add Lua sandbox with timer system (milestones 1-5 complete)

sandbox-test/run_tests.bat

@@ -0,0 +1,59 @@
+@echo off
+setlocal
+
+echo ========================================
+echo    MOSIS SANDBOX TEST RUNNER
+echo ========================================
+echo.
+
+REM Check if build exists
+if not exist "build\Debug\sandbox-test.exe" (
+    echo Build not found. Building...
+    echo.
+
+    REM Check VCPKG_ROOT
+    if "%VCPKG_ROOT%"=="" (
+        echo ERROR: VCPKG_ROOT environment variable not set
+        exit /b 1
+    )
+
+    REM Configure
+    echo Configuring CMake...
+    cmake -B build -DCMAKE_TOOLCHAIN_FILE=%VCPKG_ROOT%/scripts/buildsystems/vcpkg.cmake
+    if errorlevel 1 (
+        echo ERROR: CMake configure failed
+        exit /b 1
+    )
+
+    REM Build
+    echo Building...
+    cmake --build build --config Debug
+    if errorlevel 1 (
+        echo ERROR: Build failed
+        exit /b 1
+    )
+    echo.
+)
+
+REM Run tests
+echo Running tests...
+echo.
+
+cd build\Debug
+sandbox-test.exe %*
+set TEST_RESULT=%errorlevel%
+
+cd ..\..
+
+echo.
+if %TEST_RESULT% equ 0 (
+    echo ========================================
+    echo    ALL TESTS PASSED
+    echo ========================================
+) else (
+    echo ========================================
+    echo    SOME TESTS FAILED
+    echo ========================================
+)
+
+exit /b %TEST_RESULT%