docs(project): align resilience plan ownership

.project-docs/30-worklog/tasks/20260825-pi-worker-exit-thinking-5e7c2a91.md

@@ -85,9 +85,14 @@
   task's base and identifies this executor task as `PI-R001`. Its
   `RES-INV-001..009`, `RES-ACC-001..016`, release blockers, Main-only privacy
   boundary, and final packaged fault-injection matrix are additional acceptance
-  contracts for this implementation. It is present in this branch as the
-  conflict-free cherry-pick `2b13454`, so planning and implementation share one
-  history without rewriting either line of work.
+  contracts for this implementation. The content first entered as the
+  conflict-free cherry-pick `2b13454`; the exact source commit `2d9d827` was
+  then retained as a merge parent, so planning and implementation share one
+  history without rewriting either line of work. At the executor tip the
+  specification is materialized under the task-owned path
+  `20260825-pi-worker-exit-thinking-5e7c2a91__pi-runtime-resilience-hardening.md`;
+  the planner task record remains available in the original commit history
+  instead of violating feature-task document ownership.
 
 ## Plan