Fern Basket

A basket where every total is computed from the lines, so nothing on the screen can disagree with anything else on it, and the free delivery shortfall is worked out rather than left as a rule to apply. The stepper clamps at real stock and says so.

粘贴到 Claude Code、Cursor 或 Windsurf 中，它会在你的应用中 1:1 构建这个界面。