diff --git a/.custodian-brief.md b/.custodian-brief.md
index a0a63c4..8ea802c 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,11 +2,20 @@
 # Custodian Brief — tmux-amq
 
 **Domain:** communication  
-**Last synced:** 2026-08-24 12:17 UTC  
+**Last synced:** 2026-08-24 12:43 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### Delivery reliability and practical integration evidence
+Progress: 0/4 done  |  workplan_id: `7961275b-8f1f-5827-b9fc-46b3ac35fb73`
+
+**Open tasks:**
+- ! Enforce acknowledgement semantics  `ff88d6c9`
+- ! Align CI and operator documentation  `44939829`
+- · Enforce bounded delivery attempts  `52c43745`
+- · Add real tmux and PTY lifecycle coverage  `9a3d84b4`
+
 ### Coordination-engine adapter boundary
 Progress: 0/3 done  |  workplan_id: `48da5fa7-b7bf-5d13-8edc-b90f266e241c`