支持传感器独立校准文件与批量配置启动

保留逐台添加，并通过显式配置一次连接全组；失败时撤销本批新增连接。通过 35 项回归测试、真实 SDK 校准与 1–4 路验证、Ruff 和文档检查。

tests/test_uart.py

@@ -252,7 +252,7 @@ class ManualAddTests(HardwareFreeTest):
         controller = uart.UartFingerController(ser)
         with patch.object(controller.bank, "add", return_value=1) as add:
             controller._dispatch('add "/tmp/test clip.mp4" "my config.json"')
-        add.assert_called_once_with("/tmp/test clip.mp4", config="my config.json")
+        add.assert_called_once_with("/tmp/test clip.mp4", config="my config.json", cal_path=None)
         self.assertEqual(ser.output[-1], "OK added 1")
 
     def test_removed_commands_and_arguments_are_rejected(self):