fix: 年度价值报告按身份证号+风险类型双重去重

- 按 idCardHash 去重同一人的多条 Employee 记录（无身份证号回退到 employeeId）
- 按风险类别去重同一风险的重复创建解决，只取 estimatedLoss 最大值
- 风险扫描去重改为检查所有状态(含RESOLVED/IGNORED)，按 employeeId:type 归并
- 修复规避损失用去重后的值替代原始聚合值

backend/src/services/risk.service.ts

@@ -443,10 +443,13 @@ export async function detectMonthlyTasks(orgId: string) {
 }
 
 export async function runRiskDetection(orgId: string) {
+  // 非月度风险去重：检查所有状态（含 RESOLVED/IGNORED），避免已处理的风险被重新创建
+  // 按 employeeId:type 归并，不依赖 actionUrl（actionUrl 可能因天数变化而不同）
   const existingRisks = await prisma.riskItem.findMany({
-    where: { orgId, status: 'PENDING' },
+    where: { orgId, status: { in: ['PENDING', 'RESOLVED', 'IGNORED'] } },
+    select: { employeeId: true, type: true },
   })
-  const existingKeys = new Set(existingRisks.map((r: typeof existingRisks[number]) => `${r.employeeId}:${r.type}:${r.actionUrl}`))
+  const existingKeys = new Set(existingRisks.map((r: typeof existingRisks[number]) => `${r.employeeId}:${r.type}`))
 
   // 当月任务去重：检查所有状态（含 RESOLVED/IGNORED），避免已完成的当月任务被重新创建
   const currentMonth = `${new Date().getFullYear()}-${String(new Date().getMonth() + 1).padStart(2, '0')}`
@@ -1620,69 +1623,105 @@ export async function getAnnualValueReport(orgId: string, year: number) {
       },
       include: {
         employee: {
-          select: { id: true, name: true, department: true, monthlySalary: true, hireDate: true },
+          select: { id: true, name: true, department: true, monthlySalary: true, hireDate: true, idCardHash: true },
         },
       },
       orderBy: { estimatedLoss: 'desc' },
     }),
   ])
 
-  const lossAvoided = lossAvoidedAgg._sum.estimatedLoss || 0
-
-  // 按员工维度汇总规避损失
   const RISK_AVOIDANCE_RATE = 0.3
-  const employeeBreakdown: Record<string, {
-    employeeId: string
+
+  // 按身份证号去重（同一人可能有多条 Employee 记录），无身份证号时回退到 employeeId
+  // 同时按风险类型去重（同一风险被重复创建解决多次，只取 estimatedLoss 最大的一条）
+  const personBreakdown: Record<string, {
+    personKey: string
     name: string
     department: string
     riskCount: number
     lossAvoided: number
     adjustedLoss: number
-    details: { title: string; estimatedLoss: number; legalBasis: string }[]
+    details: Map<string, { title: string; estimatedLoss: number; legalBasis: string }>
   }> = {}
 
+  // 辅助：根据风险标题推断法律依据
+  function getLegalBasis(title: string): string {
+    if (title.includes('未签合同')) return '第82条 双倍工资≤11个月'
+    if (title.includes('到期') && title.includes('未续签')) return '第47条 经济补偿N≤12个月'
+    if (title.includes('孕期') || title.includes('哺乳期') || title.includes('工伤') || title.includes('医疗期')) return '第87条 违法解除2N≤24个月'
+    if (title.includes('试用期')) return '第20条 试用期工资差额'
+    if (title.includes('社保') || title.includes('公积金')) return '滞纳金 每日0.05%'
+    if (title.includes('工资') || title.includes('个税')) return '拖欠工资/个税'
+    return '—'
+  }
+
+  // 辅助：根据风险标题归并到风险类别 key（去掉天数等动态部分）
+  function getRiskCategoryKey(title: string): string {
+    if (title.includes('未签合同') && title.includes('无固定期限')) return 'CONTRACT_UNSIGNED_OVER_YEAR'
+    if (title.includes('未签合同') && title.includes('天')) return 'CONTRACT_UNSIGNED'
+    if (title.includes('到期') && title.includes('未续签')) return 'CONTRACT_EXPIRED'
+    if (title.includes('即将到期')) return 'CONTRACT_EXPIRING'
+    if (title.includes('试用期')) return 'CONTRACT_PROBATION'
+    if (title.includes('入职手续未完成')) return 'ONBOARDING_INCOMPLETE'
+    if (title.includes('孕期') || title.includes('哺乳期')) return 'SPECIAL_PREGNANCY'
+    if (title.includes('工伤')) return 'SPECIAL_INJURY'
+    if (title.includes('医疗期')) return 'SPECIAL_MEDICAL'
+    if (title.includes('社保')) return 'MONTHLY_SOCIAL'
+    if (title.includes('公积金')) return 'MONTHLY_HOUSING'
+    if (title.includes('工资')) return 'MONTHLY_PAYROLL'
+    if (title.includes('个税')) return 'MONTHLY_TAX'
+    return title.replace(/\d+/g, '').trim()
+  }
+
   for (const r of employeeRiskDetails) {
-    const empId = r.employeeId || '_unknown'
-    if (!employeeBreakdown[empId]) {
-      employeeBreakdown[empId] = {
-        employeeId: empId,
+    // 按身份证号分组，无身份证号时回退到 employeeId
+    const personKey = r.employee?.idCardHash || r.employeeId || '_unknown'
+    if (!personBreakdown[personKey]) {
+      personBreakdown[personKey] = {
+        personKey,
         name: r.employee?.name || '未知员工',
         department: r.employee?.department || '-',
         riskCount: 0,
         lossAvoided: 0,
         adjustedLoss: 0,
-        details: [],
+        details: new Map(),
       }
     }
-    const emp = employeeBreakdown[empId]
-    emp.riskCount++
-    emp.lossAvoided += r.estimatedLoss || 0
+    const person = personBreakdown[personKey]
 
-    // 根据风险标题推断法律依据
-    let legalBasis = '—'
-    const title = r.title || ''
-    if (title.includes('未签合同')) legalBasis = '第82条 双倍工资≤11个月'
-    else if (title.includes('到期') && title.includes('未续签')) legalBasis = '第47条 经济补偿N≤12个月'
-    else if (title.includes('孕期') || title.includes('哺乳期') || title.includes('工伤') || title.includes('医疗期')) legalBasis = '第87条 违法解除2N≤24个月'
-    else if (title.includes('试用期')) legalBasis = '第20条 试用期工资差额'
-    else if (title.includes('社保') || title.includes('公积金')) legalBasis = '滞纳金 每日0.05%'
-    else if (title.includes('工资') || title.includes('个税')) legalBasis = '拖欠工资/个税'
-
-    emp.details.push({
-      title: r.title,
-      estimatedLoss: r.estimatedLoss || 0,
-      legalBasis,
-    })
+    // 按风险类别去重：同一类别只保留 estimatedLoss 最大的一条
+    const catKey = getRiskCategoryKey(r.title || '')
+    const existing = person.details.get(catKey)
+    if (!existing || (r.estimatedLoss || 0) > existing.estimatedLoss) {
+      person.details.set(catKey, {
+        title: r.title,
+        estimatedLoss: r.estimatedLoss || 0,
+        legalBasis: getLegalBasis(r.title || ''),
+      })
+    }
   }
 
-  // 计算每个员工的打折后规避损失
-  const employeeDetails = Object.values(employeeBreakdown)
-    .map((e) => ({
-      ...e,
-      adjustedLoss: Math.round(e.lossAvoided * RISK_AVOIDANCE_RATE),
-    }))
+  // 汇总去重后的员工明细
+  const employeeDetails = Object.values(personBreakdown)
+    .map((p) => {
+      const details = Array.from(p.details.values()).sort((a, b) => b.estimatedLoss - a.estimatedLoss)
+      const lossAvoided = details.reduce((sum, d) => sum + d.estimatedLoss, 0)
+      return {
+        employeeId: p.personKey,
+        name: p.name,
+        department: p.department,
+        riskCount: details.length,
+        lossAvoided,
+        adjustedLoss: Math.round(lossAvoided * RISK_AVOIDANCE_RATE),
+        details,
+      }
+    })
     .sort((a, b) => b.adjustedLoss - a.adjustedLoss)
 
+  // 用去重后的 lossAvoided 替换原始汇总值
+  const dedupedLossAvoided = employeeDetails.reduce((sum, e) => sum + e.lossAvoided, 0)
+  const lossAvoided = dedupedLossAvoided
+
   // 月度事件时间轴
   const timeline = monthlyRisks.map((mr) => ({
     month: mr.month,