diff --git a/.custodian-brief.md b/.custodian-brief.md
index 44847e7..ed21a49 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — flex-auth
 
 **Domain:** infotech  
-**Last synced:** 2026-09-28 21:49 UTC  
+**Last synced:** 2026-09-28 22:31 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -47,6 +47,10 @@ Progress: 2/3 done  |  workplan_id: `954635b2-8377-5227-ab4f-10607b2a02c6`
 - ! Verify actual human review through the native service  `9417d64a`
   *(wait: Needs the operator's exact signed-in account and actual human acknowledgements; synthetic policy checks are not acceptance.)*
 
+## Inbox Hygiene
+
+**Missing thread_id:** 1 unread message(s) lack supersession chains.
+
 ---
 ## MCP Orientation (when available)