diff --git a/.custodian-brief.md b/.custodian-brief.md
index ef1b027..733563f 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,13 +2,17 @@
 # Custodian Brief — audit-core
 
 **Domain:** infotech  
-**Last synced:** 2026-08-13 12:14 UTC  
+**Last synced:** 2026-08-14 17:58 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
 *(none — repo may need first-session setup)*
 
+## Inbox Hygiene
+
+**Missing thread_id:** 1 unread message(s) lack supersession chains.
+
 ## SCOPE Freshness
 
 - SCOPE.md says active but no open workplans remain — refresh Current State.