diff --git a/.custodian-brief.md b/.custodian-brief.md
index 2af2a69..f2831e6 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,11 +2,17 @@
 # Custodian Brief — email-connect
 
 **Domain:** infotech  
-**Last synced:** 2026-10-07 22:08 UTC  
+**Last synced:** 2026-10-08 10:19 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### Isolate explicitly admitted transactional mail callers
+Progress: 2/3 done  |  workplan_id: `3a0f264d-e441-5b12-964e-dab8fe5b3828`
+
+**Open tasks:**
+- ! T03 — Admit original caller transition, runtime custody and recovery  `9b4c7260`
+
 ### Back up and recover the transactional delivery ledger
 Progress: 2/4 done  |  workplan_id: `35be21a2-343b-52e1-ba5e-32fead7a7831`