diff --git a/documentation/TODO__Agents.md b/documentation/TODO__Agents.md
index c186fe9..4b6c259 100644
--- a/documentation/TODO__Agents.md
+++ b/documentation/TODO__Agents.md
@@ -71,9 +71,10 @@
   - Verify email normalization (space → +)
   - Verify display name format (5 cases)
 
-- [ ] **[P5] Coordinate with Frontend Agent** once P1–P3 are done:
-  - Frontend replaces direct `fetch()` to Novi in `+layout.svelte:verify_novi_uuid()`
-  - Map response codes: 200 → verified, 404 → denied, 429 → `'rate_limited'`, 503 → `'api_error'`
+- [x] **[P5] Coordinate with Frontend Agent** — **Complete (2026-05-19)**
+  - Frontend replaced direct `fetch()` to Novi in `+layout.svelte:verify_novi_uuid()`
+  - Response codes mapped: 200 → verified, 404 → denied, 429 → `'rate_limited'`, 503 → auto-retried (3s, once) then `'api_error'`
+  - 503 auto-retry added same session to match network-error retry path
 
 ## 🛡️ Security & Privacy Baseline (IDAA)
 - **Status:** **ENFORCED**.