Improve arg parsing

crates/pile-value/src/extract/item/mod.rs

@@ -80,8 +80,12 @@ impl ItemExtractor {
 
 #[async_trait::async_trait]
 impl ObjectExtractor for ItemExtractor {
-	async fn field(&self, name: &pile_config::Label) -> Result<Option<PileValue>, std::io::Error> {
-		self.inner.field(name).await
+	async fn field(
+		&self,
+		name: &pile_config::Label,
+		args: Option<&str>,
+	) -> Result<Option<PileValue>, std::io::Error> {
+		self.inner.field(name, args).await
 	}
 
 	#[expect(clippy::unwrap_used)]