expert▌

Vue 3 components and composables in JavaScript with comprehensive JSDoc type coverage, no TypeScript required. \n \n Builds with <script setup> and .mjs modules using @typedef , @param , and @returns JSDoc annotations for full type safety without a TypeScript compiler \n Covers component architecture (props, emits, slots), custom composables, Pinia state management, and Vue Router configuration entirely in vanilla JavaScript \n Includes ESLint JSDoc plugin verification to ensure all public

Rails 7+ specialist optimizing queries, implementing Hotwire real-time features, and background job processing. \n \n Covers Active Record query optimization with includes / eager_load to prevent N+1 queries, plus database indexing strategies \n Implements Turbo Frames and Turbo Streams for partial page updates, and Action Cable configuration for WebSocket-based real-time features \n Provides Sidekiq worker templates for background job processing with retry logic and error handling \n Includes R

Expert guidance for building .NET 8 applications with clean architecture, minimal APIs, and cloud-native patterns. \n \n Covers minimal APIs, Entity Framework Core, CQRS with MediatR, JWT authentication, and AOT compilation for .NET 8 \n Enforces async/await patterns, nullable reference types, record DTOs, and clean architecture layer separation \n Includes reference guides for minimal APIs, clean architecture, Entity Framework, authentication, and cloud-native deployment \n Provides code exampl

Technical expertise for analyzing DWARF debug files and understanding the DWARF standard (v3–v5). \n \n Covers DWARF standard questions, parsing debug information from binaries, and code that interacts with DWARF data \n Provides verification workflows using llvm-dwarfdump --verify for structural validation and quality metrics \n Supports parsing tools including dwarfdump , readelf , and DWARF parsing libraries (libdwarf, pyelftools, gimli) \n References authoritative sources: official DWARF sta

Comprehensive monitoring, logging, metrics, tracing, and performance testing implementation for production systems. \n \n Covers structured logging (Pino/JSON), Prometheus metrics (counters, histograms, gauges), and OpenTelemetry distributed tracing with span instrumentation \n Includes Prometheus alerting rule configuration, RED/USE dashboard design patterns, and health check endpoint setup \n Provides load testing with k6 and Artillery, application profiling for CPU/memory bottlenecks, and cap

Use this skill to build, review, or improve SwiftUI features with correct state management, optimal view composition, and iOS 26+ Liquid Glass styling. Prioritize native APIs, Apple design guidance, and performance-conscious patterns. This skill focuses on facts and best practices without enforcing specific architectural patterns.

Expert guidance on chart selection and data visualization design for clear data communication. \n \n Covers five core chart categories: comparison (bar/column), distribution (histograms/box plots), relationship (scatter/bubble), composition (pie/stacked bars), and trends (line/area) \n Emphasizes four foundational principles: clarity, honesty, simplicity, and accessibility for color-blind audiences \n Provides chart type recommendations with rationale, code examples using matplotlib and plotly,

Complete Shopify development expertise for themes, apps, headless storefronts, and checkout customization. \n \n Covers theme development with Liquid templating, Storefront API integration, and Online Store 2.0 architecture; includes linting and deployment via Shopify CLI \n Supports full-stack app development with OAuth, webhooks, Admin API authentication, and checkout UI extensions using TypeScript and Remix \n Provides GraphQL query patterns, metafield handling, image optimization, and perfor

Target Platforms

Expert guide for interpreting and fixing n8n validation errors. \n \n Covers three severity levels: errors (block execution), warnings (optional fixes), and suggestions (nice-to-have improvements) \n Includes five common error types with fix strategies: missing_required, invalid_value, type_mismatch, invalid_expression, and invalid_reference \n Provides three validation profiles (minimal, runtime, strict, ai-friendly) for different workflow stages, with runtime recommended for pre-deployment che