Playground timeout with long-running model requests

Summary

Issue: Playground runs with long-running models like gpt-5-mini (85+ seconds) appear to hang or timeout, showing no progress updates in the UI even though the request completes successfully in the background.

Cause: Server-Side Events (SSE) connection drops before the job completes, preventing the UI from receiving completion updates.

Resolution: Refresh the page to view completed results

Resolution Steps

Workaround for current issue

Step 1: Wait for expected completion time

Allow sufficient time for the model to complete processing (typically 85+ seconds for gpt-5-mini).

Step 2: Refresh the browser page

Reload the page to display the completed results that processed in the background.