feat: Implement initial mobile application structure including IPTV features, authentication, routing, and theming.

lib/mobile/features/iptv/screens/mobile_dashboard_screen.dart

@@ -0,0 +1,60 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../../../core/models/playlist_config.dart';
+import '../../widgets/mobile_scaffold.dart';
+import '../../theme/mobile_theme.dart';
+import '../widgets/mobile_live_tv_tab.dart';
+import '../widgets/mobile_movies_tab.dart';
+import '../widgets/mobile_series_tab.dart';
+import '../widgets/mobile_settings_tab.dart';
+
+class MobileDashboardScreen extends ConsumerStatefulWidget {
+  final PlaylistConfig playlist;
+  
+  const MobileDashboardScreen({
+    super.key, 
+    required this.playlist,
+  });
+
+  @override
+  ConsumerState<MobileDashboardScreen> createState() => _MobileDashboardScreenState();
+}
+
+class _MobileDashboardScreenState extends ConsumerState<MobileDashboardScreen> {
+  int _currentIndex = 0;
+
+  @override
+  Widget build(BuildContext context) {
+    // Determine which tab to show
+    Widget currentTab;
+    switch (_currentIndex) {
+      case 0:
+        currentTab = MobileLiveTVTab(playlist: widget.playlist);
+        break;
+      case 1:
+        currentTab = MobileMoviesTab(playlist: widget.playlist);
+        break;
+      case 2:
+        currentTab = MobileSeriesTab(playlist: widget.playlist);
+        break;
+      case 3:
+        currentTab = const MobileSettingsTab();
+        break;
+      default:
+        currentTab = MobileLiveTVTab(playlist: widget.playlist);
+    }
+
+    return Theme(
+      data: MobileTheme.darkTheme,
+      child: MobileScaffold(
+        currentIndex: _currentIndex,
+        onIndexChanged: (index) {
+          setState(() {
+            _currentIndex = index;
+          });
+        },
+        child: currentTab,
+      ),
+    );
+  }
+}