Refactoring

lib/injection.dart

@@ -15,10 +15,19 @@ import 'package:trainhub_flutter/data/repositories/training_plan_repository_impl
 import 'package:trainhub_flutter/data/repositories/program_repository_impl.dart';
 import 'package:trainhub_flutter/data/repositories/analysis_repository_impl.dart';
 import 'package:trainhub_flutter/data/repositories/chat_repository_impl.dart';
+import 'package:trainhub_flutter/data/repositories/note_repository_impl.dart';
+import 'package:trainhub_flutter/domain/repositories/note_repository.dart';
+import 'package:trainhub_flutter/domain/services/ai_process_manager.dart';
+import 'package:trainhub_flutter/domain/services/embedding_service.dart';
+import 'package:trainhub_flutter/data/database/daos/knowledge_chunk_dao.dart';
 
 final GetIt getIt = GetIt.instance;
 
 void init() {
+  // AI Process Manager — must be registered before anything else so that the
+  // window lifecycle hook can always find it via getIt<AiProcessManager>().
+  getIt.registerSingleton<AiProcessManager>(AiProcessManager());
+
   // Database
   getIt.registerSingleton<AppDatabase>(AppDatabase());
 
@@ -30,6 +39,12 @@ void init() {
   getIt.registerSingleton<ProgramDao>(ProgramDao(getIt<AppDatabase>()));
   getIt.registerSingleton<AnalysisDao>(AnalysisDao(getIt<AppDatabase>()));
   getIt.registerSingleton<ChatDao>(ChatDao(getIt<AppDatabase>()));
+  getIt.registerSingleton<KnowledgeChunkDao>(
+    KnowledgeChunkDao(getIt<AppDatabase>()),
+  );
+
+  // Services
+  getIt.registerSingleton<EmbeddingService>(EmbeddingService());
 
   // Repositories
   getIt.registerLazySingleton<ExerciseRepository>(
@@ -47,4 +62,10 @@ void init() {
   getIt.registerLazySingleton<ChatRepository>(
     () => ChatRepositoryImpl(getIt<ChatDao>()),
   );
+  getIt.registerLazySingleton<NoteRepository>(
+    () => NoteRepositoryImpl(
+      getIt<KnowledgeChunkDao>(),
+      getIt<EmbeddingService>(),
+    ),
+  );
 }