diff --git a/.custodian-brief.md b/.custodian-brief.md
index 3f12f86..bb161b2 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,11 +2,18 @@
 # Custodian Brief — net-kingdom
 
 **Domain:** infotech  
-**Last synced:** 2026-08-21 21:52 UTC  
+**Last synced:** 2026-08-22 11:23 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### Reconcile reef placement and security-zone canon dependencies
+Progress: 1/3 done  |  workplan_id: `a30a33e4-f980-4934-9efb-d61a75e6ae81`
+
+**Open tasks:**
+- ! T03 - Reconcile reef ceilings mechanically  `b53bfb83`
+- ► T02 - Extend provider declarations to reefs  `601a0c5f`
+
 ### Cut over NetKingdom identity to railiance01 and retire CoulombCore
 Progress: 7/8 done  |  workplan_id: `3dadddeb-4cec-48e2-9c2c-788b26dd6e93`
 
@@ -17,7 +24,7 @@ Progress: 7/8 done  |  workplan_id: `3dadddeb-4cec-48e2-9c2c-788b26dd6e93`
 ## Inbox Hygiene
 
 **Stale unread:** 8 message(s) older than 3 day(s) — triage at session start.
-**Missing thread_id:** 10 unread message(s) lack supersession chains.
+**Missing thread_id:** 9 unread message(s) lack supersession chains.
 - ! audit-core: Review closed: all five audit-core findings adopted, declaration validates, one line will go stale  `5bff60de`
 - ! tenant-engine: Proposed ADR-0013 amendment: grouping is current classification, the identifier segment is historica  `f139427a`