- Replace all testify/assert and testify/require with be library
- Update go.mod to use be v0.3.0 instead of testify
- Simplify test assertions using be.Equal, be.Err, and be.True
- Refactor append_test, entry_test, meta_test, log_test, and formatter tests
- Remove testify/suite dependency
- Use t.ArtifactDir() and t.Cleanup() for test isolation
- Add proper cleanup for config overrides in each test
- Update Go version to 1.26.0