[WIP] Add local detector benchmarking

[GuiltyDolphin]

Asana Task/Github Issue: https://app.asana.com/1/137249556945/project/1212311623899110/task/1217246472987260?focus=true

Description

Adds detector benchmarking for performance testing detectors:

• different detector configurations
• code hypotheses (is algorithm X or Y more efficient)
• agent skills to allow for more complex hypothesis testing and analysis

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

[github-actions]

[Beta] Generated file diff

Time updated: Fri, 28 Aug 2026 10:11:23 GMT

[github-actions]

⚠️ Cursor review was not successful.

This PR requires a manual review and approval from a member of one of the following teams:

• @duckduckgo/content-scope-scripts-owners
• @duckduckgo/apple-devs
• @duckduckgo/android-devs
• @duckduckgo/team-windows-development
• @duckduckgo/extension-owners
• @duckduckgo/config-aor
• @duckduckgo/breakage-aor
• @duckduckgo/breakage