Create BearWave macOS radio-first app

Sources/BearWaveCore/Views/GroupRowView.swift

@@ -0,0 +1,61 @@
+import SwiftUI
+
+struct GroupRowView: View {
+    @Environment(AppModel.self) private var model
+    let group: StationGroup
+    @State private var showingRenameSheet = false
+
+    var body: some View {
+        HStack {
+            Label(group.name, systemImage: "folder.fill")
+            Spacer()
+            Text(group.stationIDs.count, format: .number)
+                .font(.caption)
+                .foregroundStyle(.secondary)
+        }
+        .tag(group.id)
+        .contextMenu {
+            Button("Rename") {
+                showingRenameSheet = true
+            }
+            Button("Delete") {
+                model.library.deleteGroup(group)
+            }
+        }
+        .sheet(isPresented: $showingRenameSheet) {
+            RenameGroupView(group: group)
+                .environment(model)
+        }
+    }
+}
+
+struct RenameGroupView: View {
+    @Environment(AppModel.self) private var model
+    @Environment(\.dismiss) private var dismiss
+    let group: StationGroup
+    @State private var name = ""
+
+    var body: some View {
+        VStack(alignment: .leading, spacing: 16) {
+            Text("Rename folder")
+                .font(.title2.bold())
+
+            TextField("Folder name", text: $name)
+                .textFieldStyle(.roundedBorder)
+                .onAppear { name = group.name }
+
+            HStack {
+                Spacer()
+                Button("Cancel") { dismiss() }
+                Button("Rename") {
+                    model.library.renameGroup(group, to: name)
+                    dismiss()
+                }
+                .keyboardShortcut(.defaultAction)
+                .disabled(name.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty)
+            }
+        }
+        .padding(24)
+        .frame(width: 340)
+    }
+}