diff --git a/docs/module-graph.i18n.yaml b/docs/module-graph.i18n.yaml
index 980d198c32..b528a4356d 100644
--- a/docs/module-graph.i18n.yaml
+++ b/docs/module-graph.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/module-graph.md
-module-graph.md: 371699d8a4aab83eb8603ce1623373fe56871dd3
-module-graph.zh.md: 381a387ff77ef36dda31655bb9c0e4d5b931e544
+module-graph.md: 5197a184f2be283e3bb57de91d4a4d3cb22e51b2
+module-graph.zh.md: 3b312b731d32ed71674d800c35a5868e0b5d94ee
diff --git a/docs/module-graph.md b/docs/module-graph.md
index 371699d8a4..5197a184f2 100644
--- a/docs/module-graph.md
+++ b/docs/module-graph.md
@@ -274,6 +274,7 @@ flowchart TD
     pkg_session_persistence_sqlite["session-persistence-sqlite"]
     pkg_session_projection["session-projection"]
     pkg_session_projection_cache["session-projection-cache"]
+    pkg_session_stats["session-stats"]
     pkg_session_telemetry["session-telemetry"]
     pkg_session_telemetry_otel["session-telemetry-otel"]
     pkg_session_title["session-title"]
@@ -568,6 +569,10 @@ flowchart TD
   pkg_session_projection_cache --> pkg_session_persistence
   pkg_session_projection_cache --> pkg_session_projection
   pkg_session_projection_cache --> pkg_storage_domain
+  pkg_session_stats --> pkg_invariants
+  pkg_session_stats --> pkg_llm
+  pkg_session_stats --> pkg_session
+  pkg_session_stats --> pkg_session_projection
   pkg_session_telemetry --> pkg_agent
   pkg_session_telemetry --> pkg_invariants
   pkg_session_telemetry --> pkg_session
@@ -1212,6 +1217,7 @@ flowchart TD
   pkg_client_ui_conversation --> pkg_compact
   pkg_client_ui_conversation --> pkg_invariants
   pkg_client_ui_conversation --> pkg_llm_retry
+  pkg_client_ui_conversation --> pkg_session_stats
   pkg_client_ui_conversation --> pkg_token_meter
   pkg_client_ui_conversation --> pkg_tools
   pkg_client_ui_directory_picker --> pkg_client_locale
@@ -1461,6 +1467,7 @@ flowchart TD
 | [`session-persistence-jsonl`](../packages/session/session-persistence-jsonl) | `session` | [`invariants`](../packages/support/invariants), [`session`](../packages/core/session), [`session-persistence`](../packages/session/session-persistence) |
 | [`session-persistence-sqlite`](../packages/session/session-persistence-sqlite) | `session` | [`invariants`](../packages/support/invariants), [`session`](../packages/core/session), [`session-persistence`](../packages/session/session-persistence) |
 | [`session-projection-cache`](../packages/session/session-projection-cache) | `session` | [`invariants`](../packages/support/invariants), [`session`](../packages/core/session), [`session-persistence`](../packages/session/session-persistence), [`session-projection`](../packages/session/session-projection), [`storage-domain`](../packages/storage/storage-domain) |
+| [`session-stats`](../packages/session/session-stats) | `session` | [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-projection`](../packages/session/session-projection) |
 | [`session-telemetry`](../packages/session/session-telemetry) | `session` | [`agent`](../packages/core/agent), [`invariants`](../packages/support/invariants), [`session`](../packages/core/session) |
 | [`session-title`](../packages/session/session-title) | `session` | [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-projection`](../packages/session/session-projection) |
 | [`tasks`](../packages/tasks/tasks) | `tasks` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants), [`session`](../packages/core/session) |
@@ -1565,7 +1572,7 @@ flowchart TD
 | [`client-ui-trajectory`](../packages/client/ui-trajectory) | `client` | [`agent`](../packages/core/agent), [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-primitives`](../packages/client/ui-primitives), [`compact`](../packages/compact/compact), [`invariants`](../packages/support/invariants), [`tools`](../packages/core/tools) |
 | [`client-ui-workspace`](../packages/client/ui-workspace) | `client` | [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-primitives`](../packages/client/ui-primitives), [`client-ui-slots`](../packages/client/ui-slots), [`invariants`](../packages/support/invariants) |
 | [`acp-demo`](../packages/examples/acp-demo) | `examples` | [`acp`](../packages/acp/acp), [`agent-spine-demo`](../packages/examples/agent-spine-demo), [`app-boot`](../packages/boot/app-boot), [`invariants`](../packages/support/invariants), [`session-checkpoint-policy`](../packages/session/session-checkpoint-policy), [`session-persistence-jsonl`](../packages/session/session-persistence-jsonl), [`session-query`](../packages/session-query/session-query), [`session-query-sqlite`](../packages/session-query/session-query-sqlite), [`tools`](../packages/core/tools), [`workspace-context`](../packages/context/workspace-context) |
-| [`client-ui-conversation`](../packages/client/ui-conversation) | `client` | [`agent`](../packages/core/agent), [`api-remotes`](../packages/api/remotes), [`attachment`](../packages/attachment/attachment), [`brand`](../packages/util/brand), [`client-connection`](../packages/client/connection), [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-attachment`](../packages/client/ui-attachment), [`client-ui-primitives`](../packages/client/ui-primitives), [`client-ui-settings`](../packages/client/ui-settings), [`client-ui-slash`](../packages/client/ui-slash), [`client-ui-slots`](../packages/client/ui-slots), [`commands`](../packages/interaction/commands), [`compact`](../packages/compact/compact), [`invariants`](../packages/support/invariants), [`llm-retry`](../packages/llm/llm-retry), [`token-meter`](../packages/llm/token-meter), [`tools`](../packages/core/tools) |
+| [`client-ui-conversation`](../packages/client/ui-conversation) | `client` | [`agent`](../packages/core/agent), [`api-remotes`](../packages/api/remotes), [`attachment`](../packages/attachment/attachment), [`brand`](../packages/util/brand), [`client-connection`](../packages/client/connection), [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-attachment`](../packages/client/ui-attachment), [`client-ui-primitives`](../packages/client/ui-primitives), [`client-ui-settings`](../packages/client/ui-settings), [`client-ui-slash`](../packages/client/ui-slash), [`client-ui-slots`](../packages/client/ui-slots), [`commands`](../packages/interaction/commands), [`compact`](../packages/compact/compact), [`invariants`](../packages/support/invariants), [`llm-retry`](../packages/llm/llm-retry), [`session-stats`](../packages/session/session-stats), [`token-meter`](../packages/llm/token-meter), [`tools`](../packages/core/tools) |
 | [`client-ui-directory-picker`](../packages/client/ui-directory-picker) | `client` | [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-primitives`](../packages/client/ui-primitives), [`client-ui-slots`](../packages/client/ui-slots), [`client-ui-workspace`](../packages/client/ui-workspace), [`invariants`](../packages/support/invariants) |
 | [`client-ui-directory-picker-native`](../packages/client/ui-directory-picker-native) | `client` | [`client-runtime`](../packages/client/runtime), [`client-ui-slots`](../packages/client/ui-slots), [`client-ui-workspace`](../packages/client/ui-workspace), [`invariants`](../packages/support/invariants) |
 | [`client-ui-layout`](../packages/client/ui-layout) | `client` | [`client-runtime`](../packages/client/runtime), [`client-ui-slots`](../packages/client/ui-slots), [`client-ui-theme`](../packages/client/ui-theme), [`invariants`](../packages/support/invariants) |
diff --git a/docs/module-graph.zh.md b/docs/module-graph.zh.md
index 381a387ff7..3b312b731d 100644
--- a/docs/module-graph.zh.md
+++ b/docs/module-graph.zh.md
@@ -276,6 +276,7 @@ flowchart TD
     pkg_session_persistence_sqlite["session-persistence-sqlite"]
     pkg_session_projection["session-projection"]
     pkg_session_projection_cache["session-projection-cache"]
+    pkg_session_stats["session-stats"]
     pkg_session_telemetry["session-telemetry"]
     pkg_session_telemetry_otel["session-telemetry-otel"]
     pkg_session_title["session-title"]
@@ -570,6 +571,10 @@ flowchart TD
   pkg_session_projection_cache --> pkg_session_persistence
   pkg_session_projection_cache --> pkg_session_projection
   pkg_session_projection_cache --> pkg_storage_domain
+  pkg_session_stats --> pkg_invariants
+  pkg_session_stats --> pkg_llm
+  pkg_session_stats --> pkg_session
+  pkg_session_stats --> pkg_session_projection
   pkg_session_telemetry --> pkg_agent
   pkg_session_telemetry --> pkg_invariants
   pkg_session_telemetry --> pkg_session
@@ -1214,6 +1219,7 @@ flowchart TD
   pkg_client_ui_conversation --> pkg_compact
   pkg_client_ui_conversation --> pkg_invariants
   pkg_client_ui_conversation --> pkg_llm_retry
+  pkg_client_ui_conversation --> pkg_session_stats
   pkg_client_ui_conversation --> pkg_token_meter
   pkg_client_ui_conversation --> pkg_tools
   pkg_client_ui_directory_picker --> pkg_client_locale
@@ -1463,6 +1469,7 @@ flowchart TD
 | [`session-persistence-jsonl`](../packages/session/session-persistence-jsonl) | `session` | [`invariants`](../packages/support/invariants), [`session`](../packages/core/session), [`session-persistence`](../packages/session/session-persistence) |
 | [`session-persistence-sqlite`](../packages/session/session-persistence-sqlite) | `session` | [`invariants`](../packages/support/invariants), [`session`](../packages/core/session), [`session-persistence`](../packages/session/session-persistence) |
 | [`session-projection-cache`](../packages/session/session-projection-cache) | `session` | [`invariants`](../packages/support/invariants), [`session`](../packages/core/session), [`session-persistence`](../packages/session/session-persistence), [`session-projection`](../packages/session/session-projection), [`storage-domain`](../packages/storage/storage-domain) |
+| [`session-stats`](../packages/session/session-stats) | `session` | [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-projection`](../packages/session/session-projection) |
 | [`session-telemetry`](../packages/session/session-telemetry) | `session` | [`agent`](../packages/core/agent), [`invariants`](../packages/support/invariants), [`session`](../packages/core/session) |
 | [`session-title`](../packages/session/session-title) | `session` | [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-projection`](../packages/session/session-projection) |
 | [`tasks`](../packages/tasks/tasks) | `tasks` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`invariants`](../packages/support/invariants), [`session`](../packages/core/session) |
@@ -1567,7 +1574,7 @@ flowchart TD
 | [`client-ui-trajectory`](../packages/client/ui-trajectory) | `client` | [`agent`](../packages/core/agent), [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-primitives`](../packages/client/ui-primitives), [`compact`](../packages/compact/compact), [`invariants`](../packages/support/invariants), [`tools`](../packages/core/tools) |
 | [`client-ui-workspace`](../packages/client/ui-workspace) | `client` | [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-primitives`](../packages/client/ui-primitives), [`client-ui-slots`](../packages/client/ui-slots), [`invariants`](../packages/support/invariants) |
 | [`acp-demo`](../packages/examples/acp-demo) | `examples` | [`acp`](../packages/acp/acp), [`agent-spine-demo`](../packages/examples/agent-spine-demo), [`app-boot`](../packages/boot/app-boot), [`invariants`](../packages/support/invariants), [`session-checkpoint-policy`](../packages/session/session-checkpoint-policy), [`session-persistence-jsonl`](../packages/session/session-persistence-jsonl), [`session-query`](../packages/session-query/session-query), [`session-query-sqlite`](../packages/session-query/session-query-sqlite), [`tools`](../packages/core/tools), [`workspace-context`](../packages/context/workspace-context) |
-| [`client-ui-conversation`](../packages/client/ui-conversation) | `client` | [`agent`](../packages/core/agent), [`api-remotes`](../packages/api/remotes), [`attachment`](../packages/attachment/attachment), [`brand`](../packages/util/brand), [`client-connection`](../packages/client/connection), [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-attachment`](../packages/client/ui-attachment), [`client-ui-primitives`](../packages/client/ui-primitives), [`client-ui-settings`](../packages/client/ui-settings), [`client-ui-slash`](../packages/client/ui-slash), [`client-ui-slots`](../packages/client/ui-slots), [`commands`](../packages/interaction/commands), [`compact`](../packages/compact/compact), [`invariants`](../packages/support/invariants), [`llm-retry`](../packages/llm/llm-retry), [`token-meter`](../packages/llm/token-meter), [`tools`](../packages/core/tools) |
+| [`client-ui-conversation`](../packages/client/ui-conversation) | `client` | [`agent`](../packages/core/agent), [`api-remotes`](../packages/api/remotes), [`attachment`](../packages/attachment/attachment), [`brand`](../packages/util/brand), [`client-connection`](../packages/client/connection), [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-attachment`](../packages/client/ui-attachment), [`client-ui-primitives`](../packages/client/ui-primitives), [`client-ui-settings`](../packages/client/ui-settings), [`client-ui-slash`](../packages/client/ui-slash), [`client-ui-slots`](../packages/client/ui-slots), [`commands`](../packages/interaction/commands), [`compact`](../packages/compact/compact), [`invariants`](../packages/support/invariants), [`llm-retry`](../packages/llm/llm-retry), [`session-stats`](../packages/session/session-stats), [`token-meter`](../packages/llm/token-meter), [`tools`](../packages/core/tools) |
 | [`client-ui-directory-picker`](../packages/client/ui-directory-picker) | `client` | [`client-locale`](../packages/client/locale), [`client-runtime`](../packages/client/runtime), [`client-ui-primitives`](../packages/client/ui-primitives), [`client-ui-slots`](../packages/client/ui-slots), [`client-ui-workspace`](../packages/client/ui-workspace), [`invariants`](../packages/support/invariants) |
 | [`client-ui-directory-picker-native`](../packages/client/ui-directory-picker-native) | `client` | [`client-runtime`](../packages/client/runtime), [`client-ui-slots`](../packages/client/ui-slots), [`client-ui-workspace`](../packages/client/ui-workspace), [`invariants`](../packages/support/invariants) |
 | [`client-ui-layout`](../packages/client/ui-layout) | `client` | [`client-runtime`](../packages/client/runtime), [`client-ui-slots`](../packages/client/ui-slots), [`client-ui-theme`](../packages/client/ui-theme), [`invariants`](../packages/support/invariants) |