手抄报线稿模板生成

{
  "workflow_id": "handwritten_newspaper_template_generator",
  "input": {
    "ratio": {
      "field_name": "ratio",
      "default": "4:3",
      "description": "画面宽高比，可选值：4:3、3:4、16:9、1:1",
      "example": "4:3",
      "required": false,
      "type": "string"
    },
    "theme": {
      "field_name": "theme",
      "default": "",
      "description": "手抄报主题（如国庆节、中秋节、植树节、消防日等）",
      "example": "国庆节",
      "required": true,
      "type": "string"
    },
    "grade": {
      "field_name": "grade",
      "default": "低年级",
      "description": "年级段（低/中/高年级），决定排版复杂度与留白比例",
      "example": "低年级",
      "required": true,
      "type": "string"
    }
  },
  "steps": [
    {
      "id": "step_0_prompt_guardian",
      "point_code": "1",
      "backend_type": "sys_api",
      "api_code": "prompt_guardian",
      "status": "PENDING",
      "name": "合规校验优化",
      "action": "run",
      "params": []
    },
    {
      "point_code": "",
      "id": "step_1_intent_analyze",
      "result": [],
      "backend_type": "prompt_api",
      "api_code": "handwritten_newspaper_intent_analyze",
      "status": "PENDING",
      "name": "手抄报意图解析与排版策略生成",
      "action": "run",
      "params": {
        "theme": "{{@input.theme}}",
        "grade": "{{@input.grade}}"
      }
    },
    {
      "id": "step_2_prompt_generate",
      "point_code": "",
      "result": [],
      "backend_type": "prompt_api",
      "api_code": "handwritten_newspaper_prompt_generate",
      "status": "PENDING",
      "name": "手抄报黑白线稿生图提示词生成",
      "action": "run",
      "params": {
        "decorative_elements": "{{@step_1_intent_analyze.result.data.decorative_elements}}",
        "title_text": "{{@step_1_intent_analyze.result.data.title_text}}",
        "compliance_constraints": "{{@step_1_intent_analyze.result.data.compliance_constraints}}",
        "layout_strategy": "{{@step_1_intent_analyze.result.data.layout_strategy}}"
      },
      "depends_on": [
        "step_1_intent_analyze"
      ]
    },
    {
      "id": "step_3_start_image_task",
      "point_code": "1",
      "result": [],
      "backend_type": "sys_api",
      "api_code": "3373",
      "status": "PENDING",
      "name": "启动手抄报线稿图像生成任务",
      "action": "run",
      "params": {
        "prompt": "{{@step_2_prompt_generate.result.data.positive_prompt}}, {{@step_2_prompt_generate.result.data.negative_prompt}}",
        "aspect_ratio": "{{@input.ratio}}"
      },
      "depends_on": [
        "step_2_prompt_generate"
      ]
    },
    {
      "point_code": "",
      "id": "step_4_poll_image_status",
      "result": [],
      "backend_type": "sys_api",
      "api_code": "polling",
      "name": "轮询手抄报线稿图像生成状态",
      "action": "run",
      "params": {
        "result_url": "{{@step_3_start_image_task.result.data.result_url}}"
      },
      "depends_on": [
        "step_3_start_image_task"
      ],
      "polling": {
        "interval_seconds": 5,
        "timeout_seconds": 1200,
        "success_condition": "{{@step_4_poll_image_status.result.data.task_status}} === 'SUCCEEDED'"
      }
    },
    {
      "id": "step_5_resize_for_a4",
      "point_code": "8",
      "result": [],
      "backend_type": "sys_api",
      "api_code": "1",
      "status": "PENDING",
      "name": "A4打印尺寸适配缩放",
      "action": "run",
      "params": {
        "height": "2400",
        "width": "3200",
        "src_img_url": "{{@step_4_poll_image_status.result.data.result_url}}",
        "type": "size",
        "keepRate": "1"
      },
      "depends_on": [
        "step_4_poll_image_status"
      ]
    }
  ],
  "output": {
    "title_text": {
      "field_name": "title_text",
      "description": "模板中的标题文字信息（包含简体中文内容及艺术字风格）",
      "value": "{{@step_1_intent_analyze.result.data.title_text}}",
      "type": "object"
    },
    "compliance_constraints": {
      "field_name": "compliance_constraints",
      "description": "合规约束信息（包含禁用元素及替换建议）",
      "value": "{{@step_1_intent_analyze.result.data.compliance_constraints}}",
      "type": "object"
    },
    "layout_strategy": {
      "field_name": "layout_strategy",
      "description": "根据年级生成的排版策略（包含留白框数量、插画比例等）",
      "value": "{{@step_1_intent_analyze.result.data.layout_strategy}}",
      "type": "object"
    },
    "template_image_url": {
      "field_name": "template_image_url",
      "description": "最终生成的A4打印适配手抄报黑白线稿模板图URL",
      "value": "{{@step_5_resize_for_a4.result.data.des_pic_url}}",
      "type": "string"
    }
  }
}