refactor: Kern ohne Divi – Ports BuilderDetector, MediaUsageSource, EnvironmentComponent und ausgeschlossene Post-Typen im ContentSchema; Divi-Implementierungen und Verdrahtung über DiviIntegration/Plugin; CoreIndependenceTest

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tests/Support/FakeBuilderDetector.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Tests\Support;
+
+use LIT\MCP\Integrations\WordPress\BuilderDetector;
+
+/** A BuilderDetector for tests: fixed availability and a fixed set of builder layouts. */
+final class FakeBuilderDetector implements BuilderDetector
+{
+    /** @param list<int> $layouts IDs of the posts the builder flag marks. */
+    public function __construct(private bool $available = true, private array $layouts = [])
+    {
+    }
+
+    public function isAvailable(): bool
+    {
+        return $this->available;
+    }
+
+    public function usesBuilder(int $postId): bool
+    {
+        return in_array($postId, $this->layouts, true);
+    }
+}