- Match {:ok, cycles, notifications} tuple correctly
- Handle case when no cycles are generated ({:ok, [], []})
- Prevents CaseClauseError when regeneration produces no new cycles
- Normalize checkbox 'on' value to boolean true in settings
- Change Payment Data layout to flex-nowrap for horizontal display
- Replace membership fee type dropdown with display-only view
- Fix tests to use correct button selectors and switch to membership fees tab