From 6f7f28408d93a19f5344b4d700152fd19c658c1a Mon Sep 17 00:00:00 2001
From: Ruslan <ruslan@ipcom.su>
Date: Thu, 23 Jul 2026 12:24:20 +0000
Subject: [PATCH] fix: iframe probe accepts only 2xx (reject portal 404 with
 X-Frame-Options)

---
 app/main.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/main.py b/app/main.py
index 38b5baa..ecbdbb5 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1688,7 +1688,7 @@ def session_view_page(session_id: str, request: Request, user: User = Depends(re
           if (data.ready) {{
             try {{
               const probe = await fetch(iframeSrc, {{method:'HEAD', credentials:'include'}});
-              if (probe.status < 500) {{
+              if (probe.status >= 200 && probe.status < 300) {{
                 const f = document.getElementById('app-frame');
                 f.src = iframeSrc;
                 f.style.display = '';