style: apply prettier across the tree

One-shot prettier pass so the new format:check gate starts from a clean
baseline. Formatting only — no behaviour change. Generator-owned and
vendored artifacts stay untouched via .prettierignore.

src/lib/gamification/achievements-result.ts

@@ -764,9 +764,15 @@ export async function buildAchievementsResult(
     // days the user was unwell.
     bmiGreenStreak: calculateLongestStreak(freeze(healthSeries.bmi.dayKeys)),
     bpGreenStreak: calculateLongestStreak(freeze(healthSeries.bp.dayKeys)),
-    pulseGreenStreak: calculateLongestStreak(freeze(healthSeries.pulse.dayKeys)),
-    onTimePerfectDayStreak: calculateLongestStreak(freeze(onTimeSeries.dayKeys)),
-    compliance80DayStreak: calculateLongestStreak(freeze(complianceSeries.dayKeys)),
+    pulseGreenStreak: calculateLongestStreak(
+      freeze(healthSeries.pulse.dayKeys),
+    ),
+    onTimePerfectDayStreak: calculateLongestStreak(
+      freeze(onTimeSeries.dayKeys),
+    ),
+    compliance80DayStreak: calculateLongestStreak(
+      freeze(complianceSeries.dayKeys),
+    ),
     passkeyCreatedCount: passkeyCreatedDates.length,
     passkeyLoginCount: passkeyLoginDates.length,
     passwordLoginCount: passwordLoginDates.length,

src/lib/gamification/care-metrics.ts

@@ -38,9 +38,7 @@ export interface CareIntakeEventRecord {
  * Feed the result to `calculateLongestStreak` /
  * `findStreakCompletionDate` like every other day series.
  */
-export function getMissFreeDayKeys(
-  events: CareIntakeEventRecord[],
-): string[] {
+export function getMissFreeDayKeys(events: CareIntakeEventRecord[]): string[] {
   const byDay = new Map<string, { resolved: number; missed: number }>();
   for (const event of events) {
     const dayKey = toBerlinDayKey(event.scheduledFor);