[MOCKUP] Build a low-latency stream deck with a Raspberry Pi and Companion

[MOCKUP] MOCKUP blog post. Topic: Build a low-latency stream deck with a Raspberry Pi and Companion. This article exists only to demonstrate the editorial layout. Sentences here are placeholders. The author voice, headings, callouts, pull-quotes, and product references would be drafted by the editorial team for the live site. Lorem ipsum equivalent: a couple of paragraphs of domain-relevant filler describing build a low-latency stream deck with a raspberry pi and companion.