Add React Native mobile app for Makima (#3)

* [WIP] Heartbeat checkpoint - 2026-01-18 02:58:27 UTC

* feat(mobile): complete mobile app integration and verification

- Add ThemeColors type export to Colors.ts for type safety
- Export SUPABASE_URL from supabase.ts and use environment variables
- Update .env.example with correct default URLs
- Add comprehensive README.md with setup instructions

Verified:
- TypeScript compiles without errors
- App exports successfully for iOS and Android
- All screens accessible (login, dashboard, tasks, settings, task detail)
- Auth flow working with Zustand store and Supabase

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* Task completion checkpoint

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/apps/mobile/hooks/useQuestions.ts b/apps/mobile/hooks/useQuestions.ts
new file mode 100644
index 0000000..af77a51
--- /dev/null
+++ b/apps/mobile/hooks/useQuestions.ts
@@ -0,0 +1,44 @@
+import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
+import { listPendingQuestions, answerQuestion, type PendingQuestion } from '../lib/api';
+
+// Query keys for questions
+export const questionKeys = {
+  all: ['questions'] as const,
+  lists: () => [...questionKeys.all, 'list'] as const,
+  list: () => [...questionKeys.lists()] as const,
+};
+
+/**
+ * Hook to fetch pending questions
+ * Polls every 5 seconds for updates
+ */
+export function usePendingQuestions() {
+  return useQuery({
+    queryKey: questionKeys.list(),
+    queryFn: listPendingQuestions,
+    refetchInterval: 5000,
+  });
+}
+
+/**
+ * Hook to answer a pending question
+ */
+export function useAnswerQuestion() {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: ({ questionId, response }: { questionId: string; response: string }) =>
+      answerQuestion(questionId, response),
+    onSuccess: () => {
+      // Invalidate questions list to refetch
+      queryClient.invalidateQueries({ queryKey: questionKeys.lists() });
+    },
+  });
+}
+
+/**
+ * Get the count of pending questions
+ */
+export function getQuestionCount(questions: PendingQuestion[] | undefined): number {
+  return questions?.length ?? 0;
+}