写珍

{
  "workflow_id": "smart_portrait_consistency_generation",
  "input": {
    "portrait_image": {
      "field_name": "portrait_image",
      "default": "",
      "description": "1张人物肖像图，传入标准 Base64 编码字符串（或普通 URL）",
      "example": "https://oss.showapi.com/doc/4888/3/cd7f7309e377_1779421308556.jpg?x-oss-process=image/resize,p_100",
      "type": "base64",
      "required": true
    },
    "type": {
      "field_name": "type",
      "default": "森系",
      "description": "写真类型（清新日系、复古怀旧、古风、私房写真、森系、时尚杂志风、情绪片、生活写真等）",
      "example": "森系",
      "type": "string",
      "required": true
    },
    "aspect_ratio": {
      "field_name": "aspect_ratio",
      "default": "1:1",
      "description": "生成图像宽高比（可选值：1:1、3:4、4:3、16:9、9:16）",
      "example": "1:1",
      "type": "string",
      "required": false
    }
  },
  "steps": [
    {
      "id": "step_1_extract_features",
      "point_code": "",
      "result": [],
      "api_code": "portrait_feature_extract",
      "backend_type": "prompt_api",
      "status": "PENDING",
      "name": "肖像面部特征锚点提取",
      "action": "run",
      "params": {
        "img_list": [
          {
            "url": "{{@input.portrait_image}}"
          }
        ],
        "user_prompt": "深度分析图中人物面部特征，包括五官结构（眼型/鼻型/唇型）、脸型轮廓、肤色基调、表情基调，给出结构化总结，确保提取的特征可作为一致性约束锚点。"
      }
    },
    {
      "id": "step_2_generate_prompt",
      "point_code": "",
      "result": [],
      "api_code": "pro_photo_prompt_generate",
      "backend_type": "prompt_api",
      "status": "PENDING",
      "name": "专业写真正向提示词生成",
      "action": "run",
      "params": {
        "face_features": "{{@step_1_extract_features.result.data.structured_analysis.entities}}",
        "type": "{{@input.type}}",
        "aspect_ratio": "{{@input.aspect_ratio}}"
      },
      "depends_on": [
        "step_1_extract_features"
      ]
    },
    {
      "id": "step_3_generate_variants",
      "point_code": "",
      "result": [],
      "api_code": "photo_scene_variant_generate",
      "backend_type": "prompt_api",
      "status": "PENDING",
      "name": "写真多构图场景变体生成",
      "action": "run",
      "params": {
        "variant_count": 3,
        "main_prompt": "{{@step_2_generate_prompt.result.data.result}}",
        "semantic_structure": "{{@step_2_generate_prompt.result.data.structured_analysis.semantic_structure}}"
      },
      "depends_on": [
        "step_2_generate_prompt"
      ]
    },
    {
      "result": [],
      "iterator": "{{@step_3_generate_variants.result.data.content_variants}}",
      "status": "PENDING",
      "aggregates": [
        {
          "field": "data.result_url",
          "into": "generated_image_urls"
        },
        {
          "field": "data.task_id",
          "into": "generated_task_ids"
        }
      ],
      "params": {
        "referImages": [
          "{{@input.portrait_image}}"
        ],
        "prompt": "{{@variant.content}}",
        "aspect_ratio": "{{@input.aspect_ratio}}"
      },
      "depends_on": [
        "step_3_generate_variants"
      ],
      "point_code": "1",
      "id": "step_4_generate_images",
      "backend_type": "sys_api",
      "api_code": "3373",
      "item_name": "variant",
      "name": "批量图生图执行（多构图变体）",
      "action": "foreach"
    },
    {
      "result": [],
      "iterator": "{{@step_4_generate_images.result.data.aggregated.generated_image_urls}}",
      "status": "PENDING",
      "aggregates": [
        {
          "field": "data.result_url",
          "into": "final_image_urls"
        }
      ],
      "params": {
        "result_url": "{{@image_url}}"
      },
      "depends_on": [
        "step_4_generate_images"
      ],
      "polling": {
        "interval_seconds": 5,
        "timeout_seconds": 600,
        "success_condition": "{{@step_5_poll_images.result.data.task_status}} === 'SUCCEEDED'"
      },
      "point_code": "",
      "id": "step_5_poll_images",
      "api_code": "polling",
      "backend_type": "sys_api",
      "item_name": "image_url",
      "name": "批量轮询图生图任务状态",
      "action": "foreach"
    },
    {
      "result": [],
      "iterator": "{{@step_5_poll_images.result.data.aggregated.final_image_urls}}",
      "status": "PENDING",
      "aggregates": [
        {
          "field": "data.structured_analysis.entities",
          "into": "consistency_entities"
        },
        {
          "field": "data.structured_analysis.visual_summary.consistency_issues",
          "into": "consistency_issues"
        },
        {
          "field": "data.suggestions.improvements",
          "into": "improvement_suggestions"
        }
      ],
      "params": {
        "img_list": [
          {
            "url": "{{@input.portrait_image}}"
          },
          {
            "url": "{{@final_url}}"
          }
        ],
        "reference_features": "{{@step_1_extract_features.result.data.structured_analysis.entities}}",
        "user_prompt": "比对图中两张人物照片的面部特征一致性，重点评估五官结构（眼型/鼻型/唇型）、脸型轮廓、肤色基调是否保持一致，是否存在身份漂移、年龄变化或风格突变，给出一致性评分与改进建议。"
      },
      "depends_on": [
        "step_5_poll_images"
      ],
      "point_code": "",
      "id": "step_6_consistency_check",
      "backend_type": "prompt_api",
      "api_code": "photo_consistency_check",
      "item_name": "final_url",
      "name": "写真一致性质检评估",
      "action": "foreach"
    }
  ],
  "output": {
    "feature_anchor": {
      "field_name": "feature_anchor",
      "description": "提取的面部特征锚点实体列表",
      "value": "{{@step_1_extract_features.result.data.structured_analysis.entities}}",
      "type": "array"
    },
    "consistency_report": {
      "field_name": "consistency_report",
      "description": "每张生成图的一致性评估实体列表",
      "value": "{{@step_6_consistency_check.result.data.aggregated.consistency_entities}}",
      "type": "array"
    },
    "main_prompt": {
      "field_name": "main_prompt",
      "description": "生成的主提示词文本",
      "value": "{{@step_2_generate_prompt.result.data.result}}",
      "type": "string"
    },
    "improvement_suggestions": {
      "field_name": "improvement_suggestions",
      "description": "一致性改进建议汇总",
      "value": "{{@step_6_consistency_check.result.data.aggregated.improvement_suggestions}}",
      "type": "array"
    },
    "final_images": {
      "field_name": "final_images",
      "description": "最终生成的多构图写真图片URL列表",
      "value": "{{@step_5_poll_images.result.data.aggregated.final_image_urls}}",
      "type": "array"
    },
    "consistency_issues": {
      "field_name": "consistency_issues",
      "description": "检测到的一致性问题汇总",
      "value": "{{@step_6_consistency_check.result.data.aggregated.consistency_issues}}",
      "type": "array"
    }
  }
}