{
  "schema_version": "2.0",
  "rule_code": "risk.reimbursement.duplicate_against_application",
  "name": "同一申请重复报销",
  "description": "同一申请单或同一合同/项目存在多笔疑似重复报销。",
  "enabled": true,
  "requires_attachment": false,
  "risk_dimension": "expense_control_demo",
  "risk_category": "报销偏差",
  "ontology_signal": "duplicate_reimbursement",
  "evaluator": "template_rule",
  "template_key": "keyword_match_v1",
  "finance_rule_code": "application.reimbursement.linkage.policy",
  "finance_rule_sheet": "申请报销关联规则",
  "business_stage": [
    "reimbursement"
  ],
  "expense_types": [
    "all"
  ],
  "budget_required": true,
  "applies_to": {
    "domains": [
      "expense"
    ],
    "expense_types": [
      "all"
    ],
    "business_stages": [
      "reimbursement"
    ]
  },
  "inputs": {
    "fields": [
      {
        "key": "claim.amount",
        "label": "报销金额",
        "type": "number",
        "source": "claim"
      },
      {
        "key": "claim.expense_type",
        "label": "费用类型",
        "type": "enum",
        "source": "claim"
      },
      {
        "key": "claim.department_name",
        "label": "部门",
        "type": "text",
        "source": "claim"
      },
      {
        "key": "claim.reason",
        "label": "事由",
        "type": "text",
        "source": "claim"
      },
      {
        "key": "item.item_reason",
        "label": "明细说明",
        "type": "text",
        "source": "item"
      },
      {
        "key": "application.id",
        "label": "申请单",
        "type": "text",
        "source": "application"
      },
      {
        "key": "application.status",
        "label": "申请状态",
        "type": "enum",
        "source": "application"
      },
      {
        "key": "application.approved_amount",
        "label": "申请审批金额",
        "type": "number",
        "source": "application"
      },
      {
        "key": "application.expense_type",
        "label": "申请费用类型",
        "type": "enum",
        "source": "application"
      },
      {
        "key": "application.department_name",
        "label": "申请部门",
        "type": "text",
        "source": "application"
      }
    ]
  },
  "params": {
    "template_key": "keyword_match_v1",
    "field_keys": [
      "claim.amount",
      "claim.expense_type",
      "claim.department_name",
      "claim.reason",
      "item.item_reason",
      "application.id",
      "application.status",
      "application.approved_amount",
      "application.expense_type",
      "application.department_name"
    ],
    "search_fields": [
      "claim.reason",
      "item.item_reason",
      "claim.expense_type"
    ],
    "keywords": [
      "重复报销",
      "同一申请",
      "重复占用"
    ],
    "condition_summary": "同一申请的已报销金额与本次金额超过申请金额时触发。",
    "finance_rule_code": "application.reimbursement.linkage.policy",
    "finance_rule_sheet": "申请报销关联规则",
    "business_stage": [
      "reimbursement"
    ],
    "expense_types": [
      "all"
    ],
    "budget_required": true
  },
  "outcomes": {
    "pass": {
      "severity": "none",
      "action": "continue"
    },
    "fail": {
      "severity": "high",
      "action": "manual_review",
      "risk_score": 86
    }
  },
  "metadata": {
    "owner": "风控与审计部",
    "stability": "platform",
    "source_ref": "费用管控 Demo 风险规则库",
    "created_at": "2026-05-31T00:10:41.873003+00:00",
    "created_by": "system",
    "risk_score": 86,
    "risk_level": "high",
    "rule_title": "同一申请重复报销",
    "finance_rule_code": "application.reimbursement.linkage.policy",
    "finance_rule_sheet": "申请报销关联规则",
    "business_stage": [
      "reimbursement"
    ],
    "expense_types": [
      "all"
    ],
    "budget_required": true
  },
  "severity": "high",
  "risk_score": 86,
  "risk_level": "high"
}