{
    "enabled": false,
    "default_provider": "naver",
    "providers": {
        "google": {
            "driver": "google",
            "api_key": "${OCR_GOOGLE_API_KEY}",
            "endpoint": "https://vision.googleapis.com/v1/images:annotate",
            "supported_formats": [
                "image/jpeg",
                "image/png",
                "image/gif",
                "image/webp",
                "image/bmp",
                "application/pdf"
            ],
            "max_file_size": 20971520,
            "timeout": 30000
        },
        "naver": {
            "driver": "naver",
            "api_key": "${OCR_NAVER_SECRET}",
            "endpoint": "${OCR_NAVER_INVOKE_URL}",
            "supported_formats": [
                "image/jpeg",
                "image/png",
                "image/gif",
                "image/bmp",
                "image/tiff",
                "application/pdf"
            ],
            "max_file_size": 20971520,
            "timeout": 30000
        },
        "aws_textract": {
            "driver": "aws_textract",
            "api_key": "${OCR_AWS_ACCESS_KEY}",
            "api_secret": "${OCR_AWS_SECRET_KEY}",
            "region": "${OCR_AWS_REGION}",
            "supported_formats": ["image/jpeg", "image/png", "application/pdf"],
            "max_file_size": 10485760,
            "timeout": 30000
        },
        "azure": {
            "driver": "azure",
            "api_key": "${OCR_AZURE_KEY}",
            "endpoint": "${OCR_AZURE_ENDPOINT}",
            "supported_formats": [
                "image/jpeg",
                "image/png",
                "image/bmp",
                "image/tiff",
                "application/pdf"
            ],
            "max_file_size": 52428800,
            "timeout": 60000
        },
        "upstage": {
            "driver": "upstage",
            "api_key": "${OCR_UPSTAGE_API_KEY}",
            "endpoint": "https://api.upstage.ai/v1/document-ai/ocr",
            "supported_formats": ["image/jpeg", "image/png", "application/pdf"],
            "max_file_size": 20971520,
            "timeout": 30000
        },
        "tesseract": {
            "driver": "tesseract",
            "supported_formats": [
                "image/jpeg",
                "image/png",
                "image/gif",
                "image/bmp",
                "image/tiff"
            ],
            "max_file_size": 52428800,
            "timeout": 60000
        }
    },
    "cache": {
        "enabled": true,
        "ttl": 3600
    },
    "quota": {
        "daily_limit": 1000,
        "monthly_limit": 20000,
        "warn_percent": 80
    },
    "dispatch": {
        "max_queue_size": 100,
        "concurrency": 3,
        "tick_interval": 200
    },
    "parsing": {
        "confidence_threshold": 0.6,
        "llm_fallback": true,
        "llm_confidence_threshold": 0.85,
        "template_dir": "configs/ocr-templates"
    },
    "retry": {
        "max_retries": 2,
        "retry_delay": 1000
    }
}