fix main stats of battery view of growatt

typescript/frontend-marios2/src/content/dashboards/BatteryView/MainStatsSodioHome.tsx

@@ -151,22 +151,25 @@ function MainStatsSodioHome(props: MainStatsSodioHomeProps) {
       pathsToSearch.push('Node' + i);
     }
 
+    const total = pathsToSearch.length;
     let i = 0;
     pathsToSearch.forEach((devicePath) => {
       if (
         Object.hasOwnProperty.call(chartData[category].data, devicePath) &&
         chartData[category].data[devicePath].data.length != 0
       ) {
+        // Spread color indices evenly across the palette for better contrast
+        const colorIndex = total <= 1 ? 0 : Math.round(i * 9 / (total - 1));
         series.push({
           ...chartData[category].data[devicePath],
           color:
             color === 'blue'
-              ? blueColors[i]
+              ? blueColors[colorIndex]
               : color === 'red'
-              ? redColors[i]
+              ? redColors[colorIndex]
               : color === 'green'
-              ? greenColors[i]
-              : orangeColors[i]
+              ? greenColors[colorIndex]
+              : orangeColors[colorIndex]
         });
       }
       i++;

typescript/frontend-marios2/src/interfaces/Chart.tsx

@@ -226,7 +226,8 @@ export const transformInputToBatteryViewDataJson = async (
           categories.forEach((category) => {
             pathsToSave.forEach((path) => {
               if (pathsToSave.indexOf(path) >= old_length) {
-                chartData[category].data[path] = { name: path, data: [] };
+                const displayIndex = pathsToSave.indexOf(path);
+                chartData[category].data[path] = { name: 'Battery Cluster ' + (displayIndex + 1), data: [] };
               }
             });
           });