feat: lit/library-make-global – node to global module, all or nothing (E10)

- NewLibraryEntry: spec and creation of a new library entry, shared by
  lit/library-save and lit/library-make-global (NewDraft, P7, StoredNodeGuard)
- UsageMatcher::referencesAny() (ruling Q7): a global entry never names any
  entry in any spelling Divi renders (P23/P24 forms, Divi 4 shortcodes inside
  Divi 5 values, values casting to 0); used by library-save scope global and
  make-global
- make-global: entry created, node replaced by GlobalInstance::of, page through
  DiviWriter::commit; refused or rolled-back page deletes the entry, a partial
  page write keeps it (the page may show it); sources are pages and posts only

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7

tests/Unit/Integrations/Divi/DiviIntegrationTest.php

@@ -60,7 +60,13 @@ final class DiviIntegrationTest extends TestCase
         self::assertSame('Divi-Bibliothek', $library->label());
         self::assertFalse($library->isAvailable(), 'no Divi classes in unit tests');
         self::assertSame(
-            ['lit/library-list', 'lit/library-save', 'lit/library-insert', 'lit/library-find-similar'],
+            [
+                'lit/library-list',
+                'lit/library-save',
+                'lit/library-insert',
+                'lit/library-find-similar',
+                'lit/library-make-global',
+            ],
             array_map(static fn (Ability $ability): string => $ability->name(), $library->abilities())
         );
         foreach ($library->abilities() as $ability) {