Fix module segment headers in analytics export

[miachillgood]

Summary

• Resolve module segment CSV headers from module details instead of label details
• Add unit coverage for module segment header mapping

Fixes #9174

Tests

• git diff --check origin/preview...fix/module-segment-export-headers
• python -m compileall -q apps/api/plane/bgtasks/analytic_plot_export.py apps/api/plane/tests/unit/bg_tasks/test_analytic_plot_export.py

Not run:

• python -m pytest plane/tests/unit/bg_tasks/test_analytic_plot_export.py (local environment is missing the project dependency celery)
• python -m ruff check ... (local environment is missing ruff)

Summary by CodeRabbit

• Bug Fixes

  • Corrected module name resolution in segmented analytics exports, ensuring accurate module names display in CSV exports when segmenting data by module dimension.

• Tests

  • Added unit tests verifying that module segment headers correctly display the associated module names in exported analytics data.

[CLAassistant]

All committers have signed the CLA.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 905e6243-d8c0-43df-9b19-4fd2376455c8

📥 Commits

Reviewing files that changed from the base of the PR and between b6e47cc and 2f44d48.

📒 Files selected for processing (2)

• apps/api/plane/bgtasks/analytic_plot_export.py
• apps/api/plane/tests/unit/bg_tasks/test_analytic_plot_export.py

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📝 Walkthrough

Walkthrough

This PR fixes a bug in analytics CSV export where module segment column headers displayed raw UUIDs instead of module names. The generate_segmented_rows function incorrectly looked up module names from label_details instead of module_details. The fix updates the lookup source, and a new unit test validates that module names now appear correctly in exported headers.

Changes

Module Segment Header Lookup Fix

Layer / File(s)	Summary
Module segment header lookup and verification apps/api/plane/bgtasks/analytic_plot_export.py, apps/api/plane/tests/unit/bg_tasks/test_analytic_plot_export.py	The generate_segmented_rows function now retrieves module entries from module_details instead of label_details when segmenting by module. A unit test class validates that header labels correctly resolve module names from the provided module_details mapping.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 A UUID was hiding where names should gleam,
In module headers—a reviewer's bad dream!
But now module_details reveals the true name,
Headers shine bright, analytics aflame! ✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main fix: changing module segment header resolution from label_details to module_details in the analytics export functionality.
Description check	✅ Passed	The description covers the key changes and references the linked issue, though it omits some template sections like Type of Change and Screenshots.
Linked Issues check	✅ Passed	The code changes directly address issue #9174 by fixing the module segment header lookup to use module_details instead of label_details, and adding unit test coverage for this behavior.
Out of Scope Changes check	✅ Passed	All changes are directly related to fixing module segment headers in analytics export and adding appropriate test coverage, with no extraneous modifications.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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