feat(原生AI摘要功能支持缓存): 自定义缓存功能只支持memory，不支持文件缓存

(cherry picked from commit dd56dae44f7f555d9004e7d1f872085bded2cb86)

lib/plugins/aiSummary.js

@@ -7,6 +7,7 @@
  */
 export async function getAiSummary(aiSummaryAPI, aiSummaryKey, truncatedText) {
   try {
+    console.log('请求文章摘要', truncatedText.slice(0, 100))
     const response = await fetch(aiSummaryAPI, {
       method: 'POST',
       headers: {