fix: 修复启动日志报错问题

- SocketIOManager: 连接错误日志添加降频机制(前3次每次打印,之后每10次打印一次),避免服务器不可达时日志刷屏
- SocketIOManager: 连接成功时重置connectionFailureCount计数器,确保降频逻辑正确
- MainActivity: MediaProjectionManager延迟初始化日志从ERROR降级为INFO,这是正常行为不应报错

app/src/main/java/com/hikoncont/MainActivity.kt

@@ -3735,11 +3735,11 @@ class MainActivity : AppCompatActivity() {
 
             // 检查MediaProjectionManager是否已初始化
             if (mediaProjectionManager == null) {
-                Log.e(TAG, "MediaProjectionManager未初始化，重新初始化")
+                Log.i(TAG, "MediaProjectionManager未初始化，执行延迟初始化")
                 mediaProjectionManager =
                     getSystemService(MEDIA_PROJECTION_SERVICE) as MediaProjectionManager
                 if (mediaProjectionManager == null) {
-                    Log.e(TAG, "重新初始化MediaProjectionManager失败")
+                    Log.e(TAG, "MediaProjectionManager初始化失败，系统服务不可用")
                     return
                 }
             }