diff --git a/.custodian-brief.md b/.custodian-brief.md
index 3c468cd..293e50b 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — activity-core
 
 **Domain:** custodian  
-**Last synced:** 2026-03-26 21:36 UTC  
+**Last synced:** 2026-03-26 21:52 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -21,17 +21,17 @@ Progress: 0/12 done  |  workstream_id: `3a4f47d9-8bc1-434e-acb4-bed5d4dacda0`
 - … and 5 more open tasks
 
 ### activity-core Foundation — Temporal Backbone
-Progress: 7/21 done  |  workstream_id: `e22516cc-4fdf-4dad-a928-a9e04a9fa7c7`
+Progress: 11/21 done  |  workstream_id: `e22516cc-4fdf-4dad-a928-a9e04a9fa7c7`
 
 **Open tasks:**
-- · T08: Choose and configure DB migration tool  `d9fe3e54`
-- · T09: Write activity_definitions migration  `47774e01`
-- · T10: Write activity_runs migration  `0a74f29f`
-- · T11: Write task_instances migration  `491a6903`
 - · T12: Seed one example ActivityDefinition  `f24662ff`
 - · T13: Scaffold Python worker project  `e0205c56`
 - · T14: Implement load_activity_definition activity  `b05f046f`
-- … and 7 more open tasks
+- · T15: Implement resolve_context activity (stub)  `2417912f`
+- · T16: Implement evaluate_templates (pure function)  `b7decbb6`
+- · T17: Implement log_run activity  `e019cb5a`
+- · T18: Implement RunActivityWorkflow  `fb6b3440`
+- … and 3 more open tasks
 
 ---
 ## MCP Orientation (when available)