Feat: demo songs

src/views/patterns_view.rs

@@ -559,6 +559,9 @@ fn render_mini_tile_grid(
     let row_gap: u16 = 1;
     let max_tile_height: u16 = 4;
 
+    let max_rows = (area.height as usize + row_gap as usize) / (1 + row_gap as usize);
+    let num_rows = num_rows.min(max_rows.max(1));
+
     let available_for_rows =
         area.height.saturating_sub((num_rows.saturating_sub(1) as u16) * row_gap);
     let tile_height = (available_for_rows / num_rows as u16).min(max_tile_height).max(1);