- ⇅ button on each group header: sorts units alpha (labelPlural + symbol tiebreak) via order API
- ⚙ Settings moved to admin-header alongside Log out
- Unit type gets sortPosition?: number (1-based, optional)
- Converter sort: partitions pinned/floating, inserts pins at requested slots
Pins > length append at end; gaps fill naturally with floating items
- Admin unit form: Force position number input