recording.viser: include sam3d object meshes (fix stale ply_path); README: viewer:false + snapshot_download docs

.gitattributes

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README.md

@@ -3,6 +3,7 @@ license: other
 license_name: fair-noncommercial-research-license-v1
 license_link: https://huggingface.co/datasets/Rice-RobotPI-Lab/egoinfinity/blob/main/LICENSE-Action100M
 pretty_name: EgoInfinity
+viewer: false
 tags:
   - egocentric
   - hand-tracking
@@ -57,6 +58,34 @@ samples/
     └── pose_track.json        # full per-object tracker timeseries
 ```
 
+## Downloading
+
+This dataset ships per-clip directories of mp4 / npz / bin / ply / json
+files — it is **not** a tabular dataset. The HF auto-loader (`load_dataset(...)`)
+will fail because the per-file JSON schemas are intentionally heterogeneous
+(`scene.json`, `signals.json`, `hand_meta.json`, etc. each describe a
+different aspect of the clip). Use `snapshot_download` instead:
+
+```python
+from huggingface_hub import snapshot_download
+root = snapshot_download(
+    repo_id="Rice-RobotPI-Lab/egoinfinity",
+    repo_type="dataset",
+    # Optional: pull only what you need.
+    # allow_patterns=["samples/index.json", "samples/<clip_id>/*"],
+)
+# root / "samples" / "<clip_id>" now has all assets for that clip.
+```
+
+To grab a single clip:
+
+```python
+from huggingface_hub import hf_hub_download
+hf_hub_download(repo_id="Rice-RobotPI-Lab/egoinfinity",
+                repo_type="dataset",
+                filename="samples/<clip_id>/scene.json")
+```
+
 ## Loading raw arrays
 
 ```python

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+  "_license": "This sample is a derivative work of Action100M and is distributed under FAIR Noncommercial Research License v1. See LICENSE-Action100M for terms."
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