- Frontend: Only show winner banner when there's actual winner (not tie at 0.0 pts)
- Backend: Replace slow LLM fallback with fast Basic RAG reuse (100ms vs 500ms+)
- Reduces unnecessary API calls and improves perceived performance
Fix winner display logic and improve judge scoring differentiation
- Frontend: Now correctly shows winner based on judge_scores.winner (not token metrics)
- Judge: Enhanced prompt to use full 1-10 scale with clear differentiation guidance
- UI: Added tie case handling for judge scores
Fix frontend API endpoint: use current origin on HuggingFace Spaces
