✨ New activity presence

lib/widgets/account/activity_presence.dart

@@ -0,0 +1,60 @@
+import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:island/models/activity.dart';
+import 'package:island/pods/activity/activity_rpc.dart';
+
+class ActivityPresenceWidget extends ConsumerWidget {
+  final String uname;
+
+  const ActivityPresenceWidget({super.key, required this.uname});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final activitiesAsync = ref.watch(presenceActivitiesProvider(uname));
+
+    return activitiesAsync.when(
+      data: (activities) => _buildActivitiesList(activities),
+      loading: () => const Center(child: CircularProgressIndicator()),
+      error:
+          (error, stack) =>
+              Center(child: Text('Error loading activities: $error')),
+    );
+  }
+
+  Widget _buildActivitiesList(List<SnPresenceActivity> activities) {
+    if (activities.isEmpty) {
+      return const Center(child: Text('No active activities'));
+    }
+
+    return ListView.builder(
+      itemCount: activities.length,
+      itemBuilder: (context, index) {
+        final activity = activities[index];
+        return Card(
+          margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+          child: ListTile(
+            title: Text(activity.title ?? 'Untitled Activity'),
+            subtitle: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text('Type: ${activity.type}'),
+                if (activity.subtitle != null) Text(activity.subtitle!),
+                if (activity.caption != null) Text(activity.caption!),
+                Text(
+                  'Expires: ${activity.leaseExpiresAt.toLocal().toString()}',
+                  style: const TextStyle(fontSize: 12),
+                ),
+              ],
+            ),
+            trailing: IconButton(
+              icon: const Icon(Icons.delete),
+              onPressed: () {
+                // TODO: Implement delete functionality
+              },
+            ),
+          ),
+        );
+      },
+    );
+  }
+}