First live run: Workers AI answered specs the validator refused (agg spelling). normalizeSpec fixes case and common aliases only; on a 422 the response carries model_said (shown, never run). Smoke now fails on a bad spec. Claude-Session: https://claude.ai/code/session_01VDkN7ukK1kXkqov8FaZxva Co-authored-by: Claude <noreply@anthropic.com>