Add new drawable resources for icons and themes

- Created `archive_filled.xml` for filled archive icon.
- Added `bookmark_outlined.xml` for outlined bookmark icon.
- Introduced `day_theme_filled.xml` for day theme icon.
- Added `folder_outlined.xml` for outlined folder icon.
- Created `gear_outlined.xml` for outlined gear icon.
- Introduced `night_mode.xml` for night mode icon.

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

@@ -415,6 +415,16 @@ class MainActivity : FragmentActivity() {
                                                                 publicKey = acc.publicKey
                                                         )
                                                     }
+                                        },
+                                        onSwitchAccount = { targetPublicKey ->
+                                            // Switch to another account: logout current, then auto-login target
+                                            currentAccount = null
+                                            scope.launch {
+                                                com.rosetta.messenger.network.ProtocolManager.disconnect()
+                                                accountManager.logout()
+                                                // Set the target account as last logged so UnlockScreen picks it up
+                                                accountManager.setLastLoggedPublicKey(targetPublicKey)
+                                            }
                                         }
                                 )
                             }
@@ -560,7 +570,8 @@ fun MainScreen(
         onThemeModeChange: (String) -> Unit = {},
         onLogout: () -> Unit = {},
         onDeleteAccount: () -> Unit = {},
-        onAccountInfoUpdated: suspend () -> Unit = {}
+        onAccountInfoUpdated: suspend () -> Unit = {},
+        onSwitchAccount: (String) -> Unit = {}
 ) {
     // Reactive state for account name and username
     var accountName by remember { mutableStateOf(account?.name ?: "Account") }
@@ -754,7 +765,12 @@ fun MainScreen(
                 },
                 chatsViewModel = chatsListViewModel,
                 avatarRepository = avatarRepository,
-                onLogout = onLogout
+                onLogout = onLogout,
+                onAddAccount = {
+                    // Logout current account and go to auth screen to add new one
+                    onLogout()
+                },
+                onSwitchAccount = onSwitchAccount
         )
 
         SwipeBackContainer(