十字绣图纸生成器

{
  "workflow_id": "cross_stitch_chart_generator",
  "input": {
    "img_url": {
      "field_name": "img_url",
      "default": "",
      "description": "原图图片URL或Base64编码字符串",
      "example": "https://showapi-pub-hangzhou.oss-cn-hangzhou.aliyuncs.com/huangye/img_811b0ea9-0210-4736-8f47-2ba528e7c02a.png",
      "required": true,
      "type": "base64"
    },
    "grid_density": {
      "field_name": "grid_density",
      "default": "14ct",
      "description": "绣布目数规格（CT值），影响针数计算密度，如14ct、11ct等",
      "example": "14ct",
      "required": false,
      "type": "string"
    }
  },
  "steps": [
    {
      "point_code": "1",
      "id": "step_0_prompt_guardian",
      "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_vision_analyzer",
      "result": [],
      "backend_type": "prompt_api",
      "api_code": "cross_stitch_vision_analyzer",
      "status": "PENDING",
      "name": "原图视觉构图分析",
      "action": "run",
      "params": {
        "merge_context": {
          "fusion_strategy": "semantic",
          "upstream_content": ""
        },
        "img_list": [
          {
            "url": "{{@input.img_url}}"
          }
        ],
        "user_prompt": "分析这张照片的内容与构图，识别主体位置与画面重心，基于十字绣制作特点推荐最合适的画面比例（如1:1正方形、3:4竖向、4:3横向等），避免关键内容被裁切或留白过多，给出裁切建议与主体区域描述。"
      }
    },
    {
      "point_code": "",
      "id": "step_2_color_mapper",
      "result": [],
      "backend_type": "prompt_api",
      "api_code": "cross_stitch_color_mapper",
      "status": "PENDING",
      "name": "色彩降维与DMC色号映射",
      "action": "run",
      "params": {
        "merge_context": {
          "fusion_strategy": "semantic",
          "upstream_content": "{{@step_1_vision_analyzer.result.data.result}}"
        },
        "subject_description": "{{@step_1_vision_analyzer.result.data.composition_analysis.subject_description}}",
        "detail_density": "{{@step_1_vision_analyzer.result.data.visual_summary.detail_density}}",
        "max_colors": 25,
        "color_tone": "{{@step_1_vision_analyzer.result.data.visual_summary.color_tone}}"
      },
      "depends_on": [
        "step_1_vision_analyzer"
      ]
    },
    {
      "point_code": "",
      "id": "step_3_material_calculator",
      "result": [],
      "backend_type": "prompt_api",
      "api_code": "cross_stitch_material_calculator",
      "status": "PENDING",
      "name": "物理用量计算",
      "action": "run",
      "params": {
        "merge_context": {
          "fusion_strategy": "logical",
          "upstream_content": "{{@step_2_color_mapper.result.data.result}}"
        },
        "recommended_ratio": "{{@step_1_vision_analyzer.result.data.recommended_ratio.primary.ratio}}",
        "grid_density": "{{@input.grid_density}}",
        "base_width_inches": 10,
        "dmc_color_palette": "{{@step_2_color_mapper.result.data.dmc_color_palette}}"
      },
      "depends_on": [
        "step_1_vision_analyzer",
        "step_2_color_mapper"
      ]
    },
    {
      "point_code": "",
      "id": "step_4_label_generator",
      "result": [],
      "backend_type": "prompt_api",
      "api_code": "cross_stitch_label_generator",
      "status": "PENDING",
      "name": "简体中文标注生成",
      "action": "run",
      "params": {
        "merge_context": {
          "fusion_strategy": "stylistic",
          "upstream_content": "{{@step_3_material_calculator.result.data.result}}"
        },
        "fabric_size_cm": "{{@step_3_material_calculator.result.data.fabric_size_cm}}",
        "grid_density": "{{@input.grid_density}}",
        "dmc_color_palette": "{{@step_2_color_mapper.result.data.dmc_color_palette}}",
        "color_stitch_counts": "{{@step_3_material_calculator.result.data.color_stitch_counts}}"
      },
      "depends_on": [
        "step_2_color_mapper",
        "step_3_material_calculator"
      ]
    },
    {
      "point_code": "1",
      "id": "step_5_generate_chart_image",
      "result": [],
      "backend_type": "sys_api",
      "api_code": "3373",
      "status": "PENDING",
      "name": "启动十字绣图纸生图任务",
      "action": "run",
      "params": {
        "referImages": [
          "{{@input.img_url}}"
        ],
        "prompt": "将这张图片转化为专业的十字绣格子图纸风格。画面需呈现清晰的网格底纹，主体内容以色块方式填充网格，整体色彩降维为有限的绣线色号，保留关键主体细节，边缘保留适当标注边距。图纸风格要求：工整、方正、色彩分明、具有工程图纸的严谨感。",
        "aspect_ratio": "{{@step_1_vision_analyzer.result.data.recommended_ratio.primary.ratio}}"
      },
      "depends_on": [
        "step_1_vision_analyzer"
      ]
    },
    {
      "point_code": "",
      "id": "step_6_poll_chart_image",
      "result": [],
      "backend_type": "sys_api",
      "api_code": "polling",
      "status": "PENDING",
      "name": "轮询图纸图像生成状态",
      "action": "run",
      "params": {
        "result_url": "{{@step_5_generate_chart_image.result.data.result_url}}"
      },
      "depends_on": [
        "step_5_generate_chart_image"
      ],
      "polling": {
        "interval_seconds": 5,
        "timeout_seconds": 1200,
        "success_condition": "{{@step_6_poll_chart_image.result.data.task_status}} === 'SUCCEEDED'"
      }
    },
    {
      "point_code": "",
      "id": "step_7_result_merger",
      "result": [],
      "backend_type": "prompt_api",
      "api_code": "cross_stitch_result_merger",
      "status": "PENDING",
      "name": "最终图纸交付物融合",
      "action": "run",
      "params": {
        "color_legend_table": "{{@step_4_label_generator.result.data.color_legend_table}}",
        "merge_context": {
          "fusion_strategy": "structural",
          "priority_rules": [
            "图像色号与表格严格对应优先"
          ]
        },
        "composition_analysis": "{{@step_1_vision_analyzer.result.data.composition_analysis}}",
        "specification_notes": "{{@step_4_label_generator.result.data.specification_notes}}",
        "chart_image_url": "{{@step_6_poll_chart_image.result.data.result_url}}",
        "material_summary_text": "{{@step_4_label_generator.result.data.material_summary_text}}"
      },
      "depends_on": [
        "step_6_poll_chart_image",
        "step_1_vision_analyzer",
        "step_4_label_generator",
        "step_3_material_calculator"
      ]
    }
  ],
  "output": {
    "final_chart_package": {
      "field_name": "final_chart_package",
      "description": "完整的十字绣图纸交付物结构（包含图像URL、色号对照表、用量统计、规格说明、构图信息）",
      "value": "{{@step_7_result_merger.result.data.final_chart_package}}",
      "type": "object"
    }
  }
}