diff --git a/.custodian-brief.md b/.custodian-brief.md
index 31201eb..ad57482 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,13 +2,19 @@
 # Custodian Brief — user-engine
 
 **Domain:** communication  
-**Last synced:** 2026-08-19 12:34 UTC  
+**Last synced:** 2026-08-25 18:04 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
 *(none — repo may need first-session setup)*
 
+## Inbox Hygiene
+
+**Stale unread:** 1 message(s) older than 3 day(s) — triage at session start.
+**Missing thread_id:** 1 unread message(s) lack supersession chains.
+- ! state-hub: [BREAKING] Task status canon: wait/todo/progress/done/cancel  `8a4d5bc8`
+
 ---
 ## MCP Orientation (when available)