Set PYTHONUNBUFFERED=1 in the three service files. Python buffers its output if it does not write to a terminal, so log lines reached the journal late.
Use standard project metadata, dependency groups, and the uv build backend. The new lock preserves the previous dependency versions. Documentation and services use uv, and services leave their shared environment unchanged at startup.
Remove the entry point for the empty USB HID prototype. Exclude local prototypes, captures, and the external Type 7 lookup table from version control and distributions.