Use the WWDC25 and Xcode 26 beta guidance to understand Liquid Glass hierarchy, availability, accessibility, and a reversible migration strategy.
Audit SwiftUI semantics, reading order, Dynamic Type, touch targets, contrast, and reduced motion as one complete user workflow.
Give shared mutable resources to actors, keep presentation state on MainActor, and handle races with cancellation and request identity.
Separate downloading, caching, decoding, and presentation state to build a SwiftUI image pipeline with cancellation and validated responses.
Use Lua 5.4 metatables to build constrained lightweight domain objects without inheritance emulation, hidden effects, or clever metamethods.