deploy linting and first unit test maybe

.eslintrc.cjs

@@ -1,18 +0,0 @@
-module.exports = {
-  root: true,
-  env: { browser: true, es2020: true },
-  extends: [
-    'eslint:recommended',
-    'plugin:@typescript-eslint/recommended',
-    'plugin:react-hooks/recommended',
-  ],
-  ignorePatterns: ['dist', '.gitea', 'supabase', 'node_modules', '*.cjs'],
-  parser: '@typescript-eslint/parser',
-  plugins: ['react-refresh'],
-  rules: {
-    'react-refresh/only-export-components': [
-      'warn',
-      { allowConstantExport: true },
-    ],
-  },
-}

eslint.config.js

@@ -0,0 +1,35 @@
+import globals from "globals";
+import tseslint from "typescript-eslint";
+import pluginReact from "eslint-plugin-react";
+import pluginReactHooks from "eslint-plugin-react-hooks";
+import pluginReactRefresh from "eslint-plugin-react-refresh";
+
+export default tseslint.config(
+  {
+    // Global ignores
+    ignores: ["dist", ".gitea", "supabase", "node_modules", "*.cjs"],
+  },
+  {
+    // All files
+    files: ["**/*.{js,mjs,cjs,ts,jsx,tsx}"],
+    plugins: {
+      react: pluginReact,
+      "react-hooks": pluginReactHooks,
+      "react-refresh": pluginReactRefresh,
+    },
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals.es2020,
+      },
+    },
+    rules: {
+      "react-refresh/only-export-components": [
+        "warn",
+        { allowConstantExport: true },
+      ],
+    },
+  },
+  // TypeScript files
+  ...tseslint.configs.recommended,
+);

package.json

@@ -28,9 +28,11 @@
     "@vitejs/plugin-react": "^5.1.0",
     "@vitest/coverage-v8": "^4.0.8",
     "autoprefixer": "^10.4.22",
+    "eslint-plugin-react": "^7.35.0",
     "eslint": "^9.39.1",
     "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-refresh": "^0.4.24",
+    "globals": "^15.9.0",
     "jsdom": "^27.1.0",
     "postcss": "^8.5.6",
     "tailwindcss": "^4.1.17",