diff --git a/.custodian-brief.md b/.custodian-brief.md
index 23b5597..699fdf2 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -1,18 +1,27 @@
 <!-- custodian-brief: generated by fix-consistency — do not edit manually -->
 # Custodian Brief — markitect-quarkdown
 
-**Domain:** (unknown)  
-**Last synced:** 2026-05-04 16:03 UTC  
+**Domain:** markitect  
+**Last synced:** 2026-05-15 11:00 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
-*(none — repo may need first-session setup)*
+### Quarkdown Render Adapter Boundary
+Progress: 0/6 done  |  workstream_id: `fb4ebcf9-21ba-455d-8982-63908663c130`
+
+**Open tasks:**
+- · P1.1 - Map Markitect render contract to Quarkdown invocation  `cb8014d5`
+- · P1.2 - Define Quarkdown profile and option mapping  `57a11359`
+- · P1.3 - Implement controlled CLI execution boundary  `e0aa1eb2`
+- · P1.4 - Handle Quarkdown permissions and output conventions  `c0d73105`
+- · P1.5 - Validate generated artifacts and provenance  `4719b31f`
+- · P1.6 - Maintain open-reuse integration metadata  `f8c2c874`
 
 ---
 ## MCP Orientation (when available)
 
 If the state-hub MCP server is reachable, call:
-`get_domain_summary("")`
+`get_domain_summary("markitect")`
 This provides richer cross-domain context.
 If the MCP call fails, use this file as your orientation source.