File/Audio Automator results not visible immediately after generation
>>> [!note] Migrated issue
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<!-- Migrated from issue #3569116. -->
Reported by: [anjaliprasannan](https://www.drupal.org/user/3637917)
Related to !1129
>>>
<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>
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<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>When using an AI Automator on a File field (e.g., generating audio from text), the generated file does not appear in the widget immediately after the AJAX operation completes. Instead, the widget enters a state where it shows a "Remove" button but no file link or audio player. The file is only fully attached and visible after the entity is saved and the page is reloaded.</p>
<p>Technical Analysis (The Root Cause):</p>
<p>Missing Context Extraction: The previous implementation of aiAutomatorsAjax in File.php did not correctly extract the field name and delta from the triggering element, causing issues with targeting specific items in multi-value fields.<br>
Widget State vs.<br>
Display: While the file ID (fids) was being successfully set on the form element value, the managed_file widget requires its #process callbacks to run to generate the actual display elements (filename, download link, audio player). Because the AJAX callback was simply returning the array without re-triggering these process functions with the new values, the widget knew it had a file (displaying "Remove") but hadn't rendered the preview.</p>
> Related issue: [Issue #3566589](https://www.drupal.org/node/3566589)
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