Nomad changes

docs/snippets/kotlin/config/element_based_output.md

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+```kotlin title="Kotlin"
+import dev.kreuzberg.*
+import java.nio.file.Paths
+import java.util.Optional
+
+fun main() {
+    // Configure element-based output (resultFormat controls Unified vs ElementBased)
+    val config = ExtractionConfig.builder()
+        .withResultFormat(ResultFormat.ElementBased)
+        .build()
+
+    val result = Kreuzberg.extractFileSync(Paths.get("document.pdf"), null, config)
+
+    val elements = result.elements().orEmpty()
+    for (element in elements) {
+        println("Type: ${element.elementType()}")
+        val text = element.text()
+        println("Text: ${text.take(100)}")
+
+        element.metadata().pageNumber()?.let { page ->
+            println("Page: $page")
+        }
+        println("---")
+    }
+
+    // Filter by element type
+    val titles = elements.filter { it.elementType() == ElementType.Title }
+    for (title in titles) {
+        println("Title: ${title.text()}")
+    }
+}
+```