Verify the witness chain integrity for a Cognitum Seed device.
Steps:
npx -y -p @claude-flow/plugin-iot-cognitum@latest cognitum-iot witness verify DEVICE_ID
mcp__claude-flow__memory_store({ key: "iot-witness-gap-DEVICEID", value: "Gap from EPOCH to EPOCH", namespace: "iot-audit" })