fix(fleet): normalize nullable maintenance fields before editing

src/modules/overseas-master-data/api/vehicleCare.test.ts

@@ -8,6 +8,15 @@ const details: VehicleCareDraft = { recordType: 'FUEL', occurredAt: '2026-01-01T
 const wire = { recordNo: 'VR-ONE', vehicleId: id, vehiclePlate: 'TEST', recordVersion: '2', details: { ...details, odometer: '100', fuelQuantity: '28.6' }, files: [{ fileId: '9223372036854775702', fileName: 'meter.png', contentType: 'image/png', sizeBytes: '8' }], updatedBy: 'operator', updatedAt: '2026-01-01T00:00:00Z' }
 const ok = (data: unknown) => ({ code: '200', message: '成功', data })
 beforeEach(() => vi.clearAllMocks())
+it('normalizes omitted nullable incident fields without injecting maintenance defaults', async () => {
+  const repair = { ...wire, details: { recordType: 'REPAIR', occurredAt: details.occurredAt,
+    incident: { description: '轮胎维修', item: '换胎', place: '现场', processingStatus: 'PENDING', reportedCost: '125.50', currency: 'USD' } } }
+  vi.mocked(http.get).mockResolvedValue(ok({ records: [repair], page: 1, size: 10, total: 1, pages: 1 }))
+  const result = (await listVehicleCare(id, 'REPAIR')).records[0]!
+  expect(result.details).toMatchObject({ distanceUnit: null, odometer: null, fuelUnit: null, verificationStatus: null,
+    lastServiceOdometer: null, nextServiceOdometer: null, fuelQuantity: null, remark: null,
+    incident: { handler: null, exceptionType: null, reportedCost: 125.5, currency: 'USD' } })
+})
 it('keeps vehicle and file IDs exact while normalizing values without changing units', async () => {
   vi.mocked(http.get).mockResolvedValue(ok({ records: [wire], page: '1', size: '10', total: '1', pages: '1' }))
   const result = await listVehicleCare(id, 'FUEL')

src/modules/overseas-master-data/api/vehicleCare.ts

@@ -6,9 +6,9 @@ import type { PageResult } from './overseasMasterData'
 type Numeric = number | string
 type Wire = Omit<VehicleCareRecord, 'recordVersion' | 'details' | 'files'> & {
   recordVersion: Numeric
-  details: Omit<VehicleCareDraft, 'odometer' | 'lastServiceOdometer' | 'nextServiceOdometer' | 'fuelQuantity' | 'incident'> & {
+  details: Pick<VehicleCareDraft, 'recordType' | 'occurredAt'> & Partial<Omit<VehicleCareDraft, 'odometer' | 'lastServiceOdometer' | 'nextServiceOdometer' | 'fuelQuantity' | 'incident'>> & {
-    odometer: Numeric | null; lastServiceOdometer: Numeric | null; nextServiceOdometer: Numeric | null; fuelQuantity: Numeric | null
+    odometer?: Numeric | null; lastServiceOdometer?: Numeric | null; nextServiceOdometer?: Numeric | null; fuelQuantity?: Numeric | null
-    incident: (Omit<VehicleIncident, 'reportedCost'> & { reportedCost: Numeric | null }) | null
+    incident?: (Pick<VehicleIncident, 'description' | 'processingStatus'> & Partial<Omit<VehicleIncident, 'reportedCost'>> & { reportedCost?: Numeric | null }) | null
   }
   files: Array<Omit<VehicleCareRecord['files'][number], 'sizeBytes'> & { sizeBytes: Numeric }>
 }
@@ -24,10 +24,16 @@ function decimal(value: Numeric): number {
   return result
 }
 function record(value: Wire): VehicleCareRecord {
-  const optional = (number: Numeric | null) => number == null ? null : decimal(number)
+  const optional = (number: Numeric | null | undefined) => number == null ? null : decimal(number)
-  return { ...value, recordVersion: integer(value.recordVersion), details: { ...value.details, odometer: optional(value.details.odometer),
+  const details = value.details, incident = details.incident
-    lastServiceOdometer: optional(value.details.lastServiceOdometer), nextServiceOdometer: optional(value.details.nextServiceOdometer), fuelQuantity: optional(value.details.fuelQuantity),
+  return { ...value, recordVersion: integer(value.recordVersion), paymentStatus: value.paymentStatus ?? null, details: {
-    incident: value.details.incident ? { ...value.details.incident, reportedCost: optional(value.details.incident.reportedCost) } : null },
+    recordType: details.recordType, occurredAt: details.occurredAt, distanceUnit: details.distanceUnit ?? null,
+    odometer: optional(details.odometer), lastServiceOdometer: optional(details.lastServiceOdometer),
+    nextServiceOdometer: optional(details.nextServiceOdometer), fuelQuantity: optional(details.fuelQuantity),
+    fuelUnit: details.fuelUnit ?? null, verificationStatus: details.verificationStatus ?? null, remark: details.remark ?? null,
+    incident: incident ? { description: incident.description, processingStatus: incident.processingStatus,
+      item: incident.item ?? null, place: incident.place ?? null, handler: incident.handler ?? null,
+      exceptionType: incident.exceptionType ?? null, reportedCost: optional(incident.reportedCost), currency: incident.currency ?? null } : null },
     files: value.files.map(file => ({ ...file, sizeBytes: integer(file.sizeBytes) })) }
 }
 export async function listVehicleCare(vehicleId: string, recordType: VehicleCareType, page = 1, size = 10): Promise<PageResult<VehicleCareRecord>> {

src/modules/overseas-master-data/components/VehicleCareBehavior.test.ts

@@ -29,6 +29,15 @@ function mount(component: object, props: Record<string, unknown>): VueWrapper {
 }
 beforeEach(() => { vi.clearAllMocks(); access.write = true; vi.mocked(api.listVehicleCare).mockResolvedValue({ records: [structuredClone(row)], page: 1, size: 10, total: 1, pages: 1 }) })
 afterEach(() => wrappers.splice(0).forEach(wrapper => wrapper.unmount()))
+it('saving an unchanged record does not create a correction due to JSON property order', async () => {
+  const record = structuredClone(row)
+  record.details = Object.fromEntries(Object.entries(record.details).reverse()) as typeof record.details
+  const wrapper = mount(VehicleCareEditor, { modelValue: false, vehicleId: '71', plate: 'VEH-A', recordType: 'FUEL', record })
+  await wrapper.setProps({ modelValue: true })
+  wrapper.findComponent({ name: 'AppDialog' }).vm.$emit('confirm'); await flushPromises()
+  expect(api.updateVehicleCare).not.toHaveBeenCalled()
+  expect(wrapper.emitted('saved')).toHaveLength(1)
+})
 it('loads care only after the detail tab is selected', async () => {
   vi.mocked(getVehicle).mockResolvedValue({ id: '71', plateNumber: 'VEH-A', model: 'Truck', fuelConsumptionPer100Km: 10, mileageKm: 1000, region: 'OVERSEAS', ownership: 'OWNED', status: 'IN_SERVICE', recordVersion: 0 } as Awaited<ReturnType<typeof getVehicle>>)
   const wrapper = mount(VehicleDetailView, {}); await flushPromises()

src/modules/overseas-master-data/components/VehicleCareEditor.vue

@@ -38,7 +38,7 @@ watch([open, identity], ([value, target], [, previousTarget]) => {
       lastServiceOdometer: null, nextServiceOdometer: null, fuelQuantity: null, fuelUnit: props.recordType === 'FUEL' ? 'L' : null,
       verificationStatus: meterRecord.value ? 'PENDING' : null, remark: null, incident: meterRecord.value ? null
         : { description: '', item: null, place: null, handler: null, processingStatus: 'PENDING', exceptionType: null, reportedCost: null, currency: null } })
-  lastSaved = props.record ? JSON.stringify(props.record.details) : ''
+  lastSaved = props.record ? JSON.stringify(form) : ''
 })
 function selectFiles(event: Event) {
   const element = event.target as HTMLInputElement