diff --git a/.custodian-brief.md b/.custodian-brief.md
index 7cfa001..1df1165 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,12 +2,19 @@
 # Custodian Brief — coulomb-loop
 
 **Domain:** coulomb_social  
-**Last synced:** 2026-06-18 12:06 UTC  
+**Last synced:** 2026-06-18 13:16 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)*
+### Operate phase observation and fleet expansion prep
+Progress: 3/7 done  |  workstream_id: `620731c9-ed7b-478d-97a2-5e251c2c36ff`
+
+**Open tasks:**
+- · Operate-phase draft  `07554dce`
+- · activity-core handoff  `92f93ac2`
+- · Regulator review (gate)  `890416df`
+- · reuse-surface expansion prep  `c6667e3e`
 
 ---
 ## MCP Orientation (when available)