Update Dockerfile comment - directory now has multiple files

Revert to standard COPY syntax - files should be in build context

Use . pattern to copy precomputed_data directory contents

Fix COPY syntax: use trailing slash to copy directory contents

Simplify Dockerfile COPY - directory should have .gitkeep file

Fix Dockerfile: Create placeholder before COPY to handle empty directory

Trigger rebuild to verify Dockerfile fix

Update Dockerfile COPY command for precomputed_data - ensure directory has files

Fix Dockerfile COPY command for precomputed_data directory

Add HF Hub download support, increase sample size to 50k

Fix Dockerfile: remove missing cache directory copy

Full-stack HF Spaces deployment: frontend + backend in single container

Move requirements.txt to backend to fix Netlify build

Fix: add utils/data files and update gitignore

Refactor UI: Stack Sans font, remove rounded corners, consolidate navigation

Organize codebase into structured folders