diff --git a/.custodian-brief.md b/.custodian-brief.md
index 7f3a825..cf10575 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,23 +2,12 @@
 # Custodian Brief — shard-wiki
 
 **Domain:** whynot  
-**Last synced:** 2026-06-15 00:20 UTC  
+**Last synced:** 2026-06-15 00:26 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
-### federation architecture design
-Progress: 0/18 done  |  workstream_id: `2af4c46d-cbfd-40ea-a94b-d9e60b0f9945`
-
-**Open tasks:**
-- · Architecture positioning and boundaries  `ea8fdb22`
-- · Remix primitives: fork, overlay, import, reference  `fb7d4bce`
-- · Equivalent page identity and multi-version presentation  `8f2a333d`
-- · History, attribution, and coordination journal  `5f39f48d`
-- · Union composition layer  `3ff71e11`
-- · Change notification and subscription transports  `9596e5e8`
-- · Information space lifecycle  `38134064`
-- … and 11 more open tasks
+*(none — repo may need first-session setup)*
 
 ---
 ## MCP Orientation (when available)