- expand.test.ts: 3 new tests asserting reminderIsCustom:true for
absolute DATE-TIME trigger and multi-VALARM, false for relative preset
- EventForm.test.tsx: 3 new tests asserting __custom__ picker init,
'Custom (kept)' option visibility, and payload omits reminderLeadMinutes
- Fixtures: absolute-alarm.ics (DATE-TIME VALARM), multi-alarm.ics (2 VALARMs)
- All 6 new tests FAIL (RED): reminderIsCustom field not yet on interface