feat: Add map navigation, enhance FCM deep linking, localize Google Places API, and refine activity display.

lib/components/home/calendar/calendar_page.dart

@@ -20,7 +20,7 @@ class CalendarPage extends StatefulWidget {
 class _CalendarPageState extends State<CalendarPage> {
   late DateTime _focusedDay;
   DateTime? _selectedDay;
-  CalendarFormat _calendarFormat = CalendarFormat.week;
+  final CalendarFormat _calendarFormat = CalendarFormat.week;
 
   @override
   void initState() {
@@ -387,20 +387,25 @@ class _CalendarPageState extends State<CalendarPage> {
     // Simple mapping based on category name
     // You might want to use the enum if possible, but category is String in Activity model
     if (category.toLowerCase().contains('musée') ||
-        category.toLowerCase().contains('museum'))
+        category.toLowerCase().contains('museum')) {
       return Colors.blue;
+    }
     if (category.toLowerCase().contains('restaurant') ||
-        category.toLowerCase().contains('food'))
+        category.toLowerCase().contains('food')) {
       return Colors.orange;
+    }
     if (category.toLowerCase().contains('nature') ||
-        category.toLowerCase().contains('park'))
+        category.toLowerCase().contains('park')) {
       return Colors.green;
+    }
     if (category.toLowerCase().contains('photo') ||
-        category.toLowerCase().contains('attraction'))
+        category.toLowerCase().contains('attraction')) {
       return Colors.purple;
+    }
     if (category.toLowerCase().contains('détente') ||
-        category.toLowerCase().contains('relax'))
+        category.toLowerCase().contains('relax')) {
       return Colors.pink;
+    }
     return Colors.teal;
   }
 
@@ -409,8 +414,9 @@ class _CalendarPageState extends State<CalendarPage> {
     if (category.toLowerCase().contains('restaurant')) return Icons.restaurant;
     if (category.toLowerCase().contains('nature')) return Icons.nature;
     if (category.toLowerCase().contains('photo')) return Icons.camera_alt;
-    if (category.toLowerCase().contains('détente'))
+    if (category.toLowerCase().contains('détente')) {
       return Icons.icecream; // Gelato icon :)
+    }
     return Icons.place;
   }
 }