[Unit]
Description=Synth pipeline diagnostic — runs unit tests at boot
DefaultDependencies=no
After=multi-user.target prometheus-exporter.service
Before=midi-bridge.service pd-synth-onboard.service led-matrix-viz.service

[Service]
Type=oneshot
ExecStart=/home/arduino/uno-q-audio-synth/scripts/run-tests.sh
StandardOutput=journal
StandardError=journal
RemainAfterExit=yes

# Don't let failures cascade — critical for headless boot
# On failure: services won't start, board stays SSH-accessible
FailureAction=none

[Install]
WantedBy=multi-user.target