feat: upgrade agent inspector to 0.4.1

[avi-alpert]

Description

Related Issue

Closes #

Documentation PR

Type of Change

• Bug fix
• New feature
• Breaking change
• Documentation update
• Other (please describe):

Testing

How have you tested the change?

• I ran npm run test:unit and npm run test:integ
• I ran npm run typecheck
• I ran npm run lint
• If I modified src/assets/, I ran npm run test:update-snapshots and committed the updated snapshots

Checklist

• I have read the CONTRIBUTING document
• I have added any necessary tests that prove my fix is effective or my feature works
• I have updated the documentation accordingly
• I have added an appropriate example to the documentation to outline the feature, or no new docs are needed
• My changes generate no new warnings
• Any dependent changes have been merged and published

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[github-actions]

Package Tarball

aws-agentcore-0.13.1.tgz

How to install

npm install https://github.com/aws/agentcore-cli/releases/download/pr-1251-tarball/aws-agentcore-0.13.1.tgz

[agentcore-cli-automation]

Looks good to merge — clean patch-version bump of @aws/agent-inspector (0.4.0 → 0.4.1). package.json and package-lock.json are updated consistently, transitive deps are unchanged, and no consumer code in web-server.ts needs adjustment for a patch release.