- Updated .gitignore to exclude Poly Haven HDR downloads used for environment texture regeneration.
- Modified Makefile to support optional test filtering via CTEST_FILTER for more targeted test execution.
- Added new functionality in graphics tests, including a preview window for live rendering and enhanced environment map handling in IBL tests.
- Introduced new helper functions for file reading and cubemap creation, improving the robustness of texture loading in tests.
- Enhanced Lighting2D tests with a new preview feature to visualize the lit scene during tests.