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- api/checkout/route.ts: authoritative shipping charge is 0 whenever every cart line opts out via noShippingCost, regardless of the free-shipping threshold. - Cart/checkout order summaries: the whole "Versand" line (cost, free- shipping note, delivery time) is hidden entirely rather than showing "Kostenlos" — that's a different state from hitting the threshold. - ProductSpotlight/Pricing/TodoKartenHero: "zzgl. Versand" and delivery- time hints drop for an exempted product's own page. - /versand + its shared modal: one clarifying sentence that digital products are exempt. - Widerrufsformular link: opens inline in a new tab (no forced download), arrow icon changed from a download glyph to a plain right arrow to match. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>