codeant-ai-for-open-source[bot] commented on PR #38559:
URL: https://github.com/apache/superset/pull/38559#issuecomment-4031657892
## **Sequence Diagram**
This diagram shows how MCP messages pass through the logging middleware,
which now safely skips event logging when no Flask app context is available so
the initialize handshake still succeeds.
```mermaid
sequenceDiagram
participant Client
participant MCPServer
participant LoggingMiddleware
participant EventLogger
participant FlaskApp
Client->>MCPServer: Send MCP message
MCPServer->>LoggingMiddleware: on_message with context
LoggingMiddleware->>EventLogger: Log mcp_message
alt Flask app context present
EventLogger->>FlaskApp: Record event
LoggingMiddleware-->>MCPServer: Call next handler
else No app context available
EventLogger--xLoggingMiddleware: RuntimeError raised
LoggingMiddleware->>LoggingMiddleware: Catch error and skip logging
LoggingMiddleware-->>MCPServer: Call next handler
end
MCPServer-->>Client: Return MCP response
```
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