{
  "session_id": "session_data_20260330_090629",
  "total_duration_s": 516.1,
  "n_input_spans": 124,
  "session_goal": "Rinse and cook rice, prepare yellow lentils with spices, add onion and tomatoes, then stir pots and adjust heat.",
  "sub_goals": [
    {
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      "start_time": 0.0,
      "end_time": 133.0,
      "description": "Rinse uncooked rice, place on left burner, add ingredient, stir, and arrange metal plates and dough.",
      "episodes": [
        {
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          "end_time": 86.0,
          "description": "Rinse uncooked rice in metal bowl, drain in sieve, transfer to clean bowl, and place on left stove burner.",
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        {
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          "end_time": 113.0,
          "description": "Arrange metal plates and dough, wipe hands, place lid on rice bowl, and adjust stove knob.",
          "span_indices": [
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            13,
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            16,
            17
          ]
        },
        {
          "episode_id": 3,
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          "end_time": 133.0,
          "description": "Add ingredient from small container to rice, then stir with metal spoon.",
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            22,
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            25,
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          ]
        }
      ]
    },
    {
      "sub_goal_id": 2,
      "start_time": 133.0,
      "end_time": 227.0,
      "description": "Retrieve large plate and lid, rinse yellow lentils, place in pressure cooker on right burner, lock lid, and turn on heat.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 133.0,
          "end_time": 143.0,
          "description": "Retrieve large metal plate and lid from lower cabinet and place on counter.",
          "span_indices": [
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            30,
            31
          ]
        },
        {
          "episode_id": 2,
          "start_time": 143.0,
          "end_time": 227.0,
          "description": "Rinse yellow lentils in pressure cooker bowl, drain, transfer to stove, lock lid, and turn on heat.",
          "span_indices": [
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          ]
        }
      ]
    },
    {
      "sub_goal_id": 3,
      "start_time": 227.0,
      "end_time": 304.2,
      "description": "Add salt to rice pot, then add oil/ghee, turmeric, chili, coriander, garam masala, and spice paste to dal.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 227.0,
          "end_time": 241.0,
          "description": "Add spoonful of salt from glass jar to rice pot on stove.",
          "span_indices": [
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            55
          ]
        },
        {
          "episode_id": 2,
          "start_time": 241.0,
          "end_time": 304.2,
          "description": "Add oil/ghee, turmeric, chili, coriander, garam masala, and spice paste to dal pressure cooker.",
          "span_indices": [
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            83
          ]
        }
      ]
    },
    {
      "sub_goal_id": 4,
      "start_time": 304.2,
      "end_time": 430.8,
      "description": "Peel and cut onion, wash and cut four tomatoes, add to pot, then wash and add onion pieces.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 304.2,
          "end_time": 346.4,
          "description": "Peel onion with knife on countertop and cut into halves.",
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            90,
            91
          ]
        },
        {
          "episode_id": 2,
          "start_time": 346.4,
          "end_time": 430.8,
          "description": "Wash and cut four tomatoes, add to pot, then wash and cut onion halves and add to pot.",
          "span_indices": [
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          ]
        }
      ]
    },
    {
      "sub_goal_id": 5,
      "start_time": 430.8,
      "end_time": 513.5,
      "description": "Wipe counter, stir vegetable pot, add produce, wash lid, place lid, stir rice pot, adjust heat, and walk to exit.",
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        {
          "episode_id": 1,
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          "span_indices": [
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          ]
        },
        {
          "episode_id": 2,
          "start_time": 485.5,
          "end_time": 513.5,
          "description": "Stir rice pot with white liquid, adjust burner knobs, and walk towards exit.",
          "span_indices": [
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          ]
        }
      ]
    }
  ]
}