14BryanEspinoza

@14bryanespinoza source repo

31 skills
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9 hours ago last updated

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Frontend Skill · 14bryanespinoza bundle
Frontend engineering standards for the frontend-skill. Inject into delegated executors (general, explore, sdd-apply, sdd-design) when the task touches frontend code. Covers stack detection, architecture-first, anti-hallucination and token efficiency, and defines the workflow and loading of injected skills.

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CSS · 14bryanespinoza
Modern CSS rules - mobile-first layout, cascade layers, container queries, modern selectors, animations, logical properties, form controls, anchor positioning

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Ddd · 14bryanespinoza
Domain-Driven Design rules - bounded contexts, entities, value objects, aggregates, repositories and domain events

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Git · 14bryanespinoza
Git rules for modern frontend - trunk-based branching, conventional commits, PRs, stacked PRs, hooks, merge policy, debugging, versioning, permission matrix for agents

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Auth · 14bryanespinoza
Auth rules for modern frontend - session vs token models, secure credential storage (httpOnly cookies, __Host-), JWT validation, access/refresh with rotation and reuse detection, server-side sessions, password hashing (bcrypt/argon2), password reset, OAuth 2.0/OIDC/PKCE, MFA/TOTP, WebAuthn/passkeys, protected routes, CSRF, XSS, session state, anti-abuse

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Docs · 14bryanespinoza
Documentation rules - Markdown, README, JSDoc, TypeDoc, changelogs, technical writing conventions

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HTML · 14bryanespinoza
HTML5 semantic rules - landmarks, forms structure, multimedia, interactive components, SEO (JSON-LD), performance and declarative components

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Sass · 14bryanespinoza
Sass (Dart Sass) rules - SCSS syntax, variables, mixins, partials, @use/@forward, modules, 7-1 architecture, framework integration

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Vite · 14bryanespinoza
Vite rules - project setup, configuration (vite.config.ts), plugins, dev server, HMR, code splitting, environment variables (import.meta.env), build optimization, import.meta.glob, TypeScript, Sass, Tailwind CSS, Vitest, SSR, workspaces

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Astro · 14bryanespinoza
Astro rules - islands architecture, zero JavaScript by default, content collections (Content Layer API), MDX, Static Site Generation (SSG), Server-side Rendering (SSR), hybrid rendering via prerender opt-out, partial hydration (client:load, client:visible, client:idle, client:media, client:only), server islands (server:defer), Astro components, frontmatter, getStaticPaths, layouts, view transitions (ClientRouter), integrations and adapters, Astro Actions, astro:env, middleware, deployment

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Deploy · 14bryanespinoza
Deployment rules - GitHub Pages, Vercel, Netlify, build optimization, CI/CD, env vars, custom domains

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Nextjs · 14bryanespinoza
Next.js rules - App Router, Server Components, Client Components ("use client"), Server Actions, data fetching and caching (SSG, ISR, revalidate, PPR), Route Handlers, proxy/middleware, next/image, next/font, Metadata API, Auth.js (NextAuth), i18n, generateStaticParams, layouts and templates, Turbopack, typedRoutes, deployment

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Esbuild · 14bryanespinoza
esbuild rules - extremely fast bundler, build API and CLI, formats (ESM/CJS/IIFE), platforms, loaders, plugins, code splitting, watch mode (context API), TypeScript transpile-only, library bundling dual ESM/CJS, metafile analysis

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GRAPHQL · 14bryanespinoza
GraphQL rules for modern frontend - Apollo Client, schema SDL, queries, mutations, subscriptions, fragments, normalized cache, field policies, optimistic updates, error handling, codegen, local state, testing, SSR

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Linting · 14bryanespinoza
ESLint and Prettier rules - consistent formatting, flat config, husky/lint-staged integration, CI/CD

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Reactjs · 14bryanespinoza
React rules - functional components, hooks (useState, useEffect, useContext, useReducer, useRef, useMemo, useCallback, useTransition, useDeferredValue, useActionState, useFormStatus, useOptimistic, use), React Router v7, React Hook Form, conditional rendering, lists and keys, Context API, performance optimization, code splitting, Server Components, reconciliation, Virtual DOM, controlled vs uncontrolled components

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Testing · 14bryanespinoza
Testing rules - Vitest (unit/integration), Playwright (e2e), React Testing Library, MSW, coverage, CI integration

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Security · 14bryanespinoza
Web security rules for modern frontend development - OWASP Top 10 (2025), HTTPS and HSTS, security headers, Content Security Policy (CSP), XSS prevention, CSRF prevention, clickjacking, CORS configuration, input validation and sanitization, SQL/NoSQL injection prevention with parameterized queries, authentication security and secrets, password hashing (bcrypt/argon2), rate limiting and anti-abuse, supply chain and dependency auditing, subresource integrity, prototype pollution, security testing, framework-specific security (React/Next/Astro/Vite)

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Bootstrap · 14bryanespinoza
Bootstrap 5 rules - grid, components, utilities, theming with CSS vars and Sass, dark mode, JS plugins, accessibility

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API Design · 14bryanespinoza
API design rules for modern frontend - REST vs GraphQL, naming, HTTP methods, status codes, versioning, auth, rate limiting, pagination, error handling, CORS, HTTP caching, OpenAPI, client architecture

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Clean Code · 14bryanespinoza
Clean code rules - KISS, DRY, YAGNI, SOLID, descriptive names, small functions, early return, custom errors, effective comments, readable tests (AAA)

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Javascript · 14bryanespinoza
Vanilla JavaScript rules - ES2024 stable / ES2025 target, defensive programming, ESM modules, DOM, events, fetch, browser APIs and data structures

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Typescript · 14bryanespinoza
TypeScript rules - types, generics, tsconfig, decorators, and Result pattern

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Performance · 14bryanespinoza
Web performance rules - Core Web Vitals, Lighthouse, Chrome DevTools, critical rendering path, resource hints, critical CSS, caching and compression, service workers, streaming, bundle optimization, code splitting, tree shaking, lazy loading, images, fonts, animation and interaction performance, performance budgets

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Tailwindcss · 14bryanespinoza
Tailwind CSS v4 rules - CSS-first config, utility-first, @theme, variants, dark mode, build with CLI/PostCSS/Vite, components with @apply

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Accessibility · 14bryanespinoza
Accessibility rules - WCAG 2.2, POUR principles, color contrast, keyboard navigation, focus management, ARIA roles and attributes, screen reader testing, axe-core, reduced motion

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Tanstack Start · 14bryanespinoza
TanStack Start rules - full-stack React framework with type-safe routing, server functions, SSR/SSG, TanStack Query integration, streaming

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Design Patterns · 14bryanespinoza
Design patterns rules - creational, structural, behavioral, module pattern, composition over inheritance, common interface, inversion of control and dependency injection

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Package Manager · 14bryanespinoza
Package manager rules - pnpm by default, npm as alternative, workspaces, scripts, security, monorepos, catalogs

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Component Design · 14bryanespinoza
Component design rules - Atomic Design (atoms, molecules, organisms, templates, pages), compound components, props API design, render props, controlled vs uncontrolled, slots pattern, composition vs inheritance, Context for component communication, polymorphic components (as prop), headless vs styled components, useControllableState, React.memo/useMemo/useCallback, Storybook, component documentation, component testing, performance optimization

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State Management · 14bryanespinoza
State management rules - local vs global state, Context API + useReducer, useSyncExternalStore, Zustand, Redux Toolkit, RTK Query, TanStack Query, Jotai, server state vs client state, state normalization, selectors and derived state, persisted state, middleware, URL as state, Server Components boundaries, testing stores

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31 published skills