diff --git a/.custodian-brief.md b/.custodian-brief.md
index dcd94fc..f357b4e 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,13 +2,26 @@
 # Custodian Brief — markitect-tool
 
 **Domain:** markitect  
-**Last synced:** 2026-05-03 19:57 UTC  
+**Last synced:** 2026-05-03 20:14 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`
+### Practical Document Contract Framework
+Progress: 0/8 done  |  workstream_id: `558787e1-d287-46a5-9214-634e8b90a858`
+
+**Open tasks:**
+- · P4.1 - Define contract terminology and file format  `2065d56a`
+- · P4.2 - Implement unified diagnostic model  `3ed3af1b`
+- · P4.3 - Implement section specifications  `c4166e5a`
+- · P4.4 - Implement metric bands  `304af70e`
+- · P4.5 - Design form and context model  `1bcc82fe`
+- · P4.6 - Design LLM assessment adapter contract  `bef295ba`
+- · P4.7 - Add practical CLI surface  `9f61a5af`
+- … and 1 more open tasks
+
+### 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`