所有数据库表，提供相应的provider、桥接等方法

apps/im_app/lib/app/di/sound_provider.dart

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+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:im_app/app/di/db_provider.dart';
+import 'package:im_app/data/repositories/sound_repository_impl.dart';
+import 'package:im_app/domain/entities/sound.dart';
+import 'package:im_app/domain/repositories/sound_repository.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'sound_provider.g.dart';
+
+// ── Repository ────────────────────────────────────────────────────────────────
+
+final soundRepositoryProvider = Provider<SoundRepository>((ref) {
+  return SoundRepositoryImpl(ref.watch(storageSdkProvider));
+});
+
+// ── Streams ───────────────────────────────────────────────────────────────────
+
+/// 监听所有音效
+@riverpod
+Stream<List<Sound>> allSounds(Ref ref) {
+  return ref.watch(soundRepositoryProvider).watchAll();
+}
+
+/// 监听指定类型音效
+@riverpod
+Stream<List<Sound>> soundsByType(Ref ref, int typ) {
+  return ref.watch(soundRepositoryProvider).watchByType(typ);
+}
+
+/// 监听指定音效
+@riverpod
+Stream<Sound?> soundById(Ref ref, int id) {
+  return ref.watch(soundRepositoryProvider).watchById(id);
+}