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

Updated by fix-consistency on 2026-08-18:
  - update .custodian-brief.md for activity-core

.custodian-brief.md

@@ -2,19 +2,13 @@
 # Custodian Brief — activity-core
 
 **Domain:** infotech  
-**Last synced:** 2026-08-06 11:06 UTC  
+**Last synced:** 2026-08-18 07:46 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
-
-**Stale unread:** 2 message(s) older than 3 day(s) — triage at session start.
-**Missing thread_id:** 2 unread message(s) lack supersession chains.
-- ! net-kingdom: NK-IN-0001/0002 promoted → NK-WP-0021 (ops SSO least-privilege)  `0bf03792`
-
 ---
 ## MCP Orientation (when available)