App Intents

If you're wiring up Siri, Shortcuts, or widgets on iOS, this is your reference sheet. It walks through the four EntityQuery variants, parameter declarations, and the difference between AppIntent and its specialized cousins like WidgetConfigurationIntent and SnippetIntent. The triage workflow up front is smart: it maps each system surface to the right protocol before you start coding. Most helpful for keeping straight when to use AppEntity shadow models versus conforming your core types directly (spoiler: always shadow), and understanding why your parameter preview breaks when you forget a default value. Covers iOS 16 through the iOS 26 additions like Visual Intelligence integration.