diff --git a/.custodian-brief.md b/.custodian-brief.md
index 3f240a4..72e8415 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — activity-core
 
 **Domain:** infotech  
-**Last synced:** 2026-10-06 09:09 UTC  
+**Last synced:** 2026-10-08 12:01 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -52,7 +52,8 @@ Progress: 4/8 done  |  workplan_id: `e1bfb5a4-e647-592d-883f-fe8728ad2f5f`
 
 ## Inbox Hygiene
 
-**Missing thread_id:** 1 unread message(s) lack supersession chains.
+**Stale unread:** 1 message(s) older than 3 day(s) — triage at session start.
+**Missing thread_id:** 3 unread message(s) lack supersession chains.
 
 ---
 ## MCP Orientation (when available)