{
  "context": "The agent must configure Jest for a new TypeScript Node.js project from scratch, including the jest.config.ts file, package.json script entries, and a basic jest.setup.ts file. The configuration should match the project's src-based directory layout.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "ts-jest preset",
      "description": "The jest.config.ts file specifies preset: 'ts-jest' to enable TypeScript compilation for Jest.",
      "max_score": 12
    },
    {
      "name": "node testEnvironment",
      "description": "The jest.config.ts file specifies testEnvironment: 'node'.",
      "max_score": 10
    },
    {
      "name": "roots points to src",
      "description": "The jest.config.ts file sets roots to ['<rootDir>/src'] so Jest only looks for tests inside the src directory.",
      "max_score": 10
    },
    {
      "name": "testMatch for .test.ts files",
      "description": "The jest.config.ts includes a testMatch pattern covering **/__tests__/**/*.test.ts and/or **/*.test.ts files.",
      "max_score": 10
    },
    {
      "name": "collectCoverageFrom set correctly",
      "description": "The jest.config.ts includes collectCoverageFrom: ['src/**/*.ts', '!src/**/*.d.ts'] to include source files and exclude type declaration files.",
      "max_score": 10
    },
    {
      "name": "test script in package.json",
      "description": "package.json includes a 'test' script running 'jest'.",
      "max_score": 8
    },
    {
      "name": "test:watch script in package.json",
      "description": "package.json includes a 'test:watch' script running 'jest --watch'.",
      "max_score": 8
    },
    {
      "name": "test:coverage script in package.json",
      "description": "package.json includes a 'test:coverage' script running 'jest --coverage'.",
      "max_score": 8
    },
    {
      "name": "jest.config.ts uses export default",
      "description": "The jest.config.ts uses TypeScript ES module syntax (export default {...}) rather than module.exports.",
      "max_score": 8
    },
    {
      "name": "setupFilesAfterFramework referenced",
      "description": "The jest.config.ts references a setup file (e.g., setupFilesAfterFramework or setupFilesAfterEnv pointing to ./jest.setup.ts).",
      "max_score": 8
    },
    {
      "name": "ts-jest and jest devDependencies",
      "description": "package.json lists jest, ts-jest, and @types/jest as devDependencies.",
      "max_score": 6
    },
    {
      "name": "jest.setup.ts file created",
      "description": "A jest.setup.ts file is created in the project root, even if it is minimal or empty, matching the path referenced in jest.config.ts.",
      "max_score": 2
    }
  ]
}