Fix progress output in non-interactive shells

[aryasalem09]

Description

Adds automatic TTY detection to the ParticleSet.execute progress bar.

Passing disable=None to tqdm preserves the progress bar in interactive terminals while suppressing it when stdout is redirected to a non-interactive environment, such as a Slurm job log.

The added regression test verifies both interactive and non-interactive stdout behavior without depending on exact progress-bar formatting.

Validation

• pixi run pytest tests/test_particleset.py -q

  • 26 passed

• pixi run lint

  • All hooks passed

• pixi run typing

  • Success: no issues found in 41 source files

• git diff --check

  • Passed

Checklist

• Closes Change progress bar to not print a new line to logs in non-interactive shells #2673
• Tests added
• This PR targets main

AI Disclosure

• This PR contains AI-generated content.

  • I have tested any AI-generated content in my PR.
  • I take responsibility for any AI-generated content in my PR.
  • I used Codex to inspect the relevant code, propose the minimal implementation, and help design the regression test. I manually reviewed and understood every changed line and ran the project’s test, lint, and typing checks.

[This draft pull request was opened by Codex on behalf of @aryasalem09.]