SDR debug

Restarting the receiver, changing frequency, or toggling decoders requires shell access to sensorium-central (the API container intentionally has no docker socket — it would broaden the attack surface for every other tenant). Until we wire a tiny privileged sidecar, drive these from the host:

# Restart the SDR container after a USB hiccup
docker-compose -f docker-compose.yml -f docker-compose.sdr.yml restart sdr

# Tail the live log
docker logs -f sensorium-sdr

# Override the protocols / frequency at compose-up time
RTL_PROTOCOLS="-R 12 -R 19 -R 261 -R 291" RTL_FREQ_HZ=868300000 \
  docker-compose -f docker-compose.yml -f docker-compose.sdr.yml up -d sdr