feat: add FlowChatBox #918 (#1086)

### What problem does this PR solve?

feat: add FlowChatBox #918 

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/interfaces/database/flow.ts

@@ -4,7 +4,7 @@ export type DSLComponents = Record<string, IOperator>;
 
 export interface DSL {
   components: DSLComponents;
-  history?: any[];
+  history: any[];
   path?: string[];
   answer?: any[];
   graph?: IGraph;