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/api/src/broker/expand.ts

@@ -243,9 +243,7 @@ export function expandOccurrences(
   // classifyValarms wraps ICAL.parse in try/catch (T-11-07 safe); safe on parse failure → null.
   const alarmClass = classifyValarms(rawVevent);
   const reminderLeadMinutes: number | null =
-    alarmClass.kind === 'preset' || alarmClass.kind === 'offlist'
-      ? alarmClass.leadMinutes
-      : null;
+    alarmClass.kind === 'preset' || alarmClass.kind === 'offlist' ? alarmClass.leadMinutes : null;
 
   // --- 4. Non-recurring event: single occurrence check ---
   if (!isRecurring) {