From 2e1bb8b28645f0dccaee11394a5fb43ec47c8401 Mon Sep 17 00:00:00 2001
From: Neil Dorin <ndorin@pepperdash.com>
Date: Fri, 1 May 2026 14:44:07 -0600
Subject: [PATCH] feat: Enhance WebSocket URL generation to support dual-stack
 environments by using CSLAN IP if available

---
 src/PepperDash.Core/Logging/DebugWebsocketSink.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/PepperDash.Core/Logging/DebugWebsocketSink.cs b/src/PepperDash.Core/Logging/DebugWebsocketSink.cs
index 52d61896..6214505b 100644
--- a/src/PepperDash.Core/Logging/DebugWebsocketSink.cs
+++ b/src/PepperDash.Core/Logging/DebugWebsocketSink.cs
@@ -61,7 +61,12 @@ public class DebugWebsocketSink : ILogEventSink, IKeyed
             if (_httpsServer == null || !_httpsServer.IsListening) return "";
             var service = _httpsServer.WebSocketServices[_path];
             if (service == null) return "";
-            return $"wss://{CrestronEthernetHelper.GetEthernetParameter(CrestronEthernetHelper.ETHERNET_PARAMETER_TO_GET.GET_CURRENT_IP_ADDRESS, 0)}:{_httpsServer.Port}{service.Path}";
+
+            // Use CSLAN IP if available, otherwise fallback to primary IP. This ensures we provide a reachable URL in dual-stack environments.
+            if (!string.IsNullOrEmpty(CrestronEthernetHelper.GetEthernetParameter(CrestronEthernetHelper.ETHERNET_PARAMETER_TO_GET.GET_CURRENT_IP_ADDRESS, 1)))
+                return $"wss://{CrestronEthernetHelper.GetEthernetParameter(CrestronEthernetHelper.ETHERNET_PARAMETER_TO_GET.GET_CURRENT_IP_ADDRESS, 1)}:{_httpsServer.Port}{service.Path}";
+            else
+                return $"wss://{CrestronEthernetHelper.GetEthernetParameter(CrestronEthernetHelper.ETHERNET_PARAMETER_TO_GET.GET_CURRENT_IP_ADDRESS, 0)}:{_httpsServer.Port}{service.Path}";
         }
     }