diff --git a/.custodian-brief.md b/.custodian-brief.md
index d508bbf..ad99327 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — railiance-infra
 
 **Domain:** financials  
-**Last synced:** 2026-08-25 15:46 UTC  
+**Last synced:** 2026-09-14 10:04 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -21,6 +21,11 @@ Progress: 6/8 done  |  workplan_id: `5738f113-1c4e-5d27-95b2-b6655e0b7279`
 - ! T05 — Provide a fresh green S1 handoff gate  `ba526585`
 - ! T08 — Automate bounded SOPS recipient rotation  `920f869a`
 
+## 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.
+
 ---
 ## MCP Orientation (when available)