Currently pyfrc writes a deploy.json to the rio, and the information is printed out when the robot starts (and there's an API for accessing it). Seems like it would be generally useful and simple to implement.

• https://github.com/robotpy/pyfrc/blob/b8472df58739031b60c384f3304c6cb56e582f19/pyfrc/mains/cli_deploy.py#L213
• https://github.com/robotpy/mostrobotpy/blob/main/subprojects/robotpy-wpilib/wpilib/deployinfo.py