Example for running local Qwen3-Embedding model with Transformers.js

[johntostring]

Sorry, I can't keep working on this due to time constraints. This PR is just an example for your reference.

The Qwen3 Embedding model (see here) was recently open-sourced, and the ONNX community already has a converted .onnx model available.

To demonstrate this quickly, we only need the smallest model file. So when cloning the model repository, we’ll exclude large files first.

1. Ensure git-lfs is installed:

git lfs install

2. Clone the repository without large files:

GIT_LFS_SKIP_SMUDGE=1 git clone https://huggingface.co/onnx-community/Qwen3-Embedding-0.6B-ONNX

3. Pull the necessary large files (this example needs the smallest model.onnx):

git lfs pull --include="tokenizer.json"
git lfs pull --include="onnx/model.onnx"

4. Edit src/main/model.ts and update env.localModelPath to your local model path.