Refactor to CanvasBuilder further to make prompt logging easier
>>> [!note] Migrated issue
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Reported by: [tedbow](https://www.drupal.org/user/240860)
Related to !297
>>>
<h3 id="overview">Overview</h3>
<p>I don't have all the context this but we looking at prompt logging. Everything current runs through <code>\Drupal\canvas_ai\Controller\CanvasBuilder::render</code> which currently 242 lines after <span class="drupalorg-gitlab-issue-link drupalorg-gitlab-link-wrapper"><a href="https://git.drupalcode.org/project/canvas/-/work_items/3555464" class="drupalorg-gitlab-link">https://git.drupalcode.org/project/canvas/-/work_items/3555464</a></span> this will a bit shorter but it still does a ton. </p>
<h3 id="proposed-resolution">Proposed resolution</h3>
<p>Simplify <code>\Drupal\canvas_ai\Controller\CanvasBuilder::render</code><br>
Start with 1 MR to clean up what is there so adapting it for logging will be easier</p>
<h3 id="ui-changes">User interface changes</h3>
<p>None</p>
issue