feat(controller): migrate wifi drivers from tcp to websocket clients

src/settings.py

@@ -48,11 +48,15 @@ class Settings(dict):
         # ESP-NOW STA channel (2.4 GHz) for LED drivers / bridge alignment; 1–11
         if 'wifi_channel' not in self:
             self['wifi_channel'] = 6
-        # Wi-Fi LED drivers: newline-delimited JSON over TCP (see led-driver WiFi transport)
-        if 'tcp_enabled' not in self:
-            self['tcp_enabled'] = True
-        if 'tcp_port' not in self:
-            self['tcp_port'] = 8765
+        # Wi-Fi LED drivers: controller opens WebSocket to device (firmware serves /ws)
+        if 'wifi_driver_ws_port' not in self:
+            self['wifi_driver_ws_port'] = 80
+        if 'wifi_driver_ws_path' not in self:
+            self['wifi_driver_ws_path'] = '/ws'
+        # Seconds between UDP discovery nudges when a Wi-Fi driver WebSocket is
+        # down (0 disables). Helps drivers that reconnect after seeing traffic on 8766.
+        if 'wifi_driver_hello_interval_s' not in self:
+            self['wifi_driver_hello_interval_s'] = 10.0
 
     def save(self):
         try: