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

Updated by fix-consistency on 2026-05-01:
  - update .custodian-brief.md for the-custodian

state-hub/scripts/consistency_check.py

@@ -73,6 +73,7 @@ VALID_TASK_PRIORITIES = {"low", "medium", "high", "critical"}
 # and before PATCHing, so "done" vs "completed" is never flagged as C-04 drift.
 FILE_TO_DB_WORKSTREAM_STATUS: dict[str, str] = {
     "done": "completed",
+    "todo": "active",   # workplan not yet started → active workstream in DB
 }
 
 # Ordinal ranking for task statuses used by the no-regress rule (T01/C-15).