feat(F-078): completed feature

work/artifacts/F-078/security.json

@@ -0,0 +1,37 @@
+{
+  "feature_id": "F-078",
+  "verdict": "APPROVED",
+  "checks": [
+    {
+      "name": "Auth on SSE endpoint",
+      "result": "PASS",
+      "notes": "Endpoint requires authenticate() + admin role; no anonymous subscription."
+    },
+    {
+      "name": "Log leakage surface",
+      "result": "PASS",
+      "notes": "Logs can contain user emails, request_ids, error stacks — admin-only by RBAC design. No PII surfaces beyond what audit already shows."
+    },
+    {
+      "name": "SSE headers / proxy safety",
+      "result": "PASS",
+      "notes": "X-Accel-Buffering: no prevents nginx response buffering; Cache-Control: no-cache prevents caching."
+    },
+    {
+      "name": "Client disconnect cleanup",
+      "result": "PASS",
+      "notes": "LogBroadcaster.registerClient() uses cancel() callback to remove the controller; addEntry also self-cleans on enqueue failure."
+    },
+    {
+      "name": "No new secrets or new deps",
+      "result": "PASS",
+      "notes": "Reuses existing pino; no new packages."
+    }
+  ],
+  "sast": "PASS",
+  "dependency_review": "PASS",
+  "secret_scan": "PASS",
+  "verdict_reason": "Endpoint is admin-gated; SSE headers correct; client lifecycle handled. No new attack surface.",
+  "reviewer": "security",
+  "reviewed_at": "2026-08-19T20:58:30Z"
+}