diff --git a/.custodian-brief.md b/.custodian-brief.md
index 06a6a5a..853aa59 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,18 +2,25 @@
 # Custodian Brief — state-hub
 
 **Domain:** infotech  
-**Last synced:** 2026-08-31 18:06 UTC  
+**Last synced:** 2026-09-14 08:15 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
 ### State Hub retirement strangler and disposition execution
-Progress: 3/6 done  |  workplan_id: `ed077b62-7048-5752-bf65-f90471f45854`
+Progress: 4/9 done  |  workplan_id: `ed077b62-7048-5752-bf65-f90471f45854`
 
 **Open tasks:**
 - ! Execute move/replace slices  `3a454438`
 - ! Retire legacy surfaces  `f6cf8c01`
 - ! Stabilization window and archive prep  `9230c99b`
+- ! Attribute and finish migrating remaining legacy readers  `2ac16837`
+- ! Gate the production inbox reader switch  `da1d9a95`
+
+## Inbox Hygiene
+
+**Stale unread:** 2 message(s) older than 3 day(s) — triage at session start.
+**Missing thread_id:** 1 unread message(s) lack supersession chains.
 
 ---
 ## MCP Orientation (when available)