feat: Implemented UDP Outbound Adif message, freq to pstrotator

internal/cwdecode/cwdecode.go

@@ -325,15 +325,12 @@ func (d *Decoder) endMark(hops int) {
 }
 
 // adaptDot nudges the dot-length estimate toward an observation (EMA, clamped
-// to ~5–100 WPM). The first marks of a new signal adapt FAST so the WPM (and
-// therefore the character/word gap thresholds) converge within the first
-// character or two — otherwise a wrong seed mis-times early gaps and runs
-// characters/words together.
+// to ~5–60 WPM). The EMA is deliberately GENTLE (0.2) and NOT accelerated on the
+// opening marks: a fast alpha let short noise blips (misclassified as dots) drag
+// the dot-length down to the clamp within a few marks — the "60 WPM, all dits"
+// garbage. The slow EMA is self-correcting because genuine marks pull it back up.
 func (d *Decoder) adaptDot(obs float64) {
-	alpha := 0.2
-	if d.markCount < 6 {
-		alpha = 0.5 // fast convergence on the opening marks
-	}
+	const alpha = 0.2
 	d.markCount++
 	d.dotHops = d.dotHops*(1-alpha) + obs*alpha
 	if d.dotHops < 5 { // 5 hops ≈ 60 WPM ceiling — never 100