update eslint and refactor backend

eslint.config.js

@@ -1,54 +1,22 @@
 // eslint.config.js
-import js from '@eslint/js';
-import stylistic from '@stylistic/eslint-plugin';
-import jsxA11y from 'eslint-plugin-jsx-a11y';
-import react from 'eslint-plugin-react';
-import reactHooks from 'eslint-plugin-react-hooks';
-import tseslint from 'typescript-eslint';
-import unusedImports from 'eslint-plugin-unused-imports';
+import config from '@sebastianbrenner/eslint-config/src/index.js';
 
 export default [
-    js.configs.recommended,
-    ...tseslint.configs.recommended,
-    {
-        plugins: {
-            react,
-            'react-hooks': reactHooks,
-            'jsx-a11y': jsxA11y,
-            '@stylistic': stylistic,
-            'unused-imports': unusedImports,
-        },
-        rules: {
-            // React 19 JSX transform requires no React in scope
-            'react/react-in-jsx-scope': 'off',
-
-            // Hooks rules
-            'react-hooks/rules-of-hooks': 'error',
-            'react-hooks/exhaustive-deps': 'warn',
-
-            // Accessibility
-            'jsx-a11y/alt-text': 'warn',
-
-            // Style rules (using @stylistic)
-            '@stylistic/indent': ['error', 4],
-            '@stylistic/semi': ['error', 'always'],
-            '@stylistic/quotes': ['error', 'single', { avoidEscape: true }],
-            '@stylistic/no-trailing-spaces': 'error',
-            '@stylistic/no-multiple-empty-lines': 'error',
-
-            'unused-imports/no-unused-imports': 'error',
-        },
-        settings: {
-            react: {
-                version: 'detect',
-            },
-        },
-    },
+    ...config,
     {
         ignores: [
             'dist',
             'build',
             'node_modules',
         ],
+        rules: {
+            "react/react-in-jsx-scope": "off",
+            "react/jsx-newline": ["error", { "prevent": true }],
+            "@typescript-eslint/no-unsafe-assignment": "off",
+            "indent": ["error", 4]
+        },
+        settings: {
+            'import/core-modules': ['bun' ]
+        }
     },
 ];