Feat: Allow other operators to reference the structured output defined by the agent operator. #10866 (#10886)

### What problem does this PR solve?

Feat: Allow other operators to reference the structured output defined
by the agent operator. #10866
### Type of change


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

web/src/pages/agent/constant/index.tsx

@@ -584,6 +584,8 @@ export const initialCodeValues = {
 
 export const initialWaitingDialogueValues = {};
 
+export const AgentStructuredOutputField = 'structured';
+
 export const initialAgentValues = {
   ...initialLlmBaseValues,
   description: '',
@@ -615,7 +617,7 @@ export const initialAgentValues = {
       type: 'string',
       value: '',
     },
-    structured: {},
+    [AgentStructuredOutputField]: {},
   },
 };