codeant-ai-for-open-source[bot] commented on PR #38035:
URL: https://github.com/apache/superset/pull/38035#issuecomment-4038500696
## **Sequence Diagram**
This PR adds a new point cluster map chart and modern deck.gl preset that
build client-side clusters from query data and render them on either a MapLibre
or Mapbox base map, selected via a map renderer control.
```mermaid
sequenceDiagram
participant User
participant Backend
participant Chart
participant Supercluster
participant Map
participant Overlay
User->>Backend: Open dashboard with point cluster map
Backend-->>User: Return query data and chart config
User->>Chart: Initialize point cluster map with form data and records
Chart->>Chart: Build GeoJSON features and bounds
Chart->>Supercluster: Load features into clustering index
Chart->>Map: Create map using selected renderer and configured style
Map->>Overlay: Provide viewport and projection for current view
Overlay->>Supercluster: Request clusters for viewport and zoom
Supercluster-->>Overlay: Return clustered and single-point features
Overlay-->>Map: Draw circles and labels for clusters and points
```
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