magpie-release-prepare

<!-- SPDX-License-Identifier: Apache-2.0 https://www.apache.org/licenses/LICENSE-2.0 --> <!-- Placeholder convention (see ../../AGENTS.md#placeholder-convention-used-in-skill-files): <project-config> → adopter's project-config directory path <upstream> → adopter's public source repo (e.g. apache/airflow) <default-branch> → upstream repo default branch <version> → release version string (e.g. 2.11.0) <product-name> → project display name (e.g. Apache Airflow) <previous-version> → version tag immediately preceding <version> <release-branch-base> → base branch for the prep PR (from release_branch_base) <planning-issue-url> → URL of the created or existing planning issue <category-x-dependencies> → list of denied dependency identifiers from config <version-manifest-files> → list of files the version bump touches from config Substitute these with concrete values from the adopting project's <project-config>/release-management-config.md and <project-config>/release-trains.md before running any command below. --> # release-prepare This skill drafts the three preparation artefacts in the [release-management lifecycle](../../docs/release-management/process.md): - **Step 1** (`/release-prepare <version>`) — the planning issue body, labelled `release-planning`. - **Step 2** (`/release-prepare prep ...