Panel cleanup: chip padding up a step and a tighter chip line gap, corrected/SNR numbers neutral until amber or red, dB margin casing, compound elapsed units (1m39s) ending the minutes/metres m collision, noise chip shows presence only

render.go

@@ -101,15 +101,16 @@ func scaleCount(v uint64) string {
 
 // The same shape for time, whose magnitudes are sixties and twenty-fours.
 func scaleTime(d time.Duration) string {
+	s := int(d.Seconds())
 	switch {
 	case d < time.Minute:
-		return fmt.Sprintf("%.2f s", d.Seconds())
+		return fmt.Sprintf("%ds", s)
 	case d < time.Hour:
-		return fmt.Sprintf("%.2f m", d.Minutes())
+		return fmt.Sprintf("%dm%02ds", s/60, s%60)
 	case d < 24*time.Hour:
-		return fmt.Sprintf("%.2f h", d.Hours())
+		return fmt.Sprintf("%dh%02dm", s/3600, (s/60)%60)
 	}
-	return fmt.Sprintf("%.2f d", d.Hours()/24)
+	return fmt.Sprintf("%dd%02dh", s/86400, (s/3600)%24)
 }
 
 type colSpec struct {
@@ -282,7 +283,7 @@ func snrCell(phy phyDisplay) string {
 	s := fmt.Sprintf("%+.1f", phy.worstMargin)
 	switch snrClass(phy.worstMargin) {
 	case clsGood:
-		return paint(s, cGreen)
+		return s
 	case clsWarn:
 		return paint(s, cYellow)
 	default:
@@ -292,7 +293,7 @@ func snrCell(phy phyDisplay) string {
 
 func correctedCell(v uint64) string {
 	if v == 0 {
-		return paint("0", cGreen)
+		return "0"
 	}
 	return paint(commas(v), cYellow)
 }