diff --git a/.custodian-brief.md b/.custodian-brief.md
index 6725512..56a14e1 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:** 2026-04-26 13:06 UTC  
+**Domain:** railiance  
+**Last synced:** 2026-04-26 13:12 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`
+
 ### Interface Change Registry — Coordinated API Evolution
 Progress: 0/6 done  |  workstream_id: `420a3981-abf5-4a8e-a94b-455964f1a0e5`
 
@@ -75,6 +78,6 @@ 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.