diff --git a/.custodian-brief.md b/.custodian-brief.md
index 2657ad2..bf3e841 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,17 +2,25 @@
 # Custodian Brief — fin-hub
 
 **Domain:** financials  
-**Last synced:** 2026-08-11 12:54 UTC  
+**Last synced:** 2026-08-11 13:46 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### DATEV accounting adapter operations
+Progress: 0/4 done  |  workplan_id: `1c081ee5-cf39-4868-ac17-48aada6e102b`
+
+**Open tasks:**
+- ! Implement the selected transport  `e2400fb4`
+- ! Validate legal and bookkeeping completion  `16865fc6`
+- ! Certify upgrades and rollback  `e372997a`
+- · Confirm operational capabilities and ownership  `55cb6ec1`
+
 ### Establish the resource cost evidence contract
-Progress: 6/9 done  |  workplan_id: `67b6de6c-4820-4478-9789-f50260204c27`
+Progress: 7/9 done  |  workplan_id: `67b6de6c-4820-4478-9789-f50260204c27`
 
 **Open tasks:**
 - ! T05 — Implement and reconcile the first round trip  `9a411734`
-- · T04 — Expose budgets, commitments, and viability constraints  `3620fc2a`
 - · T06 — Generalize and operate the contract  `a1309d51`
 
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