Description

Steps to reproduce:

1. Create a project with built-in repository (initially empty).
2. Clone repository locally.
3. Add files, commit, and push.
4. Refresh web UI.

Observed behavior: The web UI still shows the repository as empty.

There is no visible way to refresh repository state.

Expected Behavior

On page load, the repository browser should:

• Dynamically resolve default branch
• Detect repository HEAD
• Display current tree

Repository state should not be cached as permanently empty.

Impact

Creates confusion and makes repository appear broken after first push.

Acceptance Criteria

• After push, UI reflects latest repository state.
• Default branch resolution is dynamic.
• No stale "empty repo" state persists.