feat: update COM port terminology and refine button styling for touch support

dea/mcu.py

@@ -13,7 +13,7 @@ def _serial_module():
     try:
         import serial
     except ImportError as exc:
-        raise HTTPException(status_code=500, detail="MCU 串口功能需要安裝 pyserial") from exc
+        raise HTTPException(status_code=500, detail="MCU COM Port功能需要安裝 pyserial") from exc
     return serial
 
 
@@ -24,7 +24,7 @@ def write_mcu_command_response(params: MCUWriteParams):
 
     target_port = (params.port or MCU_SERIAL_PORT).strip()
     if not target_port:
-        raise HTTPException(status_code=400, detail="MCU 串口不可為空")
+        raise HTTPException(status_code=400, detail="MCU COM Port不可為空")
 
     serial = _serial_module()
     payload = (cmd + "\r\n").encode("ascii", errors="strict")
@@ -39,7 +39,7 @@ def write_mcu_command_response(params: MCUWriteParams):
             written = ser.write(payload)
             ser.flush()
     except serial.SerialException as exc:
-        raise HTTPException(status_code=500, detail=f"MCU 串口傳送失敗: {str(exc)}") from exc
+        raise HTTPException(status_code=500, detail=f"MCU COM Port傳送失敗: {str(exc)}") from exc
 
     return {
         "status": "ok",
@@ -55,7 +55,7 @@ def list_mcu_ports_response():
     try:
         from serial.tools import list_ports
     except ImportError as exc:
-        raise HTTPException(status_code=500, detail="MCU 串口清單功能需要安裝 pyserial") from exc
+        raise HTTPException(status_code=500, detail="MCU COM Port清單功能需要安裝 pyserial") from exc
 
     ports = [
         {