feat: implement device verification flow with new UI components and protocol handling

app/src/main/java/com/rosetta/messenger/MainActivity.kt

@@ -37,6 +37,7 @@ import com.rosetta.messenger.network.SearchUser
 import com.rosetta.messenger.repository.AvatarRepository
 import com.rosetta.messenger.ui.auth.AccountInfo
 import com.rosetta.messenger.ui.auth.AuthFlow
+import com.rosetta.messenger.ui.auth.DeviceConfirmScreen
 import com.rosetta.messenger.ui.chats.ChatDetailScreen
 import com.rosetta.messenger.ui.chats.ChatsListScreen
 import com.rosetta.messenger.ui.chats.RequestsListScreen
@@ -144,6 +145,7 @@ class MainActivity : FragmentActivity() {
                         else -> true
                     }
             val isLoggedIn by accountManager.isLoggedIn.collectAsState(initial = null)
+            val protocolState by ProtocolManager.state.collectAsState()
             var showSplash by remember { mutableStateOf(true) }
             var showOnboarding by remember { mutableStateOf(true) }
             var hasExistingAccount by remember { mutableStateOf<Boolean?>(null) }
@@ -210,6 +212,9 @@ class MainActivity : FragmentActivity() {
                                                 "auth_new"
                                         isLoggedIn != true && hasExistingAccount == true ->
                                                 "auth_unlock"
+                                        protocolState ==
+                                                ProtocolState.DEVICE_VERIFICATION_REQUIRED ->
+                                                "device_confirm"
                                         else -> "main"
                                     },
                             transitionSpec = {
@@ -430,6 +435,18 @@ class MainActivity : FragmentActivity() {
                                         }
                                 )
                             }
+                            "device_confirm" -> {
+                                DeviceConfirmScreen(
+                                        isDarkTheme = isDarkTheme,
+                                        onExit = {
+                                            currentAccount = null
+                                            scope.launch {
+                                                ProtocolManager.disconnect()
+                                                accountManager.logout()
+                                            }
+                                        }
+                                )
+                            }
                         }
                     }
                 }
@@ -690,7 +707,9 @@ fun MainScreen(
     // Appearance: background blur color preference
     val prefsManager = remember { com.rosetta.messenger.data.PreferencesManager(context) }
     val backgroundBlurColorId by
-            prefsManager.backgroundBlurColorId.collectAsState(initial = "avatar")
+            prefsManager
+                    .backgroundBlurColorIdForAccount(accountPublicKey)
+                    .collectAsState(initial = "avatar")
     val pinnedChats by prefsManager.pinnedChats.collectAsState(initial = emptySet())
 
     // AvatarRepository для работы с аватарами
@@ -920,7 +939,9 @@ fun MainScreen(
                     currentBlurColorId = backgroundBlurColorId,
                     onBack = { navStack = navStack.filterNot { it is Screen.Appearance } },
                     onBlurColorChange = { newId ->
-                        mainScreenScope.launch { prefsManager.setBackgroundBlurColorId(newId) }
+                        mainScreenScope.launch {
+                            prefsManager.setBackgroundBlurColorId(accountPublicKey, newId)
+                        }
                     },
                     onToggleTheme = onToggleTheme,
                     accountPublicKey = accountPublicKey,