I developed a shortcut feature for my app using the AppIntents framework, which can display a maximum of 10 shortcuts in the Shortcuts app. However, I've noticed that apps like Tesla and Porsche have a significantly larger number of shortcuts, far exceeding 10. After searching online, I found that they might be using Intent Extensions and the SiriKit framework. I customized an Intent through SiriKit, checked the option for "Intent is user-configurable in the Shortcuts app" and "Add to Siri." I can find this shortcut when I search for it, but it does not appear on the homepage or under the app category. Is there any way to resolve this?
Those apps are most likely using the parameterPresentation API on their AppShortcuts: https://developer.apple.com/documentation/appintents/appshortcut/init(intent:phrases:shorttitle:systemimagename:parameterpresentation:)
You can see some examples in the Accelerating app interactions with App Intents sample app