fix: remove env/ from .gitignore — env/ is source code, not a virtualenv

docs: update README and submission_summary to v4.1

feat: v4.1 portfolio MDP — capital tracking + tx_cost on all tasks

feat: IndicatorsEnv v4.0 — multi-stock relative alpha MDP

chore: submodule hygiene and add sample_env

Fix Phase 2 validator: clamp task scores to (0, 1) exclusive and update GraderResult schema

Fix openenv validate: add pyproject.toml, uv.lock, server/app.py entrypoint

Update default MODEL_NAME to Qwen

Trimmed README to focus entirely on OpenEnv submission requirements

Upload inference.py with huggingface_hub

Upload inference.py with huggingface_hub

Compliance: Fixed 5 functional bugs in inference.py (params, task_id, obs keys)

Compliance: Mandatory inference.py with [START]/[STEP]/[END] logging and env var support

Final clean submission