diff --git a/.custodian-brief.md b/.custodian-brief.md
index 3b278ce..4b30787 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — secrets-engine
 
 **Domain:** infotech  
-**Last synced:** 2026-09-01 23:08 UTC  
+**Last synced:** 2026-09-03 21:38 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -28,6 +28,10 @@ Progress: 4/6 done  |  workplan_id: `31f7f8ea-7f73-516c-8877-f03a13f1db82`
 - ! Stage live apply and verification  `fb103f1e`
 - ! Reconcile routing ownership and retire interim proxies  `1431edae`
 
+## Inbox Hygiene
+
+**Missing thread_id:** 1 unread message(s) lack supersession chains.
+
 ---
 ## MCP Orientation (when available)