[WIP] CLI: refactor to use QuickrunResult dataclass

[atravitz]

Trying this out to see if it helps us handle septop and abfe results gathering, plus setting us up to more clearly defined a ResultsNetwork object.

Includes breaking changes to quickrun reading/writing, so WIP.

Checklist

• All new code is appropriately documented (user-facing code must have complete docstrings).
• Added a news entry, or the changes are not user-facing.
• Ran pre-commit: you can run pre-commit locally or comment on this PR with pre-commit.ci autofix.

Manual Tests: these are slow so don't need to be run every commit, only before merging and when relevant changes are made (generally at reviewer-discretion).

• GPU integration tests
• example notebook testing
• packaging tests: run this for any large feature PRs or PRs that add test data.

Developers certificate of origin

• I certify that this contribution is covered by the MIT License here and the Developer Certificate of Origin at https://developercertificate.org/.

[codecov]

Codecov Report

❌ Patch coverage is 96.87500% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.59%. Comparing base (58d1e00) to head (96b4068).

Files with missing lines	Patch %	Lines
src/openfecli/quickrun_result.py	88.46%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1789      +/-   ##
==========================================
- Coverage   94.96%   90.59%   -4.37%     
==========================================
  Files         217      218       +1     
  Lines       20725    20752      +27     
==========================================
- Hits        19681    18801     -880     
- Misses       1044     1951     +907     

Flag	Coverage Δ
fast-tests	90.59% <96.87%> (?)
slow-tests	?

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[github-actions]

No API break detected ✅