diff --git a/.custodian-brief.md b/.custodian-brief.md
index bf77a39..684b550 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — security-canon
 
 **Domain:** infotech  
-**Last synced:** 2026-09-24 08:05 UTC  
+**Last synced:** 2026-10-03 15:36 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -11,6 +11,7 @@
 
 ## 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.
 
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