feat(events): configure schema discovery on event bus

[rrhodes]

This is a draft PR whilst we debate in the associated GitHub Issue some concerns about future breaking changes. We may require an L2 Schema Discoverer construct before proceeding further with this change.

Issue

Closes #26480.

Reason for this change

Ease the developer experience to configure schema discovery on an Event Bus. Follows the same pattern as Archives.

Description of changes

Subject to change.

Description of how you validated changes

Unit test coverage added for schema discovery. No changes made to integration tests.

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[aws-cdk-automation]

The pull request linter has failed. See the aws-cdk-automation comment below for failure reasons. If you believe this pull request should receive an exemption, please comment and provide a justification.

A comment requesting an exemption should contain the text Exemption Request. Additionally, if clarification is needed add Clarification Request to a comment.

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 66.96%. Comparing base (dd6a2f4) to head (33d12b2).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #32739      +/-   ##
==========================================
- Coverage   66.96%   66.96%   -0.01%     
==========================================
  Files         329      331       +2     
  Lines       18667    18672       +5     
  Branches     3260     3260              
==========================================
+ Hits        12501    12504       +3     
- Misses       5839     5841       +2     
  Partials      327      327              

Flag	Coverage Δ
suite.unit	66.96% <33.33%> (-0.01%)	⬇️

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

Components	Coverage Δ
packages/aws-cdk	80.71% <ø> (ø)
packages/aws-cdk-lib/core	82.09% <ø> (ø)

✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 1d48e14
• Result: FAILED
• Build Logs (available for 30 days)

Powered by github-codebuild-logs, available on the AWS Serverless Application Repository