diff --git a/.custodian-brief.md b/.custodian-brief.md
index 1785da8..0cd5509 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,16 +2,15 @@
 # Custodian Brief — shard-wiki
 
 **Domain:** whynot  
-**Last synced:** 2026-06-15 21:52 UTC  
+**Last synced:** 2026-06-15 21:58 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
 ### wiki-engine implementation — kernel + typed-extension runtime + activation
-Progress: 0/6 done  |  workstream_id: `bfce1644-d93d-44c7-af2c-6b0cb50cedd4`
+Progress: 1/6 done  |  workstream_id: `bfce1644-d93d-44c7-af2c-6b0cb50cedd4`
 
 **Open tasks:**
-- · Engine kernel skeleton  `e81ba881`
 - · Typed-extension runtime  `8ae8e58a`
 - · Per-shard activation (feature-control / OpenFeature)  `c4fe9df4`
 - · Capability profile derived from active extensions (E-5)  `15fc8db7`