Effect-TS

Audit an existing Foldkit program against the architecture, conventions, and quality bar. Use when the user wants to review their Foldkit code, check for anti-patterns, accessibility gaps, or quality regressions. Triggers on phrases like "audit my app",…

Use whenever working with Foldkit. Triggers on imports from `foldkit`, files in a Foldkit project, or prompts mentioning Foldkit. Loads the framing and points at the canonical Foldkit repository reference, source code, and examples.

Generate a complete, idiomatic Foldkit program from a natural language description. Use when the user wants to create a new Foldkit program, scaffold a project, or says things like "build me a..." or "I want a program that..."

Use this skill when setting up a repository that uses the Effect Typescript library.

Use this skill when migrating a codebase from Effect v3 to Effect v4, upgrading `effect` or any `@effect/*` package across the v3/v4 boundary.

Write, insert, or update Effect public API JSDoc so it satisfies the jsdocs oxlint rule. Use when adding or fixing JSDoc comments, resolving jsdocs diagnostics, preparing docs for JSON extraction, or reviewing public API documentation.