diff --git a/.custodian-brief.md b/.custodian-brief.md
index ad57482..598bb02 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,12 +2,19 @@
 # Custodian Brief — user-engine
 
 **Domain:** communication  
-**Last synced:** 2026-08-25 18:04 UTC  
+**Last synced:** 2026-08-29 10:10 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)*
+### Security layer model conformance for Engine/PIP
+Progress: 2/6 done  |  workplan_id: `dee4ec0e-c451-50be-9363-e9cbc8ff68de`
+
+**Open tasks:**
+- · T02 — Machine-readable layer declaration and check  `2874fd05`
+- · T03 — PEP obligations on the production path  `caf7ef66`
+- · T04 — Evidence bound and cadence  `b4cebd66`
+- · T05 — Access-control facts remain claims  `f1ac9244`
 
 ## Inbox Hygiene