Fix log_end: clamp score and use 4dp to avoid score=0.00 in [END] log

Fix grader: save WS episodes to _completed, fix episode_id in _grade

Clamp grader scores to (0.001, 0.999) — validator requires strictly (0, 1)

Fix inference.py to match checklist exactly

Fix Docker base image tag and sync success_criteria across files

Fix inference.py: correct log format, robust OpenAI client, always exit 0

Rewrite inference.py: drop openai SDK, use requests + rule-based fallback

Fix unhandled exception in OpenAI client init

Add CLAUDE.md with architecture and dev commands

Fix /reset to accept empty/null body from automated checker

Fix uvicorn app reference to avoid server/ package shadowing server.py

Fix README: update reward formula, tasks table, remove duplicate line

Complete OpenEnv hackathon submission

Update README

Initial Commit