feat: add automated test cleanup infrastructure

- Add cleanup-tests.sh script for automated test reorganization
- Safely backup manual test files with timestamps in tests/.backup/
- Generate cleanup-report.json with migration metrics
- Validate test structure after cleanup
- Log detailed cleanup progress and results

Enables safe migration from manual to automated testing

tests/.backup/admin-login-debug.js.20250908-012049

@@ -0,0 +1,35 @@
+/* eslint-disable no-console */
+// Simple test script to verify admin login functionality
+// Run this in the browser console to test admin credentials
+
+async function testAdminLogin() {
+  console.log('🧪 Testing admin login...');
+
+  // Import the services (this won't work directly, but helps us understand the flow)
+  console.log('Admin credentials:');
+  console.log('Email: admin@localhost');
+  console.log('Password: admin123!');
+
+  // Check if admin user exists in localStorage
+  const users = JSON.parse(localStorage.getItem('users') || '[]');
+  console.log('All users in localStorage:', users);
+
+  const adminUser = users.find(u => u.email === 'admin@localhost');
+  console.log('Admin user found:', adminUser);
+
+  if (adminUser) {
+    console.log('Admin user details:');
+    console.log('- Email:', adminUser.email);
+    console.log('- Password:', adminUser.password);
+    console.log('- Role:', adminUser.role);
+    console.log('- Status:', adminUser.status);
+    console.log('- Email Verified:', adminUser.emailVerified);
+  } else {
+    console.log('❌ Admin user not found in localStorage');
+  }
+}
+
+// Instructions
+console.log('Copy and paste this function in browser console:');
+console.log(testAdminLogin.toString());
+console.log('Then run: testAdminLogin()');