update build scripts

scripts/deploy.cmd

@@ -1,24 +1,9 @@
 @echo off
-REM Build + flash the M5Stack Dashboard project via PlatformIO on Windows.
-REM
-REM Usage:
-REM   scripts\deploy.cmd            (auto-detect USB port)
-REM   scripts\deploy.cmd COM5       (force a specific port)
-REM
-REM Does NOT open the serial monitor afterwards.
-
 setlocal
 cd /d "%~dp0\.."
-
 set VENV_DIR=.venv-platformio
-
 where py >nul 2>nul
-if %errorlevel%==0 (
-    set PYTHON_CMD=py -3
-) else (
-    set PYTHON_CMD=python
-)
-
+if %errorlevel%==0 (set PYTHON_CMD=py -3) else (set PYTHON_CMD=python)
 if not exist "%VENV_DIR%" (
     echo Creating local virtualenv in %VENV_DIR% using: %PYTHON_CMD%
     %PYTHON_CMD% -m venv "%VENV_DIR%"
@@ -26,16 +11,12 @@ if not exist "%VENV_DIR%" (
         echo.
         echo ERROR: Could not create a Python 3 virtualenv.
         echo Make sure Python 3 is installed from https://www.python.org/downloads/
-        echo and that "py -3 --version" or "python --version" reports Python 3.x
-        echo ^(your "python" currently points to: %PYTHON_CMD%^)
         exit /b 1
     )
     "%VENV_DIR%\Scripts\python.exe" -m pip install --upgrade pip
     "%VENV_DIR%\Scripts\pip.exe" install platformio
 )
-
 set PIO=%VENV_DIR%\Scripts\pio.exe
-
 if "%~1"=="" (
     echo Auto-detecting upload port...
     "%PIO%" run --target upload
@@ -43,11 +24,6 @@ if "%~1"=="" (
     echo Using forced upload port: %~1
     "%PIO%" run --target upload --upload-port %~1
 )
-
-if errorlevel 1 (
-    echo Deploy FAILED.
-    exit /b 1
-)
-
+if errorlevel 1 (echo Deploy FAILED. & exit /b 1)
 echo Build + flash complete.
 endlocal