refactor: DiviSaver docblocks, one diviWritable field, REASON_CREATE with the constants (M-4, M-5, M-13)

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

src/Integrations/Divi/DiviIntegration.php

@@ -57,7 +57,7 @@ final class DiviIntegration implements Integration
      * @param (Closure(): bool)|null $libraryVisible Tools-tab gate for library entries at all (group
      *        "Divi-Bibliothek" not disabled, ruling P9); null = always.
      * @param (Closure(): bool)|null $diviWritable Whether lit/divi-insert is enabled – lit/divi-node-copy
-     *        follows it (ruling P9, E9); null = always.
+     *        and lit-library-insert follow it (ruling P9, E9, audit M2); null = always.
      * @param (Closure(): bool)|null $libraryInsertable Whether lit/library-insert is enabled –
      *        lit/divi-node-copy follows it for library entries as source (audit L5); null = always.
      */
@@ -128,10 +128,10 @@ final class DiviIntegration implements Integration
     }
 
     /**
-     * The group "Divi-Bibliothek" (lit/library-*), sharing this integration's library access;
-     * $diviWritable is whether lit/divi-insert is enabled (lit-library-insert follows it, audit M2).
+     * The group "Divi-Bibliothek" (lit/library-*), sharing this integration's library access and its
+     * $diviWritable gate (lit-library-insert follows lit/divi-insert, audit M2).
      */
-    public function library(?Closure $diviWritable = null): LibraryIntegration
+    public function library(): LibraryIntegration
     {
         $loader = $this->loader();
 
@@ -143,7 +143,7 @@ final class DiviIntegration implements Integration
             new DiviSaver(),
             $this->log,
             $this->modules,
-            $diviWritable
+            $this->diviWritable
         );
     }
 

src/Integrations/Divi/Library/DiviLibraryStore.php

@@ -34,6 +34,9 @@ class DiviLibraryStore
     /** Taxonomies every new entry needs (et_pb_submit_layout). */
     public const TAXONOMIES = ['scope', 'layout_type', 'module_width'];
 
+    /** Client text when the terms or meta of a new entry could not be written. */
+    public const REASON_CREATE = 'Der Bibliothekseintrag konnte nicht vollständig angelegt werden.';
+
     public function isGlobal(int $id): bool
     {
         if (method_exists(self::GLOBAL_LAYOUT, 'is_global_layout_template')) {
@@ -138,9 +141,6 @@ class DiviLibraryStore
         ];
     }
 
-    /** Client text when the terms or meta of a new entry could not be written. */
-    public const REASON_CREATE = 'Der Bibliothekseintrag konnte nicht vollständig angelegt werden.';
-
     /**
      * A published entry with the terms and meta of $spec and empty content (E4; the layout follows
      * through DiviSaver::saveNew()). All or nothing through $draft (ruling P6, the transaction of

src/Integrations/Divi/Pages/DiviSaver.php

@@ -40,18 +40,19 @@ defined('ABSPATH') || exit;
  * those hooks except the content itself (already cleaned); anything a third-party hook writes
  * there is saved without kses, as it would be for an administrator. The rollback write in
  * restore() uses the same window with the previous stored content; saveNew() (the first layout
- * of a new draft, lit/content-create) uses it for its single wp_update_post().
+ * of a new post – a draft of lit/content-create or a library entry of lit/library-save) uses it
+ * for its single wp_update_post().
  *
  * Divi's own save filters are NOT kses and are never removed (ruling S7, defense in depth):
  * Security::initialize() (Divi 5.2.1 Security.php:74-81) registers on wp_insert_post_data
  * AttributeSecurity (priority 5, always), HtmlSecurity (priority 6, by capability) and
- * DynamicContentFixes (priority 10: strips enable_html for users without unfiltered_html). The first two re-serialize
- * the whole page when it holds custom attributes or htmlBefore/htmlAfter/elementType, so on such
+ * DynamicContentFixes (priority 10: strips enable_html for users without unfiltered_html). The first
+ * two re-serialize the whole page when it holds custom attributes or htmlBefore/htmlAfter/elementType, so on such
  * pages the bytes change for every user – reported as CHANGED_ON_SAVE. Finding R2 / rulings
  * S5, S7: docs/superpowers/notes/2026-09-26-etappe-2-entscheidungen.md.
  *
- * SaveScope: Bibliothekseinträge bekommen keine Divi-Flags; ein globaler Eintrag leert zusätzlich den CSS-Cache
- * aller Seiten und den Theme-Builder-Cache.
+ * SaveScope: library entries get no Divi flags; a global (or referenced) entry additionally clears
+ * the static CSS of every page and the Theme Builder cache.
  *
  * If saving throws, the previous content is written back (WriteFailed: rolled back or not).
  * Not final so abilities can be tested with a mock.
@@ -131,12 +132,13 @@ class DiviSaver
     }
 
     /**
-     * The first content of a brand-new draft (lit/content-create with divi, which inserted the
-     * draft with its normal WordPress fields – title and excerpt went through kses as usual).
-     * Same kses window as save(), holding only this wp_update_post() and its hooks; no restore
-     * point (the draft has no earlier state) and no static CSS to clear. The Divi flags are part
-     * of the write here: without them the new entry is no Divi layout. Every failure throws –
-     * the caller deletes the draft (all or nothing).
+     * The first content of a brand-new post: a draft of lit/content-create with divi or a library
+     * entry of lit/library-save, both inserted with their normal WordPress fields first (title and
+     * excerpt went through kses as usual). Same kses window as save(), holding only this
+     * wp_update_post() and its hooks; no restore point (the post has no earlier state) and no
+     * static CSS to clear. With SaveScope::Page the Divi flags are part of the write (without them
+     * a new page is no Divi layout); SaveScope::LibraryItem sets none. Every failure throws – the
+     * caller deletes the new post (all or nothing).
      *
      * @return list<string> Warnings (CHANGED_ON_SAVE).
      * @throws RuntimeException

src/Plugin.php

@@ -108,7 +108,7 @@ final class Plugin
             new WordPressIntegration($schema, $changeLog, $divi->contentComposer($diviWritable)),
             new MediaIntegration($schema, $changeLog, $limits),
             $divi,
-            $divi->library($diviWritable)
+            $divi->library()
         );
 
         $policy = ExposurePolicy::fromOption()->withGroups($registry->groupMap(...));