Merge branch 'unstable' into area/storage-cors

docs/TODO.md

@@ -28,6 +28,12 @@
 
 ## client-reliability
 
+- 2026-10-20: item5 ready atmergedf2a392fa(product12f92732):full427/427 files60s-bound exit0,focused28/lifecycle18,six reverted mutants,lint11/build-artifact/native Chromium+Firefox smoke pass;obsolete mirror HEAD1→0,shared/rejoin/retry/hidden reveal pass,0 external/pageerrors. Full-slot wait10m57s recorded;browser released,expensive slot held through normal landing. Remaining queue/durable ancestry/close;active abort/real playback/CPU unverified.
+
+- 2026-10-20: item5 routed controller-only pre-candidate guard implemented; baseline16pass/2fail→fixed18/18 lifecycle,6 rejected/reverted mutants,focused28/4files,lint11/build+artifact pass. No full/browser launch while dispatch administrative drain/QA reservation holds; slot requested13:32:54UTC,await explicit grant and verified unstable merge. No active abort/observer/cache/limits change; actual fallback/CPU unverified. Unique integrity/evidence in test_logs/*client-reliability-5*.
+
+- 2026-10-20: item5 investigation at0c1dd7e8:active URL success/real4000ms controlled timeout release media/slot correctly;disposed active primary media error starts1 obsolete mirror HEAD(expected0),strict assertion naturally exits1 after cleanup/retry. Shared/rejoin owner and later same-source controls pass. Proposed controller-only pre-candidate ownership guard + focused tests; await dispatch routing. No product/tests changed; active abort/browser/fallback/CPU unverified. See test_logs/TEST_LOG_2026-10-20_13-30-00_client-reliability-5.md.
+
 - 2026-10-20: item4 done/closed after normal landing89ccb907(submission7055496b,gate exit0,unstable ancestry exit0). Full427/427 files,focused22,lifecycle12,13 reverted mutants,lint11,build/artifact/native Chromium+Firefox controlled IO pass;obsolete starts1→0. Dispatch landing event sent; preview refresh owned by dispatch. No further item without routing. Actual media fallback/live peers/active abort/CPU and whole Stage3 unverified. Closure metadata/final event follow.
 
 - 2026-10-20: item4 ready atce1381f5; full427/427 file exits0 with60s/file bound,focused22/22,lifecycle12/12,13 rejected/reverted mutants,lint11/11,build/artifact and Chromium+Firefox controlled native-observer smoke pass (obsolete starts0). Remaining normal queue/durable landing/ancestry then close/report. Actual fallback/live IO/active abort/CPU remain unverified.

docs/agents/backlog/client-reliability-5.json

@@ -1,9 +1,10 @@
 {
   "id": "client-reliability-5",
   "area": "client-reliability",
-  "status": "open",
+  "status": "in-progress",
   "title": "Reproduce remaining active URL or torrent probe lifecycle defect before scoping a fix",
   "blockedOn": null,
   "addedOn": "2026-10-20",
-  "filedAt": "3f627f5df3da7bcd28d910d9f8161844fa77ff74"
+  "filedAt": "3f627f5df3da7bcd28d910d9f8161844fa77ff74",
+  "evidence": "Controller guard12f92732,mergedf2a392fa:full427/427files,focused28/lifecycle18,six reverted mutants,lint11/build/browser pass;obsolete mirrorHEAD1\u21920. Slot wait10m57s respected. Normal product queue/durable ancestry pending. See test_logs/TEST_LOG_2026-10-20_13-51-00_client-reliability-5-ready.md"
 }