[LocalMode] Calibrate a similarity threshold from corpus embeddings via useCalibrateThreshold at percentile 90, over a selected embedding model and corpus, rendering the calibrated threshold versus the model's getDefaultThreshold preset, metadata, distribution statistics, and the MODEL_THRESHOLD_PRESETS referen
pnpm dlx shadcn@latest add "https://registry.directory/r/localmode-ai/ui/blocks/text-insights/threshold-calibrator.json"