Things are looking and working better. Note the Modal size is set to "". This allows it to stretch to the full width of the screen.

src/routes/events/[event_id]/(launcher)/launcher_presenter_view.svelte

@@ -85,6 +85,10 @@ let lq__event_file_obj_li = $derived(liveQuery(async () => {
                 session_type={event_file_obj?.event_session_type_code ?? 'oral'}
                 open_method={event_file_obj?.event_session_type_code == 'poster' ? 'modal' : null}
                 modal_title={lq__event_presenter_obj?.event_presentation_name}
+
+                bind:modal__title={$events_sess.launcher.modal__title}
+                bind:modal__open_event_file_id={$events_sess.launcher.modal__open_event_file_id}
+                bind:modal__event_file_obj={$events_sess.launcher.modal__event_file_obj}
                 />
         </li>
     {/each}