feat: 20260815 系统优化 - 全部31项问题修复(P0×6+P1×14+P2×9+P3×2)

P0紧急修复(6项):
- 草稿保存完整恢复所有字段(含socialAvgWage)
- 补偿金批次从compensationBreakdown读取
- 违法解除风险确认UI
- 合同结束日期前后校验(前后端双保险)

P1高优先级(14项):
- 离职日期联动社保/公积金截止月(15号规则)
- 合规检查+工作交接改为软阻断(生成待办)
- 补偿月数(N/N+1/2N/自定义)+计算基数(近12月/合同/自定义)
- 解聘并入花名册操作栏(类型选择跳转向导)
- 合同续签开始日期自动推导(原合同结束日+1天)
- 年龄合规筛查(童工阻断/未成年工/退休警告)
- 编辑入职日期后状态联动(待入职↔在职)
- 转正移植到花名册操作栏+薪资回写
- 男职工无法选择三期

P2体验优化(9项):
- "劳动合同"调整为"用工关系"
- 费用结算新增剩余年假折算(300%日工资)
- 身份证号全域改为"证件号码"(前后端18个文件)
- 手机号查重
- 开具证明+合同续签移植到花名册操作栏
- 批量转正+批量开具证明
- 去掉用工办理模块

P3规划(2项):
- 组织架构+审批流(Department/Position/ApprovalFlow/ApprovalInstance)
- 客服工作台(Ticket/ChatSession+SUPPORT角色)

新增模型: Department/Position/ApprovalFlow/ApprovalInstance/Ticket/TicketMessage/ChatSession/ChatMessage
新增字段: Employee.departmentId/supervisorId
新增角色: SUPPORT

Generated with [Devin](https://devin.ai)

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

frontend/src/pages/roster/BasicInfo.tsx

@@ -3,6 +3,7 @@ import { useState, useRef } from "react"
 import { toast } from "sonner"
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query"
 import { attachmentApi, employeeApi, socialInsuranceApi } from '../../lib/api-services'
+import { useConfirm } from '../../hooks/useConfirm'
 import { copyToClipboard } from '../../lib/clipboard'
 import Card from "../../components/ui/Card"
 import Button from "../../components/ui/Button"
@@ -12,6 +13,7 @@ import { fmt } from "./shared"
 
 export default function BasicInfo({ profile, employeeId, attachments }: { profile: any; employeeId: string; attachments: any[] }) {
   const queryClient = useQueryClient()
+  const confirm = useConfirm()
   const [editing, setEditing] = useState(false)
   const fileInputRef = useRef<HTMLInputElement>(null)
   const [fileType, setFileType] = useState<'ID_CARD' | 'BANK_CARD' | 'EDUCATION' | 'CERTIFICATE' | 'CONTRACT' | 'PHOTO' | 'OTHER'>('ID_CARD')
@@ -109,11 +111,36 @@ export default function BasicInfo({ profile, employeeId, attachments }: { profil
     enabled: !editing && !!profile.socialInsBase && !!profile.city,
   })
 
-  const handleSave = () => {
+  const handleSave = async () => {
     if (form.city !== (profile.city || '') && !form.cityChangeReason.trim()) {
       toast.error('参保城市变更必须填写变更原因')
       return
     }
+    // 入职日期变更联动状态确认
+    const originalHireDate = profile.hireDate?.toString().slice(0, 10) || ''
+    let statusUpdate: string | undefined
+    if (form.hireDate && form.hireDate !== originalHireDate) {
+      const today = new Date()
+      today.setHours(0, 0, 0, 0)
+      const newHireDate = new Date(form.hireDate)
+      const currentStatus = profile.status || 'ACTIVE'
+      let newStatus = currentStatus
+      if (newHireDate > today) {
+        newStatus = 'PENDING_ONBOARD'
+      } else {
+        newStatus = 'ACTIVE'
+      }
+      if (newStatus !== currentStatus) {
+        const statusLabel = newStatus === 'PENDING_ONBOARD' ? '待入职' : '在职'
+        const currentLabel = currentStatus === 'PENDING_ONBOARD' ? '待入职' : currentStatus === 'ACTIVE' ? '在职' : currentStatus
+        const confirmed = await confirm({
+          title: '入职日期变更确认',
+          message: `入职日期从 ${originalHireDate} 变更为 ${form.hireDate}，员工状态将从"${currentLabel}"变更为"${statusLabel}"，是否继续？`,
+        })
+        if (!confirmed) return
+        statusUpdate = newStatus
+      }
+    }
     const data: any = {
       department: form.department,
       gender: form.gender,
@@ -137,6 +164,7 @@ export default function BasicInfo({ profile, employeeId, attachments }: { profil
       position: form.position || undefined,
       cityChangeReason: form.city !== profile.city ? form.cityChangeReason || undefined : undefined,
     }
+    if (statusUpdate) data.status = statusUpdate
     updateMutation.mutate(data)
   }
 
@@ -147,7 +175,7 @@ export default function BasicInfo({ profile, employeeId, attachments }: { profil
     ...(profile.gender === '女'
       ? [{ label: '女性岗位', value: profile.femaleWorkerType === 'CADRE' ? '干部/管理岗' : profile.femaleWorkerType === 'WORKER' ? '工人/操作岗' : '未填写' }]
       : []),
-    { label: '身份证号', value: profile.idCardNumber || '未填写' },
+    { label: '证件号码', value: profile.idCardNumber || '未填写' },
     { label: '手机号', value: profile.phone || '未填写' },
     { label: '学历', value: profile.education || '未填写' },
     { label: '职务/岗位', value: profile.position || '未填写' },
@@ -221,13 +249,13 @@ export default function BasicInfo({ profile, employeeId, attachments }: { profil
                   <span className="text-gray-500 shrink-0">{f.label}</span>
                   <span className="font-medium text-right truncate ml-2 flex items-center gap-1">
                     {f.value}
-                    {f.label === '身份证号' && profile.idCardNumber && (
+                    {f.label === '证件号码' && profile.idCardNumber && (
                       <button
                         type="button"
                         className="text-gray-400 hover:text-primary transition-colors shrink-0"
-                        title="复制身份证号"
+                        title="复制证件号码"
                         onClick={() => {
-                          copyToClipboard(profile.idCardNumber, '已复制身份证号')
+                          copyToClipboard(profile.idCardNumber, '已复制证件号码')
                         }}
                       >
                         <Copy className="w-3 h-3" />
@@ -317,7 +345,7 @@ export default function BasicInfo({ profile, employeeId, attachments }: { profil
       ) : (
         <div className="grid md:grid-cols-2 gap-3">
           <div><Label>姓名（不可编辑）</Label><Input value={profile.name} disabled /></div>
-          <div><Label>身份证号（不可编辑）</Label><Input value={profile.idCardNumber || ''} disabled /></div>
+          <div><Label>证件号码（不可编辑）</Label><Input value={profile.idCardNumber || ''} disabled /></div>
           <div><Label>部门</Label><Input value={form.department} onChange={(e) => setForm({ ...form, department: e.target.value })} /></div>
           <div><Label>性别</Label><Select value={form.gender} onChange={(e) => setForm({ ...form, gender: e.target.value as '男' | '女' })}><option value="男">男</option><option value="女">女</option></Select></div>
           {form.gender === '女' && (