Rules were documented but never deployed — /dev/jmri/nce was missing entirely, only /dev/jmri/loconet existed (created manually). Adds: - templates/99-jmri-devices.rules.j2: LocoBuffer-NG -> loconet, NCE Power Pro (Microchip CDC) -> nce - Task to deploy rules + trigger udev settle - Trigger udev handler (reload-rules alone is insufficient)