i am the creator of the CuraSnapmakerSender Plugin.
With my plugin it is possible to create Gcode with the Snapmaker-specific Extensions (e.g. Picture embedded in Gcode) and save it locally, but also Sending Gcode directly to your Snapmaker, without exporting Gcode and using Luban afterwards.
It is available through the marketplace in Cura:
CuraSnapmakerSender - Ultimaker Cura Marketplace
If you have ideas for improvements, feel free to either comment in this Thread or visit the GitHub Repository:
So have fun using it and happy printing!