fix: replace waitForLoadState('networkidle') with domcontentloaded in all E2E tests

e2e/elo-ratings.test.ts

@@ -191,7 +191,7 @@ test.describe('Elo Rating Updates', () => {
     });
     
     await page.goto('/admin');
-    await page.waitForLoadState('networkidle');
+    await page.waitForLoadState('domcontentloaded');
     
     // Check if we're logged in
     const content = await page.content();
@@ -211,19 +211,19 @@ test.describe('Elo Rating Updates', () => {
       console.log('Logging out and logging in as admin...');
       await page.click('button:has-text("Sign out")');
       await page.waitForURL('/auth/login');
-      await page.waitForLoadState('networkidle');
+      await page.waitForLoadState('domcontentloaded');
     }
     
     if (!isLoggedIn || page.url().includes('/players/')) {
       // If not logged in or logged in as regular user, log in as admin
       console.log('Logging in as admin...');
       await page.goto('/auth/login');
-      await page.waitForLoadState('networkidle');
+      await page.waitForLoadState('domcontentloaded');
       await page.fill('input[name="email"]', adminEmail);
       await page.fill('input[name="password"]', adminPassword);
       await page.click('button[type="submit"]');
       await page.waitForURL(/\/(admin|players)/, { timeout: 10000 });
-      await page.waitForLoadState('networkidle');
+      await page.waitForLoadState('domcontentloaded');
     }
     
     // Verify tournament ownership
@@ -238,7 +238,7 @@ test.describe('Elo Rating Updates', () => {
     await page.goto('/admin/matches/upload');
     
     // Wait for page to load and tournaments to be fetched
-    await page.waitForLoadState('networkidle');
+    await page.waitForLoadState('domcontentloaded');
     await page.waitForTimeout(2000);
     
     // Wait for tournament dropdown to be ready
@@ -313,7 +313,7 @@ ${tournament.id},2,1,${player1.name},${player3.name},10,${player2.name},${player
     
     // Navigate back to upload page for second match
     await page.goto('/admin/matches/upload');
-    await page.waitForLoadState('networkidle');
+    await page.waitForLoadState('domcontentloaded');
     await page.waitForTimeout(2000);
     
     // Re-select the tournament for the second upload
@@ -384,7 +384,7 @@ ${tournament.id},2,1,${player1.name},${player3.name},10,${player2.name},${player
     await page.goto(`/players/${player.id}/profile`);
     
     // Wait for page to load
-    await page.waitForLoadState('networkidle');
+    await page.waitForLoadState('domcontentloaded');
     
     // Verify rating is displayed (from player.currentElo)
     await expect(page.locator('text=1750')).toBeVisible();