{"endpoints":{"GET /health":{"description":"Health check endpoint"},"POST /answer-key/detect-answers":{"description":"Upload an answer sheet image for detection","parameters":{"image":"multipart/form-data file (required)"},"response":{"data":{"answers":"array of {question_number, marked_answers}","qr_data":"string or null (UUID from QR code)","total_questions":"integer"},"execution_id":"string or null (debugattor execution UUID for annotated image lookup)","success":"boolean"}}},"example_curl":"curl -X POST http://localhost:5000/answer-key/detect-answers -F \"image=@your_image.jpg\"","service":"Answer Sheet Detection API","version":"1.0.0"}