diff --git a/.custodian-brief.md b/.custodian-brief.md
index a22504d..2d50b67 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — informed-decision
 
 **Domain:** infotech  
-**Last synced:** 2026-09-21 20:54 UTC  
+**Last synced:** 2026-09-27 17:06 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -27,6 +27,11 @@ Progress: 7/8 done  |  workplan_id: `a985a65a-08f7-5a39-8645-b618ea022657`
 **Open tasks:**
 - ► Walking skeleton — one approval, end to end  `b5c1d329`
 
+## Inbox Hygiene
+
+**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)