diff --git a/.custodian-brief.md b/.custodian-brief.md
index 121ad07..a6cdece 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — coulomb-loop
 
 **Domain:** coulomb_social  
-**Last synced:** 2026-06-18 02:54 UTC  
+**Last synced:** 2026-06-18 05:46 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -51,10 +51,9 @@ Progress: 0/7 done  |  workstream_id: `f3a4b60a-7bc2-400d-bf8a-e7209a9e45c4`
 - · Promote cadence  `5b6bb667`
 
 ### Kaizen Improvement Stack (coach + metrics + optimization)
-Progress: 5/8 done  |  workstream_id: `90a05147-7b95-4ce7-96bf-39cdb487b557`
+Progress: 6/8 done  |  workstream_id: `90a05147-7b95-4ce7-96bf-39cdb487b557`
 
 **Open tasks:**
-- · activity-core handoff  `16c54902`
 - · Three-repo pilot with metrics  `e60fa833`
 - · Promote to daily cadence  `7c77ec4f`