fix: collect confidence json files for wisps

[vtnphan]

Pull Request

Summary

SBP-648 Collect confidence json files for wisps workflow running with colabfold tool

Changes

• results_utils.py: colabfold colabfold_predictions/confidence/*.json outputs are now collected for WISPS bulk-prediction and interaction-screening runs

How to Test

1. cd sbp-backend && uv sync --all-extras && source .venv/bin/activate
2. pytest tests/test_services_results_utils.py -k colabfold_confidence -v — new classification/collection tests pass
3. pytest -q — full suite passes, no regressions

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have added tests that prove my fix is effective or that my feature works
• I have added or updated documentation where necessary
• I have run linting and unit tests locally
• The code follows the project's style guidelines

[amandazhuyilan]

Might be worth updating the “how to test” part - otherwise look pretty good!

[vtnphan]

@amandazhuyilan yep - updated

[amandazhuyilan]

Good to go now 🚀