use openenv core base classes

force rebuild

commit missing openenv.yaml and server.py changes

fix grader serialization and tasks endpoint

fix /tasks endpoint format for validator

fix reward range to strict (0,1) exclusive

fix server entry point

Make inference fallback to offline SQL correction

Fix server entrypoint packaging and align environment docs

Fix inference startup and healthcheck compatibility

force clean exit code 0

error handling in inference.py

fix state endpoint, author, and init exports

fix remotes and remove stray folder

update ENV_URL to SyncShift space

fix server entry point

fix openenv validate issues

merge and add pyproject.toml

add pyproject.toml

Fix punctuation in README.md

add tasks init file

fix folder structure

resolve readme conflict

initial submission

initial commit