fix issues TUI display reliability

cmd/issues-tui/view.go

@@ -34,6 +34,7 @@ type snapshotOptions struct {
 	Scanning      bool
 	NextScanAt    time.Time
 	Now           time.Time
+	ScanError     error
 }
 
 // Colors mirror the otel-ui design-system tokens (AGENTS.md) so the terminal
@@ -87,6 +88,9 @@ func renderBody(snap snapshot, o snapshotOptions, w, avail int) string {
 	case snap.Err != nil:
 		return statusPanel(w, min(avail, 5), colCritical, "SCAN FAILED", snap.Err.Error(),
 			"values are from "+fmtTime(snap.ScannedAt)+"; the display keeps the last good scan")
+	case o.ScanError != nil && len(snap.Issues) == 0:
+		return statusPanel(w, min(avail, 5), colCritical, "SCAN FAILED", o.ScanError.Error(),
+			"no successful scan yet; retrying automatically")
 	case len(snap.Issues) == 0:
 		sub := fmt.Sprintf("no issues firing · window %s–%s UTC · scanned %s",
 			snap.WindowStart.Format("15:04"), snap.WindowEnd.Format("15:04"), commas(snap.Events))
@@ -234,6 +238,9 @@ func renderHeader(snap snapshot, o snapshotOptions) string {
 	title := style(colAccent, true).Render(strings.ToUpper(o.Title))
 
 	left := []string{title}
+	if o.ScanError != nil {
+		left = append(left, style(colCritical, true).Render("SCAN FAILED"))
+	}
 	if !snap.WindowEnd.IsZero() {
 		left = append(left, style(colText3, false).Render(
 			fmt.Sprintf("%s–%s UTC", snap.WindowStart.Format("15:04"), snap.WindowEnd.Format("15:04"))))