Dropped the both-on/off-fire workaround now that HomeGraph reportState works
(new SA key + linked agent). turn_off is a no-op; on-tap prints; tile auto-reverts
via reportState. Verified: turn_on prints, turn_off does nothing. Docs/DECISIONS
updated to mark the HomeGraph auth issue resolved.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>