fix: point frontend to hugging face api and relax backend CORS

feat: wire frontend buttons to API + fix HF Spaces config

Added Head-to-Head Compare UI and Endpoint

Added crash detection feature and full 2014-2026 prerace dataset

Fix MLflow deprecation error and fallback model loading

Add dynamic mlruns path patching and MLflow URI default on startup

Add Docker deployment config + model artifacts for HF Spaces

Initial commit: KRONECTOR MLOps & Multi-Agent AI system