Fix beacon carrier staying off after a mid-window CARR→TONE switch

App/app/foxhunt.c

@@ -960,7 +960,8 @@ static uint8_t FOXHUNT_MorseByte(char c)
 static void FOXHUNT_KeyOn(void)
 {
     BK4819_ExitTxMute();
-    if (beaconCarrierKeyed)
+    // Assert the carrier in both modes: a no-op in TONE (already up), but it re-arms the PA
+    // if the mode was switched from CARR mid-window while the carrier happened to be down.
     BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, true);
 }
 static void FOXHUNT_KeyOff(void)

App/apps/beacon/beacon_app.c

@@ -223,7 +223,7 @@ static bool txDelay(uint16_t ms){
 }
 /* Keying: both modes key the tone; CARR gates the PA in lockstep so the carrier is truly
  * gone between elements (tone muted too, else it bleeds through residual PA leakage). */
-static void keyOn(void){  A->tx_mute(false); if(carrier) A->tx_carrier(true);  }
+static void keyOn(void){  A->tx_mute(false); A->tx_carrier(true);  }   /* carrier up both modes; re-arms after a mid-window switch */
 static void keyOff(void){ A->tx_mute(true);  if(carrier) A->tx_carrier(false); }
 static bool morseChar(char c,uint8_t vis){
     uint8_t code=morseByte(c);