chore: release client-v1.0.61

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

client/lib/core/api/api_client.dart

@@ -3,6 +3,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import '../auth/auth_state.dart';
 import '../config/app_config.dart';
+import '../config/app_constants.dart';
 import '../config/license_copy.dart';
 import '../errors/error_reporter.dart';
 import '../../providers/connectivity_provider.dart';
@@ -15,8 +16,8 @@ final _publicDio = _buildPublicDio();
 Dio _buildPublicDio() {
   final dio = Dio(BaseOptions(
     baseUrl: AppConfig.apiBaseUrl,
-    connectTimeout: const Duration(seconds: 8),
-    receiveTimeout: const Duration(seconds: 15),
+    connectTimeout: AppConstants.publicConnectTimeout,
+    receiveTimeout: AppConstants.publicReceiveTimeout,
   ));
   dio.interceptors.add(RetryInterceptor(dio));
   return dio;
@@ -102,8 +103,8 @@ class ApiClient {
     _onAuthFailed = onAuthFailed;
     _dio = Dio(BaseOptions(
       baseUrl: AppConfig.apiBaseUrl,
-      connectTimeout: const Duration(seconds: 8),
-      receiveTimeout: const Duration(seconds: 15),
+      connectTimeout: AppConstants.publicConnectTimeout,
+      receiveTimeout: AppConstants.publicReceiveTimeout,
       headers: {
         if (token != null) 'Authorization': 'Bearer $token',
       },

client/lib/core/api/retry_interceptor.dart

@@ -1,4 +1,5 @@
 import 'package:dio/dio.dart';
+import '../config/app_constants.dart';
 
 /// 网络层错误自动重试拦截器。
 ///
@@ -16,11 +17,7 @@ class RetryInterceptor extends Interceptor {
 
   RetryInterceptor(
     this.dio, {
-    this.delays = const [
-      Duration(seconds: 1),
-      Duration(seconds: 2),
-      Duration(seconds: 4),
-    ],
+    this.delays = AppConstants.retryBackoffs,
   });
 
   static const _attemptKey = 'retry_attempt';