{ "$schema": "https://promptfoo.dev/config-schema.json", "description": "Smoke test - JSON config format", "providers": ["echo"], "prompts": ["Hello {{name}}"], "tests": [ { "vars": { "name": "JSON" }, "assert": [{ "type": "contains", "value": "Hello" }, { "type": "contains", "value": "JSON" }] } ] }