feat: 更新提交信息格式，使用规范化前缀

update_files.py

@@ -71,7 +71,7 @@ def main():
         subprocess.run(["git", "remote", "set-url", "origin", new_repo_url], check=True)
         subprocess.run(["git", "checkout", "-B", "main"], check=True)
         subprocess.run(["git", "add", "."], check=True)
-        commit_message = "自动更新：从 list.yaml 下载最新文件"
+        commit_message = "feat: 自动更新从 list.yaml 下载最新文件"
         # 如果没有变更，则 git commit 会返回非零状态，可用 || true 处理
         subprocess.run(["git", "commit", "-m", commit_message], check=False)
         subprocess.run(["git", "push", "origin", "main"], check=True)