Research sweep captured in research/20260709-workstream-caller-sweep.md.
Migrate dashboard detail tasks query, custodian_cli POST bodies, and
onboarding curl to workplan-first paths; re-capture 8h legacy-meter evidence.
Expose hours query param on /legacy-meter/summary and weekly-review;
capture_legacy_meter_evidence.py defaults to --hours 8 (--days 7 for
weekly retirement gate). Re-capture post-deploy evidence with tighter window.