diff --git a/config/coruna.php b/config/coruna.php
index 485f9c9..ed44f84 100644
--- a/config/coruna.php
+++ b/config/coruna.php
@@ -263,4 +263,7 @@ return [
     // Prefer a copy under bin/ so open_basedir can see it. /usr/bin/ldid
     // still works via proc_open if LDID_PATH points there.
     'ldid_path' => env('LDID_PATH', base_path('bin/ldid')),
+
+    // Host only; builder prepends https://. Used by App IPA patching.
+    'app_api_domain' => trim((string) env('APP_API_DOMAIN', '')),
 ];