Feat: Add Email and DuckDuckGo and Wikipedia Operator #3221 (#9090)

### What problem does this PR solve?

Feat: Add Email and DuckDuckGo and Wikipedia Operator #3221

### Type of change


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

web/src/pages/agent/hooks/use-agent-tool-initial-values.ts

@@ -1,4 +1,4 @@
-import { omit } from 'lodash';
+import { omit, pick } from 'lodash';
 import { useCallback } from 'react';
 import { Operator } from '../constant';
 import { useInitializeOperatorParams } from './use-add-node';
@@ -27,6 +27,22 @@ export function useAgentToolInitialValues() {
         case Operator.YahooFinance:
           return omit(initialValues, 'stock_code');
 
+        case Operator.Email:
+          return pick(
+            initialValues,
+            'smtp_server',
+            'smtp_port',
+            'email',
+            'password',
+            'sender_name',
+          );
+
+        case Operator.DuckDuckGo:
+          return pick(initialValues, 'top_n', 'channel');
+
+        case Operator.Wikipedia:
+          return pick(initialValues, 'top_n', 'language');
+
         default:
           return initialValues;
       }