Cinema Mode Automation: Plex + Home Assistant Just finished setting up a Cinema Mode automation that syncs living room lighting with my Plex stream state. I am sharing the stack and implementation for anyone looking to do something similar: * Media Server: Windows PC running Plex Media Server. * Orchestrator: Raspberry Pi 5 running Home Assistant (Docker container). * Client: Google TV (Plex App). * Lighting: 2x Tapo L630 WiFi Smart Bulbs (via TP-Link integration). * Networking: Tailscale (to bridge the Windows server and the Pi). For more detailed installation and implementation, you can check my blog post: [Lights Down, Movie On](https://www.goktugocal.com/2026/04/30/Lights-Down-Movie-On.html) **The Automation Logic** The automation relies on two triggers: the media\_player state of the Plex client and the power state of the TV. I added a sun.sun condition to ensure this only fires after dark. * Play/Resume: Lights fade to 0% over 2 seconds. * Pause: Lights transition to 30% brightness.…