Show Wrist and Tips by default in graphs

src/components/data-recharts.tsx

@@ -94,8 +94,13 @@ 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);
-      // Default to hidden to avoid performance issues with many joints
-      setVisibleKeys([]);
+      
+      // Show WRIST and TIPS by default for a good overview without performance lag
+      const defaultVisible = keys.filter(k => 
+        k.toLowerCase().includes("wrist") || 
+        k.toLowerCase().includes("tip")
+      );
+      setVisibleKeys(defaultVisible);
     }, [chartData]);
 
     // Parse dataKeys into groups (dot notation)