feat: Only add cost ticks if the cost is greater than zero

aider/website/docs/leaderboards/index.md

@@ -220,6 +220,12 @@ document.addEventListener('DOMContentLoaded', function() {
 
         // Add tick divs to each cost cell
         costCells.forEach(cell => {
+          const costBar = cell.querySelector('.cost-bar');
+          // Use optional chaining and provide '0' as fallback if costBar or dataset.cost is missing
+          const cost = parseFloat(costBar?.dataset?.cost || '0');
+
+          // Only add ticks if the cost is actually greater than 0
+          if (cost > 0) {
             // Clear existing ticks if any (e.g., during updates, though not strictly needed here)
             // cell.querySelectorAll('.cost-tick').forEach(t => t.remove());
 
@@ -232,6 +238,7 @@ document.addEventListener('DOMContentLoaded', function() {
                 cell.appendChild(tick);
               }
             });
+          }
         });
       }
     }