The system prompt already told the model to MUST call createRecipe
instead of writing the recipe out — that's a soft rule some models
(especially free-tier ones) still ignore. There was no fallback: if the
model answered in prose, that's just what got returned, no draft card.
Added a detector (looksLikeUnstructuredRecipe: 3+ numbered/bulleted
lines with no tool call) and a forced-tool retry when it fires — same
system+prompt, but toolChoice forced to createRecipe so the model can't
opt out on the second pass. Falls back to a short localized line if the
provider returns no text alongside a forced tool call (some do this by
design). Retry failure just keeps the original prose answer rather than
erroring the whole request.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Arnaud
6ec9b65c24