feat: delete button works in contact_modal

dialer/lib/features/contacts/widgets/contact_modal.dart

@@ -94,6 +94,46 @@ class _ContactModalState extends State<ContactModal> {
     }
   }
 
+void _deleteContact() async {
+  final bool shouldDelete = await showDialog(
+    context: context,
+    builder: (context) => AlertDialog(
+      title: const Text('Delete Contact'),
+      content: Text('Are you sure you want to delete ${widget.contact.displayName}?'),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(false),
+          child: const Text('Cancel'),
+        ),
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(true),
+          child: const Text('Delete'),
+        ),
+      ],
+    ),
+  );
+
+  if (shouldDelete) {
+    try {
+      // Delete the contact
+      await FlutterContacts.deleteContact(widget.contact);
+
+      // Show success message
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('${widget.contact.displayName} deleted')),
+      );
+
+      // Close the modal
+      Navigator.of(context).pop();
+    } catch (e) {
+      // Handle errors and show a failure message
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('Failed to delete ${widget.contact.displayName}: $e')),
+      );
+    }
+  }
+}
+
   @override
   Widget build(BuildContext context) {
     String email = widget.contact.emails.isNotEmpty
@@ -141,8 +181,9 @@ class _ContactModalState extends State<ContactModal> {
                             icon: const Icon(Icons.more_vert,
                                 color: Colors.white),
                             onSelected: (String choice) {
-                              // Implement actions here
-                              debugPrint('Selected: $choice');
+                              if (choice == 'delete') {
+                                _deleteContact();
+                              }
                             },
                             itemBuilder: (BuildContext context) {
                               return [