vacuum dataclass

[clmould]

Description

Checklist

I confirm that I have completed the following checks:

• My changes follow the PROCESS style guide
• I have justified any large differences in the regression tests caused by this pull request in the comments.
• I have added new tests where appropriate for the changes I have made.
• If I have had to change any existing unit or integration tests, I have justified this change in the pull request comments.
• If I have made documentation changes, I have checked they render correctly.
• I have added documentation for my change, if appropriate.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 88.57143% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 49.60%. Comparing base (7b5ea2b) to head (dec8601).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
process/models/ife.py	0.00%	5 Missing ⚠️
process/models/vacuum.py	62.50%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4189      +/-   ##
==========================================
- Coverage   49.63%   49.60%   -0.03%     
==========================================
  Files         148      148              
  Lines       29746    29729      -17     
==========================================
- Hits        14764    14747      -17     
  Misses      14982    14982              

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