Update dataset ID and optimize graph visibility

src/components/data-recharts.tsx

@@ -94,7 +94,8 @@ const SingleDataGraph = React.memo(
       // Get all keys except timestamp from the first row
       const keys = Object.keys(chartData[0]).filter((k) => k !== "timestamp");
       setDataKeys(keys);
-      setVisibleKeys(keys);
+      // Default to hidden to avoid performance issues with many joints
+      setVisibleKeys([]);
     }, [chartData]);
 
     // Parse dataKeys into groups (dot notation)