Fix queue stats to properly distinguish cancelled from failed jobs

The queue Stats() method was grouping cancelled and failed jobs together,
causing cancelled jobs to be displayed as "failed" in the status bar.
Updated Stats() to return a separate cancelled count and modified all
callers (updateStatsBar, queueProgressCounts, showMainMenu) to handle
the new return value. Also updated ConversionStatsBar to display
cancelled jobs separately in the status bar.

internal/queue/queue.go

@@ -167,7 +167,7 @@ func (q *Queue) List() []*Job {
 }
 
 // Stats returns queue statistics
-func (q *Queue) Stats() (pending, running, completed, failed int) {
+func (q *Queue) Stats() (pending, running, completed, failed, cancelled int) {
 	q.mu.RLock()
 	defer q.mu.RUnlock()
 
@@ -179,8 +179,10 @@ func (q *Queue) Stats() (pending, running, completed, failed int) {
 			running++
 		case JobStatusCompleted:
 			completed++
-		case JobStatusFailed, JobStatusCancelled:
+		case JobStatusFailed:
 			failed++
+		case JobStatusCancelled:
+			cancelled++
 		}
 	}
 	return

internal/ui/components.go

@@ -443,6 +443,7 @@ type ConversionStatsBar struct {
 	pending   int
 	completed int
 	failed    int
+	cancelled int
 	progress  float64
 	jobTitle  string
 	fps       float64
@@ -461,22 +462,24 @@ func NewConversionStatsBar(onTapped func()) *ConversionStatsBar {
 }
 
 // UpdateStats updates the stats display
-func (c *ConversionStatsBar) UpdateStats(running, pending, completed, failed int, progress float64, jobTitle string) {
+func (c *ConversionStatsBar) UpdateStats(running, pending, completed, failed, cancelled int, progress float64, jobTitle string) {
 	c.running = running
 	c.pending = pending
 	c.completed = completed
 	c.failed = failed
+	c.cancelled = cancelled
 	c.progress = progress
 	c.jobTitle = jobTitle
 	c.Refresh()
 }
 
 // UpdateStatsWithDetails updates the stats display with detailed conversion info
-func (c *ConversionStatsBar) UpdateStatsWithDetails(running, pending, completed, failed int, progress, fps, speed float64, eta, jobTitle string) {
+func (c *ConversionStatsBar) UpdateStatsWithDetails(running, pending, completed, failed, cancelled int, progress, fps, speed float64, eta, jobTitle string) {
 	c.running = running
 	c.pending = pending
 	c.completed = completed
 	c.failed = failed
+	c.cancelled = cancelled
 	c.progress = progress
 	c.fps = fps
 	c.speed = speed
@@ -600,7 +603,7 @@ func (r *conversionStatsRenderer) Refresh() {
 		r.statusText.Text = "⏸ " + formatCount(r.bar.pending, "queued")
 		r.statusText.Color = color.NRGBA{R: 255, G: 200, B: 100, A: 255} // Yellow
 		r.progressBar.Hide()
-	} else if r.bar.completed > 0 || r.bar.failed > 0 {
+	} else if r.bar.completed > 0 || r.bar.failed > 0 || r.bar.cancelled > 0 {
 		statusStr := "✓ "
 		parts := []string{}
 		if r.bar.completed > 0 {
@@ -609,6 +612,9 @@ func (r *conversionStatsRenderer) Refresh() {
 		if r.bar.failed > 0 {
 			parts = append(parts, formatCount(r.bar.failed, "failed"))
 		}
+		if r.bar.cancelled > 0 {
+			parts = append(parts, formatCount(r.bar.cancelled, "cancelled"))
+		}
 		statusStr += strings.Join(parts, " • ")
 		r.statusText.Text = statusStr
 		r.statusText.Color = color.NRGBA{R: 150, G: 150, B: 150, A: 255} // Gray

main.go

@@ -751,7 +751,7 @@ func (s *appState) updateStatsBar() {
 		return
 	}
 
-	pending, running, completed, failed := s.jobQueue.Stats()
+	pending, running, completed, failed, cancelled := s.jobQueue.Stats()
 
 	// Find the currently running job to get its progress and stats
 	var progress, fps, speed float64
@@ -794,14 +794,14 @@ func (s *appState) updateStatsBar() {
 		}
 	}
 
-	s.statsBar.UpdateStatsWithDetails(running, pending, completed, failed, progress, fps, speed, eta, jobTitle)
+	s.statsBar.UpdateStatsWithDetails(running, pending, completed, failed, cancelled, progress, fps, speed, eta, jobTitle)
 }
 
 func (s *appState) queueProgressCounts() (completed, total int) {
 	if s.jobQueue == nil {
 		return 0, 0
 	}
-	pending, running, completedCount, failed := s.jobQueue.Stats()
+	pending, running, completedCount, failed, cancelled := s.jobQueue.Stats()
 	// Total includes all jobs in memory, including cancelled/failed/pending
 	total = len(s.jobQueue.List())
 	// Include direct conversion as an in-flight item in totals
@@ -812,6 +812,7 @@ func (s *appState) queueProgressCounts() (completed, total int) {
 	_ = pending
 	_ = running
 	_ = failed
+	_ = cancelled
 	return
 }
 
@@ -1122,7 +1123,7 @@ func (s *appState) showMainMenu() {
 	// Get queue stats - show completed jobs out of total
 	var queueCompleted, queueTotal int
 	if s.jobQueue != nil {
-		_, _, completed, _ := s.jobQueue.Stats()
+		_, _, completed, _, _ := s.jobQueue.Stats()
 		queueCompleted = completed
 		queueTotal = len(s.jobQueue.List())
 	}