Create GitHub Pull Request from Specification

Create or update a GitHub pull request using the specification at ${workspaceFolder}/.github/pull_request_template.md. If the template file does not exist, create it first from assets/default-pull-request-template.md.

Prerequisites

• Run inside a Git repository with a checked out feature branch.
• gh must be installed and authenticated.
• ${input:targetBranch} must be a valid base branch name.

Process