fix(rcon): 多包回复在首包到达后发结束标记重组，单包上限放宽到 4106，命令带 ctx 与默认 10s 超时，console 走 ExecuteContext

internal/api/console.go

@@ -101,7 +101,7 @@ func (k *K8sConsole) RunCommand(ctx context.Context, name, command string) (stri
 	}
 	defer conn.Close()
 
-	out, err := conn.Execute(command)
+	out, err := conn.ExecuteContext(ctx, command)
 	if err != nil {
 		return "", ErrConsoleUnavailable
 	}