Update dataset JSONL with corrected prompt B summaries

Add NDR data

Remove individual annotator stuff, everything can be anonymous

Add no-cache header for API responses to prevent browser caching

Add global evaluation status and update UI for evaluated items

Enhance authentication with HMAC tokens and implement login overlay in UI

Implement HMAC-based authentication for password protection

Add .gitignore and configure ProxyFix middleware in app

Use persistent storage for database

Add annotation app