Store confidence thresholds per tagger model so JoyTag no longer inherits WD tuning. Refresh the active threshold when switching models, guard stale threshold saves, and keep UI Lab mocks in sync.
Also tightens the onboarding model selector so the segmented control no longer stretches across the row.
Add WD and JoyTag selection to the Welcome Tour AI step so users can choose the model before downloading it.
Share tagger model metadata with Settings and keep the Settings close button anchored to the modal chrome.
LyAhn