Contribution Setup (worker skill)

Onboarding for a Drupal contribution. Optional, idempotent, not a gate. Detect what already exists and do only what is missing — a contributor who arrives with a ready environment can skip straight to issue.

Backs /drupal-ai-contrib:setup. Load the knowledge layer via dev-guides-navigator: drupal/contributing/ddev-contribution-environment, drupal/contributing/contrib-project-scaffolding, drupal/contributing/three-contribution-workflows-compared, drupal/contributing-with-ai/ai-toolchain-for-contribution.

Procedure

1. Detect the workflow and issue system

Determine — by inspecting the working directory and asking the contributor only what cannot be inferred: