Wire DetailsBackButton and FlightSchedule into OnlineBoardDetailsPage

src/features/online-board/components/OnlineBoardDetailsPage.test.tsx

@@ -264,4 +264,33 @@ describe("OnlineBoardDetailsPage", () => {
       expect(screen.getByTestId("board-details-header")).toBeTruthy();
     });
   });
+
+  describe("back button integration", () => {
+    it("renders DetailsBackButton in headerLeft", () => {
+      mockState = { flight: mockFlight, allFlights: [mockFlight], daysOfFlight: ["20260416"], loading: false, error: null };
+      render(<OnlineBoardDetailsPage flightId={mockFlightId} locale="ru" canonicalOrigin="https://example.com" />);
+      expect(screen.getByTestId("details-back-button")).toBeTruthy();
+    });
+  });
+
+  describe("flight schedule integration", () => {
+    it("renders FlightSchedule when firstLeg.daysOfWeek is present", () => {
+      const flightWithDaysOfWeek = {
+        ...mockFlight,
+        leg: {
+          ...mockFlight.leg,
+          daysOfWeek: { current: "1000010", flight: "1111111" },
+        },
+      };
+      mockState = { flight: flightWithDaysOfWeek, allFlights: [flightWithDaysOfWeek], daysOfFlight: ["20260416"], loading: false, error: null };
+      render(<OnlineBoardDetailsPage flightId={mockFlightId} locale="ru" canonicalOrigin="https://example.com" />);
+      expect(screen.getByTestId("flight-schedule")).toBeTruthy();
+    });
+
+    it("does not render FlightSchedule when daysOfWeek is absent", () => {
+      mockState = { flight: mockFlight, allFlights: [mockFlight], daysOfFlight: ["20260416"], loading: false, error: null };
+      render(<OnlineBoardDetailsPage flightId={mockFlightId} locale="ru" canonicalOrigin="https://example.com" />);
+      expect(screen.queryByTestId("flight-schedule")).toBeNull();
+    });
+  });
 });

src/features/online-board/components/OnlineBoardDetailsPage.tsx

@@ -16,7 +16,6 @@ import { FlightListSkeleton } from "@/ui/flights/FlightListSkeleton.js";
 import { SeoHead } from "@/ui/seo/SeoHead.js";
 import { JsonLdRenderer } from "@/shared/seo/json-ld.js";
 import { PageLayout } from "@/ui/layout/PageLayout.js";
-import { PageTabs } from "@/ui/layout/PageTabs.js";
 import { useAppSettings } from "@/shared/hooks/useAppSettings.js";
 import { useFlightDetails } from "../hooks/useFlightDetails.js";
 import { useLiveFlightDetails } from "../hooks/useLiveFlightDetails.js";
@@ -27,6 +26,8 @@ import { FlightDetailsAccordion } from "./details-panels/FlightDetailsAccordion.
 import { FlightsMiniList } from "./FlightsMiniList/index.js";
 import { DayTabs } from "./DayTabs/index.js";
 import { BoardDetailsHeader } from "./BoardDetailsHeader/index.js";
+import { DetailsBackButton } from "./DetailsBackButton/index.js";
+import { FlightSchedule } from "./FlightSchedule/index.js";
 import type { IParsedFlightId, IFlightLeg } from "../types.js";
 
 export interface OnlineBoardDetailsPageProps {
@@ -192,7 +193,7 @@ export const OnlineBoardDetailsPage: FC<OnlineBoardDetailsPageProps> = ({
 
   const onlineboardHref = `/${locale}/onlineboard`;
   const commonLayoutProps = {
-    headerLeft: <PageTabs viewType="onlineboard" />,
+    headerLeft: <DetailsBackButton locale={locale} />,
     breadcrumbs: [
       { label: t("BREADCRUMBS.ONLINEBOARD"), url: onlineboardHref },
     ],
@@ -237,7 +238,7 @@ export const OnlineBoardDetailsPage: FC<OnlineBoardDetailsPageProps> = ({
       <SeoHead {...seoProps} />
       <JsonLdRenderer data={jsonLd} />
       <PageLayout
-        headerLeft={<PageTabs viewType="onlineboard" />}
+        headerLeft={<DetailsBackButton locale={locale} />}
         title={<h1 className="flight-details__flight-number">{flightNumber}</h1>}
         breadcrumbs={[
           { label: t("BREADCRUMBS.ONLINEBOARD"), url: onlineboardHref },
@@ -297,6 +298,8 @@ export const OnlineBoardDetailsPage: FC<OnlineBoardDetailsPageProps> = ({
           <div className="flight-details__flying-time" data-testid="flying-time">
             Total flying time: {displayFlight.flyingTime}
           </div>
+
+          <FlightSchedule flight={displayFlight} />
         </div>
       </PageLayout>
     </>