Set deprecation warnings of programmed agents
>>> [!note] Migrated issue
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<!-- Migrated from issue #3546513. -->
Reported by: [marcus_johansson](https://www.drupal.org/user/385947)
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>We have come to the conclusion that the programmed agents, offers very little upside and are quite complex to create, and the configurable agents follows the standards of the ReAct loop. This together with being able to do agentic workflows in ECA, makes the usefulness of the programmed agents redundant.</p>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>Add deprecation warning on Drupal\ai_agents\PluginInterfaces\AiAgentInterface that this interface should not be extended and that configuration agents should be used instead.</p>
issue