{"service":"PDF OCR Backend","version":"1.0.0","status":"running","ocr_engine":"PaddleOCR1.5","endpoints":{"upload":"POST /api/upload","status":"GET /api/status/{job_id}","result":"GET /api/result/{job_id}","result_text":"GET /api/result/{job_id}/text","download":"GET /api/result/{job_id}/download","cancel":"POST /api/cancel/{job_id}","delete":"DELETE /api/delete/{job_id}","vision":"POST /api/vision/analyze"}}