sort csv results by column instead of by rule output variables

cdisc_rules_engine/services/reporting/base_report_data.py

@@ -56,10 +56,16 @@ def process_values(
                 processed_values.append(value)
         return processed_values
 
-    @abstractmethod
     def get_csv_rows(self) -> tuple[list[str], list[list[str]]]:
         """
-        Return (header, rows) for the CSV output format.
+        Return (header, sorted_rows) for the CSV output format.
         Each row is a list of string values matching the header columns.
+        Sorting is applied lexicographically by full column order.
         """
+        header, rows = self._get_csv_rows()
+        return header, sorted(rows, key=lambda row: tuple(row))
+
+    @abstractmethod
+    def _get_csv_rows(self) -> tuple[list[str], list[list[str]]]:
+        """Return (header, rows) before base-class sorting is applied."""
         pass

cdisc_rules_engine/services/reporting/sdtm_report_data.py

@@ -347,7 +347,7 @@ def _generate_error_details(
             )
         return errors
 
-    def get_csv_rows(self) -> tuple[list[str], list[list[str]]]:
+    def _get_csv_rows(self) -> tuple[list[str], list[list[str]]]:
         header = ["Dataset", "Record", "Variable", "Value"]
         rows = []
         for issue in self.data_sheets.get("Issue Details", []):

cdisc_rules_engine/services/reporting/usdm_report_data.py

@@ -245,7 +245,7 @@ def _generate_error_details(
             )
         return errors
 
-    def get_csv_rows(self) -> tuple[list[str], list[list[str]]]:
+    def _get_csv_rows(self) -> tuple[list[str], list[list[str]]]:
         header = ["path", "attribute", "value"]
         rows = []
         for issue in self.data_sheets.get("Issue Details", []):