ThibautBaissac

Audits Rails application accessibility against WCAG 2.2 Level AA, detects violations with axe-core / Lighthouse / Pa11y, and reports remediation guidance for ERB views, ViewComponents, Stimulus controllers, and Turbo-powered interactions. Use when the user…

Implements real-time features with Action Cable and WebSockets. Use when adding live updates, chat features, notifications, real-time dashboards, or when user mentions Action Cable, WebSockets, channels, or real-time. WHEN NOT: Simple HTTP request/response…

Configures Active Storage for file uploads with variants and direct uploads. Use when adding file uploads, image attachments, document storage, generating thumbnails, or when user mentions Active Storage, file upload, attachments, or image processing. WHEN…

Implements RESTful API design with versioning and request specs. Use when building APIs, adding API endpoints, versioning APIs, or when user mentions REST, JSON API, or API design. WHEN NOT: Internal-only endpoints, HTML views, Turbo Stream responses, or APIs…

Implements authentication using Rails 8 built-in generator. Use when setting up user authentication, login/logout, session management, password reset flows, or securing controllers. WHEN NOT: Authorization and permissions (use Pundit policies), API token…

Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and define verifiable success criteria.

Implements Rails caching patterns for performance optimization. Use when adding fragment caching, Russian doll caching, low-level caching, cache invalidation, or when user mentions caching, performance, cache keys, or memoization. WHEN NOT: General query…

Analyzes Rails code quality, architecture, and patterns without modifying code. Use when the user wants a code review, quality analysis, architecture audit, or when user mentions review, audit, code quality, anti-patterns, or SOLID principles. WHEN NOT:…

Add CASL authorization to a feature: an isomorphic <feature>.ability.ts rule set the server and React share, server-side enforcement via attachAbility/authorize and per-record subject() checks, and <Can>/useAbility UI gating — built on the domain-free base in…

Author and run Playwright browser e2e specs against the real Express + Vite stack — specs in e2e/, role-based queries, the auto-starting webServer, port-overridable isolation, and the responsive screenshot-artifact pattern.

Write colocated tests for React + Express + TypeScript code using the project's runner, conventions, mocked repository interfaces, React Testing Library, and TanStack Query patterns.

Create or extend the owning zod schema as the single source of truth for a FE/BE API shape, then wire backend parsing and a typed frontend call.

Add or extend client-side routing with React Router v7 in Data Mode (createBrowserRouter + RouterProvider), wired to vertical slices, TanStack Query, and zod-parsed URL state.

Run the project quality gate through the auto-detected package manager and test runner, then summarize failures concisely.

Scaffold a vertical-slice React + Express + TypeScript feature with a FE/BE zod contract, backend route → service → repository, frontend Query hooks and optional UI state, and colocated tests.

Scaffold a React Hook Form wired to the feature's zod request contract via zodResolver, submitting through a TanStack Query mutation hook, with accessible fields and surfaced errors.

Rails MVC patterns, ActiveRecord, conventions, and best practices

RSpec testing patterns, factories, mocks, and test best practices

Answer a question from the KB with citations, optionally filing the answer as a new page. Use when the user asks a physics question, wants to query the knowledge base, or asks about topics covered in the KB (theories, concepts, people, experiments, open…

Produce my weekly review in the format I prefer — three sections (shipped / blocked / next), terse bullets, no adjectives.