From 10f172e950f283e2f05a304ef909be71b12f75cb Mon Sep 17 00:00:00 2001
From: ValueOn AG <p.motsch@poweron.swiss>
Date: Fri, 5 Jun 2026 10:38:45 +0200
Subject: [PATCH] fix(teamsbot): reuse existing SSE queue in joinMeeting to
 prevent stale reference

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 modules/features/teamsbot/service.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/modules/features/teamsbot/service.py b/modules/features/teamsbot/service.py
index 7e6eef59..bba2bab1 100644
--- a/modules/features/teamsbot/service.py
+++ b/modules/features/teamsbot/service.py
@@ -716,8 +716,10 @@ class TeamsbotService:
 
         interface = interfaceDb.getInterface(self.currentUser, self.mandateId, self.instanceId)
 
-        # Initialize SSE event queue
-        sessionEvents[sessionId] = asyncio.Queue()
+        # Reuse existing SSE event queue if a consumer (SSE generator) already
+        # holds a reference; replacing it would strand the SSE stream.
+        if sessionId not in sessionEvents:
+            sessionEvents[sessionId] = asyncio.Queue()
 
         try:
             # Update status to JOINING