refactor(alert-settings): integrate AppShell layout and update cache version

- Replace custom page layout with AppShell component for consistent UI
- Remove unused PageHeader and UpdateAlertConditionDto imports
- Update service worker cache names and version.json to new timestamp

src/app/page.tsx

@@ -6,6 +6,7 @@ import { Smartphone, ArrowLeft } from 'lucide-react'
 import Loading from '@/components/Loading'
 import { MobileInput } from '@/components/forms'
 import { ErrorMessage } from '@/components/common'
+import { getCurrentPersianYear, getCurrentPersianMonth, getCurrentPersianDay } from '@/lib/date/persian-date'
 
 export default function Home() {
   const router = useRouter()
@@ -20,9 +21,35 @@ export default function Home() {
     
     if (token && userStr) {
       try {
-        JSON.parse(userStr)
-        // Redirect to devices check
-        router.push('/devices')
+        const user = JSON.parse(userStr)
+
+        // Try to use the saved device from localStorage first
+        const savedDeviceId = localStorage.getItem('selectedDeviceId')
+        if (savedDeviceId) {
+          const today = `${getCurrentPersianYear()}/${String(getCurrentPersianMonth()).padStart(2, '0')}/${String(getCurrentPersianDay()).padStart(2, '0')}`
+          router.push(`/daily-report?deviceId=${savedDeviceId}&date=${encodeURIComponent(today)}`)
+          return
+        }
+
+        // No saved device — fetch user devices and auto-select the first one
+        api.getUserDevices(user.id)
+          .then((devices) => {
+            if (devices.length > 0) {
+              const firstDevice = devices[0]
+              // Save to localStorage
+              localStorage.setItem('selectedDeviceId', String(firstDevice.id))
+              localStorage.setItem('selectedDeviceName', firstDevice.deviceName)
+              const today = `${getCurrentPersianYear()}/${String(getCurrentPersianMonth()).padStart(2, '0')}/${String(getCurrentPersianDay()).padStart(2, '0')}`
+              router.push(`/daily-report?deviceId=${firstDevice.id}&date=${encodeURIComponent(today)}`)
+            } else {
+              // No devices — go to devices page to show the error
+              router.push('/devices')
+            }
+          })
+          .catch(() => {
+            // On error, fall back to devices page
+            router.push('/devices')
+          })
       } catch {
         // Invalid user data, go to login
       }