[security-fix] Add explicit permissions to CI workflow jobs

[Copilot]

Security Fix: Missing Workflow Permissions

Resolves: #13, #14
Severity: Medium
Rule: actions/missing-workflow-permissions

Problem

CodeQL identified that the js and lint jobs in our CI workflow were missing explicit permissions blocks. Without explicit permissions, workflows inherit repository-level permissions, which may be overly permissive and violate the principle of least privilege. This can potentially allow workflows to perform unintended actions if compromised.

Solution

Added explicit permissions: contents: read blocks to all CI workflow jobs. While the security alerts specifically flagged the js and lint jobs, I've also added permissions to the test and build jobs for consistency and to ensure the entire CI workflow follows security best practices.

Modified Jobs:

• test job: Added permissions: contents: read
• build job: Added permissions: contents: read
• js job: Added permissions: contents: read ✅ (Required by alert Add codex test action #13)
• lint job: Added permissions: contents: read ✅ (Required by alert codex naming #14)

All four jobs only require read access to:

• Check out repository code
• Set up build environments
• Run tests and linters

No write permissions are needed for these operations.

Security Benefits

✅ Principle of Least Privilege - Jobs now have only the minimum permissions required
✅ Explicit Permission Control - GITHUB_TOKEN scope is explicitly restricted
✅ Defense in Depth - Reduces potential impact if workflow is compromised
✅ GitHub Compliance - Follows GitHub's workflow security recommendations

Testing

• ✅ All unit tests pass
• ✅ YAML syntax validated
• ✅ Workflow validated with actionlint
• ✅ No functional changes to job behavior

Impact

This is a security-only change with no impact on functionality. All CI jobs continue to work exactly as before, but now with properly scoped permissions.

Original prompt

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This section details on the original issue you should resolve

<issue_title>[security-fix] Security: Add explicit permissions to CI workflow jobs</issue_title>
<issue_description># Security Fix: Missing Workflow Permissions

Alert Numbers: #13, #14
Severity: Medium
Rule: actions/missing-workflow-permissions

Vulnerability Description

Two jobs in the CI workflow (js and lint) were missing explicit permissions blocks. Without explicit permissions, workflows inherit repository-level permissions, which may be overly permissive and violate the principle of least privilege. This can potentially allow workflows to perform unintended actions if compromised.

CodeQL identified these issues with the following message:

Actions job or workflow does not limit the permissions of the GITHUB_TOKEN. Consider setting an explicit permissions block, using the following as a minimal starting point: {contents: read}

Fix Applied

Added explicit permissions blocks to both affected jobs:

permissions:
  contents: read

Changes:

• js job (lines 76-95): Added permissions: contents: read
• lint job (lines 95-125): Added permissions: contents: read

Both jobs only require read access to:

• Check out repository code
• Set up build environments
• Run tests and linters

No write permissions are needed for these operations.

Security Best Practices

✅ Principle of Least Privilege: Jobs now have only the minimum permissions required
✅ Explicit Permission Control: GITHUB_TOKEN scope is explicitly restricted
✅ Defense in Depth: Reduces potential impact if workflow is compromised
✅ GitHub Compliance: Follows GitHub's workflow security recommendations

Testing Considerations

• ✅ Changes only add restrictive permissions
• ✅ No functional changes to job behavior
• ✅ Both jobs should continue to run successfully with read-only access
• ⚠️ Verify that CI jobs complete without permission errors

References

• GitHub Docs: Assigning permissions to jobs
• CodeQL Rule: actions/missing-workflow-permissions

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🤖 Generated with Claude Code

AI generated by Security Fix PR

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[!NOTE]
This was originally intended as a pull request, but the git push operation failed.

Workflow Run: View run details and download patch artifact

The patch file is available as an artifact (aw.patch) in the workflow run linked above.
To apply the patch locally:

# Download the artifact from the workflow run https://github.com/githubnext/gh-aw/actions/runs/18418667448
# (Use GitHub MCP tools if gh CLI is not available)
gh run download 18418667448 -n aw.patch
# Apply the patch
git am aw.patch

</issue_description>

Comments on the Issue (you are @copilot in this section)

Fixes #1493

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