feat: Add initial frontend setup including authentication, instructor, and admin course management modules.

frontend_management/services/user.service.ts

@@ -178,5 +178,31 @@ export const userService = {
                 newPassword
             }
         });
+    },
+
+    async uploadAvatar(file: File): Promise<{ avatar_url: string; id: number }> {
+        const config = useRuntimeConfig();
+        const useMockData = config.public.useMockData as boolean;
+
+        if (useMockData) {
+            await new Promise(resolve => setTimeout(resolve, 500));
+            // Return mock URL
+            return { avatar_url: URL.createObjectURL(file), id: 1 };
+        }
+
+        const token = getAuthToken();
+        const formData = new FormData();
+        formData.append('file', file);
+
+        const response = await $fetch<{ code: number; message: string; data: { avatar_url: string; id: number } }>('/api/user/upload-avatar', {
+            method: 'POST',
+            baseURL: config.public.apiBaseUrl as string,
+            headers: {
+                Authorization: `Bearer ${token}`
+            },
+            body: formData
+        });
+
+        return response.data;
     }
 };