Release update 2026-11-05: 5760 sessions, instructions, annotations (part 277)

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+ "session_id": "20261028_055925_session68",
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+  "frame": "canonical (meta.canonical): Z-up metres; fitted in Nokov frame, global_orient/transl rotated, *_nokov kept",
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+     "after": 1.44
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+   "note": "constant wrist rotation (marker-fit gauge freedom) removed; marker predictions unchanged"
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