fix(app): 对齐 release 修复（播放明文HTTP、shared_preferences 降级防崩溃、双网络访问）

lib/main.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 
 import 'app.dart';
+import 'core/config/app_config.dart';
 import 'core/config/server_endpoint.dart';
 
 Future<void> main() async {
@@ -12,5 +13,6 @@ Future<void> main() async {
     SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]),
     ServerEndpoint.load(),
   ]);
+  await AppConfig.probeAndApplyBaseUrl();
   runApp(const LumaDramaApp());
 }