Feat: Add DynamicPrompt component #3221 (#8028)

### What problem does this PR solve?

Feat: Add DynamicPrompt component #3221

### Type of change


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

web/src/locales/en.ts

@@ -1279,6 +1279,9 @@ This delimiter is used to split the input text into several text pieces echo of
       beginInputTip:
         'By defining input parameters, this content can be accessed by other components in subsequent processes.',
       query: 'Query variables',
+      agent: 'Agent',
+      agentDescription:
+        'Builds agent components equipped with reasoning, tool usage, and multi-agent collaboration. ',
     },
     llmTools: {
       bad_calculator: {