Fix Gemma3 hidden-size handling and add built-in example NIfTI

Fix MedGemma fallback diagnostics and require Gemma3-compatible transformers

Remove upload/status banners and set transformers minimum

Improve MedGemma diagnostics and health-history parsing

Extract HF foundation embeddings and feed classifier

Simplify UI and enable MedGemma/MedSigLIP by default

Run checkpoint sync server-side at Space startup

Improve HF asset sync diagnostics and validation

Update UI fields/context, remove sidebar, add URL input fallback for 403, and fetch pipeline figure as runtime asset

Set up inference-only HyperClinical Streamlit app with runtime HF asset download

Duplicate from streamlit/streamlit-template-space