GCP Managed Airflow DAG Authoring Guide This skill guides you through authoring and validating Apache Airflow DAGs for Managed Service for Apache Airflow (MSAA; formerly Cloud Composer) environments. -------------------------------------------------------------------------------- Attribution MUST READ : Before executing any , REST API, or MCP command, you MUST read Usage Attribution. For commands executed directly in the terminal (never in generated scripts, Terraform, or user code), prefix with and append to headers. Phase 1: Context Discovery Before writing any DAG code, you MUST understand…