Release update 2026-11-05: new sessions, instructions, annotations (part 130)

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+  "betas_source": "participant median (derived/smplx/participants.json)",
+  "frame": "canonical (meta.canonical): Z-up metres; fitted in Nokov frame, global_orient/transl rotated, *_nokov kept",
+  "pelvis": "transl + rest_joints(betas)[0] (transl is NOT the pelvis)",
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+   "hand_pose": "flat (zeros, flat_hand_mean=True)",
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+   "WaistLFront 12mm",
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