refactor: split project into web and server directories

- Move frontend to web/ directory
- Add server/ directory for backend
- Restructure project for前后端分离架构

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

web/src/data/requests.js

@@ -0,0 +1,37 @@
+export const initialRequests = [
+  { id: 'REQ-2026-0418', person: '刘倩', dept: '销售 · 华东区域', entity: 'Northstar China Ltd.', range: '今日', category: '机票', amount: '¥8,460', verdict: '可通过但需备注', status: 'warning', sla: '19h', slaStatus: 'warning', risk: '改签说明缺失，公务舱价格高于差标 12%' },
+  { id: 'REQ-2026-0422', person: '韩阳', dept: '解决方案 · 北区', entity: 'Northstar China Ltd.', range: '本周', category: '酒店', amount: '¥3,280', verdict: '等待补件', status: 'warning', sla: '27h', slaStatus: 'warning', risk: '缺少出差行程单，酒店单晚超标 8%' },
+  { id: 'REQ-2026-0431', person: '王鑫', dept: '运营管理 · 总部', entity: 'Northstar Singapore Pte.', range: '本周', category: '火车/用车', amount: '¥1,224', verdict: '规则全通过', status: 'success', sla: '4h', slaStatus: 'success', risk: '无明显风险' },
+  { id: 'REQ-2026-0436', person: '陈嘉', dept: '市场 · 品牌活动', entity: 'Northstar US Inc.', range: '本月', category: '餐补及杂费', amount: '¥2,680', verdict: '建议人工复核', status: 'danger', sla: '51h', slaStatus: 'danger', risk: '发票号码重复，疑似重复报销' },
+  { id: 'REQ-2026-0441', person: '赵敏', dept: '研发 · 后端组', entity: 'Northstar China Ltd.', range: '今日', category: '酒店', amount: '¥2,940', verdict: '规则全通过', status: 'success', sla: '6h', slaStatus: 'success', risk: '无明显风险' },
+  { id: 'REQ-2026-0443', person: '周晨', dept: '销售 · 华南区域', entity: 'Northstar China Ltd.', range: '本周', category: '机票', amount: '¥6,520', verdict: '建议人工复核', status: 'danger', sla: '33h', slaStatus: 'danger', risk: '航班时间与出差申请不一致' },
+  { id: 'REQ-2026-0448', person: '李娜', dept: '客户成功 · 华北', entity: 'Northstar Singapore Pte.', range: '本周', category: '火车/用车', amount: '¥1,860', verdict: '规则全通过', status: 'success', sla: '5h', slaStatus: 'success', risk: '无明显风险' },
+  { id: 'REQ-2026-0452', person: '孙博', dept: '采购中心', entity: 'Northstar US Inc.', range: '本月', category: '酒店', amount: '¥4,780', verdict: '等待补件', status: 'warning', sla: '29h', slaStatus: 'warning', risk: '缺少住宿发票原件' },
+  { id: 'REQ-2026-0455', person: '马骁', dept: '市场 · 品牌活动', entity: 'Northstar US Inc.', range: '本月', category: '机票', amount: '¥7,340', verdict: '规则全通过', status: 'success', sla: '8h', slaStatus: 'success', risk: '无明显风险' },
+  { id: 'REQ-2026-0458', person: '高宁', dept: '运营管理 · 总部', entity: 'Northstar Singapore Pte.', range: '今日', category: '餐补及杂费', amount: '¥980', verdict: '可通过但需备注', status: 'warning', sla: '11h', slaStatus: 'warning', risk: '餐补天数与行程存在 1 天偏差' },
+  { id: 'REQ-2026-0462', person: '何川', dept: '解决方案 · 北区', entity: 'Northstar China Ltd.', range: '本月', category: '机票', amount: '¥5,460', verdict: '规则全通过', status: 'success', sla: '7h', slaStatus: 'success', risk: '无明显风险' },
+  { id: 'REQ-2026-0466', person: '宋雨', dept: '研发 · 后端组', entity: 'Northstar China Ltd.', range: '本周', category: '酒店', amount: '¥3,660', verdict: '已退回补件', status: 'danger', sla: '41h', slaStatus: 'danger', risk: '入住城市与项目地点不一致' }
+]
+
+export const documents = [
+  { id: 'DOC-2026-0401', type: '出差申请', typeTag: 'travel', applicant: '刘倩', dept: '销售 · 华东区域', date: '2026-04-18', amount: '¥8,460', status: '审批中', statusClass: 'warning', conclusion: '待审核', destination: '上海→杭州', days: 3 },
+  { id: 'DOC-2026-0402', type: '酒店预订', typeTag: 'hotel', applicant: '韩阳', dept: '解决方案 · 北区', date: '2026-04-22', amount: '¥1,280', status: '已通过', statusClass: 'success', conclusion: '规则全通过', destination: '北京·望京凯悦', days: 2 },
+  { id: 'DOC-2026-0403', type: '机票预订', typeTag: 'flight', applicant: '王鑫', dept: '运营管理 · 总部', date: '2026-04-25', amount: '¥2,340', status: '已完成', statusClass: 'success', conclusion: '合规无风险', destination: '北京→深圳', days: 1 },
+  { id: 'DOC-2026-0404', type: '出差申请', typeTag: 'travel', applicant: '陈嘉', dept: '市场 · 品牌活动', date: '2026-04-26', amount: '¥12,680', status: '待补件', statusClass: 'danger', conclusion: '需补充行程说明', destination: '上海→成都', days: 4 },
+  { id: 'DOC-2026-0405', type: '火车票预订', typeTag: 'train', applicant: '赵敏', dept: '研发 · 后端组', date: '2026-04-27', amount: '¥553', status: '审批中', statusClass: 'warning', conclusion: '待审核', destination: '杭州→南京', days: 1 },
+  { id: 'DOC-2026-0406', type: '酒店预订', typeTag: 'hotel', applicant: '刘倩', dept: '销售 · 华东区域', date: '2026-04-28', amount: '¥2,100', status: '已退回', statusClass: 'danger', conclusion: '住宿超标 23%', destination: '杭州·西湖国宾馆', days: 2 },
+  { id: 'DOC-2026-0407', type: '机票预订', typeTag: 'flight', applicant: '韩阳', dept: '解决方案 · 北区', date: '2026-04-28', amount: '¥3,800', status: '已通过', statusClass: 'success', conclusion: '规则全通过', destination: '北京→广州', days: 1 },
+  { id: 'DOC-2026-0408', type: '出差申请', typeTag: 'travel', applicant: '王鑫', dept: '运营管理 · 总部', date: '2026-04-29', amount: '¥4,200', status: '审批中', statusClass: 'warning', conclusion: '预算校验中', destination: '深圳→厦门', days: 2 }
+]
+
+export const docTypes = ['全部类型', '出差申请', '机票预订', '酒店预订', '火车票预订']
+export const docStatuses = ['全部状态', '审批中', '已通过', '已完成', '待补件', '已退回']
+export const docMonths = ['2026-04', '2026-03', '2026-02', '2026-01']
+
+export const prompts = ['生成审批意见', '列出补件清单', '解释为什么拦截', '生成审计摘要']
+
+export const initialMessages = [
+  { id: 1, role: 'agent', text: '我已读取单据、发票、行程和公司差旅制度。当前建议：可通过，但需要补充改签说明。' },
+  { id: 2, role: 'user', text: '请列出这张单据的主要风险。' },
+  { id: 3, role: 'agent', text: '主要风险：缺少改签说明，且舱位价格高于差旅标准 12%。' }
+]