fix: gespeichertes false (Divi-Standardschrift) gilt in Theme-Optionen get/update als nicht gesetzt

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

src/Integrations/Divi/Design/DiviThemeOptionsGetAbility.php

@@ -122,7 +122,8 @@ final class DiviThemeOptionsGetAbility implements Ability, RequiresDiviFeatures
             return $keys;
         }
 
-        $book = ThemeOptionBook::fromDivi($this->options->read());
+        $stored = ThemeOptionBook::fromDivi($this->options->read());
+        $book = $stored->withoutFalse();
         $rows = [];
         foreach ($keys as $key) {
             $definition = ThemeOptionSpec::definition($key);
@@ -137,7 +138,7 @@ final class DiviThemeOptionsGetAbility implements Ability, RequiresDiviFeatures
             ] + array_intersect_key($definition, array_flip(self::RULES));
         }
 
-        return ['options' => $rows, 'design_rev' => $book->rev(), 'notes' => self::NOTES];
+        return ['options' => $rows, 'design_rev' => $stored->rev(), 'notes' => self::NOTES];
     }
 
     /** Like lit/divi-design-system: whoever edits content may read the design. */

src/Integrations/Divi/Design/DiviThemeOptionsUpdateAbility.php

@@ -123,7 +123,7 @@ final class DiviThemeOptionsUpdateAbility implements Ability, RequiresDiviFeatur
             $this->name(),
             new ThemeOptionsArea($this->options),
             $input,
-            fn (array $raw): DesignPlan|WP_Error => $this->plan(ThemeOptionBook::fromDivi($raw), $set)
+            fn (array $raw): DesignPlan|WP_Error => $this->plan(ThemeOptionBook::fromDivi($raw)->withoutFalse(), $set)
         );
     }
 

src/Integrations/Divi/Design/ThemeOptionBook.php

@@ -77,4 +77,10 @@ final class ThemeOptionBook
     {
         return self::fromDivi(array_diff_key($this->data, [$key => true]));
     }
+
+    /** Divi stores its default font as false: that is "not set" (W3), as ThemeOptionSpec::effective() sees it. */
+    public function withoutFalse(): self
+    {
+        return self::fromDivi(array_filter($this->data, static fn (mixed $value): bool => $value !== false));
+    }
 }