{
  "context": "Tests whether the agent uses async-cache-dedupe for async caching with request deduplication, p-limit or p-map for controlled concurrency, a static factory function instead of an async constructor, named exports, env-schema or Zod for environment validation, and avoids NODE_ENV.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "async-cache-dedupe usage",
      "description": "Uses the async-cache-dedupe package (not a plain Map, lru-cache, or node-cache) for caching the async upstream fetch",
      "max_score": 15
    },
    {
      "name": "Cache TTL configured",
      "description": "The async-cache-dedupe cache is configured with a numeric ttl value (seconds)",
      "max_score": 10
    },
    {
      "name": "p-limit or p-map usage",
      "description": "Uses p-limit or p-map to cap the number of concurrent upstream calls (not Promise.all without a limit)",
      "max_score": 15
    },
    {
      "name": "Factory function pattern",
      "description": "The service class or object is created via a static async factory method or a standalone async factory function (not via `new` with async logic in the constructor)",
      "max_score": 10
    },
    {
      "name": "Named exports",
      "description": "The module uses named exports (export function / export class / export const) rather than a default export for the primary service",
      "max_score": 10
    },
    {
      "name": "Env-schema or Zod validation",
      "description": "Environment variables are validated using env-schema (with TypeBox) or Zod before use, rather than reading process.env directly without validation",
      "max_score": 10
    },
    {
      "name": "No NODE_ENV branching",
      "description": "Does NOT use process.env.NODE_ENV to conditionally change behavior; uses dedicated named environment variables (e.g. LOG_LEVEL, CACHE_TTL) for each concern",
      "max_score": 10
    },
    {
      "name": "No swallowed errors",
      "description": "No catch block that silently ignores errors (empty catch, catch with only a comment, or catch that reassigns to undefined/null without logging or rethrowing)",
      "max_score": 10
    },
    {
      "name": "Error cause chain",
      "description": "When wrapping a lower-level error in a higher-level one, passes the original error via the { cause: originalError } option",
      "max_score": 10
    }
  ]
}