diff --git a/.custodian-brief.md b/.custodian-brief.md
index f86a6f5..8a6dee8 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -1,19 +1,19 @@
 <!-- custodian-brief: generated by fix-consistency — do not edit manually -->
 # Custodian Brief — repo-scoping
 
-**Domain:** capabilities  
-**Last synced:** 2026-05-15 19:14 UTC  
+**Domain:** custodian  
+**Last synced:** 2026-05-15 19:17 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
-### Finalize Repo-Scoping Rename
-Progress: 3/3 done  |  workstream_id: `dbeae3c5-74fc-46c0-be61-1bd8d81e65df`
+### Activity-Core Scope Context API
+Progress: 4/4 done  |  workstream_id: `83a43ab6-d566-41e0-afd7-f2833812564f`
 
 ---
 ## MCP Orientation (when available)
 
 If the state-hub MCP server is reachable, call:
-`get_domain_summary("capabilities")`
+`get_domain_summary("custodian")`
 This provides richer cross-domain context.
 If the MCP call fails, use this file as your orientation source.