{
  "context": "This criteria evaluates the engineer's proficiency in using Storybook's Addon System to create a custom addon with panel registration, event tracking, and manager-preview communication. The focus is on proper usage of Storybook's addon APIs, including the Manager API, Preview API, and channel-based communication system.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Addon Registration",
      "description": "Uses addons.register() from @storybook/manager-api to properly register the addon with a unique addon ID",
      "max_score": 15
    },
    {
      "name": "Panel Registration",
      "description": "Uses addons.add() to register a panel with type PANEL, including proper panel configuration (title, render function)",
      "max_score": 20
    },
    {
      "name": "Channel Communication",
      "description": "Uses addons.getChannel() to access the communication channel and properly listens to events using channel.on() for story rendering and args updates",
      "max_score": 25
    },
    {
      "name": "Event Handling",
      "description": "Correctly listens to STORY_RENDERED and UPDATE_STORY_ARGS (or similar relevant events) to track story views and args changes",
      "max_score": 20
    },
    {
      "name": "Panel Component",
      "description": "Implements a functional panel component that renders analytics data, using proper React component patterns if using React, or alternative rendering approach",
      "max_score": 10
    },
    {
      "name": "State Management",
      "description": "Properly manages analytics state (story views, args updates) with appropriate data structures and updates the UI when data changes",
      "max_score": 10
    }
  ]
}