diff --git a/.custodian-brief.md b/.custodian-brief.md
index dd7e05e..8acc338 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,13 +2,13 @@
 # Custodian Brief — markitect-tool
 
 **Domain:** markitect  
-**Last synced:** 2026-05-03 19:25 UTC  
+**Last synced:** 2026-05-03 19:44 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
-### markitect-main Scope Extraction
-Progress: 5/5 done  |  workstream_id: `0fe54d2c-d579-4b03-a647-7a15bb835893`
+### markitect-tool Repository Foundation
+Progress: 5/5 done  |  workstream_id: `4d405d74-faec-440e-873e-692ff9ca96e7`
 
 ### Repo Integration: markitect-tool
 Progress: 3/4 done  |  workstream_id: `746bccfc-0ea2-4745-96fc-3abc34acc64f`
@@ -18,10 +18,9 @@ Progress: 3/4 done  |  workstream_id: `746bccfc-0ea2-4745-96fc-3abc34acc64f`
   *(blocked: No implementation package manifest exists yet; SBOM ingestion follows MKTT-WP-0001-T005 after packaging is introduced.)*
 
 ### Core Markdown Toolkit Implementation
-Progress: 3/8 done  |  workstream_id: `9fefb57d-985e-4125-8daf-03554844f45e`
+Progress: 4/8 done  |  workstream_id: `9fefb57d-985e-4125-8daf-03554844f45e`
 
 **Open tasks:**
-- · P3.3 - Implement schema load and validation  `36a22def`
 - · P3.4 - Implement query and extraction  `e4f72218`
 - · P3.5 - Implement transform, compose, and include primitives  `205d69eb`
 - · P3.6 - Implement templating and generation hooks  `307fa072`