- Fix indentation in test files and supervisor code
- Add missing newlines at end of files
- Clean up documentation formatting
- Fix buffer pool pointer return type
- remove redundant error logging in audio supervisor stop calls
- add buffer pool for memory optimization in audio relay and ipc
- return default metrics when process is not running
- add channel closed flags to prevent double closing
- standardize component naming and logging
- add comprehensive documentation for audio components
- improve test coverage with new unit tests