ci(workflow): 更新 Flutter 版本至 3.24.3 并添加回退检查

添加 Windows 平台 Flutter 安装脚本，支持版本 3.35.5

.gitea/workflows/docker.yml

@@ -188,11 +188,19 @@ jobs:
           exit 1
         }
 
-    - name: Setup Flutter
+    - name: Setup Flutter 3.24.3
       uses: subosito/flutter-action@v2
       with:
-        flutter-version: '3.35.5'
+        flutter-version: '3.24.3'
         channel: 'stable'
+
+    - name: Checkout Flutter 3.35.5
+      shell: powershell
+      run: |
+        Set-Location $env:FLUTTER_ROOT
+        git fetch --tags
+        git checkout 3.35.5
+        flutter --version
     - name: Enable Windows desktop
       run: flutter config --enable-windows-desktop
 

install_flutter.bat

@@ -0,0 +1,41 @@
+@echo off
+REM 安装 Flutter SDK on Windows
+
+REM 设置安装目录
+set FLUTTER_DIR=C:\flutter
+
+REM 检查是否已安装 Flutter
+where flutter >nul 2>nul
+if %errorlevel% == 0 (
+    echo Flutter 已安装，正在检查版本...
+    flutter --version
+    goto :end
+)
+
+REM 如果未安装，下载 Flutter SDK
+echo 下载 Flutter SDK...
+powershell -Command "Invoke-WebRequest -Uri 'https://storage.googleapis.com/flutter_infra_release/releases/stable/windows/flutter_windows_3.35.5-stable.zip' -OutFile 'flutter.zip'"
+
+REM 创建目录
+if not exist "%FLUTTER_DIR%" mkdir "%FLUTTER_DIR%"
+
+REM 解压
+echo 解压 Flutter SDK 到 %FLUTTER_DIR%...
+powershell -Command "Expand-Archive -Path 'flutter.zip' -DestinationPath '%FLUTTER_DIR%' -Force"
+
+REM 添加到 PATH（临时）
+set PATH=%FLUTTER_DIR%\flutter\bin;%PATH%
+
+REM 永久添加 PATH（需要管理员权限）
+echo 请手动将 %FLUTTER_DIR%\flutter\bin 添加到系统 PATH 环境变量。
+echo 或者运行以下命令作为管理员：
+echo setx /M PATH "%PATH%;%FLUTTER_DIR%\flutter\bin"
+
+REM 运行 flutter doctor
+flutter doctor
+
+REM 清理
+del flutter.zip
+
+:end
+pause