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/account-actions.ts

@@ -0,0 +1,43 @@
+import { router } from "expo-router";
+import { Alert } from "react-native";
+
+import type { RemoveAccountResult } from "@/contexts/AccountsContext";
+
+type FinishAccountRemovalInput = {
+  result: RemoveAccountResult;
+  clearActiveAccount: () => Promise<void>;
+  signOut: () => Promise<unknown>;
+};
+
+/** Navigate to sign-in when the last saved account was removed. */
+export async function finishAccountRemoval({
+  result,
+  clearActiveAccount,
+  signOut,
+}: FinishAccountRemovalInput): Promise<void> {
+  if (result.remainingCount > 0) return;
+
+  await signOut();
+  await clearActiveAccount();
+  router.replace("/(auth)/sign-in");
+}
+
+export function confirmRemoveAccount(
+  label: string,
+  onRemove: () => Promise<RemoveAccountResult>,
+  onFinished: (result: RemoveAccountResult) => Promise<void>,
+) {
+  Alert.alert("Remove account", `Remove ${label} from this device?`, [
+    { text: "Cancel", style: "cancel" },
+    {
+      text: "Remove",
+      style: "destructive",
+      onPress: () => {
+        void (async () => {
+          const result = await onRemove();
+          await onFinished(result);
+        })();
+      },
+    },
+  ]);
+}