Feat: Add Tavily operator #3221 (#8400)

### What problem does this PR solve?

Feat: Add Tavily operator #3221

### Type of change


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

web/src/pages/agent/hooks/use-add-node.ts

@@ -39,6 +39,7 @@ import {
   initialRetrievalValues,
   initialRewriteQuestionValues,
   initialSwitchValues,
+  initialTavilyValues,
   initialTemplateValues,
   initialTuShareValues,
   initialWaitingDialogueValues,
@@ -104,6 +105,7 @@ export const useInitializeOperatorParams = () => {
       [Operator.WaitingDialogue]: initialWaitingDialogueValues,
       [Operator.Agent]: { ...initialAgentValues, llm_id: llmId },
       [Operator.Tool]: {},
+      [Operator.Tavily]: initialTavilyValues,
     };
   }, [llmId]);