Finalize checkpoint-first evaluation and sandbox submission workflow.

Harden hackathon readiness and surface reproducible evidence.

fix UI button initialization regression on Spaces

updated EICC v2 environment, APIs, and training pipeline

updated Frontend

added error toasts

updated frontend

updated frontend

updated frontend

updated frontend

updated frontend

updated frontend

updated frontend

updated frontend

made frontend

Run baseline on easy/medium/hard; fix /inference score from last [END]

Clean up /reset empty-body handling: use default ResetRequest

Make /reset accept empty body gracefully

Enhance customer support environment with reward breakdown and new dependencies. Added detailed reward breakdown for actions, including classification, routing, response, escalation, and resolution. Updated `pyproject.toml` to include new dependencies: OpenAI, FastAPI, Uvicorn, and OpenEnv core. Improved internal state management to track last reward breakdown for interpretability.