{
  "context": "Tests whether the agent applies mobile battery optimization configuration, background/foreground subscription management, cipherKey-based encryption, efficient listener patterns, and proper initialization with history fetch before subscribe.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Increased heartbeat interval",
      "description": "The PubNub configuration sets heartbeatInterval to a value higher than default (e.g., 120 seconds or more) for battery savings",
      "max_score": 10
    },
    {
      "name": "Increased presence timeout",
      "description": "The PubNub configuration sets presenceTimeout to a higher value (e.g., 600 seconds or more) to complement the increased heartbeat interval",
      "max_score": 10
    },
    {
      "name": "Suppress leave events",
      "description": "The PubNub configuration includes suppressLeaveEvents: true to reduce presence traffic",
      "max_score": 10
    },
    {
      "name": "Background unsubscribe non-critical",
      "description": "When the app goes to background, it unsubscribes from non-critical channels while keeping the critical emergency channel subscribed",
      "max_score": 10
    },
    {
      "name": "Foreground re-subscribe",
      "description": "When the app returns to foreground, it re-subscribes to the channels that were unsubscribed during background",
      "max_score": 8
    },
    {
      "name": "cipherKey for encryption",
      "description": "The PubNub instance is configured with a cipherKey parameter for end-to-end message encryption",
      "max_score": 10
    },
    {
      "name": "History before subscribe",
      "description": "The initialization function fetches recent message history (using fetchMessages) before or as part of subscribing to channels, so the user sees recent messages immediately",
      "max_score": 8
    },
    {
      "name": "Catch-up on foreground",
      "description": "When returning to foreground, the app fetches missed messages (using fetchMessages with a timetoken or similar) for the channels that were unsubscribed",
      "max_score": 10
    },
    {
      "name": "Efficient listener pattern",
      "description": "The message listener uses a queue or batch processing approach rather than doing heavy synchronous processing directly in the callback",
      "max_score": 8
    },
    {
      "name": "Single PubNub instance",
      "description": "Only one PubNub instance is created and reused throughout the module, not a new instance per function call",
      "max_score": 8
    },
    {
      "name": "Encryption storage note",
      "description": "The design notes mention that encrypted messages are stored encrypted and automatically decrypted on retrieval when using the same cipherKey",
      "max_score": 8
    }
  ]
}