Every unit offers the same wake words: a unit set up before a model joined the image gets it at its next update (nothing is replaced or removed). The Lux sensor reports the room's light, as the screen's auto-brightness reads it; it stayed unknown. Includes v0.7.4. Binaries built and attested by GitHub Actions from this tag: gh attestation verify echod-arm --repo HuskerMinion/techo5 --source-ref refs/tags/v0.7.5