feat: Divi manifests, adapter register and boundary test

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

src/Integrations/Divi/Release/Mirror.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Integrations\Divi\Release;
+
+defined('ABSPATH') || exit;
+
+/**
+ * A Divi function whose storage logic an adapter repeats instead of calling it (spec §4.1 "mirrors"). Its
+ * fingerprint (SourceFingerprint) must match the one in fingerprints.json, else Divi changed what we copy.
+ */
+final class Mirror
+{
+    /**
+     * @param string      $id       Key in fingerprints.json and name of tests/Fixtures/divi/reference/<id>.txt.
+     * @param string      $file     Divi file, relative to the Divi theme directory.
+     * @param string      $function Function or method name.
+     * @param string|null $class    Class of a method – the short name is enough (the file fixes where it
+     *                              lives, and a short name is no Divi name for DiviBoundaryTest); null for a function.
+     * @param string      $what     What the plugin repeats (German, for reports).
+     */
+    public function __construct(
+        public readonly string $id,
+        public readonly string $file,
+        public readonly string $function,
+        public readonly ?string $class,
+        public readonly string $what
+    ) {
+    }
+
+    public function label(): string
+    {
+        $class = $this->class === null ? '' : SourceFingerprint::shortName($this->class) . '::';
+
+        return $class . $this->function . '()';
+    }
+}