Controller: hold to show the secondary subtitle, dictionary entry navigation, standard button names (#312)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

src/config/resolve/controller.ts

@@ -88,6 +88,9 @@ const CONTROLLER_DISCRETE_BINDING_KEYS = [
   'nextAudio',
   'playCurrentAudio',
   'toggleMpvPause',
+  'holdSecondarySub',
+  'previousEntry',
+  'nextEntry',
 ] as const;
 
 const CONTROLLER_AXIS_BINDING_KEYS = [