Redesign mobile time clock, add shortcuts, and improve account management.

Add iOS Shortcuts/Siri intents, local send-reminder notifications, stable
client picker with last-client defaults, account refresh/remove, and softer
session handling on unauthorized API responses.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/time-clock-prefs.ts

@@ -0,0 +1,21 @@
+import AsyncStorage from "@react-native-async-storage/async-storage";
+
+function storageKey(accountId: string) {
+  return `beenvoice:time-clock:last-client:${accountId}`;
+}
+
+export async function getLastTimeClockClientId(accountId: string): Promise<string | null> {
+  return AsyncStorage.getItem(storageKey(accountId));
+}
+
+export async function setLastTimeClockClientId(
+  accountId: string,
+  clientId: string,
+): Promise<void> {
+  if (!clientId) return;
+  await AsyncStorage.setItem(storageKey(accountId), clientId);
+}
+
+export async function clearTimeClockPrefsForAccount(accountId: string): Promise<void> {
+  await AsyncStorage.removeItem(storageKey(accountId));
+}