style(11-04): apply prettier to phase-11 modified files

- apps/pwa/src/components/EventForm.tsx (Task 2)
- apps/api/src/broker/{expand,reminderScheduler,sync,vevent}.ts (Plans 11-01/11-03)
- apps/api/tests/broker/{reminderScheduler,sync}.test.ts (Plans 11-01/11-03)

apps/pwa/src/components/EventForm.tsx

@@ -80,10 +80,7 @@ function humanizeReminderLead(minutes: number): string {
  * string for an off-list value (synthetic option will be rendered for this case).
  * There is no '__custom__' path here — the occurrence only carries number|null.
  */
-function deriveReminderValue(
-  leadMinutes: number | null,
-  isAllDay: boolean,
-): string {
+function deriveReminderValue(leadMinutes: number | null, isAllDay: boolean): string {
   if (leadMinutes === null) return '__none__';
   const presets = isAllDay ? ALLDAY_REMINDER_PRESETS : TIMED_REMINDER_PRESETS;
   if (presets.has(leadMinutes)) return String(leadMinutes);