🎨 rename enrichment group to upregulated in x

[enryH]

Summary

Upregulated vs Downregulated can be confusing. Therefore we switch to upregulated in group 1 vs upregulated in group 2.

Related to Multiomics-Analytics-Group/vuecore#45

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List of changes proposed in this PR (pull-request)

• direction column entries are changed to reflect upregulated in x

Checks

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[Copilot]

Pull request overview

This PR updates enrichment analysis output labeling to avoid the potentially confusing “upregulated vs downregulated” terminology by switching to “upregulated in ” for both directions (group1 vs group2).

Changes:

• Updated run_up_down_regulation_enrichment to emit direction as upregulated in {g1} / upregulated in {g2}.
• Updated the expected direction values in the enrichment integration test to match the new labeling.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
src/acore/enrichment_analysis/__init__.py	Changes direction strings to “upregulated in {group}” for both branches.
tests/enrichment_analysis/test_enrichment.py	Updates expected direction values to the new “upregulated in timepointX” labels.

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