Subghz V2 Phoenix fully supported now

With big thanks to all contributors
 2022.08 - @Skorpionm
 2025.07 - @xMasterX & @RocketGod-git

lib/subghz/protocols/public_api.h

@@ -123,6 +123,22 @@ bool subghz_protocol_came_atomo_create_data(
     uint16_t cnt,
     SubGhzRadioPreset* preset);
 
+/**
+ * Key generation from simple data.
+ * @param context Pointer to a SubGhzProtocolEncoderPhoenix_V2 instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @param serial Serial number
+ * @param cnt Counter value, 16 bit
+ * @param preset Modulation, SubGhzRadioPreset
+ * @return true On success
+ */
+bool subghz_protocol_phoenix_v2_create_data(
+    void* context,
+    FlipperFormat* flipper_format,
+    uint32_t serial,
+    uint16_t cnt,
+    SubGhzRadioPreset* preset);
+
 /**
  * New remote generation.
  * @param context Pointer to a SubGhzProtocolEncoderNiceFlorS instance