Add delete to the selection bar and drop the in-header close button

The selection bar covered copying but not the other action people reach
for with a selection. The header also carried a second close button next
to the window's own traffic light, so it was removed in favor of that.

AGENTS.md

@@ -37,13 +37,14 @@ clicking an item copies it back to the clipboard.
   light mode keeps the system window colour. `Theme.background` is also handed
   to the `NSPanel` so the strip under the transparent titlebar matches, and the
   row colour stays slightly lighter than black so cards remain visible.
-- `Sources/Prompt/PanelView.swift` — the panel UI. Header (section switcher,
-  search, add photos, close), item list, composer. Composer `# Name` creates/
+- `Sources/Prompt/PanelView.swift` — the panel UI. Header (workspace switcher,
+  search, add photos), item list, composer. There is no in-header close button:
+  the window's own close button hides the panel. Composer `# Name` creates/
   switches sections. Click = select (Shift+click for a range); the selection
-  bar offers Copy (single item), Copy as List and Copy as Lines; right-click =
-  context menu acting on the whole selection (Copy, Copy as List, Copy as
-  Lines, Done, Edit, Open, Merge, Move To, Delete). Esc clears the selection
-  before it hides the panel. Drop target for images/files.
+  bar offers Copy (single item), Copy as List, Copy as Lines and Delete;
+  right-click = context menu acting on the whole selection (Copy, Copy as List,
+  Copy as Lines, Done, Edit, Open, Merge, Move To, Delete). Esc clears the
+  selection before it hides the panel. Drop target for images/files.
 - `Sources/Prompt/PanelController.swift` — owns the floating `NSPanel`
   (`.nonactivatingPanel`, `.floating`, right-edge docked, frame autosaved as
   `PromptPanel`), the Cmd+V image-paste monitor, and `EditWindowController`

README.md

@@ -5,8 +5,8 @@ A native macOS app for keeping prompts and photos, in the spirit of
 to your work. Select what you need and send it back to your clipboard.
 
 - **Click to select** — clicking a card selects it (Shift+click for a range),
-  and the selection bar copies a single item as-is, or the whole selection as a
-  numbered list or as plain newline-separated lines.
+  and the selection bar copies a single item as-is, the whole selection as a
+  numbered list or as plain newline-separated lines, or deletes it.
 - **Text or photo** — copying sends text back as text and a photo back as an
   image.
 - **Capture from anywhere** — select text in any app and tap **Left Shift twice**.

Sources/Prompt/PanelView.swift

@@ -83,9 +83,6 @@ struct PanelView: View {
                 .buttonStyle(.plain).foregroundStyle(.secondary).help("Search (Cmd+F)")
             Button { addPhotos() } label: { Image(systemName: "photo.on.rectangle.angled") }
                 .buttonStyle(.plain).foregroundStyle(.secondary).help("Add photos")
-            Button { PanelController.shared.hide() } label: { Image(systemName: "xmark") }
-                .buttonStyle(.plain).foregroundStyle(.secondary)
-                .help("Hide the panel (Cmd+W) — Prompt keeps running so Shift-Shift capture still works. Quit from the menu bar icon or Cmd+Q.")
         }
         .padding(.horizontal, 12)
         .padding(.vertical, 10)
@@ -576,6 +573,12 @@ struct PanelView: View {
                 .font(.caption)
                 .buttonStyle(.plain)
                 .foregroundStyle(Color.accentColor)
+            Button { deleteSelection() } label: {
+                Image(systemName: "trash")
+            }
+            .buttonStyle(.plain)
+            .foregroundStyle(.red)
+            .help("Delete selected")
             Button { clearSelection() } label: {
                 Image(systemName: "xmark.circle.fill")
             }
@@ -588,6 +591,12 @@ struct PanelView: View {
         .background(Color.accentColor.opacity(0.12))
     }
 
+    private func deleteSelection() {
+        guard !selection.isEmpty else { return }
+        store.delete(ids: selection)
+        clearSelection()
+    }
+
     private func copySelection(asList: Bool) {
         guard !selection.isEmpty else { return }
         if asList {