Design technical architecture and select technology stack. Use when product design exists in logos/resources/prd/2-product-design/ but logos/resources/prd/3-technical-plan/1-architecture/ is empty.
Model business scenarios as detailed sequence diagrams with API calls. Use when architecture exists in 3-technical-plan/1-architecture/ but 3-technical-plan/2-scenario-implementation/ is empty. Scenarios must be complete user action paths, NOT single API calls.
Create product design specifications including feature specs and page designs. Use when requirements exist in logos/resources/prd/1-product-requirements/ but logos/resources/prd/2-product-design/ is empty.
UI/UX design intelligence. 67 styles, 96 palettes, 57 font pairings, 25 charts, 13 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, create, design, implement, review, fix, improve, optimize, enhance, refactor, check UI/UX code. Projects: website, landing page, dashboard, admin panel, e-commerce, SaaS, portfolio, blog, mobile app, .html, .tsx, .vue, .svelte. Elements: button, modal, navbar, sidebar, card, table, form, chart. Styles: glassmorphism, claymorphism, minimalism, brutalism, neumorphism, bento grid, dark mode, responsive, skeuomorphism, flat design. Topics: color palette, accessibility, animation, layout, typography, font pairing, spacing, hover, shadow, gradient. Integrations: shadcn/ui MCP for component search and examples.
Write change proposals with impact analysis following OpenLogos delta workflow. Use when the project lifecycle is active and source code or methodology documents need modification.
Execute delta merges by generating MERGE_PROMPT.md from change proposals. Use when an approved change proposal needs to be applied to the codebase.
Generate business code and test code based on the full specification chain (sequence diagrams, API YAML, DB DDL, test case specs). Use when test cases exist in logos/resources/test/ but logos/resources/implementation/ is empty.
Design database schema based on API and scenario requirements. Use when scenarios exist but logos/resources/database/ is empty.