Merge branch 'dev' into happi/dev/database-update

# Conflicts: # apps/im_app/lib/data/models/user_dto.dart # apps/im_app/lib/data/remote/login_request.dart # apps/im_app/lib/features/chat/presentation/chat_db_test_view_model.dart # apps/im_app/lib/features/chat/view/chat_db_test_page.dart # apps/im_app/lib/features/login/presentation/login_view_model.dart
2026-03-09 15:08:45 +08:00
parent fe54f79b21 76e36ecc72
commit c278d1329e
163 changed files with 4341 additions and 1785 deletions
--- a/apps/im_app/lib/app/di/app_providers.dart
+++ b/apps/im_app/lib/app/di/app_providers.dart
@@ -23,11 +23,18 @@ class AuthNotifier extends ChangeNotifier {

  void login() {
    _isLoggedIn = true;
+    // TODO: 接入 cipher_guard_sdk 后，在此处完成 RSA 密钥注入：
+    // 1. 从安全存储（keychain / secure storage）读取公私钥对（只读一次）
+    // 2. cipherSdk.setActiveKeyPair(publicKey: pubPem, privateKey: privPem)
+    // 须在 notifyListeners() 之前完成，确保路由跳转后 onEncryptRequest 回调触发时密钥已就绪。
    notifyListeners();
  }

  void logout() {
    _isLoggedIn = false;
+    // TODO: 接入 cipher_guard_sdk 后，退出登录时清除内存密钥：
+    // cipherSdk.clearActiveKeyPair()
+    // cipherSdk.clearDerivedKeyCache()
    notifyListeners();
  }
 }
@@ -37,9 +44,7 @@ class AuthNotifier extends ChangeNotifier {
 /// 使用 [Provider] 持有 [AuthNotifier] 单例。
 /// go_router 通过 [GoRouter.refreshListenable] 直接监听 [AuthNotifier]（ChangeNotifier），
 /// Riverpod 侧不需要响应式更新（导航由 go_router 接管）。
-final authNotifierProvider = Provider<AuthNotifier>(
-  (ref) => AuthNotifier(),
-);
+final authNotifierProvider = Provider<AuthNotifier>((ref) => AuthNotifier());

 // ── 主题 ──────────────────────────────────────────────────────────────────────

--- a/apps/im_app/lib/app/di/network_provider.dart
+++ b/apps/im_app/lib/app/di/network_provider.dart
@@ -6,6 +6,8 @@ import 'package:networks_sdk/networks_sdk.dart';
 import '../../core/foundation/api_paths.dart';
 import '../../core/foundation/config.dart';
 import '../../core/foundation/constants.dart';
+import '../../core/foundation/errors.dart';
+import '../../core/foundation/utils.dart';
 import '../../core/services/network_monitor.dart';
 import '../../core/services/socket_manager.dart';

@@ -47,6 +49,21 @@ final networkMonitorProvider = Provider<NetworkMonitor>((ref) {
  return monitor;
 });

+// ── Token 更新事件流 ─────────────────────────────────────────────────────────
+
+/// Token 更新事件流
+///
+/// apiConfigProvider.onTokenUpdated → 推送新 token 到此流
+/// socketManagerProvider → 监听此流 → 同步 token 到 WebSocket
+/// onBeforeReconnect 中刷新 token 后调用 apiConfig.updateToken → tokenStream.add，
+/// 需要同步传播到 socketManager.updateToken → socketClient._currentToken，
+/// 确保随后的 _doConnect() 使用新 token。异步模式下 _doConnect 会在 stream
+final _tokenUpdateStreamProvider = Provider<StreamController<String>>((ref) {
+  final controller = StreamController<String>.broadcast(sync: true);
+  ref.onDispose(controller.close);
+  return controller;
+});
+
 // ── HTTP 基础设施 ─────────────────────────────────────────────────────────────

 /// API 配置 Provider（全局单例）
@@ -58,15 +75,18 @@ final networkMonitorProvider = Provider<NetworkMonitor>((ref) {
 /// 请求前先判断网络状态，无网络时直接抛 [ApiError.noNetworkConnection]。
 final apiConfigProvider = Provider<ApiConfig>((ref) {
  final networkMonitor = ref.read(networkMonitorProvider);
+  final tokenStream = ref.read(_tokenUpdateStreamProvider);

  return ApiConfig(
    baseURL: AppConfig.apiBaseUrl,
    platformHeaders: {
-      'Platform': 'Android', // TODO: 运行时从平台 API 获取
+      'Platform': 'Android', // TODO: 运行时从 platform API 获取
      'client-version': '1.0.0', // TODO: 运行时从 package_info 获取
+      'Channel': '', // TODO: 从 AppConfig 读取渠道标识
+      'lang': 'zh-CN', // TODO: 从 l10n_sdk 或系统 locale 动态获取
    },
-    tokenExpiredCodes: {30002, 30003, 30124},
-    forceLogoutCodes: {30125},
+    tokenExpiredCodes: ApiErrorCodes.tokenExpiredCodes,
+    forceLogoutCodes: ApiErrorCodes.forceLogoutCodes,
    onForceLogout: () {
      // TODO: 清除登录态，跳转登录页
    },
@@ -74,7 +94,33 @@ final apiConfigProvider = Provider<ApiConfig>((ref) {
      // TODO: App 层刷新 token 逻辑
      return null;
    },
+    onTokenUpdated: (newToken) {
+      // 通过事件流同步到 WebSocket，避免直接引用 socketManagerProvider 造成循环依赖
+      tokenStream.add(newToken);
+    },
    onCheckNetworkAvailable: () async => networkMonitor.isConnected,
+    // TODO: 接入 cipher_guard_sdk 后注入请求加密回调。
+    // 前提：AuthNotifier.login() 中已完成 cipherSdk.setActiveKeyPair(pub, priv)。
+    // 示例：
+    //   onEncryptRequest: (path, headers, body) async {
+    //     final encryptedKey = await cipherSdk.encryptSessionKeyWithActiveKey(
+    //       sessionKey: currentSessionKey,
+    //     );
+    //     return EncryptedRequest(body: encryptedBody, headers: {'X-Key': encryptedKey});
+    //   },
+    onEncryptRequest: null,
+    // TODO: 接入 cipher_guard_sdk 后注入响应解密回调。
+    // 前提：与 onEncryptRequest 配套，服务端响应同样加密时启用。
+    // 示例：
+    //   onDecryptResponse: (data) async {
+    //     final plaintext = await cipherSdk.decryptMessage(encryptedData: data as String, ...);
+    //     return jsonDecode(plaintext) as Map<String, dynamic>;
+    //   },
+    onDecryptResponse: null,
+    onBusinessError: null, // TODO: 接入业务错误统一处理（弹窗 / Toast / 跳转等）
+    onTransformResponse:
+        null, // TODO: 如后端响应格式非标准，在此归一化为 { code, data, message }
+    onGetTokenExpiry: parseJwtExpiry,
    maxRetries: AppConstants.maxRetries,
    retryBaseDelay: AppConstants.retryBaseDelay,
    onLog: (message, {tag}) {
@@ -94,16 +140,47 @@ final networkSdkApiProvider = Provider<NetworksSdkApi>((ref) {

 // ── WebSocket 基础设施 ────────────────────────────────────────────────────────

-/// SocketConfig Provider（全局单例）
+/// SocketConfig Provider（内部使用，不对外暴露）
 ///
 /// 与 apiConfigProvider 对称，通过回调注入 App 层能力，
 /// SDK 内部不调用其他 SDK。
-final socketConfigProvider = Provider<SocketConfig>((ref) {
+final _socketConfigProvider = Provider<SocketConfig>((ref) {
  final networkMonitor = ref.read(networkMonitorProvider);

  return SocketConfig(
    maxReconnectAttempts: AppConstants.maxRetries,
    maxReconnectDelay: AppConstants.maxReconnectDelay,
+    unlimitedReconnect: true, // IM 场景始终保持连接
+    onBuildConnectUrl:
+        null, // TODO: 接入 cipher_guard_sdk 后注入 WS URL 加密（路径/token/cipher 参数）
+    onEncryptMessage: null, // TODO: 接入 cipher_guard_sdk 后注入消息加密回调
+    onDecryptMessage: null, // TODO: 接入 cipher_guard_sdk 后注入消息解密回调
+    onBeforeReconnect: () async {
+      // SocketClient 内部重连（心跳超时、stream onDone）前调用。
+      // 与 SocketManager.onBeforeReconnect 职责相同：检查 token 并按需刷新。
+      // 刷新后通过 sync stream 同步传播到 SocketClient._currentToken，
+      // 确保随后的 _doConnect() 使用新 token。
+      final apiConfig = ref.read(apiConfigProvider);
+      final currentToken = apiConfig.token;
+      if (currentToken == null || apiConfig.onGetTokenExpiry == null) return;
+
+      final expiry = apiConfig.onGetTokenExpiry!(currentToken);
+      if (expiry == null) return;
+
+      final remaining = expiry.difference(DateTime.now());
+      if (remaining > apiConfig.proactiveRefreshThreshold) return;
+
+      // ignore: avoid_print
+      print(
+        '[Socket] Token expiring in ${remaining.inMinutes}min, refreshing before reconnect',
+      );
+      final newToken = await apiConfig.onTokenRefresh?.call();
+      if (newToken != null && newToken.isNotEmpty) {
+        // updateToken → onTokenUpdated → sync stream → manager.updateToken
+        // → _client.updateToken → socketClient._currentToken 同步更新
+        apiConfig.updateToken(newToken);
+      }
+    },
    onLog: (message, {tag}) {
      // ignore: avoid_print
      print('[${tag ?? 'Socket'}] $message');
@@ -114,12 +191,11 @@ final socketConfigProvider = Provider<SocketConfig>((ref) {
  );
 });

-/// SocketClient Provider（全局单例）
+/// SocketClient Provider（内部使用，不对外暴露）
 ///
-/// 与 apiClientProvider 对称。
-final socketClientProvider = Provider<NetworksMessagingApi>((ref)
-{
-  final config = ref.read(socketConfigProvider);
+/// 与 networkSdkApiProvider 对称。
+final _socketClientProvider = Provider<NetworksMessagingApi>((ref) {
+  final config = ref.read(_socketConfigProvider);
  return NetworksMessagingApi()..initialize(config);
 });

@@ -139,17 +215,44 @@ final socketClientProvider = Provider<NetworksMessagingApi>((ref)
 /// 网络状态变化由 [networkMonitorProvider]（公共服务）驱动，
 /// 自动触发断连/重连。
 ///
+/// Token 更新由 [_tokenUpdateStreamProvider] 事件流驱动，
+/// HTTP 层刷新 token 后自动同步到 WebSocket。
+///
 /// onMessageTransform 参考 HTTP 层 onTokenRefresh 的回调模式：
 /// 后续接入加解密 SDK 时，在此注入解密回调，
 /// SDK 内部不调用其他 SDK。
 final socketManagerProvider = Provider<SocketManager>((ref) {
-  final client = ref.read(socketClientProvider);
+  final client = ref.read(_socketClientProvider);
  final networkMonitor = ref.read(networkMonitorProvider);
+  final apiConfig = ref.read(apiConfigProvider);
+  final tokenStream = ref.read(_tokenUpdateStreamProvider);

  final manager = SocketManager(
    client: client,
    wsUrl: _buildWsUrl(AppConfig.apiBaseUrl),
+    disconnectInBackground: false, // 所有平台后台保活，心跳不停、连接不断
    onMessageTransform: null, // TODO: 接入加解密 SDK 后注入解密回调
+    onBeforeReconnect: () async {
+      // 重连前检查 token 是否即将过期，是则主动刷新
+      final currentToken = apiConfig.token;
+      if (currentToken == null || apiConfig.onGetTokenExpiry == null) return;
+
+      final expiry = apiConfig.onGetTokenExpiry!(currentToken);
+      if (expiry == null) return;
+
+      final remaining = expiry.difference(DateTime.now());
+      if (remaining > apiConfig.proactiveRefreshThreshold) return;
+
+      // ignore: avoid_print
+      print(
+        '[SocketManager] Token expiring in ${remaining.inMinutes}min, refreshing before reconnect',
+      );
+      final newToken = await apiConfig.onTokenRefresh?.call();
+      if (newToken != null && newToken.isNotEmpty) {
+        // updateToken 触发 onTokenUpdated → tokenStream → socketManager.updateToken
+        apiConfig.updateToken(newToken);
+      }
+    },
    onCheckNetworkAvailable: () async => networkMonitor.isConnected,
    onLog: (message, {tag}) {
      // ignore: avoid_print
@@ -157,13 +260,19 @@ final socketManagerProvider = Provider<SocketManager>((ref) {
    },
  );

+  // 监听 token 更新事件 → 同步到 WebSocket
+  final tokenSub = tokenStream.stream.listen((newToken) {
+    manager.updateToken(newToken);
+  });
+
  // 监听网络状态变化 → 驱动 SocketManager 断连/重连
-  final subscription = networkMonitor.onStatusChanged.listen((isAvailable) {
+  final networkSub = networkMonitor.onStatusChanged.listen((isAvailable) {
    manager.handleNetworkStatusChanged(isAvailable: isAvailable);
  });

  ref.onDispose(() {
-    subscription.cancel();
+    tokenSub.cancel();
+    networkSub.cancel();
    unawaited(manager.dispose());
  });

@@ -215,23 +324,57 @@ String _buildWsUrl(String httpBaseUrl) {
 //  Provider 链路：
 //
 //    networkMonitorProvider（公共服务，HTTP + WS 共用）
-//      ├── apiConfigProvider → apiClientProvider         ← HTTP 层
-//      └── socketConfigProvider → socketClientProvider   ← WS 层
+//      ├── apiConfigProvider → networkSdkApiProvider      ← HTTP 层
+//      └── _socketConfigProvider → _socketClientProvider   ← WS 层（内部）
 //            → socketManagerProvider
 //
+//    _tokenUpdateStreamProvider（打破循环引用的中间层）
+//      ← apiConfigProvider.onTokenUpdated 推送
+//      → socketManagerProvider 监听 → socketManager.updateToken()
+//
 //  网络事件驱动链路：
 //
 //    connectivity_plus（平台网络事件）
 //      → NetworkMonitor.onStatusChanged（true / false）
 //        → SocketManager.handleNetworkStatusChanged()
 //          → 断网: disconnect()
-//          → 恢复: connect(token: lastToken)
+//          → 恢复: onBeforeReconnect → connect(token: lastToken)
 //
 //  前后台事件驱动链路：
 //
 //    WidgetsBindingObserver（App 层 app.dart）
-//      → SocketManager.onEnterBackground() → disconnect
-//      → SocketManager.onEnterForeground() → reconnect
+//      → SocketManager.onEnterBackground()
+//          disconnectInBackground=false → 完全保活，心跳不停（本项目默认）
+//          disconnectInBackground=true  → disconnect + 暂停心跳（省电模式）
+//      → SocketManager.onEnterForeground()
+//          保活模式 → 检查连接健康，异常则重连
+//          断连模式 → onBeforeReconnect → reconnect
+//
+//  Token 刷新 → WebSocket 同步链路：
+//
+//    RetryInterceptor 检测 token 过期
+//      → TokenRefreshManager.refreshIfNeeded()
+//      → apiConfig.updateToken(newToken)
+//      → onTokenUpdated(newToken)
+//      → _tokenUpdateStream.add(newToken)
+//      → socketManager.updateToken(newToken)  // 不断连，下次重连自动用新 token
+//
+//  主动 token 刷新（重连前，两个层级）：
+//
+//    SocketManager 层（前台恢复 / 网络恢复触发）：
+//      SocketManager.onBeforeReconnect()
+//        → 解析 JWT exp → 距过期 < 阈值
+//        → apiConfig.onTokenRefresh() → 刷新
+//        → apiConfig.updateToken(newToken)
+//        → sync stream → manager.updateToken → _lastToken 更新
+//        → _client.connect(token: _lastToken) 使用新 token
+//
+//    SocketClient 层（心跳超时 / stream onDone 触发）：
+//      SocketConfig.onBeforeReconnect()
+//        → 同上逻辑：检查 JWT exp → 刷新 → apiConfig.updateToken
+//        → sync stream → manager.updateToken → _client.updateToken
+//        → socketClient._currentToken 同步更新
+//        → _doConnect() 使用新 token
 //
 //  Repository 直接注入 ApiClient，通过回调注入其他 SDK 能力：
 //
@@ -313,7 +456,7 @@ String _buildWsUrl(String httpBaseUrl) {
 //   final authRepositoryProvider = Provider((ref) {
 //     final apiConfig = ref.read(apiConfigProvider);
 //     return AuthRepositoryImpl(
-//       client: ref.read(apiClientProvider),       // 直接注入
+//       client: ref.read(networkSdkApiProvider),    // 注入 Facade 接口
 //       onTokenUpdate: (token) {
 //         apiConfig.updateToken(token);             // 内存（network_sdk）
 //         // secureStorage.saveToken(token);        // 持久化（crypto_sdk）
@@ -400,5 +543,5 @@ String _buildWsUrl(String httpBaseUrl) {
 //  Upload B: 二进制上传到 S3 presigned URL
 //    @override String get path => presignedURL;    // 完整 URL，不拼 baseURL
 //    @override Object? get uploadData => bytes;    // Uint8List
-//    @override decodeResponse(response) { ... }    // S3 不走标准信封
+//    @override decodeResponse(response) { ... }    // S3 不走标准响应格式
 //
--- a/apps/im_app/lib/core/foundation/errors.dart
+++ b/apps/im_app/lib/core/foundation/errors.dart
@@ -0,0 +1,57 @@
+/// API 错误码常量
+///
+/// 集中管理后端业务错误码，避免散落在各处硬编码。
+/// 按业务域分组，命名风格对齐后端定义。
+///
+/// 使用方式：
+/// ```dart
+/// ApiConfig(
+///   tokenExpiredCodes: ApiErrorCodes.tokenExpiredCodes,
+///   forceLogoutCodes: ApiErrorCodes.forceLogoutCodes,
+/// )
+/// ```
+class ApiErrorCodes {
+  ApiErrorCodes._();
+
+  // ── 认证（30001-30009）──
+
+  /// Token 无效
+  static const int tokenInvalid = 30002;
+
+  /// JWT 无效
+  static const int jwtInvalid = 30003;
+
+  /// 签名方法错误
+  static const int signingMethodError = 30008;
+
+  /// 密钥解析失败
+  static const int parsingKeyError = 30009;
+
+  /// Session 无效
+  static const int sessionInvalid = 30124;
+
+  /// Refresh Token 失效
+  static const int refreshTokenFailed = 30125;
+
+  /// 账号在其他设备登录
+  static const int loggedInAnotherDevice = 30006;
+
+  // ── 错误码集合 ──
+
+  /// Token 过期错误码集合 — 触发自动刷新 Token
+  static const Set<int> tokenExpiredCodes = {
+    tokenInvalid,
+    jwtInvalid,
+    sessionInvalid,
+  };
+
+  /// 强制登出错误码集合 — 触发退出登录流程
+  static const Set<int> forceLogoutCodes = {refreshTokenFailed};
+
+  /// 踢下线错误码集合 — 触发踢下线 UI 提示
+  static const Set<int> kickOffCodes = {
+    loggedInAnotherDevice,
+    signingMethodError,
+    parsingKeyError,
+  };
+}
--- a/apps/im_app/lib/core/foundation/utils.dart
+++ b/apps/im_app/lib/core/foundation/utils.dart
@@ -0,0 +1,32 @@
+import 'package:dart_jsonwebtoken/dart_jsonwebtoken.dart';
+
+/// JWT token 过期时间解析
+///
+/// 使用 dart_jsonwebtoken 解码 JWT payload，提取 `exp` claim 返回过期时间。
+/// 返回 null 表示无法解析（非 JWT 格式或缺少 exp 字段）。
+///
+/// 只读取 payload，不验证签名（验证是服务端的事）。
+///
+/// 用于 [ApiConfig.onGetTokenExpiry] 回调，启用 token 主动刷新：
+/// 距过期不足阈值时提前刷新，避免带过期 token 发请求或重连。
+///
+/// ```dart
+/// final expiry = parseJwtExpiry('eyJhbGci...');
+/// if (expiry != null) {
+///   final remaining = expiry.difference(DateTime.now());
+///   print('Token expires in ${remaining.inMinutes} min');
+/// }
+/// ```
+DateTime? parseJwtExpiry(String token) {
+  try {
+    final jwt = JWT.decode(token);
+    final payload = jwt.payload;
+    if (payload is! Map<String, dynamic>) return null;
+
+    final exp = payload['exp'];
+    if (exp is! int) return null;
+    return DateTime.fromMillisecondsSinceEpoch(exp * 1000);
+  } catch (_) {
+    return null;
+  }
+}
--- a/apps/im_app/lib/core/services/socket_manager.dart
+++ b/apps/im_app/lib/core/services/socket_manager.dart
@@ -1,6 +1,5 @@
 import 'dart:async';

-
 import 'package:networks_sdk/networks_sdk.dart';

 import 'network_backoff_debouncer.dart';
@@ -10,15 +9,14 @@ import 'network_backoff_debouncer.dart';
 /// 参考 HTTP 层 onTokenRefresh 的回调注入模式。
 /// App 层在 Provider 装配时注入解密/解析逻辑，
 /// 不在 SDK 内部调用加解密 SDK。
-typedef MessageTransformer = Map<String, dynamic> Function(
-  Map<String, dynamic> raw,
-);
+typedef MessageTransformer =
+    Map<String, dynamic> Function(Map<String, dynamic> raw);

 /// WebSocket 连接管理
 ///
 /// 在 SocketClient（SDK 底层能力）之上封装：
 /// - 连接/断连生命周期（登录连接、登出断连）
-/// - 前后台生命周期（后台断连省电、前台自动重连）
+/// - 前后台生命周期（两种模式：后台断连 / 后台保活）
 /// - 网络状态响应（断网断连、恢复网络立即重连）
 /// - 操作前置检查（网络可用性 + 后台状态）
 /// - 消息预处理管道（通过 [onMessageTransform] 回调注入解密等）
@@ -39,19 +37,26 @@ typedef MessageTransformer = Map<String, dynamic> Function(
 ///
 /// ```
 /// 登录成功 → connect(token) → 前置检查 → 建立连接
-/// App 进后台 → onEnterBackground() → 断开连接（省电）
-/// App 回前台 → onEnterForeground() → 检查网络 → 自动重连
+///
+/// ── disconnectInBackground = true（后台断连模式）──
+/// App 进后台 → onEnterBackground() → 暂停心跳 + 断开连接（省电）
+/// App 回前台 → onEnterForeground() → 恢复心跳 → onBeforeReconnect → 重连
+///
+/// ── disconnectInBackground = false（后台保活模式，本项目默认）──
+/// App 进后台 → onEnterBackground() → 不操作，心跳不停、连接不断
+/// App 回前台 → onEnterForeground() → 检查连接健康，异常则重连
+///
 /// 网络丢失 → handleNetworkLost() → 断开连接
-/// 网络恢复 → handleNetworkRestored() → 退避重连（防抖动）
+/// 网络恢复 → handleNetworkRestored() → 退避 → onBeforeReconnect → 重连
 /// 登出 → disconnect() → 断开连接，清除 token
 /// ```
 ///
 /// ## 前置检查策略
 ///
 /// 所有会发起网络操作的方法都先检查前置条件：
-/// - connect → 检查网络可用性 + 是否在后台
-/// - send / sendString → 检查连接状态 + 是否在后台
-/// - onEnterForeground 重连 → 检查网络可用性
+/// - connect → 检查网络可用性 + 是否在后台（仅 disconnectInBackground=true 时拦截）
+/// - send / sendString → 检查连接状态 + 是否在后台（仅 disconnectInBackground=true 时拦截）
+/// - onEnterForeground / 网络恢复重连 → 检查网络可用性 + onBeforeReconnect
 class SocketManager {
  final NetworksMessagingApi _client;
  final String _wsUrl;
@@ -70,6 +75,22 @@ class SocketManager {
  /// 连接和重连前调用，无网络时跳过操作并标记恢复时重试。
  final Future<bool> Function()? onCheckNetworkAvailable;

+  /// 重连前回调
+  ///
+  /// 在 WebSocket 重连前调用（前台恢复、网络恢复），App 层用于：
+  /// - 检查并刷新即将过期的 token
+  /// - 更新连接参数
+  ///
+  /// 回调完成后才发起实际重连。
+  final Future<void> Function()? onBeforeReconnect;
+
+  /// 进后台时是否断开连接
+  ///
+  /// true（SDK 默认）— 后台断连省电，由 push 通知兜底，前台恢复时自动重连。
+  /// false（本项目使用）— 后台保持连接，心跳不停、请求不停，最大程度保活。
+  ///   回前台时检查连接健康，异常则触发重连。
+  final bool disconnectInBackground;
+
  /// 日志回调
  final void Function(String message, {String? tag})? onLog;

@@ -104,10 +125,12 @@ class SocketManager {
    required NetworksMessagingApi client,
    required String wsUrl,
    this.onMessageTransform,
+    this.onBeforeReconnect,
+    this.disconnectInBackground = true,
    this.onCheckNetworkAvailable,
    this.onLog,
-  })  : _client = client,
-        _wsUrl = wsUrl;
+  }) : _client = client,
+       _wsUrl = wsUrl;

  // ── 连接 ──────────────────────────────────────────────────────────────────

@@ -124,8 +147,8 @@ class SocketManager {
    _reconnectOnForeground = false;
    _reconnectOnNetworkRestore = false;

-    // 前置检查：在后台不连接（省电）
-    if (_isInBackground) {
+    // 前置检查：后台断连模式下在后台不连接（省电）
+    if (_isInBackground && disconnectInBackground) {
      _reconnectOnForeground = true;
      _log('In background, defer connect to foreground');
      return false;
@@ -165,26 +188,47 @@ class SocketManager {
  /// 当前是否在后台
  bool get isInBackground => _isInBackground;

+  /// Token 热更新
+  ///
+  /// 透传给 SocketClient，仅更新内部 token，不断开连接。
+  /// 适用于 HTTP 层 token 刷新后同步到 WebSocket 的场景。
+  void updateToken(String token) {
+    _lastToken = token;
+    _client.updateToken(token);
+    _log('Token updated via SocketManager');
+  }
+
  // ── 前后台生命周期 ────────────────────────────────────────────────────────
  //
-  //   后台 → 断连（省电省流量）
-  //   前台 → 自动重连（如果之前有连接）
+  //   后台 → 保活（心跳不停、连接不断）或断连（省电模式）
+  //   前台 → 检查连接健康 / 自动重连

-  /// App 进后台 → 断开连接，标记前台恢复时重连
+  /// App 进后台
  ///
  /// 由 App 层 WidgetsBindingObserver 在 [AppLifecycleState.paused] 时调用。
-  /// 后台保持连接会消耗电量和流量，断开后由 push 通知兜底。
+  ///
+  /// [disconnectInBackground] 为 false 时（后台保活，本项目默认）：
+  /// 不断连、不暂停心跳，WebSocket 完全保活。
+  ///
+  /// [disconnectInBackground] 为 true 时（后台断连模式）：
+  /// 断开连接 + 暂停心跳，由 push 通知兜底，前台恢复时自动重连。
  void onEnterBackground() {
    _isInBackground = true;
    // 取消待执行的前台重连（防止快速 前台→后台 切换导致后台建连）
    _foregroundReconnectTimer?.cancel();
    _foregroundReconnectTimer = null;
-    // 同步 SocketClient 内部状态（与 onEnterForeground 对称）
+
+    if (!disconnectInBackground) {
+      // 后台保活模式：不断连、不暂停心跳，不通知 SocketClient
+      _log('Entering background, keeping connection alive');
+      return;
+    }
+
+    // 后台断连模式：通知 SocketClient 进后台（暂停心跳）
    _client.onEnterBackground();

    if (_lastToken == null) return; // 未登录，无需处理

-    // 与 _handleNetworkLost 保持一致：
    // 不仅 connected，connecting / reconnecting 也要断开，
    // 防止 SocketClient 在后台继续尝试连接浪费电量和流量。
    if (_client.isConnected ||
@@ -196,41 +240,76 @@ class SocketManager {
    }
  }

-  /// App 回前台 → 自动重连（如果之前后台断连）
+  /// App 回前台
  ///
  /// 由 App 层 WidgetsBindingObserver 在 [AppLifecycleState.resumed] 时调用。
-  /// 重连前检查网络可用性，无网络时延迟到网络恢复事件再连。
+  ///
+  /// 后台保活模式（disconnectInBackground=false）：
+  ///   检查连接健康，如果后台期间连接意外断开则自动重连。
+  ///
+  /// 后台断连模式（disconnectInBackground=true）：
+  ///   通知 SocketClient 恢复心跳，然后重新建立连接。
  void onEnterForeground() {
    _isInBackground = false;
-    _client.onEnterForeground();
+
+    if (disconnectInBackground) {
+      // 后台断连模式：通知 SocketClient 恢复心跳
+      _client.onEnterForeground();
+    }
+
+    if (!disconnectInBackground && _lastToken != null) {
+      // 后台保活模式：检查连接健康
+      // 虽然后台期间心跳不停，但连接仍可能因网络切换、服务端关闭等原因断开。
+      // SocketClient 的自动重连在后台也会工作（_isBackground=false），
+      // 但回前台时兜底检查一次，确保连接可用。
+      if (!_client.isConnected) {
+        _log('Returning to foreground, connection lost, reconnecting...');
+        _scheduleReconnect();
+      } else {
+        _log('Returning to foreground, connection healthy');
+      }
+      return;
+    }

    if (_reconnectOnForeground && _lastToken != null) {
+      // 后台断连模式：之前后台断连过，需要重连
      _reconnectOnForeground = false;
      _log('Returning to foreground, reconnecting...');
-      // 延迟 500ms 等待网络稳定，通过 Timer 跟踪以便进后台时取消
-      _foregroundReconnectTimer?.cancel();
-      _foregroundReconnectTimer = Timer(
-        const Duration(milliseconds: 500),
-        () async {
-          _foregroundReconnectTimer = null;
-          // 双重保险：回调执行时再次检查后台状态
-          if (_isInBackground) {
-            _reconnectOnForeground = true;
-            _log('Went back to background during delay, skip reconnect');
+      _scheduleReconnect();
+    }
+  }
+
+  /// 延迟 500ms 后执行重连
+  ///
+  /// 等待网络稳定，通过 Timer 跟踪以便进后台时取消。
+  void _scheduleReconnect() {
+    _foregroundReconnectTimer?.cancel();
+    _foregroundReconnectTimer = Timer(
+      const Duration(milliseconds: 500),
+      () async {
+        _foregroundReconnectTimer = null;
+        // 双重保险：回调执行时再次检查后台状态
+        if (_isInBackground) {
+          _reconnectOnForeground = true;
+          _log('Went back to background during delay, skip reconnect');
+          return;
+        }
+        if (!_client.isConnected && _lastToken != null) {
+          // 前置检查：网络可用性
+          if (!await _isNetworkAvailable()) {
+            _reconnectOnNetworkRestore = true;
+            _log('Network unavailable, defer reconnect to network restore');
            return;
          }
-          if (!_client.isConnected && _lastToken != null) {
-            // 前置检查：网络可用性
-            if (!await _isNetworkAvailable()) {
-              _reconnectOnNetworkRestore = true;
-              _log('Network unavailable, defer reconnect to network restore');
-              return;
-            }
+          // 重连前钩子：刷新即将过期的 token 等
+          await onBeforeReconnect?.call();
+          // token 可能被 onBeforeReconnect 更新（通过 updateToken 链路同步）
+          if (_lastToken != null && !_client.isConnected) {
            _client.connect(_wsUrl, token: _lastToken!);
          }
-        },
-      );
-    }
+        }
+      },
+    );
  }

  // ── 网络状态变化 ──────────────────────────────────────────────────────────
@@ -275,18 +354,22 @@ class SocketManager {
    if (_reconnectOnNetworkRestore && _lastToken != null) {
      _reconnectOnNetworkRestore = false;

-      // 在后台不重连，等前台恢复时再连
-      if (_isInBackground) {
+      // 后台断连模式：在后台不重连，等前台恢复时再连
+      if (_isInBackground && disconnectInBackground) {
        _reconnectOnForeground = true;
        _log('Network restored but in background, defer to foreground');
        return;
      }

      _log('Network restored, scheduling reconnect with backoff');
-      _networkDebouncer.call(() {
+      _networkDebouncer.call(() async {
        if (!_client.isConnected && _lastToken != null && !_isInBackground) {
-          _log('Backoff timer fired, reconnecting');
-          _client.connect(_wsUrl, token: _lastToken!);
+          // 重连前钩子：刷新即将过期的 token 等
+          await onBeforeReconnect?.call();
+          if (!_client.isConnected && _lastToken != null && !_isInBackground) {
+            _log('Backoff timer fired, reconnecting');
+            _client.connect(_wsUrl, token: _lastToken!);
+          }
        }
      });
    }
@@ -308,6 +391,9 @@ class SocketManager {
  /// 原始消息流（不经预处理，调试用）
  Stream<String> get rawMessageStream => _client.rawMessageStream;

+  /// 二进制消息流
+  Stream<dynamic> get binaryMessageStream => _client.binaryMessageStream;
+
  /// 连接状态变化流
  Stream<SocketConnectionState> get connectionStateStream =>
      _client.connectionStateStream;
@@ -333,6 +419,14 @@ class SocketManager {
    return _client.sendString(message);
  }

+  /// 发送二进制数据
+  ///
+  /// 前置检查：未连接或在后台时不发送。
+  Future<bool> sendBytes(List<int> bytes) {
+    if (!_canSend()) return Future.value(false);
+    return _client.sendBytes(bytes);
+  }
+
  // ── 释放 ──────────────────────────────────────────────────────────────────

  /// 释放所有资源
@@ -347,7 +441,10 @@ class SocketManager {

  /// 发送前置检查
  ///
-  /// 两重保险：连接状态 + 后台状态。
+  /// 后台保活模式（disconnectInBackground=false）：只检查连接状态，
+  /// 后台也能正常发送。
+  ///
+  /// 后台断连模式（disconnectInBackground=true）：额外检查后台状态，
  /// 后台已断连所以 isConnected 通常就能拦住，
  /// 但显式检查 _isInBackground 防止边界情况遗漏。
  bool _canSend() {
@@ -355,8 +452,8 @@ class SocketManager {
      _log('Not connected, cannot send');
      return false;
    }
-    if (_isInBackground) {
-      _log('In background, skip send');
+    if (_isInBackground && disconnectInBackground) {
+      _log('In background (disconnect mode), skip send');
      return false;
    }
    return true;
--- a/apps/im_app/lib/core/ui/base/assets.dart
+++ b/apps/im_app/lib/core/ui/base/assets.dart
@@ -0,0 +1,30 @@
+/// 静态资源路径常量，统一维护，避免路径字符串散落在业务代码中。
+///
+/// 所有路径须与 pubspec.yaml 的 flutter.assets 声明保持一致。
+/// 新增资源：① 文件放入 assets/ ② pubspec.yaml 声明 ③ 此处加常量。
+///
+/// 渲染逻辑（缓存、占位、错误态）由 core/ui/components/ 下的组件负责，不在此处封装。
+///
+/// ## 使用
+/// ```dart
+/// Image.asset(AppAssets.logo)
+/// Image.asset(AppAssets.logo, width: 80, fit: BoxFit.cover)
+/// ```
+abstract final class AppAssets {
+  AppAssets._();
+
+  // ── 品牌 ──────────────────────────────────────────────────
+  static const logo = 'assets/images/logo.png';
+  static const logoLight = 'assets/images/logo_light.png';
+
+  // ── 占位图 ────────────────────────────────────────────────
+  static const avatarPlaceholder = 'assets/images/avatar_placeholder.png';
+
+  // ── 空状态插图（SVG，引入 flutter_svg 后启用） ─────────────
+  // static const emptyChat        = 'assets/svg/empty_chat.svg';
+  // static const emptyContact     = 'assets/svg/empty_contact.svg';
+  // static const emptySearch      = 'assets/svg/empty_search.svg';
+
+  // ── 动画 ──────────────────────────────────────────────────
+  // static const loading          = 'assets/gif/loading.gif';
+}
--- a/apps/im_app/lib/core/ui/base/icons.dart
+++ b/apps/im_app/lib/core/ui/base/icons.dart
@@ -0,0 +1,44 @@
+import 'package:flutter/material.dart';
+
+/// 项目图标常量，统一维护，避免 Icons.xxx 散落在业务代码中。
+///
+/// 渲染逻辑（大小、颜色、点击态）由调用方负责，不在此处封装。
+///
+/// ## 使用
+/// ```dart
+/// Icon(AppIcons.send)
+/// Icon(AppIcons.send, size: 20, color: Colors.white)
+/// IconButton(icon: Icon(AppIcons.back), onPressed: ...)
+/// ```
+abstract final class AppIcons {
+  AppIcons._();
+
+  // ── 底部导航 ──────────────────────────────────────────────
+  static const chat = Icons.chat_bubble_outline_rounded;
+  static const contact = Icons.people_outline_rounded;
+  static const settings = Icons.settings_outlined;
+
+  // ── 通用操作 ──────────────────────────────────────────────
+  static const back = Icons.arrow_back_ios_new_rounded;
+  static const close = Icons.close_rounded;
+  static const more = Icons.more_horiz_rounded;
+  static const search = Icons.search_rounded;
+  static const add = Icons.add_rounded;
+
+  // ── 聊天输入区 ────────────────────────────────────────────
+  static const send = Icons.send_rounded;
+  static const attach = Icons.attach_file_rounded;
+  static const emoji = Icons.emoji_emotions_outlined;
+  static const camera = Icons.camera_alt_outlined;
+  static const voice = Icons.mic_outlined;
+
+  // ── 用户 / 联系人 ─────────────────────────────────────────
+  static const avatar = Icons.account_circle_outlined;
+  static const addUser = Icons.person_add_outlined;
+
+  // ── 状态反馈 ──────────────────────────────────────────────
+  static const success = Icons.check_circle_outline_rounded;
+  static const warning = Icons.warning_amber_rounded;
+  static const error = Icons.error_outline_rounded;
+  static const info = Icons.info_outline_rounded;
+}
--- a/apps/im_app/lib/data/local/drift/app_database.dart
+++ b/apps/im_app/lib/data/local/drift/app_database.dart
@@ -21,9 +21,30 @@ import 'package:im_app/data/local/drift/tables/chats.dart';

 part 'app_database.g.dart';

-@DriftDatabase(tables: [Favourites,Sounds,Tags,PendingFriendRequestHistories,Messages,RecentMiniApps,Retries,Groups,FavoriteMiniApps,DiscoverMiniApps,ChatCategories,ChatBots,FavouriteDetails,UserRequestHistories,Workspaces,Users,ExploreMiniApps,CallLogs,Chats]) //update mapping here
+@DriftDatabase(
+  tables: [
+    Favourites,
+    Sounds,
+    Tags,
+    PendingFriendRequestHistories,
+    Messages,
+    RecentMiniApps,
+    Retries,
+    Groups,
+    FavoriteMiniApps,
+    DiscoverMiniApps,
+    ChatCategories,
+    ChatBots,
+    FavouriteDetails,
+    UserRequestHistories,
+    Workspaces,
+    Users,
+    ExploreMiniApps,
+    CallLogs,
+    Chats,
+  ],
+) //update mapping here
 class AppDatabase extends _$AppDatabase {
-
  static Map<Type, TableInfo> getTableRegistry(GeneratedDatabase database) {
    if (database is! AppDatabase) {
      return {};
@@ -67,7 +88,9 @@ class AppDatabase extends _$AppDatabase {
        // Create any new tables that don't exist yet
        for (final table in allTables) {
          final existingTables = await m.database
-              .customSelect("SELECT name FROM sqlite_master WHERE type='table' AND name='${table.actualTableName}'")
+              .customSelect(
+                "SELECT name FROM sqlite_master WHERE type='table' AND name='${table.actualTableName}'",
+              )
              .get();

          if (existingTables.isEmpty) {
@@ -92,6 +115,4 @@ class AppDatabase extends _$AppDatabase {
      },
    );
  }
-
-
 }
--- a/apps/im_app/lib/data/local/drift/tables/call_logs.dart
+++ b/apps/im_app/lib/data/local/drift/tables/call_logs.dart
@@ -21,4 +21,4 @@ class CallLogs extends Table {

  @override
  String get tableName => 'call_log';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/chat_bots.dart
+++ b/apps/im_app/lib/data/local/drift/tables/chat_bots.dart
@@ -30,4 +30,4 @@ class ChatBots extends Table {

  @override
  String get tableName => 'chat_bot';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/chat_categories.dart
+++ b/apps/im_app/lib/data/local/drift/tables/chat_categories.dart
@@ -17,4 +17,4 @@ class ChatCategories extends Table {

  @override
  String get tableName => 'chat_category';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/chats.dart
+++ b/apps/im_app/lib/data/local/drift/tables/chats.dart
@@ -42,7 +42,8 @@ class Chats extends Table {
  IntColumn get outgoingIdx => integer().withDefault(const Constant(0))();
  IntColumn get incomingSoundId => integer().withDefault(const Constant(0))();
  IntColumn get outgoingSoundId => integer().withDefault(const Constant(0))();
-  IntColumn get notificationSoundId => integer().withDefault(const Constant(0))();
+  IntColumn get notificationSoundId =>
+      integer().withDefault(const Constant(0))();
  TextColumn get chatKey => text().withDefault(const Constant(''))();
  TextColumn get activeChatKey => text().withDefault(const Constant(''))();
  IntColumn get coverIdx => integer().withDefault(const Constant(0))();
@@ -55,4 +56,4 @@ class Chats extends Table {

  @override
  String get tableName => 'chat';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/discover_mini_apps.dart
+++ b/apps/im_app/lib/data/local/drift/tables/discover_mini_apps.dart
@@ -33,4 +33,4 @@ class DiscoverMiniApps extends Table {

  @override
  String get tableName => 'discover_mini_app';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/explore_mini_apps.dart
+++ b/apps/im_app/lib/data/local/drift/tables/explore_mini_apps.dart
@@ -33,4 +33,4 @@ class ExploreMiniApps extends Table {

  @override
  String get tableName => 'explore_mini_app';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/favorite_mini_apps.dart
+++ b/apps/im_app/lib/data/local/drift/tables/favorite_mini_apps.dart
@@ -33,4 +33,4 @@ class FavoriteMiniApps extends Table {

  @override
  String get tableName => 'favorite_mini_app';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/favourite_details.dart
+++ b/apps/im_app/lib/data/local/drift/tables/favourite_details.dart
@@ -13,4 +13,4 @@ class FavouriteDetails extends Table {

  @override
  String get tableName => 'favourite_detail';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/favourites.dart
+++ b/apps/im_app/lib/data/local/drift/tables/favourites.dart
@@ -23,4 +23,4 @@ class Favourites extends Table {

  @override
  String get tableName => 'favourite';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/groups.dart
+++ b/apps/im_app/lib/data/local/drift/tables/groups.dart
@@ -36,4 +36,4 @@ class Groups extends Table {

  @override
  String get tableName => 'chat_group';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/message.dart
+++ b/apps/im_app/lib/data/local/drift/tables/message.dart
@@ -24,4 +24,4 @@ class Messages extends Table {

  @override
  String get tableName => 'message';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/pending_friend_request_histories.dart
+++ b/apps/im_app/lib/data/local/drift/tables/pending_friend_request_histories.dart
@@ -14,4 +14,4 @@ class PendingFriendRequestHistories extends Table {

  @override
  String get tableName => 'pending_friend_request_histories';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/recent_mini_apps.dart
+++ b/apps/im_app/lib/data/local/drift/tables/recent_mini_apps.dart
@@ -33,4 +33,4 @@ class RecentMiniApps extends Table {

  @override
  String get tableName => 'recent_mini_app';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/retries.dart
+++ b/apps/im_app/lib/data/local/drift/tables/retries.dart
@@ -17,4 +17,4 @@ class Retries extends Table {

  @override
  String get tableName => 'retry';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/sounds.dart
+++ b/apps/im_app/lib/data/local/drift/tables/sounds.dart
@@ -17,4 +17,4 @@ class Sounds extends Table {

  @override
  String get tableName => 'sound';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/tags.dart
+++ b/apps/im_app/lib/data/local/drift/tables/tags.dart
@@ -12,4 +12,4 @@ class Tags extends Table {

  @override
  String get tableName => 'tags';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/user_request_histories.dart
+++ b/apps/im_app/lib/data/local/drift/tables/user_request_histories.dart
@@ -11,4 +11,4 @@ class UserRequestHistories extends Table {

  @override
  String get tableName => 'user_request_history';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/users.dart
+++ b/apps/im_app/lib/data/local/drift/tables/users.dart
@@ -28,9 +28,12 @@ class Users extends Table {
  IntColumn get addIndex => integer().nullable()();
  IntColumn get incomingSoundId => integer().withDefault(const Constant(0))();
  IntColumn get outgoingSoundId => integer().withDefault(const Constant(0))();
-  IntColumn get notificationSoundId => integer().withDefault(const Constant(0))();
-  IntColumn get sendMessageSoundId => integer().withDefault(const Constant(0))();
-  IntColumn get groupNotificationSoundId => integer().withDefault(const Constant(0))();
+  IntColumn get notificationSoundId =>
+      integer().withDefault(const Constant(0))();
+  IntColumn get sendMessageSoundId =>
+      integer().withDefault(const Constant(0))();
+  IntColumn get groupNotificationSoundId =>
+      integer().withDefault(const Constant(0))();
  TextColumn get groupTags => text().withDefault(const Constant('[]'))();
  TextColumn get friendTags => text().withDefault(const Constant('[]'))();
  TextColumn get publicKey => text().nullable()();
@@ -39,4 +42,4 @@ class Users extends Table {

  @override
  String get tableName => 'user';
-}
+}
--- a/apps/im_app/lib/data/local/drift/tables/workspaces.dart
+++ b/apps/im_app/lib/data/local/drift/tables/workspaces.dart
@@ -21,4 +21,4 @@ class Workspaces extends Table {

  @override
  String get tableName => 'workspace';
-}
+}
--- a/apps/im_app/lib/data/models/call_log_dto.dart
+++ b/apps/im_app/lib/data/models/call_log_dto.dart
@@ -119,4 +119,4 @@ class CallLogDto {
    deletedAt: Value(deletedAt),
    isRead: Value(isRead),
  );
-}
+}
--- a/apps/im_app/lib/data/models/chat_bot_dto.dart
+++ b/apps/im_app/lib/data/models/chat_bot_dto.dart
@@ -176,4 +176,4 @@ class ChatBotDto {
    isAllowForward: Value(isAllowForward),
    tips: Value(tips),
  );
-}
+}
--- a/apps/im_app/lib/data/models/chat_category_dto.dart
+++ b/apps/im_app/lib/data/models/chat_category_dto.dart
@@ -87,4 +87,4 @@ class ChatCategoryDto {
    updatedAt: Value(updatedAt),
    deletedAt: Value(deletedAt),
  );
-}
+}
--- a/apps/im_app/lib/data/models/chat_dto.dart
+++ b/apps/im_app/lib/data/models/chat_dto.dart
@@ -197,4 +197,4 @@ class Chat {
      localPermission: localPermission ?? this.localPermission,
    );
  }
-}
+}
--- a/apps/im_app/lib/data/models/discover_mini_app_dto.dart
+++ b/apps/im_app/lib/data/models/discover_mini_app_dto.dart
@@ -109,4 +109,4 @@ class DiscoverMiniApp {
      screen: screen ?? this.screen,
    );
  }
-}
+}
--- a/apps/im_app/lib/data/models/explore_mini_app_dto.dart
+++ b/apps/im_app/lib/data/models/explore_mini_app_dto.dart
@@ -143,34 +143,33 @@ class ExploreMiniAppDto {
    screen: screen,
  );

-  factory ExploreMiniAppDto.fromEntity(ExploreMiniApp app) =>
-      ExploreMiniAppDto(
-        id: app.id,
-        name: app.name,
-        openuid: app.openuid,
-        devId: app.devId,
-        icon: app.icon,
-        iconGaussian: app.iconGaussian,
-        downloadUrl: app.downloadUrl,
-        description: app.description,
-        version: app.version,
-        typ: app.typ,
-        flag: app.flag,
-        reviewStatus: app.reviewStatus,
-        favoriteAt: app.favoriteAt,
-        isActive: app.isActive,
-        createdAt: app.createdAt,
-        updatedAt: app.updatedAt,
-        deletedAt: app.deletedAt,
-        score: app.score,
-        channels: app.channels,
-        devName: app.devName,
-        pictureGaussian: app.pictureGaussian,
-        picture: app.picture,
-        commentNum: app.commentNum,
-        lastLoginAt: app.lastLoginAt,
-        screen: app.screen,
-      );
+  factory ExploreMiniAppDto.fromEntity(ExploreMiniApp app) => ExploreMiniAppDto(
+    id: app.id,
+    name: app.name,
+    openuid: app.openuid,
+    devId: app.devId,
+    icon: app.icon,
+    iconGaussian: app.iconGaussian,
+    downloadUrl: app.downloadUrl,
+    description: app.description,
+    version: app.version,
+    typ: app.typ,
+    flag: app.flag,
+    reviewStatus: app.reviewStatus,
+    favoriteAt: app.favoriteAt,
+    isActive: app.isActive,
+    createdAt: app.createdAt,
+    updatedAt: app.updatedAt,
+    deletedAt: app.deletedAt,
+    score: app.score,
+    channels: app.channels,
+    devName: app.devName,
+    pictureGaussian: app.pictureGaussian,
+    picture: app.picture,
+    commentNum: app.commentNum,
+    lastLoginAt: app.lastLoginAt,
+    screen: app.screen,
+  );

  ExploreMiniAppsCompanion toCompanion() => ExploreMiniAppsCompanion(
    id: Value(id),
@@ -199,4 +198,4 @@ class ExploreMiniAppDto {
    lastLoginAt: Value(lastLoginAt),
    screen: Value(screen),
  );
-}
+}
--- a/apps/im_app/lib/data/models/favorite_mini_app_dto.dart
+++ b/apps/im_app/lib/data/models/favorite_mini_app_dto.dart
@@ -199,4 +199,4 @@ class FavoriteMiniAppDto {
    lastLoginAt: Value(lastLoginAt),
    screen: Value(screen),
  );
-}
+}
--- a/apps/im_app/lib/data/models/favourite_detail_dto.dart
+++ b/apps/im_app/lib/data/models/favourite_detail_dto.dart
@@ -80,4 +80,4 @@ class FavouriteDetailDto {
    chatId: Value(chatId),
    sendTime: Value(sendTime),
  );
-}
+}
--- a/apps/im_app/lib/data/models/favourite_dto.dart
+++ b/apps/im_app/lib/data/models/favourite_dto.dart
@@ -127,4 +127,4 @@ class FavouriteDto {
    isUploaded: Value(isUploaded),
    urls: Value(urls),
  );
-}
+}
--- a/apps/im_app/lib/data/models/group_dto.dart
+++ b/apps/im_app/lib/data/models/group_dto.dart
@@ -218,4 +218,4 @@ class GroupDto {
    topic: Value(topic),
    rp: Value(rp),
  );
-}
+}
--- a/apps/im_app/lib/data/models/message_dto.dart
+++ b/apps/im_app/lib/data/models/message_dto.dart
@@ -134,4 +134,4 @@ class MessageDto {
    flag: Value(flag),
    cmid: Value(cmid),
  );
-}
+}
--- a/apps/im_app/lib/data/models/pending_friend_request_history_dto.dart
+++ b/apps/im_app/lib/data/models/pending_friend_request_history_dto.dart
@@ -31,33 +31,33 @@ class PendingFriendRequestHistoryDto {
      );

  Map<String, dynamic> toJson() => {
-        'id': id,
-        'uid': uid,
-        'request_time': requestTime,
-        'remarks': remarks,
-        'source': source,
-        'rs': rs,
-      };
+    'id': id,
+    'uid': uid,
+    'request_time': requestTime,
+    'remarks': remarks,
+    'source': source,
+    'rs': rs,
+  };

  PendingFriendRequestHistory toEntity() => PendingFriendRequestHistory(
-        id: id,
-        uid: uid,
-        requestTime: requestTime,
-        remarks: remarks,
-        source: source,
-        rs: rs,
-      );
+    id: id,
+    uid: uid,
+    requestTime: requestTime,
+    remarks: remarks,
+    source: source,
+    rs: rs,
+  );

  factory PendingFriendRequestHistoryDto.fromEntity(
-          PendingFriendRequestHistory history) =>
-      PendingFriendRequestHistoryDto(
-        id: history.id,
-        uid: history.uid,
-        requestTime: history.requestTime,
-        remarks: history.remarks,
-        source: history.source,
-        rs: history.rs,
-      );
+    PendingFriendRequestHistory history,
+  ) => PendingFriendRequestHistoryDto(
+    id: history.id,
+    uid: history.uid,
+    requestTime: history.requestTime,
+    remarks: history.remarks,
+    source: history.source,
+    rs: history.rs,
+  );

  PendingFriendRequestHistoriesCompanion toCompanion() =>
      PendingFriendRequestHistoriesCompanion(
@@ -68,4 +68,4 @@ class PendingFriendRequestHistoryDto {
        source: Value(source),
        rs: Value(rs),
      );
-}
+}
--- a/apps/im_app/lib/data/models/recent_mini_app_dto.dart
+++ b/apps/im_app/lib/data/models/recent_mini_app_dto.dart
@@ -198,4 +198,4 @@ class RecentMiniAppDto {
    lastLoginAt: Value(lastLoginAt),
    screen: Value(screen),
  );
-}
+}
--- a/apps/im_app/lib/data/models/retry_dto.dart
+++ b/apps/im_app/lib/data/models/retry_dto.dart
@@ -106,4 +106,4 @@ class RetryDto {
    createTime: Value(createTime),
    addIndex: Value(addIndex),
  );
-}
+}
--- a/apps/im_app/lib/data/models/sound_dto.dart
+++ b/apps/im_app/lib/data/models/sound_dto.dart
@@ -85,4 +85,4 @@ class SoundDto {
    channelGroupId: Value(channelGroupId),
    isDefault: Value(isDefault),
  );
-}
+}
--- a/apps/im_app/lib/data/models/tag_dto.dart
+++ b/apps/im_app/lib/data/models/tag_dto.dart
@@ -71,4 +71,4 @@ class TagDto {
    updatedAt: Value(updatedAt),
    addIndex: Value(addIndex),
  );
-}
+}
--- a/apps/im_app/lib/data/models/user_request_history_dto.dart
+++ b/apps/im_app/lib/data/models/user_request_history_dto.dart
@@ -8,11 +8,7 @@ class UserRequestHistoryDto {
  final int? status;
  final int? createdAt;

-  const UserRequestHistoryDto({
-    required this.id,
-    this.status,
-    this.createdAt,
-  });
+  const UserRequestHistoryDto({required this.id, this.status, this.createdAt});

  factory UserRequestHistoryDto.fromJson(Map<String, dynamic> json) =>
      UserRequestHistoryDto(
@@ -27,11 +23,8 @@ class UserRequestHistoryDto {
    'created_at': createdAt,
  };

-  UserRequestHistory toEntity() => UserRequestHistory(
-    id: id,
-    status: status,
-    createdAt: createdAt,
-  );
+  UserRequestHistory toEntity() =>
+      UserRequestHistory(id: id, status: status, createdAt: createdAt);

  factory UserRequestHistoryDto.fromEntity(UserRequestHistory history) =>
      UserRequestHistoryDto(
@@ -40,10 +33,9 @@ class UserRequestHistoryDto {
        createdAt: history.createdAt,
      );

-  UserRequestHistoriesCompanion toCompanion() =>
-      UserRequestHistoriesCompanion(
-        id: Value(id),
-        status: Value(status),
-        createdAt: Value(createdAt),
-      );
-}
+  UserRequestHistoriesCompanion toCompanion() => UserRequestHistoriesCompanion(
+    id: Value(id),
+    status: Value(status),
+    createdAt: Value(createdAt),
+  );
+}
--- a/apps/im_app/lib/data/models/workspace_dto.dart
+++ b/apps/im_app/lib/data/models/workspace_dto.dart
@@ -113,4 +113,4 @@ class WorkspaceDto {
    deletedAt: Value(deletedAt),
    channelGroupId: Value(channelGroupId),
  );
-}
+}
--- a/apps/im_app/lib/data/remote/get_profile_request.dart
+++ b/apps/im_app/lib/data/remote/get_profile_request.dart
@@ -6,28 +6,30 @@ import '../../../domain/entities/user.dart';

 part 'get_profile_request.g.dart';

-/// # /user/profile — 获取用户资料（GET 请求示例）
+/// # /user/profile — 获取用户资料（GET 请求）
 ///
-/// 演示：GET 请求 + 无 body 参数的模式。
-/// GET 请求的 toJson() 结果会自动作为 URL query parameters 发送。
+/// GET 请求无 body，`toJson()` 结果自动作为 URL query parameters 发送。
+/// 如需 query 参数（如分页），直接在类中添加字段，生成器自动序列化。
 ///
 /// ## 数据流位置
 ///
 /// ```
 /// UserRepositoryImpl.getProfile()
-///   → _client.executeRequest( ★ GetProfileRequest ★ )     ← 你在这里
+///   → _client.executeRequest( ★ GetProfileRequest ★ )    ← 你在这里
 ///     → 服务端 GET /user/profile
-///     → 响应 JSON → ★ ProfileData ★                       ← 也在这里
-///       → ProfileData.toEntity() → User
+///     → SDK 内部 ApiResponseWrapper 拆包 { code, message, data }
+///       → ★ ProfileResponse ★ = data 字段                 ← 也在这里
+///         → ProfileResponse.toEntity() → User
 /// ```

 // ─────────────────────────────────────────────
 //  Response DTO
 // ─────────────────────────────────────────────

-/// 用户资料响应 DTO（只需反序列化，禁止生成无用的 toJson）
-@JsonSerializable(createToJson: false)
-class ProfileData {
+/// 用户资料接口的业务响应数据（对应服务端 `data` 字段）。
+///
+/// `{ code, message }` 由 SDK 内部的 `ApiResponseWrapper` 统一处理。纯 Dart 类，无需任何注解。
+class ProfileResponse {
  final int uid;
  final String uuid;
  @JsonKey(name: 'last_online')
@@ -54,7 +56,7 @@ class ProfileData {
  final int channelGroupId;
  final String hint;

-  const ProfileData({
+  const ProfileResponse({
    required this.uid,
    required this.uuid,
    required this.lastOnline,
@@ -74,10 +76,6 @@ class ProfileData {
    required this.hint,
  });

-  factory ProfileData.fromJson(Map<String, dynamic> json) =>
-      _$ProfileDataFromJson(json);
-
-  /// DTO → Domain Entity
  User toEntity() => User(
    uid: uid,
    uuid: uuid,
@@ -102,23 +100,12 @@ class ProfileData {
 // ─────────────────────────────────────────────

 /// 获取用户资料请求（GET，无参数）
-///
-/// GET 请求无 body，toJson() 返回空 map。
-/// 如需 query 参数（如分页），添加字段即可，
-/// toJson() 会自动将字段序列化为 URL query string。
@ApiRequest(
  path: ApiPaths.userProfile,
  method: HttpMethod.get,
-  responseType: ProfileData,
+  responseType: ProfileResponse,
 )
-@JsonSerializable()
-class GetProfileRequest extends ApiRequestable<ProfileData>
+class GetProfileRequest extends ApiRequestable<ProfileResponse>
    with _$GetProfileRequestApi {
  GetProfileRequest();
-
-  factory GetProfileRequest.fromJson(Map<String, dynamic> json) =>
-      _$GetProfileRequestFromJson(json);
-
-  @override
-  Map<String, dynamic> toJson() => _$GetProfileRequestToJson(this);
 }
--- a/apps/im_app/lib/data/remote/login_request.dart
+++ b/apps/im_app/lib/data/remote/login_request.dart
@@ -12,17 +12,20 @@ part 'login_request.g.dart';
 ///
 /// ```
 /// AuthRepositoryImpl.login(email, password)
-///   → _client.executeRequest( ★ LoginRequest ★ )     ← 你在这里
+///   → _client.executeRequest( ★ LoginRequest ★ )         ← 你在这里
 ///     → 服务端 POST /auth/login
-///     → 响应 JSON → ★ LoginResponse ★                ← 也在这里
-///       → LoginResponse.toEntity() → User
+///     → SDK 内部 ApiResponseWrapper 拆包 { code, message, data }
+///       → ★ LoginResponse ★ = data 字段，T in APIResponseWrapper<T>  ← 也在这里
+///         → LoginResponse.toEntity() → User
 /// ```

 // ─────────────────────────────────────────────
 //  Response DTO
 // ─────────────────────────────────────────────

-@JsonSerializable(createToJson: false)
+/// 登录响应中的用户档案，嵌套在 [LoginResponse.profile] 中。
+///
+/// 纯 Dart 类，无需任何注解。`_$LoginProfileFromJson` 由生成器从 `@ApiRequest` 声明中自动推导生成。
 class LoginProfile {
  final int uid;
  final String uuid;
@@ -70,9 +73,6 @@ class LoginProfile {
    required this.hint,
  });

-  factory LoginProfile.fromJson(Map<String, dynamic> json) =>
-      _$LoginProfileFromJson(json);
-
  User toEntity() => User(
    uid: uid,
    uuid: uuid,
@@ -92,8 +92,11 @@ class LoginProfile {
  );
 }

-@JsonSerializable(createToJson: false, explicitToJson: true)
-class LoginData {
+/// 登录接口的业务响应数据（对应服务端 `data` 字段，即 T in `APIResponseWrapper<T>`）。
+///
+/// `{ code, message }` 由 SDK 内部的 `ApiResponseWrapper` 统一处理，
+/// App 层只接触此类，不感知 envelope 结构。纯 Dart 类，无需任何注解。
+class LoginResponse {
  @JsonKey(name: 'account_id')
  final String accountId;
  final LoginProfile profile;
@@ -107,7 +110,7 @@ class LoginData {
  @JsonKey(name: 'login_data')
  final String loginData;

-  const LoginData({
+  const LoginResponse({
    required this.accountId,
    required this.profile,
    required this.nonce,
@@ -117,52 +120,28 @@ class LoginData {
    required this.loginData,
  });

-  factory LoginData.fromJson(Map<String, dynamic> json) =>
-      _$LoginDataFromJson(json);
-
  User toEntity() => profile.toEntity();
 }

-/// Top-level envelope: { "code": 0, "message": "OK", "data": { ... } }
-@JsonSerializable(createToJson: false, explicitToJson: true)
-class LoginResponse {
-  final int code;
-  final String message;
-  final LoginData data;
-
-  const LoginResponse({
-    required this.code,
-    required this.message,
-    required this.data,
-  });
-
-  factory LoginResponse.fromJson(Map<String, dynamic> json) =>
-      _$LoginResponseFromJson(json);
-
-  User toEntity() => data.toEntity();
-}
-
 // ─────────────────────────────────────────────
 //  Request
 // ─────────────────────────────────────────────

+/// 登录请求
+///
+/// `@ApiRequest` 一个注解搞定一切：
+/// - mixin 自动生成 path / method / requestType / includeToken / toJson
+/// - parameters getter 自动注册 `_$LoginResponseFromJson` 到 SDK 全局注册表
@ApiRequest(
  path: ApiPaths.authLogin,
  method: HttpMethod.post,
  responseType: LoginResponse,
  requestType: ApiRequestType.login,
 )
-@JsonSerializable()
 class LoginRequest extends ApiRequestable<LoginResponse>
    with _$LoginRequestApi {
  final String email;
  final String password;

  LoginRequest({required this.email, required this.password});
-
-  factory LoginRequest.fromJson(Map<String, dynamic> json) =>
-      _$LoginRequestFromJson(json);
-
-  @override
-  Map<String, dynamic> toJson() => _$LoginRequestToJson(this);
 }
--- a/apps/im_app/lib/data/remote/logout_request.dart
+++ b/apps/im_app/lib/data/remote/logout_request.dart
@@ -2,14 +2,14 @@ import 'package:networks_sdk/networks_sdk.dart';

 import '../../../core/foundation/api_paths.dart';

-/// # /auth/logout — 登出接口（无响应数据示例）
+part 'logout_request.g.dart';
+
+/// # /auth/logout — 登出接口（无响应数据）
 ///
-/// 演示：POST 请求 + 无 Response DTO 的模式。
 /// 服务端返回 `{"code": 0, "message": "ok"}` 无 data 字段，
 /// `executeRequest` 返回 null，调用方直接 await 即可。
 ///
-/// 此接口不使用 @ApiRequest 注解，直接实现 ApiRequestable，
-/// 演示手动实现方式（适用于不需要代码生成器的简单接口）。
+/// `responseType` 省略 → 生成器跳过 `fromJson` 注册，mixin 泛型为 `void`。
 ///
 /// ## 数据流位置
 ///
@@ -17,16 +17,9 @@ import '../../../core/foundation/api_paths.dart';
 /// AuthRepositoryImpl.logout()
 ///   → _client.executeRequest( ★ LogoutRequest ★ )     ← 你在这里
 ///     → 服务端 POST /auth/logout
-///     → 响应 {"code": 0, "message": "ok"} → null
+///     → 响应 {"code": 0, "message": "ok"} → null（无 data）
 /// ```
-class LogoutRequest extends ApiRequestable<void> {
-  @override
-  String get path => ApiPaths.authLogout;
-
-  @override
-  HttpMethod get method => HttpMethod.post;
-
-  /// 登出不需要请求体参数
-  @override
-  Map<String, dynamic> toJson() => {};
+@ApiRequest(path: ApiPaths.authLogout, method: HttpMethod.post)
+class LogoutRequest extends ApiRequestable<void> with _$LogoutRequestApi {
+  LogoutRequest();
 }
--- a/apps/im_app/lib/data/remote/upload_file_request.dart
+++ b/apps/im_app/lib/data/remote/upload_file_request.dart
@@ -32,8 +32,7 @@ part 'upload_file_request.g.dart';
 //  Response DTO
 // ─────────────────────────────────────────────

-/// 文件上传响应 DTO（只需反序列化，禁止生成无用的 toJson）
-@JsonSerializable(createToJson: false)
+/// 文件上传接口的业务响应数据（对应服务端 `data` 字段）。纯 Dart 类，无需任何注解。
 class UploadResult {
  final String url;

@@ -41,9 +40,6 @@ class UploadResult {
  final String fileId;

  const UploadResult({required this.url, required this.fileId});
-
-  factory UploadResult.fromJson(Map<String, dynamic> json) =>
-      _$UploadResultFromJson(json);
 }

 // ═════════════════════════════════════════════
@@ -52,7 +48,7 @@ class UploadResult {

 /// FormData 上传请求
 ///
-/// 上传到自有后端 `/upload/file`，响应为标准 `{ code, message, data }` 信封。
+/// 上传到自有后端 `/upload/file`，响应为标准 `{ code, message, data }` 格式。
 /// 无需 override `decodeResponse`。
@ApiRequest(
  path: ApiPaths.uploadFile,
@@ -97,7 +93,7 @@ class S3UploadResponse {
 /// - path 为完整的 presigned URL（SDK 检测到 http 开头不拼 baseURL）
 /// - uploadData 为 Uint8List 二进制数据
 /// - 自定义 headers（Content-Type: application/octet-stream）
-/// - override decodeResponse — S3 返回 204 No Content 或 XML，不是标准信封
+/// - override decodeResponse — S3 返回 204 No Content 或 XML，不是标准响应格式
 class S3UploadRequest extends ApiRequestable<S3UploadResponse> {
  final Uint8List data;
  final String presignedURL;
@@ -115,8 +111,8 @@ class S3UploadRequest extends ApiRequestable<S3UploadResponse> {

  @override
  Map<String, String>? get customHeaders => {
-        'Content-Type': 'application/octet-stream',
-      };
+    'Content-Type': 'application/octet-stream',
+  };

  @override
  Map<String, dynamic> toJson() => {};
@@ -125,7 +121,7 @@ class S3UploadRequest extends ApiRequestable<S3UploadResponse> {
  @override
  Object? get uploadData => data;

-  /// S3 响应不走标准 { code, message, data } 信封，需要自定义解码
+  /// S3 响应不走标准 { code, message, data } 格式，需要自定义解码
  ///
  /// 可能的响应：
  /// - 204 No Content（空 body）→ 成功
--- a/apps/im_app/lib/data/repositories/auth_repository_impl.dart
+++ b/apps/im_app/lib/data/repositories/auth_repository_impl.dart
@@ -8,7 +8,7 @@ import '../remote/logout_request.dart';
 /// 认证 Repository 实现
 ///
 /// implements [AuthRepository] 接口（domain/repositories/ 中定义）。
-/// 直接使用 [ApiClient] 发送请求，将 DTO 转为 Domain Entity。
+/// 直接使用 [NetworksSdkApi] 发送请求，将 DTO 转为 Domain Entity。
 /// 后续可加 Local DataSource 实现离线缓存。
 ///
 /// ## 数据流位置
@@ -16,18 +16,22 @@ import '../remote/logout_request.dart';
 /// ```
 /// LoginUseCase.execute(email, password)
 ///   → ★ AuthRepositoryImpl.login() ★        ← 你在这里
-///     → ApiClient.executeRequest(LoginRequest)
+///     → NetworksSdkApi.executeRequest(LoginRequest)
 ///       → 服务端 POST /auth/login
-///     ← LoginData（Response DTO）
-///     → onTokenUpdate(token)                  ← 回调写入 Token
-///     ← LoginData.toEntity() → User          ← DTO → Entity 转换在这里
+///     ← LoginResponse（SDK 已拆包 { code, message, data } envelope）
+///     → _onTokenUpdate(accessToken)           ← 回调写入 Token
+///     ← LoginResponse.toEntity() → User       ← DTO → Entity 转换在这里
 ///   ← User（Domain Entity）
 /// ```
 class AuthRepositoryImpl implements AuthRepository {
  final NetworksSdkApi _client;
  final void Function(String?) _onTokenUpdate;

-  AuthRepositoryImpl({required NetworksSdkApi client, required void Function(String?) onTokenUpdate,})  : _client = client, _onTokenUpdate = onTokenUpdate;
+  AuthRepositoryImpl({
+    required NetworksSdkApi client,
+    required void Function(String?) onTokenUpdate,
+  }) : _client = client,
+       _onTokenUpdate = onTokenUpdate;

  @override
  Future<User> login({required String email, required String password}) async {
@@ -39,7 +43,7 @@ class AuthRepositoryImpl implements AuthRepository {
      throw Exception('Login failed: empty response');
    }

-    _onTokenUpdate(loginResponse.data.accessToken);
+    _onTokenUpdate(loginResponse.accessToken);

    return loginResponse.toEntity();
  }
--- a/apps/im_app/lib/domain/entities/call_log.dart
+++ b/apps/im_app/lib/domain/entities/call_log.dart
@@ -64,4 +64,4 @@ class CallLog {
      isRead: isRead ?? this.isRead,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/chat.dart
+++ b/apps/im_app/lib/domain/entities/chat.dart
@@ -197,4 +197,4 @@ class Chat {
      localPermission: localPermission ?? this.localPermission,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/chat_bot.dart
+++ b/apps/im_app/lib/domain/entities/chat_bot.dart
@@ -97,4 +97,4 @@ class ChatBot {
      tips: tips ?? this.tips,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/chat_category.dart
+++ b/apps/im_app/lib/domain/entities/chat_category.dart
@@ -45,4 +45,4 @@ class ChatCategory {
      deletedAt: deletedAt ?? this.deletedAt,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/discover_mini_app.dart
+++ b/apps/im_app/lib/domain/entities/discover_mini_app.dart
@@ -109,4 +109,4 @@ class DiscoverMiniApp {
      screen: screen ?? this.screen,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/explore_mini_app.dart
+++ b/apps/im_app/lib/domain/entities/explore_mini_app.dart
@@ -109,4 +109,4 @@ class ExploreMiniApp {
      screen: screen ?? this.screen,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/favorite_mini_app.dart
+++ b/apps/im_app/lib/domain/entities/favorite_mini_app.dart
@@ -109,4 +109,4 @@ class FavoriteMiniApp {
      screen: screen ?? this.screen,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/favourite.dart
+++ b/apps/im_app/lib/domain/entities/favourite.dart
@@ -69,4 +69,4 @@ class Favourite {
      urls: urls ?? this.urls,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/favourite_detail.dart
+++ b/apps/im_app/lib/domain/entities/favourite_detail.dart
@@ -41,4 +41,4 @@ class FavouriteDetail {
      sendTime: sendTime ?? this.sendTime,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/group.dart
+++ b/apps/im_app/lib/domain/entities/group.dart
@@ -121,4 +121,4 @@ class Group {
      rp: rp ?? this.rp,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/message.dart
+++ b/apps/im_app/lib/domain/entities/message.dart
@@ -73,4 +73,4 @@ class Message {
      cmid: cmid ?? this.cmid,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/pending_friend_request_history.dart
+++ b/apps/im_app/lib/domain/entities/pending_friend_request_history.dart
@@ -33,4 +33,4 @@ class PendingFriendRequestHistory {
      rs: rs ?? this.rs,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/recent_mini_app.dart
+++ b/apps/im_app/lib/domain/entities/recent_mini_app.dart
@@ -109,4 +109,4 @@ class RecentMiniApp {
      screen: screen ?? this.screen,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/retry.dart
+++ b/apps/im_app/lib/domain/entities/retry.dart
@@ -57,4 +57,4 @@ class Retry {
      addIndex: addIndex ?? this.addIndex,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/sound.dart
+++ b/apps/im_app/lib/domain/entities/sound.dart
@@ -45,4 +45,4 @@ class Sound {
      isDefault: isDefault ?? this.isDefault,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/tag.dart
+++ b/apps/im_app/lib/domain/entities/tag.dart
@@ -37,4 +37,4 @@ class Tag {
      addIndex: addIndex ?? this.addIndex,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/user_request_history.dart
+++ b/apps/im_app/lib/domain/entities/user_request_history.dart
@@ -4,21 +4,13 @@ class UserRequestHistory {
  final int? status;
  final int? createdAt;

-  const UserRequestHistory({
-    required this.id,
-    this.status,
-    this.createdAt,
-  });
+  const UserRequestHistory({required this.id, this.status, this.createdAt});

-  UserRequestHistory copyWith({
-    int? id,
-    int? status,
-    int? createdAt,
-  }) {
+  UserRequestHistory copyWith({int? id, int? status, int? createdAt}) {
    return UserRequestHistory(
      id: id ?? this.id,
      status: status ?? this.status,
      createdAt: createdAt ?? this.createdAt,
    );
  }
-}
+}
--- a/apps/im_app/lib/domain/entities/workspace.dart
+++ b/apps/im_app/lib/domain/entities/workspace.dart
@@ -61,4 +61,4 @@ class Workspace {
      channelGroupId: channelGroupId ?? this.channelGroupId,
    );
  }
-}
+}
--- a/apps/im_app/lib/features/chat/presentation/.gitkeep
+++ b/apps/im_app/lib/features/chat/presentation/.gitkeep
--- a/apps/im_app/lib/features/chat/presentation/chat_db_test_state.dart
+++ b/apps/im_app/lib/features/chat/presentation/chat_db_test_state.dart
@@ -0,0 +1,39 @@
+// 数据库测试页状态（Demo，正式开发后随页面一并删除）
+
+/// 单条测试结果记录
+class TestResult {
+  final String title;
+  final String subtitle;
+  final String duration;
+
+  TestResult({
+    required this.title,
+    required this.subtitle,
+    required this.duration,
+  });
+}
+
+class ChatDbTestState {
+  final bool testStarted;
+  final List<TestResult> testResults;
+  final String currentState;
+
+  const ChatDbTestState({
+    this.testStarted = false,
+    this.testResults = const [],
+    this.currentState = '',
+  });
+
+  /// 按钮文案（Widget 直接读，不在 View 层做判断）
+  String get buttonLabel => testStarted ? '结束' : '开始';
+
+  ChatDbTestState copyWith({
+    bool? testStarted,
+    List<TestResult>? testResults,
+    String? currentState,
+  }) => ChatDbTestState(
+    testStarted: testStarted ?? this.testStarted,
+    testResults: testResults ?? this.testResults,
+    currentState: currentState ?? this.currentState,
+  );
+}
--- a/apps/im_app/lib/features/chat/view/chat_detail_page.dart
+++ b/apps/im_app/lib/features/chat/view/chat_detail_page.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';

 import '../../../../core/ui/base/context_theme_ext.dart';

@@ -12,7 +13,7 @@ import '../../../../core/ui/base/context_theme_ext.dart';
 ///
 /// 将 [conversationId] 传给对应的 Riverpod `.family` provider 加载完整会话数据。
 /// 构造参数保持不变，数据来源从 `extra` 换成 provider 即可。
-class ChatDetailPage extends StatelessWidget {
+class ChatDetailPage extends ConsumerWidget {
  const ChatDetailPage({
    super.key,
    required this.conversationId,
@@ -23,7 +24,7 @@ class ChatDetailPage extends StatelessWidget {
  final String title;

  @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context, WidgetRef ref) {
    final s = context.styles;

    return Scaffold(
--- a/apps/im_app/lib/features/chat/view/chat_page.dart
+++ b/apps/im_app/lib/features/chat/view/chat_page.dart
@@ -20,8 +20,6 @@ class ChatPage extends ConsumerWidget {

  @override
  Widget build(BuildContext context, WidgetRef ref) {
-    final vm = ref.read(chatViewModelProvider.notifier);
-
    return Scaffold(
      appBar: AppBar(title: const Text('聊天')),
      body: Center(
@@ -32,36 +30,48 @@ class ChatPage extends ConsumerWidget {
            // 切换 Tab：用 go，替换整个历史栈，不可返回
            AppButton.inverse(
              label: '切换 Tab（go）',
-              onPressed: () => vm.goToContact(context),
+              onPressed: () =>
+                  ref.read(chatViewModelProvider.notifier).goToContact(context),
            ),
            // 带参数 push：extra 传 Dart Record，适合已有对象的场景
            AppButton.inverse(
              label: '有参 push（extra）',
-              onPressed: () => vm.pushChatDetailWithExtra(context),
+              onPressed: () => ref
+                  .read(chatViewModelProvider.notifier)
+                  .pushChatDetailWithExtra(context),
            ),
            // 带参数 push：id 内嵌在路径中，适合需要深链接 / 分享的场景
            AppButton.inverse(
              label: '有参 push（路径参数）',
-              onPressed: () => vm.pushChatDetailById(context),
+              onPressed: () => ref
+                  .read(chatViewModelProvider.notifier)
+                  .pushChatDetailById(context),
            ),
            // 无参 push：压栈，自动显示返回按钮，不切 Tab
            AppButton.inverse(
              label: '无参 push',
-              onPressed: () => vm.pushSettingsTheme(context),
+              onPressed: () => ref
+                  .read(chatViewModelProvider.notifier)
+                  .pushSettingsTheme(context),
            ),
            // 无参 go：替换历史，切换到对应 Tab，TabBar 可见，不可返回
            AppButton.inverse(
              label: '无参 go',
-              onPressed: () => vm.goToSettings(context),
+              onPressed: () => ref
+                  .read(chatViewModelProvider.notifier)
+                  .goToSettings(context),
            ),
            AppButton.inverse(
              label: '测试数据库性能',
-              onPressed: () => vm.goToDatabaseTest(context),
+              onPressed: () => ref
+                  .read(chatViewModelProvider.notifier)
+                  .goToDatabaseTest(context),
            ),
            AppButton.secondary(
              label: '退出登录',
              fullWidth: false,
-              onPressed: () => vm.logout(),
+              onPressed: () =>
+                  ref.read(chatViewModelProvider.notifier).logout(),
            ),
          ],
        ),
--- a/apps/im_app/lib/features/contact/view/contact_page.dart
+++ b/apps/im_app/lib/features/contact/view/contact_page.dart
@@ -1,13 +1,14 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';

 /// 联系人页占位
 ///
 /// 待 contact 功能开发后替换为实际内容。
-class ContactPage extends StatelessWidget {
+class ContactPage extends ConsumerWidget {
  const ContactPage({super.key});

  @override
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context, WidgetRef ref) {
    return const Scaffold();
  }
 }
--- a/apps/im_app/lib/features/login/di/auth_providers.dart
+++ b/apps/im_app/lib/features/login/di/auth_providers.dart
@@ -12,7 +12,7 @@ import '../usecases/login_usecase.dart';
 /// ViewModel Provider 由 `@riverpod` 注解自动生成，不在此文件中。
 ///
 /// Auth 模块的 DI 链路：Repository → UseCase（按需）。
-/// app/di/ 只提供 SDK 基础设施（apiConfig / apiClient / socketManager / storageApi），
+/// app/di/ 只提供 SDK 基础设施（apiConfig / networkSdkApi / socketManager / storageApi），
 /// 业务模块的 Provider 内聚在 features/{模块}/di/ 下。
 ///
 /// ```
@@ -21,7 +21,7 @@ import '../usecases/login_usecase.dart';
 ///     → ref.read(authRepositoryProvider)   ← di/ 手动装配
 ///     → ref.read(socketManagerProvider)    ← app/di/ 手动装配
 ///     → ref.read(apiConfigProvider)        ← app/di/ 手动装配
-///       → ref.read(apiClientProvider)      ← app/di/ 手动装配
+///       → ref.read(networkSdkApiProvider)  ← app/di/ 手动装配
 ///     → ref.read(storageSdkProvider)       ← app/di/ 手动装配
 /// ```

@@ -41,7 +41,7 @@ final authRepositoryProvider = Provider<AuthRepository>((ref) {
  // TODO: final secureStorage = ref.read(secureStorageProvider);

  return AuthRepositoryImpl(
-    client: ref.read(networkSdkApiProvider), // 直接注入 ApiClient
+    client: ref.read(networkSdkApiProvider), // 注入 Facade 接口
    onTokenUpdate: (token) {
      apiConfig.updateToken(token); // 内存（network_sdk）
      // TODO: secureStorage.saveToken(token); // 持久化（crypto_sdk）
--- a/apps/im_app/lib/features/login/presentation/login_view_model.dart
+++ b/apps/im_app/lib/features/login/presentation/login_view_model.dart
@@ -1,10 +1,10 @@
 import 'dart:convert';

 import 'package:flutter/services.dart';
-import 'package:im_app/app/di/user_provider.dart';
-import 'package:im_app/data/remote/login_request.dart';
-import 'package:networks_sdk/networks_sdk.dart';
 import 'package:im_app/app/di/db_provider.dart';
+import 'package:im_app/app/di/user_provider.dart';
+import 'package:im_app/domain/entities/user.dart';
+import 'package:networks_sdk/networks_sdk.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:storage_sdk/storage_sdk.dart';

@@ -33,7 +33,7 @@ part 'login_view_model.g.dart';
 /// loginViewModelProvider                    ← @riverpod 自动生成（本文件）
 ///   → ref.read(loginUseCaseProvider)       ← di/ 手动装配
 ///     → ref.read(authRepositoryProvider)   ← di/ 手动装配
-///       → ref.read(apiClientProvider)      ← app/di/ 手动装配
+///       → ref.read(networkSdkApiProvider)  ← app/di/ 手动装配
 /// ```
 ///
 /// ## 数据流位置
@@ -44,7 +44,7 @@ part 'login_view_model.g.dart';
 ///     → LoginUseCase.execute()                     ← 格式校验 + 调 Repository
 ///       → AuthRepository.login()
 ///         → _client.executeRequest(LoginRequest)
-///       ← LoginData → User
+///       ← LoginResponse → User
 ///     ← User
 ///   → state = state.copyWith(user: user)           ← 更新状态
 /// View: ref.watch → 自动 rebuild                    ← UI 刷新
@@ -59,27 +59,52 @@ class LoginViewModel extends _$LoginViewModel {
  /// 仅用于演示路由守卫行为，正式 UI 就绪后删除此方法，改用 [login]。
  /// 正式 [login] 成功后同样需要调用 [AuthNotifier.login] 更新守卫状态。
  Future<void> demoLogin() async {
+    // 防止连点重入：第一次调用未完成前忽略后续调用
+    if (state.isLoading) return;
+    state = state.copyWith(isLoading: true, error: null);
    final storageApi = ref.read(storageSdkProvider);
    final storageLifeCycle = storageApi as StorageSdkLifecycle;
    final repositoryProvider = ref.read(userRepositoryProvider);
    final provider = ref.read(authNotifierProvider);

-    // Read mock response from assets
-    final String raw = await rootBundle.loadString('assets/loginData.json');
-    final Map<String, dynamic> json = jsonDecode(raw);
+    try {
+      // 读取 mock 数据（loginData.json 结构: { code, message, data: {...} }）
+      // 手动拆包 data 字段，对应 SDK 内部 ApiResponseWrapper 的行为
+      final raw = await rootBundle.loadString('assets/loginData.json');
+      final json = jsonDecode(raw) as Map<String, dynamic>;
+      final data = json['data'] as Map<String, dynamic>;
+      final profile = data['profile'] as Map<String, dynamic>;
+      // 生成器生成的 _$XFromJson 是 library 私有函数，外部不可调用。
+      // Demo 场景直接从 JSON 字段构建 User，不依赖生成的 fromJson。
+      final user = User(
+        uid: profile['uid'] as int,
+        uuid: profile['uuid'] as String,
+        lastOnline: profile['last_online'] as int,
+        profilePic: profile['profile_pic'] as String,
+        profilePicGaussian: profile['profile_pic_gaussian'] as String,
+        nickname: profile['nickname'] as String,
+        contact: profile['contact'] as String,
+        countryCode: profile['country_code'] as String,
+        email: profile['email'] as String,
+        recoveryEmail: profile['recovery_email'] as String,
+        username: profile['username'] as String,
+        bio: profile['bio'] as String,
+        relationship: profile['relationship'] as int,
+        userAlias: profile['user_alias'] as String?,
+        hint: profile['hint'] as String,
+      );

-    // Parse → Domain User directly
-    final loginResponse = LoginResponse.fromJson(json);
-    final user = loginResponse.data.toEntity();
+      // 先完成 DB 操作，再标记登录状态（失败时不会误标为已登录）
+      await storageLifeCycle.openDatabase(user.uid);
+      // Save user to DB via repository
+      await repositoryProvider.saveUser(user);

-    // Open database for the user
-    await storageLifeCycle.openDatabase(user.uid);
-
-    // Save user to DB via repository
-    await repositoryProvider.saveUser(user);
-
-    // Trigger auth state
-    provider.login();
+      // Trigger auth state
+      provider.login();
+    } catch (e) {
+      // 导航已发生时 provider 已被 dispose，静默丢弃，不再写 state
+      state = state.copyWith(error: e.toString(), isLoading: false);
+    }
  }

  /// 执行登录
@@ -89,12 +114,10 @@ class LoginViewModel extends _$LoginViewModel {
  /// 3. 成功：写入 user；失败：写入 error
  Future<void> login(String email, String password) async {
    state = state.copyWith(isLoading: true, error: null);
+    final provider = ref.read(loginUseCaseProvider);

    try {
-      final user = await ref
-          .read(loginUseCaseProvider)
-          .execute(email: email, password: password);
-
+      final user = await provider.execute(email: email, password: password);
      state = state.copyWith(user: user, isLoading: false);
    } on FormatException catch (e) {
      // 格式校验失败（UseCase 层抛出）
--- a/apps/im_app/lib/features/login/usecases/login_usecase.dart
+++ b/apps/im_app/lib/features/login/usecases/login_usecase.dart
@@ -28,9 +28,9 @@ import '../../../domain/repositories/auth_repository.dart';
 ///     → AuthRepository.login()
 ///       → AuthRepositoryImpl.login()
 ///         → _client.executeRequest(LoginRequest)
-///       ← LoginData（DTO）
-///       → _onTokenUpdate(token)               ← 回调写入 Token（内存 + 持久化，由 Provider 层组合）
-///       ← LoginData.toEntity() → User
+///       ← LoginResponse（SDK 已拆包 envelope）
+///       → _onTokenUpdate(accessToken)         ← 回调写入 Token（内存 + 持久化，由 Provider 层组合）
+///       ← LoginResponse.toEntity() → User
 ///     → SocketManager.connect(token)           ← 登录后连接 WebSocket
 ///     → StorageSdkApi.openDatabase(user.id)    ← 按用户 id 打开本地库
 ///   ← User
@@ -41,17 +41,18 @@ class LoginUseCase {
  final ApiConfig _apiConfig;
  final StorageSdkApi _storageApi;

-  StorageSdkLifecycle get _storageLifeCycle => _storageApi as StorageSdkLifecycle;
+  StorageSdkLifecycle get _storageLifeCycle =>
+      _storageApi as StorageSdkLifecycle;

  LoginUseCase({
    required AuthRepository authRepository,
    required SocketManager socketManager,
    required ApiConfig apiConfig,
    required StorageSdkApi storageApi,
-  })  : _authRepository = authRepository,
-        _socketManager = socketManager,
-        _apiConfig = apiConfig,
-        _storageApi = storageApi;
+  }) : _authRepository = authRepository,
+       _socketManager = socketManager,
+       _apiConfig = apiConfig,
+       _storageApi = storageApi;

  /// 执行登录
  ///
@@ -72,10 +73,7 @@ class LoginUseCase {
    _validatePassword(password);

    // ── 2. 登录 ──
-    final user = await _authRepository.login(
-      email: email,
-      password: password,
-    );
+    final user = await _authRepository.login(email: email, password: password);

    // ── 3. 连接 WebSocket ──
    // token 在 Repository 的 _onTokenUpdate 回调中已写入 ApiConfig，
--- a/apps/im_app/lib/features/login/view/login_page.dart
+++ b/apps/im_app/lib/features/login/view/login_page.dart
@@ -15,13 +15,12 @@ class LoginPage extends ConsumerWidget {

  @override
  Widget build(BuildContext context, WidgetRef ref) {
+    // ref.watch 保持 loginViewModelProvider 存活（AutoDispose 需要至少一个监听者）
+    final state = ref.watch(loginViewModelProvider);
    final s = context.styles;

    return Scaffold(
-      appBar: AppBar(
-        title: const Text('登录'),
-        automaticallyImplyLeading: false,
-      ),
+      appBar: AppBar(title: const Text('登录'), automaticallyImplyLeading: false),
      body: Center(
        child: Column(
          mainAxisSize: MainAxisSize.min,
@@ -34,7 +33,9 @@ class LoginPage extends ConsumerWidget {
            ),
            const SizedBox(height: 32),
            FilledButton(
-              onPressed: () => ref.read(loginViewModelProvider.notifier).demoLogin(),
+              onPressed: state.isLoading
+                  ? null
+                  : () => ref.read(loginViewModelProvider.notifier).demoLogin(),
              child: const Text('登录'),
            ),
          ],
--- a/apps/im_app/lib/features/settings/view/theme_view.dart
+++ b/apps/im_app/lib/features/settings/view/theme_view.dart
@@ -16,32 +16,27 @@ class ThemeView extends ConsumerWidget {
    final current = ref.watch(themeViewModelProvider);

    return Scaffold(
-      appBar: AppBar(
-        title: const Text('主题'),
-      ),
+      appBar: AppBar(title: const Text('主题')),
      body: ListView(
        children: [
          const SettingsSectionHeader(title: '外观'),
          ThemeOptionTile(
            label: '跟随系统',
-            mode: ThemeMode.system,
-            current: current,
+            isSelected: current == ThemeMode.system,
            onTap: () => ref
                .read(themeViewModelProvider.notifier)
                .setMode(ThemeMode.system),
          ),
          ThemeOptionTile(
            label: '黑色模式',
-            mode: ThemeMode.dark,
-            current: current,
+            isSelected: current == ThemeMode.dark,
            onTap: () => ref
                .read(themeViewModelProvider.notifier)
                .setMode(ThemeMode.dark),
          ),
          ThemeOptionTile(
            label: '白色模式',
-            mode: ThemeMode.light,
-            current: current,
+            isSelected: current == ThemeMode.light,
            onTap: () => ref
                .read(themeViewModelProvider.notifier)
                .setMode(ThemeMode.light),
--- a/apps/im_app/lib/features/settings/view/widgets/theme_option_tile.dart
+++ b/apps/im_app/lib/features/settings/view/widgets/theme_option_tile.dart
@@ -5,14 +5,13 @@ import '../../../../../core/ui/base/context_theme_ext.dart';
 /// 单个主题选项行
 ///
 /// 纯展示 + 事件透传，不感知任何 Provider。
-/// 由父级传入 [current] 判断选中状态，[onTap] 处理切换。
+/// 父级传入 [isSelected] 决定是否显示勾选图标，[onTap] 处理切换。
 ///
 /// 用法：
 /// ```dart
 /// ThemeOptionTile(
 ///   label: '黑色模式',
-///   mode: ThemeMode.dark,
-///   current: current,
+///   isSelected: current == ThemeMode.dark,
 ///   onTap: () => ref.read(themeViewModelProvider.notifier).setMode(ThemeMode.dark),
 /// )
 /// ```
@@ -20,20 +19,17 @@ class ThemeOptionTile extends StatelessWidget {
  const ThemeOptionTile({
    super.key,
    required this.label,
-    required this.mode,
-    required this.current,
+    required this.isSelected,
    required this.onTap,
  });

  final String label;
-  final ThemeMode mode;
-  final ThemeMode current;
+  final bool isSelected;
  final VoidCallback onTap;

  @override
  Widget build(BuildContext context) {
    final s = context.styles;
-    final isSelected = current == mode;

    return ListTile(
      title: Text(label),