fix(domain): 移除虚构 SoH 趋势语义

src/domain/battery.test.ts

@@ -65,6 +65,12 @@ describe('battery domain', () => {
     expect(snapshot.devices.every((device) => device.soh === null)).toBe(true)
     expect(snapshot.devices.every((device) => device.soh30d === null)).toBe(true)
     expect(snapshot.devices.every((device) => device.soh90d === null)).toBe(true)
+    expect(snapshot.devices.every((device) => device.soh60d === null)).toBe(true)
+    expect(snapshot.devices.every((device) => device.cycles === 0)).toBe(true)
+    expect(snapshot.devices.every((device) => device.temperature === 0)).toBe(true)
+    expect(snapshot.devices.every((device) => device.chargeEfficiency === 0)).toBe(true)
+    expect(snapshot.devices[0]?.firmware).toBe('v3.8.2')
+    expect(snapshot.devices[1]?.firmware).toBe('未提供')
     expect(snapshot.soh.history).toHaveLength(0)
     expect(snapshot.soh.forecast).toHaveLength(0)
     expect(snapshot.summary.totalDevices).toBe(snapshot.devices.length)
@@ -106,7 +112,16 @@ describe('battery domain', () => {
     expect(predicted?.sohSource).toBe('prediction')
     expect(predicted?.soh30d).toBe(58)
     expect(predicted?.soh90d).toBe(52)
+    expect(predicted?.soh60d).toBeNull()
+    expect(predicted?.cycles).toBe(6)
+    expect(predicted?.firmware).toBe('v3.8.2')
     expect(predicted?.status).toBe(DEVICE_STATUS.WARNING)
-    expect(predicted?.firmware).toBe('XGBoost')
+    expect(predicted?.temperature).toBe(0)
+    expect(predicted?.chargeEfficiency).toBe(0)
+    expect(snapshot.soh.history).toHaveLength(0)
+    expect(snapshot.soh.forecast).toHaveLength(3)
+    expect(snapshot.soh.forecast[0]).toEqual({ month: '当前', value: 60 })
+    expect(snapshot.soh.forecast[1]).toEqual({ month: '30天', value: 58 })
+    expect(snapshot.soh.forecast[2]).toEqual({ month: '90天', value: 52 })
   })
 })

src/domain/battery.ts

@@ -149,19 +149,9 @@ const clamp = (value: number, min: number, max: number) => Math.min(max, Math.ma
 
 const pad2 = (value: number) => value.toString().padStart(2, '0')
 
-const addMonths = (date: Date, months: number) =>
-  new Date(date.getFullYear(), date.getMonth() + months, date.getDate(), date.getHours(), 0, 0, 0)
-
-const addHours = (date: Date, hours: number) => new Date(date.getTime() + hours * 60 * 60 * 1000)
-
-const formatMonthLabel = (date: Date) => `${date.getFullYear().toString().slice(-2)}.${pad2(date.getMonth() + 1)}`
-
 const formatDateTime = (date: Date) =>
   `${date.getFullYear()}-${pad2(date.getMonth() + 1)}-${pad2(date.getDate())} ${pad2(date.getHours())}:${pad2(date.getMinutes())}:${pad2(date.getSeconds())}`
 
-const formatEventTime = (date: Date) =>
-  `${pad2(date.getMonth() + 1)}-${pad2(date.getDate())} ${pad2(date.getHours())}:${pad2(date.getMinutes())}`
-
 export function getDeviceStatus(soh: number): DeviceStatus {
   if (soh <= SOH_THRESHOLDS.WARNING) return DEVICE_STATUS.WARNING
   if (soh <= SOH_THRESHOLDS.WATCH) return DEVICE_STATUS.WATCH
@@ -249,7 +239,7 @@ export function createBatteriesResponse(
   }
 }
 
-function toFleetUnit(item: BatteryInfo, index: number, prediction?: BatteryPrediction): FleetUnit {
+function toFleetUnit(item: BatteryInfo, prediction?: BatteryPrediction): FleetUnit {
   const hasPrediction = Boolean(prediction)
   const soh = prediction ? round1(clamp(prediction.nowSoh, 0, 100)) : null
   const status = prediction
@@ -266,25 +256,21 @@ function toFleetUnit(item: BatteryInfo, index: number, prediction?: BatteryPredi
   if (item.remark?.includes('v3.7')) riskFactors.push('旧固件')
   if (prediction?.riskLevel) riskFactors.push(`AI风险:${prediction.riskLevel}`)
 
-  const thermalPressure = index % 3
   const soh30d = prediction ? round1(clamp(prediction.monthSoh, 0, 100)) : null
   const soh90d = prediction ? round1(clamp(prediction.trmonthSoh, 0, 100)) : null
-  const soh60d = soh30d !== null && soh90d !== null ? round1((soh30d + soh90d) / 2) : null
+  const soh60d = null
-  const temperature = round1(29.5 + thermalPressure * 2.1 + (item.isLowPower ? 1.4 : 0))
+  const temperature = 0
-  const chargeEfficiency = round1(clamp(91 + item.power / 12 - riskFactors.length * 1.8, 80, 98))
+  const chargeEfficiency = 0
-  const riskScore = Math.round(
+  const fallbackRiskScore =
-    clamp(
+    (item.isLowPower || item.power <= SOH_THRESHOLDS.LOW_POWER ? 60 : 0) +
-      prediction?.riskScore ?? 18 + riskFactors.length * 10 + thermalPressure * 4 + (item.isLowPower ? 18 : 0),
+    (item.powerStatus === POWER_STATUS.CHARGING ? 20 : 0)
-      8,
+  const riskScore = Math.round(clamp(prediction?.riskScore ?? fallbackRiskScore, 0, 100))
-      96,
-    ),
-  )
 
   return {
     id: item.devName || item.mac,
     batch: item.devModel,
-    firmware: prediction?.modelName ?? item.remark ?? 'unknown',
+    firmware: item.remark ?? '未提供',
-    cycles: 120 + index * 17 + Math.round((100 - (soh ?? item.power)) * 2.2),
+    cycles: prediction?.cyclesUsed ?? 0,
     soh,
     sohSource: prediction ? 'prediction' : 'unavailable',
     soh30d,
@@ -298,28 +284,24 @@ function toFleetUnit(item: BatteryInfo, index: number, prediction?: BatteryPredi
   }
 }
 
-function createSohResponse(devices: FleetUnit[], now: Date) {
+function createSohResponse(devices: FleetUnit[]) {
   const predictedDevices = devices.filter((unit) => unit.soh !== null)
   if (predictedDevices.length === 0) return { history: [], forecast: [] }
 
-  const avgSoh = averageNullable(predictedDevices.map((unit) => unit.soh)) ?? 0
+  const avgNow = averageNullable(predictedDevices.map((unit) => unit.soh))
-  const monthlyDrop =
+  const avgMonth = averageNullable(predictedDevices.map((unit) => unit.soh30d))
-    0.45 + predictedDevices.reduce((sum, unit) => sum + unit.riskScore, 0) / predictedDevices.length / 160
+  const avgTrmonth = averageNullable(predictedDevices.map((unit) => unit.soh90d))
+
+  const forecast = [
+    avgNow === null ? null : { month: '当前', value: round1(clamp(avgNow, 0, 100)) },
+    avgMonth === null ? null : { month: '30天', value: round1(clamp(avgMonth, 0, 100)) },
+    avgTrmonth === null ? null : { month: '90天', value: round1(clamp(avgTrmonth, 0, 100)) },
+  ].filter((point): point is { month: string; value: number } => point !== null)
 
-  const history = Array.from({ length: 12 }, (_, index) => {
-    const monthOffset = index - 11
   return {
-      month: formatMonthLabel(addMonths(now, monthOffset)),
+    history: [],
-      value: round1(clamp(avgSoh + Math.abs(monthOffset) * monthlyDrop, avgSoh, 100)),
+    forecast,
   }
-  })
-  const currentValue = history.at(-1)?.value ?? round1(avgSoh)
-  const forecast = Array.from({ length: 4 }, (_, index) => ({
-    month: formatMonthLabel(addMonths(now, index)),
-    value: index === 0 ? currentValue : round1(clamp(avgSoh - monthlyDrop * index, 0, 100)),
-  }))
-
-  return { history, forecast }
 }
 
 function summarizeBy<T extends string>(items: FleetUnit[], getKey: (item: FleetUnit) => T) {
@@ -391,8 +373,10 @@ function createSummary(devices: FleetUnit[], now: Date) {
   )
     .map(([factor, count]) => ({ factor, count }))
     .sort((a, b) => b.count - a.count)
-  const weakestBatch = batchPerformance.at(-1)?.batch ?? '当前设备'
+  const weakestModel = batchPerformance.at(-1)?.batch ?? '当前设备型号'
-  const weakestFirmware = firmwareHealth.at(-1)?.firmware ?? 'unknown'
+  const weakestRemark = firmwareHealth.at(-1)?.firmware ?? '未提供备注'
+  const predictedDevices = devices.filter((unit) => unit.soh !== null).length
+  const missingPredictionDevices = totalDevices - predictedDevices
 
   return {
     totalDevices,
@@ -409,36 +393,32 @@ function createSummary(devices: FleetUnit[], now: Date) {
     executiveSummary:
       avgSoh === null
         ? '当前 AI SoH 预测不可用，页面仅展示 MySQL 采集电量、充电状态与低电量风险。请检查预测服务配置或历史数据量。'
-        : `当前电池健康度总体可控，重点风险集中在 ${weakestBatch} 批次与 ${weakestFirmware} 固件设备。建议优先跟踪低电量、充电状态与未来 90 天 SoH 变化。`,
+        : `当前共有 ${predictedDevices} 台设备返回 SoH 预测，${missingPredictionDevices} 台设备暂无预测。重点关注 ${weakestModel} 型号与 ${weakestRemark} 备注设备，优先处理低电量和充电中的设备，并在下次同步后复查缺失预测与未来 30/90 天模型预测。`,
   }
 }
 
 function createEvents(devices: FleetUnit[], now: Date) {
-  const sortedDevices = devices.slice().sort((a, b) => b.riskScore - a.riskScore)
+  if (devices.length === 0) return []
-  const first = sortedDevices[0]
 
-  if (!first) return []
+  const predictedDevices = devices.filter((unit) => unit.soh !== null)
-
+  const warningDevices = devices.filter((unit) => unit.status === DEVICE_STATUS.WARNING)
-  const second = sortedDevices[1] ?? first
+  const missingPredictionDevices = devices.length - predictedDevices.length
 
   return [
     {
-      time: formatEventTime(addHours(now, -2)),
+      time: formatDateTime(now),
-      title: `${first.id} 进入重点观察队列`,
+      title: '风险快照',
-      detail:
+      detail: `本次快照包含 ${devices.length} 台设备，其中 ${predictedDevices.length} 台返回真实 SoH 预测，${warningDevices.length} 台处于预警状态。`,
-        first.soh === null
+      severity: warningDevices.length > 0 ? EVENT_SEVERITY.HIGH : EVENT_SEVERITY.LOW,
-          ? `${first.id} 当前 SoH 预测不可用，综合风险评分 ${first.riskScore}。`
-          : `${first.id} 当前 SoH 为 ${first.soh.toFixed(1)}%，综合风险评分 ${first.riskScore}。`,
-      severity: first.status === DEVICE_STATUS.WARNING ? EVENT_SEVERITY.HIGH : EVENT_SEVERITY.MEDIUM,
     },
     {
-      time: formatEventTime(addHours(now, -5)),
+      time: formatDateTime(now),
-      title: `${second.batch} 批次健康度趋势更新`,
+      title: '预测可用性快照',
       detail:
-        second.soh90d === null
+        missingPredictionDevices > 0
-          ? `${second.batch} 批次未来 90 天 SoH 预测不可用。`
+          ? `当前有 ${missingPredictionDevices} 台设备暂无 SoH 预测，对应图表与卡片保留为空值。`
-          : `${second.batch} 批次未来 90 天预测 SoH 为 ${second.soh90d.toFixed(1)}%。`,
+          : '当前所有设备均已返回 SoH 预测，图表仅展示真实预测点。',
-      severity: second.status === DEVICE_STATUS.HEALTHY ? EVENT_SEVERITY.LOW : EVENT_SEVERITY.MEDIUM,
+      severity: missingPredictionDevices > 0 ? EVENT_SEVERITY.MEDIUM : EVENT_SEVERITY.LOW,
     },
   ] satisfies DashboardSnapshot['events']
 }
@@ -447,21 +427,31 @@ function createStrategies(devices: FleetUnit[]) {
   if (devices.length === 0) return []
 
   const warningDevices = devices.filter((unit) => unit.status === DEVICE_STATUS.WARNING)
-  const chargingDevices = devices.filter((unit) => unit.riskFactors.includes('充电中'))
+  const powerAttentionDevices = devices.filter(
-  const first = devices.slice().sort((a, b) => b.riskScore - a.riskScore)[0]
+    (unit) => unit.riskFactors.includes('充电中') || unit.riskFactors.includes('低电量'),
+  )
+  const missingPredictionDevices = devices.filter((unit) => unit.soh === null)
 
   return [
     {
-      name: '预警设备优先维护',
+      name: '优先处理预警设备',
-      impact: `预计高风险设备减少 ${Math.max(10, warningDevices.length * 12)}%`,
+      impact: `当前有 ${warningDevices.length} 台设备处于预警状态，建议先复核供电、连接与预测结果。`,
-      scope: first ? `${first.id} 等 ${Math.max(1, warningDevices.length)} 台设备` : '当前设备',
+      scope: warningDevices.length > 0 ? `${warningDevices.length} 台预警设备` : '当前设备',
-      eta: '48 小时内完成',
+      eta: '本次巡检周期内',
     },
     {
-      name: '充电策略复核',
+      name: '补齐预测覆盖',
-      impact: `覆盖 ${Math.max(1, chargingDevices.length)} 台充电中设备`,
+      impact:
-      scope: '充电中与低电量设备',
+        missingPredictionDevices.length > 0
-      eta: '本周完成首轮验证',
+          ? `当前有 ${missingPredictionDevices.length} 台设备暂无 SoH 预测，建议在下次同步后复查。`
+          : `当前已有 ${devices.length} 台设备返回预测结果，可继续观察真实变化。`,
+      scope:
+        powerAttentionDevices.length > 0
+          ? `${powerAttentionDevices.length} 台充电中或低电量设备`
+          : missingPredictionDevices.length > 0
+            ? `${missingPredictionDevices.length} 台缺失预测设备`
+            : '当前设备',
+      eta: '下次同步后复查',
     },
   ] satisfies DashboardSnapshot['strategies']
 }
@@ -471,11 +461,11 @@ export function createDashboardSnapshot(
   now = new Date(),
   predictions: ReadonlyMap<string, BatteryPrediction> = new Map(),
 ): DashboardSnapshot {
-  const devices = items.map((item, index) => toFleetUnit(item, index, predictions.get(item.mac)))
+  const devices = items.map((item) => toFleetUnit(item, predictions.get(item.mac)))
 
   return {
     devices,
-    soh: createSohResponse(devices, now),
+    soh: createSohResponse(devices),
     events: createEvents(devices, now),
     strategies: createStrategies(devices),
     summary: createSummary(devices, now),