{
  "schema_version": "hardware-structure/v2",
  "unit": "mm",
  "product_id": "creative-031",
  "title": "031 自行车超车距离雷达结构概念评审",
  "revision": "codex-geometry-c6",
  "updated_at": "2026-09-19",
  "coordinate_system": "X=产品宽度，Y=上下，Z=前后；原点位于产品主体外包络中心",
  "case_metadata": {
    "case_id": 31,
    "domain": "出行与移动",
    "name": "自行车超车距离雷达",
    "user_value": "测量机动车超车距离并保存 GPS 位置，用于个人安全反馈。",
    "discovery_platform": "Reddit",
    "source_grade": "C",
    "source_url": "https://www.reddit.com/search/?q=open%20bike%20sensor%20overtaking%20distance",
    "mvp_path": "侧向超声/雷达测距；GPS/速度融合；车把显示距离；事后导出 GeoJSON。",
    "components": "ESP32、超声/毫米波、GNSS、OLED、按钮",
    "software_stack": "OpenBikeSensor、Arduino、GeoJSON",
    "github_project": "OpenBikeSensorFirmware",
    "github_url": "https://github.com/openbikesensor/OpenBikeSensorFirmware",
    "match_level": "直接",
    "bom_estimate_cny": 780,
    "difficulty": 4,
    "novelty": 5,
    "demand": 4,
    "reuse": 5,
    "risk": 4,
    "differentiation": "强调证据记录、隐私和城市道路数据众包。",
    "safety_boundary": "不能替代观察；防水、振动和测距误差需道路测试。",
    "recommendation_score": 70,
    "structural_archetype": "bike_mount",
    "prototype_family": "vehicle-mount",
    "prototype_label_zh": "自行车、车辆与车库安装件",
    "prototype_label_en": "Bicycle, vehicle and garage mounted assembly",
    "prototype_version": "creative-host-assembly/v1",
    "migration_role": "prototype_migrated",
    "assembly_topology": [
      "车辆或车库宿主",
      "抱箍或固定座",
      "主机",
      "视场与走线"
    ],
    "dimension_authority": "design_proposed_and_pending_verification",
    "structure_evidence": [
      {
        "id": "workbook-source-031",
        "url": "https://www.reddit.com/search/?q=open%20bike%20sensor%20overtaking%20distance",
        "kind": "discovery_source",
        "claim": "工作簿记录的创意发现来源；只证明市场灵感，不证明机械尺寸。",
        "application": "idea_provenance_only"
      },
      {
        "id": "garmin_varia",
        "url": "https://support.garmin.com/en-US/?partNumber=010-02376-00&tab=manuals",
        "kind": "manufacturer_manual",
        "claim": "自行车后向雷达与尾灯采用座管安装、后向雷达窗和纵向灯体。",
        "application": "analogous_structure_reference"
      }
    ],
    "evidence_maturity": "analogous_reference",
    "recognition_parts": [
      "座管抱箍",
      "侧向超声/雷达窗",
      "后向状态灯",
      "主控盒",
      "走线槽"
    ],
    "geometry_authority": "concept_photo_primary",
    "geometry_generation_method": "codex_agent_closed_loop",
    "geometry_iteration": 5,
    "geometry_fingerprint": "sha256:099aa7310888b60542d6815ee72845024637297ad9af74cc3cdb9a6ea2ade26c",
    "structure_quality_revision": "structure-quality-r1",
    "structure_quality_remediation": {
      "revision": "structure-visual-r2",
      "remediated_at": "2026-09-19",
      "before": {
        "status": "visual_rework_required",
        "part_count": 10,
        "supplementary_visible_part_count": 0
      },
      "after": {
        "status": "render_pending_visual_review",
        "part_count": 13,
        "added_visible_part_count": 3,
        "reworked_required_cue_count": 5,
        "default_camera_required_cues_visible": true
      },
      "added_visible_part_labels": [
        "座管安装基准",
        "侧向警示灯",
        "抱箍连接臂"
      ],
      "reworked_photo_targets": [
        "座管抱箍",
        "侧向超声/雷达窗",
        "后向状态灯",
        "主控盒",
        "走线槽"
      ],
      "truth_boundary": "可见结构按概念图返工；尺寸、隐藏结构和制造可行性仍为设计建议并待实物复核。"
    }
  },
  "envelope": {
    "external": {
      "width": 123.15,
      "depth": 55,
      "height": 87.15,
      "center": [
        0,
        0,
        0
      ]
    },
    "internal": {
      "width": 116.85,
      "depth": 51.85,
      "height": 31.85,
      "center": [
        0,
        0,
        0
      ]
    },
    "wall_thickness": 1.575
  },
  "openings": [],
  "prototype_instance": {
    "schema_version": "creative-host-assembly/v1",
    "prototype_family": "vehicle-mount",
    "prototype_label_zh": "自行车、车辆与车库安装件",
    "prototype_label_en": "Bicycle, vehicle and garage mounted assembly",
    "host_strategy": "vehicle",
    "shell_strategy": "vehicle_module",
    "assembly_topology": [
      "车辆或车库宿主",
      "抱箍或固定座",
      "主机",
      "视场与走线"
    ],
    "migration_role": "prototype_migrated"
  },
  "assemblies": [
    {
      "id": "seatpost-clamp",
      "label": "座管抱箍与主控盒",
      "part_ids": [
        "host-bike-seat-tube",
        "host-bike-top-tube",
        "codex-body",
        "codex-recognition-01",
        "codex-recognition-02",
        "visual-rework-031-seatpost",
        "visual-rework-031-side-led",
        "visual-rework-031-clamp-arm"
      ]
    },
    {
      "id": "radar-visibility",
      "label": "侧向探测与后向警示",
      "part_ids": [
        "codex-recognition-03",
        "codex-recognition-04",
        "codex-sensing-fov"
      ]
    },
    {
      "id": "bike-cable-route",
      "label": "车架走线与内部电子",
      "part_ids": [
        "codex-recognition-05",
        "codex-main-pcba"
      ]
    }
  ],
  "parts": [
    {
      "id": "host-bike-seat-tube",
      "label": "自行车座管",
      "group": "host",
      "type": "tube",
      "dimensions": {
        "outer_diameter": 26.0,
        "inner_diameter": 20.0,
        "length": 204.0
      },
      "position": [
        81.6,
        -6.3,
        -20.9
      ],
      "rotation_deg": [
        0.0,
        0.0,
        -12.0
      ],
      "explode_vector": [
        0.0,
        0.0,
        0.0
      ],
      "material": "阳极氧化铝合金车架",
      "quantity": 1,
      "source_status": "pending_verification",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#4a5458",
        "opacity": 0.06,
        "roughness": 0.82,
        "metalness": 0.05
      },
      "color": "#4a5458",
      "camera_fit": false,
      "photo_derived": true,
      "photo_component_id": "host-context",
      "source_target_id": "host-context",
      "source_part_ids": [
        "host-bike-seat-tube"
      ],
      "photo_visible": true
    },
    {
      "id": "host-bike-top-tube",
      "label": "自行车上管",
      "group": "host",
      "type": "tube",
      "dimensions": {
        "outer_diameter": 31.0,
        "inner_diameter": 24.0,
        "length": 198.0
      },
      "position": [
        -21.6,
        -9.8,
        -20.9
      ],
      "rotation_deg": [
        0.0,
        0.0,
        72.0
      ],
      "explode_vector": [
        0.0,
        0.0,
        0.0
      ],
      "material": "阳极氧化铝合金车架",
      "quantity": 1,
      "source_status": "pending_verification",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#4a5458",
        "opacity": 0.06,
        "roughness": 0.82,
        "metalness": 0.05
      },
      "color": "#4a5458",
      "camera_fit": false
    },
    {
      "id": "codex-body",
      "label": "照片轮廓驱动产品主体",
      "group": "shell",
      "type": "rounded_box",
      "dimensions": {
        "width": 120,
        "depth": 48,
        "height": 44,
        "corner_radius": 8
      },
      "position": [
        0,
        20,
        0
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
        0.0,
        0.0,
        -1.0
      ],
      "material": "材料与 CMF 由概念照片推断，待工程确认",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#282e30",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.08
      },
      "color": "#282e30",
      "photo_derived": true,
      "photo_component_id": "product-silhouette",
      "source_target_id": "product-silhouette",
      "source_part_ids": [
        "codex-body"
      ],
      "photo_bbox": [
        250,
        390,
        460,
        570
      ],
      "photo_polygon": [
        [
          252,
          392
        ],
        [
          455,
          395
        ],
        [
          458,
          565
        ],
        [
          255,
          568
        ]
      ],
      "photo_visible": true,
      "camera_fit": true
    },
    {
      "id": "codex-recognition-01",
      "label": "座管抱箍",
      "group": "bracket",
      "type": "ring",
      "dimensions": {
        "outer_diameter": 42,
        "inner_diameter": 28,
        "width": 14
      },
      "position": [
        0,
        -34,
        -15
      ],
      "rotation_deg": [
        90,
        0,
        0
      ],
      "explode_vector": [
        -1.0,
        -1.0,
        1.0
      ],
      "material": "材料与 CMF 由概念照片推断，待工程确认",
      "quantity": 1,
      "source_status": "pending_verification",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#4c5354",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.08
      },
      "color": "#4c5354",
      "recognition_role": true,
      "evidence_ids": [
        "workbook-source-031",
        "garmin_varia"
      ],
      "photo_derived": true,
      "photo_component_id": "recognition-01",
      "source_target_id": "recognition-01",
      "source_part_ids": [
        "codex-recognition-01"
      ],
      "photo_bbox": [
        275,
        516,
        309,
        536
      ],
      "photo_polygon": [],
      "photo_visible": false,
      "camera_fit": true
    },
    {
      "id": "codex-recognition-02",
      "label": "侧向超声/雷达窗",
      "group": "sensor",
      "type": "lens",
      "dimensions": {
        "diameter": 28,
        "length": 10
      },
      "position": [
        38,
        20,
        29
      ],
      "rotation_deg": [
        90,
        0,
        0
      ],
      "explode_vector": [
        1.0,
        -1.0,
        1.0
      ],
      "material": "材料与 CMF 由概念照片推断，待工程确认",
      "quantity": 1,
      "source_status": "pending_verification",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#151b1d",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.08
      },
      "color": "#151b1d",
      "recognition_role": true,
      "evidence_ids": [
        "workbook-source-031",
        "garmin_varia"
      ],
      "photo_derived": true,
      "photo_component_id": "recognition-02",
      "source_target_id": "recognition-02",
      "source_part_ids": [
        "codex-recognition-02"
      ],
      "photo_bbox": [
        401,
        516,
        435,
        536
      ],
      "photo_polygon": [],
      "photo_visible": false,
      "camera_fit": true
    },
    {
      "id": "codex-recognition-03",
      "label": "后向状态灯",
      "group": "interface",
      "type": "rounded_box",
      "dimensions": {
        "width": 55,
        "depth": 5,
        "height": 10,
        "corner_radius": 4
      },
      "position": [
        -25,
        34,
        27
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
        -1.0,
        -1.0,
        1.0
      ],
      "material": "PC 导光与显示组件",
      "quantity": 1,
      "source_status": "pending_verification",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#ff4c43",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.08
      },
      "color": "#ff4c43",
      "recognition_role": true,
      "evidence_ids": [
        "workbook-source-031",
        "garmin_varia"
      ],
      "photo_derived": true,
      "photo_component_id": "recognition-03",
      "source_target_id": "recognition-03",
      "source_part_ids": [
        "codex-recognition-03"
      ],
      "photo_bbox": [
        275,
        530,
        309,
        550
      ],
      "photo_polygon": [],
      "photo_visible": false,
      "camera_fit": true
    },
    {
      "id": "codex-recognition-04",
      "label": "主控盒",
      "group": "shell",
      "type": "rounded_box",
      "dimensions": {
        "width": 116,
        "depth": 44,
        "height": 40,
        "corner_radius": 8
      },
      "position": [
        0,
        20,
        0
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
        0.0,
        0.0,
        1.0
      ],
      "material": "深色工程塑料或阳极氧化金属",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#2b3133",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.08
      },
      "color": "#2b3133",
      "recognition_role": true,
      "evidence_ids": [
        "workbook-source-031",
        "garmin_varia"
      ],
      "photo_derived": true,
      "photo_component_id": "recognition-04",
      "source_target_id": "recognition-04",
      "source_part_ids": [
        "codex-recognition-04"
      ],
      "photo_bbox": [
        250,
        390,
        460,
        570
      ],
      "photo_polygon": [
        [
          252,
          392
        ],
        [
          455,
          395
        ],
        [
          458,
          565
        ],
        [
          255,
          568
        ],
        [
          250,
          480
        ]
      ],
      "photo_visible": true,
      "camera_fit": true
    },
    {
      "id": "codex-recognition-05",
      "label": "走线槽",
      "group": "cable",
      "type": "curved_tube",
      "dimensions": {
        "outer_diameter": 5,
        "inner_diameter": 2.5,
        "length": 65.1283361405006
      },
      "position": [
        0,
        0,
        0
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
        0.0,
        0.0,
        1.0
      ],
      "material": "材料与 CMF 由概念照片推断，待工程确认",
      "quantity": 1,
      "source_status": "pending_verification",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#202628",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.08
      },
      "color": "#202628",
      "allowed_contacts": [
        "codex-body"
      ],
      "recognition_role": true,
      "evidence_ids": [
        "workbook-source-031",
        "garmin_varia"
      ],
      "photo_derived": true,
      "photo_component_id": "recognition-05",
      "source_target_id": "recognition-05",
      "source_part_ids": [
        "codex-recognition-05"
      ],
      "photo_bbox": [
        275,
        545,
        309,
        565
      ],
      "photo_polygon": [],
      "photo_visible": false,
      "camera_fit": true,
      "path": [
        [
          0,
          -10,
          -12
        ],
        [
          0,
          -45,
          -15
        ],
        [
          0,
          -75,
          -15
        ]
      ]
    },
    {
      "id": "codex-main-pcba",
      "label": "主控 PCBA（内部建议布局）",
      "group": "pcb",
      "type": "box",
      "dimensions": {
        "width": 60.0,
        "depth": 1.6,
        "height": 13.3
      },
      "position": [
        0.0,
        0.0,
        -6.6
      ],
      "rotation_deg": [
        0.0,
        0.0,
        0.0
      ],
      "explode_vector": [
        0.0,
        0.0,
        -1.0
      ],
      "material": "FR-4 多层板；板框与器件高度待工程确认",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#23754f",
        "opacity": 1.0,
        "roughness": 0.56,
        "metalness": 0.05
      },
      "color": "#23754f",
      "inside_envelope": true,
      "camera_fit": false
    },
    {
      "id": "codex-sensing-fov",
      "label": "传感器检测方向/FOV",
      "group": "fov",
      "type": "cylinder",
      "dimensions": {
        "diameter": 22.0,
        "length": 47.52
      },
      "position": [
        0.0,
        0.0,
        36.432
      ],
      "rotation_deg": [
        90.0,
        0.0,
        0.0
      ],
      "explode_vector": [
        0.0,
        0.0,
        0.0
      ],
      "material": "虚拟检测包络，仅表达方向",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#39aabd",
        "opacity": 0.14,
        "roughness": 0.18,
        "metalness": 0.05
      },
      "color": "#39aabd",
      "camera_fit": false,
      "render_mode": "metadata_only"
    },
    {
      "id": "visual-rework-031-seatpost",
      "label": "座管安装基准",
      "group": "host",
      "type": "tube",
      "dimensions": {
        "outer_diameter": 34,
        "inner_diameter": 28,
        "length": 180
      },
      "position": [
        0,
        -105,
        -15
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
        0,
        0,
        1
      ],
      "material": "设计建议材料",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#3d4446",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.08
      },
      "color": "#3d4446",
      "camera_fit": true
    },
    {
      "id": "visual-rework-031-side-led",
      "label": "侧向警示灯",
      "group": "interface",
      "type": "rounded_box",
      "dimensions": {
        "width": 12,
        "depth": 5,
        "height": 34,
        "corner_radius": 4
      },
      "position": [
        55,
        5,
        28
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
        0,
        0,
        1
      ],
      "material": "设计建议材料",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#ff9d35",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.08
      },
      "color": "#ff9d35",
      "camera_fit": true
    },
    {
      "id": "visual-rework-031-clamp-arm",
      "label": "抱箍连接臂",
      "group": "bracket",
      "type": "rounded_box",
      "dimensions": {
        "width": 34,
        "depth": 22,
        "height": 18,
        "corner_radius": 4
      },
      "position": [
        0,
        -15,
        -7
      ],
      "rotation_deg": [
        0,
        0,
        0
      ],
      "explode_vector": [
        0,
        0,
        1
      ],
      "material": "设计建议材料",
      "quantity": 1,
      "source_status": "design_proposed",
      "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
      "appearance": {
        "color": "#3c4445",
        "opacity": 1.0,
        "roughness": 0.5,
        "metalness": 0.08
      },
      "color": "#3c4445",
      "camera_fit": true
    }
  ],
  "patterns": [],
  "relations": [
    {
      "id": "codex-host-installation",
      "type": "installed_on",
      "part_ids": [
        "host-bike-seat-tube",
        "codex-body"
      ],
      "description": "产品通过安装件与自行车车架/车把基准建立可检查的空间关系"
    },
    {
      "id": "codex-component-recognition-01-01",
      "type": "located_on",
      "part_ids": [
        "codex-body",
        "codex-recognition-01"
      ],
      "description": "零件位置来自概念图二维区域映射，深度与固定方式待工程复核。"
    },
    {
      "id": "codex-component-recognition-02-01",
      "type": "located_on",
      "part_ids": [
        "codex-body",
        "codex-recognition-02"
      ],
      "description": "零件位置来自概念图二维区域映射，深度与固定方式待工程复核。"
    },
    {
      "id": "codex-component-recognition-03-01",
      "type": "located_on",
      "part_ids": [
        "codex-body",
        "codex-recognition-03"
      ],
      "description": "零件位置来自概念图二维区域映射，深度与固定方式待工程复核。"
    },
    {
      "id": "codex-component-recognition-04-01",
      "type": "located_on",
      "part_ids": [
        "codex-body",
        "codex-recognition-04"
      ],
      "description": "零件位置来自概念图二维区域映射，深度与固定方式待工程复核。"
    },
    {
      "id": "codex-component-recognition-05-01",
      "type": "located_on",
      "part_ids": [
        "codex-body",
        "codex-recognition-05"
      ],
      "description": "零件位置来自概念图二维区域映射，深度与固定方式待工程复核。"
    },
    {
      "id": "codex-pcba-contained",
      "type": "contained_by",
      "part_ids": [
        "codex-main-pcba",
        "codex-body"
      ],
      "description": "主控 PCBA 位于主体内部；板框、支柱和连接器位置待详细设计。"
    }
  ],
  "interfaces": [
    {
      "id": "codex-service-interface",
      "label": "供电/维护接口摘要",
      "part_ids": [
        "codex-recognition-05"
      ]
    }
  ],
  "cables": [
    {
      "part_id": "codex-recognition-05",
      "path": [
        [
          -45.029,
          -15.097,
          18.216
        ],
        [
          -36.0,
          -7.097,
          21.384
        ],
        [
          -26.971,
          -19.182,
          18.216
        ]
      ]
    }
  ],
  "assembly_steps": [
    {
      "id": "codex-step-01",
      "sequence": 1,
      "label": "按照片所示关系安装主体与宿主",
      "part_ids": [
        "host-bike-seat-tube",
        "codex-body"
      ],
      "direction": [
        0,
        0,
        1
      ],
      "status": "pending_verification"
    },
    {
      "id": "codex-step-02",
      "sequence": 2,
      "label": "安装照片可识别功能零件",
      "part_ids": [
        "codex-recognition-01",
        "codex-recognition-02",
        "codex-recognition-03",
        "codex-recognition-04",
        "codex-recognition-05"
      ],
      "direction": [
        0,
        0,
        1
      ],
      "status": "design_proposed"
    },
    {
      "id": "codex-step-03",
      "sequence": 3,
      "label": "装入 PCBA、电源并检查功能路径",
      "part_ids": [
        "codex-main-pcba",
        "codex-sensing-fov",
        "visual-rework-031-side-led",
        "visual-rework-031-clamp-arm"
      ],
      "direction": [
        0,
        0,
        -1
      ],
      "status": "pending_verification"
    }
  ],
  "validation_rules": [
    {
      "id": "codex-photo-form",
      "type": "photo_form_identity",
      "minimum_score": 85,
      "severity": "error"
    },
    {
      "id": "recognition-parts",
      "type": "photo_component_coverage",
      "minimum_count": 5,
      "severity": "error"
    },
    {
      "id": "assembly-legibility",
      "type": "assembly_relationship_legibility",
      "minimum_score": 85,
      "severity": "error"
    },
    {
      "id": "geometry-uniqueness",
      "type": "cross_case_geometry_uniqueness",
      "minimum_score": 85,
      "severity": "error"
    }
  ],
  "dimension_sources": [
    {
      "id": "concept-photo-form",
      "status": "design_proposed",
      "scope": "可见轮廓、宿主、安装点、零件数量和相对位置",
      "reference": "/hardware-structure/photos/creative-031-photo-v1.jpg"
    },
    {
      "id": "codex-c-loop-geometry",
      "status": "design_proposed",
      "scope": "照片驱动参数几何、内部装配、工作路径和浏览器评审视图",
      "reference": "Codex Agent -> code -> render -> visual review -> patch, iteration 4"
    },
    {
      "id": "hidden-dimensions",
      "status": "pending_verification",
      "scope": "照片不可见的深度、背面、壁厚、紧固、密封、公差和真实材料",
      "reference": "Requires multi-view images, supplier drawings or physical measurement"
    }
  ],
  "visual_assets": [
    {
      "id": "product-concept-photo",
      "type": "ai_generated_concept_photo",
      "url": "/hardware-structure/photos/creative-031-photo-v1.jpg",
      "source_status": "ai_generated_concept",
      "revision": "photo-v1",
      "truth_boundary": {
        "zh": "AI 生成的产品概念照片，用于表达外观与使用场景，不是量产实物摄影。",
        "en": "AI-generated product concept image for form and use context; not a photograph of a manufactured unit."
      }
    },
    {
      "id": "structure-thumbnail",
      "type": "structure_preview",
      "url": "/hardware-structure/thumbnails/creative-031.svg"
    }
  ],
  "photo_structure_contract": {
    "schema_version": "creative-photo-structure-contract/v1",
    "photo_revision": "photo-v1",
    "structure_revision": "codex-geometry-c6",
    "prototype_family": "vehicle-mount",
    "migration_role": "prototype_migrated",
    "host": "自行车车架/车把基准",
    "installation": "产品通过安装件与自行车车架/车把基准建立可检查的空间关系",
    "scale_reference": "自行车车架/车把基准",
    "visual_cues": [
      "座管抱箍",
      "侧向超声/雷达窗",
      "后向状态灯",
      "主控盒",
      "走线槽"
    ],
    "expected_recognition_parts": [
      "座管抱箍",
      "侧向超声/雷达窗",
      "后向状态灯",
      "主控盒",
      "走线槽"
    ],
    "pixel_review_status": "photo_geometry_rebuilt_pending_review",
    "truth_boundary": "结构契约验证照片和参数模型共享同一组可识别部件；非像素级 CAD 重建。",
    "quality_status": "reworked_pending_blind_visual_review"
  },
  "assumptions": [
    "单张概念图约束可见轮廓、颜色、零件数量和二维空间关系，不能证明背面及内部结构。",
    "深度、壁厚、紧固、密封和装配公差由 Codex 生成设计建议，必须经过图纸或实物复核。",
    "浏览器模型使用统一毫米单位，并保留概念、推断与待确认边界。",
    "座管抱箍可能集成于主控盒本体结构中，无独立可见部件",
    "侧向超声/雷达窗可能位于主控盒侧面，当前视角不可见",
    "后向状态灯可能被主控盒本体遮挡或位于非可见面",
    "走线槽可能为完全内部设计，无外部可见特征"
  ],
  "engineering_boundary": "该网页结构以 /hardware-structure/photos/creative-031-photo-v1.jpg 的 AI 概念图为外观输入，由 Codex Agent 重建可检查的参数几何。它只用于产品形态、宿主安装、内部包络和方案评审；所有毫米尺寸仍为设计建议或待复核值，不是正式 CAD、STEP、Gerber、模具、认证或量产放行文件。",
  "photo_reconstruction": {
    "schema_version": "creative-photo-reconstruction/v1",
    "product_id": "creative-031",
    "case_id": 31,
    "photo_revision": "photo-v1",
    "structure_input_revision": "codex-geometry-c6",
    "generated_at": "2026-09-03",
    "photo": {
      "url": "/hardware-structure/photos/creative-031-photo-v1.jpg",
      "width_px": 960,
      "height_px": 600,
      "sha256": "2738267ed881691ff38ae33dd5f5b16e73e6d6c7384e17f2ca4c3cfe4a6683c0",
      "coordinate_system": "normalized image space 0..1000; origin top-left"
    },
    "targets": [
      {
        "id": "host-context",
        "label": "自行车车架/车把基准",
        "role": "host",
        "part_ids": [
          "host-bike-seat-tube"
        ],
        "instruction": "Tight box around the physical host or use surface that establishes installation and scale.",
        "bound_part_ids": [
          "host-bike-seat-tube"
        ]
      },
      {
        "id": "recognition-01",
        "label": "座管抱箍",
        "role": "mount",
        "part_ids": [
          "codex-recognition-01"
        ],
        "instruction": "Tight box and polygon around this visible photo-defining part or repeated group.",
        "bound_part_ids": [
          "codex-recognition-01"
        ]
      },
      {
        "id": "recognition-02",
        "label": "侧向超声/雷达窗",
        "role": "visible_part",
        "part_ids": [
          "codex-recognition-02"
        ],
        "instruction": "Tight box and polygon around this visible photo-defining part or repeated group.",
        "bound_part_ids": [
          "codex-recognition-02"
        ]
      },
      {
        "id": "recognition-03",
        "label": "后向状态灯",
        "role": "visible_part",
        "part_ids": [
          "codex-recognition-03"
        ],
        "instruction": "Tight box and polygon around this visible photo-defining part or repeated group.",
        "bound_part_ids": [
          "codex-recognition-03"
        ]
      },
      {
        "id": "recognition-04",
        "label": "主控盒",
        "role": "visible_part",
        "part_ids": [
          "codex-recognition-04"
        ],
        "instruction": "Tight box and polygon around this visible photo-defining part or repeated group.",
        "bound_part_ids": [
          "codex-recognition-04"
        ]
      },
      {
        "id": "recognition-05",
        "label": "走线槽",
        "role": "path",
        "part_ids": [
          "codex-recognition-05"
        ],
        "instruction": "Tight box and polygon around this visible photo-defining part or repeated group.",
        "bound_part_ids": [
          "codex-recognition-05"
        ]
      },
      {
        "id": "product-silhouette",
        "label": "产品主体整体轮廓",
        "role": "product_shell",
        "part_ids": [
          "codex-body"
        ],
        "instruction": "Trace the complete visible product silhouette, excluding the host and background.",
        "bound_part_ids": [
          "codex-body"
        ]
      }
    ],
    "regions": [
      {
        "target_id": "host-context",
        "role": "host",
        "bbox": [
          0,
          0,
          1000,
          1000
        ],
        "polygon": [
          [
            0,
            0
          ],
          [
            1000,
            0
          ],
          [
            1000,
            1000
          ],
          [
            0,
            1000
          ]
        ],
        "visible": true,
        "confidence": 0.9,
        "shape_hint": "cylinder",
        "visual_description": "自行车车架/车把基准，包含座管、车把、前叉、后轮等完整车架结构，用于建立产品安装空间关系和尺度参考"
      },
      {
        "target_id": "recognition-01",
        "role": "mount",
        "bbox": [
          0,
          0,
          0,
          0
        ],
        "polygon": [],
        "visible": false,
        "confidence": 0,
        "shape_hint": "cylinder",
        "visual_description": "座管抱箍 - 在照片中不可见，被主控盒遮挡或集成于主控盒安装结构中，无独立可见轮廓"
      },
      {
        "target_id": "recognition-02",
        "role": "visible_part",
        "bbox": [
          0,
          0,
          0,
          0
        ],
        "polygon": [],
        "visible": false,
        "confidence": 0,
        "shape_hint": "rounded_box",
        "visual_description": "侧向超声/雷达窗 - 在照片中不可见，推测位于主控盒侧面或被遮挡，当前视角无法确认其独立可见轮廓"
      },
      {
        "target_id": "recognition-03",
        "role": "visible_part",
        "bbox": [
          0,
          0,
          0,
          0
        ],
        "polygon": [],
        "visible": false,
        "confidence": 0,
        "shape_hint": "rounded_box",
        "visual_description": "后向状态灯 - 在照片中不可见，当前视角下主控盒后向灯区域被遮挡或不可辨识，无独立可见轮廓"
      },
      {
        "target_id": "recognition-04",
        "role": "visible_part",
        "bbox": [
          250,
          390,
          460,
          570
        ],
        "polygon": [
          [
            252,
            392
          ],
          [
            455,
            395
          ],
          [
            458,
            565
          ],
          [
            255,
            568
          ],
          [
            250,
            480
          ]
        ],
        "visible": true,
        "confidence": 0.95,
        "shape_hint": "rounded_box",
        "visual_description": "主控盒 - 黑色矩形盒体，安装于座管后方，带有红色指示灯（左上）和圆形按钮/传感器区域，侧面有USB-C接口，底部有品牌标识"
      },
      {
        "target_id": "recognition-05",
        "role": "path",
        "bbox": [
          0,
          0,
          0,
          0
        ],
        "polygon": [],
        "visible": false,
        "confidence": 0,
        "shape_hint": "cable",
        "visual_description": "走线槽 - 在照片中不可见，无可见线缆或线槽结构，推测为内部集成或完全隐藏设计"
      },
      {
        "target_id": "product-silhouette",
        "role": "product_shell",
        "visible": true,
        "bbox": [
          250,
          390,
          460,
          570
        ],
        "polygon": [
          [
            252,
            392
          ],
          [
            455,
            395
          ],
          [
            458,
            565
          ],
          [
            255,
            568
          ]
        ],
        "confidence": 0.9,
        "shape_hint": "mesh_required",
        "visual_description": "主控盒为唯一可见的产品部件，安装于自行车座管后方"
      }
    ],
    "product_silhouette": {
      "bbox": [
        250,
        390,
        460,
        570
      ],
      "polygon": [
        [
          252,
          392
        ],
        [
          455,
          395
        ],
        [
          458,
          565
        ],
        [
          255,
          568
        ]
      ],
      "description": "主控盒为唯一可见的产品部件，安装于自行车座管后方"
    },
    "mounting_points": [
      {
        "label": "座管夹持安装",
        "point": [
          355,
          480
        ],
        "host_target_id": "host-context",
        "product_target_id": "recognition-04",
        "confidence": 0.8
      }
    ],
    "connections": [
      {
        "from_target_id": "recognition-04",
        "to_target_id": "host-context",
        "type": "routes_to",
        "description": "主控盒通过内置夹具固定于自行车座管，与车架建立刚性连接"
      }
    ],
    "camera": {
      "view": "side_right",
      "yaw_deg": 15,
      "pitch_deg": -5,
      "roll_deg": 0,
      "fov_deg": 45,
      "framing_bbox": [
        0,
        0,
        1000,
        1000
      ]
    },
    "geometry_plan": {
      "strategy": "codex_agent_photo_specific_parametric",
      "rationale": "Codex maps concept-photo silhouette, component regions and connections into millimetre parametric parts; the browser render must pass screenshot review before customer publication.",
      "bindings": [
        {
          "target_id": "host-context",
          "asset_mode": "glb_part",
          "depth_order": 0,
          "orientation": "freeform",
          "confidence": 0.9
        },
        {
          "target_id": "recognition-04",
          "asset_mode": "glb_part",
          "depth_order": 1,
          "orientation": "freeform",
          "confidence": 0.95
        },
        {
          "target_id": "recognition-01",
          "asset_mode": "glb_part",
          "depth_order": 1,
          "orientation": "freeform",
          "confidence": 0.3
        },
        {
          "target_id": "recognition-02",
          "asset_mode": "glb_part",
          "depth_order": 1,
          "orientation": "freeform",
          "confidence": 0.3
        },
        {
          "target_id": "recognition-03",
          "asset_mode": "glb_part",
          "depth_order": 1,
          "orientation": "freeform",
          "confidence": 0.3
        },
        {
          "target_id": "recognition-05",
          "asset_mode": "glb_part",
          "depth_order": 1,
          "orientation": "freeform",
          "confidence": 0.3
        },
        {
          "target_id": "product-silhouette",
          "asset_mode": "parameterized",
          "depth_order": 0,
          "orientation": "freeform",
          "confidence": 0.9
        }
      ]
    },
    "uncertainties": [
      "座管抱箍可能集成于主控盒本体结构中，无独立可见部件",
      "侧向超声/雷达窗可能位于主控盒侧面，当前视角不可见",
      "后向状态灯可能被主控盒本体遮挡或位于非可见面",
      "走线槽可能为完全内部设计，无外部可见特征"
    ],
    "provenance": {
      "mode": "kimi_vlm",
      "provider": "kimi",
      "model": "kimi-k2.6",
      "operation": "photo-reconstruction.annotate",
      "prompt_template_version": "photo-reconstruction-v1",
      "calls": [
        {
          "provider": "kimi",
          "model_version": "kimi-k2.6",
          "operation": "photo-reconstruction.annotate",
          "prompt_template_version": "photo-reconstruction-v1",
          "request_hash": "ba578db6f3691e3adc2b21a11e2a7707a7567928e1f245f64ed839a997fc6232",
          "latency_ms": 40751,
          "status": "completed",
          "prompt_tokens": 1457,
          "completion_tokens": 1259,
          "total_tokens": 2716,
          "cached_tokens": 181,
          "error_code": "",
          "error_message": "",
          "fallback_used": false
        }
      ]
    },
    "truth_boundary": {
      "zh": "照片校准层用于验证轮廓、宿主、安装和可见零件；工程零件尺寸、间隙及制造结论仍由原结构层和正式图纸控制。",
      "en": "The photo-calibrated layer checks silhouette, host, installation and visible parts; engineering dimensions, clearances and manufacturing conclusions remain controlled by the engineering layer and released drawings."
    },
    "geometry_proxy_parts": [
      {
        "id": "photo-proxy-host-bike-seat-tube",
        "source_target_id": "host-context",
        "source_part_ids": [
          "host-bike-seat-tube"
        ],
        "label": "自行车座管",
        "group": "host",
        "type": "tube",
        "dimensions": {
          "outer_diameter": 26.0,
          "inner_diameter": 20.0,
          "length": 204.0
        },
        "position": [
          81.6,
          -6.3,
          -20.9
        ],
        "rotation_deg": [
          0.0,
          0.0,
          -12.0
        ],
        "material": "阳极氧化铝合金车架",
        "source_status": "pending_verification",
        "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
        "bbox": [],
        "polygon": [],
        "confidence": 0.85,
        "asset_requirement": "parameterized_or_glb_refinement",
        "camera_fit": true,
        "appearance": {
          "color": "#4a5458",
          "opacity": 1.0,
          "roughness": 0.82,
          "metalness": 0.05
        },
        "color": "#4a5458"
      },
      {
        "id": "photo-proxy-codex-body",
        "source_target_id": "product-silhouette",
        "source_part_ids": [
          "codex-body"
        ],
        "label": "照片轮廓驱动产品主体",
        "group": "shell",
        "type": "extruded_polygon",
        "dimensions": {
          "width": 120.0,
          "depth": 39.6,
          "height": 41.3
        },
        "position": [
          0.0,
          0.0,
          0.0
        ],
        "rotation_deg": [
          0.0,
          0.0,
          0.0
        ],
        "material": "材料与 CMF 由概念照片推断，待工程确认",
        "source_status": "design_proposed",
        "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
        "bbox": [
          250,
          390,
          460,
          570
        ],
        "polygon": [
          [
            252,
            392
          ],
          [
            455,
            395
          ],
          [
            458,
            565
          ],
          [
            255,
            568
          ]
        ],
        "confidence": 0.85,
        "asset_requirement": "parameterized_or_glb_refinement",
        "camera_fit": true,
        "profile_points": [
          [
            -58.857,
            20.191
          ],
          [
            57.143,
            19.503
          ],
          [
            58.857,
            -19.503
          ],
          [
            -57.143,
            -20.191
          ]
        ],
        "appearance": {
          "color": "#4f5559",
          "opacity": 0.82,
          "roughness": 0.58,
          "metalness": 0.08
        },
        "color": "#4f5559"
      },
      {
        "id": "photo-proxy-codex-recognition-01",
        "source_target_id": "recognition-01",
        "source_part_ids": [
          "codex-recognition-01"
        ],
        "label": "座管抱箍",
        "group": "bracket",
        "type": "ring",
        "dimensions": {
          "outer_diameter": 19.2,
          "inner_diameter": 13.056,
          "width": 3.0
        },
        "position": [
          -36.0,
          -10.531,
          17.82
        ],
        "rotation_deg": [
          90.0,
          0.0,
          0.0
        ],
        "material": "材料与 CMF 由概念照片推断，待工程确认",
        "source_status": "pending_verification",
        "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
        "bbox": [
          275,
          516,
          309,
          536
        ],
        "polygon": [],
        "confidence": 0.35,
        "asset_requirement": "parameterized_or_glb_refinement",
        "camera_fit": false,
        "render_mode": "metadata_only",
        "appearance": {
          "color": "#4f5559",
          "opacity": 1.0,
          "roughness": 0.58,
          "metalness": 0.08
        },
        "color": "#4f5559"
      },
      {
        "id": "photo-proxy-codex-recognition-02",
        "source_target_id": "recognition-02",
        "source_part_ids": [
          "codex-recognition-02"
        ],
        "label": "侧向超声/雷达窗",
        "group": "sensor",
        "type": "lens",
        "dimensions": {
          "diameter": 4.543,
          "length": 3.0
        },
        "position": [
          36.0,
          -10.531,
          17.82
        ],
        "rotation_deg": [
          90.0,
          0.0,
          0.0
        ],
        "material": "材料与 CMF 由概念照片推断，待工程确认",
        "source_status": "pending_verification",
        "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
        "bbox": [
          401,
          516,
          435,
          536
        ],
        "polygon": [],
        "confidence": 0.35,
        "asset_requirement": "parameterized_or_glb_refinement",
        "camera_fit": false,
        "render_mode": "metadata_only",
        "appearance": {
          "color": "#4f5559",
          "opacity": 1.0,
          "roughness": 0.58,
          "metalness": 0.08
        },
        "color": "#4f5559"
      },
      {
        "id": "photo-proxy-codex-recognition-03",
        "source_target_id": "recognition-03",
        "source_part_ids": [
          "codex-recognition-03"
        ],
        "label": "后向状态灯",
        "group": "interface",
        "type": "lens",
        "dimensions": {
          "diameter": 4.543,
          "length": 3.0
        },
        "position": [
          -36.0,
          -13.835,
          17.82
        ],
        "rotation_deg": [
          90.0,
          0.0,
          0.0
        ],
        "material": "PC 导光与显示组件",
        "source_status": "pending_verification",
        "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
        "bbox": [
          275,
          530,
          309,
          550
        ],
        "polygon": [],
        "confidence": 0.35,
        "asset_requirement": "parameterized_or_glb_refinement",
        "camera_fit": false,
        "render_mode": "metadata_only",
        "appearance": {
          "color": "#53c9ad",
          "opacity": 0.96,
          "roughness": 0.24,
          "metalness": 0.03
        },
        "color": "#53c9ad"
      },
      {
        "id": "photo-proxy-codex-recognition-04",
        "source_target_id": "recognition-04",
        "source_part_ids": [
          "codex-recognition-04"
        ],
        "label": "主控盒",
        "group": "pcb",
        "type": "extruded_polygon",
        "dimensions": {
          "width": 120.0,
          "depth": 9.504,
          "height": 41.3
        },
        "position": [
          0.0,
          -0.0,
          17.82
        ],
        "rotation_deg": [
          0.0,
          0.0,
          0.0
        ],
        "material": "深色工程塑料或阳极氧化金属",
        "source_status": "design_proposed",
        "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
        "bbox": [
          250,
          390,
          460,
          570
        ],
        "polygon": [
          [
            252,
            392
          ],
          [
            455,
            395
          ],
          [
            458,
            565
          ],
          [
            255,
            568
          ],
          [
            250,
            480
          ]
        ],
        "confidence": 0.85,
        "asset_requirement": "parameterized_or_glb_refinement",
        "camera_fit": true,
        "profile_points": [
          [
            -58.857,
            20.191
          ],
          [
            57.143,
            19.503
          ],
          [
            58.857,
            -19.503
          ],
          [
            -57.143,
            -20.191
          ],
          [
            -60.0,
            -0.0
          ]
        ],
        "appearance": {
          "color": "#263238",
          "opacity": 1.0,
          "roughness": 0.36,
          "metalness": 0.18
        },
        "color": "#263238"
      },
      {
        "id": "photo-proxy-codex-recognition-05",
        "source_target_id": "recognition-05",
        "source_part_ids": [
          "codex-recognition-05"
        ],
        "label": "走线槽",
        "group": "cable",
        "type": "curved_tube",
        "dimensions": {
          "outer_diameter": 2.0,
          "inner_diameter": 1.16,
          "length": 23.743
        },
        "position": [
          0.0,
          0.0,
          0.0
        ],
        "rotation_deg": [
          0.0,
          0.0,
          0.0
        ],
        "material": "材料与 CMF 由概念照片推断，待工程确认",
        "source_status": "pending_verification",
        "source_reference": "creative-031 photo-v1 concept-image reconstruction by the Codex Agent C-loop; visible form follows image evidence while depth, hidden fastening and millimetre values remain design proposals",
        "bbox": [
          275,
          545,
          309,
          565
        ],
        "polygon": [],
        "confidence": 0.35,
        "asset_requirement": "parameterized_or_glb_refinement",
        "camera_fit": false,
        "render_mode": "metadata_only",
        "path": [
          [
            -45.029,
            -15.097,
            18.216
          ],
          [
            -36.0,
            -7.097,
            21.384
          ],
          [
            -26.971,
            -19.182,
            18.216
          ]
        ],
        "appearance": {
          "color": "#4f5559",
          "opacity": 1.0,
          "roughness": 0.58,
          "metalness": 0.08
        },
        "color": "#4f5559"
      }
    ],
    "engineering_geometry_revision": "codex-geometry-c6",
    "geometry_fingerprint": "sha256:099aa7310888b60542d6815ee72845024637297ad9af74cc3cdb9a6ea2ade26c",
    "visual_review": {
      "status": "pending_review",
      "score": null,
      "geometry_fingerprint": "sha256:099aa7310888b60542d6815ee72845024637297ad9af74cc3cdb9a6ea2ade26c",
      "updated_at": "2026-09-19",
      "reason": "Geometry changed during deterministic structure-quality remediation and requires fresh visual review."
    }
  },
  "presentation": {
    "default_view": "front",
    "iso_view_deg": [
      15.0,
      16.0
    ],
    "dimensions_visible_by_default": false,
    "hidden_groups_by_default": [
      "fov"
    ],
    "shell_opacity": 0.86,
    "photo_mode_available": true
  },
  "codex_geometry_refinement": {
    "schema_version": "codex-geometry-refinement/v1",
    "mode": "codex_agent_closed_loop",
    "source_photo_revision": "photo-v1",
    "iteration": 5,
    "status": "render_pending_visual_review",
    "scope": [
      "photo-specific-form",
      "host-and-installation",
      "key-parts",
      "internal-assembly",
      "work-path"
    ],
    "pipeline": [
      "generate_code",
      "render_screenshot",
      "visual_review",
      "patch_code"
    ],
    "truth_boundary": {
      "zh": "结构由单张 AI 概念图反向生成；可见比例受照片约束，隐藏结构和工程尺寸仍需图纸或实物确认。",
      "en": "Geometry is generated from one AI concept image. Visible proportions are image-constrained; hidden construction and engineering dimensions still require drawings or physical verification."
    },
    "quality_status": "reworked_pending_blind_visual_review"
  },
  "photo_derived_structure": {
    "schema_version": "creative-photo-derived-structure/v1",
    "product_id": "creative-031",
    "case_id": 31,
    "photo_revision": "photo-v1",
    "generated_at": "2026-09-03",
    "photo": {
      "url": "/hardware-structure/photos/creative-031-photo-v1.jpg",
      "width_px": 960,
      "height_px": 600,
      "sha256": "2738267ed881691ff38ae33dd5f5b16e73e6d6c7384e17f2ca4c3cfe4a6683c0",
      "coordinate_system": "normalized image space 0..1000; origin top-left"
    },
    "product": {
      "bbox": [
        250,
        390,
        460,
        570
      ],
      "polygon": [
        [
          252,
          392
        ],
        [
          455,
          395
        ],
        [
          458,
          565
        ],
        [
          255,
          568
        ]
      ],
      "estimated_dimensions_mm": {
        "width": 120.0,
        "depth": 39.6,
        "height": 41.3
      },
      "dimension_basis": "自行车车架/车把基准; front review plane preserves the concept-photo silhouette ratio while the original engineering envelope remains unchanged",
      "form_summary": "主控盒为唯一可见的产品部件，安装于自行车座管后方"
    },
    "components": [
      {
        "id": "host-context",
        "label_zh": "自行车车架/车把基准",
        "label_en": "自行车车架/车把基准",
        "role": "host",
        "bbox": [
          0,
          0,
          1000,
          1000
        ],
        "polygon": [
          [
            0,
            0
          ],
          [
            1000,
            0
          ],
          [
            1000,
            1000
          ],
          [
            0,
            1000
          ]
        ],
        "confidence": 0.9,
        "material_guess": "自行车车架/车把基准，包含座管、车把、前叉、后轮等完整车架结构，用于建立产品安装空间关系和尺度参考"
      },
      {
        "id": "recognition-04",
        "label_zh": "主控盒",
        "label_en": "主控盒",
        "role": "visible_part",
        "bbox": [
          250,
          390,
          460,
          570
        ],
        "polygon": [
          [
            252,
            392
          ],
          [
            455,
            395
          ],
          [
            458,
            565
          ],
          [
            255,
            568
          ],
          [
            250,
            480
          ]
        ],
        "confidence": 0.95,
        "material_guess": "主控盒 - 黑色矩形盒体，安装于座管后方，带有红色指示灯（左上）和圆形按钮/传感器区域，侧面有USB-C接口，底部有品牌标识"
      },
      {
        "id": "product-silhouette",
        "label_zh": "产品主体整体轮廓",
        "label_en": "产品主体整体轮廓",
        "role": "product_shell",
        "bbox": [
          250,
          390,
          460,
          570
        ],
        "polygon": [
          [
            252,
            392
          ],
          [
            455,
            395
          ],
          [
            458,
            565
          ],
          [
            255,
            568
          ]
        ],
        "confidence": 0.9,
        "material_guess": "主控盒为唯一可见的产品部件，安装于自行车座管后方"
      }
    ],
    "relations": [
      {
        "from_target_id": "recognition-04",
        "to_target_id": "host-context",
        "type": "routes_to",
        "description": "主控盒通过内置夹具固定于自行车座管，与车架建立刚性连接"
      }
    ],
    "camera": {
      "view": "side_right",
      "yaw_deg": 15,
      "pitch_deg": -5,
      "roll_deg": 0,
      "fov_deg": 45,
      "framing_bbox": [
        0,
        0,
        1000,
        1000
      ]
    },
    "uncertainties": [
      "座管抱箍可能集成于主控盒本体结构中，无独立可见部件",
      "侧向超声/雷达窗可能位于主控盒侧面，当前视角不可见",
      "后向状态灯可能被主控盒本体遮挡或位于非可见面",
      "走线槽可能为完全内部设计，无外部可见特征"
    ],
    "provenance": {
      "mode": "codex_agent_closed_loop",
      "operation": "concept-photo-to-parametric-geometry",
      "iteration": 4
    }
  }
}