Fix back stack

composeApp/src/commonMain/kotlin/ru/fromchat/ui/NavControllerExtensions.kt

@@ -1,19 +0,0 @@
-package ru.fromchat.ui
-
-import androidx.navigation.NavController
-
-/**
- * Clears the entire back stack except the current screen
- */
-fun NavController.wipeBackStack() {
-    // Keep popping until there are no previous entries
-    var entry = previousBackStackEntry
-    while (entry != null) {
-        val destinationId = entry.destination.id
-        val success = popBackStack(destinationId, inclusive = true)
-        if (!success) break
-        // Check again after popping
-        entry = previousBackStackEntry
-    }
-}
-

composeApp/src/commonMain/kotlin/ru/fromchat/ui/setup/ServerConfigScreen.kt

@@ -39,6 +39,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.unit.dp
+import com.pr0gramm3r101.utils.navigateAndWipeBackStack
 import com.pr0gramm3r101.utils.storage.ServerConfigData
 import kotlinx.coroutines.launch
 import org.jetbrains.compose.resources.stringResource
@@ -54,7 +55,6 @@ import ru.fromchat.server_config_title
 import ru.fromchat.server_url_hint
 import ru.fromchat.server_url_label
 import ru.fromchat.ui.LocalNavController
-import ru.fromchat.ui.wipeBackStack
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -166,11 +166,8 @@ fun ServerConfigScreen() {
                         // Shutdown WebSocket (will reconnect on login)
                         WebSocketManager.shutdown()
                         
-                        // Clear entire back stack except current screen
-                        navController.wipeBackStack()
-                        
-                        // Navigate to login
-                        navController.navigate("login")
+                        // Navigate to login and wipe entire back stack
+                        navController.navigateAndWipeBackStack("login")
                     }
                 },
                 enabled = !isLoading && serverUrl.isNotBlank(),

utils/build.gradle.kts

@@ -37,6 +37,7 @@ kotlin {
             implementation(libs.constraintlayout)
             implementation(compose.materialIconsExtended)
             implementation(libs.jetbrains.kotlinx.coroutines.core)
+            implementation(libs.navigation.compose)
         }
 
         androidMain.dependencies {

utils/src/commonMain/kotlin/com/pr0gramm3r101/utils/Compose.kt

@@ -0,0 +1,38 @@
+package com.pr0gramm3r101.utils
+
+import androidx.navigation.NavController
+
+/**
+ * Navigates to the specified route and clears the entire back stack.
+ * This ensures the destination becomes the new root of the navigation stack.
+ *
+ * @param route The destination route to navigate to
+ * @param launchSingleTop If true, prevents multiple instances of the same destination
+ */
+fun NavController.navigateAndWipeBackStack(route: String, launchSingleTop: Boolean = true) {
+    // First, pop all previous entries (keeping current screen for now)
+    while (previousBackStackEntry != null) {
+        if (!popBackStack()) {
+            break
+        }
+    }
+
+    // Get current route to pop it with the navigation
+    val currentRoute = currentBackStackEntry?.destination?.route
+
+    // Navigate to the new route, removing the current screen as well
+    if (currentRoute != null && currentRoute != route) {
+        navigate(route) {
+            popUpTo(currentRoute) {
+                inclusive = true
+            }
+            this.launchSingleTop = launchSingleTop
+        }
+    } else {
+        // Fallback: just navigate if current route is same or null
+        navigate(route) {
+            this.launchSingleTop = launchSingleTop
+        }
+    }
+}
+