move method to endpoint section and use Agent AI app name

demos/network_agent/arch_config.yaml

@@ -19,10 +19,10 @@ system_prompt: |
 prompt_targets:
     - name: device_summary
       description: Retrieve network statistics for specific devices within a time range
-      http_method: POST
       endpoint:
         name: app_server
         path: /agent/device_summary
+        http_method: POST
       parameters:
         - name: device_ids
           type: list
@@ -34,10 +34,10 @@ prompt_targets:
           default: "7"
     - name: reboot_devices
       description: Reboot a list of devices
-      http_method: POST
       endpoint:
         name: app_server
         path: /agent/device_reboot
+        http_method: POST
       parameters:
         - name: device_ids
           type: list