fix: correct SPE band-code map (00=160m,01=80m,02=60m...confirmed on hw); add output-power bar to SPE amp card

internal/spe/spe.go

@@ -309,16 +309,18 @@ func (c *Client) decodeCSV(payload string) {
 // bandName maps the SPE 2-digit band index to a human band label, falling back to
 // the raw code for anything unrecognised.
 func bandName(code string) string {
-	// SPE band index (from the Expert user manual): 0=60m, 1=160m, 2=80m, 3=40m,
-	// 4=30m, 5=20m, 6=17m, 7=15m, 8=12m, 9=10m, 0xA(=10)=6m. The status frame reports
-	// it as a 2-digit decimal string ("05", "10", …).
+	// SPE band index, verified against a live 1.3K-FA: the status frame reports the
+	// band as a 2-digit decimal string ordered by descending wavelength — 80m→"01"
+	// and 20m→"05" were both confirmed on hardware (the printed manual's table was
+	// off by one). 00=160m, 01=80m, 02=60m, 03=40m, 04=30m, 05=20m, 06=17m, 07=15m,
+	// 08=12m, 09=10m, 10=6m.
 	switch strings.TrimSpace(code) {
 	case "00":
-		return "60m"
-	case "01":
 		return "160m"
-	case "02":
+	case "01":
 		return "80m"
+	case "02":
+		return "60m"
 	case "03":
 		return "40m"
 	case "04":