseek-ai/dsh-session-title": "workspace:^",
     "@deepseek-ai/dsh-settings": "workspace:^",
     "@deepseek-ai/dsh-skill": "workspace:^",
diff --git a/packages/host/apiproxy/src/api-proxy.ts b/packages/host/apiproxy/src/api-proxy.ts
index 5b6f62394b..43dce96181 100644
--- a/packages/host/apiproxy/src/api-proxy.ts
+++ b/packages/host/apiproxy/src/api-proxy.ts
@@ -17,18 +17,24 @@ import type { MessageSource } from '@deepseek-ai/dsh-llm'
 import { isAppendSurfaceEvent, lastActivityTime } from '@deepseek-ai/dsh-session'
 import type { Session, SessionEvent, SessionHeader, SessionId, UserMessage } from '@deepseek-ai/dsh-session'
 import type { SessionPersistence } from '@deepseek-ai/dsh-session-persistence'
+import { SessionQueryError, type SessionSearchCursor } from '@deepseek-ai/dsh-session-query'
 import type { Workspace, WorkspaceRecord } from '@deepseek-ai/dsh-workspace'
 import {
   workspaceDomainState, workspaceRecord, WorkspaceId as brandWorkspaceId,
-  WorkspaceMoveInvalidError, WorkspaceNameConflictError,
+  WorkspaceMoveInvalidError, WorkspaceUnknownSessionError,
 } from '@deepseek-ai/dsh-workspace'
 // Type-only: brings the `ctx.tools` Context merge into this program (viewFor reads presenters).
 import type {} from '@deepseek-ai/dsh-tools'
 import type {
   ApiProxy, CredentialView, GoalRef, HistoryEntry, HostFrame, ModelCatalogFailure, ModelProviderGroup,
-  ModelReasoning, MuxFrame, QuestionResponsePayload, SessionProjectionsBlock, SessionSummary,
-  SettingsNamespaceView, ToolEventView, WorkspaceId, WorkspaceView,
+  ModelReasoning, MuxFrame, QuestionResponsePayload, SessionProjectionsBlock, SessionSearchItem,
+  SessionSummary, SettingsNamespaceView, ToolEventView, WorkspaceId, WorkspaceView,
 } from './api/index.ts'
+import {
+  SESSION_SEARCH_RESULT_LIMIT,
+  SESSION_SEARCH_SNIPPET_MAX_CODE_POINTS,
+  truncateUnicodeCodePoints,
+} from './api/session-search.ts'
 // Type-only: resolves `ctx.get('sessionProjections')` to the projection registry.
 import type {} from '@deepseek-ai/dsh-session-projection'
 // Type-only: resolves `ctx.get('sessionProjectionCache')` (the cold listing column).
@@ -66,9 +72,26 @@ import { openNativePath } from './native-path-opener.ts'
 /** Page size when history is called without maxMessages. */
 const DEFAULT_MAX_MESSAGES = 50
 
+/** Non-model settings namespaces intentionally served to the Web client. */
+const WEB_SETTINGS_NAMESPACES = ['permission'] as const
+
+/** Provider work budget: at most 100 calls and 2,000 inspected hits. */
+const SESSION_SEARCH_PROVIDER_CALL_LIMIT = 100
+
+/** Bound cold-log stat fan-out and settle each started batch before cancellation returns. */
+const COLD_SUMMARY_BATCH_SIZE = 16
+
 /** Conversation message event types (the pagination counting unit). */
 const MESSAGE_TYPES = new Set(['user/message', 'assistant/message', 'steering/message'])
 
+/** Product settings intentionally exposed beside model-provider namespaces. */
+const PRODUCT_SETTINGS_NAMESPACES = new Set(['ui-onboarding'])
+
+/** Read live abort state across awaits without treating it as synchronously immutable. */
+function isAborted(signal: AbortSignal): boolean {
+  return signal.aborted
+}
+
 /**
  * Message-boundary pagination: count maxMessages append-origin messages
  * backwards from the window tail. Replacement copies never entered the
@@ -266,15 +289,22 @@ function summarize(session: Session, running: boolean): SessionSummary {
  * updatedAt is the log file's mtime; backends without a per-session file
  * (locate() undefined) fall back to the header's createdAt.
  */
-async function summarizeCold(persistence: SessionPersistence, meta: SessionHeader): Promise<SessionSummary> {
+async function summarizeCold(
+  persistence: SessionPersistence,
+  meta: SessionHeader,
+  signal?: AbortSignal,
+): Promise<SessionSummary> {
+  signal?.throwIfAborted()
   let updatedAt = meta.createdAt
   const location = persistence.locate(meta)
+  signal?.throwIfAborted()
   if (location !== undefined) {
     try {
       updatedAt = (await stat(location.path)).mtimeMs
     } catch {
       // The log vanished between list() and stat() (concurrent cleanup); createdAt stands in.
     }
+    signal?.throwIfAborted()
   }
   return {
     sessionId: meta.id,
@@ -492,6 +522,14 @@ class SessionCwdConflict extends Error {
 /** Host failed before the registry could adopt a name-created directory. */
 class WorkspaceDirectoryCreationError extends Error {}
 
+/** An explicit Host naming operation would duplicate another Workspace title. */
+class WorkspaceNameConflictError extends Error {
+  constructor(readonly workspaceName: string) {
+    super(`workspace name '${workspaceName}' is already in use`)
+    this.name = 'WorkspaceNameConflictError'
+  }
+}
+
 /** Shared workspace-not-found error response of the workspace.* mutation rows. */
 function workspaceNotFound<T>(request: RpcRequest<unknown>, workspaceId: string): RpcResponse<T> {
   return err(request, {
@@ -540,7 +578,7 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
   const resumes = new Map<SessionId, Promise<Agent>>()
   /** Client-chosen identity creation/resume, deduplicated across concurrent retries. */
   const sessionCreations = new Map<SessionId, Promise<Agent>>()
-  /** Serializes path ownership checks with record creation across spellings. */
+  /** Serializes path ownership and explicit title checks with Workspace mutations. */
   let workspaceCreationChain = Promise.resolve()
   const pendingQuestions = new Map<RpcId, PendingQuestion>()
   const pendingApprovals = new Map<RpcId, PendingApproval>()
@@ -856,6 +894,62 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
     return operation
   }
 
+  /**
+   * Build the session.list baseline shared by listing and search visibility.
+   * Attached sessions come from memory; servable cold sessions merge from
+   * persistence, and the final order is newest-first.
+   */
+  async function listVisibleSessionSummaries(signal?: AbortSignal): Promise<SessionSummary[]> {
+    signal?.throwIfAborted()
+    const items = ctx.sessions.list().map((session) => {
+      const agent = ctx.agents.get(session.id)
+      const projections = listProjectionsFor(ctx, session.header, session)
+      return {
+        ...summarize(session, agent?.status === 'running'),
+        ...projections === undefined ? {} : { projections },
+      }
+    })
+    signal?.throwIfAborted()
+    const attached = new Set(items.map(item => item.sessionId))
+    const persistence = ctx.get('sessionPersistence')
+    if (persistence !== undefined) {
+      const cold = (await persistence.list(signal))
+        .filter(meta => !attached.has(meta.id) && meta.cwd !== undefined)
+      signal?.throwIfAborted()
+      for (let offset = 0; offset < cold.length; offset += COLD_SUMMARY_BATCH_SIZE) {
+        signal?.throwIfAborted()
+        const batch = cold.slice(offset, offset + COLD_SUMMARY_BATCH_SIZE)
+        const settled = await Promise.allSettled(
+          batch.map(async (meta) => {
+            // Cold rows read the persisted projection cache only — never a
+            // log load; a session without a cache row simply has no column.
+            const projections = listProjectionsFor(ctx, meta, undefined)
+            return {
+              ...await summarizeCold(persistence, meta, signal),
+              ...projections === undefined ? {} : { projections },
+            }
+          }),
+        )
+        const summaries: SessionSummary[] = []
+        let rejected = false
+        let failure: unknown
+        for (const result of settled) {
+          if (result.status === 'fulfilled') {
+            summaries.push(result.value)
+          } else if (!rejected) {
+            rejected = true
+            failure = result.reason
+          }
+        }
+        if (rejected) throw failure
+        signal?.throwIfAborted()
+        items.push(...summaries)
+      }
+    }
+    items.sort((a, b) => b.updatedAt - a.updatedAt)
+    return items
+  }
+
   /** Resolve the goal service; absent = the deployment did not compose @deepseek-ai/dsh-goal. */
   function goalService(): NonNullable<ReturnType<typeof ctx.get<'goals'>>> | { error: RpcError } {
     const goals = ctx.get('goals')
@@ -912,31 +1006,36 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
     }
   }
 
-  /**
-   * The settings namespaces this proxy serves: exactly those a registered
-   * configurable provider addresses. The settings seam itself is general —
-   * any plugin may register a namespace for its own configuration — but the
-   * Web configuration plane is scoped to model providers, and that boundary
-   * has to be enforced here rather than assumed from the current plugin set.
-   * Without it, every future `settings.register()` would silently become
-   * remotely readable and writable configuration.
-   */
-  function exposedNamespaces(): Set<string> {
+  /** Settings namespaces whose changes can invalidate the model catalog. */
+  function modelProviderNamespaces(): Set<string> {
     return new Set(ctx.llm.listConfigurableProviders().map(entry => entry.settingsNs))
   }
 
-  /** Refuse a namespace outside the model-provider boundary, naming why. */
+  /**
+   * The settings namespaces this proxy serves: configurable model providers
+   * plus the small explicit Web preference and product-owned allowlists. The
+   * settings seam remains general; a future registration does not become
+   * remotely readable or writable by default.
+   */
+  function exposedNamespaces(): Set<string> {
+    const exposed = modelProviderNamespaces()
+    for (const ns of WEB_SETTINGS_NAMESPACES) exposed.add(ns)
+    for (const ns of PRODUCT_SETTINGS_NAMESPACES) exposed.add(ns)
+    return exposed
+  }
+
+  /** Refuse a namespace outside the explicit configuration-client boundary. */
   function notExposed(request: RpcRequest<unknown>, ns: string): RpcResponse<SettingsNamespaceView> {
     return err(request, {
       code: 'settings-not-exposed',
-      message: `settings namespace "${ns}" is not exposed to configuration clients; only a namespace a registered model provider addresses is`,
+      message: `settings namespace "${ns}" is not exposed to configuration clients`,
       details: { ns },
     })
   }
 
   /**
    * Run one settings write (merge or wholesale replace) and acknowledge with
-   * the namespace's new redacted view. A namespace outside the model-provider
+   * the namespace's new redacted view. A namespace outside the configuration
    * boundary is refused before the seam is touched; every seam refusal —
    * unknown or invalid namespace, read-only provider, schema validation,
    * storage — becomes one `settings-rejected` carrying the seam's own message.
@@ -998,30 +1097,137 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
       // Legacy logs without a cwd (pre-project stance) are not served — every
       // session now records its project at create time.
       async list(request) {
-        const items = ctx.sessions.list().map((session) => {
-          const agent = ctx.agents.get(session.id)
-          const projections = listProjectionsFor(ctx, session.header, session)
-          return {
-            ...summarize(session, agent?.status === 'running'),
-            ...projections === undefined ? {} : { projections },
-          }
+        return ok(request, { items: await listVisibleSessionSummaries() })
+      },
+
+      async search(request, signal) {
+        const cancelled = () => err<{ items: SessionSearchItem[]; hasMore: boolean }>(request, {
+          code: 'cancelled',
+          message: 'session search was aborted',
+          details: {},
         })
-        const attached = new Set(items.map(item => item.sessionId))
-        const persistence = ctx.get('sessionPersistence')
-        if (persistence !== undefined) {
-          const cold = (await persistence.list()).filter(meta => !attached.has(meta.id) && meta.cwd !== undefined)
-          items.push(...await Promise.all(cold.map(async (meta) => {
-            // Cold rows read the persisted projection cache only — never a
-            // log load; a session without a cache row simply has no column.
-            const projections = listProjectionsFor(ctx, meta, undefined)
-            return {
-              ...await summarizeCold(persistence, meta),
-              ...projections === undefined ? {} : { projections },
-            }
-          })))
+        if (isAborted(signal)) return cancelled()
+        const sessionQuery = ctx.get('sessionQuery')
+        if (sessionQuery === undefined) {
+          return err(request, {
+            code: 'internal',
+            message: 'session search is unavailable: this deployment does not mount @deepseek-ai/dsh-session-query',
+            details: {},
+          })
+        }
+        try {
+          const visible = await listVisibleSessionSummaries(signal)
+          if (isAborted(signal)) return cancelled()
+          if (visible.length === 0) return ok(request, { items: [], hasMore: false })
+          const visibleIds = new Set(visible.map(item => item.sessionId))
+          const authorized: SessionSearchItem[] = []
+          const acceptedIds = new Set<SessionId>()
+          const seenCursors = new Set<SessionSearchCursor>()
+          let cursor: SessionSearchCursor | undefined
+          let providerCallCount = 0
+          let providerPageLimit = SESSION_SEARCH_RESULT_LIMIT
+          while (authorized.length <= SESSION_SEARCH_RESULT_LIMIT) {
+            if (isAborted(signal)) return cancelled()
+            if (providerCallCount >= SESSION_SEARCH_PROVIDER_CALL_LIMIT) {
+              throw new Error(
+                `session search provider exceeded the ${SESSION_SEARCH_PROVIDER_CALL_LIMIT}-call work budget`,
+              )
+            }
+            providerCallCount++
+            const requestedCursor = cursor
+            const requestedPageLimit = providerPageLimit
+            let page
+            try {
+              page = await sessionQuery.searchSessions({
+                query: request.payload.query,
+                eventFilters: [
+                  { kind: 'type', values: ['user/message', 'assistant/message', 'steering/message'] },
+                  { kind: 'surface', values: ['current'] },
+                ],
+                limit: requestedPageLimit,
+                ...requestedCursor === undefined ? {} : { cursor: requestedCursor },
+              }, { signal })
+            } catch (error: unknown) {
+              if (isAborted(signal)) return cancelled()
+              if (
+                requestedCursor === undefined
+                && error instanceof SessionQueryError
+                && error.code === 'SESSION_QUERY_INVALID_LIMIT'
+                && requestedPageLimit > 1
+              ) {
+                providerPageLimit = Math.max(1, Math.floor(requestedPageLimit / 2))
+                continue
+              }
+              if (
+                requestedCursor !== undefined
+                && error instanceof SessionQueryError
+                && error.code === 'SESSION_QUERY_STALE_CURSOR'
+              ) {
+                authorized.length = 0
+                acceptedIds.clear()
+                seenCursors.clear()
+                cursor = undefined
+                continue
+              }
+              throw error
+            }
+            if (isAborted(signal)) return cancelled()
+            const providerItemCount = page.items.length
+            if (providerItemCount > requestedPageLimit) {
+              throw new Error(
+                `session search provider returned ${providerItemCount} items; maximum is ${requestedPageLimit}`,
+              )
+            }
+            // Host visibility is the authorization boundary. Consume the
+            // provider's globally ranked stream rather than binding every
+            // visible id into one SQLite statement, then re-check complete
+            // provenance before emitting any snippet.
+            for (const hit of page.items) {
+              if (authorized.length > SESSION_SEARCH_RESULT_LIMIT) continue
+              if (
+                !visibleIds.has(hit.header.id)
+                || hit.bestMatch.sessionId !== hit.header.id
+                || hit.bestMatch.surface !== 'current'
+                || !MESSAGE_TYPES.has(hit.bestMatch.type)
+                || acceptedIds.has(hit.header.id)
+              ) continue
+              const snippet = truncateUnicodeCodePoints(
+                hit.bestMatch.snippet,
+                SESSION_SEARCH_SNIPPET_MAX_CODE_POINTS,
+              )
+              acceptedIds.add(hit.header.id)
+              authorized.push({
+                sessionId: hit.header.id,
+                snippet,
+              })
+            }
+            const nextCursor = page.nextCursor
+            if (nextCursor !== undefined) {
+              if (seenCursors.has(nextCursor)) {
+                throw new Error('session search provider repeated a continuation cursor')
+              }
+              seenCursors.add(nextCursor)
+            }
+            if (authorized.length > SESSION_SEARCH_RESULT_LIMIT || nextCursor === undefined) break
+            cursor = nextCursor
+          }
+          return ok(request, {
+            items: authorized.slice(0, SESSION_SEARCH_RESULT_LIMIT),
+            hasMore: authorized.length > SESSION_SEARCH_RESULT_LIMIT,
+          })
+        } catch (error: unknown) {
+          if (
+            isAborted(signal)
+            || (error instanceof SessionQueryError && error.code === 'SESSION_QUERY_ABORTED')
+          ) return cancelled()
+          // XXX: Redact provider details before exposing this gateway beyond
+          // its current single-user local deployment.
+          return err(request, {
+            code: 'internal',
+            message: `session search failed: ${String(error)}`,
+            details: {},
+          })
         }
-        items.sort((a, b) => b.updatedAt - a.updatedAt)
-        return ok(request, { items })
       },
 
       async create(request) {
@@ -1283,19 +1489,31 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
             details: { sessionId },
           }))
         }
-        agent.cancel({ kind: 'user' })
+        agent.cancel({ kind: 'user' }, { keepInbox: true })
         return Promise.resolve(ok(request, { accepted: true as const }))
       },
     },
 
     workspace: {
       list(request) {
-        return Promise.resolve(ok(request, { items: ctx.workspace.list().map(workspaceView) }))
+        return Promise.resolve(ok(request, {
+          items: ctx.workspace.list().map(workspaceView),
+          archivedSessionIds: [...ctx.workspace.archivedSessionIds],
+        }))
       },
 
       // Exactly one of path/name arrives (schema refine). Existing-folder
       // adoption reuses its canonical path; create-by-name rejects a name
       // already present in the registry.
+      // TODO: the create-by-name branch lost its last product consumer when
+      // the Web picker collapsed onto the directory flow
+      // (.agents/notes/implemented/simplification/2026-07-31-one-route-to-add-a-workspace.md).
+      // Delete it with the wire schema's `name` member, this
+      // `defaults.workspaceRoot`, the client seam that carried the name
+      // (`WorkspaceCreateInput`, `WorkspacesService.create`'s `{ name }` arm,
+      // `intentName`'s name branch, the manager's "name under workspaceRoot"
+      // contract), and the `dsh web --workspace-root` flag plus its apps/cli
+      // README lines, which exist only to feed it.
       async create(request) {
         const { payload } = request
         let path: string
@@ -1406,6 +1624,23 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
         }
         return ok(request, { workspace: workspaceView(workspace) })
       },
+
+      async archiveSession(request) {
+        const { sessionId } = request.payload
+        try {
+          await ctx.workspace.archiveSession(sessionId)
+        } catch (error: unknown) {
+          // Only the registry's unknown-session rejection is the business
+          // code; storage/durability failures propagate as internal errors.
+          if (!(error instanceof WorkspaceUnknownSessionError)) throw error
+          return err(request, {
+            code: 'session-not-found',
+            message: error.message,
+            details: { sessionId },
+          })
+        }
+        return ok(request, { archivedSessionIds: [...ctx.workspace.archivedSessionIds] })
+      },
     },
 
     host: {
@@ -1830,6 +2065,10 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
         const committedWorkspaceIds = new Set(
           ctx.workspace.list().map(workspace => String(workspace.id)),
         )
+        // Frame-dedup baseline, same posture as committedWorkspaceIds: the
+        // stream opens against the current set; workspace.list re-baselines
+        // reconnecting clients, so only later changes need frames.
+        let archivedSessionIds = ctx.workspace.archivedSessionIds
         const disposers = [
           ctx.on('session/created', (session: Session) => {
             queue.push(frame({
@@ -1866,6 +2105,14 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
                 committedWorkspaceIds.add(workspaceId)
                 queue.push(frame({ type: 'host/workspace-changed', workspace: workspaceView(workspace) }))
               }
+              if (state.archivedSessionIds.length !== archivedSessionIds.length
+                || state.archivedSessionIds.some((id, index) => id !== archivedSessionIds[index])) {
+                archivedSessionIds = state.archivedSessionIds
+                queue.push(frame({
+                  type: 'host/archived-sessions-changed',
+                  archivedSessionIds: [...state.archivedSessionIds],
+                }))
+              }
               return
             }
             if (change.table !== 'workspaces') return
@@ -1893,11 +2140,12 @@ export function createApiProxy(ctx: Context, defaults: ApiProxyDefaults): ApiPro
             // inherited to overridden leaves the resolved value equal, and a
             // configuration client still has to re-read (its held revision is
             // stale, and the field's meaning changed).
-            queue.push(frame({ type: 'host/settings-changed', ns: String(ns) }))
+            const name = String(ns)
+            queue.push(frame({ type: 'host/settings-changed', ns: name }))
             // A provider's own settings carry its model catalog and endpoint,
             // so a change there invalidates the model list even when the route
             // set is untouched — `llm/adapters-updated` alone misses it.
-            if (exposedNamespaces().has(String(ns))) queue.push(frame({ type: 'host/models-changed' }))
+            if (modelProviderNamespaces().has(name)) queue.push(frame({ type: 'host/models-changed' }))
           }),
           ctx.on('credentials/updated', (ref) => {
             queue.push(frame({ type: 'host/credentials-changed', ref: String(ref) }))
diff --git a/packages/host/apiproxy/src/api/events.schema.ts b/packages/host/apiproxy/src/api/events.schema.ts
index c5c5c09bfd..d3736b2c2e 100644
--- a/packages/host/apiproxy/src/api/events.schema.ts
+++ b/packages/host/apiproxy/src/api/events.schema.ts
@@ -68,6 +68,7 @@ export const hostFrameSchema = z.discriminatedUnion('type', [
   z.object({ type: z.literal('host/agent-error'), sessionId: sessionIdSchema, message: z.string() }),
   z.object({ type: z.literal('host/workspace-changed'), workspace: workspaceViewSchema }),
   z.object({ type: z.literal('host/workspace-removed'), workspaceId: workspaceIdSchema }),
+  z.object({ type: z.literal('host/archived-sessions-changed'), archivedSessionIds: z.array(sessionIdSchema) }),
   z.object({ type: z.literal('host/commands-changed') }),
   z.object({ type: z.literal('host/settings-changed'), ns: z.string() }),
   z.object({ type: z.literal('host/credentials-changed'), ref: z.string() }),
diff --git a/packages/host/apiproxy/src/api/events.ts b/packages/host/apiproxy/src/api/events.ts
index ac1b273b4c..5be61fb227 100644
--- a/packages/host/apiproxy/src/api/events.ts
+++ b/packages/host/apiproxy/src/api/events.ts
@@ -90,7 +90,9 @@ export type MuxFrame =
  * workspace mutation (create/attach/order change — the client upserts, while
  * `workspace.list` provides the reconnect baseline); workspace-removed is the
  * committed registration-deletion increment and never implies directory or
- * session-log deletion.
+ * session-log deletion; archived-sessions-changed pushes the full registry
+ * archive set after every durable change (same full-snapshot posture as
+ * workspace-changed — `workspace.list` re-baselines it on reconnect).
  */
 export type HostFrame =
   | { type: 'host/session-added'; sessionId: SessionId; blank: boolean; parentSessionId?: SessionId; cwd?: string }
@@ -99,6 +101,7 @@ export type HostFrame =
   | { type: 'host/agent-error'; sessionId: SessionId; message: string }
   | { type: 'host/workspace-changed'; workspace: WorkspaceView }
   | { type: 'host/workspace-removed'; workspaceId: WorkspaceView['workspaceId'] }
+  | { type: 'host/archived-sessions-changed'; archivedSessionIds: SessionId[] }
   /**
    * The command registry changed (`commands/change` passthrough). Pure
    * invalidation signal, no payload: clients refetch `command.list` in the
diff --git a/packages/host/apiproxy/src/api/index.ts b/packages/host/apiproxy/src/api/index.ts
index 1ee2433e64..8c69bae934 100644
--- a/packages/host/apiproxy/src/api/index.ts
+++ b/packages/host/apiproxy/src/api/index.ts
@@ -35,7 +35,8 @@ export interface ApiProxy {
 // ---- Domain interfaces and payload entities ----
 export type {
   HistoryEntry, ModelCatalogFailure, ModelCatalogModel, ModelProviderGroup, ModelReasoning,
-  ModelReasoningEffort, ModelTarget, QueueAction, SessionModels, SessionProjectionsBlock, SessionsApi, SessionSummary,
+  ModelReasoningEffort, ModelTarget, QueueAction, SessionModels, SessionProjectionsBlock, SessionSearchItem,
+  SessionsApi, SessionSummary,
 } from './sessions.ts'
 export type { DirectoryEntry, DirectoryListing, HostApi } from './host.ts'
 export type { WorkspaceApi, WorkspaceId, WorkspaceView } from './workspace.ts'
@@ -65,5 +66,13 @@ export type {
 // ---- Errors and ids ----
 export { RpcId, transportError } from './rpc.ts'
 export type { RpcError, RpcErrorCode, RpcErrorDetailsMap, RpcResult } from './rpc.ts'
+export type { InboxItemId } from '@deepseek-ai/dsh-agent/brand'
+
+// ---- Fixed session-search product bounds ----
+export {
+  SESSION_SEARCH_RESULT_LIMIT,
+  SESSION_SEARCH_SNIPPET_MAX_CODE_POINTS,
+} from './session-search.ts'
+
 // ---- Method registry and derived generics ----
 export type { RequestPayload, ResponseValue, RpcMethodMap } from './rpc-map.ts'
diff --git a/packages/host/apiproxy/src/api/rpc-map.ts b/packages/host/apiproxy/src/api/rpc-map.ts
index a13a1211dc..88e2c05575 100644
--- a/packages/host/apiproxy/src/api/rpc-map.ts
+++ b/packages/host/apiproxy/src/api/rpc-map.ts
@@ -22,6 +22,7 @@ import type { RpcResponse } from './rpc.ts'
  */
 export interface RpcMethodMap {
   'session.list': SessionsApi['list']
+  'session.search': SessionsApi['search']
   'session.create': SessionsApi['create']
   'session.history': SessionsApi['history']
   'session.models': SessionsApi['models']
@@ -41,6 +42,7 @@ export interface RpcMethodMap {
   'workspace.rename': WorkspaceApi['rename']
   'workspace.delete': WorkspaceApi['delete']
   'workspace.insertSessionBefore': WorkspaceApi['insertSessionBefore']
+  'workspace.archiveSession': WorkspaceApi['archiveSession']
   'command.list': CommandsApi['list']
   'command.execute': CommandsApi['execute']
   'skill.list': SkillsApi['list']
diff --git a/packages/host/apiproxy/src/api/session-search.ts b/packages/host/apiproxy/src/api/session-search.ts
new file mode 100644
index 0000000000..db68b3efde
--- /dev/null
+++ b/packages/host/apiproxy/src/api/session-search.ts
@@ -0,0 +1,22 @@
+/** Maximum number of sessions returned by one sidebar search. */
+export const SESSION_SEARCH_RESULT_LIMIT = 20
+
+/** Maximum snippet length in Unicode code points. */
+export const SESSION_SEARCH_SNIPPET_MAX_CODE_POINTS = 240
+
+/**
+ * Return the longest prefix containing at most `maximum` Unicode code points.
+ * @param value - text to bound.
+ * @param maximum - non-negative code-point limit.
+ * @returns `value` unchanged when it fits, otherwise a code-point-safe prefix.
+ */
+export function truncateUnicodeCodePoints(value: string, maximum: number): string {
+  let count = 0
+  let end = 0
+  for (const codePoint of value) {
+    if (count === maximum) return value.slice(0, end)
+    count++
+    end += codePoint.length
+  }
+  return value
+}
diff --git a/packages/host/apiproxy/src/api/sessions.schema.ts b/packages/host/apiproxy/src/api/sessions.schema.ts
index 61a3d888f4..09844f8766 100644
--- a/packages/host/apiproxy/src/api/sessions.schema.ts
+++ b/packages/host/apiproxy/src/api/sessions.schema.ts
@@ -12,10 +12,15 @@ import type { RequestPayload, ResponseValue } from './rpc-map.ts'
 import type { Wire } from './rpc.schema.ts'
 import type {
   HistoryEntry, ModelCatalogFailure, ModelCatalogModel, ModelProviderGroup, ModelReasoning,
-  ModelReasoningEffort, ModelTarget, SessionProjectionsBlock, SessionSummary,
+  ModelReasoningEffort, ModelTarget, SessionProjectionsBlock, SessionSearchItem, SessionSummary,
 } from './sessions.ts'
 import type { ToolEventView } from './events.ts'
 import type { WorkspaceId } from './workspace.ts'
+import {
+  SESSION_SEARCH_RESULT_LIMIT,
+  SESSION_SEARCH_SNIPPET_MAX_CODE_POINTS,
+  truncateUnicodeCodePoints,
+} from './session-search.ts'
 
 /** SessionId: one brand cast after shape validation (the only cast point in this domain). */
 export const sessionIdSchema = z.string().min(1) as unknown as z.ZodType<SessionId>
@@ -62,6 +67,33 @@ export const sessionListValueSchema: z.ZodType<Wire<ResponseValue<'session.list'
   items: z.array(sessionSummarySchema),
 })
 
+/** Fixed wire bound for one interactive sidebar query. */
+const SESSION_SEARCH_QUERY_MAX_CHARS = 500
+
+/** session.search request payload. */
+export const sessionSearchRequestSchema = z.object({
+  query: z.string().trim().min(1).max(SESSION_SEARCH_QUERY_MAX_CHARS)
+    .refine(query => !query.includes('\0'), { message: 'search query must not contain NUL' }),
+}) satisfies z.ZodType<Wire<RequestPayload<'session.search'>>>
+
+/** One session.search result. */
+export const sessionSearchItemSchema = z.object({
+  sessionId: sessionIdSchema,
+  snippet: z.string().refine(
+    snippet => truncateUnicodeCodePoints(
+      snippet,
+      SESSION_SEARCH_SNIPPET_MAX_CODE_POINTS,
+    ) === snippet,
+    { message: `search snippet must contain at most ${SESSION_SEARCH_SNIPPET_MAX_CODE_POINTS} Unicode code points` },
+  ),
+}) satisfies z.ZodType<Wire<SessionSearchItem>>
+
+/** session.search response value. */
+export const sessionSearchValueSchema = z.object({
+  items: z.array(sessionSearchItemSchema).max(SESSION_SEARCH_RESULT_LIMIT),
+  hasMore: z.boolean(),
+}) satisfies z.ZodType<Wire<ResponseValue<'session.search'>>>
+
 /** session.create request payload (at most one of workspaceId / cwd). */
 export const sessionCreateRequestSchema = z.object({
   workspaceId: workspaceIdSchema.optional(),
diff --git a/packages/host/apiproxy/src/api/sessions.ts b/packages/host/apiproxy/src/api/sessions.ts
index e534b5c442..4a80a0acbb 100644
--- a/packages/host/apiproxy/src/api/sessions.ts
+++ b/packages/host/apiproxy/src/api/sessions.ts
@@ -169,11 +169,28 @@ export interface SessionSummary {
   projections?: SessionProjectionsBlock
 }
 
+/** One session-content search result; display metadata stays owned by `session.list`. */
+export interface SessionSearchItem {
+  sessionId: SessionId
+  /** Plain-text excerpt around the strongest matching visible message. */
+  snippet: string
+}
+
 /** Session-domain unary methods (the map keys session.* of RpcMethodMap). */
 export interface SessionsApi {
   /** Lists persisted sessions (updatedAt descending). v1 returns everything; cursor is a reserved seat, unimplemented. */
   list(request: RpcRequest<{ cursor?: string }>): Promise<RpcResponse<{ items: SessionSummary[] }>>
 
+  /**
+   * Searches the current user/assistant/steering message surface across
+   * sessions visible to `list`. Results contain at most 20 sessions and carry
+   * no continuation cursor; `hasMore` asks the client to refine the query.
+   */
+  search(
+    request: RpcRequest<{ query: string }>,
+    signal: AbortSignal,
+  ): Promise<RpcResponse<{ items: SessionSearchItem[]; hasMore: boolean }>>
+
   /**
    * Creates a real session and its idle agent. At most one of `workspaceId` /
    * `cwd` is accepted; an omitted project uses the Host cwd. A caller may
@@ -262,7 +279,7 @@ export interface SessionsApi {
   updateQueue(request: RpcRequest<{ sessionId: SessionId; itemId: MessageId; action: QueueAction }>):
   Promise<RpcResponse<{ accepted: true }>>
 
-  /** Stops: clears both FIFOs + aborts the current step (1:1 with agent.cancel). */
+  /** Stops the active turn, preserving pending inbox work that resumes in FIFO order after cancellation settles. */
   cancel(request: RpcRequest<{ sessionId: SessionId }>): Promise<RpcResponse<{ accepted: true }>>
 
 }
diff --git a/packages/host/apiproxy/src/api/workspace.schema.ts b/packages/host/apiproxy/src/api/workspace.schema.ts
index e16e5339da..20b3038301 100644
--- a/packages/host/apiproxy/src/api/workspace.schema.ts
+++ b/packages/host/apiproxy/src/api/workspace.schema.ts
@@ -28,6 +28,7 @@ export const workspaceListRequestSchema = z.object({}) satisfies z.ZodType<Wire<
 /** workspace.list response value. */
 export const workspaceListValueSchema = z.object({
   items: z.array(workspaceViewSchema),
+  archivedSessionIds: z.array(sessionIdSchema),
 }) satisfies z.ZodType<Wire<ResponseValue<'workspace.list'>>>
 
 /** workspace.create request payload: exactly one of path/name (the contract's create spellings). */
@@ -80,3 +81,13 @@ export const workspaceInsertSessionBeforeRequestSchema = z.object({
 export const workspaceInsertSessionBeforeValueSchema = z.object({
   workspace: workspaceViewSchema,
 }) satisfies z.ZodType<Wire<ResponseValue<'workspace.insertSessionBefore'>>>
+
+/** workspace.archiveSession request payload. */
+export const workspaceArchiveSessionRequestSchema = z.object({
+  sessionId: sessionIdSchema,
+}) satisfies z.ZodType<Wire<RequestPayload<'workspace.archiveSession'>>>
+
+/** workspace.archiveSession response value: the full updated archive set. */
+export const workspaceArchiveSessionValueSchema = z.object({
+  archivedSessionIds: z.array(sessionIdSchema),
+}) satisfies z.ZodType<Wire<ResponseValue<'workspace.archiveSession'>>>
diff --git a/packages/host/apiproxy/src/api/workspace.ts b/packages/host/apiproxy/src/api/workspace.ts
index ff22d845fb..d5307e27a8 100644
--- a/packages/host/apiproxy/src/api/workspace.ts
+++ b/packages/host/apiproxy/src/api/workspace.ts
@@ -22,7 +22,7 @@ export interface WorkspaceView {
   workspaceId: WorkspaceId
   /** Canonical directory path (host-side realpath canon). */
   path: string
-  /** Unique display title (defaults to the path basename at create). */
+  /** Display title (defaults to the path basename at create). */
   title: string
   /**
    * Sessions accounted under this workspace, in manually owned order
@@ -37,8 +37,13 @@ export interface WorkspaceView {
 
 /** Workspace-domain unary methods (the map keys workspace.* of RpcMethodMap). */
 export interface WorkspaceApi {
-  /** Lists all workspaces in the registry's durable display order. */
-  list(request: RpcRequest<{}>): Promise<RpcResponse<{ items: WorkspaceView[] }>>
+  /**
+   * Lists all workspaces in the registry's durable display order, plus the
+   * registry-global archive set (the reconnect baseline of
+   * `host/archived-sessions-changed`). Archived sessions stay in their
+   * workspace's `sessionIds` account; grouping surfaces hide them.
+   */
+  list(request: RpcRequest<{}>): Promise<RpcResponse<{ items: WorkspaceView[]; archivedSessionIds: SessionId[] }>>
 
   /**
    * Creates (or idempotently resolves) a workspace. Exactly one of `path` /
@@ -48,8 +53,8 @@ export interface WorkspaceApi {
    * root before registering. Either spelling resolving to a directory already
    * owned by a workspace returns that workspace (`created: false`) for the
    * existing-folder spelling. Create-by-name rejects an existing title with
-   * `workspace-name-conflict`; a new path whose basename duplicates another
-   * Workspace title is rejected by the registry with the same code.
+   * `workspace-name-conflict`; path adoption allows distinct canonical paths
+   * whose basenames produce the same display title.
    * A new name-created workspace uses `name` as both directory name and title;
    * a path-created workspace uses the registry's basename title default.
    */
@@ -86,4 +91,15 @@ export interface WorkspaceApi {
     sessionId: SessionId
     beforeSessionId?: SessionId
   }>): Promise<RpcResponse<{ workspace: WorkspaceView }>>
+
+  /**
+   * Adds one session to the registry-global archive set: the session
+   * disappears from every grouping surface but keeps its session log and its
+   * workspace accounting slot (a future unarchive restores its position).
+   * Idempotent for an already archived id. A session neither live nor in
+   * session persistence fails with `session-not-found`. Returns the full
+   * updated set (same snapshot the changed frame carries).
+   */
+  archiveSession(request: RpcRequest<{ sessionId: SessionId }>):
+  Promise<RpcResponse<{ archivedSessionIds: SessionId[] }>>
 }
diff --git a/packages/host/apiproxy/src/fetch/client.ts b/packages/host/apiproxy/src/fetch/client.ts
index 252c36561a..7b5c1545de 100644
--- a/packages/host/apiproxy/src/fetch/client.ts
+++ b/packages/host/apiproxy/src/fetch/client.ts
@@ -26,10 +26,12 @@ import {
   sessionModelsValueSchema,
   sessionPromptValueSchema,
   sessionRenameValueSchema,
+  sessionSearchValueSchema,
   sessionSelectModelValueSchema,
   sessionUpdateQueueValueSchema,
 } from '../api/sessions.schema.ts'
 import {
+  workspaceArchiveSessionValueSchema,
   workspaceCreateValueSchema,
   workspaceDeleteValueSchema,
   workspaceInsertSessionBeforeValueSchema,
@@ -58,9 +60,10 @@ import { llmModelsValueSchema, llmProvidersValueSchema } from '../api/llm.schema
  * Client consumption face of the contract (shape a): same domain tree as ApiProxy, but unary
  * methods take the business payload directly — the carrier mints the rpcId and wraps the
  * envelope. Business code needing the call's rpcId reads it from the RpcResponse echo.
- * Unary methods and respond accept an optional external AbortSignal as the last parameter
- * (merged with the instance timeout via AbortSignal.any; same "signal rides beside the
- * request, never on the wire" discipline as the stream signatures).
+ * Unary methods and respond accept an optional external AbortSignal as the last parameter.
+ * Bounded calls merge it with the instance timeout via AbortSignal.any; user-paced calls
+ * carry only that external signal. In both cases the signal rides beside the request, never
+ * on the wire, like the stream signatures.
  * Stream methods accept an optional onOpen callback: it fires once the SSE transport is
  * readable (response headers received, before any frame) — the "stream established" signal
  * connection controllers need for the readiness handshake. Generators are lazy, so the
@@ -72,6 +75,7 @@ import { llmModelsValueSchema, llmProvidersValueSchema } from '../api/llm.schema
 export interface IApiClient {
   sessions: {
     list(payload: RequestPayload<'session.list'>, signal?: AbortSignal): Promise<RpcResponse<ResponseValue<'session.list'>>>
+    search(payload: RequestPayload<'session.search'>, signal?: AbortSignal): Promise<RpcResponse<ResponseValue<'session.search'>>>
     create(payload: RequestPayload<'session.create'>, signal?: AbortSignal): Promise<RpcResponse<ResponseValue<'session.create'>>>
     history(payload: RequestPayload<'session.history'>, signal?: AbortSignal): Promise<RpcResponse<ResponseValue<'session.history'>>>
     models(payload: RequestPayload<'session.models'>, signal?: AbortSignal): Promise<RpcResponse<ResponseValue<'session.models'>>>
@@ -95,6 +99,7 @@ export interface IApiClient {
     rename(payload: RequestPayload<'workspace.rename'>, signal?: AbortSignal): Promise<RpcResponse<ResponseValue<'workspace.rename'>>>
     delete(payload: RequestPayload<'workspace.delete'>, signal?: AbortSignal): Promise<RpcResponse<ResponseValue<'workspace.delete'>>>
     insertSessionBefore(payload: RequestPayload<'workspace.insertSessionBefore'>, signal?: AbortSignal): Promise<RpcResponse<ResponseValue<'workspace.insertSessionBefore'>>>
+    archiveSession(payload: RequestPayload<'workspace.archiveSession'>, signal?: AbortSignal): Promise<RpcResponse<ResponseValue<'workspace.archiveSession'>>>
   }
   commands: {
     list(payload: RequestPayload<'command.list'>, signal?: AbortSignal): Promise<RpcResponse<ResponseValue<'command.list'>>>
@@ -140,6 +145,7 @@ export interface IApiClient {
  */
 const UNARY_VALUE_SCHEMAS: { [K in keyof RpcMethodMap]: z.ZodType<Wire<ResponseValue<K>>> } = {
   'session.list': sessionListValueSchema,
+  'session.search': sessionSearchValueSchema,
   'session.create': sessionCreateValueSchema,
   'session.history': sessionHistoryValueSchema,
   'session.models': sessionModelsValueSchema,
@@ -159,6 +165,7 @@ const UNARY_VALUE_SCHEMAS: { [K in keyof RpcMethodMap]: z.ZodType<Wire<ResponseV
   'workspace.rename': workspaceRenameValueSchema,
   'workspace.delete': workspaceDeleteValueSchema,
   'workspace.insertSessionBefore': workspaceInsertSessionBeforeValueSchema,
+  'workspace.archiveSession': workspaceArchiveSessionValueSchema,
   'command.list': commandListValueSchema,
   'command.execute': commandExecuteValueSchema,
   'skill.list': skillListValueSchema,
@@ -179,9 +186,12 @@ const UNARY_VALUE_SCHEMAS: { [K in keyof RpcMethodMap]: z.ZodType<Wire<ResponseV
   'llm.models': llmModelsValueSchema,
 }
 
-/** Default unary timeout (rpc-compare 2026-07-19: a hung host must not leave callers pending forever). */
+/** Default timeout for bounded unary calls (rpc-compare 2026-07-19: a hung host must not leave callers pending forever). */
 const DEFAULT_TIMEOUT_MS = 30_000
 
+/** Whether a unary call uses the transport health deadline or only caller/connection cancellation. */
+type UnaryTimeoutPolicy = 'default' | 'caller-signal-only'
+
 /** URL base for in-process handler injection (fake authority, opencode precedent). */
 const INTERNAL_BASE = 'http://dsh.internal'
 
@@ -199,7 +209,7 @@ export abstract class AbstractApiClient implements IApiClient {
   private flushScheduled = false
   private readonly envelopeListeners = new Set<(batch: readonly RpcMessage[]) => void>()
 
-  /** @param timeoutMs - unary timeout; streams never time out (long-lived by nature). */
+  /** @param timeoutMs - timeout for bounded unary calls; user-paced calls and streams do not use it. */
   constructor(protected readonly timeoutMs: number = DEFAULT_TIMEOUT_MS) {}
 
   /** Transport aspect: browser fetch, injected handler.fetch, IPC bridge, ... */
@@ -254,15 +264,15 @@ export abstract class AbstractApiClient implements IApiClient {
 
   /**
    * Shared POST leg of both C→S carriers (callUnary/respond): JSON body,
-   * timeout merged with the caller's optional external signal, non-2xx → transport throw.
+   * optional default timeout merged with the caller's external signal, non-2xx → transport throw.
    */
   private async postJson(
     path: string,
     body: ClientRequest | ClientResponse,
     signal: AbortSignal | undefined,
-    useDefaultTimeout = true,
+    timeoutPolicy: UnaryTimeoutPolicy = 'default',
   ): Promise<Response> {
-    const requestSignal = useDefaultTimeout
+    const requestSignal = timeoutPolicy === 'default'
       ? signal === undefined
         ? AbortSignal.timeout(this.timeoutMs)
         : AbortSignal.any([AbortSignal.timeout(this.timeoutMs), signal])
@@ -286,11 +296,11 @@ export abstract class AbstractApiClient implements IApiClient {
     method: K,
     payload: RequestPayload<K>,
     signal?: AbortSignal,
-    useDefaultTimeout = true,
+    timeoutPolicy: UnaryTimeoutPolicy = 'default',
   ): Promise<RpcResponse<ResponseValue<K>>> {
     const message: ClientRequest = { type: 'client-request', rpcId: this.mintRpcId(), method, payload }
     this.onEnvelope(message)
-    const response = await this.postJson(`/api/${method}`, message, signal, useDefaultTimeout)
+    const response = await this.postJson(`/api/${method}`, message, signal, timeoutPolicy)
     const full = serverResponseSchema.parse(await response.json())
     this.onEnvelope(full)
     if (full.rpcId !== message.rpcId) throw new Error(`rpcId mismatch for ${method}: sent ${message.rpcId}, got ${full.rpcId}`)
@@ -363,6 +373,7 @@ export abstract class AbstractApiClient implements IApiClient {
 
   readonly sessions: IApiClient['sessions'] = {
     list: (payload, signal) => this.callUnary('session.list', payload, signal),
+    search: (payload, signal) => this.callUnary('session.search', payload, signal),
     create: (payload, signal) => this.callUnary('session.create', payload, signal),
     history: (payload, signal) => this.callUnary('session.history', payload, signal),
     models: (payload, signal) => this.callUnary('session.models', payload, signal),
@@ -378,7 +389,9 @@ export abstract class AbstractApiClient implements IApiClient {
     describe: (payload, signal) => this.callUnary('host.describe', payload, signal),
     // A native system dialog is user-paced and may legitimately stay open
     // longer than the normal unary deadline. Caller/connection aborts remain.
-    pickDirectory: (payload, signal) => this.callUnary('host.pickDirectory', payload, signal, false),
+    pickDirectory: (payload, signal) => this.callUnary(
+      'host.pickDirectory', payload, signal, 'caller-signal-only',
+    ),
     listDirectory: (payload, signal) => this.callUnary('host.listDirectory', payload, signal),
     createDirectory: (payload, signal) => this.callUnary('host.createDirectory', payload, signal),
     openPath: (payload, signal) => this.callUnary('host.openPath', payload, signal),
@@ -390,11 +403,16 @@ export abstract class AbstractApiClient implements IApiClient {
     rename: (payload, signal) => this.callUnary('workspace.rename', payload, signal),
     delete: (payload, signal) => this.callUnary('workspace.delete', payload, signal),
     insertSessionBefore: (payload, signal) => this.callUnary('workspace.insertSessionBefore', payload, signal),
+    archiveSession: (payload, signal) => this.callUnary('workspace.archiveSession', payload, signal),
   }
 
   readonly commands: IApiClient['commands'] = {
     list: (payload, signal) => this.callUnary('command.list', payload, signal),
-    execute: (payload, signal) => this.callUnary('command.execute', payload, signal),
+    // Command handlers are user-driven operations and may legitimately exceed
+    // the transport health deadline. Caller/connection aborts remain.
+    execute: (payload, signal) => this.callUnary(
+      'command.execute', payload, signal, 'caller-signal-only',
+    ),
   }
 
   readonly skills: IApiClient['skills'] = {
diff --git a/packages/host/apiproxy/src/fetch/handler.ts b/packages/host/apiproxy/src/fetch/handler.ts
index d1cb98deb8..6bc060e969 100644
--- a/packages/host/apiproxy/src/fetch/handler.ts
+++ b/packages/host/apiproxy/src/fetch/handler.ts
@@ -23,6 +23,7 @@ import {
   sessionModelsRequestSchema,
   sessionPromptRequestSchema,
   sessionRenameRequestSchema,
+  sessionSearchRequestSchema,
   sessionSelectModelRequestSchema,
   sessionUpdateQueueRequestSchema,
 } from '../api/sessions.schema.ts'
@@ -32,6 +33,7 @@ import {
   hostPickDirectoryRequestSchema,
 } from '../api/host.schema.ts'
 import {
+  workspaceArchiveSessionRequestSchema,
   workspaceCreateRequestSchema,
   workspaceDeleteRequestSchema,
   workspaceInsertSessionBeforeRequestSchema,
@@ -63,7 +65,8 @@ import { llmModelsRequestSchema, llmProvidersRequestSchema } from '../api/llm.sc
  * Schemas anchor to the Wire<> widening (the repo-wide exactOptionalPropertyTypes accommodation
  * documented on Wire); the dispatch point carries the one Wire→exact cast.
  * Every invoke receives the carrier Request's signal; methods whose contract
- * declares a signal parameter (command.execute) forward it, the rest ignore it.
+ * declares a signal parameter (session.search and command.execute) forward it,
+ * the rest ignore it.
  */
 type UnaryRoutes = {
   [K in keyof RpcMethodMap]: {
@@ -74,6 +77,7 @@ type UnaryRoutes = {
 
 const UNARY_ROUTES: UnaryRoutes = {
   'session.list': { schema: sessionListRequestSchema, invoke: (api, r) => api.sessions.list(r) },
+  'session.search': { schema: sessionSearchRequestSchema, invoke: (api, r, signal) => api.sessions.search(r, signal) },
   'session.create': { schema: sessionCreateRequestSchema, invoke: (api, r) => api.sessions.create(r) },
   'session.history': { schema: sessionHistoryRequestSchema, invoke: (api, r) => api.sessions.history(r) },
   'session.models': { schema: sessionModelsRequestSchema, invoke: (api, r) => api.sessions.models(r) },
@@ -93,6 +97,7 @@ const UNARY_ROUTES: UnaryRoutes = {
   'workspace.rename': { schema: workspaceRenameRequestSchema, invoke: (api, r) => api.workspace.rename(r) },
   'workspace.delete': { schema: workspaceDeleteRequestSchema, invoke: (api, r) => api.workspace.delete(r) },
   'workspace.insertSessionBefore': { schema: workspaceInsertSessionBeforeRequestSchema, invoke: (api, r) => api.workspace.insertSessionBefore(r) },
+  'workspace.archiveSession': { schema: workspaceArchiveSessionRequestSchema, invoke: (api, r) => api.workspace.archiveSession(r) },
   'command.list': { schema: commandListRequestSchema, invoke: (api, r) => api.commands.list(r) },
   'command.execute': { schema: commandExecuteRequestSchema, invoke: (api, r, signal) => api.commands.execute(r, signal) },
   'skill.list': { schema: skillListRequestSchema, invoke: (api, r) => api.skills.list(r) },
diff --git a/packages/host/apiproxy/tests/api-proxy-config.spec.ts b/packages/host/apiproxy/tests/api-proxy-config.spec.ts
index a505f72018..c50ad95806 100644
--- a/packages/host/apiproxy/tests/api-proxy-config.spec.ts
+++ b/packages/host/apiproxy/tests/api-proxy-config.spec.ts
@@ -160,8 +160,8 @@ async function harness(options?: {
   await ctx.plugin(LlmService)
   if (options?.settings !== false) await ctx.plugin(MemorySettings, options?.settings)
   if (options?.credentials !== false) await ctx.plugin(MemoryCredentials, options?.credentials)
-  // The proxy serves only namespaces a configurable provider addresses, which
-  // is what the real LLM plugins declare at load; the tests mirror that.
+  // Model-provider namespaces plus the explicit Web preference and product
+  // onboarding allowlists are the proxy's complete settings surface.
   if (options?.configurableProviders !== false) {
     ctx.llm.registerConfigurableProviders([
       { provider: 'deepseek-official', displayName: 'DeepSeek', settingsNs: 'llm-deepseek', settingsPath: [] },
@@ -222,19 +222,29 @@ describe('settings domain', () => {
     expect(JSON.stringify(value)).not.toContain('user-secret')
   })
 
-  it('serves only namespaces a registered model provider addresses', async () => {
+  it('serves model-provider and explicitly allowlisted Web namespaces only', async () => {
     // The settings seam is general: any plugin may register a namespace for
-    // its own configuration. The Web configuration plane is not — it is the
-    // model-provider surface, and a namespace nothing in the provider
-    // directory addresses must be invisible and unwritable here, so a future
-    // plugin cannot become remotely configurable just by registering.
+    // its own configuration. The Web configuration plane remains opt-in, so a
+    // future internal plugin cannot become remotely configurable just by
+    // registering; permission and the product onboarding namespace are the
+    // non-model namespaces intentionally admitted by this surface.
     const ctx = await harness()
     ctx.settings.register(NS, AdapterConfig)
     ctx.settings.register(settingsNamespace('some-other-plugin'), z.object({ secretPath: z.string() }))
+    ctx.settings.register(settingsNamespace('permission'), z.object({
+      defaultPreset: z.union(['read-only', 'workspace-write']).required(),
+    }), {
+      base: { defaultPreset: 'read-only' },
+    })
     const api = createApiProxy(ctx, DEFAULTS)
 
     const value = expectOk(await api.settings.describe(request({})))
-    expect(value.namespaces.map(view => view.ns)).toEqual(['llm-deepseek'])
+    expect(value.namespaces.map(view => view.ns)).toEqual(['llm-deepseek', 'permission'])
+    const permission = expectOk(await api.settings.mutate(request({
+      ns: 'permission',
+      ops: [{ op: 'set', path: ['defaultPreset'], value: 'workspace-write' }],
+    })))
+    expect(permission.value).toEqual({ defaultPreset: 'workspace-write' })
 
     for (const response of [
       await api.settings.update(request({ ns: 'some-other-plugin', patch: { secretPath: '/etc/shadow' } })),
@@ -248,6 +258,21 @@ describe('settings domain', () => {
     expect(ctx.settings.describe().find(d => String(d.ns) === 'some-other-plugin')?.value).toEqual({})
   })
 
+  it('serves the product onboarding namespace without invalidating the model catalog', async () => {
+    const ctx = await harness()
+    ctx.settings.register(settingsNamespace('ui-onboarding'), z.object({ welcomeNoticeVersion: z.string() }))
+    const api = createApiProxy(ctx, DEFAULTS)
+    expect(expectOk(await api.settings.describe(request({}))).namespaces.map(view => view.ns))
+      .toEqual(['ui-onboarding'])
+    const frames = await collectHost(api, ['host/settings-changed'], 1, async () => {
+      expectOk(await api.settings.mutate(request({
+        ns: 'ui-onboarding',
+        ops: [{ op: 'set', path: ['welcomeNoticeVersion'], value: 'v1' }],
+      })))
+    })
+    expect(frames).toEqual([{ type: 'host/settings-changed', ns: 'ui-onboarding' }])
+  })
+
   it('refuses even a model-provider namespace once its directory entry is gone', async () => {
     const ctx = await harness({ configurableProviders: false })
     ctx.settings.register(NS, AdapterConfig)
@@ -277,6 +302,20 @@ describe('settings domain', () => {
       .toEqual({ apiKeyEnv: 'DEEPSEEK_API_KEY', baseURL: 'https://base' })
   })
 
+  it('broadcasts a permission change without invalidating the model catalog', async () => {
+    const ctx = await harness()
+    const permission = ctx.settings.register(settingsNamespace('permission'), z.object({
+      defaultPreset: z.union(['read-only', 'workspace-write']).required(),
+    }), {
+      base: { defaultPreset: 'read-only' },
+    })
+    const api = createApiProxy(ctx, DEFAULTS)
+    const frames = await collectHost(api, ['host/settings-changed', 'host/models-changed'], 1, async () => {
+      await permission.update({ defaultPreset: 'workspace-write' })
+    })
+    expect(frames).toEqual([{ type: 'host/settings-changed', ns: 'permission' }])
+  })
+
   it('maps a stale expectedRevision to settings-conflict carrying both revisions', async () => {
     const ctx = await harness()
     ctx.settings.register(NS, AdapterConfig)
diff --git a/packages/host/apiproxy/tests/api-proxy-search.spec.ts b/packages/host/apiproxy/tests/api-proxy-search.spec.ts
new file mode 100644
index 0000000000..a1460ab9e5
--- /dev/null
+++ b/packages/host/apiproxy/tests/api-proxy-search.spec.ts
@@ -0,0 +1,880 @@
+/**
+ * Host session.search projection: list-equivalent visibility, fixed message
+ * filters and result bound, cancellation mapping, and unavailable/failure
+ * behavior.
+ */
+
+import { describe, expect, it, vi } from 'vitest'
+import { Context } from 'cordis'
+import { stat } from 'node:fs/promises'
+import AgentRegistry from '@deepseek-ai/dsh-agent'
+import { createUserMessage } from '@deepseek-ai/dsh-llm'
+import SessionStore from '@deepseek-ai/dsh-session'
+import type { SessionHeader, SessionId } from '@deepseek-ai/dsh-session'
+import UserInteractionService from '@deepseek-ai/dsh-user-interaction'
+import {
+  SessionQueryError,
+  type SessionSearchHit,
+  type SessionSearchRequest,
+} from '@deepseek-ai/dsh-session-query'
+import type { RpcRequest } from '@deepseek-ai/dsh-host-apiproxy/api'
+import { RpcId } from '@deepseek-ai/dsh-host-apiproxy/api'
+import { createApiProxy } from '@deepseek-ai/dsh-host-apiproxy'
+
+vi.mock('node:fs/promises', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('node:fs/promises')>()
+  return { ...actual, stat: vi.fn(actual.stat) }
+})
+
+const sid = (value: string): SessionId => value as SessionId
+const defaults = { provider: 'p', model: 'm', cwd: '/tmp', workspaceRoot: '/tmp' }
+
+function request(query: string): RpcRequest<{ query: string }> {
+  return { rpcId: RpcId(`search-${query}`), payload: { query } }
+}
+
+function header(id: string, cwd: string | null = '/project'): SessionHeader {
+  return {
+    version: 0,
+    id: sid(id),
+    createdAt: 100,
+    ...(cwd === null ? {} : { cwd }),
+  }
+}
+
+function hit(id: string, index = 0): SessionSearchHit {
+  const session = header(id)
+  return {
+    header: session,
+    live: true,
+    persisted: false,
+    bestMatch: {
+      sessionId: session.id,
+      seq: index,
+      type: 'user/message',
+      time: 200 + index,
+      surface: 'current',
+      snippet: `match ${index}`,
+    },
+  }
+}
+
+async function baseContext(): Promise<Context> {
+  const ctx = new Context()
+  await ctx.plugin(SessionStore)
+  await ctx.plugin(AgentRegistry)
+  await ctx.plugin(UserInteractionService)
+  return ctx
+}
+
+describe('session.search', () => {
+  it('searches only list-visible ids and current conversation-message events', async () => {
+    const ctx = await baseContext()
+    const live = ctx.sessions.create(sid('live'), { meta: header('live', '/live') })
+    live.append('user/message', createUserMessage({
+      content: [{ type: 'text', text: 'live text' }],
+      source: { kind: 'user' },
+    }), { surfaceOp: 'append' })
+    const cold = header('cold', '/cold')
+    const legacy = header('legacy', null)
+    ctx.provide('sessionPersistence', {
+      list: () => Promise.resolve([cold, legacy]),
+      locate: () => undefined,
+    } as never)
+
+    const searchSessions = vi.fn((
+      _request: SessionSearchRequest,
+      _exec?: { signal?: AbortSignal },
+    ) => Promise.resolve({
+      items: [
+        {
+          header: legacy,
+          live: false,
+          persisted: true,
+          bestMatch: {
+            sessionId: legacy.id,
+            seq: 3,
+            type: 'user/message' as const,
+            time: 190,
+            surface: 'current' as const,
+            snippet: 'must remain hidden',
+          },
+        },
+        {
+          header: cold,
+          live: false,
+          persisted: true,
+          bestMatch: {
+            sessionId: cold.id,
+            seq: 4,
+            type: 'assistant/message' as const,
+            time: 200,
+            surface: 'current' as const,
+            snippet: 'the matching answer',
+          },
+        },
+      ],
+    }))
+    ctx.provide('sessionQuery', { searchSessions } as never)
+    const api = createApiProxy(ctx, defaults)
+    const signal = new AbortController().signal
+
+    const response = await api.sessions.search(request('matching answer'), signal)
+
+    expect(response.result).toEqual({
+      ok: true,
+      value: {
+        items: [{ sessionId: 'cold', snippet: 'the matching answer' }],
+        hasMore: false,
+      },
+    })
+    expect(searchSessions).toHaveBeenCalledOnce()
+    const [query, exec] = searchSessions.mock.calls[0] as unknown as [
+      SessionSearchRequest,
+      { signal: AbortSignal },
+    ]
+    expect(query).toEqual({
+      query: 'matching answer',
+      eventFilters: [
+        {
+          kind: 'type',
+          values: ['user/message', 'assistant/message', 'steering/message'],
+        },
+        { kind: 'surface', values: ['current'] },
+      ],
+      limit: 20,
+    })
+    expect(exec.signal).toBe(signal)
+  })
+
+  it('returns an empty page without invoking the index when no session is visible', async () => {
+    const ctx = await baseContext()
+    const searchSessions = vi.fn()
+    ctx.provide('sessionQuery', { searchSessions } as never)
+    const api = createApiProxy(ctx, defaults)
+
+    const response = await api.sessions.search(
+      request('anything'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toEqual({
+      ok: true,
+      value: { items: [], hasMore: false },
+    })
+    expect(searchSessions).not.toHaveBeenCalled()
+  })
+
+  it('rejects snippets whose provider provenance violates the Host filters', async () => {
+    const ctx = await baseContext()
+    const visible = hit('visible')
+    ctx.sessions.create(visible.header.id, { meta: visible.header })
+    const withBestMatch = (
+      index: number,
+      bestMatch: Partial<SessionSearchHit['bestMatch']>,
+    ): SessionSearchHit => {
+      const base = hit('visible', index)
+      return { ...base, bestMatch: { ...base.bestMatch, ...bestMatch } }
+    }
+    ctx.provide('sessionQuery', {
+      searchSessions: () => Promise.resolve({
+        items: [
+          withBestMatch(0, { sessionId: sid('hidden') }),
+          withBestMatch(1, { surface: 'shadowed' }),
+          withBestMatch(2, { type: 'tool/result' }),
+          withBestMatch(3, { type: 'steering/message', snippet: 'allowed snippet' }),
+        ],
+      }),
+    } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('match'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toEqual({
+      ok: true,
+      value: {
+        items: [{ sessionId: 'visible', snippet: 'allowed snippet' }],
+        hasMore: false,
+      },
+    })
+  })
+
+  it('pages the globally ranked stream until the 20-item Host boundary is known', async () => {
+    const ctx = await baseContext()
+    const items = Array.from({ length: 21 }, (_, index) => hit(`visible-${index}`, index))
+    for (const item of items) {
+      ctx.sessions.create(item.header.id, { meta: item.header })
+    }
+    const searchSessions = vi.fn()
+      .mockResolvedValueOnce({
+        items: [hit('hidden-ranked-first'), ...items.slice(0, 19)],
+        nextCursor: 'page-2',
+      })
+      .mockResolvedValueOnce({ items: items.slice(19) })
+    ctx.provide('sessionQuery', {
+      searchSessions,
+    } as never)
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('match'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toMatchObject({
+      ok: true,
+      value: { hasMore: true },
+    })
+    if (!response.result.ok) throw new Error('unreachable')
+    expect(response.result.value.items).toHaveLength(20)
+    expect(response.result.value.items.at(-1)?.sessionId).toBe('visible-19')
+    expect(searchSessions).toHaveBeenCalledTimes(2)
+    expect(searchSessions.mock.calls[1]?.[0]).toMatchObject({ cursor: 'page-2' })
+  })
+
+  it('learns a provider maxLimit of 10 and collects the 20-item result plus lookahead', async () => {
+    const ctx = await baseContext()
+    const items = Array.from({ length: 21 }, (_, index) => hit(`visible-${index}`, index))
+    for (const item of items) {
+      ctx.sessions.create(item.header.id, { meta: item.header })
+    }
+    const invalidLimit = new SessionQueryError(
+      'provider accepts at most 10 items',
+      'SESSION_QUERY_INVALID_LIMIT',
+    )
+    const searchSessions = vi.fn((providerRequest: SessionSearchRequest) => {
+      const limit = providerRequest.limit
+      if (limit === undefined) throw new Error('Host search must request an explicit provider limit')
+      if (limit > 10) return Promise.reject(invalidLimit)
+      const offset = providerRequest.cursor === undefined
+        ? 0
+        : Number.parseInt(providerRequest.cursor.slice('offset-'.length), 10)
+      const end = Math.min(items.length, offset + limit)
+      return Promise.resolve({
+        items: items.slice(offset, end),
+        ...end < items.length ? { nextCursor: `offset-${end}` } : {},
+      })
+    })
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('adaptive-page-limit'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toMatchObject({
+      ok: true,
+      value: { hasMore: true },
+    })
+    if (!response.result.ok) throw new Error('unreachable')
+    expect(response.result.value.items.map(item => item.sessionId))
+      .toEqual(items.slice(0, 20).map(item => item.header.id))
+    expect(searchSessions.mock.calls.map(([providerRequest]) => ({
+      limit: providerRequest.limit,
+      cursor: providerRequest.cursor,
+    }))).toEqual([
+      { limit: 20, cursor: undefined },
+      { limit: 10, cursor: undefined },
+      { limit: 10, cursor: 'offset-10' },
+      { limit: 10, cursor: 'offset-20' },
+    ])
+  })
+
+  it('counts a page-limit probe inside the 100-call budget', async () => {
+    const ctx = await baseContext()
+    ctx.sessions.create(sid('visible'), { meta: header('visible') })
+    const invalidLimit = new SessionQueryError(
+      'provider accepts at most 10 items',
+      'SESSION_QUERY_INVALID_LIMIT',
+    )
+    const searchSessions = vi.fn((providerRequest: SessionSearchRequest) => {
+      if (searchSessions.mock.calls.length === 1) {
+        expect(providerRequest).toMatchObject({ limit: 20 })
+        return Promise.reject(invalidLimit)
+      }
+      expect(providerRequest.limit).toBe(10)
+      return Promise.resolve({
+        items: [],
+        nextCursor: `page-${searchSessions.mock.calls.length}`,
+      })
+    })
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('endless-pages'),
+      new AbortController().signal,
+    )
+
+    expect(response.result.ok).toBe(false)
+    if (response.result.ok) throw new Error('unreachable')
+    expect(response.result.error).toMatchObject({ code: 'internal' })
+    expect(response.result.error.message).toContain('100-call work budget')
+    expect(searchSessions).toHaveBeenCalledTimes(100)
+  })
+
+  it('restarts a stale continuation with its learned limit and original visibility snapshot', async () => {
+    const ctx = await baseContext()
+    const oldOnly = hit('old-only', 0)
+    const shared = hit('shared', 1)
+    const freshFirst = hit('fresh-first', 2)
+    const freshLast = hit('fresh-last', 3)
+    for (const item of [oldOnly, shared, freshFirst, freshLast]) {
+      ctx.sessions.create(item.header.id, { meta: item.header })
+    }
+    const late = hit('late-visible', 4)
+    const stale = new SessionQueryError(
+      'provider generation changed',
+      'SESSION_QUERY_STALE_CURSOR',
+    )
+    const invalidLimit = new SessionQueryError(
+      'provider accepts at most 10 items',
+      'SESSION_QUERY_INVALID_LIMIT',
+    )
+    const searchSessions = vi.fn((providerRequest: SessionSearchRequest) => {
+      switch (searchSessions.mock.calls.length) {
+        case 1:
+          expect(providerRequest).toMatchObject({ limit: 20 })
+          expect(providerRequest).not.toHaveProperty('cursor')
+          return Promise.reject(invalidLimit)
+        case 2:
+          expect(providerRequest).toMatchObject({ limit: 10 })
+          expect(providerRequest).not.toHaveProperty('cursor')
+          return Promise.resolve({
+            items: [oldOnly, shared],
+            nextCursor: 'old-cursor',
+          })
+        case 3:
+          expect(providerRequest).toMatchObject({ limit: 10 })
+          expect(providerRequest.cursor).toBe('old-cursor')
+          ctx.sessions.create(late.header.id, { meta: late.header })
+          return Promise.reject(stale)
+        case 4:
+          expect(providerRequest).toMatchObject({ limit: 10 })
+          expect(providerRequest).not.toHaveProperty('cursor')
+          return Promise.resolve({
+            items: [freshFirst, shared],
+            nextCursor: 'old-cursor',
+          })
+        case 5:
+          expect(providerRequest).toMatchObject({ limit: 10 })
+          expect(providerRequest.cursor).toBe('old-cursor')
+          return Promise.resolve({ items: [freshLast, late] })
+        default:
+          return Promise.reject(new Error('unexpected provider call'))
+      }
+    })
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('stale-restart'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toEqual({
+      ok: true,
+      value: {
+        items: [
+          { sessionId: 'fresh-first', snippet: 'match 2' },
+          { sessionId: 'shared', snippet: 'match 1' },
+          { sessionId: 'fresh-last', snippet: 'match 3' },
+        ],
+        hasMore: false,
+      },
+    })
+    expect(searchSessions).toHaveBeenCalledTimes(5)
+  })
+
+  it('counts continuous stale restarts against the 100-call budget', async () => {
+    const ctx = await baseContext()
+    const partial = hit('partial')
+    ctx.sessions.create(partial.header.id, { meta: partial.header })
+    const stale = new SessionQueryError(
+      'provider generation changed',
+      'SESSION_QUERY_STALE_CURSOR',
+    )
+    const searchSessions = vi.fn((providerRequest: SessionSearchRequest) => {
+      if (searchSessions.mock.calls.length > 100) {
+        return Promise.reject(new Error('provider was called after the shared budget'))
+      }
+      if (providerRequest.cursor !== undefined) return Promise.reject(stale)
+      return Promise.resolve({
+        items: [partial],
+        nextCursor: `cursor-${searchSessions.mock.calls.length}`,
+      })
+    })
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('stale-churn'),
+      new AbortController().signal,
+    )
+
+    expect(response.result.ok).toBe(false)
+    if (response.result.ok) throw new Error('unreachable')
+    expect(response.result.error.code).toBe('internal')
+    expect(response.result.error.message).toContain('100-call work budget')
+    expect(response.result).not.toHaveProperty('value')
+    expect(searchSessions).toHaveBeenCalledTimes(100)
+  })
+
+  it('gives abort priority over a coincident stale continuation failure', async () => {
+    const ctx = await baseContext()
+    ctx.sessions.create(sid('visible'), { meta: header('visible') })
+    const controller = new AbortController()
+    const stale = new SessionQueryError(
+      'provider generation changed',
+      'SESSION_QUERY_STALE_CURSOR',
+    )
+    const searchSessions = vi.fn()
+      .mockResolvedValueOnce({ items: [], nextCursor: 'stale-cursor' })
+      .mockImplementationOnce(() => {
+        controller.abort()
+        return Promise.reject(stale)
+      })
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('abort-stale'),
+      controller.signal,
+    )
+
+    expect(response.result).toMatchObject({
+      ok: false,
+      error: { code: 'cancelled' },
+    })
+    expect(searchSessions).toHaveBeenCalledTimes(2)
+  })
+
+  it('does not retry a stale first-page failure', async () => {
+    const ctx = await baseContext()
+    ctx.sessions.create(sid('visible'), { meta: header('visible') })
+    const searchSessions = vi.fn(() => Promise.reject(new SessionQueryError(
+      'provider generation changed before paging',
+      'SESSION_QUERY_STALE_CURSOR',
+    )))
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('first-page-stale'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toMatchObject({
+      ok: false,
+      error: { code: 'internal' },
+    })
+    expect(response.result).not.toHaveProperty('value')
+    expect(searchSessions).toHaveBeenCalledOnce()
+  })
+
+  it('does not adapt an invalid-limit continuation failure', async () => {
+    const ctx = await baseContext()
+    ctx.sessions.create(sid('visible'), { meta: header('visible') })
+    const searchSessions = vi.fn()
+      .mockResolvedValueOnce({ items: [], nextCursor: 'page-2' })
+      .mockRejectedValueOnce(new SessionQueryError(
+        'continuation limit is invalid',
+        'SESSION_QUERY_INVALID_LIMIT',
+      ))
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('continuation-invalid-limit'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toMatchObject({
+      ok: false,
+      error: { code: 'internal' },
+    })
+    expect(searchSessions).toHaveBeenCalledTimes(2)
+    expect(searchSessions.mock.calls.map(([providerRequest]) => (
+      providerRequest as SessionSearchRequest
+    ).limit))
+      .toEqual([20, 20])
+  })
+
+  it('stops page-limit adaptation at one item', async () => {
+    const ctx = await baseContext()
+    ctx.sessions.create(sid('visible'), { meta: header('visible') })
+    const searchSessions = vi.fn((providerRequest: SessionSearchRequest) => Promise.reject(
+      new SessionQueryError(
+        `provider rejects ${providerRequest.limit}`,
+        'SESSION_QUERY_INVALID_LIMIT',
+      ),
+    ))
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('minimum-page-limit'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toMatchObject({
+      ok: false,
+      error: { code: 'internal' },
+    })
+    expect(searchSessions.mock.calls.map(([providerRequest]) => providerRequest.limit))
+      .toEqual([20, 10, 5, 2, 1])
+  })
+
+  it('gives abort priority over a coincident invalid first-page limit', async () => {
+    const ctx = await baseContext()
+    ctx.sessions.create(sid('visible'), { meta: header('visible') })
+    const controller = new AbortController()
+    const searchSessions = vi.fn(() => {
+      controller.abort()
+      return Promise.reject(new SessionQueryError(
+        'provider rejects 20',
+        'SESSION_QUERY_INVALID_LIMIT',
+      ))
+    })
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('abort-invalid-limit'),
+      controller.signal,
+    )
+
+    expect(response.result).toMatchObject({
+      ok: false,
+      error: { code: 'cancelled' },
+    })
+    expect(searchSessions).toHaveBeenCalledOnce()
+  })
+
+  it('rejects an oversized provider page', async () => {
+    const ctx = await baseContext()
+    ctx.sessions.create(sid('visible'), { meta: header('visible') })
+    const oversized = Array.from({ length: 21 }, (_, index) => hit(`oversized-${index}`))
+    const searchSessions = vi.fn(() => Promise.resolve({ items: oversized }))
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('oversized-page'),
+      new AbortController().signal,
+    )
+
+    expect(response.result.ok).toBe(false)
+    if (response.result.ok) throw new Error('unreachable')
+    expect(response.result.error).toMatchObject({ code: 'internal' })
+    expect(response.result.error.message).toContain('returned 21 items; maximum is 20')
+  })
+
+  it('uses the learned provider limit for the overproduction guard', async () => {
+    const ctx = await baseContext()
+    ctx.sessions.create(sid('visible'), { meta: header('visible') })
+    const oversized = Array.from({ length: 11 }, (_, index) => hit(`oversized-${index}`))
+    const searchSessions = vi.fn((providerRequest: SessionSearchRequest) => {
+      if (providerRequest.limit === 20) {
+        return Promise.reject(new SessionQueryError(
+          'provider accepts at most 10 items',
+          'SESSION_QUERY_INVALID_LIMIT',
+        ))
+      }
+      return Promise.resolve({ items: oversized })
+    })
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('adapted-oversized-page'),
+      new AbortController().signal,
+    )
+
+    expect(response.result.ok).toBe(false)
+    if (response.result.ok) throw new Error('unreachable')
+    expect(response.result.error).toMatchObject({ code: 'internal' })
+    expect(response.result.error.message).toContain('returned 11 items; maximum is 10')
+    expect(searchSessions).toHaveBeenCalledTimes(2)
+  })
+
+  it('bounds provider snippets to 240 Unicode code points without splitting astral text', async () => {
+    const ctx = await baseContext()
+    const visible = hit('visible')
+    ctx.sessions.create(visible.header.id, { meta: visible.header })
+    const expected = `${'x'.repeat(239)}😀`
+    const overlong = {
+      ...visible,
+      bestMatch: {
+        ...visible.bestMatch,
+        snippet: `${expected}${'y'.repeat(10_000)}`,
+      },
+    }
+    ctx.provide('sessionQuery', {
+      searchSessions: () => Promise.resolve({ items: [overlong] }),
+    } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('bounded-snippet'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toEqual({
+      ok: true,
+      value: {
+        items: [{ sessionId: 'visible', snippet: expected }],
+        hasMore: false,
+      },
+    })
+  })
+
+  it('fails closed when the provider repeats a continuation cursor', async () => {
+    const ctx = await baseContext()
+    ctx.sessions.create(sid('visible'), { meta: header('visible') })
+    const searchSessions = vi.fn()
+      .mockResolvedValueOnce({ items: [], nextCursor: 'repeated' })
+      .mockResolvedValueOnce({ items: [], nextCursor: 'repeated' })
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('repeated-cursor'),
+      new AbortController().signal,
+    )
+
+    expect(response.result.ok).toBe(false)
+    if (response.result.ok) throw new Error('unreachable')
+    expect(response.result.error).toMatchObject({ code: 'internal' })
+    expect(response.result.error.message).toContain('repeated a continuation cursor')
+    expect(searchSessions).toHaveBeenCalledTimes(2)
+  })
+
+  it('validates a repeated cursor before accepting the authorized lookahead', async () => {
+    const ctx = await baseContext()
+    const items = Array.from({ length: 21 }, (_, index) => hit(`visible-${index}`, index))
+    for (const item of items) {
+      ctx.sessions.create(item.header.id, { meta: item.header })
+    }
+    const searchSessions = vi.fn()
+      .mockResolvedValueOnce({ items: items.slice(0, 20), nextCursor: 'repeated' })
+      .mockResolvedValueOnce({ items: items.slice(20), nextCursor: 'repeated' })
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('repeated-lookahead-cursor'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toMatchObject({
+      ok: false,
+      error: { code: 'internal' },
+    })
+    expect(response.result).not.toHaveProperty('value')
+    if (response.result.ok) throw new Error('unreachable')
+    expect(response.result.error.message).toContain('repeated a continuation cursor')
+    expect(searchSessions).toHaveBeenCalledTimes(2)
+  })
+
+  it('does not count duplicate session ids toward the result or lookahead boundary', async () => {
+    const ctx = await baseContext()
+    const items = Array.from({ length: 21 }, (_, index) => hit(`visible-${index}`, index))
+    for (const item of items) {
+      ctx.sessions.create(item.header.id, { meta: item.header })
+    }
+    const searchSessions = vi.fn()
+      .mockResolvedValueOnce({ items: items.slice(0, 20), nextCursor: 'page-2' })
+      .mockResolvedValueOnce({ items: items.slice(0, 20), nextCursor: 'page-3' })
+      .mockResolvedValueOnce({ items: items.slice(20) })
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('duplicate-pages'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toMatchObject({
+      ok: true,
+      value: { hasMore: true },
+    })
+    if (!response.result.ok) throw new Error('unreachable')
+    expect(response.result.value.items.map(item => item.sessionId)).toEqual(
+      items.slice(0, 20).map(item => item.header.id),
+    )
+    expect(searchSessions).toHaveBeenCalledTimes(3)
+  })
+
+  it('cancels on a continuation page and passes the carrier signal to both calls', async () => {
+    const ctx = await baseContext()
+    ctx.sessions.create(sid('visible'), { meta: header('visible') })
+    const controller = new AbortController()
+    const searchSessions = vi.fn()
+      .mockResolvedValueOnce({ items: [], nextCursor: 'page-2' })
+      .mockImplementationOnce(() => {
+        controller.abort()
+        return Promise.resolve({ items: [] })
+      })
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('cancel-continuation'),
+      controller.signal,
+    )
+
+    expect(response.result).toMatchObject({
+      ok: false,
+      error: { code: 'cancelled' },
+    })
+    expect(searchSessions).toHaveBeenCalledTimes(2)
+    for (const call of searchSessions.mock.calls) {
+      expect(call[1]).toEqual({ signal: controller.signal })
+    }
+  })
+
+  it('keeps visibility sets above SQLite variable limits out of provider bindings', async () => {
+    const ctx = await baseContext()
+    const cold = Array.from(
+      { length: 32_751 },
+      (_, index) => header(`cold-${index}`, `/cold-${index}`),
+    )
+    ctx.provide('sessionPersistence', {
+      list: () => Promise.resolve(cold),
+      locate: () => undefined,
+    } as never)
+    const searchSessions = vi.fn((_request: SessionSearchRequest) => Promise.resolve({
+      items: [hit('cold-32750')],
+    }))
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('large corpus'),
+      new AbortController().signal,
+    )
+
+    expect(response.result).toEqual({
+      ok: true,
+      value: {
+        items: [{ sessionId: 'cold-32750', snippet: 'match 0' }],
+        hasMore: false,
+      },
+    })
+    expect(searchSessions).toHaveBeenCalledOnce()
+    expect(searchSessions.mock.calls[0]?.[0]).not.toHaveProperty('sessionFilters')
+  })
+
+  it('propagates cancellation through visible-session collection and stops cold-summary work', async () => {
+    const ctx = await baseContext()
+    const controller = new AbortController()
+    const cold = Array.from({ length: 32 }, (_, index) => header(`cold-${index}`, `/cold-${index}`))
+    const list = vi.fn((signal?: AbortSignal) => {
+      expect(signal).toBe(controller.signal)
+      return Promise.resolve(cold)
+    })
+    let locateCalls = 0
+    ctx.provide('sessionPersistence', {
+      list,
+      locate: () => {
+        locateCalls++
+        controller.abort()
+        return undefined
+      },
+    } as never)
+    const searchSessions = vi.fn()
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    const response = await createApiProxy(ctx, defaults).sessions.search(
+      request('cancel-during-visibility'),
+      controller.signal,
+    )
+
+    expect(response.result).toMatchObject({
+      ok: false,
+      error: { code: 'cancelled' },
+    })
+    expect(list).toHaveBeenCalledOnce()
+    expect(locateCalls).toBe(1)
+    expect(searchSessions).not.toHaveBeenCalled()
+  })
+
+  it('awaits every started cold-summary stat before returning cancellation', async () => {
+    const ctx = await baseContext()
+    const controller = new AbortController()
+    const cold = Array.from({ length: 16 }, (_, index) => header(`cold-${index}`, `/cold-${index}`))
+    const statGates = cold.map(() => Promise.withResolvers<{ mtimeMs: number }>())
+    const statMock = vi.mocked(stat)
+    statMock.mockClear()
+    for (const gate of statGates) {
+      statMock.mockImplementationOnce((() => gate.promise) as never)
+    }
+    ctx.provide('sessionPersistence', {
+      list: () => Promise.resolve(cold),
+      locate: (meta: SessionHeader) => ({ kind: 'jsonl', path: `/logs/${meta.id}.jsonl` }),
+    } as never)
+    const searchSessions = vi.fn()
+    ctx.provide('sessionQuery', { searchSessions } as never)
+
+    let settled = false
+    const responsePromise = createApiProxy(ctx, defaults).sessions.search(
+      request('cancel-during-cold-stats'),
+      controller.signal,
+    ).finally(() => {
+      settled = true
+    })
+    await vi.waitFor(() => {
+      expect(statMock).toHaveBeenCalledTimes(16)
+    })
+
+    controller.abort()
+    statGates[0]!.resolve({ mtimeMs: 101 })
+    await new Promise<void>(resolve => setImmediate(resolve))
+    expect(settled).toBe(false)
+
+    for (const gate of statGates.slice(1)) gate.resolve({ mtimeMs: 102 })
+    const response = await responsePromise
+    expect(response.result).toMatchObject({
+      ok: false,
+      error: { code: 'cancelled' },
+    })
+    expect(searchSessions).not.toHaveBeenCalled()
+  })
+
+  it('maps missing composition, query cancellation, and provider failure', async () => {
+    const missingCtx = await baseContext()
+    missingCtx.sessions.create(sid('visible'), { meta: header('visible') })
+    const missingApi = createApiProxy(missingCtx, defaults)
+    const preAborted = new AbortController()
+    preAborted.abort()
+    const cancelledBeforeLookup = await missingApi.sessions.search(
+      request('cancel-before-lookup'),
+      preAborted.signal,
+    )
+    expect(cancelledBeforeLookup.result).toMatchObject({
+      ok: false,
+      error: { code: 'cancelled' },
+    })
+
+    const missing = await missingApi.sessions.search(
+      request('needle'),
+      new AbortController().signal,
+    )
+    expect(missing.result.ok).toBe(false)
+    if (missing.result.ok) throw new Error('unreachable')
+    expect(missing.result.error.code).toBe('internal')
+    expect(missing.result.error.message).toContain('does not mount')
+
+    const ctx = await baseContext()
+    ctx.sessions.create(sid('visible'), { meta: header('visible') })
+    const aborted = new SessionQueryError('provider stopped', 'SESSION_QUERY_ABORTED')
+    const searchSessions = vi.fn()
+      .mockRejectedValueOnce(aborted)
+      .mockRejectedValueOnce(new Error('database unavailable'))
+    ctx.provide('sessionQuery', { searchSessions } as never)
+    const api = createApiProxy(ctx, defaults)
+
+    const cancelled = await api.sessions.search(
+      request('first'),
+      new AbortController().signal,
+    )
+    expect(cancelled.result).toMatchObject({
+      ok: false,
+      error: { code: 'cancelled' },
+    })
+
+    const failed = await api.sessions.search(
+      request('second'),
+      new AbortController().signal,
+    )
+    expect(failed.result.ok).toBe(false)
+    if (failed.result.ok) throw new Error('unreachable')
+    expect(failed.result.error.code).toBe('internal')
+    expect(failed.result.error.message).toContain('database unavailable')
+  })
+})
diff --git a/packages/host/apiproxy/tests/api-proxy-workspace.spec.ts b/packages/host/apiproxy/tests/api-proxy-workspace.spec.ts
index 6610e71d8b..664981c161 100644
--- a/packages/host/apiproxy/tests/api-proxy-workspace.spec.ts
+++ b/packages/host/apiproxy/tests/api-proxy-workspace.spec.ts
@@ -46,11 +46,14 @@ function stubAgent(session: Session): Agent {
     session,
     inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
     status: 'idle',
+    acceptsNextStep: false,
     ctx: new Context(),
     send: () => {},
     followup: () => {},
     steer: () => {},
     inject: () => {},
+    updateInbox: () => 'not-found',
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle: () => Promise.resolve(),
   }
@@ -291,18 +294,25 @@ describe('workspace.create', () => {
     }
   })
 
-  it('rejects different paths that derive the same Workspace title', async () => {
+  it('adopts different paths that derive the same Workspace title', async () => {
     const { api, workspaceRoot } = await harness()
     const first = join(workspaceRoot, 'one', 'project')
     const second = join(workspaceRoot, 'two', 'project')
     mkdirSync(first, { recursive: true })
     mkdirSync(second, { recursive: true })
-    expectOk(await api.workspace.create(request({ path: first })))
-    const conflict = await api.workspace.create(request({ path: second }))
-    expect(conflict.result).toMatchObject({
-      ok: false,
-      error: { code: 'workspace-name-conflict', details: { name: 'project' } },
+    const firstResult = expectOk(await api.workspace.create(request({ path: first })))
+    const secondResult = expectOk(await api.workspace.create(request({ path: second })))
+    expect(firstResult).toMatchObject({
+      created: true,
+      workspace: { path: first, title: 'project' },
     })
+    expect(secondResult).toMatchObject({
+      created: true,
+      workspace: { path: second, title: 'project' },
+    })
+    expect(secondResult.workspace.workspaceId).not.toBe(firstResult.workspace.workspaceId)
+    expect(expectOk(await api.workspace.list(request({}))).items.map(workspace => workspace.path))
+      .toEqual([second, first])
   })
 })
 
@@ -440,4 +450,44 @@ describe('Host Workspace increments', () => {
     expect(expectOk(await api.sessions.list(request({}))).items.map(item => item.sessionId)).toContain(sessionId)
     abort.abort()
   })
+
+  it('archives a session into the global set, keeps its accounting, and streams the set once', async () => {
+    const { api } = await harness()
+    const workspace = expectOk(await api.workspace.create(request({ name: 'archive-home' }))).workspace
+    const sessionId = SessionId('session-to-archive')
+    expectOk(await api.sessions.create(request({ workspaceId: workspace.workspaceId, sessionId })))
+    expect(expectOk(await api.workspace.list(request({}))).archivedSessionIds).toEqual([])
+
+    const abort = new AbortController()
+    const stream: AsyncIterator<RpcRequest<HostFrame>> =
+      api.events.host(request({}), abort.signal)[Symbol.asyncIterator]()
+    const changed = nextHostFrame(stream)
+    expect(expectOk(await api.workspace.archiveSession(request({ sessionId }))).archivedSessionIds)
+      .toEqual([sessionId])
+    expect(await changed).toMatchObject({
+      payload: { type: 'host/archived-sessions-changed', archivedSessionIds: [sessionId] },
+    })
+
+    // Accounting and the session itself are untouched; list re-baselines the set.
+    const listed = expectOk(await api.workspace.list(request({})))
+    expect(listed.archivedSessionIds).toEqual([sessionId])
+    expect(listed.items[0]?.sessionIds).toEqual([sessionId])
+    expect(expectOk(await api.sessions.list(request({}))).items.map(item => item.sessionId)).toContain(sessionId)
+
+    // The idempotent repeat emits no second frame: the next observed frame is
+    // the workspace-changed of a later attach, not another archive snapshot.
+    const after = nextHostFrame(stream)
+    expect(expectOk(await api.workspace.archiveSession(request({ sessionId }))).archivedSessionIds)
+      .toEqual([sessionId])
+    const otherSession = SessionId('session-after-archive')
+    expectOk(await api.sessions.create(request({ workspaceId: workspace.workspaceId, sessionId: otherSession })))
+    expect((await after).payload.type).not.toBe('host/archived-sessions-changed')
+
+    const missing = await api.workspace.archiveSession(request({ sessionId: SessionId('session-ghost') }))
+    expect(missing.result).toMatchObject({
+      ok: false,
+      error: { code: 'session-not-found', details: { sessionId: 'session-ghost' } },
+    })
+    abort.abort()
+  })
 })
diff --git a/packages/host/apiproxy/tests/client-handler.spec.ts b/packages/host/apiproxy/tests/client-handler.spec.ts
index 2b8eee27e8..6307dfe8f9 100644
--- a/packages/host/apiproxy/tests/client-handler.spec.ts
+++ b/packages/host/apiproxy/tests/client-handler.spec.ts
@@ -35,6 +35,7 @@ function scriptedApi(overrides: {
   return {
     sessions: {
       list: r => ok(r, { items: [] }),
+      search: r => ok(r, { items: [], hasMore: false }),
       create: r => ok(r, { sessionId: sid('s-new') }),
       history: r => ok(r, {
         events: [],
@@ -65,11 +66,12 @@ function scriptedApi(overrides: {
       ...overrides.host,
     },
     workspace: {
-      list: r => ok(r, { items: [] }),
+      list: r => ok(r, { items: [], archivedSessionIds: [] }),
       create: r => ok(r, { workspace: { workspaceId: 'w1' as never, path: '/t', title: 't', sessionIds: [], createdAt: '0', updatedAt: '0' }, created: true }),
       rename: r => ok(r, { workspace: { workspaceId: 'w1' as never, path: '/t', title: 't', sessionIds: [], createdAt: '0', updatedAt: '0' } }),
       delete: r => ok(r, { deleted: true as const }),
       insertSessionBefore: r => ok(r, { workspace: { workspaceId: 'w1' as never, path: '/t', title: 't', sessionIds: [], createdAt: '0', updatedAt: '0' } }),
+      archiveSession: r => ok(r, { archivedSessionIds: [r.payload.sessionId] }),
     },
     commands: {
       list: r => ok(r, { commands: [] }),
@@ -141,6 +143,44 @@ describe('unary round trip', () => {
     expect(response.result).toEqual({ ok: true, value: { items: [{ sessionId: 's1', updatedAt: 7, running: false, blank: false }] } })
   })
 
+  it('round-trips a trimmed session search query and its bounded result metadata', async () => {
+    let seen: RpcRequest<{ query: string }> | undefined
+    const api = scriptedApi({
+      sessions: {
+        search: (request) => {
+          seen = request
+          return ok(request, {
+            items: [{ sessionId: sid('s1'), snippet: 'matching message text' }],
+            hasMore: true,
+          })
+        },
+      },
+    })
+    const response = await client(api).sessions.search({ query: '  message text  ' })
+    expect(seen?.payload).toEqual({ query: 'message text' })
+    expect(response.result).toEqual({
+      ok: true,
+      value: {
+        items: [{ sessionId: 's1', snippet: 'matching message text' }],
+        hasMore: true,
+      },
+    })
+  })
+
+  it('rejects an overlong session-search snippet at the client value boundary', async () => {
+    const api = scriptedApi({
+      sessions: {
+        search: request => ok(request, {
+          items: [{ sessionId: sid('s1'), snippet: '😀'.repeat(241) }],
+          hasMore: false,
+        }),
+      },
+    })
+
+    await expect(client(api).sessions.search({ query: 'message' }))
+      .rejects.toThrow(/240 Unicode code points/)
+  })
+
   it('routes session fork with its optional cut anchor through the wire', async () => {
     let seen: RpcRequest<{ sessionId: SessionId; atSeq?: number }> | undefined
     const api = scriptedApi({
@@ -321,10 +361,12 @@ describe('workspace domain round trip', () => {
   it('routes both workspace methods through their handler rows and value schemas', async () => {
     const c = client(scriptedApi())
     const list = await c.workspace.list({})
-    expect(list.result).toEqual({ ok: true, value: { items: [] } })
+    expect(list.result).toEqual({ ok: true, value: { items: [], archivedSessionIds: [] } })
     const created = await c.workspace.create({ path: '/t' })
     expect(created.result.ok).toBe(true)
     if (created.result.ok) expect(created.result.value.created).toBe(true)
+    const archivedResponse = await c.workspace.archiveSession({ sessionId: 's-arch' as never })
+    expect(archivedResponse.result).toEqual({ ok: true, value: { archivedSessionIds: ['s-arch'] } })
   })
 
   it('rejects a create payload violating the exactly-one refine at the handler', async () => {
diff --git a/packages/host/apiproxy/tests/fetch-carrier.spec.ts b/packages/host/apiproxy/tests/fetch-carrier.spec.ts
index c701f3f912..ef111afe12 100644
--- a/packages/host/apiproxy/tests/fetch-carrier.spec.ts
+++ b/packages/host/apiproxy/tests/fetch-carrier.spec.ts
@@ -22,6 +22,26 @@ function fakeApi(overrides: Partial<{ muxFrames: MuxFrame[]; hostFrames: HostFra
         if (overrides.crashOn === 'session.list') throw new Error('impl crashed')
         return { rpcId: request.rpcId, result: { ok: true, value: { items: [] } } }
       },
+      async search(request, signal) {
+        if (request.payload.query === 'hang') {
+          if (!signal.aborted) {
+            await new Promise<void>((resolve) => {
+              signal.addEventListener('abort', () => { resolve() }, { once: true })
+            })
+          }
+          return {
+            rpcId: request.rpcId,
+            result: { ok: false, error: { code: 'cancelled', message: 'aborted', details: {} } },
+          }
+        }
+        return {
+          rpcId: request.rpcId,
+          result: {
+            ok: true,
+            value: { items: [{ sessionId: 's1' as never, snippet: 'fixture match' }], hasMore: false },
+          },
+        }
+      },
       async create(request) {
         return { rpcId: request.rpcId, result: { ok: true, value: { sessionId: 's-new' as never } } }
       },
@@ -102,7 +122,7 @@ function fakeApi(overrides: Partial<{ muxFrames: MuxFrame[]; hostFrames: HostFra
     },
     workspace: {
       async list(request) {
-        return { rpcId: request.rpcId, result: { ok: true, value: { items: [] } } }
+        return { rpcId: request.rpcId, result: { ok: true, value: { items: [], archivedSessionIds: [] } } }
       },
       async create(request) {
         return {
@@ -125,6 +145,9 @@ function fakeApi(overrides: Partial<{ muxFrames: MuxFrame[]; hostFrames: HostFra
           result: { ok: true, value: { workspace: { workspaceId: 'w1' as never, path: '/w', title: 'w', sessionIds: [], createdAt: 't', updatedAt: 't' } } },
         }
       },
+      async archiveSession(request) {
+        return { rpcId: request.rpcId, result: { ok: true, value: { archivedSessionIds: [request.payload.sessionId] } } }
+      },
     },
     commands: {
       async list(request) {
@@ -248,6 +271,10 @@ describe('unary round trip (handler ⇄ client, no network)', () => {
 
   it('covers create/prompt/updateQueue/cancel/describe passthrough', async () => {
     const c = client()
+    expect((await c.sessions.search({ query: 'fixture' })).result).toEqual({
+      ok: true,
+      value: { items: [{ sessionId: 's1', snippet: 'fixture match' }], hasMore: false },
+    })
     expect((await c.sessions.create({})).result.ok).toBe(true)
     expect((await c.sessions.models({ sessionId: 's' as never })).result.ok).toBe(true)
     const selected = await c.sessions.selectModel({
@@ -325,6 +352,68 @@ describe('unary round trip (handler ⇄ client, no network)', () => {
     expect(skills.result).toEqual({ ok: true, value: { skills: [{ name: 'commit-helper', description: 'Git commits' }] } })
   })
 
+  it('lets command.execute finish after the 30-second default unary deadline', async () => {
+    vi.useFakeTimers()
+    const timeoutSpy = vi.spyOn(AbortSignal, 'timeout').mockImplementation((milliseconds) => {
+      const controller = new AbortController()
+      setTimeout(() => {
+        controller.abort(new DOMException('The operation was aborted due to timeout', 'TimeoutError'))
+      }, milliseconds)
+      return controller.signal
+    })
+    try {
+      const api = fakeApi()
+      api.commands.execute = async (request) => {
+        await new Promise(resolve => setTimeout(resolve, 30_001))
+        return {
+          rpcId: request.rpcId,
+          result: { ok: true, value: { matched: true, commandId: CommandId('cmd-slow') } },
+        }
+      }
+      const execution = client(api).commands.execute({ sessionId: 's' as never, line: '/slow' })
+      const assertion = expect(execution).resolves.toMatchObject({
+        result: { ok: true, value: { matched: true, commandId: 'cmd-slow' } },
+      })
+
+      await Promise.all([
+        vi.advanceTimersByTimeAsync(30_001),
+        assertion,
+      ])
+      expect(timeoutSpy).not.toHaveBeenCalled()
+    } finally {
+      timeoutSpy.mockRestore()
+      vi.useRealTimers()
+    }
+  })
+
+  it('keeps caller and connection aborts on command.execute', async () => {
+    const api = fakeApi()
+    const started = Promise.withResolvers<AbortSignal>()
+    api.commands.execute = async (request, signal) => {
+      started.resolve(signal)
+      if (!signal.aborted) {
+        await new Promise<void>((resolve) => {
+          signal.addEventListener('abort', () => { resolve() }, { once: true })
+        })
+      }
+      return {
+        rpcId: request.rpcId,
+        result: { ok: false, error: { code: 'cancelled', message: 'aborted', details: {} } },
+      }
+    }
+    const controller = new AbortController()
+    const execution = client(api).commands.execute(
+      { sessionId: 's' as never, line: '/hang' },
+      controller.signal,
+    )
+    const handlerSignal = await started.promise
+
+    controller.abort(new Error('connection closed'))
+
+    await expect(execution).rejects.toThrow('connection closed')
+    expect(handlerSignal.aborted).toBe(true)
+  })
+
   it('propagates the carrier Request signal into command.execute', async () => {
     const handler = toFetchHandler(fakeApi())
     const controller = new AbortController()
@@ -339,6 +428,29 @@ describe('unary round trip (handler ⇄ client, no network)', () => {
     expect(parsed.result.error?.code).toBe('cancelled')
   })
 
+  it('propagates the carrier Request signal into session.search', async () => {
+    const handler = toFetchHandler(fakeApi())
+    const controller = new AbortController()
+    const body = JSON.stringify({
+      type: 'client-request',
+      rpcId: 'r-search-sig',
+      method: 'session.search',
+      payload: { query: 'hang' },
+    })
+    const pending = handler.fetch(new Request(
+      'http://x/api/session.search',
+      { method: 'POST', headers: { 'content-type': 'application/json' }, body, signal: controller.signal },
+    ))
+    controller.abort()
+    const response = await pending
+    const parsed = await response.json() as {
+      rpcId: string
+      result: { error?: { code: string } }
+    }
+    expect(parsed.rpcId).toBe('r-search-sig')
+    expect(parsed.result.error?.code).toBe('cancelled')
+  })
+
   it('propagates the carrier Request signal into host.pickDirectory', async () => {
     const api = fakeApi()
     api.host.pickDirectory = async (request, signal) => {
diff --git a/packages/host/apiproxy/tests/rpc-schemas.spec.ts b/packages/host/apiproxy/tests/rpc-schemas.spec.ts
index 487acb6b11..9c0e0c382f 100644
--- a/packages/host/apiproxy/tests/rpc-schemas.spec.ts
+++ b/packages/host/apiproxy/tests/rpc-schemas.spec.ts
@@ -10,7 +10,8 @@ import {
   sessionCreateValueSchema, sessionEventSchema, sessionHistoryRequestSchema, sessionHistoryValueSchema,
   sessionIdSchema, sessionListRequestSchema, sessionListValueSchema, sessionModelsRequestSchema,
   sessionModelsValueSchema, sessionPromptRequestSchema, sessionPromptValueSchema,
-  sessionSelectModelRequestSchema, sessionSelectModelValueSchema, sessionSummarySchema,
+  sessionSearchRequestSchema, sessionSearchValueSchema, sessionSelectModelRequestSchema,
+  sessionSelectModelValueSchema, sessionSummarySchema,
   sessionUpdateQueueRequestSchema, sessionUpdateQueueValueSchema,
 } from '../src/api/sessions.schema.ts'
 import {
@@ -19,6 +20,7 @@ import {
   hostListDirectoryRequestSchema, hostListDirectoryValueSchema,
 } from '../src/api/host.schema.ts'
 import {
+  workspaceArchiveSessionRequestSchema, workspaceArchiveSessionValueSchema,
   workspaceCreateRequestSchema, workspaceCreateValueSchema, workspaceIdSchema,
   workspaceDeleteRequestSchema, workspaceDeleteValueSchema,
   workspaceInsertSessionBeforeRequestSchema, workspaceInsertSessionBeforeValueSchema,
@@ -150,6 +152,36 @@ describe('sessions domain schemas', () => {
     expect(sessionListRequestSchema.parse({})).toEqual({})
     expect(sessionListRequestSchema.parse({ cursor: 'c' }).cursor).toBe('c')
     expect(sessionListValueSchema.parse({ items: [] }).items).toEqual([])
+    expect(sessionSearchRequestSchema.parse({ query: '  exact phrase  ' })).toEqual({ query: 'exact phrase' })
+    expect(() => sessionSearchRequestSchema.parse({ query: '   ' })).toThrow()
+    expect(() => sessionSearchRequestSchema.parse({ query: 'bad\0query' })).toThrow(/NUL/)
+    expect(() => sessionSearchRequestSchema.parse({ query: 'x'.repeat(501) })).toThrow()
+    expect(sessionSearchValueSchema.parse({
+      items: [{ sessionId: 's1', snippet: 'matching text' }],
+      hasMore: true,
+    })).toEqual({
+      items: [{ sessionId: 's1', snippet: 'matching text' }],
+      hasMore: true,
+    })
+    expect(sessionSearchValueSchema.parse({
+      items: [{ sessionId: 's1', snippet: '😀'.repeat(240) }],
+      hasMore: false,
+    }).items[0]?.snippet).toBe('😀'.repeat(240))
+    expect(() => sessionSearchValueSchema.parse({
+      items: [{ sessionId: 's1', snippet: '😀'.repeat(241) }],
+      hasMore: false,
+    })).toThrow(/240 Unicode code points/)
+    expect(() => sessionSearchValueSchema.parse({
+      items: [{ sessionId: '', snippet: 'matching text' }],
+      hasMore: false,
+    })).toThrow()
+    expect(() => sessionSearchValueSchema.parse({
+      items: Array.from(
+        { length: 21 },
+        (_, index) => ({ sessionId: `s${index}`, snippet: 'matching text' }),
+      ),
+      hasMore: true,
+    })).toThrow()
     expect(sessionCreateRequestSchema.parse({ cwd: '/w' }).cwd).toBe('/w')
     // The refine's both-sides branch: workspaceId alone passes, workspaceId+cwd rejects.
     expect(sessionCreateRequestSchema.parse({ workspaceId: 'w1', sessionId: 's1' }).sessionId).toBe('s1')
@@ -281,7 +313,16 @@ describe('workspace domain schemas', () => {
     expect(workspaceViewSchema.parse(view).sessionIds).toEqual(['s1'])
     expect(() => workspaceViewSchema.parse({ ...view, sessionIds: 's1' })).toThrow()
     expect(workspaceListRequestSchema.parse({})).toEqual({})
-    expect(workspaceListValueSchema.parse({ items: [view] }).items).toHaveLength(1)
+    expect(workspaceListValueSchema.parse({ items: [view], archivedSessionIds: ['s1'] }).items).toHaveLength(1)
+    expect(() => workspaceListValueSchema.parse({ items: [view] })).toThrow()
+  })
+
+  it('archiveSession request/value carry the id and the full updated set', () => {
+    expect(workspaceArchiveSessionRequestSchema.parse({ sessionId: 's1' }).sessionId).toBe('s1')
+    expect(() => workspaceArchiveSessionRequestSchema.parse({})).toThrow()
+    expect(workspaceArchiveSessionValueSchema.parse({ archivedSessionIds: ['s1', 's2'] }).archivedSessionIds)
+      .toEqual(['s1', 's2'])
+    expect(() => workspaceArchiveSessionValueSchema.parse({ archivedSessionIds: 's1' })).toThrow()
   })
 
   it('create requires exactly one of path/name (both refine arms)', () => {
diff --git a/packages/host/apiproxy/tsconfig.json b/packages/host/apiproxy/tsconfig.json
index 4b6e9e94d0..98782ff7fd 100644
--- a/packages/host/apiproxy/tsconfig.json
+++ b/packages/host/apiproxy/tsconfig.json
@@ -47,6 +47,9 @@
     {
       "path": "../../session-projection/session-projection-cache"
     },
+    {
+      "path": "../../session-query/session-query"
+    },
     {
       "path": "../../session-title/session-title"
     },
diff --git a/packages/host/directory-picker-auto/tests/loader-composition.spec.ts b/packages/host/directory-picker-auto/tests/loader-composition.spec.ts
index ce86a8d4ec..59ca1c1992 100644
--- a/packages/host/directory-picker-auto/tests/loader-composition.spec.ts
+++ b/packages/host/directory-picker-auto/tests/loader-composition.spec.ts
@@ -56,6 +56,7 @@ async function loadComposition(bindHost: '127.0.0.1' | '0.0.0.0'): Promise<{ ctx
     '  config:',
     `    host: '${bindHost}'`,
     '    port: 0',
+    '    portConflict: increment',
     `    distIndex: '${distIndex}'`,
     `- name: '${AUTO}'`,
     '',
diff --git a/packages/host/directory-picker-browse/package.json b/packages/host/directory-picker-browse/package.json
index a9f3fc2090..ab0cb593dc 100644
--- a/packages/host/directory-picker-browse/package.json
+++ b/packages/host/directory-picker-browse/package.json
@@ -49,6 +49,7 @@
   "devDependencies": {
     "@deepseek-ai/dsh-client-locale": "workspace:^",
     "@deepseek-ai/dsh-client-runtime": "workspace:^",
+    "@deepseek-ai/dsh-client-test-runtime": "workspace:^",
     "@deepseek-ai/dsh-client-ui-primitives": "workspace:^",
     "@deepseek-ai/dsh-client-ui-slots": "workspace:^",
     "@deepseek-ai/dsh-client-ui-workspace": "workspace:^",
diff --git a/packages/host/directory-picker-browse/tests/client-flow.spec.tsx b/packages/host/directory-picker-browse/tests/client-flow.spec.tsx
index 92293600f2..d501f3e34c 100644
--- a/packages/host/directory-picker-browse/tests/client-flow.spec.tsx
+++ b/packages/host/directory-picker-browse/tests/client-flow.spec.tsx
@@ -5,10 +5,15 @@ import { cleanup, fireEvent, render, screen, waitFor } from '@testing-library/re
 import { SlotsService } from '@deepseek-ai/dsh-client-runtime/client'
 import type { DirectoryListing } from '@deepseek-ai/dsh-client-runtime/client'
 import { LocaleService } from '@deepseek-ai/dsh-client-locale/client'
+import { usePinnedBrowserLanguages } from '@deepseek-ai/dsh-client-test-runtime'
 import type { DirectoryFlowOwnerProps } from '@deepseek-ai/dsh-client-ui-workspace/client'
 import { apply, inject } from '../src/client/index.ts'
 import { BrowseDirectoryFlow } from '../src/client/flow.ts'
 
+// The service reads its initial locale from the browser; these specs assert
+// the shipped Chinese copy, so they state the browser they assume.
+usePinnedBrowserLanguages('zh-CN')
+
 afterEach(cleanup)
 
 const HOLES = ['conversation.hero.workspace.directoryFlow', 'sidebar.workspaces.directoryFlow'] as const
diff --git a/packages/llm/llm-retry/README.i18n.yaml b/packages/llm/llm-retry/README.i18n.yaml
index 8a0ecf3434..cf25cdcd4e 100644
--- a/packages/llm/llm-retry/README.i18n.yaml
+++ b/packages/llm/llm-retry/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/llm/llm-retry/README.md
-README.md: 7a86652a794e70c4dfd00ab7427730387e3ec949
-README.zh.md: c66c04806597c11b5c64dcb01443bb84f489e0f5
+README.md: 8de3ea8c9321f04f5af1b0d7ab361f73eaabc822
+README.zh.md: 978854e9466e271535a10fcea406d0dcb5607285
diff --git a/packages/llm/llm-retry/README.md b/packages/llm/llm-retry/README.md
index 7a86652a79..8de3ea8c93 100644
--- a/packages/llm/llm-retry/README.md
+++ b/packages/llm/llm-retry/README.md
@@ -8,7 +8,7 @@ Each provider adapter owns an optional nested `retryPolicy`, captured when its r
 
 Both modes use bounded exponential backoff with symmetric jitter. A valid `providerRetryAfterMs` at or below `maxDelayMs` replaces local backoff without jitter. An over-cap provider delay makes normal mode delegate, while always mode uses its configured local backoff so it cannot terminate on that instruction.
 
-Before waiting, the plugin appends a non-surface `llm/retry` event with the provider, mode, canonical resolved-policy key, failure, and scheduled delay. The key includes every behavior-affecting field and sorts normal-mode codes because eligibility uses set membership. Retry numbers continue only across events with the same provider and complete policy key, so a route replacement with different limits, code membership, or backoff starts its own history. Normal events include the finite maximum; always events omit it, and UIs render `∞`. After the wait, the listener returns `{ kind: 'retry' }`, and the loop closes the failed turn and opens a retry turn over the same durable history. Cancellation and plugin disposal abort active backoff, drain active delegated recovery before applying the abort, and make a callback captured before disposal fail closed.
+Before waiting, the plugin appends a non-surface `llm/retry` event with the provider, mode, canonical resolved-policy key, failure, and scheduled delay. Its payload is available from the browser-safe `@deepseek-ai/dsh-llm-retry/types` subpath, so remote renderers can consume the durable status without loading the policy runtime. The key includes every behavior-affecting field and sorts normal-mode codes because eligibility uses set membership. Retry numbers continue only across events with the same provider and complete policy key, so a route replacement with different limits, code membership, or backoff starts its own history. Normal events include the finite maximum; always events omit it, and UIs render `∞`. After the wait, the listener returns `{ kind: 'retry' }`, and the loop closes the failed turn and opens a retry turn over the same durable history. Cancellation and plugin disposal abort active backoff, drain active delegated recovery before applying the abort, and make a callback captured before disposal fail closed.
 
 The separately published `./invariant` companion checks that every retry record names the current open turn and latest closed step, matches the failed request's durable provider, carries non-empty provider and policy identities, has mode-specific bounds, a unique step record, the correct provider-policy retry number, and a bounded timer delay. Full jitter may schedule zero milliseconds at its lower boundary.
 
diff --git a/packages/llm/llm-retry/README.zh.md b/packages/llm/llm-retry/README.zh.md
index c66c048065..978854e946 100644
--- a/packages/llm/llm-retry/README.zh.md
+++ b/packages/llm/llm-retry/README.zh.md
@@ -8,7 +8,7 @@
 
 两种 mode 都使用带对称 jitter 的有界指数退避。有效 `providerRetryAfterMs` 不超过 `maxDelayMs` 时会替换本地退避，并且不加 jitter。超出上限的提供方延迟会使 normal mode 继续委托；always mode 则改用已配置的本地退避，避免该指令终止重试。
 
-等待前，插件会追加一条不进入表层的 `llm/retry` 事件，其中包含提供方、mode、已解析策略的规范 key、失败和计划延迟。该 key 包含所有影响行为的字段，并对 normal mode 的 code 排序，因为合格性采用集合成员关系判断。只有提供方与完整策略 key 都相同的事件才会延续重试编号；因此，用限制、code 成员关系或退避不同的路由替换后，会开始自己的历史。normal 事件包含有限上限；always 事件省略该上限，UI 会渲染 `∞`。等待结束后，监听器返回 `{ kind: 'retry' }`，循环关闭失败轮次，并在同一持久历史上开启重试轮次。取消与插件 dispose 会中止活跃退避，在应用中止前排空活跃的委托恢复，并使 dispose 前捕获的 callback 只能以失败结束。
+等待前，插件会追加一条不进入表层的 `llm/retry` 事件，其中包含提供方、mode、已解析策略的规范 key、失败和计划延迟。该载荷由可安全用于浏览器的 `@deepseek-ai/dsh-llm-retry/types` 子路径导出，因此远程渲染器无需加载策略运行时即可使用该持久状态。该 key 包含所有影响行为的字段，并对 normal mode 的 code 排序，因为合格性采用集合成员关系判断。只有提供方与完整策略 key 都相同的事件才会延续重试编号；因此，用限制、code 成员关系或退避不同的路由替换后，会开始自己的历史。normal 事件包含有限上限；always 事件省略该上限，UI 会渲染 `∞`。等待结束后，监听器返回 `{ kind: 'retry' }`，循环关闭失败轮次，并在同一持久历史上开启重试轮次。取消与插件 dispose 会中止活跃退避，在应用中止前排空活跃的委托恢复，并使 dispose 前捕获的 callback 只能以失败结束。
 
 单独发布的 `./invariant` 配套模块会检查每个重试记录是否指向当前开启轮次及其最新已关闭步骤，是否与失败请求的持久提供方匹配，是否携带非空的提供方与策略标识，是否满足 mode 特定边界，是否拥有唯一步骤记录和正确的提供方策略重试编号，以及是否携带有界定时器延迟。完整 jitter 可以在下界调度为零毫秒。
 
diff --git a/packages/llm/llm-retry/package.json b/packages/llm/llm-retry/package.json
index 854e945491..62dacddcb3 100644
--- a/packages/llm/llm-retry/package.json
+++ b/packages/llm/llm-retry/package.json
@@ -15,11 +15,16 @@
       "types": "./lib/types/invariant.d.ts",
       "default": "./lib/invariant.js"
     },
+    "./types": {
+      "types": "./lib/types/types.d.ts",
+      "default": "./lib/types/types.js"
+    },
     "./package.json": "./package.json"
   },
   "files": [
     "lib/index.js",
     "lib/invariant.js",
+    "lib/types/**/*.js",
     "lib/types/**/*.d.ts",
     "lib/types/**/*.d.ts.map",
     "src"
diff --git a/packages/llm/llm-retry/src/index.ts b/packages/llm/llm-retry/src/index.ts
index 0af1bbf385..fd756a39cc 100644
--- a/packages/llm/llm-retry/src/index.ts
+++ b/packages/llm/llm-retry/src/index.ts
@@ -37,6 +37,8 @@ declare module '@deepseek-ai/dsh-session' {
   }
 }
 
+export type { LlmRetryEventData } from './types.ts'
+
 export const name = 'llm-retry'
 export const inject = ['agents']
 
diff --git a/packages/llm/llm-retry/src/types.ts b/packages/llm/llm-retry/src/types.ts
new file mode 100644
index 0000000000..f59aef4495
--- /dev/null
+++ b/packages/llm/llm-retry/src/types.ts
@@ -0,0 +1,25 @@
+import type { LlmFailure } from '@deepseek-ai/dsh-llm/types'
+
+/** Durable payload recorded before one provider-routed model-request retry wait. */
+export type LlmRetryEventData =
+  | {
+    turn: number
+    step: number
+    provider: string
+    mode: 'normal'
+    policyKey: string
+    retry: number
+    maxRetries: number
+    delayMs: number
+    failure: LlmFailure
+  }
+  | {
+    turn: number
+    step: number
+    provider: string
+    mode: 'always'
+    policyKey: string
+    retry: number
+    delayMs: number
+    failure: LlmFailure
+  }
diff --git a/packages/llm/llm-retry/tests/retry.spec.ts b/packages/llm/llm-retry/tests/retry.spec.ts
index c433f9b20f..99482126b8 100644
--- a/packages/llm/llm-retry/tests/retry.spec.ts
+++ b/packages/llm/llm-retry/tests/retry.spec.ts
@@ -12,7 +12,8 @@ import type {
   StreamChunk,
 } from '@deepseek-ai/dsh-llm'
 import SessionStore, { SessionId } from '@deepseek-ai/dsh-session'
-import type { SessionEvent } from '@deepseek-ai/dsh-session'
+import type { SessionEvent, SessionEventMap } from '@deepseek-ai/dsh-session'
+import type { LlmRetryEventData } from '@deepseek-ai/dsh-llm-retry/types'
 import SystemPrompt from '@deepseek-ai/dsh-system-prompt'
 import ToolRegistry, { defineContentToolFixture } from '@deepseek-ai/dsh-tools'
 import AgentRegistry from '@deepseek-ai/dsh-agent'
@@ -22,6 +23,10 @@ import * as retry from '../src/index.ts'
 
 type ScriptEntry = Error | Iterable<StreamChunk> | AsyncIterable<StreamChunk>
 
+it('keeps the browser-safe retry payload identical to the session event', () => {
+  expectTypeOf<LlmRetryEventData>().toEqualTypeOf<SessionEventMap['llm/retry']>()
+})
+
 class ScriptedAdapter extends LlmAdapter {
   readonly requests: GenerateOptions[] = []
   private retryPolicies: Readonly<Record<string, ResolvedRetryPolicy | undefined>> = {}
diff --git a/packages/llm/llm/README.i18n.yaml b/packages/llm/llm/README.i18n.yaml
index b4a5070003..5c87947f95 100644
--- a/packages/llm/llm/README.i18n.yaml
+++ b/packages/llm/llm/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/llm/llm/README.md
-README.md: 31daf348430d6bf5ee241f5b32ff4c2458defae2
-README.zh.md: a9dd24fdd7c62c01a5e924539afdaa0e6086f013
+README.md: 5d74ed647f4de3c8ed65554dff736eb8aec9eef9
+README.zh.md: 354dd754145e38551646b709d467533d3f4d42a8
diff --git a/packages/llm/llm/README.md b/packages/llm/llm/README.md
index 31daf34843..5d74ed647f 100644
--- a/packages/llm/llm/README.md
+++ b/packages/llm/llm/README.md
@@ -18,7 +18,7 @@ An adapter registry plus a single streaming call surface, interceptable via a wa
 - `ctx.llm.listModels(provider: string): Promise<LlmModelInfo[]>` Discover the models one registered provider currently advertises.
 - `ctx.llm.resolveModelInfo(provider: string, model: string, signal?: AbortSignal): Promise<LlmResolvedModelInfo>` Resolve validated exact-model identity plus available context, output-default, and reasoning metadata from the owning adapter, with optional cancellation for asynchronous adapters.
 - `ctx.llm.resolveCallConfig(config: LlmCallConfig, signal?: AbortSignal): Promise<LlmCallConfig>` Validate an explicit effort and materialize adapter-configured call defaults without clamping.
-- `ctx.llm.prepareCall(config: LlmCallConfig, signal?: AbortSignal): Promise<PreparedLlmCall>` Resolve a config and capture its current adapter registration plus immutable retry policy as one cancellable, one-shot call.
+- `ctx.llm.prepareCall(config: LlmCallConfig, signal?: AbortSignal): Promise<PreparedLlmCall>` Resolve a config plus detached context metadata and adapter-default provenance in one exact-model lookup, then capture its current adapter registration and immutable retry policy as one cancellable, one-shot call.
 - `ctx.llm.stream(options: GenerateOptions): AsyncIterable<StreamChunk>` Stream one model call as raw chunks (token-level deltas). Consumers assemble the chunks into blocks/messages with `BlockAssembler`.
 
 `LlmService` normalizes failures from final adapter selection, synchronous dispatch, iterator construction, and iteration into the stream protocol's single terminal form: `finish { kind: 'error' | 'aborted', failure }`. A failure after partial deltas may leave content blocks open; consumers discard that incomplete output. Errors from `llm/stream` middleware, nested calls, adapter cleanup, and downstream consumers remain thrown because they are plugin or consumer failures rather than model-request outcomes. A prepared call exposes the immutable retry policy captured with its exact adapter registration; a route handled entirely by middleware has no serving policy.
@@ -29,7 +29,7 @@ Every topology commit point — adapter routes registering or disposing, directo
 
 Exact-model metadata is a separate correctness query, not a catalog decoration or global LLM setting. `resolveModelInfo()` asks the adapter that owns the exact provider/model route once; an adapter can describe an unlisted dynamic model, and absent `context`, `defaultMaxTokens`, or `reasoning` fields preserve unknown capacity, provider-owned output defaults, or unavailable reasoning capability. Invalid identity, context, output default, or reasoning metadata fails with `INVALID_MODEL_INFO`, `INVALID_MODEL_CONTEXT`, `INVALID_MODEL_MAX_TOKENS`, or `INVALID_MODEL_REASONING`.
 
-`defaultMaxTokens` is an adapter-configured per-request output cap, not a model hard limit. `resolveCallConfig()` materializes it only when the request omits `maxTokens`; an explicit cap wins. Reasoning identifiers are opaque adapter-owned strings rather than a core enum: the same resolution accepts only an exact advertised identifier, materializes `defaultEffort` when present, and otherwise preserves the provider default. Asynchronous model resolvers receive the caller's signal and must settle promptly after cancellation. `prepareCall()` additionally reports which `maxTokens` and `reasoningEffort` fields it materialized in `adapterDefaults` and retains the exact adapter registration through header logging and terminal dispatch, so HMR cannot combine one adapter's capability result with another adapter's request; reusing its one-shot handle or changing its call-config fields fails with `INVALID_PREPARED_CALL`. An unsupported explicit or configured effort fails with `UNSUPPORTED_REASONING_EFFORT` before provider I/O.
+`defaultMaxTokens` is an adapter-configured per-request output cap, not a model hard limit. `resolveCallConfig()` materializes it only when the request omits `maxTokens`; an explicit cap wins. Reasoning identifiers are opaque adapter-owned strings rather than a core enum: the same resolution accepts only an exact advertised identifier, materializes `defaultEffort` when present, and otherwise preserves the provider default. Asynchronous model resolvers receive the caller's signal and must settle promptly after cancellation. `prepareCall()` additionally exposes detached context metadata from the same lookup, reports which `maxTokens` and `reasoningEffort` fields it materialized in `adapterDefaults`, and retains the exact adapter registration through header logging and terminal dispatch, so HMR cannot combine one adapter's capability result with another adapter's request; reusing its one-shot handle or changing its call-config fields fails with `INVALID_PREPARED_CALL`. An unsupported explicit or configured effort fails with `UNSUPPORTED_REASONING_EFFORT` before provider I/O.
 
 ### Events
 
diff --git a/packages/llm/llm/README.zh.md b/packages/llm/llm/README.zh.md
index a9dd24fdd7..354dd75414 100644
--- a/packages/llm/llm/README.zh.md
+++ b/packages/llm/llm/README.zh.md
@@ -18,7 +18,7 @@
 - `ctx.llm.listModels(provider: string): Promise<LlmModelInfo[]>` 发现某个已注册提供方当前公布的模型。
 - `ctx.llm.resolveModelInfo(provider: string, model: string, signal?: AbortSignal): Promise<LlmResolvedModelInfo>` 从拥有精确路由的适配器解析经校验的确切模型身份，以及可用上下文、输出默认值和推理（reasoning）元数据；异步适配器可选地支持取消。
 - `ctx.llm.resolveCallConfig(config: LlmCallConfig, signal?: AbortSignal): Promise<LlmCallConfig>` 校验显式推理强度，并填入适配器配置的调用默认值，但不自动调整。
-- `ctx.llm.prepareCall(config: LlmCallConfig, signal?: AbortSignal): Promise<PreparedLlmCall>` 解析配置，并将当前适配器注册及不可变重试策略捕获为一次可取消、一次性调用。
+- `ctx.llm.prepareCall(config: LlmCallConfig, signal?: AbortSignal): Promise<PreparedLlmCall>` 在一次精确模型查询中解析配置、脱耦的上下文元数据与适配器默认值溯源，再将当前适配器注册和不可变重试策略捕获为一次可取消、一次性调用。
 - `ctx.llm.stream(options: GenerateOptions): AsyncIterable<StreamChunk>` 将一次模型调用流式输出为原始分片（token 级增量）。消费方使用 `BlockAssembler` 将分片组装为块／消息。
 
 `LlmService` 将最终适配器选择、同步 dispatch、iterator 构造与迭代中的失败规范化为流协议唯一的终止形式：`finish { kind: 'error' | 'aborted', failure }`。部分增量输出后发生失败时，内容块可能仍未闭合；消费方会丢弃这些不完整输出。`llm/stream` middleware、嵌套调用、适配器清理和下游消费方的错误仍会抛出，因为它们属于插件或消费方失败，而非模型请求结果。已准备调用会暴露随其确切适配器注册一同捕获的不可变重试策略；完全由 middleware 处理的路由没有服务策略。
@@ -29,7 +29,7 @@
 
 确切模型元数据是独立的正确性查询，不是 catalog 装饰或全局 LLM 设置。`resolveModelInfo()` 会向拥有精确提供方／模型路由的适配器查询一次；适配器可以描述未列出的动态模型，缺少 `context`、`defaultMaxTokens` 或 `reasoning` 字段会分别保留未知容量、提供方持有的输出默认值或不可用的推理能力。无效的身份、上下文、输出默认值或推理元数据会以 `INVALID_MODEL_INFO`、`INVALID_MODEL_CONTEXT`、`INVALID_MODEL_MAX_TOKENS` 或 `INVALID_MODEL_REASONING` 失败。
 
-`defaultMaxTokens` 是适配器配置的单次请求输出上限，不是模型硬上限。仅当请求省略 `maxTokens` 时，`resolveCallConfig()` 才会填入该值；显式上限优先。推理标识符是由适配器持有的不透明字符串，而非核心枚举：同一次解析只接受与已公布标识符完全一致的值，在存在 `defaultEffort` 时填入它，否则保留提供方默认值。异步模型解析器会接收调用方的 signal，并且必须在取消后迅速结束。`prepareCall()` 还会通过 `adapterDefaults` 报告它填入了哪些 `maxTokens` 和 `reasoningEffort` 字段，并让精确适配器注册跨越请求头记录和最终分派，因此 HMR（热模块替换）不会将一个适配器的能力结果与另一个适配器的请求混用；复用其一次性句柄或更改调用配置字段会以 `INVALID_PREPARED_CALL` 失败。不支持的显式或配置推理强度会在提供方 I/O 前以 `UNSUPPORTED_REASONING_EFFORT` 失败。
+`defaultMaxTokens` 是适配器配置的单次请求输出上限，不是模型硬上限。仅当请求省略 `maxTokens` 时，`resolveCallConfig()` 才会填入该值；显式上限优先。推理标识符是由适配器持有的不透明字符串，而非核心枚举：同一次解析只接受与已公布标识符完全一致的值，在存在 `defaultEffort` 时填入它，否则保留提供方默认值。异步模型解析器会接收调用方的 signal，并且必须在取消后迅速结束。`prepareCall()` 还会公开同一次查询得到的脱耦上下文元数据，通过 `adapterDefaults` 报告它填入了哪些 `maxTokens` 和 `reasoningEffort` 字段，并让精确适配器注册跨越请求头记录和最终分派，因此 HMR（热模块替换）不会将一个适配器的能力结果与另一个适配器的请求混用；复用其一次性句柄或更改调用配置字段会以 `INVALID_PREPARED_CALL` 失败。不支持的显式或配置推理强度会在提供方 I/O 前以 `UNSUPPORTED_REASONING_EFFORT` 失败。
 
 ### 事件
 
diff --git a/packages/llm/llm/src/index.ts b/packages/llm/llm/src/index.ts
index 3d0fdfed1d..59932f676c 100644
--- a/packages/llm/llm/src/index.ts
+++ b/packages/llm/llm/src/index.ts
@@ -11,6 +11,7 @@ import type {
   GenerateOptions,
   LlmConfigurableProvider,
   LlmFailure,
+  LlmModelContext,
   LlmModelInfo,
   LlmResolvedModelInfo,
   LlmProviderInfo,
@@ -125,6 +126,8 @@ export interface PreparedLlmCall {
   readonly config: LlmCallConfig
   /** Immutable retry policy captured with the adapter registration. */
   readonly retryPolicy: ResolvedRetryPolicy
+  /** Detached context metadata resolved with the registration-bound call. */
+  readonly context?: LlmModelContext
   /** Config fields materialized by the captured adapter rather than proposed by the caller. */
   readonly adapterDefaults: LlmCallConfigAdapterDefaults
   /**
@@ -564,20 +567,21 @@ export class LlmService extends Service {
    * @returns a detached config only when a default must be materialized.
    */
   async resolveCallConfig(config: LlmCallConfig, signal?: AbortSignal): Promise<LlmCallConfig> {
-    return this.resolveCallConfigFor(this.registration(config.provider), config, signal)
+    return (await this.resolveCallFor(this.registration(config.provider), config, signal)).config
   }
 
-  private async resolveCallConfigFor(
+  private async resolveCallFor(
     registration: AdapterRegistration,
     config: LlmCallConfig,
     signal?: AbortSignal,
-  ): Promise<LlmCallConfig> {
+  ): Promise<{ config: LlmCallConfig; context?: LlmModelContext }> {
     const info = await this.resolveModelInfoFor(registration, config.model, signal)
     const defaulted = config.maxTokens === undefined && info.defaultMaxTokens !== undefined
       ? { ...config, maxTokens: info.defaultMaxTokens }
       : config
     const reasoning = info.reasoning
     const requested = defaulted.reasoningEffort
+    let resolvedConfig = defaulted
     if (reasoning === undefined) {
       if (requested !== undefined) {
         throw new LlmError(
@@ -585,17 +589,22 @@ export class LlmService extends Service {
           'UNSUPPORTED_REASONING_EFFORT',
         )
       }
-      return defaulted
+    } else {
+      const effective = requested ?? reasoning.defaultEffort
+      if (effective !== undefined) {
+        if (!reasoning.efforts.some(effort => effort.id === effective)) {
+          throw new LlmError(
+            `provider "${config.provider}" model "${config.model}" does not support reasoning effort "${effective}"`,
+            'UNSUPPORTED_REASONING_EFFORT',
+          )
+        }
+        if (requested !== effective) resolvedConfig = { ...defaulted, reasoningEffort: effective }
+      }
     }
-    const effective = requested ?? reasoning.defaultEffort
-    if (effective === undefined) return defaulted
-    if (!reasoning.efforts.some(effort => effort.id === effective)) {
-      throw new LlmError(
-        `provider "${config.provider}" model "${config.model}" does not support reasoning effort "${effective}"`,
-        'UNSUPPORTED_REASONING_EFFORT',
-      )
+    return {
+      config: resolvedConfig,
+      ...info.context === undefined ? {} : { context: info.context },
     }
-    return requested === effective ? defaulted : { ...defaulted, reasoningEffort: effective }
   }
 
   /**
@@ -608,13 +617,16 @@ export class LlmService extends Service {
    */
   async prepareCall(config: LlmCallConfig, signal?: AbortSignal): Promise<PreparedLlmCall> {
     const registration = this.registration(config.provider)
-    const resolved = await this.resolveCallConfigFor(registration, config, signal)
-    const resolvedConfig = deepFreeze(structuredClone(resolved))
+    const resolved = await this.resolveCallFor(registration, config, signal)
+    const resolvedConfig = deepFreeze(structuredClone(resolved.config))
+    const context = resolved.context === undefined
+      ? undefined
+      : deepFreeze(structuredClone(resolved.context))
     const adapterDefaults = deepFreeze<LlmCallConfigAdapterDefaults>({
-      ...config.reasoningEffort === undefined && resolved.reasoningEffort !== undefined
+      ...config.reasoningEffort === undefined && resolvedConfig.reasoningEffort !== undefined
         ? { reasoningEffort: true }
         : {},
-      ...config.maxTokens === undefined && resolved.maxTokens !== undefined
+      ...config.maxTokens === undefined && resolvedConfig.maxTokens !== undefined
         ? { maxTokens: true }
         : {},
     })
@@ -623,6 +635,7 @@ export class LlmService extends Service {
       config: resolvedConfig,
       retryPolicy: registration.retryPolicy,
       adapterDefaults,
+      ...context === undefined ? {} : { context },
       stream: (options: GenerateOptions): AsyncIterable<StreamChunk> => {
         if (dispatched) {
           throw new LlmError('a prepared LLM call can only be dispatched once', 'INVALID_PREPARED_CALL')
@@ -674,9 +687,15 @@ export class LlmService extends Service {
     try {
       const registration = prepared?.registration ?? this.registration(options.provider)
       const resolvedConfig = prepared === undefined
-        ? await this.resolveCallConfigFor(registration, options, options.signal)
+        ? (await this.resolveCallFor(registration, options, options.signal)).config
         : prepared.config
-      const resolvedOptions = prepared !== undefined || callConfigEquals(options, resolvedConfig)
+      if (prepared !== undefined && !callConfigEquals(options, resolvedConfig)) {
+        throw new LlmError(
+          'prepared LLM call config changed before adapter dispatch',
+          'INVALID_PREPARED_CALL',
+        )
+      }
+      const resolvedOptions = callConfigEquals(options, resolvedConfig)
         ? options
         : Object.isFrozen(options)
           ? deepFreeze({ ...options, ...resolvedConfig })
diff --git a/packages/llm/llm/tests/service.spec.ts b/packages/llm/llm/tests/service.spec.ts
index 0beac23d40..c8be794ab7 100644
--- a/packages/llm/llm/tests/service.spec.ts
+++ b/packages/llm/llm/tests/service.spec.ts
@@ -837,6 +837,48 @@ describe('LlmService', () => {
     })).toThrow(expect.objectContaining({ code: 'INVALID_PREPARED_CALL' }))
   })
 
+  it('reuses one exact-model lookup for prepared config and context metadata', async () => {
+    const ctx = new Context()
+    await ctx.plugin(LlmService)
+    let resolutions = 0
+    const source = { contextWindow: 128_000 }
+    const adapter = new class extends ScriptedAdapter {
+      override resolveModel(provider: string, model: string): Promise<LlmResolvedModelInfo> {
+        resolutions += 1
+        return Promise.resolve({
+          provider,
+          id: model,
+          name: model,
+          description: 'Resolved model',
+          context: source,
+          reasoning: model === 'no-default'
+            ? { efforts: [{ id: ReasoningEffortId('high'), name: 'High' }] }
+            : {
+              efforts: [{ id: ReasoningEffortId('high'), name: 'High' }],
+              defaultEffort: ReasoningEffortId('high'),
+            },
+        })
+      }
+    }(SCRIPT)
+    ctx.llm.registerAdapter(['route'], adapter)
+
+    const prepared = await ctx.llm.prepareCall({ provider: 'route', model: 'model' })
+    source.contextWindow = 64_000
+    expect(prepared.config.reasoningEffort).toBe(ReasoningEffortId('high'))
+    expect(prepared.context).toEqual({ contextWindow: 128_000 })
+    expect(Object.isFrozen(prepared.context)).toBe(true)
+    for await (const _chunk of prepared.stream({
+      ...prepared.config,
+      messages: [],
+    })) { /* drain */ }
+    expect(resolutions).toBe(1)
+
+    const noDefault = await ctx.llm.prepareCall({ provider: 'route', model: 'no-default' })
+    expect(noDefault.config).toEqual({ provider: 'route', model: 'no-default' })
+    expect(noDefault.context).toEqual({ contextWindow: 64_000 })
+    expect(resolutions).toBe(2)
+  })
+
   it('passes cancellation through exact-model resolution', async () => {
     const ctx = new Context()
     await ctx.plugin(LlmService)
diff --git a/packages/llm/token-meter/README.i18n.yaml b/packages/llm/token-meter/README.i18n.yaml
index a4ad4aef87..3b895b9852 100644
--- a/packages/llm/token-meter/README.i18n.yaml
+++ b/packages/llm/token-meter/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/llm/token-meter/README.md
-README.md: 578728ded9cf51a12abcd70d541404e995028f26
-README.zh.md: 9d54ddb4792e6c897af7d57a6f8ae98204caa11d
+README.md: 701893b342f9a93a75bec175634b1054f3d17151
+README.zh.md: a5844e8788422bba669632ed587fb87e1e2a1e58
diff --git a/packages/llm/token-meter/README.md b/packages/llm/token-meter/README.md
index 578728ded9..701893b342 100644
--- a/packages/llm/token-meter/README.md
+++ b/packages/llm/token-meter/README.md
@@ -21,6 +21,24 @@ The fold tracks full request-header snapshots, step boundaries, surface appends
 
 Usage accounting sums disjoint input, cache-read, cache-write, and output buckets; reasoning is not added again. Every successful call records an assistant anchor, including content-less calls. An explicit empty provenance list means a known empty provider stream, while absent legacy provenance conservatively treats the durable assistant output as provider output.
 
+## Session projections
+
+When the composition provides `ctx.sessionProjections`, token-meter registers two units through an optional child fiber.
+
+`tokenUsage` carries the complete durable log's `uncachedInputTokens`, `outputTokens`, `cacheReadTokens`, and `cacheWriteTokens`. Usage chunks are counted even when a request later fails; a final assistant-message usage for the same `(turn, step)` replaces that sample instead of double-counting it. Reasoning remains an output subdivision. The single last-sample slot relies on a session-log ordering property: once a later step reports usage, a legal log never reports usage for an earlier step again.
+
+`contextPressure` carries optional `pressureTokens` — the newest provider-reported prompt size, summing uncached input plus cache reads and writes — and optional `contextWindow` from the newest `request/context` record. Pressure stays absent until a provider reports usage; capacity stays absent for a route whose adapter advertises none. Output is excluded, so the numerator holds still while a turn streams and steps forward when the next request reports its usage.
+
+Both units use the standard projection baseline, live frame, higher-seq-wins store, and JSON checkpoint paths. Unloading token-meter removes both keys. A headless or TUI composition without the projection seam keeps the measurement service's existing behavior.
+
+### Context occupancy is an approximation, by design
+
+`pressureTokens` and `contextWindow` are independent last-wins fields and are **not** one atomic observation of a single request. Switching models pairs the fresh capacity with the previous route's pressure until the next request reports usage, and `pressureTokens` describes the last request rather than the surface as it stands right now.
+
+This is deliberate. An occupancy percentage is a user-facing reference figure, not a billing record or a gating input — nothing in the harness makes decisions from it, and compaction reads `measure()` instead. The TUI status line has always computed occupancy the same way, dividing a `measure()` total by a separately-resolved capacity for the selected model.
+
+Making the pair atomic was tried and rejected: it required a transient non-replayable wire frame, which needed lifecycle fencing against cross-stream reordering and left occupancy blank after every reconnect. The [Agent Note](../../../.agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.md) records that comparison. Consumers that need an exact same-boundary figure should call `measure()` at their own request boundary rather than read this projection.
+
 ## Composition
 
 ```yaml
@@ -44,3 +62,4 @@ No direct invalidation; the named consumer owns any request-prefix changes.
 - **Every measurement clones the current surface** — coherent immutable snapshots make reads O(surface), including below-threshold pressure checks.
 - **Provider usage is only reusable for an identical canonical envelope** — prompt, prefix, tools, provider, model, or call-config changes deliberately fall back to full heuristic estimation.
 - **Legacy provenance is conservative** — assistant messages without `sourceEventSeqs` cannot distinguish provider output from listener rewrites, so the fold avoids claiming a known empty or exact chunk stream.
+- **The TUI and browser fixture retain parallel folds** — `tokenUsage` owns durable session-projection semantics; the TUI keeps its live per-step map because its composition does not mount the generic projection seam, while the browser fixture mirrors the unit for standalone demo data.
diff --git a/packages/llm/token-meter/README.zh.md b/packages/llm/token-meter/README.zh.md
index 9d54ddb479..a5844e8788 100644
--- a/packages/llm/token-meter/README.zh.md
+++ b/packages/llm/token-meter/README.zh.md
@@ -21,6 +21,24 @@ fold 跟踪完整请求标头快照、步骤边界、表层追加与替换、成
 
 用量计量会求和不重叠的输入、cache-read、cache-write 与输出 bucket；不会再次添加推理（reasoning）。每次成功调用都会记录一个 assistant 锚点，包括无内容调用。显式空溯源列表表示已知空提供方流，而遗留溯源缺失时，fold 会保守地将持久 assistant 输出视为提供方输出。
 
+## 会话投影
+
+当组合提供 `ctx.sessionProjections` 时，token-meter 会通过一个可选子 fiber 注册两个单元。
+
+`tokenUsage` 携带完整持久日志中的 `uncachedInputTokens`、`outputTokens`、`cacheReadTokens` 和 `cacheWriteTokens`。即使请求随后失败，用量分片仍会计入；同一 `(turn, step)` 的最终 assistant 消息用量会替换该样本，而不是重复计数。推理仍是输出的一个细分项。只保留单个最新样本，依赖的是会话日志的一条顺序性质：一旦某个更晚的步骤报告了用量，合法日志就绝不会再为更早的步骤报告用量。
+
+`contextPressure` 携带可选的 `pressureTokens`（提供方报告的最新提示词规模，为未缓存输入加缓存读取与写入之和），以及来自最新一条 `request/context` 记录的可选 `contextWindow`。提供方报告用量前压力保持缺失；路由适配器未公布容量时容量也保持缺失。输出不计入其中，因此轮次流式输出期间分子保持不动，等到下一个请求报告用量时才前进。
+
+两个单元都使用标准的投影基线、实时帧、seq 高者胜值仓和 JSON 检查点路径。卸载 token-meter 会移除这两个键。不带投影 seam 的 headless 或 TUI 组合会保留测量服务的既有行为。
+
+### 上下文占用率是刻意为之的近似值
+
+`pressureTokens` 与 `contextWindow` 是两个各自后者胜的独立字段，**不是**对单个请求的一次原子观测。切换模型时，新容量会与上一路由的压力配对，直到下一个请求报告用量为止；而 `pressureTokens` 描述的是最后一个请求，不是此刻的表层。
+
+这是刻意的选择。占用率百分比是面向用户的参考数字，既不是计费记录，也不是门控输入：harness 中没有任何环节依据它做决策，压缩改为直接读取 `measure()`。TUI 状态行一直以同样的方式计算占用率，即用 `measure()` 总量除以为所选模型单独解析出的容量。
+
+让这对值保持原子已经尝试过并被否决：它需要一个临时且不可回放的协议帧，进而需要针对跨流重排序的生命周期栅栏，还会让占用率在每次重连后变为空白。[Agent Note（agent 决策记录）](../../../.agents/notes/implemented/architecture/2026-07-29-projected-token-usage-and-request-context.md)记录了这项对比。需要同一边界精确数字的消费方应在自己的请求边界调用 `measure()`，而不是读取该投影。
+
 ## 组合
 
 ```yaml
@@ -44,3 +62,4 @@ fold 跟踪完整请求标头快照、步骤边界、表层追加与替换、成
 - **每次测量都会克隆当前表层**：一致且不可变的快照使读取成为 O(surface)，包括低于阈值的压力检查。
 - **提供方用量只能为完全相同的规范 envelope 复用**：提示词、前缀、工具、提供方、模型或调用配置变更都会有意回退到完整启发式估算。
 - **遗留溯源采取保守策略**：没有 `sourceEventSeqs` 的 assistant 消息无法区分提供方输出与 listener 改写，因此 fold 不会声称已知空流或精确分片流。
+- **TUI 与浏览器 fixture 仍保留并行 fold**：`tokenUsage` 拥有持久会话投影语义；TUI 的组合未挂载通用投影 seam，因此继续维护实时的逐步骤 map，而浏览器 fixture 会为独立 demo 数据镜像该单元。
diff --git a/packages/llm/token-meter/package.json b/packages/llm/token-meter/package.json
index dadd5e8f8d..b058f7cdbb 100644
--- a/packages/llm/token-meter/package.json
+++ b/packages/llm/token-meter/package.json
@@ -15,12 +15,17 @@
       "types": "./lib/types/invariant.d.ts",
       "default": "./lib/invariant.js"
     },
+    "./client": {
+      "types": "./lib/types/client.d.ts",
+      "default": "./lib/types/client.js"
+    },
     "./src/*": "./src/*",
     "./package.json": "./package.json"
   },
   "files": [
     "lib/index.js",
     "lib/invariant.js",
+    "lib/types/**/*.js",
     "lib/types/**/*.d.ts",
     "lib/types/**/*.d.ts.map",
     "src"
@@ -30,15 +35,18 @@
     "@deepseek-ai/dsh-invariants": "^0.0.1",
     "@deepseek-ai/dsh-llm": "^0.0.1",
     "@deepseek-ai/dsh-session": "^0.0.1",
+    "@deepseek-ai/dsh-session-projection": "^0.0.1",
     "cordis": "^4.0.0-rc.7"
   },
   "dependencies": {
-    "schemastery": "^3.18.0"
+    "schemastery": "^3.18.0",
+    "zod": "^4.4.3"
   },
   "devDependencies": {
     "@deepseek-ai/dsh-invariants": "workspace:^",
     "@deepseek-ai/dsh-llm": "workspace:^",
     "@deepseek-ai/dsh-session": "workspace:^",
+    "@deepseek-ai/dsh-session-projection": "workspace:^",
     "cordis": "^4.0.0-rc.7"
   }
 }
diff --git a/packages/llm/token-meter/src/client.ts b/packages/llm/token-meter/src/client.ts
new file mode 100644
index 0000000000..1bc02e3073
--- /dev/null
+++ b/packages/llm/token-meter/src/client.ts
@@ -0,0 +1,7 @@
+/**
+ * Client-namespace projection of token-meter's browser-safe types.
+ *
+ * @module @deepseek-ai/dsh-token-meter/client
+ */
+
+export type * from './projection.ts'
diff --git a/packages/llm/token-meter/src/index.ts b/packages/llm/token-meter/src/index.ts
index 644fdd3857..1300343e99 100644
--- a/packages/llm/token-meter/src/index.ts
+++ b/packages/llm/token-meter/src/index.ts
@@ -10,12 +10,15 @@ import { BlockAssembler, deepFreeze } from '@deepseek-ai/dsh-llm'
 import type { ContentBlock, Message, TokenUsage } from '@deepseek-ai/dsh-llm'
 import type { EpochHeader, Session, SessionEvent, SurfaceEvent } from '@deepseek-ai/dsh-session'
 import { canonicalHeader, headerEquals, isSurfaceEvent } from '@deepseek-ai/dsh-session'
+// Type-only: resolves the optional projection registry Context seam.
+import type {} from '@deepseek-ai/dsh-session-projection'
 import type {
   TokenMeasurement,
   TokenMeasurementBaseline,
   TokenMeterConfig,
   TokenSurfaceNode,
 } from './types.ts'
+import { contextPressureProjectionDefinition, tokenUsageProjectionDefinition } from './usage-projection.ts'
 
 export type * from './types.ts'
 
@@ -90,6 +93,13 @@ export class TokenMeterService extends Service {
     super(ctx, 'tokenMeter')
     validateConfigKeys(config)
 
+    // Projection registration is an optional child: headless and TUI
+    // compositions without the generic registry keep the meter's old shape.
+    ctx.inject(['sessionProjections'], (projectionCtx) => {
+      projectionCtx.sessionProjections.register(tokenUsageProjectionDefinition)
+      projectionCtx.sessionProjections.register(contextPressureProjectionDefinition)
+    })
+
     // Readers catch up independently, while eager observation bounds ordinary
     // read latency without creating state for sessions no consumer has read.
     ctx.on('session/event', (session) => {
diff --git a/packages/llm/token-meter/src/invariant.ts b/packages/llm/token-meter/src/invariant.ts
index b8f0cc385a..e0bbe268e1 100644
--- a/packages/llm/token-meter/src/invariant.ts
+++ b/packages/llm/token-meter/src/invariant.ts
@@ -15,8 +15,11 @@ export const name = 'token-meter-invariant'
 export const inject = ['invariants']
 
 /**
- * No runtime invariant: token estimates are per-call outputs and the private session cache is
- * invalidated at its event mutation boundary; neither exposes an independent observation stream.
+ * No runtime invariant: token estimates are per-call outputs and the private
+ * session cache is invalidated at its event mutation boundary. The package's
+ * projection does expose an observation stream, but its schema fixes the JSON
+ * payload and its pure fold replaces same-step samples; totals need not be
+ * monotone when a final usage sample corrects an earlier chunk.
  */
 const install: InvariantInstaller = () => {}
 
diff --git a/packages/llm/token-meter/src/projection.ts b/packages/llm/token-meter/src/projection.ts
new file mode 100644
index 0000000000..2740b4954f
--- /dev/null
+++ b/packages/llm/token-meter/src/projection.ts
@@ -0,0 +1,50 @@
+/**
+ * Pure client-safe token-projection vocabulary.
+ *
+ * @module @deepseek-ai/dsh-token-meter/projection
+ */
+
+/**
+ * Durable cumulative provider usage for a complete session log.
+ *
+ * The four buckets are disjoint. In particular, reasoning tokens are already
+ * included in `outputTokens` and are not accumulated again.
+ */
+export interface TokenUsageProjection {
+  uncachedInputTokens: number
+  outputTokens: number
+  cacheReadTokens: number
+  cacheWriteTokens: number
+}
+
+/**
+ * Approximate context occupancy for a status display.
+ *
+ * The two fields, when present, are deliberately NOT one atomic request
+ * observation: `pressureTokens` is the newest provider-reported prompt size,
+ * `contextWindow` the newest recorded route capacity. Switching models can
+ * therefore pair a fresh capacity with the previous route's pressure until the
+ * next request reports usage. This is an intentional trade — the value is a
+ * user-facing reference, not a billing or gating input — and it matches how
+ * the TUI status line has always computed occupancy. See the token-meter
+ * README for the full rationale.
+ */
+export interface ContextPressureProjection {
+  /**
+   * Provider-reported prompt size of the most recent request: uncached input
+   * plus cache reads and writes. Response output is excluded, so this does not
+   * grow as the current turn streams. Absent until a provider reports usage.
+   */
+  pressureTokens?: number
+  /** Newest recorded route capacity; absent when no adapter advertised one. */
+  contextWindow?: number
+}
+
+declare module '@deepseek-ai/dsh-session-projection/types' {
+  interface SessionProjectionMap {
+    /** Provider-reported usage accumulated across the complete durable log. */
+    tokenUsage: TokenUsageProjection
+    /** Newest request pressure paired with the newest known route capacity. */
+    contextPressure: ContextPressureProjection
+  }
+}
diff --git a/packages/llm/token-meter/src/types.ts b/packages/llm/token-meter/src/types.ts
index 255425b639..be94993f35 100644
--- a/packages/llm/token-meter/src/types.ts
+++ b/packages/llm/token-meter/src/types.ts
@@ -6,6 +6,8 @@
 
 import type { TokenUsage } from '@deepseek-ai/dsh-llm'
 
+export type { ContextPressureProjection, TokenUsageProjection } from './projection.ts'
+
 /** Token-meter plugin configuration; the fixed estimator has no settings. */
 export type TokenMeterConfig = Record<string, never>
 
diff --git a/packages/llm/token-meter/src/usage-projection.ts b/packages/llm/token-meter/src/usage-projection.ts
new file mode 100644
index 0000000000..302485da8e
--- /dev/null
+++ b/packages/llm/token-meter/src/usage-projection.ts
@@ -0,0 +1,153 @@
+/**
+ * Pure folds for durable provider-reported token usage and context occupancy.
+ */
+
+import { z } from 'zod'
+import type { TokenUsage } from '@deepseek-ai/dsh-llm'
+import type { ProjectionDefinition } from '@deepseek-ai/dsh-session-projection'
+import type { ContextPressureProjection, TokenUsageProjection } from './projection.ts'
+
+interface UsageSample {
+  turn: number
+  step: number
+  buckets: TokenUsageProjection
+}
+
+interface TokenUsageState {
+  totals: TokenUsageProjection
+  last: UsageSample | null
+}
+
+const zeroBuckets = (): TokenUsageProjection => ({
+  uncachedInputTokens: 0,
+  outputTokens: 0,
+  cacheReadTokens: 0,
+  cacheWriteTokens: 0,
+})
+
+const bucketsFrom = (usage: TokenUsage): TokenUsageProjection => ({
+  uncachedInputTokens: usage.inputTokens,
+  outputTokens: usage.outputTokens,
+  cacheReadTokens: usage.cacheReadTokens ?? 0,
+  cacheWriteTokens: usage.cacheWriteTokens ?? 0,
+})
+
+const bucketsEqual = (left: TokenUsageProjection, right: TokenUsageProjection): boolean =>
+  left.uncachedInputTokens === right.uncachedInputTokens
+  && left.outputTokens === right.outputTokens
+  && left.cacheReadTokens === right.cacheReadTokens
+  && left.cacheWriteTokens === right.cacheWriteTokens
+
+const addReplacing = (
+  totals: TokenUsageProjection,
+  previous: TokenUsageProjection | undefined,
+  next: TokenUsageProjection,
+): TokenUsageProjection => ({
+  uncachedInputTokens: totals.uncachedInputTokens - (previous?.uncachedInputTokens ?? 0) + next.uncachedInputTokens,
+  outputTokens: totals.outputTokens - (previous?.outputTokens ?? 0) + next.outputTokens,
+  cacheReadTokens: totals.cacheReadTokens - (previous?.cacheReadTokens ?? 0) + next.cacheReadTokens,
+  cacheWriteTokens: totals.cacheWriteTokens - (previous?.cacheWriteTokens ?? 0) + next.cacheWriteTokens,
+})
+
+const projectionSchema = z.object({
+  uncachedInputTokens: z.number().int().nonnegative(),
+  outputTokens: z.number().int().nonnegative(),
+  cacheReadTokens: z.number().int().nonnegative(),
+  cacheWriteTokens: z.number().int().nonnegative(),
+}).strict()
+
+// Cast for the optional values: under exactOptionalPropertyTypes zod infers
+// `number | undefined` where the interface declares absent-or-number fields.
+const pressureSchema = z.object({
+  pressureTokens: z.number().int().nonnegative().optional(),
+  contextWindow: z.number().int().positive().optional(),
+}).strict() as unknown as z.ZodType<ContextPressureProjection>
+
+/** Prompt-side pressure of one request: input plus cache traffic, no output. */
+const pressureFrom = (usage: TokenUsage): number =>
+  usage.inputTokens + (usage.cacheReadTokens ?? 0) + (usage.cacheWriteTokens ?? 0)
+
+/**
+ * Token-meter's session projection unit.
+ *
+ * Usage chunks provide an early sample that survives a later request failure;
+ * an assistant message provides the final sample for the same turn/step. A
+ * repeated sample replaces that step's earlier value instead of double
+ * counting it. The single `last` slot relies on the session-log invariant
+ * that usage reports for one turn/step are adjacent: once a later step begins,
+ * a legal log never reports usage for an earlier step again.
+ */
+export const tokenUsageProjectionDefinition:
+ProjectionDefinition<'tokenUsage', TokenUsageState> = {
+  key: 'tokenUsage',
+  schema: projectionSchema,
+  init: () => ({ totals: zeroBuckets(), last: null }),
+  apply: (state, event) => {
+    let turn: number
+    let step: number
+    let usage: TokenUsage
+    if (event.type === 'assistant/chunk' && event.data.chunk.type === 'usage') {
+      ;({ turn, step } = event.data)
+      usage = event.data.chunk.usage
+    } else if (event.type === 'assistant/message' && event.data.usage !== undefined) {
+      ;({ turn, step, usage } = event.data)
+    } else {
+      return state
+    }
+
+    const buckets = bucketsFrom(usage)
+    const previous = state.last !== null
+      && state.last.turn === turn
+      && state.last.step === step
+      ? state.last.buckets
+      : undefined
+    if (previous !== undefined && bucketsEqual(previous, buckets)) return state
+
+    return {
+      totals: addReplacing(state.totals, previous, buckets),
+      last: { turn, step, buckets },
+    }
+  },
+  view: state => state.totals,
+  stateVersion: 1,
+}
+
+/**
+ * Token-meter's context-occupancy projection unit.
+ *
+ * Two independent last-wins slots: the newest usage sample supplies the
+ * numerator, the newest `request/context` record the denominator. Both are
+ * whole values, so replay order alone decides the result and no cross-field
+ * consistency is claimed — the pair is explicitly not one atomic request
+ * observation (see {@link ContextPressureProjection}).
+ *
+ * The numerator is prompt-side only, so it holds still while a turn streams
+ * and steps forward once the next request reports its usage.
+ */
+export const contextPressureProjectionDefinition:
+ProjectionDefinition<'contextPressure', ContextPressureProjection> = {
+  key: 'contextPressure',
+  schema: pressureSchema,
+  init: () => ({}),
+  apply: (state, event) => {
+    if (event.type === 'request/context') {
+      const contextWindow = event.data.contextWindow
+      if (contextWindow === state.contextWindow) return state
+      if (contextWindow !== undefined) return { ...state, contextWindow }
+      const { contextWindow: _removed, ...withoutContextWindow } = state
+      return withoutContextWindow
+    }
+    const usage = event.type === 'assistant/chunk' && event.data.chunk.type === 'usage'
+      ? event.data.chunk.usage
+      : event.type === 'assistant/message'
+        ? event.data.usage
+        : undefined
+    if (usage === undefined) return state
+    const pressureTokens = pressureFrom(usage)
+    return pressureTokens === state.pressureTokens
+      ? state
+      : { ...state, pressureTokens }
+  },
+  view: state => state,
+  stateVersion: 2,
+}
diff --git a/packages/llm/token-meter/tests/token-usage-projection.spec.ts b/packages/llm/token-meter/tests/token-usage-projection.spec.ts
new file mode 100644
index 0000000000..4079916a8c
--- /dev/null
+++ b/packages/llm/token-meter/tests/token-usage-projection.spec.ts
@@ -0,0 +1,333 @@
+import { describe, expect, it } from 'vitest'
+import { Context } from 'cordis'
+import { createMessage, createUserMessage } from '@deepseek-ai/dsh-llm'
+import type { TokenUsage } from '@deepseek-ai/dsh-llm'
+import SessionStore from '@deepseek-ai/dsh-session'
+import type { Session } from '@deepseek-ai/dsh-session'
+import SessionProjectionRegistry from '@deepseek-ai/dsh-session-projection'
+import TokenMeterService from '@deepseek-ai/dsh-token-meter'
+import type { ContextPressureProjection, TokenUsageProjection } from '@deepseek-ai/dsh-token-meter/client'
+
+const ZERO: TokenUsageProjection = {
+  uncachedInputTokens: 0,
+  outputTokens: 0,
+  cacheReadTokens: 0,
+  cacheWriteTokens: 0,
+}
+
+async function harness(): Promise<{
+  ctx: Context
+  session: Session
+  meterFiber: Awaited<ReturnType<Context['plugin']>>
+}> {
+  const ctx = new Context()
+  await ctx.plugin(SessionStore)
+  await ctx.plugin(SessionProjectionRegistry)
+  const meterFiber = await ctx.plugin(TokenMeterService)
+  return { ctx, session: ctx.sessions.create(), meterFiber }
+}
+
+function startStep(session: Session, turn: number, step: number): void {
+  session.append('step/start', { turn, step })
+}
+
+function usageChunk(
+  session: Session,
+  usage: TokenUsage,
+  turn: number,
+  step: number,
+): number {
+  return session.append('assistant/chunk', {
+    turn,
+    step,
+    chunk: { type: 'usage', usage },
+  }).seq
+}
+
+function finalUsage(
+  session: Session,
+  usage: TokenUsage,
+  turn: number,
+  step: number,
+  sourceSeqs: number[],
+): void {
+  session.append('assistant/message', {
+    turn,
+    step,
+    message: createMessage({
+      role: 'assistant',
+      content: [],
+      source: { kind: 'model', provider: 'mock', model: 'mock' },
+    }),
+    usage,
+  }, { surfaceOp: 'append', sourceEventSeqs: sourceSeqs })
+  session.append('step/end', { turn, step })
+}
+
+const projected = (ctx: Context, session: Session): TokenUsageProjection => {
+  const value = ctx.sessionProjections.snapshot(session).values.tokenUsage
+  if (value === undefined) throw new Error('tokenUsage projection is not registered')
+  return value
+}
+
+describe('tokenUsage session projection', () => {
+  it('serves zero buckets for an empty log', async () => {
+    const { ctx, session } = await harness()
+    expect(projected(ctx, session)).toEqual(ZERO)
+  })
+
+  it('does not count a usage chunk and identical final usage twice', async () => {
+    const { ctx, session } = await harness()
+    const changes: unknown[] = []
+    ctx.sessionProjections.onChanged((_session, key, value) => {
+      if (key === 'tokenUsage') changes.push(value)
+    })
+    const usage = {
+      inputTokens: 10,
+      outputTokens: 4,
+      cacheReadTokens: 7,
+      cacheWriteTokens: 2,
+      reasoningTokens: 3,
+    }
+    startStep(session, 1, 1)
+    const source = usageChunk(session, usage, 1, 1)
+    finalUsage(session, usage, 1, 1, [source])
+
+    expect(projected(ctx, session)).toEqual({
+      uncachedInputTokens: 10,
+      outputTokens: 4,
+      cacheReadTokens: 7,
+      cacheWriteTokens: 2,
+    })
+    expect(changes).toHaveLength(1)
+  })
+
+  it('replaces an earlier same-step chunk sample with the final usage', async () => {
+    const { ctx, session } = await harness()
+    startStep(session, 1, 1)
+    const source = usageChunk(session, {
+      inputTokens: 10,
+      outputTokens: 2,
+      cacheReadTokens: 3,
+    }, 1, 1)
+    finalUsage(session, {
+      inputTokens: 14,
+      outputTokens: 5,
+      cacheReadTokens: 8,
+      cacheWriteTokens: 1,
+    }, 1, 1, [source])
+
+    expect(projected(ctx, session)).toEqual({
+      uncachedInputTokens: 14,
+      outputTokens: 5,
+      cacheReadTokens: 8,
+      cacheWriteTokens: 1,
+    })
+  })
+
+  it('accumulates disjoint buckets across steps without adding reasoning twice', async () => {
+    const { ctx, session } = await harness()
+    startStep(session, 1, 1)
+    const first = usageChunk(session, {
+      inputTokens: 10,
+      outputTokens: 6,
+      reasoningTokens: 5,
+      cacheReadTokens: 2,
+    }, 1, 1)
+    finalUsage(session, {
+      inputTokens: 10,
+      outputTokens: 6,
+      reasoningTokens: 5,
+      cacheReadTokens: 2,
+    }, 1, 1, [first])
+    startStep(session, 1, 2)
+    const second = usageChunk(session, {
+      inputTokens: 20,
+      outputTokens: 9,
+      reasoningTokens: 7,
+      cacheWriteTokens: 4,
+    }, 1, 2)
+    finalUsage(session, {
+      inputTokens: 20,
+      outputTokens: 9,
+      reasoningTokens: 7,
+      cacheWriteTokens: 4,
+    }, 1, 2, [second])
+
+    expect(projected(ctx, session)).toEqual({
+      uncachedInputTokens: 30,
+      outputTokens: 15,
+      cacheReadTokens: 2,
+      cacheWriteTokens: 4,
+    })
+  })
+
+  it('retains a usage chunk when the request produces no final assistant message', async () => {
+    const { ctx, session } = await harness()
+    startStep(session, 1, 1)
+    usageChunk(session, { inputTokens: 9, outputTokens: 1 }, 1, 1)
+    session.append('step/end', { turn: 1, step: 1 })
+    expect(projected(ctx, session)).toEqual({
+      uncachedInputTokens: 9,
+      outputTokens: 1,
+      cacheReadTokens: 0,
+      cacheWriteTokens: 0,
+    })
+  })
+
+  it('does not erase historical billing when the visible surface is replaced', async () => {
+    const { ctx, session } = await harness()
+    startStep(session, 1, 1)
+    const source = usageChunk(session, { inputTokens: 12, outputTokens: 3 }, 1, 1)
+    finalUsage(session, { inputTokens: 12, outputTokens: 3 }, 1, 1, [source])
+    const before = session.append('user/message', createUserMessage({
+      content: [{ type: 'text', text: 'before compaction' }],
+      source: { kind: 'user' },
+    }), { surfaceOp: 'append' })
+    session.append('user/message', createUserMessage({
+      content: [{ type: 'text', text: 'compacted' }],
+      source: { kind: 'plugin', plugin: 'test' },
+    }), {
+      surfaceOp: { op: 'replace', start: before.seq, end: before.seq },
+      sourceEventSeqs: [before.seq],
+    })
+
+    expect(projected(ctx, session)).toEqual({
+      uncachedInputTokens: 12,
+      outputTokens: 3,
+      cacheReadTokens: 0,
+      cacheWriteTokens: 0,
+    })
+  })
+
+  it('unregisters with the token-meter fiber and restores from a JSON checkpoint', async () => {
+    const { ctx, session, meterFiber } = await harness()
+    startStep(session, 1, 1)
+    usageChunk(session, { inputTokens: 8, outputTokens: 2, cacheReadTokens: 5 }, 1, 1)
+    const checkpoint = JSON.parse(JSON.stringify(
+      ctx.sessionProjections.checkpoint(session),
+    )) as ReturnType<typeof ctx.sessionProjections.checkpoint>
+
+    await meterFiber.dispose()
+    expect(ctx.sessionProjections.snapshot(session).values).not.toHaveProperty('tokenUsage')
+
+    await ctx.plugin(TokenMeterService)
+    expect(ctx.sessionProjections.viewCheckpoint(checkpoint).tokenUsage).toEqual({
+      uncachedInputTokens: 8,
+      outputTokens: 2,
+      cacheReadTokens: 5,
+      cacheWriteTokens: 0,
+    })
+  })
+})
+
+const pressure = (ctx: Context, session: Session): ContextPressureProjection => {
+  const value = ctx.sessionProjections.snapshot(session).values.contextPressure
+  if (value === undefined) throw new Error('contextPressure projection is not registered')
+  return value
+}
+
+function recordContext(session: Session, model: string, contextWindow?: number): void {
+  session.append('request/context', {
+    provider: 'mock',
+    model,
+    ...contextWindow === undefined ? {} : { contextWindow },
+  })
+}
+
+describe('contextPressure session projection', () => {
+  it('serves no pressure or capacity for an empty log', async () => {
+    const { ctx, session } = await harness()
+    expect(pressure(ctx, session)).toEqual({})
+  })
+
+  it('does not synthesize zero pressure before a provider usage sample', async () => {
+    const { ctx, session } = await harness()
+    startStep(session, 1, 1)
+    recordContext(session, 'small', 64_000)
+    expect(pressure(ctx, session)).toEqual({ contextWindow: 64_000 })
+  })
+
+  it('sums prompt-side buckets and excludes response output', async () => {
+    const { ctx, session } = await harness()
+    startStep(session, 1, 1)
+    usageChunk(session, {
+      inputTokens: 100,
+      outputTokens: 4_000,
+      cacheReadTokens: 20,
+      cacheWriteTokens: 5,
+    }, 1, 1)
+    // Output is deliberately absent: occupancy describes the prompt that was
+    // sent, so it holds still while the response streams.
+    expect(pressure(ctx, session).pressureTokens).toBe(125)
+  })
+
+  it('replaces pressure with the newest request rather than accumulating', async () => {
+    const { ctx, session } = await harness()
+    startStep(session, 1, 1)
+    const first = usageChunk(session, { inputTokens: 100, outputTokens: 10 }, 1, 1)
+    finalUsage(session, { inputTokens: 100, outputTokens: 10 }, 1, 1, [first])
+    startStep(session, 2, 1)
+    usageChunk(session, { inputTokens: 250, outputTokens: 10 }, 2, 1)
+    expect(pressure(ctx, session).pressureTokens).toBe(250)
+  })
+
+  it('carries the newest recorded capacity and replaces it on a model switch', async () => {
+    const { ctx, session } = await harness()
+    startStep(session, 1, 1)
+    recordContext(session, 'small', 64_000)
+    usageChunk(session, { inputTokens: 100, outputTokens: 10 }, 1, 1)
+    expect(pressure(ctx, session)).toEqual({ pressureTokens: 100, contextWindow: 64_000 })
+    recordContext(session, 'large', 256_000)
+    expect(pressure(ctx, session)).toEqual({ pressureTokens: 100, contextWindow: 256_000 })
+  })
+
+  it('removes an older capacity when the newest route advertises none', async () => {
+    const { ctx, session } = await harness()
+    startStep(session, 1, 1)
+    recordContext(session, 'small', 64_000)
+    usageChunk(session, { inputTokens: 100, outputTokens: 10 }, 1, 1)
+    recordContext(session, 'unknown')
+    expect(pressure(ctx, session)).toEqual({ pressureTokens: 100 })
+  })
+
+  it('pushes no change for unrelated events or a restated capacity', async () => {
+    // The registry gates its change feed on Object.is, so a unit that rebuilt
+    // state for an event it does not care about would push phantom updates.
+    const { ctx, session } = await harness()
+    startStep(session, 1, 1)
+    recordContext(session, 'small', 64_000)
+    usageChunk(session, { inputTokens: 100, outputTokens: 10 }, 1, 1)
+    const changed: string[] = []
+    ctx.sessionProjections.onChanged((_session, key) => { changed.push(key) })
+
+    session.append('todo/write', { todos: [] })
+    expect(changed).not.toContain('contextPressure')
+    // A repeated capacity record for the same window is also a no-op.
+    recordContext(session, 'small', 64_000)
+    expect(changed).not.toContain('contextPressure')
+    // A real capacity change still reports.
+    recordContext(session, 'large', 256_000)
+    expect(changed).toContain('contextPressure')
+  })
+
+  it('restores from a JSON checkpoint and unregisters with the token-meter fiber', async () => {
+    const { ctx, session, meterFiber } = await harness()
+    startStep(session, 1, 1)
+    recordContext(session, 'small', 64_000)
+    usageChunk(session, { inputTokens: 42, outputTokens: 2 }, 1, 1)
+    const checkpoint = JSON.parse(JSON.stringify(
+      ctx.sessionProjections.checkpoint(session),
+    )) as ReturnType<typeof ctx.sessionProjections.checkpoint>
+    expect(checkpoint.contextPressure?.ver).toBe(2)
+
+    await meterFiber.dispose()
+    expect(ctx.sessionProjections.snapshot(session).values).not.toHaveProperty('contextPressure')
+
+    await ctx.plugin(TokenMeterService)
+    expect(ctx.sessionProjections.viewCheckpoint(checkpoint).contextPressure).toEqual({
+      pressureTokens: 42,
+      contextWindow: 64_000,
+    })
+  })
+})
diff --git a/packages/llm/token-meter/tsconfig.json b/packages/llm/token-meter/tsconfig.json
index 481fad6e15..92081a860b 100644
--- a/packages/llm/token-meter/tsconfig.json
+++ b/packages/llm/token-meter/tsconfig.json
@@ -23,6 +23,9 @@
     {
       "path": "../../core/session"
     },
+    {
+      "path": "../../session-projection/session-projection"
+    },
     {
       "path": "../../support/invariants"
     }
diff --git a/packages/mcp/mcp-client/README.i18n.yaml b/packages/mcp/mcp-client/README.i18n.yaml
index 487742d907..9fa4504cca 100644
--- a/packages/mcp/mcp-client/README.i18n.yaml
+++ b/packages/mcp/mcp-client/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/mcp/mcp-client/README.md
-README.md: 82d974635cb35878d6f0365b1aa7a9745436240e
-README.zh.md: e687c620158955f954dcfebf682503225ee710de
+README.md: d7966595c68ff1ec4a288caf5d9fe4b0bf580cc5
+README.zh.md: eb9e0dbdb48423cc4bc698fda355e973e42bc7a3
diff --git a/packages/mcp/mcp-client/README.md b/packages/mcp/mcp-client/README.md
index 82d974635c..d7966595c6 100644
--- a/packages/mcp/mcp-client/README.md
+++ b/packages/mcp/mcp-client/README.md
@@ -61,7 +61,7 @@ Every MCP tool has two names: the raw MCP name (sent on the wire in `tools/call`
 - Tool execute: `client.callTool({ name: rawName, arguments }, { signal })` with timeout + abort support—the public name is never sent to the server.
 - Canonical success is `{ content: JsonValue[], structuredContent? }`; complete JSON MCP blocks survive for programmatic callers. A supported advertised `outputSchema` validates `structuredContent`; unsupported schema vocabulary falls back to unconstrained `JsonValue`.
 - Native/model rendering keeps the existing text projection: text blocks join with newlines while image, audio, resource, and unsupported blocks become placeholders.
-- On disconnect/crash: all tools are unregistered; no auto-reconnect.
+- On disconnect/crash: no auto-reconnect. Registered tools remain until plugin disposal or a successful re-sync, and calls can fail against the closed transport; reload with HMR or restart the Host to reconnect.
 
 ## Services consumed
 
@@ -103,6 +103,6 @@ Append-only; newly visible content follows the reusable request prefix and does
 
 - **Initial discovery is asynchronous** — plugin load does not wait for connection and `listTools()`, so a turn started immediately after boot or HMR can assemble before the MCP tools are registered.
 - **Tools are the only bridged MCP capability** — Resources and Prompts have no harness consumption surface and are deferred.
-- **Crash recovery is manual** — transport closure unregisters the server's tools, but reconnect requires an HMR reload or harness restart.
+- **Crash recovery is manual** — transport closure does not auto-reconnect; registered tools can remain visible but fail against the closed transport until an HMR reload or Host restart.
 - **Native non-text rendering is lossy** — image, audio, and resource payloads become placeholders in model context even though the execution-local canonical value preserves their JSON blocks. Richer Native multimedia projection is deferred.
 - **Unsupported MCP output schemas are not enforced** — `structuredContent` falls back to `JsonValue` when the advertised schema uses vocabulary outside the harness subset.
diff --git a/packages/mcp/mcp-client/README.zh.md b/packages/mcp/mcp-client/README.zh.md
index e687c62015..eb9e0dbdb4 100644
--- a/packages/mcp/mcp-client/README.zh.md
+++ b/packages/mcp/mcp-client/README.zh.md
@@ -61,7 +61,7 @@ MCP 客户端桥接插件：连接外部 [Model Context Protocol](https://modelc
 - 工具执行：`client.callTool({ name: rawName, arguments }, { signal })`，支持超时 + 中止；公开名称绝不会发给服务器。
 - 规范成功值是 `{ content: JsonValue[], structuredContent? }`；完整的 JSON MCP 块会保留给编程调用方。受支持且已声明的 `outputSchema` 会验证 `structuredContent`；不受支持的 schema 词汇会回退为不受约束的 `JsonValue`。
 - Native／模型渲染保留现有文本投影：文本块以换行连接，图片、音频、资源和不受支持的块会变成占位符。
-- 断开／崩溃时：注销所有工具；不自动重新连接。
+- 断开／崩溃时：不自动重新连接。已注册工具会一直保留到插件完成资源释放或成功重新同步，针对已关闭传输的调用可能失败；请通过 HMR 重新加载或重启 Host 来重新连接。
 
 ## 消费的服务
 
@@ -103,6 +103,6 @@ MCP 客户端桥接插件：连接外部 [Model Context Protocol](https://modelc
 
 - **初始发现是异步的**：插件加载不会等待连接和 `listTools()`，因此在启动或 HMR 后立即开始的轮次可能在 MCP 工具注册前完成组装。
 - **只桥接 MCP 的工具能力**：资源和提示词没有 harness 消费接口，暂缓实现。
-- **崩溃恢复需要手动触发**：传输关闭会注销服务器工具，但重新连接需要 HMR 重载或重启 harness。
+- **崩溃恢复需要手动触发**：传输关闭后不会自动重新连接；已注册工具可能仍然可见，但会因传输已关闭而调用失败，直到 HMR 重载或重启 Host。
 - **Native 非文本渲染有损**：图片、音频与资源载荷在模型上下文中会变成占位符，即使执行局部的规范值保留了其 JSON 块。更丰富的 Native 多媒体投影暂缓实现。
 - **不强制执行不受支持的 MCP 输出 schema**：已声明 schema 使用 harness 子集之外的词汇时，`structuredContent` 会回退到 `JsonValue`。
diff --git a/packages/pty/pty-local/README.i18n.yaml b/packages/pty/pty-local/README.i18n.yaml
index 97c0b693e3..48ae675425 100644
--- a/packages/pty/pty-local/README.i18n.yaml
+++ b/packages/pty/pty-local/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/pty/pty-local/README.md
-README.md: 6f243a6edf3ab8bc228cfda3f6b3b774dabadcbb
-README.zh.md: 0cf2981332fa41dab22a496de5ae302066fbdba8
+README.md: ba05495318127b63b3d2a6a60ec743e1ff1c5821
+README.zh.md: 81987ea0685d761507b535b7ed6eefa0888fbd54
diff --git a/packages/pty/pty-local/README.md b/packages/pty/pty-local/README.md
index 6f243a6edf..ba05495318 100644
--- a/packages/pty/pty-local/README.md
+++ b/packages/pty/pty-local/README.md
@@ -6,7 +6,7 @@ Local Linux/macOS `node-pty` backend for `ctx.pty`; loading it on another platfo
 
 ## Plugin (`pty-local`)
 
-The plugin injects `pty`, `sandbox`, and `sandboxPolicy`, then registers the configured backend type (`shell`). `danger-full-access` starts the shell directly; confined modes wrap the exact shell argv through `ctx.sandbox`. The effective session mode is resolved at spawn. A change to a different effective mode is rejected before its `sandbox/mode` event commits while that owner has an open PTY or a spawn in progress; the fence is attached to the exact owner and therefore outlives a local-provider reload that retains existing sessions. Wait for creation to settle and close the sessions before changing modes, so a terminal opened with wider access cannot survive a downgrade.
+The plugin injects `pty`, `sandbox`, and `sandboxPolicy`, then registers the configured backend type (`shell`). `danger-full-access` starts the shell directly; confined modes wrap the exact shell argv through `ctx.sandbox`. At spawn, one `ctx.sandboxPolicy.resolve({ session })` call supplies both the effective mode and the session workspace root; the same root is the default shell cwd when the caller omits one. A change to a different effective mode is rejected before its `sandbox/mode` event commits while that owner has an open PTY or a spawn in progress; the fence is attached to the exact owner and therefore outlives a local-provider reload that retains existing sessions. Wait for creation to settle and close the sessions before changing modes, so a terminal opened with wider access cannot survive a downgrade.
 
 Linux readiness combines a foreground-verified private bash prompt marker, foreground-process-group syscall inspection, silence fallback, and absolute timeout. macOS uses the verified prompt marker plus silence/timeout because it has no `/proc` syscall surface. A marker is not ready until printable prompt text arrives, including when the OSC marker and `PS1` are split across data callbacks; when bash prints the marker before the kernel publishes its return to the foreground process group, polling retains the candidate for `handoffGraceMs` past the ordinary silence bound so a coincident handoff can win; that grace must cover at least one `pollIntervalMs` and is rejected at load otherwise. An interactive child that inherits `PROMPT_COMMAND` therefore cannot suppress inferred-idle readiness until the absolute timeout. Unrecognized or unreadable process state is never a positive exact-idle signal. A foreground group's stdin wait that already existed before a send is likewise not post-write readiness: the same group must be observed outside that wait before a later wait can settle the send, while a changed foreground group is new evidence. During unpublished startup, a fallback requires observed output; zero-output silence cannot publish an empty session, and timeout rejects the spawn. Cancellation closes the unpublished shell and rejects with the caller's exact abort reason even when its foreground process group is not observable yet; if that close fails, `PtyBackendCleanupError` separately preserves the cleanup failure for registry disposal. Incomplete terminal-control sequences are bounded by `maxReadBytes` and discarded through their terminator after crossing that limit; a trailing carriage return is carried across callbacks so split CRLF becomes one newline.
 
@@ -14,19 +14,19 @@ Send cancellation resolves the current foreground process group and delivers a r
 
 ## Model Experience
 
-### Indirect consumer
+### Current file policy and indirect consumer
 
 #### What the model sees
 
-Nothing directly. Through `@deepseek-ai/dsh-tool-pty`, the model may receive bounded MOTD, send deltas, scrollback pages, readiness reasons, and cleanup errors.
+The policy owner contributes capability-neutral `sandbox:policy` context. Through `@deepseek-ai/dsh-tool-pty` or another PTY consumer, the model may also receive bounded MOTD, send deltas, scrollback pages, readiness reasons, and cleanup errors.
 
 #### Token effect
 
-None until a consumer returns bounded backend output. Retained PTY scrollback is not placed in model history by this package.
+The current-policy clause is present while this backend is mounted. Retained PTY scrollback is not placed in model history until a consumer returns bounded output.
 
 #### KV Cache effect
 
-No direct invalidation; the consumer owns prompts, schemas, and appended results.
+A standing-policy change appends an owner-rendered superseding runtime-context snapshot after retained history; consumer results remain append-only.
 
 ## Known Limitations and Deferred Work
 
diff --git a/packages/pty/pty-local/README.zh.md b/packages/pty/pty-local/README.zh.md
index 0cf2981332..81987ea068 100644
--- a/packages/pty/pty-local/README.zh.md
+++ b/packages/pty/pty-local/README.zh.md
@@ -6,7 +6,7 @@
 
 ## 插件（`pty-local`）
 
-该插件注入 `pty`、`sandbox` 和 `sandboxPolicy`，然后注册所配置的后端类型（`shell`）。`danger-full-access` 会直接启动 shell；受限模式则通过 `ctx.sandbox` 包装确切的 shell argv。系统在 spawn 时解析会话的实际模式。当某个所有者存在开放的 PTY 或正在进行 spawn 时，如果配置变更会得到不同的实际模式，系统会在对应 `sandbox/mode` 事件提交前拒绝该变更。该限制绑定到确切所有者，因此即使本地提供方重新加载并保留现有会话，它仍然有效。更改模式前，请等待创建完成并关闭会话，避免以更宽权限打开的终端在权限降级后继续存在。
+该插件注入 `pty`、`sandbox` 和 `sandboxPolicy`，然后注册所配置的后端类型（`shell`）。`danger-full-access` 会直接启动 shell；受限模式则通过 `ctx.sandbox` 包装确切的 shell argv。Spawn 时，一次 `ctx.sandboxPolicy.resolve({ session })` 调用会同时给出实际模式与会话工作区根目录；调用方省略 cwd 时，同一根目录也是 shell 的默认 cwd。当某个所有者存在开放的 PTY 或正在进行 spawn 时，如果配置变更会得到不同的实际模式，系统会在对应 `sandbox/mode` 事件提交前拒绝该变更。该限制绑定到确切所有者，因此即使本地提供方重新加载并保留现有会话，它仍然有效。更改模式前，请等待创建完成并关闭会话，避免以更宽权限打开的终端在权限降级后继续存在。
 
 Linux 的就绪检测结合以下机制：由前台状态验证的私有 bash 提示符标记、前台进程组 syscall 检查、静默回退和绝对超时。macOS 没有 `/proc` syscall 接口，因此使用经过验证的提示符标记以及静默／超时。当可打印的提示符文本尚未到达时，即使 OSC 标记和 `PS1` 被拆到多个数据回调中，系统也不会把标记视为就绪。如果 bash 在内核发布其重新取得前台进程组的状态前打印标记，轮询会在普通静默上限之后再保留该候选状态 `handoffGraceMs`，使恰好同时发生的前台交接有机会胜出；该宽限至少要覆盖一个 `pollIntervalMs`，否则加载时即被拒绝。因此，继承 `PROMPT_COMMAND` 的交互式子进程无法一直抑制推断空闲就绪直至绝对超时。无法识别或读取的进程状态绝不会作为精确空闲的正向信号。同样，一次 send 之前就已存在的前台进程组 stdin 等待并不代表写入后就绪：必须先观察到同一进程组脱离该等待，之后再次进入等待才能使该次 send 完成；前台进程组发生变化则构成新的证据。尚未发布的启动过程中，回退路径要求已经观察到输出；零输出静默不能发布空会话，超时则拒绝 spawn。取消操作会关闭尚未发布的 shell，并以调用方提供的确切中止原因拒绝，即使当时还无法观察其前台进程组。如果关闭失败，`PtyBackendCleanupError` 会单独保留清理失败，供注册表 dispose（资源释放）时处理。未完成的终端控制序列受 `maxReadBytes` 限制；超过上限后，系统会丢弃内容直到其终止符。末尾的回车会跨回调保留，使拆分的 CRLF 合并为一个换行。
 
@@ -14,19 +14,19 @@ Linux 的就绪检测结合以下机制：由前台状态验证的私有 bash 
 
 ## 模型体验
 
-### 间接消费方
+### 当前文件策略与间接消费方
 
 #### 模型看到的内容
 
-没有直接可见内容。模型通过 `@deepseek-ai/dsh-tool-pty` 可能收到有界的 MOTD、发送增量、scrollback 页、就绪原因和清理错误。
+策略归属方会贡献与具体能力无关的 `sandbox:policy` 上下文。模型通过 `@deepseek-ai/dsh-tool-pty` 或其他 PTY 消费方还可能收到有界的 MOTD、发送增量、scrollback 页、就绪原因和清理错误。
 
 #### Token 影响
 
-消费方返回有界的后端输出前没有影响。此包（package）不会把保留的 PTY scrollback 放入模型历史。
+装载该后端期间，当前策略子句会一直存在。消费方返回有界输出前，保留的 PTY scrollback 不会进入模型历史。
 
 #### KV Cache 影响
 
-不会直接使 KV Cache 失效；提示词、schema 与追加结果由消费方负责。
+常驻策略发生变化时，会在保留的历史之后追加一份由归属方渲染、取代先前状态的运行时上下文快照；消费方结果保持仅追加。
 
 ## 已知限制与暂缓事项
 
diff --git a/packages/pty/pty-local/src/index.ts b/packages/pty/pty-local/src/index.ts
index d768d6bfa8..e59d53446a 100644
--- a/packages/pty/pty-local/src/index.ts
+++ b/packages/pty/pty-local/src/index.ts
@@ -12,7 +12,7 @@ import type { Session, SessionEvent } from '@deepseek-ai/dsh-session'
 import { PtyBackendCleanupError } from '@deepseek-ai/dsh-pty'
 import { scrubbedParentEnv } from '@deepseek-ai/dsh-subprocess'
 import type { PtyBackend, PtyBackendSpawnSpec } from '@deepseek-ai/dsh-pty'
-import type { SandboxMode } from '@deepseek-ai/dsh-sandbox'
+import type { SandboxExecutionPolicy } from '@deepseek-ai/dsh-sandbox'
 import { effectiveSandboxMode } from '@deepseek-ai/dsh-sandbox-policy'
 import { type Config, type ResolvedConfig, validateConfig } from './config.ts'
 import { createProcessInspector } from './process-inspector.ts'
@@ -71,14 +71,11 @@ function childEnvironment(spec: PtyBackendSpawnSpec): NodeJS.ProcessEnv {
   }
 }
 
-function spawnArgv(ctx: Context, config: ResolvedConfig, spec: PtyBackendSpawnSpec): string[] {
+function spawnArgv(ctx: Context, config: ResolvedConfig, policy: SandboxExecutionPolicy): string[] {
   const argv = [config.shellPath, ...config.shellArgs]
-  const mode: SandboxMode = effectiveSandboxMode(spec.owner.session.events) ?? ctx.sandboxPolicy.defaultMode
-  if (mode === 'danger-full-access') return argv
-  return ctx.sandbox.confine(argv, {
-    mode: mode,
-    workspaceRoot: ctx.sandboxPolicy.workspaceRoot,
-  }).argv
+  if (policy.mode === 'danger-full-access') return argv
+  // Re-state the discriminant because object spread does not preserve its narrowed type.
+  return ctx.sandbox.confine(argv, { ...policy, mode: policy.mode }).argv
 }
 
 /** Local shell backend registered under the configured type. */
@@ -102,14 +99,15 @@ export class LocalPtyBackend implements PtyBackend {
   async spawn(spec: PtyBackendSpawnSpec): Promise<LocalPtySession> {
     spec.signal?.throwIfAborted()
     ensureSandboxModeFence(this.ctx, spec.owner)
-    const argv = spawnArgv(this.ctx, this.config, spec)
+    const policy = this.ctx.sandboxPolicy.resolve({ session: spec.owner.session })
+    const argv = spawnArgv(this.ctx, this.config, policy)
     const file = argv[0]
     if (file === undefined) throw new Error('pty-local: sandbox returned empty argv')
     const options: IPtyForkOptions = {
       name: 'dumb',
       cols: this.config.cols,
       rows: this.config.rows,
-      cwd: spec.cwd ?? this.ctx.sandboxPolicy.workspaceRoot,
+      cwd: spec.cwd ?? policy.workspaceRoot,
       env: childEnvironment(spec),
     }
     const terminal = this.spawnTerminal(file, argv.slice(1), options)
diff --git a/packages/pty/pty-local/tests/index.spec.ts b/packages/pty/pty-local/tests/index.spec.ts
index 4030317f0e..0bb346067e 100644
--- a/packages/pty/pty-local/tests/index.spec.ts
+++ b/packages/pty/pty-local/tests/index.spec.ts
@@ -38,12 +38,14 @@ function config(): ResolvedConfig {
   }
 }
 
-function agent(ctx: Context): Agent {
+function agent(ctx: Context, cwd?: string): Agent {
   const id = SessionId('agent')
-  const session = new Session(id)
+  const session = new Session(id, undefined, { version: 0, id, createdAt: 0, ...cwd === undefined ? {} : { cwd } })
   return {
-    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx,
-    send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    status: 'idle', acceptsNextStep: false, ctx,
+    send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+    followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
   }
 }
 
@@ -126,10 +128,10 @@ describe('LocalPtyBackend startup rollback', () => {
     } satisfies Partial<PtyBackendCleanupError>))
   })
 
-  it('wraps confined argv, scrubs the environment, and returns initialized sessions', async () => {
+  it('resolves session mode and root together before wrapping the shell', async () => {
     const ctx = new Context()
     await ctx.plugin(RecordingSandbox)
-    await ctx.plugin(SandboxPolicyService, { mode: 'workspace-write', workspaceRoot: '/workspace' })
+    await ctx.plugin(SandboxPolicyService, { mode: 'read-only', workspaceRoot: '/deployment-fallback' })
     const terminal = {} as IPty
     let spawned: { file: string; args: string[]; options: IPtyForkOptions } | undefined
     const spawnTerminal = ((file: string, args: string[], options: IPtyForkOptions) => {
@@ -147,8 +149,10 @@ describe('LocalPtyBackend startup rollback', () => {
     )
     const previous = process.env.PTY_TEST_SECRET
     process.env.PTY_TEST_SECRET = 'must-not-leak'
+    const owner = agent(ctx, '/session-workspace')
+    setSandboxMode(owner.session, 'workspace-write')
     try {
-      expect(await backend.spawn({ ...spec(agent(ctx)), cwd: '/work' })).toBe(session)
+      expect(await backend.spawn(spec(owner))).toBe(session)
     } finally {
       if (previous === undefined) delete process.env.PTY_TEST_SECRET
       else process.env.PTY_TEST_SECRET = previous
@@ -158,7 +162,7 @@ describe('LocalPtyBackend startup rollback', () => {
       file: '/sandbox',
       args: ['--', '/bin/bash', '-i'],
       options: {
-        name: 'dumb', cols: 80, rows: 24, cwd: '/work',
+        name: 'dumb', cols: 80, rows: 24, cwd: '/session-workspace',
         env: {
           TERM: 'dumb', PAGER: 'cat', GIT_PAGER: 'cat', PS1: 'dsh> ', BASH_SILENCE_DEPRECATION_WARNING: '1',
           DSH_SHELL: '1', DSH_SESSION_ID: 'agent', DSH_PTY_SESSION_ID: 'pty-1',
@@ -167,6 +171,10 @@ describe('LocalPtyBackend startup rollback', () => {
     })
     expect(spawned?.options.env?.PTY_TEST_SECRET).toBeUndefined()
     expect(initialized).toHaveBeenCalledWith(undefined)
+    expect((ctx.sandbox as RecordingSandbox).calls).toEqual([{
+      argv: ['/bin/bash', '-i'],
+      policy: { mode: 'workspace-write', workspaceRoot: '/session-workspace' },
+    }])
   })
 
   it('composes the default local session around a spawned terminal', async () => {
@@ -249,8 +257,10 @@ describe('pty-local plugin shape', () => {
     const session = ctx.sessions.create(SessionId('mode-owner'))
     const ownerFiber = await ctx.plugin(() => {})
     const owner: Agent = {
-      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx: ownerFiber.ctx,
-      send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+      status: 'idle', acceptsNextStep: false, ctx: ownerFiber.ctx,
+      send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+      followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
     }
     ctx.agents.register(owner)
     const providerFiber = await registerStubLocalBackend(ctx, () => stubLocalSession())
@@ -292,8 +302,10 @@ describe('pty-local plugin shape', () => {
     const session = ctx.sessions.create(SessionId('pending-mode-owner'))
     const ownerFiber = await ctx.plugin(() => {})
     const owner: Agent = {
-      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx: ownerFiber.ctx,
-      send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+      status: 'idle', acceptsNextStep: false, ctx: ownerFiber.ctx,
+      send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+      followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
     }
     ctx.agents.register(owner)
     const gate = Promise.withResolvers<undefined>()
diff --git a/packages/pty/pty-local/tests/local.spec.ts b/packages/pty/pty-local/tests/local.spec.ts
index 57e412eac4..9bfcdbdbff 100644
--- a/packages/pty/pty-local/tests/local.spec.ts
+++ b/packages/pty/pty-local/tests/local.spec.ts
@@ -35,8 +35,10 @@ function stubAgent(ctx: Context, rawId: string): Agent {
   const scope = ctx.plugin(() => {})
   const session = new Session(id)
   return {
-    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx: scope.ctx,
-    send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    status: 'idle', acceptsNextStep: false, ctx: scope.ctx,
+    send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+    followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
   }
 }
 
diff --git a/packages/pty/pty/tests/service.spec.ts b/packages/pty/pty/tests/service.spec.ts
index 61e13dc9da..66f5d6561b 100644
--- a/packages/pty/pty/tests/service.spec.ts
+++ b/packages/pty/pty/tests/service.spec.ts
@@ -33,6 +33,8 @@ function stubAgent(ctx: Context, rawId: string): Agent {
     followup: () => {},
     steer: () => {},
     inject: () => {},
+    updateInbox: () => 'not-found',
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle: () => Promise.resolve(),
   }
diff --git a/packages/pty/tool-bash-persistent/tests/loader-composition.spec.ts b/packages/pty/tool-bash-persistent/tests/loader-composition.spec.ts
index 1df5ba20be..1b34a1aaaf 100644
--- a/packages/pty/tool-bash-persistent/tests/loader-composition.spec.ts
+++ b/packages/pty/tool-bash-persistent/tests/loader-composition.spec.ts
@@ -50,6 +50,8 @@ function agent(ctx: Context, cwd: string): Agent {
     followup: () => {},
     steer: () => {},
     inject: () => {},
+    updateInbox: () => 'not-found',
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle: () => Promise.resolve(),
   }
diff --git a/packages/pty/tool-bash-persistent/tests/tools.spec.ts b/packages/pty/tool-bash-persistent/tests/tools.spec.ts
index 757b1be347..a7979e7966 100644
--- a/packages/pty/tool-bash-persistent/tests/tools.spec.ts
+++ b/packages/pty/tool-bash-persistent/tests/tools.spec.ts
@@ -46,6 +46,8 @@ function agent(ctx: Context, cwd: string | undefined): Agent {
     followup: () => {},
     steer: () => {},
     inject: () => {},
+    updateInbox: () => 'not-found',
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle: () => Promise.resolve(),
   }
diff --git a/packages/pty/tool-pty/tests/loader-composition.spec.ts b/packages/pty/tool-pty/tests/loader-composition.spec.ts
index 37cd856746..b6278c00cd 100644
--- a/packages/pty/tool-pty/tests/loader-composition.spec.ts
+++ b/packages/pty/tool-pty/tests/loader-composition.spec.ts
@@ -40,8 +40,10 @@ function agent(ctx: Context): Agent {
   const id = SessionId('pty-loader-agent')
   const session = new Session(id)
   const value: Agent = {
-    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx: scope.ctx,
-    send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    status: 'idle', acceptsNextStep: false, ctx: scope.ctx,
+    send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+    followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
   }
   ctx.agents.register(value)
   return value
diff --git a/packages/pty/tool-pty/tests/tools.spec.ts b/packages/pty/tool-pty/tests/tools.spec.ts
index 6af2f6a14f..e76eaf54a7 100644
--- a/packages/pty/tool-pty/tests/tools.spec.ts
+++ b/packages/pty/tool-pty/tests/tools.spec.ts
@@ -18,8 +18,10 @@ function fakeAgent(ctx: Context, rawId: string): Agent {
   const id = SessionId(rawId)
   const session = new Session(id)
   const agent: Agent = {
-    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx: scope.ctx,
-    send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+    id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+    status: 'idle', acceptsNextStep: false, ctx: scope.ctx,
+    send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+    followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
   }
   ctx.agents.register(agent)
   return agent
diff --git a/packages/sandbox/sandbox-policy/README.i18n.yaml b/packages/sandbox/sandbox-policy/README.i18n.yaml
index b21c8d885a..0b626d5343 100644
--- a/packages/sandbox/sandbox-policy/README.i18n.yaml
+++ b/packages/sandbox/sandbox-policy/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/sandbox/sandbox-policy/README.md
-README.md: dca54330bc888af9ecac21aa92019d8a2b0140bd
-README.zh.md: a201d48c81f563fc3d85495e964bb67432517a3c
+README.md: b2512790c5cf5b3a06523cf91b50dd5d288b1522
+README.zh.md: dda98b7aa4775ac2453704295df87c3c92025093
diff --git a/packages/sandbox/sandbox-policy/README.md b/packages/sandbox/sandbox-policy/README.md
index dca54330bc..b2512790c5 100644
--- a/packages/sandbox/sandbox-policy/README.md
+++ b/packages/sandbox/sandbox-policy/README.md
@@ -2,11 +2,11 @@
 
 English | [中文](README.zh.md)
 
-The single owner of sandbox-policy resolution: the deployment's default [`SandboxMode`](../sandbox/README.md) and fallback root, plus each session's durable mode override and immutable workspace root. Every enforcing capability family receives one resolved mode-and-root policy per call.
+The single owner of sandbox-policy resolution: the deployment's default [`SandboxMode`](../sandbox/README.md) and fallback root, plus each session's durable mode override and immutable workspace root. Every enforcing capability receives one resolved mode-and-root policy per call; before each request, the model receives the current policy without a separate capability inventory.
 
 ## Why a shared home
 
-Two families enforce the same mode vocabulary: the sandboxed bash executor (`@deepseek-ai/dsh-bash-sandbox`) and the sandboxed filesystem provider (`@deepseek-ai/dsh-fs-sandbox`). If each resolved its own `mode` + `workspaceRoot`, the two could drift into a split world — bash confined to one root while fs fences another, exactly what [the sandbox RFC](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md) warns against. Both tool layers resolve policy through `ctx.sandboxPolicy`, and both enforcing backends consume that complete per-call result. The [cross-family fs sandbox RFC](../../../.agents/notes/implemented/feature/2026-07-14-cross-family-fs-sandbox.md) records the shared-policy decision.
+Filesystem tools, one-shot bash commands, and terminal sessions may enforce the same mode vocabulary in different combinations. If each resolved its own `mode` + `workspaceRoot`, they could drift into a split world, exactly what [the sandbox Agent Note](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md) warns against. Each enforcing backend consumes the complete owner-resolved policy, while the current context describes only what that policy means for any available operation the DSH file sandbox enforces. The [cross-family fs sandbox Agent Note](../../../.agents/notes/implemented/feature/2026-07-14-cross-family-fs-sandbox.md) records the shared-policy decision.
 
 ## Config
 
@@ -17,25 +17,53 @@ Two families enforce the same mode vocabulary: the sandboxed bash executor (`@de
 
 - `ctx.sandboxPolicy.resolve({ session?, mode? })` — resolves one complete per-call policy. An explicit approved mode outranks the session's last `sandbox/mode` event, which outranks `defaultMode`; the session's immutable `cwd` is canonicalized with filesystem semantics before becoming `workspaceRoot`, otherwise the configured fallback applies. Canonicalization precedes lexical normalization so `symlink/..` agrees with process working-directory resolution.
 - `ctx.sandboxPolicy.defaultMode` / `ctx.sandboxPolicy.workspaceRoot` — the deployment default and fallback root used by `resolve()`.
+- `sandbox:policy` — a request-time cache-safe context contribution derived directly from `resolve({ session })`. It states the mode's capability-neutral file-effect contract and the canonical session workspace under `workspace-write`; tool owners retain operation-specific denial and escalation guidance.
 - `effectiveSandboxMode(events)` — the pure fold of a session's `sandbox/mode` events (the last switch wins, or `undefined`), used inside `resolve()`.
 - `setSandboxMode(session, mode)` — THE write path for a per-session override: appends exactly one `sandbox/mode` event. The switch IS its event; nothing mutates the mode out of band.
 - `SANDBOX_MODES` — every mode, for option advertisement and runtime validation.
 
-The optional `./invariant` companion rejects a forged durable `sandbox/mode` event whose value falls outside that closed vocabulary; Session and its companion own the surrounding storage and core execution-enclosure rules.
+The optional `./invariant` companion rejects a forged durable `sandbox/mode` event whose value falls outside that closed vocabulary; Session and its companion own the surrounding storage and core execution-enclosure rules. The agent loop logs the assembled full runtime-context snapshot as a sourced `user/message`, so exact policy input remains reconstructable without an in-memory “last told” mirror.
 
 ## The per-session store
 
-A runtime switch is one log-only `sandbox/mode` event on the session it applies to. `effective = explicit grant ?? fold(events) ?? deployment default`, so an override survives restart by replay and two sessions never see each other's state. Workspace identity does not need another event: the immutable `SessionHeader.cwd` recorded at creation is the root for every call in that session. The event is log-only (the `approval/*` precedent): the model learns the mode from the enforcing tools' denial markers, never from the event.
+A runtime switch is one log-only `sandbox/mode` event on the session it applies to. `effective = explicit grant ?? fold(events) ?? deployment default`, so an override survives restart by replay and two sessions never see each other's state. Workspace identity does not need another event: the immutable `SessionHeader.cwd` recorded at creation is the root for every call in that session. The event stays log-only; before the next request, the owner contributes the current fact to the full runtime-context snapshot.
 
 ## Model Experience
 
-Indirectly, through `dsh-tool-bash` and `dsh-tool-fs`, which render the effective mode this service holds in their `[sandbox: …]` denial markers and escalation prompts; the `sandbox/mode` event itself never reaches the model.
+### Current file sandbox policy
+
+#### What the model sees
+
+One `sandbox:policy` contribution in the current runtime-context snapshot for every agent session. It does not enumerate mounted capabilities. Tool plugins retain operation and escalation guidance, approval policy contributes separately to the same snapshot, and plan guidance remains `dsh-plan-mode`'s system section.
+
+##### Read-only
+
+```markdown
+Current DSH file policy: read-only. Any available operation enforced by the DSH file sandbox cannot modify files in the standing mode. Do not refuse a required modification from this policy alone: try an available tool normally and follow any denial and escalation guidance it returns.
+```
+
+##### Workspace-write
+
+```markdown
+Current DSH file policy: workspace-write. Any available operation enforced by the DSH file sandbox may modify files under the session workspace: "<workspace root>". Some platform temporary areas may also be writable.
+```
+
+##### Danger-full-access
+
+```markdown
+Current DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations.
+```
+
+#### Token effect
+
+One concise durable context message on the first request and each effective policy change; unchanged requests add nothing. `workspace-write` carries only the canonical session workspace path; platform-specific temporary paths are summarized without adding host-dependent bytes.
 
 #### KV Cache effect
 
-No direct invalidation; the named consumers own any request-prefix changes, and the mode is deliberately absent from the prompt.
+The stable system prompt remains byte-identical across mode changes. A changed full context snapshot is appended after retained history, preserving the prior cached prefix; subsequent unchanged requests reuse that retained snapshot.
 
 ## Known Limitations and Deferred Work
 
 - **One primary workspace root per session** — policy resolves `SessionHeader.cwd`; extra writable roots are not part of `SandboxExecutionPolicy`.
 - **File-effect modes only** — `SandboxMode` governs file effects; network and process policy are outside its vocabulary, so no knob here restricts them.
+- **Temporary areas are deliberately summarized** — enforcing backends grant different platform temporary areas, which are selected after policy resolution and therefore cannot be enumerated truthfully in the current context.
diff --git a/packages/sandbox/sandbox-policy/README.zh.md b/packages/sandbox/sandbox-policy/README.zh.md
index a201d48c81..dda98b7aa4 100644
--- a/packages/sandbox/sandbox-policy/README.zh.md
+++ b/packages/sandbox/sandbox-policy/README.zh.md
@@ -2,11 +2,11 @@
 
 [English](README.md) | 中文
 
-沙箱策略解析的唯一归属位置：部署默认 [`SandboxMode`](../sandbox/README.md) 与回退根目录，加上每个会话的持久模式覆盖和不可变工作区根目录。每个强制执行策略的能力家族在每次调用时都会收到一项解析完成的模式与根目录策略。
+沙箱策略解析的唯一归属位置：部署默认 [`SandboxMode`](../sandbox/README.md) 与回退根目录，加上每个会话的持久模式覆盖和不可变工作区根目录。每项负责强制执行的能力在每次调用时都会收到一项解析完成的模式与根目录策略；模型在每次请求前会收到当前策略，而不会另收一份能力清单。
 
 ## 为何需要共享归属位置
 
-两个家族强制执行同一套模式词汇：沙箱化 bash 执行器（`@deepseek-ai/dsh-bash-sandbox`）与沙箱化文件系统提供方（`@deepseek-ai/dsh-fs-sandbox`）。如果两者各自解析 `mode` + `workspaceRoot`，就可能漂移成分裂世界：bash 限制在一个根目录，fs 却隔离另一个根目录，正是[沙箱 RFC](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md)所警告的情况。两个工具层都通过 `ctx.sandboxPolicy` 解析策略，两个强制执行后端也都消费完整的逐调用结果。[跨家族 fs 沙箱 RFC](../../../.agents/notes/implemented/feature/2026-07-14-cross-family-fs-sandbox.md)记录了共享策略决策。
+文件系统工具、一次性 bash 命令和终端会话可以用不同组合强制执行同一套模式词汇。如果各自解析 `mode` + `workspaceRoot`，就可能漂移成分裂世界，正是[沙箱 Agent Note](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md)所警告的情况。每个强制执行后端都会消费归属方解析出的完整策略，而当前上下文只说明该策略对于任何受 DSH 文件沙箱强制执行的可用操作有何含义。[跨家族 fs 沙箱 Agent Note](../../../.agents/notes/implemented/feature/2026-07-14-cross-family-fs-sandbox.md)记录了共享策略决策。
 
 ## 配置
 
@@ -17,25 +17,53 @@
 
 - `ctx.sandboxPolicy.resolve({ session?, mode? })`：解析一项完整的逐调用策略。显式批准的模式优先于会话最后一条 `sandbox/mode` 事件，后者又优先于 `defaultMode`；会话不可变的 `cwd` 会先按文件系统语义规范化，再成为 `workspaceRoot`，否则使用配置的回退值。规范化先于词法归一化，因此 `symlink/..` 与进程工作目录解析保持一致。
 - `ctx.sandboxPolicy.defaultMode`／`ctx.sandboxPolicy.workspaceRoot`：`resolve()` 使用的部署默认值与回退根目录。
+- `sandbox:policy`：直接派生自 `resolve({ session })` 的请求时缓存安全上下文贡献。它说明该模式中与具体能力无关的文件效果契约，以及 `workspace-write` 下规范化的会话工作区；工具归属方仍负责操作特定的拒绝与升权引导。
 - `effectiveSandboxMode(events)`：会话 `sandbox/mode` 事件的纯 fold（最后一次切换胜出，没有则为 `undefined`），在 `resolve()` 内使用。
 - `setSandboxMode(session, mode)`：逐会话覆盖的唯一写入路径：恰好追加一条 `sandbox/mode` 事件。切换本身就是事件；不会在带外修改模式。
 - `SANDBOX_MODES`：所有模式，用于选项展示与运行时验证。
 
-可选的 `./invariant` 配套组件会拒绝伪造的持久 `sandbox/mode` 事件，只要其值不在该封闭词汇中；Session 与其配套组件负责相关存储与核心执行封闭规则。
+可选的 `./invariant` 配套组件会拒绝伪造的持久 `sandbox/mode` 事件，只要其值不在该封闭词汇中；Session 与其配套组件负责相关存储与核心执行封闭规则。agent loop（智能体循环）会将组装后的完整运行时上下文快照记录为一条带来源的 `user/message`，因此无需内存中的「上次告知」镜像，也能重建确切的策略输入。
 
 ## 逐会话存储
 
-运行时切换是在对应会话日志中追加的一条 `sandbox/mode` 事件。`effective = explicit grant ?? fold(events) ?? deployment default`，因此覆盖会通过回放跨重启保留，两个会话也绝不会看到彼此状态。工作区标识无需另一条事件：创建时记录的不可变 `SessionHeader.cwd` 是该会话每次调用使用的根。该事件只进入日志（沿用 `approval/*` 先例）：模型通过强制执行工具的拒绝标记获知模式，绝不会从事件获知。
+运行时切换是在对应会话日志中追加的一条 `sandbox/mode` 事件。`effective = explicit grant ?? fold(events) ?? deployment default`，因此覆盖会通过回放跨重启保留，两个会话也绝不会看到彼此状态。工作区标识无需另一条事件：创建时记录的不可变 `SessionHeader.cwd` 是该会话每次调用使用的根。该事件仍只进入日志；在下一次请求前，归属方会将当前事实贡献给完整运行时上下文快照。
 
 ## 模型体验
 
-通过 `dsh-tool-bash` 和 `dsh-tool-fs` 间接影响；它们会在 `[sandbox: …]` 拒绝标记和升权提示词中渲染该服务持有的有效模式，`sandbox/mode` 事件本身绝不会到达模型。
+### 当前文件沙箱策略
+
+#### 模型看到的内容
+
+每个 agent 会话的当前运行时上下文快照中都有一项 `sandbox:policy` 贡献。它不枚举已装载的能力。工具插件继续负责操作与升级引导，批准策略单独贡献给同一份快照，计划引导仍由 `dsh-plan-mode` 的系统段落管理。
+
+##### 只读
+
+```markdown
+Current DSH file policy: read-only. Any available operation enforced by the DSH file sandbox cannot modify files in the standing mode. Do not refuse a required modification from this policy alone: try an available tool normally and follow any denial and escalation guidance it returns.
+```
+
+##### 工作区写入
+
+```markdown
+Current DSH file policy: workspace-write. Any available operation enforced by the DSH file sandbox may modify files under the session workspace: "<workspace root>". Some platform temporary areas may also be writable.
+```
+
+##### 完全访问
+
+```markdown
+Current DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations.
+```
+
+#### Token 影响
+
+首次请求和有效策略每次变化时增加一条简洁的持久上下文消息；未变化的请求不增加内容。`workspace-write` 只携带规范化的会话工作区路径；平台特定的临时路径会以摘要表述，不会加入依赖主机的字节。
 
 #### KV Cache 影响
 
-不会直接使 KV Cache 失效；请求前缀变更由上述消费方负责，且提示词有意不包含模式。
+模式切换时，稳定的系统提示词仍逐字节相同。变化后的完整上下文快照会追加到保留的历史之后，从而保留此前已缓存的前缀；后续未变化的请求会复用该保留快照。
 
 ## 已知限制与暂缓事项
 
 - **每个会话只有一个主要工作区根目录**：策略解析 `SessionHeader.cwd`；额外可写根目录不属于 `SandboxExecutionPolicy`。
 - **仅限文件操作模式**：`SandboxMode` 管控文件操作；网络和进程策略不在其词汇中，因此这里没有限制它们的旋钮。
+- **有意概述临时区域**：强制执行后端会授予不同的平台临时区域，这些区域在策略解析后才会选定，因此无法在当前上下文中如实枚举。
diff --git a/packages/sandbox/sandbox-policy/package.json b/packages/sandbox/sandbox-policy/package.json
index d5f9270ed1..6f516c222d 100644
--- a/packages/sandbox/sandbox-policy/package.json
+++ b/packages/sandbox/sandbox-policy/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@deepseek-ai/dsh-sandbox-policy",
-  "description": "Per-call sandbox policy resolver (ctx.sandboxPolicy): deployment fallbacks plus each session's mode and workspace root, shared by every enforcing capability family",
+  "description": "Per-call sandbox policy resolver and current model context: deployment fallbacks plus each session's mode and workspace root, shared by every enforcing capability family",
   "version": "0.0.1",
   "private": true,
   "type": "module",
@@ -27,18 +27,22 @@
   ],
   "license": "BSD-3-Clause",
   "peerDependencies": {
+    "@deepseek-ai/dsh-agent": "^0.0.1",
     "@deepseek-ai/dsh-invariants": "^0.0.1",
     "@deepseek-ai/dsh-sandbox": "^0.0.1",
     "@deepseek-ai/dsh-session": "^0.0.1",
+    "@deepseek-ai/dsh-system-prompt": "^0.0.1",
     "cordis": "^4.0.0-rc.7"
   },
   "dependencies": {
     "schemastery": "^3.18.0"
   },
   "devDependencies": {
+    "@deepseek-ai/dsh-agent": "workspace:^",
     "@deepseek-ai/dsh-invariants": "workspace:^",
     "@deepseek-ai/dsh-sandbox": "workspace:^",
     "@deepseek-ai/dsh-session": "workspace:^",
+    "@deepseek-ai/dsh-system-prompt": "workspace:^",
     "cordis": "^4.0.0-rc.7"
   }
 }
diff --git a/packages/sandbox/sandbox-policy/src/index.ts b/packages/sandbox/sandbox-policy/src/index.ts
index 1f5ba0bb00..4c87cbc8b3 100644
--- a/packages/sandbox/sandbox-policy/src/index.ts
+++ b/packages/sandbox/sandbox-policy/src/index.ts
@@ -3,13 +3,17 @@
  * deployment's sandbox fallbacks plus per-session resolution: the file-effect
  * {@link SandboxMode}, the `workspace-write` root, and the override kit (the
  * `sandbox/mode` event, its fold, and its write path, from `./session-mode.ts`).
+ * Before each agent request, the owner also contributes the resolved policy to
+ * the cache-safe runtime-context snapshot. The agent loop logs that snapshot as
+ * model history, so replay reconstructs the same mode and root the enforcing
+ * consumers resolve without rewriting the stable system prompt.
  *
- * Both enforcing capability families read the SAME policy here: the sandboxed
- * bash executor (`@deepseek-ai/dsh-bash-sandbox`) and the sandboxed filesystem
- * provider (`@deepseek-ai/dsh-fs-sandbox`) consume the SAME resolved per-call
- * policy, so bash and fs can never confine to different roots — the split
- * world the sandbox RFC warns about. The service reads session state once at
- * the tool boundary; executors and providers remain session-free.
+ * Enforcing filesystem, one-shot bash, and terminal backends read the SAME
+ * resolved policy here. The context describes that policy without inventorying
+ * capabilities, while each backend retains its own enforcement dialect and each
+ * tool owns its operation-specific denial and escalation guidance. The service
+ * reads session state once at each operation boundary; executors and providers
+ * remain session-free.
  *
  * @module @deepseek-ai/dsh-sandbox-policy
  */
@@ -17,8 +21,10 @@
 import { resolve as resolvePath } from 'node:path'
 import { Context, Service } from 'cordis'
 import z from 'schemastery'
+import type {} from '@deepseek-ai/dsh-agent'
 import { canonicalPath, type SandboxExecutionPolicy, type SandboxMode } from '@deepseek-ai/dsh-sandbox'
 import type { Session } from '@deepseek-ai/dsh-session'
+import type {} from '@deepseek-ai/dsh-system-prompt'
 import { effectiveSandboxMode } from './session-mode.ts'
 
 export { SANDBOX_MODES, effectiveSandboxMode, setSandboxMode } from './session-mode.ts'
@@ -28,6 +34,23 @@ function resolveWorkspaceRoot(path: string): string {
   return resolvePath(canonicalPath(path))
 }
 
+/** Render the policy without claiming which capabilities are mounted. */
+function renderPolicyContext(policy: SandboxExecutionPolicy): string {
+  switch (policy.mode) {
+    case 'read-only':
+      return 'Current DSH file policy: read-only. Any available operation enforced by the DSH file sandbox cannot modify files in the standing mode. Do not refuse a required modification from this policy alone: try an available tool normally and follow any denial and escalation guidance it returns.'
+    case 'workspace-write':
+      return `Current DSH file policy: workspace-write. Any available operation enforced by the DSH file sandbox may modify files under the session workspace: ${JSON.stringify(policy.workspaceRoot)}. Some platform temporary areas may also be writable.`
+    case 'danger-full-access':
+      return 'Current DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations.'
+    /* v8 ignore next 4 -- SandboxMode is a typed same-process closed union; this branch is only the static exhaustiveness guard. */
+    default: {
+      const mode: never = policy.mode
+      throw new Error(`unreachable sandbox mode: ${String(mode)}`)
+    }
+  }
+}
+
 declare module 'cordis' {
   interface Context {
     sandboxPolicy: SandboxPolicyService
@@ -61,9 +84,9 @@ export interface SandboxPolicyRequest {
 
 /**
  * The sandbox-policy service (`ctx.sandboxPolicy`). Owns the deployment
- * default mode and fallback workspace root. Tool layers call {@link resolve}
- * for each execution so a session's mode log and immutable cwd travel together
- * to every enforcing capability.
+ * default mode, fallback workspace root, and current request-time policy
+ * section. Tool layers call {@link resolve} for each execution so a session's
+ * mode log and immutable cwd travel together to every enforcing capability.
  */
 export class SandboxPolicyService extends Service {
   // Inline schema call: the config catalog walks `static Config` statically.
@@ -78,7 +101,6 @@ export class SandboxPolicyService extends Service {
   readonly defaultMode: SandboxMode
   /** The absolute `workspace-write` fallback root for calls without a session cwd. */
   readonly workspaceRoot: string
-
   constructor(ctx: Context, config: Config) {
     super(ctx, 'sandboxPolicy')
     // schemastery (static Config) already filled `mode`; the cast records that
@@ -86,6 +108,19 @@ export class SandboxPolicyService extends Service {
     // the process cwd is real branching, resolved absolute either way.
     this.defaultMode = config.mode as SandboxMode
     this.workspaceRoot = resolveWorkspaceRoot(config.workspaceRoot ?? process.cwd())
+
+    ctx.inject(['systemPrompt'], (scope: Context) => {
+      scope.systemPrompt.context({
+        name: 'sandbox:policy',
+        order: 110,
+        text: (context) => {
+          const session = context.agent?.session
+          return session === undefined
+            ? ''
+            : renderPolicyContext(this.resolve({ session }))
+        },
+      })
+    })
   }
 
   /**
diff --git a/packages/sandbox/sandbox-policy/src/session-mode.ts b/packages/sandbox/sandbox-policy/src/session-mode.ts
index b4cd085859..fc7c53938c 100644
--- a/packages/sandbox/sandbox-policy/src/session-mode.ts
+++ b/packages/sandbox/sandbox-policy/src/session-mode.ts
@@ -5,11 +5,11 @@
  * `effective = fold(events) ?? the deployment default`, so an override
  * survives restart by replay, two sessions can never see each other's state,
  * and there is no external config store. The event is log-only (the
- * `approval/*` precedent): the model learns the mode from the boundary
- * markers in the enforcing tools, never from the event itself. EXECUTION
- * honors the fold through `ctx.sandboxPolicy.resolve()` — it stamps the mode
- * together with the calling session's workspace root onto each capability
- * call, weakest-precedence beneath an escalation grant.
+ * `approval/*` precedent): the policy owner projects the fold into each model
+ * request, while enforcing tools report operation-specific boundary markers.
+ * EXECUTION honors the same fold through `ctx.sandboxPolicy.resolve()` — it
+ * stamps the mode together with the calling session's workspace root onto each
+ * capability call, weakest-precedence beneath an escalation grant.
  *
  * The override is policy state shared by every enforcing family (bash and
  * filesystem alike), so it lives here in the policy package rather than in any
diff --git a/packages/sandbox/sandbox-policy/tests/policy.spec.ts b/packages/sandbox/sandbox-policy/tests/policy.spec.ts
index 63ca0cd3d5..463d5b3963 100644
--- a/packages/sandbox/sandbox-policy/tests/policy.spec.ts
+++ b/packages/sandbox/sandbox-policy/tests/policy.spec.ts
@@ -1,7 +1,7 @@
 /**
  * Tests for the sandbox-policy home: the deployment default (mode +
  * workspaceRoot) the service exposes, and the per-session `sandbox/mode`
- * override kit (fold + write path) both enforcing families read.
+ * override kit (fold + write path) every enforcing capability reads.
  */
 
 import { mkdirSync, mkdtempSync, realpathSync, rmSync, symlinkSync } from 'node:fs'
@@ -9,8 +9,10 @@ import { tmpdir } from 'node:os'
 import { join, resolve, sep } from 'node:path'
 import { describe, expect, it } from 'vitest'
 import { Context } from 'cordis'
+import type { Agent } from '@deepseek-ai/dsh-agent'
 import { Session, SessionId } from '@deepseek-ai/dsh-session'
 import SandboxPolicyService, { SANDBOX_MODES, effectiveSandboxMode, setSandboxMode } from '@deepseek-ai/dsh-sandbox-policy'
+import SystemPrompt, { renderContextSnapshot, renderPrompt } from '@deepseek-ai/dsh-system-prompt'
 
 async function mounted(config: { mode?: 'read-only' | 'workspace-write' | 'danger-full-access'; workspaceRoot?: string } = {}) {
   const ctx = new Context()
@@ -28,6 +30,15 @@ function session(id: string, cwd?: string): Session {
   })
 }
 
+function agentFor(activeSession: Session): Agent {
+  return { session: activeSession } as unknown as Agent
+}
+
+async function policyContext(ctx: Context, activeSession: Session): Promise<string | undefined> {
+  return (await ctx.systemPrompt.assemble({ agent: agentFor(activeSession) }))
+    .contexts.find(context => context.name === 'sandbox:policy')?.text
+}
+
 describe('SandboxPolicyService', () => {
   it('defaults to read-only under the process cwd', async () => {
     const ctx = await mounted()
@@ -114,12 +125,81 @@ describe('SandboxPolicyService', () => {
     await expect(ctx.plugin(SandboxPolicyService, { mode: 'yolo' as never })).rejects.toThrow()
   })
 
-  it('unregisters cleanly from a child fiber (HMR safety)', async () => {
+  it('disposes the service and context contribution from a child fiber (HMR safety)', async () => {
     const ctx = new Context()
+    await ctx.plugin(SystemPrompt)
     const fiber = await ctx.plugin(SandboxPolicyService, {})
     expect(ctx.sandboxPolicy).toBeDefined()
+    expect(await policyContext(ctx, session('sess-hmr'))).toContain('read-only')
     await fiber.dispose()
     expect(ctx.get('sandboxPolicy')).toBeUndefined()
+    expect((await ctx.systemPrompt.assemble()).contexts.find(context => context.name === 'sandbox:policy')).toBeUndefined()
+  })
+})
+
+describe('sandbox:policy request context', () => {
+  async function promptMounted(config: { mode?: 'read-only' | 'workspace-write' | 'danger-full-access'; workspaceRoot?: string } = {}): Promise<Context> {
+    const ctx = new Context()
+    await ctx.plugin(SystemPrompt)
+    await ctx.plugin(SandboxPolicyService, config)
+    return ctx
+  }
+
+  it.each(['read-only', 'workspace-write', 'danger-full-access'] as const)('renders the exact %s policy without a capability inventory', async (mode) => {
+    const ctx = await promptMounted({ mode, workspaceRoot: '/fallback' })
+    const workspaceRoot = resolve('/projects/current')
+    const expected = {
+      'read-only': 'Current DSH file policy: read-only. Any available operation enforced by the DSH file sandbox cannot modify files in the standing mode. Do not refuse a required modification from this policy alone: try an available tool normally and follow any denial and escalation guidance it returns.',
+      'workspace-write': `Current DSH file policy: workspace-write. Any available operation enforced by the DSH file sandbox may modify files under the session workspace: ${JSON.stringify(workspaceRoot)}. Some platform temporary areas may also be writable.`,
+      'danger-full-access': 'Current DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations.',
+    } as const
+
+    expect(await policyContext(ctx, session(`sess-${mode}`, '/projects/../projects/current'))).toBe(expected[mode])
+  })
+
+  it('keeps the complete rendered prompt byte-stable across TMPDIR changes', async () => {
+    const ctx = await promptMounted({ mode: 'workspace-write' })
+    const active = session('sess-tmpdir-stability', '/projects/current')
+    const previous = process.env.TMPDIR
+    try {
+      process.env.TMPDIR = '/tmp/first-host-temp'
+      const firstAssembly = await ctx.systemPrompt.assemble({ agent: agentFor(active) })
+      const firstPrompt = renderPrompt(firstAssembly)
+      const firstContext = renderContextSnapshot(firstAssembly)
+      process.env.TMPDIR = '/tmp/second-host-temp'
+      const secondAssembly = await ctx.systemPrompt.assemble({ agent: agentFor(active) })
+      expect(renderPrompt(secondAssembly)).toBe(firstPrompt)
+      expect(renderContextSnapshot(secondAssembly)).toBe(firstContext)
+      expect(firstContext).not.toContain('host-temp')
+    } finally {
+      if (previous === undefined) delete process.env.TMPDIR
+      else process.env.TMPDIR = previous
+    }
+  })
+
+  it('reflects the latest durable switch on the next assembly and stays byte-stable otherwise', async () => {
+    const ctx = await promptMounted()
+    const active = session('sess-switch', '/projects/current')
+    const first = await policyContext(ctx, active)
+    expect(await policyContext(ctx, active)).toBe(first)
+
+    setSandboxMode(active, 'danger-full-access')
+    const danger = await policyContext(ctx, active)
+    expect(danger).toBe('Current DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations.')
+    expect(await policyContext(ctx, active)).toBe(danger)
+
+    setSandboxMode(active, 'workspace-write')
+    expect(await policyContext(ctx, active)).toBe(`Current DSH file policy: workspace-write. Any available operation enforced by the DSH file sandbox may modify files under the session workspace: ${JSON.stringify(resolve('/projects/current'))}. Some platform temporary areas may also be writable.`)
+  })
+
+  it('reconstructs resumed policy from the session log and omits diagnostics without an agent', async () => {
+    const active = session('sess-resume', '/projects/current')
+    setSandboxMode(active, 'workspace-write')
+    const resumed = new Session(active.id, active.events, active.header)
+    const ctx = await promptMounted({ mode: 'read-only' })
+
+    expect(await policyContext(ctx, resumed)).toContain('workspace-write')
+    expect((await ctx.systemPrompt.assemble()).contexts.find(context => context.name === 'sandbox:policy')?.text).toBe('')
   })
 })
 
diff --git a/packages/sandbox/sandbox-policy/tsconfig.json b/packages/sandbox/sandbox-policy/tsconfig.json
index cb6fc623d0..c7081ad9be 100644
--- a/packages/sandbox/sandbox-policy/tsconfig.json
+++ b/packages/sandbox/sandbox-policy/tsconfig.json
@@ -17,12 +17,18 @@
     {
       "path": "../../../vendor/schemastery"
     },
+    {
+      "path": "../../core/agent"
+    },
     {
       "path": "../sandbox"
     },
     {
       "path": "../../core/session"
     },
+    {
+      "path": "../../core/system-prompt"
+    },
     {
       "path": "../../support/invariants"
     }
diff --git a/packages/session-persistence/session-checkpoint-policy/tests/crash-recovery.e2e.ts b/packages/session-persistence/session-checkpoint-policy/tests/crash-recovery.e2e.ts
index 6e125e1832..890e16fd4e 100644
--- a/packages/session-persistence/session-checkpoint-policy/tests/crash-recovery.e2e.ts
+++ b/packages/session-persistence/session-checkpoint-policy/tests/crash-recovery.e2e.ts
@@ -86,7 +86,7 @@ describe.skipIf(process.platform === 'win32')('semantic checkpoint hard-crash re
     const events = await load(crashed.root)
     expect(events.map(event => event.type)).toEqual([
       'agent/inbox/spliced', 'agent/inbox/spliced',
-      'turn/start', 'user/message', 'step/start', 'request/header', 'step/end', 'turn/end',
+      'turn/start', 'user/message', 'step/start', 'request/header', 'request/context', 'step/end', 'turn/end',
     ])
     expect(events.at(-1)).toMatchObject({
       type: 'turn/end', data: { reason: { kind: 'interrupted' } },
diff --git a/packages/session-query/session-query-sqlite/README.i18n.yaml b/packages/session-query/session-query-sqlite/README.i18n.yaml
index ce6efd6cfc..651d00645d 100644
--- a/packages/session-query/session-query-sqlite/README.i18n.yaml
+++ b/packages/session-query/session-query-sqlite/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/session-query/session-query-sqlite/README.md
-README.md: ceffb3ac25bc8b5252d6cc40cd6389839dfce1e2
-README.zh.md: 33afe99c3e065e231692e162549aef8e28e542e3
+README.md: 4bf4d979f2d2954cd6280c80bf7f5988d8121fd1
+README.zh.md: 6eb1f3bca034a974128eb33381b5d3c383b55d12
diff --git a/packages/session-query/session-query-sqlite/README.md b/packages/session-query/session-query-sqlite/README.md
index ceffb3ac25..4bf4d979f2 100644
--- a/packages/session-query/session-query-sqlite/README.md
+++ b/packages/session-query/session-query-sqlite/README.md
@@ -16,6 +16,8 @@ All three surfaces (`current`, `shadowed`, and `log-only`) are searchable by def
 
 The service requires `ctx.sessions` and observes optional `ctx.sessionPersistence` dynamically. One serialized state machine compares source-qualified lightweight durable snapshot revisions, non-mutatingly inspects only new or changed logs, extracts shared semantic documents, reconciles changes transactionally, and runs the query. Session queries never invoke the persistence backend's crash-repairing `load()`; an owner attaching during inspection cannot mutate its log, and the stable-observation retry makes the result live-preferred. The TEMP live row still records persisted availability, and the durable base refreshes after that live owner detaches. Repeated queries and an unchanged same-store reopen perform no full durable-log inspection; switching stores, or observing new, changed, deleted, or externally load-repaired sources, reconciles on the next stable observation. Source or transaction failure commits nothing, and the next search retries.
 
+`openAt: startup` is the default: service activation imports `node:sqlite`, opens the handle, and fails before publication when the index is invalid. `openAt: first-search` publishes the service as ACTIVE without importing the SQLite module or opening a handle; the first concurrent searches share one readiness promise, and disposal before any search opens nothing. This mode supports compositions that need clean Node 22 startup output by deferring SQLite's experimental warning until the first actual search; it does not suppress a warning at that point. An invalid database likewise fails the first search instead of service activation.
+
 Persisted FTS rows live in a dedicated derived database. Connection-local TEMP tables hold live rows, which shadow the durable base for the same session and reveal it when the live owner disappears. Unmounting persistence hides durable rows without discarding the cache; remounting reconciles it. Closing or reopening the database drops every live overlay while retaining persisted rows.
 
 The database is disposable but reset is guarded: every recognized schema version rejects unknown user tables before mutating journal mode, and only a recognized incompatible schema containing derived tables rebuilds in place. An unrelated or canonical database is refused. Never point `path` at the session-persistence database. On filesystems with POSIX modes, missing directories and databases are created owner-only (`0700` and `0600` before the process umask), and SQLite sidecars inherit the database mode; existing modes are preserved. Exactly one service in one process owns a derived-index path; external writers or a second process are unsupported because generations and TEMP shadow state are connection-owned.
@@ -25,6 +27,7 @@ The database is disposable but reset is guarded: every recognized schema version
 | Key | Default | Contract |
 |---|---:|---|
 | `path` | required | Dedicated derived-index SQLite path; `:memory:` is supported. Missing filesystem paths are created owner-only on POSIX filesystems. |
+| `openAt` | `startup` | `startup` opens before service activation completes; `first-search` defers the SQLite module and handle until search. |
 | `journalMode` | `wal` | `wal`, `delete`, `truncate`, or `persist`. |
 | `defaultLimit` | `20` | Page size when a request omits `limit`; at most `Number.MAX_SAFE_INTEGER - 1`. |
 | `maxLimit` | `100` | Largest accepted request page size; at most `Number.MAX_SAFE_INTEGER - 1`. |
diff --git a/packages/session-query/session-query-sqlite/README.zh.md b/packages/session-query/session-query-sqlite/README.zh.md
index 33afe99c3e..6eb1f3bca0 100644
--- a/packages/session-query/session-query-sqlite/README.zh.md
+++ b/packages/session-query/session-query-sqlite/README.zh.md
@@ -16,6 +16,8 @@
 
 该服务需要 `ctx.sessions`，并动态观察可选的 `ctx.sessionPersistence`。一个串行化状态机比较来源限定的轻量持久化快照修订，仅以不修改日志的方式检查新日志或已更改日志，提取共享语义文档，以事务方式对账变更，然后运行查询。会话查询绝不会调用持久化后端会修复崩溃的 `load()`；检查期间接入的活动所有者无法修改其日志，稳定观察重试使结果优先使用实时来源。TEMP 实时行仍会记录持久化可用性，而持久基库会在该活动所有者脱离后刷新。重复查询和未变的同存储重新打开不会执行完整持久化日志检查；切换存储，或观察到新增、已更改、已删除或经外部 load 修复的来源时，会在下次稳定观察时对账。来源或事务失败不会提交任何内容，下一次搜索会重试。
 
+`openAt: startup` 是默认值：服务激活会导入 `node:sqlite` 并打开句柄；如果索引无效，则会在服务发布前失败。`openAt: first-search` 会将服务以 ACTIVE 状态发布，同时不导入 SQLite 模块也不打开句柄；首批并发搜索共享同一个就绪 promise，在任何搜索前处置服务时也不会导入模块或打开句柄。此模式通过把 SQLite 的实验性警告推迟到首次实际搜索，支持需要干净 Node 22 启动输出的组合；它不会抑制届时的警告。无效数据库同样会使首次搜索失败，而不是服务激活失败。
+
 持久化 FTS 行位于专用派生数据库中。连接本地 TEMP 表保存实时行，这些行会遮蔽同一会话的持久化基库，并在实时所有者消失后使其重新可见。卸载持久化会隐藏持久行，但不会丢弃缓存；重新挂载会对账缓存。关闭或重新打开数据库会删除全部实时覆盖层，但保留持久行。
 
 该数据库虽可丢弃重建，但 reset 操作受到保护：每个已识别 schema 版本都会在修改 journal mode 前拒绝未知用户表；只有包含派生表的已识别不兼容 schema 才会原地重建。不相关数据库或规范数据库将被拒绝。绝不能将 `path` 指向 session-persistence 数据库。在具有 POSIX mode 的文件系统上，缺失的目录和数据库会以仅所有者可访问的方式创建（进程 umask 前为 `0700` 和 `0600`），SQLite sidecar 继承数据库 mode；现有 mode 保持不变。每个派生索引路径在一个进程中只能由一个服务拥有；不支持外部写入者或第二个进程，因为世代和 TEMP 遮蔽状态由连接持有。
@@ -25,6 +27,7 @@
 | 键 | 默认值 | 契约 |
 |---|---:|---|
 | `path` | 必填 | 专用派生索引 SQLite 路径；支持 `:memory:`。在 POSIX 文件系统上，缺失的文件系统路径会以仅所有者可访问的方式创建。 |
+| `openAt` | `startup` | `startup` 会在服务激活完成前打开；`first-search` 把 SQLite 模块与句柄推迟到搜索时再加载和打开。 |
 | `journalMode` | `wal` | `wal`、`delete`、`truncate` 或 `persist`。 |
 | `defaultLimit` | `20` | 请求省略 `limit` 时的分页大小；最多为 `Number.MAX_SAFE_INTEGER - 1`。 |
 | `maxLimit` | `100` | 接受的最大请求分页大小；最多为 `Number.MAX_SAFE_INTEGER - 1`。 |
diff --git a/packages/session-query/session-query-sqlite/src/index.ts b/packages/session-query/session-query-sqlite/src/index.ts
index e76e0a5a43..ef3a920878 100644
--- a/packages/session-query/session-query-sqlite/src/index.ts
+++ b/packages/session-query/session-query-sqlite/src/index.ts
@@ -5,7 +5,7 @@
  */
 
 import { createHash, randomUUID } from 'node:crypto'
-import { DatabaseSync } from 'node:sqlite'
+import type { DatabaseSync } from 'node:sqlite'
 import { Context, Service, type Fiber } from 'cordis'
 import z from 'schemastery'
 import type { Session, SessionEvent, SessionHeader, SessionId } from '@deepseek-ai/dsh-session'
@@ -82,14 +82,19 @@ export const SESSION_QUERY_SQLITE_SNIPPET_CHARS = 240
 // One transient source change gets a retry; repeated churn fails rather than monopolizing the queue.
 const STABLE_OBSERVATION_ATTEMPTS = 2
 
+/** SQLite module/handle opening phase. */
+export type OpenAt = 'startup' | 'first-search'
+
 /** Combined session-query configuration backed by SQLite full-text search. */
 export interface Config extends SessionQueryConfig {
   /**
-   * Dedicated derived-index path; `:memory:` is supported for tests. Missing
-   * directories and database files are created owner-only on POSIX filesystems;
-   * existing modes are preserved.
+   * Dedicated derived-index path; `:memory:` is supported for ephemeral
+   * indexes. Missing directories and database files are created owner-only on
+   * POSIX filesystems; existing modes are preserved.
    */
   path: string
+  /** Open the SQLite module and handle at service activation or the first search. Defaults to `startup`. */
+  openAt?: OpenAt
   /** SQLite journal mode. Defaults to `wal`. */
   journalMode?: JournalMode
   /** Page size when a request omits `limit`. At most `Number.MAX_SAFE_INTEGER - 1`; defaults to 20. */
@@ -104,6 +109,7 @@ export interface Config extends SessionQueryConfig {
 
 interface ResolvedConfig {
   path: string
+  openAt: OpenAt
   journalMode: JournalMode
   defaultLimit: number
   maxLimit: number
@@ -185,6 +191,7 @@ export class SessionQuerySqlite extends SessionQueryService {
 
   static Config: z<Config> = z.object({
     path: z.string().required(),
+    openAt: z.union(['startup', 'first-search'] as const).default('startup'),
     journalMode: z.union(['wal', 'delete', 'truncate', 'persist'] as const).default('wal'),
     defaultLimit: z.number().step(1).min(1).max(SQLITE_MAX_PAGE_LIMIT).default(SESSION_QUERY_SQLITE_DEFAULT_LIMIT),
     maxLimit: z.number().step(1).min(1).max(SQLITE_MAX_PAGE_LIMIT).default(SESSION_QUERY_SQLITE_MAX_LIMIT),
@@ -201,7 +208,7 @@ export class SessionQuerySqlite extends SessionQueryService {
   readonly config: ResolvedConfig
 
   private readonly _instance = randomUUID()
-  private readonly _ready: Promise<void>
+  private _ready: Promise<void> | undefined
   private _db: DatabaseSync | undefined
   private _persistenceBinding: PersistenceBinding = { identity: Symbol() }
   private _lastPersistenceIdentity: symbol | undefined
@@ -218,7 +225,6 @@ export class SessionQuerySqlite extends SessionQueryService {
     // register `ctx.sessionQuery`; keep that same validated value afterward.
     super(ctx, config = resolveConfig(config))
     this.config = config as ResolvedConfig
-    this._ready = this._open()
     this._optionalPersistenceFiber = ctx.inject(['sessionPersistence'], (childCtx: Context) => {
       const service = childCtx.sessionPersistence
       const binding = { identity: Symbol(), service }
@@ -235,9 +241,9 @@ export class SessionQuerySqlite extends SessionQueryService {
     ctx.effect(() => async () => this.close(), 'sessionQuerySqlite.close')
   }
 
-  /** Open the index before Cordis publishes this combined service as active. */
+  /** Open eagerly only when activation owns the configured readiness boundary. */
   protected async [Service.init](): Promise<void> {
-    await this._ensureReady(undefined)
+    if (this.config.openAt === 'startup') await this._ensureReady(undefined)
   }
 
   override async searchSessions(
@@ -306,10 +312,12 @@ export class SessionQuerySqlite extends SessionQueryService {
   private async _close(): Promise<void> {
     this._closed = true
     await this._tail
-    try {
-      await this._ready
-    } catch {
-      // Opening already closed a partially-created handle; disposal only waits.
+    if (this._ready !== undefined) {
+      try {
+        await this._ready
+      } catch {
+        // Opening already closed a partially-created handle; disposal only waits.
+      }
     }
     this._db?.close()
     this._db = undefined
@@ -325,6 +333,7 @@ export class SessionQuerySqlite extends SessionQueryService {
   }
 
   private async _ensureReady(signal: AbortSignal | undefined): Promise<void> {
+    this._ready ??= this._open()
     try {
       await waitWithAbort(this._ready, signal)
     } catch (error: unknown) {
@@ -629,6 +638,8 @@ export class SessionQuerySqlite extends SessionQueryService {
       offset,
     ]
     assertPortableBindingCount(bindings.length)
+    // The browser fixture mirrors these rank keys in
+    // `packages/client/connection/src/client/fixture.ts`; update both together.
     return this._requireDb().prepare(`
       ${selected.sql},
       filtered AS (
@@ -956,6 +967,7 @@ function invalidCursor(cause: unknown): SessionQueryError {
 function resolveConfig(config: Config): ResolvedConfig {
   const resolved: ResolvedConfig = {
     path: config.path,
+    openAt: config.openAt ?? 'startup',
     journalMode: config.journalMode ?? 'wal',
     defaultLimit: config.defaultLimit ?? SESSION_QUERY_SQLITE_DEFAULT_LIMIT,
     maxLimit: config.maxLimit ?? SESSION_QUERY_SQLITE_MAX_LIMIT,
@@ -967,6 +979,8 @@ function resolveConfig(config: Config): ResolvedConfig {
   if (typeof resolved.path !== 'string' || resolved.path.trim().length === 0) {
     throw invalidConfig('path must not be blank')
   }
+  const openPhases: readonly string[] = ['startup', 'first-search']
+  if (!openPhases.includes(resolved.openAt)) throw invalidConfig('openAt is not supported')
   assertPageLimit('defaultLimit', resolved.defaultLimit)
   assertPageLimit('maxLimit', resolved.maxLimit)
   assertPositiveInteger('snippetChars', resolved.snippetChars)
diff --git a/packages/session-query/session-query-sqlite/src/schema.ts b/packages/session-query/session-query-sqlite/src/schema.ts
index f5c2d81bcf..59cec8819c 100644
--- a/packages/session-query/session-query-sqlite/src/schema.ts
+++ b/packages/session-query/session-query-sqlite/src/schema.ts
@@ -1,6 +1,6 @@
 /** SQLite schema for the disposable session full-text read model. */
 
-import { DatabaseSync } from 'node:sqlite'
+import type { DatabaseSync } from 'node:sqlite'
 import { mkdir, open } from 'node:fs/promises'
 import { dirname, resolve } from 'node:path'
 
@@ -49,6 +49,7 @@ export async function openSearchDatabase(path: string, journalMode: JournalMode)
     await mkdir(dirname(actual), { recursive: true, mode: 0o700 })
     await createDatabaseFile(actual)
   }
+  const { DatabaseSync } = await import('node:sqlite')
   const db = new DatabaseSync(actual)
   try {
     const { application_id: applicationId } = db.prepare('PRAGMA application_id').get() as { application_id: number }
diff --git a/packages/session-query/session-query-sqlite/tests/sqlite.spec.ts b/packages/session-query/session-query-sqlite/tests/sqlite.spec.ts
index 0b8deb1a42..69106375f0 100644
--- a/packages/session-query/session-query-sqlite/tests/sqlite.spec.ts
+++ b/packages/session-query/session-query-sqlite/tests/sqlite.spec.ts
@@ -1,4 +1,4 @@
-import { createUserMessage } from '@deepseek-ai/dsh-llm'
+import { createAssistantMessage, createUserMessage } from '@deepseek-ai/dsh-llm'
 import { afterEach, describe, expect, it, vi } from 'vitest'
 import { Context, type Fiber } from 'cordis'
 import { DatabaseSync } from 'node:sqlite'
@@ -185,16 +185,19 @@ async function liveContext(config: ConstructorParameters<typeof SessionQuerySqli
 }
 
 describe('SQLite session search', () => {
-  it('defaults and validates persisted inspection concurrency through its Cordis config', async () => {
+  it('defaults and validates opening policy and persisted inspection concurrency through its Cordis config', async () => {
     const defaultCtx = await liveContext()
+    expect((defaultCtx.sessionQuery as SessionQuerySqlite).config.openAt).toBe('startup')
     expect((defaultCtx.sessionQuery as SessionQuerySqlite).config.persistedInspectConcurrency)
       .toBe(SESSION_QUERY_DEFAULT_PERSISTED_INSPECT_CONCURRENCY)
 
     const configuredValue = 2
     const configured = new SessionQuerySqlite.Config({
       path: ':memory:',
+      openAt: 'first-search',
       persistedInspectConcurrency: configuredValue,
     })
+    expect(configured.openAt).toBe('first-search')
     expect(configured.persistedInspectConcurrency).toBe(configuredValue)
     const configuredCtx = await liveContext(configured)
     expect((configuredCtx.sessionQuery as SessionQuerySqlite).config.persistedInspectConcurrency)
@@ -206,6 +209,72 @@ describe('SQLite session search', () => {
         persistedInspectConcurrency,
       })).toThrow()
     }
+    expect(() => new SessionQuerySqlite.Config({
+      path: ':memory:',
+      openAt: 'later' as never,
+    })).toThrow()
+  })
+
+  it('mounts and disposes first-search mode without opening its database', async () => {
+    const path = await temporaryPath('unopened.db')
+    const ctx = new Context()
+    await ctx.plugin(SessionStore)
+    const search = await ctx.plugin(SessionQuerySqlite, {
+      path,
+      openAt: 'first-search',
+    })
+
+    await expect(stat(path)).rejects.toMatchObject({ code: 'ENOENT' })
+    await search.dispose()
+    await expect(stat(path)).rejects.toMatchObject({ code: 'ENOENT' })
+  })
+
+  it('opens once on the first search and reuses readiness for later searches', async () => {
+    const ctx = new Context()
+    await ctx.plugin(SessionStore)
+    await ctx.plugin(SessionQuerySqlite, {
+      path: ':memory:',
+      openAt: 'first-search',
+    })
+    const service = ctx.sessionQuery as SessionQuerySqlite
+    const internals = service as unknown as { _open(): Promise<void> }
+    const open = vi.spyOn(internals, '_open')
+
+    await expect(service.searchSessions({ query: 'first' })).resolves.toEqual({ items: [] })
+    await expect(service.searchSessions({ query: 'second' })).resolves.toEqual({ items: [] })
+
+    expect(open).toHaveBeenCalledOnce()
+  })
+
+  it('shares one readiness promise across concurrent first searches', async () => {
+    const ctx = new Context()
+    await ctx.plugin(SessionStore)
+    await ctx.plugin(SessionQuerySqlite, {
+      path: ':memory:',
+      openAt: 'first-search',
+    })
+    const service = ctx.sessionQuery as SessionQuerySqlite
+    const internals = service as unknown as { _open(): Promise<void> }
+    const originalOpen = internals._open.bind(internals)
+    const release = Promise.withResolvers<undefined>()
+    const started = Promise.withResolvers<undefined>()
+    const open = vi.spyOn(internals, '_open').mockImplementation(async () => {
+      started.resolve(undefined)
+      await release.promise
+      await originalOpen()
+    })
+
+    const first = service.searchSessions({ query: 'first' })
+    const second = service.searchSessions({ query: 'second' })
+    await started.promise
+    expect(open).toHaveBeenCalledOnce()
+    release.resolve(undefined)
+
+    await expect(Promise.all([first, second])).resolves.toEqual([
+      { items: [] },
+      { items: [] },
+    ])
+    expect(open).toHaveBeenCalledOnce()
   })
 
   it('searches two-character Unicode61 tokens in live-only sessions', async () => {
@@ -230,6 +299,36 @@ describe('SQLite session search', () => {
       .resolves.toMatchObject({ items: [{ header: { ...session.header, seedLength: 1 }, live: true, persisted: false }] })
   })
 
+  it('excludes assistant reasoning while indexing visible answer text', async () => {
+    const ctx = await liveContext()
+    const session = ctx.sessions.create(SessionId('reasoning'))
+    session.append(
+      'assistant/message',
+      {
+        turn: 1,
+        step: 1,
+        message: createAssistantMessage({
+          content: [
+            { type: 'reasoning', text: 'private-chain-marker' },
+            { type: 'text', text: 'visible-answer-marker' },
+          ],
+          source: { provider: 'mock', model: 'mock' },
+        }),
+      },
+      { surfaceOp: 'append' },
+    )
+
+    await expect(ctx.sessionQuery.searchSessions({ query: 'private-chain-marker' }))
+      .resolves.toEqual({ items: [] })
+    await expect(ctx.sessionQuery.searchSessions({ query: 'visible-answer-marker' }))
+      .resolves.toMatchObject({
+        items: [{
+          header: { id: session.id },
+          bestMatch: { snippet: 'visible-answer-marker' },
+        }],
+      })
+  })
+
   it('searches all surfaces by default and applies metadata before ranking', async () => {
     const ctx = await liveContext({ path: ':memory:', defaultLimit: 10, maxLimit: 20 })
     const parent = SessionId('parent')
@@ -538,6 +637,7 @@ describe('SQLite session search', () => {
       { path: ':memory:', persistedInspectConcurrency: 0 },
       { path: ':memory:', persistedInspectConcurrency: Number.MAX_SAFE_INTEGER + 1 },
       { path: ':memory:', defaultLimit: 3, maxLimit: 2 },
+      { path: ':memory:', openAt: 'later' },
       { path: ':memory:', journalMode: 'memory' },
     ]) {
       const direct = new Context()
@@ -1141,7 +1241,7 @@ describe('SQLite schema, cancellation, and real persistence integration', () =>
     const staleOwner = await liveContext({ path: stalePath })
     await (staleOwner.sessionQuery as SessionQuerySqlite).close()
     const stale = new DatabaseSync(stalePath)
-    stale.exec('PRAGMA user_version = 999')
+    stale.exec(`PRAGMA user_version = ${SESSION_QUERY_SQLITE_SCHEMA_VERSION - 1}`)
     stale.close()
     const staleCtx = await liveContext({ path: stalePath })
     staleCtx.sessions.create(SessionId('live'), { seed: messageEvents('needle') })
@@ -1259,6 +1359,30 @@ describe('SQLite schema, cancellation, and real persistence integration', () =>
     }
   })
 
+  it('defers an invalid database failure only in first-search mode', async () => {
+    const path = await temporaryPath('lazy-invalid.db')
+    const foreign = new DatabaseSync(path)
+    foreign.exec('CREATE TABLE canonical(value TEXT)')
+    foreign.close()
+
+    const lazyCtx = new Context()
+    await lazyCtx.plugin(SessionStore)
+    const lazy = await lazyCtx.plugin(SessionQuerySqlite, {
+      path,
+      openAt: 'first-search',
+    })
+    expect(lazyCtx.sessionQuery).toBeInstanceOf(SessionQuerySqlite)
+    await expect(lazyCtx.sessionQuery.searchSessions({ query: 'needle' }))
+      .rejects.toThrow(expectCode('SESSION_QUERY_INDEX_FAILED'))
+    await lazy.dispose()
+
+    const eagerCtx = new Context()
+    await eagerCtx.plugin(SessionStore)
+    await expect(eagerCtx.plugin(SessionQuerySqlite, { path }))
+      .rejects.toThrow(expectCode('SESSION_QUERY_INDEX_FAILED'))
+    expect(eagerCtx.sessionQuery).toBeUndefined()
+  })
+
   it.each(['sessions', 'events'] as const)(
     'forwards one exact reconciliation signal through both snapshot lists and persisted inspection for %s search',
     async (scope) => {
diff --git a/packages/session-query/session-query/README.i18n.yaml b/packages/session-query/session-query/README.i18n.yaml
index 3a122bbf43..fb266a82de 100644
--- a/packages/session-query/session-query/README.i18n.yaml
+++ b/packages/session-query/session-query/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/session-query/session-query/README.md
-README.md: ebc577975f874a1a60c84061f9148282742bfdf2
-README.zh.md: df504e8ae5172fa783769a6fa39830c446688e29
+README.md: df97333be3b2c2cf71dd8c9287959bcbd83a5063
+README.zh.md: 1a3df1ce38360975d88a9f578b071b29cefbba0f
diff --git a/packages/session-query/session-query/README.md b/packages/session-query/session-query/README.md
index ebc577975f..df97333be3 100644
--- a/packages/session-query/session-query/README.md
+++ b/packages/session-query/session-query/README.md
@@ -23,7 +23,7 @@ Persistence is optional and may mount or unmount dynamically. Cross-corpus listi
 
 `SessionResultFilter` covers id, nullable cwd, created-at range, nullable parent, and source availability. `SessionEventResultFilter` covers seq/time ranges, event type, surface, and semantic text. Filter arrays are ANDed; values within one list clause are ORed. Empty list values match nothing, ranges are inclusive, and malformed ranges or closed-union values fail with `SESSION_QUERY_INVALID_FILTER`.
 
-The text clause is deliberately independent of FTS providers: caller text is escaped into a Unicode, case-insensitive regular expression, and each whitespace run matches one or more whitespace characters. It is a literal semantic-text scan, not a full-text query. `extractSessionEventText()` and `buildSessionEventSearchDocuments()` define the shared first-party document projection; structural boundaries, stream chunks, request headers, and unknown declaration-merged variants produce no document.
+The text clause is deliberately independent of FTS providers: caller text is escaped into a Unicode, case-insensitive regular expression, and each whitespace run matches one or more whitespace characters. It is a literal semantic-text scan, not a full-text query. `extractSessionEventText()` and `buildSessionEventSearchDocuments()` define the shared first-party document projection; reasoning blocks, structural boundaries, stream chunks, request headers, and unknown declaration-merged variants produce no document.
 
 ## Full-text methods
 
diff --git a/packages/session-query/session-query/README.zh.md b/packages/session-query/session-query/README.zh.md
index df504e8ae5..1a3df1ce38 100644
--- a/packages/session-query/session-query/README.zh.md
+++ b/packages/session-query/session-query/README.zh.md
@@ -23,7 +23,7 @@
 
 `SessionResultFilter` 覆盖 id、可空 cwd、创建时间范围、可空父级和来源可用性。`SessionEventResultFilter` 覆盖 seq/时间范围、事件类型、表层和语义文本。过滤器数组使用 AND；同一列表子句内的值使用 OR。空列表值不匹配任何内容，范围包含端点，而格式错误的范围或封闭联合值以 `SESSION_QUERY_INVALID_FILTER` 失败。
 
-文本子句刻意与 FTS 提供方无关：调用方文本会被转义为不区分大小写的 Unicode 正则表达式，每段连续空白匹配一个或多个空白字符。它是字面语义文本扫描，而非全文查询。`extractSessionEventText()` 和 `buildSessionEventSearchDocuments()` 定义共享的第一方文档投影；结构边界、流分片、请求 header 和未知声明合并变体不产生文档。
+文本子句刻意与 FTS 提供方无关：调用方文本会被转义为不区分大小写的 Unicode 正则表达式，每段连续空白匹配一个或多个空白字符。它是字面语义文本扫描，而非全文查询。`extractSessionEventText()` 和 `buildSessionEventSearchDocuments()` 定义共享的第一方文档投影；推理（reasoning）块、结构边界、流分片、请求 header 和未知声明合并变体不产生文档。
 
 ## 全文方法
 
diff --git a/packages/session-query/session-query/src/extraction.ts b/packages/session-query/session-query/src/extraction.ts
index be52d469dd..f03a7ba79e 100644
--- a/packages/session-query/session-query/src/extraction.ts
+++ b/packages/session-query/session-query/src/extraction.ts
@@ -69,8 +69,9 @@ function contentText(content: readonly SessionContentBlock[]): string {
 function blockText(block: SessionContentBlock): string[] {
   switch (block.type) {
     case 'text':
-    case 'reasoning':
       return [block.text]
+    case 'reasoning':
+      return []
     case 'tool-call':
       return [block.name, block.arguments]
     case 'tool-result':
diff --git a/packages/session-query/session-query/tests/search-helpers.spec.ts b/packages/session-query/session-query/tests/search-helpers.spec.ts
index c47f528809..957dca8996 100644
--- a/packages/session-query/session-query/tests/search-helpers.spec.ts
+++ b/packages/session-query/session-query/tests/search-helpers.spec.ts
@@ -101,8 +101,23 @@ describe('session-query semantic extraction', () => {
     ]
 
     for (const event of events.slice(0, 4)) {
-      expect(extractSessionEventText(event)).toBe('visible\nthought\nread\n{"path":"a"}\nnested')
+      expect(extractSessionEventText(event)).toBe('visible\nread\n{"path":"a"}\nnested')
     }
+    expect(extractSessionEventText({
+      type: 'assistant/message',
+      seq: 9,
+      time: 10,
+      data: {
+        turn: 1,
+        step: 1,
+        message: createMessage({
+          role: 'assistant',
+          content: [{ type: 'reasoning', text: 'private thought' }],
+          source: { kind: 'model', provider: 'mock', model: 'mock' },
+        }),
+      },
+      surfaceOp: 'append',
+    })).toBe('')
     expect(extractSessionEventText(events[4]!)).toBe('bash\n{"cmd":"pwd"}')
     expect(extractSessionEventText(events[5]!)).toBe('failed\nOops\nE_OOPS')
     expect(extractSessionEventText(events[6]!)).toBe('')
diff --git a/packages/session-query/tool-session-query/README.i18n.yaml b/packages/session-query/tool-session-query/README.i18n.yaml
index e86449af9c..5df258e899 100644
--- a/packages/session-query/tool-session-query/README.i18n.yaml
+++ b/packages/session-query/tool-session-query/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/session-query/tool-session-query/README.md
-README.md: d973daf1124c4be05f7335b18661d431d45be39f
-README.zh.md: b27d79a905a029d3750f24573e3c32785a314015
+README.md: 9a70f29d7c39af816c9efcf479ad129f0148883c
+README.zh.md: 55717aef20d53686cce963d09b2e41350d274a75
diff --git a/packages/session-query/tool-session-query/README.md b/packages/session-query/tool-session-query/README.md
index d973daf112..9a70f29d7c 100644
--- a/packages/session-query/tool-session-query/README.md
+++ b/packages/session-query/tool-session-query/README.md
@@ -2,7 +2,7 @@
 
 English | [中文](README.zh.md)
 
-Workspace-authorized model tools over `ctx.sessionQuery`. The opt-in package depends only on the unified interface and registers `session_search`, `session_event_search`, `session_trace`, `session_event_trace`, and `session_event_read`; shipped host compositions do not mount it by default.
+Workspace-authorized model tools over `ctx.sessionQuery`. The opt-in package depends only on the unified interface and registers `session_search`, `session_event_search`, `session_trace`, `session_event_trace`, and `session_event_read`; the shipped TUI, Web, and headless compositions mount it by default, while ACP does not.
 
 ## Configuration
 
diff --git a/packages/session-query/tool-session-query/README.zh.md b/packages/session-query/tool-session-query/README.zh.md
index b27d79a905..55717aef20 100644
--- a/packages/session-query/tool-session-query/README.zh.md
+++ b/packages/session-query/tool-session-query/README.zh.md
@@ -2,7 +2,7 @@
 
 [English](README.md) | 中文
 
-位于 `ctx.sessionQuery` 之上、经工作区授权的模型工具。该 opt-in 包（package）只依赖统一接口，并注册 `session_search`、`session_event_search`、`session_trace`、`session_event_trace` 和 `session_event_read`；已发布的宿主组合默认不挂载它。
+位于 `ctx.sessionQuery` 之上、经工作区授权的模型工具。该 opt-in 包（package）只依赖统一接口，并注册 `session_search`、`session_event_search`、`session_trace`、`session_event_trace` 和 `session_event_read`；已交付的 TUI、Web 与无头组合默认挂载它，而 ACP（Agent Client Protocol）不挂载。
 
 ## 配置
 
diff --git a/packages/settings/settings-local/README.i18n.yaml b/packages/settings/settings-local/README.i18n.yaml
index 9638a62f96..2ca145145a 100644
--- a/packages/settings/settings-local/README.i18n.yaml
+++ b/packages/settings/settings-local/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/settings/settings-local/README.md
-README.md: 2c0817afd2f2fd35fda2d22cd7f7ef3772fe2257
-README.zh.md: 547abb035368f07d4478a5c3a1793cdaa6743c68
+README.md: 344300c33879918e836b6e208b172343cc472faa
+README.zh.md: 7e4913c0883c48c23de3408a3b0fe0455160984f
diff --git a/packages/settings/settings-local/README.md b/packages/settings/settings-local/README.md
index 2c0817afd2..344300c338 100644
--- a/packages/settings/settings-local/README.md
+++ b/packages/settings/settings-local/README.md
@@ -19,7 +19,7 @@ Defaulting is one explicit `resolveSpec(config)` step; an unsupported extension
 
 - **Boot fails loud, reload keeps last-good.** An existing-but-invalid document fails plugin load; once live, an unreadable or unparsable edit warns and keeps the last good sections. A missing document resolves every namespace from defaults and `base`; deleting it publishes the same empty state.
 - **Every write is a read-modify-write.** A persist first re-reads the document and publishes any difference into the seam — an external edit still inside the watcher debounce window, a change the watcher missed, or another process's write — then renders against that fresh text, so a write can never resurrect a stale document or drop an unobserved sibling section. If the on-disk document turned invalid, the write rejects loud instead of overwriting the user's manual edit.
-- **Writes hold a cross-process writer lock.** The read-render-rename cycle runs under a `wx`-created `<file>.lock` sibling with exponential backoff, a 2 s acquisition deadline (the write rejects), and stale-lock takeover after 5 s (a crashed holder, broken with a warning). Readers never take the lock: the rename commit is atomic, so reloads are always consistent.
+- **Writes hold a cross-process writer lock.** The read-render-rename cycle runs under a `wx`-created `<file>.lock` sibling with exponential backoff and a 2 s acquisition deadline. A contender times out without removing the existing lock because age cannot distinguish a crashed owner from a paused live writer; orphan recovery is an operator action. Readers never take the lock: the rename commit is atomic, so reloads are always consistent.
 - **Write-back is atomic, owner-only, and symlink-proof.** The render exclusive-creates a random-suffix temp sibling with mode `0600` (`wx` refuses to follow a planted symlink) and renames over the target, cleaning the temp up on failure.
 - **YAML edits are leaf-level diffs.** A write sets only the values that changed and deletes only the keys that were removed, so comments, anchors, and formatting survive on every untouched node and on the key of every changed pair; a changed array (or other non-map value) replaces wholesale, taking comments inside it along. JSON re-serializes without comments.
 - **Reloads and writes share one operation chain.** Watcher refreshes and persists from every namespace queue run one at a time in queue order; each render sees the text the previous operation committed.
diff --git a/packages/settings/settings-local/README.zh.md b/packages/settings/settings-local/README.zh.md
index 547abb0353..7e4913c088 100644
--- a/packages/settings/settings-local/README.zh.md
+++ b/packages/settings/settings-local/README.zh.md
@@ -19,7 +19,7 @@
 
 - **启动报错响亮，重载保留最后可用值。** 存在但非法的文档使插件加载失败；运行中不可读或不可解析的编辑只告警并保留最后可用分节。文档缺失时所有 namespace 按默认值与 `base` 解析；删除文档发布同样的空状态。
 - **每次写入都是一次读-改-写。** persist 先重读文档并把任何差异发布进 seam——无论是仍在 watcher 防抖窗口内的外部编辑、watcher 漏掉的变更，还是另一个进程的写入——再基于这份新鲜文本渲染，因此写入绝不会复活陈旧文档，也不会丢掉未观察到的同级分节。若磁盘上的文档已变为非法，写入响亮拒绝，而不是覆盖用户的手工编辑。
-- **写入持有跨进程写锁。** 读-渲染-rename 流程在 `wx` 创建的 `<file>.lock` 同级文件下运行，带指数退避、2 s 的获取期限（到期则写入拒绝）与 5 s 后的陈旧锁接管（持有者已崩溃，破锁并告警）。读取方从不取锁：rename 提交是原子的，重载因此始终一致。
+- **写入持有跨进程写锁。** 读-渲染-rename 流程在 `wx` 创建的 `<file>.lock` 同级文件下运行，带指数退避与 2 s 的获取期限。竞争者会超时，但不会移除现有锁，因为锁龄无法区分已经崩溃的所有者与被暂停但仍存活的写入方；遗留锁恢复须由操作者执行。读取方从不取锁：rename 提交是原子的，重载因此始终一致。
 - **写回原子、仅属主可读、抗符号链接。** 渲染以 `0600` 权限独占创建随机后缀临时同级文件（`wx` 拒绝跟随预埋符号链接）后 rename 覆盖目标，失败时清理临时文件。
 - **YAML 编辑是叶子级 diff。** 写入只设置发生变化的值、只删除被移除的键，因此注释、锚点与排版在每个未触碰的节点上以及每个被改键值对的键上都得以保留；被改的数组（或其他非 map 值）整体替换，其中的注释随之一同被换掉。JSON 重新序列化，无注释。
 - **重载与写入共享一条操作链。** watcher 刷新与来自各 namespace 队列的 persist 按队列顺序逐个执行；每次渲染都基于上一次操作提交后的文本。
diff --git a/packages/settings/settings-local/src/index.ts b/packages/settings/settings-local/src/index.ts
index 8043e6db45..6b14eccc8f 100644
--- a/packages/settings/settings-local/src/index.ts
+++ b/packages/settings/settings-local/src/index.ts
@@ -198,10 +198,6 @@ export class SettingsLocal extends Settings {
       // 0600: a document that may hold personal values is never world-readable.
       await writeFileAtomic(this.spec.filename, output, { mode: 0o600, dirMode: 0o700 })
       this.text = output
-    }, {
-      onStaleBreak: (lockPath) => {
-        this.ctx.logger.warn('settings-local: breaking a stale writer lock at %s', lockPath)
-      },
     })
   }
 
diff --git a/packages/settings/settings-local/tests/concurrency.spec.ts b/packages/settings/settings-local/tests/concurrency.spec.ts
index ab09866819..1c6996434a 100644
--- a/packages/settings/settings-local/tests/concurrency.spec.ts
+++ b/packages/settings/settings-local/tests/concurrency.spec.ts
@@ -70,25 +70,20 @@ describe('writer lock', () => {
     expect(await readFile(path, 'utf8')).toContain('value: 7')
   })
 
-  it('breaks a stale writer lock with a warning and writes through', async () => {
+  it('does not steal an old writer lock', async () => {
     const dir = await tempDir()
     const path = join(dir, 'settings.yaml')
+    await writeFile(path, 'alpha:\n  value: 4\n')
     const ctx = await boot({ path, watch: false })
     const scope = ctx.settings.register(settingsNamespace('alpha'), AlphaSchema)
-    await writeFile(`${path}.lock`, 'crashed-holder\n')
+    const lockPath = `${path}.lock`
+    await writeFile(lockPath, 'slow-holder\n')
     const past = (Date.now() - 60_000) / 1000
-    await utimes(`${path}.lock`, past, past)
-    await scope.update({ value: 9 })
-    expect(await readFile(path, 'utf8')).toContain('value: 9')
-  })
+    await utimes(lockPath, past, past)
 
-  it('times out on a lock a live holder never releases', async () => {
-    const dir = await tempDir()
-    const path = join(dir, 'settings.yaml')
-    const ctx = await boot({ path, watch: false })
-    const scope = ctx.settings.register(settingsNamespace('alpha'), AlphaSchema)
-    await writeFile(`${path}.lock`, 'busy-holder\n')
-    await expect(scope.update({ value: 1 })).rejects.toThrow(/timed out waiting for the writer lock/)
+    await expect(scope.update({ value: 9 })).rejects.toThrow(/timed out waiting for the writer lock/)
+    expect(await readFile(path, 'utf8')).toContain('value: 4')
+    expect(await readFile(lockPath, 'utf8')).toBe('slow-holder\n')
   }, 10_000)
 
   it('surfaces a non-contention lock failure as the write error', async () => {
diff --git a/packages/settings/settings-local/tests/lock-race.spec.ts b/packages/settings/settings-local/tests/lock-race.spec.ts
index 09eb025654..364f6f1bac 100644
--- a/packages/settings/settings-local/tests/lock-race.spec.ts
+++ b/packages/settings/settings-local/tests/lock-race.spec.ts
@@ -1,8 +1,5 @@
-// Writer-lock races that cannot be timed from outside: a contender whose lock
-// vanishes between the failed exclusive create and the stat, a stat failing
-// for a reason other than absence, and a temp-file write failing mid-cycle.
-// The fs/promises seam is partially mocked to inject exactly one failure at a
-// chosen path suffix; everything else passes through to the real filesystem.
+// A temp-file write failure cannot be timed from outside. The fs/promises seam
+// injects it once so the test can prove that the writer lock still releases.
 import { afterEach, describe, expect, it, vi } from 'vitest'
 import { Context } from 'cordis'
 import z from 'schemastery'
@@ -13,28 +10,20 @@ import { settingsNamespace } from '@deepseek-ai/dsh-settings'
 import { SettingsLocal } from '../src/index.ts'
 
 const state = vi.hoisted(() => ({
-  /** One-shot failure injections keyed by operation, matched on a path suffix. */
-  failures: [] as Array<{ op: 'writeFile' | 'stat'; suffix: string; code: string }>,
+  failTempWrite: false,
 }))
 
 vi.mock('node:fs/promises', async (importOriginal) => {
   const actual = await importOriginal<typeof import('node:fs/promises')>()
-  const inject = (op: 'writeFile' | 'stat', path: unknown): void => {
-    const index = state.failures.findIndex(f => f.op === op && String(path).endsWith(f.suffix))
-    if (index === -1) return
-    const [failure] = state.failures.splice(index, 1)
-    throw Object.assign(new Error(`${failure!.code}: injected ${op} failure`), { code: failure!.code })
-  }
   return {
     ...actual,
     writeFile: (async (path: unknown, ...rest: never[]) => {
-      inject('writeFile', path)
+      if (state.failTempWrite && String(path).endsWith('.tmp')) {
+        state.failTempWrite = false
+        throw Object.assign(new Error('ENOSPC: injected writeFile failure'), { code: 'ENOSPC' })
+      }
       return (actual.writeFile as (path: unknown, ...args: never[]) => Promise<void>)(path, ...rest)
     }) as typeof actual.writeFile,
-    stat: (async (path: unknown, ...rest: never[]) => {
-      inject('stat', path)
-      return (actual.stat as (path: unknown, ...args: never[]) => Promise<unknown>)(path, ...rest)
-    }) as typeof actual.stat,
   }
 })
 
@@ -43,7 +32,7 @@ const AlphaSchema: z<{ value: number }> = z.object({ value: z.number().default(0
 const cleanups: Array<() => Promise<void>> = []
 
 afterEach(async () => {
-  state.failures.length = 0
+  state.failTempWrite = false
   while (cleanups.length > 0) await cleanups.pop()!()
 })
 
@@ -61,37 +50,14 @@ async function boot(config: ConstructorParameters<typeof SettingsLocal>[1]): Pro
   return ctx
 }
 
-describe('writer-lock races', () => {
-  it('retries immediately when the contending lock vanished before the stat', async () => {
-    const dir = await tempDir()
-    const path = join(dir, 'settings.yaml')
-    const ctx = await boot({ path, watch: false })
-    const scope = ctx.settings.register(settingsNamespace('alpha'), AlphaSchema)
-    // The exclusive create loses to a holder that releases before the stat:
-    // no lock file actually exists, so the stat sees honest absence and the
-    // very next attempt takes the lock.
-    state.failures.push({ op: 'writeFile', suffix: '.lock', code: 'EEXIST' })
-    await scope.update({ value: 3 })
-    expect(await readFile(path, 'utf8')).toContain('value: 3')
-  })
-
-  it('propagates a stat failure that does not mean absence', async () => {
-    const dir = await tempDir()
-    const path = join(dir, 'settings.yaml')
-    const ctx = await boot({ path, watch: false })
-    const scope = ctx.settings.register(settingsNamespace('alpha'), AlphaSchema)
-    state.failures.push({ op: 'writeFile', suffix: '.lock', code: 'EEXIST' })
-    state.failures.push({ op: 'stat', suffix: '.lock', code: 'EACCES' })
-    await expect(scope.update({ value: 3 })).rejects.toThrow(/EACCES/)
-  })
-
+describe('writer-lock failure cleanup', () => {
   it('cleans up the temp file and releases the lock when the write fails mid-cycle', async () => {
     const dir = await tempDir()
     const path = join(dir, 'settings.yaml')
     await writeFile(path, 'alpha:\n  value: 1\n')
     const ctx = await boot({ path, watch: false })
     const scope = ctx.settings.register(settingsNamespace('alpha'), AlphaSchema)
-    state.failures.push({ op: 'writeFile', suffix: '.tmp', code: 'ENOSPC' })
+    state.failTempWrite = true
     await expect(scope.update({ value: 9 })).rejects.toThrow(/ENOSPC/)
     // The document is untouched and the writer lock was released on the way out.
     expect(await readFile(path, 'utf8')).toContain('value: 1')
diff --git a/packages/skill/tool-skill/tests/tool-skill.spec.ts b/packages/skill/tool-skill/tests/tool-skill.spec.ts
index 7aff885936..ad6693d3a9 100644
--- a/packages/skill/tool-skill/tests/tool-skill.spec.ts
+++ b/packages/skill/tool-skill/tests/tool-skill.spec.ts
@@ -46,10 +46,13 @@ function agentForCwd(cwd: string): Agent {
     session,
     inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
     status: 'idle',
+    acceptsNextStep: false,
     send: () => {},
     followup: () => {},
     steer: () => {},
     inject: () => { throw new Error('step-boundary catalog must not use agent.inject()') },
+    updateInbox: () => 'not-found',
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle: () => Promise.resolve(),
   }
@@ -62,11 +65,14 @@ function sessionAgent(session: Session, id = 'tool-skill-agent'): Agent {
     session,
     inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
     status: 'running',
+    acceptsNextStep: false,
     ctx: new Context(),
     send: () => {},
     followup: () => {},
     steer: () => {},
     inject: () => { throw new Error('step-boundary catalog must not use agent.inject()') },
+    updateInbox: () => 'not-found',
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle: () => Promise.resolve(),
   }
diff --git a/packages/subagent/subagent-inprocess/tests/inheritance.spec.ts b/packages/subagent/subagent-inprocess/tests/inheritance.spec.ts
index c77a174ee7..7b60e5c8e2 100644
--- a/packages/subagent/subagent-inprocess/tests/inheritance.spec.ts
+++ b/packages/subagent/subagent-inprocess/tests/inheritance.spec.ts
@@ -100,7 +100,20 @@ describe('in-process policy inheritance', () => {
       const request = child.session.events.find(
         (event): event is SessionEvent<'request/header'> => event.type === 'request/header',
       )
-      expect(request?.data.header.system).toContain('Approval prompts are disabled')
+      const runtimeContext = child.session.events.find(
+        (event): event is SessionEvent<'user/message'> => event.type === 'user/message'
+          && event.data.source.kind === 'plugin'
+          && event.data.source.plugin === '@deepseek-ai/dsh-system-prompt',
+      )
+      if (request === undefined || runtimeContext === undefined) throw new Error('child request lacks its runtime policy context')
+      expect(runtimeContext.seq).toBeLessThan(request.seq)
+      const contextText = runtimeContext.data.content
+        .filter((block): block is Extract<ContentBlock, { type: 'text' }> => block.type === 'text')
+        .map(block => block.text)
+        .join('\n')
+      expect(contextText).toContain('Current DSH file policy: read-only')
+      expect(contextText).toContain('Approval prompts are disabled')
+      expect(request.data.header.system).not.toContain('Approval prompts are disabled')
       expect(parent.session.events).toHaveLength(parentLogLength)
     } finally {
       await run.dispose()
diff --git a/packages/support/acp-snapshot/README.i18n.yaml b/packages/support/acp-snapshot/README.i18n.yaml
index 363e0f268c..376cea9dcd 100644
--- a/packages/support/acp-snapshot/README.i18n.yaml
+++ b/packages/support/acp-snapshot/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/support/acp-snapshot/README.md
-README.md: 948c33a91977f078d16842c285011bf8f83623bd
-README.zh.md: fb86bd4e236be1c79f66dc46fbaac4d7dfbf9977
+README.md: e7988733827ef1d4de67d6d49764a4836e33d17c
+README.zh.md: e2466feb5e2025cb99f252b4206bfacb711bccda
diff --git a/packages/support/acp-snapshot/README.md b/packages/support/acp-snapshot/README.md
index 948c33a919..e798873382 100644
--- a/packages/support/acp-snapshot/README.md
+++ b/packages/support/acp-snapshot/README.md
@@ -8,8 +8,8 @@ Four layers, importable separately:
 
 - **`launchAcpTestAgent` (launcher)** — boots a source agent under tsx or a built `lib` agent under plain Node from a supplied cwd, connects the SDK client over a raw-byte stdout tee, collects session updates and stderr, surfaces asynchronous spawn failures through startup, fails closed on unhandled permission requests, and owns graceful or signalled shutdown. Shutdown waits for process exit, inherited stdio closure, and ACP parser exhaustion before resolving or propagating a child error, so captures are complete and callers can remove owned paths after either outcome. When Windows accepts forced termination but publishes its exit marker asynchronously, shutdown gives that marker a bounded grace before treating fallback refusal as a second failure. Snapshot and ordinary e2e suites share this process boundary; a test supplies only agent paths, cwd, environment overrides, and any permission policy.
 - **`runScenario` (harness)** — drives ACP JSON-RPC stdio from a deterministic `input.json` script through the launcher, tees raw stdout for the expected-output and purity checks, and harvests every persisted raw JSONL session log (parent and subagent children, primary-first) after graceful stdin EOF. `AgentUnderTest` supplies absolute `binScript`, optional `libBinScript`, `configPath`, and `tsconfigPath` paths because the subprocess cwd is outside the repo; `workspaceParent` may move the generated child cwd from the platform temp directory when that grant is itself under test. Startup failures preserve captured agent stderr in the rejected diagnostic.
-- **Normalizers** — pure functions turning captured surfaces into stable text or portable fixtures: `normalizeStdout` (JSON-RPC ids → first-seen sequence; UUIDs and every native/JavaScript filesystem spelling of the generated cwd → tokens, longest-first; cwd-rooted separators selected as canonical `/` or host-native; doubles as the stdout-purity check), `normalizeSessionLog` (times zeroed, `seq` kept, the same cwd-path policy), `tokenizeSessionFixtureCwd` (the generated workspace and its filesystem aliases → `{{cwd}}`, authored temp paths unchanged), `scrubSystemPrompts` (prompt text → `{{system}}`), `scrubToolSchemas` (schema bulk → `{{tools}}`), and `scrubRequestHeaders` (all header bulk → `{{system}}`/`{{tools}}`/`{{messagePrefix}}` outside each pin, structure kept — [pinned-header Agent Note](../../../.agents/notes/archived/testing/2026-07-06-pin-request-header-content-in-one-scenario.md)).
-- **`defineAcpSnapshotSuite` (factory)** — registers the whole describe/it tree for a scenario table: per-scenario expected-output and re-persisted-log comparisons, record/refresh fixture write-back, rejection of structured `UNKNOWN_TOOL` results, a tokenized pin per header class composed with independently shared `system-prompt.expected.md` and `tool-schemas.expected.json` sidecars, and a live uniformity guard. Its fixture guards reject orphan scenario dirs, missing files, multiple pins for one class, duplicate sidecar content, unscrubbed JSONL headers, and malformed pinning headers. Refresh evaluates fresh leaves with the harvested run's ids, cwd, and every cwd alias, then reuses normalized-equivalent leaves only when the complete logical-record layout aligns and volatile string replacements form a bijection; ambiguous logs keep fresh strings, and fresh semantic values remain authoritative. It also expands packed timing envelopes before aligning event times, so switching between packed and unpacked layouts cannot shift later records. A newly inserted `session/title` receives its preceding event's time so feature-driven insertions do not churn the remainder of a fixture. Each scenario directory's `session.jsonl` plus contiguous `session.<n>.jsonl` siblings are the ordered primary/child inventory; the scenario table does not duplicate their count. Must be called at vitest collection time.
+- **Normalizers** — pure functions turning captured surfaces into stable text or portable fixtures: `normalizeStdout` (JSON-RPC ids → first-seen sequence; UUIDs and every native/JavaScript filesystem spelling of the generated cwd → tokens, longest-first; cwd-rooted separators selected as canonical `/` or host-native; doubles as the stdout-purity check), `normalizeSessionLog` (times zeroed, `seq` kept, the same cwd-path policy), `tokenizeSessionFixtureCwd` (the generated workspace and its filesystem aliases → one canonical `{{cwd}}`, including an already-tokenized macOS `/private` alias; authored temp paths unchanged), `scrubSystemPrompts` (prompt text → `{{system}}`), `scrubToolSchemas` (schema bulk → `{{tools}}`), and `scrubRequestHeaders` (all header bulk → `{{system}}`/`{{tools}}`/`{{messagePrefix}}` outside each pin, structure kept — [pinned-header Agent Note](../../../.agents/notes/archived/testing/2026-07-06-pin-request-header-content-in-one-scenario.md)).
+- **`defineAcpSnapshotSuite` (factory)** — registers the whole describe/it tree for a scenario table: per-scenario expected-output and re-persisted-log comparisons, record/refresh fixture write-back, rejection of structured `UNKNOWN_TOOL` results, a tokenized pin per header class composed with independently shared `system-prompt.expected.md` and `tool-schemas.expected.json` sidecars, and a live uniformity guard. Its fixture guards reject orphan scenario dirs, missing files, multiple pins for one class, duplicate sidecar content, noncanonical macOS-prefixed cwd tokens, unscrubbed JSONL headers, and malformed pinning headers. Refresh evaluates fresh leaves with the harvested run's ids, cwd, and every cwd alias, then reuses normalized-equivalent leaves only when the complete logical-record layout aligns and volatile string replacements form a bijection; ambiguous logs keep fresh strings, and fresh semantic values remain authoritative. It also expands packed timing envelopes before aligning event times, so switching between packed and unpacked layouts cannot shift later records. A newly inserted `session/title` receives its preceding event's time so feature-driven insertions do not churn the remainder of a fixture. Each scenario directory's `session.jsonl` plus contiguous `session.<n>.jsonl` siblings are the ordered primary/child inventory; the scenario table does not duplicate their count. Must be called at vitest collection time.
 
 Committed session fixtures use canonical packed rows. An in-flight branch that merges this contract runs the [temporary repository migrator](../../../scripts/migrate-packed-session-fixtures.ts) with `pnpm run migrate:packed-session-fixtures`; its [removal proposal](../../../.agents/notes/proposed/process/2026-07-26-remove-packed-session-fixture-migrator.md) owns deletion after affected branches converge.
 
diff --git a/packages/support/acp-snapshot/README.zh.md b/packages/support/acp-snapshot/README.zh.md
index fb86bd4e23..e2466feb5e 100644
--- a/packages/support/acp-snapshot/README.zh.md
+++ b/packages/support/acp-snapshot/README.zh.md
@@ -8,8 +8,8 @@ ACP 快照套件工具包：无密钥快照层（`pnpm run test:snapshot`，见[
 
 - **`launchAcpTestAgent`（启动器）**：从指定 cwd 在 tsx 下启动源 agent，或在普通 Node 下启动已构建 `lib` agent；通过原始字节 stdout tee 连接 SDK 客户端，收集会话更新和 stderr，在启动过程中公开异步 spawn 失败，对未处理权限请求快速失败，并负责优雅或带信号关闭。关闭会等待进程退出、继承 stdio 关闭和 ACP parser 耗尽，然后才解析或传播子级错误，使捕获内容完整，且调用方可在任一结果后移除自有路径。当 Windows 接受强制终止但异步发布退出标记时，关闭会给该标记有界宽限，然后才将回退拒绝视为第二次失败。快照和普通 e2e 套件共享该进程边界；测试只需提供 agent 路径、cwd、环境覆盖和任何权限策略。
 - **`runScenario`（harness）**：通过启动器从确定性 `input.json` 脚本驱动 ACP JSON-RPC stdio，将原始 stdout tee 给预期输出和纯度检查，并在优雅 stdin EOF 后收集每个持久化原始 JSONL 会话日志（父级和 subagent 子级，主级优先）。`AgentUnderTest` 提供绝对 `binScript`、可选 `libBinScript`、`configPath` 和 `tsconfigPath` 路径，因为子进程 cwd 位于仓库外。当生成子级 cwd 自身位于待测授权中时，`workspaceParent` 可以将它从平台临时目录移出。启动失败会在拒绝诊断中保留已捕获 agent stderr。
-- **规范化器**：将已捕获接口转换为稳定文本或可移植 fixture 的纯函数：`normalizeStdout`（JSON-RPC id → 首次出现序列；UUID 以及生成 cwd 的每个原生/JavaScript 文件系统写法 → token，按最长优先；根据 cwd 的分隔符选择规范 `/` 或宿主原生形式；同时作为 stdout 纯度检查）、`normalizeSessionLog`（时间归零、保留 `seq`、使用同一 cwd 路径策略）、`tokenizeSessionFixtureCwd`（生成的 workspace 及其文件系统别名 → `{{cwd}}`，手工编写的临时路径保持不变）、`scrubSystemPrompts`（提示词文本 → `{{system}}`）、`scrubToolSchemas`（schema bulk → `{{tools}}`）和 `scrubRequestHeaders`（每个 pin 之外的所有 header bulk → `{{system}}`/`{{tools}}`/`{{messagePrefix}}`，保留结构；见[header 固定 Agent Note](../../../.agents/notes/archived/testing/2026-07-06-pin-request-header-content-in-one-scenario.md)）。
-- **`defineAcpSnapshotSuite`（工厂）**：为场景表注册完整 describe/it 树：每场景预期输出与重新持久化日志比较、录制/刷新 fixture 回写、拒绝结构化 `UNKNOWN_TOOL` 结果、每个 header 类别一个 token 化 pin（由可独立共享的 `system-prompt.expected.md` 和 `tool-schemas.expected.json` sidecar 组合而成），以及实时一致性保护。其 fixture 保护会拒绝遗留场景目录、缺失文件、一个类别包含多个 pin、重复的 sidecar 内容、未擦除的 JSONL header，以及格式错误的 pin header。刷新会使用收集所得本次运行的 id、cwd 及全部 cwd 别名评估本次生成的叶值；只有完整逻辑记录布局对齐且易变字符串替换形成双射时，才会复用规范化后等价的叶值；有歧义的日志保留本次生成的字符串，而本次生成的语义值仍为权威数据。它还会在对齐事件时间前展开打包时序 envelope，因此切换打包/非打包布局无法移动后续记录。新插入的 `session/title` 使用前一个事件的时间，因此功能驱动的插入不会扰动 fixture 余下部分。每个场景目录的 `session.jsonl` 和连续 `session.<n>.jsonl` 同级文件是有序主级/子级清单；场景表不重复其数量。必须在 vitest 收集时调用。
+- **规范化器**：将已捕获接口转换为稳定文本或可移植 fixture 的纯函数：`normalizeStdout`（JSON-RPC id → 首次出现序列；UUID 以及生成 cwd 的每个原生/JavaScript 文件系统写法 → token，按最长优先；根据 cwd 的分隔符选择规范 `/` 或宿主原生形式；同时作为 stdout 纯度检查）、`normalizeSessionLog`（时间归零、保留 `seq`、使用同一 cwd 路径策略）、`tokenizeSessionFixtureCwd`（生成的 workspace 及其文件系统别名，包括已 token 化的 macOS `/private` 别名 → 单一规范 `{{cwd}}`；手工编写的临时路径保持不变）、`scrubSystemPrompts`（提示词文本 → `{{system}}`）、`scrubToolSchemas`（schema bulk → `{{tools}}`）和 `scrubRequestHeaders`（每个 pin 之外的所有 header bulk → `{{system}}`/`{{tools}}`/`{{messagePrefix}}`，保留结构；见[header 固定 Agent Note](../../../.agents/notes/archived/testing/2026-07-06-pin-request-header-content-in-one-scenario.md)）。
+- **`defineAcpSnapshotSuite`（工厂）**：为场景表注册完整 describe/it 树：每场景预期输出与重新持久化日志比较、录制/刷新 fixture 回写、拒绝结构化 `UNKNOWN_TOOL` 结果、每个 header 类别一个 token 化 pin（由可独立共享的 `system-prompt.expected.md` 和 `tool-schemas.expected.json` sidecar 组合而成），以及实时一致性保护。其 fixture 保护会拒绝遗留场景目录、缺失文件、一个类别包含多个 pin、重复的 sidecar 内容、带非规范 macOS 前缀的 cwd token、未擦除的 JSONL header，以及格式错误的 pin header。刷新会使用收集所得本次运行的 id、cwd 及全部 cwd 别名评估本次生成的叶值；只有完整逻辑记录布局对齐且易变字符串替换形成双射时，才会复用规范化后等价的叶值；有歧义的日志保留本次生成的字符串，而本次生成的语义值仍为权威数据。它还会在对齐事件时间前展开打包时序 envelope，因此切换打包/非打包布局无法移动后续记录。新插入的 `session/title` 使用前一个事件的时间，因此功能驱动的插入不会扰动 fixture 余下部分。每个场景目录的 `session.jsonl` 和连续 `session.<n>.jsonl` 同级文件是有序主级/子级清单；场景表不重复其数量。必须在 vitest 收集时调用。
 
 签入仓库的会话 fixture 使用规范打包行。合并此契约的在途分支通过 `pnpm run migrate:packed-session-fixtures` 运行[临时仓库迁移器](../../../scripts/migrate-packed-session-fixtures.ts)；待受影响分支收敛后，由其[移除提案](../../../.agents/notes/proposed/process/2026-07-26-remove-packed-session-fixture-migrator.md)负责删除该迁移器。
 
diff --git a/packages/support/acp-snapshot/src/normalize.ts b/packages/support/acp-snapshot/src/normalize.ts
index e010afebcb..a3d5e66aa1 100644
--- a/packages/support/acp-snapshot/src/normalize.ts
+++ b/packages/support/acp-snapshot/src/normalize.ts
@@ -197,7 +197,7 @@ function tokenizeFixtureString(value: string, ctx: NormalizeContext, basename: s
     + String.raw`(?=$|[\\/\s<>'"()\[\]{},;:!?=])`,
     'g',
   )
-  return exact.replace(absoluteCwd, CWD)
+  return exact.replace(absoluteCwd, CWD).split(`/private${CWD}`).join(CWD)
 }
 
 /** Recursively replace generated-cwd spellings while preserving every other JSON value. */
diff --git a/packages/support/acp-snapshot/src/suite.ts b/packages/support/acp-snapshot/src/suite.ts
index 1a8a49dac5..a641bd19cd 100644
--- a/packages/support/acp-snapshot/src/suite.ts
+++ b/packages/support/acp-snapshot/src/suite.ts
@@ -1269,9 +1269,10 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void {
       assertUniqueSnapshotContents('tool-schema', schemas)
     })
 
-    it('every committed JSONL has valid tool results and canonical header storage', async () => {
+    it('every committed JSONL has valid tool results and canonical fixture storage', async () => {
       // Prompts and schemas always leave JSONL. Header pins retain prefixes;
-      // every other fixture tokenizes those too. Fixed-point checks make both
+      // every other fixture tokenizes those too. Portable cwd tokens never
+      // retain a platform realpath prefix. Fixed-point checks make these
       // storage rules fail loud.
       for (const scenario of scenarios) {
         const dir = join(snapshotsDir, scenario.name)
@@ -1280,6 +1281,8 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void {
           const fixture = await readFile(join(dir, file), 'utf8')
           expect(unknownToolCallIds(fixture), `${scenario.name}/${file} contains UNKNOWN_TOOL`)
             .toEqual([])
+          expect(fixture, `${scenario.name}/${file} carries a non-canonical macOS cwd token`)
+            .not.toContain('/private{{cwd}}')
           expect(scrubSystemPrompts(fixture), `${scenario.name}/${file} carries an unscrubbed system prompt`)
             .toEqual(fixture)
           expect(scrubToolSchemas(fixture), `${scenario.name}/${file} carries unscrubbed tool schemas`)
diff --git a/packages/support/acp-snapshot/tests/normalize.spec.ts b/packages/support/acp-snapshot/tests/normalize.spec.ts
index 8bc6a66d14..aea21eb747 100644
--- a/packages/support/acp-snapshot/tests/normalize.spec.ts
+++ b/packages/support/acp-snapshot/tests/normalize.spec.ts
@@ -470,6 +470,24 @@ describe('tokenizeSessionFixtureCwd', () => {
     expect(tokenizeSessionFixtureCwd(out)).toBe(out)
   })
 
+  it('collapses a residual macOS realpath prefix around an existing cwd token', () => {
+    const raw = [
+      JSON.stringify({ type: 'session', id: 's', createdAt: 1, cwd: '{{cwd}}' }),
+      JSON.stringify({
+        type: 'tool/result',
+        seq: 1,
+        time: 2,
+        data: { content: [{ type: 'text', text: 'wrote /private{{cwd}}/proof.txt' }] },
+      }),
+      '',
+    ].join('\n')
+
+    const out = tokenizeSessionFixtureCwd(raw)
+    expect(out).toContain('wrote {{cwd}}/proof.txt')
+    expect(out).not.toContain('/private{{cwd}}')
+    expect(tokenizeSessionFixtureCwd(out)).toBe(out)
+  })
+
   it('rejects a log without a session cwd', () => {
     expect(() => tokenizeSessionFixtureCwd('')).toThrow(
       'acp-snapshot: cannot tokenize a cwd without a basename',
diff --git a/packages/tasks/tasks-local/tests/tasks.spec.ts b/packages/tasks/tasks-local/tests/tasks.spec.ts
index d88e596e67..924c073d61 100644
--- a/packages/tasks/tasks-local/tests/tasks.spec.ts
+++ b/packages/tasks/tasks-local/tests/tasks.spec.ts
@@ -30,6 +30,8 @@ function stubAgent(ctx: Context, rawId: string): Agent {
     followup: () => {},
     steer: () => {},
     inject: () => {},
+    updateInbox: (): 'not-found' => 'not-found',
+    reserveTurnAdmission: () => undefined,
     cancel() {},
     whenIdle() { return Promise.resolve() },
   }
diff --git a/packages/telemetry/session-telemetry-otel/README.i18n.yaml b/packages/telemetry/session-telemetry-otel/README.i18n.yaml
index b1a2052a3f..db61f28a67 100644
--- a/packages/telemetry/session-telemetry-otel/README.i18n.yaml
+++ b/packages/telemetry/session-telemetry-otel/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/telemetry/session-telemetry-otel/README.md
-README.md: 9b208e291e77bee50d9d4fd14808268dca75f2db
-README.zh.md: 76de1bf1ad58a0239907f3b63c672177874c7966
+README.md: ad4a97868c28dc3873c839490aa506271459e249
+README.zh.md: f1ad73ddf66aacc30a9024a9290df2c44686efe9
diff --git a/packages/telemetry/session-telemetry-otel/README.md b/packages/telemetry/session-telemetry-otel/README.md
index 9b208e291e..ad4a97868c 100644
--- a/packages/telemetry/session-telemetry-otel/README.md
+++ b/packages/telemetry/session-telemetry-otel/README.md
@@ -2,7 +2,7 @@
 
 English | [中文](README.zh.md)
 
-The OpenTelemetry backend for [the telemetry seam](../session-telemetry/) — the only entry a deployment loads. It composes the OTel JS SDK as-is (`LoggerProvider` → `BatchLogRecordProcessor` → OTLP/HTTP log exporter) and maps each record the seam hands over onto `logger.emit()`, under two instrumentation scopes: ledger records on `@deepseek-ai/dsh-session-telemetry-otel`, operational records on `@deepseek-ai/dsh-session-telemetry-otel/ops`. Resource identity (`service.name`/`service.version`) comes from `dsh-llm`'s `APP_IDENTITY`, the same source the attribution headers use.
+The OpenTelemetry backend for [the telemetry seam](../session-telemetry/) — the only entry a deployment loads. It composes the OTel JS SDK as-is (`LoggerProvider` → `BatchLogRecordProcessor` → OTLP/HTTP log exporter) and maps each record the seam hands over onto `logger.emit()`, under two instrumentation scopes: ledger records on `@deepseek-ai/dsh-session-telemetry-otel`, operational records on `@deepseek-ai/dsh-session-telemetry-otel/ops`. Resource identity (`service.name`/`service.version`) comes from `dsh-llm`'s `APP_IDENTITY`, the same source the attribution headers use, plus `user.id` — the harness home's anonymous user id this package owns (`src/user-id.ts`: `$DSH_HOME/.userid`, a random UUID minted on first use; deleting the file resets the identity), carried once per export batch on the Resource rather than per record.
 
 ## Config
 
diff --git a/packages/telemetry/session-telemetry-otel/README.zh.md b/packages/telemetry/session-telemetry-otel/README.zh.md
index 76de1bf1ad..f1ad73ddf6 100644
--- a/packages/telemetry/session-telemetry-otel/README.zh.md
+++ b/packages/telemetry/session-telemetry-otel/README.zh.md
@@ -2,7 +2,7 @@
 
 [English](README.md) | 中文
 
-[遥测（telemetry）seam](../session-telemetry/) 的 OpenTelemetry 后端，也是部署方唯一要加载的条目。它原样组合 OTel JS SDK（`LoggerProvider` → `BatchLogRecordProcessor` → OTLP/HTTP 日志导出器），把 seam 交接过来的每条记录映射到 `logger.emit()`，并使用两个插桩作用域（instrumentation scope）：ledger 记录挂在 `@deepseek-ai/dsh-session-telemetry-otel` 下，运维记录挂在 `@deepseek-ai/dsh-session-telemetry-otel/ops` 下。资源身份（`service.name`/`service.version`）来自 `dsh-llm` 的 `APP_IDENTITY`，与归因标头同源。
+[遥测（telemetry）seam](../session-telemetry/) 的 OpenTelemetry 后端，也是部署方唯一要加载的条目。它原样组合 OTel JS SDK（`LoggerProvider` → `BatchLogRecordProcessor` → OTLP/HTTP 日志导出器），把 seam 交接过来的每条记录映射到 `logger.emit()`，并使用两个插桩作用域（instrumentation scope）：ledger 记录挂在 `@deepseek-ai/dsh-session-telemetry-otel` 下，运维记录挂在 `@deepseek-ai/dsh-session-telemetry-otel/ops` 下。资源身份（`service.name`/`service.version`）来自 `dsh-llm` 的 `APP_IDENTITY`，与归因标头同源；另有 `user.id`——本包自有的 harness home 匿名用户 id（`src/user-id.ts`：`$DSH_HOME/.userid`，首用生成随机 UUID；删除该文件即重置身份），随 Resource 每批导出携带一次而非逐条携带。
 
 ## 配置
 
diff --git a/packages/telemetry/session-telemetry-otel/package.json b/packages/telemetry/session-telemetry-otel/package.json
index 7be8c04ce4..49e9ef6cad 100644
--- a/packages/telemetry/session-telemetry-otel/package.json
+++ b/packages/telemetry/session-telemetry-otel/package.json
@@ -36,16 +36,20 @@
     "schemastery": "^3.18.0"
   },
   "peerDependencies": {
+    "@deepseek-ai/dsh-brand": "^0.0.1",
     "@deepseek-ai/dsh-invariants": "^0.0.1",
     "@deepseek-ai/dsh-llm": "^0.0.1",
+    "@deepseek-ai/dsh-paths": "^0.0.1",
     "@deepseek-ai/dsh-session": "^0.0.1",
     "@deepseek-ai/dsh-session-telemetry": "^0.0.1",
     "cordis": "^4.0.0-rc.7"
   },
   "devDependencies": {
     "@cordisjs/plugin-loader": "workspace:^",
+    "@deepseek-ai/dsh-brand": "workspace:^",
     "@deepseek-ai/dsh-invariants": "workspace:^",
     "@deepseek-ai/dsh-llm": "workspace:^",
+    "@deepseek-ai/dsh-paths": "workspace:^",
     "@deepseek-ai/dsh-session": "workspace:^",
     "@deepseek-ai/dsh-session-telemetry": "workspace:^",
     "cordis": "^4.0.0-rc.7"
diff --git a/packages/telemetry/session-telemetry-otel/src/index.ts b/packages/telemetry/session-telemetry-otel/src/index.ts
index 85dd75f275..55caa1037b 100644
--- a/packages/telemetry/session-telemetry-otel/src/index.ts
+++ b/packages/telemetry/session-telemetry-otel/src/index.ts
@@ -17,6 +17,7 @@ import z from 'schemastery'
 import type { Context } from 'cordis'
 import { Telemetry, TelemetryCoordinator, type TelemetryRecord, type TelemetrySeverity } from '@deepseek-ai/dsh-session-telemetry'
 import { APP_IDENTITY } from '@deepseek-ai/dsh-llm'
+import { getOrCreateAnonymousUserId } from './user-id.ts'
 import {
   BatchLogRecordProcessor,
   LoggerProvider,
@@ -118,6 +119,10 @@ export class TelemetryOtel extends Telemetry {
       resource: resourceFromAttributes({
         'service.name': APP_IDENTITY.product,
         'service.version': APP_IDENTITY.version,
+        // OTel semconv's standard user attribute, carried once per export
+        // batch on the Resource rather than per record: the collector
+        // aggregates by Resource, and the id is process-stable anyway.
+        'user.id': getOrCreateAnonymousUserId(),
       }),
       processors: [
         new BatchLogRecordProcessor({
diff --git a/packages/telemetry/session-telemetry-otel/src/user-id.ts b/packages/telemetry/session-telemetry-otel/src/user-id.ts
new file mode 100644
index 0000000000..f06d9856fe
--- /dev/null
+++ b/packages/telemetry/session-telemetry-otel/src/user-id.ts
@@ -0,0 +1,103 @@
+/**
+ * Per-harness-home anonymous user id for the OTel Resource.
+ *
+ * The id is a random UUID persisted as a bare line in `.userid` inside the
+ * harness home resolved by {@link resolveDshHome} (`$DSH_HOME` > `~/.dsh`),
+ * and never derived from the hostname, network address, git remote, or any
+ * other identifying source — a derived id would make "anonymous" a fiction.
+ * The id is scoped to the harness home, not the machine: every process
+ * sharing one `$DSH_HOME` reports the same id, and deleting the file simply
+ * mints a fresh identity on the next launch (loss is accepted by design).
+ * This identity belongs to the OTel feed alone; the dsh-sdk launcher
+ * telemetry keeps its own separate store.
+ *
+ * Reads and writes are synchronous so the backend constructor can call this
+ * on its boot path, and the result is memoized per resolved file path: one
+ * process touches the disk once, and a file deleted mid-run keeps the
+ * process's id until the next launch.
+ *
+ * @module @deepseek-ai/dsh-session-telemetry-otel/user-id
+ */
+
+import { randomUUID } from 'node:crypto'
+import { mkdirSync, readFileSync, writeFileSync } from 'node:fs'
+import { dirname, join } from 'node:path'
+import type { Branded } from '@deepseek-ai/dsh-brand'
+import { resolveDshHome } from '@deepseek-ai/dsh-paths'
+
+/** A harness-home-scoped anonymous user id (random UUID v4). */
+export type AnonymousUserId = Branded<'AnonymousUserId'>
+
+/** File inside the harness home storing the id: a bare UUID line, no wrapper format. */
+export const USER_ID_FILE_NAME = '.userid'
+
+const UUID_PATTERN = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i
+
+/** Ambient seams for locating and generating the id; every field has a default. */
+export interface AnonymousUserIdOptions {
+  /** Environment consulted for `DSH_HOME`; defaults to `process.env`. */
+  env?: NodeJS.ProcessEnv
+  /** UUID generator; defaults to `crypto.randomUUID` (test seam). */
+  randomUUID?: () => string
+}
+
+/** Process-lifetime memo keyed by resolved file path, so distinct test homes never share an id. */
+const memo = new Map<string, AnonymousUserId>()
+
+/** Read a valid persisted id from the file, or `undefined` when absent/corrupt. */
+function readPersistedId(file: string): AnonymousUserId | undefined {
+  let text: string
+  try {
+    text = readFileSync(file, 'utf8')
+  } catch {
+    // Absent or unreadable: the caller mints and persists a fresh id.
+    return undefined
+  }
+  const value = text.trim()
+  return UUID_PATTERN.test(value) ? (value as AnonymousUserId) : undefined
+}
+
+/**
+ * Return the harness home's anonymous user id, creating and persisting one on
+ * first use. A concurrent first launch is settled by an exclusive-create
+ * write: the loser rereads the winner's id. (A reread landing in the winner's
+ * narrow create-to-write window can still yield two per-process ids for that
+ * run; the next launch converges on the persisted one.) Persistence is
+ * best-effort — a write failure (read-only home) still returns a usable id
+ * for the current run so telemetry is never blocked.
+ * @param options - home-location and UUID-generation seams.
+ * @returns the stable per-harness-home anonymous user id.
+ */
+export function getOrCreateAnonymousUserId(options: AnonymousUserIdOptions = {}): AnonymousUserId {
+  const file = join(resolveDshHome(undefined, options.env ?? process.env), USER_ID_FILE_NAME)
+  const cached = memo.get(file)
+  if (cached !== undefined) return cached
+
+  let id = readPersistedId(file)
+  if (id === undefined) {
+    const generate = options.randomUUID ?? randomUUID
+    const created = generate() as AnonymousUserId
+    try {
+      mkdirSync(dirname(file), { recursive: true })
+      writeFileSync(file, `${created}\n`, { encoding: 'utf8', flag: 'wx' })
+      id = created
+    } catch {
+      // A wx refusal (EEXIST) covers both a concurrent winner and a
+      // pre-existing corrupt file: the reread adopts a valid winner, and an
+      // invalid reread falls through to the overwrite path. Non-EEXIST
+      // failures (read-only home) land there too, accepted best-effort below.
+      id = readPersistedId(file)
+      if (id === undefined) {
+        try {
+          writeFileSync(file, `${created}\n`, 'utf8')
+        } catch {
+          // Best-effort persistence: keep the fresh id in memory even when the
+          // home is unwritable, so this run still reports a consistent id.
+        }
+        id = created
+      }
+    }
+  }
+  memo.set(file, id)
+  return id
+}
diff --git a/packages/telemetry/session-telemetry-otel/tests/otel.spec.ts b/packages/telemetry/session-telemetry-otel/tests/otel.spec.ts
index 1b720c194d..0f3b783b37 100644
--- a/packages/telemetry/session-telemetry-otel/tests/otel.spec.ts
+++ b/packages/telemetry/session-telemetry-otel/tests/otel.spec.ts
@@ -5,11 +5,15 @@
  * for the default-exported Service class.
  */
 
-import { afterEach, describe, expect, it } from 'vitest'
+import { afterAll, afterEach, beforeAll, describe, expect, it } from 'vitest'
 import { createServer, type Server } from 'node:http'
 import { once } from 'node:events'
+import { mkdtempSync, rmSync } from 'node:fs'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
 import { gunzipSync } from 'node:zlib'
 import { Context } from 'cordis'
+import { getOrCreateAnonymousUserId } from '../src/user-id.ts'
 import Loader from '@cordisjs/plugin-loader'
 import SessionStore, { SessionId } from '@deepseek-ai/dsh-session'
 import TelemetryOtel, { Config } from '../src/index.ts'
@@ -37,6 +41,21 @@ interface OtlpLogsRequest {
 
 const servers: Server[] = []
 
+// The backend resolves the harness home's anonymous user id at construction;
+// pin DSH_HOME to a temp dir so the suite never touches the ambient ~/.dsh.
+let tempHome: string
+let previousDshHome: string | undefined
+beforeAll(() => {
+  tempHome = mkdtempSync(join(tmpdir(), 'dsh-otel-home-'))
+  previousDshHome = process.env.DSH_HOME
+  process.env.DSH_HOME = tempHome
+})
+afterAll(() => {
+  if (previousDshHome === undefined) delete process.env.DSH_HOME
+  else process.env.DSH_HOME = previousDshHome
+  rmSync(tempHome, { recursive: true, force: true })
+})
+
 afterEach(async () => {
   for (const server of servers.splice(0)) {
     server.close()
@@ -104,6 +123,7 @@ describe('TelemetryOtel wire', () => {
 
     const resource = first.body.resourceLogs[0]!.resource.attributes
     expect(resource).toContainEqual({ key: 'service.name', value: { stringValue: 'deepseek-harness' } })
+    expect(resource).toContainEqual({ key: 'user.id', value: { stringValue: getOrCreateAnonymousUserId() } })
 
     const records = allRecords(captures)
     const ledger = records.filter(r => r.scope === '@deepseek-ai/dsh-session-telemetry-otel')
diff --git a/packages/telemetry/session-telemetry-otel/tests/user-id.spec.ts b/packages/telemetry/session-telemetry-otel/tests/user-id.spec.ts
new file mode 100644
index 0000000000..f4d9505546
--- /dev/null
+++ b/packages/telemetry/session-telemetry-otel/tests/user-id.spec.ts
@@ -0,0 +1,107 @@
+import { chmodSync, existsSync, mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from 'node:fs'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
+import { afterEach, describe, expect, it } from 'vitest'
+import {
+  USER_ID_FILE_NAME,
+  getOrCreateAnonymousUserId,
+} from '../src/user-id.ts'
+
+const dirs: string[] = []
+
+function tempHome(): string {
+  const dir = mkdtempSync(join(tmpdir(), 'dsh-userid-'))
+  dirs.push(dir)
+  return dir
+}
+
+afterEach(() => {
+  for (const dir of dirs.splice(0)) {
+    chmodSync(dir, 0o700)
+    rmSync(dir, { recursive: true, force: true })
+  }
+})
+
+const UUID = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i
+
+describe('getOrCreateAnonymousUserId', () => {
+  it('creates, persists, and returns a bare UUID line on first use', () => {
+    const home = tempHome()
+    const id = getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })
+    expect(id).toMatch(UUID)
+    expect(readFileSync(join(home, USER_ID_FILE_NAME), 'utf8')).toBe(`${id}\n`)
+  })
+
+  it('creates the home directory when missing', () => {
+    const home = join(tempHome(), 'nested', 'home')
+    const id = getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })
+    expect(readFileSync(join(home, USER_ID_FILE_NAME), 'utf8')).toBe(`${id}\n`)
+  })
+
+  it('returns the persisted id on subsequent calls, tolerating surrounding whitespace', () => {
+    const home = tempHome()
+    const existing = '01234567-89ab-4cde-8f01-23456789abcd'
+    writeFileSync(join(home, USER_ID_FILE_NAME), `  ${existing}\n\n`, 'utf8')
+    expect(getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })).toBe(existing)
+  })
+
+  it('overwrites a corrupt file with a fresh id', () => {
+    const home = tempHome()
+    writeFileSync(join(home, USER_ID_FILE_NAME), 'not-a-uuid\n', 'utf8')
+    const id = getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })
+    expect(id).toMatch(UUID)
+    expect(readFileSync(join(home, USER_ID_FILE_NAME), 'utf8')).toBe(`${id}\n`)
+  })
+
+  it('adopts a concurrent winner: exclusive create loses to an id written after the initial read', () => {
+    const home = tempHome()
+    const winner = 'aaaaaaaa-bbbb-4ccc-8ddd-eeeeeeeeeeee'
+    const file = join(home, USER_ID_FILE_NAME)
+    // The generator seam runs between the initial read (absent) and the wx
+    // write, so planting the winner here simulates the concurrent first launch.
+    const id = getOrCreateAnonymousUserId({
+      env: { DSH_HOME: home },
+      randomUUID: () => {
+        writeFileSync(file, `${winner}\n`, 'utf8')
+        return 'ffffffff-0000-4000-8000-000000000000'
+      },
+    })
+    expect(id).toBe(winner)
+  })
+
+  it('returns a usable id when the home is unwritable, without persisting', () => {
+    const home = tempHome()
+    const blocked = join(home, 'blocked')
+    mkdirSync(blocked)
+    chmodSync(blocked, 0o500)
+    const id = getOrCreateAnonymousUserId({ env: { DSH_HOME: blocked } })
+    expect(id).toMatch(UUID)
+    expect(existsSync(join(blocked, USER_ID_FILE_NAME))).toBe(false)
+  })
+
+  it('memoizes per resolved home for the process lifetime: one read, deletion-proof', () => {
+    const home = tempHome()
+    const first = getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })
+    rmSync(join(home, USER_ID_FILE_NAME))
+    expect(getOrCreateAnonymousUserId({ env: { DSH_HOME: home } })).toBe(first)
+  })
+
+  it('keeps distinct homes on distinct ids', () => {
+    const a = getOrCreateAnonymousUserId({ env: { DSH_HOME: tempHome() } })
+    const b = getOrCreateAnonymousUserId({ env: { DSH_HOME: tempHome() } })
+    expect(a).not.toBe(b)
+  })
+
+  it('reads process.env by default', () => {
+    const home = tempHome()
+    const previous = process.env.DSH_HOME
+    process.env.DSH_HOME = home
+    try {
+      const id = getOrCreateAnonymousUserId()
+      expect(readFileSync(join(home, USER_ID_FILE_NAME), 'utf8')).toBe(`${id}\n`)
+    } finally {
+      if (previous === undefined) delete process.env.DSH_HOME
+      else process.env.DSH_HOME = previous
+    }
+  })
+})
diff --git a/packages/telemetry/session-telemetry-otel/tsconfig.json b/packages/telemetry/session-telemetry-otel/tsconfig.json
index 9512133cf7..8acfe15b33 100644
--- a/packages/telemetry/session-telemetry-otel/tsconfig.json
+++ b/packages/telemetry/session-telemetry-otel/tsconfig.json
@@ -26,6 +26,12 @@
     {
       "path": "../session-telemetry"
     },
+    {
+      "path": "../../util/brand"
+    },
+    {
+      "path": "../../util/paths"
+    },
     {
       "path": "../../support/invariants"
     }
diff --git a/packages/typert/loader/tests/loader.spec.ts b/packages/typert/loader/tests/loader.spec.ts
index 4fc6f09438..c61db1ae9c 100644
--- a/packages/typert/loader/tests/loader.spec.ts
+++ b/packages/typert/loader/tests/loader.spec.ts
@@ -172,9 +172,10 @@ describe('typert loader', () => {
     expect(ctx.typert.get('@fixture/late#Late')).toBeUndefined()
     await ctx.loader.create({ name: '@fixture/late' })
     await ctx.loader.await()
-    // The microtask flush and the dynamic import need a turn to settle.
-    await new Promise(resolve => setTimeout(resolve, 20))
-    expect(ctx.typert.get('@fixture/late#Late')).toBeDefined()
+    // Contributor import settles after Loader's own await boundary.
+    await vi.waitFor(() => {
+      expect(ctx.typert.get('@fixture/late#Late')).toBeDefined()
+    }, { timeout: 10_000 })
   })
 
   it('drops an in-flight manifest when the loader is disposed before import settles', LOADER_TEST_TIMEOUT, async () => {
diff --git a/packages/ui/app-boot/README.i18n.yaml b/packages/ui/app-boot/README.i18n.yaml
index c670928ba7..75b1ec16b2 100644
--- a/packages/ui/app-boot/README.i18n.yaml
+++ b/packages/ui/app-boot/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/ui/app-boot/README.md
-README.md: 1beffd6fbff2b84202683b010cd104f7c84297c7
-README.zh.md: d9ce9774b9b492a98556bbd9aa4564b711dbe40e
+README.md: ebd8e0842b934f6887e3c122e781c1d0f13bb5d3
+README.zh.md: ccd897d48178482aa74d0eb73505e26ec3a08d6c
diff --git a/packages/ui/app-boot/README.md b/packages/ui/app-boot/README.md
index 1beffd6fbf..ebd8e0842b 100644
--- a/packages/ui/app-boot/README.md
+++ b/packages/ui/app-boot/README.md
@@ -10,16 +10,17 @@ Shared boot glue for the app bins ([`dsh`](../../../apps/cli/README.md), [`dsh-c
 | `loadEnv(binName, dir?, warn?)` | Load the gitignored `.env` (Node `process.loadEnvFile`); absent file is fine, an unloadable one warns a single labelled line (default: stderr) |
 | `installFailLoud(binName, proc?)` | Turn a post-`boot()` unhandled Loader rejection into one labelled stderr line + `exit(1)`; returns the uninstaller (for tests) |
 | `assertEntriesLoaded(ctx, binName)` | Throw when a settled tree holds an enabled entry with no fiber, reporting every unresolved plugin name as a Cordis startup failure |
-| `assertEntriesActive(ctx, binName)` | Throw when a settled enabled fiber is not ACTIVE, including missing injected services for PENDING entries |
+| `assertEntriesActivated(ctx, binName)` | Include the `assertEntriesLoaded` check, then await every enabled entry after the Loader settles; throw with each failed plugin's original stack or each pending plugin's unresolved services |
 | `loadPersonalPatches(binName, dir?)` | Parse the optional `config.yaml` in the Harness home (default [`resolveDshHome()`](../../util/paths/README.md): `$DSH_HOME`, else `~/.dsh`) — a top-level YAML array of include `PatchOptions` (id-targeted config overrides, `insert` lists, `!!js` allowed); absent file → `undefined`, an unreadable/unparsable/non-array file throws |
 | `loadOverlayPatches(binName, file)` | Parse a required patch-list file with the same shape as personal config; read or parse failures throw a labelled error |
-| `boot(binName, absoluteConfigPath, patches?, prepare?)` | Create the root context, install Loader, run optional host preparation before config-tree entries mount (`prepare` may use Loader and provide launcher-owned context slots such as [`MAIN_SESSION_ID_KEY`](../tui/README.md)), then mount and await the include tree, assert entries loaded and ACTIVE, and return the root context |
+| `boot(binName, absoluteConfigPath, patches?, prepare?)` | Create the root context, expose `dshHomePath(...segments)` to Loader `!!js` config expressions, install Loader, run optional host preparation before config-tree entries mount (`prepare` may use Loader and provide launcher-owned context slots such as [`MAIN_SESSION_ID_KEY`](../tui/README.md)), then mount and await the include tree, assert entries loaded and activated, and return the root context |
+| `renderConfigDump(binName, absoluteConfigPath, layers, warn?)` | Compose the base config and labeled overlay layers offline — the include's own parser and patch algorithm (`entryListSchema`/`applyEntryPatches`), so the result equals what `boot()` mounts — and render YAML with `!!js` expressions verbatim; each run of same-provenance rows is preceded by a `# ==` comment naming the contributing file and the layers that patched it, keeping the output one loadable document; a patch matching no row goes to `warn` with its layer label (default: one stderr line), read/parse/shape failures throw |
 | `addHarnessSourceSection(ctx, sourceRoot)` | Add a global `harness:source` prompt section (ordered just after the harness identity, before the persona) telling the agent the on-disk path to its own source checkout; a no-op returning `undefined` when the booted tree has no `systemPrompt` service. The section is registered against that service's fiber, so a dev HMR reload of the system prompt drops it until the next boot |
 | `HARNESS_SOURCE_SECTION` | The `'harness:source'` section name `addHarnessSourceSection` registers under |
 
-Two failure classes the guards handle: `loader.await()` swallows init rejections (`Promise.allSettled`) — Node still exits non-zero on the resulting unhandled rejection, and `installFailLoud` replaces the noisy dump with one labelled line and a guaranteed `exit(1)`; a failed plugin import is only logged by the Loader (the process would otherwise exit 0 on a usable config typo), leaving a fiber-less entry that `assertEntriesLoaded` turns into a `boot()` rejection naming every failed plugin.
+Two Loader failure classes require separate guards because tree settlement propagates neither to its caller. A failed plugin import leaves a fiber-less entry that `assertEntriesLoaded` turns into a `boot()` rejection naming every unresolved plugin. A plugin callback or config failure leaves a failed fiber because `loader.await()` settles lifecycle tasks without propagating that error; `assertEntriesActivated` awaits the fiber explicitly and includes its original stack in the startup rejection. Before throwing, the audit marks those exact rejection reasons through one process checkpoint so `installFailLoud` coalesces Loader's duplicate notification while every unrelated unhandled rejection remains fatal.
 
-Bare plugin specifiers in a config (`@deepseek-ai/dsh-*`, npm packages) resolve through the Cordis Loader's internal module loader. Repository bins install Loader's optional `node-addon-require-builtin` peer; external callers must supply it or install plugins where plain Node import resolution can find them. Relative specifiers resolve against the config directory without the native helper. The `dsh` source launcher additionally maps manifest-declared workspace packages to their TypeScript source; its configuration gate requires every TUI/Web bare plugin to appear in the resolver manifest's `dependencies`. The bins' subprocess smokes exercise the internal-loader path, while this package's unit suite drives `boot()` in-process against configs with relative specifiers.
+Bare plugin specifiers in a config (`@deepseek-ai/dsh-*`, npm packages) resolve through the Cordis Loader's internal module loader. Repository bins install Loader's optional `node-addon-require-builtin` peer; external callers must supply it or install plugins where plain Node import resolution can find them. Relative specifiers resolve against the config directory without the native helper. The built `dsh-app-boot` artifact embeds the statically mounted Include implementation while leaving Loader external, so the include tree and host bind to one Loader peer. The `dsh` source launcher additionally maps manifest-declared workspace packages to their TypeScript source; its configuration gate requires every TUI/Web bare plugin to appear in the resolver manifest's `dependencies`. The bins' subprocess smokes exercise the internal-loader path, while this package's unit suite drives `boot()` in-process against configs with relative specifiers.
 
 This package carries no loader hooks and no dev-mode surface. The [`dsh` app](../../../apps/cli/README.md) owns its Node source-launch hook and consumes these helpers for the boot sequence; built consumers continue to use plain Node package resolution.
 
diff --git a/packages/ui/app-boot/README.zh.md b/packages/ui/app-boot/README.zh.md
index d9ce9774b9..ccd897d481 100644
--- a/packages/ui/app-boot/README.zh.md
+++ b/packages/ui/app-boot/README.zh.md
@@ -10,16 +10,17 @@
 | `loadEnv(binName, dir?, warn?)` | 加载已被 git 忽略的 `.env`（Node `process.loadEnvFile`）；文件不存在不影响启动，文件无法加载时输出一行带标签的警告（默认写入 stderr） |
 | `installFailLoud(binName, proc?)` | 将 `boot()` 之后未处理的 Loader rejection 转换为一行带标签的 stderr 消息并执行 `exit(1)`；返回卸载函数（供测试使用） |
 | `assertEntriesLoaded(ctx, binName)` | 树结算后，如果其中存在已启用但没有 fiber 的条目，则抛出异常，并以 Cordis 启动故障的形式报告每个未解析插件的名称 |
-| `assertEntriesActive(ctx, binName)` | 树结算后，如果已启用的 fiber 未处于 ACTIVE 状态，则抛出异常；对于 PENDING 条目还会列出缺失的注入服务 |
+| `assertEntriesActivated(ctx, binName)` | 先执行 `assertEntriesLoaded` 检查，再在 Loader 结算后等待每个已启用配置项；抛出的错误包含每个失败插件的原始错误堆栈，或每个等待中插件尚未解析的服务 |
 | `loadPersonalPatches(binName, dir?)` | 解析 Harness home 中可选的 `config.yaml`（默认使用 [`resolveDshHome()`](../../util/paths/README.md)：先取 `$DSH_HOME`，否则取 `~/.dsh`）：其顶层是一个 YAML 数组，内容为 include 的 `PatchOptions`（按 id 定位的配置覆盖、`insert` 列表，允许 `!!js`）；文件不存在时返回 `undefined`，文件不可读、不可解析或内容不是数组时抛出异常 |
 | `loadOverlayPatches(binName, file)` | 解析一份必需的 patch 列表文件，其形状与个人配置相同；读取或解析失败时抛出带标签的错误 |
-| `boot(binName, absoluteConfigPath, patches?, prepare?)` | 创建根上下文并安装 Loader，在配置树条目挂载前执行可选的宿主准备操作（`prepare` 可以使用 Loader，也可以提供由启动器拥有的上下文插槽，例如 [`MAIN_SESSION_ID_KEY`](../tui/README.md)），再挂载并等待 include 树结算，断言所有条目均已加载且处于 ACTIVE 状态，最后返回根上下文 |
+| `boot(binName, absoluteConfigPath, patches?, prepare?)` | 创建根上下文，向 Loader `!!js` 配置表达式暴露 `dshHomePath(...segments)` 并安装 Loader，在配置树条目挂载前执行可选的宿主准备操作（`prepare` 可以使用 Loader，也可以提供由启动器拥有的上下文插槽，例如 [`MAIN_SESSION_ID_KEY`](../tui/README.md)），再挂载并等待 include 树结算，断言所有条目均已加载并激活，最后返回根上下文 |
+| `renderConfigDump(binName, absoluteConfigPath, layers, warn?)` | 离线合成基础配置与带标签的覆盖层——使用 include 自己的解析器和补丁算法（`entryListSchema`/`applyEntryPatches`），因此结果与 `boot()` 挂载的内容一致——并渲染为 YAML，`!!js` 表达式原样保留；每段来源相同的连续行之前都有一条 `# ==` 注释，标明贡献该段的文件以及修补过它的层，输出仍是一份可加载的文档；未匹配到行的补丁连同其层标签交给 `warn`（默认：一行 stderr），读取／解析／形状失败则抛出 |
 | `addHarnessSourceSection(ctx, sourceRoot)` | 添加全局 `harness:source` 提示词段落（顺序紧随 harness 身份、位于 persona 之前），告知 agent（智能体）自身源代码 checkout 的磁盘路径；如果已启动树没有此项服务，则不执行操作并返回 `undefined`。这里的服务是 `systemPrompt`；该段落注册到它的 fiber，因此开发环境 HMR（热模块替换）重新加载系统提示词后，它会消失直至下次启动 |
 | `HARNESS_SOURCE_SECTION` | `'harness:source'` 段落名称，供 `addHarnessSourceSection` 注册使用 |
 
-这些保护处理两类故障。`loader.await()` 会吞掉初始化 rejection（`Promise.allSettled`）；Node 仍会因随后产生的未处理 rejection 以非零状态退出，而 `installFailLoud` 会把冗长转储替换为一行带标签的消息，并确保执行 `exit(1)`。插件导入失败则只会由 Loader 记录日志（否则，即使配置存在拼写错误，进程也会以代码 0 退出），并留下没有 fiber 的条目；`assertEntriesLoaded` 会将其转换为 `boot()` rejection，并在其中列出每个导入失败插件的名称。
+Loader 树结算不会向调用方传播两类故障，因此需要分别保护。插件导入失败会留下没有 fiber 的配置项，`assertEntriesLoaded` 将其转换为 `boot()` rejection，并列出每个未解析插件。插件回调或配置失败则会留下失败的 fiber，因为 `loader.await()` 只结算生命周期任务，不传播该错误；`assertEntriesActivated` 会显式等待该 fiber，并把原始错误堆栈写入启动 rejection。抛出错误前，审计会通过一个进程级检查点标记这些 rejection 的确切原因，从而让 `installFailLoud` 将 Loader 的重复通知合并为一次，而所有无关的未处理 rejection 仍然致命。
 
-配置中的裸插件 specifier（`@deepseek-ai/dsh-*`、npm 包（package））通过 Cordis Loader 的内部模块 loader 解析。仓库 bin 会安装 Loader 的可选 peer `node-addon-require-builtin`；外部调用方必须提供该组件，或者把插件安装到普通 Node import 解析可以找到的位置。相对 specifier 无需原生 helper，并以配置目录为基准解析。`dsh` 源码启动器还会将 manifest（元数据清单）声明的 workspace 包映射到其 TypeScript 源码；其配置门禁要求每个 TUI／Web 裸插件都出现在解析所用 manifest 的 `dependencies` 中。bin 的子进程冒烟测试覆盖内部 loader 路径，而本包的单元测试套件会在进程内使用相对 specifier 配置驱动 `boot()`。
+配置中的裸插件 specifier（`@deepseek-ai/dsh-*`、npm 包（package））通过 Cordis Loader 的内部模块 loader 解析。仓库 bin 会安装 Loader 的可选 peer `node-addon-require-builtin`；外部调用方必须提供该组件，或者把插件安装到普通 Node import 解析可以找到的位置。相对 specifier 无需原生 helper，并以配置目录为基准解析。构建后的 `dsh-app-boot` 产物内嵌静态挂载的 Include 实现，但仍将 Loader 保持为外部依赖，因此 include 树与 host 会绑定到同一个 Loader peer。`dsh` 源码启动器还会将 manifest（元数据清单）声明的 workspace 包映射到其 TypeScript 源码；其配置门禁要求每个 TUI／Web 裸插件都出现在解析所用 manifest 的 `dependencies` 中。bin 的子进程冒烟测试覆盖内部 loader 路径，而本包的单元测试套件会在进程内使用相对 specifier 配置驱动 `boot()`。
 
 此包不包含 loader 钩子，也不提供开发模式接口。[`dsh` 应用](../../../apps/cli/README.md)持有自己的 Node 源码启动钩子，并在启动序列中使用这些 helper；构建后的消费方仍使用普通 Node 包解析。
 
diff --git a/packages/ui/app-boot/src/index.ts b/packages/ui/app-boot/src/index.ts
index b404809527..982bcc59ed 100644
--- a/packages/ui/app-boot/src/index.ts
+++ b/packages/ui/app-boot/src/index.ts
@@ -1,8 +1,8 @@
 /**
  * Shared boot glue for the app bins (`dsh`, `dsh-cli-demo`, `dsh-acp-demo`): load the gitignored
  * `.env`, install the fail-loud Loader guards, resolve the config path (snapshot-aware), load the
- * optional personal overlay patches from the Harness home (`~/.dsh`), and drive the cordis Loader
- * against a leaf `cordis.yml` until the whole tree has settled.
+ * optional personal overlay patches from the Harness home (`~/.dsh`), expose its path resolver to
+ * config expressions, and drive the Cordis Loader against a leaf `cordis.yml` until the tree settles.
  * @module @deepseek-ai/dsh-app-boot
  */
 
@@ -12,11 +12,18 @@ import { basename, dirname, join, resolve } from 'node:path'
 import * as yaml from 'js-yaml'
 import { Context, type FiberState } from 'cordis'
 import Loader from '@cordisjs/plugin-loader'
-import Include, { type PatchOptions } from '@cordisjs/plugin-include'
-import { resolveDshHome } from '@deepseek-ai/dsh-paths'
+import Include, { applyEntryPatches, entryListSchema, type PatchOptions } from '@cordisjs/plugin-include'
+import { dshHomePath, resolveDshHome } from '@deepseek-ai/dsh-paths'
 // Side-effect type import: resolves `ctx.get('systemPrompt')` to the service.
 import type {} from '@deepseek-ai/dsh-system-prompt'
 
+declare module 'cordis' {
+  interface Context {
+    /** Harness-home path resolver available to Loader `!!js` config expressions. */
+    dshHomePath?: typeof dshHomePath
+  }
+}
+
 /**
  * Resolve the config to boot. Replay swaps a `cordis.yml` basename for
  * `cordis.snapshot.yml` in the same directory; every other mode keeps the path.
@@ -60,16 +67,12 @@ export function loadEnv(
 /** File inside the Harness home holding the personal loader overlay patches. */
 export const PERSONAL_CONFIG_FILENAME = 'config.yaml'
 
-// The include's YAML dialect: `!!js` scalars become expression nodes the
-// Loader interpolates against each entry's context at mount time. Personal
-// patches are parsed with the same schema so they may reference `process.env`.
-// Load-only: this schema never dumps, so no `predicate`/`represent`.
-const jsExprType = new yaml.Type('tag:yaml.org,2002:js', {
-  kind: 'scalar',
-  resolve: data => typeof data === 'string',
-  construct: data => ({ __jsExpr: String(data) }),
-})
-const personalPatchesSchema = yaml.JSON_SCHEMA.extend(jsExprType)
+// The include's YAML dialect (`!!js` scalars become expression nodes the
+// Loader interpolates against each entry's context at mount time), imported
+// from the include itself so patch parsing and config dumping can never drift
+// from what the include mounts. Personal patches share it so they may
+// reference `process.env`.
+const personalPatchesSchema = entryListSchema
 
 /**
  * Load the optional personal overlay patches (`config.yaml` under the Harness
@@ -149,6 +152,141 @@ function parsePatchList(
   return parsed as PatchOptions[]
 }
 
+/** One overlay patch list with the label provenance comments print for it. */
+export interface ConfigDumpLayer {
+  /** Source name shown in provenance comments (a file basename or path). */
+  label: string
+  /** The layer's patches, from {@link loadOverlayPatches} / {@link loadPersonalPatches}. */
+  patches: PatchOptions[]
+}
+
+/**
+ * Compose the effective entry list exactly as `boot()` would mount it: parse
+ * the base config file with the include's entry-list dialect, apply every
+ * layer's patches as ONE flattened list through the include's own patch
+ * algorithm (`applyEntryPatches`) — the same single call `boot()` makes, so
+ * even patch-visibility corner cases (a later layer targeting a group child a
+ * plain config replacement introduced, which the single-pass id index never
+ * sees) compose identically — then render the result as YAML in the same
+ * dialect (`!!js` expressions print verbatim, unevaluated).
+ *
+ * Every run of rows with the same provenance is preceded by a `# ==` comment
+ * naming the file that contributed the rows and any layers that patched them,
+ * so the output stays a loadable YAML document while showing which section
+ * comes from which file. Provenance is derived from single-call prefix
+ * snapshots (base + layers 1..k), diffed positionally: the patch algorithm
+ * only rewrites rows in place or appends, so a top-level index identifies one
+ * row across snapshots, and a layer whose addition changes the row (config
+ * replacement, disable, group insert) is listed as having patched it.
+ *
+ * A patch that matches no row is reported through `warn` with its layer
+ * label, mirroring the Loader's boot-time warning. Earlier layers' patches
+ * see an identical preceding state in every snapshot that includes them, so
+ * each snapshot's warning list extends the previous one and the new tail
+ * belongs to the added layer.
+ * @param binName - the diagnostic prefix on read/parse errors.
+ * @param absoluteConfigPath - the base config file `boot()` would include.
+ * @param layers - overlay layers in application order (later wins).
+ * @param warn - sink for skipped-patch diagnostics; defaults to stderr.
+ * @returns the composed entry list rendered as a YAML document with
+ * provenance comment separators.
+ */
+export function renderConfigDump(
+  binName: string,
+  absoluteConfigPath: string,
+  layers: ConfigDumpLayer[],
+  warn: (line: string) => void = line => void process.stderr.write(`${line}\n`),
+): string {
+  let content: string
+  try {
+    content = readFileSync(absoluteConfigPath, 'utf8')
+  } catch (error) {
+    throw new Error(`${binName}: failed to read config ${absoluteConfigPath}: ${String(error)}`)
+  }
+  let parsed: unknown
+  try {
+    parsed = yaml.load(content, { schema: entryListSchema })
+  } catch (error) {
+    throw new Error(`${binName}: failed to parse config ${absoluteConfigPath}: ${String(error)}`)
+  }
+  if (!Array.isArray(parsed)) {
+    throw new Error(`${binName}: config ${absoluteConfigPath} must be a top-level YAML array of entries`)
+  }
+  const baseLabel = basename(absoluteConfigPath)
+  // The YAML boundary yields untyped rows; the include validates entry shape
+  // at mount, and the dump prints whatever the file holds, so `EntryOptions`
+  // here is structural trust in the same file `boot()` would include.
+  const base = parsed as Parameters<typeof applyEntryPatches>[0]
+  // snapshot_k = ONE application of layers 1..k flattened — boot's exact call
+  // shape for that prefix. snapshot_N is therefore the mounted composition.
+  // The patches are cloned per call: applyEntryPatches detaches the entry
+  // list but pushes `insert` rows by reference from the patch list, so
+  // sharing patch objects across snapshot calls would leak a later
+  // snapshot's mutations into an earlier one's result.
+  const snapshot = (count: number, warnings: string[]): ReturnType<typeof applyEntryPatches> => {
+    const flattened = structuredClone(layers.slice(0, count).flatMap(layer => layer.patches))
+    return applyEntryPatches(base, flattened, (message: string, ...args: unknown[]) => {
+      // The include logs through cordis's printf-style logger (`%C` = code); a
+      // dump has no logger, so substitute inline for a plain line.
+      let index = 0
+      warnings.push(message.replace(/%C/g, () => JSON.stringify(args[index++])))
+    })
+  }
+  let previous = base
+  let previousWarnings: string[] = []
+  const provenance: { origin: string; patchedBy: string[] }[] = base.map(() => ({ origin: baseLabel, patchedBy: [] }))
+  let composed = base
+  for (let count = 1; count <= layers.length; count += 1) {
+    const layer = layers[count - 1]
+    /* v8 ignore next -- count iterates 1..length, so the slot exists */
+    if (layer === undefined) continue
+    const warnings: string[] = []
+    composed = snapshot(count, warnings)
+    for (const line of warnings.slice(previousWarnings.length)) {
+      warn(`${binName}: [${layer.label}] ${line}`)
+    }
+    const before = previous.map(entry => JSON.stringify(entry))
+    for (let index = 0; index < composed.length; index += 1) {
+      if (index >= before.length) provenance.push({ origin: layer.label, patchedBy: [] })
+      else if (JSON.stringify(composed[index]) !== before[index]) provenance[index]?.patchedBy.push(layer.label)
+    }
+    previous = composed
+    previousWarnings = warnings
+  }
+  return groupedDump(composed, provenance)
+}
+
+/** Render the composed rows grouped under one provenance comment per contiguous run. */
+function groupedDump(
+  composed: readonly unknown[],
+  provenance: readonly { origin: string; patchedBy: string[] }[],
+): string {
+  const lines: string[] = []
+  let currentLabel: string | undefined
+  let group: unknown[] = []
+  const flush = (): void => {
+    if (currentLabel === undefined || group.length === 0) return
+    lines.push(`# == ${currentLabel}`)
+    lines.push(yaml.dump(group, { schema: entryListSchema, noRefs: true }).trimEnd())
+    group = []
+  }
+  for (let index = 0; index < composed.length; index += 1) {
+    const record = provenance[index]
+    /* v8 ignore next -- provenance is index-aligned with composed by construction */
+    if (record === undefined) continue
+    const label = record.patchedBy.length === 0
+      ? record.origin
+      : `${record.origin}, patched by ${record.patchedBy.join(', ')}`
+    if (label !== currentLabel) {
+      flush()
+      currentLabel = label
+    }
+    group.push(composed[index])
+  }
+  flush()
+  return lines.join('\n') + '\n'
+}
+
 /**
  * The slice of `process` {@link installFailLoud} needs — injectable so tests
  * exercise the handler without registering on (or exiting) the real process.
@@ -160,16 +298,46 @@ export interface FailLoudProcess {
   exit(code: number): void
 }
 
+// Loader rc.5 derives and drops a rejected promise after a fiber fails. Keep
+// exact reasons already folded into the boot diagnostic visible through the
+// next process rejection checkpoint so the process guard can coalesce them.
+const assembledActivationRejections = new Map<unknown, number>()
+
+function retainAssembledRejection(reason: unknown): void {
+  assembledActivationRejections.set(reason, (assembledActivationRejections.get(reason) ?? 0) + 1)
+}
+
+function releaseAssembledRejection(reason: unknown): void {
+  const count = assembledActivationRejections.get(reason)
+  if (count === undefined || count === 1) {
+    assembledActivationRejections.delete(reason)
+  } else {
+    assembledActivationRejections.set(reason, count - 1)
+  }
+}
+
+async function observeLoaderRejectionCheckpoint(reasons: readonly unknown[]): Promise<void> {
+  for (const reason of reasons) retainAssembledRejection(reason)
+  try {
+    await new Promise<void>(resolve => setImmediate(resolve))
+  } finally {
+    for (const reason of reasons) releaseAssembledRejection(reason)
+  }
+}
+
 /**
  * Install before boot to turn a late unhandled plugin-init rejection into one
- * labelled stderr diagnostic and `exit(1)`. Stdout remains untouched for ACP;
- * the returned function removes the handler.
+ * labelled stderr diagnostic and `exit(1)`. A rejection already included by
+ * {@link assertEntriesActivated} is ignored during its process checkpoint;
+ * every other rejection remains fatal. Stdout remains untouched for ACP; the
+ * returned function removes the handler.
  * @param binName - the diagnostic prefix on the fatal-failure line.
  * @param proc - the process slice to register on; tests inject a fake.
  * @returns the uninstaller that removes the rejection handler.
  */
 export function installFailLoud(binName: string, proc: FailLoudProcess = process): () => void {
   const handler = (err: unknown): void => {
+    if (assembledActivationRejections.has(err)) return
     proc.stderr.write(`${binName}: fatal load failure: ${err instanceof Error ? err.stack ?? err.message : String(err)}\n`)
     proc.exit(1)
   }
@@ -192,28 +360,64 @@ export function assertEntriesLoaded(ctx: Context, binName: string): void {
   }
 }
 
-/** Runtime mirrors for Cordis's erased const-enum fiber states. */
-const FIBER_ACTIVE = 2 as FiberState.ACTIVE
+/**
+ * Value mirrors used because Cordis's const enum has no runtime object to import.
+ * Keep aligned with `packages/cordis/tool-cordis/src/fiber-state.ts` and
+ * `packages/client/web/src/loader-status.ts`.
+ */
 const FIBER_PENDING = 0 as FiberState.PENDING
+const FIBER_ACTIVE = 2 as FiberState.ACTIVE
+const FIBER_FAILED = 3 as FiberState.FAILED
+
+/** Render a thrown plugin value without discarding an Error's original stack. */
+function formatActivationError(error: unknown): string {
+  return error instanceof Error ? error.stack ?? error.message : String(error)
+}
 
 /**
- * Reject enabled Loader entries whose fibers did not reach ACTIVE after settle.
- * @param ctx - The settled application root.
- * @param binName - Diagnostic prefix.
+ * Reject a settled Loader tree when an enabled entry failed or remains inactive.
+ * Plugin failures include the original thrown stack; pending entries name their
+ * unresolved services because no plugin error exists for that state. Active
+ * entries require no further wait; only failed fibers are awaited to recover
+ * their private rejection reason.
+ * @param ctx - the settled context whose Loader entries to audit.
+ * @param binName - the diagnostic prefix on the thrown error.
+ * @returns nothing when every enabled entry is active.
+ * @throws after one process rejection checkpoint when an entry failed to
+ * import, rejected during activation, or did not become active.
  */
-export function assertEntriesActive(ctx: Context, binName: string): void {
+export async function assertEntriesActivated(ctx: Context, binName: string): Promise<void> {
+  assertEntriesLoaded(ctx, binName)
   const failures: string[] = []
+  const rejectionReasons: unknown[] = []
   for (const entry of ctx.loader.entries()) {
-    if (entry.fiber === undefined || entry.disabled || entry.fiber.state === FIBER_ACTIVE) continue
-    if (entry.fiber.state === FIBER_PENDING) {
-      const missing = Object.keys(entry.fiber.inject).filter(service => ctx.get(service) === undefined)
-      failures.push(`${entry.options.name}: pending (waiting for service${missing.length === 1 ? '' : 's'}: ${missing.join(', ') || 'unknown'})`)
+    const fiber = entry.fiber
+    if (fiber === undefined || entry.disabled) continue
+    const state = fiber.state
+    if (state === FIBER_ACTIVE) continue
+    if (state === FIBER_FAILED) {
+      try {
+        await fiber.await()
+      } catch (error) {
+        rejectionReasons.push(error)
+        failures.push(`${entry.options.name}: ${formatActivationError(error)}`)
+      }
+      continue
+    }
+    if (state === FIBER_PENDING) {
+      const missing = Object.keys(fiber.inject).filter(service => fiber.ctx.get(service) === undefined)
+      const subject = missing.length === 1 ? 'service' : 'services'
+      failures.push(`${entry.options.name}: pending (waiting for ${subject}: ${missing.join(', ') || 'unknown'})`)
     } else {
-      failures.push(`${entry.options.name}: fiber state ${String(entry.fiber.state)}`)
+      failures.push(`${entry.options.name}: fiber state ${String(state)}`)
     }
   }
   if (failures.length > 0) {
-    throw new Error(`${binName}: ${String(failures.length)} entr${failures.length === 1 ? 'y' : 'ies'} did not activate\n${failures.join('\n')}`)
+    if (rejectionReasons.length > 0) {
+      await observeLoaderRejectionCheckpoint(rejectionReasons)
+    }
+    const noun = failures.length === 1 ? 'entry' : 'entries'
+    throw new Error(`${binName}: ${String(failures.length)} ${noun} did not activate\n${failures.join('\n')}`)
   }
 }
 
@@ -225,9 +429,13 @@ export function assertEntriesActive(ctx: Context, binName: string): void {
  * bootstrap include is therefore statically imported and mounted as the
  * `cordis:include` builtin, loading through the ambient module pipeline
  * (vite/tsx/plain ESM) while the included tree's own specifiers stay
- * config-relative. A missing fiber rejects here; a later init rejection is
- * handled by {@link installFailLoud}. Built bins need the Loader's native
- * helper for bare plugin specifiers; relative specifiers do not.
+ * config-relative. The package build embeds Include while leaving Loader
+ * external, so the built include tree and host share one Loader peer. A
+ * missing fiber rejects here; a later init rejection is rethrown with its
+ * original stack by {@link assertEntriesActivated}; later unhandled
+ * rejections remain covered by {@link installFailLoud}. Built bins need the
+ * Loader's native helper for bare plugin specifiers; relative specifiers do
+ * not.
  * @param binName - the diagnostic prefix for load-failure errors.
  * @param absoluteConfigPath - the config to include; must already be absolute
  * (see {@link resolveConfigPath}).
@@ -245,6 +453,7 @@ export async function boot(
 ): Promise<Context> {
   const ctx = new Context()
   ctx.baseUrl = pathToFileURL(dirname(absoluteConfigPath)).href + '/'
+  ctx.provide('dshHomePath', dshHomePath)
   await ctx.plugin(Loader)
   ctx.loader.builtins.include = Include
   await prepare?.(ctx)
@@ -259,12 +468,11 @@ export async function boot(
   // A surface can finish and dispose the whole tree while that await is still
   // pending: the TUI renders as soon as its own fiber starts, so an `/exit`
   // typed before the last entry settles tears the context down under us. The
-  // Loader service goes with it, and both assertions below describe a live
+  // Loader service goes with it, and the activation audit describes a live
   // tree — reading `ctx.loader` here would throw a TypeError over an app that
   // exited exactly as asked.
   if (ctx.get('loader') === undefined) return ctx
-  assertEntriesLoaded(ctx, binName)
-  assertEntriesActive(ctx, binName)
+  await assertEntriesActivated(ctx, binName)
   return ctx
 }
 
diff --git a/packages/ui/app-boot/tests/app-boot.spec.ts b/packages/ui/app-boot/tests/app-boot.spec.ts
index d6807bbaed..7f06016267 100644
--- a/packages/ui/app-boot/tests/app-boot.spec.ts
+++ b/packages/ui/app-boot/tests/app-boot.spec.ts
@@ -5,7 +5,7 @@ import { describe, expect, it, vi } from 'vitest'
 import { Context } from 'cordis'
 import SystemPrompt, { renderPrompt } from '@deepseek-ai/dsh-system-prompt'
 import {
-  addHarnessSourceSection, assertEntriesActive, assertEntriesLoaded, boot, HARNESS_SOURCE_SECTION,
+  addHarnessSourceSection, assertEntriesActivated, assertEntriesLoaded, boot, HARNESS_SOURCE_SECTION,
   installFailLoud, loadEnv, loadOverlayPatches, resolveConfigPath, type FailLoudProcess,
 } from '../src/index.ts'
 
@@ -135,6 +135,33 @@ describe('installFailLoud', () => {
     uninstallReal()
     expect(process.listenerCount('unhandledRejection')).toBe(before)
   })
+
+  it('does not report an activation rejection shared by entries in the boot audit', async () => {
+    const proc = fakeProc()
+    installFailLoud(NAME, proc)
+    const error = new Error('assembled activation failure')
+    const audit = assertEntriesActivated({
+      loader: {
+        entries: () => ['broken-a', 'broken-b'].map(name => ({
+          options: { name },
+          fiber: {
+            state: 3,
+            inject: {},
+            ctx: { get: () => undefined },
+            await: async () => { throw error },
+          },
+        })),
+      },
+    } as unknown as Context, NAME)
+    await Promise.resolve()
+    await Promise.resolve()
+    proc.handlers[0]!(error)
+    expect(proc.written).toEqual([])
+    expect(proc.exits).toEqual([])
+    await expect(audit).rejects.toThrow('assembled activation failure')
+    proc.handlers[0]!(error)
+    expect(proc.exits).toEqual([1])
+  })
 })
 
 describe('assertEntriesLoaded', () => {
@@ -157,6 +184,97 @@ describe('assertEntriesLoaded', () => {
   })
 })
 
+describe('assertEntriesActivated', () => {
+  interface FakeFiber {
+    state: number
+    inject: Record<string, unknown>
+    ctx: { get(name: string): unknown }
+    await(): Promise<unknown>
+  }
+
+  const ctxWith = (entries: Array<{ fiber?: FakeFiber; disabled?: boolean; options: { name: string } }>): Context => ({
+    loader: { entries: () => entries },
+  }) as unknown as Context
+
+  const fiber = (
+    state: number,
+    error?: unknown,
+    inject: Record<string, unknown> = {},
+    services: string[] = [],
+  ): FakeFiber => ({
+    state,
+    inject,
+    ctx: { get: name => services.includes(name) ? {} : undefined },
+    await: error === undefined ? async () => undefined : async () => { throw error },
+  })
+
+  it('passes active entries and ignores disabled entries', async () => {
+    let awaitCalls = 0
+    const active = fiber(2)
+    active.await = async () => {
+      awaitCalls++
+      return undefined
+    }
+    const disabled = fiber(3, new Error('disabled failure'))
+    disabled.await = async () => {
+      awaitCalls++
+      throw new Error('disabled failure')
+    }
+    await expect(assertEntriesActivated(ctxWith([
+      { fiber: active, options: { name: 'active' } },
+      { fiber: disabled, disabled: true, options: { name: 'disabled' } },
+    ]), NAME)).resolves.toBeUndefined()
+    expect(awaitCalls).toBe(0)
+  })
+
+  it('reports the plugin name and original activation stack instead of fiber state 3', async () => {
+    const original = new Error('actual plugin failure')
+    await expect(assertEntriesActivated(ctxWith([
+      { fiber: fiber(3, original), options: { name: 'broken-plugin' } },
+    ]), NAME)).rejects.toThrow(`${NAME}: 1 entry did not activate\nbroken-plugin: ${original.stack!}`)
+  })
+
+  it('formats stackless and non-Error activation failures', async () => {
+    const stackless = new Error('stackless failure')
+    delete (stackless as { stack?: string }).stack
+    await expect(assertEntriesActivated(ctxWith([
+      { fiber: fiber(3, stackless), options: { name: 'stackless' } },
+      { fiber: fiber(3, 'plain failure'), options: { name: 'plain' } },
+    ]), NAME)).rejects.toThrow(`${NAME}: 2 entries did not activate\nstackless: stackless failure\nplain: plain failure`)
+  })
+
+  it('reports unresolved services for pending entries', async () => {
+    let awaitCalls = 0
+    const expected = [
+      `${NAME}: 3 entries did not activate`,
+      'waiting: pending (waiting for services: missingA, missingB)',
+      'single-wait: pending (waiting for service: missing)',
+      'unknown-wait: pending (waiting for services: unknown)',
+    ].join('\n')
+    const waiting = fiber(0, undefined, { ready: {}, missingA: {}, missingB: {} }, ['ready'])
+    const singleWait = fiber(0, undefined, { missing: {} })
+    const unknownWait = fiber(0)
+    for (const item of [waiting, singleWait, unknownWait]) {
+      item.await = async () => {
+        awaitCalls++
+        return undefined
+      }
+    }
+    await expect(assertEntriesActivated(ctxWith([
+      { fiber: waiting, options: { name: 'waiting' } },
+      { fiber: singleWait, options: { name: 'single-wait' } },
+      { fiber: unknownWait, options: { name: 'unknown-wait' } },
+    ]), NAME)).rejects.toThrow(expected)
+    expect(awaitCalls).toBe(0)
+  })
+
+  it('retains the numeric diagnostic for a settled unexpected state', async () => {
+    await expect(assertEntriesActivated(ctxWith([
+      { fiber: fiber(4), options: { name: 'disposed' } },
+    ]), NAME)).rejects.toThrow('disposed: fiber state 4')
+  })
+})
+
 describe('loadOverlayPatches', () => {
   it('loads expressions and rejects missing, malformed, non-array, and non-mapping overlays', () => {
     const dir = tmp()
@@ -207,6 +325,34 @@ describe('boot', () => {
     }
   })
 
+  it('exposes dshHomePath to Loader config expressions', async () => {
+    const dir = tmp()
+    const dshHome = join(dir, 'home')
+    vi.stubEnv('DSH_HOME', dshHome)
+    writeFileSync(join(dir, 'capture.mjs'), [
+      'export const name = "capture"',
+      'export function apply(ctx, config) {',
+      '  ctx.provide("capturedPath", config.path)',
+      '}',
+      '',
+    ].join('\n'))
+    writeFileSync(join(dir, 'cordis.yml'), [
+      '- id: capture',
+      '  name: ./capture.mjs',
+      '  config:',
+      "    path: !!js dshHomePath('sessions')",
+      '',
+    ].join('\n'))
+    let ctx: Context | undefined
+    try {
+      ctx = await boot(NAME, join(dir, 'cordis.yml'))
+      expect(ctx.get('capturedPath')).toBe(join(dshHome, 'sessions'))
+    } finally {
+      await ctx?.fiber.dispose()
+      vi.unstubAllEnvs()
+    }
+  })
+
   it('returns instead of asserting over a tree a surface disposed mid-startup', async () => {
     // What a TUI `/exit` does (ui-tui's disposeRootAndExit): dispose the root
     // fiber, which lands while boot() is still awaiting the Loader whenever the
@@ -232,31 +378,14 @@ describe('boot', () => {
     await expect(boot(NAME, join(dir, 'cordis.yml'))).rejects.toThrow(`${NAME}: plugin(s) failed to load: ./missing.mjs`)
   })
 
-  it('rejects a settled tree with a pending inject and names every missing service', async () => {
+  it('reports a pending real Loader fiber and the service unresolved in its own context', async () => {
     const dir = tmp()
-    writeFileSync(join(dir, 'waiting.mjs'), "export const inject = ['alpha', 'beta']\nexport function apply() {}\n")
+    writeFileSync(join(dir, 'waiting.mjs'), 'export const inject = ["neverProvided"]\nexport function apply() {}\n')
     writeFileSync(join(dir, 'cordis.yml'), '- id: waiting\n  name: ./waiting.mjs\n')
-    await expect(boot(NAME, join(dir, 'cordis.yml'))).rejects.toThrow('./waiting.mjs: pending (waiting for services: alpha, beta)')
-  })
-
-  it('uses singular diagnostics for one missing pending dependency', () => {
-    const ctx = {
-      loader: { entries: () => [{ disabled: false, options: { name: 'waiting' }, fiber: { state: 0, inject: { alpha: {} } } }] },
-      get: () => undefined,
-    } as unknown as Context
-    expect(() =>{  assertEntriesActive(ctx, NAME) }).toThrow('waiting: pending (waiting for service: alpha)')
-  })
-
-  it('reports unknown pending dependencies and unexpected fiber states', () => {
-    const entries = [
-      { disabled: false, options: { name: 'unknown' }, fiber: { state: 0, inject: {} } },
-      { disabled: false, options: { name: 'failed' }, fiber: { state: 3, inject: {} } },
-    ]
-    const ctx = {
-      loader: { entries: () => entries },
-      get: () => undefined,
-    } as unknown as Context
-    expect(() =>{  assertEntriesActive(ctx, NAME) }).toThrow(`${NAME}: 2 entries did not activate\nunknown: pending (waiting for services: unknown)\nfailed: fiber state 3`)
+    await expect(boot(NAME, join(dir, 'cordis.yml'))).rejects.toThrow([
+      `${NAME}: 1 entry did not activate`,
+      './waiting.mjs: pending (waiting for service: neverProvided)',
+    ].join('\n'))
   })
 })
 
diff --git a/packages/ui/app-boot/tests/config-dump.spec.ts b/packages/ui/app-boot/tests/config-dump.spec.ts
new file mode 100644
index 0000000000..99af81f2c2
--- /dev/null
+++ b/packages/ui/app-boot/tests/config-dump.spec.ts
@@ -0,0 +1,187 @@
+/**
+ * `renderConfigDump` behavior: the offline composition must equal what
+ * `boot()` mounts (same parser, same patch algorithm), print `!!js`
+ * expressions verbatim, separate provenance runs with comment lines while
+ * staying one loadable YAML document, and report skipped patches through
+ * `warn` instead of failing — mirroring the Loader's boot-time warning for a
+ * shared overlay whose row exists only on another surface.
+ */
+
+import { mkdtempSync, writeFileSync } from 'node:fs'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
+import { describe, expect, it, vi } from 'vitest'
+import * as yaml from 'js-yaml'
+import { entryListSchema } from '@cordisjs/plugin-include'
+import { loadOverlayPatches, renderConfigDump } from '../src/index.ts'
+
+const NAME = 'dsh-test-bin'
+
+const tmp = (): string => mkdtempSync(join(tmpdir(), 'dsh-config-dump-'))
+
+function writeBase(dir: string): string {
+  const base = join(dir, 'base.yml')
+  writeFileSync(base, [
+    '- id: shared',
+    '  name: ./noop.mjs',
+    '  config:',
+    '    value: base',
+    '    key: !!js process.env.DSH_DUMP_SPEC',
+    '- id: untouched',
+    '  name: ./noop.mjs',
+    '',
+  ].join('\n'))
+  return base
+}
+
+describe('renderConfigDump', () => {
+  it('composes overlay layers in order, prints !!js verbatim, and labels each section with its provenance', () => {
+    const dir = tmp()
+    const base = writeBase(dir)
+    const surface = join(dir, 'surface.yml')
+    writeFileSync(surface, [
+      '- id: shared',
+      '  config:',
+      '    value: surface',
+      '    key: !!js process.env.DSH_DUMP_SPEC',
+      '- insert:',
+      '    - id: surface-extra',
+      '      name: ./noop.mjs',
+      '',
+    ].join('\n'))
+    const personal = join(dir, 'personal.yml')
+    writeFileSync(personal, [
+      '- id: surface-extra',
+      '  config:',
+      '    value: personal',
+      '',
+    ].join('\n'))
+
+    const dump = renderConfigDump(NAME, base, [
+      { label: 'surface.yml', patches: loadOverlayPatches(NAME, surface) },
+      { label: 'personal.yml', patches: loadOverlayPatches(NAME, personal) },
+    ], () => {})
+    // Comments do not break loadability: the dump parses as one document
+    // equal to what boot() would mount.
+    const parsed = yaml.load(dump, { schema: entryListSchema }) as {
+      id: string
+      config?: Record<string, unknown>
+    }[]
+    expect(parsed).toEqual([
+      {
+        id: 'shared',
+        name: './noop.mjs',
+        config: { value: 'surface', key: { __jsExpr: 'process.env.DSH_DUMP_SPEC' } },
+      },
+      { id: 'untouched', name: './noop.mjs' },
+      { id: 'surface-extra', name: './noop.mjs', config: { value: 'personal' } },
+    ])
+    // Unevaluated: the expression text round-trips as a !!js scalar.
+    expect(dump).toContain('!!js process.env.DSH_DUMP_SPEC')
+    // Provenance separators: origin file, plus every layer that changed the
+    // row; an inserted row carries the inserting layer as its origin.
+    expect(dump).toContain('# == base.yml, patched by surface.yml')
+    expect(dump).toContain('# == base.yml\n- id: untouched')
+    expect(dump).toContain('# == surface.yml, patched by personal.yml\n- id: surface-extra')
+    expect(dump.indexOf('# == base.yml, patched by surface.yml')).toBeLessThan(dump.indexOf('# == base.yml\n- id: untouched'))
+  })
+
+  it('groups contiguous same-provenance rows under one separator', () => {
+    const dir = tmp()
+    const base = join(dir, 'base.yml')
+    writeFileSync(base, [
+      '- id: a',
+      '  name: ./noop.mjs',
+      '- id: b',
+      '  name: ./noop.mjs',
+      '',
+    ].join('\n'))
+    const dump = renderConfigDump(NAME, base, [], () => {})
+    expect(dump.match(/# == base\.yml/g)).toHaveLength(1)
+    expect(dump).toContain('# == base.yml\n- id: a')
+  })
+
+  it('composes all layers as one flattened patch list, exactly like boot()', () => {
+    // boot() flattens every layer into ONE applyEntryPatches call, whose id
+    // index sees inserted rows but NOT children introduced by a plain group
+    // `config` replacement. A per-layer composition would rebuild the index
+    // between layers and let the second layer patch that child — a tree the
+    // real boot never mounts. Pin the single-call semantics: the child patch
+    // is skipped (with the layer-labeled warning), matching boot.
+    const dir = tmp()
+    const base = join(dir, 'base.yml')
+    writeFileSync(base, [
+      '- id: g',
+      '  name: ./group.mjs',
+      '  group: true',
+      '  config: []',
+      '',
+    ].join('\n'))
+    const warnings: string[] = []
+    const dump = renderConfigDump(NAME, base, [
+      {
+        label: 'a.yml',
+        patches: [{ id: 'g', config: [{ id: 'child', name: './noop.mjs', config: { v: 1 } }] }],
+      },
+      { label: 'b.yml', patches: [{ id: 'child', config: { v: 2 } }] },
+    ], line => void warnings.push(line))
+    expect(warnings).toEqual([`${NAME}: [b.yml] patch: entry "child" not found`])
+    const parsed = yaml.load(dump, { schema: entryListSchema }) as {
+      config?: { config?: { v?: number } }[]
+    }[]
+    expect(parsed[0]?.config?.[0]?.config?.v).toBe(1)
+    // The skipped layer did not change the row, so it is not in provenance.
+    expect(dump).toContain('# == base.yml, patched by a.yml\n- id: g')
+    expect(dump).not.toContain('b.yml\n- id: g')
+  })
+
+  it('reports a patch whose target row is absent through warn with its layer label and keeps composing', () => {
+    const dir = tmp()
+    const base = writeBase(dir)
+    const overlay = join(dir, 'overlay.yml')
+    writeFileSync(overlay, [
+      '- id: only-on-another-surface',
+      '  config:',
+      '    value: ignored',
+      '- id: shared',
+      '  config:',
+      '    value: patched',
+      '',
+    ].join('\n'))
+    const warnings: string[] = []
+    const dump = renderConfigDump(
+      NAME, base,
+      [{ label: 'overlay.yml', patches: loadOverlayPatches(NAME, overlay) }],
+      line => void warnings.push(line),
+    )
+    expect(warnings).toEqual([`${NAME}: [overlay.yml] patch: entry "only-on-another-surface" not found`])
+    const parsed = yaml.load(dump, { schema: entryListSchema }) as { config?: { value?: string } }[]
+    expect(parsed[0]?.config?.value).toBe('patched')
+  })
+
+  it('defaults its warn sink to one stderr line per skipped patch', () => {
+    const dir = tmp()
+    const base = writeBase(dir)
+    const write = vi.spyOn(process.stderr, 'write').mockReturnValue(true)
+    try {
+      renderConfigDump(NAME, base, [{ label: 'x.yml', patches: [{ id: 'absent', config: {} }] }])
+      expect(write).toHaveBeenCalledWith(`${NAME}: [x.yml] patch: entry "absent" not found\n`)
+    } finally {
+      write.mockRestore()
+    }
+  })
+
+  it('fails loud on a missing, unparsable, or non-array base config', () => {
+    const dir = tmp()
+    expect(() => renderConfigDump(NAME, join(dir, 'absent.yml'), [], () => {}))
+      .toThrow(new RegExp(`^${NAME}: failed to read config `))
+    const invalid = join(dir, 'invalid.yml')
+    writeFileSync(invalid, 'invalid: [unclosed\n')
+    expect(() => renderConfigDump(NAME, invalid, [], () => {}))
+      .toThrow(new RegExp(`^${NAME}: failed to parse config `))
+    const scalar = join(dir, 'scalar.yml')
+    writeFileSync(scalar, 'id: not-a-list\n')
+    expect(() => renderConfigDump(NAME, scalar, [], () => {}))
+      .toThrow('must be a top-level YAML array of entries')
+  })
+})
diff --git a/packages/ui/app-boot/tsdown.config.ts b/packages/ui/app-boot/tsdown.config.ts
new file mode 100644
index 0000000000..88492d7c26
--- /dev/null
+++ b/packages/ui/app-boot/tsdown.config.ts
@@ -0,0 +1,19 @@
+import { defineConfig } from 'tsdown'
+
+/**
+ * Embed Include while keeping Loader external so the built include tree and
+ * app host bind to one Loader peer.
+ */
+export default defineConfig({
+  entry: ['lib/types/index.js', 'lib/types/invariant.js'],
+  outDir: 'lib',
+  format: ['esm'],
+  platform: 'node',
+  target: 'es2024',
+  fixedExtension: false,
+  dts: false,
+  clean: false,
+  deps: {
+    alwaysBundle: ['@cordisjs/plugin-include'],
+  },
+})
diff --git a/packages/ui/permission/README.i18n.yaml b/packages/ui/permission/README.i18n.yaml
index f6f5f49a14..3e7d9db68b 100644
--- a/packages/ui/permission/README.i18n.yaml
+++ b/packages/ui/permission/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/ui/permission/README.md
-README.md: 814085ed6f2c9650854f377e1c97e442fc4211a4
-README.zh.md: 36880d6b8c3f0b39b88db1abb02534f30e3355fa
+README.md: 4f7f560bb81eaad3b6b95b2742432fa252682d5a
+README.zh.md: 79d0ce9c095d3426f3219f04d9cb7ec3b161a184
diff --git a/packages/ui/permission/README.md b/packages/ui/permission/README.md
index 814085ed6f..4f7f560bb8 100644
--- a/packages/ui/permission/README.md
+++ b/packages/ui/permission/README.md
@@ -6,7 +6,9 @@ User-facing permission presets through `ctx.permission` ([`PermissionService`](s
 
 `set(session, name)` records a changed selection in a log-only `permission/preset` event, then calls each knob's setter only when its effective value changes. The selection event precedes the knob events and preserves user intent when presets share a bundle; a net-zero selection appends nothing. `current(events)` prefers a still-matching recorded selection, then the first matching table entry, and otherwise returns `custom`. Clients may display `custom` as the current value, but cannot select it.
 
-The service requires a confining `ctx.bash` executor and `ctx.approval`. A table entry named `custom` throws at load; composition defaults outside the table instead make a zero-event session derive `custom`. See the [sandbox switching design](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md).
+The service owns the `permission` Settings namespace. Its `defaultPreset` is the default for future sessions: the composition entry uses `Config.defaultPreset`, or infers the preset matching the composed sandbox and approval defaults when omitted. A committed Settings change is read when the next session is created; creation pins `permission/preset`, `sandbox/mode`, and `approval/policy` into that session, so later changes never alter an existing session. A resumed seed, including an explicitly empty one marked by `session/end-seed`, preserves its effective permission and receives only missing durable facts rather than the latest user default. Mounting the service also sweeps already-live sessions, so an HMR replacement pins any session created while the plugin was absent.
+
+The service requires a confining `ctx.bash` executor and `ctx.approval`. A table entry named `custom` throws at load. When composition defaults match no preset, the plugin requires an explicit `defaultPreset`; an independently constructed zero-event session may still derive `custom`. See the [sandbox switching design](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md).
 
 Two optional children ship the product surfaces over the same service: a `permissions` session-projection unit (`src/types.ts` declares the key; the unit folds the three whole-value knob events and views the select — table options plus a current-only `custom` — over the composition defaults) and the `/permission` command (bare invocation reports the current preset and the table; a preset argument switches through `set`). Each child activates only when its registry (`ctx.sessionProjections` / `ctx.commands`) is composed.
 
@@ -23,3 +25,4 @@ No direct invalidation; the named consumer owns any request-prefix changes.
 - **Only two mechanism knobs are bundled** — presets select sandbox mode and approval policy; an agent/profile choice is not part of `PresetSpec` yet.
 - **`custom` is derived-only** — callers can switch away from an unmatched knob combination but cannot target or persist a named custom preset through this service.
 - **The preset table is process-level** — configuration is fixed for the plugin lifetime; changing available presets requires reloading the plugin.
+- **Stored defaults must remain in the preset table** — removing the referenced preset makes Permission settings registration fail until the `permission` section in `settings.yaml` is updated or reset.
diff --git a/packages/ui/permission/README.zh.md b/packages/ui/permission/README.zh.md
index 36880d6b8c..79d0ce9c09 100644
--- a/packages/ui/permission/README.zh.md
+++ b/packages/ui/permission/README.zh.md
@@ -6,7 +6,9 @@
 
 `set(session, name)` 会先在仅写日志的 `permission/preset` 事件中记录已变更的选择，再仅对实际值发生变化的调节项调用 setter。选择事件先于调节项事件，并在多个 preset 共享同一组取值时保留用户意图；净变化为零的选择不会追加任何内容。`current(events)` 优先返回仍与当前调节项匹配的已记录选择，其次返回表中第一个匹配项，否则返回 `custom`。客户端可以把 `custom` 显示为当前值，但不能选择它。
 
-该服务要求存在具有约束能力的 `ctx.bash` 执行器和 `ctx.approval`。表中名为 `custom` 的条目会在加载时抛出异常；如果组合在表外指定默认值，则零事件会话会推导出 `custom`。详见[沙箱切换设计](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md)。
+该服务拥有 `permission` Settings namespace。其 `defaultPreset` 是未来会话的默认值：组合项使用 `Config.defaultPreset`；省略时，则推断与组合后的沙箱和审批默认值匹配的 preset。已提交的 Settings 变更会在下一个会话创建时读取；创建过程将 `permission/preset`、`sandbox/mode` 和 `approval/policy` 固定到该会话中，因此后续变更绝不会改变现有会话。恢复的 seed，包括由 `session/end-seed` 标记的显式空 seed，都会保留其有效权限，只补齐缺失的持久事实，而不会采用最新的用户默认值。挂载服务时还会遍历所有已存活会话，因此 HMR（热模块替换）会固定插件缺席期间创建的所有会话。
+
+该服务要求存在具有约束能力的 `ctx.bash` 执行器和 `ctx.approval`。表中名为 `custom` 的条目会在加载时抛出异常。当组合默认值与任何 preset 都不匹配时，插件要求显式配置 `defaultPreset`；独立构造的零事件会话仍可能推导出 `custom`。详见[沙箱切换设计](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md)。
 
 两个可选子件在同一服务之上交付产品界面：`permissions` 会话投影单元（`src/types.ts` 声明该 key；单元折叠三个全量值旋钮事件，在组合默认值之上视图出 select——表内选项加仅作当前值的 `custom`）与 `/permission` 命令（裸调用报告当前预设与表；预设参数经 `set` 切换）。每个子件仅在其注册表（`ctx.sessionProjections` / `ctx.commands`）被组合时激活。
 
@@ -23,3 +25,4 @@
 - **只组合两个机制调节项**：preset 选择沙箱模式和审批策略；agent（智能体）／profile 选择尚未纳入 `PresetSpec`。
 - **`custom` 只能推导得出**：调用方可以从不匹配的调节项组合切换出去，但无法通过此服务选中或持久化一个具名 custom preset。
 - **preset 表位于进程级别**：配置在插件生命周期内固定；更改可用 preset 必须重新加载插件。
+- **已存储的默认值必须保留在 preset 表中**：移除被引用的 preset 会导致权限设置注册失败，直到更新或重置 `settings.yaml` 中的 `permission` 分节。
diff --git a/packages/ui/permission/package.json b/packages/ui/permission/package.json
index c5021af37b..c3554e3c4d 100644
--- a/packages/ui/permission/package.json
+++ b/packages/ui/permission/package.json
@@ -43,6 +43,7 @@
     "@deepseek-ai/dsh-sandbox-policy": "^0.0.1",
     "@deepseek-ai/dsh-session": "^0.0.1",
     "@deepseek-ai/dsh-session-projection": "^0.0.1",
+    "@deepseek-ai/dsh-settings": "^0.0.1",
     "@deepseek-ai/dsh-user-approval": "^0.0.1",
     "cordis": "^4.0.0-rc.7"
   },
@@ -58,6 +59,7 @@
     "@deepseek-ai/dsh-sandbox-policy": "workspace:^",
     "@deepseek-ai/dsh-session": "workspace:^",
     "@deepseek-ai/dsh-session-projection": "workspace:^",
+    "@deepseek-ai/dsh-settings": "workspace:^",
     "@deepseek-ai/dsh-user-approval": "workspace:^",
     "cordis": "^4.0.0-rc.7"
   }
diff --git a/packages/ui/permission/src/index.ts b/packages/ui/permission/src/index.ts
index 5c18a2b560..d7f0dcc391 100644
--- a/packages/ui/permission/src/index.ts
+++ b/packages/ui/permission/src/index.ts
@@ -21,6 +21,7 @@ import { SANDBOX_MODES, effectiveSandboxMode, setSandboxMode } from '@deepseek-a
 import type {} from '@deepseek-ai/dsh-bash'
 import type { ApprovalPolicy } from '@deepseek-ai/dsh-user-approval'
 import { APPROVAL_POLICIES, effectiveApprovalPolicy, setApprovalPolicy } from '@deepseek-ai/dsh-user-approval'
+import { installSettingsSection, settingsNamespace } from '@deepseek-ai/dsh-settings'
 // Type-only: resolves ctx.sessionProjections / ctx.commands for the optional children.
 import type {} from '@deepseek-ai/dsh-session-projection'
 import type {} from '@deepseek-ai/dsh-commands'
@@ -68,6 +69,9 @@ export interface PresetSpec {
  */
 export const CUSTOM_PRESET = 'custom'
 
+/** Settings namespace carrying the default for future sessions. */
+export const PERMISSION_SETTINGS_NAMESPACE = settingsNamespace('permission')
+
 /**
  * Fold the last selected preset from the durable log; replay needs no catch-up
  * state.
@@ -126,7 +130,13 @@ function foldKnobs(events: readonly SessionEvent[]): KnobState {
   return state
 }
 
-/** The {@link PermissionService} config: the deployment's preset table. */
+/** User setting resolved when a new session receives its initial permission. */
+export interface PermissionSettings {
+  /** Preset pinned into a newly created session. */
+  defaultPreset: string
+}
+
+/** The {@link PermissionService} config: preset table and composition default. */
 export interface Config {
   /**
    * The preset table: name → knob bundle. Defaults to `workspace-write`
@@ -134,6 +144,11 @@ export interface Config {
    * never). The name `custom` is reserved for the derived not-a-preset state.
    */
   presets?: Record<string, PresetSpec>
+  /**
+   * Default for new sessions. When omitted, the preset matching the composed
+   * sandbox and approval defaults is used.
+   */
+  defaultPreset?: string
 }
 
 /**
@@ -159,11 +174,13 @@ export class PermissionService extends Service {
         name: 'danger-full-access', description: 'Full file access without approval prompts.',
       },
     }),
+    defaultPreset: z.string(),
   })
 
-  static inject = ['bash', 'approval']
+  static inject = ['bash', 'approval', 'sessions']
 
   private readonly presets: Record<string, PresetSpec>
+  private defaultSettings: () => PermissionSettings
 
   constructor(ctx: Context, config: Config) {
     super(ctx, 'permission')
@@ -175,6 +192,37 @@ export class PermissionService extends Service {
     if (ctx.bash.sandboxMode === undefined) {
       throw new Error('permission: the mounted bash executor does not confine (no sandboxMode) — presets bundle a sandbox mode, so composing this plugin over an unconfined executor is a misconfiguration')
     }
+    const inferredDefault = this.derive(EMPTY_KNOBS)
+    const defaultPreset = config.defaultPreset ?? inferredDefault
+    if (defaultPreset === CUSTOM_PRESET) {
+      throw new Error('permission: composed sandbox and approval defaults match no preset; configure defaultPreset explicitly')
+    }
+    this.resolve(defaultPreset)
+    const baseSettings: PermissionSettings = { defaultPreset }
+    this.defaultSettings = () => baseSettings
+    const presetChoices = this.names.map((name) => {
+      const choice = z.const(name)
+      const label = this.presets[name]?.name
+      return label === undefined ? choice : choice.description(label)
+    })
+    const settingsSchema: z<PermissionSettings> = z.object({
+      defaultPreset: z.union(presetChoices).required(),
+    })
+    installSettingsSection(ctx, PERMISSION_SETTINGS_NAMESPACE, settingsSchema, baseSettings, {
+      setSource: (current) => {
+        this.defaultSettings = current
+      },
+      // The source thunk reads the latest scope snapshot at session creation;
+      // no process-level registration needs replacement on change.
+      onChange: () => {},
+    })
+
+    ctx.on('session/created', (session) => {
+      this.pinInitialPermission(session)
+    })
+    for (const session of ctx.sessions.list()) {
+      this.pinInitialPermission(session)
+    }
 
     // The permissions projection unit: fold the three whole-value knob
     // events; view derives the select over the composition defaults this
@@ -237,6 +285,15 @@ export class PermissionService extends Service {
     return Object.keys(this.presets)
   }
 
+  /**
+   * The preset currently selected as the default for future sessions.
+   * @returns the resolved settings value, or the composition default without
+   * a mounted settings provider.
+   */
+  get defaultPreset(): string {
+    return this.defaultSettings().defaultPreset
+  }
+
   /**
    * Resolve the preset matching the effective knob values. A still-matching
    * last selection wins shared-bundle ties; otherwise the first table match
@@ -328,6 +385,44 @@ export class PermissionService extends Service {
       setApprovalPolicy(session, spec.approval)
     }
   }
+
+  /**
+   * Fill every missing permission fact before a session is published. A
+   * genuinely fresh session uses the current user default; seeded or partially
+   * initialized sessions preserve their effective knob values and only gain
+   * the missing durable facts.
+   */
+  private pinInitialPermission(session: Session): void {
+    const events = session.events
+    const selected = effectivePermissionPreset(events)
+    const sandbox = effectiveSandboxMode(events)
+    const approval = effectiveApprovalPolicy(events)
+    const seeded = events.some(event => event.type === 'session/end-seed')
+    if (selected === undefined && sandbox === undefined && approval === undefined && !seeded) {
+      const name = this.defaultPreset
+      const spec = this.resolve(name)
+      session.append('permission/preset', { preset: name })
+      setSandboxMode(session, spec.sandbox)
+      setApprovalPolicy(session, spec.approval)
+      return
+    }
+
+    const state: KnobState = {
+      preset: selected ?? null,
+      sandbox: sandbox ?? null,
+      approval: approval ?? null,
+    }
+    const effective = this.derive(state)
+    if (selected === undefined && effective !== CUSTOM_PRESET) {
+      session.append('permission/preset', { preset: effective })
+    }
+    if (sandbox === undefined) {
+      setSandboxMode(session, this.ctx.bash.sandboxMode as SandboxMode)
+    }
+    if (approval === undefined) {
+      setApprovalPolicy(session, this.ctx.approval.config.policy ?? 'ask')
+    }
+  }
 }
 
 export default PermissionService
diff --git a/packages/ui/permission/tests/permission.spec.ts b/packages/ui/permission/tests/permission.spec.ts
index 05a747de8d..0d80b4533b 100644
--- a/packages/ui/permission/tests/permission.spec.ts
+++ b/packages/ui/permission/tests/permission.spec.ts
@@ -1,10 +1,29 @@
 import { describe, expect, it } from 'vitest'
 import { Context } from 'cordis'
-import { Session, SessionId } from '@deepseek-ai/dsh-session'
+import SessionStore, { Session, SessionId } from '@deepseek-ai/dsh-session'
 import type { SandboxMode } from '@deepseek-ai/dsh-sandbox'
 import type { ApprovalPolicy } from '@deepseek-ai/dsh-user-approval'
-import PermissionService, { CUSTOM_PRESET, effectivePermissionPreset } from '@deepseek-ai/dsh-permission'
+import PermissionService, {
+  CUSTOM_PRESET, effectivePermissionPreset, PERMISSION_SETTINGS_NAMESPACE,
+} from '@deepseek-ai/dsh-permission'
 import type { Config } from '@deepseek-ai/dsh-permission'
+import { Settings } from '@deepseek-ai/dsh-settings'
+import type { SettingsNamespace } from '@deepseek-ai/dsh-settings'
+
+/** Writable memory provider for the permission/settings lifecycle specs. */
+class MemorySettings extends Settings {
+  readonly doc: Record<string, unknown> = {}
+  readonly writable = true
+
+  protected load(): Promise<Record<string, unknown>> {
+    return Promise.resolve(structuredClone(this.doc))
+  }
+
+  protected persist(ns: SettingsNamespace, section: Record<string, unknown>): Promise<void> {
+    this.doc[ns] = structuredClone(section)
+    return Promise.resolve()
+  }
+}
 
 async function mounted(options: {
   config?: Config
@@ -12,6 +31,7 @@ async function mounted(options: {
   approvalDefault?: ApprovalPolicy | undefined
 } = {}): Promise<Context> {
   const ctx = new Context()
+  await ctx.plugin(SessionStore)
   ctx.provide('bash', {
     sandboxMode: 'bashDefault' in options ? options.bashDefault : 'workspace-write',
     resolve() { throw new Error('permission tests do not execute bash') },
@@ -27,6 +47,23 @@ function freshSession(id: string): Session {
   return new Session(SessionId(id))
 }
 
+async function mountedStore(options: { approvalDefault?: ApprovalPolicy | undefined } = {}): Promise<Context> {
+  const ctx = new Context()
+  await ctx.plugin(SessionStore)
+  await ctx.plugin(MemorySettings)
+  ctx.provide('bash', {
+    sandboxMode: 'workspace-write',
+    resolve() { throw new Error('permission tests do not execute bash') },
+    run() { throw new Error('permission tests do not execute bash') },
+    start() { throw new Error('permission tests do not execute bash') },
+  })
+  ctx.provide('approval', {
+    config: { policy: 'approvalDefault' in options ? options.approvalDefault : 'ask' },
+  })
+  await ctx.plugin(PermissionService, {})
+  return ctx
+}
+
 describe('effectivePermissionPreset', () => {
   it('folds to the last event, or undefined without one', () => {
     const session = freshSession('sess-fold')
@@ -66,8 +103,11 @@ describe('PermissionService', () => {
     expect(() => ctx.permission.resolve(CUSTOM_PRESET)).toThrow(/unknown preset/)
   })
 
-  it('composition defaults outside the table derive custom at zero events', async () => {
-    const ctx = await mounted({ approvalDefault: 'never' })
+  it('composition defaults outside the table still derive custom when an explicit new-session default is configured', async () => {
+    const ctx = await mounted({
+      approvalDefault: 'never',
+      config: { defaultPreset: 'workspace-write' },
+    })
     const session = freshSession('sess-defaults-custom')
     expect(ctx.permission.current(session.events)).toBe(CUSTOM_PRESET)
   })
@@ -138,6 +178,11 @@ describe('PermissionService', () => {
       .rejects.toThrow(/reserved for the derived not-a-preset state/)
   })
 
+  it('requires an explicit default when composition defaults match no preset', async () => {
+    await expect(mounted({ approvalDefault: 'never' }))
+      .rejects.toThrow(/configure defaultPreset explicitly/)
+  })
+
   it('reads a schema-less approval stand-in as the ask default', async () => {
     const ctx = await mounted({ approvalDefault: undefined })
     const session = freshSession('sess-standin')
@@ -146,3 +191,111 @@ describe('PermissionService', () => {
     expect(ctx.permission.current(session.events)).toBe('workspace-write')
   })
 })
+
+describe('new-session default', () => {
+  it('pins the current setting into each new session without changing earlier sessions', async () => {
+    const ctx = await mountedStore()
+    const first = ctx.sessions.create(SessionId('first'))
+    expect(first.events.map(event => [event.type, event.data])).toEqual([
+      ['permission/preset', { preset: 'workspace-write' }],
+      ['sandbox/mode', { mode: 'workspace-write' }],
+      ['approval/policy', { policy: 'ask' }],
+    ])
+
+    await ctx.settings.update(PERMISSION_SETTINGS_NAMESPACE, {
+      defaultPreset: 'danger-full-access',
+    })
+    expect(ctx.permission.defaultPreset).toBe('danger-full-access')
+    const second = ctx.sessions.create(SessionId('second'))
+    expect(ctx.permission.current(first.events)).toBe('workspace-write')
+    expect(ctx.permission.current(second.events)).toBe('danger-full-access')
+    expect(second.events.map(event => event.type)).toEqual([
+      'permission/preset', 'sandbox/mode', 'approval/policy',
+    ])
+  })
+
+  it('preserves a seeded legacy session instead of applying the latest user default', async () => {
+    const ctx = await mountedStore()
+    await ctx.settings.update(PERMISSION_SETTINGS_NAMESPACE, {
+      defaultPreset: 'danger-full-access',
+    })
+    const legacy = freshSession('legacy-source')
+    legacy.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } })
+    legacy.append('turn/end', { turn: 1, reason: { kind: 'completed' } })
+    const resumed = ctx.sessions.create(SessionId('legacy-resumed'), { seed: legacy.events })
+    expect(ctx.permission.current(resumed.events)).toBe('workspace-write')
+    expect(resumed.events.slice(-3).map(event => event.type)).toEqual([
+      'permission/preset', 'sandbox/mode', 'approval/policy',
+    ])
+  })
+
+  it('preserves composition defaults when an empty stored session resumes', async () => {
+    const ctx = await mountedStore()
+    await ctx.settings.update(PERMISSION_SETTINGS_NAMESPACE, {
+      defaultPreset: 'danger-full-access',
+    })
+    const resumed = ctx.sessions.create(SessionId('empty-resumed'), { seed: [] })
+    expect(ctx.permission.current(resumed.events)).toBe('workspace-write')
+    expect(resumed.events.map(event => event.type)).toEqual([
+      'session/end-seed', 'permission/preset', 'sandbox/mode', 'approval/policy',
+    ])
+  })
+
+  it('pins sessions that already exist when the service remounts', async () => {
+    const ctx = new Context()
+    await ctx.plugin(SessionStore)
+    ctx.provide('bash', {
+      sandboxMode: 'workspace-write',
+      resolve() { throw new Error('permission tests do not execute bash') },
+      run() { throw new Error('permission tests do not execute bash') },
+      start() { throw new Error('permission tests do not execute bash') },
+    })
+    ctx.provide('approval', { config: { policy: 'ask' } })
+    const existing = ctx.sessions.create(SessionId('existing-before-permission'))
+    expect(existing.events).toEqual([])
+
+    await ctx.plugin(PermissionService, {})
+    expect(existing.events.map(event => event.type)).toEqual([
+      'permission/preset', 'sandbox/mode', 'approval/policy',
+    ])
+    expect(ctx.permission.current(existing.events)).toBe('workspace-write')
+  })
+
+  it('fills only missing legacy facts and preserves an unmatched seeded combination', async () => {
+    const ctx = await mountedStore()
+    const partial = freshSession('partial-source')
+    partial.append('sandbox/mode', { mode: 'workspace-write' })
+    partial.append('approval/policy', { policy: 'ask' })
+    const resumed = ctx.sessions.create(SessionId('partial-resumed'), { seed: partial.events })
+    expect(resumed.events.at(-1)).toMatchObject({
+      type: 'permission/preset',
+      data: { preset: 'workspace-write' },
+    })
+
+    const custom = freshSession('custom-source')
+    custom.append('sandbox/mode', { mode: 'read-only' })
+    custom.append('approval/policy', { policy: 'never' })
+    const unmatched = ctx.sessions.create(SessionId('custom-resumed'), { seed: custom.events })
+    expect(ctx.permission.current(unmatched.events)).toBe(CUSTOM_PRESET)
+    expect(unmatched.events.at(-1)?.type).toBe('session/end-seed')
+  })
+
+  it('materializes ask when a legacy seed and approval stand-in omit the policy', async () => {
+    const ctx = await mountedStore({ approvalDefault: undefined })
+    const partial = freshSession('approval-fallback-source')
+    partial.append('sandbox/mode', { mode: 'workspace-write' })
+    const resumed = ctx.sessions.create(SessionId('approval-fallback-resumed'), { seed: partial.events })
+    expect(resumed.events.at(-1)).toMatchObject({
+      type: 'approval/policy',
+      data: { policy: 'ask' },
+    })
+  })
+
+  it('rejects a stored default outside the configured preset table', async () => {
+    const ctx = await mountedStore()
+    await expect(ctx.settings.update(PERMISSION_SETTINGS_NAMESPACE, {
+      defaultPreset: 'missing',
+    })).rejects.toThrow()
+    expect(ctx.permission.defaultPreset).toBe('workspace-write')
+  })
+})
diff --git a/packages/ui/permission/tests/projection.spec.ts b/packages/ui/permission/tests/projection.spec.ts
index da58ebcc96..a7e328cae1 100644
--- a/packages/ui/permission/tests/projection.spec.ts
+++ b/packages/ui/permission/tests/projection.spec.ts
@@ -44,7 +44,7 @@ async function agentFor(ctx: Context, session: Session): Promise<Agent> {
 }
 
 describe('permissions projection unit', () => {
-  it('serves the composition-default select at zero events', async () => {
+  it('serves the pinned new-session default select', async () => {
     const { ctx, session } = await harness()
     const value = ctx.sessionProjections.snapshot(session).values.permissions
     expect(value).toMatchObject({ currentValue: 'workspace-write' })
@@ -103,12 +103,14 @@ describe('/permission command', () => {
       kind: 'success',
       text: 'current preset workspace-write (available: workspace-write, danger-full-access)',
     })
-    expect(session.events.filter(event => event.type === 'permission/preset')).toHaveLength(0)
+    expect(session.events.filter(event => event.type === 'permission/preset')).toHaveLength(1)
   })
 
   it('rejects an unknown preset without touching the log', async () => {
     const { ctx, session } = await harness()
     const agent = await agentFor(ctx, session)
+    const before = session.events.filter(event =>
+      event.type !== 'command/run' && event.type !== 'command/done')
     const execution = await ctx.commands.execute(agent, '/permission yolo', new AbortController().signal)
     // The error text carries the same no-self-labelling rule as the success
     // texts: `permission · unknown preset "yolo" (…)`, not `unknown permission
@@ -117,6 +119,7 @@ describe('/permission command', () => {
       kind: 'error',
       text: 'unknown preset "yolo" (available: workspace-write, danger-full-access)',
     })
-    expect(session.events.filter(event => event.type !== 'command/run' && event.type !== 'command/done')).toHaveLength(0)
+    expect(session.events.filter(event =>
+      event.type !== 'command/run' && event.type !== 'command/done')).toEqual(before)
   })
 })
diff --git a/packages/ui/permission/tsconfig.json b/packages/ui/permission/tsconfig.json
index 493fbf358e..9dc4afcd9a 100644
--- a/packages/ui/permission/tsconfig.json
+++ b/packages/ui/permission/tsconfig.json
@@ -38,6 +38,9 @@
     {
       "path": "../../session-projection/session-projection"
     },
+    {
+      "path": "../../settings/settings"
+    },
     {
       "path": "../commands"
     }
diff --git a/packages/ui/tui/README.i18n.yaml b/packages/ui/tui/README.i18n.yaml
index db1427dce2..e63dc71a7e 100644
--- a/packages/ui/tui/README.i18n.yaml
+++ b/packages/ui/tui/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/ui/tui/README.md
-README.md: 3b9153c42885dfb29821ecf452811c1bb15446f2
-README.zh.md: 1d6f7bcedcd4fa8b9e3e87df137ba59f8f535666
+README.md: dccc41299292c9a5f1a5bf65a311e2ccb6bf8979
+README.zh.md: 26eeb33d993187bd8b8134d65e64a15727180795
diff --git a/packages/ui/tui/README.md b/packages/ui/tui/README.md
index 3b9153c428..dccc412992 100644
--- a/packages/ui/tui/README.md
+++ b/packages/ui/tui/README.md
@@ -10,7 +10,7 @@ Interactive terminals on macOS, Linux, and Windows are supported. Windows uses p
 
 This package owns interactive terminal presentation and input only. It injects `agents`, [`commands`](../commands/README.md), `llm`, `systemPrompt`, `tokenMeter`, `tools`, and `userInteraction`, optionally reads a `skills` service (present only when one is mounted), then drives an agent created or resumed by app or developer code. Agent lifecycle, persistence, and the model-facing [`ask_user_question`](../tool-ask-user/README.md) tool remain separate composition entries.
 
-After terminal startup succeeds, the package provides the terminal-local `ctx.tui` extension service. A plugin that injects it can call `openOverlay()` with a component factory and constrained layout options; the host exposes the viewport, semantic theme, display-text escaping, redraw, close, and a lifetime signal, but not the pi-tui tree, terminal, focus controller, or overlay handle. Plugin overlays, the model selector, and user questions share one FIFO modal queue. Each request is an effect of the calling plugin fiber, so unload removes queued work or closes visible work before cleanup settles; terminal shutdown unloads dependents before stopping pi-tui. Overlay state is not logged or replayed. Component code is trusted and may render ANSI styling, but must pass untrusted text through `host.display()`. The [interactive-extension Agent Note](../../../.agents/notes/implemented/architecture/2026-07-22-tui-interactive-extension-service.md) owns the boundary and rejected alternatives.
+After terminal startup succeeds, the package provides the terminal-local `ctx.tui` extension service. A plugin that injects it can call `openOverlay()` with a component factory and constrained layout options; the host exposes the viewport, semantic theme (including terminal-safe DeepSeek `brand` treatment), display-text escaping, redraw, close, and a lifetime signal, but not the pi-tui tree, terminal, focus controller, or overlay handle. Plugin overlays, the model selector, and user questions share one FIFO modal queue. Each request is an effect of the calling plugin fiber, so unload removes queued work or closes visible work before cleanup settles; terminal shutdown unloads dependents before stopping pi-tui. Overlay state is not logged or replayed. Component code is trusted and may render ANSI styling, but must pass untrusted text through `host.display()`. The [interactive-extension Agent Note](../../../.agents/notes/implemented/architecture/2026-07-22-tui-interactive-extension-service.md) owns the boundary and rejected alternatives.
 
 The TUI rebuilds resumed history from the append-origin session events, renders Markdown responses and reasoning, applies each tool's `presentCall` / `presentResult` intent to terminal, diff, or generic cards, keeps the standing `todo/write` plan above the editor (cleared on the next `turn/start`), and presents `ctx.userInteraction` questions in a wide bottom-left keyboard panel with progress, numbered options, and aligned descriptions. The latest logged session title becomes the header subtitle, with `welcome` before a title exists, and the terminal window title becomes `<session title> — <configured title>`. A durable `llm/retry` event retracts the failed step's live chunks and renders the scheduled retry count, delay, and failure in the transcript; success, exhaustion, and cancellation then settle through ordinary session events. The footer totals each logged model step's usage once, including failed attempts, while treating committed-message usage as a fallback for logs without a usage chunk. Its idle view compares token-meter pressure with `ctx.llm.resolveModelInfo()` context for the current route, displays `context unknown` when the adapter has no capacity metadata, and also shows tool-card mode plus the current model and any explicitly selected reasoning effort; while the agent runs, an elapsed working indicator and `esc interrupt` replace that summary. A surface replacement never rewrites the rendered transcript: the conversation it shadows stays readable, and a landed compaction checkpoint adds one dim `… earlier context was compacted …` marker at its log position, so the terminal reports where the model stopped seeing that history instead of erasing it. Model-only replacement copies — a pruned tool result, a regenerated assistant message — render nothing.
 
@@ -22,7 +22,7 @@ Typing `@` at a token boundary searches files and directories under the session
 
 When optional `ctx.sessionReferences` is mounted, the same `@` menu also offers metadata-only session candidates, inserts `@[label](dsh-session:<payload>)`, and prepares the selected snapshots before dispatch. Session references remain structured because the model has no filesystem-like tool for retrieving session snapshots later. Preparation disables duplicate submission and restores the editor input on failure. The TUI chooses `agent.steer()` or `agent.followup()` from the status after that asynchronous preparation; both enter the inbox and pass through `agent/pre-step` after the loop claims their batch.
 
-While the agent is running, ordinary editor submissions call `agent.steer()`; otherwise they call `agent.followup()`. A slash at the start of the submitted line enters `ctx.commands` instead: known commands execute directly, unknown commands produce a warning, and neither path automatically reaches the model. A command producer may explicitly schedule agent work; [`dsh-plan-mode`](../../plan/plan-mode/README.md#model-and-human-surfaces) uses that contract for `/plan [message]`. The TUI registers `/help`, `/model`, `/clear`, `/palette`, `/reload`, `/resume`, `/status`, and `/exit` as agent-scoped definitions; every other effective command joins autocomplete and `/help` dynamically, as do `/skill:` completions. A status line above the editor reports the turn phase the TUI derives from session events — waiting for the first token, thinking, responding, or executing tools — with the elapsed time in that phase and the running step total, refreshed each second, and ends with the `Enter sends steering, Esc cancels` hint; while steering messages wait to reach the model it inserts a `N queued ·` badge before the hint that clears as each drains. Ctrl+C or Escape cancels a running turn. Tool and injected-context cards collapse long bodies into a configurable head/tail preview; Ctrl+O cycles tool cards through collapsed preview, full output, and hidden — the hidden phase drops tool cards from the transcript entirely while context cards stay at their preview, since injected instructions are not tool traffic. An injected-context card renders its message as prose with the producer's outer reminder frame stripped, so neither the fold nor the frame stripping depends on the payload's syntax. Ctrl+R toggles reasoning, Ctrl+L redraws, and Ctrl+D exits while idle.
+While the agent is running, ordinary editor submissions call `agent.steer()`; otherwise they call `agent.followup()`. A slash at the start of the submitted line enters `ctx.commands` instead: known commands execute directly, unknown commands produce a warning, and neither path automatically reaches the model. A command producer may explicitly schedule agent work; [`dsh-plan-mode`](../../plan/plan-mode/README.md#model-and-human-surfaces) uses that contract for `/plan [message]`. The TUI registers `/help`, `/model`, `/clear`, `/palette`, `/reload`, `/resume`, `/status`, and `/exit` as agent-scoped definitions; every other effective command joins autocomplete and `/help` dynamically, as do `/skill:` completions. A status line above the editor reports the turn phase the TUI derives from session events — waiting for the first token, thinking, responding, or executing tools — with the elapsed time in that phase and the running step total, refreshed each second, and ends with the `Enter sends steering, Esc cancels` hint; while steering messages wait to reach the model it inserts a `N queued ·` badge before the hint that clears as each drains. During a live standalone compaction bracket, a fixed `Context being compacted <elapsed>` row appears above the prompt, the idle prompt caret becomes a one-cell throbbing `⊙`, and terminal progress stays active until close; the row and glyph share the bracket's one refresh timer. This live state is never reconstructed from the log; a failed close adds `Compaction failed: <error>` to the transcript, while a resumed orphaned start never activates the indicator ([decision](../../../.agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.md)). Ctrl+C or Escape cancels a running turn. Tool and injected-context cards collapse long bodies into a configurable head/tail preview; Ctrl+O cycles tool cards through collapsed preview, full output, and hidden — the hidden phase drops tool cards from the transcript entirely while context cards stay at their preview, since injected instructions are not tool traffic. An injected-context card renders its message as prose with the producer's outer reminder frame stripped, so neither the fold nor the frame stripping depends on the payload's syntax. Ctrl+R toggles reasoning, Ctrl+L redraws, and Ctrl+D exits while idle.
 
 `/model` opens the advisory `ctx.llm` catalog as a keyboard selector: a filter box above the list narrows rows by a case-insensitive substring over each row's `provider/model` label, model name, and description, keeping the highlighted row selected when it survives the filter; Up/Down moves, Shift+Tab cycles the focused model's adapter-advertised reasoning efforts in display order, Enter selects the model and effort, and Escape clears a non-empty filter before a second Escape closes it. When an adapter does not advertise a default effort, the cycle also includes `Default`, which clears an explicit selection and preserves the provider default; models without selectable effort metadata ignore Shift+Tab. The selector renders the exact advertised effort list—including `off` when present—and does not synthesize, clamp, or transfer an effort between models. `/model <model>` still selects an unambiguous model id directly, while `/model <provider>/<model>` selects an exact target and uses its adapter default when one exists. The configured target or latest logged request header initializes the selector, and an unlisted current model remains visible because catalogs are advisory. Selection is local to this TUI session. Prompt assembly snapshots the target for one step, replaces `{{provider}}` and `{{model}}`, and applies the same provider/model/reasoning-effort target through `agent/request`; a switch during assembly therefore starts with a later step. The request header durably records targets that reach the model, while an unused selection remains process-local.
 
@@ -40,7 +40,7 @@ Selection repeats those checks and requires the current agent to be idle before
 
 The exit line is launcher-owned, not configurable. A launcher provides `TUI_GOODBYE_MESSAGE_KEY` on the boot context — for the shipped `dsh`, the command that resumes this session — and exiting prints it verbatim after the terminal is released; absent, exiting prints nothing. Only the launcher knows how it was invoked, so only it can name a command that works. The TUI escapes terminal controls before rendering and never executes the text. A launcher that also supplies `MAIN_SESSION_ID_KEY` fixes which session the mounted app binds to, so resume survives any config-level patch.
 
-A launcher can seed a fresh session's first turn by providing `INITIAL_SKILL_KEY` (the skill name) on the boot context; the TUI auto-invokes it exactly as a typed `/skill:<name>`, once the chat is live. The shipped `dsh migrate`/`dsh upgrade` set it and only for a fresh session, so a resumed session never re-invokes the skill; an unknown name is reported as a notice.
+A launcher can seed a fresh session's first turn by providing `INITIAL_SKILL_KEY` (the skill name) on the boot context; the TUI auto-invokes it exactly as a typed `/skill:<name>`, once the chat is live. The shipped `dsh migrate`/`dsh experimental-upgrade` set it and only for a fresh session, so a resumed session never re-invokes the skill; an unknown name is reported as a notice.
 
 ## Config
 
@@ -79,9 +79,9 @@ Startup fails before mounting when either process stream is not a TTY. The compo
 
 ## Color
 
-Every SGR code the TUI emits lives in one table, `paletteSpec` in `components/theme.ts`, which `createPalette` derives its wrappers from and `/palette` prints; no component writes an escape of its own. The table holds only the standard 16-color ANSI foregrounds and SGR attributes, which every terminal remaps to its active color scheme, so the TUI stays readable on light and dark backgrounds alike — the startup banner's brand gradient is the one deliberate exception. Body text keeps the terminal's default foreground rather than a fixed shade.
+Every general-purpose SGR code the TUI emits lives in one table, `paletteSpec` in `components/theme.ts`, which `createPalette` derives its wrappers from and `/palette` prints; no component writes an escape of its own. The table holds only the standard 16-color ANSI foregrounds and SGR attributes, which every terminal remaps to its active color scheme, so the TUI stays readable on light and dark backgrounds alike. The startup banner gradient and the official mark's exact `#4D6BFE` ink are the two deliberate truecolor brand exceptions. Body text keeps the terminal's default foreground rather than a fixed shade.
 
-There is one role per visual meaning: `dim` is the single recessed tone and `accent` the single emphasis color, while `success` and `error` double as a diff's added and removed lines. Colors and attributes are separately typed, so `bold(accent(x))` compiles and `accent(error(x))` does not — SGR has no color stack, so nesting one color inside another silently drops the outer color at the inner one's close. Attributes occupy independent SGR groups and compose with any color in either order. Run `/palette` to see every role as your terminal renders it, with its SGR pair.
+There is one role per visual meaning: `dim` is the single recessed tone, `accent` the single interaction emphasis, and `brand` the DeepSeek mark's standard-ANSI fallback, while `success` and `error` double as a diff's added and removed lines. Colors and attributes are separately typed, so `bold(accent(x))` compiles and `accent(error(x))` does not — SGR has no color stack, so nesting one color inside another silently drops the outer color at the inner one's close. Attributes occupy independent SGR groups and compose with any color in either order. Run `/palette` to see every role as your terminal renders it, with its SGR pair.
 
 Grouped regions (user prompts, assistant replies, tool cards) are separated by a bold, underlined role header in the role color and blank-line spacing rather than a filled block or a per-line prefix, so a mouse drag-select copies the message text without any leading bar or indent; a tool card's status (pending, error, success) shows in its colored, underlined title glyph and title. Inside a tool card, the whole body — presenter title, a terminal `$` command and cwd, and the tool's own output — renders in one dim tone, so only the status-colored header carries color and the body reads as one recessed block instead of a run of competing shades; an injected-context card's prose is the same tone as its header. A diff card's `+`/`-` lines and a `[signal …]` marker stay colored, because there the color is the meaning rather than emphasis. The question panel emphasizes its active row with bold accent text, while selectors use reverse video. These treatments are foreground-only, so they never collide with the terminal background. Set `color: false` to strip all styling.
 
diff --git a/packages/ui/tui/README.zh.md b/packages/ui/tui/README.zh.md
index 1d6f7bcedc..26eeb33d99 100644
--- a/packages/ui/tui/README.zh.md
+++ b/packages/ui/tui/README.zh.md
@@ -10,7 +10,7 @@ DeepSeek Harness agent（智能体）的交互式终端入口，基于 [`@earend
 
 本包（package）只持有交互式终端展示和输入。它注入 `agents`、[`commands`](../commands/README.md)、`llm`、`systemPrompt`、`tokenMeter`、`tools` 和 `userInteraction`，可选读取 `skills` 服务（仅在已挂载时存在），然后驱动由 app 或开发者代码创建或恢复的 agent。Agent 生命周期、持久化与模型侧 [`ask_user_question`](../tool-ask-user/README.md) 工具仍是独立组合项。
 
-终端成功启动后，本包会提供终端本地的 `ctx.tui` 扩展服务。注入该服务的插件可以使用组件工厂和受限布局选项调用 `openOverlay()`；宿主会公开 viewport、语义化主题、显示文本转义、重绘、关闭和生命周期信号，但不公开 pi-tui 树、终端、焦点控制器或 overlay 句柄。插件 overlay、模型选择器和用户问题共用一个 FIFO 模态队列。每个请求都是调用方插件 fiber 的 effect，因此卸载会移除排队工作，或在清理结算前关闭可见工作；终端关闭会先卸载依赖项，再停止 pi-tui。Overlay 状态不会记录或回放。组件代码受信任，可以渲染 ANSI 样式，但必须通过 `host.display()` 处理不受信任文本。[交互式扩展 Agent Note](../../../.agents/notes/implemented/architecture/2026-07-22-tui-interactive-extension-service.md)持有该边界和未采用的替代方案。
+终端成功启动后，本包会提供终端本地的 `ctx.tui` 扩展服务。注入该服务的插件可以使用组件工厂和受限布局选项调用 `openOverlay()`；宿主会公开 viewport、语义化主题（包括终端安全的 DeepSeek `brand` 样式）、显示文本转义、重绘、关闭和生命周期信号，但不公开 pi-tui 树、终端、焦点控制器或 overlay 句柄。插件 overlay、模型选择器和用户问题共用一个 FIFO 模态队列。每个请求都是调用方插件 fiber 的 effect，因此卸载会移除排队工作，或在清理结算前关闭可见工作；终端关闭会先卸载依赖项，再停止 pi-tui。Overlay 状态不会记录或回放。组件代码受信任，可以渲染 ANSI 样式，但必须通过 `host.display()` 处理不受信任文本。[交互式扩展 Agent Note](../../../.agents/notes/implemented/architecture/2026-07-22-tui-interactive-extension-service.md)持有该边界和未采用的替代方案。
 
 TUI 从追加来源的会话事件重建已恢复历史，渲染 Markdown 响应与 reasoning，将每个工具的 `presentCall` / `presentResult` 意图应用到终端、diff 或通用卡片，把站立的 `todo/write` 计划保留在编辑器上方（下一个 `turn/start` 时清空），并在左下方宽键盘面板中展示 `ctx.userInteraction` 问题，包含进度、编号选项和对齐说明。最新记录的会话标题成为 header 副标题；标题不存在时使用 `welcome`，终端窗口标题则变为 `<session title> — <configured title>`。持久 `llm/retry` 事件会撤回失败步骤的实时 chunk，并在 transcript（文本记录）中渲染计划重试次数、延迟和失败；成功、耗尽与取消随后通过普通会话事件结算。Footer 会对每个已记录模型步骤的用量只计一次，包括失败尝试；对于没有用量 chunk 的日志，以已提交消息的用量回退。其空闲视图会将 token-meter 压力与 `ctx.llm.resolveModelInfo()` 为当前路由返回的上下文容量进行比较；适配器没有容量元数据时显示 `context unknown`，并显示工具卡片模式、当前模型，以及任何显式选择的推理强度。Agent 运行时，这些摘要会替换为已经过工作时间指示器和 `esc interrupt`。表层替换从不重写已渲染的 transcript：被它遮蔽的对话仍可阅读，而已落地的压缩（compaction）检查点会在其日志位置添加一行暗色 `… earlier context was compacted …` 标记，因此终端报告的是模型从何处起不再看到那段历史，而不是把它抹掉。仅供模型使用的替换副本——被裁剪的工具结果、重新生成的 assistant 消息——不渲染任何内容。
 
@@ -22,7 +22,7 @@ TUI 从追加来源的会话事件重建已恢复历史，渲染 Markdown 响应
 
 挂载可选的 `ctx.sessionReferences` 后，同一个 `@` 菜单还会提供仅含元数据的会话候选项，插入 `@[label](dsh-session:<payload>)`，并在分派前准备所选快照。会话引用保持结构化，因为模型没有类似文件系统的工具可在稍后检索会话快照。准备期间会禁止重复提交，并在失败时恢复编辑器输入。TUI 会在异步准备后根据状态选择 `agent.steer()` 或 `agent.followup()`；二者都会进入 inbox，并在循环领取相应批次后经过 `agent/pre-step`。
 
-Agent 运行时，普通编辑器提交会调用 `agent.steer()`；其他时候调用 `agent.followup()`。提交行以斜杠开头时会改为进入 `ctx.commands`：已知命令直接执行，未知命令产生警告，两条路径都不会自动到达模型。命令生产方可以显式调度 agent 工作；[`dsh-plan-mode`](../../plan/plan-mode/README.md#model-and-human-surfaces) 使用该契约实现 `/plan [message]`。TUI 将 `/help`、`/model`、`/clear`、`/palette`、`/reload`、`/resume`、`/status` 和 `/exit` 注册为 agent 作用域定义；其他所有有效命令都会动态加入自动补全与 `/help`，`/skill:` 补全也相同。编辑器上方的状态行会报告 TUI 从会话事件派生的轮次阶段，包括等待首个 token、思考、响应或执行工具；它显示该阶段已经过时间和运行中的步骤总数，每秒刷新，并以 `Enter sends steering, Esc cancels` 提示结尾。Steering 消息等待到达模型期间，会在提示前插入 `N queued ·` 徽标，每条消息排空后随即清除。Ctrl+C 或 Escape 会取消运行中的轮次。工具卡片与注入上下文卡片都把长主体折叠为可配置的头尾预览；Ctrl+O 让工具卡片在折叠预览、完整输出、隐藏三种状态间循环——隐藏阶段把工具卡片从 transcript 中完全去掉，而上下文卡片保持预览，因为注入的指令不属于工具流量。注入上下文卡片把消息渲染为文本，并去掉生产方的外层提醒外框，因此折叠与去外框都不依赖载荷的语法。Ctrl+R 切换 reasoning，Ctrl+L 重绘，Ctrl+D 在空闲时退出。
+Agent 运行时，普通编辑器提交会调用 `agent.steer()`；其他时候调用 `agent.followup()`。提交行以斜杠开头时会改为进入 `ctx.commands`：已知命令直接执行，未知命令产生警告，两条路径都不会自动到达模型。命令生产方可以显式调度 agent 工作；[`dsh-plan-mode`](../../plan/plan-mode/README.md#model-and-human-surfaces) 使用该契约实现 `/plan [message]`。TUI 将 `/help`、`/model`、`/clear`、`/palette`、`/reload`、`/resume`、`/status` 和 `/exit` 注册为 agent 作用域定义；其他所有有效命令都会动态加入自动补全与 `/help`，`/skill:` 补全也相同。编辑器上方的状态行会报告 TUI 从会话事件派生的轮次阶段，包括等待首个 token、思考、响应或执行工具；它显示该阶段已经过时间和运行中的步骤总数，每秒刷新，并以 `Enter sends steering, Esc cancels` 提示结尾。Steering 消息等待到达模型期间，会在提示前插入 `N queued ·` 徽标，每条消息排空后随即清除。在实时独立压缩（compaction）标记对处于开启状态期间，提示词上方会显示固定的 `Context being compacted <elapsed>` 状态行，空闲提示符光标会变成占一个终端字符单元并呈呼吸律动的 `⊙`，终端进度状态则会保持活跃，直至标记对闭合；该状态行和字形共用标记对的同一个刷新定时器。该实时状态绝不会从日志中重建；闭合失败时会向 transcript 添加 `Compaction failed: <error>`，而恢复会话时遇到的陈旧未匹配 start 绝不会激活该指示器（[决策](../../../.agents/notes/implemented/feature/2026-07-30-compaction-progress-visibility.md)）。Ctrl+C 或 Escape 会取消运行中的轮次。工具卡片与注入上下文卡片都把长主体折叠为可配置的头尾预览；Ctrl+O 让工具卡片在折叠预览、完整输出、隐藏三种状态间循环——隐藏阶段把工具卡片从 transcript 中完全去掉，而上下文卡片保持预览，因为注入的指令不属于工具流量。注入上下文卡片把消息渲染为文本，并去掉生产方的外层提醒外框，因此折叠与去外框都不依赖载荷的语法。Ctrl+R 切换 reasoning，Ctrl+L 重绘，Ctrl+D 在空闲时退出。
 
 `/model` 将建议性的 `ctx.llm` catalog 打开为键盘选择器：列表上方设有一个过滤框，按对每行 `provider/model` 标签、模型名称和描述的大小写不敏感子串匹配来缩小行集，并在高亮行仍通过过滤时保持其选中状态；Up/Down 移动，Shift+Tab 按显示顺序循环切换适配器为焦点模型公布的推理强度，Enter 选择模型和推理强度，Escape 会先清除非空过滤内容，再次按下才关闭选择器。适配器未公布默认推理强度时，循环还会包含 `Default`，该项会清除显式选择并保留提供方默认行为；没有可选推理强度元数据的模型会忽略 Shift+Tab。选择器会原样呈现公布的推理强度列表（包括存在时的 `off`），不会合成、自动调整或在模型之间转移推理强度。`/model <model>` 仍可直接选择无歧义的模型 id，`/model <provider>/<model>` 则选择精确目标，并在存在时使用其适配器默认值。已配置目标或最新记录的请求 header 会初始化选择器；由于 catalog 仅提供建议，未列出的当前模型仍会显示。选择仅对本 TUI 会话有效。提示词组装会为一个步骤建立目标快照，替换 `{{provider}}` 和 `{{model}}`，并通过 `agent/request` 应用同一个提供方／模型／推理强度目标；因此组装期间的切换会从后续步骤开始生效。请求 header 会持久记录真正到达模型的目标，未使用的选择则只存在于进程本地。
 
@@ -40,7 +40,7 @@ Footer 将会话报告的用量汇总为 `↑<uncached input> ↓<output>`；任
 
 退出时打印的行由启动器拥有，不可通过配置指定。启动器在启动上下文上提供 `TUI_GOODBYE_MESSAGE_KEY`（对于随附的 `dsh`，即恢复本会话的命令），释放终端后退出会原样打印它；未提供时退出不打印任何内容。只有启动器知道自己是如何被调用的，因此只有它能给出可用的命令。TUI 在渲染前会转义终端控制字符，且绝不执行该文本。若启动器同时提供 `MAIN_SESSION_ID_KEY`，则会固定已挂载应用绑定的会话，因此恢复功能不受配置层修补影响。
 
-启动器可通过在启动上下文上提供 `INITIAL_SKILL_KEY`（skill 名称）来播种全新会话的首轮；聊天就绪后，TUI 会像用户手动键入 `/skill:<name>` 一样自动调用它。随附的 `dsh migrate`/`dsh upgrade` 会设置该键，且仅对全新会话设置，因此恢复的会话绝不会重复调用该 skill；未知名称会以通知形式报告。
+启动器可通过在启动上下文上提供 `INITIAL_SKILL_KEY`（skill 名称）来播种全新会话的首轮；聊天就绪后，TUI 会像用户手动键入 `/skill:<name>` 一样自动调用它。随附的 `dsh migrate`/`dsh experimental-upgrade` 会设置该键，且仅对全新会话设置，因此恢复的会话绝不会重复调用该 skill；未知名称会以通知形式报告。
 
 ## 配置
 
@@ -79,9 +79,9 @@ Footer 将会话报告的用量汇总为 `↑<uncached input> ↓<output>`；任
 
 ## 颜色
 
-TUI 发出的所有 SGR 代码都集中在一个表中，即 `components/theme.ts` 内的 `paletteSpec`；`createPalette` 从该表派生包装层，`/palette` 则打印该表，任何组件都不会自行写入转义序列。该表仅包含标准 16 色 ANSI 前景色和 SGR 属性；每个终端都会将它们重新映射到当前配色方案，因此 TUI 在浅色与深色背景下都保持可读——启动 banner 的品牌渐变是唯一一个有意保留的例外。正文使用终端默认前景色，而非固定色调。
+TUI 发出的所有通用 SGR 代码都集中在一个表中，即 `components/theme.ts` 内的 `paletteSpec`；`createPalette` 从该表派生包装层，`/palette` 则打印该表，任何组件都不会自行写入转义序列。该表仅包含标准 16 色 ANSI 前景色和 SGR 属性；每个终端都会将它们重新映射到当前配色方案，因此 TUI 在浅色与深色背景下都保持可读。启动 banner 渐变与官方标志使用的精确 `#4D6BFE` 色值是两处有意保留的真彩色品牌例外。正文使用终端默认前景色，而非固定色调。
 
-每种视觉语义只对应一个角色：`dim` 是唯一的弱化色调，`accent` 是唯一的强调色，`success` 和 `error` 还分别充当 diff 的新增行与删除行。颜色和属性分属不同类型，因此 `bold(accent(x))` 可以通过编译，`accent(error(x))` 则不行——SGR 没有颜色栈；在一种颜色内嵌套另一种颜色时，内层颜色闭合时会静默丢弃外层颜色。各属性占用彼此独立的 SGR 组，可以按任一顺序与任何颜色组合。运行 `/palette` 可查看每个角色在你的终端上的实际渲染效果及其 SGR 码对。
+每种视觉语义只对应一个角色：`dim` 是唯一的弱化色调，`accent` 是唯一的交互强调色，`brand` 是 DeepSeek 标志的标准 ANSI 回退色，`success` 和 `error` 还分别充当 diff 的新增行与删除行。颜色和属性分属不同类型，因此 `bold(accent(x))` 可以通过编译，`accent(error(x))` 则不行——SGR 没有颜色栈；在一种颜色内嵌套另一种颜色时，内层颜色闭合时会静默丢弃外层颜色。各属性占用彼此独立的 SGR 组，可以按任一顺序与任何颜色组合。运行 `/palette` 可查看每个角色在你的终端上的实际渲染效果及其 SGR 码对。
 
 成组区域（用户提示词、assistant 回复、工具卡片）通过以角色色渲染的粗体带下划线角色标题和空行分隔，而非填充背景块或逐行前缀，因此用鼠标框选复制时不会带上任何左侧竖条或缩进；工具卡片的状态（进行中、错误、成功）由其彩色带下划线的标题字形与标题体现。在工具卡片内部，整个正文——presenter 标题、终端 `$` 命令与 cwd，以及工具自身的输出——统一以同一种暗色渲染，因此只有带状态色的表头携带颜色，正文读作一个整体弱化的区块，而不是一串互相竞争的色调；注入上下文卡片的正文与其表头也是同一种色调。diff 卡片的 `+`/`-` 行与 `[signal …]` 标记保留颜色，因为那里的颜色本身就是语义，而非强调。问题面板使用粗体强调色文本突出活跃行，选择器则使用反色。所有效果都只作用于前景色，因此不会与终端背景冲突。设置 `color: false` 可移除所有样式。
 
diff --git a/packages/ui/tui/src/chat/model-command.ts b/packages/ui/tui/src/chat/model-command.ts
index 133a3d0d9f..c86b3b7e3d 100644
--- a/packages/ui/tui/src/chat/model-command.ts
+++ b/packages/ui/tui/src/chat/model-command.ts
@@ -8,7 +8,7 @@
  */
 
 import type { AgentLlmTarget, AgentLlmTargetRef } from '@deepseek-ai/dsh-agent'
-import { errorChain, type ReasoningEffortId } from '@deepseek-ai/dsh-llm'
+import { errorChain, LlmError, type ReasoningEffortId } from '@deepseek-ai/dsh-llm'
 import type { TuiOverlaySession } from '../extension/types.ts'
 import { displayText } from '../components/text.ts'
 import {
@@ -37,6 +37,8 @@ export interface ModelController {
   resetContextResolution(): void
   /** Forget the tracked selector overlay (shutdown). */
   clearOverlay(): void
+  /** Remove the adapter-registration listener (channel detach). */
+  detach(): void
 }
 
 type ContextResolution =
@@ -55,8 +57,15 @@ export function createModelController(deps: ModelControllerDeps): ModelControlle
   let modelOverlay: TuiOverlaySession | undefined
   let modelCommands = Promise.resolve()
 
+  // A route whose adapter has not registered yet. Loader activation order is
+  // service-driven, so the TUI can mount before a configured adapter plugin
+  // activates; that transient NO_ADAPTER is not an error — the resolution
+  // waits for the next `llm/adapters-updated` commit instead of surfacing it.
+  let awaitingAdapter = false
+
   const resolveContextWindow = (selected: AgentLlmTarget | undefined): void => {
     contextWindow = undefined
+    awaitingAdapter = false
     const resolution: Promise<ContextResolution> = selected === undefined
       ? Promise.resolve({ kind: 'resolved', contextWindow: undefined } as const)
       : ctx.llm.resolveModelInfo(selected.provider, selected.model).then(
@@ -67,6 +76,10 @@ export function createModelController(deps: ModelControllerDeps): ModelControlle
     void resolution.then((result) => {
       if (contextResolution !== resolution) return
       if (result.kind === 'error') {
+        if (selected !== undefined && result.error instanceof LlmError && result.error.code === 'NO_ADAPTER') {
+          awaitingAdapter = true
+          return
+        }
         deps.appendNotice(`Could not resolve model context: ${errorChain(result.error)}`, 'error')
         return
       }
@@ -74,6 +87,15 @@ export function createModelController(deps: ModelControllerDeps): ModelControlle
       deps.requestRender()
     })
   }
+  // The wait cannot go stale against `target.current`: every target change
+  // re-enters resolveContextWindow, which clears it. A commit that still
+  // lacks the route parks the resolution again rather than erroring, so
+  // unrelated topology changes stay silent. The disposer rides the channel's
+  // detachListeners() through detach(), matching the sibling listeners.
+  const disposeAdapterListener = ctx.on('llm/adapters-updated', () => {
+    if (deps.isDisposed() || !awaitingAdapter) return
+    resolveContextWindow(target.current)
+  })
   resolveContextWindow(target.current)
 
   const selectModel = (
@@ -187,5 +209,8 @@ export function createModelController(deps: ModelControllerDeps): ModelControlle
     clearOverlay(): void {
       modelOverlay = undefined
     },
+    detach(): void {
+      disposeAdapterListener()
+    },
   }
 }
diff --git a/packages/ui/tui/src/chat/timing.ts b/packages/ui/tui/src/chat/timing.ts
index 0aff3bc736..2312aa49b6 100644
--- a/packages/ui/tui/src/chat/timing.ts
+++ b/packages/ui/tui/src/chat/timing.ts
@@ -1,8 +1,8 @@
 /**
- * Per-step timing model and running-status glyph animation for the terminal
+ * Per-step timing model and prompt-status glyph animation for the terminal
  * front door. Timing buckets are replayed from the session event stream; the
- * running glyph fades in on turn start, throbs while the turn runs, and fades
- * out on turn end.
+ * active glyph fades in when work starts, throbs while work runs, and fades out
+ * when it ends.
  * @module @deepseek-ai/dsh-tui/chat/timing
  */
 
@@ -10,25 +10,25 @@ import type { SessionEvent } from '@deepseek-ai/dsh-session'
 import type { Palette } from '../components/theme.ts'
 
 /**
- * Render cadence of the running prompt while active, and while the glyph fades
- * out after a turn ends. ~20 fps so the truecolor glyph fade reads smoothly;
+ * Render cadence of the status prompt while active, and while the glyph fades
+ * out after work ends. ~20 fps so the truecolor glyph fade reads smoothly;
  * the same tick keeps the elapsed-time text (0.1 s resolution) current. Only
  * changed terminal cells are re-emitted, so the faster tick stays cheap.
  */
 export const STATUS_ANIMATION_INTERVAL_MS = 50
 
 /**
- * Milliseconds over which the running glyph fades in when a turn starts and
- * fades out after it ends. The fade is an envelope over the running pulse:
+ * Milliseconds over which the status glyph fades in when work starts and fades
+ * out after it ends. The fade is an envelope over the active pulse:
  * inside it the glyph throbs (see {@link STATUS_PULSE_PERIOD_MS}).
  */
 export const STATUS_FADE_MS = 300
 
-/** Milliseconds for one full brightness throb of the running glyph. */
+/** Milliseconds for one full brightness throb of the active status glyph. */
 export const STATUS_PULSE_PERIOD_MS = 1400
 
 /**
- * Brightness floor of the running throb, as a fraction of the settled gray. At
+ * Brightness floor of the status throb, as a fraction of the settled gray. At
  * 0 the pulse swells from the near-background trough up to full and back. The
  * trough is still rendered as the dimmest gray, not clipped to a blank, so the
  * cosine breathes symmetrically bold→dim→bold.
@@ -36,7 +36,7 @@ export const STATUS_PULSE_PERIOD_MS = 1400
 export const STATUS_PULSE_FLOOR = 0
 
 /**
- * Muted-gray foreground the truecolor running glyph fades through, from the
+ * Muted-gray foreground the truecolor status glyph fades through, from the
  * near-background trough (opacity 0) to the settled dim gray (opacity 1). Same
  * hue-free gray as the idle caret, so the glyph reads as the caret dimly
  * appearing rather than a colored indicator. Foreground-only, matching the
@@ -185,6 +185,9 @@ export const TIMING_BUCKET_GLYPHS: Record<TimingBucket, string> = {
   tools: '⚙',
 }
 
+/** Status glyph for a live standalone compaction bracket. */
+const COMPACTING_GLYPH = '⊙'
+
 /**
  * Derive the currently open step's active timing bucket, or `undefined` when no
  * step is open. The open step is the last `step/start` with no later matching
@@ -219,25 +222,32 @@ export function openStepPhase(events: readonly SessionEvent[]): TimingBucket | u
 }
 
 /**
- * The running agent's phase glyph, or `undefined` when idle. A running turn
- * with no open step falls back to the pre-first-token wait so a glyph is always
- * available while the agent works; it fades in on turn start, throbs while the
- * turn runs, and fades out on turn end (see {@link fadeGlyph}).
+ * The active status glyph, or `undefined` when idle. A running turn takes
+ * precedence over standalone compaction and falls back to the pre-first-token
+ * wait when no step is open. The caller applies the shared fade and throb
+ * animation (see {@link fadeGlyph}).
  * @param events - Session events to derive the phase from.
  * @param running - Whether the agent is currently running.
- * @returns The phase glyph, or `undefined` when idle.
+ * @param compacting - Whether a live standalone compaction bracket is open.
+ * @returns The active status glyph, or `undefined` when idle.
  */
-export function runningPhaseGlyph(events: readonly SessionEvent[], running: boolean): string | undefined {
-  if (!running) return undefined
-  const bucket = openStepPhase(events) ?? 'ttft'
-  return TIMING_BUCKET_GLYPHS[bucket]
+export function runningPhaseGlyph(
+  events: readonly SessionEvent[],
+  running: boolean,
+  compacting: boolean,
+): string | undefined {
+  if (running) {
+    const bucket = openStepPhase(events) ?? 'ttft'
+    return TIMING_BUCKET_GLYPHS[bucket]
+  }
+  return compacting ? COMPACTING_GLYPH : undefined
 }
 
 /**
- * The running throb's brightness at continuous clock `nowMs`: a cosine between
+ * The status throb's brightness at continuous clock `nowMs`: a cosine between
  * {@link STATUS_PULSE_FLOOR} and 1 over {@link STATUS_PULSE_PERIOD_MS}, so the
  * dim glyph breathes bold→dim→bold without ever blinking off. Multiplied by the
- * fade envelope, which alone drives appear/disappear at turn boundaries.
+ * fade envelope, which alone drives appear/disappear at work boundaries.
  *
  * @param nowMs - Monotonic render clock in milliseconds.
  * @returns Brightness fraction in [{@link STATUS_PULSE_FLOOR}, 1].
@@ -249,14 +259,14 @@ export function pulseLevel(nowMs: number): number {
 }
 
 /**
- * One frame of the running glyph at fade `opacity` (0 = near-background trough
+ * One frame of the status glyph at fade `opacity` (0 = near-background trough
  * gray, 1 = settled dim gray). The character and its width never change — only
  * the gray fades — so the prompt caret column stays fixed and the glyph reads as
  * the caret dimly breathing, never a colored indicator.
  *
  * With truecolor the glyph's 24-bit gray foreground interpolates continuously
  * between {@link STATUS_FADE_GRAY}'s trough and settled stops, so both the fade
- * and the running throb render as a smooth, symmetric brightness swing with no
+ * and the status throb render as a smooth, symmetric brightness swing with no
  * hard cutoff to clip the trough into a blank. Without truecolor there is no
  * per-frame gray, so `visible` (driven by the fade envelope, not the opacity)
  * shows the glyph in the palette's muted role or leaves a blank column — a
@@ -264,7 +274,7 @@ export function pulseLevel(nowMs: number): number {
  * no throb-driven blink. With color off entirely a visible glyph is bare,
  * holding the caret column on a monochrome terminal.
  *
- * @param glyph - The phase glyph to paint.
+ * @param glyph - The status glyph to paint.
  * @param palette - Active palette supplying the muted (dim gray) role.
  * @param colorEnabled - Whether ANSI is emitted at all.
  * @param truecolor - Whether the terminal accepts 24-bit foreground codes.
diff --git a/packages/ui/tui/src/components/theme.ts b/packages/ui/tui/src/components/theme.ts
index 269a7c28e8..43630e27d8 100644
--- a/packages/ui/tui/src/components/theme.ts
+++ b/packages/ui/tui/src/components/theme.ts
@@ -46,6 +46,8 @@ export type AttributeRole = <T extends string>(text: T) => T
  */
 export interface Palette {
   accent: ColorRole
+  /** DeepSeek brand ink; exact gradient callers may override it on truecolor terminals. */
+  brand: ColorRole
   /** The terminal's own default foreground; still a color, so it does not stack. */
   text: ColorRole
   /** The one recessed tone, below `text`: tool-card bodies, chrome, reasoning, footers. */
@@ -63,7 +65,7 @@ export interface Palette {
 }
 
 /** Names of the palette's color roles, in the order `/palette` prints them. */
-export const COLOR_ROLES = ['text', 'dim', 'accent', 'code', 'success', 'warning', 'error'] as const
+export const COLOR_ROLES = ['text', 'dim', 'accent', 'brand', 'code', 'success', 'warning', 'error'] as const
 
 /** Names of the palette's attribute roles, in the order `/palette` prints them. */
 export const ATTRIBUTE_ROLES = ['bold', 'italic', 'underline', 'strike', 'selected'] as const
@@ -86,8 +88,9 @@ export interface RoleSpec {
  *
  * Only the standard 16-color set and SGR attributes appear here. Terminals remap
  * those to the user's active theme, so the TUI stays legible on any background;
- * a fixed 24-bit color would not. The brand gradient is the one deliberate
- * exception ({@link gradientText}).
+ * a fixed 24-bit color would not. The startup gradient and exact official mark
+ * color are the two deliberate brand exceptions ({@link gradientText},
+ * {@link brandText}).
  *
  * @param scheme - Active terminal color scheme; only `code` differs between them.
  * @returns The SGR spec for every color and attribute role.
@@ -109,6 +112,7 @@ export function paletteSpec(scheme: TerminalColorScheme): {
       // prominent text on screen.
       dim: { open: '2;39', close: '22;39', purpose: 'The one recessed tone: tool bodies, chrome, footers' },
       accent: { open: '95', close: '39', purpose: 'The one emphasis color: role headers, prompt, borders' },
+      brand: { open: '34', close: '39', purpose: 'DeepSeek brand art when truecolor is unavailable' },
       // ANSI 36 (cyan) is difficult to read on a light background — use ANSI 34
       // (blue) which is legible on both light and dark schemes.
       code: scheme === 'light'
@@ -168,6 +172,19 @@ const BRAND_GRADIENT = [
   [36, 152, 255], // #2498FF
 ] as const
 
+/** Official DeepSeek icon ink from the shipped 24x24 SVG. */
+const DEEPSEEK_BRAND_RGB = BRAND_GRADIENT[0]
+
+/**
+ * Paint trusted static DeepSeek brand art with the official `#4D6BFE` ink.
+ * @param text - Static brand text or raster cells.
+ * @returns text wrapped in the official truecolor foreground and a foreground reset.
+ */
+export function brandText(text: string): string {
+  const [r, g, b] = DEEPSEEK_BRAND_RGB
+  return `\x1b[38;2;${r};${g};${b}m${text}\x1b[39m`
+}
+
 /**
  * Sample {@link BRAND_GRADIENT} at fraction `t` via piecewise-linear
  * interpolation across its stops.
@@ -199,13 +216,12 @@ function brandColorAt(t: number): readonly [number, number, number] {
  * @returns `text` wrapped in truecolor SGR foreground codes.
  */
 export function gradientText(text: string): string {
-  // The sole caller passes the ASCII product name, so UTF-16 unit iteration
-  // samples exactly one color per visible letter.
-  const last = Math.max(1, text.length - 1)
+  const glyphs = Array.from(text)
+  const last = Math.max(1, glyphs.length - 1)
   let painted = ''
-  for (let index = 0; index < text.length; index += 1) {
+  for (let index = 0; index < glyphs.length; index += 1) {
     const [r, g, b] = brandColorAt(index / last)
-    painted += `\x1b[38;2;${r};${g};${b}m${text.charAt(index)}`
+    painted += `\x1b[38;2;${r};${g};${b}m${glyphs[index]}`
   }
   return `${painted}\x1b[39m`
 }
diff --git a/packages/ui/tui/src/components/transcript.ts b/packages/ui/tui/src/components/transcript.ts
index 774e982f81..c8ba061166 100644
--- a/packages/ui/tui/src/components/transcript.ts
+++ b/packages/ui/tui/src/components/transcript.ts
@@ -52,15 +52,28 @@ function pretty(value: unknown): string {
   return displayText(serialized ?? String(value))
 }
 
+/**
+ * A side's content lines under the terminator rule the Web DiffBlock also
+ * applies: empty text is zero lines (a full deletion's `newText`, a create's
+ * absent `oldText`), and a single trailing newline terminates the last line
+ * rather than adding an empty one. An interior blank line survives. Keeping the
+ * two front ends on the same rule holds their `+A -R` footers in step.
+ */
+function diffContentLines(text: string): string[] {
+  if (text === '') return []
+  const body = text.endsWith('\n') ? text.slice(0, -1) : text
+  return body.split('\n')
+}
+
 /** A file diff as colored `+`/`-` lines, optionally prefixed with its path. */
 function diffLines(diff: FileDiff, palette: Palette): string[] {
   // The card header is a fixed `Tool / <name>` frame that never names a file, so
   // each hunk always carries its own path header (no redundancy to suppress).
   const lines = [palette.bold(displayText(diff.path))]
   if (diff.oldText !== null) {
-    for (const line of displayText(diff.oldText).split('\n')) lines.push(palette.error(`- ${line}`))
+    for (const line of diffContentLines(displayText(diff.oldText))) lines.push(palette.error(`- ${line}`))
   }
-  for (const line of displayText(diff.newText).split('\n')) lines.push(palette.success(`+ ${line}`))
+  for (const line of diffContentLines(displayText(diff.newText))) lines.push(palette.success(`+ ${line}`))
   return lines
 }
 
@@ -389,20 +402,26 @@ export class ToolCardComponent implements Component {
     const glyph = this.result === undefined ? '○' : '●'
     const rawBody = this.renderBody()
     const view = this.resultView ?? this.callView
-    // A generic card's own content, or a web card's fallback to the raw result
-    // content (the `web` view carries no `content` copy), both render as one dim
-    // Markdown block below, so links/lists/headings keep the unified dim styling
-    // rather than reading as bare text. Terminal and diff cards own their body
+    // A generic card's own content, a read card's `content` fallback (the
+    // envelope-stripped file text — the TUI has no dedicated read rendering, so a
+    // read renders exactly as before the read card existed), or a search/web
+    // card's fallback to the raw result content (neither the `search` nor the
+    // `web` view carries a `content` copy), all render as one dim Markdown block
+    // below, so links/lists/headings keep the unified dim styling rather than
+    // reading as bare text. A search card thus stays byte-identical to the
+    // pre-search-card generic fallback. Terminal and diff cards own their body
     // styling, so they are excluded (mirrors renderBody's post-terminal/diff fallback).
-    const markdownContent = view.card === 'generic'
+    const markdownContent = view.card === 'generic' || view.card === 'read'
       ? view.content ?? this.result?.content
-      : view.card === 'web'
-        // A web resultView is only assigned alongside this.result (the result
-        // handler sets both) and the pending callView is never a web card, so
-        // the optional-chain undefined side is unreachable here.
-        /* v8 ignore next */
+      : view.card === 'search'
         ? this.result?.content
-        : undefined
+        : view.card === 'web'
+          // A web resultView is only assigned alongside this.result (the result
+          // handler sets both) and the pending callView is never a web card, so
+          // the optional-chain undefined side is unreachable here.
+          /* v8 ignore next */
+          ? this.result?.content
+          : undefined
     const unknownXml = this.definition === undefined && markdownContent !== undefined
       ? renderUnknownXml(
         displayText(contentText(markdownContent)),
@@ -501,25 +520,31 @@ export class ToolCardComponent implements Component {
     }
     if (view.card === 'diff') {
       // The header no longer names the file, so each diff keeps its own path
-      // header. A trailing footer summarizes the change (`+A -R · N file(s)`).
+      // header. A trailing footer summarizes the change (`+A -R · N file(s)`),
+      // on the same terminator rule and distinct-path count the Web DiffBlock
+      // uses, so the two front ends' footers agree.
       let added = 0
       let removed = 0
+      const paths = new Set<string>()
       const hunks = view.diffs.flatMap((diff, index) => {
-        if (diff.oldText !== null) removed += displayText(diff.oldText).split('\n').length
-        added += displayText(diff.newText).split('\n').length
+        paths.add(diff.path)
+        if (diff.oldText !== null) removed += diffContentLines(displayText(diff.oldText)).length
+        added += diffContentLines(displayText(diff.newText)).length
         return [...index > 0 ? [''] : [], ...diffLines(diff, this.palette)]
       })
-      const files = view.diffs.length
+      const files = paths.size
       const footer = this.palette.dim(`└ +${added} -${removed} · ${files} file${files === 1 ? '' : 's'}`)
       // A diff's own `+`/`-` colors carry its meaning, so it renders verbatim
       // rather than under the dim result-output color.
       return { prelude: [...hunks, footer], lines: [] }
     }
-    // The web card carries no `content` copy, so a `web` result view falls back
-    // to the raw result content here (`view.card === 'generic'` narrows the
-    // generic union arm; a `web` card takes the same fallback, mirroring the
-    // `markdownContent` selection in render()).
-    const content = (view.card === 'generic' ? view.content : undefined) ?? this.result?.content
+    // A generic or read card carries its own envelope-stripped `content`; a
+    // search or web card carries no `content` copy and falls back to the raw
+    // result content here. (Mirrors the `markdownContent` selection in render();
+    // a read card has no dedicated TUI rendering, so its `content` takes the same
+    // body path, keeping read output as it was before the read card existed, and
+    // a search card stays byte-identical to the pre-search-card fallback.)
+    const content = (view.card === 'generic' || view.card === 'read' ? view.content : undefined) ?? this.result?.content
     const prelude: string[] = []
     const lines: string[] = []
     // The presenter title headlines the body now that the header is a fixed
diff --git a/packages/ui/tui/src/config.ts b/packages/ui/tui/src/config.ts
index def548861f..97822d63b1 100644
--- a/packages/ui/tui/src/config.ts
+++ b/packages/ui/tui/src/config.ts
@@ -122,8 +122,8 @@ export interface Config extends TuiConfig {
   /**
    * Skill name auto-invoked as this session's first user turn, exactly as if
    * the user typed `/skill:<name>`. Set only by a launcher for a fresh
-   * skill-guided session (`dsh migrate`/`dsh upgrade`); absent leaves the first
-   * turn to the user.
+   * skill-guided session (`dsh migrate`/`dsh experimental-upgrade`); absent
+   * leaves the first turn to the user.
    */
   initialSkill?: string
 }
diff --git a/packages/ui/tui/src/extension/types.ts b/packages/ui/tui/src/extension/types.ts
index cb0e7e434f..aa24a7b14e 100644
--- a/packages/ui/tui/src/extension/types.ts
+++ b/packages/ui/tui/src/extension/types.ts
@@ -37,6 +37,8 @@ export interface TuiFocusable {
 export interface TuiTheme {
   /** Render ordinary foreground text. */
   readonly text: (value: string) => string
+  /** Render trusted static brand art with the host's configured brand treatment. */
+  readonly brand: (value: string) => string
   /** Render secondary information and low-emphasis hints, the one tone below `text`. */
   readonly dim: (value: string) => string
   /** Render the active accent role. */
diff --git a/packages/ui/tui/src/index.ts b/packages/ui/tui/src/index.ts
index 153c21cd8a..5f1eb0aed3 100644
--- a/packages/ui/tui/src/index.ts
+++ b/packages/ui/tui/src/index.ts
@@ -69,7 +69,7 @@ import type {
   TuiTheme,
 } from './extension/types.ts'
 import { displayInlineText, displayText } from './components/text.ts'
-import { createPalette, markdownTheme, renderPalette, selectTheme } from './components/theme.ts'
+import { brandText, createPalette, markdownTheme, renderPalette, selectTheme } from './components/theme.ts'
 import { contentText, parseArguments } from './components/content.ts'
 import {
   cacheHitRate,
@@ -80,6 +80,7 @@ import {
 import {
   fadeGlyph,
   formatQueuedStatus,
+  formatStatusDuration,
   openStepPhase,
   openTurn,
   pulseLevel,
@@ -226,9 +227,9 @@ export const TUI_GOODBYE_MESSAGE_KEY = 'tuiGoodbyeMessage'
 /**
  * Context key a launcher sets before any Loader entry mounts
  * (`ctx.provide(INITIAL_SKILL_KEY, name)`) to seed a fresh session's first user
- * turn with `/skill:<name>` — the `dsh migrate`/`dsh upgrade` guided-session
- * entry. The launcher sets it only when minting a fresh session, so it never
- * re-fires on a resumed one. Absent leaves the first turn to the user.
+ * turn with `/skill:<name>` — the `dsh migrate`/`dsh experimental-upgrade`
+ * guided-session entry. The launcher sets it only when minting a fresh session,
+ * so it never re-fires on a resumed one. Absent leaves the first turn to the user.
  */
 export const INITIAL_SKILL_KEY = 'tuiInitialSkill'
 
@@ -329,6 +330,7 @@ export function createTuiChat(
   })
   editor.hintPrefix = initialInputPrompt
   const todo = new TodoComponent(palette)
+  const compactionStatusLine = new Text('', 0, 0)
   let showReasoning = resolved.showReasoning
   // Ctrl+O cycles collapsed -> expanded -> hidden. Codex-style: hidden drops
   // tool cards entirely, collapsed previews, expanded shows full bodies.
@@ -337,6 +339,14 @@ export function createTuiChat(
   let completedStreaming: StreamingAssistantComponent | undefined
   let runningStatus: RunningStatus | undefined
   let fadingStatus: FadingStatus | undefined
+  /**
+   * Live standalone compaction observed by this process. Never derive this
+   * state from history: a resumed log may contain a stale orphaned start.
+   */
+  let compacting: {
+    startedAt: number
+    timer: ReturnType<typeof setInterval>
+  } | undefined
   // TUI steering submissions that the inbox has not yet claimed or discarded.
   // Correlation ids avoid guessing whether a running-state submission actually
   // joined steering or fell back to the queued-turn FIFO during turn close.
@@ -401,6 +411,7 @@ export function createTuiChat(
     throw new Error('TUI prompt built-ins failed to initialize')
   }
   const updatePromptValues = (): void => {
+    const renderTime = now()
     cwdValue.set(palette.bold(palette.accent(formattedCwd)))
     gitValue.set(branch === undefined ? undefined : palette.dim(` (${displayText(branch)})`))
     const rate = cacheHitRate(tokens)
@@ -414,23 +425,31 @@ export function createTuiChat(
     const queued = runningStatus === undefined ? undefined : formatQueuedStatus(pendingSteering.size)
     queuedValue.set(queued === undefined ? undefined : palette.dim(queued))
     symbolValue.set(palette.bold(palette.accent('dsh')))
+    compactionStatusLine.setText(compacting === undefined
+      ? ''
+      : palette.dim(`Context being compacted ${formatStatusDuration(renderTime - compacting.startedAt)}`))
     // `${indicator}` owns the caret column and its trailing gap before the
-    // cursor. The phase glyph replaces the `>` caret in place — same width
-    // every frame — fading in as a turn starts, throbbing while it runs, and
-    // fading out after it ends before the plain `>` returns. Only the gray
+    // cursor. The active status glyph replaces the `>` caret in place — same
+    // width every frame — fading in when work starts, throbbing while it runs,
+    // and fading out after it ends before the plain `>` returns. Only the gray
     // brightness changes, so the cursor never shifts.
-    const runningGlyph = runningPhaseGlyph(agent.session.events, runningStatus !== undefined)
+    const statusGlyph = runningPhaseGlyph(
+      agent.session.events,
+      runningStatus !== undefined,
+      compacting !== undefined,
+    )
     // Remember the live phase glyph so the fade-out shows it, not the ttft
     // fallback the derivation returns once the closing turn's step has ended.
-    if (runningStatus !== undefined && runningGlyph !== undefined) runningStatus.lastGlyph = runningGlyph
-    // The fade envelope gates appear/disappear; the running throb breathes the
-    // glyph the whole turn. Truecolor opacity is envelope × throb; the
+    if (runningStatus !== undefined && statusGlyph !== undefined) runningStatus.lastGlyph = statusGlyph
+    // The fade envelope gates appear/disappear; the active throb breathes the
+    // glyph throughout the operation. Truecolor opacity is envelope × throb; the
     // non-truecolor fallback keys visibility off the envelope alone, so the
     // throb never blinks it. `envelope` clamps to [0, 1].
-    const envelope = runningStatus !== undefined && runningGlyph !== undefined
-      ? { glyph: runningGlyph, level: Math.min(1, (now() - runningStatus.startedAt) / STATUS_FADE_MS) }
+    const activeSince = runningStatus?.startedAt ?? compacting?.startedAt
+    const envelope = activeSince !== undefined && statusGlyph !== undefined
+      ? { glyph: statusGlyph, level: Math.min(1, (renderTime - activeSince) / STATUS_FADE_MS) }
       : fadingStatus !== undefined
-        ? { glyph: fadingStatus.glyph, level: Math.max(0, 1 - (now() - fadingStatus.endedAt) / STATUS_FADE_MS) }
+        ? { glyph: fadingStatus.glyph, level: Math.max(0, 1 - (renderTime - fadingStatus.endedAt) / STATUS_FADE_MS) }
         : undefined
     const caret = envelope === undefined
       ? palette.dim('>')
@@ -439,7 +458,7 @@ export function createTuiChat(
         palette,
         resolved.theme.color,
         resolved.theme.color && resolved.theme.truecolor,
-        envelope.level * pulseLevel(now()),
+        envelope.level * pulseLevel(renderTime),
         envelope.level >= 0.5,
       )
     indicatorValue.set(`${caret}${palette.dim(' ')}`)
@@ -454,6 +473,7 @@ export function createTuiChat(
   ui.addChild(new Spacer(1))
   todoContainer.addChild(todo)
   ui.addChild(todoContainer)
+  ui.addChild(compactionStatusLine)
   ui.addChild(promptContext)
   ui.addChild(editor)
   ui.setFocus(editor)
@@ -487,6 +507,9 @@ export function createTuiChat(
 
   const extensionTheme: TuiTheme = Object.freeze({
     text: (value: string) => palette.text(value),
+    brand: (value: string) => resolved.theme.color
+      ? resolved.theme.truecolor ? brandText(value) : palette.brand(value)
+      : value,
     dim: (value: string) => palette.dim(value),
     accent: (value: string) => palette.accent(value),
     success: (value: string) => palette.success(value),
@@ -538,8 +561,8 @@ export function createTuiChat(
     requestRender()
   }
 
-  /** Stop the running and fade-out timers and drop both states at once. */
-  const clearStatus = (): void => {
+  /** Stop the turn-phase running and fade-out timers and drop both states. */
+  const clearTurnStatus = (): void => {
     if (runningStatus !== undefined) {
       clearInterval(runningStatus.timer)
       runningStatus = undefined
@@ -548,21 +571,30 @@ export function createTuiChat(
       clearInterval(fadingStatus.timer)
       fadingStatus = undefined
     }
-    runtime.terminal.setProgress(false)
+    runtime.terminal.setProgress(compacting !== undefined)
+  }
+
+  /** Hard clear: drop every indicator, including a live compaction bracket. */
+  const clearStatus = (): void => {
+    if (compacting !== undefined) {
+      clearInterval(compacting.timer)
+      compacting = undefined
+    }
+    clearTurnStatus()
   }
 
   /**
-   * On the running → non-running edge, hand the last rendered glyph to a
-   * fade-out that re-renders until it settles on the `>` caret, then stops its
-   * own timer. A hard clear (teardown) skips this via {@link clearStatus}.
+   * Hand the last active glyph to a fade-out that re-renders until it settles
+   * on the `>` caret, then stops its own timer. A hard clear (teardown) skips
+   * this via {@link clearStatus}.
    */
   const beginFadeOut = (glyph: string): void => {
-    clearStatus()
+    clearTurnStatus()
     const fading: FadingStatus = {
       glyph,
       endedAt: now(),
       timer: setInterval(() => {
-        if (now() - fading.endedAt >= STATUS_FADE_MS) clearStatus()
+        if (now() - fading.endedAt >= STATUS_FADE_MS) clearTurnStatus()
         renderStatus()
       }, STATUS_ANIMATION_INTERVAL_MS),
     }
@@ -572,9 +604,9 @@ export function createTuiChat(
   const setStatus = (status: AgentStatus): void => {
     const priorTurn = runningStatus?.turn
     const fadeOutGlyph = status !== 'running' ? runningStatus?.lastGlyph : undefined
-    if (status === 'running') clearStatus()
+    if (status === 'running') clearTurnStatus()
     else if (fadeOutGlyph !== undefined) beginFadeOut(fadeOutGlyph)
-    else clearStatus()
+    else clearTurnStatus()
     editor.borderColor = status === 'running' ? text => palette.accent(text) : text => palette.dim(text)
     editor.hint = status === 'running' ? palette.dim(displayInlineText(resolved.theme.inputPlaceholder)) : undefined
     if (status === 'running') {
@@ -1514,6 +1546,32 @@ export function createTuiChat(
     recordEventUsage(tokens, event)
     if (event.type === 'turn/start' && runningStatus !== undefined) runningStatus.turn = event.data.turn
     if (event.type === 'assistant/message' && streaming?.isSettled()) streaming = undefined
+    // Track live standalone compaction state.
+    if (event.type === 'compact/start' && event.data.turn === null) {
+      if (compacting === undefined) {
+        const startedAt = now()
+        compacting = {
+          startedAt,
+          timer: setInterval(renderStatus, STATUS_ANIMATION_INTERVAL_MS),
+        }
+        runtime.terminal.setProgress(true)
+      }
+      requestRender()
+      return
+    }
+    if (event.type === 'compact/end' && event.data.turn === null && compacting !== undefined) {
+      const fadeOutGlyph = runningPhaseGlyph(agent.session.events, false, true)
+      clearInterval(compacting.timer)
+      compacting = undefined
+      if (event.data.error !== undefined) {
+        appendNotice(`Compaction failed: ${event.data.error}`, 'warning')
+      }
+      // A concurrently running turn owns the indicator. Keep its timer and
+      // progress bit instead of letting the compaction fade clear that state.
+      if (runningStatus === undefined && fadeOutGlyph !== undefined) beginFadeOut(fadeOutGlyph)
+      requestRender()
+      return
+    }
     // A replacement mutates only the model surface, so the rendered transcript
     // keeps what it already showed; a landed summary checkpoint adds its marker.
     if (isReplacementSurfaceEvent(event)) {
@@ -1558,6 +1616,9 @@ export function createTuiChat(
     // TUI stays mounted. Retained agents accept deliveries after detachment, so
     // without this a later send would drive a zombie agent/session; mark
     // disposed so dispatchMessage reports it instead.
+    // The hard clear also retires live compaction. A later compact/end is
+    // intentionally presentation-silent: this disposal notice owns the
+    // terminal outcome, and no animation may survive agent detachment.
     clearStatus()
     appendNotice(`Agent "${agent.id}" was disposed.`, 'warning')
     disposed = true
@@ -1580,6 +1641,7 @@ export function createTuiChat(
     disposeAgent()
     disposeSchemeListener()
     disposeTargetListeners()
+    modelController.detach()
   }
 
   // Sweep reveal of the whole banner: the header wipes in left-to-right over
@@ -1645,11 +1707,11 @@ export function createTuiChat(
   })
   startBannerReveal()
 
-  // A launcher-seeded first turn (`dsh migrate`/`dsh upgrade`): invoke the
-  // named skill exactly as a typed `/skill:<name>` would, once the chat is live
-  // and the agent is idle. The launcher sets this only for a fresh session, so
-  // there is no prior turn to collide with; invokeSkill reports an unknown skill
-  // as a notice.
+  // A launcher-seeded first turn (`dsh migrate`/`dsh experimental-upgrade`):
+  // invoke the named skill exactly as a typed `/skill:<name>` would, once the
+  // chat is live and the agent is idle. The launcher sets this only for a fresh
+  // session, so there is no prior turn to collide with; invokeSkill reports an
+  // unknown skill as a notice.
   if (config.initialSkill !== undefined) invokeSkill(config.initialSkill, '')
 
   return {
diff --git a/packages/ui/tui/tests/extension.spec.ts b/packages/ui/tui/tests/extension.spec.ts
index a7eec5589e..15bfee33f6 100644
--- a/packages/ui/tui/tests/extension.spec.ts
+++ b/packages/ui/tui/tests/extension.spec.ts
@@ -20,6 +20,7 @@ import {
 
 const theme: TuiTheme = Object.freeze({
   text: (value: string) => `text:${value}`,
+  brand: (value: string) => `brand:${value}`,
   muted: (value: string) => `muted:${value}`,
   dim: (value: string) => `dim:${value}`,
   accent: (value: string) => `accent:${value}`,
diff --git a/packages/ui/tui/tests/harness.ts b/packages/ui/tui/tests/harness.ts
index 61875eea23..8b0b10565e 100644
--- a/packages/ui/tui/tests/harness.ts
+++ b/packages/ui/tui/tests/harness.ts
@@ -225,6 +225,7 @@ export async function createTuiTestHarness<TerminalType extends Terminal, Exit e
       injectedOptions.push(input)
       return input.id
     },
+    reserveTurnAdmission: () => undefined,
     cancel(cause) {
       cancelled.push(cause)
     },
diff --git a/packages/ui/tui/tests/tui.spec.ts b/packages/ui/tui/tests/tui.spec.ts
index 059fd30dd1..0ae603a0ce 100644
--- a/packages/ui/tui/tests/tui.spec.ts
+++ b/packages/ui/tui/tests/tui.spec.ts
@@ -10,6 +10,7 @@ import AgentRegistry, {
 import { createUserMessage,
   createToolResultMessage,
   freezeMessage,
+  LlmError,
   ReasoningEffortId,
   type LlmCallConfig,
   type LlmModelReasoningInfo,
@@ -39,7 +40,7 @@ import {
   type TuiRuntime,
 } from '../src/index.ts'
 import { WorkspaceFileSearch } from '../src/chat/file-autocomplete.ts'
-import { ATTRIBUTE_ROLES, COLOR_ROLES, paletteSpec } from '../src/components/theme.ts'
+import { ATTRIBUTE_ROLES, brandText, COLOR_ROLES, paletteSpec } from '../src/components/theme.ts'
 import {
   appendAssistant,
   appendUser,
@@ -132,6 +133,12 @@ async function tick(): Promise<void> {
   await new Promise(resolve => setTimeout(resolve, 25))
 }
 
+function promptWidth(output: string): number {
+  const row = output.split('\n').find(line => line.includes('dsh'))
+  if (row === undefined) throw new Error('prompt row not rendered')
+  return visibleWidth(row.slice(row.indexOf('dsh'), row.indexOf('dsh') + 6))
+}
+
 async function setup(options: TuiHarnessOptions = {}) {
   const terminal = new FakeTerminal()
   const exit = vi.fn()
@@ -1919,12 +1926,6 @@ describe('pi-tui chat lifecycle and transcript', () => {
     // `dsh <glyph> ` with the same visible width as the idle `dsh > `, so the
     // cursor never shifts. Assert both the glyph slot and that constant width
     // (color is off in this harness, so output carries no ANSI to strip).
-    const promptWidth = (): number => {
-      const row = result.terminal.output.split('\n').find(line => line.includes('dsh'))
-      if (row === undefined) throw new Error('prompt row not rendered')
-      return visibleWidth(row.slice(row.indexOf('dsh'), row.indexOf('dsh') + 6))
-    }
-
     // Each phase swaps only the glyph character in the same slot at equal width.
     const phaseGlyph: [() => void, string][] = [
       [() => result.session.append('assistant/chunk', { turn: 1, step: 1, chunk: { type: 'reasoning-delta', index: 0, text: 'weighing' } }), 'dsh ✻ '],
@@ -1937,8 +1938,8 @@ describe('pi-tui chat lifecycle and transcript', () => {
       drive()
       await tick()
       expect(result.terminal.output).toContain(expected)
-      runningWidth ??= promptWidth()
-      expect(promptWidth()).toBe(runningWidth)
+      runningWidth ??= promptWidth(result.terminal.output)
+      expect(promptWidth(result.terminal.output)).toBe(runningWidth)
     }
 
     // Idle begins a fade-out; once it settles (clock past the fade window) the
@@ -1955,12 +1956,189 @@ describe('pi-tui chat lifecycle and transcript', () => {
       return rows.at(-1) ?? ''
     }
     expect(promptRow()).toContain('dsh > ')
-    expect(promptRow()).not.toMatch(/dsh(?:\x1b\[[0-9;]*m| )*[◍✻●⚙]/u)
-    expect(promptWidth()).toBe(runningWidth)
+    expect(promptRow()).not.toMatch(/dsh(?:\x1b\[[0-9;]*m| )*[◍✻●⚙⊙]/u)
+    expect(promptWidth(result.terminal.output)).toBe(runningWidth)
 
     await dispose(result)
   })
 
+  it('shows a live standalone compaction in the fixed status area', async () => {
+    let clock = 0
+    const result = await setup({ omitInitialLifecycle: true, now: () => clock })
+    const idleWidth = promptWidth(result.terminal.output)
+
+    result.session.append('compact/start', { turn: null })
+    clock = 1_000
+    result.terminal.output = ''
+    await new Promise(resolve => setTimeout(resolve, 75))
+
+    expect(result.terminal.output).toContain('dsh ⊙ ')
+    expect(result.terminal.output).toContain('Context being compacted 1.0s')
+    expect(promptWidth(result.terminal.output)).toBe(idleWidth)
+    expect(result.terminal.progress.at(-1)).toBe(true)
+
+    clock = 1_450
+    result.terminal.output = ''
+    await new Promise(resolve => setTimeout(resolve, 75))
+    expect(result.terminal.output).toContain('Context being compacted 1.4s')
+
+    await dispose(result)
+  })
+
+  it('ignores a numbered compaction bracket while the status line is idle', async () => {
+    const result = await setup({ now: () => 1_000 })
+    result.session.append('compact/start', { turn: 1 })
+    await tick()
+
+    expect(result.terminal.output).toContain('dsh > ')
+    expect(result.terminal.output).not.toContain('dsh ⊙ ')
+    expect(result.terminal.progress.at(-1)).toBe(false)
+    await dispose(result)
+  })
+
+  it('fades a closed standalone compaction back to the plain caret', async () => {
+    let clock = 0
+    const result = await setup({ omitInitialLifecycle: true, now: () => clock })
+    clock = 1_000
+    result.session.append('compact/start', { turn: null })
+    await tick()
+    result.session.append('compact/end', { turn: null })
+    await tick()
+
+    clock = 2_000
+    await new Promise(resolve => setTimeout(resolve, 120))
+    result.terminal.output = ''
+    result.terminal.resize(result.terminal.columns + 1)
+    await tick()
+
+    expect(result.terminal.output).toContain('dsh > ')
+    expect(result.terminal.output).not.toMatch(/dsh [◍✻●⚙⊙]/u)
+    expect(result.terminal.output).not.toContain('Context being compacted')
+    expect(result.terminal.progress.at(-1)).toBe(false)
+    await dispose(result)
+  })
+
+  it('reports a failed standalone compaction when its live bracket closes', async () => {
+    const result = await setup({ omitInitialLifecycle: true, now: () => 1_000 })
+    result.session.append('compact/start', { turn: null })
+    result.terminal.output = ''
+    result.session.append('compact/end', { turn: null, error: 'summary failed' })
+    await tick()
+
+    expect(result.terminal.output).toContain('Compaction failed: summary failed')
+    expect(result.terminal.progress.at(-1)).toBe(false)
+    await dispose(result)
+  })
+
+  it('preserves live compaction progress across an idle status edge', async () => {
+    let clock = 0
+    const result = await setup({ omitInitialLifecycle: true, now: () => clock })
+    result.session.append('compact/start', { turn: null })
+    clock = 1_000
+    result.terminal.output = ''
+    result.ctx.emit('agent/status', result.agent, 'idle')
+    result.terminal.resize(result.terminal.columns + 1)
+    await tick()
+
+    expect(result.terminal.output).toContain('dsh ⊙ ')
+    expect(result.terminal.progress.at(-1)).toBe(true)
+    await dispose(result)
+  })
+
+  it('keeps a running turn phase glyph ahead of standalone compaction', async () => {
+    let clock = 0
+    const result = await setup({ status: 'running', now: () => clock })
+    clock = 1_000
+    result.terminal.output = ''
+    result.session.append('compact/start', { turn: null })
+    await tick()
+
+    expect(result.terminal.output).toContain('dsh ◍ ')
+    expect(result.terminal.output).not.toContain('dsh ⊙ ')
+    result.session.append('compact/end', { turn: null })
+    await tick()
+    result.terminal.output = ''
+    result.terminal.resize(result.terminal.columns + 1)
+    await tick()
+
+    expect(result.terminal.output).toContain('dsh ◍ ')
+    expect(result.terminal.output).not.toContain('dsh ⊙ ')
+    expect(result.terminal.progress.at(-1)).toBe(true)
+    await dispose(result)
+  })
+
+  it('treats duplicate live compaction starts as one owned bracket', async () => {
+    const intervalSpy = vi.spyOn(globalThis, 'setInterval')
+    const clearIntervalSpy = vi.spyOn(globalThis, 'clearInterval')
+    let result: Awaited<ReturnType<typeof setup>> | undefined
+    let didDispose = false
+    let clock = 0
+    try {
+      result = await setup({ omitInitialLifecycle: true, now: () => clock })
+      intervalSpy.mockClear()
+      clearIntervalSpy.mockClear()
+      result.session.append('compact/start', { turn: null })
+      clock = 1_000
+      result.session.append('compact/start', { turn: null })
+      await tick()
+
+      expect(intervalSpy).toHaveBeenCalledOnce()
+      expect(result.terminal.output).toContain('dsh ⊙ ')
+      expect(result.terminal.progress.at(-1)).toBe(true)
+
+      result.session.append('compact/end', { turn: null })
+      await tick()
+      expect(clearIntervalSpy).toHaveBeenCalledOnce()
+      expect(result.terminal.progress.at(-1)).toBe(false)
+
+      await dispose(result)
+      didDispose = true
+    } finally {
+      if (result !== undefined && !didDispose) await dispose(result)
+      intervalSpy.mockRestore()
+      clearIntervalSpy.mockRestore()
+    }
+  })
+
+  it('does not show compaction progress for a resumed orphaned start', async () => {
+    const result = await setup({
+      omitInitialLifecycle: true,
+      now: () => 1_000,
+      beforeMount(session) {
+        session.append('compact/start', { turn: null })
+      },
+    })
+
+    expect(result.terminal.output).toContain('dsh > ')
+    expect(result.terminal.output).not.toContain('dsh ⊙ ')
+    expect(result.terminal.output).not.toContain('Context being compacted')
+    expect(result.terminal.progress.at(-1)).toBe(false)
+    await dispose(result)
+  })
+
+  it('releases the live compaction timer and progress bit on dispose', async () => {
+    const intervalSpy = vi.spyOn(globalThis, 'setInterval')
+    const clearIntervalSpy = vi.spyOn(globalThis, 'clearInterval')
+    let result: Awaited<ReturnType<typeof setup>> | undefined
+    let didDispose = false
+    try {
+      result = await setup({ omitInitialLifecycle: true, now: () => 1_000 })
+      intervalSpy.mockClear()
+      clearIntervalSpy.mockClear()
+      result.session.append('compact/start', { turn: null })
+      expect(intervalSpy).toHaveBeenCalledOnce()
+
+      await dispose(result)
+      didDispose = true
+      expect(clearIntervalSpy).toHaveBeenCalledOnce()
+      expect(result.terminal.progress.at(-1)).toBe(false)
+    } finally {
+      if (result !== undefined && !didDispose) await dispose(result)
+      intervalSpy.mockRestore()
+      clearIntervalSpy.mockRestore()
+    }
+  })
+
   // Extract the running glyph's interpolated gray channel from a rendered frame.
   const glyphGray = (frame: string): number => {
     const m = /\x1b\[38;2;(\d+);(\d+);(\d+)m●/u.exec(frame)
@@ -2068,7 +2246,7 @@ describe('pi-tui chat lifecycle and transcript', () => {
   it('shows the plain prompt caret while idle', async () => {
     const result = await setup({ now: () => 0 })
     expect(result.terminal.output).toContain('dsh > ')
-    expect(result.terminal.output).not.toMatch(/dsh [◍✻●⚙]/u)
+    expect(result.terminal.output).not.toMatch(/dsh [◍✻●⚙⊙]/u)
     await dispose(result)
   })
 
@@ -3558,6 +3736,96 @@ describe('pi-tui chat lifecycle and transcript', () => {
     await dispose(reasoningFailed)
   })
 
+  it('defers a NO_ADAPTER context resolution until the provider registers instead of surfacing an error', async () => {
+    // Loader activation order is service-driven: the TUI can mount before a
+    // configured adapter plugin activates, so the initial resolveModelInfo
+    // fails with NO_ADAPTER. That transient state must not print an error;
+    // the resolution retries on llm/adapters-updated.
+    const adapters = new Set<string>()
+    const result = await setup({
+      agentOptions: { provider: 'openai-codex', model: 'gpt-x' },
+      contextTokens: 50_000,
+      catalog: {
+        providers: [],
+        models: [],
+        resolveModelInfo: () => adapters.has('openai-codex')
+          ? Promise.resolve({ context: { contextWindow: 100_000 } })
+          : Promise.reject(new LlmError('no adapter registered for provider "openai-codex"', 'NO_ADAPTER')),
+      },
+    })
+    await tick()
+    expect(result.terminal.output).not.toContain('Could not resolve model context')
+
+    // A topology commit that still lacks the route parks the wait again.
+    result.ctx.emit('llm/adapters-updated')
+    await tick()
+    expect(result.terminal.output).not.toContain('% context')
+    expect(result.terminal.output).not.toContain('Could not resolve model context')
+
+    adapters.add('openai-codex')
+    result.ctx.emit('llm/adapters-updated')
+    await vi.waitFor(() => {
+      expect(result.terminal.output).toContain('% context')
+    })
+    expect(result.terminal.output).not.toContain('Could not resolve model context')
+
+    // A commit after satisfaction is a no-op for the resolved value.
+    result.ctx.emit('llm/adapters-updated')
+    await tick()
+    expect(result.terminal.output).not.toContain('Could not resolve model context')
+    await dispose(result)
+  })
+
+  it('stops listening for adapter registrations after channel detach', async () => {
+    // The listener disposer rides detachListeners() through the controller's
+    // detach(): after dispose, a registry commit must not re-enter resolution
+    // at all (the isDisposed() guard is a fallback, not the removal).
+    const calls: string[] = []
+    const result = await setup({
+      agentOptions: { provider: 'openai-codex', model: 'gpt-x' },
+      catalog: {
+        providers: [],
+        models: [],
+        resolveModelInfo: (provider) => {
+          calls.push(provider)
+          return Promise.reject(new LlmError('no adapter registered for provider "openai-codex"', 'NO_ADAPTER'))
+        },
+      },
+    })
+    await tick()
+    const callsAtDetach = calls.length
+    await result.controller.dispose()
+    result.ctx.emit('llm/adapters-updated')
+    await tick()
+    expect(calls.length).toBe(callsAtDetach)
+    await result.ctx.fiber.dispose()
+  })
+
+  it('drops a deferred NO_ADAPTER resolution when the target moved before the adapter registered', async () => {
+    const result = await setup({
+      agentOptions: { provider: 'openai-codex', model: 'gpt-x' },
+      catalog: {
+        providers: [{ id: 'alpha', name: 'Alpha' }],
+        models: [{ provider: 'alpha', id: 'a1', name: 'Alpha One' }],
+        resolveModelInfo: provider => provider === 'alpha'
+          ? Promise.resolve({ context: { contextWindow: 64_000 } })
+          : Promise.reject(new LlmError('no adapter registered for provider "openai-codex"', 'NO_ADAPTER')),
+      },
+    })
+    await tick()
+    // Switching the model re-resolves and clears the deferred wait, so the
+    // stale route's adapter arriving afterwards must be a no-op.
+    result.terminal.send('/model alpha/a1')
+    result.terminal.send('\r')
+    await vi.waitFor(() => {
+      expect(result.terminal.output).toContain('Model selected: alpha/a1')
+    })
+    result.ctx.emit('llm/adapters-updated')
+    await tick()
+    expect(result.terminal.output).not.toContain('Could not resolve model context')
+    await dispose(result)
+  })
+
   it('does not render a model catalog that resolves after TUI disposal', async () => {
     const deferred = Promise.withResolvers<never[]>()
     const result = await setup({
@@ -3871,8 +4139,9 @@ describe('skill slash command', () => {
       source: 'runtime',
       content: 'Dynamic body.',
     })
-    await tick()
-    expect(result.terminal.output).toContain('DYNAMIC_COMPLETION_MARKER')
+    await vi.waitFor(() => {
+      expect(result.terminal.output).toContain('DYNAMIC_COMPLETION_MARKER')
+    })
 
     result.terminal.send('\x03')
     disposeSkill()
@@ -4256,6 +4525,25 @@ describe('tool cards and surface replay', () => {
         diffs: [{ path: 'src/only.ts', oldText: 'old', newText: 'new' }],
       }),
     },
+    scatteredDiff: {
+      name: 'scatteredDiff', description: '', parameters: {}, output: UNUSED_TOOL_OUTPUT, execute: async () => [],
+      // Three hunks in ONE file. The first two sides end in the terminator
+      // newline real write/edit content carries; the third removes a line and
+      // leaves an EMPTY added side (a full deletion), so `diffContentLines('')`
+      // returns zero lines. The footer must read `+2 -1 · 1 file`: each trailing
+      // newline terminates its line rather than adding a phantom empty one, the
+      // empty side contributes no `+ ` row, and the three hunks count as the
+      // single distinct path they touch.
+      presentCall: () => ({
+        card: 'diff',
+        title: 'Edit src/scatter.ts',
+        diffs: [
+          { path: 'src/scatter.ts', oldText: null, newText: 'first\n' },
+          { path: 'src/scatter.ts', oldText: null, newText: 'second\n' },
+          { path: 'src/scatter.ts', oldText: 'gone\n', newText: '' },
+        ],
+      }),
+    },
     generic: {
       name: 'generic', description: '', parameters: {}, output: UNUSED_TOOL_OUTPUT, execute: async () => [],
       presentCall: () => ({ card: 'generic', title: 'Inspect value', rawInput: { alpha: 1 } }),
@@ -4306,6 +4594,20 @@ describe('tool cards and surface replay', () => {
       presentCall: () => ({ card: 'generic', title: 'Becomes terminal' }),
       presentResult: () => ({ card: 'terminal', output: 'converted terminal' }),
     },
+    // A search card carries no result text of its own; the TUI has no dedicated
+    // search arm and falls back to the raw result content, rendered as the same
+    // dim generic body a pre-search-card grep/glob result showed.
+    search: {
+      name: 'search', description: '', parameters: {}, output: UNUSED_TOOL_OUTPUT, execute: async () => [],
+      presentCall: () => ({ card: 'generic', title: 'Grep todo', kind: 'search' }),
+      presentResult: () => ({
+        card: 'search',
+        shape: 'matches',
+        files: [{ path: 'a.ts', matches: [{ lineNumber: 1, line: 'todo one' }] }],
+        truncated: false,
+        total: 1,
+      }),
+    },
     symbolic: {
       name: 'symbolic', description: '', parameters: {}, output: UNUSED_TOOL_OUTPUT, execute: async () => [],
       presentCall: () => ({ card: 'generic', title: 'Symbol input', rawInput: Symbol('input') }),
@@ -4343,6 +4645,7 @@ describe('tool cards and surface replay', () => {
       ['c12', 'symbolic', '{}'],
       ['c13', 'knownXml', '{}'],
       ['c16', 'webCard', '{}'],
+      ['c17', 'search', '{"pattern":"todo"}'],
     ] as const
     appendAssistant(result.session, [
       { type: 'text', text: 'Calling tools' },
@@ -4444,6 +4747,14 @@ describe('tool cards and surface replay', () => {
         isError: false,
       }),
     }, { surfaceOp: 'append' })
+    result.session.append('tool/result', {
+      turn: 1, step: 1,
+      message: createToolResultMessage({
+        callId: 'c17' as never,
+        content: [{ type: 'text', text: 'Found 1 match\n\na.ts\nLine 1: todo one' }],
+        isError: false,
+      }),
+    }, { surfaceOp: 'append' })
     result.session.append('tool/result', {
       turn: 1,
       step: 1,
@@ -4475,6 +4786,11 @@ describe('tool cards and surface replay', () => {
     expect(output).toContain('$ blank desc command')
     // A card whose title only repeats the name renders header-only (empty body).
     expect(output).toContain('Tool / emptyBody')
+    // A search result view carries no `content` of its own, so the card renders
+    // the raw model-facing result text through the same dim generic body — the
+    // TUI has no dedicated search arm.
+    expect(output).toContain('Tool / search')
+    expect(output).toContain('Line 1: todo one')
     // A diff card drops its title (the paths + change footer carry the meaning).
     // The first file's path is head-visible; the second file and the change
     // footer sit past this card's 4-line budget and appear only when expanded.
@@ -4582,6 +4898,35 @@ describe('tool cards and surface replay', () => {
     await dispose(result)
   })
 
+  it('counts a same-file diff once and terminates its trailing newline', async () => {
+    // A budget past the card's row count so every hunk row stays visible (the
+    // collapse arithmetic is covered elsewhere); this test is about the
+    // terminator rule and the distinct-path footer count.
+    const result = await setup({ tools, config: { maxToolOutputLines: 20 } })
+    appendUser(result.session, 'scatter edits in one file')
+    appendAssistant(result.session, [
+      { type: 'text', text: 'Editing' },
+      { type: 'tool-call', id: 'scatter' as never, name: 'scatteredDiff', arguments: '{}' },
+    ])
+    result.session.append('tool/call', {
+      turn: 1, step: 1, callId: 'scatter' as never, name: 'scatteredDiff', arguments: '{}',
+    })
+    await tick()
+    const output = result.terminal.output
+    // Three hunks, one path: distinct-path count, same as the Web DiffBlock.
+    expect(output).toContain('· 1 file')
+    expect(output).not.toContain('· 3 files')
+    // The `first\n`/`second\n` sides each contribute exactly one added line —
+    // the trailing newline terminates rather than adding a phantom empty `+ `.
+    expect(output).toContain('+ first')
+    expect(output).toContain('+ second')
+    // The third hunk removes `gone` and leaves an empty added side, which
+    // contributes no `+ ` row (diffContentLines('') is zero lines).
+    expect(output).toContain('- gone')
+    expect(output).toContain('+2 -1')
+    await dispose(result)
+  })
+
   it('drops blank rows from a terminal card result that the dim styling wraps', async () => {
     const blankRowTools: Record<string, ToolDefinition> = {
       trailing: {
@@ -4953,6 +5298,7 @@ describe('TUI extension service', () => {
                 host.theme.accent(`${label} plugin overlay`),
                 [
                   host.theme.text('text'),
+                  host.theme.brand('brand'),
                   host.theme.dim('dim'),
                   host.theme.success('success'),
                   host.theme.warning('warning'),
@@ -5119,8 +5465,10 @@ describe('terminal mounting', () => {
     ctx.provide('tools', { get: () => undefined } as never)
     const session = ctx.sessions.create(SessionId('main'))
     ctx.agents.register({
-      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx,
-      send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+      status: 'idle', acceptsNextStep: false, ctx,
+      send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+      followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
     })
     const terminal = new FakeTerminal()
     mountTui(ctx, { theme: { color: false } }, { terminal, exit: vi.fn() })
@@ -5144,8 +5492,10 @@ describe('terminal mounting', () => {
     ctx.provide('tools', { get: () => undefined } as never)
     const session = ctx.sessions.create(SessionId('main'))
     ctx.agents.register({
-      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx,
-      send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+      status: 'idle', acceptsNextStep: false, ctx,
+      send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+      followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
     })
     const terminal = new FakeTerminal()
     // Mirror dsh-tui's own inject (minus loader, the absence under test).
@@ -5179,15 +5529,19 @@ describe('terminal mounting', () => {
 
     const otherSession = ctx.sessions.create(SessionId('other-session'))
     ctx.agents.register({
-      id: otherSession.id, options: {}, session: otherSession, inbox: new Inbox(otherSession, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx,
-      send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+      id: otherSession.id, options: {}, session: otherSession, inbox: new Inbox(otherSession, { inserted: () => {}, discarded: () => {} }),
+      status: 'idle', acceptsNextStep: false, ctx,
+      send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+      followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
     })
     expect(terminal.started).toBe(0)
 
     const session = ctx.sessions.create(SessionId('late-session'))
     const agent = {
-      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx,
-      send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+      status: 'idle', acceptsNextStep: false, ctx,
+      send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+      followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
     } as Agent
     ctx.agents.register(agent)
     await tick()
@@ -5217,8 +5571,10 @@ describe('terminal mounting', () => {
 
     const session = ctx.sessions.create(SessionId('main-session'))
     ctx.agents.register({
-      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'idle', ctx,
-      send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+      status: 'idle', acceptsNextStep: false, ctx,
+      send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+      followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
     })
     await tick()
     expect(terminal.started).toBe(0)
@@ -5261,8 +5617,10 @@ describe('terminal mounting', () => {
     session.append('turn/start', { turn: 1 })
     session.append('step/start', { turn: 1, step: 1 })
     ctx.agents.register({
-      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }), status: 'running', ctx,
-      send: () => {}, followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
+      id: session.id, options: {}, session, inbox: new Inbox(session, { inserted: () => {}, discarded: () => {} }),
+      status: 'running', acceptsNextStep: true, ctx,
+      send: () => {}, updateInbox: () => 'not-found', reserveTurnAdmission: () => undefined,
+      followup: () => {}, steer: () => {}, inject: () => {}, cancel() {}, whenIdle: () => Promise.resolve(),
     })
     const terminal = new FakeTerminal()
     terminal.start = () => { throw new Error('terminal startup failed') }
@@ -5330,6 +5688,10 @@ describe('terminal mounting', () => {
     await dispose(result)
   })
 
+  it('uses the official DeepSeek SVG ink for truecolor brand art', () => {
+    expect(brandText('mark')).toBe('\x1b[38;2;77;107;254mmark\x1b[39m')
+  })
+
   it('detects a light terminal color scheme and switches the scheme-dependent code role', async () => {
     const result = await setup({ config: { theme: { color: true } } })
     // `dim` is scheme-independent (SGR 2 over the default foreground), so the
diff --git a/packages/ui/user-approval/README.i18n.yaml b/packages/ui/user-approval/README.i18n.yaml
index 453c761357..724317c899 100644
--- a/packages/ui/user-approval/README.i18n.yaml
+++ b/packages/ui/user-approval/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/ui/user-approval/README.md
-README.md: 38bcfbfe81c3ff5f16d1835259bd4c35a06dcb64
-README.zh.md: 7f2678d8572b191ec88a326374420dde7deed3dc
+README.md: 7b87a75d1c7c43874c484bc11f8deed45cb523ce
+README.zh.md: c15871073231b6e97f37fc0338f4824025ba86ca
diff --git a/packages/ui/user-approval/README.md b/packages/ui/user-approval/README.md
index 38bcfbfe81..7b87a75d1c 100644
--- a/packages/ui/user-approval/README.md
+++ b/packages/ui/user-approval/README.md
@@ -8,38 +8,37 @@ Each request must belong to an open agent turn. The service appends a paired `ap
 
 Answerers are `approval/request` waterfall listeners. Return an outcome to answer for an owned agent or call `next()` to delegate. Agent-scoped listeners receive only that agent's requests; compose one terminal answerer per deployment because sibling listener order is not a policy priority mechanism. The ACP automation bridge supplies one-shot machine decisions for sessions it owns.
 
-`ApprovalPolicy` is `'ask'` or `'never'`. The effective value is the last `approval/policy` event, falling back to config; `setApprovalPolicy()` is the write path. `'never'` rejects before interactive dispatch and is the only policy stated in the prompt. Switches produce at most one coalesced notice, attributed to the user when the override follows the last `request/header` and to operator/config otherwise.
+`ApprovalPolicy` is `'ask'` or `'never'`. The effective value is the last `approval/policy` event, falling back to config; `setApprovalPolicy()` is the write path. `'never'` rejects before interactive dispatch. Both policies contribute their complete current meaning to the cache-safe runtime-context snapshot.
 
 The tools pipeline routes `ask` decisions through this seam and fails closed when it is absent; the sandboxed bash tool also uses it for escalated retries. The ACP automation bridge answers calls for its own agents through the client's machine policy. Audit events remain log-only, so the model sees only the asking consumer's result. See the [approval-seam Agent Note](../../../.agents/notes/implemented/feature/2026-07-06-approval-seam.md) and [sandbox Agent Note](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md).
 
 ## Model Experience
 
-### System prompt and policy notice
+### Current approval policy context
 
 #### What the model sees
 
-Under `ask`, every agent request carries the ask-policy prompt section below. Under `never`, it carries the never-policy prompt section below. A policy switch injects exactly `The approval policy changed from "<old>" to "<new>" (changed by the user).` or `The approval policy changed from "<old>" to "<new>" (changed by the operator/config).` before the next step.
+The first request and each effective policy change append a full runtime-context snapshot after retained history. Under `ask`, the approval contribution states that configured answerers may be consulted and absence fails closed. Under `never`, it states the deterministic rejection and non-escalation consequence. Unchanged requests retain the earlier snapshot without adding another message.
 
-##### Ask-policy prompt section
+##### Ask-policy contribution
 
 ```markdown
-<!-- dsh-user-approval-policy:ask -->
+Approval policy: ask. Operations that require approval may ask through the configured answerers; without an available answerer, the request fails closed.
 ```
 
-##### Never-policy prompt section
+##### Never-policy contribution
 
 ```markdown
 Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).
-<!-- dsh-user-approval-policy:never -->
 ```
 
 #### Token effect
 
-Small fixed per-request cost, larger under `never`; a change notice is conditional and retained in history.
+One concise context message on the first request and on an effective change; unchanged requests add no duplicate policy tokens.
 
 #### KV Cache effect
 
-Prefix-stable while the approval policy is unchanged. An `ask`/`never` switch changes the system-prompt section and invalidates reuse from its first changed token; the accompanying notice is append-only.
+Append-only after retained history. An `ask`/`never` switch preserves the stable system and conversation prefix instead of rewriting the first wire message.
 
 ### Tool outcome
 
diff --git a/packages/ui/user-approval/README.zh.md b/packages/ui/user-approval/README.zh.md
index 7f2678d857..c158710732 100644
--- a/packages/ui/user-approval/README.zh.md
+++ b/packages/ui/user-approval/README.zh.md
@@ -8,38 +8,37 @@
 
 应答者是 `approval/request` waterfall（瀑布式事件）监听器。要回答其负责的 agent 请求，请返回一个结果；否则调用 `next()` 委托。限定到 agent 的监听器只接收该 agent 的请求；每项部署应当组合一个最终应答者，因为同级监听器的顺序不是策略优先级机制。ACP（Agent Client Protocol）自动化桥接层为其负责的会话提供一次性机器决定。
 
-`ApprovalPolicy` 为 `'ask'` 或 `'never'`。实际值取最后一条 `approval/policy` 事件，并回退到配置；`setApprovalPolicy()` 是写入路径。`'never'` 会在交互式分发之前拒绝请求，也是提示词中唯一声明的策略。切换最多产生一条合并通知：如果覆盖发生在最后一个 `request/header` 之后，则归因于用户；否则归因于操作方／配置。
+`ApprovalPolicy` 为 `'ask'` 或 `'never'`。实际值取最后一条 `approval/policy` 事件，并回退到配置；`setApprovalPolicy()` 是写入路径。`'never'` 会在交互式分发之前拒绝请求。两种策略都会将各自完整的当前含义贡献给缓存安全的运行时上下文快照。
 
 工具流水线通过此 seam 路由 `ask` 决定，并在该 seam 缺失时以拒绝方式关闭；沙箱 bash 工具也会将它用于升权重试。ACP 自动化桥接层根据客户端的机器策略，回答其自有 agent 的调用。审计事件仍只写入日志，因此模型只会看到发起请求的消费方所返回的结果。详见[审批 seam Agent Note（agent 决策记录）](../../../.agents/notes/implemented/feature/2026-07-06-approval-seam.md)和[沙箱 Agent Note](../../../.agents/notes/implemented/feature/2026-07-06-sandbox.md)。
 
 ## 模型体验
 
-### 系统提示词与策略通知
+### 当前审批策略上下文
 
 #### 模型看到的内容
 
-在 `ask` 下，每个 agent 请求都会携带下方的 ask 策略提示词段。在 `never` 下，请求会携带下方的 never 策略提示词段。策略切换会在下一步骤前精确注入 `The approval policy changed from "<old>" to "<new>" (changed by the user).` 或 `The approval policy changed from "<old>" to "<new>" (changed by the operator/config).`。
+首次请求和有效策略每次变化时，都会在保留的历史后追加一份完整运行时上下文快照。在 `ask` 下，批准贡献会说明可咨询已配置的应答者，缺少应答者时以拒绝方式关闭。在 `never` 下，它会说明确定性的拒绝与非升权后果。未变化的请求会保留先前快照，不增加另一条消息。
 
-##### Ask 策略提示词段
+##### Ask 策略贡献
 
 ```markdown
-<!-- dsh-user-approval-policy:ask -->
+Approval policy: ask. Operations that require approval may ask through the configured answerers; without an available answerer, the request fails closed.
 ```
 
-##### Never 策略提示词段
+##### Never 策略贡献
 
 ```markdown
 Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).
-<!-- dsh-user-approval-policy:never -->
 ```
 
 #### Token 影响
 
-每个请求有少量固定成本，`never` 下的成本更高；变更通知按条件出现，并保留在历史中。
+首次请求和策略实际变化时增加一条简洁的上下文消息；未变化的请求不增加重复的策略 token。
 
 #### KV Cache 影响
 
-审批策略不变时，前缀保持稳定。`ask`／`never` 切换会改变系统提示词段，并从首个变化的 token 开始使复用失效；随附通知只会追加。
+在保留的历史之后仅追加。`ask`／`never` 切换会保留稳定的系统与对话前缀，而不会改写第一条 wire 消息。
 
 ### 工具结果
 
diff --git a/packages/ui/user-approval/src/index.ts b/packages/ui/user-approval/src/index.ts
index 6f13118f6c..94805465d5 100644
--- a/packages/ui/user-approval/src/index.ts
+++ b/packages/ui/user-approval/src/index.ts
@@ -59,7 +59,7 @@ declare module '@deepseek-ai/dsh-session' {
     /**
      * The session's approval policy was switched — log-only, durable,
      * replayable, never in the model transcript (the model learns the policy
-     * from the prompt section and the narrator's notices). The LAST such
+     * from the cache-safe runtime-context snapshot). The LAST such
      * event is the session's override ({@link effectiveApprovalPolicy}).
      * `source: 'delegation'` marks an override seeded into a child; an absent
      * source is a runtime switch.
@@ -90,41 +90,17 @@ const OUTCOMES: readonly ApprovalOutcome[] = ['allowed-once', 'rejected', 'cance
  *   (exactly today's behavior).
  * - `'never'` — never prompt anyone: every ask resolves `'rejected'`
  *   deterministically. The strict headless stance (CI, unattended runs) and
- *   the only policy value stated in the system prompt — unlike `'ask'`, its
- *   outcome is knowable without asking, so stating it cannot overclaim.
+ *   the policy whose outcome is knowable without asking.
  */
 export type ApprovalPolicy = 'ask' | 'never'
 
 /** Every {@link ApprovalPolicy}, for option advertisement and runtime validation of untrusted policy strings. */
 export const APPROVAL_POLICIES: readonly ApprovalPolicy[] = ['ask', 'never']
 
-/**
- * The prompt sentence stating a `'never'` policy — visibility for the one
- * deterministic policy (see {@link ApprovalPolicy}). Narrator persistence
- * does NOT parse this prose: deployments can quote it in a persona or another
- * section, so the section also emits a source-owned marker.
- */
+/** Model-facing statement for the deterministic `'never'` policy. */
 const NEVER_SENTENCE = 'Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).'
-
-/** Source-owned prompt markers used to reconstruct the policy in a logged header. */
-const POLICY_MARKERS = {
-  ask: '<!-- dsh-user-approval-policy:ask -->',
-  never: '<!-- dsh-user-approval-policy:never -->',
-} as const satisfies Record<ApprovalPolicy, string>
-
-/**
- * Read the policy fact emitted by this service from a logged system prompt.
- * The section is ordered after deployment persona text, and the last marker
- * wins so a persona quoting an earlier marker cannot shadow the service's own
- * contribution. Ordinary policy prose is deliberately ignored.
- */
-function toldApprovalPolicy(system: string | undefined): ApprovalPolicy | undefined {
-  if (system === undefined) return undefined
-  const ask = system.lastIndexOf(POLICY_MARKERS.ask)
-  const never = system.lastIndexOf(POLICY_MARKERS.never)
-  if (ask < 0 && never < 0) return undefined
-  return never > ask ? 'never' : 'ask'
-}
+/** Model-facing statement for an interactive policy that may still fail closed. */
+const ASK_SENTENCE = 'Approval policy: ask. Operations that require approval may ask through the configured answerers; without an available answerer, the request fails closed.'
 
 /**
  * The session's approval-policy override: the last `approval/policy` event in
@@ -212,7 +188,8 @@ export interface Config {
 /**
  * Approval service that applies session policy before answerers and logs every
  * ask/outcome pair to the requesting session. It exposes deterministic policy
- * changes to the model through prompt-submission notices.
+ * changes to the model through the cache-safe runtime-context snapshot and
+ * prompt-submission notices.
  */
 export class ApprovalService extends Service {
   static Config: z<Config> = z.object({
@@ -224,9 +201,10 @@ export class ApprovalService extends Service {
 
     const effective = (agent: Agent): ApprovalPolicy => this.effectivePolicy(agent.session)
 
-    // State only deterministic policy; a marker records the otherwise silent state.
+    // The complete current value travels after retained history, so switching
+    // policy does not rewrite the stable system-prompt cache prefix.
     ctx.inject(['systemPrompt'], (scope: Context) => {
-      scope.systemPrompt.section({
+      scope.systemPrompt.context({
         name: 'approval:policy',
         order: 115,
         text: (context) => {
@@ -234,7 +212,7 @@ export class ApprovalService extends Service {
           // A bare assemble() (tests, diagnostics) has no session to state.
           if (agent === undefined) return ''
           const policy = effective(agent)
-          return policy === 'never' ? `${NEVER_SENTENCE}\n${POLICY_MARKERS.never}` : POLICY_MARKERS.ask
+          return policy === 'never' ? NEVER_SENTENCE : ASK_SENTENCE
         },
       })
     })
diff --git a/packages/ui/user-approval/tests/approval.spec.ts b/packages/ui/user-approval/tests/approval.spec.ts
index 850aa009dd..92e15ba2ab 100644
--- a/packages/ui/user-approval/tests/approval.spec.ts
+++ b/packages/ui/user-approval/tests/approval.spec.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it, vi } from 'vitest'
 import { Context } from 'cordis'
-import { agentEvents, type Agent } from '@deepseek-ai/dsh-agent'
+import type { Agent } from '@deepseek-ai/dsh-agent'
 import { CallId } from '@deepseek-ai/dsh-llm'
 import { carrierKeyOf, createScope } from '@deepseek-ai/dsh-scope'
 import type { Scope } from '@deepseek-ai/dsh-scope'
@@ -351,6 +351,7 @@ describe('ApprovalService.request', () => {
 
 describe('approval policy (the approval/policy fold)', () => {
   const NEVER_SENTENCE = 'Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).'
+  const ASK_SENTENCE = 'Approval policy: ask. Operations that require approval may ask through the configured answerers; without an available answerer, the request fails closed.'
   const ASK_MARKER = '<!-- dsh-user-approval-policy:ask -->'
   const NEVER_MARKER = '<!-- dsh-user-approval-policy:never -->'
 
@@ -486,23 +487,24 @@ describe('approval policy (the approval/policy fold)', () => {
     await expect(ctx.approval.request({ agent, toolName: 'bash' })).resolves.toBe('rejected')
   })
 
-  it('states never (and only never) in prose while recording either policy with a source-owned marker', async () => {
+  it('contributes the complete current ask or never policy as cache-safe context', async () => {
     const ctx = new Context()
     await ctx.plugin(SystemPrompt)
     await ctx.plugin(ApprovalService)
     const askAgent = sessionAgent('sess-sect-ask').agent
     const { agent: neverAgent, session } = sessionAgent('sess-sect-never')
     setApprovalPolicy(session, 'never')
-    const sectionFor = async (context: object) =>
-      (await ctx.systemPrompt.assemble(context)).sections.find(s => s.name === 'approval:policy')?.text
-    expect(await sectionFor({ agent: askAgent })).toBe(ASK_MARKER)
-    expect(await sectionFor({ agent: neverAgent })).toBe(`${NEVER_SENTENCE}\n${NEVER_MARKER}`)
+    const contextFor = async (context: object) =>
+      (await ctx.systemPrompt.assemble(context)).contexts.find(entry => entry.name === 'approval:policy')?.text
+    expect(await contextFor({ agent: askAgent })).toBe(ASK_SENTENCE)
+    expect(await contextFor({ agent: neverAgent })).toBe(NEVER_SENTENCE)
     // A bare assemble (no agent) has no session to state.
-    expect(await sectionFor({})).toBe('')
+    expect(await contextFor({})).toBe('')
   })
 
-  it('narrates nothing cold, once per coalesced switch (user wording), and idempotently', async () => {
+  it('reflects the latest durable switch and stays byte-stable while unchanged', async () => {
     const ctx = new Context()
+    await ctx.plugin(SystemPrompt)
     await ctx.plugin(ApprovalService)
     const { agent, session } = sessionAgent('sess-narr-1')
     await submitPrompt(ctx, agent)
@@ -520,6 +522,22 @@ describe('approval policy (the approval/policy fold)', () => {
     expect(narrations(session)).toHaveLength(1)
   })
 
+  it('reflects the latest durable switch in cache-safe context and stays byte-stable while unchanged', async () => {
+    const ctx = new Context()
+    await ctx.plugin(SystemPrompt)
+    await ctx.plugin(ApprovalService)
+    const { agent, session } = sessionAgent('sess-context-switch')
+    const contextFor = async () =>
+      (await ctx.systemPrompt.assemble({ agent })).contexts.find(entry => entry.name === 'approval:policy')?.text
+    expect(await contextFor()).toBe(ASK_SENTENCE)
+    expect(await contextFor()).toBe(ASK_SENTENCE)
+    setApprovalPolicy(session, 'never')
+    setApprovalPolicy(session, 'ask')
+    setApprovalPolicy(session, 'never')
+    expect(await contextFor()).toBe(NEVER_SENTENCE)
+    expect(await contextFor()).toBe(NEVER_SENTENCE)
+  })
+
   it('preserves a rejected pre-step without adding policy narration', async () => {
     const ctx = new Context()
     await ctx.plugin(ApprovalService)
@@ -637,9 +655,9 @@ describe('approval policy (the approval/policy fold)', () => {
     const fiber = await ctx.plugin(ApprovalService)
     const live = sessionAgent('sess-hmr-service-live')
     const afterDispose = sessionAgent('sess-hmr-service-disposed')
-    const sectionFor = async () =>
-      (await ctx.systemPrompt.assemble({ agent: live.agent })).sections.find(section => section.name === 'approval:policy')
-    expect(await sectionFor()).toBeDefined()
+    const contextFor = async () =>
+      (await ctx.systemPrompt.assemble({ agent: live.agent })).contexts.find(context => context.name === 'approval:policy')
+    expect(await contextFor()).toBeDefined()
 
     appendHeader(live.session, `persona\n${ASK_MARKER}`)
     setApprovalPolicy(live.session, 'never')
@@ -650,7 +668,7 @@ describe('approval policy (the approval/policy fold)', () => {
     setApprovalPolicy(afterDispose.session, 'never')
     await fiber.dispose()
 
-    expect(await sectionFor()).toBeUndefined()
+    expect(await contextFor()).toBeUndefined()
     await submitPrompt(ctx, afterDispose.agent)
     expect(narrations(afterDispose.session)).toEqual([])
   })
diff --git a/packages/util/atomic-write/README.i18n.yaml b/packages/util/atomic-write/README.i18n.yaml
index ffa4d7ccbb..822a0952ca 100644
--- a/packages/util/atomic-write/README.i18n.yaml
+++ b/packages/util/atomic-write/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/util/atomic-write/README.md
-README.md: be9f896eb24e28aedc2c04858da8b8da9da548dc
-README.zh.md: 19a067dc84f12d334e5c31dda58e7cf78dac51f9
+README.md: 2ff4abb6ac10d8b592ccd2056b4f1f92cc8518b0
+README.zh.md: bd5d3f1f2583ff1b97a80ce2c1c6ca7989e13d15
diff --git a/packages/util/atomic-write/README.md b/packages/util/atomic-write/README.md
index be9f896eb2..2ff4abb6ac 100644
--- a/packages/util/atomic-write/README.md
+++ b/packages/util/atomic-write/README.md
@@ -28,7 +28,7 @@ await withFileLock('/home/u/.dsh/settings.yaml', async () => {
 - **Same-directory sibling** keeps the rename on one filesystem, so the swap stays atomic.
 - Parent directories are created; on any failure the temp is removed and the failure rethrown; readers observe either the old or the new complete content.
 
-`withFileLock` serializes the writers of one file across processes, for the read-render-commit cycles a bare atomic commit cannot make safe on its own. The lock is a `wx`-created `<filename>.lock` sibling, so readers never contend; waiters back off exponentially and fail with a timeout rather than block forever. A lock older than the stale age is treated as a crashed holder and broken — see [Known Limitations and Deferred Work](#known-limitations-and-deferred-work) for what that costs.
+`withFileLock` serializes the writers of one file across processes, for the read-render-commit cycles a bare atomic commit cannot make safe on its own. The lock is a `wx`-created `<filename>.lock` sibling, so readers never contend; waiters back off exponentially and fail with a timeout rather than block forever. A contender never removes the existing lock: age cannot distinguish a crashed owner from a paused live writer.
 
 ## Model Experience
 
@@ -42,4 +42,4 @@ None; nothing here enters a request prefix.
 
 - **Atomic, not durable** — no `fsync` of the file or its directory, so after a crash the rename may be observed unwound. The file-backed stores here re-read and republish on boot, keeping durability the caller's policy.
 - **String content only** — no `Buffer` or stream form until a consumer needs one.
-- **The lock takes over by age, not by ownership** (`TODO(settings-lock-ownership)`) — a holder slower than the stale age has its lock broken by a waiter, and release unlinks the path unconditionally, so a slow writer can remove a successor's lock. Two writers can then overlap and one cycle's result be lost. The stale age is set well above any write this repo performs, so the exposure is a paused or swapped-out process; ownership-safe acquisition and release is the fix.
+- **Orphaned locks require operator recovery** — a process that exits while holding the lock can leave the sibling behind. Later writers time out without deleting it; an operator removes it only after verifying that no writer still owns it. File age alone is not safe evidence of abandonment.
diff --git a/packages/util/atomic-write/README.zh.md b/packages/util/atomic-write/README.zh.md
index 19a067dc84..bd5d3f1f25 100644
--- a/packages/util/atomic-write/README.zh.md
+++ b/packages/util/atomic-write/README.zh.md
@@ -28,7 +28,7 @@ await withFileLock('/home/u/.dsh/settings.yaml', async () => {
 - **同目录兄弟文件**保证 rename 落在同一文件系统上，交换保持原子。
 - 自动创建父目录；任何失败都会移除临时文件并重新抛出该失败；读取方只会观察到旧内容或完整的新内容。
 
-`withFileLock` 跨进程串行化同一文件的写入方，服务于单靠原子提交无法保证安全的读-渲染-提交循环。锁是以 `wx` 创建的同目录 `<filename>.lock`，因此读取方从不参与竞争；等待方按指数退避，超时即失败而非无限阻塞。超过陈旧时限的锁被视为持有者已崩溃并被打破——其代价见[Known Limitations and Deferred Work](#known-limitations-and-deferred-work)。
+`withFileLock` 跨进程串行化同一文件的写入方，服务于单靠原子提交无法保证安全的读-渲染-提交循环。锁是以 `wx` 创建的同目录 `<filename>.lock`，因此读取方从不参与竞争；等待方按指数退避，超时即失败而非无限阻塞。竞争者绝不移除现有锁：锁龄无法区分已经崩溃的所有者与被暂停但仍存活的写入方。
 
 ## Model Experience
 
@@ -42,4 +42,4 @@ await withFileLock('/home/u/.dsh/settings.yaml', async () => {
 
 - **原子但不保证持久**——不对文件或其所在目录做 `fsync`，因此崩溃后可能观察到 rename 被回退。此处的文件型存储在启动时重新读取并重新发布，把持久性留作调用方的策略。
 - **仅支持字符串内容**——在有消费方需要之前，不提供 `Buffer` 或流式形态。
-- **锁按时长而非归属接管**（`TODO(settings-lock-ownership)`）——持有者若慢于陈旧时限，其锁会被等待方打破，而释放又无条件删除该路径，因此慢写入方可能删掉后继者的锁。两个写入方随之重叠，一轮循环的结果可能丢失。陈旧时限远高于本仓库的任何一次写入，因此暴露面是被暂停或被换出的进程；修法是按归属安全地获取与释放。
+- **遗留锁需要操作者恢复**——进程持锁退出时可能留下同级锁文件。后续写入方超时也不会删除它；操作者只有在确认没有写入方仍拥有该锁后才会移除。文件存续时间本身不能安全证明它已无人持有。
diff --git a/packages/util/atomic-write/src/index.ts b/packages/util/atomic-write/src/index.ts
index 07d0276033..70af9fa40b 100644
--- a/packages/util/atomic-write/src/index.ts
+++ b/packages/util/atomic-write/src/index.ts
@@ -11,7 +11,7 @@
  */
 
 import { randomBytes } from 'node:crypto'
-import { mkdir, rename, rm, stat, writeFile } from 'node:fs/promises'
+import { mkdir, rename, rm, writeFile } from 'node:fs/promises'
 import { dirname } from 'node:path'
 
 /**
@@ -68,59 +68,31 @@ function isEEXIST(error: unknown): boolean {
   return (error as NodeJS.ErrnoException | null)?.code === 'EEXIST'
 }
 
-/** Whether a filesystem error means absence. */
-function isENOENT(error: unknown): boolean {
-  return (error as NodeJS.ErrnoException | null)?.code === 'ENOENT'
-}
-
 /**
  * Writer-lock protocol constants. These are robustness invariants of the
- * cross-process write protocol, not deployment tunables: a holder rewrites one
- * small file in milliseconds, so contention resolves well inside the retry
- * deadline, and a lock older than the stale age can only belong to a crashed
- * holder.
+ * cross-process write protocol, not deployment tunables: contention normally
+ * resolves within the retry deadline, while expiry fails the contender without
+ * guessing whether the existing lock still has an owner.
  */
 const LOCK_RETRY_INITIAL_MS = 20
 const LOCK_RETRY_MAX_MS = 200
 const LOCK_TIMEOUT_MS = 2_000
-const LOCK_STALE_MS = 5_000
-
-/** Options for {@link withFileLock}. */
-export interface WithFileLockOptions {
-  /**
-   * Called once each time a stale (crashed-holder) lock is broken, so the
-   * caller can log the takeover in its own voice.
-   */
-  onStaleBreak?: (lockPath: string) => void
-}
-
-/** Age of the lock file, or `undefined` when it vanished after a failed create. */
-async function lockAgeMs(lockPath: string): Promise<number | undefined> {
-  try {
-    return Date.now() - (await stat(lockPath)).mtimeMs
-  } catch (error) {
-    if (!isENOENT(error)) throw error
-    return undefined
-  }
-}
 
 /**
  * Hold the cross-process writer lock for `filename` around one operation. The
  * lock is a `wx`-created sibling (`<filename>.lock`); paired with the
  * rename-based commit of {@link writeFileAtomic}, readers stay lock-free and
- * only writers contend. Contention backs off exponentially; a lock older than
- * the stale age is a crashed holder and is broken (see
- * {@link WithFileLockOptions.onStaleBreak}); a live holder past the deadline
- * fails the operation with a timed-out error. The parent directory must exist.
+ * only writers contend. Contention backs off exponentially and fails with a
+ * timed-out error after the deadline. The contender never removes an existing
+ * lock because file age cannot prove that its owner stopped; orphan recovery
+ * is an operator action. The parent directory must exist.
  * @param filename - the file whose writers this lock serializes.
  * @param operation - the read-render-commit cycle to run while holding the lock.
- * @param options - stale-takeover notification hook.
  * @returns the operation's result; the lock releases on both outcomes.
  */
 export async function withFileLock<T>(
   filename: string,
   operation: () => Promise<T>,
-  options?: WithFileLockOptions,
 ): Promise<T> {
   const lockPath = `${filename}.lock`
   const deadline = Date.now() + LOCK_TIMEOUT_MS
@@ -132,17 +104,6 @@ export async function withFileLock<T>(
     } catch (error) {
       if (!isEEXIST(error)) throw error
     }
-    const ageMs = await lockAgeMs(lockPath)
-    // The holder released between the failed create and the stat: the lock is
-    // free right now, so retry without burning backoff or deadline.
-    if (ageMs === undefined) continue
-    if (ageMs > LOCK_STALE_MS) {
-      // TODO(settings-lock-ownership): Replace age-only takeover with ownership-safe
-      // acquisition and release so a slow writer cannot remove a successor's lock.
-      options?.onStaleBreak?.(lockPath)
-      await rm(lockPath, { force: true })
-      continue
-    }
     if (Date.now() >= deadline) {
       throw new Error(`atomic-write: timed out waiting for the writer lock at ${lockPath}`)
     }
diff --git a/packages/util/paths/README.i18n.yaml b/packages/util/paths/README.i18n.yaml
index a57d18b601..a61962d853 100644
--- a/packages/util/paths/README.i18n.yaml
+++ b/packages/util/paths/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/util/paths/README.md
-README.md: b28e684f3183d739c8e229a9b341801dbf345d86
-README.zh.md: ab4e8123d19fd56749e3e7a0d59e8cd6bea0c3d0
+README.md: 2b3272e019ef2f37386da9156b06a5c151836d8c
+README.zh.md: 75cc22581e0e0c5ab18573eb0785251243009121
diff --git a/packages/util/paths/README.md b/packages/util/paths/README.md
index b28e684f31..2b3272e019 100644
--- a/packages/util/paths/README.md
+++ b/packages/util/paths/README.md
@@ -8,6 +8,8 @@ Shared filesystem path helpers for DeepSeek Harness user data.
 
 `resolveDshHome()` resolves the single-root DeepSeek Harness home. Precedence, highest first: an explicit configured path, `$DSH_HOME`, then `~/.dsh`. The harness keeps all user data under one root.
 
+`dshHomePath(...segments)` joins child segments onto that resolved home with Node's platform path rules. With no segments it returns the home itself.
+
 `dshHomeDisplay()` names an active root symbolically for user-facing paths: `~/.dsh` for the default home, `$DSH_HOME` for any configured home. It never leaks an absolute machine path.
 
 `DSH_HOME_DIR_NAME` owns the default user-data directory name: `.dsh`.
diff --git a/packages/util/paths/README.zh.md b/packages/util/paths/README.zh.md
index ab4e8123d1..75cc22581e 100644
--- a/packages/util/paths/README.zh.md
+++ b/packages/util/paths/README.zh.md
@@ -8,6 +8,8 @@ DeepSeek Harness 用户数据的共享文件系统路径辅助工具。
 
 `resolveDshHome()` 解析 DeepSeek Harness 的单根主目录。优先级从高到低为：显式配置的路径、`$DSH_HOME`、`~/.dsh`。harness 将所有用户数据保存在同一根目录下。
 
+`dshHomePath(...segments)` 使用 Node 的平台路径规则，将子路径段拼接到解析后的主目录下。不传入任何路径段时，返回主目录本身。
+
 `dshHomeDisplay()` 以符号方式表示当前根目录，用于面向用户的路径：默认主目录表示为 `~/.dsh`，任何已配置的主目录表示为 `$DSH_HOME`。它绝不会泄露机器的绝对路径。
 
 `DSH_HOME_DIR_NAME` 定义默认用户数据目录名：`.dsh`。
diff --git a/packages/util/paths/src/index.ts b/packages/util/paths/src/index.ts
index c54a5e0a5f..a8f9245c72 100644
--- a/packages/util/paths/src/index.ts
+++ b/packages/util/paths/src/index.ts
@@ -52,6 +52,15 @@ export function resolveDshHome(configured?: string, env: Record<string, string |
   return resolve(expandHomePath(selected))
 }
 
+/**
+ * Join path segments onto the resolved DeepSeek Harness home.
+ * @param segments - path segments appended to the Harness home; an empty list returns the home itself.
+ * @returns the normalized absolute joined path.
+ */
+export function dshHomePath(...segments: string[]): string {
+  return join(resolveDshHome(), ...segments)
+}
+
 /**
  * Describe a resolved harness home symbolically for user-facing display.
  *
diff --git a/packages/util/paths/tests/paths.spec.ts b/packages/util/paths/tests/paths.spec.ts
index 6e1b94b1e9..08336bbcce 100644
--- a/packages/util/paths/tests/paths.spec.ts
+++ b/packages/util/paths/tests/paths.spec.ts
@@ -1,15 +1,20 @@
 import { homedir } from 'node:os'
 import { join, resolve } from 'node:path'
-import { describe, expect, it } from 'vitest'
+import { afterEach, describe, expect, it, vi } from 'vitest'
 import {
   DEFAULT_DSH_HOME_DISPLAY,
   DSH_HOME_DIR_NAME,
   defaultDshHome,
   dshHomeDisplay,
+  dshHomePath,
   expandHomePath,
   resolveDshHome,
 } from '@deepseek-ai/dsh-paths'
 
+afterEach(() => {
+  vi.unstubAllEnvs()
+})
+
 describe('dsh path helpers', () => {
   it('owns the shared default DSH home directory name', () => {
     expect(DSH_HOME_DIR_NAME).toBe('.dsh')
@@ -38,6 +43,12 @@ describe('dsh path helpers', () => {
     expect(resolveDshHome(undefined, { DSH_HOME: '   ' })).toBe(defaultDshHome())
   })
 
+  it('joins child segments onto the resolved DSH_HOME', () => {
+    vi.stubEnv('DSH_HOME', '~/env-dsh')
+    expect(dshHomePath()).toBe(join(homedir(), 'env-dsh'))
+    expect(dshHomePath('storages', 'cache')).toBe(join(homedir(), 'env-dsh', 'storages', 'cache'))
+  })
+
   it('labels a resolved home by whether it is the default root', () => {
     expect(dshHomeDisplay(resolve(defaultDshHome()))).toBe('~/.dsh')
     expect(dshHomeDisplay('/some/other/root')).toBe('$DSH_HOME')
diff --git a/packages/web/tool-web/README.i18n.yaml b/packages/web/tool-web/README.i18n.yaml
index 4a853a1fa8..590b319209 100644
--- a/packages/web/tool-web/README.i18n.yaml
+++ b/packages/web/tool-web/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/web/tool-web/README.md
-README.md: 7bee0d2d30fbbcf582fd7b60eb5d9130b6bdf888
-README.zh.md: 3d708839c9ffbdd89df08678fd6997fc6c45ee07
+README.md: 12f5c806db66b2109888c1ec642d117f3432d0df
+README.zh.md: cfbf47219f160af706912ca53f85cff535c381ec
diff --git a/packages/web/tool-web/README.md b/packages/web/tool-web/README.md
index 7bee0d2d30..12f5c806db 100644
--- a/packages/web/tool-web/README.md
+++ b/packages/web/tool-web/README.md
@@ -4,7 +4,7 @@ English | [中文](README.zh.md)
 
 The model-facing web tool suite — `web_search` and `web_fetch` — over the [web capability seam](../web/README.md) (`ctx.web`). It owns model-facing concerns only: tool names, JSON schemas, snake_case argument names, prompt sections, the result-count bound, result formatting, HTML→markdown presentation, and the UI presentation projection — `presentCall`, `presentResult` (a `card: 'web'` result card discriminated by `kind: 'search' | 'fetch'`), and the `output.presentationMeta` that carries the structured search sources or the fetch summary the lossy render text cannot (see the [web-result-card Agent Note](../../../.agents/notes/implemented/feature/2026-07-30-web-result-card.md)). All web access goes through `ctx.web`; this package never imports a concrete provider. Neither tool exposes a model-facing timeout — each tool's cooperative tool-call budget is declared here via config (`fetchTimeoutMs`/`searchTimeoutMs`, attached as `ToolDefinition.timeoutMs`) and enforced by [`@deepseek-ai/dsh-timeout-policy`](../../timeout/timeout-policy/README.md) (a `tools/execute` wrapper); each tool just forwards `exec.signal` to the seam.
 
-Each tool is registered independently; a product that wants only one disables the other via config (`{ search: false }` / `{ fetch: false }`).
+Each tool is registered independently; a product that wants only one disables the other via config (`{ search: false }` / `{ fetch: false }`). Search guidance mentions `web_fetch` only when fetch is also config-enabled; a search-only composition instead tells the model to use returned snippets and cite their URLs.
 
 ## Tools
 
@@ -47,14 +47,20 @@ The tool never calls a provider's `available()` and never enumerates providers 
 
 #### What the model sees
 
-Search and fetch contribute the web-search and web-fetch guidance below. A scoped tool restriction does not remove these independently registered sections.
+Search and fetch contribute the web-search and web-fetch guidance below. Search chooses its fetch-enabled or search-only text from config at registration time. A scoped tool restriction does not remove these independently registered sections.
 
-##### Web search guidance
+##### Web search guidance with fetch enabled
 
 ```markdown
 Use the web_search tool to discover current information on the web. It returns an optional answer plus a list of source URLs. Follow up with web_fetch when you need the full content of a specific result, and cite the relevant URLs as markdown links.
 ```
 
+##### Web search-only guidance
+
+```markdown
+Use the web_search tool to discover current information on the web. It returns an optional answer plus a list of source URLs. Use the returned source snippets when available, and cite the relevant URLs as markdown links.
+```
+
 ##### Web fetch guidance
 
 ```markdown
@@ -63,11 +69,11 @@ Use the web_fetch tool to retrieve the content of a specific HTTP(S) URL (for ex
 
 #### Token effect
 
-Fixed guidance cost per request for each config-enabled tool, even when a restriction hides its schema.
+Fixed guidance cost per request for each config-enabled tool, even when a restriction hides its schema. Toggling fetch changes the search guidance as well as registering or removing the fetch section.
 
 #### KV Cache effect
 
-Prefix-stable while enabled tools, scope, and guidance text are unchanged. Config enablement or plugin lifecycle may invalidate reuse from the first changed prompt section; scoped schema restrictions do not remove it.
+Prefix-stable while enabled tools, scope, and guidance text are unchanged. Config enablement—including toggling fetch's search-guidance branch—or plugin lifecycle may invalidate reuse from the first changed prompt section; scoped schema restrictions do not remove it.
 
 ### Tool schemas
 
diff --git a/packages/web/tool-web/README.zh.md b/packages/web/tool-web/README.zh.md
index 3d708839c9..cfbf47219f 100644
--- a/packages/web/tool-web/README.zh.md
+++ b/packages/web/tool-web/README.zh.md
@@ -4,7 +4,7 @@
 
 面向模型的 web 工具套件 `web_search` 与 `web_fetch`，构建于 [web 能力 seam](../web/README.md)（`ctx.web`）之上。它只负责面向模型的事项：工具名称、JSON Schema、snake_case 参数名称、提示词区段、结果数量上限、结果格式、HTML→markdown 呈现，以及 UI 呈现投影——`presentCall`、`presentResult`（以 `kind: 'search' | 'fetch'` 区分的 `card: 'web'` 结果卡片），以及承载有损渲染文本无法携带的结构化搜索来源或抓取摘要的 `output.presentationMeta`（见 [web-result-card Agent Note](../../../.agents/notes/implemented/feature/2026-07-30-web-result-card.md)）。所有 web 访问都通过 `ctx.web`；该包（package）绝不导入具体提供方。两个工具都不公开面向模型的超时：每个工具的协作式工具调用超时预算通过配置在此声明（`fetchTimeoutMs`／`searchTimeoutMs`，附加为 `ToolDefinition.timeoutMs`），由 [`@deepseek-ai/dsh-timeout-policy`](../../timeout/timeout-policy/README.md)（`tools/execute` 包装层）强制执行；每个工具只把 `exec.signal` 转发给 seam。
 
-每个工具独立注册；只需要其中一个工具的产品可以通过配置禁用另一个（`{ search: false }`／`{ fetch: false }`）。
+每个工具独立注册；只需要其中一个工具的产品可以通过配置禁用另一个（`{ search: false }`／`{ fetch: false }`）。仅当抓取也通过配置启用时，搜索指引才会提及 `web_fetch`；仅启用搜索的组合则会要求模型使用返回的 snippet 并引用其 URL。
 
 ## 工具
 
@@ -47,14 +47,20 @@
 
 #### 模型看到的内容
 
-搜索与抓取分别贡献以下 web-search 和 web-fetch 指引。scope 工具限制不会移除这些独立注册的区段。
+搜索与抓取分别贡献以下 web-search 和 web-fetch 指引。搜索会在注册时根据配置选用启用抓取或仅搜索的文本。scope 工具限制不会移除这些独立注册的区段。
 
-##### Web 搜索指引
+##### 启用抓取时的 Web 搜索指引
 
 ```markdown
 Use the web_search tool to discover current information on the web. It returns an optional answer plus a list of source URLs. Follow up with web_fetch when you need the full content of a specific result, and cite the relevant URLs as markdown links.
 ```
 
+##### 仅搜索时的 Web 搜索指引
+
+```markdown
+Use the web_search tool to discover current information on the web. It returns an optional answer plus a list of source URLs. Use the returned source snippets when available, and cite the relevant URLs as markdown links.
+```
+
 ##### Web 抓取指引
 
 ```markdown
@@ -63,11 +69,11 @@ Use the web_fetch tool to retrieve the content of a specific HTTP(S) URL (for ex
 
 #### Token 影响
 
-每个通过配置启用的工具都会为每次请求增加固定的指引 token 开销，即使限制隐藏了其 schema。
+每个通过配置启用的工具都会为每次请求增加固定的指引 token 开销，即使限制隐藏了其 schema。切换抓取状态不仅会注册或移除抓取区段，也会更改搜索指引。
 
 #### KV Cache 影响
 
-只要启用工具、scope 与指引文本不变，前缀就保持稳定。配置启用状态或插件生命周期可能使从第一个变化的提示词区段起的复用失效；scope schema 限制不会移除该区段。
+只要启用工具、scope 与指引文本不变，前缀就保持稳定。配置启用状态（包括因切换抓取状态而改变搜索指引分支）或插件生命周期可能使从第一个变化的提示词区段起的复用失效；scope schema 限制不会移除该区段。
 
 ### 工具 schema
 
diff --git a/packages/web/tool-web/src/index.ts b/packages/web/tool-web/src/index.ts
index 397e2bf7bb..f8f32c568a 100644
--- a/packages/web/tool-web/src/index.ts
+++ b/packages/web/tool-web/src/index.ts
@@ -84,6 +84,8 @@ export function apply(ctx: Context, config: Config): void {
   assertPositiveInteger('fetchTimeoutMs', resolved.fetchTimeoutMs)
   assertPositiveInteger('searchTimeoutMs', resolved.searchTimeoutMs)
   assertPositiveInteger('fetchMaxOutputChars', resolved.fetchMaxOutputChars)
-  if (resolved.search) applyWebSearchTool(ctx, resolved.searchMaxResults, resolved.searchTimeoutMs)
+  if (resolved.search) {
+    applyWebSearchTool(ctx, resolved.searchMaxResults, resolved.searchTimeoutMs, resolved.fetch)
+  }
   if (resolved.fetch) applyWebFetchTool(ctx, resolved.fetchTimeoutMs, resolved.fetchMaxOutputChars)
 }
diff --git a/packages/web/tool-web/src/search.ts b/packages/web/tool-web/src/search.ts
index 20979e4035..35c97dfda2 100644
--- a/packages/web/tool-web/src/search.ts
+++ b/packages/web/tool-web/src/search.ts
@@ -204,12 +204,21 @@ export function presentSearchResult(args: { query: string }, result: ToolResult)
  *   request's `maxResults`.
  * @param timeoutMs - the cooperative tool-call budget (ms) attached as the tool's
  *   `ToolDefinition.timeoutMs` for `@deepseek-ai/dsh-timeout-policy` to enforce.
+ * @param fetchEnabled - whether the same composition exposes `web_fetch`, which
+ *   controls whether search guidance may recommend that follow-up tool.
  */
-export function applyWebSearchTool(ctx: Context, maxResults: number, timeoutMs: number): void {
+export function applyWebSearchTool(
+  ctx: Context,
+  maxResults: number,
+  timeoutMs: number,
+  fetchEnabled: boolean,
+): void {
   ctx.systemPrompt.section({
     name: 'tool:web_search',
     order: 110,
-    text: 'Use the web_search tool to discover current information on the web. It returns an optional answer plus a list of source URLs. Follow up with web_fetch when you need the full content of a specific result, and cite the relevant URLs as markdown links.',
+    text: fetchEnabled
+      ? 'Use the web_search tool to discover current information on the web. It returns an optional answer plus a list of source URLs. Follow up with web_fetch when you need the full content of a specific result, and cite the relevant URLs as markdown links.'
+      : 'Use the web_search tool to discover current information on the web. It returns an optional answer plus a list of source URLs. Use the returned source snippets when available, and cite the relevant URLs as markdown links.',
   })
 
   ctx.tools.register(defineTool({
diff --git a/packages/web/tool-web/tests/tool-web.spec.ts b/packages/web/tool-web/tests/tool-web.spec.ts
index fa07c4ba56..de9bf79284 100644
--- a/packages/web/tool-web/tests/tool-web.spec.ts
+++ b/packages/web/tool-web/tests/tool-web.spec.ts
@@ -483,8 +483,17 @@ describe('tool-web registration', () => {
     const { fiber, ctx } = await mountTools()
     const prompt = await ctx.systemPrompt.assemble()
     const text = prompt.sections.map(s => s.text).join('\n')
-    expect(text).toContain('web_search')
-    expect(text).toContain('web_fetch')
+    expect(text).toContain('Use the web_search tool to discover current information on the web. It returns an optional answer plus a list of source URLs. Follow up with web_fetch when you need the full content of a specific result, and cite the relevant URLs as markdown links.')
+    expect(text).toContain('Use the web_fetch tool to retrieve the content of a specific HTTP(S) URL')
+    await fiber.dispose()
+  })
+
+  it('does not advertise web_fetch in search-only prompt guidance', async () => {
+    const { fiber, ctx } = await mountTools({ config: { search: true, fetch: false } })
+    const prompt = await ctx.systemPrompt.assemble()
+    const text = prompt.sections.map(s => s.text).join('\n')
+    expect(text).toContain('Use the returned source snippets when available')
+    expect(text).not.toContain('web_fetch')
     await fiber.dispose()
   })
 })
diff --git a/packages/web/web-search-deepseek/README.i18n.yaml b/packages/web/web-search-deepseek/README.i18n.yaml
index 83129cba21..edc7b5d18b 100644
--- a/packages/web/web-search-deepseek/README.i18n.yaml
+++ b/packages/web/web-search-deepseek/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/web/web-search-deepseek/README.md
-README.md: 54eb7561b9d81a9e2da565e3870abe094dbe984d
-README.zh.md: 8862b8a9c1ba69d247942bb6e41289214826c682
+README.md: 9046934de209ed0787efa50332e5be16bfdf55c6
+README.zh.md: 94e01daba69cecd2f5c3c6680979ee5fd66d7cdd
diff --git a/packages/web/web-search-deepseek/README.md b/packages/web/web-search-deepseek/README.md
index 54eb7561b9..9046934de2 100644
--- a/packages/web/web-search-deepseek/README.md
+++ b/packages/web/web-search-deepseek/README.md
@@ -4,7 +4,7 @@ English | [中文](README.zh.md)
 
 A [DeepSeek](https://deepseek.com)-backed `WebSearchProvider` for the harness [web capability seam](../web/README.md) (`ctx.web`). It calls DeepSeek's **Anthropic-compatible Messages API** (`POST {baseURL}/messages`) with the native `web_search_20250305` server tool enabled, and maps the structured `web_search_tool_result` blocks DeepSeek returns into the seam's normalized `WebSearchResult`.
 
-This is an **implementation** package: it registers a provider into `ctx.web`, it does not own the key and it does not register a model-facing tool. Like `@deepseek-ai/dsh-llm-deepseek`, it is a function/namespace plugin (`inject: ['web']`). The Anthropic wire shape is a provider-private detail — it does **not** make this provider depend on `ctx.llm`.
+This is an **implementation** package: it registers a provider into `ctx.web`, resolves its credential for each search through the optional `ctx.credentials` seam, records the auxiliary request in the initiating Agent session when one exists, and does not register a model-facing tool. Like `@deepseek-ai/dsh-llm-deepseek`, it is a function/namespace plugin (`inject: ['web']`). The Anthropic wire shape is a provider-private detail — it does **not** make this provider depend on `ctx.llm`.
 
 ## How it differs from a dedicated search endpoint
 
@@ -12,13 +12,14 @@ Exa and Perplexity expose dedicated search endpoints; DeepSeek does not. Instead
 
 **Strict mode**: if the response carries no `web_search_tool_result` block (native search did not trigger), the provider throws `WebError` `WEB_PROVIDER_ERROR` rather than degrading to prose-scraping — honest and debuggable.
 
-It reuses `$DEEPSEEK_API_KEY` (no new secret) but **not** `$DEEPSEEK_BASE_URL`: the search endpoint is the Anthropic-compatible base (`https://api.deepseek.com/anthropic/v1`), distinct from the chat-completions base (`https://api.deepseek.com`) the LLM adapter uses.
+It reuses the `DEEPSEEK_API_KEY` credential reference (no new secret) but **not** `$DEEPSEEK_BASE_URL`: the search endpoint is the Anthropic-compatible base (`https://api.deepseek.com/anthropic/v1`), distinct from the chat-completions base (`https://api.deepseek.com`) the LLM adapter uses. A mounted credentials service is authoritative; without one, the provider falls back to the launching process environment. The reference is resolved for each search, so a key stored or rotated by the Web Models page reaches the next call without a restart.
 
 ## Config
 
 | Key | Default | Meaning |
 |---|---|---|
-| `apiKey` | `$DEEPSEEK_API_KEY` | DeepSeek API key. Empty/absent makes the provider unavailable. Sent as both `x-api-key` and `Authorization: Bearer` (official vs Anthropic-compatible proxy). |
+| `apiKey` | omitted | Literal DeepSeek API key. Prefer `apiKeyEnv` so no secret enters configuration; a non-empty literal wins. |
+| `apiKeyEnv` | `DEEPSEEK_API_KEY` | Credential reference resolved for each search through `ctx.credentials`, or from the process environment when that seam is absent. A missing value fails the call as `WEB_PROVIDER_CREDENTIAL_MISSING`. |
 | `baseURL` | `https://api.deepseek.com/anthropic/v1` | Anthropic-compatible endpoint base; `/messages` is appended. Use a separate env var such as `$DEEPSEEK_SEARCH_BASE_URL` when overriding it; do not reuse `$DEEPSEEK_BASE_URL`, which belongs to the chat-completions LLM adapter. An unparseable value makes the provider unavailable. |
 | `model` | `deepseek-v4-flash` | Anthropic-format model name. |
 | `apiVersion` | `2023-06-01` | `anthropic-version` header value. |
@@ -29,7 +30,7 @@ It reuses `$DEEPSEEK_API_KEY` (no new secret) but **not** `$DEEPSEEK_BASE_URL`:
 - id: web-search-deepseek
   name: '@deepseek-ai/dsh-web-search-deepseek'
   config:
-    apiKey: !!js process.env.DEEPSEEK_API_KEY
+    apiKeyEnv: DEEPSEEK_API_KEY
     baseURL: !!js process.env.DEEPSEEK_SEARCH_BASE_URL
 ```
 
@@ -41,6 +42,10 @@ Results are deduplicated by URL because one request may surface the same page ac
 
 Provider failures become `WEB_PROVIDER_ERROR`; caller cancellation becomes `WEB_ABORTED`. HTTP redirects are rejected before the `Location` target is contacted and surface as `WEB_PROVIDER_ERROR`.
 
+## Request logging
+
+Immediately before dispatch, a search running under an initiating Agent appends the log-only `web/deepseek-search-llm-request` session event. It contains the resolved endpoint, API version, and exact secret-free JSON body sent to DeepSeek; headers and credentials are excluded. Credential failures and cancellations before dispatch create no event, while later HTTP or response failures leave the attempted request durable. Direct programmatic provider calls outside an Agent have no initiating session to log.
+
 ## Model Experience
 
 ### Auxiliary DeepSeek search request
@@ -61,7 +66,7 @@ Independent of the conversation request cache. The auxiliary instruction and nat
 
 #### What the model sees
 
-Through [`dsh-tool-web`](../tool-web/README.md), the conversation model sees deduplicated URLs, titles, dates, and citation snippets from structured search blocks; provider prose is not trusted as an answer. This provider's exact failures are `DeepSeek search aborted`, `DeepSeek search request failed: <error>`, `DeepSeek returned no web_search_tool_result blocks; the request may not have triggered native web search`, and `DeepSeek returned an unprocessable response body: <error>`; HTTP failures preserve the provider message. The consumer owns the error wrapper.
+Through [`dsh-tool-web`](../tool-web/README.md), the conversation model sees deduplicated URLs, titles, dates, and citation snippets from structured search blocks; provider prose is not trusted as an answer. This provider's exact failures include the actionable missing-credential message, `DeepSeek search credential resolution failed: <error>`, `DeepSeek search aborted`, `DeepSeek search request failed: <error>`, `DeepSeek returned no web_search_tool_result blocks; the request may not have triggered native web search`, and `DeepSeek returned an unprocessable response body: <error>`; HTTP failures preserve the provider message. The consumer owns the error wrapper.
 
 #### Token effect
 
@@ -74,6 +79,6 @@ Append-only; newly visible content follows the reusable request prefix and does
 ## Known Limitations and Deferred Work
 
 - **One search costs a full Messages model turn** — latency plus generated tokens, with up to `maxUses` server-side searches; DeepSeek exposes no dedicated retrieval endpoint.
+- **Dynamic credential availability resolves inside the operation** — the synchronous `available()` contract can establish that a resolver exists but cannot query an asynchronous credential store. A selected keyless provider therefore fails the search with `WEB_PROVIDER_CREDENTIAL_MISSING`; the stable `web_search` schema remains registered. Caller cancellation races this preflight locally, but cannot force an arbitrary credential backend itself to stop work.
 - **Over-returned sources still cost tokens** — with no result-count knob on the wire, `maxResults` is enforced only post-hoc by seam truncation.
 - **Uncited results carry no `snippet`** — a source gains one only when a `text` block citation (`cited_text`) matches its URL.
-- **Abort classification is error-shape-based** — only a `DOMException` named `AbortError` maps to `WEB_ABORTED`; an abort carrying a custom reason (e.g. `dsh-timeout`'s `TimeoutReason`) surfaces as `WEB_PROVIDER_ERROR`.
diff --git a/packages/web/web-search-deepseek/README.zh.md b/packages/web/web-search-deepseek/README.zh.md
index 8862b8a9c1..94e01daba6 100644
--- a/packages/web/web-search-deepseek/README.zh.md
+++ b/packages/web/web-search-deepseek/README.zh.md
@@ -4,7 +4,7 @@
 
 由 [DeepSeek](https://deepseek.com) 支持的 `WebSearchProvider`，用于 harness [web 能力 seam](../web/README.md)（`ctx.web`）。它调用 DeepSeek 的 **Anthropic 兼容 Messages API**（`POST {baseURL}/messages`），启用原生 `web_search_20250305` 服务器工具，并把 DeepSeek 返回的结构化 `web_search_tool_result` 块映射为 seam 规范化的 `WebSearchResult`。
 
-这是一个**实现**包（package）：它向 `ctx.web` 注册提供方，不拥有该键，也不注册面向模型的工具。与 `@deepseek-ai/dsh-llm-deepseek` 一样，它是函数／命名空间插件（`inject: ['web']`）。Anthropic 协议格式（wire format）是提供方私有细节，并**不**使该提供方依赖 `ctx.llm`。
+这是一个**实现**包（package）：它向 `ctx.web` 注册提供方，通过可选的 `ctx.credentials` seam 为每次搜索解析凭据，若存在发起请求的 agent（智能体）会话，还会在其中记录该辅助请求，且不注册面向模型的工具。与 `@deepseek-ai/dsh-llm-deepseek` 一样，它是函数／命名空间插件（`inject: ['web']`）。Anthropic 协议格式（wire format）是提供方私有细节，并**不**使该提供方依赖 `ctx.llm`。
 
 ## 与专用搜索端点的区别
 
@@ -12,13 +12,14 @@ Exa 和 Perplexity 提供专用搜索端点，DeepSeek 则没有。该提供方
 
 **严格模式**：如果响应不含 `web_search_tool_result` 块（未触发原生搜索），提供方会抛出 `WebError` `WEB_PROVIDER_ERROR`，而非降级为文本抓取；这种行为诚实且可诊断。
 
-它复用 `$DEEPSEEK_API_KEY`（不增加密钥），但**不会**复用 `$DEEPSEEK_BASE_URL`：搜索端点使用 Anthropic 兼容基址（`https://api.deepseek.com/anthropic/v1`），不同于大语言模型（LLM）适配器使用的 chat-completions 基址（`https://api.deepseek.com`）。
+它复用 `DEEPSEEK_API_KEY` 凭据引用（不增加密钥），但**不会**复用 `$DEEPSEEK_BASE_URL`：搜索端点使用 Anthropic 兼容基址（`https://api.deepseek.com/anthropic/v1`），不同于大语言模型（LLM）适配器使用的 chat-completions 基址（`https://api.deepseek.com`）。已挂载的凭据服务具有权威性；没有该服务时，提供方会回退到启动进程的环境变量。每次搜索都会解析该引用，因此在 Web 的 Models 页中存储或轮换的密钥无需重启，即可用于下一次调用。
 
 ## 配置
 
 | 配置键 | 默认值 | 含义 |
 |---|---|---|
-| `apiKey` | `$DEEPSEEK_API_KEY` | DeepSeek API 密钥。为空或缺失时提供方不可用。同时通过 `x-api-key` 和 `Authorization: Bearer` 发送（分别用于官方接口与 Anthropic 兼容代理）。 |
+| `apiKey` | 未设置 | DeepSeek API 密钥字面值。优先使用 `apiKeyEnv`，避免密钥进入配置；非空字面值优先。 |
+| `apiKeyEnv` | `DEEPSEEK_API_KEY` | 每次搜索都会通过 `ctx.credentials` 解析该凭据引用；没有该 seam 时则从进程环境解析。值缺失时，调用以 `WEB_PROVIDER_CREDENTIAL_MISSING` 失败。 |
 | `baseURL` | `https://api.deepseek.com/anthropic/v1` | Anthropic 兼容端点基址；追加 `/messages`。覆盖时使用 `$DEEPSEEK_SEARCH_BASE_URL` 等独立环境变量；禁止复用属于 chat-completions LLM 适配器的 `$DEEPSEEK_BASE_URL`。无法解析时提供方不可用。 |
 | `model` | `deepseek-v4-flash` | Anthropic 格式模型名称。 |
 | `apiVersion` | `2023-06-01` | `anthropic-version` 标头值。 |
@@ -29,7 +30,7 @@ Exa 和 Perplexity 提供专用搜索端点，DeepSeek 则没有。该提供方
 - id: web-search-deepseek
   name: '@deepseek-ai/dsh-web-search-deepseek'
   config:
-    apiKey: !!js process.env.DEEPSEEK_API_KEY
+    apiKeyEnv: DEEPSEEK_API_KEY
     baseURL: !!js process.env.DEEPSEEK_SEARCH_BASE_URL
 ```
 
@@ -41,6 +42,10 @@ DeepSeek 不返回该提供方可作为 `content` 信任的提供方生成答案
 
 提供方失败变为 `WEB_PROVIDER_ERROR`；调用方取消变为 `WEB_ABORTED`。HTTP 重定向会在接触 `Location` 目标前被拒绝，并以 `WEB_PROVIDER_ERROR` 呈现。
 
+## 请求日志
+
+由 agent 发起的搜索会在发出请求前一刻，向相应会话追加仅用于日志的 `web/deepseek-search-llm-request` 会话事件。其中包含已解析端点、API 版本，以及发送给 DeepSeek 且不含密钥的精确 JSON 请求体；不包含标头和凭据。发出请求前发生凭据处理失败或取消时不会创建事件；发出请求后才发生 HTTP 或响应失败时，本次请求尝试仍保留持久记录。在 agent 之外通过程序直接调用提供方时，没有发起会话可供记录。
+
 ## 模型体验
 
 ### 辅助 DeepSeek 搜索请求
@@ -61,7 +66,7 @@ DeepSeek 不返回该提供方可作为 `content` 信任的提供方生成答案
 
 #### 模型看到的内容
 
-通过 [`dsh-tool-web`](../tool-web/README.md)，会话模型会看到结构化搜索块中去重后的 URL、标题、日期与引用 snippet；提供方文本不会作为答案受到信任。该提供方的具体错误消息为 `DeepSeek search aborted`、`DeepSeek search request failed: <error>`、`DeepSeek returned no web_search_tool_result blocks; the request may not have triggered native web search` 和 `DeepSeek returned an unprocessable response body: <error>`；HTTP 失败保留提供方消息。错误包装属于消费方。
+通过 [`dsh-tool-web`](../tool-web/README.md)，会话模型会看到结构化搜索块中去重后的 URL、标题、日期与引用 snippet；提供方文本不会作为答案受到信任。该提供方的具体错误消息包括带有处理指引的凭据缺失消息、`DeepSeek search credential resolution failed: <error>`、`DeepSeek search aborted`、`DeepSeek search request failed: <error>`、`DeepSeek returned no web_search_tool_result blocks; the request may not have triggered native web search` 和 `DeepSeek returned an unprocessable response body: <error>`；HTTP 失败保留提供方消息。错误包装属于消费方。
 
 #### Token 影响
 
@@ -74,6 +79,6 @@ DeepSeek 不返回该提供方可作为 `content` 信任的提供方生成答案
 ## 已知限制与暂缓事项
 
 - **一次搜索需要完整的 Messages 模型轮次**：会产生延迟与生成 token，并且最多执行 `maxUses` 次服务器侧搜索；DeepSeek 不公开专用检索端点。
+- **动态凭据的可用性在操作内部解析**：同步的 `available()` 契约可以确认解析器存在，但无法查询异步凭据存储。因此，选中的无密钥提供方会使搜索以 `WEB_PROVIDER_CREDENTIAL_MISSING` 失败；稳定的 `web_search` schema 仍保持注册。调用方取消在本地与该预检存在竞态，但无法强制任意凭据后端自行停止工作。
 - **超量返回的源仍消耗 token**：协议没有结果数量旋钮，`maxResults` 只能由 seam 在事后截断。
 - **未引用的结果没有 `snippet`**：只有 `text` 块中的引用（`cited_text`）匹配其 URL 时，源才会获得 snippet。
-- **中止分类基于错误结构**：只有 `DOMException` 且名为 `AbortError` 时才映射为 `WEB_ABORTED`；携带自定义原因的中止（例如 `dsh-timeout` 的 `TimeoutReason`）会呈现为 `WEB_PROVIDER_ERROR`。
diff --git a/packages/web/web-search-deepseek/package.json b/packages/web/web-search-deepseek/package.json
index b38f552957..e1dbf720f6 100644
--- a/packages/web/web-search-deepseek/package.json
+++ b/packages/web/web-search-deepseek/package.json
@@ -27,7 +27,10 @@
   ],
   "license": "BSD-3-Clause",
   "peerDependencies": {
+    "@deepseek-ai/dsh-agent": "^0.0.1",
+    "@deepseek-ai/dsh-credentials": "^0.0.1",
     "@deepseek-ai/dsh-invariants": "^0.0.1",
+    "@deepseek-ai/dsh-session": "^0.0.1",
     "@deepseek-ai/dsh-web": "^0.0.1",
     "cordis": "^4.0.0-rc.7"
   },
@@ -35,7 +38,11 @@
     "schemastery": "^3.18.0"
   },
   "devDependencies": {
+    "@deepseek-ai/dsh-agent": "workspace:^",
+    "@deepseek-ai/dsh-credentials": "workspace:^",
+    "@deepseek-ai/dsh-credentials-local": "workspace:^",
     "@deepseek-ai/dsh-invariants": "workspace:^",
+    "@deepseek-ai/dsh-session": "workspace:^",
     "@deepseek-ai/dsh-web": "workspace:^",
     "cordis": "^4.0.0-rc.7"
   }
diff --git a/packages/web/web-search-deepseek/src/index.ts b/packages/web/web-search-deepseek/src/index.ts
index a24bb3f95f..8569f0e944 100644
--- a/packages/web/web-search-deepseek/src/index.ts
+++ b/packages/web/web-search-deepseek/src/index.ts
@@ -7,6 +7,9 @@
 
 import type { Context } from 'cordis'
 import z from 'schemastery'
+import type {} from '@deepseek-ai/dsh-agent'
+import { credentialRef } from '@deepseek-ai/dsh-credentials'
+import type {} from '@deepseek-ai/dsh-session'
 import type {} from '@deepseek-ai/dsh-web'
 import {
   DeepSeekSearchProvider,
@@ -26,7 +29,7 @@ export {
   DEEPSEEK_DEFAULT_MODEL,
   DEEPSEEK_PROVIDER_ID,
 } from './provider.ts'
-export type { DeepSeekSearchProviderOptions } from './provider.ts'
+export type { DeepSeekSearchLlmRequest, DeepSeekSearchProviderOptions } from './provider.ts'
 
 /** Cordis plugin name used by loader diagnostics. */
 export const name = 'web-search-deepseek'
@@ -34,10 +37,14 @@ export const name = 'web-search-deepseek'
 /** The web seam this provider registers into. */
 export const inject = ['web']
 
+const DEFAULT_API_KEY_ENV = 'DEEPSEEK_API_KEY'
+
 /** Plugin config (all optional — `apply` fills env-var and constant defaults). */
 export interface Config {
-  /** DeepSeek API key. Falls back to `$DEEPSEEK_API_KEY`. Empty → unavailable. */
+  /** Literal DeepSeek API key; prefer {@link apiKeyEnv} so no secret enters configuration files. */
   apiKey?: string
+  /** Credential reference resolved for each search; defaults to `DEEPSEEK_API_KEY`. */
+  apiKeyEnv?: string
   /** Anthropic-compatible endpoint base; `/messages` is appended. */
   baseURL?: string
   /** Anthropic-format model name. Defaults to `deepseek-v4-flash`. */
@@ -51,7 +58,8 @@ export interface Config {
 }
 
 export const Config: z<Config> = z.object({
-  apiKey: z.string(),
+  apiKey: z.string().role('secret'),
+  apiKeyEnv: z.string().role('credential-ref').default(DEFAULT_API_KEY_ENV),
   baseURL: z.string(),
   model: z.string(),
   apiVersion: z.string(),
@@ -63,12 +71,29 @@ export const Config: z<Config> = z.object({
 export function apply(ctx: Context, config: Config): void {
   const maxTokens = config.maxTokens ?? DEEPSEEK_DEFAULT_MAX_TOKENS
   const maxUses = config.maxUses ?? DEEPSEEK_DEFAULT_MAX_USES
+  const apiKeyEnv = credentialRef(config.apiKeyEnv ?? DEFAULT_API_KEY_ENV)
+  const literalApiKey = config.apiKey !== undefined && config.apiKey.length > 0
+    ? config.apiKey
+    : undefined
   ctx.web.registerSearchProvider(new DeepSeekSearchProvider({
-    apiKey: config.apiKey ?? process.env.DEEPSEEK_API_KEY ?? '',
+    ...literalApiKey === undefined ? {} : { apiKey: literalApiKey },
+    resolveApiKey: async () => {
+      const credentials = ctx.get('credentials')
+      if (credentials !== undefined) return (await credentials.resolve(apiKeyEnv))?.value
+      const ambient = process.env[apiKeyEnv]
+      return ambient !== undefined && ambient.length > 0 ? ambient : undefined
+    },
+    apiKeyEnv,
     baseURL: config.baseURL ?? DEEPSEEK_DEFAULT_BASE_URL,
     model: config.model ?? DEEPSEEK_DEFAULT_MODEL,
     apiVersion: config.apiVersion ?? DEEPSEEK_DEFAULT_API_VERSION,
     maxTokens,
     maxUses,
+    recordRequest: (request) => {
+      ctx.get('agents')?.currentInitiator()?.session.append(
+        'web/deepseek-search-llm-request',
+        request,
+      )
+    },
   }))
 }
diff --git a/packages/web/web-search-deepseek/src/invariant.ts b/packages/web/web-search-deepseek/src/invariant.ts
index 8b79315f7d..d1f707f2bc 100644
--- a/packages/web/web-search-deepseek/src/invariant.ts
+++ b/packages/web/web-search-deepseek/src/invariant.ts
@@ -15,8 +15,9 @@ export const name = 'web-search-deepseek-invariant'
 export const inject = ['invariants']
 
 /**
- * No runtime invariant: this package exposes no independent event sequence or mutable data relation
- * beyond contracts enforced at its owning seam.
+ * No runtime invariant: the package emits a pre-dispatch log event but owns no
+ * later authoritative dispatch event to relate it to. Exact envelope equality
+ * is pinned at the provider boundary instead.
  */
 const install: InvariantInstaller = () => {}
 
diff --git a/packages/web/web-search-deepseek/src/provider.ts b/packages/web/web-search-deepseek/src/provider.ts
index 871c911deb..aef898ed60 100644
--- a/packages/web/web-search-deepseek/src/provider.ts
+++ b/packages/web/web-search-deepseek/src/provider.ts
@@ -13,6 +13,8 @@ import type {
   WebSearchResult,
   WebSearchSource,
 } from '@deepseek-ai/dsh-web'
+import type { CredentialRef } from '@deepseek-ai/dsh-credentials'
+import type {} from '@deepseek-ai/dsh-session'
 import type {
   AnthropicError,
   AnthropicResponse,
@@ -47,10 +49,49 @@ export const DEEPSEEK_DEFAULT_MAX_USES = 5
 /** Attribution header sent on every request. Bump with the package version. */
 const USER_AGENT = 'deepseek-harness/0.0.1'
 
-/** Resolved provider options (the plugin's `apply` supplies env-var and constant defaults). */
+/**
+ * Exact secret-free DeepSeek Messages request recorded immediately before one
+ * auxiliary search dispatch.
+ */
+export interface DeepSeekSearchLlmRequest {
+  /** Fully resolved Messages endpoint. */
+  readonly endpoint: string
+  /** `anthropic-version` header value. */
+  readonly apiVersion: string
+  /** Exact JSON body sent to the provider. */
+  readonly body: {
+    readonly model: string
+    readonly max_tokens: number
+    readonly messages: readonly [{
+      readonly role: 'user'
+      readonly content: readonly [{
+        readonly type: 'text'
+        readonly text: string
+      }]
+    }]
+    readonly tools: readonly [{
+      readonly type: 'web_search_20250305'
+      readonly name: 'web_search'
+      readonly max_uses: number
+    }]
+  }
+}
+
+declare module '@deepseek-ai/dsh-session' {
+  interface SessionEventMap {
+    /** Secret-free auxiliary DeepSeek search request recorded before dispatch. */
+    'web/deepseek-search-llm-request': DeepSeekSearchLlmRequest
+  }
+}
+
+/** Resolved provider options (the plugin's `apply` supplies credential and constant defaults). */
 export interface DeepSeekSearchProviderOptions {
-  /** DeepSeek API key. Empty/absent makes the provider unavailable. */
-  apiKey: string
+  /** Literal DeepSeek API key; when present it wins over {@link resolveApiKey}. */
+  apiKey?: string
+  /** Resolve the current DeepSeek API key for one search operation. */
+  resolveApiKey?: () => Promise<string | undefined>
+  /** Credential reference named by missing-credential diagnostics. */
+  apiKeyEnv?: CredentialRef
   /** Endpoint base; `/messages` is appended. */
   baseURL: string
   /** Anthropic-format model name. */
@@ -61,6 +102,11 @@ export interface DeepSeekSearchProviderOptions {
   maxTokens: number
   /** Maximum `web_search` server-tool uses per request. */
   maxUses: number
+  /**
+   * Record the exact secret-free request immediately before dispatch. A throw
+   * prevents dispatch so model-visible auxiliary input cannot escape logging.
+   */
+  recordRequest?: (request: DeepSeekSearchLlmRequest) => void
 }
 
 /**
@@ -134,41 +180,51 @@ export class DeepSeekSearchProvider implements WebSearchProvider {
   constructor(private readonly options: DeepSeekSearchProviderOptions) {}
 
   available(): boolean {
-    return this.options.apiKey.length > 0
+    return ((this.options.apiKey?.length ?? 0) > 0 || this.options.resolveApiKey !== undefined)
       && URL.canParse(this.options.baseURL)
       && isPositiveInteger(this.options.maxTokens)
       && isPositiveInteger(this.options.maxUses)
   }
 
   async search(request: WebSearchRequest, signal?: AbortSignal): Promise<WebSearchResult> {
+    const apiKey = await this.apiKey(signal)
+    throwIfSearchAborted(signal)
+    const endpoint = `${this.options.baseURL}/messages`
+    const body: DeepSeekSearchLlmRequest['body'] = {
+      model: this.options.model,
+      max_tokens: this.options.maxTokens,
+      messages: [{
+        role: 'user',
+        content: [{ type: 'text', text: `Perform a web search for the query: ${request.query}` }],
+      }],
+      tools: [{ type: 'web_search_20250305', name: 'web_search', max_uses: this.options.maxUses }],
+    }
+    this.options.recordRequest?.({
+      endpoint,
+      apiVersion: this.options.apiVersion,
+      body,
+    })
+    throwIfSearchAborted(signal)
     let response: Response
     try {
-      response = await fetch(`${this.options.baseURL}/messages`, {
+      response = await fetch(endpoint, {
         method: 'POST',
         redirect: 'error',
         headers: {
           // Official DeepSeek expects `x-api-key`; an Anthropic-compatible proxy
           // may expect `Authorization: Bearer` — send both so either resolves.
-          'x-api-key': this.options.apiKey,
-          'authorization': `Bearer ${this.options.apiKey}`,
+          'x-api-key': apiKey,
+          'authorization': `Bearer ${apiKey}`,
           'anthropic-version': this.options.apiVersion,
           'content-type': 'application/json',
           'accept': 'application/json',
           'user-agent': USER_AGENT,
         },
-        body: JSON.stringify({
-          model: this.options.model,
-          max_tokens: this.options.maxTokens,
-          messages: [{
-            role: 'user',
-            content: [{ type: 'text', text: `Perform a web search for the query: ${request.query}` }],
-          }],
-          tools: [{ type: 'web_search_20250305', name: 'web_search', max_uses: this.options.maxUses }],
-        }),
+        body: JSON.stringify(body),
         ...signal !== undefined ? { signal } : {},
       })
     } catch (error: unknown) {
-      if (isAbortError(error)) throw new WebError('DeepSeek search aborted', 'WEB_ABORTED', { cause: error })
+      if (signal?.aborted === true || isAbortError(error)) throw searchAborted(signal, error)
       throw new WebError(`DeepSeek search request failed: ${String(error)}`, 'WEB_PROVIDER_ERROR', { cause: error })
     }
 
@@ -183,7 +239,7 @@ export class DeepSeekSearchProvider implements WebSearchProvider {
         // An abort fired mid-body must surface as WEB_ABORTED, not be swallowed
         // into a generic HTTP-error message — cancellation is not a provider
         // error (the seam's cancellation contract).
-        if (isAbortError(error)) throw new WebError('DeepSeek search aborted', 'WEB_ABORTED', { cause: error })
+        if (signal?.aborted === true || isAbortError(error)) throw searchAborted(signal, error)
         // Otherwise: the HTTP status is already captured in `message` above; a
         // malformed/non-JSON error body (normal for gateway 5xx/429s) can only
         // cost a richer provider message, never the real error.
@@ -195,11 +251,72 @@ export class DeepSeekSearchProvider implements WebSearchProvider {
       const payload = await response.json() as AnthropicResponse
       return mapAnthropicResponse(payload)
     } catch (error: unknown) {
-      if (isAbortError(error)) throw new WebError('DeepSeek search aborted', 'WEB_ABORTED', { cause: error })
+      if (signal?.aborted === true || isAbortError(error)) throw searchAborted(signal, error)
       if (error instanceof WebError) throw error
       throw new WebError(`DeepSeek returned an unprocessable response body: ${String(error)}`, 'WEB_PROVIDER_ERROR', { cause: error })
     }
   }
+
+  /** Resolve one operation's credential without retaining it on the provider. */
+  private async apiKey(signal?: AbortSignal): Promise<string> {
+    throwIfSearchAborted(signal)
+    if (this.options.apiKey !== undefined && this.options.apiKey.length > 0) return this.options.apiKey
+    let resolved: string | undefined
+    try {
+      resolved = await abortable(this.options.resolveApiKey?.() ?? Promise.resolve(undefined), signal)
+    } catch (error: unknown) {
+      if (signal?.aborted === true || isAbortError(error)) throw searchAborted(signal, error)
+      throw new WebError(
+        `DeepSeek search credential resolution failed: ${String(error)}`,
+        'WEB_PROVIDER_ERROR',
+        { cause: error },
+      )
+    }
+    if (resolved !== undefined && resolved.length > 0) return resolved
+    const ref = this.options.apiKeyEnv ?? 'DEEPSEEK_API_KEY'
+    throw new WebError(
+      `DeepSeek search has no API key for "${ref}"; store it through the credentials service`
+      + ' (the web Models page writes it), export it in the launching environment, or set a literal'
+      + ' "apiKey" in the web-search-deepseek config',
+      'WEB_PROVIDER_CREDENTIAL_MISSING',
+    )
+  }
+}
+
+/**
+ * Race a same-process asynchronous preflight against caller cancellation. The
+ * attached settlement handlers keep observing an uncooperative operation after
+ * abort so a later rejection cannot become unhandled.
+ */
+function abortable<T>(operation: Promise<T>, signal?: AbortSignal): Promise<T> {
+  if (signal === undefined) return operation
+  if (signal.aborted) return Promise.reject(searchAborted(signal))
+  return new Promise<T>((resolve, reject) => {
+    const onAbort = (): void => { reject(searchAborted(signal)) }
+    signal.addEventListener('abort', onAbort, { once: true })
+    void operation.then(
+      (value) => {
+        signal.removeEventListener('abort', onAbort)
+        resolve(value)
+      },
+      (error: unknown) => {
+        signal.removeEventListener('abort', onAbort)
+        reject(new Error(String(error).replace(/^Error: /u, ''), { cause: error }))
+      },
+    )
+  })
+}
+
+/** Throw the provider's stable cancellation error when the caller already aborted. */
+function throwIfSearchAborted(signal?: AbortSignal): void {
+  if (signal?.aborted === true) throw searchAborted(signal)
+}
+
+/** Build the provider's stable cancellation error while retaining the caller's reason. */
+function searchAborted(signal?: AbortSignal, fallback?: unknown): WebError {
+  return new WebError('DeepSeek search aborted', 'WEB_ABORTED', {
+    cause: signal?.aborted === true ? signal.reason : fallback,
+  })
 }
 
 /** True for a fetch/`AbortSignal` abort, surfaced as `WEB_ABORTED`. */
diff --git a/packages/web/web-search-deepseek/tests/deepseek.spec.ts b/packages/web/web-search-deepseek/tests/deepseek.spec.ts
index 5a9972cfd6..7990a96a9b 100644
--- a/packages/web/web-search-deepseek/tests/deepseek.spec.ts
+++ b/packages/web/web-search-deepseek/tests/deepseek.spec.ts
@@ -1,6 +1,11 @@
 import { afterEach, describe, expect, it, vi } from 'vitest'
+import { mkdtemp, rm } from 'node:fs/promises'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
 import { Context } from 'cordis'
 import Loader from '@cordisjs/plugin-loader'
+import { credentialRef } from '@deepseek-ai/dsh-credentials'
+import CredentialsLocal from '@deepseek-ai/dsh-credentials-local'
 import WebService from '@deepseek-ai/dsh-web'
 import {
   DeepSeekSearchProvider,
@@ -156,10 +161,11 @@ describe('DeepSeekSearchProvider availability', () => {
 })
 
 describe('DeepSeekSearchProvider request mapping', () => {
-  it('posts an Anthropic Messages request enabling the web_search server tool', async () => {
+  it('records and posts the same Anthropic Messages request with the web_search server tool', async () => {
     const fetchMock = vi.fn(async () => jsonResponse(searchResponse()))
+    const recordRequest = vi.fn()
     vi.stubGlobal('fetch', fetchMock)
-    await new DeepSeekSearchProvider(options).search({ query: 'hello' })
+    await new DeepSeekSearchProvider({ ...options, recordRequest }).search({ query: 'hello' })
     const [url, init] = fetchMock.mock.calls[0] as unknown as [string, RequestInit]
     expect(url).toBe('https://api.deepseek.test/anthropic/v1/messages')
     expect(init).toMatchObject({ method: 'POST', redirect: 'error' })
@@ -167,12 +173,20 @@ describe('DeepSeekSearchProvider request mapping', () => {
     expect(headers['x-api-key']).toBe('ds-key')
     expect(headers['authorization']).toBe('Bearer ds-key')
     expect(headers['anthropic-version']).toBe('2023-06-01')
-    expect(JSON.parse(init.body as string)).toEqual({
+    const body = {
       model: 'deepseek-chat',
       max_tokens: 4096,
       messages: [{ role: 'user', content: [{ type: 'text', text: 'Perform a web search for the query: hello' }] }],
       tools: [{ type: 'web_search_20250305', name: 'web_search', max_uses: 5 }],
+    }
+    expect(JSON.parse(init.body as string)).toEqual(body)
+    expect(recordRequest).toHaveBeenCalledOnce()
+    expect(recordRequest).toHaveBeenCalledWith({
+      endpoint: url,
+      apiVersion: '2023-06-01',
+      body,
     })
+    expect(recordRequest.mock.invocationCallOrder[0]).toBeLessThan(fetchMock.mock.invocationCallOrder[0] ?? 0)
   })
 
   it('forwards the abort signal', async () => {
@@ -186,6 +200,91 @@ describe('DeepSeekSearchProvider request mapping', () => {
 })
 
 describe('DeepSeekSearchProvider error handling', () => {
+  it('does not start credential resolution or dispatch for a pre-aborted call', async () => {
+    const resolveApiKey = vi.fn(async () => 'late-key')
+    const recordRequest = vi.fn()
+    const fetchMock = vi.fn()
+    vi.stubGlobal('fetch', fetchMock)
+    const controller = new AbortController()
+    controller.abort(new Error('caller stopped'))
+    await expect(new DeepSeekSearchProvider({
+      ...options,
+      apiKey: '',
+      resolveApiKey,
+      recordRequest,
+    }).search({ query: 'q' }, controller.signal))
+      .rejects.toThrow(expect.objectContaining({ code: 'WEB_ABORTED' }))
+    expect(resolveApiKey).not.toHaveBeenCalled()
+    expect(recordRequest).not.toHaveBeenCalled()
+    expect(fetchMock).not.toHaveBeenCalled()
+  })
+
+  it('aborts while an uncooperative credential resolver remains pending', async () => {
+    const resolveApiKey = vi.fn(() => new Promise<string>(() => {}))
+    const recordRequest = vi.fn()
+    const fetchMock = vi.fn()
+    vi.stubGlobal('fetch', fetchMock)
+    const controller = new AbortController()
+    const search = new DeepSeekSearchProvider({
+      ...options,
+      apiKey: '',
+      resolveApiKey,
+      recordRequest,
+    }).search({ query: 'q' }, controller.signal)
+    controller.abort(new Error('deadline'))
+    await expect(search).rejects.toThrow(expect.objectContaining({ code: 'WEB_ABORTED' }))
+    expect(resolveApiKey).toHaveBeenCalledOnce()
+    expect(recordRequest).not.toHaveBeenCalled()
+    expect(fetchMock).not.toHaveBeenCalled()
+  })
+
+  it('resolves credentials under an active cancellation signal', async () => {
+    const fetchMock = vi.fn(async () => jsonResponse(searchResponse()))
+    vi.stubGlobal('fetch', fetchMock)
+    const controller = new AbortController()
+    await expect(new DeepSeekSearchProvider({
+      ...options,
+      apiKey: '',
+      resolveApiKey: async () => 'resolved-key',
+    }).search({ query: 'q' }, controller.signal)).resolves.toMatchObject({ truncated: false })
+    const [, init] = fetchMock.mock.calls[0] as unknown as [string, RequestInit]
+    expect((init.headers as Record<string, string>)['x-api-key']).toBe('resolved-key')
+  })
+
+  it('maps a credential resolver rejection under an active signal to WEB_PROVIDER_ERROR', async () => {
+    const controller = new AbortController()
+    await expect(new DeepSeekSearchProvider({
+      ...options,
+      apiKey: '',
+      resolveApiKey: () => Promise.reject(new Error('credential backend failed')),
+    }).search({ query: 'q' }, controller.signal))
+      .rejects.toThrow(expect.objectContaining({
+        code: 'WEB_PROVIDER_ERROR',
+        message: 'DeepSeek search credential resolution failed: Error: credential backend failed',
+      }))
+  })
+
+  it('uses the default credential reference when no resolver is configured', async () => {
+    await expect(new DeepSeekSearchProvider({ ...options, apiKey: '' }).search({ query: 'q' }))
+      .rejects.toThrow('DeepSeek search has no API key for "DEEPSEEK_API_KEY"')
+  })
+
+  it('observes cancellation triggered synchronously by credential resolution', async () => {
+    const controller = new AbortController()
+    const fetchMock = vi.fn()
+    vi.stubGlobal('fetch', fetchMock)
+    await expect(new DeepSeekSearchProvider({
+      ...options,
+      apiKey: '',
+      resolveApiKey: () => {
+        controller.abort(new Error('resolver cancelled caller'))
+        return Promise.resolve('unused-key')
+      },
+    }).search({ query: 'q' }, controller.signal))
+      .rejects.toThrow(expect.objectContaining({ code: 'WEB_ABORTED' }))
+    expect(fetchMock).not.toHaveBeenCalled()
+  })
+
   it('maps an HTTP error to WEB_PROVIDER_ERROR with the provider message', async () => {
     vi.stubGlobal('fetch', vi.fn(async () => jsonResponse({ error: { message: 'rate limited' } }, { status: 429 })))
     await expect(new DeepSeekSearchProvider(options).search({ query: 'q' }))
@@ -216,6 +315,17 @@ describe('DeepSeekSearchProvider error handling', () => {
       .rejects.toThrow(expect.objectContaining({ code: 'WEB_ABORTED' }))
   })
 
+  it('maps a custom abort reason to WEB_ABORTED', async () => {
+    const controller = new AbortController()
+    vi.stubGlobal('fetch', vi.fn(async (_input: RequestInfo | URL, init?: RequestInit) =>
+      await new Promise<Response>((_resolve, reject) => {
+        init?.signal?.addEventListener('abort', () => { reject(new Error('custom abort reason')) }, { once: true })
+      })))
+    const search = new DeepSeekSearchProvider(options).search({ query: 'q' }, controller.signal)
+    controller.abort(new Error('timeout reason'))
+    await expect(search).rejects.toThrow(expect.objectContaining({ code: 'WEB_ABORTED' }))
+  })
+
   it('maps an unparseable success body to WEB_PROVIDER_ERROR', async () => {
     vi.stubGlobal('fetch', vi.fn(async () => new Response('not json', { status: 200 })))
     await expect(new DeepSeekSearchProvider(options).search({ query: 'q' }))
@@ -323,28 +433,66 @@ describe('web-search-deepseek plugin registration', () => {
       vi.stubGlobal('fetch', fetchMock)
       const ctx = new Context()
       await ctx.plugin(WebService, { searchProvider: DEEPSEEK_PROVIDER_ID })
-      const fiber = await ctx.plugin(deepseekPlugin, {})
+      deepseekPlugin.apply(ctx, {})
       await ctx.web.search({ query: 'q' })
       const [url, init] = fetchMock.mock.calls[0] as unknown as [string, RequestInit]
       expect(url).toBe('https://api.deepseek.com/anthropic/v1/messages')
       expect((init.headers as Record<string, string>)['x-api-key']).toBe('env-key')
       expect(JSON.parse(init.body as string)).toMatchObject({ model: 'deepseek-v4-flash' })
-      await fiber.dispose()
+      await ctx.fiber.dispose()
     } finally {
       if (prev === undefined) delete process.env.DEEPSEEK_API_KEY
       else process.env.DEEPSEEK_API_KEY = prev
     }
   })
 
-  it('is unavailable when neither config nor env supplies a key', async () => {
+  it('resolves the credential for each search so a stored or rotated key needs no restart', async () => {
+    const previous = process.env.DEEPSEEK_API_KEY
+    delete process.env.DEEPSEEK_API_KEY
+    const dir = await mkdtemp(join(tmpdir(), 'dsh-web-search-credentials-'))
+    const fetchMock = vi.fn(async (_input: RequestInfo | URL, _init?: RequestInit) => jsonResponse(searchResponse()))
+    vi.stubGlobal('fetch', fetchMock)
+    const ctx = new Context()
+    try {
+      await ctx.plugin(WebService, { searchProvider: DEEPSEEK_PROVIDER_ID })
+      await ctx.plugin(CredentialsLocal, { path: join(dir, '.env'), watch: false })
+      await ctx.plugin(deepseekPlugin, { baseURL: 'https://api.deepseek.test/anthropic/v1' })
+
+      await expect(ctx.web.search({ query: 'missing' }))
+        .rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_CREDENTIAL_MISSING' }))
+
+      const ref = credentialRef('DEEPSEEK_API_KEY')
+      await ctx.credentials.set(ref, 'stored-key')
+      await ctx.web.search({ query: 'stored' })
+      await ctx.credentials.set(ref, 'rotated-key')
+      await ctx.web.search({ query: 'rotated' })
+
+      const headers = fetchMock.mock.calls.map(([, init]) => (init as RequestInit).headers as Record<string, string>)
+      expect(headers.map(value => value['x-api-key'])).toEqual(['stored-key', 'rotated-key'])
+    } finally {
+      await ctx.fiber.dispose()
+      await rm(dir, { recursive: true, force: true })
+      if (previous === undefined) delete process.env.DEEPSEEK_API_KEY
+      else process.env.DEEPSEEK_API_KEY = previous
+    }
+  })
+
+  it('reports an actionable credential error when neither config nor env supplies a key', async () => {
     const prev = process.env.DEEPSEEK_API_KEY
     delete process.env.DEEPSEEK_API_KEY
     try {
       const ctx = new Context()
       await ctx.plugin(WebService, { searchProvider: DEEPSEEK_PROVIDER_ID })
       await ctx.plugin(deepseekPlugin, {})
-      await expect(ctx.web.search({ query: 'q' }))
-        .rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_CONFIGURED_UNAVAILABLE' }))
+      let caught: unknown
+      try {
+        await ctx.web.search({ query: 'q' })
+      } catch (error: unknown) {
+        caught = error
+      }
+      expect(caught).toMatchObject({ code: 'WEB_PROVIDER_CREDENTIAL_MISSING' })
+      if (!(caught instanceof Error)) throw new Error('search did not throw an Error')
+      expect(caught.message).toMatch(/store it through the credentials service.*Models page/s)
     } finally {
       if (prev !== undefined) process.env.DEEPSEEK_API_KEY = prev
     }
diff --git a/packages/web/web-search-deepseek/tsconfig.json b/packages/web/web-search-deepseek/tsconfig.json
index e9610ea5c9..76c411d089 100644
--- a/packages/web/web-search-deepseek/tsconfig.json
+++ b/packages/web/web-search-deepseek/tsconfig.json
@@ -20,6 +20,15 @@
     {
       "path": "../web"
     },
+    {
+      "path": "../../core/agent"
+    },
+    {
+      "path": "../../core/session"
+    },
+    {
+      "path": "../../credentials/credentials"
+    },
     {
       "path": "../../support/invariants"
     }
diff --git a/packages/workspace/workspace/README.i18n.yaml b/packages/workspace/workspace/README.i18n.yaml
index a24e81d977..9ec33b56ca 100644
--- a/packages/workspace/workspace/README.i18n.yaml
+++ b/packages/workspace/workspace/README.i18n.yaml
@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write packages/workspace/workspace/README.md
-README.md: bee3e4fcb5dded273f30942ee2e42ee93b839e62
-README.zh.md: 9a052f796fb7cc8756999bdc9b2ce905805730ab
+README.md: bfa044de50fc71dca95637487df50dc551d40e1b
+README.zh.md: 1711e4d90c4cc62cf6e18a6868cd362a2c2e9458
diff --git a/packages/workspace/workspace/README.md b/packages/workspace/workspace/README.md
index bee3e4fcb5..bfa044de50 100644
--- a/packages/workspace/workspace/README.md
+++ b/packages/workspace/workspace/README.md
@@ -8,11 +8,11 @@ The entity/storage rationale lives in the [domain Agent Note](../../../.agents/n
 
 ## Shape
 
-- `ctx.workspace.create(path, title?)` — canonicalizes `path` via `fs.realpath`, rejects a nonexistent or non-directory path, creates at most one record per canonical path, and prepends a new record to durable workspace order. Repeated calls for that path return the existing workspace without changing its title; a different path cannot create a duplicate title.
+- `ctx.workspace.create(path, title?)` — canonicalizes `path` via `fs.realpath`, rejects a nonexistent or non-directory path, creates at most one record per canonical path, and prepends a new record to durable workspace order. Repeated calls for that path return the existing workspace without changing its title; different paths may share a display title.
 - `ctx.workspace.get(id)` / `list()` / `resolveByPath(path)` — cache-served lookups. `list()` is synchronous and follows durable registry order; `resolveByPath` is async because it applies the same `realpath` canon and rejects a missing path rather than creating it.
 - `ctx.workspace.delete(id)` — removes only the Workspace registration, its durable order entry, and its session account. Unknown ids return `false`; a removed record returns `true`. The directory, user files, live Sessions, and persisted session logs are never touched, so those Sessions become Ungrouped. A table-write failure restores the prior order and published entity.
 - `Workspace.attachSession(id)` — validates a live or persisted session header cwd against the workspace path and prepends a new id. Unknown sessions, absent/unresolvable/non-directory cwd values, and mismatches reject without writing. `detachSession` removes only the candidate index entry.
-- `ctx.workspace.touchSession(id)` — moves only that validated, accounted session to the front. Ungrouped or filtered sessions are no-ops, and workspace order never changes.
+- `ctx.workspace.archiveSession(id)` / `archivedSessionIds` — the registry-global archive set, layered over workspace accounting: an archived session disappears from grouping surfaces but keeps its session log and its `sessionIds` slot, so a future unarchive restores its position. Archiving accepts any live or persisted session (accounted or Ungrouped), resolves without writing for an already archived id, and rejects an unknown id. State written before the field existed parses with an empty set.
 - `Workspace.sessionIds` — synchronous id-plus-canonical-cwd membership projection in durable candidate order. Missing headers, invalid cwd values, and mismatches are filtered; the next workspace mutation prunes them. A medium indexing one session under two workspaces, claiming one path from two records, or diverging from durable workspace order rejects at startup.
 - `Workspace.status()` — uncached directory check, `'ok' | 'missing-dir'`; a missing directory never mutates the record.
 
diff --git a/packages/workspace/workspace/README.zh.md b/packages/workspace/workspace/README.zh.md
index 9a052f796f..1711e4d90c 100644
--- a/packages/workspace/workspace/README.zh.md
+++ b/packages/workspace/workspace/README.zh.md
@@ -8,11 +8,11 @@ DeepSeek Harness 的 Workspace 实体注册表（`ctx.workspace`）：通过领
 
 ## 结构
 
-- `ctx.workspace.create(path, title?)`：规范化 `path` 时使用 `fs.realpath`，拒绝不存在或非目录的路径，每个规范路径最多创建一条记录，并将新记录前置到持久 workspace 顺序。对同一路径重复调用会返回现有 workspace，且不改变其标题；不同路径不能创建重复标题。
+- `ctx.workspace.create(path, title?)`：规范化 `path` 时使用 `fs.realpath`，拒绝不存在或非目录的路径，每个规范路径最多创建一条记录，并将新记录前置到持久 workspace 顺序。对同一路径重复调用会返回现有 workspace，且不改变其标题；不同路径可以共用显示标题。
 - `ctx.workspace.get(id)`/`list()`/`resolveByPath(path)`：由缓存提供的查找。`list()` 为同步操作，并遵循持久注册表顺序；`resolveByPath` 为异步操作，因为它采用相同的 `realpath` 规范化方式，并会拒绝缺失路径，而不是创建路径。
 - `ctx.workspace.delete(id)`：只移除 Workspace 注册记录、对应的持久顺序条目及会话归属记录。未知 id 返回 `false`，成功移除记录则返回 `true`。目录、用户文件、活跃会话和持久化会话日志绝不受影响，因此相关会话会进入 Ungrouped。表写入失败时会恢复原顺序和此前发布的实体。
 - `Workspace.attachSession(id)`：对照 workspace 路径验证实时或已持久化的会话头 cwd，并将新 id 前置。未知会话、缺失／无法解析／非目录的 cwd 值和不匹配情况都会在不写入的前提下被拒绝。`detachSession` 只移除候选索引条目。
-- `ctx.workspace.touchSession(id)`：仅将已验证、已记账的会话移到最前。未分组或被过滤的会话不会触发任何操作，workspace 顺序绝不改变。
+- `ctx.workspace.archiveSession(id)`/`archivedSessionIds`：覆盖在 workspace 记账之上的注册表级全局归档集合：被归档的会话从各分组视图中消失，但其会话日志和 `sessionIds` 席位保持不变，未来取消归档时可恢复原位置。归档接受任何实时或已持久化的会话（无论已记账还是 Ungrouped），对已归档的 id 直接完成而不写入，并拒绝未知 id。在该字段出现之前写入的状态解析为一个空集合。
 - `Workspace.sessionIds`：按持久候选顺序提供同步 id 加规范 cwd 成员投影。缺失头部、无效 cwd 值和不匹配情况都被过滤；下一次 workspace 变更会剪除它们。如果同一存储介质将一个会话索引到两个 workspace 下、用两条记录声明同一路径，或偏离持久 workspace 顺序，启动会被拒绝。
 - `Workspace.status()`：未缓存的目录检查，返回 `'ok' | 'missing-dir'`；目录缺失绝不会改动记录。
 
diff --git a/packages/workspace/workspace/src/index.ts b/packages/workspace/workspace/src/index.ts
index 5172c63805..71401862f2 100644
--- a/packages/workspace/workspace/src/index.ts
+++ b/packages/workspace/workspace/src/index.ts
@@ -38,14 +38,17 @@ export function WorkspaceId(id: string): WorkspaceId {
   return id as WorkspaceId
 }
 
-/** A create request would give two Workspaces the same display name. */
-export class WorkspaceNameConflictError extends Error {
+/**
+ * An archiveSession request named a session neither live nor in session
+ * persistence — a definite miss only; storage faults propagate as themselves.
+ */
+export class WorkspaceUnknownSessionError extends Error {
   /**
-   * @param workspaceName - Conflicting display name.
+   * @param sessionId - The unknown session id.
    */
-  constructor(readonly workspaceName: string) {
-    super(`workspace name '${workspaceName}' is already in use`)
-    this.name = 'WorkspaceNameConflictError'
+  constructor(readonly sessionId: SessionId) {
+    super(`cannot archive session '${sessionId}': live sessions and session persistence hold no such session`)
+    this.name = 'WorkspaceUnknownSessionError'
   }
 }
 
@@ -131,7 +134,7 @@ export class WorkspaceRegistry extends Service {
    * original error and a non-directory rejects. Repeated calls for the same
    * canonical path return the existing entity without changing its title.
    * A newly created workspace is prepended to the durable registry order.
-   * A different canonical path cannot create a duplicate display title.
+   * Different canonical paths may share a display title.
    * @param path - Existing directory to own, in any path spelling.
    * @param title - Display title used only when a new record is created.
    * @returns the existing or newly durable workspace.
@@ -181,6 +184,49 @@ export class WorkspaceRegistry extends Service {
     return this.enqueueOperation(() => this.deleteKnown(id))
   }
 
+  /**
+   * The registry-global archive set: sessions hidden from every grouping
+   * surface. Archiving never touches workspace accounting — an archived
+   * session keeps its `sessionIds` slot so unarchiving restores its position.
+   * @returns the archived session ids in archive order.
+   */
+  get archivedSessionIds(): readonly SessionId[] {
+    return this.requireState().archivedSessionIds
+  }
+
+  /**
+   * Archive one session durably. The session must exist (live or in session
+   * persistence); its workspace accounting — or lack of one — is irrelevant.
+   * An already archived id resolves without writing.
+   * @param sessionId - The session to archive.
+   * @returns resolution after durability.
+   */
+  archiveSession(sessionId: SessionId): Promise<void> {
+    return this.enqueueOperation(async () => {
+      // The chain slot serializes against every other registry write, so this
+      // check-then-write pair cannot interleave with another archive.
+      if (this.requireState().archivedSessionIds.includes(sessionId)) return
+      if (!(await this.sessionKnown(sessionId))) {
+        throw new WorkspaceUnknownSessionError(sessionId)
+      }
+      const state = this.requireState()
+      await this.setState({ ...state, archivedSessionIds: [...state.archivedSessionIds, sessionId] })
+    })
+  }
+
+  /**
+   * Whether a session is live, header-indexed, or present in a fresh
+   * persistence listing. Only a definite miss returns false — a failing
+   * `sessionPersistence.list()` propagates so storage faults never
+   * masquerade as an unknown session.
+   */
+  private async sessionKnown(id: SessionId): Promise<boolean> {
+    if (this.ctx.get('sessions')?.get(id) !== undefined) return true
+    if (this.headers.has(id)) return true
+    await this.indexHeaders(await this.ctx.sessionPersistence.list())
+    return this.headers.has(id)
+  }
+
   /**
    * Resolve by canonical directory path without creating or mutating a
    * workspace. A missing path rejects during `realpath`; an existing unowned
@@ -202,10 +248,6 @@ export class WorkspaceRegistry extends Service {
     }
 
     const workspaceName = title ?? basename(canonical)
-    if ([...this.entities.values()].some(entity => entity.title === workspaceName)) {
-      throw new WorkspaceNameConflictError(workspaceName)
-    }
-
     const table = this.requireTable()
     const state = this.requireState()
     const id = WorkspaceId(randomUUID())
@@ -245,7 +287,11 @@ export class WorkspaceRegistry extends Service {
     }
 
     try {
-      await this.setState({ initialized: true, workspaceIds: [id, ...state.workspaceIds] })
+      await this.setState({
+        initialized: true,
+        workspaceIds: [id, ...state.workspaceIds],
+        archivedSessionIds: state.archivedSessionIds,
+      })
     } catch (error) {
       this.entities.delete(id)
       try {
@@ -276,6 +322,7 @@ export class WorkspaceRegistry extends Service {
     const nextState = {
       initialized: true,
       workspaceIds: state.workspaceIds.filter(workspaceId => workspaceId !== id),
+      archivedSessionIds: state.archivedSessionIds,
     }
     await this.setState({
       ...nextState,
@@ -329,7 +376,11 @@ export class WorkspaceRegistry extends Service {
       )
     }
     await this.requireTable().delete(pending.workspaceId)
-    await this.setState({ initialized: state.initialized, workspaceIds: state.workspaceIds })
+    await this.setState({
+      initialized: state.initialized,
+      workspaceIds: state.workspaceIds,
+      archivedSessionIds: state.archivedSessionIds,
+    })
   }
 
   private async bootstrap(headers: readonly SessionHeader[]): Promise<void> {
@@ -411,9 +462,9 @@ export class WorkspaceRegistry extends Service {
       .map(([id]) => id)
 
     if (!sameIds(state.workspaceIds, workspaceIds)) {
-      await this.setState({ initialized: false, workspaceIds })
+      await this.setState({ initialized: false, workspaceIds, archivedSessionIds: state.archivedSessionIds })
     }
-    await this.setState({ initialized: true, workspaceIds })
+    await this.setState({ initialized: true, workspaceIds, archivedSessionIds: state.archivedSessionIds })
   }
 
   private validateStoredState(state: WorkspaceDomainState): void {
diff --git a/packages/workspace/workspace/src/spec.ts b/packages/workspace/workspace/src/spec.ts
index 7b1a6a41d0..ba1b89e39d 100644
--- a/packages/workspace/workspace/src/spec.ts
+++ b/packages/workspace/workspace/src/spec.ts
@@ -42,11 +42,16 @@ const workspacePendingMutation = z.discriminatedUnion('operation', [
 /**
  * Durable registry state. `initialized` distinguishes a valid empty registry
  * from one that still needs the header-only history bootstrap;
- * `workspaceIds` is the authoritative display order.
+ * `workspaceIds` is the authoritative display order. `archivedSessionIds` is
+ * the registry-global archive set layered over workspace accounting: an
+ * archived session keeps its `sessionIds` slot (unarchiving must restore the
+ * position), so the set never participates in the one-owner accounting
+ * invariant. Defaulted so records written before the field parse unchanged.
  */
 export const workspaceDomainState = z.object({
   initialized: z.boolean(),
   workspaceIds: z.array(workspaceId),
+  archivedSessionIds: z.array(z.string().transform(SessionId)).default([]),
   pendingMutation: workspacePendingMutation.optional(),
 })
 
@@ -64,7 +69,7 @@ export const workspaceDomainSpec = defineDomain({
   version: 2,
   global: {
     schema: workspaceDomainState,
-    initial: { initialized: false, workspaceIds: [] },
+    initial: { initialized: false, workspaceIds: [], archivedSessionIds: [] },
   },
   tables: { workspaces: domainTable<WorkspaceId, WorkspaceRecord>(workspaceRecord) },
 })
diff --git a/packages/workspace/workspace/tests/workspace.spec.ts b/packages/workspace/workspace/tests/workspace.spec.ts
index 4576155f3b..6a562e15bd 100644
--- a/packages/workspace/workspace/tests/workspace.spec.ts
+++ b/packages/workspace/workspace/tests/workspace.spec.ts
@@ -10,7 +10,7 @@ import type { DomainChanged } from '@deepseek-ai/dsh-storage-domain'
 import SessionStore, { SessionId } from '@deepseek-ai/dsh-session'
 import type { SessionHeader } from '@deepseek-ai/dsh-session'
 import { MemoryMediaPool, MemoryStorageBackend } from '../../../storage/storage-domain/tests/helpers/memory-backend.ts'
-import WorkspaceRegistry, { WorkspaceId, WorkspaceMoveInvalidError, WorkspaceNameConflictError } from '../src/index.ts'
+import WorkspaceRegistry, { WorkspaceId, WorkspaceMoveInvalidError } from '../src/index.ts'
 import type { WorkspaceDomainState, WorkspaceRecord } from '../src/index.ts'
 
 const DOMAIN_VERSION = 2
@@ -135,9 +135,16 @@ function record(path: string, sessionIds: string[], createdAt = '2026-07-24T00:0
   }
 }
 
+/**
+ * Media written before archivedSessionIds existed omit the field; keeping the
+ * fixtures in that shape continuously proves the schema default upgrades them.
+ */
+type StoredDomainState = Omit<WorkspaceDomainState, 'archivedSessionIds'>
+  & Partial<Pick<WorkspaceDomainState, 'archivedSessionIds'>>
+
 function storedPool(
   entries: Array<[string, WorkspaceRecord]>,
-  state: WorkspaceDomainState,
+  state: StoredDomainState,
 ): MemoryMediaPool {
   const pool = new MemoryMediaPool()
   pool.versions.set('workspace', DOMAIN_VERSION)
@@ -185,7 +192,7 @@ describe('WorkspaceRegistry lifecycle and bootstrap', () => {
     await fiber.await()
     expect(ctx.workspace.list()).toEqual([])
     expect(list).toHaveBeenCalledTimes(1)
-    expect(storedState(pool)).toEqual({ initialized: true, workspaceIds: [] })
+    expect(storedState(pool)).toEqual({ initialized: true, workspaceIds: [], archivedSessionIds: [] })
   })
 
   it('bootstraps once from list headers only, in workspace/session createdAt order', async () => {
@@ -218,6 +225,7 @@ describe('WorkspaceRegistry lifecycle and bootstrap', () => {
     expect(storedState(result.pool)).toEqual({
       initialized: true,
       workspaceIds: result.registry.list().map(workspace => workspace.id),
+      archivedSessionIds: [],
     })
   })
 
@@ -246,7 +254,7 @@ describe('WorkspaceRegistry lifecycle and bootstrap', () => {
     const second = await harness({ pool, sessions: [header('late', late, 100)] })
     expect(second.list).not.toHaveBeenCalled()
     expect(second.registry.list()).toEqual([])
-    expect(storedState(pool)).toEqual({ initialized: true, workspaceIds: [] })
+    expect(storedState(pool)).toEqual({ initialized: true, workspaceIds: [], archivedSessionIds: [] })
   })
 
   it('reuses partial records after a bootstrap record write fails', async () => {
@@ -369,17 +377,15 @@ describe('WorkspaceRegistry create and lookup', () => {
     expect(pool.media.get('workspace')!.tables.get('workspaces')!.size).toBe(1)
   })
 
-  it('rejects a duplicate display name on a different canonical path', async () => {
+  it('allows a duplicate display name on a different canonical path', async () => {
     const firstDir = await makeDir('named-first')
     const secondDir = await makeDir('named-second')
     const { registry } = await harness()
-    await registry.create(firstDir, 'Shared')
-    await expect(registry.create(secondDir, 'Shared')).rejects.toEqual(
-      expect.objectContaining<Partial<WorkspaceNameConflictError>>({
-        workspaceName: 'Shared',
-      }),
-    )
-    expect(registry.list()).toHaveLength(1)
+    const first = await registry.create(firstDir, 'Shared')
+    const second = await registry.create(secondDir, 'Shared')
+    expect(first.title).toBe('Shared')
+    expect(second.title).toBe('Shared')
+    expect(registry.list()).toEqual([second, first])
   })
 
   it('rejects nonexistent and non-directory paths without changing order', async () => {
@@ -476,7 +482,7 @@ describe('WorkspaceRegistry create and lookup', () => {
     await expect(result.registry.delete(workspace.id)).resolves.toBe(false)
     expect(result.registry.get(workspace.id)).toBeUndefined()
     expect(result.registry.list()).toEqual([])
-    expect(storedState(result.pool)).toEqual({ initialized: true, workspaceIds: [] })
+    expect(storedState(result.pool)).toEqual({ initialized: true, workspaceIds: [], archivedSessionIds: [] })
     expect(result.pool.media.get('workspace')!.tables.get('workspaces')!.has(workspace.id)).toBe(false)
     await expect(realpath(dir)).resolves.toBe(dir)
     expect(result.list).toHaveBeenCalledTimes(1)
@@ -519,6 +525,7 @@ describe('WorkspaceRegistry create and lookup', () => {
     expect(storedState(pool)).toEqual({
       initialized: true,
       workspaceIds: [],
+      archivedSessionIds: [],
       pendingMutation: { operation: 'delete', workspaceId: workspace.id },
     })
     const reregistered = await first.registry.create(dir)
@@ -526,6 +533,7 @@ describe('WorkspaceRegistry create and lookup', () => {
     expect(storedState(pool)).toEqual({
       initialized: true,
       workspaceIds: [reregistered.id],
+      archivedSessionIds: [],
     })
     await first.fiber.dispose()
 
@@ -762,7 +770,7 @@ describe('header-validated membership projection', () => {
     const createRecovery = await harness({ pool: interruptedCreate })
     expect(createRecovery.registry.list()).toEqual([])
     expect(interruptedCreate.media.get('workspace')!.tables.get('workspaces')!.has(createId)).toBe(false)
-    expect(storedState(interruptedCreate)).toEqual({ initialized: true, workspaceIds: [] })
+    expect(storedState(interruptedCreate)).toEqual({ initialized: true, workspaceIds: [], archivedSessionIds: [] })
 
     const interruptedDelete = storedPool(
       [[deleteId, record(deleteDir, [])]],
@@ -775,7 +783,7 @@ describe('header-validated membership projection', () => {
     const deleteRecovery = await harness({ pool: interruptedDelete })
     expect(deleteRecovery.registry.list()).toEqual([])
     expect(interruptedDelete.media.get('workspace')!.tables.get('workspaces')!.has(deleteId)).toBe(false)
-    expect(storedState(interruptedDelete)).toEqual({ initialized: true, workspaceIds: [] })
+    expect(storedState(interruptedDelete)).toEqual({ initialized: true, workspaceIds: [], archivedSessionIds: [] })
 
     const corruptPending = storedPool(
       [[deleteId, record(deleteDir, [])]],
@@ -816,3 +824,74 @@ describe('workspace mutation and status', () => {
     expect(registry.get(workspace.id)).toBe(workspace)
   })
 })
+
+describe('registry-global session archive', () => {
+  it('archives durably in order, idempotently skips repeats, and leaves accounting untouched', async () => {
+    const dir = await makeDir('archive-home')
+    const result = await harness({ sessions: [header('kept', dir, 100), header('gone', dir, 200)] })
+    const workspace = result.registry.list()[0]!
+    expect(result.registry.archivedSessionIds).toEqual([])
+
+    await result.registry.archiveSession(SessionId('gone'))
+    expect(result.registry.archivedSessionIds).toEqual(['gone'])
+    // Archiving is a display-set write: the workspace account keeps the id.
+    expect(workspace.sessionIds).toContain('gone')
+    expect(storedState(result.pool).archivedSessionIds).toEqual(['gone'])
+    const changesAfterFirst = result.changes.filter(change => change.table === '').length
+
+    await result.registry.archiveSession(SessionId('gone'))
+    expect(result.registry.archivedSessionIds).toEqual(['gone'])
+    // The idempotent repeat neither rewrites the medium nor emits a change.
+    expect(result.changes.filter(change => change.table === '').length).toBe(changesAfterFirst)
+
+    await result.registry.archiveSession(SessionId('kept'))
+    expect(result.registry.archivedSessionIds).toEqual(['gone', 'kept'])
+  })
+
+  it('accepts unaccounted and live sessions but rejects unknown ids without writing', async () => {
+    const dir = await makeDir('archive-strays')
+    const live = await makeDir('archive-live')
+    const result = await harness({
+      sessions: [header('stray', dir, 100)],
+      liveSessions: [header('live-only', live, 200)],
+    })
+    await result.registry.archiveSession(SessionId('stray'))
+    await result.registry.archiveSession(SessionId('live-only'))
+    expect(result.registry.archivedSessionIds).toEqual(['stray', 'live-only'])
+
+    await expect(result.registry.archiveSession(SessionId('ghost')))
+      .rejects.toThrow(/cannot archive session 'ghost'/)
+    expect(storedState(result.pool).archivedSessionIds).toEqual(['stray', 'live-only'])
+  })
+
+  it('propagates a persistence-listing failure instead of reporting an unknown session', async () => {
+    const result = await harness({ sessions: [] })
+    result.list.mockRejectedValueOnce(new Error('persistence backend down'))
+    // The storage fault is the error — never WorkspaceUnknownSessionError,
+    // which the API layer would misreport as session-not-found.
+    await expect(result.registry.archiveSession(SessionId('unlisted')))
+      .rejects.toThrow(/persistence backend down/)
+    expect(storedState(result.pool).archivedSessionIds).toEqual([])
+  })
+
+  it('restores the archive set across restarts and defaults it for pre-field media', async () => {
+    const dir = await makeDir('archive-restart')
+    const pool = new MemoryMediaPool()
+    const first = await harness({ pool, sessions: [header('s1', dir, 100)] })
+    await first.registry.archiveSession(SessionId('s1'))
+    await first.fiber.dispose()
+
+    const second = await harness({ pool, sessions: [header('s1', dir, 100)] })
+    expect(second.registry.archivedSessionIds).toEqual(['s1'])
+    await second.fiber.dispose()
+
+    // A medium written before the field existed parses through the schema default.
+    const legacyId = WorkspaceId('00000000-0000-4000-8000-00000000000a')
+    const legacy = storedPool(
+      [[legacyId, record(dir, [])]],
+      { initialized: true, workspaceIds: [legacyId] },
+    )
+    const upgraded = await harness({ pool: legacy })
+    expect(upgraded.registry.archivedSessionIds).toEqual([])
+  })
+})
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7987936b9c..48f5a923e7 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -39,6 +39,9 @@ importers:
       '@types/node':
         specifier: ^22.20.0
         version: 22.20.0
+      '@types/spdx-expression-parse':
+        specifier: ^4.0.0
+        version: 4.0.0
       '@typescript-eslint/parser':
         specifier: 8.61.0
         version: 8.61.0(eslint@10.5.0(jiti@2.7.0))(typescript@6.0.3)
@@ -99,6 +102,12 @@ importers:
       publint:
         specifier: ^0.3.21
         version: 0.3.21
+      smol-toml:
+        specifier: ^1.7.1
+        version: 1.7.1
+      spdx-expression-parse:
+        specifier: ^5.0.0
+        version: 5.0.0
       tsdown:
         specifier: ^0.22.2
         version: 0.22.2(oxc-resolver@11.20.0)(publint@0.3.21)(tsx@4.22.4)(typescript@6.0.3)
@@ -216,6 +225,9 @@ importers:
       '@deepseek-ai/dsh-code-runtime-worker':
         specifier: workspace:^
         version: link:../../packages/code-runtime/code-runtime-worker
+      '@deepseek-ai/dsh-command-compact':
+        specifier: workspace:^
+        version: link:../../packages/compact/command-compact
       '@deepseek-ai/dsh-command-goal':
         specifier: workspace:^
         version: link:../../packages/goal/command-goal
@@ -279,6 +291,9 @@ importers:
       '@deepseek-ai/dsh-llm-retry':
         specifier: workspace:^
         version: link:../../packages/llm/llm-retry
+      '@deepseek-ai/dsh-mcp-client':
+        specifier: workspace:^
+        version: link:../../packages/mcp/mcp-client
       '@deepseek-ai/dsh-paths':
         specifier: workspace:^
         version: link:../../packages/util/paths
@@ -288,6 +303,15 @@ importers:
       '@deepseek-ai/dsh-plan-mode':
         specifier: workspace:^
         version: link:../../packages/plan/plan-mode
+      '@deepseek-ai/dsh-pty':
+        specifier: workspace:^
+        version: link:../../packages/pty/pty
+      '@deepseek-ai/dsh-pty-local':
+        specifier: workspace:^
+        version: link:../../packages/pty/pty-local
+      '@deepseek-ai/dsh-repeat-tool-guard':
+        specifier: workspace:^
+        version: link:../../packages/guard/repeat-tool-guard
       '@deepseek-ai/dsh-sandbox-local':
         specifier: workspace:^
         version: link:../../packages/sandbox/sandbox-local
@@ -312,6 +336,9 @@ importers:
       '@deepseek-ai/dsh-session-projection-cache':
         specifier: workspace:^
         version: link:../../packages/session-projection/session-projection-cache
+      '@deepseek-ai/dsh-session-query':
+        specifier: workspace:^
+        version: link:../../packages/session-query/session-query
       '@deepseek-ai/dsh-session-query-sqlite':
         specifier: workspace:^
         version: link:../../packages/session-query/session-query-sqlite
@@ -372,6 +399,9 @@ importers:
       '@deepseek-ai/dsh-timeout-policy':
         specifier: workspace:^
         version: link:../../packages/timeout/timeout-policy
+      '@deepseek-ai/dsh-tmux-context':
+        specifier: workspace:^
+        version: link:../../packages/context/tmux-context
       '@deepseek-ai/dsh-token-meter':
         specifier: workspace:^
         version: link:../../packages/llm/token-meter
@@ -381,6 +411,9 @@ importers:
       '@deepseek-ai/dsh-tool-bash':
         specifier: workspace:^
         version: link:../../packages/bash/tool-bash
+      '@deepseek-ai/dsh-tool-bash-persistent':
+        specifier: workspace:^
+        version: link:../../packages/pty/tool-bash-persistent
       '@deepseek-ai/dsh-tool-cordis':
         specifier: workspace:^
         version: link:../../packages/cordis/tool-cordis
@@ -396,9 +429,15 @@ importers:
       '@deepseek-ai/dsh-tool-ralph':
         specifier: workspace:^
         version: link:../../packages/workflow/tool-ralph
+      '@deepseek-ai/dsh-tool-session-query':
+        specifier: workspace:^
+        version: link:../../packages/session-query/tool-session-query
       '@deepseek-ai/dsh-tool-skill':
         specifier: workspace:^
         version: link:../../packages/skill/tool-skill
+      '@deepseek-ai/dsh-tool-str-replace-editor':
+        specifier: workspace:^
+        version: link:../../packages/fs/tool-str-replace-editor
       '@deepseek-ai/dsh-tool-subagent':
         specifier: workspace:^
         version: link:../../packages/subagent/tool-subagent
@@ -408,6 +447,9 @@ importers:
       '@deepseek-ai/dsh-tool-todo':
         specifier: workspace:^
         version: link:../../packages/todo/tool-todo
+      '@deepseek-ai/dsh-tool-web':
+        specifier: workspace:^
+        version: link:../../packages/web/tool-web
       '@deepseek-ai/dsh-tool-workflow':
         specifier: workspace:^
         version: link:../../packages/workflow/tool-workflow
@@ -423,6 +465,12 @@ importers:
       '@deepseek-ai/dsh-user-interaction':
         specifier: workspace:^
         version: link:../../packages/ui/user-interaction
+      '@deepseek-ai/dsh-web':
+        specifier: workspace:^
+        version: link:../../packages/web/web
+      '@deepseek-ai/dsh-web-search-deepseek':
+        specifier: workspace:^
+        version: link:../../packages/web/web-search-deepseek
       '@deepseek-ai/dsh-workflow-workerthread':
         specifier: workspace:^
         version: link:../../packages/workflow/workflow-workerthread
@@ -432,6 +480,9 @@ importers:
       '@deepseek-ai/dsh-workspace-context':
         specifier: workspace:^
         version: link:../../packages/context/workspace-context
+      '@earendil-works/pi-tui':
+        specifier: 0.80.7
+        version: 0.80.7(patch_hash=6c30c5386c0159131e1361023cddf31377f5728962524841964373312c1ed946)
       commander:
         specifier: ^15.0.0
         version: 15.0.0
@@ -1063,12 +1114,18 @@ importers:
       '@deepseek-ai/dsh-commands':
         specifier: workspace:^
         version: link:../../ui/commands
+      '@deepseek-ai/dsh-compact':
+        specifier: workspace:^
+        version: link:../../compact/compact
       '@deepseek-ai/dsh-host-apiproxy':
         specifier: workspace:^
         version: link:../../host/apiproxy
       '@deepseek-ai/dsh-llm':
         specifier: workspace:^
         version: link:../../llm/llm
+      '@deepseek-ai/dsh-llm-retry':
+        specifier: workspace:^
+        version: link:../../llm/llm-retry
       '@deepseek-ai/dsh-session':
         specifier: workspace:^
         version: link:../../core/session
@@ -1091,6 +1148,9 @@ importers:
       '@deepseek-ai/dsh-invariants':
         specifier: workspace:^
         version: link:../../support/invariants
+      '@deepseek-ai/dsh-timeout':
+        specifier: workspace:^
+        version: link:../../util/timeout
       '@types/react':
         specifier: ~18.3.1
         version: 18.3.31
@@ -1132,6 +1192,9 @@ importers:
       '@deepseek-ai/dsh-client-web-react':
         specifier: workspace:^
         version: link:../web-react
+      '@deepseek-ai/dsh-host-apiproxy':
+        specifier: workspace:^
+        version: link:../../host/apiproxy
       '@deepseek-ai/dsh-invariants':
         specifier: workspace:^
         version: link:../../support/invariants
@@ -1206,6 +1269,9 @@ importers:
       '@deepseek-ai/dsh-client-runtime':
         specifier: workspace:^
         version: link:../runtime
+      '@deepseek-ai/dsh-client-test-runtime':
+        specifier: workspace:^
+        version: link:../test-runtime
       '@deepseek-ai/dsh-client-ui-layout':
         specifier: workspace:^
         version: link:../ui-layout
@@ -1233,6 +1299,9 @@ importers:
       '@deepseek-ai/dsh-session-projection':
         specifier: workspace:^
         version: link:../../session-projection/session-projection
+      '@deepseek-ai/dsh-token-meter':
+        specifier: workspace:^
+        version: link:../../llm/token-meter
       '@deepseek-ai/dsh-tool-todo':
         specifier: workspace:^
         version: link:../../todo/tool-todo
@@ -1374,6 +1443,9 @@ importers:
       '@deepseek-ai/dsh-client-schema-form':
         specifier: workspace:^
         version: link:../schema-form
+      '@deepseek-ai/dsh-client-test-runtime':
+        specifier: workspace:^
+        version: link:../test-runtime
       '@deepseek-ai/dsh-client-ui-primitives':
         specifier: workspace:^
         version: link:../ui-primitives
@@ -1401,24 +1473,48 @@ importers:
 
   packages/client/ui-permission:
     devDependencies:
+      '@deepseek-ai/dsh-client-connection':
+        specifier: workspace:^
+        version: link:../connection
+      '@deepseek-ai/dsh-client-locale':
+        specifier: workspace:^
+        version: link:../locale
       '@deepseek-ai/dsh-client-runtime':
         specifier: workspace:^
         version: link:../runtime
+      '@deepseek-ai/dsh-client-schema-form':
+        specifier: workspace:^
+        version: link:../schema-form
       '@deepseek-ai/dsh-client-ui-command':
         specifier: workspace:^
         version: link:../ui-command
+      '@deepseek-ai/dsh-client-ui-primitives':
+        specifier: workspace:^
+        version: link:../ui-primitives
       '@deepseek-ai/dsh-client-ui-slash':
         specifier: workspace:^
         version: link:../ui-slash
+      '@deepseek-ai/dsh-client-ui-slots':
+        specifier: workspace:^
+        version: link:../ui-slots
+      '@deepseek-ai/dsh-client-web-react':
+        specifier: workspace:^
+        version: link:../web-react
       '@deepseek-ai/dsh-invariants':
         specifier: workspace:^
         version: link:../../support/invariants
       '@deepseek-ai/dsh-permission':
         specifier: workspace:^
         version: link:../../ui/permission
+      '@types/react':
+        specifier: ~18.3.1
+        version: 18.3.31
       cordis:
         specifier: ^4.0.0-rc.7
         version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5)
+      react:
+        specifier: ^18.2.0
+        version: 18.3.1
 
   packages/client/ui-plan:
     devDependencies:
@@ -1437,6 +1533,9 @@ importers:
       '@deepseek-ai/dsh-client-ui-conversation':
         specifier: workspace:^
         version: link:../ui-conversation
+      '@deepseek-ai/dsh-client-ui-primitives':
+        specifier: workspace:^
+        version: link:../ui-primitives
       '@deepseek-ai/dsh-client-ui-slots':
         specifier: workspace:^
         version: link:../ui-slots
@@ -1587,21 +1686,40 @@ importers:
       '@types/react':
         specifier: ~18.3.1
         version: 18.3.31
+      '@types/react-dom':
+        specifier: ~18.3.0
+        version: 18.3.7(@types/react@18.3.31)
       cordis:
         specifier: ^4.0.0-rc.7
         version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5)
       react:
         specifier: ^18.2.0
         version: 18.3.1
+      react-dom:
+        specifier: ^18.2.0
+        version: 18.3.1(react@18.3.1)
 
   packages/client/ui-settings-general:
+    dependencies:
+      '@deepseek-ai/dsh-settings':
+        specifier: workspace:^
+        version: link:../../settings/settings
+      schemastery:
+        specifier: ^3.18.0
+        version: 3.18.0
     devDependencies:
+      '@deepseek-ai/dsh-client-connection':
+        specifier: workspace:^
+        version: link:../connection
       '@deepseek-ai/dsh-client-locale':
         specifier: workspace:^
         version: link:../locale
       '@deepseek-ai/dsh-client-runtime':
         specifier: workspace:^
         version: link:../runtime
+      '@deepseek-ai/dsh-client-test-runtime':
+        specifier: workspace:^
+        version: link:../test-runtime
       '@deepseek-ai/dsh-client-ui-primitives':
         specifier: workspace:^
         version: link:../ui-primitives
@@ -1611,6 +1729,9 @@ importers:
       '@deepseek-ai/dsh-client-ui-slots':
         specifier: workspace:^
         version: link:../ui-slots
+      '@deepseek-ai/dsh-client-web-react':
+        specifier: workspace:^
+        version: link:../web-react
       '@deepseek-ai/dsh-invariants':
         specifier: workspace:^
         version: link:../../support/invariants
@@ -1758,6 +1879,9 @@ importers:
       '@deepseek-ai/dsh-client-runtime':
         specifier: workspace:^
         version: link:../runtime
+      '@deepseek-ai/dsh-client-test-runtime':
+        specifier: workspace:^
+        version: link:../test-runtime
       '@deepseek-ai/dsh-client-ui-primitives':
         specifier: workspace:^
         version: link:../ui-primitives
@@ -1953,6 +2077,36 @@ importers:
         specifier: ^4.0.0-rc.7
         version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5)
 
+  packages/compact/command-compact:
+    devDependencies:
+      '@cordisjs/plugin-include':
+        specifier: workspace:^
+        version: link:../../../vendor/include
+      '@cordisjs/plugin-loader':
+        specifier: workspace:^
+        version: link:../../../vendor/loader
+      '@deepseek-ai/dsh-agent':
+        specifier: workspace:^
+        version: link:../../core/agent
+      '@deepseek-ai/dsh-commands':
+        specifier: workspace:^
+        version: link:../../ui/commands
+      '@deepseek-ai/dsh-compact':
+        specifier: workspace:^
+        version: link:../compact
+      '@deepseek-ai/dsh-invariants':
+        specifier: workspace:^
+        version: link:../../support/invariants
+      '@deepseek-ai/dsh-llm':
+        specifier: workspace:^
+        version: link:../../llm/llm
+      '@deepseek-ai/dsh-session':
+        specifier: workspace:^
+        version: link:../../core/session
+      cordis:
+        specifier: ^4.0.0-rc.7
+        version: 4.0.0-rc.7(@cordisjs/plugin-include@vendor+include)(@cordisjs/plugin-loader@vendor+loader)
+
   packages/compact/compact:
     devDependencies:
       '@deepseek-ai/dsh-invariants':
@@ -3168,6 +3322,9 @@ importers:
       '@deepseek-ai/dsh-session-projection-cache':
         specifier: workspace:^
         version: link:../../session-projection/session-projection-cache
+      '@deepseek-ai/dsh-session-query':
+        specifier: workspace:^
+        version: link:../../session-query/session-query
       '@deepseek-ai/dsh-session-title':
         specifier: workspace:^
         version: link:../../session-title/session-title
@@ -3263,6 +3420,9 @@ importers:
       '@deepseek-ai/dsh-client-runtime':
         specifier: workspace:^
         version: link:../../client/runtime
+      '@deepseek-ai/dsh-client-test-runtime':
+        specifier: workspace:^
+        version: link:../../client/test-runtime
       '@deepseek-ai/dsh-client-ui-primitives':
         specifier: workspace:^
         version: link:../../client/ui-primitives
@@ -3467,6 +3627,9 @@ importers:
       schemastery:
         specifier: ^3.18.0
         version: 3.18.0
+      zod:
+        specifier: ^4.4.3
+        version: 4.4.3
     devDependencies:
       '@deepseek-ai/dsh-invariants':
         specifier: workspace:^
@@ -3477,6 +3640,9 @@ importers:
       '@deepseek-ai/dsh-session':
         specifier: workspace:^
         version: link:../../core/session
+      '@deepseek-ai/dsh-session-projection':
+        specifier: workspace:^
+        version: link:../../session-projection/session-projection
       cordis:
         specifier: ^4.0.0-rc.7
         version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5)
@@ -3849,6 +4015,9 @@ importers:
         specifier: ^3.18.0
         version: 3.18.0
     devDependencies:
+      '@deepseek-ai/dsh-agent':
+        specifier: workspace:^
+        version: link:../../core/agent
       '@deepseek-ai/dsh-invariants':
         specifier: workspace:^
         version: link:../../support/invariants
@@ -3858,6 +4027,9 @@ importers:
       '@deepseek-ai/dsh-session':
         specifier: workspace:^
         version: link:../../core/session
+      '@deepseek-ai/dsh-system-prompt':
+        specifier: workspace:^
+        version: link:../../core/system-prompt
       cordis:
         specifier: ^4.0.0-rc.7
         version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5)
@@ -5154,12 +5326,18 @@ importers:
       '@cordisjs/plugin-loader':
         specifier: workspace:^
         version: link:../../../vendor/loader
+      '@deepseek-ai/dsh-brand':
+        specifier: workspace:^
+        version: link:../../util/brand
       '@deepseek-ai/dsh-invariants':
         specifier: workspace:^
         version: link:../../support/invariants
       '@deepseek-ai/dsh-llm':
         specifier: workspace:^
         version: link:../../llm/llm
+      '@deepseek-ai/dsh-paths':
+        specifier: workspace:^
+        version: link:../../util/paths
       '@deepseek-ai/dsh-session':
         specifier: workspace:^
         version: link:../../core/session
@@ -5410,6 +5588,9 @@ importers:
       '@deepseek-ai/dsh-session-projection':
         specifier: workspace:^
         version: link:../../session-projection/session-projection
+      '@deepseek-ai/dsh-settings':
+        specifier: workspace:^
+        version: link:../../settings/settings
       '@deepseek-ai/dsh-user-approval':
         specifier: workspace:^
         version: link:../user-approval
@@ -5725,9 +5906,21 @@ importers:
         specifier: ^3.18.0
         version: 3.18.0
     devDependencies:
+      '@deepseek-ai/dsh-agent':
+        specifier: workspace:^
+        version: link:../../core/agent
+      '@deepseek-ai/dsh-credentials':
+        specifier: workspace:^
+        version: link:../../credentials/credentials
+      '@deepseek-ai/dsh-credentials-local':
+        specifier: workspace:^
+        version: link:../../credentials/credentials-local
       '@deepseek-ai/dsh-invariants':
         specifier: workspace:^
         version: link:../../support/invariants
+      '@deepseek-ai/dsh-session':
+        specifier: workspace:^
+        version: link:../../core/session
       '@deepseek-ai/dsh-web':
         specifier: workspace:^
         version: link:../web
@@ -8677,6 +8870,9 @@ packages:
   '@types/retry@0.12.0':
     resolution: {integrity: sha512-wWKOClTTiizcZhXnPY4wikVAwmdYHp8q6DmC+EJUzAMsycb7HB32Kh9RN4+0gExjmPmZSAQjgURXIGATPegAvA==}
 
+  '@types/spdx-expression-parse@4.0.0':
+    resolution: {integrity: sha512-odQzy87phelGS4inXOzjmusx4hoCVD0IbxUANxHzVkmTzMRTNnUPoq1urIl7S1qf09KcDWKLFIftPmLtgbsAHA==}
+
   '@types/tough-cookie@4.0.5':
     resolution: {integrity: sha512-/Ad8+nIOV7Rl++6f1BdKxFSMgmoqEoYbHRpPcx3JEfv8VRsQe9Z4mCXeJBzxs7mbHY/XOZZuXlRNfhpVPbs6ZA==}
 
@@ -11024,6 +11220,10 @@ packages:
     resolution: {integrity: sha512-dWUG8F5sIIARXih1DTaQAX4SsiTXhInKf1buxdY9DIg4ZYPZK5nGM1VRIYmEbDbsHt7USo99xSLFu5Q1IqTmsg==}
     engines: {node: '>= 18'}
 
+  smol-toml@1.7.1:
+    resolution: {integrity: sha512-PPlsspAZ4jbMBu5DMFhfUGDQLu/vrL4SyBROVS37x8ynnVmFIs1VPBz1Co8Xks3TvpIaZXmU85y4DrQ+UyVFoQ==}
+    engines: {node: '>= 18'}
+
   source-map-js@1.2.1:
     resolution: {integrity: sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==}
     engines: {node: '>=0.10.0'}
@@ -11035,6 +11235,15 @@ packages:
   space-separated-tokens@2.0.2:
     resolution: {integrity: sha512-PEGlAwrG8yXGXRjW32fGbg66JAlOAwbObuqVoJpv/mRgoWDQfgH1wDPvtzWyUSNAXBGSk8h755YDbbcEy3SH2Q==}
 
+  spdx-exceptions@2.5.0:
+    resolution: {integrity: sha512-PiU42r+xO4UbUS1buo3LPJkjlO7430Xn5SVAhdpzzsPHsjbYVflnnFdATgabnLude+Cqu25p6N+g2lw/PFsa4w==}
+
+  spdx-expression-parse@5.0.0:
+    resolution: {integrity: sha512-vngmw3Rgn+o2arXNbnZaj5UtOEBuWBfvaI+Wc8GFfykIhA5/vdK9/Sp/XkLv63dykz2rxKDvKEHupF5P0FORcQ==}
+
+  spdx-license-ids@3.0.23:
+    resolution: {integrity: sha512-CWLcCCH7VLu13TgOH+r8p1O/Znwhqv/dbb6lqWy67G+pT1kHmeD/+V36AVb/vq8QMIQwVShJ6Ssl5FPh0fuSdw==}
+
   speakingurl@14.0.1:
     resolution: {integrity: sha512-1POYv7uv2gXoyGFpBCmpDVSNV74IfsWlDW216UPjbWufNf+bSU6GdbDsxdcxtfwb4xlI3yxzOTKClUosxARYrQ==}
     engines: {node: '>=0.10.0'}
@@ -13661,6 +13870,8 @@ snapshots:
 
   '@types/retry@0.12.0': {}
 
+  '@types/spdx-expression-parse@4.0.0': {}
+
   '@types/tough-cookie@4.0.5': {}
 
   '@types/trusted-types@2.0.7':
@@ -16527,12 +16738,23 @@ snapshots:
 
   smol-toml@1.6.1: {}
 
+  smol-toml@1.7.1: {}
+
   source-map-js@1.2.1: {}
 
   source-map@0.6.1: {}
 
   space-separated-tokens@2.0.2: {}
 
+  spdx-exceptions@2.5.0: {}
+
+  spdx-expression-parse@5.0.0:
+    dependencies:
+      spdx-exceptions: 2.5.0
+      spdx-license-ids: 3.0.23
+
+  spdx-license-ids@3.0.23: {}
+
   speakingurl@14.0.1: {}
 
   stackback@0.0.2: {}
diff --git a/scripts/gen-cordis-catalog.ts b/scripts/gen-cordis-catalog.ts
index c3bc839c75..fef83c729d 100644
--- a/scripts/gen-cordis-catalog.ts
+++ b/scripts/gen-cordis-catalog.ts
@@ -164,6 +164,7 @@ export const LINK_MAP: Readonly<Record<string, string>> = {
   SubagentService: 'subagent.md',
   SubagentStartRequest: 'subagent.md',
   AssembleContext: 'system-prompt.md',
+  PromptContext: 'system-prompt.md',
   PromptSection: 'system-prompt.md',
   SystemPrompt: 'system-prompt.md',
   ToolProviderResult: 'system-prompt.md',
@@ -236,6 +237,7 @@ export const TYPE_LINK_EXEMPTIONS: Readonly<Record<string, string>> = {
   BashEnvContributor: 'service-local extension type is owned by packages/bash/tool-bash/src/index.ts',
   BashEnvVariableInfo: 'service-local metadata type is owned by packages/bash/tool-bash/src/index.ts',
   CompactAgentContext: 'compaction service input is owned by packages/compact/compact/src/index.ts',
+  ManualCompactAgentContext: 'manual compaction service input is owned by packages/compact/compact/src/index.ts',
   DirectoryPickerCapability: 'picker interaction contract is owned by packages/host/directory-picker/README.md',
   CreateAgentOptions: 'agent creation contract is owned by packages/core/agent/README.md',
   Domain: 'domain interface is owned by packages/storage/storage-domain/README.md',
diff --git a/scripts/gen-third-party-notices.spec.ts b/scripts/gen-third-party-notices.spec.ts
new file mode 100644
index 0000000000..707c30ff70
--- /dev/null
+++ b/scripts/gen-third-party-notices.spec.ts
@@ -0,0 +1,208 @@
+import { readdirSync, readFileSync } from 'node:fs'
+import { resolve } from 'node:path'
+import { describe, expect, it } from 'vitest'
+import { collectPythonDependencies, isPermissive, type Manifest, manifestPatterns, parsePyprojectRequirements, parseVendoredRows, render, tierExternalDeps } from './gen-third-party-notices.ts'
+
+const root = resolve(import.meta.dirname, '..')
+
+describe('THIRD_PARTY_NOTICES.md', () => {
+  // Freshness lives here rather than in its own doc-sync gate: this spec file
+  // already runs in the test lane, so the check costs no extra CI process.
+  // Pre-commit regenerates the file whenever a manifest is staged, so reaching
+  // this assertion means the notices were committed without that hook.
+  it('matches what the generator produces from the current manifests', () => {
+    expect(readFileSync(resolve(root, 'THIRD_PARTY_NOTICES.md'), 'utf8'), 'stale notices — run `pnpm run gen-third-party-notices`').toBe(render())
+  })
+})
+
+/** Build the (manifests, names) pair `tierExternalDeps` consumes. */
+function workspace(entries: Record<string, Manifest>): { manifests: Map<string, Manifest>; names: Set<string> } {
+  const manifests = new Map(Object.entries(entries))
+  const names = new Set<string>()
+  for (const manifest of manifests.values()) {
+    if (manifest.name !== undefined) names.add(manifest.name)
+  }
+  return { manifests, names }
+}
+
+describe('tierExternalDeps', () => {
+  it('tiers by declaring area, not by the declaring section name', () => {
+    const { manifests, names } = workspace({
+      // Root tooling and test infrastructure never ship, whichever section declares them.
+      'package.json': { dependencies: { 'root-runtime-looking': '^1' }, devDependencies: { 'lint-tool': '^1' } },
+      'packages/support/loader-smoke/package.json': { name: '@deepseek-ai/dsh-loader-smoke', dependencies: { 'smoke-helper': '^1' } },
+      'packages/client/test-runtime/package.json': { name: '@deepseek-ai/dsh-client-test-runtime', dependencies: { 'test-lib': '^1' } },
+      'website/package.json': { devDependencies: { 'site-tool': '^1' } },
+      // A plugin package's runtime dependency ships even when no app mounts it by default.
+      'packages/mcp/mcp-client/package.json': { name: '@deepseek-ai/dsh-mcp-client', dependencies: { 'protocol-sdk': '^1' }, devDependencies: { 'protocol-fixture-server': '^1' } },
+      'apps/cli/package.json': { name: '@deepseek-ai/dsh-cli', dependencies: { 'cli-lib': '^1', '@deepseek-ai/dsh-mcp-client': 'workspace:^' } },
+    })
+
+    expect(tierExternalDeps(manifests, names)).toEqual(new Map([
+      ['tsx', true],
+      ['root-runtime-looking', false],
+      ['lint-tool', false],
+      ['smoke-helper', false],
+      ['test-lib', false],
+      ['site-tool', false],
+      ['protocol-sdk', true],
+      ['protocol-fixture-server', false],
+      ['cli-lib', true],
+    ]))
+  })
+
+  it('keeps a package runtime when any shipping area declares it, and excludes workspace links', () => {
+    const { manifests, names } = workspace({
+      'package.json': { devDependencies: { shared: '^1' } },
+      'packages/ui/tui/package.json': { name: '@deepseek-ai/dsh-tui', dependencies: { shared: '^1', '@deepseek-ai/dsh-cli': 'workspace:^' } },
+      'apps/cli/package.json': { name: '@deepseek-ai/dsh-cli' },
+    })
+
+    expect(tierExternalDeps(manifests, names).get('shared')).toBe(true)
+    expect(tierExternalDeps(manifests, names).has('@deepseek-ai/dsh-cli')).toBe(false)
+  })
+})
+
+describe('parseVendoredRows', () => {
+  it('reads the committed vendor manifest table', () => {
+    const rows = parseVendoredRows(readFileSync(resolve(root, 'vendor/README.md'), 'utf8'))
+
+    expect(rows.length).toBeGreaterThan(0)
+    expect(rows).toContainEqual({ npmName: 'cordis', upstream: 'https://github.com/cordiverse/cordis' })
+    // The upstream column carries a trailing package path for some rows; it is not part of the URL.
+    expect(rows.every(row => /^https:\/\/\S+$/.test(row.upstream))).toBe(true)
+  })
+
+  it('yields nothing when the table shape changes, so the generator fails loud', () => {
+    expect(parseVendoredRows('| `cordis/` | cordis | 4.0.0 | https://example.com | `abc123` |\n')).toEqual([])
+  })
+
+  it('covers every vendored directory, so no package can drop out of the notices', () => {
+    const parsed = new Set(parseVendoredRows(readFileSync(resolve(root, 'vendor/README.md'), 'utf8')).map(row => row.npmName))
+    const onDisk = readdirSync(resolve(root, 'vendor'), { withFileTypes: true })
+      .filter(entry => entry.isDirectory())
+      .map(entry => (JSON.parse(readFileSync(resolve(root, 'vendor', entry.name, 'package.json'), 'utf8')) as Manifest).name)
+
+    expect([...onDisk].sort()).toEqual([...parsed].sort())
+  })
+})
+
+describe('parsePyprojectRequirements', () => {
+  it('reads the committed manifests', () => {
+    expect(parsePyprojectRequirements(readFileSync(resolve(root, 'python/sdk/pyproject.toml'), 'utf8'))).toContain('pydantic')
+  })
+
+  it('locates requirement arrays by TOML table, so author-named groups are not missed', () => {
+    expect(parsePyprojectRequirements([
+      '[build-system]',
+      'requires = ["hatchling>=1.24.0"]',
+      '',
+      '[project]',
+      'name = "not-a-requirement"',
+      'dependencies = ["pydantic>=2.12"]',
+      '',
+      '[project.optional-dependencies]',
+      'cli = ["click"]',
+      '',
+      '[dependency-groups]',
+      'docs = ["sphinx>=7"]',
+      '',
+      '[tool.hatch.build.targets.wheel]',
+      'packages = ["src/deepseek_harness"]',
+      '',
+      '[tool.pytest.ini_options]',
+      'testpaths = ["tests"]',
+    ].join('\n'))).toEqual(['hatchling', 'pydantic', 'click', 'sphinx'])
+  })
+
+  it('does not truncate an array at a bracket inside extras', () => {
+    expect(parsePyprojectRequirements('[project]\ndependencies = ["httpx[http2]", "requests"]\n'))
+      .toEqual(['httpx', 'requests'])
+  })
+
+  it('reads names whether or not requirements carry versions, extras, or markers', () => {
+    expect(parsePyprojectRequirements("[project]\ndependencies = [\"pydantic>=2.12\", \"requests\", \"httpx[http2]\", \"tomli ; python_version < '3.11'\", \"hatchling >= 1.24.0\"]\n"))
+      .toEqual(['pydantic', 'requests', 'httpx', 'tomli', 'hatchling'])
+  })
+
+  it('reads single-quoted TOML literals and rejects an unreadable requirement', () => {
+    expect(parsePyprojectRequirements("[project]\ndependencies = ['requests', \"pydantic>=2\"]\n")).toEqual(['requests', 'pydantic'])
+    expect(() => parsePyprojectRequirements('[project]\ndependencies = ["!!broken"]\n')).toThrow(/cannot read a distribution name/)
+  })
+
+  it('reads a multi-line array', () => {
+    expect(parsePyprojectRequirements('[project]\ndependencies = [\n  "pydantic>=2.12",\n  "typing-extensions",\n]\n'))
+      .toEqual(['pydantic', 'typing-extensions'])
+  })
+
+  it('obeys TOML comments, quoted keys, and escaped strings', () => {
+    expect(parsePyprojectRequirements([
+      '[project] # a legal header comment',
+      'dependencies = [',
+      '  "pydantic", # ] does not close the array',
+      '  # "old-package" is not a dependency',
+      '  "tomli; python_version < \'3.11\'",',
+      ']',
+      '',
+      '[dependency-groups]',
+      '"test.docs" = ["pytest"]',
+    ].join('\n'))).toEqual(['pydantic', 'tomli', 'pytest'])
+  })
+
+  it('accepts dependency-group includes and rejects unsupported requirement shapes', () => {
+    expect(parsePyprojectRequirements('[dependency-groups]\nbase = ["pytest"]\nall = [{ include-group = "base" }]\n'))
+      .toEqual(['pytest'])
+    expect(() => parsePyprojectRequirements('[project]\ndependencies = "pytest"\n')).toThrow(/must be an array/)
+    expect(() => parsePyprojectRequirements('[dependency-groups]\ntest = [{ unknown = "pytest" }]\n')).toThrow(/unsupported requirement entry/)
+  })
+})
+
+describe('collectPythonDependencies', () => {
+  it('excludes normalized local project names without exempting a third-party prefix', () => {
+    const pyprojects = [
+      '[project]\nname = "deepseek-harness-runtime-bin"\ndependencies = ["pydantic"]\n',
+      '[project]\nname = "deepseek-harness"\ndependencies = ["DeepSeek.Harness_Runtime-Bin", "deepseek-unrelated"]\n',
+    ]
+    expect(() => collectPythonDependencies(pyprojects)).toThrow(
+      'python dependency deepseek-unrelated is missing from PYTHON_METADATA',
+    )
+  })
+})
+
+describe('isPermissive', () => {
+  it('accepts the licenses this project ships and rejects copyleft or unknown ones', () => {
+    expect(['MIT', 'ISC', 'BSD-3-Clause', 'Apache-2.0', 'MIT / Apache-2.0', '(MIT OR CC0-1.0)'].every(isPermissive)).toBe(true)
+    expect(['LGPL-3.0-only', 'MPL-2.0', 'GPL-3.0-or-later', 'SEE LICENSE IN LICENSE'].some(isPermissive)).toBe(false)
+  })
+
+  it('requires every operand of an AND, so a copyleft conjunct cannot ride along', () => {
+    expect(isPermissive('(MIT OR Apache-2.0) AND GPL-3.0-only')).toBe(false)
+    expect(isPermissive('MIT AND ISC')).toBe(true)
+    // An exception clause is not a recognized identifier, so it fails closed.
+    expect(isPermissive('GPL-2.0-only WITH Classpath-exception-2.0')).toBe(false)
+  })
+
+  it('honors grouping and SPDX precedence', () => {
+    expect(isPermissive('MIT OR (GPL-3.0-only AND GPL-2.0-only)')).toBe(true)
+    expect(isPermissive('(MIT OR Apache-2.0) AND ISC')).toBe(true)
+  })
+
+  it('fails closed for malformed expressions, additions, and exceptions', () => {
+    expect(['MIT)', '((MIT', '(MIT OR GPL-3.0-only', 'MIT OR OR GPL-3.0-only'].some(isPermissive)).toBe(false)
+    expect(isPermissive('MIT+')).toBe(false)
+    expect(isPermissive('GPL-2.0-only WITH Classpath-exception-2.0')).toBe(false)
+  })
+})
+
+describe('manifestPatterns', () => {
+  it('derives globs from the declared members, so a new member area is read', () => {
+    expect(manifestPatterns(['packages/*/*', 'tools/*'], ['packages/*'])).toEqual([
+      'package.json',
+      'packages/*/*/package.json',
+      'tools/*/package.json',
+      'examples/*/package.json',
+      'native/landlock-run/package.json',
+      'native/landlock-run/packages/*/package.json',
+    ])
+  })
+})
diff --git a/scripts/gen-third-party-notices.ts b/scripts/gen-third-party-notices.ts
new file mode 100644
index 0000000000..5306f9a003
--- /dev/null
+++ b/scripts/gen-third-party-notices.ts
@@ -0,0 +1,596 @@
+/**
+ * Generate `THIRD_PARTY_NOTICES.md` from the workspace manifests: every
+ * external dependency named by a workspace `package.json`, the vendored-package
+ * manifest in `vendor/README.md`, the Python `pyproject.toml` files, and the
+ * pnpm patch list. License and repository metadata come from the installed
+ * store, so the tree must be installed. `--check` verifies the committed
+ * artifact. Tier policy and ownership live in
+ * `.agents/notes/implemented/process/2026-07-30-generated-third-party-notices.md`.
+ */
+
+import { existsSync, globSync, readdirSync, readFileSync, writeFileSync } from 'node:fs'
+import { resolve } from 'node:path'
+import * as yaml from 'js-yaml'
+import { parse as parseToml, type TomlTableWithoutBigInt, type TomlValueWithoutBigInt } from 'smol-toml'
+import parseSpdx from 'spdx-expression-parse'
+
+const root = resolve(import.meta.dirname, '..')
+const OUT = 'THIRD_PARTY_NOTICES.md'
+
+/** Dependency-declaration kinds a consumer resolves at runtime. */
+const RUNTIME_KINDS = ['dependencies', 'optionalDependencies'] as const
+/** All manifest sections that name an external package this file must disclose. */
+const ALL_KINDS = ['dependencies', 'devDependencies', 'optionalDependencies', 'peerDependencies'] as const
+
+/**
+ * Workspace areas that never reach a user: repository tooling and gates (the
+ * root manifest), test infrastructure, the documentation site, the runnable
+ * demo leaves, and the native launcher's build workspace. A runtime
+ * declaration by anything outside these areas is a disclosure-relevant
+ * runtime dependency, because `scripts/install.sh` installs the repository
+ * itself and any plugin package can be mounted from a user's `cordis.yml`.
+ */
+const DEV_ONLY_AREAS = [
+  'package.json',
+  'packages/support/',
+  'packages/client/test-runtime/',
+  'website/',
+  'examples/',
+  'native/',
+] as const
+
+/**
+ * First-party packages released from sibling repositories under the project's
+ * own license: reachable from workspace manifests but not third-party.
+ */
+const FIRST_PARTY = new Set([
+  'node-addon-landlock-run',
+  'node-addon-landlock-run-linux-arm64',
+  'node-addon-landlock-run-linux-x64',
+])
+
+/**
+ * Metadata overrides where the installed manifest is wrong or unreachable.
+ * Each entry documents why the store cannot answer.
+ */
+const OVERRIDES: Record<string, { license?: string; repo?: string }> = {
+  // Rust workspaces publishing npm bins without `license` in package.json.
+  'oxlint': { license: 'MIT', repo: 'https://github.com/oxc-project/oxc' },
+  'oxlint-tsgolint': { license: 'MIT', repo: 'https://github.com/oxc-project/tsgolint' },
+  // `license: SEE LICENSE IN LICENSE`: the servers repo is mid MIT→Apache-2.0
+  // relicensing, so the effective terms are per-contribution.
+  '@modelcontextprotocol/server-everything': { license: 'MIT / Apache-2.0', repo: 'https://github.com/modelcontextprotocol/servers' },
+  '@modelcontextprotocol/server-filesystem': { license: 'MIT / Apache-2.0', repo: 'https://github.com/modelcontextprotocol/servers' },
+  // No repository field in the published manifest.
+  'node-addon-require-builtin': { repo: 'https://www.npmjs.com/package/node-addon-require-builtin' },
+}
+
+/**
+ * Python dependencies are few and named directly in `pyproject.toml` files
+ * without installed metadata to harvest, so license/repo are recorded here and
+ * the generator fails when a manifest names a package this map misses.
+ */
+const PYTHON_METADATA: Record<string, { license: string; repo: string; role: string }> = {
+  pydantic: { license: 'MIT', repo: 'https://github.com/pydantic/pydantic', role: 'runtime dependency of `deepseek-harness`' },
+  hatchling: { license: 'MIT', repo: 'https://github.com/pypa/hatch', role: 'build backend' },
+  pytest: { license: 'MIT', repo: 'https://github.com/pytest-dev/pytest', role: 'test-only' },
+}
+
+type PythonMetadata = typeof PYTHON_METADATA
+
+/** Tools fetched by scripts at build time, keyed by the pin the script owns. */
+const BUILD_TIME_TOOLS = [
+  {
+    name: '@yao-pkg/pkg',
+    license: 'MIT',
+    repo: 'https://github.com/yao-pkg/pkg',
+    role: 'invoked by `scripts/build-exe-for-python-sdk.ts` to assemble the single-file SDK runtime executable',
+    pinSource: 'scripts/build-exe-for-python-sdk.ts',
+  },
+]
+
+/** The `package.json` fields this generator reads. */
+export interface Manifest {
+  name?: string
+  private?: boolean
+  license?: string
+  dependencies?: Record<string, string>
+  devDependencies?: Record<string, string>
+  optionalDependencies?: Record<string, string>
+  peerDependencies?: Record<string, string>
+}
+
+/** One disclosed external npm dependency. */
+interface ExternalDep {
+  name: string
+  license: string
+  repo: string
+  /** True when some shipped workspace consumer reaches it through runtime dependency edges. */
+  runtime: boolean
+}
+
+/** Read and parse a workspace-relative `package.json`. */
+function readManifest(rel: string): Manifest {
+  return JSON.parse(readFileSync(resolve(root, rel), 'utf8')) as Manifest
+}
+
+/**
+ * Manifest globs, derived from the workspace declarations rather than listed
+ * here, so a new member area (`tools/*`) is read the day it is declared.
+ * @returns one glob per manifest-bearing location, repository-relative.
+ */
+export function manifestPatterns(rootMembers: readonly string[], nativeMembers: readonly string[]): string[] {
+  return [
+    'package.json',
+    ...rootMembers.map(member => `${member}/package.json`),
+    // The demo leaves join the workspace through `examples/package.json`, so
+    // their own manifests are members of nothing and no glob above reaches them.
+    'examples/*/package.json',
+    // `native/landlock-run` is a nested workspace with its own lock file.
+    'native/landlock-run/package.json',
+    ...nativeMembers.map(member => `native/landlock-run/${member}/package.json`),
+  ]
+}
+
+/** The `packages:` member globs declared by one pnpm workspace file. */
+function workspaceMembers(rel: string): string[] {
+  const declared = (yaml.load(readFileSync(resolve(root, rel), 'utf8')) as { packages?: unknown }).packages
+  if (!Array.isArray(declared) || declared.length === 0) {
+    throw new Error(`gen-third-party-notices: ${rel} declares no workspace members; the manifest set cannot be derived.`)
+  }
+  return declared.map(member => String(member))
+}
+
+/** Every workspace manifest, keyed by path, plus the set of workspace package names. */
+function loadWorkspaceManifests(): { manifests: Map<string, Manifest>; names: Set<string> } {
+  const patterns = manifestPatterns(workspaceMembers('pnpm-workspace.yaml'), workspaceMembers('native/landlock-run/pnpm-workspace.yaml'))
+  const manifests = new Map<string, Manifest>()
+  const names = new Set<string>()
+  for (const pattern of patterns) {
+    for (const path of globSync(pattern, { cwd: root })) {
+      const manifest = readManifest(path)
+      manifests.set(path, manifest)
+      if (manifest.name !== undefined) names.add(manifest.name)
+    }
+  }
+  if (manifests.size < 100) throw new Error(`gen-third-party-notices: only ${manifests.size} workspace manifests found; the glob set is stale.`)
+  return { manifests, names }
+}
+
+/** License and repository URL for an installed external package, from the pnpm store. */
+function installedMetadata(name: string): { license: string; repo: string } {
+  const override = OVERRIDES[name]
+  let manifest: (Manifest & { license?: string; repository?: string | { url?: string }; homepage?: string }) | undefined
+  // The nested Landlock workspace installs into its own store, so a package
+  // only that workspace depends on is unreachable from the root one.
+  for (const store of ['node_modules', 'native/landlock-run/node_modules']) {
+    const direct = resolve(root, store, name, 'package.json')
+    if (existsSync(direct)) {
+      manifest = JSON.parse(readFileSync(direct, 'utf8')) as typeof manifest
+      break
+    }
+    const virtual = resolve(root, store, '.pnpm')
+    if (!existsSync(virtual)) continue
+    const prefix = `${name.replace('/', '+')}@`
+    const entry = readdirSync(virtual).find(dir => dir.startsWith(prefix))
+    if (entry === undefined) continue
+    manifest = JSON.parse(readFileSync(resolve(virtual, entry, 'node_modules', name, 'package.json'), 'utf8')) as typeof manifest
+    break
+  }
+  const license = override?.license ?? manifest?.license
+  const rawRepo = typeof manifest?.repository === 'string' ? manifest.repository : manifest?.repository?.url ?? manifest?.homepage
+  const repo = override?.repo ?? normalizeRepo(rawRepo)
+  if (license === undefined || repo === undefined) {
+    throw new Error(`gen-third-party-notices: cannot resolve ${license === undefined ? 'license' : 'repository'} for ${name}; run \`pnpm install\` (or, for a Landlock-only dependency, \`pnpm --dir native/landlock-run install\`), or add an OVERRIDES entry.`)
+  }
+  return { license, repo }
+}
+
+/** Normalize a manifest repository/homepage value to a browsable https URL. */
+function normalizeRepo(raw: string | undefined): string | undefined {
+  if (raw === undefined || raw === '') return undefined
+  let url = raw
+    .replace(/^git\+ssh:\/\/git@/, 'https://')
+    .replace(/^git\+/, '')
+    .replace(/^git:\/\//, 'https://')
+    .replace(/^github:/, 'https://github.com/')
+    .replace(/\.git$/, '')
+  if (!url.startsWith('http')) url = `https://github.com/${url}`
+  return url
+}
+
+/**
+ * External npm dependencies, tiered by which workspace area declares them at
+ * runtime: a package is runtime when any manifest outside `DEV_ONLY_AREAS`
+ * names it in `dependencies`/`optionalDependencies`. A package declared only
+ * by tooling, test infrastructure, the website, or the demo leaves — whatever
+ * the declaring section is called — is development-only.
+ */
+function collectNpmDeps(): ExternalDep[] {
+  const { manifests, names } = loadWorkspaceManifests()
+  return [...tierExternalDeps(manifests, names)]
+    .filter(([name]) => !FIRST_PARTY.has(name))
+    .sort(([a], [b]) => a.localeCompare(b))
+    .map(([name, runtime]) => ({ name, ...installedMetadata(name), runtime }))
+}
+
+/**
+ * Tier every external dependency the workspace declares.
+ * @param manifests - workspace manifests keyed by repository-relative path.
+ * @param names - every workspace package name, which never counts as external.
+ * @returns each external package mapped to whether it is a runtime dependency.
+ */
+export function tierExternalDeps(manifests: Map<string, Manifest>, names: Set<string>): Map<string, boolean> {
+  const tiers = new Map<string, boolean>()
+  // `tsx` is runtime by fiat: `bin/dsh` execs the CLI through its ESM hook.
+  tiers.set('tsx', true)
+  for (const [path, manifest] of manifests) {
+    const devOnly = DEV_ONLY_AREAS.some(area => (area.endsWith('/') ? path.startsWith(area) : path === area))
+    for (const kind of ALL_KINDS) {
+      for (const [dep, range] of Object.entries(manifest[kind] ?? {})) {
+        if (names.has(dep) || range.startsWith('workspace:')) continue
+        const runtime = !devOnly && (RUNTIME_KINDS as readonly string[]).includes(kind)
+        tiers.set(dep, (tiers.get(dep) ?? false) || runtime)
+      }
+    }
+  }
+  return tiers
+}
+
+/** A vendored package row parsed out of the `vendor/README.md` manifest table. */
+export interface VendoredRow {
+  npmName: string
+  upstream: string
+}
+
+/**
+ * Parse the vendored-package manifest table out of `vendor/README.md`.
+ * @param text - the complete `vendor/README.md` contents.
+ * @returns one row per manifest-table entry, in table order.
+ */
+export function parseVendoredRows(text: string): VendoredRow[] {
+  const rows: VendoredRow[] = []
+  for (const line of text.split('\n')) {
+    const match = /^\| \x60\S+\/\x60 \| \x60([^\x60]+)\x60 \| \S+ \| (https:\/\/\S+?)(?: \([^)]*\))? \| \x60[0-9a-f]+\x60 \|$/.exec(line)
+    if (match === null) continue
+    const [, npmName, upstream] = match
+    if (npmName === undefined || upstream === undefined) continue
+    rows.push({ npmName, upstream })
+  }
+  return rows
+}
+
+/**
+ * Parse the vendored manifest table and confirm it accounts for every vendored
+ * directory. The `vendor/` tree — not the table — is the set that must be
+ * disclosed, so a row that stops matching the table format is a hard error
+ * rather than a package that quietly vanishes from the notices.
+ */
+function collectVendored(): VendoredRow[] {
+  const rows = parseVendoredRows(readFileSync(resolve(root, 'vendor/README.md'), 'utf8'))
+  const onDisk = new Map<string, string>()
+  for (const entry of readdirSync(resolve(root, 'vendor'), { withFileTypes: true })) {
+    if (!entry.isDirectory()) continue
+    const manifest = readManifest(`vendor/${entry.name}/package.json`)
+    if (manifest.name !== undefined) onDisk.set(manifest.name, entry.name)
+  }
+
+  const parsed = new Set(rows.map(row => row.npmName))
+  const missing = [...onDisk.keys()].filter(name => !parsed.has(name))
+  if (missing.length > 0) {
+    throw new Error(`gen-third-party-notices: vendor/README.md has no manifest-table row for ${missing.join(', ')}; its table format changed or the sync is incomplete.`)
+  }
+  for (const row of rows) {
+    const dir = onDisk.get(row.npmName)
+    if (dir === undefined) throw new Error(`gen-third-party-notices: vendored package ${row.npmName} from vendor/README.md has no vendor/ directory.`)
+    const license = readManifest(`vendor/${dir}/package.json`).license
+    if (license !== 'MIT') {
+      throw new Error(`gen-third-party-notices: vendored ${row.npmName} declares license ${JSON.stringify(license)}; the vendored section assumes MIT throughout.`)
+    }
+  }
+  return rows
+}
+
+/** Whether a parsed TOML value is a table rather than an array or scalar. */
+function isTomlTable(value: TomlValueWithoutBigInt | undefined): value is TomlTableWithoutBigInt {
+  return value !== undefined && typeof value === 'object' && !Array.isArray(value)
+}
+
+/** Parse one PEP 508 requirement string into its distribution name. */
+function parsePythonRequirement(requirement: string): string {
+  const name = /^\s*([a-zA-Z][a-zA-Z0-9._-]*)\s*(?:\[[^\]]*\])?\s*(?:[<>=!~;@].*)?$/.exec(requirement)?.[1]
+  if (name === undefined) {
+    throw new Error(`gen-third-party-notices: cannot read a distribution name from the requirement ${JSON.stringify(requirement)}.`)
+  }
+  return name
+}
+
+/** Add the string requirements from one parsed TOML array. */
+function collectPythonRequirementArray(
+  names: string[],
+  value: TomlValueWithoutBigInt | undefined,
+  location: string,
+  allowGroupIncludes = false,
+): void {
+  if (value === undefined) return
+  if (!Array.isArray(value)) {
+    throw new Error(`gen-third-party-notices: ${location} must be an array.`)
+  }
+  for (const item of value) {
+    if (typeof item === 'string') {
+      names.push(parsePythonRequirement(item))
+      continue
+    }
+    if (allowGroupIncludes && isTomlTable(item) && typeof item['include-group'] === 'string' && Object.keys(item).length === 1) {
+      continue
+    }
+    throw new Error(`gen-third-party-notices: ${location} contains an unsupported requirement entry.`)
+  }
+}
+
+/** Read an optional TOML table and reject a present value of another shape. */
+function optionalTomlTable(value: TomlValueWithoutBigInt | undefined, location: string): TomlTableWithoutBigInt | undefined {
+  if (value === undefined || isTomlTable(value)) return value
+  throw new Error(`gen-third-party-notices: ${location} must be a table.`)
+}
+
+/**
+ * Parse a `pyproject.toml` project identity and every requirement it declares:
+ * `requires` under
+ * `[build-system]`, `dependencies` under `[project]`, and every key under
+ * `[project.optional-dependencies]` and `[dependency-groups]`. A TOML parser
+ * owns comments, quoted keys, escapes, and array boundaries; unsupported
+ * requirement shapes fail instead of disappearing from the notices.
+ * @param text - the complete `pyproject.toml` contents.
+ * @returns the local project name and declared requirement names.
+ */
+function parsePyproject(text: string): { projectName?: string; requirements: string[] } {
+  const names: string[] = []
+  const document = parseToml(text, { integersAsBigInt: false })
+  const buildSystem = optionalTomlTable(document['build-system'], '[build-system]')
+  const project = optionalTomlTable(document.project, '[project]')
+  const projectName = project?.name
+  if (projectName !== undefined && typeof projectName !== 'string') {
+    throw new Error('gen-third-party-notices: [project].name must be a string.')
+  }
+  collectPythonRequirementArray(names, buildSystem?.requires, '[build-system].requires')
+  collectPythonRequirementArray(names, project?.dependencies, '[project].dependencies')
+
+  const optional = optionalTomlTable(project?.['optional-dependencies'], '[project.optional-dependencies]')
+  for (const [group, requirements] of Object.entries(optional ?? {})) {
+    collectPythonRequirementArray(names, requirements, `[project.optional-dependencies].${group}`)
+  }
+
+  const groups = optionalTomlTable(document['dependency-groups'], '[dependency-groups]')
+  for (const [group, requirements] of Object.entries(groups ?? {})) {
+    collectPythonRequirementArray(names, requirements, `[dependency-groups].${group}`, true)
+  }
+  return projectName === undefined
+    ? { requirements: names }
+    : { projectName, requirements: names }
+}
+
+/**
+ * Read every requirement name declared by one `pyproject.toml`.
+ * @param text - the complete `pyproject.toml` contents.
+ * @returns each declared requirement's distribution name, in file order.
+ */
+export function parsePyprojectRequirements(text: string): string[] {
+  return parsePyproject(text).requirements
+}
+
+/** Normalize a Python distribution name according to the packaging name rule. */
+function normalizePythonDistributionName(name: string): string {
+  return name.toLowerCase().replace(/[-_.]+/g, '-')
+}
+
+/**
+ * Resolve external Python dependencies after excluding local project names.
+ * @param pyprojects - complete local `pyproject.toml` contents.
+ * @param metadata - disclosure metadata for every external dependency.
+ * @returns disclosed dependencies in normalized name order.
+ */
+export function collectPythonDependencies(
+  pyprojects: string[],
+  metadata: PythonMetadata = PYTHON_METADATA,
+): { name: string; license: string; repo: string; role: string }[] {
+  const parsed = pyprojects.map(parsePyproject)
+  const firstParty = new Set(parsed.flatMap(({ projectName }) => (
+    projectName === undefined ? [] : [normalizePythonDistributionName(projectName)]
+  )))
+  const found = new Set(parsed
+    .flatMap(({ requirements }) => requirements.map(normalizePythonDistributionName))
+    .filter(name => !firstParty.has(name)))
+  return [...found].sort((a, b) => a.localeCompare(b)).map((name) => {
+    const entry = metadata[name]
+    if (entry === undefined) throw new Error(`gen-third-party-notices: python dependency ${name} is missing from PYTHON_METADATA.`)
+    return { name, ...entry }
+  })
+}
+
+/** Direct Python dependencies named by the `pyproject.toml` manifests under `python/`. */
+function collectPython(): { name: string; license: string; repo: string; role: string }[] {
+  const manifests = globSync('python/*/pyproject.toml', { cwd: root })
+  if (manifests.length === 0) throw new Error('gen-third-party-notices: no python/*/pyproject.toml found; the Python tree moved.')
+  return collectPythonDependencies(manifests.map(path => readFileSync(resolve(root, path), 'utf8')))
+}
+
+/** pnpm-patched external packages, from `pnpm-workspace.yaml`. */
+function collectPatched(): { spec: string; patch: string }[] {
+  const workspace = yaml.load(readFileSync(resolve(root, 'pnpm-workspace.yaml'), 'utf8')) as { patchedDependencies?: Record<string, string> }
+  return Object.entries(workspace.patchedDependencies ?? {}).map(([spec, patch]) => ({ spec, patch }))
+}
+
+/** Verify each build-time tool pin still appears in its owning script. */
+function verifyBuildTimePins(): void {
+  for (const tool of BUILD_TIME_TOOLS) {
+    const text = readFileSync(resolve(root, tool.pinSource), 'utf8')
+    if (!text.includes(tool.name)) {
+      throw new Error(`gen-third-party-notices: ${tool.pinSource} no longer references ${tool.name}; update BUILD_TIME_TOOLS.`)
+    }
+  }
+}
+
+/** SPDX identifiers this project may ship without further review. */
+const PERMISSIVE_LICENSES = new Set(['MIT', 'ISC', 'BSD-2-Clause', 'BSD-3-Clause', 'Apache-2.0', '0BSD', 'Unlicense', 'CC0-1.0', 'BlueOak-1.0.0', 'Python-2.0'])
+
+/** Evaluate a parsed SPDX expression under the repository's license policy. */
+function isPermissiveSpdx(expression: ReturnType<typeof parseSpdx>): boolean {
+  if ('conjunction' in expression) {
+    return expression.conjunction === 'and'
+      ? isPermissiveSpdx(expression.left) && isPermissiveSpdx(expression.right)
+      : isPermissiveSpdx(expression.left) || isPermissiveSpdx(expression.right)
+  }
+  return expression.plus !== true
+    && expression.exception === undefined
+    && PERMISSIVE_LICENSES.has(expression.license)
+}
+
+/**
+ * Whether an SPDX expression grants terms this project may ship under.
+ * `OR` needs one permissive alternative, because the consumer chooses; `AND`
+ * needs all of them, because every obligation applies. Anything that is not a
+ * recognized permissive identifier — copyleft, an exception clause, or a
+ * license this list has never seen — evaluates to false, so an unfamiliar
+ * expression fails closed rather than passing on a partial match.
+ * @param license - the SPDX expression from the package manifest.
+ * @returns true when the expression's obligations are all permissive.
+ */
+export function isPermissive(license: string): boolean {
+  // Some npm manifests use a slash for a choice despite SPDX requiring `OR`.
+  const normalized = license.replace(/\s*\/\s*/g, ' OR ').trim()
+  try {
+    return isPermissiveSpdx(parseSpdx(normalized))
+  } catch {
+    return false
+  }
+}
+
+/**
+ * Render the sentence that isolates non-permissive development tooling, or
+ * nothing at all when every development dependency is permissive.
+ * @param deps - development dependencies whose license is not permissive.
+ * @returns the paragraph to place after the development table.
+ */
+function renderNonPermissiveNote(deps: ExternalDep[]): string {
+  if (deps.length === 0) return ''
+  const named = deps.map(dep => `\`${dep.name}\` (${dep.license})`)
+  const subject = named.length === 1 ? named[0] : `${named.slice(0, -1).join(', ')} and ${named.at(-1)}`
+  return `\n${subject} ${named.length === 1 ? 'runs' : 'run'} only as development tooling; their code is not linked into or distributed with any DeepSeek Harness artifact.\n`
+}
+
+/** Render one npm dependency table. */
+function renderNpmTable(deps: ExternalDep[]): string {
+  const lines = ['| Package | License |', '| --- | --- |']
+  for (const dep of deps) lines.push(`| [\`${dep.name}\`](${dep.repo}) | ${dep.license} |`)
+  return lines.join('\n')
+}
+
+/**
+ * Render the complete notices document.
+ * @returns the exact bytes `THIRD_PARTY_NOTICES.md` must hold.
+ */
+export function render(): string {
+  verifyBuildTimePins()
+  const npm = collectNpmDeps()
+  const runtimeDeps = npm.filter(dep => dep.runtime)
+  const devDeps = npm.filter(dep => !dep.runtime)
+  const vendored = collectVendored()
+  const python = collectPython()
+  const patched = collectPatched()
+
+  const nonPermissiveDev = devDeps.filter(dep => !isPermissive(dep.license))
+  // A copyleft license reaching a shipped surface is a distribution decision,
+  // not a rendering detail; the notices cannot quietly absorb it.
+  const nonPermissiveRuntime = runtimeDeps.filter(dep => !isPermissive(dep.license))
+  if (nonPermissiveRuntime.length > 0) {
+    throw new Error(`gen-third-party-notices: runtime ${nonPermissiveRuntime.map(dep => `${dep.name} (${dep.license})`).join(', ')} is not a permissive license; review the distribution terms and record the decision before regenerating.`)
+  }
+  const patchedLines = patched.map(({ spec, patch }) => `- \`${spec}\` — [\`${patch}\`](${patch})`)
+
+  return `<!-- Generated by scripts/gen-third-party-notices.ts — do not edit by hand.
+     Run \`pnpm run gen-third-party-notices\` to regenerate. -->
+
+# Third-Party Notices
+
+DeepSeek Harness is licensed under [BSD 3-Clause](LICENSE). It depends on the third-party open-source software listed below. Each project remains under its own license; nothing in this file changes those terms.
+
+This file lists **direct** dependencies declared by the workspace. It is generated from the workspace manifests by \`scripts/gen-third-party-notices.ts\`: a pre-commit hook regenerates it whenever a staged file changes one of its inputs, and \`scripts/gen-third-party-notices.spec.ts\` asserts in the test lane that the committed bytes match. Deleting a manifest runs no hook, so that case is caught by the assertion instead. Run \`pnpm run verify-third-party-notices\` for the standalone check.
+
+The complete npm transitive closure, with exact pinned versions, is recorded in [\`pnpm-lock.yaml\`](pnpm-lock.yaml) — inspect it with \`pnpm licenses list\`. The Python closure is recorded in [\`python/sdk/uv.lock\`](python/sdk/uv.lock), and the Landlock launcher workspace keeps its own in [\`native/landlock-run/pnpm-lock.yaml\`](native/landlock-run/pnpm-lock.yaml).
+
+## Vendored source (\`vendor/\`)
+
+The Cordis framework and its foundation libraries are source-vendored into this repository rather than consumed from npm. All are MIT-licensed; each directory preserves its upstream \`LICENSE\` file. Exact upstream commits and local modifications are recorded in [\`vendor/README.md\`](vendor/README.md).
+
+| Package | Upstream | License |
+| --- | --- | --- |
+${vendored.map(row => `| \`${row.npmName}\` | [${row.upstream.replace('https://', '')}](${row.upstream}) | MIT |`).join('\n')}
+
+## Runtime npm dependencies
+
+External packages that a workspace package resolves at runtime. \`scripts/install.sh\` installs this repository itself, so the tier covers every plugin a user can mount from \`cordis.yml\` — not only what the \`dsh\` CLI/TUI, the Web UI, and the Python SDK runtime load by default.
+
+${renderNpmTable(runtimeDeps)}
+
+pnpm applies local patches to the following packages at install time, so shipped artifacts carry modified copies; each patch file is the complete record of the modification:
+
+${patchedLines.join('\n')}
+
+## Development-only npm dependencies
+
+External packages **directly declared** only by repository tooling, test infrastructure, the documentation site, the demo leaves, or the native launcher's build workspace. No shipped surface names them itself. A package here may still be pulled in transitively by a runtime dependency — \`pnpm-lock.yaml\` is the authority on the full closure — so this tier records who declares a package, not what a build ultimately bundles.
+
+${renderNpmTable(devDeps)}
+${renderNonPermissiveNote(nonPermissiveDev)}
+## Python SDK dependencies (\`python/\`)
+
+Direct dependencies of the \`pyproject.toml\` manifests, plus \`uv\` as the development workflow tool.
+
+| Package | License | Role |
+| --- | --- | --- |
+${python.map(dep => `| [\`${dep.name}\`](${dep.repo}) | ${dep.license} | ${dep.role} |`).join('\n')}
+| [\`uv\`](https://github.com/astral-sh/uv) | MIT / Apache-2.0 | development workflow tool |
+
+## Fetched at build time
+
+| Package | License | Role |
+| --- | --- | --- |
+${BUILD_TIME_TOOLS.map(tool => `| [\`${tool.name}\`](${tool.repo}) | ${tool.license} | ${tool.role} |`).join('\n')}
+
+## First-party sibling releases
+
+\`node-addon-landlock-run\` (and its platform packages) is released from a DeepSeek Harness sibling repository under BSD 3-Clause. It is listed here for completeness; it is first-party, not third-party.
+`
+}
+
+/** CLI entry: default writes the notices, `--check` fails if the committed copy
+ * is stale. Guarded behind an entry-point check so importing this module for
+ * tests neither regenerates the committed file nor calls process.exit. */
+function main(): void {
+  const content = render()
+  if (process.argv.includes('--check')) {
+    let committed: string | null = null
+    try {
+      committed = readFileSync(resolve(root, OUT), 'utf8')
+    } catch {
+      // Only ENOENT (not yet generated) is expected; a present-but-unreadable
+      // file is not a state this repo produces, and the remedy is the same.
+      committed = null
+    }
+    if (committed === content) {
+      console.log(`gen-third-party-notices: ${OUT} is up to date.`)
+      process.exit(0)
+    }
+    console.error(`gen-third-party-notices: ${OUT} is stale. Run \`pnpm run gen-third-party-notices\` and commit ${OUT}.`)
+    process.exit(1)
+  }
+
+  writeFileSync(resolve(root, OUT), content)
+  console.log(`gen-third-party-notices: wrote ${OUT}.`)
+}
+
+// Run only when invoked as a script, not when imported by a test.
+if (process.argv[1] !== undefined && import.meta.filename === resolve(process.argv[1])) {
+  main()
+}
diff --git a/scripts/install-lefthook.mjs b/scripts/install-lefthook.mjs
index 9e8d02bd14..0f840de9c8 100644
--- a/scripts/install-lefthook.mjs
+++ b/scripts/install-lefthook.mjs
@@ -1,6 +1,17 @@
 #!/usr/bin/env node
 import { randomUUID } from 'node:crypto'
-import { existsSync, lstatSync, mkdirSync, readdirSync, readFileSync, unlinkSync, writeFileSync } from 'node:fs'
+import {
+  closeSync,
+  existsSync,
+  fstatSync,
+  lstatSync,
+  mkdirSync,
+  openSync,
+  readdirSync,
+  readFileSync,
+  unlinkSync,
+  writeFileSync,
+} from 'node:fs'
 import { spawnSync } from 'node:child_process'
 import { dirname, isAbsolute, join, resolve } from 'node:path'
 import lefthookPackage from 'lefthook/package.json' with { type: 'json' }
@@ -12,6 +23,7 @@ const OWNERSHIP_MARKER_VERSION = 1
 const OWNERSHIP_MARKER_OWNER = 'deepseek-harness worktree-local lefthook hooks'
 const INSTALL_LOCK = 'dsh-lefthook-install.lock'
 const INSTALL_LOCK_TIMEOUT_MS = 30_000
+const INSTALL_LOCK_INITIALIZATION_TIMEOUT_MS = 1_000
 const INSTALL_LOCK_POLL_MS = 50
 const ALLOW_HOOKS_PATH_OVERRIDE = 'DSH_LEFTHOOK_ALLOW_HOOKS_PATH_OVERRIDE'
 const REPOSITORY_EXTENSION_PATTERN = '^extensions\\.'
@@ -304,6 +316,11 @@ function parseInstallLock(record) {
   return Number.isSafeInteger(owner) ? owner : undefined
 }
 
+function installLockRecordMayBeIncomplete(record) {
+  // Exclusive creation exposes the inode before its owner record is fully written.
+  return record === '' || (!record.endsWith('\n') && /^[1-9]\d*(?: [0-9a-f-]*)?$/i.test(record))
+}
+
 function lockOwnerIsAlive(owner) {
   try {
     process.kill(owner, 0)
@@ -352,11 +369,29 @@ async function acquireInstallLock(commonDirectory) {
   const lockPath = join(commonDirectory, INSTALL_LOCK)
   const deadline = Date.now() + INSTALL_LOCK_TIMEOUT_MS
   const ownedRecord = `${String(process.pid)} ${randomUUID()}\n`
+  let initializingLock
   while (true) {
     try {
-      writeFileSync(lockPath, ownedRecord, { flag: 'wx', mode: 0o600 })
-      const ownedStat = installLockStat(lockPath)
-      if (ownedStat === undefined || !ownedStat.isFile() || ownedStat.isSymbolicLink()) {
+      const lockHandle = openSync(lockPath, 'wx', 0o600)
+      let ownedStat
+      try {
+        ownedStat = fstatSync(lockHandle)
+        const writeDelay = Number(process.env.DSH_TEST_LEFTHOOK_LOCK_WRITE_DELAY_MS ?? 0)
+        if (writeDelay > 0) {
+          await new Promise(resolveWait => setTimeout(resolveWait, writeDelay))
+        }
+        writeFileSync(lockHandle, ownedRecord)
+      } finally {
+        closeSync(lockHandle)
+      }
+      const publishedStat = installLockStat(lockPath)
+      if (
+        publishedStat === undefined
+        || !publishedStat.isFile()
+        || publishedStat.isSymbolicLink()
+        || publishedStat.dev !== ownedStat.dev
+        || publishedStat.ino !== ownedStat.ino
+      ) {
         throw lockOwnershipChangedError(lockPath)
       }
       return () => releaseInstallLock(lockPath, ownedRecord, ownedStat)
@@ -369,8 +404,36 @@ async function acquireInstallLock(commonDirectory) {
       }
       const existingRecord = readInstallLock(lockPath)
       if (existingRecord === undefined) continue
+      const verifiedStat = installLockStat(lockPath)
+      if (verifiedStat === undefined) continue
+      if (!verifiedStat.isFile() || verifiedStat.isSymbolicLink()) {
+        throw manualLockRecoveryError(lockPath, 'invalid')
+      }
+      if (verifiedStat.dev !== existingStat.dev || verifiedStat.ino !== existingStat.ino) continue
       const owner = parseInstallLock(existingRecord)
-      if (owner === undefined) throw manualLockRecoveryError(lockPath, 'invalid')
+      if (owner === undefined) {
+        if (!installLockRecordMayBeIncomplete(existingRecord)) {
+          throw manualLockRecoveryError(lockPath, 'invalid')
+        }
+        const now = Date.now()
+        if (
+          initializingLock === undefined
+          || initializingLock.dev !== existingStat.dev
+          || initializingLock.ino !== existingStat.ino
+        ) {
+          initializingLock = {
+            deadline: now + INSTALL_LOCK_INITIALIZATION_TIMEOUT_MS,
+            dev: existingStat.dev,
+            ino: existingStat.ino,
+          }
+        }
+        if (now >= initializingLock.deadline) {
+          throw manualLockRecoveryError(lockPath, 'invalid')
+        }
+        await new Promise(resolveWait => setTimeout(resolveWait, INSTALL_LOCK_POLL_MS))
+        continue
+      }
+      initializingLock = undefined
       if (!lockOwnerIsAlive(owner)) throw manualLockRecoveryError(lockPath, 'stale')
       if (Date.now() >= deadline) {
         throw new Error(`timed out waiting for Lefthook installer lock ${lockPath}`)
diff --git a/scripts/install-lefthook.spec.ts b/scripts/install-lefthook.spec.ts
index ac3f165cf4..ca74b91404 100644
--- a/scripts/install-lefthook.spec.ts
+++ b/scripts/install-lefthook.spec.ts
@@ -199,7 +199,7 @@ function runInstaller(
   })
 }
 
-describe('worktree-local Lefthook installer', () => {
+describe('worktree-local Lefthook installer', { timeout: 15_000 }, () => {
   for (const [label, extraEnv] of [
     ['CI', { CI: 'true' }],
     ['GitHub Actions', { GITHUB_ACTIONS: 'true' }],
@@ -310,6 +310,22 @@ describe('worktree-local Lefthook installer', () => {
     expect(existsSync(join(hooksPath(fixture, fixture.main), '.fake-lefthook-running'))).toBe(false)
   }, MULTI_PROCESS_TEST_TIMEOUT_MS)
 
+  it('waits for a concurrent installer to finish publishing its lock record', async () => {
+    const fixture = createFixture()
+    const lockPath = installLockPath(fixture)
+    const publishing = runInstaller(fixture, fixture.main, {
+      DSH_TEST_LEFTHOOK_LOCK_WRITE_DELAY_MS: '200',
+    })
+    await waitForPath(lockPath)
+    expect(readFileSync(lockPath, 'utf8')).toBe('')
+
+    const waiting = runInstaller(fixture, fixture.linked)
+    const results = await Promise.all([publishing, waiting])
+
+    for (const result of results) expect(result.status, result.stderr).toBe(0)
+    expect(existsSync(lockPath)).toBe(false)
+  })
+
   it('repairs its owned absolute hook path after the checkout moves', async () => {
     const fixture = createFixture()
     const oldRoot = fixture.main
diff --git a/scripts/project-doc-site.spec.ts b/scripts/project-doc-site.spec.ts
index 3892a0e5f3..185acf2db5 100644
--- a/scripts/project-doc-site.spec.ts
+++ b/scripts/project-doc-site.spec.ts
@@ -217,20 +217,35 @@ describe('docsPages locale routes', () => {
       expect(english?.section).toBe('Cordis Core API')
     }
   })
+
+  it('includes persistence event headings in both locale outlines', () => {
+    const pages = docsPages.filter(page => page.source === 'docs/persistence-catalog.md')
+    expect(pages).toHaveLength(2)
+    expect(pages.map(page => page.outline)).toEqual(['deep', 'deep'])
+  })
 })
 
 describe('addProjectionFrontmatter', () => {
   it('adds frontmatter to an ordinary Markdown page', () => {
-    expect(addProjectionFrontmatter('# Guide\n', 'docs/guide.md')).toBe(
+    expect(addProjectionFrontmatter('# Guide\n', { source: 'docs/guide.md' })).toBe(
       '---\neditSource: "docs/guide.md"\n---\n\n# Guide\n',
     )
   })
 
   it('extends existing VitePress frontmatter', () => {
-    expect(addProjectionFrontmatter('---\nlayout: home\n---\n', 'docs/index.md')).toBe(
+    expect(addProjectionFrontmatter('---\nlayout: home\n---\n', { source: 'docs/index.md' })).toBe(
       '---\neditSource: "docs/index.md"\nlayout: home\n---\n',
     )
   })
+
+  it('adds the page-specific outline depth from the publication manifest', () => {
+    expect(addProjectionFrontmatter('# Catalog\n', {
+      source: 'docs/catalog.md',
+      outline: [2, 4],
+    })).toBe(
+      '---\neditSource: "docs/catalog.md"\noutline: [2,4]\n---\n\n# Catalog\n',
+    )
+  })
 })
 
 describe('projectedPageContent', () => {
diff --git a/scripts/project-doc-site.ts b/scripts/project-doc-site.ts
index 8d68aac7a6..592bbcfdee 100644
--- a/scripts/project-doc-site.ts
+++ b/scripts/project-doc-site.ts
@@ -259,13 +259,16 @@ export function rewriteMarkdown(source: string, options: RewriteMarkdownOptions)
  * Record the canonical edit target in VitePress frontmatter.
  *
  * @param markdown Projected Markdown content.
- * @param sourcePath Repository-relative canonical source path.
- * @returns Markdown with an `editSource` frontmatter field.
+ * @param page Publication manifest entry for the content.
+ * @returns Markdown with projection-owned frontmatter fields.
  */
-export function addProjectionFrontmatter(markdown: string, sourcePath: string): string {
-  const field = `editSource: ${JSON.stringify(sourcePath)}`
-  if (markdown.startsWith('---\n')) return markdown.replace('---\n', `---\n${field}\n`)
-  return `---\n${field}\n---\n\n${markdown}`
+export function addProjectionFrontmatter(markdown: string, page: Pick<DocsPage, 'source' | 'outline'>): string {
+  const fields = [
+    `editSource: ${JSON.stringify(page.source)}`,
+    ...(page.outline === undefined ? [] : [`outline: ${JSON.stringify(page.outline)}`]),
+  ].join('\n')
+  if (markdown.startsWith('---\n')) return markdown.replace('---\n', `---\n${fields}\n`)
+  return `---\n${fields}\n---\n\n${markdown}`
 }
 
 /**
@@ -317,6 +320,6 @@ export function projectDocs(): void {
       repoRoot: root,
       repositoryRef,
     })
-    writeFileSync(output, addProjectionFrontmatter(projectedPageContent(projected, page), page.source))
+    writeFileSync(output, addProjectionFrontmatter(projectedPageContent(projected, page), page))
   }
 }
diff --git a/scripts/run-gates.spec.ts b/scripts/run-gates.spec.ts
index a4ea97ce31..d7fb7e1b13 100644
--- a/scripts/run-gates.spec.ts
+++ b/scripts/run-gates.spec.ts
@@ -135,6 +135,23 @@ describe('Oxlint gate', () => {
   })
 })
 
+describe('Node compatibility graph', () => {
+  it('runs the jsdom environment smoke on every advertised Node line', () => {
+    const subject = withPnpmEntrypoint(() => gatesForMode('node-compat'))
+
+    expect(subject.find(item => item.id === 'vitest-jsdom-smoke')).toMatchObject({
+      label: 'Vitest jsdom smoke',
+      args: [
+        '/private/pnpm.cjs',
+        'exec',
+        'vitest',
+        'run',
+        'scripts/vitest-environment.compat.spec.ts',
+      ],
+    })
+  })
+})
+
 describe('Node 24 lane ownership', () => {
   it('keeps the static lane source-only', () => {
     const subject = withPnpmEntrypoint(() => gatesForMode('ci-static'))
diff --git a/scripts/run-gates.ts b/scripts/run-gates.ts
index 5d5eb46285..f2173478f1 100644
--- a/scripts/run-gates.ts
+++ b/scripts/run-gates.ts
@@ -270,14 +270,27 @@ function ciPrimaryGates(): Gate[] {
 }
 
 function nodeCompatGates(): Gate[] {
+  const typecheck = flagEnabled('DSH_NODE_COMPAT_SKIP_TYPECHECK')
+    ? []
+    : [pnpmScript('typecheck', 'typecheck')]
+  if (runningNodeMajor() !== 22) {
+    return [...typecheck, ...nodeCompatSmokeGates()]
+  }
   return [
-    ...flagEnabled('DSH_NODE_COMPAT_SKIP_TYPECHECK') ? [] : [pnpmScript('typecheck', 'typecheck')],
-    ...nodeCompatSmokeGates(),
+    ...typecheck,
+    pnpmScript('build', 'build', {
+      ...typecheck.length === 0 ? {} : { needs: ['typecheck'] },
+    }),
+    pnpmScript('build:web', 'build:web', {
+      label: 'Web frontend build',
+      needs: ['build'],
+    }),
+    ...nodeCompatSmokeGates({ cliSmoke: true }),
   ]
 }
 
-function nodeCompatSmokeGates(): Gate[] {
-  return [
+function nodeCompatSmokeGates(options: { cliSmoke?: boolean } = {}): Gate[] {
+  const gates: Gate[] = [
     pnpmExec('source-worker-smoke', [
       'vitest',
       'run',
@@ -293,7 +306,35 @@ function nodeCompatSmokeGates(): Gate[] {
       'run',
       'apps/cli/tests/source-launch.compat.spec.ts',
     ], { label: 'dsh source-launch smoke' }),
+    pnpmExec('vitest-jsdom-smoke', [
+      'vitest',
+      'run',
+      'scripts/vitest-environment.compat.spec.ts',
+    ], { label: 'Vitest jsdom smoke' }),
   ]
+  if (options.cliSmoke) {
+    gates.push(
+      pnpmExec('cli-lazy-search-startup-smoke', [
+        'vitest',
+        'run',
+        'apps/cli/tests/lazy-search-startup.compat.spec.ts',
+      ], {
+        label: 'CLI lazy-search startup smoke',
+        env: { DSH_REQUIRE_BUILT_CLI_SMOKE: '1' },
+        needs: ['build:web'],
+      }),
+    )
+  }
+  return gates
+}
+
+/** Active Node major used to scope version-specific compatibility contracts. */
+function runningNodeMajor(): number {
+  const major = Number.parseInt(process.versions.node.split('.')[0] ?? '', 10)
+  if (!Number.isSafeInteger(major)) {
+    throw new Error(`run-gates: cannot parse Node version ${JSON.stringify(process.versions.node)}.`)
+  }
+  return major
 }
 
 function ciStaticGates(options: { ownsBuild: boolean }): Gate[] {
diff --git a/scripts/snapshots/translation-prompt-v4/request-response.expected.json b/scripts/snapshots/translation-prompt-v4/request-response.expected.json
index 46782f3dca..d6aa4708ea 100644
--- a/scripts/snapshots/translation-prompt-v4/request-response.expected.json
+++ b/scripts/snapshots/translation-prompt-v4/request-response.expected.json
@@ -8,19 +8,19 @@
       },
       {
         "role": "user",
-        "content": "# DeepSeek Harness\n\nEnglish | [中文](README.zh.md)\n\nDeepSeek Harness (`dsh`) is an open-source coding agent built on the DeepSeek Harness SDK.\n\nIt uses an architecture where **everything is a plugin**.\n\n## Install\n\nInstall `dsh` with one command:\n\n```sh\ncurl -fsSL https://raw.githubusercontent.com/deepseek-harness/deepseek-harness/master/scripts/install.sh | sh\n```\n\nThe installer requires `git` and Node `^22.19 || >=24`, offers to install `pnpm` when it is missing, and prompts for a DeepSeek API key.\n\nThe installer keeps every checkout under `~/.dsh/source`: the master clone at `~/.dsh/source/master` and each install's staging checkout as a git worktree `~/.dsh/source/staging-<timestamp>`. The stable symlink `~/.dsh/source/current` points at the active staging worktree, and `dsh` in `~/.local/bin` links to `current/bin/dsh`, so an upgrade repoints one symlink and the `dsh` on PATH never moves. Re-running the command adds a fresh staging worktree from an updated master and repoints `current` at it. See [`scripts/install.sh`](scripts/install.sh) for alternate install locations and other options.\n\n## Use DeepSeek Harness\n\n### Web UI\n\nFor the recommended local interface, build the frontend after installation and after each update, then start the Web UI. Resolve the running checkout from the `dsh` launcher so the command holds regardless of which staging worktree is current (the launcher resolves through the stable `current` symlink):\n\n```sh\ndsh_bin=$(cd \"$(dirname \"$(command -v dsh)\")\" && pwd -P)/$(basename \"$(command -v dsh)\")\nwhile [ -L \"$dsh_bin\" ]; do\n  link=$(readlink \"$dsh_bin\")\n  case $link in /*) dsh_bin=$link ;; *) dsh_bin=$(cd \"$(dirname \"$dsh_bin\")\" && cd \"$(dirname \"$link\")\" && pwd -P)/$(basename \"$link\") ;; esac\ndone\ndsh_dir=$(cd \"$(dirname \"$dsh_bin\")/..\" && pwd -P)\npnpm --dir \"$dsh_dir\" run build && pnpm --dir \"$dsh_dir\" run build:web\ndsh web\n```\n\nThe Web UI is served at `http://127.0.0.1:3080` by default.\n\n### TUI\n\nStart the full-screen terminal interface:\n\n```sh\ndsh\n```\n\n### Headless\n\nRun one task, print the final answer, and exit:\n\n```sh\ndsh -p \"summarize this workspace\"\n```\n\n## Why DeepSeek Harness\n\nBuilt-in capabilities cover file reading, editing, and search; shell execution; reusable skills; task tracking; subagents and workflows; persistent sessions; and context compaction. The TUI also includes Plan Mode.\n\n- **Everything is a plugin.** Models, tools, policies, storage, context management, and interfaces are composable [Cordis plugins](docs/user/develop/basic/index.md), so deployments can extend or replace behavior without forking the agent loop. See the [architecture](docs/architecture.md) for the underlying design.\n- **Code Mode (opt-in).** It exposes a `run_code` tool and a generated TypeScript SDK; only program output re-enters model context. See [Code Mode](packages/core/tools/README.md#code-mode).\n- **Self-referential Cordis tools are opt-in.** They let the agent inspect its live runtime and mount or unmount plugins while it runs. See the [Cordis tools](packages/cordis/tool-cordis/README.md).\n\n## Community\n\nFollow <a href=\"https://x.com/Deepseekharness\">DeepSeek Harness on Twitter</a> for project updates.\n\n## Development\n\n```sh\npnpm install\npnpm run test:coverage\n```\n\nStart with the [development guide](docs/development.md) and read the [architecture](docs/architecture.md) before changing packages.\n\nFor agents, follow [AGENTS.md](AGENTS.md).\n\nDeepSeek Harness is currently pre-release.\n\n## License\n\n[BSD 3-Clause](LICENSE)\n"
+        "content": "# DeepSeek Harness\n\nEnglish | [中文](README.zh.md)\n\nDeepSeek Harness (`dsh`) is an open-source coding agent built on the DeepSeek Harness SDK.\n\nIt uses an architecture where **everything is a plugin**.\n\n## Internal testing notice\n\n感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部测试阶段，功能仍待完善，体验难免有些粗糙。\n\n“如切如磋，如琢如磨。” 产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实使用中发现的问题，也可能促使我们重新审视，甚至推翻已有的设计。\n\n为了帮助我们更准确地还原您真实使用中的问题，内测版本默认会上传所有 Session Log；如需关闭，可以设置环境变量 `DSH_TELEMETRY_DISABLED=1`。另外，如果您有任何反馈与建议，请在企业微信群中留言告诉我们。每一条反馈，都会帮助我们把它打磨得更好。\n\n## Install\n\nClone the repository, then run the installer:\n\n```sh\ngit clone <repo-url>\ncd deepseek-harness\nscripts/install.sh\n```\n\nThe installer requires `git` and Node `^22.19 || >=24`, offers to install `pnpm` when it is missing, and prompts for a DeepSeek API key.\n\nThe installer keeps every checkout under `~/.dsh/source`: the master clone at `~/.dsh/source/master` and each install's staging checkout as a git worktree `~/.dsh/source/staging-<timestamp>`. The stable symlink `~/.dsh/source/current` points at the active staging worktree, and `dsh` in `~/.local/bin` links to `current/bin/dsh`, so an upgrade repoints one symlink and the `dsh` on PATH never moves. Re-running the command adds a fresh staging worktree from an updated master and repoints `current` at it. See [`scripts/install.sh`](scripts/install.sh) for alternate install locations and other options.\n\n## Use DeepSeek Harness\n\n### Web UI\n\nFor the recommended local interface, build the active checkout after installation and after each update, then start the Web UI:\n\n```sh\n(cd ~/.dsh/source/current && pnpm run build)\ndsh web\n```\n\nThe full build produces the library and client bundles plus the frontend dist. The path above is the installer's default. If you set `DSH_SOURCE` or `DSH_CURRENT`, or reused an existing checkout, replace `~/.dsh/source/current` with that checkout path; see [`scripts/install.sh`](scripts/install.sh) for details. The Web UI is served at `http://127.0.0.1:3080` by default.\n\n### TUI\n\nStart the full-screen terminal interface:\n\n```sh\ndsh\n```\n\n### Headless\n\nRun one task, print the final answer, and exit:\n\n```sh\ndsh -p \"summarize this workspace\"\n```\n\n### Automation and SDKs\n\nFrom a source checkout with `DEEPSEEK_API_KEY` in the environment or its root `.env`, start the ACP automation server:\n\n```sh\npnpm run demo:acp\n```\n\nThe [Python SDK](python/README.md) drives a bundled JSON-RPC runtime. The [examples](examples/README.md) cover the runnable headless, ACP, JSON-RPC, Code Mode, and self-referential compositions.\n\n## Why DeepSeek Harness\n\nBuilt-in capabilities cover file reading, editing, and search; shell and persistent PTY execution; reusable skills; task tracking, goals, plans, todos, and background tasks; subagents and workflows; sandboxing and approvals; settings and credentials; persistent, resumable, forkable, and queryable sessions; LSP and web access; context compaction; and telemetry. Each composition selects the subset appropriate to its surface. The TUI and Web UI both include Plan Mode.\n\n- **Everything is a plugin.** Models, tools, policies, storage, context management, and interfaces are composable [Cordis plugins](docs/user/develop/basic/index.md), so deployments can extend or replace behavior without forking the agent loop. See the [architecture](docs/architecture.md) for the underlying design.\n- **Runs are reconstructable.** Anything visible to the model is logged in the authoritative session stream; persistence, resume/fork/query, replay, telemetry, and UIs derive from the same events. See the [session-log architecture](docs/architecture.md#session-log).\n- **Code Mode (opt-in).** It exposes a `run_code` tool and a generated TypeScript SDK; only program output re-enters model context. See [Code Mode](packages/core/tools/README.md#code-mode).\n- **Self-referential Cordis tools are opt-in.** They let the agent inspect its live runtime and mount or unmount plugins while it runs. See the [Cordis tools](packages/cordis/tool-cordis/README.md).\n\n## Community\n\nFollow <a href=\"https://x.com/Deepseekharness\">DeepSeek Harness on Twitter</a> for project updates.\n\n## Development\n\n```sh\npnpm install\npnpm run test:coverage\n```\n\nStart with the [development guide](docs/development.md) and read the [architecture](docs/architecture.md) before changing packages.\n\nFor agents, follow [AGENTS.md](AGENTS.md).\n\nDeepSeek Harness is currently in internal testing.\n\n## License\n\n[BSD 3-Clause](LICENSE)\n\nThird-party dependencies and their licenses are disclosed in [THIRD_PARTY_NOTICES.md](THIRD_PARTY_NOTICES.md).\n"
       },
       {
         "role": "assistant",
-        "content": "# DeepSeek Harness\n\n[English](README.md) | 中文\n\nDeepSeek Harness（`dsh`）是一款基于 DeepSeek Harness SDK 构建的开源 coding agent（编程智能体）。\n\n它采用了**一切皆插件**的架构。\n\n## 安装\n\n使用一条命令安装 `dsh`：\n\n```sh\ncurl -fsSL https://raw.githubusercontent.com/deepseek-harness/deepseek-harness/master/scripts/install.sh | sh\n```\n\n安装器要求系统已安装 `git` 和 Node `^22.19 || >=24`，缺少 `pnpm` 时可代为安装，并会提示输入 DeepSeek API 密钥。\n\n安装器会把所有检出都放在 `~/.dsh/source` 下：master 克隆位于 `~/.dsh/source/master`，每次安装的 staging 检出是一个 git worktree `~/.dsh/source/staging-<时间戳>`。稳定符号链接 `~/.dsh/source/current` 指向当前生效的 staging worktree，`~/.local/bin` 中的 `dsh` 链接到 `current/bin/dsh`，因此升级只需重指一个符号链接，PATH 上的 `dsh` 从不移动。再次运行该命令会基于更新后的 master 新增一个 staging worktree，并把 `current` 重指到它。其他安装位置和选项见 [`scripts/install.sh`](scripts/install.sh)。\n\n## 使用 DeepSeek Harness\n\n### Web UI\n\n推荐在本地使用 Web UI。安装完成后以及每次更新后，请先构建前端，再启动 Web UI。通过 `dsh` 启动器解析当前运行的检出，这样无论当前是哪个 staging worktree，命令都成立（启动器会经由稳定的 `current` 符号链接解析）：\n\n```sh\ndsh_bin=$(cd \"$(dirname \"$(command -v dsh)\")\" && pwd -P)/$(basename \"$(command -v dsh)\")\nwhile [ -L \"$dsh_bin\" ]; do\n  link=$(readlink \"$dsh_bin\")\n  case $link in /*) dsh_bin=$link ;; *) dsh_bin=$(cd \"$(dirname \"$dsh_bin\")\" && cd \"$(dirname \"$link\")\" && pwd -P)/$(basename \"$link\") ;; esac\ndone\ndsh_dir=$(cd \"$(dirname \"$dsh_bin\")/..\" && pwd -P)\npnpm --dir \"$dsh_dir\" run build && pnpm --dir \"$dsh_dir\" run build:web\ndsh web\n```\n\nWeb UI 默认通过 `http://127.0.0.1:3080` 提供服务。\n\n### TUI\n\n启动全屏终端界面：\n\n```sh\ndsh\n```\n\n### Headless\n\n运行一项任务，打印最终答案后退出：\n\n```sh\ndsh -p \"summarize this workspace\"\n```\n\n## 为什么选择 DeepSeek Harness\n\n内置功能涵盖文件读取、编辑与搜索、shell 执行、可复用 skill（技能）、任务跟踪、subagent 与工作流、持久化会话，以及上下文压缩（context compaction）。TUI 还包含 Plan Mode。\n\n- **一切皆插件。** 模型、工具、策略、存储、上下文管理和界面均可组合为 [Cordis 插件](docs/user/develop/basic/index.md)，部署方无需 fork agent loop（智能体循环）即可扩展或替换行为。底层设计见[架构文档](docs/architecture.md)。\n- **Code Mode（需显式启用）。** 它会提供 `run_code` 工具和生成的 TypeScript SDK，只有程序输出会重新进入模型上下文。参见 [Code Mode](packages/core/tools/README.md#code-mode)。\n- **自指 Cordis 工具需显式启用。** 这些工具可让 agent 检查自身的实时运行时，并在运行中挂载或卸载插件。参见 [Cordis 工具](packages/cordis/tool-cordis/README.md)。\n\n## 社区\n\n扫描二维码，或打开 <a href=\"https://wj.qq.com/s2/27234598/03eb/\">DeepSeek Harness 微信社区申请页面</a> 申请加入。\n\n<p>\n  <img src=\"assets/community-wecom-survey.png\" alt=\"DeepSeek Harness 微信社区二维码\" width=\"240\">\n</p>\n\n## 开发\n\n```sh\npnpm install\npnpm run test:coverage\n```\n\n请先阅读[开发指南](docs/development.md)；修改包之前，请阅读[架构文档](docs/architecture.md)。\n\n面向 agent：遵循 [AGENTS.md](AGENTS.md)。\n\nDeepSeek Harness 目前处于预发布阶段。\n\n## 许可证\n\n[BSD 3-Clause](LICENSE)\n"
+        "content": "# DeepSeek Harness\n\n[English](README.md) | 中文\n\nDeepSeek Harness（`dsh`）是一款基于 DeepSeek Harness SDK 构建的开源 coding agent（编程智能体）。\n\n它采用了**一切皆插件**的架构。\n\n## 内测声明\n\n感谢您愿意拨冗试用 DeepSeek Harness。当前版本仍处于内部测试阶段，功能仍待完善，体验难免有些粗糙。\n\n“如切如磋，如琢如磨。” 产品的成长，离不开一次次真实的碰撞与坦诚的反馈。您在真实使用中发现的问题，也可能促使我们重新审视，甚至推翻已有的设计。\n\n为了帮助我们更准确地还原您真实使用中的问题，内测版本默认会上传所有 Session Log；如需关闭，可以设置环境变量 `DSH_TELEMETRY_DISABLED=1`。另外，如果您有任何反馈与建议，请在企业微信群中留言告诉我们。每一条反馈，都会帮助我们把它打磨得更好。\n\n## 安装\n\n克隆仓库，然后运行安装器：\n\n```sh\ngit clone <repo-url>\ncd deepseek-harness\nscripts/install.sh\n```\n\n安装器要求系统已安装 `git` 和 Node `^22.19 || >=24`，缺少 `pnpm` 时可代为安装，并会提示输入 DeepSeek API 密钥。\n\n安装器会把所有检出都放在 `~/.dsh/source` 下：master 克隆位于 `~/.dsh/source/master`，每次安装的 staging 检出是一个 git worktree `~/.dsh/source/staging-<时间戳>`。稳定符号链接 `~/.dsh/source/current` 指向当前生效的 staging worktree，`~/.local/bin` 中的 `dsh` 链接到 `current/bin/dsh`，因此升级只需重指一个符号链接，PATH 上的 `dsh` 从不移动。再次运行该命令会基于更新后的 master 新增一个 staging worktree，并把 `current` 重指到它。其他安装位置和选项见 [`scripts/install.sh`](scripts/install.sh)。\n\n## 使用 DeepSeek Harness\n\n### Web UI\n\n推荐在本地使用 Web UI。安装完成后以及每次更新后，请先构建当前生效的检出，再启动 Web UI：\n\n```sh\n(cd ~/.dsh/source/current && pnpm run build)\ndsh web\n```\n\n完整构建会生成库与客户端 bundle，以及前端 dist。上述路径是安装器的默认位置。如果你设置过 `DSH_SOURCE` 或 `DSH_CURRENT`，或者复用了已有检出，请把 `~/.dsh/source/current` 换成该检出路径；详情见 [`scripts/install.sh`](scripts/install.sh)。Web UI 默认通过 `http://127.0.0.1:3080` 提供服务。\n\n### TUI\n\n启动全屏终端界面：\n\n```sh\ndsh\n```\n\n### Headless\n\n运行一项任务，打印最终答案后退出：\n\n```sh\ndsh -p \"summarize this workspace\"\n```\n\n### 自动化与 SDK\n\n在源码检出中通过环境变量或根目录 `.env` 设置 `DEEPSEEK_API_KEY`，然后启动 ACP（Agent Client Protocol）自动化服务器：\n\n```sh\npnpm run demo:acp\n```\n\n[Python SDK](python/README.md) 驱动随附的 JSON-RPC 运行时。[示例](examples/README.md)涵盖可运行的 headless、ACP、JSON-RPC、Code Mode 和自指组合。\n\n## 为什么选择 DeepSeek Harness\n\n内置功能涵盖文件读取、编辑与搜索、shell 和持久 PTY 执行、可复用 skill（技能）、任务跟踪、目标、计划、待办事项与后台任务、subagent 与工作流、沙箱与审批、设置与凭据、可持久化、恢复、fork 与查询的会话、LSP 与 Web 访问、上下文压缩（context compaction），以及遥测。每个组合只选用适合其使用方式的能力子集。TUI 与 Web UI 均包含 Plan Mode。\n\n- **一切皆插件。** 模型、工具、策略、存储、上下文管理和界面均可组合为 [Cordis 插件](docs/user/develop/basic/index.md)，部署方无需 fork agent loop（智能体循环）即可扩展或替换行为。底层设计见[架构文档](docs/architecture.md)。\n- **运行可重建。** 凡是模型可见的内容，都会记录在权威会话流中；持久化、恢复／fork／查询、回放、遥测和 UI 均从同一组事件派生。参见[会话日志架构](docs/architecture.md#session-log)。\n- **Code Mode（需显式启用）。** 它会提供 `run_code` 工具和生成的 TypeScript SDK，只有程序输出会重新进入模型上下文。参见 [Code Mode](packages/core/tools/README.md#code-mode)。\n- **自指 Cordis 工具需显式启用。** 这些工具可让 agent 检查自身的实时运行时，并在运行中挂载或卸载插件。参见 [Cordis 工具](packages/cordis/tool-cordis/README.md)。\n\n## 社区\n\n扫描二维码，或打开 <a href=\"https://wj.qq.com/s2/27234598/03eb/\">DeepSeek Harness 微信社区申请页面</a> 申请加入。\n\n<p>\n  <img src=\"assets/community-wecom-survey.png\" alt=\"DeepSeek Harness 微信社区二维码\" width=\"240\">\n</p>\n\n## 开发\n\n```sh\npnpm install\npnpm run test:coverage\n```\n\n请先阅读[开发指南](docs/development.md)；修改包之前，请阅读[架构文档](docs/architecture.md)。\n\n面向 agent：遵循 [AGENTS.md](AGENTS.md)。\n\nDeepSeek Harness 目前处于内测阶段。\n\n## 许可证\n\n[BSD 3-Clause](LICENSE)\n\n第三方依赖及其许可证在 [THIRD_PARTY_NOTICES.md](THIRD_PARTY_NOTICES.md) 中披露。\n"
       },
       {
         "role": "user",
-        "content": "# Development guide\n\nEnglish | [中文](development.zh.md)\n\nThis onboarding guide helps project contributors get started with the local environment, daily workflow, and CI flow; see the Agent Notes for design rationale and technical trade-offs.\n\n## Prerequisites\n\n- Node.js supports 22.19+ and 24+. CI covers 22.19, 24, and 26; see the [Node engine floor Agent Note](../.agents/notes/implemented/process/2026-07-06-node-engine-floor.md).\n- Corepack-enabled pnpm. The repo pins `pnpm@11.7.0` in `package.json`; run `corepack enable` if `pnpm --version` does not resolve through Corepack.\n- Git 2.26 or newer; hook setup enables Git's worktree-specific configuration extension.\n- Optional: a DeepSeek API key for the TUI, headless, and ACP automation demos and real-API e2e tests.\n\n## First-time setup\n\nInstall dependencies from the repo root:\n\n```sh\npnpm install\n```\n\nThe install also runs the root `postinstall` script, which installs lefthook from the repo dev dependency through `scripts/install-lefthook.mjs`. With `CI=true` or `GITHUB_ACTIONS=true`, the wrapper returns before Git discovery because automated jobs do not consume contributor hooks. Otherwise, it requires Git 2.26 or newer and gives the current worktree an explicit hook directory under its own Git directory; linked worktrees therefore use their own lefthook binary and configuration instead of rewriting common hooks. The first install enables Git's worktree-specific configuration extension and repository format 1; see the [worktree-local hooks Agent Note](../.agents/notes/implemented/process/2026-07-27-worktree-local-lefthook.md).\n\nIf hooks are missing because dependencies were restored from cache or `postinstall` was skipped, install them manually:\n\n```sh\nnode scripts/install-lefthook.mjs\n```\n\nThe wrapper refuses user-owned `core.hooksPath` values. An inherited system, global, or common-repository path requires `DSH_LEFTHOOK_ALLOW_HOOKS_PATH_OVERRIDE=1`. When Git seeds a new worktree with another registered worktree's marker-backed hook path, the wrapper replaces that copied value with the new worktree's own path; command-scoped and other worktree-scoped paths must be integrated or removed explicitly.\n\nBefore enabling worktree config, migrate direct `extensions.*` in a format-0 common config, direct `core.worktree` or `core.bare=true`, and any non-empty dormant `config.worktree`. The common config and every worktree config must be regular files, while the owned hook directory may contain only unaliased regular files.\n\nAfter moving a checkout, rerun the wrapper to relocate its owned path and regenerate hooks. For a stale or invalid installer lock, first confirm no installer is running, then remove the reported lock and retry. If installation and hook-path rollback both fail, inspect the reported worktree config before retrying. The [worktree-local hooks Agent Note](../.agents/notes/implemented/process/2026-07-27-worktree-local-lefthook.md) owns the full safety contract.\n\nRun typecheck once after a fresh clone:\n\n```sh\npnpm run typecheck\n```\n\nThat first typecheck runs the whole-repo `tsc -b` graph: it emits every package/vendor `lib/types` and checks examples, tests, and scripts through the two no-emit aggregates described below.\n\n## TypeScript project layout\n\nThe repository's TypeScript configuration has exactly three roles; every tsconfig file plays one of them.\n\n| File | Role | Forms a program? |\n|---|---|---|\n| `tsconfig.json` | Solution root: `extends` base, `files: []`, references to the two aggregates. The whole-repo `tsc -b tsconfig.json` graph, the tsserver discovery entry, and — through the inherited `paths` — the resolution config for tsx running `examples/` and `scripts/` (their nearest tsconfig is this file). | No |\n| `tsconfig.host.json` | Host aggregate: host-side packages (via references), examples, tests, scripts, website. Excludes `packages/client`. | Yes |\n| `tsconfig.client.json` | Client aggregate: `packages/client/*` packages and their tests, `apps/web`. | Yes |\n| `tsconfig.base.json` | Shared compilerOptions and the source `paths` map. Also the resolution facade the vitest configs point vite-tsconfig-paths at: it has no `include`, so its `paths` apply to every importer. | No |\n| `tsconfig.base.client.json` | Browser compiler shape (`jsx`, DOM libs, `types: []`) extended by the client aggregate and every `packages/client/*` package. | No |\n\nHost and client stay two aggregate programs because both sides declaration-merge the cordis `Context` interface under the same keys with different services; one program seeing both merges reports a collision. The collision exists only inside a `ts.Program` — module resolution never triggers it — which is why the solution may reference both aggregates and one paths facade may span both sides. Two disciplines follow:\n\n- `tsconfig.base.json` never gains `include` or `files`: they would leak into every extending package project and narrow the facade's match-all scope.\n- A script that builds a repo-wide `ts.Program` seeds `tsconfig.host.json` or `tsconfig.client.json` explicitly — never the root solution, because flattening both aggregates into one program collides the `Context` merges. Program-backed generators and gates (`scripts/ts-project.ts` consumers, doc-typecheck standalone mode) are host-only by decision; the client side gains program-backed tooling only with a concrete need.\n\nStatic analysis and tests resolve workspace imports through the base `paths` map to `src` and must pass on a clean tree; gates that consume built `lib/` output declare that dependency explicitly. Decision record: [solution-root note](../.agents/notes/implemented/process/2026-07-22-tsconfig-solution-root-two-aggregates.md); the tsc-first emit pipeline is the [ts-build-config note](../.agents/notes/implemented/process/2026-06-17-ts-build-config.md).\n\nIf a relevant local check consumes built package output, build once first:\n\n```sh\npnpm run build\n```\n\n`pnpm run hygiene` includes `publint`, which validates package entrypoints against the built `lib/*.js` files, and `verify-node-next-types`, which validates built declarations against a temporary NodeNext consumer. A fresh worktree has no bundled JS or declarations until `pnpm run build` runs; ordinary commits and pushes do not require that build unless their selected checks consume it.\n\n## Environment variables\n\nThe real DeepSeek adapter and key-backed agent demos read credentials from the environment or from a gitignored `.env` at the repo root:\n\n```sh\nDEEPSEEK_API_KEY=sk-...\nDEEPSEEK_BASE_URL=https://... # optional\n```\n\n`DEEPSEEK_BASE_URL` is optional and defaults to the public API. Never commit real credentials. The real-API e2e suites self-skip when `DEEPSEEK_API_KEY` is not set.\n\n## Git hooks\n\nlefthook is configured in `lefthook.yml` as a fast local checkpoint:\n\n- `pre-commit` applies formatting-only ESLint fixes, validates the staged files with Oxlint and applies its native fixes, checks the staged diff for whitespace errors, and runs the vendor manifest guard.\n- `pre-push` runs only the incremental repository typecheck (`tsc -b` over the root solution, covering both the host and client aggregates).\n\nThe vendor manifest guard checks that changes under `vendor/*/src` are staged with the matching `vendor/README.md` manifest update. See `vendor/README.md` before editing vendored code.\n\nThe hooks intentionally do not run tests, snapshots, documentation checks, builds, or hygiene. Contributors run the [checks relevant to the changed behavior](../AGENTS.md#run-relevant-checks-locally) once; CI owns exhaustive coverage, built-artifact smokes, and the Node 22.19, 24, and 26 compatibility matrix.\n\nContributors can opt into the comprehensive local gate set with `pnpm run check:all`. The command is independent of both Git hooks and is not an agent instruction.\n\n## CI gates\n\nThe keyless [CI workflow](../.github/workflows/ci.yml) groups independent gates into broad lanes and runs a smaller compatibility signal across supported Node versions. Artifact consumers wait for one build within their lane. The separate real-API workflow runs `pnpm run test:e2e` with its configured worker bound. See [scripts/run-gates.ts](../scripts/run-gates.ts) and the workflow files for the current gate and job inventory.\n\n## Daily commands\n\nUse these from the repo root:\n\n```sh\npnpm run test           # unit tests\npnpm run test:coverage  # unit tests with per-file coverage gates\npnpm run test:e2e       # real-API tests; self-skips without DEEPSEEK_API_KEY\npnpm run check:all      # comprehensive opt-in gate set; not wired to Git hooks\npnpm run typecheck      # tsc -b over the root solution: emits package/vendor lib/types, checks both aggregates\npnpm run lint           # oxlint .\npnpm run lint:fix       # formatting-only ESLint, then oxlint . --fix\npnpm run doc-typecheck  # compile checked TypeScript snippets in Markdown docs\npnpm run gen-cordis-catalog     # regenerate docs/cordis-catalog/events.md + services.md from source\npnpm run verify-cordis-catalog  # fail if either cordis catalog is stale\npnpm run verify-export-jsdoc    # fail if a module-level package export lacks complete JSDoc\npnpm run gen-doc-graphs     # regenerate generated relationship docs from source and curated graph definitions\npnpm run verify-doc-graphs  # fail if generated relationship docs are stale\npnpm run verify-md-wrap  # fail on hard-wrapped prose paragraphs in docs/README markdown\npnpm run verify-mermaid  # fail if a ```mermaid diagram has invalid Mermaid syntax\npnpm run verify-type-equiv  # fail if a ```ts type-equiv doc block drifts from its source type\npnpm run verify-doc-budgets  # fail if a budgeted standing doc exceeds its word ceiling\npnpm run gen-translation-brief   # print the minimal-update briefing for out-of-sync translation pairs (--apply splices code-only edits)\npnpm run doc-sync       # all Markdown/doc gates, scheduled concurrently; the doc-sync leaf list in scripts/run-gates.ts is the full list\npnpm run gen-module-graph     # regenerate docs/module-graph.md from package peerDeps\npnpm run verify-module-graph  # fail if docs/module-graph.md is stale\npnpm run build          # emit lib/types intermediates, then bundle lib/index.* runtime files\npnpm run verify-node-next-types  # fail if built declarations are not NodeNext-consumable\npnpm run hygiene        # knip, publint, workspace constraints, and NodeNext declaration check\n```\n\nWhen changing package public behavior, update the relevant README or JSDoc in the same change. `pnpm run doc-sync` catches checked TypeScript snippets, generated doc freshness, markdown wrap/link drift, type equivalence, translation pairing, Mermaid syntax, and doc budgets, but broader prose/API sync still needs review.\n\n## Demos\n\nThe one-shot Headless coding agent needs `DEEPSEEK_API_KEY` in the environment or repo-root `.env`:\n\n```sh\npnpm run demo:headless \"summarize this workspace\"\n```\n\nThe full-screen interactive coding agent needs `DEEPSEEK_API_KEY` in the environment or repo-root `.env`:\n\n```sh\npnpm run demo:tui\n```\n\nThe self-referential cordis demo can inspect and modify its live plugin runtime and needs the same credentials (`web` by default, or `acp`):\n\n```sh\npnpm run demo:cordis\n```\n\nThe ACP automation server exposes fresh agent sessions over JSON-RPC stdio and also needs `DEEPSEEK_API_KEY`:\n\n```sh\npnpm run demo:acp\n```\n\n## TODO markers\n\nUse one of three comment tags to flag known issues in the code, ordered by urgency:\n\n- `FIXME` — an issue that should block a new release. A release should not ship with an open `FIXME` unless reviewers explicitly agree the change can be merged anyway.\n- `TODO` — an issue that should be fixed soon, once we have the resources.\n- `XXX` — an issue that we may fix someday; lowest priority, no commitment.\n\nPick the tag that matches the urgency so anyone scanning the code can tell a release blocker from a someday-maybe.\n\n## Documenting types verbatim (`ts type-equiv`)\n\nThe [core data structures](core-data-structures/core.md) docs paste source-equivalent declarations together with their original JSDoc so a reader sees the exact shape and source contract. To keep a paste from drifting when source changes, fence it as ` ```ts type-equiv ` (instead of ` ```ts `) and register it in `scripts/type-equiv.manifest.json` with the source file and symbol it mirrors:\n\n```json\n{ \"doc\": \"docs/core-data-structures/session.md\", \"symbol\": \"SessionEvent\", \"source\": \"packages/core/session/src/types.ts\" }\n```\n\n`pnpm run verify-type-equiv` (part of `doc-sync`) then extracts that symbol's declaration and attached JSDoc from source via the TypeScript parser and asserts the block matches both. For a class whose implementation bodies do not belong in the catalog, use ` ```ts public-api ` and set `\"projection\": \"public-api\"`; the checked projection retains the public fields, constructor, accessors, methods, and original class/member JSDoc while omitting bodies and private or protected members. Comparison ignores whitespace and non-JSDoc comments but requires every original JSDoc comment, including member documentation, so readers see the source contract beside the exact shape. The gate enforces a 1:1 correspondence by document, symbol, and projection between primary blocks and manifest entries; a paired `.zh.md` block reuses its unsuffixed sibling's entry only when the whole tracked fence sequence is byte-identical and ordered identically. `doc-typecheck` applies the same derivative rule to compilable fences, while skipping both source-equivalence fence kinds from compilation and its opt-out ratio. When you change a documented declaration or its JSDoc, the gate fails until you update the paste; when you add or remove a primary block, update the manifest in the same change.\n\n## Architecture context\n\nRead `docs/architecture.md` before changing anything under `packages/`. The codebase is built around Cordis plugins, event-sourced sessions, typed service seams, and explicit extension points.\n"
+        "content": "# Development guide\n\nEnglish | [中文](development.zh.md)\n\nThis onboarding guide helps project contributors get started with the local environment, daily workflow, and CI flow; see the Agent Notes for design rationale and technical trade-offs.\n\n## Prerequisites\n\n- Node.js supports 22.19+ and 24+. CI covers 22.19, 24, and 26; see the [Node engine floor Agent Note](../.agents/notes/implemented/process/2026-07-06-node-engine-floor.md).\n- Corepack-enabled pnpm. The repo pins `pnpm@11.7.0` in `package.json`; run `corepack enable` if `pnpm --version` does not resolve through Corepack.\n- Git 2.26 or newer; hook setup enables Git's worktree-specific configuration extension.\n- Optional: a DeepSeek API key for the TUI, headless, and ACP automation demos and real-API e2e tests.\n\n## First-time setup\n\nInstall dependencies from the repo root:\n\n```sh\npnpm install\n```\n\nThe install also runs the root `postinstall` script, which installs lefthook from the repo dev dependency through `scripts/install-lefthook.mjs`. With `CI=true` or `GITHUB_ACTIONS=true`, the wrapper returns before Git discovery because automated jobs do not consume contributor hooks. Otherwise, it requires Git 2.26 or newer and gives the current worktree an explicit hook directory under its own Git directory; linked worktrees therefore use their own lefthook binary and configuration instead of rewriting common hooks. The first install enables Git's worktree-specific configuration extension and repository format 1; see the [worktree-local hooks Agent Note](../.agents/notes/implemented/process/2026-07-27-worktree-local-lefthook.md).\n\nIf hooks are missing because dependencies were restored from cache or `postinstall` was skipped, install them manually:\n\n```sh\nnode scripts/install-lefthook.mjs\n```\n\nThe wrapper refuses user-owned `core.hooksPath` values. An inherited system, global, or common-repository path requires `DSH_LEFTHOOK_ALLOW_HOOKS_PATH_OVERRIDE=1`. When Git seeds a new worktree with another registered worktree's marker-backed hook path, the wrapper replaces that copied value with the new worktree's own path; command-scoped and other worktree-scoped paths must be integrated or removed explicitly.\n\nBefore enabling worktree config, migrate direct `extensions.*` in a format-0 common config, direct `core.worktree` or `core.bare=true`, and any non-empty dormant `config.worktree`. The common config and every worktree config must be regular files, while the owned hook directory may contain only unaliased regular files.\n\nAfter moving a checkout, rerun the wrapper to relocate its owned path and regenerate hooks. For a stale or invalid installer lock, first confirm no installer is running, then remove the reported lock and retry. If installation and hook-path rollback both fail, inspect the reported worktree config before retrying. The [worktree-local hooks Agent Note](../.agents/notes/implemented/process/2026-07-27-worktree-local-lefthook.md) owns the full safety contract.\n\nRun typecheck once after a fresh clone:\n\n```sh\npnpm run typecheck\n```\n\nThat first typecheck runs the whole-repo `tsc -b` graph: it emits every package/vendor `lib/types` and checks examples, tests, and scripts through the two no-emit aggregates described below.\n\n## TypeScript project layout\n\nThe repository's TypeScript configuration has exactly three roles; every tsconfig file plays one of them.\n\n| File | Role | Forms a program? |\n|---|---|---|\n| `tsconfig.json` | Solution root: `extends` base, `files: []`, references to the two aggregates. The whole-repo `tsc -b tsconfig.json` graph, the tsserver discovery entry, and — through the inherited `paths` — the resolution config for tsx running `examples/` and `scripts/` (their nearest tsconfig is this file). | No |\n| `tsconfig.host.json` | Host aggregate: host-side packages (via references), examples, tests, scripts, website. Excludes `packages/client`. | Yes |\n| `tsconfig.client.json` | Client aggregate: `packages/client/*` packages and their tests, `apps/web`. | Yes |\n| `tsconfig.base.json` | Shared compilerOptions and the source `paths` map. Also the resolution facade the vitest configs point vite-tsconfig-paths at: it has no `include`, so its `paths` apply to every importer. | No |\n| `tsconfig.base.client.json` | Browser compiler shape (`jsx`, DOM libs, `types: []`) extended by the client aggregate and every `packages/client/*` package. | No |\n\nHost and client stay two aggregate programs because both sides declaration-merge the cordis `Context` interface under the same keys with different services; one program seeing both merges reports a collision. The collision exists only inside a `ts.Program` — module resolution never triggers it — which is why the solution may reference both aggregates and one paths facade may span both sides. Two disciplines follow:\n\n- `tsconfig.base.json` never gains `include` or `files`: they would leak into every extending package project and narrow the facade's match-all scope.\n- A script that builds a repo-wide `ts.Program` seeds `tsconfig.host.json` or `tsconfig.client.json` explicitly — never the root solution, because flattening both aggregates into one program collides the `Context` merges. Program-backed generators and gates (`scripts/ts-project.ts` consumers, doc-typecheck standalone mode) are host-only by decision; the client side gains program-backed tooling only with a concrete need.\n\nStatic analysis and tests resolve workspace imports through the base `paths` map to `src` and must pass on a clean tree; gates that consume built `lib/` output declare that dependency explicitly. Decision record: [solution-root note](../.agents/notes/implemented/process/2026-07-22-tsconfig-solution-root-two-aggregates.md); the tsc-first emit pipeline is the [ts-build-config note](../.agents/notes/implemented/process/2026-06-17-ts-build-config.md).\n\nIf a relevant local check consumes built package output, build once first:\n\n```sh\npnpm run build\n```\n\n`pnpm run hygiene` includes `publint`, which validates package entrypoints against the built `lib/*.js` files, and `verify-node-next-types`, which validates built declarations against a temporary NodeNext consumer. A fresh worktree has no bundled JS or declarations until `pnpm run build` runs; ordinary commits and pushes do not require that build unless their selected checks consume it.\n\n## Environment variables\n\nThe real DeepSeek adapter and key-backed agent demos read credentials from the environment or from a gitignored `.env` at the repo root:\n\n```sh\nDEEPSEEK_API_KEY=sk-...\nDEEPSEEK_BASE_URL=https://... # optional\n```\n\n`DEEPSEEK_BASE_URL` is optional and defaults to the public API. Never commit real credentials. The real-API e2e suites self-skip when `DEEPSEEK_API_KEY` is not set.\n\n## Git hooks\n\nlefthook is configured in `lefthook.yml` as a fast local checkpoint:\n\n- `pre-commit` applies formatting-only ESLint fixes, validates the staged files with Oxlint and applies its native fixes, regenerates `THIRD_PARTY_NOTICES.md` when a staged file is one of its inputs, checks the staged diff for whitespace errors, and runs the vendor manifest guard.\n- `pre-push` runs only the incremental repository typecheck (`tsc -b` over the root solution, covering both the host and client aggregates).\n\nThe vendor manifest guard checks that changes under `vendor/*/src` are staged with the matching `vendor/README.md` manifest update. See `vendor/README.md` before editing vendored code.\n\nThe hooks intentionally do not run tests, snapshots, documentation checks, builds, or hygiene. Contributors run the [checks relevant to the changed behavior](../AGENTS.md#run-relevant-checks-locally) once; CI owns exhaustive coverage, built-artifact smokes, and the Node 22.19, 24, and 26 compatibility matrix.\n\nContributors can opt into the comprehensive local gate set with `pnpm run check:all`. The command is independent of both Git hooks and is not an agent instruction.\n\n## CI gates\n\nThe keyless [CI workflow](../.github/workflows/ci.yml) groups independent gates into broad lanes and runs a smaller compatibility signal across supported Node versions. Artifact consumers wait for one build within their lane. The separate real-API workflow runs `pnpm run test:e2e` with its configured worker bound. See [scripts/run-gates.ts](../scripts/run-gates.ts) and the workflow files for the current gate and job inventory.\n\n## Daily commands\n\nUse these from the repo root:\n\n```sh\npnpm run test           # unit tests\npnpm run test:coverage  # unit tests with per-file coverage gates\npnpm run test:e2e       # real-API tests; self-skips without DEEPSEEK_API_KEY\npnpm run check:all      # comprehensive opt-in gate set; not wired to Git hooks\npnpm run typecheck      # tsc -b over the root solution: emits package/vendor lib/types, checks both aggregates\npnpm run lint           # oxlint .\npnpm run lint:fix       # formatting-only ESLint, then oxlint . --fix\npnpm run doc-typecheck  # compile checked TypeScript snippets in Markdown docs\npnpm run gen-cordis-catalog     # regenerate docs/cordis-catalog/events.md + services.md from source\npnpm run verify-cordis-catalog  # fail if either cordis catalog is stale\npnpm run verify-export-jsdoc    # fail if a module-level package export lacks complete JSDoc\npnpm run gen-doc-graphs     # regenerate generated relationship docs from source and curated graph definitions\npnpm run verify-doc-graphs  # fail if generated relationship docs are stale\npnpm run verify-md-wrap  # fail on hard-wrapped prose paragraphs in docs/README markdown\npnpm run verify-mermaid  # fail if a ```mermaid diagram has invalid Mermaid syntax\npnpm run verify-type-equiv  # fail if a ```ts type-equiv doc block drifts from its source type\npnpm run verify-doc-budgets  # fail if a budgeted standing doc exceeds its word ceiling\npnpm run gen-translation-brief   # print the minimal-update briefing for out-of-sync translation pairs (--apply splices code-only edits)\npnpm run doc-sync       # all Markdown/doc gates, scheduled concurrently; the doc-sync leaf list in scripts/run-gates.ts is the full list\npnpm run gen-module-graph     # regenerate docs/module-graph.md from package peerDeps\npnpm run verify-module-graph  # fail if docs/module-graph.md is stale\npnpm run build          # emit lib/types intermediates, then bundle lib/index.* runtime files\npnpm run verify-node-next-types  # fail if built declarations are not NodeNext-consumable\npnpm run hygiene        # knip, publint, workspace constraints, and NodeNext declaration check\n```\n\nWhen changing package public behavior, update the relevant README or JSDoc in the same change. `pnpm run doc-sync` catches checked TypeScript snippets, generated doc freshness, markdown wrap/link drift, type equivalence, translation pairing, Mermaid syntax, and doc budgets, but broader prose/API sync still needs review.\n\n## Demos\n\nThe one-shot Headless coding agent needs `DEEPSEEK_API_KEY` in the environment or repo-root `.env`:\n\n```sh\npnpm run demo:headless \"summarize this workspace\"\n```\n\nThe full-screen interactive coding agent needs `DEEPSEEK_API_KEY` in the environment or repo-root `.env`:\n\n```sh\npnpm run demo:tui\n```\n\nThe self-referential cordis demo can inspect and modify its live plugin runtime and needs the same credentials (`web` by default, or `acp`):\n\n```sh\npnpm run demo:cordis\n```\n\nThe ACP automation server exposes fresh agent sessions over JSON-RPC stdio and also needs `DEEPSEEK_API_KEY`:\n\n```sh\npnpm run demo:acp\n```\n\n## TODO markers\n\nUse one of three comment tags to flag known issues in the code, ordered by urgency:\n\n- `FIXME` — an issue that should block a new release. A release should not ship with an open `FIXME` unless reviewers explicitly agree the change can be merged anyway.\n- `TODO` — an issue that should be fixed soon, once we have the resources.\n- `XXX` — an issue that we may fix someday; lowest priority, no commitment.\n\nPick the tag that matches the urgency so anyone scanning the code can tell a release blocker from a someday-maybe.\n\n## Documenting types verbatim (`ts type-equiv`)\n\nThe [core data structures](core-data-structures/core.md) docs paste source-equivalent declarations together with their original JSDoc so a reader sees the exact shape and source contract. To keep a paste from drifting when source changes, fence it as ` ```ts type-equiv ` (instead of ` ```ts `) and register it in `scripts/type-equiv.manifest.json` with the source file and symbol it mirrors:\n\n```json\n{ \"doc\": \"docs/core-data-structures/session.md\", \"symbol\": \"SessionEvent\", \"source\": \"packages/core/session/src/types.ts\" }\n```\n\n`pnpm run verify-type-equiv` (part of `doc-sync`) then extracts that symbol's declaration and attached JSDoc from source via the TypeScript parser and asserts the block matches both. For a class whose implementation bodies do not belong in the catalog, use ` ```ts public-api ` and set `\"projection\": \"public-api\"`; the checked projection retains the public fields, constructor, accessors, methods, and original class/member JSDoc while omitting bodies and private or protected members. Comparison ignores whitespace and non-JSDoc comments but requires every original JSDoc comment, including member documentation, so readers see the source contract beside the exact shape. The gate enforces a 1:1 correspondence by document, symbol, and projection between primary blocks and manifest entries; a paired `.zh.md` block reuses its unsuffixed sibling's entry only when the whole tracked fence sequence is byte-identical and ordered identically. `doc-typecheck` applies the same derivative rule to compilable fences, while skipping both source-equivalence fence kinds from compilation and its opt-out ratio. When you change a documented declaration or its JSDoc, the gate fails until you update the paste; when you add or remove a primary block, update the manifest in the same change.\n\n## Architecture context\n\nRead `docs/architecture.md` before changing anything under `packages/`. The codebase is built around Cordis plugins, event-sourced sessions, typed service seams, and explicit extension points.\n"
       },
       {
         "role": "assistant",
-        "content": "# 开发指南\n\n[English](development.md) | 中文\n\n本指南覆盖参与 DeepSeek Harness 开发所需的本地环境搭建、日常工作流与 CI 流程；设计动机与技术权衡请查阅相应 Agent Note。\n\n## 前置条件\n\n- Node.js 支持 22.19+ 与 24+。CI 覆盖 22.19、24 和 26；见 [Node 引擎下限 Agent Note](../.agents/notes/implemented/process/2026-07-06-node-engine-floor.md)。\n- 启用了 Corepack 的 pnpm。仓库在 `package.json` 中固定使用 `pnpm@11.7.0`；如果 `pnpm --version` 无法通过 Corepack 解析，请先运行 `corepack enable`。\n- Git 2.26 或更高版本；钩子设置会启用 Git 的 worktree 专属配置扩展。\n- 可选：一个 DeepSeek API key，用于 TUI、headless 和 ACP（Agent Client Protocol）自动化 agent（智能体）演示以及真实 API 的 e2e 测试。\n\n## 首次搭建\n\n在仓库根目录安装依赖：\n\n```sh\npnpm install\n```\n\n安装过程同时会运行根目录的 `postinstall` 脚本，该脚本通过 `scripts/install-lefthook.mjs` 从仓库 dev 依赖安装 lefthook。当 `CI=true` 或 `GITHUB_ACTIONS=true` 时，该脚本会在探测 Git 前返回，因为自动化任务不会使用贡献者钩子。否则，包装脚本要求使用 Git 2.26 或更高版本，并会为当前 worktree 在其自身的 Git 目录下设置显式钩子目录；因此，关联 worktree 会使用各自的 lefthook 二进制文件和配置，而不会改写共用钩子。首次安装会启用 Git 的 worktree 专属配置扩展和仓库格式 1；见 [worktree 本地钩子 Agent Note](../.agents/notes/implemented/process/2026-07-27-worktree-local-lefthook.md)。\n\n如果依赖是从缓存恢复或 `postinstall` 被跳过而导致缺少钩子，请手动安装：\n\n```sh\nnode scripts/install-lefthook.mjs\n```\n\n包装层会拒绝用户自有的 `core.hooksPath` 值。继承自系统、全局或共用仓库配置的路径必须设置 `DSH_LEFTHOOK_ALLOW_HOOKS_PATH_OVERRIDE=1`。当 Git 使用另一个已注册 worktree 中由所有权标记佐证的钩子路径初始化新 worktree 时，包装层会将这个复制值替换为新 worktree 自有的路径；命令作用域和其他 worktree 作用域的路径必须显式集成或移除。\n\n启用 worktree 配置之前，请迁移格式 0 共用配置中直接设置的 `extensions.*`，并迁移直接设置的 `core.worktree` 或 `core.bare=true`，以及任何非空且尚未生效的 `config.worktree`。共用配置和每个 worktree 配置都必须是常规文件，而自有钩子目录只能包含不带别名的常规文件。\n\n检出目录移动后，请重新运行包装层，使其重新定位自有路径并重新生成钩子。对于陈旧或无效的安装程序锁，请先确认没有安装程序正在运行，再移除报告的锁并重试。若安装和钩子路径回滚都失败，请在重试前检查报告的 worktree 配置。完整安全契约由 [worktree 本地钩子 Agent Note](../.agents/notes/implemented/process/2026-07-27-worktree-local-lefthook.md) 统一定义。\n\n新克隆后请先运行一次类型检查：\n\n```sh\npnpm run typecheck\n```\n\n首次类型检查会执行全仓 `tsc -b tsconfig.json` 图：发射每个 package/vendor 的 `lib/types`，并通过下述两个 no-emit 聚合检查示例、测试和脚本。\n\n## TypeScript 项目布局\n\n仓库的 TypeScript 配置只有三种角色；每个 tsconfig 文件恰好扮演其中一种。\n\n| 文件 | 角色 | 是否构成 program？ |\n|---|---|---|\n| `tsconfig.json` | solution 根：`extends` base、`files: []`、引用两个聚合。全仓 `tsc -b tsconfig.json` 图、tsserver 发现入口，并经继承的 `paths` 充当 tsx 运行 `examples/` 与 `scripts/` 时的解析配置（它们最近的 tsconfig 就是此文件）。 | 否 |\n| `tsconfig.host.json` | host 聚合：host 侧各包（经 references）、示例、测试、脚本、website。排除 `packages/client`。 | 是 |\n| `tsconfig.client.json` | client 聚合：`packages/client/*` 各包及其测试、`apps/web`。 | 是 |\n| `tsconfig.base.json` | 共享 compilerOptions 与源码 `paths` 映射。同时是各 vitest 配置让 vite-tsconfig-paths 指向的解析门面：它没有 `include`，因此其 `paths` 适用于任何 importer。 | 否 |\n| `tsconfig.base.client.json` | 浏览器编译形状（`jsx`、DOM lib、`types: []`），由 client 聚合和每个 `packages/client/*` 包 extends。 | 否 |\n\nhost 与 client 保持两个聚合 program，是因为两侧在相同键下以不同服务对 cordis `Context` 接口做声明合并；单一 program 同时看到两份合并会报冲突。这种冲突只存在于 `ts.Program` 内部——模块解析永远不会触发它——所以 solution 可以同时引用两个聚合，一个 paths 门面也可以横跨两侧。由此推出两条纪律：\n\n- `tsconfig.base.json` 永不添加 `include` 或 `files`：它们会泄漏进每个 extends 它的包项目，并收窄门面的全匹配范围。\n- 构造全仓 `ts.Program` 的脚本显式种子 `tsconfig.host.json` 或 `tsconfig.client.json`——永不种子根 solution，因为把两个聚合展平进一个 program 会撞上 `Context` 合并冲突。基于 program 的生成器与门禁（`scripts/ts-project.ts` 的消费者、doc-typecheck standalone 模式）按决策仅覆盖 host 侧；client 侧只在出现真实需求时再获得基于 program 的工具。\n\n静态分析和测试通过 base 的 `paths` 映射把工作区 import 解析到 `src`，且必须在干净树上通过；消费构建产物 `lib/` 的门禁显式声明该依赖。决策记录：[solution-root note](../.agents/notes/implemented/process/2026-07-22-tsconfig-solution-root-two-aggregates.md)；tsc-first 发射管线见 [ts-build-config note](../.agents/notes/implemented/process/2026-06-17-ts-build-config.md)。\n\n如果相关的本地检查需要使用构建后的包产物，请先构建一次：\n\n```sh\npnpm run build\n```\n\n`pnpm run hygiene` 包含 `publint`（用构建出的 `lib/*.js` 文件校验 package 入口点）和 `verify-node-next-types`（用一个临时的 NodeNext 消费方校验构建出的声明文件）。新 worktree 在 `pnpm run build` 运行之前没有打包的 JS 和声明文件；普通提交和推送无需构建，除非所选检查会使用这些产物。\n\n## 环境变量\n\n真实的 DeepSeek 适配器和需要密钥的 agent 演示从环境变量或仓库根目录一个被 gitignore 的 `.env` 文件读取凭证：\n\n```sh\nDEEPSEEK_API_KEY=sk-...\nDEEPSEEK_BASE_URL=https://... # optional\n```\n\n`DEEPSEEK_BASE_URL` 可选，默认为公开 API。请勿提交真实凭证。未设置 `DEEPSEEK_API_KEY` 时，真实 API 的 e2e 套件会自动跳过。\n\n## Git 钩子\n\nlefthook 在 `lefthook.yml` 中配置，作为快速的本地检查点：\n\n- `pre-commit` 应用仅用于格式化的 ESLint 修复，使用 Oxlint 验证暂存文件并应用其原生修复，然后检查暂存 diff 中的空白错误，并运行 vendor manifest（元数据清单）守卫；\n- `pre-push` 只运行仓库增量类型检查（对根 solution 执行 `tsc -b`，覆盖 host 与 client 两个聚合）。\n\nvendor manifest 守卫检查 `vendor/*/src` 下的改动是否连同对应的 `vendor/README.md` manifest 更新一起暂存。请在编辑 vendor 代码前先阅读 `vendor/README.md`。\n\n这些钩子有意不运行测试、快照、文档检查、构建或 `hygiene`。贡献者只运行一次[与改动行为相关的检查](../AGENTS.md#run-relevant-checks-locally)；CI 负责全量覆盖率门禁、构建产物冒烟测试，以及 Node 22.19、24 和 26 兼容性矩阵。\n\n贡献者可以选择运行 `pnpm run check:all`，执行全面的本地门禁集。该命令独立于两个 Git 钩子，也不是对 agent 的指令。\n\n## CI 门禁\n\nkeyless [CI 工作流](../.github/workflows/ci.yml) 将独立门禁分组到若干宽粒度 lane，并在受支持的 Node 版本上运行一组较小的兼容性检查。产物消费方在各自 lane 内等待一次 build。单独的真实 API 工作流按其配置的 worker 上限运行 `pnpm run test:e2e`。当前门禁和 job 清单以 [scripts/run-gates.ts](../scripts/run-gates.ts) 和工作流文件为准。\n\n## 日常命令\n\n在仓库根目录使用：\n\n```sh\npnpm run test           # unit tests\npnpm run test:coverage  # unit tests with per-file coverage gates\npnpm run test:e2e       # real-API tests; self-skips without DEEPSEEK_API_KEY\npnpm run check:all      # comprehensive opt-in gate set; not wired to Git hooks\npnpm run typecheck      # tsc -b over the root solution: emits package/vendor lib/types, checks both aggregates\npnpm run lint           # oxlint .\npnpm run lint:fix       # formatting-only ESLint, then oxlint . --fix\npnpm run doc-typecheck  # compile checked TypeScript snippets in Markdown docs\npnpm run gen-cordis-catalog     # regenerate docs/cordis-catalog/events.md + services.md from source\npnpm run verify-cordis-catalog  # fail if either cordis catalog is stale\npnpm run verify-export-jsdoc    # fail if a module-level package export lacks complete JSDoc\npnpm run gen-doc-graphs     # regenerate generated relationship docs from source and curated graph definitions\npnpm run verify-doc-graphs  # fail if generated relationship docs are stale\npnpm run verify-md-wrap  # fail on hard-wrapped prose paragraphs in docs/README markdown\npnpm run verify-mermaid  # fail if a ```mermaid diagram has invalid Mermaid syntax\npnpm run verify-type-equiv  # fail if a ```ts type-equiv doc block drifts from its source type\npnpm run verify-doc-budgets  # fail if a budgeted standing doc exceeds its word ceiling\npnpm run gen-translation-brief   # print the minimal-update briefing for out-of-sync translation pairs (--apply splices code-only edits)\npnpm run doc-sync       # all Markdown/doc gates, scheduled concurrently; the doc-sync leaf list in scripts/run-gates.ts is the full list\npnpm run gen-module-graph     # regenerate docs/module-graph.md from package peerDeps\npnpm run verify-module-graph  # fail if docs/module-graph.md is stale\npnpm run build          # emit lib/types intermediates, then bundle lib/index.* runtime files\npnpm run verify-node-next-types  # fail if built declarations are not NodeNext-consumable\npnpm run hygiene        # knip, publint, workspace constraints, and NodeNext declaration check\n```\n\n修改 package 的公开行为时，请在同一个变更中更新相关 README 或 JSDoc。`pnpm run doc-sync` 能检测到被检查的 TypeScript 片段、生成文档的新鲜度、Markdown 换行/链接漂移、type-equiv、翻译配对、Mermaid 语法和文档预算，但更广泛的行文/API 同步仍需评审把关。\n\n## 演示\n\n单次运行的 Headless coding agent 需要环境变量或仓库根目录 `.env` 中的 `DEEPSEEK_API_KEY`：\n\n```sh\npnpm run demo:headless \"summarize this workspace\"\n```\n\n全屏交互式 coding agent 需要环境变量或仓库根目录 `.env` 中的 `DEEPSEEK_API_KEY`：\n\n```sh\npnpm run demo:tui\n```\n\n自指的 cordis 演示可以检查并修改其实时插件运行时，并需要相同的凭证（默认 `web`，也可用 `acp`）：\n\n```sh\npnpm run demo:cordis\n```\n\nACP 自动化服务器通过 JSON-RPC stdio 提供全新 agent 会话，同样需要 `DEEPSEEK_API_KEY`：\n\n```sh\npnpm run demo:acp\n```\n\n## TODO 标记\n\n请使用以下三种注释标签之一标记代码中的已知问题，按紧急程度排序：\n\n- `FIXME`：应当阻塞新版本发布的问题。除非评审者明确同意该更改可以合并，否则发布版本不应包含未解决的 `FIXME`；\n- `TODO`：应当尽快修复的问题，等资源到位即可处理；\n- `XXX`：也许某天会修复的问题，优先级最低，不作承诺。\n\n请选择与紧急程度匹配的标签，让浏览代码的人一眼分清「发布阻塞」和「有空再说」。\n\n## 逐字记录类型（`ts type-equiv`）\n\n[核心数据结构](core-data-structures/core.md)文档会把与源码等价的声明及其原始 JSDoc 一并粘贴，让读者看到确切形状和源码契约。为防止粘贴内容在源码变化时漂移，请将其围栏为 ` ```ts type-equiv `（而不是 ` ```ts `），并在 `scripts/type-equiv.manifest.json` 中登记它镜像的源文件和符号：\n\n```json\n{ \"doc\": \"docs/core-data-structures/session.md\", \"symbol\": \"SessionEvent\", \"source\": \"packages/core/session/src/types.ts\" }\n```\n\n`pnpm run verify-type-equiv`（`doc-sync` 的一环）随后通过 TypeScript 解析器从源码提取该符号的声明及其附带的 JSDoc，并断言代码块同时匹配两者。对于不应把实现体写进目录的类，请使用 ` ```ts public-api ` 并设置 `\"projection\": \"public-api\"`；门禁检查的投影会保留公共字段、构造函数、访问器、方法以及类和成员的原始 JSDoc，同时省略实现体和私有或受保护成员。比对会忽略空白和非 JSDoc 注释，但要求保留每条原始 JSDoc（包括成员文档），让读者同时看到源码契约和确切形状。该门禁按文档、符号和投影，在主块与 manifest 条目之间强制 1:1 对应；只有当配对 `.zh.md` 块的完整受跟踪围栏序列与其无后缀兄弟文件按字节一致且顺序相同时，才会复用后者的条目。`doc-typecheck` 对可编译围栏应用同一派生规则，同时跳过两种源码等价围栏的编译，并将其排除在 opt-out 比例之外。当你改动一个已记录的类型声明或其 JSDoc 时，门禁会失败直到你更新粘贴内容；当你增删一个主块时，请在同一个变更里更新 manifest。\n\n## 架构上下文\n\n在修改 `packages/` 目录下的任何内容之前，请先阅读 `docs/architecture.md`。这套代码围绕 Cordis 插件、事件溯源的会话、类型化的服务 seam 与显式扩展点构建。\n"
+        "content": "# 开发指南\n\n[English](development.md) | 中文\n\n本指南覆盖参与 DeepSeek Harness 开发所需的本地环境搭建、日常工作流与 CI 流程；设计动机与技术权衡请查阅相应 Agent Note。\n\n## 前置条件\n\n- Node.js 支持 22.19+ 与 24+。CI 覆盖 22.19、24 和 26；见 [Node 引擎下限 Agent Note](../.agents/notes/implemented/process/2026-07-06-node-engine-floor.md)。\n- 启用了 Corepack 的 pnpm。仓库在 `package.json` 中固定使用 `pnpm@11.7.0`；如果 `pnpm --version` 无法通过 Corepack 解析，请先运行 `corepack enable`。\n- Git 2.26 或更高版本；钩子设置会启用 Git 的 worktree 专属配置扩展。\n- 可选：一个 DeepSeek API key，用于 TUI、headless 和 ACP（Agent Client Protocol）自动化 agent（智能体）演示以及真实 API 的 e2e 测试。\n\n## 首次搭建\n\n在仓库根目录安装依赖：\n\n```sh\npnpm install\n```\n\n安装过程同时会运行根目录的 `postinstall` 脚本，该脚本通过 `scripts/install-lefthook.mjs` 从仓库 dev 依赖安装 lefthook。当 `CI=true` 或 `GITHUB_ACTIONS=true` 时，该脚本会在探测 Git 前返回，因为自动化任务不会使用贡献者钩子。否则，包装脚本要求使用 Git 2.26 或更高版本，并会为当前 worktree 在其自身的 Git 目录下设置显式钩子目录；因此，关联 worktree 会使用各自的 lefthook 二进制文件和配置，而不会改写共用钩子。首次安装会启用 Git 的 worktree 专属配置扩展和仓库格式 1；见 [worktree 本地钩子 Agent Note](../.agents/notes/implemented/process/2026-07-27-worktree-local-lefthook.md)。\n\n如果依赖是从缓存恢复或 `postinstall` 被跳过而导致缺少钩子，请手动安装：\n\n```sh\nnode scripts/install-lefthook.mjs\n```\n\n包装层会拒绝用户自有的 `core.hooksPath` 值。继承自系统、全局或共用仓库配置的路径必须设置 `DSH_LEFTHOOK_ALLOW_HOOKS_PATH_OVERRIDE=1`。当 Git 使用另一个已注册 worktree 中由所有权标记佐证的钩子路径初始化新 worktree 时，包装层会将这个复制值替换为新 worktree 自有的路径；命令作用域和其他 worktree 作用域的路径必须显式集成或移除。\n\n启用 worktree 配置之前，请迁移格式 0 共用配置中直接设置的 `extensions.*`，并迁移直接设置的 `core.worktree` 或 `core.bare=true`，以及任何非空且尚未生效的 `config.worktree`。共用配置和每个 worktree 配置都必须是常规文件，而自有钩子目录只能包含不带别名的常规文件。\n\n检出目录移动后，请重新运行包装层，使其重新定位自有路径并重新生成钩子。对于陈旧或无效的安装程序锁，请先确认没有安装程序正在运行，再移除报告的锁并重试。若安装和钩子路径回滚都失败，请在重试前检查报告的 worktree 配置。完整安全契约由 [worktree 本地钩子 Agent Note](../.agents/notes/implemented/process/2026-07-27-worktree-local-lefthook.md) 统一定义。\n\n新克隆后请先运行一次类型检查：\n\n```sh\npnpm run typecheck\n```\n\n首次类型检查会执行全仓 `tsc -b tsconfig.json` 图：发射每个 package/vendor 的 `lib/types`，并通过下述两个 no-emit 聚合检查示例、测试和脚本。\n\n## TypeScript 项目布局\n\n仓库的 TypeScript 配置只有三种角色；每个 tsconfig 文件恰好扮演其中一种。\n\n| 文件 | 角色 | 是否构成 program？ |\n|---|---|---|\n| `tsconfig.json` | solution 根：`extends` base、`files: []`、引用两个聚合。全仓 `tsc -b tsconfig.json` 图、tsserver 发现入口，并经继承的 `paths` 充当 tsx 运行 `examples/` 与 `scripts/` 时的解析配置（它们最近的 tsconfig 就是此文件）。 | 否 |\n| `tsconfig.host.json` | host 聚合：host 侧各包（经 references）、示例、测试、脚本、website。排除 `packages/client`。 | 是 |\n| `tsconfig.client.json` | client 聚合：`packages/client/*` 各包及其测试、`apps/web`。 | 是 |\n| `tsconfig.base.json` | 共享 compilerOptions 与源码 `paths` 映射。同时是各 vitest 配置让 vite-tsconfig-paths 指向的解析门面：它没有 `include`，因此其 `paths` 适用于任何 importer。 | 否 |\n| `tsconfig.base.client.json` | 浏览器编译形状（`jsx`、DOM lib、`types: []`），由 client 聚合和每个 `packages/client/*` 包 extends。 | 否 |\n\nhost 与 client 保持两个聚合 program，是因为两侧在相同键下以不同服务对 cordis `Context` 接口做声明合并；单一 program 同时看到两份合并会报冲突。这种冲突只存在于 `ts.Program` 内部——模块解析永远不会触发它——所以 solution 可以同时引用两个聚合，一个 paths 门面也可以横跨两侧。由此推出两条纪律：\n\n- `tsconfig.base.json` 永不添加 `include` 或 `files`：它们会泄漏进每个 extends 它的包项目，并收窄门面的全匹配范围。\n- 构造全仓 `ts.Program` 的脚本显式种子 `tsconfig.host.json` 或 `tsconfig.client.json`——永不种子根 solution，因为把两个聚合展平进一个 program 会撞上 `Context` 合并冲突。基于 program 的生成器与门禁（`scripts/ts-project.ts` 的消费者、doc-typecheck standalone 模式）按决策仅覆盖 host 侧；client 侧只在出现真实需求时再获得基于 program 的工具。\n\n静态分析和测试通过 base 的 `paths` 映射把工作区 import 解析到 `src`，且必须在干净树上通过；消费构建产物 `lib/` 的门禁显式声明该依赖。决策记录：[solution-root note](../.agents/notes/implemented/process/2026-07-22-tsconfig-solution-root-two-aggregates.md)；tsc-first 发射管线见 [ts-build-config note](../.agents/notes/implemented/process/2026-06-17-ts-build-config.md)。\n\n如果相关的本地检查需要使用构建后的包产物，请先构建一次：\n\n```sh\npnpm run build\n```\n\n`pnpm run hygiene` 包含 `publint`（用构建出的 `lib/*.js` 文件校验 package 入口点）和 `verify-node-next-types`（用一个临时的 NodeNext 消费方校验构建出的声明文件）。新 worktree 在 `pnpm run build` 运行之前没有打包的 JS 和声明文件；普通提交和推送无需构建，除非所选检查会使用这些产物。\n\n## 环境变量\n\n真实的 DeepSeek 适配器和需要密钥的 agent 演示从环境变量或仓库根目录一个被 gitignore 的 `.env` 文件读取凭证：\n\n```sh\nDEEPSEEK_API_KEY=sk-...\nDEEPSEEK_BASE_URL=https://... # optional\n```\n\n`DEEPSEEK_BASE_URL` 可选，默认为公开 API。请勿提交真实凭证。未设置 `DEEPSEEK_API_KEY` 时，真实 API 的 e2e 套件会自动跳过。\n\n## Git 钩子\n\nlefthook 在 `lefthook.yml` 中配置，作为快速的本地检查点：\n\n- `pre-commit` 应用仅用于格式化的 ESLint 修复，使用 Oxlint 验证暂存文件并应用其原生修复，在暂存文件属于 `THIRD_PARTY_NOTICES.md` 的输入时重新生成该文件，然后检查暂存 diff 中的空白错误，并运行 vendor manifest（元数据清单）守卫；\n- `pre-push` 只运行仓库增量类型检查（对根 solution 执行 `tsc -b`，覆盖 host 与 client 两个聚合）。\n\nvendor manifest 守卫检查 `vendor/*/src` 下的改动是否连同对应的 `vendor/README.md` manifest 更新一起暂存。请在编辑 vendor 代码前先阅读 `vendor/README.md`。\n\n这些钩子有意不运行测试、快照、文档检查、构建或 `hygiene`。贡献者只运行一次[与改动行为相关的检查](../AGENTS.md#run-relevant-checks-locally)；CI 负责全量覆盖率门禁、构建产物冒烟测试，以及 Node 22.19、24 和 26 兼容性矩阵。\n\n贡献者可以选择运行 `pnpm run check:all`，执行全面的本地门禁集。该命令独立于两个 Git 钩子，也不是对 agent 的指令。\n\n## CI 门禁\n\nkeyless [CI 工作流](../.github/workflows/ci.yml) 将独立门禁分组到若干宽粒度 lane，并在受支持的 Node 版本上运行一组较小的兼容性检查。产物消费方在各自 lane 内等待一次 build。单独的真实 API 工作流按其配置的 worker 上限运行 `pnpm run test:e2e`。当前门禁和 job 清单以 [scripts/run-gates.ts](../scripts/run-gates.ts) 和工作流文件为准。\n\n## 日常命令\n\n在仓库根目录使用：\n\n```sh\npnpm run test           # unit tests\npnpm run test:coverage  # unit tests with per-file coverage gates\npnpm run test:e2e       # real-API tests; self-skips without DEEPSEEK_API_KEY\npnpm run check:all      # comprehensive opt-in gate set; not wired to Git hooks\npnpm run typecheck      # tsc -b over the root solution: emits package/vendor lib/types, checks both aggregates\npnpm run lint           # oxlint .\npnpm run lint:fix       # formatting-only ESLint, then oxlint . --fix\npnpm run doc-typecheck  # compile checked TypeScript snippets in Markdown docs\npnpm run gen-cordis-catalog     # regenerate docs/cordis-catalog/events.md + services.md from source\npnpm run verify-cordis-catalog  # fail if either cordis catalog is stale\npnpm run verify-export-jsdoc    # fail if a module-level package export lacks complete JSDoc\npnpm run gen-doc-graphs     # regenerate generated relationship docs from source and curated graph definitions\npnpm run verify-doc-graphs  # fail if generated relationship docs are stale\npnpm run verify-md-wrap  # fail on hard-wrapped prose paragraphs in docs/README markdown\npnpm run verify-mermaid  # fail if a ```mermaid diagram has invalid Mermaid syntax\npnpm run verify-type-equiv  # fail if a ```ts type-equiv doc block drifts from its source type\npnpm run verify-doc-budgets  # fail if a budgeted standing doc exceeds its word ceiling\npnpm run gen-translation-brief   # print the minimal-update briefing for out-of-sync translation pairs (--apply splices code-only edits)\npnpm run doc-sync       # all Markdown/doc gates, scheduled concurrently; the doc-sync leaf list in scripts/run-gates.ts is the full list\npnpm run gen-module-graph     # regenerate docs/module-graph.md from package peerDeps\npnpm run verify-module-graph  # fail if docs/module-graph.md is stale\npnpm run build          # emit lib/types intermediates, then bundle lib/index.* runtime files\npnpm run verify-node-next-types  # fail if built declarations are not NodeNext-consumable\npnpm run hygiene        # knip, publint, workspace constraints, and NodeNext declaration check\n```\n\n修改 package 的公开行为时，请在同一个变更中更新相关 README 或 JSDoc。`pnpm run doc-sync` 能检测到被检查的 TypeScript 片段、生成文档的新鲜度、Markdown 换行/链接漂移、type-equiv、翻译配对、Mermaid 语法和文档预算，但更广泛的行文/API 同步仍需评审把关。\n\n## 演示\n\n单次运行的 Headless coding agent 需要环境变量或仓库根目录 `.env` 中的 `DEEPSEEK_API_KEY`：\n\n```sh\npnpm run demo:headless \"summarize this workspace\"\n```\n\n全屏交互式 coding agent 需要环境变量或仓库根目录 `.env` 中的 `DEEPSEEK_API_KEY`：\n\n```sh\npnpm run demo:tui\n```\n\n自指的 cordis 演示可以检查并修改其实时插件运行时，并需要相同的凭证（默认 `web`，也可用 `acp`）：\n\n```sh\npnpm run demo:cordis\n```\n\nACP 自动化服务器通过 JSON-RPC stdio 提供全新 agent 会话，同样需要 `DEEPSEEK_API_KEY`：\n\n```sh\npnpm run demo:acp\n```\n\n## TODO 标记\n\n请使用以下三种注释标签之一标记代码中的已知问题，按紧急程度排序：\n\n- `FIXME`：应当阻塞新版本发布的问题。除非评审者明确同意该更改可以合并，否则发布版本不应包含未解决的 `FIXME`；\n- `TODO`：应当尽快修复的问题，等资源到位即可处理；\n- `XXX`：也许某天会修复的问题，优先级最低，不作承诺。\n\n请选择与紧急程度匹配的标签，让浏览代码的人一眼分清「发布阻塞」和「有空再说」。\n\n## 逐字记录类型（`ts type-equiv`）\n\n[核心数据结构](core-data-structures/core.md)文档会把与源码等价的声明及其原始 JSDoc 一并粘贴，让读者看到确切形状和源码契约。为防止粘贴内容在源码变化时漂移，请将其围栏为 ` ```ts type-equiv `（而不是 ` ```ts `），并在 `scripts/type-equiv.manifest.json` 中登记它镜像的源文件和符号：\n\n```json\n{ \"doc\": \"docs/core-data-structures/session.md\", \"symbol\": \"SessionEvent\", \"source\": \"packages/core/session/src/types.ts\" }\n```\n\n`pnpm run verify-type-equiv`（`doc-sync` 的一环）随后通过 TypeScript 解析器从源码提取该符号的声明及其附带的 JSDoc，并断言代码块同时匹配两者。对于不应把实现体写进目录的类，请使用 ` ```ts public-api ` 并设置 `\"projection\": \"public-api\"`；门禁检查的投影会保留公共字段、构造函数、访问器、方法以及类和成员的原始 JSDoc，同时省略实现体和私有或受保护成员。比对会忽略空白和非 JSDoc 注释，但要求保留每条原始 JSDoc（包括成员文档），让读者同时看到源码契约和确切形状。该门禁按文档、符号和投影，在主块与 manifest 条目之间强制 1:1 对应；只有当配对 `.zh.md` 块的完整受跟踪围栏序列与其无后缀兄弟文件按字节一致且顺序相同时，才会复用后者的条目。`doc-typecheck` 对可编译围栏应用同一派生规则，同时跳过两种源码等价围栏的编译，并将其排除在 opt-out 比例之外。当你改动一个已记录的类型声明或其 JSDoc 时，门禁会失败直到你更新粘贴内容；当你增删一个主块时，请在同一个变更里更新 manifest。\n\n## 架构上下文\n\n在修改 `packages/` 目录下的任何内容之前，请先阅读 `docs/architecture.md`。这套代码围绕 Cordis 插件、事件溯源的会话、类型化的服务 seam 与显式扩展点构建。\n"
       },
       {
         "role": "user",
diff --git a/scripts/test-invariants.spec.ts b/scripts/test-invariants.spec.ts
index 0fb6aeb201..2c00bc7439 100644
--- a/scripts/test-invariants.spec.ts
+++ b/scripts/test-invariants.spec.ts
@@ -1,11 +1,15 @@
 import { describe, expect, it, vi } from 'vitest'
-import { Context, Service } from 'cordis'
+import { Context, FiberState, Service, ValidationError } from 'cordis'
 import Loader from '@cordisjs/plugin-loader'
+import z from 'schemastery'
+import InvariantService from '@deepseek-ai/dsh-invariants'
 import type { InvariantInstaller } from '@deepseek-ai/dsh-invariants'
 import { packageInvariantOwners } from './package-invariants.ts'
 import {
+  TEST_INVARIANT_READY_SERVICE,
   testInvariantCompanionPaths,
   testInvariantCompanions,
+  type TestInvariantCompanion,
   usesManualInvariantTree,
 } from './test-invariants.ts'
 
@@ -21,6 +25,87 @@ class TestInvariantProbe extends Service {
   }
 }
 
+function deferred(): { readonly promise: Promise<void>; readonly resolve: () => void } {
+  let resolve!: () => void
+  const promise = new Promise<void>((done) => {
+    resolve = done
+  })
+  return { promise, resolve }
+}
+
+function requiredConfig() {
+  return z.object({
+    requiredValue: z.string().required(),
+  })
+}
+
+function queuedReadinessConfig(
+  ctx: Context,
+  onPublished: (dispose: () => void) => void,
+) {
+  return z.transform(z.any(), () => {
+    queueMicrotask(() => {
+      onPublished(ctx.provide(TEST_INVARIANT_READY_SERVICE, true))
+    })
+    return {}
+  }, true)
+}
+
+function invalidConfigApply(): never {
+  throw new Error('invalid plugin apply executed')
+}
+
+async function rejectionOf(fiber: ReturnType<Context['plugin']>): Promise<unknown> {
+  return fiber.then(
+    () => undefined,
+    (error: unknown) => error,
+  )
+}
+
+function expectRequiredConfigValidation(error: unknown): void {
+  expect(error).toBeInstanceOf(ValidationError)
+  expect(error).toHaveProperty('message', expect.stringMatching(/requiredValue/))
+}
+
+async function withFakeCompanions(
+  create: (path: string, index: number) => () => Promise<TestInvariantCompanion>,
+  run: () => Promise<void>,
+): Promise<void> {
+  const mutable = testInvariantCompanions as Record<string, () => Promise<TestInvariantCompanion>>
+  const originals = Object.entries(mutable)
+  for (const [index, [path]] of originals.entries()) {
+    mutable[path] = create(path, index)
+  }
+  try {
+    await run()
+  } finally {
+    for (const [path, load] of originals) {
+      mutable[path] = load
+    }
+  }
+}
+
+async function withDelayedFirstCompanion(
+  run: (control: { readonly started: Promise<void>; readonly release: () => void }) => Promise<void>,
+): Promise<void> {
+  const started = deferred()
+  const release = deferred()
+  await withFakeCompanions(
+    (_path, index) => async () => ({
+      name: `test-invariant-${index}`,
+      inject: ['invariants'],
+      async apply() {
+        if (index === 0) {
+          started.resolve()
+          await release.promise
+        }
+        return () => {}
+      },
+    }),
+    () => run({ started: started.promise, release: release.resolve }),
+  )
+}
+
 describe('global test invariant host', () => {
   it('uses one exhaustive topology to reserve every package name with enabled checks', async () => {
     const ctx = new Context()
@@ -85,4 +170,291 @@ describe('global test invariant host', () => {
     expect(usesManualInvariantTree('/repo/packages/examples/agent-spine-demo/tests/agent-core.spec.ts')).toBe(true)
     expect(usesManualInvariantTree('/repo/packages/core/session/tests/session.spec.ts')).toBe(false)
   })
+
+  it('preserves config validation failures without starting the rejected plugin', async () => {
+    const ctx = new Context()
+    const apply = vi.fn(invalidConfigApply)
+    const plugin = {
+      apply,
+      Config: requiredConfig(),
+    }
+
+    const fiber = ctx.plugin(plugin, {})
+    const firstError = await rejectionOf(fiber)
+    expectRequiredConfigValidation(firstError)
+    await ctx.plugin(TestInvariantProbe)
+    const secondError = await rejectionOf(fiber)
+    expect(secondError).toBe(firstError)
+    expect(fiber.state).toBe(FiberState.DISPOSED)
+    expect(apply).not.toHaveBeenCalled()
+  })
+
+  it('disposes invalid config when readiness refresh wins the rejection-handler race', async () => {
+    await withDelayedFirstCompanion(
+      async ({ started, release }) => {
+        const ctx = new Context()
+        const apply = vi.fn(invalidConfigApply)
+        let disposeQueuedReadiness: (() => void) | undefined
+        const plugin = {
+          apply,
+          Config: z.intersect([
+            queuedReadinessConfig(ctx, (dispose) => {
+              disposeQueuedReadiness = dispose
+            }),
+            requiredConfig(),
+          ]),
+        }
+
+        const fiber = ctx.plugin(plugin, {})
+        const firstError = await rejectionOf(fiber)
+        expectRequiredConfigValidation(firstError)
+        expect(fiber.state).toBe(FiberState.DISPOSED)
+        expect(apply).not.toHaveBeenCalled()
+
+        await started
+        if (disposeQueuedReadiness === undefined) throw new Error('queued readiness was not published')
+        disposeQueuedReadiness()
+        release()
+        await ctx.plugin(TestInvariantProbe)
+
+        const secondError = await rejectionOf(fiber)
+        expect(secondError).toBe(firstError)
+        expect(fiber.state).toBe(FiberState.DISPOSED)
+        expect(apply).not.toHaveBeenCalled()
+      },
+    )
+  })
+
+  it('retains a valid plugin failure when readiness wins the initial-probe race', async () => {
+    await withDelayedFirstCompanion(
+      async ({ started, release }) => {
+        const ctx = new Context()
+        const failure = new Error('valid plugin apply failed')
+        const applied = deferred()
+        const apply = vi.fn(function validConfigApply() {
+          applied.resolve()
+          throw failure
+        })
+        let disposeQueuedReadiness: (() => void) | undefined
+        const plugin = {
+          apply,
+          Config: queuedReadinessConfig(ctx, (dispose) => {
+            disposeQueuedReadiness = dispose
+          }),
+        }
+
+        const fiber = ctx.plugin(plugin, {})
+        const returnedError = rejectionOf(fiber)
+        try {
+          await Promise.all([started, applied.promise])
+          expect(fiber.state).toBe(FiberState.FAILED)
+          expect(apply).toHaveBeenCalledOnce()
+          expect(ctx.registry.has(plugin)).toBe(true)
+          expect(ctx.registry.get(plugin)?.fibers).toHaveLength(1)
+
+          if (disposeQueuedReadiness === undefined) throw new Error('queued readiness was not published')
+          Reflect.deleteProperty(fiber.inject, TEST_INVARIANT_READY_SERVICE)
+          disposeQueuedReadiness()
+          release()
+
+          expect(await returnedError).toBe(failure)
+          expect(fiber.state).toBe(FiberState.FAILED)
+          expect(apply).toHaveBeenCalledOnce()
+          expect(ctx.registry.has(plugin)).toBe(true)
+          expect(ctx.registry.get(plugin)?.fibers).toHaveLength(1)
+        } finally {
+          Reflect.deleteProperty(fiber.inject, TEST_INVARIANT_READY_SERVICE)
+          disposeQueuedReadiness?.()
+          release()
+        }
+      },
+    )
+  })
+
+  it('holds a root plugin until every lazy companion is active, then permits nested startup', async () => {
+    const delayedStarted = deferred()
+    const releaseDelayed = deferred()
+    const order: string[] = []
+    let delayedCompanion: TestInvariantCompanion | undefined
+    const companionNestedApply = vi.fn(function companionNestedApply() {})
+
+    await withFakeCompanions(
+      (path, index) => async () => {
+        const companion: TestInvariantCompanion = {
+          name: `test-invariant-${index}`,
+          inject: ['invariants'],
+          async apply(companionCtx) {
+            order.push(`companion-start:${path}`)
+            if (index === 0) {
+              delayedStarted.resolve()
+              await releaseDelayed.promise
+            }
+            if (index === 1) await companionCtx.plugin(companionNestedApply)
+            order.push(`companion-active:${path}`)
+            return () => {}
+          },
+        }
+        if (index === 0) delayedCompanion = companion
+        return companion
+      },
+      async () => {
+        const ctx = new Context()
+        ctx.provide('testInvariantTargetDependency', true)
+        let nestedFiber: ReturnType<Context['plugin']> | undefined
+        const nestedApply = vi.fn(function nestedApply() {
+          order.push('nested')
+        })
+        const targetApply = Object.assign(vi.fn(function targetApply(targetCtx: Context) {
+          order.push('target')
+          nestedFiber = targetCtx.plugin(nestedApply)
+        }), {
+          inject: ['testInvariantTargetDependency'],
+        })
+
+        const targetFiber = ctx.plugin(targetApply)
+        expect(ctx.registry.get(targetApply)?.callback).toBe(targetApply)
+        expect(targetFiber.inject).toEqual({
+          testInvariantTargetDependency: null,
+          [TEST_INVARIANT_READY_SERVICE]: null,
+        })
+
+        await delayedStarted.promise
+        await Promise.resolve()
+        await Promise.resolve()
+        expect(targetApply).not.toHaveBeenCalled()
+
+        releaseDelayed.resolve()
+        await targetFiber
+        if (nestedFiber === undefined) throw new Error('target did not register its nested plugin')
+        await nestedFiber
+
+        expect(targetFiber.state).toBe(FiberState.ACTIVE)
+        expect(targetApply).toHaveBeenCalledOnce()
+        expect(nestedApply).toHaveBeenCalledOnce()
+        expect(companionNestedApply).toHaveBeenCalledOnce()
+        const targetIndex = order.indexOf('target')
+        expect(targetIndex).toBeGreaterThan(-1)
+        expect(order.slice(0, targetIndex)).toHaveLength(Object.keys(testInvariantCompanions).length * 2)
+        expect(order.at(-1)).toBe('nested')
+
+        if (delayedCompanion === undefined) throw new Error('delayed companion did not load')
+        await ctx.plugin(InvariantService, { enabled: true })
+        await ctx.plugin(delayedCompanion)
+        expect(ctx.registry.get(InvariantService)?.fibers).toHaveLength(1)
+        expect(ctx.registry.get(delayedCompanion)?.fibers).toHaveLength(1)
+      },
+    )
+  })
+
+  it('holds plugins registered on a root-derived context until companion readiness', async () => {
+    await withDelayedFirstCompanion(
+      async ({ started, release }) => {
+        const ctx = new Context()
+        const rootApply = vi.fn(function rootApply() {})
+        const derivedApply = vi.fn(function derivedApply() {})
+        const derived = ctx.extend()
+          .isolate('testInvariantDerived')
+          .intercept('testInvariantDerived', {})
+
+        const rootFiber = ctx.plugin(rootApply)
+        const derivedFiber = derived.plugin(derivedApply)
+
+        await started
+        await Promise.resolve()
+        await Promise.resolve()
+        expect(rootApply).not.toHaveBeenCalled()
+        expect(derivedApply).not.toHaveBeenCalled()
+        expect(derivedFiber.inject).toEqual({
+          [TEST_INVARIANT_READY_SERVICE]: null,
+        })
+
+        release()
+        await Promise.all([rootFiber, derivedFiber])
+        expect(rootFiber.state).toBe(FiberState.ACTIVE)
+        expect(derivedFiber.state).toBe(FiberState.ACTIVE)
+        expect(rootApply).toHaveBeenCalledOnce()
+        expect(derivedApply).toHaveBeenCalledOnce()
+      },
+    )
+  })
+
+  it('holds a child registered externally on a pending target context', async () => {
+    await withDelayedFirstCompanion(
+      async ({ started, release }) => {
+        const ctx = new Context()
+        const targetApply = vi.fn(function targetApply() {})
+        const childApply = vi.fn(function childApply() {})
+
+        const targetFiber = ctx.plugin(targetApply)
+        const childFiber = targetFiber.ctx.plugin(childApply)
+
+        await started
+        await Promise.resolve()
+        await Promise.resolve()
+        expect(targetFiber.state).toBe(FiberState.PENDING)
+        expect(childFiber.state).toBe(FiberState.PENDING)
+        expect(targetApply).not.toHaveBeenCalled()
+        expect(childApply).not.toHaveBeenCalled()
+        expect(childFiber.inject).toEqual({
+          [TEST_INVARIANT_READY_SERVICE]: null,
+        })
+
+        release()
+        await Promise.all([targetFiber, childFiber])
+        expect(targetFiber.state).toBe(FiberState.ACTIVE)
+        expect(childFiber.state).toBe(FiberState.ACTIVE)
+        expect(targetApply).toHaveBeenCalledOnce()
+        expect(childApply).toHaveBeenCalledOnce()
+      },
+    )
+  })
+
+  it.each(['load', 'startup'] as const)(
+    'rejects a target when a lazy companion fails during %s without starting the target',
+    async (phase) => {
+      const failure = new Error(`test invariant companion ${phase} failed`)
+      await withFakeCompanions(
+        (_path, index) => phase === 'load' && index === 0
+          ? async () => { throw failure }
+          : async () => ({
+            name: `test-invariant-${index}`,
+            inject: ['invariants'],
+            async apply() {
+              if (phase === 'startup' && index === 0) throw failure
+              return () => {}
+            },
+          }),
+        async () => {
+          const ctx = new Context()
+          const targetApply = vi.fn(function targetApply() {})
+          const targetFiber = ctx.plugin(targetApply)
+
+          await expect(targetFiber).rejects.toBe(failure)
+          expect(targetApply).not.toHaveBeenCalled()
+          expect(targetFiber.state).toBe(FiberState.PENDING)
+          await expect(targetFiber.dispose()).resolves.toBeUndefined()
+          expect(targetFiber.state).toBe(FiberState.DISPOSED)
+        },
+      )
+    },
+  )
+
+  it('disposes a pending target without waiting for companion readiness', async () => {
+    await withDelayedFirstCompanion(
+      async ({ started, release }) => {
+        const ctx = new Context()
+        const targetApply = vi.fn(function targetApply() {})
+        const targetFiber = ctx.plugin(targetApply)
+
+        await started
+        await expect(targetFiber.dispose()).resolves.toBeUndefined()
+        expect(targetFiber.state).toBe(FiberState.DISPOSED)
+        expect(targetApply).not.toHaveBeenCalled()
+
+        release()
+        await targetFiber
+        expect(targetApply).not.toHaveBeenCalled()
+      },
+    )
+  })
 })
diff --git a/scripts/test-invariants.ts b/scripts/test-invariants.ts
index 62c0102588..9705f590de 100644
--- a/scripts/test-invariants.ts
+++ b/scripts/test-invariants.ts
@@ -6,7 +6,7 @@
  */
 
 import { expect } from 'vitest'
-import { RegistryService } from 'cordis'
+import { FiberState, Inject, RegistryService } from 'cordis'
 import type { Context, Plugin } from 'cordis'
 import InvariantService from '@deepseek-ai/dsh-invariants'
 
@@ -25,6 +25,9 @@ export interface TestInvariantCompanion {
   apply(ctx: Context): Promise<() => void>
 }
 
+/** Private service dependency that holds ordinary root plugins until invariant startup completes. */
+export const TEST_INVARIANT_READY_SERVICE = 'testInvariantReady'
+
 /**
  * Every package companion as a lazy loader keyed by glob path. Ordinary tests
  * load only their owner's module; the exhaustive topology test loads and
@@ -43,10 +46,12 @@ const MANUAL_INVARIANT_TEST_EXCEPTIONS = [
 
 interface InvariantHost {
   readonly byCallback: ReadonlyMap<unknown, PluginFiber>
+  readonly barrierOwners: WeakSet<Context['fiber']>
   readonly ready: Promise<void>
 }
 
 type PluginFiber = ReturnType<RegistryService['plugin']>
+type PluginCallback = Plugin.Function | Plugin.Constructor
 
 const hosts = new WeakMap<Context, InvariantHost>()
 // oxlint-disable-next-line typescript/unbound-method -- every call below supplies its RegistryService receiver explicitly.
@@ -61,14 +66,28 @@ RegistryService.prototype.plugin = function(plugin: Plugin, config?: unknown, ge
   const callback = this.resolve(plugin)
   const existing = callback === undefined ? undefined : host.byCallback.get(callback)
   if (existing !== undefined) {
-    return this.ctx === root ? joinInvariantStartup(existing, host.ready) : existing
+    return hasBarrierOwner(host, this.ctx) ? existing : joinInvariantStartup(existing, host.ready)
   }
 
-  const fiber = originalPlugin.call(this, plugin, config, getOuterStack)
-  // A root-level await is the test's composition boundary. Nested plugin
-  // fibers must not await their own companion parent through the global host.
-  if (this.ctx !== root) return fiber
-  return joinInvariantStartup(fiber, host.ready)
+  // Causal descendants of a gated target have already crossed the barrier.
+  // Host service and companion descendants also bypass it so their own startup
+  // cannot depend on the readiness they are responsible for providing.
+  if (hasBarrierOwner(host, this.ctx)) {
+    return originalPlugin.call(this, plugin, config, getOuterStack)
+  }
+  if (callback === undefined) {
+    return originalPlugin.call(this, plugin, config, getOuterStack)
+  }
+
+  const fiber = originalPlugin.call(
+    this,
+    withInvariantReadiness(plugin, callback as PluginCallback),
+    config,
+    getOuterStack,
+  )
+  const initiallyPending = fiber.ctx.fiber.state === FiberState.PENDING
+  host.barrierOwners.add(fiber.ctx.fiber)
+  return joinInvariantStartup(fiber, host.ready, initiallyPending)
 }
 
 /**
@@ -108,11 +127,13 @@ export function testInvariantCompanionPaths(testPath: string): string[] {
 
 function startInvariantHost(root: Context): InvariantHost {
   const byCallback = new Map<unknown, PluginFiber>()
+  const barrierOwners = new WeakSet<Context['fiber']>()
   const mount = (plugin: Plugin, config?: unknown): PluginFiber => {
     const fiber = originalPlugin.call(root.registry, plugin, config)
     const callback = root.registry.resolve(plugin)
     if (callback === undefined) throw new Error('test invariants: companion is not a valid Cordis plugin')
     byCallback.set(callback, fiber)
+    barrierOwners.add(fiber.ctx.fiber)
     return fiber
   }
 
@@ -126,8 +147,8 @@ function startInvariantHost(root: Context): InvariantHost {
   const serviceFiber = mount(InvariantService, { enabled: true })
   const testPath = expect.getState().testPath ?? ''
   const companionPaths = testInvariantCompanionPaths(testPath)
-  const ready = serviceFiber.await().then(async () => {
-    const companionFibers = await Promise.all(companionPaths.map(async (path) => {
+  const ready = requireActive(serviceFiber, 'invariant service').then(async () => {
+    const companions = await Promise.all(companionPaths.map(async (path) => {
       const load = testInvariantCompanions[path]
       if (load === undefined) {
         throw new Error(`test invariants: selected companion vanished at ${path}`)
@@ -136,20 +157,75 @@ function startInvariantHost(root: Context): InvariantHost {
       if (!companion.inject.includes('invariants')) {
         throw new Error(`test invariants: ${path} must inject the invariant service`)
       }
-      return mount(companion)
+      return { companion, path }
     }))
-    await Promise.all(companionFibers.map(fiber => fiber.await()))
+    const companionFibers = companions.map(({ companion, path }) => ({
+      fiber: mount(companion),
+      path,
+    }))
+    await Promise.all(companionFibers.map(({ fiber, path }) => requireActive(fiber, path)))
+    root.provide(TEST_INVARIANT_READY_SERVICE, true)
   })
-  const host = { byCallback, ready }
+  const host = { byCallback, barrierOwners, ready }
   hosts.set(root, host)
   return host
 }
 
-function joinInvariantStartup(fiber: PluginFiber, invariantReady: Promise<void>): PluginFiber {
-  const readiness = fiber.await().then(async (loaded) => {
-    await invariantReady
-    return loaded
-  })
+function hasBarrierOwner(host: InvariantHost, ctx: Context): boolean {
+  let fiber = ctx.fiber
+  while (true) {
+    if (
+      host.barrierOwners.has(fiber)
+      && (fiber.state === FiberState.LOADING || fiber.state === FiberState.ACTIVE)
+    ) {
+      return true
+    }
+    const parent = fiber.parent.fiber
+    if (parent === fiber) return false
+    fiber = parent
+  }
+}
+
+async function requireActive(fiber: PluginFiber, label: string): Promise<void> {
+  await fiber.await()
+  if (fiber.state !== FiberState.ACTIVE) {
+    throw new Error(`test invariants: ${label} settled without becoming active`)
+  }
+}
+
+function withInvariantReadiness(plugin: Plugin, callback: PluginCallback): Plugin.Object {
+  return {
+    apply: callback as Plugin.Function,
+    inject: {
+      ...Inject.resolve(plugin.inject),
+      [TEST_INVARIANT_READY_SERVICE]: null,
+    },
+    ...(plugin.name === undefined ? {} : { name: plugin.name }),
+    ...(plugin.Config === undefined ? {} : { Config: plugin.Config }),
+    ...(plugin.provide === undefined ? {} : { provide: plugin.provide }),
+    ...(plugin.intercept === undefined ? {} : { intercept: plugin.intercept }),
+  }
+}
+
+function joinInvariantStartup(
+  fiber: PluginFiber,
+  invariantReady: Promise<void>,
+  disposeInitialFailure = false,
+): PluginFiber {
+  // RegistryService returns a thenable wrapper whose context still points to
+  // the raw Fiber. Calling inherited await() on the wrapper would return and
+  // assimilate that thenable, accidentally following later plugin startup.
+  const rawFiber = fiber.ctx.fiber
+  const initialized = disposeInitialFailure
+    ? rawFiber.await().catch(async (error: unknown) => {
+      // Config validation is the only failure recorded while a gated fiber
+      // is initially PENDING. Dispose it even if queued readiness publication
+      // changes its state before this rejection handler runs.
+      await rawFiber.dispose()
+      throw error
+    })
+    : Promise.resolve()
+  const readiness = initialized.then(() => invariantReady).then(() => rawFiber.await())
   const joined = Object.create(fiber) as PluginFiber
   joined.then = readiness.then.bind(readiness)
   return joined
diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json
index 8cd96b7120..cb61ed461d 100644
--- a/scripts/type-equiv.manifest.json
+++ b/scripts/type-equiv.manifest.json
@@ -246,6 +246,11 @@
       "symbol": "AssembleContext",
       "source": "packages/core/system-prompt/src/index.ts"
     },
+    {
+      "doc": "docs/core-data-structures/system-prompt.md",
+      "symbol": "PromptContext",
+      "source": "packages/core/system-prompt/src/index.ts"
+    },
     {
       "doc": "docs/core-data-structures/system-prompt.md",
       "symbol": "PromptSection",
@@ -323,6 +328,11 @@
       "symbol": "EpochHeader",
       "source": "packages/core/session/src/types.ts"
     },
+    {
+      "doc": "docs/core-data-structures/session.md",
+      "symbol": "RequestContext",
+      "source": "packages/core/session/src/types.ts"
+    },
     {
       "doc": "docs/core-data-structures/session.md",
       "symbol": "TodoItem",
@@ -1029,6 +1039,11 @@
       "symbol": "CompactionTrigger",
       "source": "packages/compact/compact/src/index.ts"
     },
+    {
+      "doc": "docs/core-data-structures/compaction.md",
+      "symbol": "ManualCompactionErrorCode",
+      "source": "packages/compact/compact/src/index.ts"
+    },
     {
       "doc": "docs/core-data-structures/compaction.md",
       "symbol": "PrunedEntry",
diff --git a/scripts/verify-cordis-config.ts b/scripts/verify-cordis-config.ts
index 582da9dc65..bdb020a6a0 100644
--- a/scripts/verify-cordis-config.ts
+++ b/scripts/verify-cordis-config.ts
@@ -31,7 +31,10 @@ interface PluginReference {
 const root = resolve(import.meta.dirname, '..')
 // These example files are overlays consumed by the built dsh app, so their bare
 // specifiers resolve from apps/cli rather than the examples workspace.
-const appOverlayFiles = new Set(['examples/web-cordis/cordis.yml'])
+const appOverlayFiles = new Set([
+  'examples/web-cordis/cordis.yml',
+  ...globSync('examples/mcp-memory/*.cordis.yml', { cwd: root }),
+])
 const metadataFields = ['id', 'name', 'group', 'disabled', 'inject', 'intercept', 'isolate'] as const
 
 /** The adaptive directory-picker chooser package (mounts a backend row at boot). */
diff --git a/scripts/verify-package-readme-model-experience.ts b/scripts/verify-package-readme-model-experience.ts
index 24debd782c..4104ff8fdc 100644
--- a/scripts/verify-package-readme-model-experience.ts
+++ b/scripts/verify-package-readme-model-experience.ts
@@ -77,7 +77,6 @@ const SENTENCE_MODEL_EXPERIENCE: Readonly<Record<string, SentenceContract>> = {
   'packages/examples/agent-spine-demo': { kind: 'indirect', reason: 'The bundle only mounts model-facing child plugins.' },
   'packages/fs/fs': { kind: 'indirect', reason: 'The service interface delegates model rendering to dsh-tool-fs.' },
   'packages/fs/fs-local': { kind: 'indirect', reason: 'The provider backend delegates model rendering to dsh-tool-fs.' },
-  'packages/fs/fs-sandbox': { kind: 'indirect', reason: 'The provider backend delegates model rendering to dsh-tool-fs.' },
   'packages/hooks/hook-protocol': { kind: 'indirect', reason: 'Only the hook bridge plugins render decoded hook output to a model.' },
   'packages/host/apiproxy': { kind: 'none', reason: 'The wire contract and fetch carriers move already-composed messages and register no model surface.' },
   'packages/host/directory-picker': { kind: 'none', reason: 'The GUI-host picking seam registers no model surface.' },
@@ -92,7 +91,6 @@ const SENTENCE_MODEL_EXPERIENCE: Readonly<Record<string, SentenceContract>> = {
   'packages/subprocess/subprocess': { kind: 'indirect', reason: 'The seam delegates all model rendering to consumer seams such as the bash executor family.' },
   'packages/subprocess/subprocess-local': { kind: 'indirect', reason: 'The spawn backend delegates model rendering to consumer seams such as the bash executor family.' },
   'packages/sandbox/sandbox-local': { kind: 'indirect', reason: 'The provider backend delegates model rendering to dsh-bash-sandbox and dsh-tool-bash.' },
-  'packages/sandbox/sandbox-policy': { kind: 'indirect', reason: 'The policy service holds the mode dsh-tool-bash and dsh-tool-fs render in their denial markers.' },
   'packages/sdk/create-sdk': { kind: 'indirect', reason: 'The initializer only writes project files; selected runtime plugins provide the generated project model surface.' },
   'packages/sdk/helper': { kind: 'none', reason: 'The project domain edits files and registers no live agent or model surface.' },
   'packages/sdk/scripts': { kind: 'indirect', reason: 'The launcher delegates model context to the loaded project plugin tree.' },
diff --git a/scripts/vitest-environment.compat.spec.ts b/scripts/vitest-environment.compat.spec.ts
new file mode 100644
index 0000000000..fae1fc29fd
--- /dev/null
+++ b/scripts/vitest-environment.compat.spec.ts
@@ -0,0 +1,14 @@
+// @vitest-environment jsdom
+import { describe, expect, it } from 'vitest'
+
+describe('Vitest jsdom compatibility', () => {
+  it('provides isolated browser storage instead of Node process storage', () => {
+    if (process.allowedNodeEnvironmentFlags.has('--webstorage')) {
+      expect(process.execArgv.filter(argument => argument === '--no-webstorage')).toHaveLength(1)
+    }
+    localStorage.setItem('dsh-vitest-storage-probe', 'available')
+
+    expect(localStorage.getItem('dsh-vitest-storage-probe')).toBe('available')
+    localStorage.removeItem('dsh-vitest-storage-probe')
+  })
+})
diff --git a/tsconfig.base.json b/tsconfig.base.json
index f902aa21a5..2d078202e7 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -56,8 +56,10 @@
       "@deepseek-ai/dsh-goal/client": ["./packages/goal/goal/src/client.ts"],
       "@deepseek-ai/dsh-llm/types": ["./packages/llm/llm/src/types.ts"],
       "@deepseek-ai/dsh-llm/brand": ["./packages/llm/llm/src/brand.ts"],
+      "@deepseek-ai/dsh-llm-retry/types": ["./packages/llm/llm-retry/src/types.ts"],
       "@deepseek-ai/dsh-llm/message": ["./packages/llm/llm/src/message.ts"],
       "@deepseek-ai/dsh-commands/brand": ["./packages/ui/commands/src/brand.ts"],
+      "@deepseek-ai/dsh-compact/checkpoint": ["./packages/compact/compact/src/checkpoint.ts"],
       "@deepseek-ai/dsh-tui/prompt": ["./packages/ui/tui/src/prompt.ts"],
       "@deepseek-ai/dsh-tools/presentation": ["./packages/core/tools/src/presentation.ts"],
       "@deepseek-ai/dsh-user-approval/types": ["./packages/ui/user-approval/src/types.ts"],
@@ -122,11 +124,12 @@
       "@deepseek-ai/dsh-host-apiproxy": ["./packages/host/apiproxy/src"],
       "@deepseek-ai/dsh-host-directory-picker": ["./packages/host/directory-picker/src"],
       "@deepseek-ai/dsh-host-directory-picker/*": ["./packages/host/directory-picker/src/*"],
-      "@deepseek-ai/dsh-host-directory-picker-auto": ["./packages/host/directory-picker-auto/src"],
       "@deepseek-ai/dsh-host-directory-picker-browse": ["./packages/host/directory-picker-browse/src"],
       "@deepseek-ai/dsh-host-directory-picker-browse/*": ["./packages/host/directory-picker-browse/src/*"],
       "@deepseek-ai/dsh-host-directory-picker-native": ["./packages/host/directory-picker-native/src"],
       "@deepseek-ai/dsh-host-directory-picker-native/*": ["./packages/host/directory-picker-native/src/*"],
+      "@deepseek-ai/dsh-host-directory-picker-auto": ["./packages/host/directory-picker-auto/src"],
+      "@deepseek-ai/dsh-host-directory-picker-auto/*": ["./packages/host/directory-picker-auto/src/*"],
       "@deepseek-ai/dsh-host-apiproxy/client": ["./packages/host/apiproxy/src/fetch/client.ts"],
       "@deepseek-ai/dsh-host-apiproxy/*": ["./packages/host/apiproxy/src/*"],
       "@deepseek-ai/dsh-host-webserver": ["./packages/host/webserver/src"],
diff --git a/tsconfig.client.json b/tsconfig.client.json
index 62b2cb7999..e1d4088061 100644
--- a/tsconfig.client.json
+++ b/tsconfig.client.json
@@ -37,6 +37,13 @@
     // client-side Context merges keep it out of the host program.
     { "path": "./packages/host/directory-picker-native" },
     { "path": "./packages/host/directory-picker-browse" },
+    // Compaction seam: the client-runtime pin test value-imports the canonical
+    // checkpoint const from the cordis-free dsh-compact/checkpoint leaf and
+    // deliberately never loads the dsh-compact package root or the host-side
+    // Context merges reachable through it. The client package pins the same
+    // leaf through a type-only import in transcript-adapter.ts; composite
+    // rootDir rules make both paths depend on this runtime project reference.
+    { "path": "./packages/compact/compact" },
     { "path": "./packages/client/ui-slots" },
     { "path": "./packages/client/schema-form" },
     { "path": "./packages/client/ui-primitives" },
diff --git a/tsconfig.host.json b/tsconfig.host.json
index 4d111917a0..bae800f3ff 100644
--- a/tsconfig.host.json
+++ b/tsconfig.host.json
@@ -11,6 +11,7 @@
     "apps/web/tests/scaffold.ts",
     "apps/web/tests/support.ts",
     "apps/web/tests/scaffold-hermetic.e2e.ts",
+    "apps/web/tests/core-web-profile.snapshot.ts",
     "apps/web/tests/live-interactions.e2e.ts",
     "apps/web/tests/question-composer.e2e.ts",
     "apps/web/tests/approval-composer.e2e.ts",
@@ -27,10 +28,16 @@
     "apps/web/tests/seeded-history.e2e.ts",
     "apps/web/tests/sidebar-scrollbar.e2e.ts",
     "apps/web/tests/code-mode-round.e2e.ts",
+    "apps/web/tests/composer-draft-scroll.e2e.ts",
     "apps/web/tests/cordis-tool-round.e2e.ts",
+    "apps/web/tests/web-search-round.e2e.ts",
     "apps/web/tests/message-actions.e2e.ts",
     "apps/web/tests/queue-actions.e2e.ts",
     "apps/web/tests/skill-invocation-policy.e2e.ts",
+    "apps/web/tests/permission-policy-context.e2e.ts",
+    "apps/web/tests/access-confirmation.e2e.ts",
+    "apps/web/tests/shipped-composition.e2e.ts",
+    "apps/web/tests/startup-auto-selection.e2e.ts",
     "apps/cli/tests/**/*.ts",
     "examples/*/src/**/*.ts",
     "examples/*/start.ts",
@@ -143,6 +150,7 @@
     { "path": "./packages/fs/tool-str-replace-editor" },
     { "path": "./packages/compact/compact" },
     { "path": "./packages/compact/compact-basic" },
+    { "path": "./packages/compact/command-compact" },
     { "path": "./packages/compact/compact-tool-result-prune" },
     { "path": "./packages/web/web" },
     { "path": "./packages/web/web-search-exa" },
diff --git a/vendor/README.md b/vendor/README.md
index b140c057ab..2d3e1b6b05 100644
--- a/vendor/README.md
+++ b/vendor/README.md
@@ -39,6 +39,7 @@ Keep this log exhaustive — every divergence from upstream must be listed.
 7. **`cordis/src/*.ts` JSDoc enrichment**: added `@param`/`@returns` tags and contract documentation (disposal semantics, waterfall veto, bail conditions, error cases) across the public plugin-author surface — `Context` (class, statics, and the `Context` interface properties incl. `root`), `EventsService`, `Fiber`, `RegistryService`, `ReflectService`, `Service`, `LoggerService` and their `declare module './context.ts'` overloads. Comment-only; no code changes. Motivation: the website API-reference generator renders these docs and hard-errors on undocumented members. Retire this entry when the enrichment is upstreamed to the fork.
 8. **`include/src/index.ts` hot-reload hardening**: `refresh()` awaits the full read-and-update and catches failures (logging a warning and keeping the last good entry tree) instead of rethrowing — upstream's throw escaped `@cordisjs/plugin-hmr`'s async watcher callback as an unhandled rejection, so one bad `cordis.yml` edit killed a live app. `read()` rejects a non-array parse result (an empty or mid-write truncated file parses to `undefined`, which upstream later crashed on) and commits `content`/`data` only on success, so reverting an edit to the exact last good content reads as "unchanged". `refresh()` and the `internal/update` listener re-apply `config.patches` before `root.update()`, matching initial load; upstream applied patches only in `[Service.init]`, so any config hot-reload silently reverted overlay-patched entries and removed inserted ones. `applyPatches` deep-copies via `structuredClone` instead of mutating the cached parse (repeated application converges; removing a patch reverts), and the veto-style `internal/update` listener persists the incoming config itself (`Fiber.update` only assigns behind `next()`), so later re-reads use the new patches. `[Service.init]` falls back to `initial` only on `ENOENT`; an existing-but-invalid file fails loud with its real parse error instead of "config file not found" (or a silent overwrite). `applyPatches` also indexes each `insert`ed entry as it is added, so a later patch in the same list can configure or disable a row an earlier patch inserted; upstream built the id index once before the patch loop, leaving inserted rows silently unpatchable. That matters because `dsh` composes one shared base (`apps/cli/config/base.cordis.yml`) with a surface overlay, an optional `--config` overlay, and the personal `~/.dsh/config.yaml` as sibling patch lists at one include level — patches never cross an include boundary, so surface-only rows would otherwise be unreachable from user config. Covered by `packages/ui/app-boot/tests/config-reload.spec.ts`.
 9. **Vendored Node-compatible TypeScript**: marked erased imports explicitly across `cordis`, `loader`, `include`, `hmr`, and `schemastery` so Node's native TypeScript transform does not request types as runtime exports. Schemastery's source uses an ESM default export and its package declares `type: module`; its built ESM/CJS entries retain explicit `.mjs`/`.cjs` extensions.
+10. **`include/src/index.ts` patch-semantics export**: extracted the private `applyPatches` body into the exported pure function `applyEntryPatches(data, patches, warn)` (the method delegates to it) and exported the `!!js` YAML dialect as `entryListSchema`, so `dsh --dump-config` composes and prints exactly what the include would mount without booting a tree. Behavior-preserving for mounting; the extraction exists because config tooling must never reimplement (and drift from) the patch algorithm.
 
 ## Sync procedure
 
diff --git a/vendor/include/src/index.ts b/vendor/include/src/index.ts
index 29f6a3a951..29c894401c 100644
--- a/vendor/include/src/index.ts
+++ b/vendor/include/src/index.ts
@@ -13,7 +13,15 @@ const JsExpr = new yaml.Type('tag:yaml.org,2002:js', {
   represent: (data) => data['__jsExpr'],
 })
 
-const schema = yaml.JSON_SCHEMA.extend(JsExpr)
+/**
+ * The entry-list YAML dialect: `!!js` scalars round-trip as expression nodes
+ * the Loader evaluates at entry activation. Exported so config tooling
+ * (`dsh --dump-config`) parses and prints exactly the dialect this include
+ * mounts.
+ */
+export const entryListSchema = yaml.JSON_SCHEMA.extend(JsExpr)
+
+const schema = entryListSchema
 
 const writable: Record<string, string> = {
   '.json': 'application/json',
@@ -23,6 +31,92 @@ const writable: Record<string, string> = {
 
 const supported = new Set(Object.keys(writable))
 
+/**
+ * Apply patch lists to an entry list — THE patch semantics of this include,
+ * shared by mounting (`applyPatches`) and offline config tooling
+ * (`dsh --dump-config`) so a dump can never drift from what boots. The input
+ * is never mutated: patching shared entry objects would bake earlier patch
+ * values into the cached parse, so repeated application (config hot-reloads)
+ * could never revert a removed or changed patch. Inserted entries are indexed
+ * as they are added, so a later patch in the same list can target a row an
+ * earlier patch inserted. A patch that matches nothing warns and is skipped.
+ * @param data - the parsed entry list (JSON-safe plain data).
+ * @param patches - the patch list to apply, in order.
+ * @param warn - sink for skipped-patch diagnostics (printf-style, `%C` = code).
+ * @returns a detached entry list with every applicable patch applied.
+ */
+export function applyEntryPatches(
+  data: EntryOptions[],
+  patches: PatchOptions[] | undefined,
+  warn: (message: string, ...args: any[]) => void,
+): EntryOptions[] {
+  if (!patches?.length) return [...data]
+  data = structuredClone(data)
+
+  const entryMap = new Map<string, EntryOptions>()
+  const buildMap = (entries: EntryOptions[]) => {
+    for (const entry of entries) {
+      if (entry.id) entryMap.set(entry.id, entry)
+      if (entry.group && Array.isArray(entry.config)) {
+        buildMap(entry.config)
+      }
+    }
+  }
+  buildMap(data)
+
+  for (const patch of patches) {
+    const { id, insert, name, ...overrides } = patch
+
+    if (insert) {
+      if (id) {
+        const target = entryMap.get(id)
+        if (!target) {
+          warn('patch insert: entry %C not found', id)
+          continue
+        }
+        if (!target.group) {
+          warn('patch insert: entry %C is not a group', id)
+          continue
+        }
+        if (!Array.isArray(target.config)) target.config = []
+        target.config.push(...insert)
+      } else {
+        data.push(...insert)
+      }
+      // Index what this patch added so a LATER patch in the same list can
+      // target it. Patch lists compose one layer per source (surface overlay,
+      // then `--config`, then the user's), and a layer must be able to
+      // configure or disable a row an earlier layer inserted; without this,
+      // inserted rows were silently unpatchable.
+      buildMap(insert)
+      continue
+    }
+
+    if (!id) {
+      warn('patch: id is required for non-insert patches')
+      continue
+    }
+
+    const target = entryMap.get(id)
+    if (!target) {
+      warn('patch: entry %C not found', id)
+      continue
+    }
+
+    if (name && name !== target.name) {
+      warn('patch: name mismatch for %C (expected %C, got %C), skipping', id, target.name, name)
+      continue
+    }
+
+    for (const [key, value] of Object.entries(overrides)) {
+      if (key === 'id') continue
+      target[key] = value
+    }
+  }
+
+  return data
+}
+
 /** Runtime patch applied to entries loaded from an included config file. */
 export interface PatchOptions {
   id?: string
@@ -125,79 +219,9 @@ export class Include extends EntryTree {
   }
 
   private applyPatches(data: EntryOptions[], patches = this.config.patches): EntryOptions[] {
-    // Always detach from the cached parse: patching shared entry objects would
-    // bake earlier patch values into `this.data`, so repeated application
-    // (config hot-reloads) could never revert a removed or changed patch. The
-    // supported extensions guarantee JSON-safe plain data, so `structuredClone`
-    // cannot throw here.
-    if (!patches?.length) return [...data]
-    data = structuredClone(data)
-
-    const entryMap = new Map<string, EntryOptions>()
-    const buildMap = (entries: EntryOptions[]) => {
-      for (const entry of entries) {
-        if (entry.id) entryMap.set(entry.id, entry)
-        if (entry.group && Array.isArray(entry.config)) {
-          buildMap(entry.config)
-        }
-      }
-    }
-    buildMap(data)
-
-    for (const patch of patches) {
-      const { id, insert, name, ...overrides } = patch
-
-      if (insert) {
-        if (id) {
-          const target = entryMap.get(id)
-          if (!target) {
-            this.ctx.root.logger?.('loader').warn('patch insert: entry %C not found', id)
-            continue
-          }
-          if (!target.group) {
-            this.ctx.root.logger?.('loader').warn('patch insert: entry %C is not a group', id)
-            continue
-          }
-          if (!Array.isArray(target.config)) target.config = []
-          target.config.push(...insert)
-        } else {
-          data.push(...insert)
-        }
-        // Index what this patch added so a LATER patch in the same list can
-        // target it. Patch lists compose one layer per source (surface overlay,
-        // then `--config`, then the user's), and a layer must be able to
-        // configure or disable a row an earlier layer inserted; without this,
-        // inserted rows were silently unpatchable.
-        buildMap(insert)
-        continue
-      }
-
-      if (!id) {
-        this.ctx.root.logger?.('loader').warn('patch: id is required for non-insert patches')
-        continue
-      }
-
-      const target = entryMap.get(id)
-      if (!target) {
-        this.ctx.root.logger?.('loader').warn('patch: entry %C not found', id)
-        continue
-      }
-
-      if (name && name !== target.name) {
-        this.ctx.root.logger?.('loader').warn(
-          'patch: name mismatch for %C (expected %C, got %C), skipping',
-          id, target.name, name,
-        )
-        continue
-      }
-
-      for (const [key, value] of Object.entries(overrides)) {
-        if (key === 'id') continue
-        target[key] = value
-      }
-    }
-
-    return data
+    return applyEntryPatches(data, patches, (message, ...args) => {
+      this.ctx.root.logger?.('loader').warn(message, ...args)
+    })
   }
 
   async* [Service.init]() {
diff --git a/vitest.config.ts b/vitest.config.ts
index db44166e6c..5f542feee6 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -1,5 +1,6 @@
 import tsconfigPaths from 'vite-tsconfig-paths'
 import { defineConfig } from 'vitest/config'
+import { vitestExecArgv } from './vitest.shared.ts'
 import { COVERAGE_EXEMPT_ENV, coverageExemptHeavySuites } from './scripts/coverage-exempt.ts'
 
 // Resolution facade shared by every plugin instance below: tsconfig.base.json
@@ -67,13 +68,15 @@ export default defineConfig({
     // .tsx: client component specs (jsdom via per-file @vitest-environment pragma).
     include: testIncludes,
     exclude: windowsUnsupportedPackages.map(path => `${path}/tests/**/*.spec.ts`),
-    // One coverage invocation aggregates both projects. Most suites use threads
-    // for lower startup/IPC overhead; only explicit process-bound suites fork.
+    // One coverage invocation aggregates both projects. Regular suites fork on
+    // POSIX for Node stability and use threads on Windows; process-bound suites
+    // always fork.
     projects: [
       {
         plugins: [pathsPlugin()],
         test: {
           name: 'thread-safe',
+          execArgv: vitestExecArgv,
           // Node 24 has aborted in its CJS lexer (v8::ToLocalChecked Empty
           // MaybeLocal in cjs_lexer::Parse) from worker threads on macOS
           // arm64 and later on Linux. A fork contains that external runtime
@@ -93,6 +96,7 @@ export default defineConfig({
         plugins: [pathsPlugin()],
         test: {
           name: 'process-bound',
+          execArgv: vitestExecArgv,
           pool: 'forks',
           setupFiles: ['./scripts/test-invariants.ts'],
           include: processBoundTests,
@@ -126,6 +130,7 @@ export default defineConfig({
         'packages/client/ui-primitives/src/markdown/plain-text.ts',
         'packages/client/ui-question/src/client/QuestionComposer.tsx',
         'packages/client/ui-primitives/src/Menu.tsx',
+        'packages/client/ui-primitives/src/RiskConfirmation.tsx',
         'packages/client/ui-workspace/src/client/WorkspaceBrowser.tsx',
         'packages/client/ui-workspace/src/client/WorkspacePicker.tsx',
         'packages/client/web-react/src/*',
diff --git a/vitest.e2e.config.ts b/vitest.e2e.config.ts
index 3f9ceada28..d8e6aa53a7 100644
--- a/vitest.e2e.config.ts
+++ b/vitest.e2e.config.ts
@@ -1,5 +1,6 @@
 import tsconfigPaths from 'vite-tsconfig-paths'
 import { defineConfig } from 'vitest/config'
+import { vitestExecArgv } from './vitest.shared.ts'
 
 // Real-API suite, separate because it spends tokens. Each test self-skips without
 // its provider credential for keyless CI; credentialed workflows preflight the
@@ -37,6 +38,7 @@ export default defineConfig({
   // entirely.
   plugins: [tsconfigPaths({ projects: ['./tsconfig.base.json'] })],
   test: {
+    execArgv: vitestExecArgv,
     setupFiles: ['./scripts/test-invariants.ts'],
     // apps/cli only, not apps/*: apps/web/tests/*.e2e.ts needs the built
     // frontend dist and runs under vitest.web.config.ts (the test:web job).
diff --git a/vitest.shared.ts b/vitest.shared.ts
new file mode 100644
index 0000000000..506fabb380
--- /dev/null
+++ b/vitest.shared.ts
@@ -0,0 +1,5 @@
+/**
+ * Worker arguments that keep process-wide Web Storage from shadowing jsdom storage.
+ * Node lists the positive spelling in `allowedNodeEnvironmentFlags` for this negatable flag.
+ */
+export const vitestExecArgv = process.allowedNodeEnvironmentFlags.has('--webstorage') ? ['--no-webstorage'] : []
diff --git a/vitest.snapshot.config.ts b/vitest.snapshot.config.ts
index b14422d2f8..6a08eeb3eb 100644
--- a/vitest.snapshot.config.ts
+++ b/vitest.snapshot.config.ts
@@ -1,6 +1,7 @@
 import { availableParallelism } from 'node:os'
 import tsconfigPaths from 'vite-tsconfig-paths'
 import { defineConfig } from 'vitest/config'
+import { vitestExecArgv } from './vitest.shared.ts'
 
 const DEFAULT_SNAPSHOT_MAX_CONCURRENCY = 5
 
@@ -41,6 +42,7 @@ export default defineConfig({
   // this (the root tsconfig is a solution file with no paths).
   plugins: [tsconfigPaths({ projects: ['./tsconfig.base.json'] })],
   test: {
+    execArgv: vitestExecArgv,
     setupFiles: ['./scripts/test-invariants.ts'],
     include: [
       'scripts/**/*.snapshot.ts',
diff --git a/vitest.web.config.ts b/vitest.web.config.ts
index fd9ca502bc..e6e1efa1f4 100644
--- a/vitest.web.config.ts
+++ b/vitest.web.config.ts
@@ -1,5 +1,6 @@
 import tsconfigPaths from 'vite-tsconfig-paths'
 import { defineConfig } from 'vitest/config'
+import { vitestExecArgv } from './vitest.shared.ts'
 
 // Web browser lane: real host entry points, built-client interaction snapshots,
 // and replayed keyless e2e scenarios outside the unit/e2e includes. Linux PR CI
@@ -18,6 +19,7 @@ export default defineConfig({
   // workspace imports to source like every other lane.
   plugins: [tsconfigPaths({ projects: ['./tsconfig.base.json'] })],
   test: {
+    execArgv: vitestExecArgv,
     include: [
       'apps/web/tests/**/*.e2e.ts',
       'apps/web/tests/**/*.snapshot.ts',
diff --git a/website/docs.ts b/website/docs.ts
index a640d01e18..8d42ae3209 100644
--- a/website/docs.ts
+++ b/website/docs.ts
@@ -37,6 +37,8 @@ export interface DocsPage {
   section: string
   /** Stable order within the section. */
   order: number
+  /** Heading levels included in this page's VitePress outline. */
+  outline?: number | readonly [number, number] | 'deep' | false
   /** Additional repository paths that resolve to this page. */
   sourceAliases?: string[]
 }
@@ -49,6 +51,7 @@ interface MirroredPage {
   sidebar: Record<DocsLocale, DocsSidebar | null>
   section: Record<DocsLocale, string>
   order: number
+  outline?: DocsPage['outline']
   sourceAliases?: string[] | Partial<Record<DocsLocale, string[]>>
 }
 
@@ -79,6 +82,7 @@ function mirroredPages(pages: MirroredPage[]): DocsPage[] {
       sidebar: page.sidebar[locale],
       section: page.section[locale],
       order: page.order,
+      ...(page.outline === undefined ? {} : { outline: page.outline }),
       ...(aliases === undefined ? {} : { sourceAliases: aliases }),
     }
   }))
@@ -288,8 +292,8 @@ const reference = mirroredPages([
     ['docs/tool-catalog.md', 'reference/tool-catalog.md', 'Tool Schema', 'Tool schemas'],
     ['docs/cordis-catalog/services.md', 'reference/cordis-catalog/services.md', '服务', 'Services'],
     ['docs/cordis-catalog/events.md', 'reference/cordis-catalog/events.md', '事件', 'Events'],
-    ['docs/persistence-catalog.md', 'reference/persistence-catalog.md', '持久化事件', 'Persistence events'],
-  ] as const).map(([source, route, rootLabel, enLabel], order): MirroredPage => ({
+    ['docs/persistence-catalog.md', 'reference/persistence-catalog.md', '持久化事件', 'Persistence events', 'deep'],
+  ] as const).map(([source, route, rootLabel, enLabel, outline], order): MirroredPage => ({
     source,
     route,
     contentLocale: 'en-US',
@@ -297,6 +301,7 @@ const reference = mirroredPages([
     sidebar: { root: 'zh-reference', en: 'en-reference' },
     section: { root: '生成参考', en: 'Generated reference' },
     order,
+    ...(outline === undefined ? {} : { outline }),
   })),
   ...([
     ['context.md', 'Context', 'Context'],