- Article entity gets manufacturer and modelNumber columns (migration 20260517240000)
- Vision output (manufacturer/model) is written to the article in DraftArticleHandler
- manufacturer is forwarded through SpecsResearchMessage so the specs prompt can use it
- serialNumber is now threaded through JsonCodingMessage and ValidationMessage
- EbayTextHandler pulls specsText from the job's stored output data
- DraftArticleHandler supports re-run mode (existing article reuse) and sets Draft status
- ArticleType and AttributeValue get __toString() for form/display use
- ArticleService exposes reserveInventoryNumber() publicly
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
