diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/0c2b040a-7b4d-49e3-b889-e39aeda53eec/2月23_上海-武汉.pdf b/server/storage/receipt_folder/caoxiaozhu_xf.com/0c2b040a-7b4d-49e3-b889-e39aeda53eec/2月23_上海-武汉.pdf
deleted file mode 100644
index d516ecb..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/0c2b040a-7b4d-49e3-b889-e39aeda53eec/2月23_上海-武汉.pdf and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/0c2b040a-7b4d-49e3-b889-e39aeda53eec/meta.json b/server/storage/receipt_folder/caoxiaozhu_xf.com/0c2b040a-7b4d-49e3-b889-e39aeda53eec/meta.json
deleted file mode 100644
index d36040a..0000000
--- a/server/storage/receipt_folder/caoxiaozhu_xf.com/0c2b040a-7b4d-49e3-b889-e39aeda53eec/meta.json
+++ /dev/null
@@ -1,122 +0,0 @@
-{
-  "id": "0c2b040a-7b4d-49e3-b889-e39aeda53eec",
-  "owner_key": "caoxiaozhu_xf.com",
-  "file_name": "2月23_上海-武汉.pdf",
-  "source_file_name": "2月23_上海-武汉.pdf",
-  "media_type": "application/pdf",
-  "size_bytes": 24940,
-  "file_sha256": "203b92047a43cb41fe2fc0dffcc27da8f1eaebd651494b63badd74c24171a150",
-  "uploaded_at": "2026-06-15T12:22:13.537867+00:00",
-  "status": "linked",
-  "linked_claim_id": "e498fc3d-a4b5-40e6-8725-36a0f8476a81",
-  "linked_claim_no": "RE-20260615120435-R5AYFCFZ",
-  "linked_item_id": "8d37d92c-0dfe-46ae-82b4-126446b3d39b",
-  "linked_at": "2026-06-15T12:22:13.537867+00:00",
-  "engine": "paddleocr_mobile",
-  "model": "PP-OCRv5_mobile",
-  "ocr_text": "电子发票\n（铁路电子客票）\n州\n国家税务总局\n发票号码：26319166100006175398\n开票日期:2026年05月18日\n上海市税务局\n上海虹桥站\n武汉站\nG456\nShanghaihongqiao\nWuhan\n2026年02月23日\n13:54开\n12车08B号\n二等座\n票价：￥354.00\n4201061987****1615\n曹笑竹\n电子客票号：6610061086021394837402026\n购买方名称:曹笑竹\n统一社会信用代码：\n买票请到12306发货请到95306\n中国铁路祝您旅途愉快",
-  "summary": "电子发票；（铁路电子客票）；州",
-  "ocr_avg_score": 0.9620034111042818,
-  "ocr_line_count": 24,
-  "page_count": 1,
-  "document_type": "train_ticket",
-  "document_type_label": "火车/高铁票",
-  "scene_code": "travel",
-  "scene_label": "差旅票据",
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.88,
-  "ocr_classification_evidence": [
-    "铁路电子客票",
-    "电子客票",
-    "铁路",
-    "二等座"
-  ],
-  "document_fields": [
-    {
-      "key": "amount",
-      "label": "金额",
-      "value": "354元"
-    },
-    {
-      "key": "date",
-      "label": "列车出发时间",
-      "value": "2026-02-23 13:54"
-    },
-    {
-      "key": "merchant_name",
-      "label": "商户",
-      "value": "中国铁路"
-    },
-    {
-      "key": "invoice_number",
-      "label": "票据号码",
-      "value": "26319166100006175398"
-    },
-    {
-      "key": "route",
-      "label": "行程",
-      "value": "上海-武汉"
-    },
-    {
-      "key": "invoice_date",
-      "label": "开票日期",
-      "value": "2026-05-18"
-    },
-    {
-      "key": "departure_station",
-      "label": "出发地点",
-      "value": "上海虹桥"
-    },
-    {
-      "key": "arrival_station",
-      "label": "到达地点",
-      "value": "武汉"
-    },
-    {
-      "key": "train_no",
-      "label": "车次",
-      "value": "G456"
-    },
-    {
-      "key": "passenger_name",
-      "label": "乘车人",
-      "value": "曹笑竹"
-    },
-    {
-      "key": "id_number",
-      "label": "身份证号",
-      "value": "4201061987****1615"
-    },
-    {
-      "key": "electronic_ticket_no",
-      "label": "电子客票号",
-      "value": "6610061086021394837402026"
-    },
-    {
-      "key": "seat_class",
-      "label": "席别",
-      "value": "二等座"
-    },
-    {
-      "key": "carriage_no",
-      "label": "车厢",
-      "value": "12车"
-    },
-    {
-      "key": "seat_no",
-      "label": "座位号",
-      "value": "08B"
-    },
-    {
-      "key": "fare",
-      "label": "票价",
-      "value": "354.00元"
-    }
-  ],
-  "editable_fields": {},
-  "ocr_warnings": [],
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_file_name": "preview.png",
-  "preview_media_type": "image/png"
-}
\ No newline at end of file
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/0c2b040a-7b4d-49e3-b889-e39aeda53eec/preview.png b/server/storage/receipt_folder/caoxiaozhu_xf.com/0c2b040a-7b4d-49e3-b889-e39aeda53eec/preview.png
deleted file mode 100644
index 099413e..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/0c2b040a-7b4d-49e3-b889-e39aeda53eec/preview.png and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/1dedc126-9719-40cf-8c02-7b644d62019e/2月21日_上海-深圳.png b/server/storage/receipt_folder/caoxiaozhu_xf.com/1dedc126-9719-40cf-8c02-7b644d62019e/2月21日_上海-深圳.png
deleted file mode 100644
index 2a447b1..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/1dedc126-9719-40cf-8c02-7b644d62019e/2月21日_上海-深圳.png and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/1dedc126-9719-40cf-8c02-7b644d62019e/meta.json b/server/storage/receipt_folder/caoxiaozhu_xf.com/1dedc126-9719-40cf-8c02-7b644d62019e/meta.json
deleted file mode 100644
index e9630e4..0000000
--- a/server/storage/receipt_folder/caoxiaozhu_xf.com/1dedc126-9719-40cf-8c02-7b644d62019e/meta.json
+++ /dev/null
@@ -1,106 +0,0 @@
-{
-  "id": "1dedc126-9719-40cf-8c02-7b644d62019e",
-  "owner_key": "caoxiaozhu_xf.com",
-  "file_name": "2月21日_上海-深圳.png",
-  "source_file_name": "2月21日_上海-深圳.png",
-  "media_type": "image/png",
-  "size_bytes": 1500480,
-  "file_sha256": "74dc6598a21fcd581a4e7370612b3dc75133f6e128aa219220606df3d293caa7",
-  "uploaded_at": "2026-06-15T12:32:42.695935+00:00",
-  "status": "linked",
-  "linked_claim_id": "e498fc3d-a4b5-40e6-8725-36a0f8476a81",
-  "linked_claim_no": "RE-20260615120435-R5AYFCFZ",
-  "linked_item_id": "999f2e09-a4a2-48b9-8b5a-a970c8f6f2e7",
-  "linked_at": "2026-06-15T12:32:42.695935+00:00",
-  "engine": "paddleocr_mobile",
-  "model": "PP-OCRv5_mobile",
-  "ocr_text": "行程单示意\n出票渠道：示例平台\n非官方车票\n不可报销\n仅供演示\n创建日期：2026年02月15日\nQ\n订单号：DEMO202602210001\n单据编号：DEMO-IT-000001\n上海虹桥\nG999\n深圳北\n站\n站\nShanghaihongqiao\nShenzhenbei\n2026年02月21日\n08:30出发\n全程约7小时30分\n15:00到达\nDEMO\n乘客：示例旅客\n车厢：05车\n席别：二等座\n-\n扫码无效\n证件号：310101199001010000\n座位：08A\n票价：￥438.00\n仅为演示\n乘车提示：请提前到达车站，预留充足时间办理安检及检票。\n温馨提示：此行程单仅供演示使用，不具备法律效力。\n本行程单为演示用途，信息为虚构示例，非真实有效凭证\n★★★仅供演示使用★★★",
-  "summary": "行程单示意；出票渠道：示例平台；非官方车票",
-  "ocr_avg_score": 0.958684408927665,
-  "ocr_line_count": 34,
-  "page_count": 1,
-  "document_type": "train_ticket",
-  "document_type_label": "火车/高铁票",
-  "scene_code": "travel",
-  "scene_label": "差旅票据",
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.74,
-  "ocr_classification_evidence": [
-    "检票",
-    "二等座",
-    "票价"
-  ],
-  "document_fields": [
-    {
-      "key": "amount",
-      "label": "金额",
-      "value": "438元"
-    },
-    {
-      "key": "date",
-      "label": "列车出发时间",
-      "value": "2026-02-21 08:30"
-    },
-    {
-      "key": "invoice_number",
-      "label": "票据号码",
-      "value": "DEMO202602210001"
-    },
-    {
-      "key": "route",
-      "label": "行程",
-      "value": "上海-深圳"
-    },
-    {
-      "key": "departure_station",
-      "label": "出发地点",
-      "value": "二等座"
-    },
-    {
-      "key": "arrival_station",
-      "label": "到达地点",
-      "value": "扫码无效"
-    },
-    {
-      "key": "train_no",
-      "label": "车次",
-      "value": "G999"
-    },
-    {
-      "key": "passenger_name",
-      "label": "乘车人",
-      "value": "座位"
-    },
-    {
-      "key": "id_number",
-      "label": "身份证号",
-      "value": "310101199001010000"
-    },
-    {
-      "key": "seat_class",
-      "label": "席别",
-      "value": "二等座"
-    },
-    {
-      "key": "carriage_no",
-      "label": "车厢",
-      "value": "05车"
-    },
-    {
-      "key": "seat_no",
-      "label": "座位号",
-      "value": "08A"
-    },
-    {
-      "key": "fare",
-      "label": "票价",
-      "value": "438.00元"
-    }
-  ],
-  "editable_fields": {},
-  "ocr_warnings": [],
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_file_name": "preview.png",
-  "preview_media_type": "image/png"
-}
\ No newline at end of file
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/1dedc126-9719-40cf-8c02-7b644d62019e/preview.png b/server/storage/receipt_folder/caoxiaozhu_xf.com/1dedc126-9719-40cf-8c02-7b644d62019e/preview.png
deleted file mode 100644
index 2a447b1..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/1dedc126-9719-40cf-8c02-7b644d62019e/preview.png and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/1e92ef32-e1a8-4724-a60e-e0b3b93588c3/2月23_上海-武汉.pdf b/server/storage/receipt_folder/caoxiaozhu_xf.com/1e92ef32-e1a8-4724-a60e-e0b3b93588c3/2月23_上海-武汉.pdf
deleted file mode 100644
index d516ecb..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/1e92ef32-e1a8-4724-a60e-e0b3b93588c3/2月23_上海-武汉.pdf and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/1e92ef32-e1a8-4724-a60e-e0b3b93588c3/meta.json b/server/storage/receipt_folder/caoxiaozhu_xf.com/1e92ef32-e1a8-4724-a60e-e0b3b93588c3/meta.json
deleted file mode 100644
index 91c2f05..0000000
--- a/server/storage/receipt_folder/caoxiaozhu_xf.com/1e92ef32-e1a8-4724-a60e-e0b3b93588c3/meta.json
+++ /dev/null
@@ -1,122 +0,0 @@
-{
-  "id": "1e92ef32-e1a8-4724-a60e-e0b3b93588c3",
-  "owner_key": "caoxiaozhu_xf.com",
-  "file_name": "2月23_上海-武汉.pdf",
-  "source_file_name": "2月23_上海-武汉.pdf",
-  "media_type": "application/pdf",
-  "size_bytes": 24940,
-  "file_sha256": "203b92047a43cb41fe2fc0dffcc27da8f1eaebd651494b63badd74c24171a150",
-  "uploaded_at": "2026-06-15T12:20:49.368603+00:00",
-  "status": "linked",
-  "linked_claim_id": "e498fc3d-a4b5-40e6-8725-36a0f8476a81",
-  "linked_claim_no": "RE-20260615120435-R5AYFCFZ",
-  "linked_item_id": "31514799-5fd6-411b-b53a-2febc24cd24e",
-  "linked_at": "2026-06-15T12:20:49.368603+00:00",
-  "engine": "paddleocr_mobile",
-  "model": "PP-OCRv5_mobile",
-  "ocr_text": "电子发票\n（铁路电子客票）\n州\n国家税务总局\n发票号码：26319166100006175398\n开票日期:2026年05月18日\n上海市税务局\n上海虹桥站\n武汉站\nG456\nShanghaihongqiao\nWuhan\n2026年02月23日\n13:54开\n12车08B号\n二等座\n票价：￥354.00\n4201061987****1615\n曹笑竹\n电子客票号：6610061086021394837402026\n购买方名称:曹笑竹\n统一社会信用代码：\n买票请到12306发货请到95306\n中国铁路祝您旅途愉快",
-  "summary": "电子发票；（铁路电子客票）；州",
-  "ocr_avg_score": 0.9620034111042818,
-  "ocr_line_count": 24,
-  "page_count": 1,
-  "document_type": "train_ticket",
-  "document_type_label": "火车/高铁票",
-  "scene_code": "travel",
-  "scene_label": "差旅票据",
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.88,
-  "ocr_classification_evidence": [
-    "铁路电子客票",
-    "电子客票",
-    "铁路",
-    "二等座"
-  ],
-  "document_fields": [
-    {
-      "key": "amount",
-      "label": "金额",
-      "value": "354元"
-    },
-    {
-      "key": "date",
-      "label": "列车出发时间",
-      "value": "2026-02-23 13:54"
-    },
-    {
-      "key": "merchant_name",
-      "label": "商户",
-      "value": "中国铁路"
-    },
-    {
-      "key": "invoice_number",
-      "label": "票据号码",
-      "value": "26319166100006175398"
-    },
-    {
-      "key": "route",
-      "label": "行程",
-      "value": "上海-武汉"
-    },
-    {
-      "key": "invoice_date",
-      "label": "开票日期",
-      "value": "2026-05-18"
-    },
-    {
-      "key": "departure_station",
-      "label": "出发地点",
-      "value": "上海虹桥"
-    },
-    {
-      "key": "arrival_station",
-      "label": "到达地点",
-      "value": "武汉"
-    },
-    {
-      "key": "train_no",
-      "label": "车次",
-      "value": "G456"
-    },
-    {
-      "key": "passenger_name",
-      "label": "乘车人",
-      "value": "曹笑竹"
-    },
-    {
-      "key": "id_number",
-      "label": "身份证号",
-      "value": "4201061987****1615"
-    },
-    {
-      "key": "electronic_ticket_no",
-      "label": "电子客票号",
-      "value": "6610061086021394837402026"
-    },
-    {
-      "key": "seat_class",
-      "label": "席别",
-      "value": "二等座"
-    },
-    {
-      "key": "carriage_no",
-      "label": "车厢",
-      "value": "12车"
-    },
-    {
-      "key": "seat_no",
-      "label": "座位号",
-      "value": "08B"
-    },
-    {
-      "key": "fare",
-      "label": "票价",
-      "value": "354.00元"
-    }
-  ],
-  "editable_fields": {},
-  "ocr_warnings": [],
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_file_name": "preview.png",
-  "preview_media_type": "image/png"
-}
\ No newline at end of file
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/1e92ef32-e1a8-4724-a60e-e0b3b93588c3/preview.png b/server/storage/receipt_folder/caoxiaozhu_xf.com/1e92ef32-e1a8-4724-a60e-e0b3b93588c3/preview.png
deleted file mode 100644
index 099413e..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/1e92ef32-e1a8-4724-a60e-e0b3b93588c3/preview.png and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/27cbaab2-e421-4794-a09a-a60c4ca329b3/meta.json b/server/storage/receipt_folder/caoxiaozhu_xf.com/27cbaab2-e421-4794-a09a-a60c4ca329b3/meta.json
deleted file mode 100644
index 27c93c9..0000000
--- a/server/storage/receipt_folder/caoxiaozhu_xf.com/27cbaab2-e421-4794-a09a-a60c4ca329b3/meta.json
+++ /dev/null
@@ -1,56 +0,0 @@
-{
-  "id": "27cbaab2-e421-4794-a09a-a60c4ca329b3",
-  "owner_key": "caoxiaozhu_xf.com",
-  "file_name": "酒店3.jpg",
-  "source_file_name": "酒店3.jpg",
-  "media_type": "image/jpeg",
-  "size_bytes": 153582,
-  "file_sha256": "903e41fbf4c156288748330365b7411ca43d89cee17f5737bc4e76c007041a6b",
-  "uploaded_at": "2026-06-15T12:23:31.694634+00:00",
-  "status": "linked",
-  "linked_claim_id": "e498fc3d-a4b5-40e6-8725-36a0f8476a81",
-  "linked_claim_no": "RE-20260615120435-R5AYFCFZ",
-  "linked_item_id": "4e9534f4-2e81-4ff3-82dc-8c60f53d5637",
-  "linked_at": "2026-06-15T12:23:31.694634+00:00",
-  "engine": "paddleocr_mobile",
-  "model": "PP-OCRv5_mobile",
-  "ocr_text": "上海喜来登酒店（样例）\n住宿费用单\n单据编号：SH-SAMPLE-20260223-001\n开单期：2026年223\n宾客姓名：曹笑\n住期：2026年220\n离店期：2026年223\n住晚数：3晚\n房型：豪华床房\n房号：1808\n项目\n日期\n数量\n单价\n金额\n备注\n住宿费\n2026-02-20至2026-02-22\n3晚\n￥362/晚\n￥1086\n豪华大床房\n金额大写：壹仟零捌拾陆元整\n合计：￥1086\n备注：\n1.如有疑问，请致电前台：021-28958888。\n2.退房时间为中午12：00，超时退房将按酒店规定收取相关费用。\n3.感谢您的下榻，期待您的再次光临！\n酒店地址：上海市浦东新区银城中路88号 邮编：200120\n样例票据|仅供系统测试|无效凭证",
-  "summary": "上海喜来登酒店（样例）；住宿费用单；单据编号：SH-SAMPLE-20260223-001",
-  "ocr_avg_score": 0.9887906948725382,
-  "ocr_line_count": 30,
-  "page_count": 1,
-  "document_type": "hotel_invoice",
-  "document_type_label": "酒店住宿票据",
-  "scene_code": "hotel",
-  "scene_label": "住宿票据",
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.71,
-  "ocr_classification_evidence": [
-    "住宿",
-    "离店",
-    "酒店"
-  ],
-  "document_fields": [
-    {
-      "key": "amount",
-      "label": "金额",
-      "value": "1086元"
-    },
-    {
-      "key": "date",
-      "label": "日期",
-      "value": "2026-02-20"
-    },
-    {
-      "key": "merchant_name",
-      "label": "商户",
-      "value": "上海喜来登酒店"
-    }
-  ],
-  "editable_fields": {},
-  "ocr_warnings": [],
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_file_name": "preview.jpg",
-  "preview_media_type": "image/jpeg"
-}
\ No newline at end of file
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/27cbaab2-e421-4794-a09a-a60c4ca329b3/preview.jpg b/server/storage/receipt_folder/caoxiaozhu_xf.com/27cbaab2-e421-4794-a09a-a60c4ca329b3/preview.jpg
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diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/27cbaab2-e421-4794-a09a-a60c4ca329b3/酒店3.jpg b/server/storage/receipt_folder/caoxiaozhu_xf.com/27cbaab2-e421-4794-a09a-a60c4ca329b3/酒店3.jpg
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diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/3146453b-8374-406c-939b-3d50d6aa1fc3/2月23_上海-武汉.pdf b/server/storage/receipt_folder/caoxiaozhu_xf.com/3146453b-8374-406c-939b-3d50d6aa1fc3/2月23_上海-武汉.pdf
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diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/3146453b-8374-406c-939b-3d50d6aa1fc3/meta.json b/server/storage/receipt_folder/caoxiaozhu_xf.com/3146453b-8374-406c-939b-3d50d6aa1fc3/meta.json
deleted file mode 100644
index 9d9c4af..0000000
--- a/server/storage/receipt_folder/caoxiaozhu_xf.com/3146453b-8374-406c-939b-3d50d6aa1fc3/meta.json
+++ /dev/null
@@ -1,122 +0,0 @@
-{
-  "id": "3146453b-8374-406c-939b-3d50d6aa1fc3",
-  "owner_key": "caoxiaozhu_xf.com",
-  "file_name": "2月23_上海-武汉.pdf",
-  "source_file_name": "2月23_上海-武汉.pdf",
-  "media_type": "application/pdf",
-  "size_bytes": 24940,
-  "file_sha256": "203b92047a43cb41fe2fc0dffcc27da8f1eaebd651494b63badd74c24171a150",
-  "uploaded_at": "2026-06-15T12:06:10.650184+00:00",
-  "status": "linked",
-  "linked_claim_id": "e498fc3d-a4b5-40e6-8725-36a0f8476a81",
-  "linked_claim_no": "RE-20260615120435-R5AYFCFZ",
-  "linked_item_id": "8269f611-2e96-4b15-b89e-853bb7c36def",
-  "linked_at": "2026-06-15T12:06:10.650184+00:00",
-  "engine": "paddleocr_mobile",
-  "model": "PP-OCRv5_mobile",
-  "ocr_text": "电子发票\n（铁路电子客票）\n州\n国家税务总局\n发票号码：26319166100006175398\n开票日期:2026年05月18日\n上海市税务局\n上海虹桥站\n武汉站\nG456\nShanghaihongqiao\nWuhan\n2026年02月23日\n13:54开\n12车08B号\n二等座\n票价：￥354.00\n4201061987****1615\n曹笑竹\n电子客票号：6610061086021394837402026\n购买方名称:曹笑竹\n统一社会信用代码：\n买票请到12306发货请到95306\n中国铁路祝您旅途愉快",
-  "summary": "电子发票；（铁路电子客票）；州",
-  "ocr_avg_score": 0.9620034111042818,
-  "ocr_line_count": 24,
-  "page_count": 1,
-  "document_type": "train_ticket",
-  "document_type_label": "火车/高铁票",
-  "scene_code": "travel",
-  "scene_label": "差旅票据",
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.88,
-  "ocr_classification_evidence": [
-    "铁路电子客票",
-    "电子客票",
-    "铁路",
-    "二等座"
-  ],
-  "document_fields": [
-    {
-      "key": "amount",
-      "label": "金额",
-      "value": "354元"
-    },
-    {
-      "key": "date",
-      "label": "列车出发时间",
-      "value": "2026-02-23 13:54"
-    },
-    {
-      "key": "merchant_name",
-      "label": "商户",
-      "value": "中国铁路"
-    },
-    {
-      "key": "invoice_number",
-      "label": "票据号码",
-      "value": "26319166100006175398"
-    },
-    {
-      "key": "route",
-      "label": "行程",
-      "value": "上海-武汉"
-    },
-    {
-      "key": "invoice_date",
-      "label": "开票日期",
-      "value": "2026-05-18"
-    },
-    {
-      "key": "departure_station",
-      "label": "出发地点",
-      "value": "上海虹桥"
-    },
-    {
-      "key": "arrival_station",
-      "label": "到达地点",
-      "value": "武汉"
-    },
-    {
-      "key": "train_no",
-      "label": "车次",
-      "value": "G456"
-    },
-    {
-      "key": "passenger_name",
-      "label": "乘车人",
-      "value": "曹笑竹"
-    },
-    {
-      "key": "id_number",
-      "label": "身份证号",
-      "value": "4201061987****1615"
-    },
-    {
-      "key": "electronic_ticket_no",
-      "label": "电子客票号",
-      "value": "6610061086021394837402026"
-    },
-    {
-      "key": "seat_class",
-      "label": "席别",
-      "value": "二等座"
-    },
-    {
-      "key": "carriage_no",
-      "label": "车厢",
-      "value": "12车"
-    },
-    {
-      "key": "seat_no",
-      "label": "座位号",
-      "value": "08B"
-    },
-    {
-      "key": "fare",
-      "label": "票价",
-      "value": "354.00元"
-    }
-  ],
-  "editable_fields": {},
-  "ocr_warnings": [],
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_file_name": "preview.png",
-  "preview_media_type": "image/png"
-}
\ No newline at end of file
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/3146453b-8374-406c-939b-3d50d6aa1fc3/preview.png b/server/storage/receipt_folder/caoxiaozhu_xf.com/3146453b-8374-406c-939b-3d50d6aa1fc3/preview.png
deleted file mode 100644
index 099413e..0000000
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diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/33a1c4b9-56e1-49d1-823e-5cb4680f5a40/2月20_武汉-上海.pdf b/server/storage/receipt_folder/caoxiaozhu_xf.com/33a1c4b9-56e1-49d1-823e-5cb4680f5a40/2月20_武汉-上海.pdf
deleted file mode 100644
index b2207b8..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/33a1c4b9-56e1-49d1-823e-5cb4680f5a40/2月20_武汉-上海.pdf and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/33a1c4b9-56e1-49d1-823e-5cb4680f5a40/meta.json b/server/storage/receipt_folder/caoxiaozhu_xf.com/33a1c4b9-56e1-49d1-823e-5cb4680f5a40/meta.json
deleted file mode 100644
index 078471c..0000000
--- a/server/storage/receipt_folder/caoxiaozhu_xf.com/33a1c4b9-56e1-49d1-823e-5cb4680f5a40/meta.json
+++ /dev/null
@@ -1,121 +0,0 @@
-{
-  "id": "33a1c4b9-56e1-49d1-823e-5cb4680f5a40",
-  "owner_key": "caoxiaozhu_xf.com",
-  "file_name": "2月20_武汉-上海.pdf",
-  "source_file_name": "2月20_武汉-上海.pdf",
-  "media_type": "application/pdf",
-  "size_bytes": 24995,
-  "uploaded_at": "2026-06-03T08:39:19.288158+00:00",
-  "status": "linked",
-  "linked_claim_id": "2ad80b25-b153-407e-91be-ed2651045fb1",
-  "linked_claim_no": "RE-20260603083825-876B85XW",
-  "linked_item_id": "eb1e9fde-b7e8-4f6e-823f-d8252489e7f9",
-  "linked_at": "2026-06-03T08:39:19.288158+00:00",
-  "engine": "paddleocr_mobile",
-  "model": "PP-OCRv5_mobile",
-  "ocr_text": "电子发票\n（铁路电子客票)\n州\n国家税务总局\n发票号码：26429165800002785705\n湖北省税务局\n开票日期:2026年05月18日\n武汉站\n上海虹桥站\nG458\nWuhan\nShanghaihongqiao\n2026年02月20日\n07:55开\n06车01B号\n二等座\n票价：￥354.00\n4201061987****1615\n曹笑竹\n电子客票号：6580061086021391007342026\n购买方名称:曹笑竹\n统一社会信用代码：\n买票请到12306发货请到95306\n中国铁路祝您旅途愉快",
-  "summary": "电子发票；（铁路电子客票)；州",
-  "ocr_avg_score": 0.9580968717734019,
-  "ocr_line_count": 24,
-  "page_count": 1,
-  "document_type": "train_ticket",
-  "document_type_label": "火车/高铁票",
-  "scene_code": "travel",
-  "scene_label": "差旅票据",
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.88,
-  "ocr_classification_evidence": [
-    "铁路电子客票",
-    "电子客票",
-    "铁路",
-    "二等座"
-  ],
-  "document_fields": [
-    {
-      "key": "amount",
-      "label": "金额",
-      "value": "354元"
-    },
-    {
-      "key": "date",
-      "label": "列车出发时间",
-      "value": "2026-02-20 07:55"
-    },
-    {
-      "key": "merchant_name",
-      "label": "商户",
-      "value": "中国铁路"
-    },
-    {
-      "key": "invoice_number",
-      "label": "票据号码",
-      "value": "26429165800002785705"
-    },
-    {
-      "key": "route",
-      "label": "行程",
-      "value": "武汉-上海"
-    },
-    {
-      "key": "invoice_date",
-      "label": "开票日期",
-      "value": "2026-05-18"
-    },
-    {
-      "key": "departure_station",
-      "label": "出发地点",
-      "value": "武汉"
-    },
-    {
-      "key": "arrival_station",
-      "label": "到达地点",
-      "value": "上海虹桥"
-    },
-    {
-      "key": "train_no",
-      "label": "车次",
-      "value": "G458"
-    },
-    {
-      "key": "passenger_name",
-      "label": "乘车人",
-      "value": "曹笑竹"
-    },
-    {
-      "key": "id_number",
-      "label": "身份证号",
-      "value": "4201061987****1615"
-    },
-    {
-      "key": "electronic_ticket_no",
-      "label": "电子客票号",
-      "value": "6580061086021391007342026"
-    },
-    {
-      "key": "seat_class",
-      "label": "席别",
-      "value": "二等座"
-    },
-    {
-      "key": "carriage_no",
-      "label": "车厢",
-      "value": "06车"
-    },
-    {
-      "key": "seat_no",
-      "label": "座位号",
-      "value": "01B"
-    },
-    {
-      "key": "fare",
-      "label": "票价",
-      "value": "354.00元"
-    }
-  ],
-  "editable_fields": {},
-  "ocr_warnings": [],
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_file_name": "preview.png",
-  "preview_media_type": "image/png"
-}
\ No newline at end of file
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/33a1c4b9-56e1-49d1-823e-5cb4680f5a40/preview.png b/server/storage/receipt_folder/caoxiaozhu_xf.com/33a1c4b9-56e1-49d1-823e-5cb4680f5a40/preview.png
deleted file mode 100644
index 0bdfb91..0000000
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diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/62202861-bd00-4538-9278-e89ca5c62abb/2月22日_深圳-上海.png b/server/storage/receipt_folder/caoxiaozhu_xf.com/62202861-bd00-4538-9278-e89ca5c62abb/2月22日_深圳-上海.png
deleted file mode 100644
index 31cebb2..0000000
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diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/62202861-bd00-4538-9278-e89ca5c62abb/meta.json b/server/storage/receipt_folder/caoxiaozhu_xf.com/62202861-bd00-4538-9278-e89ca5c62abb/meta.json
deleted file mode 100644
index 1b874d2..0000000
--- a/server/storage/receipt_folder/caoxiaozhu_xf.com/62202861-bd00-4538-9278-e89ca5c62abb/meta.json
+++ /dev/null
@@ -1,96 +0,0 @@
-{
-  "id": "62202861-bd00-4538-9278-e89ca5c62abb",
-  "owner_key": "caoxiaozhu_xf.com",
-  "file_name": "2月22日_深圳-上海.png",
-  "source_file_name": "2月22日_深圳-上海.png",
-  "media_type": "image/png",
-  "size_bytes": 1527491,
-  "file_sha256": "0a161c49b961c6c38edc53b6f284ceec396665aee852c9512b81780ad072d3cb",
-  "uploaded_at": "2026-06-15T12:33:19.636062+00:00",
-  "status": "linked",
-  "linked_claim_id": "e498fc3d-a4b5-40e6-8725-36a0f8476a81",
-  "linked_claim_no": "RE-20260615120435-R5AYFCFZ",
-  "linked_item_id": "5ebb4320-17a3-431c-a7cb-0c21a4963610",
-  "linked_at": "2026-06-15T12:33:19.636062+00:00",
-  "engine": "paddleocr_mobile",
-  "model": "PP-OCRv5_mobile",
-  "ocr_text": "行程单示意\n示例编号：DEMO20260222A001\n仅供演示使用·非官方凭证一\n打印日期：2026年02月15日\n深圳北站\n上海虹桥站\nG998\nShenzhenbei\nShanghaihongqiao\n2026年02月22日\n09:15开\n02车08B号\n二等座\n非官方车票\n乘客：示例旅客\n不可报销\n票价：￥388.00\n温馨提示：\n仅供演示\n• 请提前到达车站，预留充足时间\n身份证：44030019*******15\n，具体车次、时间以实际为准\n·本行程单不作为乘车凭证\n·仅用于界面设计与功能演示\n示意码：DEMO1234\n此码仅为演示占位，无实际价值\n订单编号：DEMO20260222A001\n购买渠道：示例演示平台\n统一客户代码：DEMO0000000000\n祝您旅途愉快，一路平安！\n本行程单仅为示意，非官方票据，不可用于乘车或报销。",
-  "summary": "行程单示意；示例编号：DEMO20260222A001；仅供演示使用·非官方凭证一",
-  "ocr_avg_score": 0.9907940914553981,
-  "ocr_line_count": 31,
-  "page_count": 1,
-  "document_type": "train_ticket",
-  "document_type_label": "火车/高铁票",
-  "scene_code": "travel",
-  "scene_label": "差旅票据",
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.74,
-  "ocr_classification_evidence": [
-    "车次",
-    "二等座",
-    "票价"
-  ],
-  "document_fields": [
-    {
-      "key": "amount",
-      "label": "金额",
-      "value": "388元"
-    },
-    {
-      "key": "date",
-      "label": "列车出发时间",
-      "value": "2026-02-22 09:15"
-    },
-    {
-      "key": "route",
-      "label": "行程",
-      "value": "深圳-上海"
-    },
-    {
-      "key": "departure_station",
-      "label": "出发地点",
-      "value": "深圳北"
-    },
-    {
-      "key": "arrival_station",
-      "label": "到达地点",
-      "value": "上海虹桥"
-    },
-    {
-      "key": "train_no",
-      "label": "车次",
-      "value": "G998"
-    },
-    {
-      "key": "id_number",
-      "label": "身份证号",
-      "value": "44030019******"
-    },
-    {
-      "key": "seat_class",
-      "label": "席别",
-      "value": "二等座"
-    },
-    {
-      "key": "carriage_no",
-      "label": "车厢",
-      "value": "02车"
-    },
-    {
-      "key": "seat_no",
-      "label": "座位号",
-      "value": "08B"
-    },
-    {
-      "key": "fare",
-      "label": "票价",
-      "value": "388.00元"
-    }
-  ],
-  "editable_fields": {},
-  "ocr_warnings": [],
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_file_name": "preview.png",
-  "preview_media_type": "image/png"
-}
\ No newline at end of file
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/62202861-bd00-4538-9278-e89ca5c62abb/preview.png b/server/storage/receipt_folder/caoxiaozhu_xf.com/62202861-bd00-4538-9278-e89ca5c62abb/preview.png
deleted file mode 100644
index 31cebb2..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/62202861-bd00-4538-9278-e89ca5c62abb/preview.png and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/67f51c17-a2bc-42bd-99a4-199ee32b18c3/2月23_上海-武汉.pdf b/server/storage/receipt_folder/caoxiaozhu_xf.com/67f51c17-a2bc-42bd-99a4-199ee32b18c3/2月23_上海-武汉.pdf
deleted file mode 100644
index d516ecb..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/67f51c17-a2bc-42bd-99a4-199ee32b18c3/2月23_上海-武汉.pdf and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/67f51c17-a2bc-42bd-99a4-199ee32b18c3/meta.json b/server/storage/receipt_folder/caoxiaozhu_xf.com/67f51c17-a2bc-42bd-99a4-199ee32b18c3/meta.json
deleted file mode 100644
index 6aa6c02..0000000
--- a/server/storage/receipt_folder/caoxiaozhu_xf.com/67f51c17-a2bc-42bd-99a4-199ee32b18c3/meta.json
+++ /dev/null
@@ -1,121 +0,0 @@
-{
-  "id": "67f51c17-a2bc-42bd-99a4-199ee32b18c3",
-  "owner_key": "caoxiaozhu_xf.com",
-  "file_name": "2月23_上海-武汉.pdf",
-  "source_file_name": "2月23_上海-武汉.pdf",
-  "media_type": "application/pdf",
-  "size_bytes": 24940,
-  "uploaded_at": "2026-06-03T08:40:26.766004+00:00",
-  "status": "linked",
-  "linked_claim_id": "2ad80b25-b153-407e-91be-ed2651045fb1",
-  "linked_claim_no": "RE-20260603083825-876B85XW",
-  "linked_item_id": "977f01f8-e7ab-487b-8055-db8864464784",
-  "linked_at": "2026-06-03T08:40:26.766004+00:00",
-  "engine": "paddleocr_mobile",
-  "model": "PP-OCRv5_mobile",
-  "ocr_text": "电子发票\n（铁路电子客票）\n州\n国家税务总局\n发票号码：26319166100006175398\n开票日期:2026年05月18日\n上海市税务局\n上海虹桥站\n武汉站\nG456\nShanghaihongqiao\nWuhan\n2026年02月23日\n13:54开\n12车08B号\n二等座\n票价：￥354.00\n4201061987****1615\n曹笑竹\n电子客票号：6610061086021394837402026\n购买方名称:曹笑竹\n统一社会信用代码：\n买票请到12306发货请到95306\n中国铁路祝您旅途愉快",
-  "summary": "电子发票；（铁路电子客票）；州",
-  "ocr_avg_score": 0.9620026834309101,
-  "ocr_line_count": 24,
-  "page_count": 1,
-  "document_type": "train_ticket",
-  "document_type_label": "火车/高铁票",
-  "scene_code": "travel",
-  "scene_label": "差旅票据",
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.88,
-  "ocr_classification_evidence": [
-    "铁路电子客票",
-    "电子客票",
-    "铁路",
-    "二等座"
-  ],
-  "document_fields": [
-    {
-      "key": "amount",
-      "label": "金额",
-      "value": "354元"
-    },
-    {
-      "key": "date",
-      "label": "列车出发时间",
-      "value": "2026-02-23 13:54"
-    },
-    {
-      "key": "merchant_name",
-      "label": "商户",
-      "value": "中国铁路"
-    },
-    {
-      "key": "invoice_number",
-      "label": "票据号码",
-      "value": "26319166100006175398"
-    },
-    {
-      "key": "route",
-      "label": "行程",
-      "value": "上海-武汉"
-    },
-    {
-      "key": "invoice_date",
-      "label": "开票日期",
-      "value": "2026-05-18"
-    },
-    {
-      "key": "departure_station",
-      "label": "出发地点",
-      "value": "上海虹桥"
-    },
-    {
-      "key": "arrival_station",
-      "label": "到达地点",
-      "value": "武汉"
-    },
-    {
-      "key": "train_no",
-      "label": "车次",
-      "value": "G456"
-    },
-    {
-      "key": "passenger_name",
-      "label": "乘车人",
-      "value": "曹笑竹"
-    },
-    {
-      "key": "id_number",
-      "label": "身份证号",
-      "value": "4201061987****1615"
-    },
-    {
-      "key": "electronic_ticket_no",
-      "label": "电子客票号",
-      "value": "6610061086021394837402026"
-    },
-    {
-      "key": "seat_class",
-      "label": "席别",
-      "value": "二等座"
-    },
-    {
-      "key": "carriage_no",
-      "label": "车厢",
-      "value": "12车"
-    },
-    {
-      "key": "seat_no",
-      "label": "座位号",
-      "value": "08B"
-    },
-    {
-      "key": "fare",
-      "label": "票价",
-      "value": "354.00元"
-    }
-  ],
-  "editable_fields": {},
-  "ocr_warnings": [],
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_file_name": "preview.png",
-  "preview_media_type": "image/png"
-}
\ No newline at end of file
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/67f51c17-a2bc-42bd-99a4-199ee32b18c3/preview.png b/server/storage/receipt_folder/caoxiaozhu_xf.com/67f51c17-a2bc-42bd-99a4-199ee32b18c3/preview.png
deleted file mode 100644
index 099413e..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/67f51c17-a2bc-42bd-99a4-199ee32b18c3/preview.png and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/8678e169-d800-4846-9354-eb768a9b65f8/meta.json b/server/storage/receipt_folder/caoxiaozhu_xf.com/8678e169-d800-4846-9354-eb768a9b65f8/meta.json
deleted file mode 100644
index 6d46790..0000000
--- a/server/storage/receipt_folder/caoxiaozhu_xf.com/8678e169-d800-4846-9354-eb768a9b65f8/meta.json
+++ /dev/null
@@ -1,55 +0,0 @@
-{
-  "id": "8678e169-d800-4846-9354-eb768a9b65f8",
-  "owner_key": "caoxiaozhu_xf.com",
-  "file_name": "酒店3.jpg",
-  "source_file_name": "酒店3.jpg",
-  "media_type": "image/jpeg",
-  "size_bytes": 153582,
-  "uploaded_at": "2026-06-03T08:41:47.393654+00:00",
-  "status": "linked",
-  "linked_claim_id": "2ad80b25-b153-407e-91be-ed2651045fb1",
-  "linked_claim_no": "RE-20260603083825-876B85XW",
-  "linked_item_id": "42250571-3e84-4f27-b3e8-aa224b5cb2f7",
-  "linked_at": "2026-06-03T08:41:47.393654+00:00",
-  "engine": "paddleocr_mobile",
-  "model": "PP-OCRv5_mobile",
-  "ocr_text": "上海喜来登酒店（样例）\n住宿费用单\n单据编号：SH-SAMPLE-20260223-001\n开单期：2026年223\n宾客姓名：曹笑\n住期：2026年220\n离店期：2026年223\n住晚数：3晚\n房型：豪华床房\n房号：1808\n项目\n日期\n数量\n单价\n金额\n备注\n住宿费\n2026-02-20至2026-02-22\n3晚\n￥362/晚\n￥1086\n豪华大床房\n金额大写：壹仟零捌拾陆元整\n合计：￥1086\n备注：\n1.如有疑问，请致电前台：021-28958888。\n2.退房时间为中午12：00，超时退房将按酒店规定收取相关费用。\n3.感谢您的下榻，期待您的再次光临！\n酒店地址：上海市浦东新区银城中路88号 邮编：200120\n样例票据|仅供系统测试|无效凭证",
-  "summary": "上海喜来登酒店（样例）；住宿费用单；单据编号：SH-SAMPLE-20260223-001",
-  "ocr_avg_score": 0.988790222009023,
-  "ocr_line_count": 30,
-  "page_count": 1,
-  "document_type": "hotel_invoice",
-  "document_type_label": "酒店住宿票据",
-  "scene_code": "hotel",
-  "scene_label": "住宿票据",
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.71,
-  "ocr_classification_evidence": [
-    "住宿",
-    "离店",
-    "酒店"
-  ],
-  "document_fields": [
-    {
-      "key": "amount",
-      "label": "金额",
-      "value": "1086元"
-    },
-    {
-      "key": "date",
-      "label": "日期",
-      "value": "2026-02-20"
-    },
-    {
-      "key": "merchant_name",
-      "label": "商户",
-      "value": "上海喜来登酒店"
-    }
-  ],
-  "editable_fields": {},
-  "ocr_warnings": [],
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_file_name": "preview.jpg",
-  "preview_media_type": "image/jpeg"
-}
\ No newline at end of file
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/8678e169-d800-4846-9354-eb768a9b65f8/preview.jpg b/server/storage/receipt_folder/caoxiaozhu_xf.com/8678e169-d800-4846-9354-eb768a9b65f8/preview.jpg
deleted file mode 100644
index a625452..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/8678e169-d800-4846-9354-eb768a9b65f8/preview.jpg and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/8678e169-d800-4846-9354-eb768a9b65f8/酒店3.jpg b/server/storage/receipt_folder/caoxiaozhu_xf.com/8678e169-d800-4846-9354-eb768a9b65f8/酒店3.jpg
deleted file mode 100644
index a625452..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/8678e169-d800-4846-9354-eb768a9b65f8/酒店3.jpg and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/a69238a5-65bf-45b7-9a9e-3aa4f8e662b8/2月20_武汉-上海.pdf b/server/storage/receipt_folder/caoxiaozhu_xf.com/a69238a5-65bf-45b7-9a9e-3aa4f8e662b8/2月20_武汉-上海.pdf
deleted file mode 100644
index b2207b8..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/a69238a5-65bf-45b7-9a9e-3aa4f8e662b8/2月20_武汉-上海.pdf and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/a69238a5-65bf-45b7-9a9e-3aa4f8e662b8/meta.json b/server/storage/receipt_folder/caoxiaozhu_xf.com/a69238a5-65bf-45b7-9a9e-3aa4f8e662b8/meta.json
deleted file mode 100644
index e4cb9d7..0000000
--- a/server/storage/receipt_folder/caoxiaozhu_xf.com/a69238a5-65bf-45b7-9a9e-3aa4f8e662b8/meta.json
+++ /dev/null
@@ -1,122 +0,0 @@
-{
-  "id": "a69238a5-65bf-45b7-9a9e-3aa4f8e662b8",
-  "owner_key": "caoxiaozhu_xf.com",
-  "file_name": "2月20_武汉-上海.pdf",
-  "source_file_name": "2月20_武汉-上海.pdf",
-  "media_type": "application/pdf",
-  "size_bytes": 24995,
-  "file_sha256": "618de348b6d8c822af23b6f603167847ef4fe73a149eafbc97ebf29b0932d58d",
-  "uploaded_at": "2026-06-15T12:22:40.316616+00:00",
-  "status": "linked",
-  "linked_claim_id": "e498fc3d-a4b5-40e6-8725-36a0f8476a81",
-  "linked_claim_no": "RE-20260615120435-R5AYFCFZ",
-  "linked_item_id": "b60b4316-9a56-4792-85be-22a751a59bf5",
-  "linked_at": "2026-06-15T12:22:40.316616+00:00",
-  "engine": "paddleocr_mobile",
-  "model": "PP-OCRv5_mobile",
-  "ocr_text": "电子发票\n（铁路电子客票)\n州\n国家税务总局\n发票号码：26429165800002785705\n湖北省税务局\n开票日期:2026年05月18日\n武汉站\n上海虹桥站\nG458\nWuhan\nShanghaihongqiao\n2026年02月20日\n07:55开\n06车01B号\n二等座\n票价：￥354.00\n4201061987****1615\n曹笑竹\n电子客票号：6580061086021391007342026\n购买方名称:曹笑竹\n统一社会信用代码：\n买票请到12306发货请到95306\n中国铁路祝您旅途愉快",
-  "summary": "电子发票；（铁路电子客票)；州",
-  "ocr_avg_score": 0.9580971281975508,
-  "ocr_line_count": 24,
-  "page_count": 1,
-  "document_type": "train_ticket",
-  "document_type_label": "火车/高铁票",
-  "scene_code": "travel",
-  "scene_label": "差旅票据",
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.88,
-  "ocr_classification_evidence": [
-    "铁路电子客票",
-    "电子客票",
-    "铁路",
-    "二等座"
-  ],
-  "document_fields": [
-    {
-      "key": "amount",
-      "label": "金额",
-      "value": "354元"
-    },
-    {
-      "key": "date",
-      "label": "列车出发时间",
-      "value": "2026-02-20 07:55"
-    },
-    {
-      "key": "merchant_name",
-      "label": "商户",
-      "value": "中国铁路"
-    },
-    {
-      "key": "invoice_number",
-      "label": "票据号码",
-      "value": "26429165800002785705"
-    },
-    {
-      "key": "route",
-      "label": "行程",
-      "value": "武汉-上海"
-    },
-    {
-      "key": "invoice_date",
-      "label": "开票日期",
-      "value": "2026-05-18"
-    },
-    {
-      "key": "departure_station",
-      "label": "出发地点",
-      "value": "武汉"
-    },
-    {
-      "key": "arrival_station",
-      "label": "到达地点",
-      "value": "上海虹桥"
-    },
-    {
-      "key": "train_no",
-      "label": "车次",
-      "value": "G458"
-    },
-    {
-      "key": "passenger_name",
-      "label": "乘车人",
-      "value": "曹笑竹"
-    },
-    {
-      "key": "id_number",
-      "label": "身份证号",
-      "value": "4201061987****1615"
-    },
-    {
-      "key": "electronic_ticket_no",
-      "label": "电子客票号",
-      "value": "6580061086021391007342026"
-    },
-    {
-      "key": "seat_class",
-      "label": "席别",
-      "value": "二等座"
-    },
-    {
-      "key": "carriage_no",
-      "label": "车厢",
-      "value": "06车"
-    },
-    {
-      "key": "seat_no",
-      "label": "座位号",
-      "value": "01B"
-    },
-    {
-      "key": "fare",
-      "label": "票价",
-      "value": "354.00元"
-    }
-  ],
-  "editable_fields": {},
-  "ocr_warnings": [],
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_file_name": "preview.png",
-  "preview_media_type": "image/png"
-}
\ No newline at end of file
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/a69238a5-65bf-45b7-9a9e-3aa4f8e662b8/preview.png b/server/storage/receipt_folder/caoxiaozhu_xf.com/a69238a5-65bf-45b7-9a9e-3aa4f8e662b8/preview.png
deleted file mode 100644
index 0bdfb91..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/a69238a5-65bf-45b7-9a9e-3aa4f8e662b8/preview.png and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/b7af7d91-7577-4d68-8a9d-ebcb2f552326/2月20_武汉-上海.pdf b/server/storage/receipt_folder/caoxiaozhu_xf.com/b7af7d91-7577-4d68-8a9d-ebcb2f552326/2月20_武汉-上海.pdf
deleted file mode 100644
index b2207b8..0000000
Binary files a/server/storage/receipt_folder/caoxiaozhu_xf.com/b7af7d91-7577-4d68-8a9d-ebcb2f552326/2月20_武汉-上海.pdf and /dev/null differ
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/b7af7d91-7577-4d68-8a9d-ebcb2f552326/meta.json b/server/storage/receipt_folder/caoxiaozhu_xf.com/b7af7d91-7577-4d68-8a9d-ebcb2f552326/meta.json
deleted file mode 100644
index 9a82f86..0000000
--- a/server/storage/receipt_folder/caoxiaozhu_xf.com/b7af7d91-7577-4d68-8a9d-ebcb2f552326/meta.json
+++ /dev/null
@@ -1,122 +0,0 @@
-{
-  "id": "b7af7d91-7577-4d68-8a9d-ebcb2f552326",
-  "owner_key": "caoxiaozhu_xf.com",
-  "file_name": "2月20_武汉-上海.pdf",
-  "source_file_name": "2月20_武汉-上海.pdf",
-  "media_type": "application/pdf",
-  "size_bytes": 24995,
-  "file_sha256": "618de348b6d8c822af23b6f603167847ef4fe73a149eafbc97ebf29b0932d58d",
-  "uploaded_at": "2026-06-15T12:05:36.780929+00:00",
-  "status": "linked",
-  "linked_claim_id": "e498fc3d-a4b5-40e6-8725-36a0f8476a81",
-  "linked_claim_no": "RE-20260615120435-R5AYFCFZ",
-  "linked_item_id": "bc11962c-d345-4bc2-acde-3c3b1348327b",
-  "linked_at": "2026-06-15T12:05:36.780929+00:00",
-  "engine": "paddleocr_mobile",
-  "model": "PP-OCRv5_mobile",
-  "ocr_text": "电子发票\n（铁路电子客票)\n州\n国家税务总局\n发票号码：26429165800002785705\n湖北省税务局\n开票日期:2026年05月18日\n武汉站\n上海虹桥站\nG458\nWuhan\nShanghaihongqiao\n2026年02月20日\n07:55开\n06车01B号\n二等座\n票价：￥354.00\n4201061987****1615\n曹笑竹\n电子客票号：6580061086021391007342026\n购买方名称:曹笑竹\n统一社会信用代码：\n买票请到12306发货请到95306\n中国铁路祝您旅途愉快",
-  "summary": "电子发票；（铁路电子客票)；州",
-  "ocr_avg_score": 0.9580971281975508,
-  "ocr_line_count": 24,
-  "page_count": 1,
-  "document_type": "train_ticket",
-  "document_type_label": "火车/高铁票",
-  "scene_code": "travel",
-  "scene_label": "差旅票据",
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.88,
-  "ocr_classification_evidence": [
-    "铁路电子客票",
-    "电子客票",
-    "铁路",
-    "二等座"
-  ],
-  "document_fields": [
-    {
-      "key": "amount",
-      "label": "金额",
-      "value": "354元"
-    },
-    {
-      "key": "date",
-      "label": "列车出发时间",
-      "value": "2026-02-20 07:55"
-    },
-    {
-      "key": "merchant_name",
-      "label": "商户",
-      "value": "中国铁路"
-    },
-    {
-      "key": "invoice_number",
-      "label": "票据号码",
-      "value": "26429165800002785705"
-    },
-    {
-      "key": "route",
-      "label": "行程",
-      "value": "武汉-上海"
-    },
-    {
-      "key": "invoice_date",
-      "label": "开票日期",
-      "value": "2026-05-18"
-    },
-    {
-      "key": "departure_station",
-      "label": "出发地点",
-      "value": "武汉"
-    },
-    {
-      "key": "arrival_station",
-      "label": "到达地点",
-      "value": "上海虹桥"
-    },
-    {
-      "key": "train_no",
-      "label": "车次",
-      "value": "G458"
-    },
-    {
-      "key": "passenger_name",
-      "label": "乘车人",
-      "value": "曹笑竹"
-    },
-    {
-      "key": "id_number",
-      "label": "身份证号",
-      "value": "4201061987****1615"
-    },
-    {
-      "key": "electronic_ticket_no",
-      "label": "电子客票号",
-      "value": "6580061086021391007342026"
-    },
-    {
-      "key": "seat_class",
-      "label": "席别",
-      "value": "二等座"
-    },
-    {
-      "key": "carriage_no",
-      "label": "车厢",
-      "value": "06车"
-    },
-    {
-      "key": "seat_no",
-      "label": "座位号",
-      "value": "01B"
-    },
-    {
-      "key": "fare",
-      "label": "票价",
-      "value": "354.00元"
-    }
-  ],
-  "editable_fields": {},
-  "ocr_warnings": [],
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_file_name": "preview.png",
-  "preview_media_type": "image/png"
-}
\ No newline at end of file
diff --git a/server/storage/receipt_folder/caoxiaozhu_xf.com/b7af7d91-7577-4d68-8a9d-ebcb2f552326/preview.png b/server/storage/receipt_folder/caoxiaozhu_xf.com/b7af7d91-7577-4d68-8a9d-ebcb2f552326/preview.png
deleted file mode 100644
index 0bdfb91..0000000
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