docs(plugins): integrate frozen worker stale-library fix

.project-docs/30-worklog/current-state.md

@@ -4,6 +4,21 @@ This file is the integrated default-branch snapshot. Feature tasks record progre
 
 ## Integrated Through
 
+- Web Search frozen-worker stale-Library correction source
+  `3620cdc277fa0a99757c57a549008f9ecd380558` from task
+  `20260901-web-search-stale-resources-8b4e2c71` is integrated onto local `main`
+  through product commit `40e1912` by task
+  `20260901-web-search-stale-integration-9c5f3d82`. Live client evidence showed an
+  eligible parent worker with the official Web Search Skill, tool, Release and policy
+  failing `409 plugin_runtime_stale` because invocation re-ran full materialization and
+  treated one transient Account Library refresh as permanent worker invalidation. New
+  workers still require a current Library; a previously frozen worker may now use the
+  last verified Library projection only long enough to obtain the server-owned exact
+  Release Admission. Account/session change, project disable, acquisition removal,
+  runtime suspension, Release/version change, policy/billing gates and child isolation
+  remain fail closed. Focused 19, adjacent 55, full 1,786 plus pressure, typecheck and
+  scoped lint passed. The currently running installed binary predates this source fix;
+  no restart, package, deploy, publication or paid Provider call was performed.
 - Web Search Agent-assignment catalog fix source
   `612794463de1b14fd748202a00115c6f93c7346b` from task
   `20260901-web-search-tool-routing-fix-6f9d3b82` is integrated onto local `main`