diff --git a/.custodian-brief.md b/.custodian-brief.md
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 # Custodian Brief — net-kingdom
 
 **Domain:** infotech  
-**Last synced:** 2026-08-22 12:54 UTC  
+**Last synced:** 2026-08-23 10:42 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### Implement deterministic security scenario composition
+Progress: 4/5 done  |  workplan_id: `8a884593-b7f9-508a-9e15-bfd901463ac1`
+
+**Open tasks:**
+- ! Obtain lightweight-provider declarations  `41fd145d`
+
 ### Reconcile reef placement and security-zone canon dependencies
 Progress: 3/6 done  |  workplan_id: `a30a33e4-f980-4934-9efb-d61a75e6ae81`