feat: implement app content readiness handling in page and components

- Added `appContentReady` state to manage visibility of app content once loading is complete.
- Updated `useEffect` hooks in `CurrentDutyView` and `CalendarPage` to signal when content is ready, enhancing user experience by hiding native loading indicators.
- Refactored `Home` component to conditionally render content based on `appContentReady`, ensuring a smoother transition for users.
- Enhanced app store to include `setAppContentReady` method for state management.

webapp-next/src/components/CalendarPage.tsx

@@ -16,7 +16,6 @@ import { CalendarHeader } from "@/components/calendar/CalendarHeader";
 import { CalendarGrid } from "@/components/calendar/CalendarGrid";
 import { DutyList } from "@/components/duty/DutyList";
 import { DayDetail, type DayDetailHandle } from "@/components/day-detail";
-import { callMiniAppReadyOnce } from "@/lib/telegram-ready";
 import { ErrorState } from "@/components/states/ErrorState";
 import { AccessDenied } from "@/components/states/AccessDenied";
 
@@ -60,6 +59,7 @@ export function CalendarPage({ isAllowed, initDataRaw }: CalendarPageProps) {
     prevMonth,
     setCurrentMonth,
     setSelectedDay,
+    setAppContentReady,
   } = useAppStore(
     useShallow((s) => ({
       currentMonth: s.currentMonth,
@@ -75,6 +75,7 @@ export function CalendarPage({ isAllowed, initDataRaw }: CalendarPageProps) {
       prevMonth: s.prevMonth,
       setCurrentMonth: s.setCurrentMonth,
       setSelectedDay: s.setSelectedDay,
+      setAppContentReady: s.setAppContentReady,
     }))
   );
 
@@ -126,13 +127,13 @@ export function CalendarPage({ isAllowed, initDataRaw }: CalendarPageProps) {
   }, [setSelectedDay]);
 
   const readyCalledRef = useRef(false);
-  // Signal Telegram to hide loading when the first load finishes (loading goes true -> false).
+  // Mark content ready when first load finishes or access denied, so page can call ready() and show content.
   useEffect(() => {
-    if (!loading && !readyCalledRef.current) {
+    if ((!loading || accessDenied) && !readyCalledRef.current) {
       readyCalledRef.current = true;
-      callMiniAppReadyOnce();
+      setAppContentReady(true);
     }
-  }, [loading]);
+  }, [loading, accessDenied, setAppContentReady]);
 
   return (
     <div className="mx-auto flex min-h-screen w-full max-w-[var(--max-width-app)] flex-col bg-background px-3 pb-6 pt-safe">