diff --git a/.custodian-brief.md b/.custodian-brief.md
index 5cba940..84892fb 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — coulomb-social
 
 **Domain:** communication  
-**Last synced:** 2026-10-06 11:53 UTC  
+**Last synced:** 2026-10-06 12:00 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -20,12 +20,6 @@ Progress: 1/10 done  |  workplan_id: `0ee96868-875c-536e-a661-07198c07a8ce`
 - · T02 — Prove paired metadata/content recovery  `04795cd7`
 - … and 2 more open tasks
 
-### Established use-case collection and executable regression gate
-Progress: 3/4 done  |  workplan_id: `d9ad740d-82a9-5130-b7da-29901542409a`
-
-**Open tasks:**
-- ► T04 — Verify and sync  `7aa0b568`
-
 ---
 ## MCP Orientation (when available)