Add websocket wifi updates

openapi.yaml

@@ -28,6 +28,42 @@ tags:
     description: System logs and real-time monitoring
 
 paths:
+  /api/wifi/networks:
+    get:
+      tags:
+        - WiFi
+      summary: Get discovered WiFi networks
+      description: |
+        Returns the list of WiFi networks from the last scan without triggering a new scan.
+        Returns an empty list if no scan has been performed yet.
+      operationId: getWiFiNetworks
+      responses:
+        '200':
+          description: List of discovered networks
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/WiFiNetwork'
+              example:
+                - ssid: "Hotel-Guest"
+                  signal: 5
+                  security: "WPA2"
+                  channel: 6
+                  bssid: "aa:bb:cc:dd:ee:ff"
+                - ssid: "Public-WiFi"
+                  signal: 3
+                  security: "Open"
+                  channel: 11
+                  bssid: "11:22:33:44:55:66"
+        '500':
+          description: Error retrieving networks
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+
   /api/wifi/scan:
     get:
       tags: