feature/capabilities (#2)

Reviewed-on: #2

public/api-client.js

@@ -107,6 +107,48 @@ class ApiClient {
         }
     }
 
+    async getCapabilities(ip) {
+        try {
+            const url = ip
+                ? `${this.baseUrl}/api/capabilities?ip=${encodeURIComponent(ip)}`
+                : `${this.baseUrl}/api/capabilities`;
+            const response = await fetch(url, {
+                method: 'GET',
+                headers: {
+                    'Accept': 'application/json'
+                }
+            });
+
+            if (!response.ok) {
+                throw new Error(`HTTP ${response.status}: ${response.statusText}`);
+            }
+
+            return await response.json();
+        } catch (error) {
+            throw new Error(`Request failed: ${error.message}`);
+        }
+    }
+
+    async callCapability({ ip, method, uri, params }) {
+        try {
+            const response = await fetch(`${this.baseUrl}/api/proxy-call`, {
+                method: 'POST',
+                headers: {
+                    'Accept': 'application/json',
+                    'Content-Type': 'application/json'
+                },
+                body: JSON.stringify({ ip, method, uri, params })
+            });
+            if (!response.ok) {
+                const errorData = await response.json().catch(() => ({}));
+                throw new Error(errorData.message || `HTTP ${response.status}: ${response.statusText}`);
+            }
+            return await response.json();
+        } catch (error) {
+            throw new Error(`Request failed: ${error.message}`);
+        }
+    }
+
     async uploadFirmware(file, nodeIp) {
         try {
             const formData = new FormData();