feat: full app integration — all screens wired and working

mobile/src/__tests__/test-utils.tsx

@@ -0,0 +1,36 @@
+import React, { PropsWithChildren } from 'react';
+import { render, type RenderOptions } from '@testing-library/react-native';
+import { NavigationContainer } from '@react-navigation/native';
+import { GestureHandlerRootView } from 'react-native-gesture-handler';
+import { SafeAreaProvider } from 'react-native-safe-area-context';
+import { ThemeProvider } from '@/theme/ThemeContext';
+
+type TestProvidersProps = PropsWithChildren<object>;
+
+const TestProviders = ({ children }: TestProvidersProps) => (
+  <GestureHandlerRootView style={{ flex: 1 }}>
+    <SafeAreaProvider>
+      <ThemeProvider>{children}</ThemeProvider>
+    </SafeAreaProvider>
+  </GestureHandlerRootView>
+);
+
+const TestProvidersWithNavigation = ({ children }: TestProvidersProps) => (
+  <TestProviders>
+    <NavigationContainer>{children}</NavigationContainer>
+  </TestProviders>
+);
+
+interface RenderWithProvidersOptions extends Omit<RenderOptions, 'wrapper'> {
+  withNavigation?: boolean;
+}
+
+export const renderWithProviders = (
+  ui: React.ReactElement,
+  { withNavigation, ...options }: RenderWithProvidersOptions = {},
+) => {
+  return render(ui, {
+    ...options,
+    wrapper: withNavigation ? TestProvidersWithNavigation : TestProviders,
+  });
+};