fix: 劳务/实习协议员工从根源不创建社保公积金记录

- 创建员工时劳务/实习协议跳过社保公积金记录创建
- 重新入职时同样判断合同类型
- 编辑员工时若最新合同为劳务/实习，强制基数为0并关闭在保记录
- 月度办理列表过滤劳务/实习协议员工

backend/src/services/contract.service.ts

@@ -433,33 +433,36 @@ export async function createEmployee(orgId: string, userId: string, data: any) {
       },
     })
 
-    await tx.employeeSocialInsRecord.create({
-      data: {
-        orgId,
-        employeeId: emp.id,
-        startMonth: socialInsStartMonth,
-        endMonth: null,
-        base: socialInsBase,
-        changeType: 'ONBOARDING',
-        createdBy: userId,
-        city: data.city || '北京',
-        accountId: data.socialAccountId || null,
-      },
-    })
+    // 劳务/实习协议不创建社保公积金记录
+    if (!isNoSocialContract) {
+      await tx.employeeSocialInsRecord.create({
+        data: {
+          orgId,
+          employeeId: emp.id,
+          startMonth: socialInsStartMonth,
+          endMonth: null,
+          base: socialInsBase,
+          changeType: 'ONBOARDING',
+          createdBy: userId,
+          city: data.city || '北京',
+          accountId: data.socialAccountId || null,
+        },
+      })
 
-    await tx.employeeHousingFundRecord.create({
-      data: {
-        orgId,
-        employeeId: emp.id,
-        startMonth: housingFundStartMonth,
-        endMonth: null,
-        base: housingFundBase,
-        changeType: 'ONBOARDING',
-        createdBy: userId,
-        city: data.city || '北京',
-        accountId: data.housingAccountId || null,
-      },
-    })
+      await tx.employeeHousingFundRecord.create({
+        data: {
+          orgId,
+          employeeId: emp.id,
+          startMonth: housingFundStartMonth,
+          endMonth: null,
+          base: housingFundBase,
+          changeType: 'ONBOARDING',
+          createdBy: userId,
+          city: data.city || '北京',
+          accountId: data.housingAccountId || null,
+        },
+      })
+    }
 
     await tx.salaryChangeRecord.create({
       data: {
@@ -555,12 +558,14 @@ export async function rehireEmployee(orgId: string, userId: string, id: string,
   const performanceSalaryNum = data.performanceSalary != null ? Number(data.performanceSalary) : (employee.performanceSalary ? Number(decrypt(employee.performanceSalary)) || 0 : 0)
   const newMonthlySalary = data.baseSalary != null ? baseSalaryNum + performanceSalaryNum : salaryNum
   const city = data.city || employee.city || '北京'
-  const rawSocialInsBase = data.socialInsBase != null ? Number(data.socialInsBase) : salaryNum
-  const rawHousingFundBase = data.housingFundBase != null ? Number(data.housingFundBase) : salaryNum
-  const socialInsBase = await clampSocialInsBase(orgId, rawSocialInsBase, city)
-  const housingFundBase = await clampHousingFundBase(orgId, rawHousingFundBase, city)
-  const socialInsStartMonth = data.socialInsStartMonth || newHireMonth
-  const housingFundStartMonth = data.housingFundStartMonth || newHireMonth
+  // 劳务协议/实习协议：不缴纳社保公积金
+  const isNoSocialContract = data.contract && ['LABOR', 'INTERNSHIP'].includes(data.contract.contractType)
+  const rawSocialInsBase = isNoSocialContract ? 0 : (data.socialInsBase != null ? Number(data.socialInsBase) : salaryNum)
+  const rawHousingFundBase = isNoSocialContract ? 0 : (data.housingFundBase != null ? Number(data.housingFundBase) : salaryNum)
+  const socialInsBase = isNoSocialContract ? 0 : await clampSocialInsBase(orgId, rawSocialInsBase, city)
+  const housingFundBase = isNoSocialContract ? 0 : await clampHousingFundBase(orgId, rawHousingFundBase, city)
+  const socialInsStartMonth = isNoSocialContract ? '' : (data.socialInsStartMonth || newHireMonth)
+  const housingFundStartMonth = isNoSocialContract ? '' : (data.housingFundStartMonth || newHireMonth)
   const prevHireMonth = prevMonth(newHireMonth)
 
   // 关闭旧社保缴费记录
@@ -612,33 +617,36 @@ export async function rehireEmployee(orgId: string, userId: string, id: string,
     },
   })
 
-  // 创建新社保缴费记录
-  await prisma.employeeSocialInsRecord.create({
-    data: {
-      orgId,
-      employeeId: id,
-      startMonth: socialInsStartMonth,
-      endMonth: null,
-      base: socialInsBase,
-      changeType: 'REHIRE',
-      createdBy: userId,
-      city: data.city || employee.city || '北京',
-    },
-  })
+  // 劳务/实习协议不创建社保公积金记录
+  if (!isNoSocialContract) {
+    // 创建新社保缴费记录
+    await prisma.employeeSocialInsRecord.create({
+      data: {
+        orgId,
+        employeeId: id,
+        startMonth: socialInsStartMonth,
+        endMonth: null,
+        base: socialInsBase,
+        changeType: 'REHIRE',
+        createdBy: userId,
+        city: data.city || employee.city || '北京',
+      },
+    })
 
-  // 创建新公积金缴费记录
-  await prisma.employeeHousingFundRecord.create({
-    data: {
-      orgId,
-      employeeId: id,
-      startMonth: housingFundStartMonth,
-      endMonth: null,
-      base: housingFundBase,
-      changeType: 'REHIRE',
-      createdBy: userId,
-      city: data.city || employee.city || '北京',
-    },
-  })
+    // 创建新公积金缴费记录
+    await prisma.employeeHousingFundRecord.create({
+      data: {
+        orgId,
+        employeeId: id,
+        startMonth: housingFundStartMonth,
+        endMonth: null,
+        base: housingFundBase,
+        changeType: 'REHIRE',
+        createdBy: userId,
+        city: data.city || employee.city || '北京',
+      },
+    })
+  }
 
   // 创建新薪资记录
   await prisma.salaryChangeRecord.create({
@@ -792,11 +800,43 @@ export async function updateEmployee(orgId: string, id: string, data: any) {
   if (data.isWorkInjured !== undefined) updateData.isWorkInjured = data.isWorkInjured
   if (data.socialInsBase !== undefined) {
     const city = data.city || employee.city || '北京'
-    updateData.socialInsBase = await clampSocialInsBase(orgId, Number(data.socialInsBase), city)
+    // 查询最新合同类型，劳务/实习协议强制基数为0
+    const latestContract = await prisma.laborContract.findFirst({
+      where: { employeeId: id },
+      orderBy: { createdAt: 'desc' },
+      select: { contractType: true },
+    })
+    const isNoSocial = latestContract && ['LABOR', 'INTERNSHIP'].includes(latestContract.contractType)
+    if (isNoSocial) {
+      updateData.socialInsBase = 0
+      // 关闭在保社保记录
+      const nowMonth = new Date().toISOString().slice(0, 7)
+      await prisma.employeeSocialInsRecord.updateMany({
+        where: { employeeId: id, endMonth: null },
+        data: { endMonth: nowMonth, changeType: 'TERMINATION' },
+      })
+    } else {
+      updateData.socialInsBase = await clampSocialInsBase(orgId, Number(data.socialInsBase), city)
+    }
   }
   if (data.housingFundBase !== undefined) {
     const city = data.city || employee.city || '北京'
-    updateData.housingFundBase = await clampHousingFundBase(orgId, Number(data.housingFundBase), city)
+    const latestContract = await prisma.laborContract.findFirst({
+      where: { employeeId: id },
+      orderBy: { createdAt: 'desc' },
+      select: { contractType: true },
+    })
+    const isNoSocial = latestContract && ['LABOR', 'INTERNSHIP'].includes(latestContract.contractType)
+    if (isNoSocial) {
+      updateData.housingFundBase = 0
+      const nowMonth = new Date().toISOString().slice(0, 7)
+      await prisma.employeeHousingFundRecord.updateMany({
+        where: { employeeId: id, endMonth: null },
+        data: { endMonth: nowMonth, changeType: 'TERMINATION' },
+      })
+    } else {
+      updateData.housingFundBase = await clampHousingFundBase(orgId, Number(data.housingFundBase), city)
+    }
   }
   if (data.specialDeduction !== undefined) updateData.specialDeduction = data.specialDeduction
   if (data.city !== undefined) updateData.city = data.city