Integrate trained NumZoo LoRA into the app

Remove audioop-lts from requirements — only needed on Python 3.13+

Fix: remove gradio from requirements.txt, bump sdk_version to 6.17.3

Fix: pin gradio>=6.0.0 to resolve HfFolder import error on Python 3.13

Fix audioop-lts for Python 3.13 + add CLAUDE.md agent guidelines

Initial release of MathAnimaux 🐾