Address code review feedback: improve type safety and comments

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

packages/plugin-charts/src/index.tsx

@@ -9,6 +9,7 @@
 import React, { Suspense } from 'react';
 import { ComponentRegistry } from '@object-ui/core';
 import { Skeleton } from '@object-ui/components';
+import type { ChartConfig } from './ChartContainerImpl';
 
 // Export types for external use
 export type { BarChartSchema } from './types';
@@ -124,7 +125,7 @@ export const ChartRenderer: React.FC<ChartRendererProps> = ({ schema }) => {
     // 3. Auto-generate config/colors if missing
     if (!config && series) {
        const colors = (schema as any).colors || ['hsl(var(--chart-1))', 'hsl(var(--chart-2))', 'hsl(var(--chart-3))']; 
-       const newConfig: Record<string, any> = {};
+       const newConfig: ChartConfig = {};
        series.forEach((s: any, idx: number) => {
          newConfig[s.dataKey] = { label: s.dataKey, color: colors[idx % colors.length] };
        });

packages/plugin-dashboard/tsconfig.json

@@ -7,7 +7,7 @@
     "paths": {
       "@/*": ["src/*"]
     },
-    // Removed rootDir to prevent file not under rootDir errors when importing from workspace dependencies
+    // Removed explicit rootDir to prevent file not under rootDir errors when importing from workspace dependencies
     "noEmit": false,
     "declaration": true,
     "composite": true,