Update WebSocket connection handling in MultiChatDialog: Change raceLimit to 1 to prevent duplicate daemon sockets and ensure only one connection attempt in parallel.

frontend/src/dialogues/chat/MultiChatDialog.vue

@@ -321,8 +321,8 @@ export default {
             happyDelayMs: 40,
             // Join fallback delay if token is slow to arrive
             joinFallbackDelayMs: 120,
-            // Limit how many parallel WS candidates to race (prevents server socket buildup)
-            raceLimit: 3
+            // Default: only one connection attempt in parallel (prevents duplicate daemon sockets)
+            raceLimit: 1
         };
     },
     // Hinweis: Öffnen erfolgt über methods.open(), damit Parent per Ref aufrufen kann
@@ -604,7 +604,7 @@ export default {
                 const n = parseInt(ls, 10);
                 if (!isNaN(n) && n > 0) return Math.min(n, 6);
             } catch (_) { }
-            return this.raceLimit || 3;
+            return this.raceLimit || 1;
         },
         spawnCandidate(url, protocols) {
             if (!this.opened) return;