diff --git a/.custodian-brief.md b/.custodian-brief.md
index 5e84f2c..dbcc3a7 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -1,12 +1,15 @@
 <!-- custodian-brief: generated by fix-consistency — do not edit manually -->
 # Custodian Brief — repo-scoping
 
-**Domain:** capabilities  
-**Last synced:** 2026-05-15 12:34 UTC  
+**Domain:** custodian  
+**Last synced:** 2026-05-15 12:57 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### Activity-Core Scope Context API
+Progress: 4/4 done  |  workstream_id: `83a43ab6-d566-41e0-afd7-f2833812564f`
+
 ### Agentic Characteristic Acceptance
 Progress: 0/8 done  |  workstream_id: `7feaa5b5-32d8-4b8e-b377-cbb3ddacf64a`
 
@@ -20,16 +23,10 @@ Progress: 0/8 done  |  workstream_id: `7feaa5b5-32d8-4b8e-b377-cbb3ddacf64a`
 - · T07: Regression Coverage For Acceptance Boundary  `37a22c89`
 - … and 1 more open tasks
 
-### Self-Scoping Baseline Evaluation
-Progress: 7/8 done  |  workstream_id: `1c740db0-1999-478b-b3e3-c0fdfec1e9dd`
-
-**Open tasks:**
-- · T06: Add Side-By-Side Review UI  `16a60b7c`
-
 ---
 ## 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.