cactus183/patchbench-dev

Fix /reset to accept empty body, /step returns 400 not 422

Add HF Space YAML frontmatter to README

Upgrade 7.5: honest README reframe for flat one-shot ceiling

Upgrade 7: real 9-task baseline, honest reframe

Upgrades 4-6: episode walkthrough, data flow diagram, task taxonomy

Upgrade 2+3: reward breakdown in grader, 3 new tasks (9 total)

Upgrade 1: real Qwen 72B baseline scores

Add infrastructure: Dockerfile, server, inference.py, openenv.yaml, pyproject.toml, requirements.txt, README

Add .gitignore and remove cached pyc files

Environment core: models, grader, environment, 6 tasks