- Replace noisy no-id snackbars with in-screen red status feedback
- Keep success state green and reduce interruption during scan flow
- Make scan-tab collection switching session-only (does not overwrite main)
- Keep main collection preselected from collections tab preference
- Apply recent UX text/layout polish for scan and detail actions
- Load and display persisted active collection in Collections list
- Add Active badge for the currently selected scan destination
- Add quick action to set any collection as active for scanner workflow
- Auto-set active collection when opening a collection details view
