{"endpoints":{"GET /":"服务信息","GET /api/health":"健康检查","POST /api/decode_qr":"解码二维码/条形码（支持base64 JSON或文件上传）"},"name":"二维码/条形码扫描器后端服务 (Go)","supported_codes":["Codabar 条码","Code 39 条码","Code 93 条码","Code 128 条码","EAN-8 条码","ITF 条码","PDF417 码","Aztec 码","Data Matrix 码","EAN-13 条码","UPC-A 条码","UPC-E 条码","二维码 QR Code"],"version":"2.0.0"}