manager: When the version is less than 13490, enable safe mode.

manager/app/src/main/java/com/sukisu/ultra/ui/screen/Home.kt

@@ -157,6 +157,15 @@ fun HomeScreen(navigator: DestinationsNavigator) {
                             stringResource(id = R.string.grant_root_failed)
                         )
                     }
+
+                    // 只有在没有其他警告信息时才显示不兼容内核警告
+                    val shouldShowWarnings = viewModel.systemStatus.requireNewKernel ||
+                            (viewModel.systemStatus.ksuVersion != null && !viewModel.systemStatus.isRootAvailable)
+
+                    if (Natives.version >= Natives.MINIMAL_NEW_IOCTL_KERNEL && !shouldShowWarnings) {
+                        IncompatibleKernelCard()
+                        Spacer(Modifier.height(12.dp))
+                    }
                 }
 
                 // 更新检查
@@ -891,6 +900,23 @@ private fun StatusCardPreview() {
     }
 }
 
+@Composable
+private fun IncompatibleKernelCard() {
+    val currentKver = remember { Natives.version }
+    val threshold   = Natives.MINIMAL_NEW_IOCTL_KERNEL
+
+    val msg = stringResource(
+        id = R.string.incompatible_kernel_msg,
+        currentKver,
+        threshold
+    )
+
+    WarningCard(
+        message = msg,
+        color = MaterialTheme.colorScheme.error
+    )
+}
+
 @Preview
 @Composable
 private fun WarningCardPreview() {

manager/app/src/main/java/com/sukisu/ultra/ui/screen/Settings.kt

@@ -203,7 +203,7 @@ fun SettingScreen(navigator: DestinationsNavigator) {
                             }
                         )
                         // UID 扫描开关
-                        if (Natives.version >= Natives.MINIMAL_SUPPORTED_UID_SCANNER) {
+                        if (Natives.version >= Natives.MINIMAL_SUPPORTED_UID_SCANNER && Natives.version >= Natives.MINIMAL_NEW_IOCTL_KERNEL) {
                             UidScannerSection(prefs, snackBarHost, scope, context)
                         }
                     }