RegenerateStoryRequest

{
    "requirement_text": "The system shall authenticate users using email and password.",
    "requirement_type": "FR",
    "actor": "user",
    "goal": "authenticate securely",
    "priority": "High",
    "feedback": "Focus on email auth. Ensure we validate password complexity.",
    "original_story": "As a user, I want to authenticate, so that I can login.",
    "source_context": "Business Rule BR-10 states passwords must be at least 8 characters long."
}