Read a .comfy_environment file from the ComfyUI base directory to
determine the deployment environment (e.g. standalone, portable, desktop).
Defaults to 'local_git' when the file is absent.
The value is sent as an X-Comfy-Deploy-Env header on all requests to
api.comfy.org, allowing the API to differentiate between environment types.
The .comfy_environment file is gitignored so launchers/installers can
write it without affecting the repository.
Co-authored-by: Amp <amp@ampcode.com>
Amp-Thread-ID: https://ampcode.com/threads/T-019d939e-6b4d-738b-8d1a-ac7cbf6736a4
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