fix: a nested row gets its own auto label (ledger T3)

A row inside a column is labelled "<Abschnitt> – Zeile (innen)" instead of
repeating its outer row's "<Abschnitt> – Zeile". Guide updated.

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

docs/guides/divi-shortform.md

@@ -29,8 +29,8 @@ Neue Divi-Inhalte beschreibt man als JSON-Knoten. `lit-divi-insert` (in `nodes`)
   Spalte eine Liste (bei einer Spalte reicht eine einfache Liste).
 - **Module** mit Kind-Modulen (Akkordeon, Tabs, Slider, Kontaktformular, Karte, Social-Media-Follow,
   Icon-Liste) bekommen ihre Einträge in `items`; der Eintragstyp ergibt sich von selbst.
-- `label` fehlt → Admin-Label „<Abschnitt> – <Modul>“, z. B. „Hero – Button“. Abschnitten deshalb ein Label
+- `label` fehlt → Admin-Label „<Abschnitt> – <Modul>“, z. B. „Hero – Button“; Zeilen „Hero – Zeile“, eine Zeile
-  geben.
+  in einer Spalte „Hero – Zeile (innen)“. Abschnitten deshalb ein Label geben.
 - `heading` ohne `level` wird `h2` (eine Seite hat meist schon eine `h1` im Titel).
 
 ## Kurzform-Felder

src/Integrations/Divi/Compose/Composer.php

@@ -263,7 +263,7 @@ final class Composer
 
         return match ($type) {
             'divi/section' => $this->section($spec, $path),
-            'divi/row' => $this->row($spec, $path, $context),
+            'divi/row' => $this->row($spec, $path, $context, $parent !== null && $parent->name() !== 'divi/section'),
             default => $this->module($type, $spec, $path, $context),
         };
     }
@@ -330,8 +330,11 @@ final class Composer
         return $section;
     }
 
-    /** @param array<array-key, mixed> $spec */
+    /**
-    private function row(array $spec, string $path, string $context): Block
+     * @param array<array-key, mixed> $spec
+     * @param bool                    $nested In a column (Divi 5 rows nest): own auto label (ledger T3).
+     */
+    private function row(array $spec, string $path, string $context, bool $nested): Block
     {
         $this->unknownKeys($spec, array_merge(self::COMMON, self::ROW), $path);
         $parsed = ColumnWidths::parse($spec['columns'] ?? '4_4');
@@ -339,7 +342,7 @@ final class Composer
             $this->errors[$path . '.columns'] = $parsed['error'];
         }
         $widths = $parsed['widths'];
-        $label = $context === '' ? null : $context . ' – Zeile';
+        $label = $context === '' ? null : $context . ($nested ? ' – Zeile (innen)' : ' – Zeile');
         $attrs = $this->common('divi/row', ['builderVersion' => $this->builderVersion], $spec, $path, $label);
         $row = Block::create('divi/row', $attrs);
 

tests/Unit/Integrations/Divi/Compose/ComposerTest.php

@@ -488,6 +488,29 @@ final class ComposerTest extends TestCase
         self::assertSame('divi/text', $nested->children()[0]->children()[0]->name());
     }
 
+    /** Ledger T3: a nested row's auto label differs from its outer row's label. */
+    public function testNestedRowGetsItsOwnAutoLabel(): void
+    {
+        $label = static fn (Block $block): mixed => $block->attrs()['module']['meta']['adminLabel']['desktop']['value'] ?? null;
+        $result = ComposeFixture::composer()->compose([['type' => 'section', 'label' => 'Hero', 'rows' => [[
+            'columns' => '1_2,1_2',
+            'modules' => [[['type' => 'row', 'modules' => [['type' => 'text', 'content' => '<p>a</p>']]]], []],
+        ]]]], null, 'nodes');
+
+        self::assertSame([], $result['errors']);
+        $outer = $result['blocks'][0]->children()[0];
+        $nested = $outer->children()[0]->children()[0];
+        self::assertSame('Hero – Zeile', $label($outer));
+        self::assertSame('Hero – Zeile (innen)', $label($nested));
+        self::assertSame('Hero – Text', $label($nested->children()[0]->children()[0]));
+
+        // Inserted straight into an existing column (lit-divi-insert parent = column): nested as well.
+        $inserted = ComposeFixture::composer()->compose([['type' => 'row']], Block::create('divi/column'), 'nodes', 'Hero');
+        self::assertSame('Hero – Zeile (innen)', $label($inserted['blocks'][0]));
+        $intoSection = ComposeFixture::composer()->compose([['type' => 'row']], Block::create('divi/section'), 'nodes', 'Hero');
+        self::assertSame('Hero – Zeile', $label($intoSection['blocks'][0]));
+    }
+
     public function testRejectsNonObjectsAndMissingTypes(): void
     {
         $result = ComposeFixture::composer()->compose(['section', [], ['label' => 'x']], null, 'nodes');