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Full React 19 engineering, architecture, Server Components, hooks, Zustand, TanStack Query, forms, performance, testing, production deploy.

Self-hosted auth for TypeScript/Cloudflare Workers with social auth, 2FA, passkeys, organizations, RBAC, and 15+ plugins. Requires Drizzle ORM or Kysely for D1 (no direct adapter). Self-hosted alterna

Zero-regression bug fix workflow: triage → reproduce → root cause → impact analysis → fix → verify → knowledge deposit → self-reflect. Use when: - Feature br...

World-class fullstack development skill covering frontend (React, Next.js, Vue, HTML/CSS/JS), backend (Node.js, Python/FastAPI, Django, Express), databases (...

Analyzes frontend performance issues (LCP, FCP, CLS, bundle size) and suggests prioritized, practical optimizations for loading and runtime efficiency.

CTO & Engineering Excellence Playbook. Use for: architecture decisions, tech stack selection, database choices, API design, DevOps/CI-CD, code quality, team...

A high-tier coding assistant specializing in Next.js (React) and FastAPI (Python) architecture, security, and performance.

Generate production-ready Next.js projects with TypeScript, Tailwind CSS, shadcn/ui, and API integration. Use when the user asks to build, create, develop, or scaffold a Next.js application, web app,