Bundle and refactor rule management service

[malithie]

Proposed changes in this pull request

Resolves wso2/product-is#22172

With respect to utilizing this service at the API layer, this PR applies following refactoring.

• further validations are added to validate the rule
• internal rule structure is exposed to compose the rule response

Along with above improvements the rule management service is bundled with the rule management server feature to package in the product.

[malithie]

3 New issues

These issues are not quite valid.
Suggestion on the test improvement is valid. Will refactor in a different iteration.

[codecov]

Codecov Report

Attention: Patch coverage is 83.54430% with 13 lines in your changes missing coverage. Please review.

Project coverage is 45.64%. Comparing base (f958875) to head (3d7d90d).
Report is 9 commits behind head on master.

Files with missing lines	Patch %	Lines
...bon/identity/rule/management/util/RuleBuilder.java	85.93%	7 Missing and 2 partials ⚠️
...bon/identity/rule/management/model/Expression.java	83.33%	0 Missing and 2 partials ⚠️
...o2/carbon/identity/rule/management/model/Rule.java	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6265      +/-   ##
============================================
+ Coverage     45.46%   45.64%   +0.17%     
- Complexity    14157    14304     +147     
============================================
  Files          1633     1653      +20     
  Lines        102871   103343     +472     
  Branches      18128    18152      +24     
============================================
+ Hits          46772    47171     +399     
- Misses        49277    49339      +62     
- Partials       6822     6833      +11     

Flag	Coverage Δ
unit	28.91% <83.54%> (+0.29%)	⬆️

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[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/12644699602

[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/12644699602
Status: success

[jenkins-is-staging]

Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/12644699602

[sonarqubecloud]

Quality Gate passed

Issues
3 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud