- Refactored header includes for Performance Profiler and Dashboard to reflect new directory structure under `app/gfx/performance/`.
- Introduced a new `EmulatorTestSuite` class to validate core emulator components, including APU, SPC700, and debugging features.
- Enhanced test suite with detailed test cases for APU handshake, SPC700 cycle accuracy, breakpoint management, and audio backend functionality.
- Removed outdated `test_dungeon_objects.cc` file from the test suite to streamline testing focus.
cbcf1e40be