codeant-ai-for-open-source[bot] commented on PR #38563:
URL: https://github.com/apache/superset/pull/38563#issuecomment-4033026927
## **Sequence Diagram**
This PR reimplements the Explore CollectionControl drag-and-drop using
dnd-kit, so reordering items now flows through a DnD context that updates the
collection value via arrayMove and calls the parent onChange handler.
```mermaid
sequenceDiagram
participant User
participant CollectionControl
participant DnD
participant ParentForm
User->>CollectionControl: Drag collection item handle
CollectionControl->>DnD: Start drag session with item id
User->>DnD: Drop item at new position
DnD-->>CollectionControl: Drag end with active and over ids
CollectionControl->>CollectionControl: Compute new order with arrayMove
CollectionControl->>ParentForm: onChange(updated collection items)
ParentForm-->>CollectionControl: Rerender with new item order
```
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