How to evaluate Cheng Xin in the third part of the " Three-Body Problem "?

Cheng Xin was a very important character in the third part of " The Three-Body System ". She was the first decision-maker after the human civilization came into contact with the Three-Body System, and also one of the main people responsible for the Three-Body System's invasion of Earth. From a human perspective, Cheng Xin was a very smart, brave, and responsible person. She did not retreat in the face of the invasion of the Three-Body Civilization. Instead, she decisively took a series of measures to protect Earth and human civilization. She thought deeply and put forward many forward-looking ideas, such as the "Dark Forest Law" and "Cosmic Immigration", which provided important ideas for the human beings on Earth to resist the invasion of the three-body civilization. From the perspective of the Three-Body Civilization, Cheng Xin was a wise, calm, and decisive decision-maker. She was able to think deeply and analyze the situation, judge the pros and cons, and make the right decision at the critical moment to help the Three-Body Civilization successfully invade Earth. In general, Cheng Xin was a very important character in the third part of " The Three-Body Problem ". Her performance not only reflected the wisdom and courage of human beings, but also the wisdom and decisiveness of the Three-Body Civilization. Her character creation was very successful and impressive.