feat: Divi tools write library entries; global ones with dry run, confirm and backup (E2, F2)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

tests/Support/DiviWriterFixture.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Tests\Support;
 
 use LIT\MCP\Integrations\Divi\Design\DesignSystemReader;
+use LIT\MCP\Integrations\Divi\Library\GlobalEdits;
 use LIT\MCP\Integrations\Divi\Pages\DiviComposition;
 use LIT\MCP\Integrations\Divi\Pages\DiviPageLoader;
 use LIT\MCP\Integrations\Divi\Pages\DiviSaver;
@@ -98,7 +99,8 @@ final class DiviWriterFixture
         array &$saved,
         array &$failures = [],
         bool $unfiltered = false,
-        ?DiviPageLoader $loader = null
+        ?DiviPageLoader $loader = null,
+        ?GlobalEdits $globals = null
     ): DiviWriter {
         $design = self::designReader();
 
@@ -107,7 +109,8 @@ final class DiviWriterFixture
             self::saver($saved, $failures),
             self::log(),
             $design,
-            self::composition($design, $unfiltered)
+            self::composition($design, $unfiltered),
+            $globals
         );
     }
 }