add ios 15 banner in settings

yobble/Views/Tab/Settings/SettingsView.swift

@@ -13,6 +13,12 @@ struct SettingsView: View {
 
     var body: some View {
         Form {
+            if shouldShowLegacySupportBanner {
+                LegacySupportBanner()
+                    .listRowInsets(EdgeInsets(top: 12, leading: 0, bottom: 4, trailing: 0))
+                    .listRowBackground(Color.clear)
+            }
+
             // MARK: - Профиль
             Section(header: Text(NSLocalizedString("Профиль", comment: ""))) {
 //                NavigationLink(destination: EditProfileView()) {
@@ -171,4 +177,41 @@ struct SettingsView: View {
         themeManager.setTheme(mappedTheme)
     }
 
+    private var shouldShowLegacySupportBanner: Bool {
+#if os(iOS)
+        let requiredVersion = OperatingSystemVersion(majorVersion: 16, minorVersion: 0, patchVersion: 0)
+        return !ProcessInfo.processInfo.isOperatingSystemAtLeast(requiredVersion)
+#else
+        return false
+#endif
+    }
+}
+
+private struct LegacySupportBanner: View {
+    var body: some View {
+        HStack(alignment: .top, spacing: 12) {
+            Image(systemName: "exclamationmark.triangle.fill")
+                .font(.system(size: 24, weight: .semibold))
+                .foregroundColor(.yellow)
+
+            VStack(alignment: .leading, spacing: 4) {
+                Text("Экспериментальная поддержка iOS 15")
+                    .font(.headline)
+                Text("Поддержка iOS 15 работает в экспериментальном режиме. Для лучшей совместимости требуется iOS 16+.")
+                    .font(.subheadline)
+                    .foregroundColor(.secondary)
+            }
+
+            Spacer(minLength: 0)
+        }
+        .padding(16)
+        .background(
+            RoundedRectangle(cornerRadius: 14, style: .continuous)
+                .fill(Color.yellow.opacity(0.15))
+        )
+        .overlay(
+            RoundedRectangle(cornerRadius: 14, style: .continuous)
+                .stroke(Color.yellow.opacity(0.4), lineWidth: 1)
+        )
+    }
 }