chore: remove internal dataset validation report

docs: clarify test split opt-in requirement in evaluation section

docs: add concise evaluation section with CLI workflows

docs: simplify schema section and update paper/code links

docs: remove Important Evaluation Note section

docs: remove redundant standalone authors section

docs: remove redundant top header and streamline opening paragraph

docs: simplify dataset card to standard benchmark landing page

docs: refine dataset card formulas, visibility taxonomy, and boundaries

docs: refine dataset card for accessibility, failure boundaries, and field visibility

docs: add dataset validation report

feat: initial release of UndoBench benchmark dataset (v1.0.1)

initial commit