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TS strict, four-file folder pattern, import boundaries, no console.
| name | engineering-standards |
| description | TS strict, four-file folder pattern, import boundaries, no console. |
any; no non-null assertions.Name.tsx, Name.types.ts, Name.module.scss?, Name.builder.ts?. No index.ts barrels.string | null. slug: string always required.import type for type-only imports. Always @/ alias.app/ → components/ → lib/. lib/ is leaf-only.import "server-only" at the top of any file holding secrets or Shopify API logic.console.* in committed code.How to move an app component into the headless @jasonyangcis/core-ui library — headless conversion, cross-repo file checklist, treeshake sentinel, changeset, consumer wiring.
How to wire a new Builder.io-rendered route or model — fetch helper, route, registry, config.
Pattern for adding a server Route Handler under app/api/** — origin check, zod body, server-only deps, safe responses.
Builder.io Gen-2 SDK patterns — fetch, render, register, model guard, preview.
Tokens, cn(), focus rings, shadcn/ui (new-york), insert-menu groups.
Secret hygiene, CSP, CSRF, webhook HMAC, session encryption.