- Updated architectural specifications for Phase 19 scenery, backgrounds, and surface finishes to reflect implementation status and user verification results.
- Revised UI/UX specifications for background ground and wall color, plain background, and starter scene composition to indicate successful implementation and verification.
- Enhanced scenery controller and sandbox stage scripts to improve eraser functionality and user interactions.
- Adjusted test cases to align with the latest changes in scenery and background implementations, ensuring all checks pass successfully.
- Added new buttons for wall area erasure in the scenery capture bar and updated layout handling for better user experience.
- Introduced `test_scenery_brick_preview.gd` to validate focused placement and CPU draw-cost for large brick walls.
- Added `test_scenery_surface_cache.gd` to assess texture budget, visual equivalence, and cache invalidation.
- Created `test_scenery_surface_preview.gd` to evaluate adaptive preview selection and placement behavior.
- Implemented various helper functions to measure drawing performance and validate expected behaviors during tests.
- Added unique identifiers for new test files to ensure proper tracking and management.
ryan