Single article card for news/editorial listings. Variants: Standard (image + meta + title + excerpt + arrow CTA), Featured (larger headline), ImageLed (image-forward, title only), CompactRow (horizontal), and Overlay — an image-dominant photo card with a gradient scrim, badge eyebrow, and on-image title for editorial/news portals. Chrome axes: appearance, elevation, padding, style, card color scheme, color band, media bleed, and media aspect (Overlay: 16x9 / 4x5 / 3x4 / 1x1).

• src/components/registry/components/cards-and-lists/article-card.tsx→components/registry/components/cards-and-lists/article-card.tsx
• src/components/registry/components/cards-and-lists/article-card.recipe.ts→src/recipes/article-card.recipe.ts
• src/components/registry/blocks/chat.types.ts→components/registry/blocks/chat.types.ts
• src/components/registry/blocks/index.ts→components/registry/blocks/index.ts
• src/components/registry/blocks/mock-data.ts→components/registry/blocks/mock-data.ts
• src/components/registry/blocks/types.ts→components/registry/blocks/types.ts
• src/components/registry/components/cards-and-lists/_cta-placement.ts→components/registry/components/cards-and-lists/_cta-placement.ts
• src/components/registry/components/cards-and-lists/_media-aspect.ts→components/registry/components/cards-and-lists/_media-aspect.ts
• src/components/registry/components/cards-and-lists/article-card-config.ts→components/registry/components/cards-and-lists/article-card-config.ts