Improve readability of update function output
>>> [!note] Migrated issue
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<!-- Migrated from issue #3555499. -->
Reported by: [rclemings](https://www.drupal.org/user/917304)
Related to !14
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>The output from "drush modeler_api:update" (and "drush eca:update" in ECA v2) is hard to read if there are more than a few models.<br>
See previous discussion on Slack: <a href="https://drupal.slack.com/archives/C0287U62CSG/p1761609616125999">https://drupal.slack.com/archives/C0287U62CSG/p1761609616125999</a></p>
<h4 id="summary-steps-reproduce">Steps to reproduce</h4>
<p>Run "drush modeler_api:update" in modeler_api or "drush eca:update" in ECA v2.</p>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>When a model is updated, set the resulting message as "warning" rather than "message." This should display the warning in a different color (e.g. red instead of green). Also add a summary showing how many messages were changed, how many were not, and how many errors were encountered.</p>
<h3 id="summary-remaining-tasks">Remaining tasks</h3>
<p>Update /src/Update.php and /src/Drush/Commands/ModelerApiCommands.php.</p>
<h3 id="summary-ui-changes">User interface changes</h3>
<p>More readable output from "drush modeler_api:update."</p>
<h3 id="summary-api-changes">API changes</h3>
<p>None.</p>
<h3 id="summary-data-model-changes">Data model changes</h3>
<p>None.</p>
> Related issue: [Issue #3555503](https://www.drupal.org/node/3555503)
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