feat: Implement initial Xtream IPTV features including API service, models, and UI for live TV, movies, series, and settings.

lib/features/iptv/providers/settings_provider.dart

@@ -0,0 +1,59 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+/// Settings state for IPTV preferences
+class IptvSettings {
+  /// Category filter keywords (comma-separated)
+  /// Example: "FR,FRANCE,HD" will show only categories containing one of these words
+  final String categoryFilter;
+
+  const IptvSettings({
+    this.categoryFilter = '',
+  });
+
+  IptvSettings copyWith({
+    String? categoryFilter,
+  }) {
+    return IptvSettings(
+      categoryFilter: categoryFilter ?? this.categoryFilter,
+    );
+  }
+
+  /// Get list of filter keywords (trimmed and non-empty)
+  List<String> get filterKeywords {
+    if (categoryFilter.isEmpty) return [];
+    return categoryFilter
+        .split(',')
+        .map((s) => s.trim().toUpperCase())
+        .where((s) => s.isNotEmpty)
+        .toList();
+  }
+
+  /// Check if a category name matches the filter
+  /// Returns true if no filter is set or if the category contains any keyword
+  bool matchesFilter(String categoryName) {
+    final keywords = filterKeywords;
+    if (keywords.isEmpty) return true;
+    
+    final upperName = categoryName.toUpperCase();
+    return keywords.any((keyword) => upperName.contains(keyword));
+  }
+}
+
+/// IPTV Settings notifier for managing user preferences
+class IptvSettingsNotifier extends StateNotifier<IptvSettings> {
+  IptvSettingsNotifier() : super(const IptvSettings());
+
+  void setCategoryFilter(String filter) {
+    state = state.copyWith(categoryFilter: filter);
+  }
+
+  void clearCategoryFilter() {
+    state = state.copyWith(categoryFilter: '');
+  }
+}
+
+/// Provider for IPTV settings
+final iptvSettingsProvider =
+    StateNotifierProvider<IptvSettingsNotifier, IptvSettings>((ref) {
+  return IptvSettingsNotifier();
+});