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lepresklepresk/groundwork/.cursor/rules/020-api.mdc

groundwork / rules

Cursor rule0 starsChanged 50 days agoMITView on GitHub

NestJS API conventions (apps/api)

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020-api.mdc
---
description: NestJS API conventions (apps/api)
globs: ['apps/api/**']
alwaysApply: false
---

See `apps/api/AGENTS.md`. In short:

- Controllers are thin: DTO in, one action, `DomainException(result.error)` on failure, `@ZodResponse` out.
- Actions: `@Injectable()` with one `execute()`, returning `Result<T, ErrorCode>` via `ok()` / `fail()`.
- Repositories take the executor first and scope every query by owner (another owner's row is `not_found`).
- Multi-statement writes in `db.transaction()`; side effects via `registerAfterCommitHook`.
- New error code: `packages/shared/src/errors.ts` + `error-catalog.ts` + `apps/web/src/lib/errors.ts`.
- Protect routes with `@Authenticated()`; throttle credential endpoints with `@AuthThrottle()`.

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