Ikea’s new Matter-ready Dirigera smart home hub is hitting retail shelves in North America and most of Europe this week, alongside a completely redesigned Home smart app. Dirigera — which means “conducting” in Swedish — is at the heart of Ikea’s attempt to infuse the home with digital intelligence. It’s meant to reflect the company’s smart home ambitions that have grown from a simple lighting hobby to a full-blown strategic focus, as important to the 79-year-old company as…