feat: updated container management system with core models, providers, and UI pages

em2rp/lib/views/widgets/calendar_widgets/month_view.dart

@@ -36,12 +36,15 @@ class MonthView extends StatelessWidget {
     return LayoutBuilder(
       builder: (context, constraints) {
         final rowCount = _computeRowCount(focusedDay);
+        // TableCalendar has internal vertical padding and margins (approx 16px) that cause overflow
+        // if not accounted for. We subtract an extra 16.0 pixels to be safe.
         final availableHeight = constraints.maxHeight -
             (_calendarPadding * 2) -
             _headerHeight -
             _headerVerticalPadding -
-            _daysOfWeekHeight;
-        final rowHeight = availableHeight / rowCount;
+            _daysOfWeekHeight -
+            16.0;
+        final rowHeight = (availableHeight > 0 ? availableHeight : 200.0) / rowCount;
 
         return Container(
           height: constraints.maxHeight,

em2rp/lib/views/widgets/equipment/equipment_associated_events_section.dart

@@ -40,7 +40,9 @@ class _EquipmentAssociatedEventsSectionState
   }
 
   Future<void> _loadEvents() async {
-    setState(() => _isLoading = true);
+    if (mounted) {
+      setState(() => _isLoading = true);
+    }
 
     try {
       // Récupérer TOUS les événements via l'API
@@ -128,12 +130,16 @@ class _EquipmentAssociatedEventsSectionState
       // Trier par date
       filteredEvents.sort((a, b) => a.startDateTime.compareTo(b.startDateTime));
 
-      setState(() {
-        _events = filteredEvents;
-        _isLoading = false;
-      });
+      if (mounted) {
+        setState(() {
+          _events = filteredEvents;
+          _isLoading = false;
+        });
+      }
     } catch (e) {
-      setState(() => _isLoading = false);
+      if (mounted) {
+        setState(() => _isLoading = false);
+      }
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(
@@ -207,7 +213,9 @@ class _EquipmentAssociatedEventsSectionState
                     ],
                   ),
                   onSelected: (filter) {
-                    setState(() => _selectedFilter = filter);
+                    if (mounted) {
+                      setState(() => _selectedFilter = filter);
+                    }
                     _loadEvents();
                   },
                   itemBuilder: (context) => EventFilter.values.map((filter) {

em2rp/lib/views/widgets/equipment/equipment_current_events_section.dart

@@ -34,7 +34,9 @@ class _EquipmentCurrentEventsSectionState
   }
 
   Future<void> _loadCurrentEvents() async {
-    setState(() => _isLoading = true);
+    if (mounted) {
+      setState(() => _isLoading = true);
+    }
 
     try {
       // Récupérer TOUS les événements via l'API
@@ -106,12 +108,16 @@ class _EquipmentCurrentEventsSectionState
       // Trier par date
       events.sort((a, b) => a.startDateTime.compareTo(b.startDateTime));
 
-      setState(() {
-        _events = events;
-        _isLoading = false;
-      });
+      if (mounted) {
+        setState(() {
+          _events = events;
+          _isLoading = false;
+        });
+      }
     } catch (e) {
-      setState(() => _isLoading = false);
+      if (mounted) {
+        setState(() => _isLoading = false);
+      }
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(