Backend:
- Add due_time (TIME, nullable) column to todos model + migration 015
- Add due_time to Create/Update/Response schemas
Frontend:
- Add due_time to Todo type
- TodoForm: add time input, convert empty strings to null before
sending (fixes date appearing required — Pydantic rejected '' as date)
- TodoItem: display clock icon + time when due_time is set
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Backend:
- Add reset_at (datetime) and next_due_date (date) columns to todos
- Toggle endpoint calculates reset schedule when completing recurring todos:
daily resets next day, weekly resets start of next week (respects
first_day_of_week setting), monthly resets 1st of next month
- GET /todos auto-reactivates recurring todos whose reset_at has passed,
updating due_date to next_due_date and clearing completion state
- Alembic migration 014
Frontend:
- Add reset_at and next_due_date to Todo type
- TodoItem shows recurrence badge (Daily/Weekly/Monthly) in purple
- Completed recurring todos display reset info:
"Resets Mon 02/03/26 · Next due 06/03/26"
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>