chore(lib): register MS Graph calendar commands (T8.9, M4.4)

src-tauri/src/lib.rs

@@ -249,6 +249,9 @@ pub fn run() {
             commands::list_calendar_events,
             commands::get_calendar_event,
             commands::attach_meeting_to_event,
+            commands::begin_graph_calendar_link,
+            commands::import_graph_calendar,
+            commands::disconnect_graph_calendar,
             commands::rename_meeting,
             commands::list_sync_targets,
             commands::add_sync_target,