fix: anchor Divi name/id patterns at string end, number-advanced stays unknown, doc wording

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

src/Integrations/Divi/Schema/AttrPathIndex.php

@@ -69,7 +69,10 @@ final class AttrPathIndex
      * type still tells them apart reliably. Only used for composite (subName-bearing)
      * candidates; a plain path keeps trusting its field component alone (COMPONENT_KINDS),
      * so an already more specific kind there (richtext, code, …) is never downgraded to the
-     * generic "text" dynamicContent commonly names for both.
+     * generic "text" dynamicContent commonly names for both. number-advanced (e.g. border
+     * radius) holds an object of corner values and therefore stays unknown. A path that has
+     * both a plain field and named sub-fields keeps only the sub-field map (the plain field
+     * then counts as unknown).
      */
     private const DYNAMIC_CONTENT_KINDS = [
         'text' => 'text',
@@ -77,7 +80,6 @@ final class AttrPathIndex
         'image' => 'image',
         'color' => 'color',
         'number' => 'number',
-        'number-advanced' => 'number',
     ];
 
     private const ATTR_NAME_PATTERN = '/^[A-Za-z0-9]+(\.[A-Za-z0-9]+)+$/';