{
  "context": "This criteria evaluates how effectively an engineer uses the oboe package's progressive root access capability to monitor JSON parsing progress in real-time. The focus is on proper use of oboe's streaming API and the .root() method for accessing partial JSON data.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Oboe initialization",
      "description": "Uses oboe() function to create a parser instance from the provided stream",
      "max_score": 15
    },
    {
      "name": "Stream handling",
      "description": "Correctly passes the readable stream to oboe() for parsing",
      "max_score": 10
    },
    {
      "name": ".root() method usage",
      "description": "Uses the .root() method to access the current state of the partially parsed JSON tree at regular intervals",
      "max_score": 30
    },
    {
      "name": "Interval-based monitoring",
      "description": "Implements periodic checking using setInterval or similar mechanism to capture progress snapshots at the specified intervalMs",
      "max_score": 15
    },
    {
      "name": "Progress snapshot data",
      "description": "Constructs progress callback objects with all required fields: timestamp, currentData (from .root()), topLevelCount, and isComplete",
      "max_score": 15
    },
    {
      "name": ".done() completion handling",
      "description": "Uses oboe's .done() method to detect when parsing is complete and to resolve the promise with the final JSON",
      "max_score": 10
    },
    {
      "name": "Error handling",
      "description": "Uses oboe's .fail() method to handle parsing errors and reject the promise appropriately",
      "max_score": 5
    }
  ]
}