| # SFT-Eval Split Reconstruction |
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| ## Relevant Assets |
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| - QA rows for `eval split` and `sft split` in splits/ |
| - Split manifests and split counts in splits/ |
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| ## How to Tnteprete the QA Rows |
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| Each row exposes three reconstruction-oriented fields: |
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| - `visual_ref` |
| - `source_episode_ref` |
| - `reconstruction_key_json` |
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| 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. |
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| ## Source-specific Units |
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| - `GM-100`: grouped by `(task_id, episode_id)`. |
| - `RH20T`: grouped by `recording_id`. |
| - `REASSEMBLE`: grouped by `recording_id`. |
| - `AIST-Bimanual`: grouped by `recording_id`. |
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| ## Expected Workflow |
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| 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. |
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| ## Optional: QA Rows Field Schema |
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| - `item_id`: Stable public item identifier. |
| - `split`: `eval` or `sft`. |
| - `source`: `GM-100`, `RH20T`, `REASSEMBLE`, or `AIST-Bimanual`. |
| - `source_slug`: Short source slug used in release-relative references. |
| - `source_task_id`: Source-side task identifier without local paths. |
| - `source_unit_type`: Split-isolation unit type, e.g. `episode` or `recording`. |
| - `source_unit_id`: Public unit identifier without local paths. |
| - `task_id`: Canonical paper task ID `T1` ... `T12`. |
| - `task_name`: Canonical paper task name. |
| - `task_type_legacy`: Legacy engineering task name when it differs from paper naming. |
| - `input_type`: Public input format description. |
| - `question`: Public question text. |
| - `choice_A` ... `choice_F`: Flattened answer choices. |
| - `answer`: Public answer label in the release schema. |
| - `answer_text`: Public answer text mapped from `answer`. |
| - `num_choices`: Number of non-null answer choices. |
| - `num_frames`: Number of referenced frames. |
| - `frame_indices_json`: JSON-encoded frame indices. |
| - `display_labels_json`: JSON-encoded panel labels such as `["X", "Y"]` or `["X", "Z", "Y"]`. |
| - `camera`: Source camera identifier when available. |
| - `arm_type`: Source-side arm configuration tag when available. |
| - `visual_ref`: Release-relative visual reference string. This is not a local filesystem path. |
| - `source_episode_ref`: Release-relative source unit reference. |
| - `reconstruction_key_json`: Minimal JSON payload needed to reconstruct the sample with upstream data and source-specific scripts. |
| - `task_meta_in_source`: Whether source-side task metadata/context exists upstream. |
| - `task_meta_public`: Always `false` in this release build. Separate structured task-meta fields are intentionally withheld. |
| - `split_version`: Current split version. |
| - `split_group_id`: Source-side split group identifier. |
| - `builder_version`: Public builder version tag. |
| - `prompt_version`: Public prompt-serialization version tag. |
| - `sft_target`: SFT-only supervised target string. Present only in `processdata_sft.*`. |
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| ### Notes |
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| - `T5` is equivalent to `T_progress`. |
| - `T8` is equivalent to `T_temporal`. |
| - `T9` is equivalent to `T_binary`. |
| - `T8` is normalized into six explicit permutation choices so the public table remains flat and Parquet-friendly. |
| - `T9` is normalized to `A/B` choices even when the source data originally used `X/Y`. |
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