Show delivery failure reason in red on the queue status bar

Right-align the postqueue failure reason in red on the same status bar
line, rendered as a separate segment with matching background to avoid
breaking the layout.

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 +60,8 @@ 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

@@ -10,6 +10,7 @@ import (
 	"github.com/charmbracelet/bubbles/textinput"
 	"github.com/charmbracelet/bubbles/viewport"
 	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
 	"github.com/charmbracelet/x/ansi"
 )
 
@@ -42,7 +43,7 @@ type Model struct {
 	saveNotice      string
 	width           int
 	height          int
-	messageSaving  bool
+	messageSaving   bool
 	// stateParts fields
 	parts          []MessagePart
 	partsCursor    int
@@ -209,6 +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)
@@ -253,6 +262,13 @@ 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":
 				m.parts = extractParts(m.currentRaw)
 				m.partsCursor = 0
@@ -366,14 +382,24 @@ func (m Model) View() string {
 		return m.list.View() + "\n" + m.renderBottom()
 
 	case stateMessage:
-		header := titleStyle.Render(fmt.Sprintf("Message: %s", m.currentID))
+		title := titleStyle.Render(fmt.Sprintf("Message: %s", m.currentID))
+		header := title
+		if idx, ok := m.entryIndex[m.currentID]; ok {
+			if reason := m.entries[idx].Reason; reason != "" {
+				gap := m.width - lipgloss.Width(title) - lipgloss.Width(reason) - 2
+				if gap < 1 {
+					gap = 1
+				}
+				header = title + strings.Repeat(" ", gap) + reasonStyle.Render(reason)
+			}
+		}
 		scrollPct := int(m.viewport.ScrollPercent() * 100)
 		headersHint := "H: full headers"
 		if m.showFullHeaders {
 			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 │ D: delete │ F: requeue │ v: parts │ %s │ q: back │ %d%% ", headersHint, scrollPct),
 		)
 		notice := ""
 		if m.messageSaving {
@@ -452,7 +478,17 @@ func (m Model) renderBottom() string {
 		label := fmt.Sprintf("  Fetching subjects: %d / %d  ", m.loadingDone, m.loadingTotal)
 		return dimStyle.Render(label) + "\n  " + m.progress.View()
 	}
-	return statusBarStyle.Render(
-		fmt.Sprintf(" %d message(s) │ Enter: open │ r: refresh │ q: quit ", len(m.list.Items())),
-	)
+	left := fmt.Sprintf(" %d message(s) │ Enter: open │ r: refresh │ F: flush │ q: quit ", len(m.list.Items()))
+	reason := ""
+	if item, ok := m.list.SelectedItem().(queueItem); ok {
+		reason = item.entry.Reason
+	}
+	if reason == "" {
+		return statusBarStyle.Render(left)
+	}
+	right := " " + reason + " "
+	rightWidth := lipgloss.Width(right)
+	leftPart := statusBarStyle.Width(m.width - rightWidth).Render(left)
+	rightPart := lipgloss.NewStyle().Foreground(lipgloss.Color("196")).Background(lipgloss.Color("241")).Render(right)
+	return leftPart + rightPart
 }

msgs.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"os/exec"
+
 	tea "github.com/charmbracelet/bubbletea"
 )
 
@@ -34,6 +36,31 @@ 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 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()
+		return nil
+	}
+}
+
 func fetchSubjectCmd(id string) tea.Cmd {
 	return func() tea.Msg {
 		raw, err := fetchHeaders(id)

styles.go

@@ -12,4 +12,5 @@ var (
 	partSepStyle    = lipgloss.NewStyle().Foreground(lipgloss.Color("240"))
 	attachStyle     = lipgloss.NewStyle().Foreground(lipgloss.Color("214"))
 	headerKeyStyle  = lipgloss.NewStyle().Bold(true)
+	reasonStyle     = lipgloss.NewStyle().Foreground(lipgloss.Color("196"))
 )