Generate a comprehensive design prompt the user pastes into Claude.ai (with Artifacts enabled) to produce an interactive HTML/React UI prototype of a content-driven mobile app. This is Stage 2 of the claude-app-pipeline, consuming a finalized idea from Stage 1 (content-app-idea-research). Use this skill whenever the user wants to turn a chosen app idea into a visual UI design or prototype. Trigger on phrases like "make a design prompt", "prototype prompt", "design my app", "design prompt for Claude", "Claude design prompt", "next step after idea", "I picked an idea, now what", "prototype my app", or any similar request. Do not do the prototyping yourself — this skill prod…
