topfans/docs/dify/laser_prompt_enhancer_v2.yml

app:
  description: 'GPT relay prompt enhancer — 通过中转站优化生图 prompt，单张调试版'
  icon: ✨
  icon_background: '#EBF5FF'
  mode: workflow
  name: laser_prompt_enhancer_v2
  use_icon_as_answer_icon: false
kind: app
version: 0.3.0
dependencies:
  - current_identifier: null
    type: marketplace
    value:
      marketplace_plugin_unique_identifier: langgenius/openai_api_compatible
workflow:
  conversation_variables: []
  environment_variables: []
  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:
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: start
          targetType: llm
        id: start-source-llm-enhance-target
        source: start
        sourceHandle: source
        target: llm-enhance
        targetHandle: target
        type: custom
        zIndex: 0
      - data:
          isInIteration: false
          isInLoop: false
          sourceType: llm
          targetType: end
        id: llm-enhance-source-end-target
        source: llm-enhance
        sourceHandle: source
        target: end
        targetHandle: target
        type: custom
        zIndex: 0
    nodes:
      # ================================================================
      # 开始节点
      # ================================================================
      - data:
          desc: '接收原始 bg_prompt 和用户风格描述'
          selected: false
          title: "开始"
          type: start
          variables:
            - label: bg_prompt
              max_length: 4096
              options: []
              required: true
              type: text-input
              variable: bg_prompt
            - label: user_prompt
              max_length: 1024
              options: []
              required: false
              type: text-input
              variable: user_prompt
        height: 130
        id: start
        position:
          x: 30
          y: 300
        positionAbsolute:
          x: 30
          y: 300
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
      # ================================================================
      # LLM 节点 — 通过中转站增强 prompt
      # ================================================================
      - data:
          desc: '通过中转站的 LLM 优化 bg_prompt，输出增强后的单条 prompt'
          selected: false
          title: "中转站 LLM 增强"
          type: llm
          model:
            provider: openai_api_compatible
            name: gpt-4o
            mode: chat
            completion_params:
              temperature: 0.7
              max_tokens: 1024
          prompt_template:
            - role: system
              text: |
                You are a professional prompt engineer for the GPT image edit API (/v1/images/edits).
                Rewrite a SINGLE image prompt into a detailed, vivid image editing instruction.

                Rules:
                - The input image is the ORIGINAL full photo containing a person.
                - Describe what background/style changes to apply around the person.
                - KEEP THE ORIGINAL PERSON IDENTICAL (same face, same identity, same pose, same clothing). Only modify the background and decorative elements around them.
                - Output only the enhanced prompt text, no markdown, no JSON wrapping.
                - Maximum 2000 characters.                
            - role: user
              text: |
                Raw prompt: {{ start.bg_prompt }}
                {% if start.user_prompt %}
                User style direction: {{ start.user_prompt }}
                {% endif %}                
          prompt_config:
            jinja2_variables: []
          memory:
            role_prefix:
              user: ''
              assistant: ''
            window:
              enabled: false
            query_prompt_template: ''
          context:
            enabled: false
          vision:
            enabled: false
            configs:
              variable_selector:
                - sys
                - files
              detail: high
        height: 180
        id: llm-enhance
        position:
          x: 320
          y: 300
        positionAbsolute:
          x: 320
          y: 300
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244
      # ================================================================
      # 结束节点
      # ================================================================
      - data:
          desc: '返回增强后的 prompt'
          outputs:
            - value_selector:
                - llm-enhance
                - text
              variable: enhanced_prompt
          selected: false
          title: "结束"
          type: end
        height: 90
        id: end
        position:
          x: 610
          y: 300
        positionAbsolute:
          x: 610
          y: 300
        selected: false
        sourcePosition: right
        targetPosition: left
        type: custom
        width: 244