Add F keybinding to flush the mail queue via postqueue -f

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

README.md

@@ -48,6 +48,7 @@ go install github.com/nemunaire/mqv@latest
 | `↑` / `↓` | Navigate messages                   |
 | `Enter`    | Open message                        |
 | `r`        | Refresh queue                       |
+| `F`        | Flush queue (`postqueue -f`)        |
 | `q`        | Quit                                |
 
 Subjects are fetched lazily in parallel via `postcat` as the list loads; a progress bar tracks completion.
@@ -59,6 +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` |
+| `F`             | Requeue message (`postsuper -r`) |
 | `v`             | Browse MIME parts               |
 | `q`             | Back to queue list              |
 

model.go

@@ -210,6 +210,14 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				m.list.SetItems(nil)
 				_ = m.progress.SetPercent(0)
 				return m, loadQueueCmd()
+			case "F":
+				m.entries = nil
+				m.entryIndex = nil
+				m.loadingTotal = 0
+				m.loadingDone = 0
+				m.list.SetItems(nil)
+				_ = m.progress.SetPercent(0)
+				return m, flushQueueCmd()
 			case "enter":
 				if item, ok := m.list.SelectedItem().(queueItem); ok {
 					return m, loadMessageCmd(item.entry.ID)
@@ -254,6 +262,8 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				m.refreshViewport()
 				m.viewport.GotoTop()
 				return m, nil
+			case "F":
+				return m, requeueMessageCmd(m.currentID)
 			case "v":
 				m.parts = extractParts(m.currentRaw)
 				m.partsCursor = 0
@@ -384,7 +394,7 @@ func (m Model) View() string {
 			headersHint = "H: short headers"
 		}
 		status := statusBarStyle.Render(
-			fmt.Sprintf(" ↑↓/SPC/PgUp/Dn: scroll │ s: save EML │ v: parts │ %s │ q: back │ %d%% ", headersHint, scrollPct),
+			fmt.Sprintf(" ↑↓/SPC/PgUp/Dn: scroll │ s: save EML │ F: requeue │ v: parts │ %s │ q: back │ %d%% ", headersHint, scrollPct),
 		)
 		notice := ""
 		if m.messageSaving {
@@ -464,7 +474,7 @@ func (m Model) renderBottom() string {
 		return dimStyle.Render(label) + "\n  " + m.progress.View()
 	}
 	status := statusBarStyle.Render(
-		fmt.Sprintf(" %d message(s) │ Enter: open │ r: refresh │ q: quit ", len(m.list.Items())),
+		fmt.Sprintf(" %d message(s) │ Enter: open │ r: refresh │ F: flush │ q: quit ", len(m.list.Items())),
 	)
 	if item, ok := m.list.SelectedItem().(queueItem); ok {
 		if reason := item.entry.Reason; reason != "" {

msgs.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"os/exec"
+
 	tea "github.com/charmbracelet/bubbletea"
 )
 
@@ -34,6 +36,24 @@ func loadQueueCmd() tea.Cmd {
 	}
 }
 
+func flushQueueCmd() tea.Cmd {
+	return func() tea.Msg {
+		exec.Command("postqueue", "-f").Run()
+		entries, err := loadQueue()
+		if err != nil {
+			return queueErrMsg{err}
+		}
+		return queueParsedMsg{entries}
+	}
+}
+
+func requeueMessageCmd(id string) tea.Cmd {
+	return func() tea.Msg {
+		exec.Command("postsuper", "-r", id).Run()
+		return nil
+	}
+}
+
 func fetchSubjectCmd(id string) tea.Cmd {
 	return func() tea.Msg {
 		raw, err := fetchHeaders(id)