https://blog.baifan.site/en/tags/ai-programming/ Recent content in AI Programming on ByF (BaiFan) · Daily Deep Think Hugo -- gohugo.io en blog@baifan.site (ByF (BaiFan)) blog@baifan.site (ByF (BaiFan)) CC BY-NC 4.0 Tue, 17 Feb 2026 14:00:00 +0800 https://blog.baifan.site/en/ui-first-ai-programming-prd/ Tue, 17 Feb 2026 14:00:00 +0800 blog@baifan.site (ByF (BaiFan)) https://blog.baifan.site/en/ui-first-ai-programming-prd/ <!-- more --> <p>Everyone knows the standard Vibe Coding flow by now: write user stories → produce a PRD → AI generates the backend → AI generates the frontend → demo and verify. It works, but at delivery time the UI interaction experience often falls far short of expectations. Where does it go wrong? In the PRD itself.</p> <h2 class="relative group">1. The Fundamental Problem with PRDs <div id="1-the-fundamental-problem-with-prds" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#1-the-fundamental-problem-with-prds" aria-label="Anchor">#</a> </span> </h2> <p>PRDs (Product Requirements Documents) were never that friendly to humans in the first place. Three reasons:</p>