{
  "session_id": "session_data_20260407_080001",
  "total_duration_s": 827.5,
  "n_input_spans": 82,
  "session_goal": "Sew yellow floral fabric with yellow trim using a sewing machine, scissors, and thread.",
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          "description": "Move completed fabric aside and sort sewing supplies.",
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          "description": "Align and sew yellow trim onto remaining fabric edge.",
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}