fix(server): 赛事包导出传入项目名，修复 GET /api/export/project.zip 恒 500

deploy/build.bat

@@ -53,6 +53,8 @@ REM config.json must sit next to the exe: the console resolves it from the exe d
 copy /y "console\config.json" "%CONSOLE_OUT%\config.json" >nul || exit /b 1
 copy /y "dist\scoreboard.exe" "%CONSOLE_OUT%\scoreboard.exe" >nul || exit /b 1
 copy /y "config.yaml" "%CONSOLE_OUT%\config.yaml" >nul || exit /b 1
+REM app icon: the console loads it from the exe directory for tray / window icon
+copy /y "console\scoreboard.png" "%CONSOLE_OUT%\scoreboard.png" >nul || exit /b 1
 
 echo.
 echo === 构建完成 ===