Calling toArray() on string in \Drupal\ai_observability\EventSubscriber\AiEventsSubscriber::logEvent()
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3567168. -->
Reported by: [mxr576](https://www.drupal.org/user/315522)
Related to !1092
>>>
<p>[Tracker]<br>
<strong>Update Summary: </strong>[One-line status update for stakeholders]<br>
<strong>Short Description: </strong>[One-line issue summary for stakeholders]<br>
<strong>Check-in Date: </strong>MM/DD/YYYY<br>
<em>Metadata is used by the <a href="https://www.drupalstarforge.ai/" title="AI Tracker">AI Tracker.</a> Docs and additional fields <a href="https://www.drupalstarforge.ai/ai-dashboard/docs" title="AI Issue Tracker Documentation">here</a>.</em><br>
[/Tracker]</p>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p><code>$event->getInput()</code> return type is <code>mixed</code>, so calling <code>toArray()</code> on it could lead to WSOD.</p>
<h4 id="summary-steps-reproduce">Steps to reproduce (required for bugs, but not feature requests)</h4>
<p>Please provide information like AI modules enabled, which AI provider, browser, etc.</p>
<p>I was trying to observe AI calls with the ai_observibility module.</p>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<h3 id="summary-remaining-tasks">Remaining tasks</h3>
<h3>Optional: Other details as applicable (e.g., User interface changes, API changes, Data model changes)</h3>
> Related issue: [Issue #3535281](https://www.drupal.org/node/3535281)
issue