Add auto-exit to _afterSuite for BROWSER_RESTART=browser mode

- Process now exits cleanly after suite completes
- Critical for browser restart mode where afterSuite is final cleanup
- Prevents hanging when all tests in suite are complete
- Uses same 2-second delayed exit as _cleanup()

Author: kobenguyent

lib/helper/Playwright.js

@@ -869,6 +869,18 @@ class Playwright extends Helper {
       this.testFailures.push(`Final cleanup failed: ${e.message}`)
     }
 
+    // Schedule a delayed exit to prevent process hanging due to Playwright event loops
+    // This is especially important for BROWSER_RESTART=browser mode where afterSuite is the final cleanup
+    // Give it 2 seconds for any pending operations to complete
+    if (!process.env.CODECEPT_DISABLE_AUTO_EXIT) {
+      setTimeout(() => {
+        if (process.listenerCount('exit') === 0) {
+          // No other exit handlers, safe to exit
+          process.exit(process.exitCode || 0)
+        }
+      }, 2000).unref()
+    }
+
     // Clean up session pages explicitly to prevent hanging references
     try {
       if (this.sessionPages && Object.keys(this.sessionPages).length > 0) {