Fix HF Spaces deployment: enhanced 5-tab FHE app with best_model.pth via LFS

Add TRUE FHE implementation with CKKS encryption

Fix: Use Gradio 3.50.2 with Blocks API and pinned dependencies

Fix Gradio 2.9.4 API compatibility for HuggingFace Spaces

Fix port binding for Render deployment

Add Render deployment configuration

Deploy to Hugging Face - exclude test dataset

Clean up project structure - remove unnecessary files

Configure Hugging Face deployment

Initial commit: SecureLens privacy-preserving medical AI