diff --git a/.custodian-brief.md b/.custodian-brief.md
index b5cdc27..4e97456 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,12 +2,13 @@
 # Custodian Brief — whynot-design
 
 **Domain:** infotech  
-**Last synced:** 2026-06-28 22:57 UTC  
+**Last synced:** 2026-06-30 07:23 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)*
+### Downstream consumption: versioned IR releases + consumer drift-check
+Progress: 9/9 done  |  workstream_id: `41fed928-f44a-48f4-9870-120310fbf071`
 
 ---
 ## MCP Orientation (when available)