Adopt ai_context public scope-subscription API and drop local workarounds (follow-up to #3583739)
>>> [!note] Migrated issue
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Reported by: [joshua1234511](https://www.drupal.org/user/3362218)
Related to !16
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<h3>Problem / Motivation</h3>
<p>The Context Control Centre integration shipped in <a href="https://www.drupal.org/project/ai_empathy/issues/3583739">#3583739</a> had to work around two limitations in ai_context that have since been fixed upstream:</p>
<ol>
<li><strong>No public form-building API</strong> — <code>ai_empathy_ccc</code> reimplemented the scope subscription build/extract/summary logic and depended directly on the internal <code>plugin.manager.ai_context_scope</code>. Fixed upstream by <a href="https://git.drupalcode.org/project/ai_context/-/work_items/3586287">ai_context #3586287</a>, which adds the public <code>ai_context.scope_subscription_form</code> service (<code>AiContextScopeSubscriptionFormBuilderInterface</code>).</li>
<li><strong><code>hook_ai_context_scope_values_alter()</code> ignored in forms</strong> — our <code>empathy_evaluation</code> use case (registered via that hook) wasn't selectable in the scope widgets, so we carry <code>_ai_empathy_ccc_apply_altered_scope_options()</code> to rewrite each widget's <code>#options</code> from <code>getAllScopeValues()</code>. Fixed upstream by <a href="https://git.drupalcode.org/project/ai_context/-/work_items/3586246">ai_context #3586246</a>, which makes the alter hook authoritative in <code>buildValueForm()</code> / <code>getValues()</code>.</li>
</ol>
<p>Now that both fixes exist upstream, we can delete our workarounds and depend on the supported public API instead.</p>
<h3>Blocked on</h3>
<ul>
<li><a href="https://git.drupalcode.org/project/ai_context/-/work_items/3586287">ai_context #3586287</a></li>
<li><a href="https://git.drupalcode.org/project/ai_context/-/work_items/3586246">ai_context #3586246</a></li>
<li>A tagged ai_context release containing both.</li>
</ul>
<p><em>Do not start until a fixed version is out.</em></p>
<h3>Proposed resolution</h3>
<p>In <code>modules/ai_empathy_ccc/</code>:</p>
<ul>
<li>Replace the build loop in <code>_ai_empathy_ccc_scenario_scope_form()</code> with <code>ai_context.scope_subscription_form</code>::<code>buildWidgets()</code> (plus <code>hasSubscribableScopes()</code>).</li>
<li>Replace the extract loop in <code>ai_empathy_ccc_scenario_form_builder()</code> with <code>extractValues()</code>.</li>
<li>Remove <code>_ai_empathy_ccc_apply_altered_scope_options()</code> entirely, and the <code>ai_context_item</code> branch in <code>ai_empathy_ccc_form_alter()</code> that calls it — the altered <code>empathy_evaluation</code> value now renders natively.</li>
<li>Drop the direct <code>\Drupal::service('plugin.manager.ai_context_scope')</code> usages (the internal manager) once the above are gone.</li>
<li>Bump the ai_context constraint in <code>ai_empathy_ccc.info.yml</code> / <code>composer.json</code> to the release that contains both fixes.</li>
</ul>
<p><code>hook_ai_context_scope_values_alter()</code> (registering the <code>empathy_evaluation</code> use case) stays — that's still the supported extension point and is unaffected.</p>
<h3>Acceptance criteria</h3>
<ul>
<li>[ ] <code>ai_empathy_ccc</code> no longer references <code>plugin.manager.ai_context_scope</code>.</li>
<li>[ ] <code>_ai_empathy_ccc_apply_altered_scope_options()</code> is removed.</li>
<li>[ ] Scenario add/edit form still renders scope subscriptions and persists them identically (incl. the <code>empathy_evaluation</code> use case being selectable).</li>
<li>[ ] Existing CCC tests pass; add/adjust coverage for the form via the new API.</li>
<li>[ ] ai_context version constraint bumped to the fixed release.</li>
</ul>
<h3>Verification note</h3>
<p>Verified locally with both upstream patches applied: the altered use case renders and saves from the scenario form without the workaround, so the local helper can be removed cleanly. See discussion on<br>
<a href="https://www.drupal.org/project/ai_empathy/issues/3583739">#3583739</a>, <a href="https://git.drupalcode.org/project/ai_context/-/work_items/3586287">ai_context #3586287</a> and <a href="https://git.drupalcode.org/project/ai_context/-/work_items/3586246">ai_context #3586246</a>.</p>
issue
GitLab AI Context
Project: project/ai_empathy
Instance: https://git.drupalcode.org
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