fix: Insert entscheidet fail closed auf den komponierten Blöcken statt auf Client-Text; Update warnt bei Wechsel der Schleifen-Art unter unveränderten Kindern (X3)

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

src/Integrations/Divi/Compose/LoopContext.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Integrations\Divi\Compose;
 
 use LIT\MCP\Integrations\Divi\BlockTree\AttrMap;
+use LIT\MCP\Integrations\Divi\BlockTree\Block;
 use LIT\MCP\Integrations\Divi\BlockTree\NodeIndex;
 
 defined('ABSPATH') || exit;
@@ -63,6 +64,42 @@ final class LoopContext
         return LoopScope::none();
     }
 
+    /**
+     * The loop_* options $block and its descendants reference in their (canonical) attrs. Opaque blocks are not
+     * entered; $stopAtLoops leaves out descendants that run a loop of their own (their content has its own scope).
+     * A reference that is no clean whole value but names a loop_ option counts as "loop_?" (fail closed).
+     *
+     * @return list<string>
+     */
+    public static function optionsIn(Block $block, bool $stopAtLoops): array
+    {
+        if ($block->isOpaque()) {
+            return [];
+        }
+
+        $names = [];
+        $attrs = $block->attrs();
+        array_walk_recursive($attrs, static function (mixed $value) use (&$names): void {
+            if (! is_string($value)) {
+                return;
+            }
+            $name = VariableRef::nameOf($value);
+            if ($name === null && VariableRef::contains($value) && str_contains($value, 'loop_')) {
+                $name = 'loop_?';
+            }
+            if ($name !== null && str_starts_with($name, 'loop_')) {
+                $names[] = $name;
+            }
+        });
+        foreach ($block->children() as $child) {
+            if (! ($stopAtLoops && self::enabled($child->attrs()))) {
+                array_push($names, ...self::optionsIn($child, $stopAtLoops));
+            }
+        }
+
+        return array_values(array_unique($names));
+    }
+
     /** The loop of the node $nodeId (path ID) or its nearest ancestor; none() for an unknown ID. */
     public static function of(NodeIndex $index, string $nodeId): LoopScope
     {