WebKit for SwiftUI (iOS / macOS 26+)

Native SwiftUI web content: no UIViewRepresentable, no WKWebView bridging. WebView is the on-screen view; WebPage (an @Observable model) loads, observes, and controls the content. Grounded in Apple's WebKit-for-SwiftUI framework.

• Availability: WebView / WebPage are iOS 26 / macOS 26 / visionOS 26+. For earlier deployment targets wrap WKWebView in a UIViewRepresentable — see Fallback and references/wkwebview-fallback.md.
• State: WebPage is a plain @Observable class — observe it exactly like any swiftui-observation model (@State private var page = WebPage()).
• Security: the web layer is an attack surface. Restrict navigation with NavigationDeciding, never inject unsanitized input into callJavaScript, and evaluate serverTrust / pin per swift-security for money-moving flows.

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