Package lockfile sync check

[jonathanKingston]

Asana Task/Github Issue:

Description

Adds a dedicated script (scripts/check-lockfile.mjs) to validate that package.json files (root and all workspaces) are in sync with package-lock.json. This script is integrated into the lint command and added as an early step in various CI workflows to catch lockfile drift proactively and provide clear error messages, preventing silent lockfile rewrites by npm install.

Testing Steps

• Run npm run check-lockfile (should pass).
• Run npm run lint (should pass, including the lockfile check).
• To verify failure:
  1. Manually edit a dependency version in package.json (e.g., package.json or injected/package.json).
  2. Run npm run check-lockfile and confirm it fails with a descriptive error.
  3. Revert the change or run npm install to fix.

Checklist

Please tick all that apply:

• I have tested this change locally
• I have tested this change locally in all supported browsers
• This change will be visible to users
• I have added automated tests that cover this change
• I have ensured the change is gated by config
• This change was covered by a ship review
• This change was covered by a tech design
• Any dependent config has been merged

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[github-actions]

Temporary Branch Update

The temporary branch has been updated with the latest changes. Below are the details:

• Branch Name: pr-releases/pr-2120
• Commit Hash: e3f86f54c12d6b8dfbadb59c31441b4692b40814
• Last Updated: December 18, 2025 at 10:28:39 AM UTC
• Install Command: npm i github:duckduckgo/content-scope-scripts#e3f86f54c12d6b8dfbadb59c31441b4692b40814

Please use the above install command to update to the latest version.

[github-actions]

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Time updated: Thu, 18 Dec 2025 10:39:13 GMT