feat: Implement Playwright testing setup

tests/setup/global-setup.ts

@@ -0,0 +1,30 @@
+/**
+ * Playwright Global Setup
+ * 
+ * Runs once before all tests to prepare the test environment.
+ */
+
+import { FullConfig } from '@playwright/test';
+import { setupAuthStates } from '../fixtures/auth';
+import { cleanupTestData } from '../fixtures/database';
+
+async function globalSetup(config: FullConfig) {
+  console.log('🚀 Starting global setup...');
+
+  try {
+    // Clean up any leftover test data from previous runs
+    console.log('🧹 Cleaning up leftover test data...');
+    await cleanupTestData();
+
+    // Setup authentication states for all user roles
+    console.log('🔐 Setting up authentication states...');
+    await setupAuthStates(config);
+
+    console.log('✅ Global setup complete');
+  } catch (error) {
+    console.error('❌ Global setup failed:', error);
+    throw error;
+  }
+}
+
+export default globalSetup;