diff --git a/archreview/plans/R2-12-repo-hygiene-plan.md.tasks.json b/archreview/plans/R2-12-repo-hygiene-plan.md.tasks.json
index 4fde8869..c750f984 100644
--- a/archreview/plans/R2-12-repo-hygiene-plan.md.tasks.json
+++ b/archreview/plans/R2-12-repo-hygiene-plan.md.tasks.json
@@ -13,7 +13,7 @@
     { "id": 9,  "subject": "T9a: C-5 proof — ScadaBridge sweep of StyleGuide.md + confirm no .editorconfig", "status": "completed", "blockedBy": [] },
     { "id": 10, "subject": "T9b: C-5 — StyleGuide ScadaBridge->OtOpcUa + minimal suggestion-severity .editorconfig; no new TWE warnings (Commit 4 with T8)", "status": "completed", "blockedBy": [9] },
     { "id": 11, "subject": "T10: C-4 — probe feed for xunit-v3 Akka TestKit; Branch A migrate 3 holdouts + drop 2.9.2 pin, else Branch B bump 2.9.x + blocker comment at the pin (Commit 5)", "status": "completed", "blockedBy": [] },
-    { "id": 12, "subject": "T11: final verification — whole-solution build+test, all hygiene assertions empty, update STATUS.md (U-9 already done, do not re-plan)", "status": "pending", "blockedBy": [1, 3, 5, 7, 8, 10, 11] }
+    { "id": 12, "subject": "T11: final verification — whole-solution build+test, all hygiene assertions empty, update STATUS.md (U-9 already done, do not re-plan)", "status": "completed", "blockedBy": [1, 3, 5, 7, 8, 10, 11] }
   ],
-  "lastUpdated": "2026-07-12"
+  "lastUpdated": "2026-07-13"
 }