Add the UME RobotArm and Damiao CAN-FD path, migrate the legacy UME controller, and introduce guarded cross-machine gRPC teleoperation with lifecycle, authority, configuration, and test coverage.
Add synchronous and streaming MotorService APIs backed by the PLC Modbus TCP runtime and protocol driver. Extend AUBO JSON commands and isolate vendor libstdc++ paths while keeping build-tree tests runnable.
