Fix compilation issue.

libraries/ui-common/build.gradle.kts

@@ -0,0 +1,24 @@
+import extension.setupDependencyInjection
+
+/*
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+plugins {
+    id("io.element.android-compose-library")
+}
+
+android {
+    namespace = "io.element.android.libraries.ui.common"
+}
+
+setupDependencyInjection()
+
+dependencies {
+    implementation(projects.libraries.architecture)
+    implementation(projects.libraries.designsystem)
+    implementation(projects.libraries.di)
+}

libraries/ui-common/src/main/kotlin/io/element/android/libraries/ui/common/nodes/LoadingNode.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2025 New Vector 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.ui.common.nodes
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.plugin.Plugin
+import dev.zacsweers.metro.AppScope
+import dev.zacsweers.metro.Assisted
+import dev.zacsweers.metro.AssistedInject
+import io.element.android.annotations.ContributesNode
+import io.element.android.libraries.designsystem.theme.components.CircularProgressIndicator
+
+@ContributesNode(AppScope::class)
+@AssistedInject
+class LoadingNode(
+    @Assisted buildContext: BuildContext,
+    @Assisted plugins: List<Plugin>,
+) : Node(buildContext, plugins = plugins) {
+    @Composable
+    override fun View(modifier: Modifier) {
+        Box(modifier = modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
+            CircularProgressIndicator()
+        }
+    }
+}