add ability to remove neighbour via cli

examples/simple_repeater/main.cpp

@@ -719,6 +719,17 @@ public:
     *dp = 0;  // null terminator
   }
 
+  void removeNeighbor(const uint8_t* pubkey, int key_len) override {
+#if MAX_NEIGHBOURS
+    for (int i = 0; i < MAX_NEIGHBOURS; i++) {
+      NeighbourInfo* neighbour = &neighbours[i];
+      if(memcmp(neighbour->id.pub_key, pubkey, key_len) == 0){
+        neighbours[i] = {}; // clear neighbour entry
+      }
+    }
+#endif
+  }
+
   mesh::LocalIdentity& getSelfId() override { return self_id; }
 
   void clearStats() override {

src/helpers/CommonCLI.cpp

@@ -165,6 +165,17 @@ void CommonCLI::handleCommand(uint32_t sender_timestamp, const char* command, ch
       }
     } else if (memcmp(command, "neighbors", 9) == 0) {
       _callbacks->formatNeighborsReply(reply);
+    } else if (memcmp(command, "neighbor.remove ", 16) == 0) {
+      const char* hex = &command[16];
+      uint8_t pubkey[PUB_KEY_SIZE];
+      int hex_len = min(strlen(hex), PUB_KEY_SIZE*2);
+      int pubkey_len = hex_len / 2;
+      if (mesh::Utils::fromHex(pubkey, pubkey_len, hex)) {
+        _callbacks->removeNeighbor(pubkey, pubkey_len);
+        strcpy(reply, "OK");
+      } else {
+        strcpy(reply, "ERR: bad pubkey");
+      }
     } else if (memcmp(command, "tempradio ", 10) == 0) {
       strcpy(tmp, &command[10]);
       const char *parts[5];

src/helpers/CommonCLI.h

@@ -43,6 +43,7 @@ public:
   virtual void dumpLogFile() = 0;
   virtual void setTxPower(uint8_t power_dbm) = 0;
   virtual void formatNeighborsReply(char *reply) = 0;
+  virtual void removeNeighbor(const uint8_t* pubkey, int key_len) = 0;
   virtual mesh::LocalIdentity& getSelfId() = 0;
   virtual void clearStats() = 0;
   virtual void applyTempRadioParams(float freq, float bw, uint8_t sf, uint8_t cr, int timeout_mins) = 0;