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/elo-ratings.test.ts

@@ -315,7 +315,7 @@ ${tournament.id},2,1,${player1.name},${player3.name},10,${player2.name},${player
     await page.click('button[type="submit"]');
     
     // Wait for upload to complete
-    await page.waitForTimeout(3000);
+    await page.waitForTimeout(1000);
     
     // Check for any error messages
     const uploadContentAfter = await page.content();
@@ -328,11 +328,11 @@ ${tournament.id},2,1,${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('domcontentloaded');
-    await page.waitForTimeout(2000);
+    await page.waitForTimeout(500);
     
     // Re-select the tournament for the second upload
-    await page.waitForSelector('select#tournament', { timeout: 5000 });
-    await page.waitForTimeout(1000); // Wait for tournaments to load
+    await page.waitForSelector('select#tournament', { timeout: 3000 });
+    await page.waitForTimeout(200); // Wait for tournaments to load
     
     const tournamentSelect2 = await page.locator('select#tournament');
     const currentSelection = await tournamentSelect2.inputValue();
@@ -351,10 +351,10 @@ ${tournament.id},2,1,${player1.name},${player3.name},10,${player2.name},${player
     await page.setInputFiles('input[type="file"]', tmpFile2);
     await page.waitForTimeout(500);
     await page.click('button[type="submit"]');
-    await page.waitForTimeout(2000);
+    await page.waitForTimeout(500);
     fs.unlinkSync(tmpFile2);
     
-    await page.waitForTimeout(2000);
+    await page.waitForTimeout(500);
     
     // Verify ratings after multiple matches
     const updatedPlayer1 = await prisma.player.findUnique({