test(ios): cover context erasure and native capability restrictions

Add Apple-platform tests without presenting them as Linux results. Improve native dark-mode contrast and keep the portable policy suite separate from WebKit tests. Swift formatting and syntax checks pass; Xcode execution remains required.

ios/Package.swift

@@ -12,6 +12,7 @@ let package = Package(
                 "AuthenticationView.swift", "BrowserModel.swift", "ContentView.swift",
                 "ServerProbe.swift", "YuvomiApp.swift", "PrivacyInfo.xcprivacy", "Assets.xcassets",
             ], sources: ["ServerAddress.swift", "ServerMetadata.swift"]),
-        .testTarget(name: "YuvomiPolicyTests", dependencies: ["Yuvomi"], path: "Tests"),
+        .testTarget(
+            name: "YuvomiPolicyTests", dependencies: ["Yuvomi"], path: "Tests", exclude: ["BrowserModelTests.swift"]),
     ]
 )

ios/Sources/ContentView.swift

@@ -10,6 +10,7 @@ struct ContentView: View {
     @State private var settings = false
     @State private var erasing = false
     @Environment(\.scenePhase) private var scenePhase
+    @Environment(\.colorScheme) private var colorScheme
 
     var body: some View {
         NavigationStack {
@@ -75,7 +76,10 @@ struct ContentView: View {
                 }
             }
             .navigationTitle("Yuvomi Mobile").navigationBarTitleDisplayMode(.inline)
-            .tint(Color(red: 108 / 255, green: 58 / 255, blue: 237 / 255))
+            .tint(
+                colorScheme == .dark
+                    ? Color(red: 167 / 255, green: 139 / 255, blue: 250 / 255)
+                    : Color(red: 108 / 255, green: 58 / 255, blue: 237 / 255))
         }
         .task {
             if server == nil, let existing = try? ServerAddress(input) {

ios/Tests/BrowserModelTests.swift

@@ -0,0 +1,28 @@
+import WebKit
+import XCTest
+
+@testable import Yuvomi
+
+final class BrowserModelTests: XCTestCase {
+    @MainActor
+    func testMainViewHasNoNativeBridgeOrAutomaticPopupAccess() {
+        let model = BrowserModel()
+        XCTAssertFalse(model.web.configuration.preferences.javaScriptCanOpenWindowsAutomatically)
+        XCTAssertTrue(model.web.configuration.userContentController.userScripts.isEmpty)
+        XCTAssertTrue(model.web.configuration.websiteDataStore.isPersistent)
+        XCTAssertFalse(model.web.isInspectable)
+    }
+
+    @MainActor
+    func testServerErasureReplacesHistoryContext() async {
+        let model = BrowserModel()
+        let previousView = model.web
+        await withCheckedContinuation { continuation in
+            model.erase { continuation.resume() }
+        }
+        XCTAssertFalse(previousView === model.web)
+        XCTAssertNil(model.server)
+        XCTAssertFalse(model.canGoBack)
+        XCTAssertNil(model.error)
+    }
+}

ios/project.yml

@@ -26,7 +26,7 @@ targets:
         NSCameraUsageDescription: Take a photo to upload to your Yuvomi server.
         NSPhotoLibraryUsageDescription: Choose photos to upload to your Yuvomi server.
         NSLocalNetworkUsageDescription: Connect to the private Yuvomi server you configure.
-        ITSAppUsesNonExemptEncryption: NO
+        ITSAppUsesNonExemptEncryption: false
         UISupportedInterfaceOrientations:
           - UIInterfaceOrientationPortrait
           - UIInterfaceOrientationLandscapeLeft