Describe the bug

If you have a workflow that wont run for some reason, it bricks the comfyuimini server

To Reproduce
Steps to reproduce the behavior:

Run comfyui and comfyuimini servers, try to run the default example workflow with no model specified > comfyui stops this > comfyuimini bricks and will no longer pass calls to ComfyUi

Expected behavior

It should be robust to this failure since its a remote application.

Screenshots
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Desktop (please complete the following information):

• OS: [e.g. Windows 10]
• Node.js version: [e.g. v22.11.0]
• App version: [e.g. v1.5.1]
• ComfyUI version: [e.g. v2.7.0]

Additional context
Add any other context about the problem here.