feat(options): add repeat_last_n (#2660)

feat(options): add repeat_last_n

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

backend/cpp/llama/grpc-server.cpp

@@ -886,6 +886,8 @@ struct llama_server_context
             {"task_id", slot->task_id},
         });
 
+        LOG_TEE("sampling: \n%s\n", llama_sampling_print(slot->sparams).c_str());
+
         return true;
     }