- Device model: add device_type column (String 50, nullable)
- Device add/edit: type select with presets + custom entry
- Device detail: show type in info card; new Edit Device form
- Device list: Type column + client-side filter bar (type + text search)
- Mobile: card-style responsive tables on dashboard and device list,
form-grid-2col collapse, larger tap targets, stacked form-actions,
column picker viewport fix, filter bar full-width controls
- Assign page: larger radio touch targets (min-height 44px)
- 3 new acceptance tests for device_type (45 total)
- Dashboard: replace Assign link with device dropdown + arrow button for
quick inline assignment without leaving the page
- Device detail: replace hardcoded 4-row install form with 1 row + '+ Add
brand' button that clones rows dynamically
- Device detail: add 'Install Specific Battery' card with dropdown of all
available batteries (label, brand, size, notes) via new /device/<id>/install-one route
- Tests: 4 new acceptance tests covering dashboard quick-assign and
install-one, including capacity enforcement on both paths (39 total)
datalist only shows suggestions when typing, not on click. Switched to
a <select> showing all known brands plus a 'New brand...' option that
reveals a text input for entering a new brand name.