React Native Expo app — full mobile client

- Expo SDK 54, expo-router, NativeWind
- 7 screens: login, tasks, calendar, goals, chat, settings, tabs
- API client (api.hasdo.info), SecureStore auth, AuthContext
- Tab navigation: Ukoly, Kalendar, Cile, Chat, Nastaveni
- Pull-to-refresh, FAB, group colors, priority dots
- Calendar grid with task dots
- AI chat with keyboard avoiding
- Web export verified (780 modules, 1.5MB bundle)
- Bundle ID: info.hasdo.taskteam

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

mobile/app/(tabs)/_layout.tsx

@@ -0,0 +1,63 @@
+import { Tabs } from 'expo-router';
+import { Ionicons } from '@expo/vector-icons';
+
+export default function TabLayout() {
+  return (
+    <Tabs
+      screenOptions={{
+        headerShown: true,
+        tabBarActiveTintColor: '#3B82F6',
+        tabBarInactiveTintColor: '#94A3B8',
+        headerStyle: { backgroundColor: '#3B82F6' },
+        headerTintColor: '#fff',
+        headerTitleStyle: { fontWeight: 'bold' },
+      }}
+    >
+      <Tabs.Screen
+        name="index"
+        options={{
+          title: 'Ukoly',
+          tabBarIcon: ({ color, size }) => (
+            <Ionicons name="checkbox-outline" size={size} color={color} />
+          ),
+        }}
+      />
+      <Tabs.Screen
+        name="calendar"
+        options={{
+          title: 'Kalendar',
+          tabBarIcon: ({ color, size }) => (
+            <Ionicons name="calendar-outline" size={size} color={color} />
+          ),
+        }}
+      />
+      <Tabs.Screen
+        name="goals"
+        options={{
+          title: 'Cile',
+          tabBarIcon: ({ color, size }) => (
+            <Ionicons name="trophy-outline" size={size} color={color} />
+          ),
+        }}
+      />
+      <Tabs.Screen
+        name="chat"
+        options={{
+          title: 'Chat',
+          tabBarIcon: ({ color, size }) => (
+            <Ionicons name="chatbubble-outline" size={size} color={color} />
+          ),
+        }}
+      />
+      <Tabs.Screen
+        name="settings"
+        options={{
+          title: 'Nastaveni',
+          tabBarIcon: ({ color, size }) => (
+            <Ionicons name="settings-outline" size={size} color={color} />
+          ),
+        }}
+      />
+    </Tabs>
+  );
+}