test(TaskListScreen): add integration tests for filtered and overdue task states

- Covers empty states, celebration state, and scheduled/overdue task rendering
- Verifies proper checkbox behavior for future tasks
- Tests AppBar for sort dropdown, edit/delete actions, and calendar strip
- Adds necessary test helpers and overrides for room-specific tasks

lib/features/home/presentation/calendar_task_row.dart

@@ -20,6 +20,8 @@ class CalendarTaskRow extends StatelessWidget {
     required this.taskWithRoom,
     required this.onCompleted,
     this.isOverdue = false,
+    this.showRoomTag = true,
+    this.canComplete = true,
   });
 
   final TaskWithRoom taskWithRoom;
@@ -30,6 +32,12 @@ class CalendarTaskRow extends StatelessWidget {
   /// When true, task name is rendered in coral color.
   final bool isOverdue;
 
+  /// When false, the room tag subtitle is hidden (e.g. in room-scoped view).
+  final bool showRoomTag;
+
+  /// When false, the checkbox is disabled (e.g. for future tasks).
+  final bool canComplete;
+
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
@@ -41,7 +49,7 @@ class CalendarTaskRow extends StatelessWidget {
       ),
       leading: Checkbox(
         value: false,
-        onChanged: (_) => onCompleted(),
+        onChanged: canComplete ? (_) => onCompleted() : null,
       ),
       title: Text(
         task.name,
@@ -51,22 +59,25 @@ class CalendarTaskRow extends StatelessWidget {
         maxLines: 1,
         overflow: TextOverflow.ellipsis,
       ),
-      subtitle: GestureDetector(
-        onTap: () => context.go('/rooms/${taskWithRoom.roomId}'),
-        child: Container(
-          padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
-          decoration: BoxDecoration(
-            color: theme.colorScheme.secondaryContainer,
-            borderRadius: BorderRadius.circular(4),
-          ),
-          child: Text(
-            taskWithRoom.roomName,
-            style: theme.textTheme.labelSmall?.copyWith(
-              color: theme.colorScheme.onSecondaryContainer,
-            ),
-          ),
-        ),
-      ),
+      subtitle: showRoomTag
+          ? GestureDetector(
+              onTap: () => context.go('/rooms/${taskWithRoom.roomId}'),
+              child: Container(
+                padding:
+                    const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
+                decoration: BoxDecoration(
+                  color: theme.colorScheme.secondaryContainer,
+                  borderRadius: BorderRadius.circular(4),
+                ),
+                child: Text(
+                  taskWithRoom.roomName,
+                  style: theme.textTheme.labelSmall?.copyWith(
+                    color: theme.colorScheme.onSecondaryContainer,
+                  ),
+                ),
+              ),
+            )
+          : null,
     );
   }
 }