Add Windows autostart setup

.gitignore

@@ -7,6 +7,7 @@ wheels/
 *.egg-info
 tests/resource/
 docutranslate/output/
+logs/
 # Shared glossary runtime data
 data/
 # Virtual environments

setup_autostart.bat

@@ -0,0 +1,45 @@
+@echo off
+setlocal
+
+cd /d "%~dp0"
+
+set "TASK_NAME=DocuTranslate"
+set "PROJECT_DIR=%~dp0"
+set "RUN_BAT=%PROJECT_DIR%run.bat"
+set "LOG_DIR=%PROJECT_DIR%logs"
+set "LOG_FILE=%LOG_DIR%\autostart.log"
+
+if not exist "%RUN_BAT%" (
+    echo [ERROR] Cannot find "%RUN_BAT%".
+    pause
+    exit /b 1
+)
+
+if not exist "%LOG_DIR%" mkdir "%LOG_DIR%"
+
+REM Create a startup task. Run this file as Administrator.
+REM The task runs as SYSTEM, so it can start after reboot before desktop login.
+schtasks /Create ^
+    /TN "%TASK_NAME%" ^
+    /SC ONSTART ^
+    /RU SYSTEM ^
+    /RL HIGHEST ^
+    /TR "cmd.exe /c cd /d ""%PROJECT_DIR%"" && ""%RUN_BAT%"" >> ""%LOG_FILE%"" 2>&1" ^
+    /F
+
+if not "%ERRORLEVEL%"=="0" (
+    echo.
+    echo [ERROR] Failed to create scheduled task. Please run this file as Administrator.
+    pause
+    exit /b 1
+)
+
+echo.
+echo [OK] Scheduled task "%TASK_NAME%" has been created.
+echo [OK] It will run "%RUN_BAT%" at system startup.
+echo [OK] Log file: "%LOG_FILE%"
+echo.
+echo You can start it now with:
+echo schtasks /Run /TN "%TASK_NAME%"
+echo.
+pause