[NAE-2486] QueryLangEvaluator project implementations

[Retoocs]

Description

Make QueryLangEvaluator of prototype bean. Update it's access modifiers to protected

Implements NAE-2486

Dependencies

No new dependencies were introduced

Third party dependencies

No new dependencies were introduced

Blocking Pull requests

There are no dependencies on other PR

How Has Been This Tested?

Manually and by unit tests

Test Configuration

Name	Tested on
OS	Ubuntu 24.04.1 LTS
Runtime	Java 11
Dependency Manager	Maven 3.6.3
Framework version	Spring Boot 2.7.8
Run parameters
Other configuration

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• My changes have been checked, personally or remotely, with @...
• I have commented my code, particularly in hard-to-understand areas
• I have resolved all conflicts with the target branch of the PR
• I have updated and synced my code with the target branch
• I have added tests that prove my fix is effective or that my feature works
• New and existing tests pass locally with my changes:
  • Lint test
  • Unit tests
  • Integration tests
• I have checked my contribution with code analysis tools:
  • SonarCloud
  • Snyk
• I have made corresponding changes to the documentation:
  • Developer documentation
  • User Guides
  • Migration Guides

Summary by CodeRabbit

• Refactor
  • Updated how query evaluation is provided within the application. Existing query-building behavior is preserved, with no new end-user features or changes to the visible experience noted in this release.

[coderabbitai]

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 4.55% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 22 functions across 3 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title identifies QueryLangEvaluator and its project implementation work. This matches the main purpose of the changes, including prototype bean registration and protected members.

• Fix all pre-merge checks with AI

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