Split detail action policy contracts

tests/Architecture/DetailActionPolicyRuntimeContractTest.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace MintyPHP\Tests\Architecture;
+
+use PHPUnit\Framework\TestCase;
+
+final class DetailActionPolicyRuntimeContractTest extends TestCase
+{
+    use ProjectFileAssertionSupport;
+
+    public function testDetailPageFactoryUsesActionPolicyModule(): void
+    {
+        $content = $this->readProjectFile('web/js/core/app-detail-page-factory.js');
+
+        $this->assertStringContainsString(
+            "import { initDetailActionPolicy } from './app-details-action-policy.js';",
+            $content
+        );
+        $this->assertStringContainsString('const actionPolicy = initDetailActionPolicy(', $content);
+        $this->assertStringContainsString('actionPolicy.isSubmitting()', $content);
+    }
+}