diff --git a/.custodian-brief.md b/.custodian-brief.md
index 20be320..347efef 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,13 +2,36 @@
 # Custodian Brief — repo-manager
 
 **Domain:** infotech  
-**Last synced:** 2026-08-21 10:01 UTC  
+**Last synced:** 2026-08-21 19:42 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### Coding-assistant commit provenance trailers
+Progress: 0/7 done  |  workplan_id: `0516ce7b-c0fe-4555-bc31-eb7943c163ef`
+
+**Open tasks:**
+- · Define the trailer contract  `39ac4f86`
+- · Implement the hook  `7aaccdde`
+- · Wire Claude Code  `f7a29cca`
+- · Wire Codex  `180e50ff`
+- · Wire Grok  `b8451fe8`
+- · Report on assistant activity and collisions  `a28d9287`
+- · Handle existing history  `e4ff1ab5`
+
+### Receiving surface for work records and repository registers
+Progress: 1/7 done  |  workplan_id: `f45cebf3-7d49-471d-a903-d711e19f7653`
+
+**Open tasks:**
+- ! Owner-side UI  `24ee329d`
+- ► Repository registers  `902c71da`
+- · Intake records  `017f3b29`
+- · Decision records  `392ac64d`
+- · Dependencies and human-flag records  `216a03e6`
+- · Topic and classification contract  `ef7934de`
+
 ### Registrar consolidation and deterministic hub identifiers
-Progress: 2/10 done  |  workplan_id: `7ddb5421-d960-4a3c-94b1-40b6c96abfab`
+Progress: 3/12 done  |  workplan_id: `7ddb5421-d960-4a3c-94b1-40b6c96abfab`
 
 **Open tasks:**
 - ! Re-register identifiers minted outside the registrar  `8e679ddb`
@@ -18,7 +41,7 @@ Progress: 2/10 done  |  workplan_id: `7ddb5421-d960-4a3c-94b1-40b6c96abfab`
 - ! Separate file-derived from hub-native data  `241cf058`
 - ! Disposition the orphaned hub-first records  `d40cc4a8`
 - ! Assign one authoritative hub per record  `15f0f167`
-- … and 1 more open tasks
+- … and 2 more open tasks
 
 ### Repository standards conformance and governed scaffolding
 Progress: 4/9 done  |  workplan_id: `b8b3f1e0-b8df-4405-849e-11ec51f80ae5`