Add Copy & Delete to the selection bar

Scissors icon next to the copy actions; a single item copies as-is (image
included), a multi-selection copies as plain lines, then everything selected
is deleted.

Sources/Prompt/PanelView.swift

@@ -705,6 +705,12 @@ struct PanelView: View {
                 .font(.caption)
                 .buttonStyle(.plain)
                 .foregroundStyle(Color.accentColor)
+            Button { copyAndDeleteSelection() } label: {
+                Image(systemName: "scissors")
+            }
+            .buttonStyle(.plain)
+            .foregroundStyle(Color.accentColor)
+            .help("Copy & Delete")
             Button { deleteSelection() } label: {
                 Image(systemName: "trash")
             }
@@ -729,6 +735,20 @@ struct PanelView: View {
         clearSelection()
     }
 
+    /// Same as the context menu's Copy & Delete, for the selection bar. A
+    /// single image still copies as an image; a multi-selection copies as
+    /// plain lines, same as Copy as Lines.
+    private func copyAndDeleteSelection() {
+        guard !selection.isEmpty else { return }
+        if selection.count == 1, let id = selection.first, let item = store.item(id) {
+            store.copy(item)
+        } else {
+            store.copyAsLines(ids: selection)
+        }
+        store.delete(ids: selection)
+        clearSelection()
+    }
+
     private func copySelection(asList: Bool) {
         guard !selection.isEmpty else { return }
         if asList {