improve parsing 3

test/receipt_spatial_parser_test.dart

@@ -6,8 +6,6 @@ import 'package:groci/services/receipt_row_builder.dart';
 import 'package:groci/services/receipt_spatial_parser.dart';
 
 /// Synthetic two-column receipt layout (800×1200 image).
-///
-/// Y increases downward; name column ~left 40–420, price column ~right 620–760.
 const _imageWidth = 800.0;
 const _imageHeight = 1200.0;
 const _nameLeft = 40.0;
@@ -28,12 +26,39 @@ OcrElement _word(String text, double row, {bool price = false}) {
   );
 }
 
-OcrDocument _document(List<OcrElement> elements, {String? flattened}) {
+OcrLine _line(List<OcrElement> elements) {
+  var left = double.infinity;
+  var top = double.infinity;
+  var right = 0.0;
+  var bottom = 0.0;
+  for (final e in elements) {
+    if (e.left < left) left = e.left;
+    if (e.top < top) top = e.top;
+    if (e.right > right) right = e.right;
+    if (e.bottom > bottom) bottom = e.bottom;
+  }
+  return OcrLine(
+    text: elements.map((e) => e.text).join(' '),
+    elements: elements,
+    left: left,
+    top: top,
+    right: right,
+    bottom: bottom,
+  );
+}
+
+OcrDocument _document(
+  List<List<OcrElement>> rows, {
+  String? flattened,
+}) {
+  final elements = [for (final row in rows) ...row];
+  final lines = [for (final row in rows) _line(row)];
   return OcrDocument(
     elements: elements,
+    lines: lines,
     imageWidth: _imageWidth,
     imageHeight: _imageHeight,
-    flattenedText: flattened ?? elements.map((e) => e.text).join('\n'),
+    flattenedText: flattened ?? lines.map((l) => l.text).join('\n'),
   );
 }
 
@@ -46,8 +71,7 @@ void main() {
     test('clusters name and price on the same row by Y position', () {
       final rows = ReceiptRowBuilder(receiptParseConfig).buildRows(
         _document([
-          _word('MILK', 0),
-          _word('1,50', 0, price: true),
+          [_word('MILK', 0), _word('1,50', 0, price: true)],
         ]),
       );
 
@@ -60,9 +84,7 @@ void main() {
     test('classifies pure quantity row before item logic', () {
       final rows = ReceiptRowBuilder(receiptParseConfig).buildRows(
         _document([
-          _word('2', 0),
-          _word('X', 0),
-          _word('2,99', 0, price: true),
+          [_word('2', 1), _word('X', 1), _word('2,99', 1, price: true)],
         ], flattened: '2 X 2,99'),
       );
 
@@ -74,24 +96,36 @@ void main() {
 
     test('treats row without price-column token as name-only', () {
       final rows = ReceiptRowBuilder(receiptParseConfig).buildRows(
-        _document([_word('BROCCOLI', 0)]),
+        _document([
+          [_word('BROCCOLI', 0)],
+        ]),
       );
 
       expect(rows.single.kind.name, 'nameOnly');
       expect(rows.single.nameText, 'BROCCOLI');
     });
+
+    test('does not merge adjacent ML Kit lines into one row', () {
+      final rows = ReceiptRowBuilder(receiptParseConfig).buildRows(
+        _document([
+          [_word('BIO', 0), _word('VASTKOKEND', 0), _word('AARD', 0)],
+          [_word('2', 1), _word('X', 1), _word('1,99', 1, price: true)],
+        ]),
+      );
+
+      expect(rows, hasLength(2));
+      expect(rows[0].nameText, contains('BIO'));
+      expect(rows[1].kind.name, 'quantityModifier');
+    });
   });
 
   group('ReceiptSpatialParser lookahead', () {
     test('merges Jumbo-style name row with following quantity modifier', () {
       final result = ReceiptSpatialParser.parse(
         _document([
-          _word('AARDBEIEN', 0),
-          _word('2', 1),
-          _word('X', 1),
-          _word('3,99', 1, price: true),
-          _word('Totaal', 2),
-          _word('7,98', 2, price: true),
+          [_word('AARDBEIEN', 0)],
+          [_word('2', 1), _word('X', 1), _word('3,99', 1, price: true)],
+          [_word('Totaal', 2), _word('7,98', 2, price: true)],
         ]),
       );
 
@@ -106,12 +140,8 @@ void main() {
     test('overrides inline price when quantity modifier follows (Kruidvat)', () {
       final result = ReceiptSpatialParser.parse(
         _document([
-          _word('ZEEPTABLET', 0),
-          _word('NEUTRAL', 0),
-          _word('7,98', 0, price: true),
-          _word('2', 1),
-          _word('X', 1),
-          _word('3,99', 1, price: true),
+          [_word('ZEEPTABLET', 0), _word('NEUTRAL', 0), _word('7,98', 0, price: true)],
+          [_word('2', 1), _word('X', 1), _word('3,99', 1, price: true)],
         ]),
       );
 
@@ -124,9 +154,8 @@ void main() {
     test('flags name-only row without following modifier for manual review', () {
       final result = ReceiptSpatialParser.parse(
         _document([
-          _word('MILK', 0),
-          _word('BREAD', 1),
-          _word('2,00', 1, price: true),
+          [_word('MILK', 0)],
+          [_word('BREAD', 1), _word('2,00', 1, price: true)],
         ]),
       );
 
@@ -140,12 +169,9 @@ void main() {
     test('parses two side-by-side items without cross-assigning prices', () {
       final result = ReceiptSpatialParser.parse(
         _document([
-          _word('MILK', 0),
-          _word('1,50', 0, price: true),
-          _word('BREAD', 1),
-          _word('2,00', 1, price: true),
-          _word('Totaal', 2),
-          _word('3,50', 2, price: true),
+          [_word('MILK', 0), _word('1,50', 0, price: true)],
+          [_word('BREAD', 1), _word('2,00', 1, price: true)],
+          [_word('Totaal', 2), _word('3,50', 2, price: true)],
         ]),
       );
 
@@ -157,11 +183,8 @@ void main() {
     test('fails validation when printed item count does not match', () {
       final result = ReceiptSpatialParser.parse(
         _document([
-          _word('MILK', 0),
-          _word('1,50', 0, price: true),
-          _word('Aantal', 1),
-          _word('Artikel:', 1),
-          _word('3', 1, price: true),
+          [_word('MILK', 0), _word('1,50', 0, price: true)],
+          [_word('Aantal Artikel: 3', 1)],
         ]),
       );