[BUG]: Engine hangs awaiting `getItemsByVisibility`

[ShaMan123]

Describe the bug 📝

Related #699

Using model#getItemsByVisibility with large models causes the engine to hang.
Is this related to Set usage of very large datasets? Just a guess.

I sent @agviegas the IFC that causes this to happen. It does not happen with /resources/frags/school_arq.frag

Reproduction ▶️

https://stackblitz.com/edit/vitejs-vite-efp6fmgp?file=src%2FViewer.ts

Steps to reproduce 🔢

1. Open repro
2. Upload frag file containing large model
3. Open console
4. Logs of visual items should appear - if engine hangs they do not

This has no affect on the canvas

System Info 💻

System:
    OS: macOS 26.3
    CPU: (12) arm64 Apple M2 Max
    Memory: 1.22 GB / 32.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 24.12.0 - /Users/shaman123/.nvm/versions/node/v24.12.0/bin/node
    Yarn: 1.22.22 - /opt/homebrew/bin/yarn
    npm: 11.6.2 - /Users/shaman123/.nvm/versions/node/v24.12.0/bin/npm
  Browsers:
    Chrome: 145.0.7632.117
    Safari: 26.3

Used Package Manager 📦

npm

Error Trace/Logs 📃

No response

Validations ✅

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• The provided reproduction is a minimal reproducible example of the bug.

[ShaMan123]

It there a queue in the worker? Since the code is compiled it is hard for me to reverse engineer.

[ShaMan123]

occurs with getRelations as well