Custom-label zero-shot classification with MobileBERT MNLI over a user-editable label set (add trimmed + case-insensitively deduped, remove, live count) with an email/message textarea and sample loader. Results render a top-result hero (winning label + confidence) above a ranked score list of all candidate labels. Guards empty input and an empty label set; the model downloads only behind Run. No model bytes download until an explicit in-block action.
pnpm dlx shadcn@latest add "https://localmode.ai/r/ui/blocks/text-insights/text-classifier.json"