Update upload.bat

upload.bat

@@ -1,2 +1,15 @@
+@echo off
+set VENV_DIR=.venv
+
+if exist "%VENV_DIR%" (
+    echo Activating virtual environment...
+    call "%VENV_DIR%\Scripts\activate.bat"
+)
+
+echo Running Python script...
 python upload.py
-pause
+
+if errorlevel 1 (
+    echo An error occurred. Press any key to exit.
+    pause >nul
+)