fix: Enhance warning messages in Dynamixel model file handling to include file path

Author: Woojin-Crive

src/dynamixel/dynamixel_info.cpp

@@ -117,14 +117,14 @@ void DynamixelInfo::ReadDxlModelFile(uint8_t id, uint16_t model_num)
   // Set default values and warn if parameters are missing
   if (!torque_constant_set) {
     fprintf(
-      stderr, "[WARN] Model file doesn't contain torque_constant parameter. "
-      "Using default value: 1.0\n");
+      stderr, "[WARN] Model file '%s' doesn't contain torque_constant parameter. "
+      "Using default value: 1.0\n", path.c_str());
     temp_dxl_info.torque_constant = 1.0;
   }
   if (!velocity_unit_set) {
     fprintf(
-      stderr, "[WARN] Model file doesn't contain velocity_unit parameter. "
-      "Using default value: 0.01\n");
+      stderr, "[WARN] Model file '%s' doesn't contain velocity_unit parameter. "
+      "Using default value: 0.01\n", path.c_str());
     temp_dxl_info.velocity_unit = 0.01;
   }