#[test]
fn annotation_writer_produces_expected_grafana_payload() {
    let a = api::build_grafana_deploy_annotation(api::DeployAnnotationArgs {
        service: "gateway",
        version: Some("1.2.3"),
        git_sha: Some("abc123"),
        time_ms: 1234567890,
    });

    assert_eq!(a.time, 1234567890);
    assert!(a.tags.iter().any(|t| t == "deploy"));
    assert!(a.tags.iter().any(|t| t == "service:gateway"));
    assert!(a.tags.iter().any(|t| t == "version:1.2.3"));
    assert!(a.tags.iter().any(|t| t == "git_sha:abc123"));
    assert!(a.text.contains("deploy gateway"));
}