Verified project scaffolding is complete and working: ## Files Present - pyproject.toml - Complete with project metadata, dependencies, dev/local extras - Makefile - Targets for install, test, clean, lint, run - src/librechat_audio/__init__.py - Exports TTSClient, STTClient, calculate_wer, etc. - src/librechat_audio/models/__init__.py - LocalSTTClient support ## QA Verification 1. `make install` - SUCCESS (pip install -e .[dev]) 2. `python -c 'import librechat_audio'` - SUCCESS (imports with version 0.1.0) 3. `make test-unit` - SUCCESS (29/29 tests pass) No changes needed - scaffolding was already implemented in previous commits.