Allow the agent runner to take ChatInput
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3517750. -->
Reported by: [marcus_johansson](https://www.drupal.org/user/385947)
Related to !78
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>Currently due to legacy reasons we have an abstraciton layer called task with chat history and files. All that exists in the abstracted ChatInputInterface. we should use that as well.</p>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>Allow to use ChatInputInterface in a new method, instead of a TaskInterface.</p>
<h3 id="summary-remaining-tasks">Remaining tasks</h3>
<h3 id="summary-ui-changes">User interface changes</h3>
<h3 id="summary-api-changes">API changes</h3>
<h3 id="summary-data-model-changes">Data model changes</h3>
issue