{
  "context": "Evaluates whether the agent correctly uses PubNub Functions KVStore with proper TTL units, atomic counter APIs, and vault-based secret management. Tests knowledge of KVStore-specific API design choices that differ from typical key-value stores.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "TTL in minutes",
      "description": "db.set() calls include a TTL parameter expressed in minutes (not seconds), e.g., 1440 for 24 hours or 60 for 1 hour",
      "max_score": 25
    },
    {
      "name": "incrCounter for counting",
      "description": "Counting operations use db.incrCounter(key) for atomic increments, not db.get()+db.set() with manual arithmetic",
      "max_score": 25
    },
    {
      "name": "getCounter to read",
      "description": "Counter values are read with db.getCounter(key), not db.get(key), since counters use a separate API",
      "max_score": 15
    },
    {
      "name": "Vault for secrets",
      "description": "API keys or credentials are retrieved from vault.get() rather than being hardcoded in the function code",
      "max_score": 20
    },
    {
      "name": "Vault null check",
      "description": "Code checks if vault.get() returns null (secret not configured) and handles the case with an error or fallback",
      "max_score": 15
    }
  ]
}