app:
  description: 'Laser card AI 镭射卡 5-variant 生成器。前端已抠图，传入 cutout_url 直接合成。'
  icon: 🤖
  icon_background: '#FFEAD5'
  mode: workflow
  name: laser_card_variants_v1
  use_icon_as_answer_icon: false
kind: app
version: 0.1.4
workflow:
  conversation_variables: []
  environment_variables:
    - description: 'laser-compositor 合成服务地址'
      name: LASER_COMPOSITOR_HOST
      value: 'http://host.docker.internal:7000'
      value_type: string
    - description: 'MiniMax API 密钥'
      name: MINIMAX_API_KEY
      value: ''
      value_type: secret
  features:
    file_upload:
      image:
        enabled: false
        number_limits: 3
        transfer_methods:
          - local_file
          - remote_url
    opening_statement: ''
    retriever_resource:
      enabled: false
    sensitive_word_avoidance:
      enabled: false
    speech_to_text:
      enabled: false
    suggested_questions: []
    suggested_questions_after_answer:
      enabled: false
    text_to_speech:
      enabled: false
      language: ''
      voice: ''
  graph:
    edges:
      # start → 参数展开
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: start
          targetType: code
        id: start-source-code-param-target
        source: start
        sourceHandle: source
        target: code-param
        targetHandle: target
        type: custom
        zIndex: 0
      # 参数展开 → 循环
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: code
          targetType: iteration
        id: code-param-source-loop-variants-target
        source: code-param
        sourceHandle: source
        target: loop-variants
        targetHandle: target
        type: custom
        zIndex: 0
      # 循环 → 聚合
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: iteration
          targetType: code
        id: loop-variants-source-code-agg-target
        source: loop-variants
        sourceHandle: source
        target: code-agg
        targetHandle: target
        type: custom
        zIndex: 0
      # 聚合 → 结束
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: code
          targetType: end
        id: code-agg-source-end-target
        source: code-agg
        sourceHandle: source
        target: end
        targetHandle: target
        type: custom
        zIndex: 0
      # === 循环内部 ===
      # iter-start → MiniMax 背景
      - data:
          isInIteration: true
          iteration_id: loop-variants
          isInLoop: false
          sourceType: start
          targetType: http-request
        id: iter-start-source-http-bg-target
        source: iter-start
        sourceHandle: source
        target: http-bg
        targetHandle: target
        type: custom
        zIndex: 1000
      # MiniMax 背景 → MiniMax 装饰
      - data:
          isInIteration: true
          iteration_id: loop-variants
          isInLoop: false
          sourceType: http-request
          targetType: http-request
        id: http-bg-source-http-overlay-target
        source: http-bg
        sourceHandle: source
        target: http-overlay
        targetHandle: target
        type: custom
        zIndex: 1000
      # MiniMax 装饰 → compositor
      - data:
          isInIteration: true
          iteration_id: loop-variants
          isInLoop: false
          sourceType: http-request
          targetType: http-request
        id: http-overlay-source-http-compositor-target
        source: http-overlay
        sourceHandle: source
        target: http-compositor
        targetHandle: target
        type: custom
        zIndex: 1000
    nodes:
      # ================================================================
      # 开始节点
      # ================================================================
      - data:
          desc: '接收抠图后的 cutout_url 和 generation 参数'
          selected: false
          title: 开始
          type: start
          variables:
            - label: cutout_url
              max_length: 2048
              options: []
              required: false
              type: text-input
              variable: cutout_url
            - default: '["dream","classic","holoFull","ice","sunset"]'
              label: preset_codes
              max_length: 2048
              options: []
              required: false
              type: text-input
              variable: preset_codes
            - label: render_configs
              max_length: 20480
              options: []
              required: true
              type: text-input
              variable: render_configs
        height: 150
        id: start
        position:
          x: 30
          y: 300
        positionAbsolute:
          x: 30
          y: 300
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
      # ================================================================
      # 代码节点 — 参数展开
      # ================================================================
      - data:
          code: "import json\n\ndef main(preset_codes: str, render_configs: str) -> dict:\n    preset_list = []\n    if preset_codes and preset_codes.strip():\n        try:\n            parsed = json.loads(preset_codes)\n            if isinstance(parsed, list):\n                preset_list = parsed\n        except:\n            pass\n    if not preset_list:\n        preset_list = [\"dream\", \"classic\", \"holoFull\", \"ice\", \"sunset\"]\n    configs = []\n    if render_configs and render_configs.strip():\n        try:\n            parsed = json.loads(render_configs)\n            if isinstance(parsed, list):\n                configs = parsed\n        except:\n            pass\n    config_map = {}\n    for rc in configs:\n        if isinstance(rc, dict) and \"preset_id\" in rc:\n            config_map[rc[\"preset_id\"]] = rc\n    variants = []\n    for pc in preset_list:\n        if pc in config_map:\n            cfg = config_map[pc]\n            variants.append({\n                \"preset_id\": pc,\n                \"grating_config\": cfg.get(\"grating_config\", {}),\n                \"bg_prompt\": cfg.get(\"bg_prompt\", \"\"),\n                \"overlay_prompt\": cfg.get(\"overlay_prompt\", \"\"),\n            })\n    return {\n        \"variants\": variants,\n        \"variant_count\": len(variants),\n    }\n"
          code_language: python3
          dependencies: []
          desc: '解析 JSON 字符串 → 构建 variants 列表'
          outputs:
            variant_count:
              children: null
              type: number
            variants:
              children: null
              type: array[object]
          selected: false
          title: 参数展开
          type: code
          variables:
            - value_selector:
                - start
                - preset_codes
              variable: preset_codes
            - value_selector:
                - start
                - render_configs
              variable: render_configs
        height: 84
        id: code-param
        position:
          x: 320
          y: 300
        positionAbsolute:
          x: 320
          y: 300
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
      # ================================================================
      # 循环节点
      # ================================================================
      - data:
          desc: '对每个 variant 分别生成背景图、装饰图、合成最终镭射卡'
          error_handle_mode: terminated
          height: 351
          iterator_selector:
            - code-param
            - variants
          is_parallel: false
          output_selector:
            - http-compositor
            - body
          output_type: array[string]
          parallel_nums: 1
          selected: false
          startNodeType: start
          start_node_id: iter-start
          title: 遍历 Variants
          type: iteration
          width: 953
        height: 351
        id: loop-variants
        position:
          x: 610
          y: 300
        positionAbsolute:
          x: 610
          y: 300
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 953
        zIndex: 1
      # ================================================================
      # 循环内部 — 开始
      # ================================================================
      - data:
          desc: 当前 variant_item
          isInIteration: true
          iteration_id: loop-variants
          selected: false
          title: 循环项
          type: start
          variables: []
        extent: parent
        height: 54
        id: iter-start
        parentId: loop-variants
        position:
          x: 87
          y: 120
        positionAbsolute:
          x: 697
          y: 420
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
        zIndex: 1001
      # ================================================================
      # 循环内部 — MiniMax 背景
      # ================================================================
      - data:
          authorization:
            config:
              api_key: '{{#env.MINIMAX_API_KEY#}}'
            type: bearer-api-key
          body:
            data: '{"model": "image-01", "prompt": "{{#loop-variants.item.bg_prompt#}}", "aspect_ratio": "3:4", "n": 1, "prompt_optimizer": true, "response_format": "url"}'
            type: json
          desc: '根据 bg_prompt 生成 3:4 背景'
          headers: 'Content-Type: application/json'
          isInIteration: true
          iteration_id: loop-variants
          method: post
          params: ''
          selected: false
          timeout:
            max_connect_timeout: 10
            max_read_timeout: 60
            max_write_timeout: 20
          title: MiniMax 背景图
          type: http-request
          url: 'https://api.minimaxi.com/v1/image_generation'
          variables: []
        extent: parent
        height: 93
        id: http-bg
        parentId: loop-variants
        position:
          x: 377
          y: 120
        positionAbsolute:
          x: 987
          y: 420
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
        zIndex: 1001
      # ================================================================
      # 循环内部 — MiniMax 装饰
      # ================================================================
      - data:
          authorization:
            config:
              api_key: '{{#env.MINIMAX_API_KEY#}}'
            type: bearer-api-key
          body:
            data: '{"model": "image-01", "prompt": "{{#loop-variants.item.overlay_prompt#}}", "aspect_ratio": "3:4", "n": 1, "prompt_optimizer": true, "response_format": "url"}'
            type: json
          desc: '根据 overlay_prompt 生成透明装饰层'
          headers: 'Content-Type: application/json'
          isInIteration: true
          iteration_id: loop-variants
          method: post
          params: ''
          selected: false
          timeout:
            max_connect_timeout: 10
            max_read_timeout: 60
            max_write_timeout: 20
          title: MiniMax 装饰图
          type: http-request
          url: 'https://api.minimaxi.com/v1/image_generation'
          variables: []
        extent: parent
        height: 93
        id: http-overlay
        parentId: loop-variants
        position:
          x: 667
          y: 120
        positionAbsolute:
          x: 1277
          y: 420
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
        zIndex: 1001
      # ================================================================
      # 循环内部 — compositor 合成
      # ================================================================
      - data:
          authorization:
            type: no-auth
          body:
            data: '{"background_url": "{{#http-bg.body.data.image_urls[0]#}}", "cutout_url": "{{#start.cutout_url#}}", "overlay_url": "{{#http-overlay.body.data.image_urls[0]#}}", "grating_config": {{#loop-variants.item.grating_config#}}, "export_width": 450, "export_height": 600, "output_oss_key": "laser-card/dify/{{#loop-variants.item.preset_id#}}"}'
            type: json
          desc: '调用 laser-compositor /compose 6层合成'
          headers: 'Content-Type: application/json'
          isInIteration: true
          iteration_id: loop-variants
          method: post
          params: ''
          selected: false
          timeout:
            max_connect_timeout: 10
            max_read_timeout: 60
            max_write_timeout: 20
          title: 合成 6 层镭射卡
          type: http-request
          url: '{{#env.LASER_COMPOSITOR_HOST#}}/compose'
          variables: []
        extent: parent
        height: 93
        id: http-compositor
        parentId: loop-variants
        position:
          x: 957
          y: 120
        positionAbsolute:
          x: 1567
          y: 420
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
        zIndex: 1001
      # ================================================================
      # 代码节点 — 聚合输出
      # ================================================================
      - data:
          code: "import json\n\ndef main(loop_output: list) -> dict:\n    variants = []\n    warnings = []\n    for i, item in enumerate(loop_output or []):\n        if isinstance(item, str):\n            try:\n                item = json.loads(item)\n            except:\n                pass\n        if isinstance(item, dict) and item.get(\"status\") == \"succeeded\":\n            variants.append({\n                \"preset_id\": item.get(\"preset_id\", f\"variant_{i}\"),\n                \"oss_key\": item.get(\"oss_key\", \"\"),\n                \"signed_url\": item.get(\"signed_url\", \"\"),\n                \"width\": item.get(\"width\", 450),\n                \"height\": item.get(\"height\", 600),\n            })\n        else:\n            warnings.append(f\"variant_{i} 合成失败\")\n    return {\n        \"status\": \"succeeded\" if len(variants) > 0 else \"failed\",\n        \"variants\": json.dumps(variants),\n        \"warnings\": json.dumps(warnings),\n    }\n"
          code_language: python3
          dependencies: []
          desc: '收集循环结果，输出统一 JSON'
          outputs:
            status:
              children: null
              type: string
            variants:
              children: null
              type: string
            warnings:
              children: null
              type: string
          selected: false
          title: 聚合输出
          type: code
          variables:
            - value_selector:
                - loop-variants
                - output
              variable: loop_output
        height: 84
        id: code-agg
        position:
          x: 1610
          y: 300
        positionAbsolute:
          x: 1610
          y: 300
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
      # ================================================================
      # 结束节点
      # ================================================================
      - data:
          desc: '返回 5 张镭射卡 signed URL'
          outputs:
            - value_selector:
                - code-agg
                - status
              variable: status
            - value_selector:
                - code-agg
                - variants
              variable: variants
            - value_selector:
                - code-agg
                - warnings
              variable: warnings
          selected: false
          title: 结束
          type: end
        height: 90
        id: end
        position:
          x: 1900
          y: 300
        positionAbsolute:
          x: 1900
          y: 300
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244