test: follow the qol sweep in the e2e schemas and the assertions it changed

The hand-written e2e schemas gain the new columns and place_regions, and the
unit assertions take the new arguments and fields. The Public API page names
GET /api/auth/app-config for the running version.

client/src/components/Planner/DayDetailPanel.test.tsx

@@ -1917,8 +1917,9 @@ describe('DayDetailPanel time format', () => {
     );
     render(<DayDetailPanel {...defaultProps} />);
 
+    // The arrival day shows only the check-in; the check-out belongs to the last day (#2393).
     expect(await screen.findByText('15:00')).toBeInTheDocument();
-    expect(screen.getByText('11:00')).toBeInTheDocument();
+    expect(screen.queryByText('11:00')).not.toBeInTheDocument();
   });
 });
 

client/src/components/Planner/LocationSelect.test.tsx

@@ -99,7 +99,8 @@ describe('LocationSelect', () => {
     await screen.findByText('Gare du Nord');
 
     expect(body.query).toBe('Gare du Nord');
-    expect(lang).toBe('en-US');
+    // The place name language, which follows the app's language when none is picked (#1799).
+    expect(lang).toBe('en');
   });
 
   it('FE-PLANNER-LOCSEL-008: a hit whose address equals its name shows no duplicate subtitle', async () => {

client/src/components/Vacay/VacayCalendar.test.tsx

@@ -369,7 +369,7 @@ describe('VacayCalendar', () => {
     // Now click a month card cell
     await user.click(screen.getByText('click-0'))
 
-    expect(toggleCompanyHoliday).toHaveBeenCalledWith('2025-01-01')
+    expect(toggleCompanyHoliday.mock.calls[0][0]).toBe('2025-01-01')
     expect(toggleEntry).not.toHaveBeenCalled()
   })