improve parsing 3

receipt-parsing-keywords.json

@@ -185,8 +185,8 @@
   },
 
   "spatial_parsing": {
-    "_comment": "Bounding-box pipeline settings. row_cluster_height_factor multiplies median element height when grouping rows. price_column_width_fraction is the right-hand slice of receipt content width treated as the price column.",
-    "row_cluster_height_factor": 1.2,
+    "_comment": "Bounding-box pipeline settings. row_cluster_height_factor multiplies median element height when grouping elements into rows (only used when ML Kit lines are unavailable — keep below 0.6 so adjacent receipt lines stay separate). price_column_width_fraction is the right-hand slice of receipt content width treated as the price column.",
+    "row_cluster_height_factor": 0.55,
     "price_column_width_fraction": 0.25
   }
 }