Return the list of metric names (Influx 'field' values) available for this agent in the given time window. Used by the frontend to populate the checkbox list.
Response: { "agent_id": "<ap_id>", "window_minutes":
Security
OAuth2PasswordBearer
GET
curl -i -X GET \
'https://matric-docs.redocly.app/_mock/openapi/api/v1/metrics/agent_metrics?agent=string&window=5'