Missing Nodes Installation Difficulties

Hi.

I'm new to ComfyUI and ComfyUI-Manager, so hopefully this is not a rookie user error. However, when I open a json template and it gives me the error that there are missing nodes, and it took a while to find a way to successfully install those nodes. I'm sharing this in case it's a bug and someone wants to investigate it for other users.

- When I tried client the "Install All Missing Nodes", I got the spinning wheel of death that never completes.
- Then I tried clicking the button to open the manager and installing 1 pack at a time, but that too never installs.
- Finally, I poked around and eventually found the option "Custom Nodes in Workflow". This is the only option that allowed me to actually install the missing nodes. The default features don't work for me.

Specs:
- ComfyUI v0.3.59
- ComfyUI_frontend v1.26.11
- ComfyUI Manager V3.36
- python v3.13.6

Lastly, there were never any error messages in the terminal.

Cheers.

Start by reproducing the missing-node installation flow with ComfyUI v0.3.59, ComfyUI_frontend v1.26.11, ComfyUI Manager V3.36, and Python 3.13.6, comparing “Install All Missing Nodes,” individual manager installation, and “Custom Nodes in Workflow.” Trace the relevant installation entry points and capture terminal or UI errors; done means the default installation actions complete successfully or report an actionable failure.

Written by the indexing model from the issue text.