diff --git a/docs/web-ui/agent.md b/docs/web-ui/agent.md
index 24d7f420..6b1542c7 100644
--- a/docs/web-ui/agent.md
+++ b/docs/web-ui/agent.md
@@ -277,14 +277,9 @@ Unknown `/foo` shows an error row instead of being silently sent.
 
 ## Per-agent endpoints
 
-Successful POSTs return 200 (no 303 redirects). Error responses
-use semantic status codes: **400** for missing/invalid input
-(`body` required, unknown model name, invalid effort level),
-**409** for retryable state conflicts (turn in flight when
-`/compact` is called, hive-c0re busy on `GET /api/loose-ends`),
-**500** only for genuine server/transport failures. The matching
-mutations fire `LiveEvent` variants on the per-agent bus, so the
-client doesn't refetch `/api/state` on submit — the SSE stream
+All POSTs return 200 (no 303 redirects). The matching mutations
+fire `LiveEvent` variants on the per-agent bus, so the client
+doesn't refetch `/api/state` on submit — the SSE stream
 delivers the new state faster anyway. Only the login flow still
 polls (session output streams in updates that aren't event-
 shaped).