Revert Data Visauliztion

[wxy1203]

Description

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Changes

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Additional Notes

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Resolves #<issue_number>

[codecov]

Codecov Report

Attention: Patch coverage is 71.61290% with 44 lines in your changes missing coverage. Please review.

Project coverage is 89.23%. Comparing base (dc741af) to head (36933eb).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
backend/services/codeAnalysisService.ts	45.45%	29 Missing and 1 partial ⚠️
backend/controllers/codeAnalysisController.ts	62.06%	11 Missing ⚠️
backend/services/githubService.ts	0.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #242      +/-   ##
==========================================
- Coverage   91.14%   89.23%   -1.91%     
==========================================
  Files          27       30       +3     
  Lines        1411     1570     +159     
  Branches      244      274      +30     
==========================================
+ Hits         1286     1401     +115     
- Misses        110      152      +42     
- Partials       15       17       +2     

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