feat: 增强员工管理与报销单全流程功能

- 新增员工Excel导入服务(employee_spreadsheet)及导入/导出API端点
- 员工服务增加批量创建、邮箱唯一校验、组织架构关联等能力
- 报销单提交补充身份回填、部门信息透传及预审结果展示优化
- 认证流程增加部门信息(departmentName)并在schema中同步扩展
- 用户Agent服务增加部门关联与报销单回填逻辑
- 前端员工管理页面全面重构，新增导入导出、搜索过滤、分页等功能
- 前端审批中心、审计、差旅报销等视图交互与样式优化
- 新增TableLoadingState共享组件及员工导入测试用例

server/storage/expense_claims/1e0f6a47-fba8-4da8-8748-24465bdb06f3/800c9a01-9dc5-4515-8170-d8ae02ade93e/发票_3_京S98876.pdf.meta.json

@@ -0,0 +1,84 @@
+{
+  "file_name": "发票_3_京S98876.pdf",
+  "storage_key": "1e0f6a47-fba8-4da8-8748-24465bdb06f3/800c9a01-9dc5-4515-8170-d8ae02ade93e/发票_3_京S98876.pdf",
+  "media_type": "application/pdf",
+  "size_bytes": 61170,
+  "uploaded_at": "2026-05-20T02:21:35.637474+00:00",
+  "previewable": true,
+  "preview_kind": "image",
+  "preview_storage_key": "1e0f6a47-fba8-4da8-8748-24465bdb06f3/800c9a01-9dc5-4515-8170-d8ae02ade93e/发票_3_京S98876.preview.png",
+  "preview_media_type": "image/png",
+  "preview_file_name": "发票_3_京S98876.preview.png",
+  "analysis": {
+    "severity": "medium",
+    "label": "中风险",
+    "headline": "AI提示：附件存在明显待整改项",
+    "summary": "当前附件可见部分内容，但金额、用途、日期或附件类型仍有缺失或不一致。",
+    "points": [
+      "用途字段：当前费用项目为其他，但附件内容更像住宿、交通相关票据。"
+    ],
+    "suggestion": "建议根据风险点补齐清晰票据，或修正金额、日期、费用说明后再提交。"
+  },
+  "document_info": {
+    "document_type": "vat_invoice",
+    "document_type_label": "增值税发票",
+    "scene_code": "other",
+    "scene_label": "通用发票",
+    "fields": [
+      {
+        "key": "amount",
+        "label": "金额",
+        "value": "121.54元"
+      },
+      {
+        "key": "date",
+        "label": "日期",
+        "value": "2026-03-04"
+      },
+      {
+        "key": "merchant_name",
+        "label": "商户",
+        "value": "信息"
+      },
+      {
+        "key": "invoice_number",
+        "label": "票据号码",
+        "value": "26427004426998871533"
+      }
+    ]
+  },
+  "requirement_check": {
+    "matches": true,
+    "current_expense_type": "other",
+    "current_expense_type_label": "其他费用",
+    "allowed_scene_labels": [
+      "其他票据"
+    ],
+    "allowed_document_type_labels": [
+      "一般收据/凭证",
+      "增值税发票"
+    ],
+    "recognized_scene_code": "other",
+    "recognized_scene_label": "通用发票",
+    "recognized_document_type": "vat_invoice",
+    "recognized_document_type_label": "增值税发票",
+    "mismatch_severity": "medium",
+    "rule_code": "rule.expense.scene_submission_standard",
+    "rule_name": "报销场景提交与附件标准",
+    "message": "当前费用项目为其他费用，已识别为增值税发票，符合当前其他费用场景的附件要求。"
+  },
+  "ocr_status": "recognized",
+  "ocr_error": "",
+  "ocr_text": "发票号码：26427004426998871533\n旅普发票）\n电子发票\n开票日期：2026年03月04日\n购买方信息\n名称：北京京能电力股份有限公司\n销售方信息\n名称：北京小桔科技有限公司\n统一社会信用代码/纳税人识别1:110000717734559Y\n统一社会信用代码/纳税人识别1:110108MA00293G5X\n项目名称\n单价\n数量\n金额\n税率/征收率\n税额\n*运输服务*客运服务费\n118.00\n1\n118.00\n3%\n3.54\n合\n计\n￥118.00\n￥3.54\n出行人\n有效身份证件号\n出行日期\n出发地\n到达地\n等级\n交通工具\n类\n2026-03-04\n小汤山酒店\n林萃花园南门\n网约车\n价税合计（大写）\n壹佰贰拾壹圆伍角肆分\n(小写)￥121.54\n购方开户银行：-；\n银行账号：-;\n备注\n销方开户银行：中国建设银行北京中关村支行；\n银行账号：11001006500059041897;\n开票人：系统自动开票",
+  "ocr_summary": "发票号码：26427004426998871533；旅普发票）；电子发票",
+  "ocr_avg_score": 0.9825071743194093,
+  "ocr_line_count": 47,
+  "ocr_classification_source": "rule",
+  "ocr_classification_confidence": 0.74,
+  "ocr_classification_evidence": [
+    "发票号码",
+    "价税合计",
+    "电子发票"
+  ],
+  "ocr_warnings": []
+}