Apply fixes from CodeFactor

[codefactor-io]

This pull request applies fixes from code review by CodeFactor.

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Summary by cubic

Applied CodeFactor maintainability fixes to clean up whitespace, remove redundant blank lines, and standardize formatting across tests, models, services, and the run settings window. No functional or API changes.

• Refactors
  • Normalized whitespace/line endings and trimmed empty lines across multiple files.
  • Minor formatting tidy-ups in tests and UI code; behavior remains unchanged.

^{Written for commit 2064e3c. Summary will update on new commits.}

[greptile-apps]

PR author is in the excluded authors list.

[sourcery-ai]

Hey - I've reviewed your changes and they look great!

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