Filament already provides the necessary library for creating custom pages with drag-and-drop sorting functionality. You don't need to install any additional libraries to implement this feature.

To implement drag-and-drop sorting in Filament using Alpine JS, you can use the following code:

<div
    x-data="{}"
    x-sortable
    x-on:end="console.log('Sorting ended!', $event.detail)"
    class="flex flex-col gap-2"
>
    @foreach ($tasks as $task)
        <div
            x-sortable-handle
            x-sortable-item="{{ $task->id }}"
            class="py-2 bg-white px-4"
        >
            {{ $task->title }}
        </div>
    @endforeach
</div>

Here are the steps to implement drag-and-drop sorting in Filament using Alpine JS:

1. Add the x-data directive to initialize the Alpine JS component.
2. Add the x-sortable directive to enable sorting functionality.
3. Add the x-on:end directive to listen for the sorting end event. Inside this directive, you can add the code that you want to execute when the sorting ends.
4. Add the x-sortable-handle class within the sortable item's markup to define the element that users can interact with to trigger the drag-and-drop action.

And that's it! You can now implement drag-and-drop sorting in Filament using Alpine JS.

With Filament's flexibility, integrating custom sorting functionality becomes a straightforward process.