{
  "schema_version": "2.0",
  "rule_code": "risk.budget.duplicate_reserve",
  "name": "重复占用预算",
  "description": "同一申请、项目或合同已占用预算，本次单据再次占用同一预算口径。",
  "enabled": true,
  "requires_attachment": false,
  "risk_dimension": "expense_control_demo",
  "risk_category": "预算管控",
  "ontology_signal": "budget_over_limit",
  "evaluator": "template_rule",
  "template_key": "keyword_match_v1",
  "finance_rule_code": "budget.execution.policy",
  "finance_rule_sheet": "预算执行规则",
  "business_stage": [
    "expense_application",
    "reimbursement",
    "budget_execution"
  ],
  "expense_types": [
    "all"
  ],
  "budget_required": true,
  "applies_to": {
    "domains": [
      "expense"
    ],
    "expense_types": [
      "all"
    ],
    "business_stages": [
      "expense_application",
      "reimbursement",
      "budget_execution"
    ]
  },
  "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": "budget.line_id",
        "label": "预算行",
        "type": "text",
        "source": "budget"
      },
      {
        "key": "budget.available_amount",
        "label": "预算可用金额",
        "type": "number",
        "source": "budget"
      },
      {
        "key": "budget.used_rate",
        "label": "预算使用率",
        "type": "number",
        "source": "budget"
      },
      {
        "key": "budget.status",
        "label": "预算状态",
        "type": "enum",
        "source": "budget"
      },
      {
        "key": "budget.department_name",
        "label": "预算部门",
        "type": "text",
        "source": "budget"
      },
      {
        "key": "budget.quarter",
        "label": "预算季度",
        "type": "text",
        "source": "budget"
      },
      {
        "key": "budget.project_code",
        "label": "预算项目",
        "type": "text",
        "source": "budget"
      }
    ]
  },
  "params": {
    "template_key": "keyword_match_v1",
    "field_keys": [
      "claim.amount",
      "claim.expense_type",
      "claim.department_name",
      "claim.reason",
      "item.item_reason",
      "budget.line_id",
      "budget.available_amount",
      "budget.used_rate",
      "budget.status",
      "budget.department_name",
      "budget.quarter",
      "budget.project_code"
    ],
    "search_fields": [
      "claim.reason",
      "item.item_reason",
      "claim.expense_type"
    ],
    "keywords": [
      "重复占用",
      "预算锁定",
      "重复申请"
    ],
    "condition_summary": "相同业务标识存在未释放预算占用时触发。",
    "finance_rule_code": "budget.execution.policy",
    "finance_rule_sheet": "预算执行规则",
    "business_stage": [
      "expense_application",
      "reimbursement",
      "budget_execution"
    ],
    "expense_types": [
      "all"
    ],
    "budget_required": true
  },
  "outcomes": {
    "pass": {
      "severity": "none",
      "action": "continue"
    },
    "fail": {
      "severity": "medium",
      "action": "manual_review",
      "risk_score": 74
    }
  },
  "metadata": {
    "owner": "风控与审计部",
    "stability": "platform",
    "source_ref": "费用管控 Demo 风险规则库",
    "created_at": "2026-05-31T00:10:41.791584+00:00",
    "created_by": "system",
    "risk_score": 74,
    "risk_level": "medium",
    "rule_title": "重复占用预算",
    "finance_rule_code": "budget.execution.policy",
    "finance_rule_sheet": "预算执行规则",
    "business_stage": [
      "expense_application",
      "reimbursement",
      "budget_execution"
    ],
    "expense_types": [
      "all"
    ],
    "budget_required": true
  },
  "severity": "medium",
  "risk_score": 74,
  "risk_level": "medium"
}