Nomad changes

docs/snippets/php/config/element_based_output.md

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+```php title="Element-Based Output (PHP)"
+<?php
+use Kreuzberg\ExtractionConfig;
+use Kreuzberg\Kreuzberg;
+
+// Configure element-based output
+$config = new ExtractionConfig();
+$config->setOutputFormat('element_based');
+
+// Extract document
+$result = Kreuzberg::extractFileSync('document.pdf', $config);
+
+// Access elements
+foreach ($result->getElements() as $element) {
+    echo "Type: " . $element->getElementType() . "\n";
+    echo "Text: " . substr($element->getText(), 0, 100) . "\n";
+
+    if ($element->getMetadata()->getPageNumber()) {
+        echo "Page: " . $element->getMetadata()->getPageNumber() . "\n";
+    }
+
+    if ($element->getMetadata()->getCoordinates()) {
+        $coords = $element->getMetadata()->getCoordinates();
+        echo sprintf("Coords: (%s, %s) - (%s, %s)\n",
+            $coords->getLeft(), $coords->getTop(),
+            $coords->getRight(), $coords->getBottom());
+    }
+
+    echo "---\n";
+}
+
+// Filter by element type
+$titles = array_filter($result->getElements(), function($e) {
+    return $e->getElementType() === 'title';
+});
+
+foreach ($titles as $title) {
+    $level = $title->getMetadata()->getAdditional()['level'] ?? 'unknown';
+    echo "[{$level}] {$title->getText()}\n";
+}
+?>
+```