fix: pin python_version 3.11 to avoid Py3.13 + gradio 4.44 breakage

fix: audioop stub for Python 3.13, clean UTF-8

fix: correct accelerate newline, no pyaudioop

fix: audioop stub for Python 3.13

fix: remove pyaudioop (not on PyPI), fix via app.py shim

fix: audioop stub for Python 3.13 / pydub compat

fix: remove gradio pin conflict, fix pyaudioop for py3.13

fix: build error in requirements.txt

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initial commit