Migrate active selection language script

[jonathanKingston]

Asana Task/Github Issue:

Description

• Listens to getActiveSelectionLanguage
• Responds with: getActiveSelectionLanguageResult

Testing Steps

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-1974
• Commit Hash: e748b4b1ce9502e64966cedda3e5cda91fe71864
• Last Updated: September 19, 2025 at 10:06:23 AM UTC
• Install Command: npm i github:duckduckgo/content-scope-scripts#e748b4b1ce9502e64966cedda3e5cda91fe71864

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

[github-actions]

[Beta] Generated file diff

Time updated: Fri, 19 Sep 2025 10:06:33 GMT

Apple

    - apple/contentScope.js

File has changed

Integration

    - integration/contentScope.js

File has changed

Windows

    - windows/contentScope.js

File has changed