{"message":"R2文件上传服务","endpoints":{"POST /upload":"上传文件 (multipart/form-data, file字段, 可选path和override参数)","POST /upload-url":"通过URL下载并上传文件 (JSON格式, 可选override参数)","GET /files":"获取文件列表","DELETE /delete/{filename}":"删除指定文件","GET /health":"健康检查"},"example":{"upload":"POST /upload with file in form-data, optional path and override fields","uploadOverride":"POST /upload with file, path=\"folder/file.jpg\", override=\"true\" to overwrite existing files","uploadUrl":"POST /upload-url with {\"url\": \"https://example.com/file.jpg\", \"filename\": \"abc/ddd/custom.jpg\"}","uploadUrlOverride":"POST /upload-url with {\"url\": \"https://example.com/file.jpg\", \"filename\": \"abc/ddd/custom.jpg\", \"override\": true}","uploadUrls":"POST /upload-url with {\"urls\": [{\"url\": \"https://example.com/file1.jpg\", \"filename\": \"file1.jpg\"}, {\"url\": \"https://example.com/file2.jpg\", \"filename\": \"file2.jpg\"}], \"override\": true}","list":"GET /files","delete":"DELETE /delete/path/filename.jpg"}}