diff --git a/.custodian-brief.md b/.custodian-brief.md
index 3e4243a..77ebcd3 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,12 +2,13 @@
 # Custodian Brief — activity-core
 
 **Domain:** custodian  
-**Last synced:** 2026-05-14 21:06 UTC  
+**Last synced:** 2026-05-14 21:21 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)*
+### activity-core WP-0003 — Event Bridge Implementation
+Progress: 24/24 done  |  workstream_id: `b4eb45a9-69e3-4ab0-b00c-67a53c3117c5`
 
 ---
 ## MCP Orientation (when available)