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lepresklepresk/groundwork/.claude/skills/add-endpoint/SKILL.md

add-endpoint

Skill0 starsChanged 51 days agoMITView on GitHub

Add an endpoint or use case to an existing API module following the action pattern. Use when the user asks for a new route, operation, or business rule on an existing resource.

10 other projects use a version of this.

Adopted by

Most recently taken up by

The file

We split this skill into the rules it gives an agent

4 rules. 0 are common, 1 is distinctive, and 3 are very specific to this project.

  • 0

    Common

    Most of the 10 edited versions we read keep these.

  • 1

    Distinctive

    This author's own choices. Worth a look.

  • 3

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    Read the module folder (apps/api/src/modules/<feature>/) and its integration test first.

    line 8
  2. Very specific:

    Error codes: add each expected failure to ERROR_CODES, then its status in apps/api/src/shared/errors/error-catalog.ts and copy in …

    line 10
  3. Distinctive:

    Repository: add the query, executor first, owner-scoped.

    line 11
  4. Very specific:

    Run the verify skill for @groundwork/shared and @groundwork/api (and @groundwork/web if copy changed).

    line 15

“Common” is measured: kept by at least 6 in 10 of the 10 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Add an endpoint

  1. Read the module folder (apps/api/src/modules/<feature>/) and its integration test first.
  2. Contract in packages/shared/src/<feature>.ts: request schema (normalizing input) and response strictObject. Rebuild shared.
  3. Error codes: add each expected failure to ERROR_CODES, then its status in apps/api/src/shared/errors/error-catalog.ts and copy in apps/web/src/lib/errors.ts.
  4. Repository: add the query, executor first, owner-scoped.
  5. Action in actions/<verb>-<noun>.action.ts: @Injectable(), one execute(), returns Result<T, ErrorCode> with ok() / fail(). Wrap multi-statement writes in db.transaction(); register side effects with registerAfterCommitHook.
  6. Controller: DTO from the shared schema, @ZodResponse({ status, type }), @ApiErrors(...), and throw new DomainException(result.error) on failure. Register the action in the module providers.
  7. Tests in apps/api/test/integration/<feature>.test.ts: happy path, each error code, ownership, validation, and a database assertion for every mutation. Parse responses with the shared schema.
  8. Run the verify skill for @groundwork/shared and @groundwork/api (and @groundwork/web if copy changed).

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