metadata:
  type_id: contract.evaluation.delegation
  name: 委托评估合同
  version: '0.1'
  last_updated: '2026-04-14'
  parent: contract
  classification_keywords:
  - 委托评估
  - 评估合同
  - 房地产评估
  description: '最小规则集，用于端到端验证印章 / 签名 / 齐缝章识别流水线。

    '
extract:
- group: 默认分组
  fields:
  - name: 甲方名称
    type: string
    required_from: draft
    desc: 委托估价方（甲方）全称
    deep_retry: false
  - name: 乙方名称
    type: string
    required_from: draft
    desc: 受托估价方（乙方、评估机构）全称
    deep_retry: false
visual_elements:
  seals:
  - id: 乙方评估机构章
    name: 乙方合同专用章 / 公章
    required: true
    required_from: executed
    allowed_types:
    - 合同专用章
    - 公章
  signatures:
  - id: 甲乙方代理人签名
    name: 甲方 / 乙方法定代表人或代理人手写签名
    required: true
    required_from: executed
  cross_page_seals:
  - id: 齐缝章
    name: 页间齐缝章
    required: true
    required_from: executed
rules:
- group: 印章合规
  rules:
  - rule_id: EVAL-SEAL-001
    name: 合同存在合同专用章或公章
    risk: high
    score: 10
    applies_in:
    - executed
    stages:
    - id: '1'
      check: visual
      element: seal
      expect: type_in
      allowed_types:
      - 合同专用章
      - 公章
    logic: '1'
    messages:
      pass: 检测到合同专用章或公章
      fail: 未检测到合同专用章或公章
    type: deterministic
  - rule_id: EVAL-SEAL-002
    name: 乙方评估机构章文字匹配
    risk: medium
    score: 10
    applies_in:
    - executed
    stages:
    - id: '1'
      check: visual
      element: seal
      expect: text_match
      expected_text: 广东博亿美房地产资产评估有限公司 合同专用章 4453020060917
    logic: '1'
    messages:
      pass: 乙方合同专用章文字命中
      fail: 乙方合同专用章文字未命中
    type: deterministic
  - rule_id: EVAL-CROSS-001
    name: 存在齐缝章
    risk: high
    score: 10
    applies_in:
    - executed
    stages:
    - id: '1'
      check: visual
      element: cross_page_seal
      expect: present
      min_count: 1
    logic: '1'
    messages:
      pass: 检测到齐缝章
      fail: 未检测到齐缝章
    type: deterministic
  - rule_id: EVAL-CROSS-002
    name: 齐缝章两侧对齐且完整
    risk: medium
    score: 10
    applies_in:
    - executed
    stages:
    - id: '1'
      check: visual
      element: cross_page_seal
      expect: complete
    logic: '1'
    messages:
      pass: 齐缝章两半对齐且完整
      fail: 齐缝章仅检测到单侧，无法判定完整性
    type: deterministic
- group: 签字合规
  rules:
  - rule_id: EVAL-SIGN-001
    name: 合同尾页存在手写签名
    risk: high
    score: 10
    applies_in:
    - executed
    stages:
    - id: '1'
      check: visual
      element: signature
      expect: present
      min_count: 2
    logic: '1'
    messages:
      pass: 合同存在甲乙双方的手写签名（≥2）
      fail: 合同缺少甲方或乙方的手写签名
    type: deterministic