src/test/i18nMock.ts holds the one fake t of the suite: markedT renders
t(key) or t(key[a=1,b=2]), and i18nMock({ language?, fixture? }) builds
the react-i18next module for vi.mock. The local echo of
useLicenseMachines.test.ts is replaced by markedT.
Refs #389
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
