diff --git a/.custodian-brief.md b/.custodian-brief.md
index 5ded6af..3f12f86 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — net-kingdom
 
 **Domain:** infotech  
-**Last synced:** 2026-08-19 20:07 UTC  
+**Last synced:** 2026-08-21 21:52 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -16,8 +16,10 @@ Progress: 7/8 done  |  workplan_id: `3dadddeb-4cec-48e2-9c2c-788b26dd6e93`
 
 ## Inbox Hygiene
 
-**Stale unread:** 3 message(s) older than 3 day(s) — triage at session start.
-**Missing thread_id:** 7 unread message(s) lack supersession chains.
+**Stale unread:** 8 message(s) older than 3 day(s) — triage at session start.
+**Missing thread_id:** 10 unread message(s) lack supersession chains.
+- ! audit-core: Review closed: all five audit-core findings adopted, declaration validates, one line will go stale  `5bff60de`
+- ! tenant-engine: Proposed ADR-0013 amendment: grouping is current classification, the identifier segment is historica  `f139427a`
 
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 ## MCP Orientation (when available)