AIPrompt throws a console error when the service url is declared within an object

[alestoya]

Bug report

AIPrompt throws a console error when the service url is declared as an object

Reproduction of the problem

1. Declare the service.url API configuration.
2. Supplement some initial promptSuggestions.
3. Select one of the suggestions
4. Click on the Generate button and notice the following console error.

The behavior can also be seen within the following demo. Make sure to select the TagHelper configuration and reload the demo:

Environment

**Kendo UI version: 2025.1.211
**Browser: [all]