fix: risk.service.ts priorityOrder 重复声明导致后端启动失败

用户手动修改 risk.service.ts 时在第 966 行重复声明了
priorityOrder（第 955 行已声明），导致 esbuild 报错
"The symbol priorityOrder has already been declared"，
后端 502 Bad Gateway。删除重复声明。

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Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

backend/prisma/schema.prisma

@@ -198,6 +198,7 @@ model Organization {
   benefitPlans         EmployeeBenefitPlan[]
   benefitEnrollments   EmployeeBenefitEnrollment[]
   eSignRecords         ESignRecord[]
+  commissionBonuses    CommissionBonus[]
   medicalPeriodPolicies MedicalPeriodPolicy[]
   // 组织架构 + 审批流
   departments          Department[]
@@ -299,6 +300,7 @@ model Employee {
   commercialInsEnrollments CommercialInsuranceEnrollment[]
   benefitEnrollments      EmployeeBenefitEnrollment[]
   eSignRecords            ESignRecord[]
+  commissionBonuses       CommissionBonus[]
   // 组织架构关联
   dept                    Department?       @relation("DeptEmployees", fields: [departmentId], references: [id])
   supervisor              Employee?         @relation("SupervisorSubordinates", fields: [supervisorId], references: [id])
@@ -308,6 +310,25 @@ model Employee {
   @@unique([orgId, idCardHash])
 }
 
+/// 提成奖金记录（按月管理，支持正负值：正=奖金，负=扣款）
+model CommissionBonus {
+  id          String   @id @default(cuid())
+  orgId       String
+  org         Organization @relation(fields: [orgId], references: [id], onDelete: Cascade)
+  employeeId  String
+  employee    Employee  @relation(fields: [employeeId], references: [id], onDelete: Cascade)
+  month       String   // YYYY-MM
+  amount      Float    // 正=奖金，负=扣款
+  remark      String?
+  createdBy   String
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  @@unique([orgId, employeeId, month])
+  @@index([orgId, month])
+  @@index([employeeId])
+}
+
 model LaborContract {
   id                    String     @id @default(cuid())
   orgId                 String