Feature: Added global variable functionality #10703 (#11117)

### What problem does this PR solve?

Feature: Added global variable functionality

### Type of change

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

web/src/interfaces/database/agent.ts

@@ -45,6 +45,7 @@ export interface DSL {
   messages?: Message[];
   reference?: IReference[];
   globals: Record<string, any>;
+  variables: Record<string, GobalVariableType>;
   retrieval: IReference[];
 }
 
@@ -283,3 +284,10 @@ export interface IPipeLineListRequest {
   desc?: boolean;
   canvas_category?: AgentCategory;
 }
+
+export interface GobalVariableType {
+  name: string;
+  value: any;
+  description: string;
+  type: string;
+}