Sync Mac PerformerDetailView with iOS; fit artist images; focus Artists search

apps/Mac/App/ApproachNoteMacApp.swift

@@ -333,4 +333,7 @@ extension Notification.Name {
     static let navigateToSongs = Notification.Name("navigateToSongs")
     static let navigateToArtists = Notification.Name("navigateToArtists")
     static let navigateToRecordings = Notification.Name("navigateToRecordings")
+    /// Posted when the Artists tab becomes selected so its search field can
+    /// take focus.
+    static let focusArtistSearch = Notification.Name("focusArtistSearch")
 }

apps/Mac/Views/ArtistsListView.swift

@@ -14,6 +14,7 @@ struct ArtistsListView: View {
     @State private var searchTask: Task<Void, Never>?
     @State private var selectedPerformerId: String?
     @State private var hasPerformedInitialLoad = false
+    @FocusState private var searchFocused: Bool
 
     // MARK: - Sort Name Helpers
 
@@ -75,6 +76,14 @@ struct ArtistsListView: View {
                 hasPerformedInitialLoad = true
             }
         }
+        .onReceive(NotificationCenter.default.publisher(for: .focusArtistSearch)) { _ in
+            // Defer a beat so the tab content is on screen / in the responder
+            // chain before we move focus to the search field.
+            Task { @MainActor in
+                try? await Task.sleep(nanoseconds: 100_000_000)
+                searchFocused = true
+            }
+        }
     }
 
     // MARK: - View Components
@@ -84,7 +93,8 @@ struct ArtistsListView: View {
             MacSearchBar(
                 text: $searchText,
                 placeholder: "Search artists...",
-                backgroundColor: ApproachNoteTheme.accent
+                backgroundColor: ApproachNoteTheme.accent,
+                focus: $searchFocused
             )
 
             List(selection: $selectedPerformerId) {

apps/Mac/Views/ContentView.swift

@@ -133,6 +133,13 @@ struct ContentView: View {
         .onReceive(NotificationCenter.default.publisher(for: .navigateToRecordings)) { _ in
             selectedTab = .recordings
         }
+        .onChange(of: selectedTab) { _, newTab in
+            // When the Artists tab is selected (via the tab control or the
+            // menu command), default the insertion cursor to its search field.
+            if newTab == .artists {
+                NotificationCenter.default.post(name: .focusArtistSearch, object: nil)
+            }
+        }
         .preferredColorScheme(.light)
     }
 }

apps/Mac/Views/MacSearchBar.swift

@@ -11,6 +11,9 @@ struct MacSearchBar: View {
     @Binding var text: String
     let placeholder: String
     let backgroundColor: Color
+    /// Optional external focus binding so a parent can drive (or observe)
+    /// focus on the search field.
+    var focus: FocusState<Bool>.Binding? = nil
 
     var body: some View {
         HStack {
@@ -21,6 +24,7 @@ struct MacSearchBar: View {
                 .font(ApproachNoteTheme.body())
                 .bodyLineSpacing()
                 .foregroundColor(ApproachNoteTheme.textPrimary)
+                .modifier(OptionalFocusModifier(focus: focus))
             if !text.isEmpty {
                 Button(action: { text = "" }) {
                     Image(systemName: "xmark.circle.fill")
@@ -42,6 +46,20 @@ struct MacSearchBar: View {
     }
 }
 
+/// Applies `.focused` only when a binding is supplied, so callers that don't
+/// need programmatic focus can omit it.
+private struct OptionalFocusModifier: ViewModifier {
+    let focus: FocusState<Bool>.Binding?
+
+    func body(content: Content) -> some View {
+        if let focus {
+            content.focused(focus)
+        } else {
+            content
+        }
+    }
+}
+
 #Preview {
     VStack(spacing: 0) {
         MacSearchBar(