diff --git a/.agents/notes/implemented/feature/2026-06-24-workspace-context.i18n.yaml b/.agents/notes/implemented/feature/2026-06-24-workspace-context.i18n.yaml
index 5f045324dd..b507bd16e4 100644
--- a/.agents/notes/implemented/feature/2026-06-24-workspace-context.i18n.yaml
+++ b/.agents/notes/implemented/feature/2026-06-24-workspace-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/2026-06-24-workspace-context.md
-2026-06-24-workspace-context.md: df7ae58f8a42a8c1aac8113a429ef0f50b2fb795
-2026-06-24-workspace-context.zh.md: aecc57a5c63b4c6282260863f4183944c14b5cf8
+2026-06-24-workspace-context.md: 2f3a76ee1d6cedea96f6297bd2746299733f173b
+2026-06-24-workspace-context.zh.md: 99ba69b231f3bc7a26cf61c5ab4056b70ca3db54
diff --git a/.agents/notes/implemented/feature/2026-06-24-workspace-context.md b/.agents/notes/implemented/feature/2026-06-24-workspace-context.md
index df7ae58f8a..2f3a76ee1d 100644
--- a/.agents/notes/implemented/feature/2026-06-24-workspace-context.md
+++ b/.agents/notes/implemented/feature/2026-06-24-workspace-context.md
@@ -32,7 +32,7 @@ At the first `agent/pre-step` of an agent-loop instance, the plugin composes one
The baseline becomes a durable `user/message` with a typed `workspace-instructions` source. Its `baseline: true` marker distinguishes the complete startup or resume baseline from later deltas, and its change list persists the included scopes and content digests. If a previously queued workspace baseline is still pending, the plugin removes that exact message and prepends its replacement instead of accumulating duplicates.
-A resumed agent creates a new loop instance and injects a baseline composed from current files before its first request. This permits current baseline content on resume without mutating an earlier history event. A resume and a hot plugin remount both face a log that may already hold a baseline; they are told apart by `agent/session-start`, which a startup or resume emits before the first step while a remount attaches to an already-live session and never sees it. A remount retains the existing baseline only when its typed event remains in the current visible surface, and still rebuilds scope and provider-version tracking from current files. If compaction has shadowed that event, the remount injects a current baseline. A resume always re-composes.
+A resumed agent creates a new loop instance and injects a baseline composed from current files before its first request. This permits current baseline content on resume without mutating an earlier history event. A resume and a hot plugin remount both face a log that may already hold a baseline; they are told apart by `agent/session-start`, which a startup or resume emits before the first step while a remount attaches to an already-live session and never sees it. A remount retains the existing baseline only when its typed event remains in the current visible surface, and still rebuilds scope and provider-version tracking from current files. If compaction has shadowed that event, the next entering pre-step composes a current baseline and carries it in the same request, including after a remount. A resume always re-composes.
The baseline is a user-role `` with `Instructions from: ` sections and explicit authority and precedence language. This familiar model-facing frame avoids a harness-specific XML vocabulary. Project paths are root-relative and the user-global path is `~/.dsh/AGENTS.md` for the default home or `$DSH_HOME/AGENTS.md` for a configured home. The final rendering boundary escapes a literal `` anywhere in instruction content or model-visible path, scope, and budget metadata before byte accounting completes. The package README owns the exact current [prompt shape](../../../../packages/context/workspace-context/README.md#prompt-shape).
@@ -54,7 +54,7 @@ At reconciliation time the plugin scans workspace-sourced `user/message` events
An unchanged path and digest is suppressed. A logged removal is a tombstone, so a reappearing candidate becomes a new `set`. Resume works from persisted metadata. If compaction removes an instruction event from the visible surface, that state no longer suppresses a later load, matching the fact that the model can no longer see it. Only changes actually included under the byte budget enter metadata or pending state, so an omitted file remains eligible on a later touch.
-The initial baseline's typed changes are comparison state only while its event remains in the visible session surface. A later successful filesystem touch re-adds an unchanged baseline scope after compaction, or appends baseline edits or removals as dynamic messages; it never rewrites the original event. The in-memory scope marker and provider-version cache only select and accelerate probes, so neither can suppress context the model no longer sees. During resumed baseline preparation the plugin also reconciles visible dynamic scopes, so nested changes made while the agent was offline can append an update before the first resumed request.
+The initial baseline's typed changes are comparison state only while its event remains in the visible session surface. When compaction shadows that event, the next entering pre-step composes the current baseline and records it in the same request; a successful filesystem touch can instead re-add an unchanged baseline scope or append baseline edits or removals as dynamic messages. Neither path rewrites the original event. The in-memory scope marker and provider-version cache only select and accelerate probes, so neither can suppress context the model no longer sees. During resumed baseline preparation the plugin also reconciles visible dynamic scopes, so nested changes made while the agent was offline can append an update before the first resumed request.
There is intentionally no watcher. Detection occurs at the next successful structured filesystem touch or resumed baseline preparation. A provider failure produces no removal; absence is only accepted when all configured candidates in that scope were probed successfully.
diff --git a/.agents/notes/implemented/feature/2026-06-24-workspace-context.zh.md b/.agents/notes/implemented/feature/2026-06-24-workspace-context.zh.md
index aecc57a5c6..99ba69b231 100644
--- a/.agents/notes/implemented/feature/2026-06-24-workspace-context.zh.md
+++ b/.agents/notes/implemented/feature/2026-06-24-workspace-context.zh.md
@@ -32,7 +32,7 @@ Status: implemented
该基线会成为一条持久 `user/message`,并携带带类型的 `workspace-instructions` 来源。其 `baseline: true` 标记将完整的启动或恢复基线与后续增量区分开来,变更列表则持久保存已纳入的作用域和内容 digest。若先前排队的 workspace 基线仍在等待,插件会删除该确切消息并 prepend 替代值,而不会累积副本。
-恢复 agent 会创建新的循环实例,并在其第一次请求前注入由当前文件组合的基线。这样,恢复时可以使用当前基线内容,而无需修改先前的历史事件。恢复与插件热重挂都会面对日志中可能已存在基线的情况;二者通过 `agent/session-start` 区分:启动或恢复会在第一步前发出该事件,而热重挂附着到一个已存活的会话、永远不会看到它。只有当基线的类型化事件仍在当前可见表层中时,热重挂才保留既有基线,同时仍会根据当前文件重建 scope 与提供方版本跟踪。如果压缩(compaction)已遮蔽该事件,热重挂会注入当前基线。恢复则始终重新组合。
+恢复 agent 会创建新的循环实例,并在其第一次请求前注入由当前文件组合的基线。这样,恢复时可以使用当前基线内容,而无需修改先前的历史事件。恢复与插件热重挂都会面对日志中可能已存在基线的情况;二者通过 `agent/session-start` 区分:启动或恢复会在第一步前发出该事件,而热重挂附着到一个已存活的会话、永远不会看到它。只有当基线的类型化事件仍在当前可见表层中时,热重挂才保留既有基线,同时仍会根据当前文件重建 scope 与提供方版本跟踪。如果压缩(compaction)已遮蔽该事件,下一次进入步骤的 pre-step 会组合当前基线并在同一请求中携带它;热重挂后也是如此。恢复则始终重新组合。
基线是一条 user 角色的 ``,包含 `Instructions from: ` 章节,以及明确的权威性与优先级说明。这种熟悉的模型可见框架避免引入 harness 专用的 XML 词汇。项目路径相对于根目录;使用默认 home 时,用户全局路径为 `~/.dsh/AGENTS.md`,使用已配置 home 时则为 `$DSH_HOME/AGENTS.md`。最终渲染边界会在完成字节核算前,转义指令内容或模型可见的路径、scope 与预算元数据中出现的字面量 ``。包 README 负责规定当前准确的[提示词形态](../../../../packages/context/workspace-context/README.md#prompt-shape)。
@@ -54,7 +54,7 @@ shell 命令不会触发发现。本地 bash 调用会启动全新的 shell,
路径和 digest 均未变化时会被抑制。日志中的移除操作是一条墓碑记录,因此重新出现的候选项会成为新的 `set`。恢复操作从持久化元数据继续工作。如果压缩从可见表面移除某条指令事件,该状态不再抑制后续加载,这与模型已经无法看见它的事实一致。只有真正纳入字节预算的变更才会进入元数据或待处理状态,因此被省略的文件在之后的触碰中仍有资格加载。
-只有当初始基线事件仍在可见会话表层中时,其类型化变更才用作比较状态。后续成功的文件系统触碰会在压缩后重新添加未变化的基线 scope,或把基线编辑或移除操作追加为动态消息;它绝不重写原始事件。内存中的 scope 标记和提供方版本 cache 只用于选择探测对象并加速探测,因此二者都不能抑制模型已无法看见的上下文。恢复时准备基线的过程中,插件还会协调可见的动态作用域,因此 agent 离线期间发生的嵌套变更可以在第一次恢复请求前追加更新。
+只有当初始基线事件仍在可见会话表层中时,其类型化变更才用作比较状态。当压缩遮蔽该事件时,下一次进入步骤的 pre-step 会组合当前基线,并在同一请求中记录它;也可以改由一次成功的文件系统触碰重新添加未变化的基线 scope,或把基线编辑或移除操作追加为动态消息。两条路径都不会重写原始事件。内存中的 scope 标记和提供方版本 cache 只用于选择探测对象并加速探测,因此二者都不能抑制模型已无法看见的上下文。恢复时准备基线的过程中,插件还会协调可见的动态作用域,因此 agent 离线期间发生的嵌套变更可以在第一次恢复请求前追加更新。
系统刻意不使用文件监视器。检测发生在下一次成功的结构化文件系统触碰或恢复时的基线准备。提供方失败不会产生移除;只有该作用域中的全部已配置候选项都成功完成探测后,系统才接受「不存在」这一结论。
diff --git a/docs/architecture.i18n.yaml b/docs/architecture.i18n.yaml
index 60249999de..8daacae254 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: d0d59b83dac0de471e852feec2f8ca3cd04b290e
-architecture.zh.md: b76b9fec360863b80ccd39e8deaeedae33709f97
+architecture.md: 81464d9c8800556565c84d33239882dc750180a8
+architecture.zh.md: c02bca4f12c3758723b0fc818c89080dccf435d9
diff --git a/docs/architecture.md b/docs/architecture.md
index d0d59b83da..81464d9c88 100644
--- a/docs/architecture.md
+++ b/docs/architecture.md
@@ -158,7 +158,7 @@ A swappable capability usually has **interface / implementation / consumer** lay
Exceptions combine LLM interface/consumer, filesystem policy, web registries, and named skill/subagent providers. Subagents spawn fresh, fork a completed-turn prefix, use ACP children, or delegate one self-contained turn to a real product provider such as Codex ([subagent.md](core-data-structures/subagent.md)).
-`dsh-workspace-context` composes its baseline on the first `agent/pre-step` and folds it into the final entering batch right after the claimed prompt, so it reaches the first request with the direct prompt; rejection keeps it in the next-step inbox. Filesystem changes projected after tools are likewise folded into the next entering pre-step instead of creating a later context-only step ([decision](../.agents/notes/implemented/feature/2026-06-24-workspace-context.md)). `dsh-paths` owns shared paths.
+`dsh-workspace-context` composes its baseline on the first `agent/pre-step` and folds it into the final entering batch right after the claimed prompt, so it reaches the first request with the direct prompt; rejection keeps it in the next-step inbox. When compaction removes that baseline from the visible surface, the next entering pre-step composes the current baseline and carries it in the same request. Filesystem changes projected after tools are likewise folded into the next entering pre-step instead of creating a later context-only step ([decision](../.agents/notes/implemented/feature/2026-06-24-workspace-context.md)). `dsh-paths` owns shared paths.
### Bundles And Apps
diff --git a/docs/architecture.zh.md b/docs/architecture.zh.md
index b76b9fec36..c02bca4f12 100644
--- a/docs/architecture.zh.md
+++ b/docs/architecture.zh.md
@@ -158,7 +158,7 @@ idle inject:
例外情况包括 LLM(大语言模型)合并接口和消费方、文件系统整合策略、web 使用注册表、skill 和 subagent 使用具名提供方。subagent 可以通过 spawn 创建全新实例、fork 一个已完成轮次的前缀、使用 ACP(Agent Client Protocol)子 agent,或将一个独立完整的轮次委派给 Codex 等真实产品提供方([subagent.md](core-data-structures/subagent.md))。
-`dsh-workspace-context` 在第一次 `agent/pre-step` 组合基线并将它折入最终进入的批次、紧随已领取的直接提示词之后,使其与直接提示词一同抵达第一次请求;reject 则将它留在 next-step inbox。工具执行后投影的文件系统变更也会折入下一次进入步骤的 pre-step,而不会另外创建稍后的纯上下文步骤([决策](../.agents/notes/implemented/feature/2026-06-24-workspace-context.md))。`dsh-paths` 负责共享路径。
+`dsh-workspace-context` 在第一次 `agent/pre-step` 组合基线并将它折入最终进入的批次、紧随已领取的直接提示词之后,使其与直接提示词一同抵达第一次请求;reject 则将它留在 next-step inbox。当压缩从可见表层移除该基线时,下一次进入步骤的 pre-step 会组合当前基线,并在同一请求中携带它。工具执行后投影的文件系统变更也会折入下一次进入步骤的 pre-step,而不会另外创建稍后的纯上下文步骤([决策](../.agents/notes/implemented/feature/2026-06-24-workspace-context.md))。`dsh-paths` 负责共享路径。
### 组合包与应用
diff --git a/examples/acp-agent/tests/acp.snapshot.ts b/examples/acp-agent/tests/acp.snapshot.ts
index 225b033b56..bf4f7ac972 100644
--- a/examples/acp-agent/tests/acp.snapshot.ts
+++ b/examples/acp-agent/tests/acp.snapshot.ts
@@ -276,6 +276,8 @@ const SCENARIOS: Scenario[] = [
// symlinked instruction file to its target's content. A second nested path
// containing a literal closing tag is created at runtime: Git cannot check
// that name out on Windows, so this delimiter-injection case is POSIX-only.
+ // The fixture also shadows the baseline after the first touch finishes its
+ // projection; the next entering pre-step restores it before request 2.
// The scenario-specific config keeps home/root discovery hermetic, and the
// resulting prefix needs its own pinned header class.
{
diff --git a/examples/acp-agent/tests/fixtures/workspace-context-compaction.ts b/examples/acp-agent/tests/fixtures/workspace-context-compaction.ts
new file mode 100644
index 0000000000..e13e3cf6b3
--- /dev/null
+++ b/examples/acp-agent/tests/fixtures/workspace-context-compaction.ts
@@ -0,0 +1,36 @@
+import type { Context } from 'cordis'
+import type {} from '@deepseek-ai/dsh-agent'
+import { COMPACT_CHECKPOINT_SOURCE } from '@deepseek-ai/dsh-compact'
+import { createUserMessage } from '@deepseek-ai/dsh-llm'
+import type {} from '@deepseek-ai/dsh-tools'
+
+export const name = 'workspace-context-compaction'
+
+/** Replace the visible workspace baseline after the first touch is fully projected. */
+export function apply(ctx: Context): void {
+ ctx.on('tools/post-execute', async (exec, result, next) => {
+ const downstream = await next()
+ if (result.isError
+ || exec.agent === undefined
+ || exec.name !== 'read'
+ || typeof exec.arguments !== 'object'
+ || exec.arguments === null
+ || !('file_path' in exec.arguments)
+ || exec.arguments.file_path !== 'nested/task.txt') return downstream
+ const agent = exec.agent
+ const baseline = agent.session.surface.nodes
+ .map(seq => agent.session.events[seq])
+ .find(event => event?.type === 'user/message'
+ && event.data.source.kind === 'workspace-instructions'
+ && event.data.source.baseline === true)
+ if (baseline === undefined) throw new Error('workspace baseline missing before snapshot compaction')
+ agent.session.append('user/message', createUserMessage({
+ content: [{ type: 'text', text: 'Earlier context was compacted for this snapshot.' }],
+ source: COMPACT_CHECKPOINT_SOURCE,
+ }), {
+ surfaceOp: { op: 'replace', start: baseline.seq, end: baseline.seq },
+ sourceEventSeqs: [baseline.seq],
+ })
+ return downstream
+ })
+}
diff --git a/examples/acp-agent/tests/snapshots/workspace-context/session.jsonl b/examples/acp-agent/tests/snapshots/workspace-context/session.jsonl
index d51a6c820a..39fbedb11d 100644
--- a/examples/acp-agent/tests/snapshots/workspace-context/session.jsonl
+++ b/examples/acp-agent/tests/snapshots/workspace-context/session.jsonl
@@ -1,11 +1,11 @@
{"type":"session","version":0,"id":"{{sessionId}}","createdAt":0,"cwd":"{{cwd}}","delegationDepth":0}
-{"type":"agent/inbox/spliced","seq":0,"time":1785498790330,"data":{"target":"next-turn","start":0,"inserted":[{"content":[{"type":"text","text":"Read nested/task.txt, then read scope/task.txt with the read tool, then reply DONE."}],"source":{"kind":"user"},"role":"user","id":"22938d3b-c065-46c8-acb7-18f758285842"}]}}
+{"type":"agent/inbox/spliced","seq":0,"time":1785498790330,"data":{"target":"next-turn","start":0,"inserted":[{"content":[{"type":"text","text":"Read nested/task.txt, then read scope/task.txt with the read tool, then reply DONE."}],"source":{"kind":"user"},"role":"user","id":"81078e7a-6837-45c2-a6b4-a5a3dfce0d4a"}]}}
{"type":"turn/start","seq":1,"time":1785821400350,"data":{"turn":1}}
{"type":"agent/inbox/spliced","seq":2,"time":1785498790356,"data":{"target":"next-turn","start":0,"removedCount":1,"inserted":[]}}
{"type":"step/start","seq":3,"time":1785901433981,"data":{"turn":1,"step":1}}
-{"type":"user/message","seq":4,"time":1785498790356,"data":{"content":[{"type":"text","text":"Read nested/task.txt, then read scope/task.txt with the read tool, then reply DONE."}],"source":{"kind":"user"},"role":"user","id":"22938d3b-c065-46c8-acb7-18f758285842"},"surfaceOp":"append"}
-{"type":"user/message","seq":5,"time":1785901433982,"data":{"content":[{"type":"text","text":"\nThe following workspace instructions may be relevant to your work. Use them as guidance when applicable. More specific instructions take precedence over broader ones. They do not override system, developer, or direct user instructions.\n\nInstructions from: AGENTS.md\n\nRoot snapshot instruction.\n\n"}],"source":{"kind":"workspace-instructions","form":"instructions","baseline":true,"changes":[{"action":"set","scope":".\u0000AGENTS.md","path":"AGENTS.md","digest":"2e18766c26603608f321508caae00ea8f4434d59"}]},"role":"user","id":"ec039e95-6864-49ef-ad23-4f65b331dc29"},"surfaceOp":"append"}
-{"type":"user/message","seq":6,"time":1785730689193,"data":{"content":[{"type":"text","text":"Current runtime context. This snapshot supersedes earlier runtime-context snapshots.\n\nCurrent DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations.\n\nApproval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`)."}],"source":{"kind":"plugin","plugin":"@deepseek-ai/dsh-system-prompt","form":"snapshot","sections":[{"name":"sandbox:policy","text":"Current DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations."},{"name":"approval:policy","text":"Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`)."}]},"role":"user","id":"cbea9bd9-3e08-48bf-951f-fe3e5aa4b5d9"},"surfaceOp":"append"}
+{"type":"user/message","seq":4,"time":1785498790356,"data":{"content":[{"type":"text","text":"Read nested/task.txt, then read scope/task.txt with the read tool, then reply DONE."}],"source":{"kind":"user"},"role":"user","id":"81078e7a-6837-45c2-a6b4-a5a3dfce0d4a"},"surfaceOp":"append"}
+{"type":"user/message","seq":5,"time":1785901433982,"data":{"content":[{"type":"text","text":"\nThe following workspace instructions may be relevant to your work. Use them as guidance when applicable. More specific instructions take precedence over broader ones. They do not override system, developer, or direct user instructions.\n\nInstructions from: AGENTS.md\n\nRoot snapshot instruction.\n\n"}],"source":{"kind":"workspace-instructions","form":"instructions","baseline":true,"changes":[{"action":"set","scope":".\u0000AGENTS.md","path":"AGENTS.md","digest":"2e18766c26603608f321508caae00ea8f4434d59"}]},"role":"user","id":"4cba1848-cbb7-46fd-8cea-8497d54d0e63"},"surfaceOp":"append"}
+{"type":"user/message","seq":6,"time":1785730689193,"data":{"content":[{"type":"text","text":"Current runtime context. This snapshot supersedes earlier runtime-context snapshots.\n\nCurrent DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations.\n\nApproval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`)."}],"source":{"kind":"plugin","plugin":"@deepseek-ai/dsh-system-prompt","form":"snapshot","sections":[{"name":"sandbox:policy","text":"Current DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations."},{"name":"approval:policy","text":"Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`)."}]},"role":"user","id":"e4406554-e400-49c6-b8a3-0fe36841160b"},"surfaceOp":"append"}
{"type":"session/title","seq":7,"time":1785730689193,"data":{"title":"Read nested/task.txt, then read scope{{cwd}}/nested/task.txt\nfile\n\n1: snapshot task\n\n(End of file - total 1 lines)\n"}],"isError":false}],"role":"user","id":"260bbd5d-4496-40cf-b987-d1d944d93cf1"},"meta":{"path":"{{cwd}}/nested/task.txt","offset":1,"lines":[{"number":1,"text":"snapshot task"}],"totalLines":1}},"sourceEventSeqs":[16],"surfaceOp":"append"}
-{"type":"step/end","seq":18,"time":1785498790369,"data":{"turn":1,"step":1}}
-{"type":"agent/inbox/spliced","seq":19,"time":1785498790369,"data":{"target":"next-step","start":0,"inserted":[{"content":[{"type":"text","text":"\nAdditional instructions from: nested/AGENTS.md\n\nThese instructions apply to work under `nested`. Use them as guidance when relevant; more specific instructions take precedence. They do not override system, developer, or direct user instructions.\n\nNested snapshot instruction.\n\n"}],"source":{"kind":"workspace-instructions","form":"instructions","changes":[{"action":"set","scope":"nested\u0000AGENTS.md","path":"nested/AGENTS.md","digest":"c446df9a85c7e73a3055f394a4822a19ac9ead5a"}]},"role":"user","id":"10cdaa4b-9654-420e-afca-3cfb07e26754"}]}}
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-{"type":"step/start","seq":21,"time":1785730689212,"data":{"turn":1,"step":2}}
-{"type":"user/message","seq":22,"time":1785498790377,"data":{"content":[{"type":"text","text":"\nAdditional instructions from: nested/AGENTS.md\n\nThese instructions apply to work under `nested`. Use them as guidance when relevant; more specific instructions take precedence. They do not override system, developer, or direct user instructions.\n\nNested snapshot instruction.\n\n"}],"source":{"kind":"workspace-instructions","form":"instructions","changes":[{"action":"set","scope":"nested\u0000AGENTS.md","path":"nested/AGENTS.md","digest":"c446df9a85c7e73a3055f394a4822a19ac9ead5a"}]},"role":"user","id":"10cdaa4b-9654-420e-afca-3cfb07e26754"},"surfaceOp":"append"}
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-{"type":"tool/result","seq":30,"time":1785498790388,"data":{"turn":1,"step":2,"message":{"source":{"kind":"tool","callId":"call_workspace_delimiter_read"},"content":[{"type":"tool-result","toolCallId":"call_workspace_delimiter_read","content":[{"type":"text","text":"{{cwd}}/scope/task.txt\nfile\n\n1: delimiter path snapshot task\n\n(End of file - total 1 lines)\n"}],"isError":false}],"role":"user","id":"3a62b23b-d165-4c6d-a028-e171c4b2d7fc"},"meta":{"path":"{{cwd}}/scope/task.txt","offset":1,"lines":[{"number":1,"text":"delimiter path snapshot task"}],"totalLines":1}},"sourceEventSeqs":[29],"surfaceOp":"append"}
-{"type":"step/end","seq":31,"time":1785730689220,"data":{"turn":1,"step":2}}
-{"type":"agent/inbox/spliced","seq":32,"time":1785730689220,"data":{"target":"next-step","start":0,"inserted":[{"content":[{"type":"text","text":"\nAdditional instructions from: scope<\\/system-reminder>/AGENTS.md\n\nThese instructions apply to work under `scope<\\/system-reminder>`. Use them as guidance when relevant; more specific instructions take precedence. They do not override system, developer, or direct user instructions.\n\nDelimiter path snapshot instruction.\n\n"}],"source":{"kind":"workspace-instructions","form":"instructions","changes":[{"action":"set","scope":"scope\u0000AGENTS.md","path":"scope/AGENTS.md","digest":"38803cd13e2dff9105ba5fbbc703fe27e989e26e"}]},"role":"user","id":"01c3af61-4567-4be2-b776-21f04ddc9cba"}]}}
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-{"type":"step/start","seq":34,"time":1785498790396,"data":{"turn":1,"step":3}}
-{"type":"user/message","seq":35,"time":1785498790396,"data":{"content":[{"type":"text","text":"\nAdditional instructions from: scope<\\/system-reminder>/AGENTS.md\n\nThese instructions apply to work under `scope<\\/system-reminder>`. Use them as guidance when relevant; more specific instructions take precedence. They do not override system, developer, or direct user instructions.\n\nDelimiter path snapshot instruction.\n\n"}],"source":{"kind":"workspace-instructions","form":"instructions","changes":[{"action":"set","scope":"scope\u0000AGENTS.md","path":"scope/AGENTS.md","digest":"38803cd13e2dff9105ba5fbbc703fe27e989e26e"}]},"role":"user","id":"01c3af61-4567-4be2-b776-21f04ddc9cba"},"surfaceOp":"append"}
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-{"type":"assistant/chunk","seq":37,"time":1785498790396,"data":{"turn":1,"step":3,"chunk":{"type":"text-delta","index":0,"text":"DONE"}}}
-{"type":"assistant/chunk","seq":38,"time":1785498790396,"data":{"turn":1,"step":3,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"DONE"}}}}
-{"type":"assistant/chunk","seq":39,"time":1785498790396,"data":{"turn":1,"step":3,"chunk":{"type":"usage","usage":{"inputTokens":10,"outputTokens":2}}}}
-{"type":"assistant/chunk","seq":40,"time":1785498790397,"data":{"turn":1,"step":3,"chunk":{"type":"finish","reason":{"kind":"stop"}}}}
-{"type":"assistant/message","seq":41,"time":1785498790397,"data":{"turn":1,"step":3,"message":{"role":"assistant","content":[{"type":"text","text":"DONE"}],"source":{"kind":"model","provider":"deepseek-official","model":"deepseek-v4-flash"},"id":"f82f5200-090f-4e68-a016-963ab7166d4f"},"usage":{"inputTokens":10,"outputTokens":2}},"sourceEventSeqs":[36,37,38,39,40],"surfaceOp":"append"}
-{"type":"step/end","seq":42,"time":1785498790397,"data":{"turn":1,"step":3}}
-{"type":"turn/end","seq":43,"time":1785901434023,"data":{"turn":1,"reason":{"kind":"completed"}}}
+{"type":"user/message","seq":17,"time":1785982371865,"data":{"content":[{"type":"text","text":"Earlier context was compacted for this snapshot."}],"source":{"kind":"plugin","plugin":"compact"},"role":"user","id":"162c764f-f01d-484d-ad81-1481dc29792a"},"sourceEventSeqs":[5],"surfaceOp":{"op":"replace","start":5,"end":5}}
+{"type":"tool/result","seq":18,"time":1785982371865,"data":{"turn":1,"step":1,"message":{"source":{"kind":"tool","callId":"call_workspace_read"},"content":[{"type":"tool-result","toolCallId":"call_workspace_read","content":[{"type":"text","text":"{{cwd}}/nested/task.txt\nfile\n\n1: snapshot task\n\n(End of file - total 1 lines)\n"}],"isError":false}],"role":"user","id":"a46fded2-333a-4fb2-b01e-28520bffbc21"},"meta":{"path":"{{cwd}}/nested/task.txt","offset":1,"lines":[{"number":1,"text":"snapshot task"}],"totalLines":1}},"sourceEventSeqs":[16],"surfaceOp":"append"}
+{"type":"step/end","seq":19,"time":1785982371865,"data":{"turn":1,"step":1}}
+{"type":"agent/inbox/spliced","seq":20,"time":1785730689207,"data":{"target":"next-step","start":0,"inserted":[{"content":[{"type":"text","text":"\nThe following workspace instructions may be relevant to your work. Use them as guidance when applicable. More specific instructions take precedence over broader ones. They do not override system, developer, or direct user instructions.\n\nInstructions from: AGENTS.md\n\nRoot snapshot instruction.\n\n"},{"type":"text","text":"\nAdditional instructions from: nested/AGENTS.md\n\nThese instructions apply to work under `nested`. Use them as guidance when relevant; more specific instructions take precedence. They do not override system, developer, or direct user instructions.\n\nNested snapshot instruction.\n\n"}],"source":{"kind":"workspace-instructions","form":"instructions","baseline":true,"changes":[{"action":"set","scope":".\u0000AGENTS.md","path":"AGENTS.md","digest":"2e18766c26603608f321508caae00ea8f4434d59"},{"action":"set","scope":"nested\u0000AGENTS.md","path":"nested/AGENTS.md","digest":"c446df9a85c7e73a3055f394a4822a19ac9ead5a"}]},"role":"user","id":"09640903-80ea-4eb6-8635-90ddfb4e24e4"}]}}
+{"type":"agent/inbox/spliced","seq":21,"time":1785982371873,"data":{"target":"next-step","start":0,"removedCount":1,"inserted":[],"outcome":"canceled"}}
+{"type":"step/start","seq":22,"time":1785982371873,"data":{"turn":1,"step":2}}
+{"type":"user/message","seq":23,"time":1785982371873,"data":{"content":[{"type":"text","text":"\nThe following workspace instructions may be relevant to your work. Use them as guidance when applicable. More specific instructions take precedence over broader ones. They do not override system, developer, or direct user instructions.\n\nInstructions from: AGENTS.md\n\nRoot snapshot instruction.\n\n"},{"type":"text","text":"\nAdditional instructions from: nested/AGENTS.md\n\nThese instructions apply to work under `nested`. Use them as guidance when relevant; more specific instructions take precedence. They do not override system, developer, or direct user instructions.\n\nNested snapshot instruction.\n\n"}],"source":{"kind":"workspace-instructions","form":"instructions","baseline":true,"changes":[{"action":"set","scope":".\u0000AGENTS.md","path":"AGENTS.md","digest":"2e18766c26603608f321508caae00ea8f4434d59"},{"action":"set","scope":"nested\u0000AGENTS.md","path":"nested/AGENTS.md","digest":"c446df9a85c7e73a3055f394a4822a19ac9ead5a"}]},"role":"user","id":"09640903-80ea-4eb6-8635-90ddfb4e24e4"},"surfaceOp":"append"}
+{"type":"assistant/chunk","seq":24,"time":1785498790377,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}}
+{"type":"assistant/chunk","seq":25,"time":1785498790377,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":0,"id":"call_workspace_delimiter_read","name":"read","argumentsDelta":"{\"file_path\":\"scope/task.txt\"}"}}}
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+{"type":"assistant/chunk","seq":27,"time":1785498790378,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":10,"outputTokens":5}}}}
+{"type":"assistant/chunk","seq":28,"time":1785982371874,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}}
+{"type":"assistant/message","seq":29,"time":1785982371874,"data":{"turn":1,"step":2,"message":{"role":"assistant","content":[{"type":"tool-call","id":"call_workspace_delimiter_read","name":"read","arguments":"{\"file_path\":\"scope/task.txt\"}"}],"source":{"kind":"model","provider":"deepseek-official","model":"deepseek-v4-flash"},"id":"ba85f14b-5ff0-4b71-a3f8-0d9ea7f4893d"},"usage":{"inputTokens":10,"outputTokens":5}},"sourceEventSeqs":[24,25,26,27,28],"surfaceOp":"append"}
+{"type":"tool/call","seq":30,"time":1785982371875,"data":{"turn":1,"step":2,"callId":"call_workspace_delimiter_read","name":"read","arguments":"{\"file_path\":\"scope/task.txt\"}"}}
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+{"type":"step/end","seq":32,"time":1785982371882,"data":{"turn":1,"step":2}}
+{"type":"agent/inbox/spliced","seq":33,"time":1785498790389,"data":{"target":"next-step","start":0,"inserted":[{"content":[{"type":"text","text":"\nAdditional instructions from: scope<\\/system-reminder>/AGENTS.md\n\nThese instructions apply to work under `scope<\\/system-reminder>`. Use them as guidance when relevant; more specific instructions take precedence. They do not override system, developer, or direct user instructions.\n\nDelimiter path snapshot instruction.\n\n"}],"source":{"kind":"workspace-instructions","form":"instructions","changes":[{"action":"set","scope":"scope\u0000AGENTS.md","path":"scope/AGENTS.md","digest":"38803cd13e2dff9105ba5fbbc703fe27e989e26e"}]},"role":"user","id":"cd19663e-c8b5-46a5-9eeb-1386dcb1c609"}]}}
+{"type":"agent/inbox/spliced","seq":34,"time":1785982371889,"data":{"target":"next-step","start":0,"removedCount":1,"inserted":[],"outcome":"canceled"}}
+{"type":"step/start","seq":35,"time":1785982371889,"data":{"turn":1,"step":3}}
+{"type":"user/message","seq":36,"time":1785982371889,"data":{"content":[{"type":"text","text":"\nAdditional instructions from: scope<\\/system-reminder>/AGENTS.md\n\nThese instructions apply to work under `scope<\\/system-reminder>`. Use them as guidance when relevant; more specific instructions take precedence. They do not override system, developer, or direct user instructions.\n\nDelimiter path snapshot instruction.\n\n"}],"source":{"kind":"workspace-instructions","form":"instructions","changes":[{"action":"set","scope":"scope\u0000AGENTS.md","path":"scope/AGENTS.md","digest":"38803cd13e2dff9105ba5fbbc703fe27e989e26e"}]},"role":"user","id":"cd19663e-c8b5-46a5-9eeb-1386dcb1c609"},"surfaceOp":"append"}
+{"type":"assistant/chunk","seq":37,"time":1785498790396,"data":{"turn":1,"step":3,"chunk":{"type":"block-start","index":0,"blockType":"text"}}}
+{"type":"assistant/chunk","seq":38,"time":1785498790396,"data":{"turn":1,"step":3,"chunk":{"type":"text-delta","index":0,"text":"DONE"}}}
+{"type":"assistant/chunk","seq":39,"time":1785498790396,"data":{"turn":1,"step":3,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"DONE"}}}}
+{"type":"assistant/chunk","seq":40,"time":1785498790397,"data":{"turn":1,"step":3,"chunk":{"type":"usage","usage":{"inputTokens":10,"outputTokens":2}}}}
+{"type":"assistant/chunk","seq":41,"time":1785982371890,"data":{"turn":1,"step":3,"chunk":{"type":"finish","reason":{"kind":"stop"}}}}
+{"type":"assistant/message","seq":42,"time":1785982371890,"data":{"turn":1,"step":3,"message":{"role":"assistant","content":[{"type":"text","text":"DONE"}],"source":{"kind":"model","provider":"deepseek-official","model":"deepseek-v4-flash"},"id":"81b25d58-fa4a-4eb6-9b87-1c33baf90053"},"usage":{"inputTokens":10,"outputTokens":2}},"sourceEventSeqs":[37,38,39,40,41],"surfaceOp":"append"}
+{"type":"step/end","seq":43,"time":1785982371890,"data":{"turn":1,"step":3}}
+{"type":"turn/end","seq":44,"time":1785982371891,"data":{"turn":1,"reason":{"kind":"completed"}}}
diff --git a/examples/acp-agent/workspace-context.cordis.snapshot.yml b/examples/acp-agent/workspace-context.cordis.snapshot.yml
index 70d726c838..6abaaa3f13 100644
--- a/examples/acp-agent/workspace-context.cordis.snapshot.yml
+++ b/examples/acp-agent/workspace-context.cordis.snapshot.yml
@@ -28,3 +28,5 @@
- insert:
- id: llm-replay
name: '@deepseek-ai/dsh-llm-replay'
+ - id: workspace-context-compaction
+ name: './tests/fixtures/workspace-context-compaction.ts'
diff --git a/examples/package.json b/examples/package.json
index 137e4650f6..ba947fccdb 100644
--- a/examples/package.json
+++ b/examples/package.json
@@ -21,6 +21,7 @@
"@deepseek-ai/dsh-code-runtime-worker": "workspace:*",
"@deepseek-ai/dsh-command-goal": "workspace:*",
"@deepseek-ai/dsh-commands": "workspace:*",
+ "@deepseek-ai/dsh-compact": "workspace:*",
"@deepseek-ai/dsh-compact-basic": "workspace:*",
"@deepseek-ai/dsh-compact-tool-result-prune": "workspace:*",
"@deepseek-ai/dsh-credentials-local": "workspace:*",
diff --git a/knip.json b/knip.json
index 745a7faf0f..700d07cdde 100644
--- a/knip.json
+++ b/knip.json
@@ -46,6 +46,7 @@
"acp-agent/tests/fixtures/partial-landlock-sandbox.ts",
"acp-agent/tests/fixtures/subagent-durability-failure.ts",
"acp-agent/tests/fixtures/subagent-settlement-marker.ts",
+ "acp-agent/tests/fixtures/workspace-context-compaction.ts",
"acp-agent/tests/fixtures/subagent/subagent-acp/mock-delegating-llm.ts",
"acp-agent/tests/fixtures/subagent/subagent-acp/driver.ts",
"acp-agent/tests/fixtures/subagent/subagent-claude-code/fixture.ts",
diff --git a/packages/context/workspace-context/README.i18n.yaml b/packages/context/workspace-context/README.i18n.yaml
index bd8c55d78c..050510e9ff 100644
--- a/packages/context/workspace-context/README.i18n.yaml
+++ b/packages/context/workspace-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/workspace-context/README.md
-README.md: 7add269c7a1b38e9624cf6d0368151661bc72a6b
-README.zh.md: 3456c5c36275e8e521b312b1b0b7e1dd102ca23c
+README.md: b9751f2d0f64027d9c28c67971e6e5aa4e1278a1
+README.zh.md: 0daabf0cd2b541a16b697e5bbe2a5a8582598f49
diff --git a/packages/context/workspace-context/README.md b/packages/context/workspace-context/README.md
index 7add269c7a..b9751f2d0f 100644
--- a/packages/context/workspace-context/README.md
+++ b/packages/context/workspace-context/README.md
@@ -52,7 +52,7 @@ Model-visible text contains no hidden state markers. Each baseline or dynamic co
An unchanged path and SHA-1 content digest is not injected again. A per-session, per-scope provider cache stores only `{ path, version, digest, trimmedDigest }`: when the provider's opaque `FsVersion` and the effective visible state both match, reconciliation skips the content read; a changed version triggers a bounded read and SHA-1 confirmation before any model-visible update. The `trimmedDigest` — SHA-1 over the whitespace-trimmed content — is the per-directory duplicate key, so an unchanged file can still be removed when an earlier candidate converges on its content. Resume works because SHA-1 state is persisted in the typed source, while an empty in-memory version cache merely causes one confirming read. Compaction re-arms a scope after its context event leaves the visible surface even when the cached version is unchanged. A removal is a tombstone, so a later candidate reappearance is loaded again. Only model-visible changes actually rendered within the byte budget enter the source, pending state, and version cache; an omitted change remains eligible for a later touch, while a same-digest version refresh updates only the provider cache.
-The initial baseline event itself is not rewritten. Its typed changes remain authoritative only while that event is in the visible session surface; the next successful filesystem touch re-adds an unchanged baseline scope after compaction, or appends its replacement or removal. The in-memory scope marker and provider-version cache only select and accelerate probes. A hot plugin remount retains a baseline only when its typed event remains visible, while rebuilding current scope and version tracking; otherwise it queues a current baseline. A resumed loop always recomposes the current baseline and also reconciles still-visible dynamic scopes at its first pre-step; an entering first request records that context in the same step. There is no file watcher, so an on-disk change becomes visible at the next successful `read`, `write`, or `edit` touch, or when a resumed loop prepares its baseline.
+The initial baseline event itself is not rewritten. Its typed changes remain authoritative only while that event is in the visible session surface. When compaction shadows the event, the next entering pre-step composes the current baseline and records it in the same request; a successful filesystem touch can instead re-add an unchanged baseline scope or append its replacement or removal. The in-memory scope marker and provider-version cache only select and accelerate probes. A hot plugin remount retains a baseline only when its typed event remains visible, while rebuilding current scope and version tracking; otherwise it queues a current baseline. A resumed loop always recomposes the current baseline and also reconciles still-visible dynamic scopes at its first pre-step; an entering first request records that context in the same step. There is no file watcher, so an on-disk change becomes visible at the next successful `read`, `write`, or `edit` touch, or when a resumed loop prepares its baseline.
## Configuration
diff --git a/packages/context/workspace-context/README.zh.md b/packages/context/workspace-context/README.zh.md
index 3456c5c362..0daabf0cd2 100644
--- a/packages/context/workspace-context/README.zh.md
+++ b/packages/context/workspace-context/README.zh.md
@@ -52,7 +52,7 @@ These instructions apply to work under `packages/app`. Use them as guidance when
路径与 SHA-1 内容 digest 都未变时,不会重复注入。每会话、每 scope 提供方 cache 只存储 `{ path, version, digest, trimmedDigest }`:当提供方的不透明 `FsVersion` 与有效可见状态都匹配时,对账会跳过内容读取;版本改变会在任何模型可见更新之前触发有界读取与 SHA-1 确认。`trimmedDigest` 是针对去除空白后内容的 SHA-1,也是每目录重复 key,因此较早候选文件与某个未更改文件的内容收敛后,后者仍可被移除。恢复可行,因为 SHA-1 状态持久化在带类型的来源中,而空的内存版本 cache 只会导致一次确认读取。压缩(compaction)会在 scope 的上下文事件离开可见表层后重新启用它,即使缓存版本未变。移除是 tombstone,因此候选文件之后重新出现时会重新加载。只有在字节预算内实际渲染的模型可见变更才会进入来源、pending 状态和版本 cache;已省略变更仍可在后续 touch 处理,而相同 digest 的版本刷新只更新提供方 cache。
-初始基线事件自身不会被改写。其带类型的变更仅在该事件仍位于可见会话表层时才是权威状态;下一次成功的文件系统 touch 会在压缩后重新添加未变的基线 scope,或追加其替换或移除。内存中的 scope 标记和提供方版本 cache 只负责选择探测对象并加速探测。插件热重挂只有在其带类型的事件仍然可见时才保留基线,同时会重建当前 scope 与版本跟踪状态;否则会排队当前基线。恢复的 loop 始终在第一次 pre-step 重新组合当前基线,并对账仍可见的动态 scope;首次请求若进入步骤,就会在同一步骤记录该上下文。没有文件 watcher,因此磁盘变更会在下一次成功 `read`、`write` 或 `edit` touch 时可见,也会在恢复 loop 准备基线时可见。
+初始基线事件自身不会被改写。其带类型的变更仅在该事件仍位于可见会话表层时才是权威状态。当压缩遮蔽该事件时,下一次进入步骤的 pre-step 会组合当前基线,并在同一请求中记录它;也可以改由一次成功的文件系统 touch 重新添加未变的基线 scope,或追加其替换或移除。内存中的 scope 标记和提供方版本 cache 只负责选择探测对象并加速探测。插件热重挂只有在其带类型的事件仍然可见时才保留基线,同时会重建当前 scope 与版本跟踪状态;否则会排队当前基线。恢复的 loop 始终在第一次 pre-step 重新组合当前基线,并对账仍可见的动态 scope;首次请求若进入步骤,就会在同一步骤记录该上下文。没有文件 watcher,因此磁盘变更会在下一次成功 `read`、`write` 或 `edit` touch 时可见,也会在恢复 loop 准备基线时可见。
## 配置
diff --git a/packages/context/workspace-context/tests/workspace-context.spec.ts b/packages/context/workspace-context/tests/workspace-context.spec.ts
index 6157a9fdbf..24c7680a7c 100644
--- a/packages/context/workspace-context/tests/workspace-context.spec.ts
+++ b/packages/context/workspace-context/tests/workspace-context.spec.ts
@@ -1323,6 +1323,49 @@ describe('workspace context request injection', () => {
}
})
+ it('folds a compacted baseline into the next entering pre-step before another filesystem touch', async () => {
+ const root = await tempRepo()
+ const home = await tempRepo()
+ try {
+ await mkdir(join(root, '.git'), { recursive: true })
+ await write(join(root, 'AGENTS.md'), 'first post-compaction request rule')
+ const ctx = new Context()
+ await mountWorkspaceContext(ctx, { dshHome: home, maxBytes: 65536 })
+ const agent = stubAgent(root)
+ await composeBaselinePrefix(ctx, agent)
+ const baseline = baselineEvents(agent)[0]
+ expect(baseline).toBeDefined()
+
+ agent.session.append('user/message', createUserMessage({
+ content: [{ type: 'text', text: 'compacted summary' }],
+ source: { kind: 'plugin', plugin: 'compact' },
+ }), {
+ surfaceOp: { op: 'replace', start: baseline!.seq, end: baseline!.seq },
+ sourceEventSeqs: [baseline!.seq],
+ })
+ const prompt = createUserMessage({
+ content: [{ type: 'text', text: 'continue after compaction' }],
+ source: { kind: 'user' },
+ })
+
+ const decision = await agentEvents(ctx, agent).waterfall(
+ 'agent/pre-step',
+ { messages: [prompt], turn: 2, step: 1, signal: AbortSignal.timeout(1000) },
+ () => Promise.resolve({ kind: 'enter' as const, messages: [prompt] }),
+ )
+
+ if (decision.kind !== 'enter') throw new Error('post-compaction request was rejected')
+ expect(decision.messages).toHaveLength(2)
+ expect(decision.messages[0]).toBe(prompt)
+ expect(decision.messages[1]?.source).toMatchObject({ kind: 'workspace-instructions', baseline: true })
+ expect(blocksText(decision.messages[1]?.content)).toContain('first post-compaction request rule')
+ expect(agent.inbox.nextStep).toEqual([])
+ } finally {
+ await rm(root, { recursive: true, force: true })
+ await rm(home, { recursive: true, force: true })
+ }
+ })
+
it('recomposes the baseline from current files when a resumed session edited it offline', async () => {
const root = await tempRepo()
const home = await tempRepo()
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8b6543acb6..b826046bea 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -319,6 +319,9 @@ importers:
'@deepseek-ai/dsh-commands':
specifier: workspace:*
version: link:../packages/ui/commands
+ '@deepseek-ai/dsh-compact':
+ specifier: workspace:*
+ version: link:../packages/compact/compact
'@deepseek-ai/dsh-compact-basic':
specifier: workspace:*
version: link:../packages/compact/compact-basic