# Browser evaluation cases Cases are discovered recursively from `*.case.json`; colocated `*.fixture.mjs` files are discovered as fixtures. Use `core` for small deterministic acceptance checks, `matrix` for seeded variations, and `regression//` for privacy-safe minimized user badcases. Run `pnpm eval:browser validate` after every case change. See the parent [`README.md`](../README.md) for the manifest contract, workflow actions, scaffolding, and acceptance criteria.