Add first-class Actions management (#63)

ios/Sources/Support.swift

@@ -46,9 +46,14 @@ func errorAlert(_ message: String) -> UIAlertController {
     return alert
 }
 
+func errorMessage(_ error: Error) -> String {
+    if case let GotchaError.Message(message) = error { return message }
+    return error.localizedDescription
+}
+
 extension UIViewController {
     func show(error: Error) {
-        present(errorAlert(error.localizedDescription), animated: true)
+        present(errorAlert(errorMessage(error)), animated: true)
     }
 
     func beginNavigationLoading(_ spinner: UIActivityIndicatorView) {
@@ -392,3 +397,31 @@ func separator() -> UIView {
     line.heightAnchor.constraint(equalToConstant: 1 / UIScreen.main.scale).isActive = true
     return line
 }
+
+@MainActor
+func setPanelTitle(_ viewController: UIViewController, _ title: String, server: String?) {
+    viewController.title = title
+    viewController.navigationItem.titleView = nil
+    if #available(iOS 26.0, *) {
+        viewController.navigationItem.subtitle = server.flatMap { $0.isEmpty ? nil : $0 }
+        return
+    }
+    guard let server, !server.isEmpty else { return }
+    let titleLabel = UILabel()
+    titleLabel.text = title
+    titleLabel.font = .preferredFont(forTextStyle: .headline)
+    titleLabel.adjustsFontForContentSizeCategory = true
+    titleLabel.textAlignment = .center
+    let serverLabel = UILabel()
+    serverLabel.text = server
+    serverLabel.font = .preferredFont(forTextStyle: .caption1)
+    serverLabel.adjustsFontForContentSizeCategory = true
+    serverLabel.textColor = .secondaryLabel
+    serverLabel.textAlignment = .center
+    let labels = UIStackView(arrangedSubviews: [titleLabel, serverLabel])
+    labels.axis = .vertical
+    labels.spacing = 0
+    labels.alignment = .center
+    labels.accessibilityLabel = "\(title), \(server)"
+    viewController.navigationItem.titleView = labels
+}