Strengthen packaged server artifact checks

deploy.bat

@@ -39,15 +39,19 @@ if not exist "!SERVER_DIR!\CommonwealthOnline.Server.exe" (
     exit /b 1
 )
 
-if exist "!SERVER_DIR!\*.py" (
-    echo ERROR: Python source found in staged server package.
-    exit /b 1
+set PROHIBITED_FOUND=0
+for /r "!SERVER_DIR!" %%F in (*.py *.pyw *.pyi *.pyc *.pyo *.whl *.egg requirements*.txt Pipfile Pipfile.lock pyproject.toml poetry.lock setup.py setup.cfg tox.ini) do (
+    if exist "%%F" (
+        echo ERROR: Prohibited legacy runtime artifact found in staged package: %%F
+        set PROHIBITED_FOUND=1
     )
+)
+if "!PROHIBITED_FOUND!"=="1" exit /b 1
 
 echo.
 echo Deployment complete:
 echo   !DEPLOY_DIR!\CommonwealthOnlineHost.exe
 echo   !SERVER_DIR!\CommonwealthOnline.Server.exe
 echo.
-echo Copy the entire Release directory when distributing. Python and a separate .NET runtime are not required.
+echo Copy the entire Release directory when distributing. The bundled server is self-contained.
 exit /b 0