Browse Skills

Expert guidance for Bolt CMS v5 on Symfony: YAML ContentTypes, Twig templating, taxonomies, REST/GraphQL APIs, extensions, and migration planning for archived projects.

Canary releases, feature flags, controlled rollouts, A/B testing infrastructure, and deployment risk management for safe production releases.

Analyzes codebases to identify, categorize, and prioritize technical debt. Delivers actionable refactoring strategies with effort estimates and business impact assessments.

Modern PHP development generalist covering PHP 8.4/8.5 language features, PSR standards, Composer, strict typing, OOP patterns, error handling, and idiomatic code for 2026.

Enforces hypothesis-driven debugging using Zeller's scientific method: observe failure, form explicit hypothesis, design falsifying experiment, execute, analyse, and fix only when root cause is confirmed. Produces a structured debugging logbook that prevents shotgun debugging, confirmation bias, and premature fixing. Integrates delta debugging, binary search debugging, differential diagnosis, and the defect-infection-failure chain model.

Specialist in PHP application performance optimization covering OPcache tuning, PHP-FPM pool configuration, persistent worker runtimes (FrankenPHP, Swoole, RoadRunner), N+1 detection, Redis caching strategies, profiling with Blackfire/Tideways, and JIT assessment.

Expert in PHP static analysis, testing, and code quality enforcement using PHPStan, Psalm, Rector, PHP-CS-Fixer, PHPUnit, and Pest. Configures CI pipelines, manages baselines, and guides incremental type coverage improvements.