Set up and run stackfit, the CLI that gives each repository only the agent skills, rules, commands, and subagents that fit its stack, from one catalog, for Claude Code, Cursor, and Codex. Use when skills load in repos that don't need them, when syncing skills…
Next.js App Router server-side security - Server Actions as public endpoints, data access layer and DTOs, authz in proxy.ts vs at the data, Cache Components with user data, route handler CSRF, secrets and client-boundary leaks. Use when writing or reviewing…
Write, fix, or review Playwright end-to-end tests, especially for Next.js apps - locators, auth via storageState, flaky waits, server-side fetch mocking, CI against a production build. Use for *.spec.ts / e2e/ / playwright.config changes or flaky browser…