feat: 细化差旅票据费用明细分类并自动计算出差补贴

将差旅费用明细拆分为火车票、机票、住宿票、乘车等细分类
型，根据票据字段自动生成行程/事由描述，结合规则引擎自
动计算出差补贴金额，前端适配费用明细编辑和差旅票据审
核交互，补充单元测试覆盖。

server/storage/expense_claims/193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.pdf.meta.json

@@ -1,88 +0,0 @@
-{
-  "file_name": "发票_3_京S98876.pdf",
-  "storage_key": "193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.pdf",
-  "media_type": "application/pdf",
-  "size_bytes": 61170,
-  "uploaded_at": "2026-05-20T12:25:49.243144+00:00",
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_storage_key": "193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.preview.png",
-  "preview_media_type": "image/png",
-  "preview_file_name": "发票_3_京S98876.preview.png",
-  "analysis": {
-    "severity": "pass",
-    "label": "AI提示符合条件",
-    "headline": "AI提示：附件符合基础校验条件",
-    "summary": "已识别到票据类型和关键字段，且符合当前费用场景的附件要求。",
-    "points": [
-      "票据类型：已识别为增值税发票。",
-      "附件类型要求：当前费用项目为交通费，已识别为增值税发票，符合当前交通费场景的附件要求。",
-      "金额字段：已识别到与当前明细接近的金额 121.54 元。"
-    ],
-    "suggestion": "建议继续核对报销分类、费用说明和业务场景是否一致。"
-  },
-  "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": "transport",
-    "current_expense_type_label": "交通费",
-    "allowed_scene_labels": [
-      "交通"
-    ],
-    "allowed_document_type_labels": [
-      "停车/通行费票据",
-      "一般收据/凭证",
-      "出租车/网约车票据",
-      "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": "high",
-    "rule_code": "rule.expense.scene_submission_standard",
-    "rule_name": "报销场景提交与附件标准",
-    "message": "当前费用项目为交通费，已识别为增值税发票，符合当前交通费场景的附件要求。"
-  },
-  "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": []
-}

server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.pdf.meta.json

@@ -1,12 +1,12 @@
 {
   "file_name": "2月20_武汉-上海.pdf",
-  "storage_key": "08f51e80-512e-498e-bcd6-50ca5d0becfc/62fe16f9-ad9f-4f96-948f-0b31a427a81d/2月20_武汉-上海.pdf",
+  "storage_key": "3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.pdf",
   "media_type": "application/pdf",
   "size_bytes": 24995,
-  "uploaded_at": "2026-05-20T13:48:21.652497+00:00",
+  "uploaded_at": "2026-05-21T01:54:55.627221+00:00",
   "previewable": true,
   "preview_kind": "image",
-  "preview_storage_key": "08f51e80-512e-498e-bcd6-50ca5d0becfc/62fe16f9-ad9f-4f96-948f-0b31a427a81d/2月20_武汉-上海.preview.png",
+  "preview_storage_key": "3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.preview.png",
   "preview_media_type": "image/png",
   "preview_file_name": "2月20_武汉-上海.preview.png",
   "analysis": {
@@ -15,7 +15,7 @@
     "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：用户填写用途“业务发生时间:2026-02-20 至 2026”与票据内容不一致，当前附件更像交通相关材料。"
+      "用途字段：用户填写用途“至 2026-02-23，支撑上海电力项目部署，”与票据内容不一致，当前附件更像交通相关材料。"
     ],
     "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。"
   },
@@ -54,15 +54,10 @@
   },
   "requirement_check": {
     "matches": true,
-    "current_expense_type": "travel",
-    "current_expense_type_label": "差旅费",
-    "allowed_scene_labels": [
-      "差旅"
-    ],
-    "allowed_document_type_labels": [
-      "机票/航班行程单",
-      "火车/高铁票"
-    ],
+    "current_expense_type": "train_ticket",
+    "current_expense_type_label": "火车票",
+    "allowed_scene_labels": [],
+    "allowed_document_type_labels": [],
     "recognized_scene_code": "travel",
     "recognized_scene_label": "差旅票据",
     "recognized_document_type": "train_ticket",
@@ -70,7 +65,7 @@
     "mismatch_severity": "high",
     "rule_code": "rule.expense.scene_submission_standard",
     "rule_name": "报销场景提交与附件标准",
-    "message": "当前费用项目为差旅费，已识别为火车/高铁票，符合当前差旅费场景的附件要求。"
+    "message": "当前费用项目为火车票，已识别为火车/高铁票。"
   },
   "ocr_status": "recognized",
   "ocr_error": "",

server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.pdf.meta.json

@@ -1,12 +1,12 @@
 {
   "file_name": "2月23_上海-武汉.pdf",
-  "storage_key": "08f51e80-512e-498e-bcd6-50ca5d0becfc/1170b632-ad59-46c0-9876-7230d9d97e30/2月23_上海-武汉.pdf",
+  "storage_key": "3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.pdf",
   "media_type": "application/pdf",
   "size_bytes": 24940,
-  "uploaded_at": "2026-05-20T13:48:38.616319+00:00",
+  "uploaded_at": "2026-05-21T01:55:11.468967+00:00",
   "previewable": true,
   "preview_kind": "image",
-  "preview_storage_key": "08f51e80-512e-498e-bcd6-50ca5d0becfc/1170b632-ad59-46c0-9876-7230d9d97e30/2月23_上海-武汉.preview.png",
+  "preview_storage_key": "3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.preview.png",
   "preview_media_type": "image/png",
   "preview_file_name": "2月23_上海-武汉.preview.png",
   "analysis": {
@@ -15,7 +15,7 @@
     "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：用户填写用途“业务发生时间:2026-02-20 至 2026”与票据内容不一致，当前附件更像交通相关材料。"
+      "用途字段：用户填写用途“至 2026-02-23，支撑上海电力项目部署，”与票据内容不一致，当前附件更像交通相关材料。"
     ],
     "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。"
   },
@@ -54,15 +54,10 @@
   },
   "requirement_check": {
     "matches": true,
-    "current_expense_type": "travel",
-    "current_expense_type_label": "差旅费",
-    "allowed_scene_labels": [
-      "差旅"
-    ],
-    "allowed_document_type_labels": [
-      "机票/航班行程单",
-      "火车/高铁票"
-    ],
+    "current_expense_type": "train_ticket",
+    "current_expense_type_label": "火车票",
+    "allowed_scene_labels": [],
+    "allowed_document_type_labels": [],
     "recognized_scene_code": "travel",
     "recognized_scene_label": "差旅票据",
     "recognized_document_type": "train_ticket",
@@ -70,7 +65,7 @@
     "mismatch_severity": "high",
     "rule_code": "rule.expense.scene_submission_standard",
     "rule_name": "报销场景提交与附件标准",
-    "message": "当前费用项目为差旅费，已识别为火车/高铁票，符合当前差旅费场景的附件要求。"
+    "message": "当前费用项目为火车票，已识别为火车/高铁票。"
   },
   "ocr_status": "recognized",
   "ocr_error": "",