Feat: optimizations

src/views/main_view.rs

@@ -196,7 +196,7 @@ fn render_tile(
     };
 
     let link_color = step.and_then(|s| s.source).map(|src| {
-        let i = src % 5;
+        let i = src as usize % 5;
         (theme.tile.link_bright[i], theme.tile.link_dim[i])
     });
 
@@ -236,7 +236,7 @@ fn render_tile(
 
     // For linked steps, get the name from the source step
     let step_name = if let Some(src) = source_idx {
-        pattern.step(src).and_then(|s| s.name.as_ref())
+        pattern.step(src as usize).and_then(|s| s.name.as_ref())
     } else {
         step.and_then(|s| s.name.as_ref())
     };