first commit

backend/vitest.config.js

@@ -0,0 +1,21 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    globals: true,
+    environment: 'node',
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'html', 'json'],
+      exclude: ['node_modules/', 'database/migrations/', '**/*.test.js', '**/__tests__/**'],
+    },
+    testTimeout: 10000,
+    // Run tests serially to avoid database connection conflicts
+    pool: 'forks',
+    poolOptions: {
+      forks: {
+        singleFork: true,
+      },
+    },
+  },
+});