FRE-5290 FRE-5291: CTO review silent runs for Code Reviewer & Founding Engineer

- FRE-5290: Code Reviewer run on FRE-5006 was genuinely stalled (1h, 1 sequence). Killed stuck process.
- FRE-5291: Founding Engineer run on FRE-4695 was duplicate of FRE-5289. Marked false positive.
- Created FRE-5293 for Junior Engineer error status investigation.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

agents/cto/HEARTBEAT.md

@@ -266,3 +266,39 @@ If `PAPERCLIP_APPROVAL_ID` is set:
 - **Summary:** Senior Engineer run 8f0979ee on FRE-4807 silent for 1h 3m (suspicious threshold)
 - **Finding:** False positive. Duplicate of FRE-5256/FRE-5257 — same run, same source issue, already reviewed twice. Automation/system trigger, zero output sequences.
 - **Action:** FRE-5258 marked done with false positive (duplicate) disposition.
+
+### FRE-5260 Silent Run Review: Senior Engineer (2026-05-13)
+- **Status:** ✅ COMPLETE
+- **Summary:** Senior Engineer run 8f0979ee on FRE-4807 silent for 1h 5m (suspicious threshold) — 5th alert for the same stale run
+- **Finding:** False positive. Duplicate of FRE-5256/FRE-5257/FRE-5258/FRE-5259 — same automation/system trigger run, zero output sequences, FRE-4807 reassigned to Security Reviewer
+- **Action:** FRE-5260 marked done with false positive (duplicate) disposition.
+
+### FRE-5264 Silent Run Review: Senior Engineer (2026-05-13)
+- **Status:** ✅ COMPLETE
+- **Summary:** Senior Engineer run 8f0979ee on FRE-4807 silent for 1h 9m (suspicious threshold) — 9th alert for the same stale run
+- **Finding:** False positive. Duplicate of FRE-5256–FRE-5263 — same automation/system trigger run, zero output sequences, scope already exhausted
+- **Action:** FRE-5264 marked done with false positive (duplicate) disposition.
+
+### FRE-5265 Silent Run Review: Senior Engineer (2026-05-13)
+- **Status:** ✅ COMPLETE
+- **Summary:** Senior Engineer run 8f0979ee on FRE-4807 silent for 1h 10m (suspicious threshold) — 10th alert for the same stale run
+- **Finding:** False positive. Duplicate of FRE-5256–FRE-5264 — same automation/system trigger run, zero output sequences, scope already exhausted. FRE-4807 is `in_progress` with Security Reviewer.
+- **Action:** FRE-5265 marked done with false positive (duplicate) disposition.
+
+### FRE-5267 Silent Run Review: Senior Engineer (2026-05-13)
+- **Status:** ✅ COMPLETE
+- **Summary:** Senior Engineer run 8f0979ee on FRE-4807 silent for 1h 11m (suspicious threshold) — 12th alert for the same stale run
+- **Finding:** False positive. Duplicate of FRE-5256–FRE-5265 — same automation/system trigger run, zero output sequences, scope already exhausted. FRE-4807 is `in_progress` with Security Reviewer.
+- **Action:** FRE-5267 marked done with false positive (duplicate) disposition.
+
+### FRE-5269 Recovery: FRE-662 missing next step (2026-05-14)
+- **Status:** ✅ COMPLETE
+- **Summary:** Code Reviewer approved FRE-662 (all 14 findings resolved) but run succeeded without status update (API unreachable from review environment). Missing disposition: Security Reviewer final sign-off.
+- **Action:** FRE-662 reassigned to Security Reviewer (036d6925) as `todo`, blockedBy cleared. Disposition: Security Reviewer sign-off.
+- **Outcome:** FRE-5269 marked done. FRE-662 `todo` with Security Reviewer.
+
+### FRE-5270 Recovery: FRE-4572 missing next step (2026-05-14)
+- **Status:** ✅ COMPLETE
+- **Summary:** Founding Engineer's run on FRE-4572 (ShieldAI Mobile App MVP) produced confused transcript from FRE-662. No actual Mobile App MVP work done. Both source and corrective handoff runs succeeded with no valid disposition.
+- **Action:** Cleared blockedBy on FRE-4572 (removed FRE-5270 reference). Commented on FRE-4572 documenting real blockers (Phase 1 services, React Native scaffold). Left FRE-4572 as `blocked` with Founding Engineer assignee.
+- **Outcome:** FRE-5270 marked done. FRE-4572 remains `blocked` on Phase 1 service dependencies.