fix: 修复Windows打包Python 3.13兼容性问题

- 升级SQLAlchemy到2.0.36+以支持Python 3.13
- 升级PyQt6到6.7.0+解决DLL加载问题
- 添加setuptools作为构建依赖
- 添加build/dist清理步骤
- 改进输出格式和错误信息

build.bat

@@ -6,7 +6,7 @@ REM ================================
 REM Change to project directory
 cd /d "%~dp0"
 
-REM Check Python and install PyInstaller if needed
+REM Check Python
 echo Checking Python...
 python --version 2>nul
 if errorlevel 1 (
@@ -15,51 +15,60 @@ if errorlevel 1 (
     exit /b 1
 )
 
+REM Get Python version
+for /f "tokens=2" %%i in ('python --version 2^>^&1') do set PYVER=%%i
+echo Detected Python %PYVER%
+
 echo.
-python -m pip list 2>nul 2>&1 | findstr /I "PyInstaller" /I "install"
+echo 1/5. Installing PyInstaller...
-if errorlevel 1 (
+python -m pip install --user pyinstaller 2>nul
-    echo PyInstaller not found, installing now...
-    python -m pip install --user pyinstaller
-    echo.
-    echo NOTE: This may take a minute...
-)
-    python -m pip list 2>nul 2>&1 | findstr /I "PyInstaller" /I "installed"
-    echo.
-    echo If PyInstaller is installed, will proceed with build.
-)
 
-REM Check PyQt6 availability
+echo.
-python -c "import PyQt6.QtCore" 2>nul 2>&1
+echo 2/5. Installing dependencies (compatible with Python 3.13)...
-if errorlevel 1 (
+REM Use SQLAlchemy 2.0.36+ for Python 3.13 compatibility
-    echo.
+python -m pip install --user "sqlalchemy>=2.0.36" 2>nul
-    echo PyQt6 Core not available, will install now...
+python -m pip install --user "PyQt6>=6.7.0" 2>nul
-    python -m pip install --user pyqt6-core
-    echo.
-)
-)
-
-REM Install all required dependencies
-echo Installing all dependencies...
-python -m pip install --user pyqt6-gui 2>nul
-python -m pip install --user sqlalchemy 2>nul
 python -m pip install --user pyyaml 2>nul
 python -m pip install --user requests 2>nul
 python -m pip install --user pillow 2>nul
 python -m pip install --user pyperclip 2>nul
 
+REM Install build dependencies
+python -m pip install --user setuptools 2>nul
+
 echo.
-echo 3/5. Building lightweight version...
+echo 3/5. Cleaning previous build...
-python -m PyInstaller --noconfirm --name "CutThenThink" --windowed --onefile --add-data "src:src" --hidden-import=PyQt6.QtCore --hidden-import=PyQt6.QtGui --hidden-import=PyQt6.QtWidgets --hidden-import=sqlalchemy src/main.py
+if exist build rmdir /s /q build
+if exist dist rmdir /s /q dist
+
+echo.
+echo 4/5. Building executable...
+python -m PyInstaller ^
+    --noconfirm ^
+    --name "CutThenThink" ^
+    --windowed ^
+    --onefile ^
+    --add-data "src:src" ^
+    --hidden-import=PyQt6.QtCore ^
+    --hidden-import=PyQt6.QtGui ^
+    --hidden-import=PyQt6.QtWidgets ^
+    --hidden-import=sqlalchemy ^
+    src/main.py
+
 if errorlevel 1 (
+    echo.
+    echo ================================
     echo Build Failed!
+    echo ================================
     pause
     exit /b 1
 )
 
+echo.
 echo ================================
 echo Build Complete!
 echo Executable: dist\CutThenThink.exe
-echo File size (without PaddleOCR): ~30-50 MB
+echo File size: ~30-50 MB
 echo ================================
 echo.
 echo On first run, app will auto-download and install PaddleOCR.