Polish navigation, Quran flows, and sharing UX

lib/app/app.dart

@@ -1,16 +1,80 @@
+import 'dart:async';
+import 'dart:ui' show ViewFocusEvent, ViewFocusState;
+
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import '../core/providers/theme_provider.dart';
+import '../features/dashboard/data/prayer_times_provider.dart';
 import 'router.dart';
 import 'theme/app_theme.dart';
 
 /// Root MaterialApp.router wired to GoRouter + ThemeMode from Riverpod.
-class App extends ConsumerWidget {
+class App extends ConsumerStatefulWidget {
   const App({super.key});
 
   @override
-  Widget build(BuildContext context, WidgetRef ref) {
+  ConsumerState<App> createState() => _AppState();
+}
+
+class _AppState extends ConsumerState<App> with WidgetsBindingObserver {
+  Timer? _midnightResyncTimer;
+
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addObserver(this);
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      HardwareKeyboard.instance.syncKeyboardState();
+    });
+    _scheduleMidnightResync();
+  }
+
+  @override
+  void dispose() {
+    _midnightResyncTimer?.cancel();
+    WidgetsBinding.instance.removeObserver(this);
+    super.dispose();
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (state == AppLifecycleState.resumed ||
+        state == AppLifecycleState.inactive) {
+      // Resync stale pressed-key state to avoid repeated KeyDown assertions.
+      HardwareKeyboard.instance.syncKeyboardState();
+    }
+    if (state == AppLifecycleState.resumed) {
+      ref.invalidate(prayerTimesProvider);
+      unawaited(ref.read(prayerTimesProvider.future));
+      _scheduleMidnightResync();
+    }
+  }
+
+  @override
+  void didChangeViewFocus(ViewFocusEvent event) {
+    if (event.state == ViewFocusState.focused) {
+      HardwareKeyboard.instance.syncKeyboardState();
+    }
+  }
+
+  void _scheduleMidnightResync() {
+    _midnightResyncTimer?.cancel();
+    final now = DateTime.now();
+    final nextRun = DateTime(now.year, now.month, now.day, 0, 5).isAfter(now)
+        ? DateTime(now.year, now.month, now.day, 0, 5)
+        : DateTime(now.year, now.month, now.day + 1, 0, 5);
+    final delay = nextRun.difference(now);
+    _midnightResyncTimer = Timer(delay, () {
+      ref.invalidate(prayerTimesProvider);
+      unawaited(ref.read(prayerTimesProvider.future));
+      _scheduleMidnightResync();
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
     final themeMode = ref.watch(themeProvider);
 
     return MaterialApp.router(