{
  "context": "This evaluation assesses how effectively the engineer leverages TypeScript type definitions from @sveltejs/kit to create type-safe validation utilities. The focus is on proper usage of the Adapter type, type guards, and compile-time type safety.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Adapter type import",
      "description": "Correctly imports the Adapter type from '@sveltejs/kit' using TypeScript import type syntax",
      "max_score": 20
    },
    {
      "name": "Type guard implementation",
      "description": "Implements isValidAdapter as a proper TypeScript type guard using 'adapter is Adapter' return type predicate",
      "max_score": 25
    },
    {
      "name": "Runtime type checking",
      "description": "Validates adapter properties (name as string, adapt as function, supports as object) at runtime in isValidAdapter",
      "max_score": 20
    },
    {
      "name": "Adapter type usage",
      "description": "Uses the Adapter type annotation for the adapter parameter in supportsFeature function",
      "max_score": 15
    },
    {
      "name": "Type-safe property access",
      "description": "Safely accesses adapter.supports properties with appropriate type checking to avoid runtime errors",
      "max_score": 20
    }
  ]
}