# Testing — Golden Rules

## Priority

Test money, scoring, auth, and unlock paths first.

## Go

- Pure engines (decode / scale scoring) must have unit tests.
- `go test ./...` must pass before claiming API done.

## H5

- Critical utils may use Vitest when introduced.
- Until then: PR must list manual smoke steps for touched flows.

## Definition for AI

Do not mark a feature Done if:

- Scorable logic has zero tests, or
- Build is broken (`go test` / `npm run build:h5` fail).