From 9dc5938fa6b5a7320ecc7500ec93a1cd94725b06 Mon Sep 17 00:00:00 2001
From: Vantz Stockwell <vstockwell@predator-mini.local>
Date: Fri, 13 Mar 2026 14:34:19 -0400
Subject: [PATCH] debug: add HTTP upgrade event listener to diagnose WebSocket
 routing

handleConnection never fires despite browser getting open event.
Adding server-level upgrade listener to see if upgrades reach NestJS.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 backend/src/main.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/backend/src/main.ts b/backend/src/main.ts
index 46b038a..426104c 100644
--- a/backend/src/main.ts
+++ b/backend/src/main.ts
@@ -14,5 +14,11 @@ async function bootstrap() {
   });
   await app.listen(3000);
   console.log('Wraith backend running on port 3000');
+
+  // Debug: monitor WebSocket upgrades at the HTTP server level
+  const server = app.getHttpServer();
+  server.on('upgrade', (req: any, socket: any) => {
+    console.log(`[HTTP-UPGRADE] ${req.method} ${req.url} from ${req.headers.origin || 'unknown'}`);
+  });
 }
 bootstrap();