高级文创设计

{
  "workflow_id": "cultural_design_4grid_generation",
  "input": {
    "grid_num": {
      "field_name": "grid_num",
      "default": 4,
      "description": "画面排版宫格数量，仅支持固定值：1、2、3、4，异常时系统兜底为4",
      "example": 4,
      "required": true,
      "type": "integer"
    },
    "image": {
      "field_name": "image",
      "default": "",
      "description": "用户上传的参考图图片，传入标准 Base64 编码字符串（或普通 URL），若为空则采用无图模板分支",
      "example": "",
      "required": false,
      "type": "base64"
    },
    "prompt": {
      "field_name": "prompt",
      "default": "",
      "description": "用户提示词，描述文创设计的核心主题",
      "example": "昆明滇池湿地公园",
      "required": false,
      "type": "string"
    },
    "aspect_ratio": {
      "field_name": "aspect_ratio",
      "default": "1:1",
      "description": "图像宽高比，可选值：1:1、3:4、4:3、16:9、9:16",
      "example": "1:1",
      "required": false,
      "type": "string"
    }
  },
  "steps": [
    {
      "point_code": "",
      "id": "step_1_intent_analyzer",
      "result": [],
      "backend_type": "prompt_api",
      "api_code": "intent_analyzer",
      "status": "PENDING",
      "name": "意图与参数校验解析",
      "action": "run",
      "params": {
        "provided_params": {
          "grid_num": "{{@input.grid_num}}",
          "image": "{{@input.image}}",
          "prompt": "{{@input.prompt}}",
          "aspect_ratio": "{{@input.aspect_ratio}}"
        },
        "raw_requirement": "生成文创设计图"
      }
    },
    {
      "point_code": "",
      "id": "step_2_prompt_template_builder",
      "result": [],
      "backend_type": "prompt_api",
      "api_code": "prompt_template_builder",
      "status": "PENDING",
      "name": "提示词模板规则构建",
      "action": "run",
      "params": {
        "image_status": "{{@step_1_intent_analyzer.result.data.validated_params.image_status}}",
        "validated_prompt": "{{@step_1_intent_analyzer.result.data.validated_params.prompt}}",
        "validated_grid_num": "{{@step_1_intent_analyzer.result.data.validated_params.grid_num}}"
      },
      "depends_on": [
        "step_1_intent_analyzer"
      ]
    },
    {
      "point_code": "1",
      "id": "step_3_generate_image",
      "result": [],
      "backend_type": "sys_api",
      "api_code": "3373",
      "status": "PENDING",
      "name": "启动图像生成任务",
      "action": "run",
      "params": {
        "referImages": "{{@input.image}}",
        "prompt": "{{@step_2_prompt_template_builder.result.data.result}}",
        "aspect_ratio": "{{@step_1_intent_analyzer.result.data.validated_params.aspect_ratio}}"
      },
      "depends_on": [
        "step_2_prompt_template_builder"
      ]
    },
    {
      "point_code": "",
      "id": "step_4_poll_image_status",
      "result": [],
      "backend_type": "sys_api",
      "api_code": "polling",
      "status": "PENDING",
      "name": "轮询图像生成状态",
      "action": "run",
      "params": {
        "result_url": "{{@step_3_generate_image.result.data.result_url}}"
      },
      "depends_on": [
        "step_3_generate_image"
      ],
      "polling": {
        "interval_seconds": 5,
        "timeout_seconds": 600,
        "success_condition": "{{@step_4_poll_image_status.result.data.task_status}} === 'SUCCEEDED'"
      }
    }
  ],
  "output": {
    "task_id": {
      "field_name": "task_id",
      "description": "图像生成任务的唯一标识",
      "value": "{{@step_3_generate_image.result.data.task_id}}",
      "type": "string"
    },
    "final_composition_prompt": {
      "field_name": "final_composition_prompt",
      "description": "最终构建的纯文本构图提示词，供核查规则执行情况",
      "value": "{{@step_2_prompt_template_builder.result.data.result}}",
      "type": "string"
    },
    "result_image_url": {
      "field_name": "result_image_url",
      "description": "生成的文创效果图URL",
      "value": "{{@step_4_poll_image_status.result.data.result_url}}",
      "type": "string"
    }
  }
}