Use SwiftUI, Observation, and Swift Concurrency to build streaming AI chat that avoids duplicate text, stops cleanly, respects scrolling, and recovers after interruption.
Separate SwiftUI image selection, Foundation Models attachments, dynamic profiles, and model policy into testable iOS 27 beta boundaries.
A bounded look at the WWDC26 LanguageModel abstraction, image input, Private Cloud Compute, tools, and evaluation in the iOS 27 beta cycle.