deploy linting and first unit test maybe

.eslintrc.cjs

@@ -0,0 +1,18 @@
+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 },
+    ],
+  },
+}

package.json

@@ -7,7 +7,8 @@
     "dev": "vite",
     "build": "vite build",
     "preview": "vite preview",
-    "test": "vitest run --coverage"
+    "test": "vitest run --coverage",
+    "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0"
   },
   "dependencies": {
     "@google/genai": "^1.28.0",
@@ -22,9 +23,14 @@
     "@testing-library/react": "^16.0.0",
     "@testing-library/jest-dom": "^6.4.8",
     "@types/node": "^22.14.0",
+    "@typescript-eslint/eslint-plugin": "^7.18.0",
+    "@typescript-eslint/parser": "^7.18.0",
     "@vitejs/plugin-react": "^5.0.0",
     "@vitest/coverage-v8": "^2.0.4",
     "autoprefixer": "^10.4.19",
+    "eslint": "^8.57.0",
+    "eslint-plugin-react-hooks": "^4.6.2",
+    "eslint-plugin-react-refresh": "^0.4.9",
     "jsdom": "^27.1.0",
     "postcss": "^8.4.40",
     "tailwindcss": "^3.4.10",