feat: Support for Power Genius XL

app.go

@@ -41,6 +41,7 @@ import (
 	"hamlog/internal/rotator/pst"
 	"hamlog/internal/settings"
 	"hamlog/internal/antgenius"
+	"hamlog/internal/powergenius"
 	"hamlog/internal/ultrabeam"
 	"hamlog/internal/winkeyer"
 
@@ -146,6 +147,11 @@ const (
 	keyAntGeniusEnabled = "antgenius.enabled"
 	keyAntGeniusHost    = "antgenius.host"
 
+	// PowerGenius XL (4O3A) amplifier fan-mode control — Hardware → PowerGenius.
+	keyPGXLEnabled = "pgxl.enabled"
+	keyPGXLHost    = "pgxl.host"
+	keyPGXLPort    = "pgxl.port"
+
 	// WinKeyer CW keyer (serial) — Hardware → CW Keyer.
 	keyWKEnabled    = "winkeyer.enabled"
 	keyWKPort       = "winkeyer.port"
@@ -389,7 +395,8 @@ type App struct {
 	clublog             *clublog.Manager
 	ultrabeam           *ultrabeam.Client // Ultrabeam antenna (TCP); nil when disabled
 	ubFollowStop        chan struct{}     // stops the "follow frequency" loop; nil when off
-	antgenius           *antgenius.Client // Antenna Genius (4O3A) switch (TCP); nil when disabled
+	antgenius           *antgenius.Client   // Antenna Genius (4O3A) switch (TCP); nil when disabled
+	pgxl                *powergenius.Client // PowerGenius XL (4O3A) amp fan control (TCP); nil when disabled
 	audioMgr            *audio.Manager
 	qsoRec              *audio.Recorder // continuous QSO recorder (rolling pre-roll)
 	cwMu                sync.Mutex          // guards the CW decoder lifecycle
@@ -824,6 +831,8 @@ func (a *App) startup(ctx context.Context) {
 	a.startUltrabeam()
 	// Antenna Genius switch: connect in the background if enabled.
 	a.startAntGenius()
+	// PowerGenius XL amp fan control: connect in the background if enabled.
+	a.startPGXL()
 
 	// Autostart: launch the active profile's configured external programs that
 	// aren't already running (WSJT-X, JTAlert, rotator control, …). Background
@@ -7923,6 +7932,82 @@ func (a *App) AntGeniusDeselect(port int) error {
 	return a.antgenius.Activate(port, 0)
 }
 
+// ── PowerGenius XL (4O3A) amplifier fan control (TCP, default port 9006) ─────
+
+// PGXLSettings is the JSON shape for the Hardware → PowerGenius panel.
+type PGXLSettings struct {
+	Enabled bool   `json:"enabled"`
+	Host    string `json:"host"`
+	Port    int    `json:"port"`
+}
+
+func (a *App) GetPGXLSettings() (PGXLSettings, error) {
+	out := PGXLSettings{Port: 9006}
+	if a.settings == nil {
+		return out, fmt.Errorf("db not initialized")
+	}
+	m, err := a.settings.GetMany(a.ctx, keyPGXLEnabled, keyPGXLHost, keyPGXLPort)
+	if err != nil {
+		return out, err
+	}
+	out.Enabled = m[keyPGXLEnabled] == "1"
+	out.Host = m[keyPGXLHost]
+	if p, _ := strconv.Atoi(m[keyPGXLPort]); p > 0 && p <= 65535 {
+		out.Port = p
+	}
+	return out, nil
+}
+
+func (a *App) SavePGXLSettings(s PGXLSettings) error {
+	if a.settings == nil {
+		return fmt.Errorf("db not initialized")
+	}
+	if s.Port <= 0 || s.Port > 65535 {
+		s.Port = 9006
+	}
+	for k, v := range map[string]string{
+		keyPGXLEnabled: boolStr(s.Enabled),
+		keyPGXLHost:    strings.TrimSpace(s.Host),
+		keyPGXLPort:    strconv.Itoa(s.Port),
+	} {
+		if err := a.settings.Set(a.ctx, k, v); err != nil {
+			return err
+		}
+	}
+	a.startPGXL()
+	return nil
+}
+
+// startPGXL stops any existing client and starts a fresh one if enabled.
+func (a *App) startPGXL() {
+	if a.pgxl != nil {
+		a.pgxl.Stop()
+		a.pgxl = nil
+	}
+	s, err := a.GetPGXLSettings()
+	if err != nil || !s.Enabled || strings.TrimSpace(s.Host) == "" {
+		return
+	}
+	a.pgxl = powergenius.New(s.Host, s.Port)
+	_ = a.pgxl.Start()
+}
+
+// GetPGXLStatus returns the amp's fan/connection state for the UI poll.
+func (a *App) GetPGXLStatus() powergenius.Status {
+	if a.pgxl == nil {
+		return powergenius.Status{}
+	}
+	return a.pgxl.GetStatus()
+}
+
+// PGXLSetFanMode sets the amplifier fan mode (STANDARD | CONTEST | BROADCAST).
+func (a *App) PGXLSetFanMode(mode string) error {
+	if a.pgxl == nil {
+		return fmt.Errorf("PowerGenius not connected — enable it in Settings → PowerGenius")
+	}
+	return a.pgxl.SetFanMode(mode)
+}
+
 // --- WinKeyer (CW keyer) bindings ---
 
 // WKMacro is one CW message slot (F1…): a short label + the macro text, which