fix: harden ios app build hygiene

apps/ios/Sources/Device/DeviceInfoHelper.swift

@@ -1,8 +1,7 @@
+import Darwin
 import Foundation
 import UIKit
 
-import Darwin
-
 /// Shared device and platform info for Settings, gateway node payloads, and device status.
 enum DeviceInfoHelper {
     /// e.g. "iOS 18.0.0" or "iPadOS 18.0.0" by interface idiom. Use for gateway/device payloads.
@@ -65,8 +64,8 @@ enum DeviceInfoHelper {
 
     /// Display string for Settings: "1.2.3" or "1.2.3 (456)" when build differs.
     static func openClawVersionString() -> String {
-        let version = appVersion()
-        let build = appBuild()
+        let version = self.appVersion()
+        let build = self.appBuild()
         if build.isEmpty || build == version {
             return version
         }

apps/ios/Sources/Device/NodeDisplayName.swift

@@ -5,25 +5,25 @@ enum NodeDisplayName {
     private static let genericNames: Set<String> = ["iOS Node", "iPhone Node", "iPad Node"]
 
     static func isGeneric(_ name: String) -> Bool {
-        Self.genericNames.contains(name)
+        self.genericNames.contains(name)
     }
 
     static func defaultValue(for interfaceIdiom: UIUserInterfaceIdiom) -> String {
         switch interfaceIdiom {
         case .phone:
-            return "iPhone Node"
+            "iPhone Node"
         case .pad:
-            return "iPad Node"
+            "iPad Node"
         default:
-            return "iOS Node"
+            "iOS Node"
         }
     }
 
     static func resolve(
         existing: String?,
         deviceName: String,
-        interfaceIdiom: UIUserInterfaceIdiom
-    ) -> String {
+        interfaceIdiom: UIUserInterfaceIdiom) -> String
+    {
         let trimmedExisting = existing?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
         if !trimmedExisting.isEmpty, !Self.isGeneric(trimmedExisting) {
             return trimmedExisting