in HuggingChat-Mac/Network/NetworkService.swift [305:320]
func mimeType(for url: URL) -> String {
let pathExtension = url.pathExtension
switch pathExtension.lowercased() {
case "jpg", "jpeg":
return "image/jpeg"
case "png":
return "image/png"
case "gif":
return "image/gif"
case "pdf":
return "application/pdf"
default:
return "application/octet-stream"
}
}