chore(consistency): sync task status from DB [auto]

Updated by fix-consistency on 2026-08-21:
  - update .custodian-brief.md for state-hub

.custodian-brief.md

@@ -2,7 +2,7 @@
 # Custodian Brief — state-hub
 
 **Domain:** infotech  
-**Last synced:** 2026-08-20 05:21 UTC  
+**Last synced:** 2026-08-21 19:52 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -15,6 +15,10 @@ Progress: 3/6 done  |  workplan_id: `749beac6-3c62-4284-aab5-9ed7fce900c2`
 - · Retire legacy surfaces  `02e508ed`
 - · Stabilization window and archive prep  `d52c95c6`
 
+## Inbox Hygiene
+
+**Missing thread_id:** 5 unread message(s) lack supersession chains.
+
 ---
 ## MCP Orientation (when available)