{"message":"Welcome to the SPG Verification Engine API.","endpoints":{"/api/health":{"method":"GET","description":"Check service health.","params":{}},"/api/upload":{"method":"POST","description":"Upload a single image for detection and SOP evaluation.","params":{"file":"required, form-data file"}},"/api/upload-batch":{"method":"POST","description":"Upload multiple images for batch detection and SOP evaluation.","params":{"files":"required, form-data multiple files"}}},"usage_examples":{"single_file":{"curl":"curl -X POST http://<host>:3123/api/upload -F \"file=@/path/to/image.jpg\""},"batch_files":{"curl":"curl -X POST http://<host>:3123/api/upload-batch -F \"files=@/path/to/image1.jpg\" -F \"files=@/path/to/image2.jpg\""}}}