* companion client repeat mode support

examples/companion_radio/MyMesh.h

@@ -5,7 +5,7 @@
 #include "AbstractUITask.h"
 
 /*------------ Frame Protocol --------------*/
-#define FIRMWARE_VER_CODE 8
+#define FIRMWARE_VER_CODE 9
 
 #ifndef FIRMWARE_BUILD_DATE
 #define FIRMWARE_BUILD_DATE "29 Jan 2026"
@@ -108,6 +108,7 @@ protected:
   int calcRxDelay(float score, uint32_t air_time) const override;
   uint8_t getExtraAckTransmitCount() const override;
   bool filterRecvFloodPacket(mesh::Packet* packet) override;
+  bool allowPacketForward(const mesh::Packet* packet) override;
 
   void sendFloodScoped(const ContactInfo& recipient, mesh::Packet* pkt, uint32_t delay_millis=0) override;
   void sendFloodScoped(const mesh::GroupChannel& channel, mesh::Packet* pkt, uint32_t delay_millis=0) override;
@@ -176,6 +177,7 @@ private:
 
   void checkCLIRescueCmd();
   void checkSerialInterface();
+  bool isValidClientRepeatFreq(uint32_t f) const;
 
   // helpers, short-cuts
   void saveChannels() { _store->saveChannels(this); }