App Intents & Siri Q&A

Currently, I have a mix of SiriKit (Car Commands) and App Intents. Should I migrate everything to App Intents and discontinue SiriKit? Is there a compatible/similar AppSchema to Car Commands?

In my app, I use CoreSpotlight to create CSSearchableItems (for Spotlight integration), and I also have a list of AppEntities for Shortcuts support. Are there any big benefits in migrating this setup to using IndexedEntity, with regards to Siri and Apple Intelligence? I also would need to support iOS17 for now. Note that the AppEntities don't map onto any existing AppSchema domains.

Is it possible to hand over from Siri to the App providing the App Intent (i.e. open the app from a Siri as result of an action)? For example, this could be handy when I actually want to show some UI in Response to a customer's prompt, like opening a Photo Album.

Is the user required to remember the name of my app in order to interact with it via Siri AI?

We have existing Siri functionalities in our app, for customer retrieve their bank or credit cards information. How can we leverage new Siri AI features to our existing function? what is correct approach we can go?

Is there a supported way to differentiate the trigger source (i.e. Siri, Spotlight, or Shortcut) within the perform() method of an AppIntent?

Will the processing of an Intent result in an App Lifecycle change? How is compute time & network access managed when processing the intent? E.g., would I be able to make backend requests if needed?

Can I make functionality of my app available to Siri AI if they are NOT from one of the predefined App Schema domains? (This was already asked here: https://developer.apple.com/forums/thread/829586 ) Can I define my own App Schemas & App Schema Domains?