refactor: implement all core services

include/NetworkManager.h

@@ -23,6 +23,25 @@ public:
     void processAccessPoints();
     std::vector<AccessPoint> getAccessPoints() const;
 
+    // WiFi configuration methods
+    void setWiFiConfig(const String& ssid, const String& password, 
+                      uint32_t connect_timeout_ms = 10000, 
+                      uint32_t retry_delay_ms = 500);
+    
+    // Network status methods
+    bool isConnected() const { return WiFi.isConnected(); }
+    String getSSID() const { return WiFi.SSID(); }
+    IPAddress getLocalIP() const { return WiFi.localIP(); }
+    String getMacAddress() const { return WiFi.macAddress(); }
+    String getHostname() const { return WiFi.hostname(); }
+    int32_t getRSSI() const { return WiFi.RSSI(); }
+    WiFiMode_t getMode() const { return WiFi.getMode(); }
+    
+    // AP mode specific methods
+    IPAddress getAPIP() const { return WiFi.softAPIP(); }
+    String getAPMacAddress() const { return WiFi.softAPmacAddress(); }
+    uint8_t getConnectedStations() const { return WiFi.softAPgetStationNum(); }
+
 private:
     NodeContext& ctx;
     std::vector<AccessPoint> accessPoints;

include/NetworkService.h

@@ -0,0 +1,22 @@
+#pragma once
+#include "Service.h"
+#include "NetworkManager.h"
+#include "NodeContext.h"
+
+class NetworkService : public Service {
+public:
+    NetworkService(NetworkManager& networkManager);
+    void registerEndpoints(ApiServer& api) override;
+    const char* getName() const override { return "Network"; }
+
+private:
+    NetworkManager& networkManager;
+
+    // WiFi scanning endpoints
+    void handleWifiScanRequest(AsyncWebServerRequest* request);
+    void handleGetWifiNetworks(AsyncWebServerRequest* request);
+
+    // Network status endpoints
+    void handleNetworkStatus(AsyncWebServerRequest* request);
+    void handleSetWifiConfig(AsyncWebServerRequest* request);
+};

include/WifiScanService.h

@@ -1,17 +0,0 @@
-#pragma once
-#include "Service.h"
-#include "NetworkManager.h"
-#include "NodeContext.h"
-
-class WifiScanService : public Service {
-public:
-    WifiScanService(NetworkManager& networkManager);
-    void registerEndpoints(ApiServer& api) override;
-    const char* getName() const override { return "WifiScan"; }
-
-private:
-    NetworkManager& networkManager;
-
-    void handleScanRequest(AsyncWebServerRequest* request);
-    void handleGetAccessPoints(AsyncWebServerRequest* request);
-};