Fix Companion device power saving

src/helpers/WebConfigKeys.h

@@ -19,7 +19,8 @@
 static const char* const WC_ALLOWED_SET_KEYS[] = {
   // NodePrefs (radio / node)
   "name", "lat", "lon", "radio", "tx", "af", "rxdelay", "txdelay",
-  "cad", "radio.rxgain", "radio.fem.rxgain", "radio.rxps", "repeat",
+  "cad", "radio.rxgain", "radio.fem.rxgain", "radio.rxps", "powersaving",
+  "repeat",
   "advert.interval", "flood.advert.interval",
   "flood.max", "flood.max.advert", "flood.max.unscoped", "loop.detect",
   // MQTTPrefs (WiFi / MQTT / misc observer)

src/helpers/esp32/WebConfigServer.cpp

@@ -1438,6 +1438,7 @@ void WebConfigServer::handleConfigGet(AsyncWebServerRequest* req) {
     radio["rxps_preamble"] = node.rx_ps_preamble;
     radio["rxps_rx_us"] = node.rx_ps_rx_us;
     radio["rxps_sleep_us"] = node.rx_ps_sleep_us;
+    radio["powersaving"] = (bool)node.power_saving;
     radio["repeat"] = (bool)node.repeat;
     radio["flood_max"] = node.flood_max;
     radio["flood_max_advert"] = node.flood_max_advert;

src/helpers/esp32/WebConfigServer.h

@@ -59,6 +59,7 @@ public:
     CAP_WIFI_POWER_SAVE = 1UL << 10,
     CAP_FEM_RX_GAIN = 1UL << 11,
     CAP_RX_POWER_SAVING = 1UL << 12,
+    CAP_POWER_SAVING = 1UL << 13,
     CAP_DELAYS = CAP_RX_DELAY | CAP_TX_DELAY,
   };
 
@@ -86,6 +87,7 @@ public:
     uint8_t rx_ps_preamble;
     uint32_t rx_ps_rx_us;
     uint32_t rx_ps_sleep_us;
+    uint8_t power_saving;
     uint8_t repeat;
     uint16_t advert_interval;
     uint8_t flood_advert_interval;