accrual: More detailed text for "total aged" lines in aging report.

Per bkuhn's request.

conservancy_beancount/reports/accrual.py

@@ -400,9 +400,11 @@ class AgingODS(core.BaseODS[AccrualPostings, Optional[data.Account]]):
     def end_section(self, key: Optional[data.Account]) -> None:
         if key is None:
             return
-        self.add_row()
+        total_balance = core.MutableBalance()
         text_style = self.merge_styles(self.style_bold, self.style_endtext)
         text_span = self.COL_COUNT - 1
+        last_age_text: Optional[str] = None
+        self.add_row()
         for threshold, balance in zip(self.age_thresholds, self.age_balances):
             years, days = divmod(threshold, 365)
             years_text = f"{years} {'Year' if years == 1 else 'Years'}"
@@ -413,15 +415,30 @@ class AgingODS(core.BaseODS[AccrualPostings, Optional[data.Account]]):
                 age_text = years_text
             else:
                 age_text = days_text
+            if last_age_text is None:
+                age_range = f"Over {age_text}"
+            else:
+                age_range = f"{age_text}–{last_age_text}"
             self.add_row(
                 self.string_cell(
-                    f"Total Aged Over {age_text}: ",
+                    f"Total Aged {age_range}: ",
                     stylename=text_style,
                     numbercolumnsspanned=text_span,
                 ),
                 *(odf.table.TableCell() for _ in range(1, text_span)),
                 self.balance_cell(balance),
             )
+            last_age_text = age_text
+            total_balance += balance
+        self.add_row(
+            self.string_cell(
+                "Total Unpaid: ",
+                stylename=text_style,
+                numbercolumnsspanned=text_span,
+            ),
+            *(odf.table.TableCell() for _ in range(1, text_span)),
+            self.balance_cell(total_balance),
+        )
 
     def _link_seq(self, row: AccrualPostings, key: MetaKey) -> Iterator[Tuple[str, str]]:
         for href in row.all_meta_links(key):

tests/test_reports_accrual.py

@@ -182,13 +182,13 @@ def check_aging_sheet(sheet, aging_rows, date, accrue_date):
     for actual, expected in zip(rows, expect_rows):
         expected.check_row_match(actual)
     for row in rows:
-        if row.text.startswith("Total Aged Over "):
+        if row.text.startswith("Total Aged "):
             break
     else:
         assert None, "Totals rows not found"
     actual_sum = Decimal(row.childNodes[-1].value)
     for row in rows:
-        if row.text.startswith("Total Aged Over "):
+        if row.text.startswith("Total Aged "):
             actual_sum += Decimal(row.childNodes[-1].value)
         else:
             break