Fails fast before the API call with a clear German error message. Tests boundary: 100 chars accepted, 101 rejected. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Fails fast before the API call with a clear German error message. Tests boundary: 100 chars accepted, 101 rejected. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>