clang-tidy: resolve modernize-use-emplace

[knoepfel]

Resolve modernize-use-emplace clang-tidy warnings.

• Code quality

  • Resolved the modernize-use-emplace warning in the Python module wrapper by replacing push_back(dcarg{m_callable}) with emplace_back(m_callable).

• Documentation

  • Marked modernize-use-emplace as completed and linked it to PR #793 in the clang-tidy fixes documentation.

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📝 Walkthrough

Walkthrough

The Python callback wrapper now uses emplace_back for the callable argument. The developer checklist marks modernize-use-emplace complete and references PR 793.

Changes

Emplace modernization

Layer / File(s)	Summary
Callback argument insertion plugins/python/src/modulewrap.cpp	The callable is added with emplace_back, while lifeline transformations and the trailing sentinel remain unchanged.
Clang-tidy checklist tracking docs/dev/clang-tidy-fixes-2026-04.md	The modernize-use-emplace item is checked and linked to PR 793.

Estimated code review effort: 2 (Simple) | ~5 minutes

Possibly related PRs

• Framework-R-D/phlex#772: Updates the same clang-tidy checklist entry.

Suggested reviewers: gemmeren, beojan, greenc-fnal

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: resolving the modernize-use-emplace clang-tidy warning.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

@@           Coverage Diff           @@
##             main     #793   +/-   ##
=======================================
  Coverage   83.80%   83.80%           
=======================================
  Files         172      172           
  Lines        7230     7230           
  Branches      850      850           
=======================================
  Hits         6059     6059           
  Misses        889      889           
  Partials      282      282           

Flag	Coverage Δ
scripts	80.09% <ø> (ø)
unittests	85.65% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
plugins/python/src/modulewrap.cpp	75.48% <100.00%> (+0.12%)	⬆️

... and 1 file with indirect coverage changes

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