Revert: remove COPY model files, use huggingface_hub download instead

Dockerfile

@@ -44,11 +44,7 @@ COPY start.sh /app/start.sh
 COPY ui.py /app/ui.py
 RUN chmod +x /app/start.sh
 
-# Copy character models directly into image (bake in at build time)
 RUN mkdir -p /data/models /data/audio /tmp/uploads
-COPY aimisi-e16.ckpt /data/models/aimisi-e16.ckpt
-COPY aimisi_e10_s180.pth /data/models/aimisi_e10_s180.pth
-COPY zh_vo_MAIN_YHX_2_12.wav /data/models/zh_vo_MAIN_YHX_2_12.wav
 
 EXPOSE 7860
 CMD ["/app/start.sh"]