tsconfig.test.json

{
  // Type-check the whole source tree INCLUDING tests under the same strict
  // settings as the build. The build's tsconfig.json excludes `__tests__` (it
  // emits dist), so without this config test code was never type-checked and
  // type drift between tests and production contracts went unnoticed.
  "extends": "./tsconfig.json",
  "compilerOptions": {
    "noEmit": true,
    // Test code keeps the full strictness that catches contract drift (missing
    // / wrong-typed fields, argument mismatches, implicit any). Two index-access
    // safety flags are relaxed for tests only: they fire heavily on array
    // index access in assertions and on dot-access of loosely-typed mock
    // factories, where the runtime-safety value is low and would otherwise
    // drown out the meaningful drift signals this config exists to surface.
    "noUncheckedIndexedAccess": false,
    "noPropertyAccessFromIndexSignature": false
  },
  "include": ["src/**/*"],
  "exclude": ["node_modules", "dist"]
}