美甲效果图智能生成

{
  "workflow_id": "nail_effect_generation",
  "input": {
    "design_img": {
      "field_name": "design_img",
      "default": "",
      "description": "甲片设计草图图片（传入标准 Base64 编码字符串或普通 URL）",
      "example": "https://showapi-pub-hangzhou.oss-cn-hangzhou.aliyuncs.com/huangye/img_2d9090af-6a41-4c56-aad0-d7b92e63c0cc.jpg",
      "required": true,
      "type": "base64"
    },
    "finger_img": {
      "field_name": "finger_img",
      "default": "",
      "description": "模特指部照片（传入标准 Base64 编码字符串或普通 URL）",
      "example": "https://showapi-pub-hangzhou.oss-cn-hangzhou.aliyuncs.com/huangye/img_88c77ee7-0489-446e-90b9-6d5af65e6814.jpg",
      "required": true,
      "type": "base64"
    },
    "aspect_ratio": {
      "field_name": "aspect_ratio",
      "default": "3:4",
      "description": "生成图像的宽高比，可选值：1:1、3:4、4:3、16:9、9:16",
      "example": "1:1",
      "required": false,
      "type": "string"
    },
    "prompt_text": {
      "field_name": "prompt_text",
      "default": "",
      "description": "用户选填的提示词。为空时严格还原设计图；若包含丰富效果要求（如加闪粉、更立体），则适度增强但锚定核心设计特征",
      "example": "指甲修短一点点",
      "required": false,
      "type": "string"
    }
  },
  "steps": [
    {
      "id": "step_0_prompt_guardian",
      "point_code": "1",
      "api_code": "prompt_guardian",
      "backend_type": "sys_api",
      "status": "PENDING",
      "name": "合规校验优化",
      "action": "run",
      "params": []
    },
    {
      "point_code": "",
      "id": "step_1_analyze_design",
      "result": [],
      "api_code": "nail_design_analyzer",
      "backend_type": "prompt_api",
      "status": "PENDING",
      "name": "美甲设计图视觉深度分析",
      "action": "run",
      "params": {
        "merge_context": {
          "upstream_content": "",
          "fusion_strategy": "objective_extraction"
        },
        "img_list": [
          {
            "url": "{{@input.design_img}}"
          }
        ],
        "user_prompt": "深度分析这张美甲设计草图，提取以下维度信息：1.整体美甲风格（如极简、法式、日系、复古、3D立体等）；2.主色调与副色调（精确描述颜色名称与色感）；3.图案元素（如花卉、几何、渐变、线条、亮片等，逐一列出）；4.纹理与材质特征（如哑光、珠光、猫眼、浮雕等）；5.图案复杂度评级（简单/中等/复杂）；6.核心设计意图一句话总结。请务必客观精准提取，不遗漏细节。"
      }
    },
    {
      "point_code": "",
      "id": "step_2_engineer_prompt",
      "result": [],
      "api_code": "nail_effect_prompt_engineer",
      "backend_type": "prompt_api",
      "status": "PENDING",
      "name": "提示词工程与融合策略生成",
      "action": "run",
      "params": {
        "merge_context": {
          "fusion_strategy": "constraint_fusion",
          "upstream_content": "{{@step_1_analyze_design.result.data.structured_analysis.nail_features}}",
          "priority_rules": [
            "还原原则>用户丰富要求>模型自由创作"
          ]
        },
        "nail_features_json": "{{@step_1_analyze_design.result.data.structured_analysis.nail_features}}",
        "user_original_prompt": "{{@input.prompt_text}}"
      },
      "depends_on": [
        "step_1_analyze_design"
      ]
    },
    {
      "point_code": "1",
      "id": "step_3_generate_nail_image",
      "result": [],
      "api_code": "3373",
      "backend_type": "sys_api",
      "status": "PENDING",
      "name": "生成美甲效果图",
      "action": "run",
      "params": {
        "referImages": [
          "{{@input.finger_img}}"
        ],
        "prompt": "{{@step_2_engineer_prompt.result.data.content_variants.1.content}}",
        "aspect_ratio": "{{@input.aspect_ratio}}"
      },
      "depends_on": [
        "step_2_engineer_prompt"
      ]
    },
    {
      "point_code": "",
      "id": "step_4_poll_nail_image",
      "result": [],
      "api_code": "polling",
      "backend_type": "sys_api",
      "status": "PENDING",
      "name": "轮询美甲效果图生成状态",
      "action": "run",
      "params": {
        "result_url": "{{@step_3_generate_nail_image.result.data.result_url}}"
      },
      "depends_on": [
        "step_3_generate_nail_image"
      ],
      "polling": {
        "interval_seconds": 5,
        "timeout_seconds": 1800,
        "success_condition": "{{@step_4_poll_nail_image.result.data.task_status}} === 'SUCCEEDED'"
      }
    }
  ],
  "output": {
    "final_negative_prompt": {
      "field_name": "final_negative_prompt",
      "description": "合成的负向约束提示词",
      "value": "{{@step_2_engineer_prompt.result.data.content_variants.2.content}}",
      "type": "string"
    },
    "nail_effect_image_url": {
      "field_name": "nail_effect_image_url",
      "description": "最终生成的美甲效果图URL",
      "value": "{{@step_4_poll_nail_image.result.data.result_url}}",
      "type": "string"
    },
    "nail_features": {
      "field_name": "nail_features",
      "description": "从设计图提取的结构化美甲特征（风格、色彩、图案、纹理、复杂度、核心意图）",
      "value": "{{@step_1_analyze_design.result.data.structured_analysis.nail_features}}",
      "type": "object"
    },
    "mode_used": {
      "field_name": "mode_used",
      "description": "提示词工程使用的模式（严格还原模式/增强模式）",
      "value": "{{@step_2_engineer_prompt.result.data.structured_analysis.entities.1.value}}",
      "type": "string"
    },
    "final_positive_prompt": {
      "field_name": "final_positive_prompt",
      "description": "合成的正向生图提示词",
      "value": "{{@step_2_engineer_prompt.result.data.content_variants.1.content}}",
      "type": "string"
    }
  }
}