[feat][evaluation] Rescore Hook

[lsy357]

What type of PR is this?

feat

Check the PR title

• This PR title match the format: [<type>][<scope>] <description>. For example: [fix][backend] flaky fix
• The description of this PR title is user-oriented and clear enough for others to understand.
• Add documentation if the current PR requires user awareness at the usage level.
• This PR is written in English. PRs not in English will not be reviewed.

(Optional) Translate the PR title into Chinese

(Optional) More detailed description for this PR(en: English/zh: Chinese)

en:
zh(optional):

(Optional) Which issue(s) this PR fixes

[codecov]

Codecov Report

❌ Patch coverage is 52.51397% with 85 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...evaluation/domain/service/expt_score_calculator.go	48.42%	76 Missing and 6 partials ⚠️
backend/modules/evaluation/pkg/conf/configer.go	0.00%	2 Missing ⚠️
...on/domain/service/expt_run_scheduler_event_impl.go	66.66%	0 Missing and 1 partial ⚠️

❌ Your patch check has failed because the patch coverage (52.51%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

@@            Coverage Diff             @@
##             main     #540      +/-   ##
==========================================
- Coverage   77.41%   77.34%   -0.08%     
==========================================
  Files         662      663       +1     
  Lines       74864    74973     +109     
==========================================
+ Hits        57956    57986      +30     
- Misses      13487    13563      +76     
- Partials     3421     3424       +3     

Flag	Coverage Δ
unittests	77.34% <52.51%> (-0.08%)	⬇️

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

Files with missing lines	Coverage Δ
...modules/evaluation/application/eval_openapi_app.go	92.63% <100.00%> (ø)
...ckend/modules/evaluation/domain/entity/expt_run.go	98.46% <ø> (ø)
...evaluation/domain/service/evaluator_record_impl.go	85.93% <100.00%> (+0.11%)	⬆️
...ules/evaluation/domain/service/expt_result_impl.go	74.75% <100.00%> (-0.43%)	⬇️
...on/domain/service/expt_run_scheduler_event_impl.go	76.95% <66.66%> (ø)
backend/modules/evaluation/pkg/conf/configer.go	22.41% <0.00%> (-0.81%)	⬇️
...evaluation/domain/service/expt_score_calculator.go	48.42% <48.42%> (ø)

... and 2 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d8b2a6f...7b6225c. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.