wip: directional focus!

crates/tek_sequencer/src/arranger_cli.rs

@@ -58,9 +58,10 @@ impl ArrangerCli {
             )?
         );
         Tui::run(Arc::new(RwLock::new(Arranger {
+            focus_cursor:   (0, 1),
             transport:      self.transport.then_some(transport),
             show_sequencer: Some(tek_core::Direction::Down),
-            focus:          0,
+            focus:          ArrangerFocus::Arrangement,
             modal:          None,
             editor:         PhraseEditor::new(),
             arrangement,