{
  "version": {
    "major": 1,
    "minor": 0,
    "patch": 0
  },
  "metadata": {
    "session_id": "ruchy-session-1756788997",
    "created_at": "2025-09-02T04:56:37.058401620+00:00",
    "ruchy_version": "1.30.1",
    "student_id": null,
    "assignment_id": null,
    "tags": [
      "interactive"
    ]
  },
  "environment": {
    "seed": 0,
    "feature_flags": [],
    "resource_limits": {
      "heap_mb": 100,
      "stack_kb": 8192,
      "cpu_ms": 5000
    }
  },
  "timeline": [
    {
      "id": 1,
      "timestamp_ns": 68153,
      "event": {
        "Input": {
          "text": "sqrt(25)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 2,
      "timestamp_ns": 111361,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"5\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 3,
      "timestamp_ns": 113457,
      "event": {
        "Input": {
          "text": "sqrt(16.0)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 4,
      "timestamp_ns": 117191,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"4\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 5,
      "timestamp_ns": 118313,
      "event": {
        "Input": {
          "text": "abs(-5)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 6,
      "timestamp_ns": 125489,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"5\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 7,
      "timestamp_ns": 126457,
      "event": {
        "Input": {
          "text": "abs(3.14)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 8,
      "timestamp_ns": 128685,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"3.14\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 9,
      "timestamp_ns": 129716,
      "event": {
        "Input": {
          "text": "min(10, 5)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 10,
      "timestamp_ns": 133036,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"5\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 11,
      "timestamp_ns": 134006,
      "event": {
        "Input": {
          "text": "max(8, 12)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 12,
      "timestamp_ns": 136240,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"12\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 13,
      "timestamp_ns": 136962,
      "event": {
        "Input": {
          "text": "pow(2, 3)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 14,
      "timestamp_ns": 139659,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"8\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 15,
      "timestamp_ns": 140881,
      "event": {
        "Input": {
          "text": "pow(3.0, 2.0)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 16,
      "timestamp_ns": 153185,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"9\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 17,
      "timestamp_ns": 154349,
      "event": {
        "Input": {
          "text": "floor(3.8)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 18,
      "timestamp_ns": 157529,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"3\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 19,
      "timestamp_ns": 158611,
      "event": {
        "Input": {
          "text": "ceil(3.2)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 20,
      "timestamp_ns": 161538,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"4\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 21,
      "timestamp_ns": 162300,
      "event": {
        "Input": {
          "text": "round(3.7)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 22,
      "timestamp_ns": 165970,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"4\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 23,
      "timestamp_ns": 167496,
      "event": {
        "Input": {
          "text": "round(3.3)",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 24,
      "timestamp_ns": 170062,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"3\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 25,
      "timestamp_ns": 170744,
      "event": {
        "Input": {
          "text": "",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 26,
      "timestamp_ns": 171586,
      "event": {
        "Input": {
          "text": "2.5 + 1.5",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 27,
      "timestamp_ns": 175384,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"4\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 28,
      "timestamp_ns": 176566,
      "event": {
        "Input": {
          "text": "10.5 - 3.2",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 29,
      "timestamp_ns": 179822,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"7.3\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 30,
      "timestamp_ns": 181057,
      "event": {
        "Input": {
          "text": "3.14159 * 2.0",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 31,
      "timestamp_ns": 183646,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"6.28318\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 32,
      "timestamp_ns": 184532,
      "event": {
        "Input": {
          "text": "22.0 / 7.0",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 33,
      "timestamp_ns": 187436,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"3.142857142857143\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 34,
      "timestamp_ns": 188495,
      "event": {
        "Input": {
          "text": "",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 35,
      "timestamp_ns": 188988,
      "event": {
        "Input": {
          "text": "let radius = 5.0",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 36,
      "timestamp_ns": 200265,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"5\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 37,
      "timestamp_ns": 201460,
      "event": {
        "Input": {
          "text": "let area = 3.14159 * radius * radius",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 38,
      "timestamp_ns": 207105,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"78.53975\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    },
    {
      "id": 39,
      "timestamp_ns": 208266,
      "event": {
        "Input": {
          "text": "area",
          "mode": "Interactive"
        }
      },
      "causality": []
    },
    {
      "id": 40,
      "timestamp_ns": 210863,
      "event": {
        "Output": {
          "result": {
            "Success": {
              "value": "String(\"78.53975\")"
            }
          },
          "stdout": [],
          "stderr": []
        }
      },
      "causality": []
    }
  ],
  "checkpoints": {}
}