Use when drafting, rewriting, reviewing, or standardizing a technical proposal, RFC, design issue, product-change proposal, API proposal, language proposal, tooling proposal, or implementation plan that should be incremental, simple, subtractive, boundary-aware, and grounded in real user stories.
Extract evidence from public Bilibili and YouTube videos for accurate summaries, analysis, research, or downstream article planning. Use when a request includes a bilibili.com, b23.tv, youtube.com, or youtu.be video URL, a Bilibili BV identifier, or asks Codex to inspect what a Bilibili or YouTube video actually says.…
Design and implement high-quality web interfaces by synthesizing proven design philosophies from Dieter Rams, Brad Frost (Atomic Design), Google Material Design, and modern web best practices. Triggered when the user asks to design a web page, UI component, design system, layout, or when asked to review/improve…
Optimize web performance through code-level, locally actionable strategies. Focuses on asset loading, JavaScript execution, rendering stability, and framework-level optimizations that developers can implement in their local codebase without touching infrastructure or deployment. Triggered when the user asks to…
Write high-quality technical or general blog posts by synthesizing proven writing philosophies from top practitioners (Paul Graham, Joel Spolsky, Phodal, etc.). Triggered when the user asks to write a blog post, article, essay, or technical content, or when asked to improve/draft/review blog content.
Use when drafting, rewriting, or reviewing a product definition or product design document — the artifact that states what a product is, what problem it solves, who it is for, and its core concepts and information structure. Applies when the user asks for a product definition, product design doc, or "PRD-lite", or…
Use when drafting, rewriting, reviewing, or standardizing a technical proposal, RFC, design issue, product-change proposal, API proposal, language proposal, tooling proposal, or implementation plan that should be incremental, simple, subtractive, boundary-aware, and grounded in real user stories.