diff --git a/agents/cto/HEARTBEAT.md b/agents/cto/HEARTBEAT.md
index 0916a36c8..30413488b 100644
--- a/agents/cto/HEARTBEAT.md
+++ b/agents/cto/HEARTBEAT.md
@@ -366,3 +366,9 @@ If `PAPERCLIP_APPROVAL_ID` is set:
 - **Summary:** Senior Engineer run `e341c4ec` on [FRE-5354](/FRE/issues/FRE-5354) — 6th alert (1h 56m silent), same run as FRE-5358 through FRE-5362
 - **Finding:** False positive. PID 3123892 still running since 14:08 UTC, sleeping between heartbeats. Working tree has 12 modified files + untracked routes (device, subscription, APNs). Last commit `ece12b6` at 10:53 AM EDT. Senior Engineer has 7 active issues.
 - **Action:** FRE-5363 marked done as false positive.
+
+### FRE-5365 Silent Run Review: Senior Engineer (2026-05-14)
+- **Status:** ✅ DONE (false positive)
+- **Summary:** Senior Engineer run `e341c4ec` on [FRE-5354](/FRE/issues/FRE-5354) — 8th alert (2h+ silent), same run as FRE-5358 through FRE-5364
+- **Finding:** False positive. Senior Engineer has 7 active issues (1 in_progress, 5 todo, 1 in_review). Run `e341c4ec` has been running since 14:08 UTC with no output sequences — matches the established long-running silent process pattern. No intervention needed.
+- **Action:** FRE-5365 marked done as false positive.