feat(gateway): add ESP-Touch smartconfig provisioning support and enhance network management

Co-authored-by: Copilot <copilot@github.com>

components/gateway_network/include/gateway_network.hpp

@@ -2,6 +2,7 @@
 
 #include <array>
 #include <cstdint>
+#include <optional>
 #include <string>
 #include <vector>
 
@@ -13,6 +14,7 @@
 #include "freertos/FreeRTOS.h"
 #include "freertos/semphr.h"
 #include "freertos/task.h"
+#include "gateway_runtime.hpp"
 #include "lwip/sockets.h"
 
 namespace gateway {
@@ -20,12 +22,14 @@ namespace gateway {
 class GatewayController;
 class DaliDomainService;
 struct DaliRawFrame;
-class GatewayRuntime;
 
 struct GatewayNetworkServiceConfig {
   bool wifi_enabled{true};
   bool espnow_setup_enabled{true};
   bool espnow_setup_startup_enabled{false};
+  bool smartconfig_enabled{true};
+  bool smartconfig_startup_enabled{false};
+  uint8_t smartconfig_timeout_sec{60};
   bool http_enabled{true};
   bool udp_enabled{true};
   uint16_t http_port{80};
@@ -65,6 +69,8 @@ class GatewayNetworkService {
   esp_err_t ensureNetworkStack();
   esp_err_t startWifi();
   esp_err_t startSetupAp();
+  esp_err_t startSmartconfig();
+  void stopSmartconfig();
   esp_err_t startEspNow();
   void stopEspNow();
   esp_err_t addEspNowPeer(const uint8_t* mac, bool broadcast = false);
@@ -96,8 +102,12 @@ class GatewayNetworkService {
   esp_netif_t* wifi_sta_netif_{nullptr};
   esp_netif_t* wifi_ap_netif_{nullptr};
   bool wifi_started_{false};
+  bool wifi_event_handlers_registered_{false};
   bool setup_ap_started_{false};
   bool espnow_started_{false};
+  bool smartconfig_started_{false};
+  bool smartconfig_event_handler_registered_{false};
+  std::optional<WirelessInfo> smartconfig_pending_wireless_;
   bool espnow_connected_{false};
   std::array<uint8_t, 6> espnow_peer_{};
   TaskHandle_t boot_button_task_handle_{nullptr};