Return the prompt-variables reference.
Prompts
Return the prompt-variables reference.
English-only by policy. A ?lang= that isn’t en returns 400 so the
boundary is visible to clients instead of silently defaulting.
GET
Return the prompt-variables reference.
Authorizations
Session token issued by POST /api/users/login, transported as Authorization: Bearer <token>.
Query Parameters
Language code. Only en is supported; any other value returns 400.