Fix /grader endpoint: revert to GraderRequest format, inject task_id into state

Align validator task endpoints

Align task and grader interfaces with validator

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Fix Hugging Face Space metadata

Remove tracked temp artifacts

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changes

changes

Merge pull request #1 from arshimehta1/sync-hf-fixes

Restore favicon route and add gitignore to clean up repo

Add .gitignore to exclude venv, pycache, tmp, and output artifacts

second commit

Prepare OpenEnv Space submission

First commit

First commit