diff --git a/.custodian-brief.md b/.custodian-brief.md
index b5c5291..3313393 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,12 +2,20 @@
 # Custodian Brief — hub-core
 
 **Domain:** infotech  
-**Last synced:** 2026-06-22 17:52 UTC  
+**Last synced:** 2026-08-21 06:51 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)*
+### Runtime consolidation and extension contract
+Progress: 1/6 done  |  workplan_id: `4a17907c-7382-453b-92a0-5f770ab4877f`
+
+**Open tasks:**
+- · Ship extension contract Tier 1 artefacts  `eac82a0b`
+- · Define runtime packaging decision  `f149096d`
+- · Implement core ports (minimal vertical)  `fa4db2f7`
+- · Conformance harness scaffold  `6f8fb0e8`
+- · Absorption plan with core-hub  `b35fff11`
 
 ---
 ## MCP Orientation (when available)