Fixed
- The Player State sensor could only ever read unknown on webOS 9.
com.webos.service.acbdoes not exist there - a C2 answers "Service does not exist" - so the sensor added in v0.28.0 had no source on those sets. It is now published only once the set has reported a play state, the same rule the HDMI entities follow. A C2 publishes 58 entities after this, down from 59. The playback buttons are unaffected: with no pipeline to ask, play/pause already falls back to the key that toggles. (#81)