docs: record verified native preview and unfinished PWA parity

Replace current wrapper claims with native architecture/security/build evidence, preserve historical documents, track all thirty pages and explicit release gates, correct brand attribution and provide the twelve-section delivery report without claiming completion. Native signing remains paused and Apple application/device validation outstanding.

docs/build-ios.md

@@ -1,8 +1,8 @@
 # iOS development
 
 Requires macOS, Xcode 16.4 or newer with an iOS simulator, and XcodeGen 2.44.1.
-Minimum iOS/iPadOS 18.4: the auth window must be able to deny native file-panel
-requests, which earlier WKWebView delegates cannot do. No CocoaPods or external
+Minimum iOS/iPadOS 18.4 is retained for this rebuild. The application surface is
+SwiftUI; the old WKWebView renderer is archived, not shipped. No CocoaPods or external
 runtime package is required. For App Store submission use Apple's currently
 required Xcode/iOS SDK, not merely the oldest compiler that can build the source.
 
@@ -29,11 +29,15 @@ swift test --package-path ios
 swiftc -frontend -parse ios/Sources/*.swift ios/Tests/*.swift ios/UITests/*.swift
 ```
 
-These portable tests compile the **production URL/metadata policies only**.
-Parsing does not typecheck UIKit, SwiftUI or WebKit APIs. Neither command is
+These portable tests compile the **production Foundation API transport, contracts
+and URL/metadata policies**. Parsing does not typecheck SwiftUI or Security APIs. Neither command is
 evidence that the iOS application builds. Actual Xcode testing is mandatory.
 
 For a device build select your authorized development team in Xcode, use your own
 registered bundle identifier, and let Xcode manage development provisioning.
 Never commit generated profiles or certificates. See `release-process.md` for
 distribution. A Linux environment cannot produce a validated iOS archive.
+
+The Mac runner now bootstraps checksum-pinned native Node 22 before checkout,
+because its JavaScript actions cannot start without Node in the service PATH.
+This does not install/choose Xcode, accept its license or create a simulator.