diff --git a/.custodian-brief.md b/.custodian-brief.md
index 01b0f6c..830ff11 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — ops-warden
 
 **Domain:** infotech  
-**Last synced:** 2026-08-29 12:56 UTC  
+**Last synced:** 2026-08-31 22:49 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -23,6 +23,11 @@ Progress: 2/3 done  |  workplan_id: `21528e8d-a049-523d-9ae1-da7a27cb8bbf`
 **Open tasks:**
 - ► Task: Graded lockdown / break-glass with explicit trust-root  `cae498ee`
 
+## Inbox Hygiene
+
+**Stale unread:** 1 message(s) older than 3 day(s) — triage at session start.
+**Missing thread_id:** 6 unread message(s) lack supersession chains.
+
 ---
 ## MCP Orientation (when available)