Avoid using navigateUp.

libraries/architecture/src/main/kotlin/io/element/android/libraries/architecture/navigation/BaseCallback.kt

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2025 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.architecture.navigation
+
+import com.bumble.appyx.core.plugin.Plugin
+
+/**
+ * Base callback interface to be implemented by callers to handle results from nodes.
+ */
+fun interface BaseCallback : Plugin {
+    fun onDone()
+}

libraries/architecture/src/main/kotlin/io/element/android/libraries/architecture/navigation/BaseNavigator.kt

@@ -7,6 +7,9 @@
 
 package io.element.android.libraries.architecture.navigation
 
+/**
+ * Base navigator interface to be implemented by nodes to handle navigation actions from presenters.
+ */
 fun interface BaseNavigator {
     fun close()
 }