{"message":"Face Detection API v3.0","endpoints":{"process":"/api/process - Process face images","search":"/api/search - Search for similar faces","stats":"/api/stats - Get system statistics","event_stats":"/api/event/{event_id}/stats - Get event statistics","event_count":"/api/event/{event_id}/count - Get vector/image count for event","delete_event":"/api/event/{event_id} - Delete event data"}}