1037 words, zero em dashes, zero banned phrases. Covers all key facts: OpenAI Astra KiCad demo, 15-second PCB layout clip, embedded community frustration, 11-stage engineering process, design intent loss, LLM-assisted verification potential, SmartyPlants physical-world testing, systems engineering future, meaningful human tasks. Saved to `/var/www/simpleprog-website/articles/llms-pcb-layout-embedded-engineering.html`.