Add local network address classifier and permission advisor

libraries/permissions/api/src/main/kotlin/io/element/android/libraries/permissions/api/LocalNetworkPermissionAdvisor.kt

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2026 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.permissions.api
+
+interface LocalNetworkPermissionAdvisor {
+    /**
+     * Returns true when the app should request the ACCESS_LOCAL_NETWORK permission before making
+     * network requests to [homeserverUrl].
+     */
+    suspend fun shouldRequestPermissionFor(homeserverUrl: String): Boolean
+}