Setup vite-plugin-devtools-json to make quite console

Author: techniq

packages/layerchart/package.json

@@ -79,6 +79,7 @@
     "unplugin-icons": "^22.1.0",
     "us-atlas": "^3.0.1",
     "vite": "^6.3.5",
+    "vite-plugin-devtools-json": "^0.1.0",
     "vitest": "^3.1.4"
   },
   "type": "module",

packages/layerchart/vite.config.js

@@ -4,6 +4,7 @@ import tailwindcss from '@tailwindcss/vite';
 import dsv from '@rollup/plugin-dsv';
 import { autoType } from 'd3-dsv';
 import Icons from 'unplugin-icons/vite';
+import devtoolsJson from 'vite-plugin-devtools-json';
 
 /** @type {import('vite').UserConfig} */
 const config = {
@@ -16,6 +17,7 @@ const config = {
     Icons({
       compiler: 'svelte',
     }),
+    devtoolsJson(),
   ],
   // optimizeDeps: {
   //   include: ['svelte-ux'],