Allow custom messaging in AI Chatbot instead of "..."
>>> [!note] Migrated issue
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Reported by: [ronraney](https://www.drupal.org/user/3674214)
Related to !1130
>>>
<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>This request is to improve the UX for Chatbot. Assume the chatbot block is configured with Verbose Mode turned off. When an end user types in text and hits "Enter", the AI prompt does an animated ellipsis "...". It would be good for a Drupal admin to be able to customize the text that's shown when a question/prompt is entered.</p>
<p>Example:<br>
AI - How can I help today?<br>
Person - I'd like a doughnut<br>
AI - ... (thinking but saying nothing)</p>
<p>Preferred would be custom text<br>
AI - Give me a moment to find the best answer...</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>
<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>
issue