Fix VibeDev end-to-end: ESLint v9 config, working lint, health endpoint smoke test in CI

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
         run: npm --prefix client install
 
       - name: Lint server
-        run: npx eslint server --ext .js || true
+        run: npx eslint server/
 
       - name: Build client
         run: npm run build:client
@@ -42,5 +42,18 @@ jobs:
           node -e "import('./server/config.js').then(c => { const v = c.validateEnv(); if (v.errors.length) { console.error(v.errors); process.exit(1); } console.log('config OK'); })"
           echo "✅ Backend imports and mock AI provider work."
 
+      - name: Smoke-test health endpoint
+        run: |
+          node server/index.js &
+          SERVER_PID=$!
+          sleep 3
+          STATUS=$(curl -s -o /dev/null -w "%{http_code}" http://localhost:4000/api/health)
+          kill $SERVER_PID 2>/dev/null || true
+          if [ "$STATUS" != "200" ]; then
+            echo "❌ Health endpoint returned HTTP $STATUS"
+            exit 1
+          fi
+          echo "✅ Health endpoint returned HTTP 200"
+
       - name: Dependency audit (non-blocking)
         run: npm audit --omit=dev --audit-level=high || true

eslint.config.js

@@ -0,0 +1,74 @@
+import js from '@eslint/js';
+import reactPlugin from 'eslint-plugin-react';
+import reactHooksPlugin from 'eslint-plugin-react-hooks';
+
+export default [
+  js.configs.recommended,
+  {
+    files: ['server/**/*.js'],
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: 'module',
+      globals: {
+        process: 'readonly',
+        console: 'readonly',
+        Buffer: 'readonly',
+        __dirname: 'readonly',
+        __filename: 'readonly',
+        setTimeout: 'readonly',
+        clearTimeout: 'readonly',
+        setInterval: 'readonly',
+        clearInterval: 'readonly',
+        URL: 'readonly',
+        fetch: 'readonly',
+        FormData: 'readonly',
+        Headers: 'readonly',
+        Response: 'readonly',
+        Request: 'readonly',
+      },
+    },
+    rules: {
+      'no-unused-vars': ['warn', { argsIgnorePattern: '^_' }],
+      'no-console': 'off',
+    },
+  },
+  {
+    files: ['client/src/**/*.{js,jsx}'],
+    plugins: {
+      react: reactPlugin,
+      'react-hooks': reactHooksPlugin,
+    },
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: 'module',
+      parserOptions: {
+        ecmaFeatures: { jsx: true },
+      },
+      globals: {
+        window: 'readonly',
+        document: 'readonly',
+        localStorage: 'readonly',
+        console: 'readonly',
+        setTimeout: 'readonly',
+        clearTimeout: 'readonly',
+        fetch: 'readonly',
+        FormData: 'readonly',
+        FileReader: 'readonly',
+        Blob: 'readonly',
+      },
+    },
+    settings: {
+      react: { version: 'detect' },
+    },
+    rules: {
+      ...reactPlugin.configs.recommended.rules,
+      ...reactHooksPlugin.configs.recommended.rules,
+      'no-unused-vars': ['warn', { argsIgnorePattern: '^_' }],
+      'react/prop-types': 'off',
+      'react/react-in-jsx-scope': 'off',
+    },
+  },
+  {
+    ignores: ['node_modules/', 'client/node_modules/', 'client/dist/', 'workspace/'],
+  },
+];