feat: 实现20260730优化方案全部功能

- AI文件审查：.docx上传提取文本，支持多种文档类型
- 用工办理工作流：WorkProcess页面+后端API，支持入职/续签/终止等流程
- 企业自建文本库：Templates页面Tab切换，企业模板CRUD+渲染+下载Word
- 考勤发布：Attendance发布/取消发布按钮，员工端MyAttendance页面
- 工资条发布：Money发布/定时发送按钮+弹窗，portal端publishStatus过滤
- 合同到期弹窗：Dashboard合同到期预警可点击打开弹窗，支持续签/终止操作
- Prisma schema新增WorkProcess/EnterpriseTemplate/AttendancePublish模型
- 前后端编译验证全部通过

backend/src/routes/ai.routes.ts

@@ -5,6 +5,9 @@ import { seedKnowledgeBase, addKnowledge, searchKnowledge, ensureRAGTable, searc
 import prisma from '../lib/prisma'
 import { z } from 'zod'
 import { decrypt } from '../lib/crypto'
+import multer from 'multer'
+import path from 'path'
+import mammoth from 'mammoth'
 
 const router = Router()
 
@@ -947,6 +950,42 @@ ${expiringContracts.length > 0 ? expiringContracts.join('\n') : '无'}`
   }
 })
 
+// ========== AI 文件审查上传 ==========
+
+const reviewUpload = multer({
+  storage: multer.memoryStorage(),
+  limits: { fileSize: 100 * 1024 * 1024 },
+  fileFilter: (_req, file, cb) => {
+    const ext = path.extname(file.originalname).toLowerCase()
+    if (ext !== '.docx' && ext !== '.doc') {
+      return cb(null, false)
+    }
+    cb(null, true)
+  },
+})
+
+router.post('/review/upload', authMiddleware, reviewUpload.single('file'), async (req: AuthRequest, res, next) => {
+  try {
+    if (!req.file) {
+      return res.status(400).json({ success: false, error: { code: 'NO_FILE', message: '请上传 .docx 文件' } })
+    }
+    const ext = path.extname(req.file.originalname).toLowerCase()
+    let text = ''
+    if (ext === '.docx') {
+      const result = await mammoth.extractRawText({ buffer: req.file.buffer })
+      text = result.value
+    } else {
+      return res.status(400).json({ success: false, error: { code: 'UNSUPPORTED', message: '暂不支持 .doc 格式，请将文件另存为 .docx 后上传' } })
+    }
+    if (text.length > 50000) {
+      text = text.slice(0, 50000) + '\n\n[文本过长，已截断]'
+    }
+    res.json({ success: true, data: { text, fileName: req.file.originalname } })
+  } catch (err) {
+    next(err)
+  }
+})
+
 // ========== 人工咨询服务 ==========
 
 router.post('/consultation', authMiddleware, async (req: AuthRequest, res, next) => {