diff --git a/.custodian-brief.md b/.custodian-brief.md
index e4ce4f9..48aa725 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,17 +2,36 @@
 # Custodian Brief — audit-core
 
 **Domain:** infotech  
-**Last synced:** 2026-10-02 22:46 UTC  
+**Last synced:** 2026-10-04 09:31 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)*
+### Obtain independent chain-head and refreshed tenancy evidence
+Progress: 0/2 done  |  workplan_id: `ad0685fd-77cc-5415-afae-87ea7226b195`
+
+**Open tasks:**
+- ! Obtain independent offsite chain-head readback  `5fa2bfe4`
+- ! Record refreshed E2 and asm-t08 owner prerequisites  `e8a9cd4f`
+
+### Validate canonical execution-attribution receipts on ingest
+Progress: 1/2 done  |  workplan_id: `687311f9-8830-5aac-b541-0c4f0413c9e6`
+
+**Open tasks:**
+- ! Implement and test canonical receipt validation  `33efb421`
+
+### Complete flex-auth and Qonto sender admission
+Progress: 2/5 done  |  workplan_id: `9e400de2-6ba1-520e-9b25-94aa2470e528`
+
+**Open tasks:**
+- ! Admit six flex-auth pin identities and verify custody  `fff70081`
+- ! Resolve the load-bearing failure-path declaration  `310e28d2`
+- ! Admit the Qonto collector and verify accepted-class mapping  `76b59808`
 
 ## Inbox Hygiene
 
 **Stale unread:** 3 message(s) older than 3 day(s) — triage at session start.
-**Missing thread_id:** 2 unread message(s) lack supersession chains.
+**Missing thread_id:** 4 unread message(s) lack supersession chains.
 
 ---
 ## MCP Orientation (when available)