enhance web UI with retrieval testing and UI improvements

lightrag_webui/eslint.config.js

@@ -10,7 +10,7 @@ import react from 'eslint-plugin-react'
 export default tseslint.config(
   { ignores: ['dist'] },
   {
-    extends: [js.configs.recommended, ...tseslint.configs.recommended],
+    extends: [js.configs.recommended, ...tseslint.configs.recommended, prettier],
     files: ['**/*.{ts,tsx,js,jsx}'],
     languageOptions: {
       ecmaVersion: 2020,
@@ -31,7 +31,6 @@ export default tseslint.config(
       '@stylistic/js/indent': ['error', 2],
       '@stylistic/js/quotes': ['error', 'single'],
       '@typescript-eslint/no-explicit-any': ['off']
-    },
-    prettier
+    }
   }
 )