added new endpoint /active_iface for determining which wan interface is currently primary

cgi_scripts/skyweave.lua

@@ -49,6 +49,7 @@ local success, load_result = pcall(function()
     local router = Router:new()
 
     router:add_route("GET", "/network_config", network_handlers.get_network_config)
+    router:add_route("GET", "/active_iface", network_handlers.get_active_iface)
     router:add_route("POST", "/connect_wifi", network_handlers.set_connect_wifi)
     router:add_route("GET", "/SOS", network_handlers.set_connect_wifi_sos)
     router:add_route("GET", "/wifi_scan", wifi_handlers.get_wifi_scan)

skyweave/handlers/network.lua

@@ -4,6 +4,16 @@ local utils = require("skyweave.utils") -- Updated path
 
 local network_handler = {}
 
+function network_handler.get_active_iface(request_context)
+    local live_gateway_ip, live_gateway_iface = utils.get_active_default_gateway()
+    local response_data = { 
+        active_gateway_ip = live_gateway_ip,
+        active_interface = live_gateway_iface,
+        errCode = 0,
+        errMsg = "OK"
+    }
+end
+
 -- Original: function handlers.get_network_config(params)
 function network_handler.get_network_config(request_context)
   local wan_iface_name = request_context.query.interface or "wan" -- Default to "wan"