* feat(nixpak): sandbox six desktop apps
* chore(nixpak): trim OBS plugin set
* fix(nixpak): enable OBS on aarch64
* fix(nixpak): let imv read the full home directory
* fix(home): drop redundant freerdp package
* fix(nixpak): grant OBS access to V4L2 camera devices
* fix(nixpak): expose V4L2 sysfs to OBS
* fix(nixpak): expose NVIDIA encode library to OBS
* docs(nixpak): record OBS interactive validation
* docs(nixpak): record OBS RTMP validation
* fix(nixpak): run MuseScore via XWayland and PulseAudio
* docs(nixpak): explain app sandboxing rationale
* fix(nixpak): route MuseScore ALSA through PipeWire
