diff --git a/.custodian-brief.md b/.custodian-brief.md
index eff875b..0d4ac70 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,12 +2,19 @@
 # Custodian Brief — info-tech-canon
 
 **Domain:** canon  
-**Last synced:** 2026-05-23 02:36 UTC  
+**Last synced:** 2026-05-23 02:42 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)*
+### Purpose And Demand Model Extension
+Progress: 0/4 done  |  workstream_id: `71fba9d5-f34f-427b-9da1-01990ab04e4d`
+
+**Open tasks:**
+- ► T01 - Concept proposal  `654ce87f`
+- · T02 - INTENT/SCOPE/PURPOSES pattern  `9fb752da`
+- · T03 - Governance extension candidates  `f2ec2951`
+- · T04 - Examples  `5cfd80ee`
 
 ---
 ## MCP Orientation (when available)