Remove useless option and clarify what lowvram does.

[comfyanonymous]

No description provided.

[coderabbitai]

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Reviewing files that changed from the base of the PR and between 33ce449 and 72882fd.

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• comfy/cli_args.py

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📝 Walkthrough

Walkthrough

This PR refactors VRAM-related CLI options in comfy/cli_args.py. The --normalvram option is removed from the mutually-exclusive vram_group, and the --lowvram option is redefined with new semantics: when dynamic VRAM is enabled, the flag is ignored; otherwise, it forces text encoders to run on CPU, replacing the previous behavior of splitting the UNet.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	No description was provided by the author, making it impossible to assess relevance to the changeset.	Add a pull request description explaining why the --normalvram option is useless and how the --lowvram behavior change improves clarity.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main changes: removing the --normalvram option and clarifying the --lowvram option's behavior.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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