diff --git a/.custodian-brief.md b/.custodian-brief.md
index b9089cc..1ca25c8 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — inter-hub
 
 **Domain:** inter_hub  
-**Last synced:** 2026-04-29 12:10 UTC  
+**Last synced:** 2026-04-29 12:24 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Current Goal
@@ -11,7 +11,8 @@ IHF Phase 1 complete — Phase 2 ready to start
 
 ## Active Workstreams
 
-*(none — repo may need first-session setup)*
+### IHF Phase 9 — External API Surface and Consumer SDKs
+Progress: 11/11 done  |  workstream_id: `c6c6e87f-e145-4bc4-9881-61f92b14d4de`
 
 ---
 ## MCP Orientation (when available)