{
  "schema": "assembly_structure_summary_v1",
  "source_structure_graph_path": "D:\\CSharpProjects\\agent4\\runtime\\brep_semantic_bridge\\structure_graph.json",
  "generation_mode": "programmatic_low_resolution_summary",
  "usage_policy": "This file is a compact device-level index. It intentionally excludes full B-rep, faces, images, and unrelated component details.",
  "component_count": 5,
  "components": [
    {
      "component_id": "component_38",
      "instance_name": "小臂外壳1-1",
      "display_name": "小臂外壳1-1 (小臂外壳1)",
      "shape_hint": "hole_features",
      "feature_count": 13,
      "face_count": 45,
      "contact_count": 8,
      "mate_count": 7,
      "adjacent_component_ids": [
        "component_1",
        "component_39",
        "component_41",
        "component_42"
      ],
      "graph_role_hint": "ordinary_component"
    },
    {
      "component_id": "component_39",
      "instance_name": "电机与大臂外壳连接件1-1",
      "display_name": "电机与大臂外壳连接件1-1 (电机与大臂外壳连接件1)",
      "shape_hint": "hole_features",
      "feature_count": 14,
      "face_count": 74,
      "contact_count": 9,
      "mate_count": 6,
      "adjacent_component_ids": [
        "component_35",
        "component_38",
        "component_40",
        "component_41"
      ],
      "graph_role_hint": "ordinary_component"
    },
    {
      "component_id": "component_41",
      "instance_name": "电机与大臂外壳连接件3-1",
      "display_name": "电机与大臂外壳连接件3-1 (电机与大臂外壳连接件3)",
      "shape_hint": "hole_features",
      "feature_count": 10,
      "face_count": 38,
      "contact_count": 11,
      "mate_count": 6,
      "adjacent_component_ids": [
        "component_34",
        "component_35",
        "component_38",
        "component_39",
        "component_40"
      ],
      "graph_role_hint": "ordinary_component"
    },
    {
      "component_id": "component_1",
      "instance_name": "电机和连接臂连接件-1",
      "display_name": "电机和连接臂连接件-1 (电机和连接臂连接件)",
      "shape_hint": "hole_features",
      "feature_count": 2,
      "face_count": 7,
      "contact_count": 1,
      "mate_count": 5,
      "adjacent_component_ids": [
        "component_38",
        "component_6"
      ],
      "graph_role_hint": "ordinary_component"
    },
    {
      "component_id": "component_42",
      "instance_name": "轴承与连接臂连接件-1",
      "display_name": "轴承与连接臂连接件-1 (轴承与连接臂连接件)",
      "shape_hint": "hole_features",
      "feature_count": 4,
      "face_count": 35,
      "contact_count": 1,
      "mate_count": 3,
      "adjacent_component_ids": [
        "component_38"
      ],
      "graph_role_hint": "ordinary_component"
    }
  ],
  "relations": [
    {
      "a": "component_1",
      "b": "component_38",
      "relation_hint": "coaxial_or_concentric_interface"
    },
    {
      "a": "component_38",
      "b": "component_39",
      "relation_hint": "coaxial_or_concentric_interface"
    },
    {
      "a": "component_38",
      "b": "component_41",
      "relation_hint": "coaxial_or_concentric_interface"
    },
    {
      "a": "component_38",
      "b": "component_42",
      "relation_hint": "coaxial_or_concentric_interface"
    },
    {
      "a": "component_35",
      "b": "component_39",
      "relation_hint": "coaxial_or_concentric_interface"
    },
    {
      "a": "component_39",
      "b": "component_40",
      "relation_hint": "coaxial_or_concentric_interface"
    },
    {
      "a": "component_39",
      "b": "component_41",
      "relation_hint": "coaxial_or_concentric_interface"
    },
    {
      "a": "component_34",
      "b": "component_41",
      "relation_hint": "coaxial_or_concentric_interface"
    },
    {
      "a": "component_35",
      "b": "component_41",
      "relation_hint": "coaxial_or_concentric_interface"
    },
    {
      "a": "component_40",
      "b": "component_41",
      "relation_hint": "coaxial_or_concentric_interface"
    },
    {
      "a": "component_1",
      "b": "component_6",
      "relation_hint": "coaxial_or_concentric_interface"
    }
  ]
}