4.8-fix (#1305)

* fix if-else find variables (#92)

* fix if-else find variables

* change workflow output type

* fix tooltip style

* fix

* 4.8 (#93)

* api middleware

* perf: app version histories

* faq

* perf: value type show

* fix: ts

* fix: Run the same node multiple times

* feat: auto save workflow

* perf: auto save workflow

---------

Co-authored-by: heheer <71265218+newfish-cmyk@users.noreply.github.com>

packages/service/core/app/versionSchema.ts

@@ -0,0 +1,36 @@
+import { connectionMongo, type Model } from '../../common/mongo';
+const { Schema, model, models } = connectionMongo;
+import { AppVersionSchemaType } from '@fastgpt/global/core/app/version';
+
+export const AppVersionCollectionName = 'app.versions';
+
+const AppVersionSchema = new Schema({
+  appId: {
+    type: Schema.Types.ObjectId,
+    ref: AppVersionCollectionName,
+    required: true
+  },
+  time: {
+    type: Date,
+    default: () => new Date()
+  },
+  nodes: {
+    type: Array,
+    default: []
+  },
+  edges: {
+    type: Array,
+    default: []
+  }
+});
+
+try {
+  AppVersionSchema.index({ appId: 1, time: -1 });
+} catch (error) {
+  console.log(error);
+}
+
+export const MongoAppVersion: Model<AppVersionSchemaType> =
+  models[AppVersionCollectionName] || model(AppVersionCollectionName, AppVersionSchema);
+
+MongoAppVersion.syncIndexes();