chore(consistency): sync task status from DB [auto]

Updated by fix-consistency on 2026-03-26:
  - update .custodian-brief.md for activity-core

.custodian-brief.md

@@ -2,7 +2,7 @@
 # Custodian Brief — activity-core
 
 **Domain:** custodian  
-**Last synced:** 2026-03-26 21:52 UTC  
+**Last synced:** 2026-03-26 22:24 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -21,17 +21,13 @@ Progress: 0/12 done  |  workstream_id: `3a4f47d9-8bc1-434e-acb4-bed5d4dacda0`
 - … and 5 more open tasks
 
 ### activity-core Foundation — Temporal Backbone
-Progress: 11/21 done  |  workstream_id: `e22516cc-4fdf-4dad-a928-a9e04a9fa7c7`
+Progress: 17/21 done  |  workstream_id: `e22516cc-4fdf-4dad-a928-a9e04a9fa7c7`
 
 **Open tasks:**
-- · T12: Seed one example ActivityDefinition  `f24662ff`
-- · T13: Scaffold Python worker project  `e0205c56`
-- · T14: Implement load_activity_definition activity  `b05f046f`
-- · 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
+- · T19: Implement TaskExecutorWorkflow (stub)  `70a7365f`
+- · T20: Wire up worker entrypoint  `1da921f5`
+- · T21: Manual end-to-end test  `f72bba1a`
 
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 ## MCP Orientation (when available)