Related Generic Skills - - Const types, flat interfaces - - No useMemo/useCallback, compiler - - App Router, Server Actions - - cn() utility, styling rules - - Schema validation - - State management - - Chat/AI features - - E2E testing (see also ) Tech Stack (Versions) CRITICAL: Component Library Rule - ALWAYS : Use + Tailwind ( ) - NEVER : Add new HeroUI components ( is legacy only) DECISION TREES Component Placement Code Location Styling Decision Scope Rule (ABSOLUTE) - Used 2+ places → or or (components go in ) - Used 1 place → keep local in feature directory - This determines ALL folder s…