4.8.20 update (#3706)

* fix: rerank auth token

* feat: check null value

* bind notify

* perf: reasoning config

* Adapt mongo 4.x index

packages/service/core/dataset/data/dataTextSchema.ts

@@ -37,12 +37,7 @@ try {
     { teamId: 1, datasetId: 1, fullTextToken: 'text' },
     {
       name: 'teamId_1_datasetId_1_fullTextToken_text',
-      default_language: 'none',
-      collation: {
-        locale: 'simple', // 使用简单匹配规则
-        strength: 2, //  忽略大小写
-        caseLevel: false // 进一步确保大小写不敏感
-      }
+      default_language: 'none'
     }
   );
   DatasetDataTextSchema.index({ dataId: 1 }, { unique: true });