Add arxiv tag to frontmatter and author affiliations to README header

fix: rewrite README with paper-verified data, correct title, model names and task taxonomy

Upload polaris_bench.parquet (lightweight metadata-only parquet)

Update Dataset Card: add viewer config, taxonomy, Cartesian Shortcut overview, and remove placeholders

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Upload data/test-00004-of-00005.parquet

Upload data/test-00003-of-00005.parquet

Upload data/test-00002-of-00005.parquet

Upload data/test-00001-of-00005.parquet

Upload data/test-00000-of-00005.parquet

Upload polaris_bench.json

Update README.md

Update Dataset Card with metadata, licensing, and inspirations

initial commit