This is a compliance and compatibility update for Firefox Add-ons review.

What changed:
- Added Firefox built-in data consent declaration in the manifest (no data collected).
- Updated minimum supported browser to Firefox Desktop 140+ for this release.
- Desktop-only targeting for this version (Firefox for Android is not targeted).
- No functional feature changes to wiki behavior, settings, or permissions flow.

Compatibility note:
- Users on older Firefox desktop versions can stay on an older compatible release (for example 0.2.1) from the AMO version history, if available.