style(18): prettier-format household timezone accessor + outbox test

These two files (from the WR-01 / IN-03 review fixes) had formatting that
failed `pnpm format:check`. No logic change — whitespace/wrapping only.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

apps/api/src/lib/householdTimezone.ts

@@ -22,9 +22,7 @@ import { appConfig } from '../db/schema.js';
  * This is the D-05 single source of truth for the server-side all-day "9 AM local"
  * reminder computation in reminderScheduler.ts and outboxWorker.ts.
  */
-export async function getHouseholdTimezone(
-  db: MySql2Database<typeof schema>,
-): Promise<string> {
+export async function getHouseholdTimezone(db: MySql2Database<typeof schema>): Promise<string> {
   const [row] = await db
     .select({ value: appConfig.value })
     .from(appConfig)