Implement first knowledge engine runtime slice

.custodian-brief.md

@@ -2,23 +2,12 @@
 # Custodian Brief — kontextual-engine
 
 **Domain:** markitect  
-**Last synced:** 2026-05-04 23:16 UTC  
+**Last synced:** 2026-05-04 23:44 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
-### Headless Knowledge Engine Implementation
-Progress: 0/8 done  |  workstream_id: `0fd08391-e8c9-4f1b-ace4-06439f958e88`
-
-**Open tasks:**
-- · I3.1 - Scaffold package and test harness  `3d3400a5`
-- · I3.2 - Implement artifact and collection model  `638ce4d0`
-- · I3.3 - Implement storage abstraction  `41c84f25`
-- · I3.4 - Implement ingestion and normalization interfaces  `0be5fff9`
-- · I3.5 - Implement query and retrieval API  `c8841fab`
-- · I3.6 - Implement workflow run model  `0d62f47c`
-- · I3.7 - Implement agent context surface  `96689817`
-- … and 1 more open tasks
+No active workstreams for this repo.
 
 ---
 ## MCP Orientation (when available)