diff --git a/.custodian-brief.md b/.custodian-brief.md
index ea5f11d..691ffa7 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,11 +2,21 @@
 # Custodian Brief — tmux-amq
 
 **Domain:** communication  
-**Last synced:** 2026-08-24 18:39 UTC  
+**Last synced:** 2026-08-24 20:10 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### Target-pane terminal output notifications
+Progress: 0/5 done  |  workplan_id: `99c8039f-6230-55af-bb67-9b0245d9909f`
+
+**Open tasks:**
+- ► Specify and isolate the output channel  `00972410`
+- · Persist one-time display state  `e9bc0a58`
+- · Make terminal output the normal managed-session mode  `e59a59b0`
+- · Prove output without input  `e51146f4`
+- · Install and document the operator workflow  `af6100d5`
+
 ### Coordination-engine adapter boundary
 Progress: 0/3 done  |  workplan_id: `48da5fa7-b7bf-5d13-8edc-b90f266e241c`