Rename "Schedule Maintenance" to "Add Maintenance", match contained
button style to "Add Fuel Log", and open inline MaintenanceRecordForm
dialog on click. Applied to both desktop and mobile views.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Create shared getVehicleLabel/getVehicleSubtitle in core/utils with
VehicleLike interface. Replace all direct year/make/model concatenation
across 17 consumer files to prevent null values in vehicle names.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add OwnershipCostsList to desktop VehicleDetailPage
- Add OwnershipCostsList to mobile VehicleDetailMobile
- Users can now view, add, edit, and delete recurring costs directly
from the vehicle detail view
