Add D keybindings in message view for delete

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

README.md

@@ -60,6 +60,7 @@ Subjects are fetched lazily in parallel via `postcat` as the list loads; a progr
 | `↑↓` / `Space` / `PgUp` / `PgDn` | Scroll      |
 | `H`             | Toggle full headers / short headers |
 | `s`             | Save raw EML to `~/QUEUEID.eml` |
+| `D`             | Delete message (`postsuper -d`) |
 | `F`             | Requeue message (`postsuper -r`) |
 | `v`             | Browse MIME parts               |
 | `q`             | Back to queue list              |

model.go

@@ -262,6 +262,11 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				m.refreshViewport()
 				m.viewport.GotoTop()
 				return m, nil
+			case "D":
+				id := m.currentID
+				m.state = stateList
+				m.saveNotice = ""
+				return m, deleteMessageCmd(id)
 			case "F":
 				return m, requeueMessageCmd(m.currentID)
 			case "v":
@@ -394,7 +399,7 @@ func (m Model) View() string {
 			headersHint = "H: short headers"
 		}
 		status := statusBarStyle.Render(
-			fmt.Sprintf(" ↑↓/SPC/PgUp/Dn: scroll │ s: save EML │ F: requeue │ v: parts │ %s │ q: back │ %d%% ", headersHint, scrollPct),
+			fmt.Sprintf(" ↑↓/SPC/PgUp/Dn: scroll │ s: save EML │ D: delete │ F: requeue │ v: parts │ %s │ q: back │ %d%% ", headersHint, scrollPct),
 		)
 		notice := ""
 		if m.messageSaving {

msgs.go

@@ -47,6 +47,13 @@ func flushQueueCmd() tea.Cmd {
 	}
 }
 
+func deleteMessageCmd(id string) tea.Cmd {
+	return func() tea.Msg {
+		exec.Command("postsuper", "-d", id).Run()
+		return nil
+	}
+}
+
 func requeueMessageCmd(id string) tea.Cmd {
 	return func() tea.Msg {
 		exec.Command("postsuper", "-r", id).Run()