Set Space card emoji to stethoscope

Drop emoji from Space card

Bump gradio sdk_version to 5.49.1 (4.44 imports HfFolder removed in huggingface_hub 1.0)

Pin python_version=3.11 to fix audioop ModuleNotFoundError on Py3.13

Initial Space: Gradio app + cv_baseline_fold5 (Test top-1 0.8152)

initial commit