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: 0.1.6
workflow:
  conversation_variables: []
  environment_variables:
    - description: 'laser-compositor 合成服务地址'
      name: LASER_COMPOSITOR_HOST
      value: 'http://host.docker.internal:18090/api/v1/laser'
      value_type: string
    - description: 'MiniMax API 密钥'
      name: MINIMAX_API_KEY
      value: 'sk-api-oezuuNMr5iwPdlJ1JgTJTSzhMhGtaUR5Odjjg0ZqVQ7MoMIqLuE_ginMWRkNiAiDgMY6MvTVkYCWSQ8SK1-LuldrFmohCHxCgZIbxsFYr9zxA8z08Eb8nbo'
      value_type: string
  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 → code-param
      - 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
      # code-param → http-bg-all（一次生成 5 张背景图）
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: code
          targetType: http-request
        id: code-param-source-http-bg-all-target
        source: code-param
        sourceHandle: source
        target: http-bg-all
        targetHandle: target
        type: custom
        zIndex: 0
      # code-param → http-overlay-all（一次生成 5 张装饰图）
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: code
          targetType: http-request
        id: code-param-source-http-overlay-all-target
        source: code-param
        sourceHandle: source
        target: http-overlay-all
        targetHandle: target
        type: custom
        zIndex: 0
      # code-param → code-prepare（传递 variants 元数据）
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: code
          targetType: code
        id: code-param-source-code-prepare-target
        source: code-param
        sourceHandle: source
        target: code-prepare
        targetHandle: target
        type: custom
        zIndex: 0
      # http-bg-all → code-prepare
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: http-request
          targetType: code
        id: http-bg-all-source-code-prepare-target
        source: http-bg-all
        sourceHandle: source
        target: code-prepare
        targetHandle: target
        type: custom
        zIndex: 0
      # http-overlay-all → code-prepare
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: http-request
          targetType: code
        id: http-overlay-all-source-code-prepare-target
        source: http-overlay-all
        sourceHandle: source
        target: code-prepare
        targetHandle: target
        type: custom
        zIndex: 0
      # code-prepare → loop-variants
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: code
          targetType: iteration
        id: code-prepare-source-loop-variants-target
        source: code-prepare
        sourceHandle: source
        target: loop-variants
        targetHandle: target
        type: custom
        zIndex: 0
      # loop-variants → code-agg
      - 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
      # code-agg → end
      - 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 → code-call-compositor（直接合成，bg/overlay 已预生成）
      - data:
          isInIteration: true
          iteration_id: loop-variants
          isInLoop: false
          sourceType: start
          targetType: code
        id: iter-start-source-code-call-compositor-target
        source: iter-start
        sourceHandle: source
        target: code-call-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（同时输出合并的 prompt 字符串）
      # ================================================================
      - 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 idx, pc in enumerate(preset_list):\n        if pc in config_map:\n            cfg = config_map[pc]\n            variants.append({\n                \"preset_id\": pc,\n                \"variant_index\": idx,\n                \"grating_config\": cfg.get(\"grating_config\", {}),\n                \"bg_prompt\": cfg.get(\"bg_prompt\", \"\"),\n                \"overlay_prompt\": cfg.get(\"overlay_prompt\", \"\"),\n            })\n    bg_parts = [v.get(\"bg_prompt\", \"\") or \"\" for v in variants]\n    ov_parts = [v.get(\"overlay_prompt\", \"\") or \"\" for v in variants]\n    style_names = {\"dream\": \"梦幻\", \"classic\": \"经典\", \"holoFull\": \"全息炫彩\", \"ice\": \"冰晶\", \"sunset\": \"落日\"}\n    style_list = [style_names.get(v[\"preset_id\"], v[\"preset_id\"]) for v in variants]\n    bg_descs = [bp if bp else f\"{sn}风格渐变背景\" for sn, bp in zip(style_list, bg_parts)]\n    ov_descs = [op if op else f\"柔和光晕\" for sn, op in zip(style_list, ov_parts)]\n    bg_prompts_all = \" | \".join(bg_descs)\n    overlay_prompts_all = \" | \".join(ov_descs)\n    return {\n        \"variants\": variants,\n        \"variant_count\": len(variants),\n        \"bg_prompts_all\": bg_prompts_all,\n        \"overlay_prompts_all\": overlay_prompts_all,\n    }\n"
          code_language: python3
          dependencies: []
          desc: '解析 JSON 字符串 → 构建 variants 列表 + 合并 prompt'
          outputs:
            variant_count:
              children: null
              type: number
            variants:
              children: null
              type: array[object]
            bg_prompts_all:
              children: null
              type: string
            overlay_prompts_all:
              children: null
              type: string
          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: 120
        id: code-param
        position:
          x: 320
          y: 300
        positionAbsolute:
          x: 320
          y: 300
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
      # ================================================================
      # 前置 HTTP — 一次生成 5 张背景图 (n=5)
      # ================================================================
      - data:
          authorization:
            config:
              api_key: '{{#env.MINIMAX_API_KEY#}}'
              type: bearer
            type: api-key
          body:
            data: '{"model": "image-01", "prompt": "Generate 5 distinct background images based on these style directions. Each background must be a clean empty backdrop (no people, no products, no holographic card objects, no product photography). Laser holographic effects will be applied in post-processing, so focus only on the artistic background direction. Background directions: {{#code-param.bg_prompts_all#}}", "aspect_ratio": "3:4", "n": 5, "prompt_optimizer": true, "response_format": "url"}'
            type: json
          desc: '一次生成 5 种不同风格的背景图(干净背景,镭射效果后处理)'
          headers: 'Content-Type: application/json'
          isInIteration: false
          method: post
          params: ''
          selected: false
          timeout:
            max_connect_timeout: 10
            max_read_timeout: 200
            max_write_timeout: 30
          title: MiniMax 批量背景图
          type: http-request
          url: 'https://api.minimaxi.com/v1/image_generation'
          variables:
            - value_selector:
                - code-param
                - bg_prompts_all
              variable: bg_prompts_all
        height: 93
        id: http-bg-all
        position:
          x: 610
          y: 180
        positionAbsolute:
          x: 610
          y: 180
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
      # ================================================================
      # 前置 HTTP — 一次生成 5 张装饰图 (n=5)
      # ================================================================
      - data:
          authorization:
            config:
              api_key: '{{#env.MINIMAX_API_KEY#}}'
              type: bearer
            type: api-key
          body:
            data: '{"model": "image-01", "prompt": "Generate 5 distinct transparent overlay decoration layers. Each overlay must be a clean transparent decoration on empty background (no people, no products, no holographic card objects). Soft glows, micro-particles, light flow effects that enhance atmosphere without occluding main subject. Overlay directions: {{#code-param.overlay_prompts_all#}}", "aspect_ratio": "3:4", "n": 5, "prompt_optimizer": true, "response_format": "url"}'
            type: json
          desc: '一次生成 5 种不同风格的装饰层(透明叠加,不承载主题,镭射效果由 compositor 保证)'
          headers: 'Content-Type: application/json'
          isInIteration: false
          method: post
          params: ''
          selected: false
          timeout:
            max_connect_timeout: 10
            max_read_timeout: 200
            max_write_timeout: 30
          title: MiniMax 批量装饰图
          type: http-request
          url: 'https://api.minimaxi.com/v1/image_generation'
          variables:
            - value_selector:
                - code-param
                - overlay_prompts_all
              variable: overlay_prompts_all
        height: 93
        id: http-overlay-all
        position:
          x: 610
          y: 420
        positionAbsolute:
          x: 610
          y: 420
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
      # ================================================================
      # 代码节点 — 将 bg/overlay URLs 与 variants 配对
      # ================================================================
      - data:
          code: "import json\n\ndef main(bg_body: str, overlay_body: str, variants: list) -> dict:\n    # 解析 MiniMax 批量响应，提取 5 张图 URL\n    bg_data = json.loads(bg_body) if isinstance(bg_body, str) else bg_body\n    bg_urls = (bg_data.get(\"data\") or {}).get(\"image_urls\", [])\n    ov_data = json.loads(overlay_body) if isinstance(overlay_body, str) else overlay_body\n    overlay_urls = (ov_data.get(\"data\") or {}).get(\"image_urls\", [])\n\n    enriched = []\n    for i, v in enumerate(variants):\n        enriched.append({\n            \"preset_id\": v.get(\"preset_id\", f\"v_{i}\"),\n            \"variant_index\": v.get(\"variant_index\", i),\n            \"grating_config\": v.get(\"grating_config\", {}),\n            \"bg_prompt\": v.get(\"bg_prompt\", \"\"),\n            \"overlay_prompt\": v.get(\"overlay_prompt\", \"\"),\n            \"bg_url\": bg_urls[i] if i < len(bg_urls) else \"\",\n            \"overlay_url\": overlay_urls[i] if i < len(overlay_urls) else \"\",\n        })\n    return {\"enriched_variants\": enriched}\n"
          code_language: python3
          dependencies: []
          desc: '解析 MiniMax 批量响应 → 将 5 bg_urls + 5 overlay_urls 配对到每个 variant'
          outputs:
            enriched_variants:
              children: null
              type: array[object]
          selected: false
          title: 批量结果配对
          type: code
          variables:
            - value_selector:
                - http-overlay-all
                - body
              variable: overlay_body
            - value_selector:
                - http-bg-all
                - body
              variable: bg_body
            - value_selector:
                - code-param
                - variants
              variable: variants
        height: 84
        id: code-prepare
        position:
          x: 900
          y: 300
        positionAbsolute:
          x: 900
          y: 300
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
      # ================================================================
      # 循环节点（并行 5）
      # ================================================================
      - data:
          desc: '对每个 variant 并行合成最终镭射卡'
          error_handle_mode: terminated
          height: 351
          iterator_selector:
            - code-prepare
            - enriched_variants
          is_parallel: true
          output_selector:
            - code-call-compositor
            - compose_result
          output_type: array[string]
          parallel_nums: 5
          selected: false
          startNodeType: start
          start_node_id: iter-start
          title: 遍历 Variants（并行5）
          type: iteration
          width: 953
        height: 351
        id: loop-variants
        position:
          x: 1200
          y: 300
        positionAbsolute:
          x: 1200
          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（含预生成的 bg_url / overlay_url）
          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: 1287
          y: 420
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
        zIndex: 1001
      # ================================================================
      # 循环内部 — Code 节点：调 compositor 合成
      # 直接从 enriched item 读取 bg_url / overlay_url，不再调 MiniMax
      # ================================================================
      - data:
          code: "import json\nimport requests\n\ndef main(\n    cutout_url: str,\n    item: dict,\n    compositor_host: str\n) -> dict:\n    \"\"\"\n    从 enriched item 读取预生成的 bg_url / overlay_url，\n    调 laser-compositor /compose 合成镭射卡。\n    \"\"\"\n    preset_id = item.get(\"preset_id\", \"unknown\")\n    variant_index = item.get(\"variant_index\", 0)\n    grating_config = item.get(\"grating_config\", {})\n    bg_url = item.get(\"bg_url\", \"\")\n    overlay_url = item.get(\"overlay_url\", \"\")\n\n    compose_body = {\n        \"background_url\": bg_url,\n        \"cutout_url\": cutout_url,\n        \"overlay_url\": overlay_url,\n        \"grating_config\": grating_config,\n        \"export_width\": 450,\n        \"export_height\": 600,\n        \"variant_index\": variant_index,\n        \"output_oss_key\": f\"laser-card/dify/{preset_id}\",\n    }\n\n    try:\n        resp = requests.post(\n            f\"{compositor_host}/compose\",\n            json=compose_body,\n            timeout=60,\n        )\n        resp.raise_for_status()\n        compose_resp = resp.json()\n    except Exception as e:\n        return {\"compose_result\": json.dumps({\n            \"status\": \"failed\",\n            \"error\": f\"compositor call failed: {e}\",\n            \"preset_id\": preset_id,\n            \"variant_index\": variant_index,\n            \"width\": 450,\n            \"height\": 600,\n        }, ensure_ascii=False)}\n\n    compose_resp[\"preset_id\"] = preset_id\n    return {\"compose_result\": json.dumps(compose_resp, ensure_ascii=False)}\n"
          code_language: python3
          dependencies:
            - name: requests
              version: 2.32.3
          desc: '用预生成的 bg_url/overlay_url → 调 compositor 合成 → 注入 preset_id'
          outputs:
            compose_result:
              children: null
              type: string
          selected: false
          title: 调 compositor 合成（批量优化版）
          type: code
          variables:
            - value_selector:
                - start
                - cutout_url
              variable: cutout_url
            - value_selector:
                - loop-variants
                - item
              variable: item
            - value_selector:
                - env
                - LASER_COMPOSITOR_HOST
              variable: compositor_host
        extent: parent
        height: 93
        id: code-call-compositor
        parentId: loop-variants
        position:
          x: 957
          y: 120
        positionAbsolute:
          x: 1767
          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\"{item.get('preset_id', f'variant_{i}')} 合成失败: {item.get('error', 'unknown')}\")\n    return {\n        \"status\": \"succeeded\" if len(variants) > 0 else \"failed\",\n        \"variants\": json.dumps(variants, ensure_ascii=False),\n        \"warnings\": json.dumps(warnings, ensure_ascii=False),\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