{"ok": true, "service": "indra-ocr", "busy": false, "current": null, "stats": {"uptime_s": 1418498, "requests": 8, "images": 8}, "threads": 4, "max_side": 20000, "model_dir": "/models/indra-ocr", "usage": "POST /api/ocr | /api/ocr/paddle | /layout-parsing（WeKnora）；单图传字符串 base64/字节，批量传数组"}