diff --git a/.custodian-brief.md b/.custodian-brief.md
index 54dc4ea..9b7ef48 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 — the-custodian
 
-**Domain:** custodian  
-**Last synced:** 2026-05-01 11:04 UTC  
+**Domain:** railiance  
+**Last synced:** 2026-05-01 11:21 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### Cross-Repo E2E Sandbox Framework
+Progress: 8/8 done  |  workstream_id: `b68de20b-e397-4f97-b1be-ad30711fc2a6`
+
 ### Task-Flow-Engine — Declarative Workstation and Requisite Model
 Progress: 0/6 done  |  workstream_id: `781e519b-0dd7-451b-b63c-fad50f999c9c`
 
@@ -19,11 +22,9 @@ Progress: 0/6 done  |  workstream_id: `781e519b-0dd7-451b-b63c-fad50f999c9c`
 - · T06: Extraction boundary and future repo scope  `b9242cb4`
 
 ### SCOPE.md Delegation — Custodian Preparation
-Progress: 1/5 done  |  workstream_id: `bf94b5e9-2bc3-4c09-88cd-233849d4d86c`
+Progress: 3/5 done  |  workstream_id: `bf94b5e9-2bc3-4c09-88cd-233849d4d86c`
 
 **Open tasks:**
-- · T01: Upgrade DOI engine C5 — content structure validation  `7d31bbea`
-- · T02: Surface SCOPE.md health in repo dispatch  `243280c7`
 - · T03: Register capability routes for scope generation  `042c54d4`
 - · T04: Update scope-analyst kaizen agent  `b6d64844`
 
@@ -84,6 +85,6 @@ Progress: 0/9 done  |  workstream_id: `9cc32158-2f5c-4ef6-9713-aacce4623d5e`
 ## MCP Orientation (when available)
 
 If the state-hub MCP server is reachable, call:
-`get_domain_summary("custodian")`
+`get_domain_summary("railiance")`
 This provides richer cross-domain context.
 If the MCP call fails, use this file as your orientation source.