Add Ollama fallback support to ai_fixer

Add TGI integration for cloud LLM serving

Serve React frontend from FastAPI backend for one-click access

Finalizing CodeArena RL Benchmark: frontend improvements, GRPO training scripts, and cleaned environment

Complete all tasks: Adaptive curriculum, GRPO, React frontend, LLM-as-a-judge

Upload meta

fix: add safe_reward() clamp at every reward return point

Add normalize_reward(); enforce strict (0,1) on all paths

fix: OpenEnv multi-mode compliance — add main() entrypoint and uv.lock

Production-ready: add server/app.py with fallback-safe /reset, fix Dockerfile, add HF metadata, add task JSON files