Workouts 2.0: re-base persistence on iCloud Drive documents

Replace Core Data + NSPersistentCloudKitContainer + App-Group store +
WatchConnectivity dictionary sync with the QuickRabbit iCloud-documents
architecture:

- iCloud Drive JSON documents are the sole source of truth (one file per
  aggregate: Splits/<ULID>.json, Workouts/YYYY/MM/<ULID>.json), with a
  rebuildable SwiftData cache populated only by an NSMetadataQuery observer
  and a connect-time reconcile. Soft-delete tombstones; hard iCloud gate.
- Shared model layer (ULID, Codable *Documents + stateless mappers, @Model
  cache entities, SwiftData container) compiled into both targets.
- New iPhone<->Watch bridge over WatchConnectivity keyed by ULIDs; the phone
  is the sole writer of iCloud Drive, the watch round-trips documents.
- AppServices DI + iCloud-required root gate; Swift 6 strict concurrency.
- Starter splits generated on demand from the bundled YAML catalogs.
- Migrate to XcodeGen (project.yml), iOS 26 / watchOS 26; CloudDocuments
  entitlement (drop CloudKit/App Group/aps-environment).
- Duration stored as Int seconds (was a Date epoch hack); fix workout
  end-on-create, undismissable delete dialog, toolbar-hiding nav stacks,
  and the Settings placeholder.
- Add README/CHANGELOG/LICENSE, .gitignore, refreshed REQUIREMENTS, and the
  Scripts/ TestFlight pipeline (release.sh + ASC API scripts).

MARKETING_VERSION 2.0.

Workouts Watch App/Views/WorkoutLogsView.swift

@@ -6,22 +6,17 @@
 //
 
 import SwiftUI
-import CoreData
+import SwiftData
 
 struct WorkoutLogsView: View {
-    @Environment(\.managedObjectContext) private var viewContext
-    @EnvironmentObject var connectivityManager: WatchConnectivityManager
+    @Environment(WatchConnectivityBridge.self) private var bridge
 
-    @FetchRequest(
-        sortDescriptors: [NSSortDescriptor(keyPath: \Workout.start, ascending: false)],
-        animation: .default
-    )
-    private var workouts: FetchedResults<Workout>
+    @Query(sort: \Workout.start, order: .reverse) private var workouts: [Workout]
 
     var body: some View {
         NavigationStack {
             List {
-                ForEach(workouts, id: \.objectID) { workout in
+                ForEach(workouts) { workout in
                     NavigationLink(destination: WorkoutLogListView(workout: workout)) {
                         WorkoutRow(workout: workout)
                     }
@@ -40,12 +35,17 @@ struct WorkoutLogsView: View {
             .toolbar {
                 ToolbarItem(placement: .topBarTrailing) {
                     Button {
-                        connectivityManager.requestSync()
+                        bridge.requestSync()
                     } label: {
                         Image(systemName: "arrow.triangle.2.circlepath")
                     }
                 }
             }
+            .task {
+                if workouts.isEmpty {
+                    bridge.requestSync()
+                }
+            }
         }
     }
 }
@@ -53,11 +53,11 @@ struct WorkoutLogsView: View {
 // MARK: - Workout Row
 
 struct WorkoutRow: View {
-    @ObservedObject var workout: Workout
+    let workout: Workout
 
     var body: some View {
         VStack(alignment: .leading, spacing: 4) {
-            Text(workout.split?.name ?? Split.unnamed)
+            Text(workout.splitName ?? Split.unnamed)
                 .font(.headline)
                 .lineLimit(1)
 
@@ -92,8 +92,3 @@ struct WorkoutRow: View {
         }
     }
 }
-
-#Preview {
-    WorkoutLogsView()
-        .environment(\.managedObjectContext, PersistenceController.preview.viewContext)
-}