FINAL: 11-bug fix — scoped CSS, session_state persistence, error handling, diff renderer, binary safety

UI: Switched code view to high-contrast Light Theme and fixed invisible metric values.

UI: Finalized High-Contrast Production Dashboard and fixed connection logic leak.

UI: Restored custom config features and fixed high-contrast visibility.

Security: Masked internal secrets in the UI advanced settings.

UI Overhaul: Implemented Premium Command Center (Glassmorphism + Connection Shield).

Fixed app.py corruption and removed duplicate init_state.

Rebuild trigger for HF Space.

Fix: Added missing reward_history initialization to session state.

Integrated NVIDIA internal models and zero-config secrets.

UI Fix: Corrected expander and caption visibility for high contrast.

UI Overhaul: Added model presets, onboarding guide, and simplified settings.

Final production readiness fixes: UI contrast, Groq support, dynamic headers, and removal of hardcoded elements.

Fix Phase 1 Validation: Implement FastAPI Gateway on port 7860

Initial Release v1.0 - Judge Ready