codeant-ai-for-open-source[bot] commented on PR #38868:
URL: https://github.com/apache/superset/pull/38868#issuecomment-4131413644
## **Sequence Diagram**
This PR updates the MCP create form data command to derive cache keys from
the current user instead of the HTTP session and to surface a clearer error
when temporary form data caching fails.
```mermaid
sequenceDiagram
participant MCPClient as MCP client
participant Command as MCP create form data
participant Auth as Access control
participant Cache as Explore form data cache
MCPClient->>Command: Request chart or explore link key
Command->>Auth: Check access for datasource and chart
Auth-->>Command: Access allowed
Command->>Command: Build contextual key using user id
Command->>Cache: Get or create key for contextual form data
Command->>Cache: Save form data state and contextual key
Cache-->>Command: Form data cached
Command-->>MCPClient: Return form data cache key
alt Cache write fails
Command-->>MCPClient: Temporary cache create failed error
end
```
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