[WIP] Fix issue with opening large repositories

[Codex]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

---

This section details on the original issue you should resolve

<issue_title>[Bug]: Unable to use on a large repo</issue_title>
<issue_description>### Description

I tried opening a large repo (3GB of code, 16GB of .git) and it basically took down my computer. I couldn't even take a look at processes, my Acitivity Monitor stalled. 🙃

Steps to Reproduce

Open a large repo as a project.

Expected Behavior

It works

Actual Behavior

It doesn't work

AI Engine

Not engine-specific

Operating System

macOS (Apple Silicon)

Harnss Version

0.17.4

Area

No response

Logs / Error Output

Additional Context

No response</issue_description>

<agent_instructions>Deeply analyze what may be causing such behavior.</agent_instructions>

Comments on the Issue (you are @codex[agent] in this section)

@OpenSource03 Did you make sure to check latest https://github.com/OpenSource03/harnss/releases/tag/v0.18.1?

I have a new release coming soon heavily focusing on performance too.</comment_new>

• Fixes [Bug]: Unable to use on a large repo #18