Generate structured A/B test plans for DTC funnels with hypotheses, control vs variant, and sample size estimates.

Design statistically valid A/B tests and experiments with clear hypotheses and metrics.

Design statistically valid A/B tests, calculate sample sizes, structure growth experiments, and analyze results.

Design, implement, and audit inclusive digital interfaces using WCAG 2.2 Level AA success criteria.

Manage AI-driven development with eval-first execution, task decomposition, and model routing.

Catch AI-assisted development blind spots with sandbox-mode API testing and bug-check workflows.

Analyze GitHub Actions integration test runs, calculate skill invocation rates, and file failure issues.

Kotlin and Android development guidelines covering clean architecture, MVI, and Material Design.

Build Angular 17+ apps with standalone components, signals, RxJS, NgRx, and automated testing.

Follow comprehensive AWS best practices for serverless architecture, CDK, Lambda, and IAM security.

Measure performance baselines, detect regressions before and after PRs, and compare stack alternatives.

Automate visual testing and UI interaction verification using browser automation after deployment.

Monitor and verify a deployed URL after releases for HTTP, performance, and error regressions.

Expert reference for building automated pipelines, testing strategies, deployment patterns, and DevOps workflows.

Implement Clean Architecture patterns in Flutter and Go applications with strict layer separation.

Write clean, readable code and avoid over-engineering with proven maintenance and scoping principles.

Design deep modules with a shared vocabulary, small interfaces, and clean code seams.

Orchestrate an end-to-end workflow for researching, writing, testing, fact-checking, and optimizing JavaScript documentation.

Optimize conversion rates, run A/B tests, and reduce funnel friction with structured guidance.

Build high-performance C# applications, ASP.NET Core APIs, and Blazor web apps with .NET 8+.

Execute a disciplined, multi-phase loop to diagnose hard bugs, reproduce failures, and verify fixes.

Build Django web applications and REST APIs with optimized models, serializers, and viewsets.

Guide Claude with established JavaScript development patterns, testing practices, and conventional commit rules.

Execute an implementation plan task by task in the current session with ledger tracking and TDD enforcement.