Remote Media Player integration for controlling PC media playback
from Home Assistant via the Media Server API.
Features:
- Full media player controls (play, pause, stop, next, previous)
- Volume control and mute
- Seek support with smooth timeline updates
- Real-time updates via WebSocket
- Script buttons for PC control (shutdown, restart, lock, etc.)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>