feat: scoreDesc endpoint.

[chivehao]

• Update the CHANGES log.
• If this pull request closes/resolves/fixes an existing issue, replace the issue number. Closes #.

[codecov]

Codecov Report

Attention: Patch coverage is 30.76923% with 9 lines in your changes missing coverage. Please review.

Project coverage is 43.81%. Comparing base (694a615) to head (e70cc16).

Files with missing lines	Patch %	Lines
.../server/core/subject/endpoint/SubjectEndpoint.java	33.33%	8 Missing ⚠️
.../core/subject/service/impl/SubjectServiceImpl.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #751      +/-   ##
============================================
+ Coverage     43.69%   43.81%   +0.11%     
- Complexity      851      855       +4     
============================================
  Files           224      224              
  Lines          8317     8329      +12     
  Branches        443      444       +1     
============================================
+ Hits           3634     3649      +15     
+ Misses         4550     4546       -4     
- Partials        133      134       +1     

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