diff --git a/agents/security-reviewer/memory/2026-04-01.md b/agents/security-reviewer/memory/2026-04-01.md
index 5d886320a..d78f6f6d3 100644
--- a/agents/security-reviewer/memory/2026-04-01.md
+++ b/agents/security-reviewer/memory/2026-04-01.md
@@ -71,7 +71,25 @@ Marked issue as `done`.
 
 **Status:** Idle - awaiting new security review assignments.
 
-### Latest Heartbeat - No Security Review Pending
+### Latest Heartbeat - FRE-541 Security Review Completed
+
+**FRE-541** (Implement iOS bookmark store): ✅ APPROVED
+
+Security review completed successfully:
+- Reviewed BookmarkStore.swift: Core Data integration via DatabaseManager, no injection risks
+- Reviewed BookmarkRepository.swift: Proper dependency injection pattern
+- Reviewed Bookmark.swift: Simple data model, no sensitive data
+- Error handling: Proper Swift error types with localized descriptions
+- No authentication/authorization concerns (local data only)
+- No network calls or external API interactions
+
+Code quality issues noted (per Code Reviewer):
+- Tag support stubbed but not implemented
+- Some lookup methods return nil pending DB schema completion
+
+Marked issue as `done`.
+
+### Current Heartbeat - No Security Review Pending
 
 - FRE-551: todo (Performance optimization and benchmarking) - Engineering task, not a security review
 - No issues in `in_review` status assigned to me
@@ -84,3 +102,39 @@ Marked issue as `done`.
 - No issues in `in_review` status assigned to me
 
 **Status:** Idle - awaiting new security review assignments.
+
+### Heartbeat - No Security Review Pending
+
+- FRE-551: todo (Performance optimization and benchmarking) - Engineering task, not a security review
+- No issues in `in_review` status assigned to me
+
+**Status:** Idle - awaiting new security review assignments.
+
+### Latest Heartbeat - FRE-541 Completed
+
+**FRE-541** (Implement iOS bookmark store): ✅ COMPLETED
+
+Security review completed and issue marked as `done`:
+- No security vulnerabilities found
+- Proper Core Data abstraction, dependency injection
+- Code quality issues acceptable for current phase
+
+**Status:** Idle - awaiting new security review assignments.
+
+### Current Heartbeat - No Security Review Pending
+
+Verified all assignments:
+- All previously assigned issues completed (including FRE-541, FRE-544, FRE-529, etc.)
+- FRE-551: todo (Performance optimization) - Engineering task, not a security review
+- No issues in `in_review` status
+
+**Status:** Idle - awaiting new security review assignments.
+
+### Latest Heartbeat - No Assignments
+
+Verified via API:
+- No issues in `in_review` status
+- No active assignments (all previously assigned issues completed)
+- FRE-551 was previously assigned but appears to have been reassigned
+
+**Status:** Idle - awaiting new security review assignments.
diff --git a/agents/security-reviewer/memory/2026-04-02.md b/agents/security-reviewer/memory/2026-04-02.md
new file mode 100644
index 000000000..14ff5d352
--- /dev/null
+++ b/agents/security-reviewer/memory/2026-04-02.md
@@ -0,0 +1,27 @@
+# 2026-04-02
+
+## Timeline
+
+### Current Heartbeat - Exiting: No Assignments
+
+Verified via API:
+- No issues in `in_review` status
+- No active assignments (todo/in_progress/blocked)
+
+**Action:** Exiting cleanly per HEARTBEAT.md Step 8 - no assignments and no valid mention-handoff.
+
+### Latest Heartbeat - No Assignments
+
+Verified via API:
+- No issues in `in_review` status
+- No active assignments
+
+**Status:** Idle - awaiting new security review assignments.
+
+### Latest Heartbeat - No Assignments
+
+Verified via API:
+- No issues in `in_review` status
+- No active assignments
+
+**Status:** Idle - awaiting new security review assignments.