feat: add EventsApi and eventsApiProvider

lib/data/api/events_api.dart

@@ -0,0 +1,58 @@
+import 'package:dio/dio.dart';
+
+import '../models/calendar_event.dart';
+import 'api_client.dart';
+
+class EventsApi {
+  final Dio _dio;
+  const EventsApi(this._dio);
+
+  /// GET /api/events?from={iso}&to={iso}
+  Future<List<CalendarEvent>> getEvents(DateTime from, DateTime to) async {
+    try {
+      final response = await _dio.get(
+        '/api/events',
+        queryParameters: {
+          'from': from.toUtc().toIso8601String(),
+          'to': to.toUtc().toIso8601String(),
+        },
+      );
+      final list = response.data as List<dynamic>;
+      return list
+          .map((e) => CalendarEvent.fromJson(e as Map<String, dynamic>))
+          .toList();
+    } on DioException catch (e) {
+      throw dioToApp(e);
+    }
+  }
+
+  /// POST /api/events
+  Future<CalendarEvent> createEvent(Map<String, dynamic> payload) async {
+    try {
+      final response = await _dio.post('/api/events', data: payload);
+      return CalendarEvent.fromJson(response.data as Map<String, dynamic>);
+    } on DioException catch (e) {
+      throw dioToApp(e);
+    }
+  }
+
+  /// PATCH /api/events/{id}
+  Future<CalendarEvent> updateEvent(
+      int id, Map<String, dynamic> fields) async {
+    try {
+      final response = await _dio.patch('/api/events/$id', data: fields);
+      return CalendarEvent.fromJson(response.data as Map<String, dynamic>);
+    } on DioException catch (e) {
+      throw dioToApp(e);
+    }
+  }
+
+  /// DELETE /api/events/{id}
+  Future<void> deleteEvent(int id) async {
+    try {
+      await _dio.delete('/api/events/$id');
+    } on DioException catch (e) {
+      throw dioToApp(e);
+    }
+  }
+}

lib/providers/api_client_provider.dart

@@ -9,6 +9,7 @@ import '../data/api/chat_api.dart';
 import '../data/api/knowledge_api.dart';
 import '../data/api/voice_api.dart';
 import '../data/api/milestones_api.dart';
+import '../data/api/events_api.dart';
 import '../data/api/news_api.dart';
 import '../data/api/notes_api.dart';
 import '../data/api/projects_api.dart';
@@ -115,3 +116,7 @@ final voiceRepositoryProvider = Provider<VoiceRepository>((ref) {
 final newsApiProvider = Provider<NewsApi>((ref) {
   return NewsApi(ref.watch(dioProvider));
 });
+
+final eventsApiProvider = Provider<EventsApi>((ref) {
+  return EventsApi(ref.watch(dioProvider));
+});