onGitHubPullRequestReviewEvent exposes the broad pull_request_review webhook family for submitted, edited, and dismissed reviews.
automations/watch-github-reviews.automation.ts
account defaults to the project binding. Returns Signal<GitHubPullRequestReviewEvent>, GitHub’s typed review webhook union with action, review, pull_request, repository, and sender. The installation needs Pull requests read permission and repository access. Review comments on individual diff lines use a different GitHub webhook family and do not emit this trigger.