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

Updated by fix-consistency on 2026-10-03:
  - update .custodian-brief.md for user-engine

Assistant: claude-code
Assistant-Model: fable
Assistant-Process: 3775@bnt-lap001
Assistant-Session: cfacb6a5-ad5b-4f79-ac67-053e3b0d34a3

.custodian-brief.md

@@ -2,7 +2,7 @@
 # Custodian Brief — user-engine
 
 **Domain:** communication  
-**Last synced:** 2026-09-30 16:56 UTC  
+**Last synced:** 2026-10-03 01:10 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -50,7 +50,8 @@ Progress: 1/3 done  |  workplan_id: `54d99faf-4c53-5927-a82c-feca41de2cf3`
 
 ## Inbox Hygiene
 
-**Missing thread_id:** 2 unread message(s) lack supersession chains.
+**Stale unread:** 3 message(s) older than 3 day(s) — triage at session start.
+**Missing thread_id:** 3 unread message(s) lack supersession chains.
 
 ---
 ## MCP Orientation (when available)