Release update 2026-11-05: new sessions, instructions, annotations (part 224)

.gitattributes

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+ "session": "EgoMotionActions/20261027/LM26/20261027_061422_session8",
+ "session_id": "20261027_061422_session8",
+ "primitive": "LM26",
+ "batch": "20261027",
+ "participant": "xiaobo",
+ "participant_source": "manifest",
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+ "generated_by": "scripts/sync_dataset.py",
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+ "units": {
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+  "mag": "raw counts, scale unconfirmed (data suggests 163.84 LSB/uT, see knowledge_base sanity doc)",
+  "quaternions": "xyzw, Nokov global"
+ },
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+  "date": "2026-10-21"
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+ "flags": [],
+ "sanity": "no sanity report covers this session (run scripts/sanity_check.py)",
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+  "compose": "T_world_cam(t) = T_world_tracker0(t) @ T_tracker0_cam"
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+  "camera_pose_source": "T_tracker0_imu0 @ inv(T_cam_imu)",
+  "files": [
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+   "tracker0_zup.npz",
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+   "cameras_zup.npz"
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