iOS: alpha node app + setup-code onboarding (#11756)

apps/ios/Sources/Device/NodeDisplayName.swift

@@ -0,0 +1,48 @@
+import Foundation
+import UIKit
+
+enum NodeDisplayName {
+    private static let genericNames: Set<String> = ["iOS Node", "iPhone Node", "iPad Node"]
+
+    static func isGeneric(_ name: String) -> Bool {
+        Self.genericNames.contains(name)
+    }
+
+    static func defaultValue(for interfaceIdiom: UIUserInterfaceIdiom) -> String {
+        switch interfaceIdiom {
+        case .phone:
+            return "iPhone Node"
+        case .pad:
+            return "iPad Node"
+        default:
+            return "iOS Node"
+        }
+    }
+
+    static func resolve(
+        existing: String?,
+        deviceName: String,
+        interfaceIdiom: UIUserInterfaceIdiom
+    ) -> String {
+        let trimmedExisting = existing?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        if !trimmedExisting.isEmpty, !Self.isGeneric(trimmedExisting) {
+            return trimmedExisting
+        }
+
+        let trimmedDevice = deviceName.trimmingCharacters(in: .whitespacesAndNewlines)
+        if let normalized = Self.normalizedDeviceName(trimmedDevice) {
+            return normalized
+        }
+
+        return Self.defaultValue(for: interfaceIdiom)
+    }
+
+    private static func normalizedDeviceName(_ deviceName: String) -> String? {
+        guard !deviceName.isEmpty else { return nil }
+        let lower = deviceName.lowercased()
+        if lower.contains("iphone") || lower.contains("ipad") || lower.contains("ios") {
+            return deviceName
+        }
+        return nil
+    }
+}