Rugged::TreeError: the path 'jedliks-toys' does not exist in the given tree (Rugged::TreeError)

## Error

```
the path 'jedliks-toys' does not exist in the given tree (Rugged::TreeError)
```

## Stack trace

```
app/models/git/repository.rb:96 in path
app/models/git/repository.rb:96 in fetch_tree
app/models/git/exercise.rb:298 in tree
mandate/memoize.rb:47 in block (2 levels) in __mandate_memoize
app/models/git/exercise.rb:289 in file_entries
mandate/memoize.rb:47 in block (2 levels) in __mandate_memoize
app/models/git/exercise.rb:284 in filepaths
app/models/git/exercise.rb:234 in block in Git::Exercise#important_filepaths
app/models/git/exercise.rb:233 in select
app/models/git/exercise.rb:233 in important_filepaths
```

## Tracking Details
- **Project**: exercism-rails
- **Sentry**: [Rugged::TreeError: the path 'jedliks-toys' does not exist in the given tree (Rugged::TreeError)](https://thalamus-ai.sentry.io/issues/98636963/)
- **Culprit**: SPI::ToolingJobsController#update
- **First seen:** Feb 23, 2026