Replaces the stringly-typed transfer-event phase/kind/direction values
throughout the progress-derivation logic with EventPhase, EventKind and
EventDirection enums (String-backed to match the core's wire values).
CoreEventModel keeps the raw wire strings as a faithful boundary DTO but
exposes typed eventPhase/eventKind/eventDirection accessors; all logic —
progressForTransfer/Receiver, humanProgressLabel, aggregateReceiverProgress,
the refresh trigger, and the SendScreen snapshots — now compares enum cases
instead of literals. TransferProgress.phase/kind are the enums directly, so
constructions read `phase: .transfer, kind: .progress`. The two ad-hoc
phase/kind Sets collapse into "is a recognized case" (non-nil) checks.
Enable complete strict concurrency and switch the app target to Swift 6.
- Isolate model dependency protocols to @MainActor
- Make the CoreRepository blocking-FFI bridge race-free: nonisolated(unsafe)
core handle, nonisolated runCore/readSnapshot, @Sendable work block,
Sendable domain models
- Fix Binding method-reference captures; @preconcurrency imports for
CoreNFC/AVFoundation/VnidropCore; isolate the NFC/QR delegate helpers
Add a native SwiftUI VniDrop app (Send/Receive/Settings) talking to the
Rust core via generated UniFFI Swift bindings, plus the uniffi-bindgen
helper crate. iOS uses a TabView, macOS a NavigationSplitView sidebar.
