diff --git a/.custodian-brief.md b/.custodian-brief.md
index 328d522..8ef509f 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -1,12 +1,18 @@
 <!-- custodian-brief: generated by fix-consistency — do not edit manually -->
 # Custodian Brief — the-custodian
 
-**Domain:** custodian  
-**Last synced:** 2026-03-26 16:45 UTC  
+**Domain:** railiance  
+**Last synced:** 2026-03-26 23:42 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### Cross-Repo E2E Sandbox Framework
+Progress: 4/5 done  |  workstream_id: `b68de20b-e397-4f97-b1be-ad30711fc2a6`
+
+**Open tasks:**
+- · T05 — runbook + smoke test instructions  `bbb106bd`
+
 ### FOS Hub Bootstrap — Identity, Hub Extraction, Ops Hub, Fin Hub
 Progress: 0/26 done  |  workstream_id: `293a74fe-a85a-4ad6-8933-23d52a72fe8b`
 
@@ -61,6 +67,6 @@ 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.