[Issue] Fix unclickable southeast wall in 3D preview

[github-actions]

Summary

The southeast wall in the 3D preview cannot be clicked, preventing users from interacting with it.

User Goal

The user was trying to select the southeast wall in the 3D preview for configuration.

Observed Behaviour

Clicking on the southeast wall in the 3D preview does not register any interaction.

Expected Behaviour

Clicking on the southeast wall should allow the user to select it for further configuration, similar to other walls in the 3D preview.

Steps to Reproduce

1. Navigate to the Configure screen.
2. Open the 3D preview.
3. Attempt to click on the southeast wall.

Affected Component / Screen

3DPreview component on the Configure screen.

Suggested Fix / Direction

Investigate the click event handling for the southeast wall in the 3DPreview component. Check for issues with the wall's geometry, hitbox, or event listener bindings.

Priority Rationale

This issue significantly impacts the user's ability to interact with and configure the model, making it a high-priority bug.

---

🤖 Refined from raw user feedback by GitHub Models (gpt-4o).
Verify the steps to reproduce before assigning.

Screenshots

Screenshot 1

Original feedback (issue #55)

User Feedback

Field	Value
Screen	Configure
Context	Post-session
Difficulty	4 – Difficult
Submitted	2026-04-23T07:24:27.898Z
URL	https://building-configurator-enerplanet.vercel.app/

---

What went wrong?

cannot click on the south east wall in the 3d preview.

Screenshots (1)

Screenshot 1

---

Reported via the in-app issue reporter.