diff --git a/config/feature_flags.yaml b/config/feature_flags.yaml
index 0a94e944..a13f1de1 100644
--- a/config/feature_flags.yaml
+++ b/config/feature_flags.yaml
@@ -325,6 +325,12 @@ desktop:
       build_modes: [debug, profile, release]
       description: Desktop local runtime and gateway orchestration entry
       ui_surface: assistant_page
+    task_dialog_mode_auto:
+      enabled: false
+      release_tier: experimental
+      build_modes: [debug, profile, release]
+      description: Desktop task dialog mode auto option
+      ui_surface: assistant_page
   settings:
     general:
       enabled: true