diff --git a/.gitea/workflows/deploy-app-frontend.yaml b/.gitea/workflows/deploy-app-frontend.yaml
index 8af2be3..4ee1920 100644
--- a/.gitea/workflows/deploy-app-frontend.yaml
+++ b/.gitea/workflows/deploy-app-frontend.yaml
@@ -45,11 +45,11 @@ jobs:
       - name: deploy production
         run:  mv -v /www/hereconnect.condev.ru/current-prod /www/hereconnect.condev.ru/old-prod && mv -v /www/hereconnect.condev.ru/build-${{env.GITHUB_SHA}}-prod /www/hereconnect.condev.ru/current-prod && rm -rf /www/hereconnect.condev.ru/old-prod
 
-#      - name: build dev
-#        run: cd build/frontend && bun vite build --emptyOutDir --mode development --outDir /www/hereconnect.condev.ru/build-${{env.GITHUB_SHA}}-dev/
-#
-#      - name: deploy dev
-#        run: mv -v /www/hereconnect.condev.ru/current-dev /www/hereconnect.condev.ru/old-dev && mv -v /www/hereconnect.condev.ru/build-${{env.GITHUB_SHA}}-dev /www/hereconnect.condev.ru/current-dev && rm -rf /www/hereconnect.condev.ru/old-dev
+      - name: build dev
+        run: cd build/frontend && bun vite build --emptyOutDir --mode development --outDir /www/hereconnect.condev.ru/build-${{env.GITHUB_SHA}}-dev/
+
+      - name: deploy dev
+        run: mv -v /www/hereconnect.condev.ru/current-dev /www/hereconnect.condev.ru/old-dev && mv -v /www/hereconnect.condev.ru/build-${{env.GITHUB_SHA}}-dev /www/hereconnect.condev.ru/current-dev && rm -rf /www/hereconnect.condev.ru/old-dev
 
       - name: cleanup build directories
         if: always()
diff --git a/apps/frontend/public/service-worker.js b/apps/frontend/public/service-worker.js
index 07a8b62..0c086d0 100644
--- a/apps/frontend/public/service-worker.js
+++ b/apps/frontend/public/service-worker.js
@@ -1,189 +1,146 @@
+const VER = 6
+
+self.addEventListener('message', async (event) => {
+  event.waitUntil(debug(event.source, Object.assign({ answer: true }, event.data)))
+})
+
 self.addEventListener('install', (event) => {
   console.log('install event:', event)
   // The promise that skipWaiting() returns can be safely ignored.
-  self.skipWaiting()
+  event.waitUntil(self.skipWaiting().then(() => debug(event.source, { installed: true })))
 
   // Perform any other actions required for your
   // service worker to install, potentially inside
   // of event.waitUntil();
 })
 
-const isIOS = /iPhone|iPad|iPod/i.test(navigator.userAgent)
-
 self.addEventListener('activate', (event) => {
   event.waitUntil(
-    clients.claim(), // Привязка нового сервис-воркера к текущим клиентам
+    // Привязка нового сервис-воркера к текущим клиентам
+    clients.claim().then(() => debug(event.source, { activated: true })),
   )
 })
 
 self.addEventListener('push', (event) => {
-  const data = event.data.json()
-  console.log('Push событие получено:', data.type)
-
-  // Отображение уведомления
-  if (data.type === 'notification') {
-    event.waitUntil(
-      self.registration
-        .showNotification(data.notification.title, data.notification.options)
-        .then(() => {
-          console.log('Notification создан', data.notification.options.tag)
-        })
-        .catch((error) => {
-          console.error('Notification ошибка создания', error)
-        }),
-    )
-  } else if (data.type === 'cancelNotification') {
-    event.waitUntil(
-      self.registration
-        .getNotifications({ tag: data.notification.options.tag })
-        .then((notifications) => {
-          notifications.forEach((notification) => {
-            if (
-              notification.tag === data.notification.options.tag ||
-              notification.data.payload.tag === data.notification.options.data.payload.tag // удалить, если notification.tag поддерживают все
-            ) {
-              notification.close()
-              console.log('Notification удален')
-            }
-          })
-        }),
-    )
+  // PushData keys structure standart https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration/showNotification
+  let pushData = event.data.json()
+  if (!pushData || !pushData.notification.title) {
+    console.error('Received WebPush with an empty title. Received body: ', pushData)
   }
+  self.registration
+    .showNotification(pushData.notification.title, pushData.notification.options)
+    .then(function () {
+      // You can save to your analytics fact that push was shown
+      // fetch('https://your_backend_server.com/track_show?message_id=' + pushData.data.message_id);
+    })
 })
 
-self.addEventListener('notificationclose', function (event) {
-  const dismissedNotification = event.notification
-
-  console.log('dismissedNotification', dismissedNotification)
-})
-
-self.addEventListener('notificationclick', (event) => {
-  console.log('click to notification', event.notification)
-
+async function handleNotificationClick(event) {
   event.notification.close()
 
-  // const urlToOpen = new URL(event.notification.data.url, self.location.origin).href
-
+  if (!event.notification.data) {
+    await debug(null, {
+      error: 'Click on WebPush with empty data, where url should be. Notification',
+    })
+    console.error(
+      'Click on WebPush with empty data, where url should be. Notification: ',
+      event.notification,
+    )
+    return
+  }
   if (!event.notification.data.url) {
-    console.log('no urlToOpen')
+    await debug(null, { error: 'Click on WebPush without url. Notification' })
+    console.error('Click on WebPush without url. Notification: ', event.notification)
     return
   }
 
-  function getNotificationUrl(urlToOpen) {
-    return urlToOpen
-    // return fetch(urlToOpen, {
-    //   redirect: 'manual',
-    //   method: 'HEAD',
-    //   cache: 'no-cache',
-    // })
-    //   .then((response) => {
-    //     console.log('response.url', response.url)
-    //     console.log('response.type', response.url)
-    //     if (response && response.type === 'opaqueredirect') {
-    //       const location = response.headers.get('location')
-    //       console.log('headers location', location)
-    //       return location
-    //     }
-    //     return response.url
-    //   })
-    //   .catch((error) => {
-    //     console.debug('erro in getNotificationUrl', error)
-    //     return urlToOpen
-    //   })
-  }
+  await openURL(event.notification.data.url)
+}
 
-  // Открытие URL из данных уведомления
-  event.waitUntil(
-    Promise.all([
-      getNotificationUrl(event.notification.data.url),
+self.addEventListener('notificationclick', (event) => {
+  event.waitUntil(handleNotificationClick(event))
+})
 
-      clients.matchAll({ type: 'window', includeUncontrolled: true }),
-    ])
-      .then(([urlToOpen, clientList]) => {
-        const urlToOpenObj = new URL(urlToOpen, location.origin)
-        for (const client of clientList) {
-          console.log('client.url', client.url)
-          const clientUrlObj = new URL(client.url)
+async function openURL(urlToOpen) {
+  let matchedClients
+  try {
+    const urlToOpenObj = new URL(urlToOpen, location.origin)
+
+    matchedClients = await clients.matchAll({ type: 'window', includeUncontrolled: true })
+
+    try {
+      for (const client of matchedClients) {
+        const clientUrlObj = new URL(client.url)
+        try {
           if (
-            urlToOpenObj.pathname + urlToOpenObj.search ===
+            urlToOpenObj.pathname + urlToOpenObj.search !==
             clientUrlObj.pathname + clientUrlObj.search
           ) {
-            console.log('focus')
-
-            return Promise.all([
-              'focus' in client && client.focus(),
-              client.postMessage({
-                type: 'notificationClick',
-                tag: event.notification.tag,
-                payload: event.notification.payload,
-                url: urlToOpen,
-                matchUrl: true,
-                isIOS,
-              }),
-            ])
-          }
-        }
-
-        if (isIOS && clientList.length > 0) {
-          const client = clientList[0]
-          return Promise.all([
-            client.focus(),
-            client.postMessage({
-              type: 'notificationClick',
-              tag: event.notification.tag,
-              payload: event.notification.payload,
-              url: urlToOpen,
-              matchUrl: false,
-              isIOS,
-            }),
-          ])
-        }
-
-        if (clients.openWindow) {
-          console.log('open new window', urlToOpen)
-
-          return clients.openWindow(urlToOpen).then((client) => {
-            if (client) {
-              return client.postMessage({
-                type: 'notificationClick',
-                tag: event.notification.tag,
-                payload: event.notification.payload,
-                url: urlToOpen,
-                matchUrl: true,
-                isIOS,
-              })
-            } else {
-              console.log('new window not opened')
-              for (const client of clientList) {
-                return client.postMessage({
-                  type: 'notificationClick',
-                  tag: event.notification.tag,
-                  payload: event.notification.payload,
-                  url: urlToOpen,
-                  matchUrl: false,
-                  isIOS,
-                })
-              }
-            }
-          })
-        } else {
-          console.log('clients.openWindow not available')
-
-          for (const client of clientList) {
-            return client.postMessage({
-              type: 'notificationClick',
-              tag: event.notification.tag,
-              payload: event.notification.payload,
-              url: urlToOpen,
-              matchUrl: false,
-              isIOS,
+            await debug(client, {
+              urlToOpenObj: urlToOpenObj.pathname + urlToOpenObj.search,
+              clientUrlObj: clientUrlObj.pathname + clientUrlObj.search,
             })
+            continue
           }
-        }
-      })
 
-      .catch((error) => {
-        console.error(error)
-      }),
-  )
-})
+          if (client.focused) {
+            return
+          }
+
+          await client.focus()
+          return
+        } catch (error) {
+          await debug({ error: error.message })
+        }
+      }
+    } catch (error) {
+      console.error('get client error', error)
+    }
+  } catch (error) {
+    console.error('openURL error', error)
+  }
+
+  try {
+    const client = await clients.openWindow(urlToOpen)
+    if (!client) {
+      await debug(client, { error: 'client is null' })
+      throw new Error('client is null')
+    }
+  } catch (error) {
+    await debug(matchedClients && matchedClients[0], { error: error.message })
+    console.error(error)
+  }
+}
+
+async function debug(client, data) {
+  try {
+    if (!client) {
+      const matchedClients = await clients.matchAll({ type: 'window', includeUncontrolled: true })
+      for (const matchedClient of matchedClients) {
+        if (matchedClient.focused) {
+          client = matchedClient
+          break
+        }
+      }
+      if (!client && matchedClients.length) {
+        return Promise.all(matchedClients.map((client) => debug(client, data)))
+      }
+    }
+
+    if (!client) {
+      throw new Error('not found client for debug')
+    }
+
+    if (!client.postMessage) {
+      console.error('not found client.postMessage for debug', client)
+      return
+    }
+
+    await client.postMessage({
+      type: 'debug',
+      debug: Object.assign({ VER }, data || {}),
+    })
+  } catch (error) {
+    console.error(error)
+  }
+}
diff --git a/apps/frontend/src/App.vue b/apps/frontend/src/App.vue
index a78fb6f..35d0298 100644
--- a/apps/frontend/src/App.vue
+++ b/apps/frontend/src/App.vue
@@ -1,7 +1,61 @@
 <script setup lang="ts">
 import { RouterView } from 'vue-router'
+import { registerServiceWorker } from '@/registerServiceWorker'
+
+const router = useRouter()
+const debugEnabled = ref(import.meta.env.DEV)
+const debugItems = ref<string[]>([])
+const debug = (...data: unknown[]) => {
+  if (debugEnabled.value) {
+    debugItems.value.push(JSON.stringify(data))
+  }
+}
+
+provide('debug', debug)
+
+registerServiceWorker()
+  .then(() => {
+    console.log('Service Worker успешно зарегистрирован')
+    navigator.serviceWorker.addEventListener('message', (event) => {
+      if (event.data.type === 'debug') {
+        if ('debug' in event.data && typeof event.data.debug === 'object') {
+          debug(event.data.debug)
+        }
+      } else if (event.data.type === 'notificationClick' && !event.data.matchUrl) {
+        const url = new URL(event.data.url, location.origin)
+        console.debug('go to', `${url.pathname}${url.search}${url.hash}`)
+        router.push(`${url.pathname}${url.search}${url.hash}`)
+      }
+    })
+  })
+  .catch(console.error)
 </script>
 
 <template>
+  <div class="debug gap-2 py-2 flex flex-col" v-if="debugEnabled">
+    <div class="px-2 text-nowrap" v-for="(value, key) in debugItems" :key>
+      <Button
+        icon="pi pi-trash"
+        class="p-button-danger p-button-text"
+        size="small"
+        @click="debugItems.splice(key, 1)"
+      />
+      <span class="font-mono text-xs">{{ value }}</span>
+    </div>
+  </div>
   <RouterView />
 </template>
+
+<style scoped>
+.debug {
+  position: fixed;
+  top: 0;
+  left: 0;
+  max-width: 100vw;
+  max-height: 100vh;
+  background-color: rgba(0, 0, 0, 0.5);
+  z-index: 9999;
+  overflow-y: scroll;
+  color: white;
+}
+</style>
diff --git a/apps/frontend/src/components/ChatSubscribeWebPush.vue b/apps/frontend/src/components/ChatSubscribeWebPush.vue
index 041ecd8..274afa9 100644
--- a/apps/frontend/src/components/ChatSubscribeWebPush.vue
+++ b/apps/frontend/src/components/ChatSubscribeWebPush.vue
@@ -61,6 +61,8 @@ import { isNotFoundError } from '@/api/PouchDB'
 import { saveUserChatSettings } from '@/api/userChatSettings'
 import { getQrCodeDocument } from '@/api/qrCode'
 
+const debug: (...data: unknown[]) => void = inject('debug')!
+
 // Проверки iOS и запуска из главного экрана
 const isIOS = computed(
   () => /iPad|iPhone|iPod/.test(navigator.userAgent) && !('MSStream' in window && window.MSStream),
@@ -99,7 +101,7 @@ async function requestNotificationPermission() {
   const subscription = await registration.pushManager
     .subscribe(await subscribeOptionsPromise)
     .catch(async (error) => {
-      console.debug('subscribe error', error)
+      debug('subscribe error', error)
       const oldSubscription = await registration.pushManager.getSubscription()
       if (!oldSubscription) {
         throw error
@@ -119,26 +121,23 @@ const getPushSubscription = async () => {
       const permission = await registration.pushManager.permissionState(
         await subscribeOptionsPromise,
       )
-      console.debug('permission', permission)
-      if (permission === 'prompt') {
-        return
-      }
-      if (permission !== 'granted') {
+      debug('permission', permission)
+      if (permission === 'denied') {
         throw new Error(`Разрешение на уведомления не предоставлено: ${permission}`)
       }
 
       const subscription = await registration.pushManager.getSubscription()
       if (subscription) {
-        console.debug('Уже есть активная подписка:', subscription)
+        debug('Уже есть активная подписка:', subscription)
         return subscription
       } else {
-        console.debug('Нет активной подписки на Push-уведомления.')
+        debug('Нет активной подписки на Push-уведомления.')
       }
     } else {
-      console.warn('Push уведомления или Service Worker не поддерживаются в этом браузере.')
+      debug('Push уведомления или Service Worker не поддерживаются в этом браузере.')
     }
   } catch (error) {
-    console.error('Произошла ошибка при получении подписки:', error)
+    debug('Произошла ошибка при получении подписки:', error)
     throw error
   }
 }
@@ -151,7 +150,7 @@ const stage = ref<'receivePushSubscription' | 'createPushSubscription' | 'remove
 const { isPending, isError, error, mutate } = useMutation({
   mutationKey: [stage],
   mutationFn: async () => {
-    console.debug('stage', stage.value)
+    debug({ stage: stage.value })
     try {
       if (stage.value === 'receivePushSubscription') {
         const chatSettingsDocument = await getUserChatSettingsDocument({
@@ -160,13 +159,16 @@ const { isPending, isError, error, mutate } = useMutation({
           user_chat_role,
         }).catch((error) => {
           if (!isNotFoundError(error)) {
-            console.debug('chatSettingsDocument error not found - its ok', error)
+            debug('chatSettingsDocument error', error)
             throw error
           }
-          console.debug('chatSettingsDocument error', error)
+          debug('chatSettingsDocument not found') // it's ok
         })
         if (chatSettingsDocument) {
-          console.debug('chatSettingsDocument', chatSettingsDocument)
+          debug(
+            'chatSettingsDocument.is_push_notification_enabled',
+            chatSettingsDocument.is_push_notification_enabled,
+          )
         }
         if (
           (chatSettingsDocument && chatSettingsDocument.is_push_notification_enabled) ||
@@ -186,9 +188,11 @@ const { isPending, isError, error, mutate } = useMutation({
             }
             enabled.value = true
             stage.value = 'removePushSubscription'
+            debug('subscribed')
           } else {
             stage.value = 'createPushSubscription'
             enabled.value = false
+            debug('have to createPushSubscription')
           }
         } else {
           stage.value = 'createPushSubscription'
@@ -211,7 +215,7 @@ const { isPending, isError, error, mutate } = useMutation({
       }
     } catch (error) {
       enabled.value = false
-      console.debug('unknown error at stage ', stage.value, error)
+      debug('unknown error at stage ', stage.value, error)
       throw error
     }
     return null
diff --git a/apps/frontend/src/main.ts b/apps/frontend/src/main.ts
index ddbe4fa..9a4e0a2 100644
--- a/apps/frontend/src/main.ts
+++ b/apps/frontend/src/main.ts
@@ -31,7 +31,6 @@ const MyPreset = definePreset(Aura, {
 
 import App from './App.vue'
 import router from './router'
-import { registerServiceWorker } from '@/registerServiceWorker'
 
 const app = createApp(App)
 
@@ -61,21 +60,8 @@ app.use(PrimeVue, {
     },
   },
 })
+app.config.globalProperties.$swDebug = ref([])
 
 app.mount('#app')
 
-registerServiceWorker()
-  .then(() => {
-    console.log('Service Worker успешно зарегистрирован')
-    navigator.serviceWorker.addEventListener('message', (event) => {
-      console.debug('serviceWorker message', event.data)
-      if (event.data.type === 'notificationClick' && !event.data.matchUrl) {
-        const url = new URL(event.data.url, location.origin)
-        console.debug('go to', `${url.pathname}${url.search}${url.hash}`)
-        router.push(`${url.pathname}${url.search}${url.hash}`)
-      }
-    })
-  })
-  .catch(console.error)
-
 window.PouchDB = PouchDB // it for debug in console only
diff --git a/apps/frontend/src/registerServiceWorker.ts b/apps/frontend/src/registerServiceWorker.ts
index 210fbf0..a641a31 100644
--- a/apps/frontend/src/registerServiceWorker.ts
+++ b/apps/frontend/src/registerServiceWorker.ts
@@ -3,9 +3,33 @@ export async function registerServiceWorker() {
     throw new Error('Ваш браузер не поддерживает Service Worker.')
   }
 
+  function requestDebugVersion() {
+    navigator.serviceWorker?.controller?.postMessage({
+      type: 'requestDebugVersion',
+    })
+  }
+
+  navigator.serviceWorker.addEventListener('controllerchange', () => {
+    console.log('Service Worker controller has changed.')
+    requestDebugVersion()
+  })
+
   try {
     const registration = await navigator.serviceWorker.register('/service-worker.js')
     console.log('Service Worker зарегистрирован:', registration)
+
+    requestDebugVersion()
+
+    window.addEventListener(
+      'focus',
+      () => {
+        navigator.serviceWorker?.controller?.postMessage({
+          type: 'focused',
+        })
+      },
+      {},
+    )
+
     return registration
   } catch (error) {
     console.error('Ошибка регистрации Service Worker:', error)