fix low count of items scanned

lib/services/receipt_parser.dart

@@ -136,12 +136,21 @@ class ReceiptParser {
       } else {
         run = 0;
         if (_parseQty(stripped, config) == null &&
-            !_isIgnorable(stripped, config)) {
+            !_isIgnorable(stripped, config) &&
+            !config.matchesAny(stripped, [
+              ...config.grandTotalKeywords,
+              ...config.subtotalKeywords,
+              ...config.taxInclusiveTotalKeywords,
+              ...config.totalDiscountKeywords,
+            ]) &&
+            _trailingPrice(stripped, config) == null) {
           names++;
         }
       }
     }
-    return maxRun >= 4 && prices >= 4 && names >= 4;
+    if (maxRun >= 4 && prices >= 4 && names >= 4) return true;
+    // ML Kit sometimes splits a short receipt into names, then prices (2–3 items).
+    return maxRun >= 2 && prices >= 2 && names >= prices && maxRun >= prices;
   }
 
   static ReceiptParseResult _parseSequential(
@@ -235,11 +244,17 @@ class ReceiptParser {
           }
         case _Kind.priceOnly:
           final amount = classified.amount!;
-          if (amount < 0 && pending != null) {
-            pending!.discount += amount;
-            pending!.lineTotal = roundMoney(
-              (pending!.lineTotal ?? pending!.unitPrice ?? 0) + amount,
-            );
+          if (pending != null) {
+            if (amount < 0) {
+              pending!.discount += amount;
+              pending!.lineTotal = roundMoney(
+                (pending!.lineTotal ?? pending!.unitPrice ?? 0) + amount,
+              );
+            } else if (pending!.lineTotal == null &&
+                pending!.unitPrice == null) {
+              pending!.lineTotal = amount;
+              flush();
+            }
           }
       }
     }
@@ -307,19 +322,23 @@ class ReceiptParser {
     }
 
     final count = names.length < prices.length ? names.length : prices.length;
+    final pairedNames = names.length > count
+        ? names.sublist(names.length - count)
+        : names;
+    final nameOffset = names.length - pairedNames.length;
     final items = <LineItem>[
       for (var i = 0; i < count; i++)
         LineItem(
           id: _id(),
-          name: names[i].name,
+          name: pairedNames[i].name,
           price: prices[i],
-          quantity: names[i].quantity,
-          unitPrice: names[i].unitPrice,
+          quantity: pairedNames[i].quantity,
+          unitPrice: pairedNames[i].unitPrice,
         ),
     ];
 
     for (var i = 0; i < discountSlots.length && i < discounts.length; i++) {
-      final index = discountSlots[i];
+      final index = discountSlots[i] - nameOffset;
       if (index < 0 || index >= items.length) continue;
       final item = items[index];
       final discount = discounts[i];