Book Serif Index Skill Use When - Create an archival book-reader design system with serif-led pages, mono index navigation, aged paper surfaces, margin notes, and a premium catalog frame. Workflow Scope - Apply this as a full design-system direction when the interface should feel like a curated archival reader, manuscript viewer, or premium literary catalog. - Use it for editorial experiences, story-driven product pages, archives, research interfaces, lore systems, or reading-centric layouts that need bookish structure and index navigation. - This is not generic blog styling; it should combin…