feat(harness): systemd-юниты + Lima-конфиг + E2E-харнесс (файлы)

systemd/ (target/data.mount/firstboot/machineid/power/settings/shell + dbus-policy + journald/zram/oomd):
ordering data.mount->firstboot->machineid->dbus->power+settings->shell; Requires+After firstboot; OOMScoreAdjust.
lima/shturman.yaml (vz, Ubuntu ARM64, /data loopback, провижининг). tests/e2e/run.sh (каркас приёмки).
justfile: vm-up/down/reset/shell, run, e2e, shell-frame. Валидация — часть 2 (поднятие Lima).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Signed-off-by: Alexander <akotenev2003@gmail.com>

systemd/shturman-shell.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=Штурман Shell (первый Slint-кадр)
+Requires=data.mount shturman-firstboot.service
+After=shturman-power.service shturman-settings.service shturman-machineid.service
+PartOf=shturman.target
+
+[Service]
+ExecStart=/usr/local/bin/shturman-shell
+Restart=on-failure
+RestartSec=2
+OOMScoreAdjust=-600
+# Wayland-дисплей: provisioning/E2E поднимает weston headless (финализируется в части 2).
+Environment=WAYLAND_DISPLAY=wayland-1
+Environment=XDG_RUNTIME_DIR=/run/user/0
+
+[Install]
+WantedBy=shturman.target