Add investor startup sequence

Scripts/PackageWindowsDevelopment.bat

@@ -5,9 +5,11 @@ set "PROJECT_DIR=%~dp0.."
 set "PROJECT_FILE=%PROJECT_DIR%\AgrarianGame.uproject"
 set "UE_ROOT=C:\Program Files\Epic Games\UE_5.7"
 set "RUN_UAT=%UE_ROOT%\Engine\Build\BatchFiles\RunUAT.bat"
+set "BUILD_BAT=%UE_ROOT%\Engine\Build\BatchFiles\Build.bat"
 set "ARCHIVE_DIR=%PROJECT_DIR%\Builds\WindowsDevelopment"
 set "LOG_DIR=%PROJECT_DIR%\Saved\BuildLogs"
 set "LOG_FILE=%LOG_DIR%\PackageWindowsDevelopment.log"
+set "BUILD_LOG_FILE=%LOG_DIR%\PackageWindowsBuild.log"
 
 if not exist "%LOG_DIR%" mkdir "%LOG_DIR%"
 if not exist "%ARCHIVE_DIR%" mkdir "%ARCHIVE_DIR%"
@@ -18,6 +20,12 @@ if not exist "%RUN_UAT%" (
   exit /b 1
 )
 
+if not exist "%BUILD_BAT%" (
+  echo Unreal Engine 5.7 Build.bat was not found at:
+  echo %BUILD_BAT%
+  exit /b 1
+)
+
 if not exist "%PROJECT_FILE%" (
   echo Project file was not found at:
   echo %PROJECT_FILE%
@@ -28,12 +36,28 @@ echo Packaging Agrarian Windows Development build...
 echo Archive: %ARCHIVE_DIR%
 echo Log: %LOG_FILE%
 
+echo Building packaged targets without Unreal Build Accelerator...
+(
+  call "%BUILD_BAT%" AgrarianGameEditor Win64 Development -Project="%PROJECT_FILE%" -WaitMutex -architecture=x64 -NoUBA
+  call "%BUILD_BAT%" AgrarianGame Win64 Development -Project="%PROJECT_FILE%" -WaitMutex -architecture=x64 -NoUBA
+) > "%BUILD_LOG_FILE%" 2>&1
+
+set "BUILD_EXIT_CODE=%ERRORLEVEL%"
+type "%BUILD_LOG_FILE%"
+
+if not "%BUILD_EXIT_CODE%"=="0" (
+  echo.
+  echo Target build failed with exit code %BUILD_EXIT_CODE%.
+  echo Log file: %BUILD_LOG_FILE%
+  exit /b %BUILD_EXIT_CODE%
+)
+
 call "%RUN_UAT%" BuildCookRun ^
   -project="%PROJECT_FILE%" ^
   -noP4 ^
   -platform=Win64 ^
   -clientconfig=Development ^
-  -build ^
+  -skipbuild ^
   -cook ^
   -stage ^
   -pak ^