fix: clicking an OpsLog spot on the Flex panadapter now sets the mode too — cluster spots get a mode inferred (comment/band plan) and SendSpot converts it to a real Flex mode (SSB->USB/LSB, FT8->DIGU), so SmartSDR actually switches mode on the click; changelog 0.20.10

internal/cat/flex.go

@@ -1162,7 +1162,11 @@ func (f *Flex) SendSpot(s SpotInfo) error {
 	}
 	cmd := fmt.Sprintf("spot add rx_freq=%.6f callsign=%s color=%s source=OpsLog lifetime_seconds=%d trigger_action=Tune timestamp=%d",
 		float64(s.FreqHz)/1e6, call, color, life, time.Now().Unix())
-	if m := flexEncode(s.Mode); m != "" {
+	// Convert to a real Flex mode (USB/LSB/CW/DIGU/…): SmartSDR only switches the
+	// slice mode on a spot click when mode= is one of ITS mode names — "SSB" or a
+	// bare cluster label is ignored, so the mode wouldn't change. adifModeToFlex
+	// also resolves SSB→USB/LSB from the spot frequency.
+	if m := flexEncode(adifModeToFlex(s.Mode, s.FreqHz)); m != "" {
 		cmd += " mode=" + m
 	}
 	if c := flexEncode(s.Comment); c != "" {