docs(integration): record promotion gate blocker

.project-docs/30-worklog/tasks/20260820-promote-download-size-main-9a4c2e71.md

@@ -8,7 +8,7 @@
 - Worktree: D:\Datas\OthersProjects\makelore
 - Base commit: 2168e291b2bf8ac8690c482f56400554a8d77531
 - Owner: codex
-- Status: Ready for Integration
+- Status: Blocked
 
 ## Scope
 
@@ -46,6 +46,11 @@
 - Local `main` focused Learning tests: `2` files / `17 passed`.
 - Local `main` `pnpm run typecheck`: passed.
 - Removed-size-symbol scan and `git diff --check`: passed.
+- Required project-docs structure check: passed.
+- Task-aware documentation drift check: blocked only by the pre-existing,
+  explicitly preserved untracked record
+  `.project-docs/30-worklog/tasks/20260819-package-learning-off-115-9c4d.md`;
+  the merged upstream task record was removed from the final tree.
 
 ## Follow-ups
 
@@ -53,6 +58,9 @@
   `Content-Length`.
 - Monitor disk-space behavior for very large archives because the client has no
   archive-size ceiling by explicit product decision.
+- Decide separately whether to integrate or remove the preserved untracked task
+  record so the task-aware documentation gate can pass and ownership can be
+  released cleanly.
 
 ## Promotion Candidates