diff --git a/.custodian-brief.md b/.custodian-brief.md
index d16c754..f412224 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — coordination-engine
 
 **Domain:** communication  
-**Last synced:** 2026-09-24 00:22 UTC  
+**Last synced:** 2026-09-27 15:45 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -15,7 +15,8 @@ Progress: 1/2 done  |  workplan_id: `bf08c283-0f43-5a8d-9e63-17c4b96ded11`
 
 ## Inbox Hygiene
 
-**Missing thread_id:** 2 unread message(s) lack supersession chains.
+**Stale unread:** 1 message(s) older than 3 day(s) — triage at session start.
+**Missing thread_id:** 1 unread message(s) lack supersession chains.
 
 ---
 ## MCP Orientation (when available)