🟢 One session — A few hours, sittable in one gonext.js
Re-buying books/games/board games you already own
“I bought the same novel twice and a board game I already had in a closet. In a bookstore I can't remember what's on my shelf at home.”— Hacker News ↗
The gap
Full library/collection apps are heavyweight catalogues people don't maintain. The actual in-the-moment need is tiny: a fast searchable 'do I own this?' list you can check at a store — underserved by being too small for the big apps.
For
Collectors of books, games, vinyl, board games
Paste-ready build prompt
Build an 'do I already own this?' collection checker in Next.js, optimized for fast mobile search in a store. Add items (title, optional barcode/photo); the home screen is just a big search box over your owned items. First 3 steps: (1) add-item form + list, (2) an instant client-side fuzzy search front-and-center, (3) a barcode scan-to-add stretch using the browser BarcodeDetector API. Keep it offline-friendly with localStorage.