feat(dataset): add evaluation annotations and semantic labels

feat(dataset): add regenerated Task3 parquet

feat(dataset): add Task2 parquet batch 21

feat(dataset): add Task2 parquet batch 20

feat(dataset): add Task2 parquet batch 19

feat(dataset): add Task2 parquet batch 18

feat(dataset): add Task2 parquet batch 17

feat(dataset): add Task2 parquet batch 16

feat(dataset): add Task2 parquet batch 15

feat(dataset): add Task2 parquet batch 14

feat(dataset): add Task2 parquet batch 14

feat(dataset): add Task2 parquet batch 13

feat(dataset): add Task2 parquet batch 12

feat(dataset): add Task2 parquet batch 11

feat(dataset): add Task2 parquet batch 10

feat(dataset): add Task2 parquet batch 09

feat(dataset): add Task2 parquet batch 08

feat(dataset): add Task2 parquet batch 07

feat(dataset): add Task2 parquet batch 06

feat(dataset): add Task2 parquet batch 05

feat(dataset): add Task2 parquet batch 04

feat(dataset): add Task2 parquet batch 03

feat(dataset): add Task2 parquet batch 02

feat(dataset): add Task2 parquet batch 01

docs(dataset): document Task2 parquet release

feat(dataset): add Task1 queries

chore(dataset): add task directory placeholders

docs(readme): simplify benchmark statistics

docs(readme): refine dataset card header

docs(readme): restore compact link badges

docs(readme): remove oversized link icons

docs(readme): describe dataset composition

docs(readme): add dataset card and license policy

initial commit