perf: parallelize tests and reduce timeouts

- Increase workers from 1 to 10 in CI for parallel execution
- Reduce expect timeout from 5000ms to 2000ms
- Reduce all waitForTimeout calls >1000ms to 200-500ms
- Remove unnecessary waits in global setup

e2e/global.setup.ts

@@ -98,17 +98,17 @@ async function createTestUsers(config: FullConfig) {
     console.log('Submitting registration form...');
     await page.click('button[type="submit"]');
 
-    try {
+try {
       await page.waitForResponse(response => 
         response.url().includes('/api/auth/sign-up/email') && response.status() === 200,
-        { timeout: 10000 }
+        { timeout: 5000 }
       );
       console.log('Sign-up API call successful');
     } catch {
       console.log('Sign-up API call failed or timed out');
     }
 
-    await page.waitForTimeout(2000);
+    await page.waitForTimeout(500);
     await context.storageState({ path: authFile });
     console.log(`Created and authenticated test user: ${testEmail}`);
 
@@ -133,14 +133,14 @@ async function createTestUsers(config: FullConfig) {
     try {
       await page.waitForResponse(response => 
         response.url().includes('/api/auth/sign-up/email') && response.status() === 200,
-        { timeout: 10000 }
+        { timeout: 5000 }
       );
       console.log('Admin sign-up API call successful');
     } catch {
       console.log('Admin sign-up API call failed or timed out');
     }
 
-    await page.waitForTimeout(2000);
+    await page.waitForTimeout(500);
 
     const prisma = createPrismaClient();
     const user = await prisma.user.findUnique({ where: { email: adminEmail } });
@@ -159,7 +159,7 @@ async function createTestUsers(config: FullConfig) {
     await page.waitForLoadState('domcontentloaded');
     console.log('Admin page loaded:', page.url());
     
-    await page.waitForTimeout(2000);
+    await page.waitForTimeout(500);
     await page.reload();
     await page.waitForLoadState('domcontentloaded');
     console.log('Page reloaded');