diff --git a/.custodian-brief.md b/.custodian-brief.md
index 3968d95..50b9fc1 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,19 +2,26 @@
 # Custodian Brief — gate-house
 
 **Domain:** infotech  
-**Last synced:** 2026-08-29 12:54 UTC  
+**Last synced:** 2026-09-01 18:26 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
 ### Foundation
-Progress: 3/6 done  |  workplan_id: `2ec4cf1a-a73f-5793-9738-8d8019cccca8`
+Progress: 4/6 done  |  workplan_id: `2ec4cf1a-a73f-5793-9738-8d8019cccca8`
 
 **Open tasks:**
-- · Foundation  `7903d142`
 - · Foundation  `010e3162`
 - · Foundation  `8cc018e1`
 
+## Inbox Hygiene
+
+**Stale unread:** 15 message(s) older than 3 day(s) — triage at session start.
+**Missing thread_id:** 13 unread message(s) lack supersession chains.
+- ! user-engine: USER-WP-0024 shipped pep-stance.yaml — please add §13.1 row  `82687a65`
+- ! railiance-master: railiance-master layer declaration and §20 assent (RMASTER-ADR-0009)  `da124e5c`
+- ! user-engine: USER-IN-0001 answered: Engine/PIP, not contested; PEP-shaped finding for §13.1  `c014d12a`
+
 ---
 ## MCP Orientation (when available)