improve parsing 3

lib/services/receipt_row_builder.dart

@@ -28,13 +28,28 @@ class ReceiptRowBuilder {
   List<ReceiptRow> buildRows(OcrDocument document) {
     if (document.elements.isEmpty) return const [];
 
-    final rowClusterThreshold = _rowClusterThreshold(document.elements);
-    final clustered = _clusterByY(document.elements, rowClusterThreshold);
     final contentWidth = _contentWidth(document.elements);
     final contentLeft = _contentLeft(document.elements);
     final priceColumnStart =
         contentLeft + contentWidth * (1 - config.priceColumnWidthFraction);
 
+    // Prefer ML Kit line boundaries — element Y-clustering merges adjacent lines.
+    if (document.lines.isNotEmpty) {
+      return [
+        for (final line in document.lines)
+          _classifyRow(
+            line.elements,
+            priceColumnStart: priceColumnStart,
+            imageWidth: document.imageWidth,
+            imageHeight: document.imageHeight,
+            rowText: line.text,
+          ),
+      ];
+    }
+
+    final rowClusterThreshold = _rowClusterThreshold(document.elements);
+    final clustered = _clusterByY(document.elements, rowClusterThreshold);
+
     return [
       for (final rowElements in clustered)
         _classifyRow(
@@ -116,8 +131,9 @@ class ReceiptRowBuilder {
     required double priceColumnStart,
     required double imageWidth,
     required double imageHeight,
+    String? rowText,
   }) {
-    final text = rowElements.map((e) => e.text).join(' ').trim();
+    final text = rowText ?? rowElements.map((e) => e.text).join(' ').trim();
     final normalized = _preprocess(text);
     final bounds = _rowBounds(rowElements, imageWidth, imageHeight);