[Bug]: Merge failed and Polyscope shows a success message

### Platform

macOS

### Operating system version

macOS 26.2 (25C56)

### System architecture

ARM64 (M1, M2, etc)

### PolyScope Version

0.15.0

### Bug description

### Steps to reproduce

1. Ask Polyscope to change something in your code.
2. Change something in your code yourself
3. Try to commit & push it via Polyscope

### Relevant log output

```shell

```