Delete metadata/reconstruction.md

metadata/reconstruction.md

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-# Reconstruction
-
-## What this release contains
-
-- Public QA tables for `eval` and `sft`.
-- Split manifests and split counts.
-- Public release-relative references for each item.
-
-## What this release does not contain
-
-- Full raw videos.
-- Full extracted frame caches.
-- Local absolute paths used during internal development.
-- Separate structured task-meta fields.
-
-## How to use the public references
-
-Each row exposes three reconstruction-oriented fields:
-
-- `visual_ref`
-- `source_episode_ref`
-- `reconstruction_key_json`
-
-These are designed to be stable, path-free references. They are sufficient to map a released item back to the corresponding source episode or recording once you have obtained the upstream dataset under its original terms.
-
-## Source-specific units
-
-- `GM-100`: grouped by `(task_id, episode_id)`.
-- `RH20T`: grouped by `recording_id`.
-- `REASSEMBLE`: grouped by `recording_id`.
-- `AIST-Bimanual`: grouped by `recording_id`.
-
-## Expected workflow
-
-1. Obtain upstream datasets under their original terms.
-2. Use `source`, `source_task_id`, `source_unit_id`, `camera`, and `frame_indices_json` from the public release.
-3. Reconstruct the required visual inputs with the source-specific evaluation scripts in the main codebase.
-
-## Release policy
-
-This Hugging Face release is a reviewable minimal closed loop for metadata, QA, splits, statistics, and baseline results. Full visual reconstruction remains upstream-data dependent.