Ecosystem matrix, Alexa, Google Home, HomeKit, Matter, Z-Wave, Thread compatibility flags

Every smart-home SKU needs six independent compatibility flags as Magento EAV attributes:

• Alexa (Amazon), voice control via Echo. Most ubiquitous in the US.
• Google Home / Assistant, voice control via Nest Hub / Pixel. Strong in Android households.
• Apple HomeKit, iOS-native. Highest-AOV demographic but smallest market share.
• Matter, the cross-ecosystem standard (CSA, 1.3 finalised 2024). Devices certified Matter work across Alexa + Google Home + HomeKit + SmartThings out of the box. This is the headline standard for any SKU launching after mid-2024.
• Z-Wave (700-series), mesh radio standard for locks, sensors, dimmers. Requires a hub. Strong in security + locks.
• Thread, low-power mesh radio backing Matter. Required for newer Eve, Nanoleaf, Aqara devices.

Magento implementation: multi-select attribute for ecosystem compatibility, indexed in layered nav, rendered as a badge row on PDP. Layered nav filter "Works with HomeKit + Matter" combines two flags and stays under 200ms even at 5,000-SKU catalogs. The matrix lift on conversion is 11-19% for shoppers arriving via "works with HomeKit" search queries (they are pre-qualified by ecosystem, do not lose them on category-page filter friction).