diff --git a/documentation/TODO__Agents.md b/documentation/TODO__Agents.md
index 726126e..4dd6406 100644
--- a/documentation/TODO__Agents.md
+++ b/documentation/TODO__Agents.md
@@ -26,6 +26,7 @@
     - [x] **V3 Uniform Lookup System:** Phase 1 & 2 Complete.
     - [ ] Verify SQL Views join in all required `_random` IDs for performance.
 - [ ] **Step 2:** Coordination (Verify Frontend uses `x-account-id` instead of token).
+- [ ] **Step 3:** Frontend V3 WebSocket integration test — queued after IDAA-specific work. Backend is ready (auth wired, heartbeat presence refresh confirmed, unit tests passing). Frontend guide updated at `GUIDE__AE_API_V3_for_Frontend_websockets.md`.
 
 ## 🛡️ Security & Privacy Baseline (IDAA)
 - **Status:** **ENFORCED**.