fix: test push errors, skip heartbeat notify, stale 5h (0.9.2)

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/views/SettingsView.vue

@@ -206,9 +206,10 @@
                     v-if="device.is_active && device.has_fcm_token"
                     type="button"
                     class="secondary"
+                    :disabled="testingPushDeviceId === device.id"
                     @click="testDevicePush(device.id)"
                   >
-                    Тест push
+                    {{ testingPushDeviceId === device.id ? "Отправка…" : "Тест push" }}
                   </button>
                   <button
                     v-if="device.is_active"
@@ -506,6 +507,7 @@ const creatingCode = ref(false);
 const testingTelegram = ref(false);
 const testingWebhook = ref(false);
 const testingEmail = ref(false);
+const testingPushDeviceId = ref<number | null>(null);
 const error = ref("");
 const success = ref("");
 const telegramLoaded = ref<TelegramSettings | null>(null);
@@ -782,11 +784,16 @@ async function revokeDevice(deviceId: number) {
 async function testDevicePush(deviceId: number) {
   error.value = "";
   success.value = "";
+  testingPushDeviceId.value = deviceId;
   try {
     const res = await testMobileDevicePush(deviceId);
     success.value = res.message;
+    window.scrollTo({ top: 0, behavior: "smooth" });
   } catch (e) {
     error.value = e instanceof Error ? e.message : "Ошибка push";
+    window.scrollTo({ top: 0, behavior: "smooth" });
+  } finally {
+    testingPushDeviceId.value = null;
   }
 }