S00-012: Record blocked task and remediation handoff

Changes: Preserve incomplete work and blocker metadata for S00-012. This checkpoint does not mark implementation accepted.
Validation: Session ended with status blocked.
Blocker: Agent exited with code 1

Task: S00-012
Agent: auto-qa-98b05bd56c25
Role: qa
Action: review
Status: blocked

Task title: Fix runner prompt delivery after partial stdin timeout

state/tasks.json

@@ -1,6 +1,6 @@
 {
   "schema_version": 1,
-  "revision": 24,
+  "revision": 25,
   "tasks": {
     "S00-001": {
       "status": "done",
@@ -1136,15 +1136,17 @@
       "completed_at": "2026-10-14T18:11:33+00:00"
     },
     "S00-012": {
-      "status": "review",
+      "status": "blocked",
       "owner": "auto-ci-cd-f101e40d9902",
       "external_wait": false,
-      "reason": null,
+      "reason": "Agent exited with code 1",
       "started_at": "2026-10-14T18:48:36+00:00",
-      "updated_at": "2026-10-14T18:50:52+00:00",
-      "blocked_by": [],
-      "resume_status": "in_progress",
-      "blocker_report": "state/blockers/S00-014.md",
+      "updated_at": "2026-10-14T18:51:14+00:00",
+      "blocked_by": [
+        "S00-015"
+      ],
+      "resume_status": "review",
+      "blocker_report": "state/blockers/S00-015.md",
       "handoff": "state/handoffs/S00-012.md",
       "previous_owner": "auto-ci-cd-28868645424b",
       "resumed_after_blocker": true,
@@ -1175,6 +1177,12 @@
       "reviewer": "auto-qa-0c2d58e2382e",
       "review_evidence": "state/evidence/S00-014-review.md",
       "completed_at": "2026-10-14T18:48:36+00:00"
+    },
+    "S00-015": {
+      "status": "todo",
+      "owner": null,
+      "external_wait": false,
+      "reason": null
     }
   },
   "events": [
@@ -1479,12 +1487,25 @@
       "to": "review",
       "reason": null,
       "evidence": "state/evidence/S00-012-auto-ci-cd-f101e40d9902.md"
+    },
+    {
+      "revision": 25,
+      "at": "2026-10-14T18:51:14+00:00",
+      "action": "escalate",
+      "task": "S00-012",
+      "resolution_task": "S00-015",
+      "agent": "auto-qa-98b05bd56c25",
+      "role": "qa",
+      "from": "review",
+      "to": "blocked",
+      "reason": "Agent exited with code 1"
     }
   ],
   "retired_agents": [
     "auto-orchestrator-3a4f07103316",
     "manual-security-stdin-20261015a",
     "manual-ci-cd-stdin-20261015b",
-    "auto-ci-cd-28868645424b"
+    "auto-ci-cd-28868645424b",
+    "auto-qa-98b05bd56c25"
   ]
 }