diff --git a/.custodian-brief.md b/.custodian-brief.md
index 1964705..003e837 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,12 +2,21 @@
 # Custodian Brief — sand-boxer
 
 **Domain:** infotech  
-**Last synced:** 2026-06-24 10:57 UTC  
+**Last synced:** 2026-09-04 20:00 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)*
+### Owner-mediated governed bwrap execution
+Progress: 4/5 done  |  workplan_id: `b616d1cd-208f-5ecf-a4a0-a028396422c4`
+
+**Open tasks:**
+- ! Prove one governed rein and coordinate consumers  `c6812fd4`
+
+## Inbox Hygiene
+
+**Stale unread:** 1 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)