chore(cli): use typed errors ToolkitError and AuthenticationError in CLI

[sumupitchayan]

Closes #32347

This PR creates two new error types, ToolkitError and AuthenticationError and uses them in aws-cdk.

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 51.63399% with 74 lines in your changes missing coverage. Please review.

Project coverage is 79.26%. Comparing base (3377c3b) to head (8b87dc2).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #32548      +/-   ##
==========================================
+ Coverage   79.15%   79.26%   +0.11%     
==========================================
  Files         107      108       +1     
  Lines        7139     7182      +43     
  Branches     1321     1324       +3     
==========================================
+ Hits         5651     5693      +42     
  Misses       1304     1304              
- Partials      184      185       +1     

Flag	Coverage Δ
suite.unit	79.26% <51.63%> (+0.11%)	⬆️

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

Components	Coverage Δ
packages/aws-cdk	79.26% <51.63%> (+0.11%)	⬆️

[mrgrain]

Looking really good! I left a few minor comments. Also happy to bypass the diff-coverage in this case - I agree with you that it's unduly for this PR. Just make sure the project coverage increases (which it currently does).

Also please configure the eslint rule for this package only to enforce we don't accidentally add new untyped errors.

[aws-cdk-automation]

The pull request linter fails with the following errors:

❌ CLI code has changed. A maintainer must run the code through the testing pipeline (git fetch origin pull/32548/head && git push -f origin FETCH_HEAD:test-main-pipeline), then add the 'pr-linter/cli-integ-tested' label when the pipeline succeeds.

PRs must pass status checks before we can provide a meaningful review.

If you would like to request an exemption from the status checks or clarification on feedback, please leave a comment on this PR containing Exemption Request and/or Clarification Request.

✅ A exemption request has been requested. Please wait for a maintainer's review.

[aws-cdk-automation]

The pull request linter fails with the following errors:

❌ CLI code has changed. A maintainer must run the code through the testing pipeline (git fetch origin pull/32548/head && git push -f origin FETCH_HEAD:test-main-pipeline), then add the 'pr-linter/cli-integ-tested' label when the pipeline succeeds.

PRs must pass status checks before we can provide a meaningful review.

If you would like to request an exemption from the status checks or clarification on feedback, please leave a comment on this PR containing Exemption Request and/or Clarification Request.

✅ A exemption request has been requested. Please wait for a maintainer's review.

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 8b87dc2
• Result: SUCCEEDED
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