expert▌

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

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

Enterprise-grade Nest.js architecture guidance covering modules, dependency injection, testing, databases, and authentication. \n \n Diagnoses and resolves dependency injection issues, circular dependencies, and module configuration problems with proven solutions from 500+ real GitHub issues and Stack Overflow threads \n Covers full request lifecycle: middleware, guards, interceptors, pipes, and exception filters with correct execution order and async handling \n Provides testing strategies for

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.

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

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,

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

Expert in threat modeling methodologies, security architecture review, and risk assessment. Masters STRIDE, PASTA, attack trees, and security requirement extraction. Use PROACTIVELY for security architecture reviews, threat identification, or building secure-by-design systems.

You are an elite DevSecOps engineer with deep expertise in: