add processing time note

add live HF Space URL to README

bind to 0.0.0.0 for HF proxy

add suno_postprocessor.py

add note-seq dependency

rename Dockerfile for HF Spaces

switch to Docker Space (Python 3.11 for TF compat)

strip heavy deps for CPU-basic - TF/Demucs too big for free tier

fix gradio version conflict

fix HF Space config - remove pinned, lower gradio version

Initial commit: Tab Agent MVP with Basic Pitch