diff --git a/.custodian-brief.md b/.custodian-brief.md
index df4977e..0c697c1 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,12 +2,19 @@
 # Custodian Brief — core-hub
 
 **Domain:** infotech  
-**Last synced:** 2026-08-20 06:51 UTC  
+**Last synced:** 2026-08-21 06:48 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 absorption into hub-core and archive
+Progress: 1/5 done  |  workplan_id: `f5a90aa2-e63f-4f94-b052-8be0d0ee55ea`
+
+**Open tasks:**
+- ! Dual-run design  `d2679b41`
+- ! Execute absorption slices  `c01ddec1`
+- ! Cutover production traffic  `dc414053`
+- ! Archive repository  `16525001`
 
 ---
 ## MCP Orientation (when available)