fix: meta/info.json splits → 0:24687 and normalize to canonical feature schema

fix: remap annotation.human.task_name/task_description to global task-table indices (27 files)

fix: remap annotation.human.task_name/task_description to global task-table indices (50 files)

Dataset card: stats + collection link

Merge v3.0 flat dataset from nested source

initial commit