Feat: Add the example component of the classification operator #3221 (#7986)

### What problem does this PR solve?

Feat: Add the example component of the classification operator #3221

### Type of change


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

web/src/interfaces/database/agent.ts

@@ -0,0 +1,11 @@
+export interface ICategorizeItem {
+  name: string;
+  description?: string;
+  examples?: { value: string }[];
+  index: number;
+}
+
+export type ICategorizeItemResult = Record<
+  string,
+  Omit<ICategorizeItem, 'name' | 'examples'> & { examples: string[] }
+>;