[Feat] Rename AsyncOmniLLM -> AsyncOmni

[congw729]

PLEASE FILL IN THE PR DESCRIPTION HERE ENSURING ALL CHECKLIST ITEMS (AT THE BOTTOM) HAVE BEEN CONSIDERED.

Purpose

Rename: AsyncOmniLLM → AsyncOmni and async_omni_llm.py → async_omni.py

This refactoring simplifies the naming convention by removing the redundant "LLM" suffix from the class name and shortening the module filename.

Changes:

• Class name: AsyncOmniLLM → AsyncOmni
• Module file: vllm_omni/entrypoints/async_omni_llm.py → async_omni.py
• Module path: vllm_omni.entrypoints.async_omni_llm → vllm_omni.entrypoints.async_omni

Scope of modifications:

• Core class definition and docstrings
• All import statements across the codebase
• Public API exports in __init__.py
• Function names and variable names containing async_omni_llm fragments
• Documentation (API references, design docs, configuration guides)
• Example code and README files
• Test fixtures and mock paths
• Build/packaging metadata

Impact:

• Breaking change for external code importing AsyncOmniLLM or using the old module path
• All internal references have been updated consistently
• No functional changes; purely a naming refactoring

Test Plan

• build & install the whl

./scripts/build_wheel.sh --create-venv
uv venv --python 3.12 --seed .venv-release-test
source .venv-release-test/bin/activate
uv pip install --reinstall "vllm==0.11.0" && uv pip install dist/vllm_omni-0.11.0rc1-py3-none-any.whl
python -c "import vllm_omni; from vllm_omni import Omni; print(vllm_omni.__version__)"

• pytest

pytest tests/test_omni_llm.py

• mkdoc

uv pip install -e ".[docs]"
mkdocs build
mkdocs serve

• examples/online_serving/readme.md

Test Result

All passed.
Documentation built in 11.80 seconds

---

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• The purpose of the PR, such as "Fix some issue (link existing issues this PR will resolve)".
• The test plan, such as providing test command.
• The test results, such as pasting the results comparison before and after, or e2e results
• (Optional) The necessary documentation update, such as updating supported_models.md and examples for a new model.
• (Optional) Release notes update. If your change is user facing, please update the release notes draft.

BEFORE SUBMITTING, PLEASE READ https://github.com/vllm-project/vllm-omni/blob/main/CONTRIBUTING.md (anything written below this line will be removed by GitHub Actions)

[congw729]

This PR is ready for merge. @Gaohan123 Pls take a look.

[hsliuustc0106]

solve the conflicts please

[hsliuustc0106]

resolve the confict and get it merged asap

[congw729]

resolve the confict and get it merged asap

Done, pls have a look

[Gaohan123]

Please fix them

[Gaohan123]

LGTM. Comments left to modify later