fix: backport tslib dependency for portman contract tests

[buger]

Summary

• Backport of [TT-16966][TT-16971] Fix ci/tests/specs Error: Cannot find module 'tslib' and policies schema #7995 — adds tslib as an explicit dependency in ci/tests/specs/package.json
• @apideck/portman requires tslib at runtime but doesn't declare it as a direct dependency, causing portman contract tests to fail
• Adds "tslib": "^2.6.2" to the dependencies section

Test plan

• Verify portman contract tests pass in CI on the release-5.12.1 branch

🤖 Generated with Claude Code

[github-actions]

🚨 Jira Linter Failed

Commit: bd05a47
Failed at: 2026-04-16 20:41:52 UTC

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failed to validate branch and PR title rules: neither branch name 'fix/tslib-backport-5.12.1' nor PR title 'fix: backport tslib dependency for portman contract tests' contains a valid Jira ticket ID (e.g., ABC-123)

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[probelabs]

This PR is a backport that resolves a runtime failure in the Portman contract tests. The @apideck/portman package has an undeclared dependency on tslib, causing tests to fail. This fix explicitly adds tslib to the dependencies in ci/tests/specs/package.json to ensure the testing environment is correctly configured.

Files Changed Analysis

• ci/tests/specs/package.json: A single line was added to include "tslib": "^2.6.2" in the dependencies object. This is a standard dependency addition.

Architecture & Impact Assessment

• What this PR accomplishes: It fixes the failing Portman contract tests on the release-5.12.1 branch by providing a missing, required dependency.
• Key technical changes introduced: The tslib library is added as a direct dependency for the CI test suite.
• Affected system components: The impact is isolated to the CI/CD pipeline's contract testing stage. There are no changes to the application's source code, architecture, or its own dependencies.

Scope Discovery & Context Expansion

• The change is highly localized to the Node.js environment used for running contract tests, defined in ci/tests/specs/. The fix addresses a dependency management issue within a development tool, not the main application. This is a targeted maintenance operation to ensure the stability of the CI process for a release branch.

Metadata

• Review Effort: 1 / 5
• Primary Label: bug

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Last updated: 2026-04-16T20:42:41.078Z | Triggered by: pr_opened | Commit: bd05a47

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[probelabs]

✅ Security Check Passed

No security issues found – changes LGTM.

✅ Architecture Check Passed

No architecture issues found – changes LGTM.

✅ Performance Check Passed

No performance issues found – changes LGTM.

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Powered by Visor from Probelabs

Last updated: 2026-04-16T20:42:16.714Z | Triggered by: pr_opened | Commit: bd05a47

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[github-actions]

API Changes

no api changes detected

[sonarqubecloud]

Quality Gate passed

Issues
0 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

[buger]

Closing in favor of full backport of #7995