- Dashboard bulk toolbar: select batteries, pick a device, click 'Install
in device'; confirms before moving already-installed batteries; enforces
slot capacity and warns on brand mix
- Battery detail: 'Unretire Battery' button replaces 'Retire Battery' when
battery is retired, restoring it to available status
- Tests: 3 new bulk-install-device tests (capacity block, move, success);
42 total passing
- 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)
New nullable columns on Battery: size, chemistry, capacity_mah,
tested_capacity_mah, tested_date, charge_cycles, purchase_date.
Battery detail page shows all populated fields and a full edit form
with select dropdowns for size and chemistry (with Other fallback).
Capacity health % shown in green/orange/red when both nominal and
tested capacity are set. Dashboard gains a Size column.
iterminate