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src/langbot/templates/metadata/nodes/call_pipeline.yaml

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+# Call Pipeline Node Configuration
+name: call_pipeline
+category: action
+icon: "⚙️"
+color: '#ef4444'
+description: 'workflows.nodes.callPipelineDescription'
+
+inputs:
+  - name: query
+    type: string
+    label:
+      en_US: Query
+      zh_Hans: 查询
+    description:
+      en_US: Query to send
+      zh_Hans: 要发送的查询
+  - name: context
+    type: object
+    label:
+      en_US: Context
+      zh_Hans: 上下文
+    description:
+      en_US: Context data
+      zh_Hans: 上下文数据
+    required: false
+
+outputs:
+  - name: response
+    type: string
+    label:
+      en_US: Response
+      zh_Hans: 响应
+    description:
+      en_US: Pipeline response
+      zh_Hans: 流水线响应
+  - name: result
+    type: object
+    label:
+      en_US: Result
+      zh_Hans: 结果
+    description:
+      en_US: Pipeline result
+      zh_Hans: 流水线结果
+
+config:
+  - name: pipeline_uuid
+    type: pipeline-selector
+    required: true
+    label:
+      en_US: Pipeline
+      zh_Hans: 流水线
+    description:
+      en_US: Pipeline to call
+      zh_Hans: 要调用的流水线
+
+  - name: inherit_context
+    type: boolean
+    default: true
+    label:
+      en_US: Inherit Context
+      zh_Hans: 继承上下文
+    description:
+      en_US: Whether to inherit context
+      zh_Hans: 是否继承上下文
+
+  - name: timeout
+    type: integer
+    default: 120
+    label:
+      en_US: Timeout (seconds)
+      zh_Hans: 超时时间（秒）
+    description:
+      en_US: Timeout in seconds
+      zh_Hans: 超时时间（秒）

src/langbot/templates/metadata/nodes/code_executor.yaml

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+# Code Executor Node Configuration
+# This file defines the metadata for the Code Executor workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/code_executor.py
+
+name: code_executor
+category: process
+icon: "💻"
+color: '#3b82f6'
+description: 'workflows.nodes.codeExecutorDescription'
+
+inputs:
+  - name: input
+    type: any
+    label:
+      en_US: Input
+      zh_Hans: 输入
+    description:
+      en_US: Input data for the code
+      zh_Hans: 代码的输入数据
+
+outputs:
+  - name: output
+    type: any
+    label:
+      en_US: Output
+      zh_Hans: 输出
+    description:
+      en_US: Code execution result
+      zh_Hans: 代码执行结果
+  - name: logs
+    type: array
+    label:
+      en_US: Logs
+      zh_Hans: 日志
+    description:
+      en_US: Console logs from code execution
+      zh_Hans: 代码执行的控制台日志
+
+config:
+  - name: language
+    type: select
+    required: true
+    default: javascript
+    options:
+      - javascript
+      - python
+    label:
+      en_US: Language
+      zh_Hans: 语言
+    description:
+      en_US: Programming language to use
+      zh_Hans: 要使用的编程语言
+
+  - name: code
+    type: textarea
+    required: true
+    default: "return input;"
+    label:
+      en_US: Code
+      zh_Hans: 代码
+    description:
+      en_US: Code to execute
+      zh_Hans: 要执行的代码
+
+  - name: timeout
+    type: integer
+    default: 5000
+    label:
+      en_US: Timeout (ms)
+      zh_Hans: 超时时间 (毫秒)
+    description:
+      en_US: Maximum execution time in milliseconds
+      zh_Hans: 最大执行时间（毫秒）

src/langbot/templates/metadata/nodes/condition.yaml

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+# Condition Node Configuration
+# This file defines the metadata for the Condition workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/condition.py
+
+name: condition
+category: control
+icon: "🔀"
+color: '#8b5cf6'
+description: 'workflows.nodes.conditionDescription'
+
+inputs:
+  - name: input
+    type: any
+    label:
+      en_US: Input
+      zh_Hans: 输入
+    description:
+      en_US: Input data for condition evaluation
+      zh_Hans: 用于条件评估的输入数据
+
+outputs:
+  - name: "true"
+    type: any
+    label:
+      en_US: True
+      zh_Hans: 真
+    description:
+      en_US: Output when condition is true
+      zh_Hans: 条件为真时的输出
+  - name: "false"
+    type: any
+    label:
+      en_US: False
+      zh_Hans: 假
+    description:
+      en_US: Output when condition is false
+      zh_Hans: 条件为假时的输出
+
+config:
+  - name: condition_type
+    type: select
+    required: true
+    default: expression
+    options:
+      - expression
+      - comparison
+      - exists
+      - type_check
+    label:
+      en_US: Condition Type
+      zh_Hans: 条件类型
+    description:
+      en_US: Type of condition to evaluate
+      zh_Hans: 要评估的条件类型
+
+  - name: expression
+    type: string
+    default: ""
+    label:
+      en_US: Expression
+      zh_Hans: 表达式
+    description:
+      en_US: JavaScript expression that evaluates to true/false
+      zh_Hans: 评估为 true/false 的表达式
+
+  - name: left_value
+    type: string
+    default: "{{input}}"
+    label:
+      en_US: Left Value
+      zh_Hans: 左值
+    description:
+      en_US: Left side of comparison
+      zh_Hans: 比较的左侧
+
+  - name: operator
+    type: select
+    default: eq
+    options:
+      - eq
+      - neq
+      - gt
+      - gte
+      - lt
+      - lte
+      - contains
+      - starts_with
+      - ends_with
+      - matches
+    label:
+      en_US: Operator
+      zh_Hans: 运算符
+    description:
+      en_US: Comparison operator
+      zh_Hans: 比较运算符
+
+  - name: right_value
+    type: string
+    default: ""
+    label:
+      en_US: Right Value
+      zh_Hans: 右值
+    description:
+      en_US: Right side of comparison
+      zh_Hans: 比较的右侧
+
+  - name: expected_type
+    type: select
+    default: string
+    options:
+      - string
+      - number
+      - boolean
+      - object
+      - array
+      - "null"
+    label:
+      en_US: Expected Type
+      zh_Hans: 期望类型
+    description:
+      en_US: The type to check for
+      zh_Hans: 要检查的类型

src/langbot/templates/metadata/nodes/coze_bot.yaml

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+# Coze Bot Node Configuration
+name: coze_bot
+label:
+  en_US: Coze Bot
+  zh_Hans: Coze Bot
+description:
+  en_US: Call Coze API bot
+  zh_Hans: 调用扣子 API 机器人
+category: integration
+icon: MessageSquare
+color: '#3b82f6'
+
+inputs:
+  - name: query
+    type: string
+    label:
+      en_US: Query
+      zh_Hans: 查询
+    description:
+      en_US: User input/query
+      zh_Hans: 用户输入/查询
+    required: true
+  - name: conversation_id
+    type: string
+    label:
+      en_US: Conversation ID
+      zh_Hans: 会话 ID
+    description:
+      en_US: Conversation ID
+      zh_Hans: 会话 ID
+    required: false
+
+outputs:
+  - name: answer
+    type: string
+    label:
+      en_US: Answer
+      zh_Hans: 答案
+    description:
+      en_US: Bot response
+      zh_Hans: 机器人回复
+  - name: conversation_id
+    type: string
+    label:
+      en_US: Conversation ID
+      zh_Hans: 会话 ID
+    description:
+      en_US: Conversation ID
+      zh_Hans: 会话 ID
+  - name: success
+    type: boolean
+    label:
+      en_US: Success
+      zh_Hans: 成功
+    description:
+      en_US: Whether the call was successful
+      zh_Hans: 调用是否成功
+
+config:
+  - name: api-key
+    label:
+      en_US: API Key
+      zh_Hans: API 密钥
+    description:
+      en_US: Coze API key
+      zh_Hans: Coze API 密钥
+    type: string
+    required: true
+    default: ''
+
+  - name: bot-id
+    label:
+      en_US: Bot ID
+      zh_Hans: 机器人 ID
+    description:
+      en_US: ID of the bot to run
+      zh_Hans: 要运行的机器人 ID
+    type: string
+    required: true
+    default: ''
+
+  - name: api-base
+    label:
+      en_US: API Base URL
+      zh_Hans: API 基础 URL
+    description:
+      en_US: Base URL for Coze API
+      zh_Hans: Coze API 基础 URL
+    type: string
+    required: true
+    default: 'https://api.coze.cn'
+    options:
+      - name: 'https://api.coze.cn'
+        label:
+          en_US: Coze China
+          zh_Hans: Coze 中国版
+      - name: 'https://api.coze.com'
+        label:
+          en_US: Coze Global
+          zh_Hans: Coze 全球版
+
+  - name: auto-save-history
+    label:
+      en_US: Auto Save History
+      zh_Hans: 自动保存历史
+    description:
+      en_US: Whether to automatically save conversation history
+      zh_Hans: 是否自动保存对话历史
+    type: boolean
+    required: false
+    default: true
+
+  - name: timeout
+    label:
+      en_US: Request Timeout (seconds)
+      zh_Hans: 请求超时（秒）
+    description:
+      en_US: Timeout in seconds for API requests
+      zh_Hans: API 请求超时时间（秒）
+    type: number
+    required: false
+    default: 120

src/langbot/templates/metadata/nodes/cron_trigger.yaml

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+# Cron Trigger Node Configuration
+# This file defines the metadata for the Cron Trigger workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/cron_trigger.py
+
+name: cron_trigger
+category: trigger
+icon: "⏰"
+color: '#22c55e'
+description: 'workflows.nodes.cronTriggerDescription'
+
+inputs: []
+
+outputs:
+  - name: trigger_time
+    type: datetime
+    label:
+      en_US: Trigger Time
+      zh_Hans: 触发时间
+    description:
+      en_US: The time when the trigger fired
+      zh_Hans: 触发器触发的时间
+  - name: context
+    type: object
+    label:
+      en_US: Context
+      zh_Hans: 上下文
+    description:
+      en_US: Trigger context information
+      zh_Hans: 触发上下文信息
+
+config:
+  - name: cron_expression
+    type: string
+    required: true
+    default: "0 9 * * *"
+    label:
+      en_US: Cron Expression
+      zh_Hans: Cron 表达式
+    description:
+      en_US: Standard cron expression
+      zh_Hans: 标准 Cron 表达式
+
+  - name: timezone
+    type: select
+    required: true
+    default: "Asia/Shanghai"
+    options:
+      - UTC
+      - Asia/Shanghai
+      - Asia/Tokyo
+      - America/New_York
+      - America/Los_Angeles
+      - Europe/London
+      - Europe/Berlin
+    label:
+      en_US: Timezone
+      zh_Hans: 时区
+    description:
+      en_US: Timezone for the cron schedule
+      zh_Hans: Cron 计划的时区
+
+  - name: description
+    type: string
+    default: ""
+    label:
+      en_US: Description
+      zh_Hans: 描述
+    description:
+      en_US: Description of this scheduled trigger
+      zh_Hans: 此定时触发器的描述
+
+  - name: enabled
+    type: boolean
+    default: true
+    label:
+      en_US: Enabled
+      zh_Hans: 启用
+    description:
+      en_US: Whether this scheduled trigger is active
+      zh_Hans: 此定时触发器是否激活

src/langbot/templates/metadata/nodes/data_transform.yaml

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+# Data Transform Node Configuration
+# This file defines the metadata for the Data Transform workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/data_transform.py
+
+name: data_transform
+category: process
+icon: "🔄"
+color: '#3b82f6'
+description: 'workflows.nodes.dataTransformDescription'
+
+inputs:
+  - name: data
+    type: any
+    required: true
+    label:
+      en_US: Data
+      zh_Hans: 数据
+    description:
+      en_US: Input data
+      zh_Hans: 输入数据
+
+outputs:
+  - name: result
+    type: any
+    label:
+      en_US: Result
+      zh_Hans: 结果
+    description:
+      en_US: Transform result
+      zh_Hans: 转换结果
+
+config:
+  - name: transform_type
+    type: select
+    required: true
+    default: template
+    options:
+      - template
+      - jsonpath
+      - jmespath
+      - expression
+    label:
+      en_US: Transform Type
+      zh_Hans: 转换类型
+    description:
+      en_US: Type of transformation to perform
+      zh_Hans: 要执行的转换类型
+
+  - name: template
+    type: textarea
+    default: ""
+    label:
+      en_US: Template
+      zh_Hans: 模板
+    description:
+      en_US: Template with {{variable}} syntax
+      zh_Hans: 支持 {{variable}} 语法的模板
+
+  - name: expression
+    type: string
+    default: ""
+    label:
+      en_US: Expression
+      zh_Hans: 表达式
+    description:
+      en_US: JSONPath/JMESPath expression
+      zh_Hans: JSONPath/JMESPath 表达式

src/langbot/templates/metadata/nodes/database_query.yaml

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+# Database Query Node Configuration
+# This file defines the metadata for the Database Query workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/database_query.py
+
+name: database_query
+category: integration
+icon: "🗄️"
+color: '#ec4899'
+description: 'workflows.nodes.databaseQueryDescription'
+
+inputs:
+  - name: parameters
+    type: object
+    required: false
+    label:
+      en_US: Parameters
+      zh_Hans: 参数
+    description:
+      en_US: Query parameters
+      zh_Hans: 查询参数
+
+outputs:
+  - name: results
+    type: array
+    label:
+      en_US: Results
+      zh_Hans: 结果
+    description:
+      en_US: Query results
+      zh_Hans: 查询结果
+  - name: row_count
+    type: number
+    label:
+      en_US: Row Count
+      zh_Hans: 行数
+    description:
+      en_US: Number of rows affected/returned
+      zh_Hans: 影响/返回的行数
+  - name: success
+    type: boolean
+    label:
+      en_US: Success
+      zh_Hans: 成功
+    description:
+      en_US: Whether query was successful
+      zh_Hans: 查询是否成功
+
+config:
+  - name: connection_type
+    type: select
+    required: true
+    default: postgresql
+    options:
+      - postgresql
+      - mysql
+      - sqlite
+    label:
+      en_US: Database Type
+      zh_Hans: 数据库类型
+    description:
+      en_US: Type of database to connect to
+      zh_Hans: 要连接的数据库类型
+
+  - name: connection_string
+    type: string
+    required: true
+    default: ""
+    label:
+      en_US: Connection String
+      zh_Hans: 连接字符串
+    description:
+      en_US: Database connection string
+      zh_Hans: 数据库连接字符串
+
+  - name: query
+    type: textarea
+    required: true
+    default: ""
+    label:
+      en_US: SQL Query
+      zh_Hans: SQL 查询
+    description:
+      en_US: SQL query to execute
+      zh_Hans: 要执行的 SQL 查询
+
+  - name: query_type
+    type: select
+    required: true
+    default: select
+    options:
+      - select
+      - insert
+      - update
+      - delete
+    label:
+      en_US: Query Type
+      zh_Hans: 查询类型
+    description:
+      en_US: Type of query operation
+      zh_Hans: 查询操作的类型
+
+  - name: timeout
+    type: integer
+    default: 30
+    label:
+      en_US: Timeout (seconds)
+      zh_Hans: 超时时间（秒）
+    description:
+      en_US: Query timeout
+      zh_Hans: 查询超时时间

src/langbot/templates/metadata/nodes/dify_knowledge_query.yaml

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+# Dify Knowledge Base Query Node Configuration
+name: dify_knowledge_query
+label:
+  en_US: Dify Knowledge Base
+  zh_Hans: Dify 知识库
+description:
+  en_US: Query Dify knowledge base
+  zh_Hans: 查询 Dify 知识库
+category: integration
+icon: BookOpen
+color: '#3b82f6'
+
+inputs:
+  - name: query
+    type: string
+    label:
+      en_US: Query
+      zh_Hans: 查询
+    description:
+      en_US: Query content
+      zh_Hans: 查询内容
+    required: true
+
+outputs:
+  - name: results
+    type: array
+    label:
+      en_US: Results
+      zh_Hans: 结果
+    description:
+      en_US: Search results
+      zh_Hans: 检索结果
+  - name: success
+    type: boolean
+    label:
+      en_US: Success
+      zh_Hans: 成功
+    description:
+      en_US: Whether the call was successful
+      zh_Hans: 调用是否成功
+
+config:
+  - name: base-url
+    label:
+      en_US: Base URL
+      zh_Hans: 基础 URL
+    description:
+      en_US: Dify service base URL
+      zh_Hans: Dify 服务基础 URL
+    type: string
+    required: true
+    default: 'https://api.dify.ai/v1'
+
+  - name: api-key
+    label:
+      en_US: API Key
+      zh_Hans: API 密钥
+    description:
+      en_US: Dify API key
+      zh_Hans: Dify API 密钥
+    type: string
+    required: true
+    default: ''
+
+  - name: dataset_id
+    label:
+      en_US: Dataset ID
+      zh_Hans: 知识库 ID
+    description:
+      en_US: Knowledge base ID
+      zh_Hans: 知识库 ID
+    type: string
+    required: true
+    default: ''

src/langbot/templates/metadata/nodes/dify_workflow.yaml

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+# Dify Workflow Node Configuration
+name: dify_workflow
+label:
+  en_US: Dify Workflow
+  zh_Hans: Dify 工作流
+description:
+  en_US: Call Dify service API
+  zh_Hans: 调用 Dify 服务 API
+category: integration
+icon: Bot
+color: '#3b82f6'
+
+inputs:
+  - name: query
+    type: string
+    label:
+      en_US: Query
+      zh_Hans: 查询
+    description:
+      en_US: User input/query
+      zh_Hans: 用户输入/查询
+    required: true
+  - name: conversation_id
+    type: string
+    label:
+      en_US: Conversation ID
+      zh_Hans: 会话 ID
+    description:
+      en_US: Conversation ID for multi-turn dialogue
+      zh_Hans: 多轮对话的会话 ID
+    required: false
+
+outputs:
+  - name: answer
+    type: string
+    label:
+      en_US: Answer
+      zh_Hans: 答案
+    description:
+      en_US: Answer from Dify
+      zh_Hans: Dify 返回的答案
+  - name: conversation_id
+    type: string
+    label:
+      en_US: Conversation ID
+      zh_Hans: 会话 ID
+    description:
+      en_US: Conversation ID
+      zh_Hans: 会话 ID
+  - name: success
+    type: boolean
+    label:
+      en_US: Success
+      zh_Hans: 成功
+    description:
+      en_US: Whether the call was successful
+      zh_Hans: 调用是否成功
+
+config:
+  - name: base-url
+    label:
+      en_US: Base URL
+      zh_Hans: 基础 URL
+    description:
+      en_US: Dify service base URL
+      zh_Hans: Dify 服务基础 URL
+    type: string
+    required: true
+    default: 'https://api.dify.ai/v1'
+    options:
+      - name: 'https://api.dify.ai/v1'
+        label:
+          en_US: Dify Cloud
+          zh_Hans: Dify 云服务
+
+  - name: base-prompt
+    label:
+      en_US: Base PROMPT
+      zh_Hans: 基础提示词
+    description:
+      en_US: When Dify receives a message with empty input (only images), it will pass this default prompt into it.
+      zh_Hans: 当 Dify 接收到输入文字为空（仅图片）的消息时，传入该默认提示词
+    type: string
+    required: true
+    default: "When the file content is readable, please read the content of this file. When the file is an image, describe the content of this image."
+
+  - name: app-type
+    label:
+      en_US: App Type
+      zh_Hans: 应用类型
+    description:
+      en_US: Application type
+      zh_Hans: 应用类型
+    type: select
+    required: true
+    default: chat
+    options:
+      - name: chat
+        label:
+          en_US: Chat (including Chatflow)
+          zh_Hans: 聊天（包括Chatflow）
+      - name: agent
+        label:
+          en_US: Agent
+          zh_Hans: Agent
+      - name: workflow
+        label:
+          en_US: Workflow
+          zh_Hans: 工作流
+
+  - name: api-key
+    label:
+      en_US: API Key
+      zh_Hans: API 密钥
+    description:
+      en_US: Dify API key
+      zh_Hans: Dify API 密钥
+    type: string
+    required: true
+    default: ''

src/langbot/templates/metadata/nodes/end.yaml

@@ -0,0 +1,48 @@
+# End Node Configuration
+# This file defines the metadata for the End workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/end.py
+
+name: end
+category: control
+icon: "🛑"
+color: '#8b5cf6'
+description: 'workflows.nodes.endDescription'
+
+inputs:
+  - name: input
+    type: any
+    required: false
+    label:
+      en_US: Input
+      zh_Hans: 输入
+    description:
+      en_US: Final output data
+      zh_Hans: 最终输出数据
+
+outputs: []
+
+config:
+  - name: status
+    type: select
+    required: true
+    default: success
+    options:
+      - success
+      - failed
+      - cancelled
+    label:
+      en_US: End Status
+      zh_Hans: 结束状态
+    description:
+      en_US: Status to report when workflow ends
+      zh_Hans: 工作流结束时报告的状态
+
+  - name: message
+    type: string
+    default: ""
+    label:
+      en_US: Message
+      zh_Hans: 消息
+    description:
+      en_US: Optional message to include with the end status
+      zh_Hans: 与结束状态一起包含的可选消息

src/langbot/templates/metadata/nodes/event_trigger.yaml

@@ -0,0 +1,84 @@
+# Event Trigger Node Configuration
+# This file defines the metadata for the Event Trigger workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/event_trigger.py
+
+name: event_trigger
+category: trigger
+icon: "📡"
+color: '#22c55e'
+description: 'workflows.nodes.eventTriggerDescription'
+
+inputs: []
+
+outputs:
+  - name: event
+    type: object
+    label:
+      en_US: Event
+      zh_Hans: 事件
+    description:
+      en_US: The event data
+      zh_Hans: 事件数据
+  - name: event_type
+    type: string
+    label:
+      en_US: Event Type
+      zh_Hans: 事件类型
+    description:
+      en_US: Type of the event
+      zh_Hans: 事件类型
+  - name: context
+    type: object
+    label:
+      en_US: Context
+      zh_Hans: 上下文
+    description:
+      en_US: Event context information
+      zh_Hans: 事件上下文信息
+
+config:
+  - name: event_type
+    type: select
+    required: true
+    default: member_join
+    options:
+      - member_join
+      - member_leave
+      - message_recall
+      - group_created
+      - group_disbanded
+      - bot_added
+      - bot_removed
+      - friend_request
+      - group_request
+    label:
+      en_US: Event Type
+      zh_Hans: 事件类型
+    description:
+      en_US: The type of system event to listen for
+      zh_Hans: 要监听的系统事件类型
+
+  - name: source_filter
+    type: select
+    required: true
+    default: all
+    options:
+      - all
+      - group
+      - private
+    label:
+      en_US: Source Filter
+      zh_Hans: 来源筛选
+    description:
+      en_US: Filter events by source
+      zh_Hans: 按来源筛选事件
+
+  - name: platforms
+    type: json
+    default: []
+    label:
+      en_US: Platform Filter
+      zh_Hans: 平台筛选
+    description:
+      en_US: Only trigger for events from these platforms
+      zh_Hans: 仅对来自这些平台的事件触发

src/langbot/templates/metadata/nodes/http_request.yaml

@@ -0,0 +1,157 @@
+# HTTP Request Node Configuration
+# This file defines the metadata for the HTTP Request workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/http_request.py
+
+name: http_request
+category: action
+icon: "🌍"
+color: '#10b981'
+description: 'workflows.nodes.httpRequestDescription'
+
+inputs:
+  - name: body
+    type: any
+    required: false
+    label:
+      en_US: Body
+      zh_Hans: 请求体
+    description:
+      en_US: Request body data
+      zh_Hans: 请求体数据
+  - name: variables
+    type: object
+    required: false
+    label:
+      en_US: Variables
+      zh_Hans: 变量
+    description:
+      en_US: Variables for URL/header templates
+      zh_Hans: URL/请求头模板的变量
+
+outputs:
+  - name: response
+    type: any
+    label:
+      en_US: Response
+      zh_Hans: 响应
+    description:
+      en_US: Response body
+      zh_Hans: 响应体
+  - name: status_code
+    type: number
+    label:
+      en_US: Status Code
+      zh_Hans: 状态码
+    description:
+      en_US: HTTP status code
+      zh_Hans: HTTP 状态码
+  - name: headers
+    type: object
+    label:
+      en_US: Headers
+      zh_Hans: 响应头
+    description:
+      en_US: Response headers
+      zh_Hans: 响应头
+  - name: success
+    type: boolean
+    label:
+      en_US: Success
+      zh_Hans: 成功
+    description:
+      en_US: Whether request was successful
+      zh_Hans: 请求是否成功
+
+config:
+  - name: method
+    type: select
+    required: true
+    default: GET
+    options:
+      - GET
+      - POST
+      - PUT
+      - PATCH
+      - DELETE
+    label:
+      en_US: Method
+      zh_Hans: 方法
+    description:
+      en_US: HTTP method
+      zh_Hans: HTTP 方法
+
+  - name: url
+    type: string
+    required: true
+    default: ""
+    label:
+      en_US: URL
+      zh_Hans: URL
+    description:
+      en_US: Request URL
+      zh_Hans: 请求 URL
+
+  - name: headers
+    type: json
+    default: "{}"
+    label:
+      en_US: Headers
+      zh_Hans: 请求头
+    description:
+      en_US: Request headers as JSON
+      zh_Hans: 请求头（JSON 格式）
+
+  - name: body_type
+    type: select
+    default: json
+    options:
+      - none
+      - json
+      - form
+      - raw
+    label:
+      en_US: Body Type
+      zh_Hans: 请求体类型
+    description:
+      en_US: Type of request body
+      zh_Hans: 请求体的类型
+
+  - name: body_template
+    type: textarea
+    default: ""
+    label:
+      en_US: Body Template
+      zh_Hans: 请求体模板
+    description:
+      en_US: Request body template
+      zh_Hans: 请求体模板
+
+  - name: timeout
+    type: integer
+    default: 30
+    label:
+      en_US: Timeout (seconds)
+      zh_Hans: 超时时间（秒）
+    description:
+      en_US: Request timeout in seconds
+      zh_Hans: 请求超时时间（秒）
+
+  - name: retry_count
+    type: integer
+    default: 0
+    label:
+      en_US: Retry Count
+      zh_Hans: 重试次数
+    description:
+      en_US: Number of retries on failure
+      zh_Hans: 失败时的重试次数
+
+  - name: ignore_ssl
+    type: boolean
+    default: false
+    label:
+      en_US: Ignore SSL Errors
+      zh_Hans: 忽略 SSL 错误
+    description:
+      en_US: Ignore SSL certificate verification errors
+      zh_Hans: 忽略 SSL 证书验证错误

src/langbot/templates/metadata/nodes/iterator.yaml

@@ -0,0 +1,75 @@
+# Iterator Node Configuration
+name: iterator
+category: control
+icon: "🔄"
+color: '#f59e0b'
+description: 'workflows.nodes.iteratorDescription'
+
+inputs:
+  - name: array
+    type: array
+    label:
+      en_US: Array
+      zh_Hans: 数组
+    description:
+      en_US: Array to iterate
+      zh_Hans: 要迭代的数组
+
+outputs:
+  - name: item
+    type: any
+    label:
+      en_US: Item
+      zh_Hans: 项目
+    description:
+      en_US: Current item
+      zh_Hans: 当前项目
+  - name: index
+    type: integer
+    label:
+      en_US: Index
+      zh_Hans: 索引
+    description:
+      en_US: Current index
+      zh_Hans: 当前索引
+  - name: is_first
+    type: boolean
+    label:
+      en_US: Is First
+      zh_Hans: 是否第一个
+    description:
+      en_US: Whether this is the first item
+      zh_Hans: 是否是第一个项目
+  - name: is_last
+    type: boolean
+    label:
+      en_US: Is Last
+      zh_Hans: 是否最后一个
+    description:
+      en_US: Whether this is the last item
+      zh_Hans: 是否是最后一个项目
+
+config:
+  - name: parallel
+    type: boolean
+    default: false
+    label:
+      en_US: Parallel
+      zh_Hans: 并行
+    description:
+      en_US: Whether to process in parallel
+      zh_Hans: 是否并行处理
+
+  - name: max_concurrency
+    type: integer
+    default: 5
+    min_value: 1
+    max_value: 100
+    label:
+      en_US: Max Concurrency
+      zh_Hans: 最大并发数
+    description:
+      en_US: Maximum concurrent tasks
+      zh_Hans: 最大并发任务数
+    show_if:
+      parallel: true

src/langbot/templates/metadata/nodes/knowledge_retrieval.yaml

@@ -0,0 +1,111 @@
+# Knowledge Retrieval Node Configuration
+# This file defines the metadata for the Knowledge Retrieval workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/knowledge_retrieval.py
+
+name: knowledge_retrieval
+category: process
+icon: "📚"
+color: '#8b5cf6'
+description: 'workflows.nodes.knowledgeRetrievalDescription'
+
+inputs:
+  - name: query
+    type: string
+    label:
+      en_US: Query
+      zh_Hans: 查询
+    description:
+      en_US: Query text to search for
+      zh_Hans: 要搜索的查询文本
+
+outputs:
+  - name: results
+    type: array
+    label:
+      en_US: Results
+      zh_Hans: 结果
+    description:
+      en_US: Retrieved documents/chunks
+      zh_Hans: 检索到的文档/块
+  - name: context
+    type: string
+    label:
+      en_US: Context
+      zh_Hans: 上下文
+    description:
+      en_US: Concatenated text from all results
+      zh_Hans: 所有结果的连接文本
+  - name: scores
+    type: array
+    label:
+      en_US: Scores
+      zh_Hans: 分数
+    description:
+      en_US: Similarity scores for each result
+      zh_Hans: 每个结果的相似度分数
+
+config:
+  - name: knowledge_bases
+    type: json
+    required: true
+    default: []
+    label:
+      en_US: Knowledge Bases
+      zh_Hans: 知识库
+    description:
+      en_US: Select knowledge bases to search
+      zh_Hans: 选择要搜索的知识库
+
+  - name: top_k
+    type: integer
+    default: 5
+    label:
+      en_US: Top K Results
+      zh_Hans: 返回数量 (Top K)
+    description:
+      en_US: Number of top results to retrieve
+      zh_Hans: 返回的最相关结果数量
+
+  - name: similarity_threshold
+    type: number
+    default: 0.5
+    label:
+      en_US: Similarity Threshold
+      zh_Hans: 相似度阈值
+    description:
+      en_US: Minimum similarity score for results
+      zh_Hans: 结果的最小相似度分数
+
+  - name: retrieval_mode
+    type: select
+    default: vector
+    options:
+      - vector
+      - hybrid
+      - keyword
+    label:
+      en_US: Retrieval Mode
+      zh_Hans: 检索模式
+    description:
+      en_US: Method used for retrieving documents
+      zh_Hans: 用于检索文档的方法
+
+  - name: rerank_enabled
+    type: boolean
+    default: false
+    label:
+      en_US: Enable Reranking
+      zh_Hans: 启用重排序
+    description:
+      en_US: Use a reranking model to improve result relevance
+      zh_Hans: 使用重排序模型提高结果相关性
+
+  - name: rerank_model
+    type: string
+    default: ""
+    label:
+      en_US: Rerank Model
+      zh_Hans: 重排序模型
+    description:
+      en_US: Model to use for reranking results
+      zh_Hans: 用于结果重排序的模型

src/langbot/templates/metadata/nodes/langflow_flow.yaml

@@ -0,0 +1,107 @@
+# Langflow Flow Node Configuration
+name: langflow_flow
+label:
+  en_US: Langflow Flow
+  zh_Hans: Langflow 流程
+description:
+  en_US: Call Langflow API
+  zh_Hans: 调用 Langflow API
+category: integration
+icon: GitBranch
+color: '#3b82f6'
+
+inputs:
+  - name: input_value
+    type: string
+    label:
+      en_US: Input Value
+      zh_Hans: 输入内容
+    description:
+      en_US: Input content
+      zh_Hans: 输入内容
+    required: true
+
+outputs:
+  - name: result
+    type: any
+    label:
+      en_US: Result
+      zh_Hans: 结果
+    description:
+      en_US: Flow execution result
+      zh_Hans: 流程执行结果
+  - name: success
+    type: boolean
+    label:
+      en_US: Success
+      zh_Hans: 成功
+    description:
+      en_US: Whether the call was successful
+      zh_Hans: 调用是否成功
+
+config:
+  - name: base-url
+    label:
+      en_US: Base URL
+      zh_Hans: 基础 URL
+    description:
+      en_US: Langflow server base URL
+      zh_Hans: Langflow 服务器基础 URL
+    type: string
+    required: true
+    default: 'http://localhost:7860'
+
+  - name: api-key
+    label:
+      en_US: API Key
+      zh_Hans: API 密钥
+    description:
+      en_US: Langflow API key
+      zh_Hans: Langflow API 密钥
+    type: string
+    required: true
+    default: ''
+
+  - name: flow-id
+    label:
+      en_US: Flow ID
+      zh_Hans: 流程 ID
+    description:
+      en_US: Flow ID to run
+      zh_Hans: 要运行的流程 ID
+    type: string
+    required: true
+    default: ''
+
+  - name: input-type
+    label:
+      en_US: Input Type
+      zh_Hans: 输入类型
+    description:
+      en_US: Input type for the flow
+      zh_Hans: 流程的输入类型
+    type: string
+    required: false
+    default: chat
+
+  - name: output-type
+    label:
+      en_US: Output Type
+      zh_Hans: 输出类型
+    description:
+      en_US: Output type for the flow
+      zh_Hans: 流程的输出类型
+    type: string
+    required: false
+    default: chat
+
+  - name: tweaks
+    label:
+      en_US: Tweaks
+      zh_Hans: 调整参数
+    description:
+      en_US: Optional tweaks to apply to the flow
+      zh_Hans: 可选的流程调整参数
+    type: json
+    required: false
+    default: '{}'

src/langbot/templates/metadata/nodes/llm_call.yaml

@@ -0,0 +1,150 @@
+# LLM Call Node Configuration
+# This file defines the metadata for the LLM Call workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/llm_call.py
+
+name: llm_call
+category: process
+icon: "🤖"
+color: '#8b5cf6'
+description: 'workflows.nodes.llmCallDescription'
+
+inputs:
+  - name: input
+    type: string
+    required: false
+    label:
+      en_US: Input
+      zh_Hans: 输入
+    description:
+      en_US: Input text to send to the model
+      zh_Hans: 发送到模型的输入文本
+  - name: context
+    type: object
+    required: false
+    label:
+      en_US: Context
+      zh_Hans: 上下文
+    description:
+      en_US: Additional context data
+      zh_Hans: 额外的上下文数据
+
+outputs:
+  - name: response
+    type: string
+    label:
+      en_US: Response
+      zh_Hans: 响应
+    description:
+      en_US: Model response text
+      zh_Hans: 模型响应文本
+  - name: usage
+    type: object
+    label:
+      en_US: Usage
+      zh_Hans: 使用量
+    description:
+      en_US: Token usage information
+      zh_Hans: Token 使用量信息
+  - name: parsed
+    type: object
+    label:
+      en_US: Parsed
+      zh_Hans: 解析结果
+    description:
+      en_US: Parsed output (if output format is JSON)
+      zh_Hans: 解析后的输出（如果输出格式为 JSON）
+
+config:
+  - name: model
+    type: llm-model-selector
+    required: true
+    label:
+      en_US: Model
+      zh_Hans: 模型
+    description:
+      en_US: Select the LLM model to use
+      zh_Hans: 选择要使用的 LLM 模型
+
+  - name: system_prompt
+    type: textarea
+    label:
+      en_US: System Prompt
+      zh_Hans: 系统提示词
+    description:
+      en_US: System prompt to set the model behavior
+      zh_Hans: 设置模型行为的系统提示词
+
+  - name: user_prompt_template
+    type: textarea
+    required: true
+    default: "{{input}}"
+    label:
+      en_US: User Prompt Template
+      zh_Hans: 用户提示词模板
+    description:
+      en_US: User prompt template with variable placeholders
+      zh_Hans: 带有变量占位符的用户提示词模板
+
+  - name: temperature
+    type: number
+    default: 0.7
+    label:
+      en_US: Temperature
+      zh_Hans: 温度
+    description:
+      en_US: Controls randomness in responses
+      zh_Hans: 控制响应的随机性
+
+  - name: max_tokens
+    type: integer
+    default: 0
+    label:
+      en_US: Max Tokens
+      zh_Hans: 最大令牌数
+    description:
+      en_US: Maximum number of tokens to generate
+      zh_Hans: 生成的最大令牌数
+
+  - name: output_format
+    type: select
+    default: text
+    options:
+      - text
+      - json
+      - markdown
+    label:
+      en_US: Output Format
+      zh_Hans: 输出格式
+    description:
+      en_US: Expected format of the model output
+      zh_Hans: 模型输出的预期格式
+
+  - name: json_schema
+    type: textarea
+    default: ""
+    label:
+      en_US: JSON Schema
+      zh_Hans: JSON Schema
+    description:
+      en_US: JSON schema for structured output validation
+      zh_Hans: 用于结构化输出验证的 JSON Schema
+
+  - name: enable_tools
+    type: boolean
+    default: false
+    label:
+      en_US: Enable Tools
+      zh_Hans: 启用工具
+    description:
+      en_US: Allow the model to use function calling tools
+      zh_Hans: 允许模型使用函数调用工具
+
+  - name: tools
+    type: json
+    default: []
+    label:
+      en_US: Tools
+      zh_Hans: 工具
+    description:
+      en_US: Select tools that the model can use
+      zh_Hans: 选择模型可以使用的工具

src/langbot/templates/metadata/nodes/loop.yaml

@@ -0,0 +1,112 @@
+# Loop Node Configuration
+# This file defines the metadata for the Loop workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/loop.py
+
+name: loop
+category: control
+icon: "🔁"
+color: '#8b5cf6'
+description: 'workflows.nodes.loopDescription'
+
+inputs:
+  - name: items
+    type: array
+    required: false
+    label:
+      en_US: Items
+      zh_Hans: 项目
+    description:
+      en_US: Items to iterate over
+      zh_Hans: 要遍历的项目
+
+outputs:
+  - name: item
+    type: any
+    label:
+      en_US: Item
+      zh_Hans: 当前项
+    description:
+      en_US: Current item in iteration
+      zh_Hans: 迭代中的当前项
+  - name: index
+    type: number
+    label:
+      en_US: Index
+      zh_Hans: 索引
+    description:
+      en_US: Current iteration index
+      zh_Hans: 当前迭代索引
+  - name: completed
+    type: any
+    label:
+      en_US: Completed
+      zh_Hans: 完成
+    description:
+      en_US: Output after loop completes
+      zh_Hans: 循环完成后的输出
+
+config:
+  - name: loop_type
+    type: select
+    required: true
+    default: foreach
+    options:
+      - foreach
+      - while
+      - count
+    label:
+      en_US: Loop Type
+      zh_Hans: 循环类型
+    description:
+      en_US: Type of loop to execute
+      zh_Hans: 要执行的循环类型
+
+  - name: max_iterations
+    type: integer
+    default: 100
+    label:
+      en_US: Max Iterations
+      zh_Hans: 最大迭代次数
+    description:
+      en_US: Maximum number of iterations
+      zh_Hans: 最大迭代次数
+
+  - name: count
+    type: integer
+    default: 10
+    label:
+      en_US: Count
+      zh_Hans: 计数
+    description:
+      en_US: Number of times to iterate
+      zh_Hans: 迭代次数
+
+  - name: while_condition
+    type: string
+    default: ""
+    label:
+      en_US: While Condition
+      zh_Hans: While 条件
+    description:
+      en_US: Condition expression to continue looping
+      zh_Hans: 继续循环的条件表达式
+
+  - name: parallel
+    type: boolean
+    default: false
+    label:
+      en_US: Parallel Execution
+      zh_Hans: 并行执行
+    description:
+      en_US: Execute iterations in parallel
+      zh_Hans: 并行执行迭代
+
+  - name: parallel_limit
+    type: integer
+    default: 5
+    label:
+      en_US: Parallel Limit
+      zh_Hans: 并行限制
+    description:
+      en_US: Maximum number of parallel executions
+      zh_Hans: 最大并行执行数

src/langbot/templates/metadata/nodes/mcp_tool.yaml

@@ -0,0 +1,83 @@
+# Mcp Tool Node Configuration
+# This file defines the metadata for the Mcp Tool workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/mcp_tool.py
+
+name: mcp_tool
+category: integration
+icon: 🔧
+color: '#ec4899'
+description: workflows.nodes.mcpToolDescription
+inputs:
+- name: arguments
+  type: object
+  required: false
+  label:
+    en_US: Arguments
+    zh_Hans: 参数
+  description:
+    en_US: Tool arguments
+    zh_Hans: 工具参数
+outputs:
+- name: result
+  type: any
+  label:
+    en_US: Result
+    zh_Hans: 结果
+  description:
+    en_US: Tool execution result
+    zh_Hans: 工具执行结果
+- name: success
+  type: boolean
+  label:
+    en_US: Success
+    zh_Hans: 成功
+  description:
+    en_US: Whether tool call was successful
+    zh_Hans: 工具调用是否成功
+- name: error
+  type: string
+  label:
+    en_US: Error
+    zh_Hans: 错误
+  description:
+    en_US: Error message if failed
+    zh_Hans: 失败时的错误信息
+config:
+- name: server_name
+  type: string
+  required: true
+  default: ''
+  label:
+    en_US: MCP Server
+    zh_Hans: MCP 服务器
+  description:
+    en_US: Name of the MCP server
+    zh_Hans: MCP 服务器名称
+- name: tool_name
+  type: string
+  required: true
+  default: ''
+  label:
+    en_US: Tool Name
+    zh_Hans: 工具名称
+  description:
+    en_US: Name of the MCP tool to invoke
+    zh_Hans: 要调用的 MCP 工具名称
+- name: arguments_template
+  type: textarea
+  default: ''
+  label:
+    en_US: Arguments Template
+    zh_Hans: 参数模板
+  description:
+    en_US: Tool arguments as JSON
+    zh_Hans: 工具参数（JSON 格式）
+- name: timeout
+  type: integer
+  default: 30
+  label:
+    en_US: Timeout (seconds)
+    zh_Hans: 超时时间（秒）
+  description:
+    en_US: Maximum execution time
+    zh_Hans: 最大执行时间

src/langbot/templates/metadata/nodes/memory_store.yaml

@@ -0,0 +1,94 @@
+# Memory Store Node Configuration
+# This file defines the metadata for the Memory Store workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/memory_store.py
+
+name: memory_store
+category: integration
+icon: "💾"
+color: '#ec4899'
+description: 'workflows.nodes.memoryStoreDescription'
+
+inputs:
+  - name: value
+    type: any
+    required: false
+    label:
+      en_US: Value
+      zh_Hans: 值
+    description:
+      en_US: Value to store
+      zh_Hans: 要存储的值
+
+outputs:
+  - name: result
+    type: any
+    label:
+      en_US: Result
+      zh_Hans: 结果
+    description:
+      en_US: Retrieved or stored value
+      zh_Hans: 检索到的或存储的值
+  - name: success
+    type: boolean
+    label:
+      en_US: Success
+      zh_Hans: 成功
+    description:
+      en_US: Whether operation was successful
+      zh_Hans: 操作是否成功
+
+config:
+  - name: operation
+    type: select
+    required: true
+    default: get
+    options:
+      - get
+      - set
+      - delete
+      - append
+      - list
+    label:
+      en_US: Operation
+      zh_Hans: 操作
+    description:
+      en_US: Memory operation to perform
+      zh_Hans: 要执行的记忆操作
+
+  - name: key
+    type: string
+    required: true
+    default: ""
+    label:
+      en_US: Key
+      zh_Hans: 键
+    description:
+      en_US: Memory key
+      zh_Hans: 记忆键
+
+  - name: scope
+    type: select
+    required: true
+    default: execution
+    options:
+      - execution
+      - workflow
+      - session
+      - user
+      - global
+    label:
+      en_US: Scope
+      zh_Hans: 作用域
+    description:
+      en_US: Scope of the memory storage
+      zh_Hans: 记忆存储的作用域
+
+  - name: ttl
+    type: integer
+    default: 0
+    label:
+      en_US: TTL (seconds)
+      zh_Hans: TTL（秒）
+    description:
+      en_US: Time to live (0 = no expiry)
+      zh_Hans: 过期时间（0 = 不过期）

src/langbot/templates/metadata/nodes/merge.yaml

@@ -0,0 +1,72 @@
+# Merge Node Configuration
+name: merge
+category: control
+icon: "🔗"
+color: '#f59e0b'
+description: 'workflows.nodes.mergeDescription'
+
+inputs:
+  - name: input_1
+    type: any
+    label:
+      en_US: Input 1
+      zh_Hans: 输入 1
+    description:
+      en_US: First input
+      zh_Hans: 第一个输入
+  - name: input_2
+    type: any
+    label:
+      en_US: Input 2
+      zh_Hans: 输入 2
+    description:
+      en_US: Second input
+      zh_Hans: 第二个输入
+  - name: input_3
+    type: any
+    label:
+      en_US: Input 3
+      zh_Hans: 输入 3
+    description:
+      en_US: Third input
+      zh_Hans: 第三个输入
+    required: false
+  - name: input_4
+    type: any
+    label:
+      en_US: Input 4
+      zh_Hans: 输入 4
+    description:
+      en_US: Fourth input
+      zh_Hans: 第四个输入
+    required: false
+
+outputs:
+  - name: merged
+    type: object
+    label:
+      en_US: Merged
+      zh_Hans: 合并结果
+    description:
+      en_US: Merged result
+      zh_Hans: 合并后的结果
+  - name: array
+    type: array
+    label:
+      en_US: Array
+      zh_Hans: 数组
+    description:
+      en_US: All inputs as array
+      zh_Hans: 所有输入作为数组
+
+config:
+  - name: merge_strategy
+    type: select
+    options: ["object", "array", "first_non_null", "concat"]
+    default: "object"
+    label:
+      en_US: Merge Strategy
+      zh_Hans: 合并策略
+    description:
+      en_US: Strategy for merging inputs
+      zh_Hans: 合并输入的策略

src/langbot/templates/metadata/nodes/message_trigger.yaml

@@ -0,0 +1,100 @@
+# Message Trigger Node Configuration
+# This file defines the metadata for the Message Trigger workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/message_trigger.py
+
+name: message_trigger
+category: trigger
+icon: "💬"
+color: '#22c55e'
+description: 'workflows.nodes.messageTriggerDescription'
+
+inputs: []
+
+outputs:
+  - name: message
+    type: object
+    label:
+      en_US: Message
+      zh_Hans: 消息
+    description:
+      en_US: The received message object
+      zh_Hans: 接收到的消息对象
+  - name: sender
+    type: object
+    label:
+      en_US: Sender
+      zh_Hans: 发送者
+    description:
+      en_US: Message sender information
+      zh_Hans: 消息发送者信息
+  - name: context
+    type: object
+    label:
+      en_US: Context
+      zh_Hans: 上下文
+    description:
+      en_US: Message context information
+      zh_Hans: 消息上下文信息
+
+config:
+  - name: match_type
+    type: select
+    required: true
+    default: all
+    options:
+      - all
+      - prefix
+      - regex
+      - contains
+      - exact
+    label:
+      en_US: Match Type
+      zh_Hans: 匹配类型
+    description:
+      en_US: How to match the incoming message
+      zh_Hans: 如何匹配收到的消息
+
+  - name: match_pattern
+    type: string
+    default: ""
+    label:
+      en_US: Match Pattern
+      zh_Hans: 匹配模式
+    description:
+      en_US: The pattern to match against the message
+      zh_Hans: 用于匹配消息的模式
+
+  - name: message_source
+    type: select
+    required: true
+    default: all
+    options:
+      - all
+      - group
+      - private
+    label:
+      en_US: Message Source
+      zh_Hans: 消息来源
+    description:
+      en_US: Filter messages by source type
+      zh_Hans: 按来源类型筛选消息
+
+  - name: platforms
+    type: json
+    default: []
+    label:
+      en_US: Platform Filter
+      zh_Hans: 平台筛选
+    description:
+      en_US: Only trigger for messages from these platforms
+      zh_Hans: 仅对来自这些平台的消息触发
+
+  - name: ignore_bot_messages
+    type: boolean
+    default: true
+    label:
+      en_US: Ignore Bot Messages
+      zh_Hans: 忽略机器人消息
+    description:
+      en_US: Do not trigger for messages sent by bots
+      zh_Hans: 不对机器人发送的消息触发

src/langbot/templates/metadata/nodes/n8n_workflow.yaml

@@ -0,0 +1,192 @@
+# n8n Workflow Node Configuration
+name: n8n_workflow
+label:
+  en_US: n8n Workflow
+  zh_Hans: n8n 工作流
+description:
+  en_US: Call n8n workflow API
+  zh_Hans: 调用 n8n 工作流 API
+category: integration
+icon: Workflow
+color: '#3b82f6'
+
+inputs:
+  - name: payload
+    type: object
+    label:
+      en_US: Payload
+      zh_Hans: 输入数据
+    description:
+      en_US: Workflow input data
+      zh_Hans: 工作流输入数据
+    required: false
+
+outputs:
+  - name: result
+    type: any
+    label:
+      en_US: Result
+      zh_Hans: 结果
+    description:
+      en_US: Workflow execution result
+      zh_Hans: 工作流执行结果
+  - name: success
+    type: boolean
+    label:
+      en_US: Success
+      zh_Hans: 成功
+    description:
+      en_US: Whether the call was successful
+      zh_Hans: 调用是否成功
+
+config:
+  - name: webhook-url
+    label:
+      en_US: Webhook URL
+      zh_Hans: Webhook URL
+    description:
+      en_US: n8n workflow webhook URL
+      zh_Hans: n8n 工作流 Webhook URL
+    type: string
+    required: true
+    default: ''
+
+  - name: auth-type
+    label:
+      en_US: Authentication Type
+      zh_Hans: 认证类型
+    description:
+      en_US: Authentication type for webhook call
+      zh_Hans: Webhook 调用的认证类型
+    type: select
+    required: true
+    default: none
+    options:
+      - name: none
+        label:
+          en_US: None
+          zh_Hans: 无认证
+      - name: basic
+        label:
+          en_US: Basic Auth
+          zh_Hans: 基本认证
+      - name: jwt
+        label:
+          en_US: JWT
+          zh_Hans: JWT认证
+      - name: header
+        label:
+          en_US: Header Auth
+          zh_Hans: 请求头认证
+
+  - name: basic-username
+    label:
+      en_US: Username
+      zh_Hans: 用户名
+    description:
+      en_US: Username for Basic Auth
+      zh_Hans: 基本认证的用户名
+    type: string
+    required: false
+    default: ''
+    show_if:
+      field: auth-type
+      operator: eq
+      value: basic
+
+  - name: basic-password
+    label:
+      en_US: Password
+      zh_Hans: 密码
+    description:
+      en_US: Password for Basic Auth
+      zh_Hans: 基本认证的密码
+    type: string
+    required: false
+    default: ''
+    show_if:
+      field: auth-type
+      operator: eq
+      value: basic
+
+  - name: jwt-secret
+    label:
+      en_US: Secret
+      zh_Hans: 密钥
+    description:
+      en_US: Secret for JWT authentication
+      zh_Hans: JWT认证的密钥
+    type: string
+    required: false
+    default: ''
+    show_if:
+      field: auth-type
+      operator: eq
+      value: jwt
+
+  - name: jwt-algorithm
+    label:
+      en_US: Algorithm
+      zh_Hans: 算法
+    description:
+      en_US: Algorithm for JWT authentication
+      zh_Hans: JWT认证的算法
+    type: string
+    required: false
+    default: HS256
+    show_if:
+      field: auth-type
+      operator: eq
+      value: jwt
+
+  - name: header-name
+    label:
+      en_US: Header Name
+      zh_Hans: 请求头名称
+    description:
+      en_US: Header name for Header Auth
+      zh_Hans: 请求头认证的名称
+    type: string
+    required: false
+    default: ''
+    show_if:
+      field: auth-type
+      operator: eq
+      value: header
+
+  - name: header-value
+    label:
+      en_US: Header Value
+      zh_Hans: 请求头值
+    description:
+      en_US: Header value for Header Auth
+      zh_Hans: 请求头认证的值
+    type: string
+    required: false
+    default: ''
+    show_if:
+      field: auth-type
+      operator: eq
+      value: header
+
+  - name: timeout
+    label:
+      en_US: Timeout (seconds)
+      zh_Hans: 超时时间（秒）
+    description:
+      en_US: Request timeout in seconds
+      zh_Hans: 请求超时时间（秒）
+    type: integer
+    required: false
+    default: 120
+
+  - name: output-key
+    label:
+      en_US: Output Key
+      zh_Hans: 输出键名
+    description:
+      en_US: Key name of output in webhook response
+      zh_Hans: Webhook 响应中输出内容的键名
+    type: string
+    required: false
+    default: response

src/langbot/templates/metadata/nodes/opening_statement.yaml

@@ -0,0 +1,57 @@
+# Opening Statement Node Configuration
+name: opening_statement
+category: action
+icon: "👋"
+color: '#ef4444'
+description: 'workflows.nodes.openingStatementDescription'
+
+inputs: []
+
+outputs:
+  - name: statement
+    type: string
+    label:
+      en_US: Statement
+      zh_Hans: 声明
+    description:
+      en_US: Opening statement
+      zh_Hans: 开场声明
+  - name: suggested_questions
+    type: array
+    label:
+      en_US: Suggested Questions
+      zh_Hans: 建议问题
+    description:
+      en_US: Suggested questions
+      zh_Hans: 建议问题
+
+config:
+  - name: statement
+    type: textarea
+    required: true
+    label:
+      en_US: Statement
+      zh_Hans: 声明
+    description:
+      en_US: Opening statement text
+      zh_Hans: 开场声明文本
+
+  - name: suggested_questions
+    type: json
+    default: ["问题1？", "问题2？", "问题3？"]
+    label:
+      en_US: Suggested Questions
+      zh_Hans: 建议问题
+    description:
+      en_US: List of suggested questions
+      zh_Hans: 建议问题列表
+
+  - name: show_suggestions
+    type: boolean
+    default: true
+    label:
+      en_US: Show Suggestions
+      zh_Hans: 显示建议
+    description:
+      en_US: Whether to show suggestions
+      zh_Hans: 是否显示建议

src/langbot/templates/metadata/nodes/parallel.yaml

@@ -0,0 +1,77 @@
+# Parallel Node Configuration
+# This file defines the metadata for the Parallel workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/parallel.py
+
+name: parallel
+category: control
+icon: "⚡"
+color: '#8b5cf6'
+description: 'workflows.nodes.parallelDescription'
+
+inputs:
+  - name: input
+    type: any
+    label:
+      en_US: Input
+      zh_Hans: 输入
+    description:
+      en_US: Input data for all branches
+      zh_Hans: 所有分支的输入数据
+
+outputs:
+  - name: branch_1
+    type: any
+    label:
+      en_US: Branch 1
+      zh_Hans: 分支 1
+    description:
+      en_US: Branch 1 output
+      zh_Hans: 分支 1 输出
+  - name: branch_2
+    type: any
+    label:
+      en_US: Branch 2
+      zh_Hans: 分支 2
+    description:
+      en_US: Branch 2 output
+      zh_Hans: 分支 2 输出
+  - name: results
+    type: object
+    label:
+      en_US: Results
+      zh_Hans: 结果
+    description:
+      en_US: Combined results from all branches
+      zh_Hans: 所有分支的合并结果
+
+config:
+  - name: branches
+    type: json
+    required: true
+    default: "[]"
+    label:
+      en_US: Branches
+      zh_Hans: 分支
+    description:
+      en_US: Define branches as JSON array
+      zh_Hans: 使用 JSON 数组定义分支
+
+  - name: wait_for_all
+    type: boolean
+    default: true
+    label:
+      en_US: Wait for All
+      zh_Hans: 等待全部完成
+    description:
+      en_US: Wait for all branches to complete
+      zh_Hans: 等待所有分支完成
+
+  - name: fail_fast
+    type: boolean
+    default: false
+    label:
+      en_US: Fail Fast
+      zh_Hans: 快速失败
+    description:
+      en_US: Stop all branches if any one fails
+      zh_Hans: 如果任何一个分支失败则停止所有分支

src/langbot/templates/metadata/nodes/parameter_extractor.yaml

@@ -0,0 +1,87 @@
+# Parameter Extractor Node Configuration
+# This file defines the metadata for the Parameter Extractor workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/parameter_extractor.py
+
+name: parameter_extractor
+category: process
+icon: "🔍"
+color: '#8b5cf6'
+description: 'workflows.nodes.parameterExtractorDescription'
+
+inputs:
+  - name: text
+    type: string
+    label:
+      en_US: Text
+      zh_Hans: 文本
+    description:
+      en_US: Text to extract parameters from
+      zh_Hans: 要提取参数的文本
+
+outputs:
+  - name: parameters
+    type: object
+    label:
+      en_US: Parameters
+      zh_Hans: 参数
+    description:
+      en_US: Extracted parameters as key-value pairs
+      zh_Hans: 提取的参数键值对
+  - name: missing
+    type: array
+    label:
+      en_US: Missing
+      zh_Hans: 缺失项
+    description:
+      en_US: List of required parameters that could not be extracted
+      zh_Hans: 无法提取的必需参数列表
+  - name: success
+    type: boolean
+    label:
+      en_US: Success
+      zh_Hans: 成功
+    description:
+      en_US: Whether all required parameters were extracted
+      zh_Hans: 是否所有必需参数都已提取
+
+config:
+  - name: model
+    type: llm-model-selector
+    required: true
+    label:
+      en_US: Extraction Model
+      zh_Hans: 提取模型
+    description:
+      en_US: Select the model for parameter extraction
+      zh_Hans: 选择用于参数提取的模型
+
+  - name: parameters
+    type: textarea
+    required: true
+    default: "[]"
+    label:
+      en_US: Parameters Schema
+      zh_Hans: 参数架构
+    description:
+      en_US: JSON array defining expected parameters
+      zh_Hans: 定义期望参数的 JSON 数组
+
+  - name: extraction_prompt
+    type: textarea
+    default: ""
+    label:
+      en_US: Extraction Prompt
+      zh_Hans: 提取提示
+    description:
+      en_US: Additional instructions for the extraction model
+      zh_Hans: 提取模型的额外指令
+
+  - name: strict_mode
+    type: boolean
+    default: true
+    label:
+      en_US: Strict Mode
+      zh_Hans: 严格模式
+    description:
+      en_US: Fail if any required parameter cannot be extracted
+      zh_Hans: 如果任何必需参数无法提取则失败

src/langbot/templates/metadata/nodes/question_classifier.yaml

@@ -0,0 +1,87 @@
+# Question Classifier Node Configuration
+# This file defines the metadata for the Question Classifier workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/question_classifier.py
+
+name: question_classifier
+category: process
+icon: "🏷️"
+color: '#8b5cf6'
+description: 'workflows.nodes.questionClassifierDescription'
+
+inputs:
+  - name: question
+    type: string
+    label:
+      en_US: Question
+      zh_Hans: 问题
+    description:
+      en_US: The question to classify
+      zh_Hans: 要分类的问题
+
+outputs:
+  - name: category
+    type: string
+    label:
+      en_US: Category
+      zh_Hans: 分类
+    description:
+      en_US: The classified category
+      zh_Hans: 分类结果
+  - name: confidence
+    type: number
+    label:
+      en_US: Confidence
+      zh_Hans: 置信度
+    description:
+      en_US: Classification confidence score
+      zh_Hans: 分类置信度分数
+  - name: all_scores
+    type: object
+    label:
+      en_US: All Scores
+      zh_Hans: 所有分数
+    description:
+      en_US: Scores for all categories
+      zh_Hans: 所有分类的分数
+
+config:
+  - name: model
+    type: llm-model-selector
+    required: true
+    label:
+      en_US: Classification Model
+      zh_Hans: 分类模型
+    description:
+      en_US: Select the model to use for classification
+      zh_Hans: 选择用于分类的模型
+
+  - name: categories
+    type: textarea
+    required: true
+    default: "[]"
+    label:
+      en_US: Categories Definition
+      zh_Hans: 分类定义
+    description:
+      en_US: Define categories in JSON format
+      zh_Hans: 使用 JSON 格式定义分类
+
+  - name: confidence_threshold
+    type: number
+    default: 0.7
+    label:
+      en_US: Confidence Threshold
+      zh_Hans: 置信度阈值
+    description:
+      en_US: Minimum confidence score required
+      zh_Hans: 所需的最小置信度分数
+
+  - name: fallback_category
+    type: string
+    default: other
+    label:
+      en_US: Fallback Category
+      zh_Hans: 默认分类
+    description:
+      en_US: Category to use when confidence is below threshold
+      zh_Hans: 当置信度低于阈值时使用的分类

src/langbot/templates/metadata/nodes/redis_operation.yaml

@@ -0,0 +1,113 @@
+# Redis Operation Node Configuration
+# This file defines the metadata for the Redis Operation workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/redis_operation.py
+
+name: redis_operation
+category: integration
+icon: "🔴"
+color: '#ec4899'
+description: 'workflows.nodes.redisOperationDescription'
+
+inputs:
+  - name: key
+    type: string
+    required: false
+    label:
+      en_US: Key
+      zh_Hans: 键
+    description:
+      en_US: Redis key
+      zh_Hans: Redis 键
+  - name: value
+    type: any
+    required: false
+    label:
+      en_US: Value
+      zh_Hans: 值
+    description:
+      en_US: Value to store
+      zh_Hans: 要存储的值
+
+outputs:
+  - name: result
+    type: any
+    label:
+      en_US: Result
+      zh_Hans: 结果
+    description:
+      en_US: Operation result
+      zh_Hans: 操作结果
+  - name: success
+    type: boolean
+    label:
+      en_US: Success
+      zh_Hans: 成功
+    description:
+      en_US: Whether operation was successful
+      zh_Hans: 操作是否成功
+
+config:
+  - name: connection_url
+    type: string
+    required: true
+    default: "redis://localhost:6379"
+    label:
+      en_US: Redis URL
+      zh_Hans: Redis URL
+    description:
+      en_US: Redis connection URL
+      zh_Hans: Redis 连接 URL
+
+  - name: operation
+    type: select
+    required: true
+    default: get
+    options:
+      - get
+      - set
+      - delete
+      - exists
+      - incr
+      - decr
+      - hget
+      - hset
+      - lpush
+      - rpush
+      - lpop
+      - rpop
+    label:
+      en_US: Operation
+      zh_Hans: 操作
+    description:
+      en_US: Redis operation to perform
+      zh_Hans: 要执行的 Redis 操作
+
+  - name: key_template
+    type: string
+    default: ""
+    label:
+      en_US: Key Template
+      zh_Hans: 键模板
+    description:
+      en_US: Redis key template
+      zh_Hans: Redis 键模板
+
+  - name: hash_field
+    type: string
+    default: ""
+    label:
+      en_US: Hash Field
+      zh_Hans: 哈希字段
+    description:
+      en_US: Field name for hash operations
+      zh_Hans: 哈希操作的字段名
+
+  - name: ttl
+    type: integer
+    default: 0
+    label:
+      en_US: TTL (seconds)
+      zh_Hans: TTL（秒）
+    description:
+      en_US: Time to live for SET operations
+      zh_Hans: SET 操作的过期时间

src/langbot/templates/metadata/nodes/reply_message.yaml

@@ -0,0 +1,75 @@
+# Reply Message Node Configuration
+name: reply_message
+category: action
+icon: "↩️"
+color: '#ef4444'
+description: 'workflows.nodes.replyMessageDescription'
+
+inputs:
+  - name: message
+    type: string
+    label:
+      en_US: Message
+      zh_Hans: 消息
+    description:
+      en_US: Message to reply
+      zh_Hans: 要回复的消息
+
+outputs:
+  - name: status
+    type: string
+    label:
+      en_US: Status
+      zh_Hans: 状态
+    description:
+      en_US: Reply status
+      zh_Hans: 回复状态
+  - name: message_id
+    type: string
+    label:
+      en_US: Message ID
+      zh_Hans: 消息 ID
+    description:
+      en_US: Message ID
+      zh_Hans: 消息 ID
+
+config:
+  - name: reply_mode
+    type: select
+    options: ["direct", "quote", "at"]
+    default: "direct"
+    label:
+      en_US: Reply Mode
+      zh_Hans: 回复模式
+    description:
+      en_US: How to reply
+      zh_Hans: 回复方式
+
+  - name: message_template
+    type: textarea
+    label:
+      en_US: Message Template
+      zh_Hans: 消息模板
+    description:
+      en_US: Message template with variable interpolation
+      zh_Hans: 支持变量插值的消息模板
+
+  - name: long_text_processing
+    type: json
+    label:
+      en_US: Long Text Processing
+      zh_Hans: 长文本处理
+    description:
+      en_US: Long text processing settings
+      zh_Hans: 长文本处理设置
+    pipeline_config_source: "pipeline:output:long-text-processing"
+
+  - name: force_delay
+    type: json
+    label:
+      en_US: Force Delay
+      zh_Hans: 强制延迟
+    description:
+      en_US: Force delay settings
+      zh_Hans: 强制延迟设置
+    pipeline_config_source: "pipeline:output:force-delay"

src/langbot/templates/metadata/nodes/send_message.yaml

@@ -0,0 +1,95 @@
+# Send Message Node Configuration
+# This file defines the metadata for the Send Message workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/send_message.py
+
+name: send_message
+category: action
+icon: "📤"
+color: '#10b981'
+description: 'workflows.nodes.sendMessageDescription'
+
+inputs:
+  - name: content
+    type: string
+    required: false
+    label:
+      en_US: Content
+      zh_Hans: 内容
+    description:
+      en_US: Message content to send
+      zh_Hans: 要发送的消息内容
+  - name: context
+    type: object
+    required: false
+    label:
+      en_US: Context
+      zh_Hans: 上下文
+    description:
+      en_US: Message context (for reply)
+      zh_Hans: 消息上下文（用于回复）
+
+outputs:
+  - name: message_id
+    type: string
+    label:
+      en_US: Message ID
+      zh_Hans: 消息 ID
+    description:
+      en_US: ID of the sent message
+      zh_Hans: 已发送消息的 ID
+  - name: success
+    type: boolean
+    label:
+      en_US: Success
+      zh_Hans: 成功
+    description:
+      en_US: Whether the message was sent successfully
+      zh_Hans: 消息是否发送成功
+
+config:
+  - name: message_type
+    type: select
+    required: true
+    default: text
+    options:
+      - text
+      - markdown
+      - image
+      - file
+      - card
+    label:
+      en_US: Message Type
+      zh_Hans: 消息类型
+    description:
+      en_US: Type of message to send
+      zh_Hans: 要发送的消息类型
+
+  - name: content_template
+    type: textarea
+    default: ""
+    label:
+      en_US: Content Template
+      zh_Hans: 内容模板
+    description:
+      en_US: Message content template
+      zh_Hans: 消息内容模板
+
+  - name: reply_to_original
+    type: boolean
+    default: true
+    label:
+      en_US: Reply to Original
+      zh_Hans: 回复原消息
+    description:
+      en_US: Reply to the original message
+      zh_Hans: 回复原始消息
+
+  - name: at_sender
+    type: boolean
+    default: false
+    label:
+      en_US: '@ Sender'
+      zh_Hans: '@ 发送者'
+    description:
+      en_US: Mention the original sender
+      zh_Hans: 提及原始发送者

src/langbot/templates/metadata/nodes/set_variable.yaml

@@ -0,0 +1,59 @@
+# Set Variable Node Configuration
+name: set_variable
+category: action
+icon: "📝"
+color: '#ef4444'
+description: 'workflows.nodes.setVariableDescription'
+
+inputs:
+  - name: value
+    type: any
+    label:
+      en_US: Value
+      zh_Hans: 值
+    description:
+      en_US: Value to set
+      zh_Hans: 要设置的值
+
+outputs:
+  - name: value
+    type: any
+    label:
+      en_US: Value
+      zh_Hans: 值
+    description:
+      en_US: Set value
+      zh_Hans: 设置的值
+
+config:
+  - name: variable_name
+    type: string
+    required: true
+    label:
+      en_US: Variable Name
+      zh_Hans: 变量名
+    description:
+      en_US: Name of the variable
+      zh_Hans: 变量名称
+
+  - name: variable_scope
+    type: select
+    options: ["workflow", "conversation"]
+    default: "workflow"
+    label:
+      en_US: Variable Scope
+      zh_Hans: 变量作用域
+    description:
+      en_US: Scope of the variable
+      zh_Hans: 变量作用域
+
+  - name: operation
+    type: select
+    options: ["set", "append", "increment", "decrement"]
+    default: "set"
+    label:
+      en_US: Operation
+      zh_Hans: 操作
+    description:
+      en_US: Operation to perform
+      zh_Hans: 要执行的操作

src/langbot/templates/metadata/nodes/store_data.yaml

@@ -0,0 +1,65 @@
+# Store Data Node Configuration
+name: store_data
+category: action
+icon: "💾"
+color: '#ef4444'
+description: 'workflows.nodes.storeDataDescription'
+
+inputs:
+  - name: key
+    type: string
+    label:
+      en_US: Key
+      zh_Hans: 键
+    description:
+      en_US: Storage key
+      zh_Hans: 存储键
+  - name: value
+    type: any
+    label:
+      en_US: Value
+      zh_Hans: 值
+    description:
+      en_US: Value to store
+      zh_Hans: 要存储的值
+
+outputs:
+  - name: status
+    type: string
+    label:
+      en_US: Status
+      zh_Hans: 状态
+    description:
+      en_US: Store status
+      zh_Hans: 存储状态
+
+config:
+  - name: storage_type
+    type: select
+    options: ["session", "user", "global", "database"]
+    default: "session"
+    label:
+      en_US: Storage Type
+      zh_Hans: 存储类型
+    description:
+      en_US: Type of storage
+      zh_Hans: 存储类型
+
+  - name: ttl
+    type: integer
+    default: 0
+    label:
+      en_US: TTL (seconds)
+      zh_Hans: 过期时间（秒）
+    description:
+      en_US: Time to live in seconds
+      zh_Hans: 存活时间（秒）
+
+  - name: key_prefix
+    type: string
+    label:
+      en_US: Key Prefix
+      zh_Hans: 键前缀
+    description:
+      en_US: Key prefix
+      zh_Hans: 键前缀

src/langbot/templates/metadata/nodes/switch.yaml

@@ -0,0 +1,78 @@
+# Switch Node Configuration
+# This file defines the metadata for the Switch workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/switch.py
+
+name: switch
+category: control
+icon: "🔀"
+color: '#8b5cf6'
+description: 'workflows.nodes.switchDescription'
+
+inputs:
+  - name: input
+    type: any
+    label:
+      en_US: Input
+      zh_Hans: 输入
+    description:
+      en_US: Value to switch on
+      zh_Hans: 用于切换的值
+
+outputs:
+  - name: case_1
+    type: any
+    label:
+      en_US: Case 1
+      zh_Hans: 情况 1
+    description:
+      en_US: Case 1 output
+      zh_Hans: 情况 1 输出
+  - name: case_2
+    type: any
+    label:
+      en_US: Case 2
+      zh_Hans: 情况 2
+    description:
+      en_US: Case 2 output
+      zh_Hans: 情况 2 输出
+  - name: default
+    type: any
+    label:
+      en_US: Default
+      zh_Hans: 默认
+    description:
+      en_US: Default output
+      zh_Hans: 默认输出
+
+config:
+  - name: switch_expression
+    type: string
+    required: true
+    default: "{{input}}"
+    label:
+      en_US: Switch Expression
+      zh_Hans: 开关表达式
+    description:
+      en_US: Expression to evaluate for switching
+      zh_Hans: 用于切换的表达式
+
+  - name: cases
+    type: json
+    required: true
+    default: "[]"
+    label:
+      en_US: Cases
+      zh_Hans: 情况
+    description:
+      en_US: Define cases as JSON array
+      zh_Hans: 使用 JSON 数组定义情况
+
+  - name: case_sensitive
+    type: boolean
+    default: true
+    label:
+      en_US: Case Sensitive
+      zh_Hans: 区分大小写
+    description:
+      en_US: Whether string comparisons are case-sensitive
+      zh_Hans: 字符串比较是否区分大小写

src/langbot/templates/metadata/nodes/variable_aggregator.yaml

@@ -0,0 +1,48 @@
+# Variable Aggregator Node Configuration
+name: variable_aggregator
+category: control
+icon: "📊"
+color: '#f59e0b'
+description: 'workflows.nodes.variableAggregatorDescription'
+
+inputs:
+  - name: variables
+    type: object
+    label:
+      en_US: Variables
+      zh_Hans: 变量
+    description:
+      en_US: Variables to aggregate
+      zh_Hans: 要聚合的变量
+
+outputs:
+  - name: aggregated
+    type: object
+    label:
+      en_US: Aggregated
+      zh_Hans: 聚合结果
+    description:
+      en_US: Aggregated variables
+      zh_Hans: 聚合后的变量
+
+config:
+  - name: variable_mappings
+    type: json
+    default: []
+    label:
+      en_US: Variable Mappings
+      zh_Hans: 变量映射
+    description:
+      en_US: Variable mapping configurations
+      zh_Hans: 变量映射配置
+
+  - name: aggregation_mode
+    type: select
+    options: ["merge", "override", "append"]
+    default: "merge"
+    label:
+      en_US: Aggregation Mode
+      zh_Hans: 聚合模式
+    description:
+      en_US: Mode for aggregating variables
+      zh_Hans: 变量聚合模式

src/langbot/templates/metadata/nodes/wait.yaml

@@ -0,0 +1,65 @@
+# Wait Node Configuration
+# This file defines the metadata for the Wait workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/wait.py
+
+name: wait
+category: control
+icon: "⏳"
+color: '#8b5cf6'
+description: 'workflows.nodes.waitDescription'
+
+inputs:
+  - name: input
+    type: any
+    required: false
+    label:
+      en_US: Input
+      zh_Hans: 输入
+    description:
+      en_US: Input to pass through
+      zh_Hans: 传递的输入
+
+outputs:
+  - name: output
+    type: any
+    label:
+      en_US: Output
+      zh_Hans: 输出
+    description:
+      en_US: Passed through input
+      zh_Hans: 传递的输入
+
+config:
+  - name: wait_type
+    type: select
+    required: true
+    default: duration
+    options:
+      - duration
+      - until
+    label:
+      en_US: Wait Type
+      zh_Hans: 等待类型
+    description:
+      en_US: Type of wait operation
+      zh_Hans: 等待操作的类型
+
+  - name: duration
+    type: integer
+    default: 5
+    label:
+      en_US: Duration (seconds)
+      zh_Hans: 时长（秒）
+    description:
+      en_US: Number of seconds to wait
+      zh_Hans: 等待的秒数
+
+  - name: until_time
+    type: string
+    default: ""
+    label:
+      en_US: Until Time
+      zh_Hans: 直到时间
+    description:
+      en_US: Wait until this time
+      zh_Hans: 等待直到此时间

src/langbot/templates/metadata/nodes/webhook_trigger.yaml

@@ -0,0 +1,138 @@
+# Webhook Trigger Node Configuration
+# This file defines the metadata for the Webhook Trigger workflow node
+# The corresponding Python implementation is in: pkg/workflow/nodes/webhook_trigger.py
+
+name: webhook_trigger
+category: trigger
+icon: "🌐"
+color: '#22c55e'
+description: 'workflows.nodes.webhookTriggerDescription'
+
+inputs: []
+
+outputs:
+  - name: body
+    type: object
+    label:
+      en_US: Body
+      zh_Hans: 请求体
+    description:
+      en_US: Request body data
+      zh_Hans: 请求体数据
+  - name: headers
+    type: object
+    label:
+      en_US: Headers
+      zh_Hans: 请求头
+    description:
+      en_US: Request headers
+      zh_Hans: 请求头
+  - name: query
+    type: object
+    label:
+      en_US: Query
+      zh_Hans: 查询参数
+    description:
+      en_US: Query parameters
+      zh_Hans: 查询参数
+  - name: method
+    type: string
+    label:
+      en_US: Method
+      zh_Hans: HTTP 方法
+    description:
+      en_US: HTTP method
+      zh_Hans: HTTP 请求方法
+
+config:
+  - name: webhook_path
+    type: string
+    required: true
+    default: ""
+    label:
+      en_US: Webhook Path
+      zh_Hans: Webhook 路径
+    description:
+      en_US: Unique path for this webhook
+      zh_Hans: 此 Webhook 的唯一路径
+
+  - name: auth_type
+    type: select
+    required: true
+    default: none
+    options:
+      - none
+      - token
+      - signature
+      - basic
+    label:
+      en_US: Authentication
+      zh_Hans: 认证方式
+    description:
+      en_US: How to authenticate incoming webhook requests
+      zh_Hans: 如何验证传入的 Webhook 请求
+
+  - name: auth_token
+    type: string
+    default: ""
+    label:
+      en_US: Auth Token
+      zh_Hans: 认证令牌
+    description:
+      en_US: Token or secret for authentication
+      zh_Hans: 用于认证的令牌或密钥
+
+  - name: allowed_ips
+    type: json
+    default: []
+    label:
+      en_US: Allowed IPs
+      zh_Hans: 允许的 IP
+    description:
+      en_US: List of allowed IP addresses
+      zh_Hans: 允许的 IP 地址列表
+
+  - name: allowed_methods
+    type: json
+    default: ["POST"]
+    label:
+      en_US: Allowed Methods
+      zh_Hans: 允许的方法
+    description:
+      en_US: Allowed HTTP methods
+      zh_Hans: 允许的 HTTP 方法
+
+  - name: content_type
+    type: select
+    default: "application/json"
+    options:
+      - "application/json"
+      - "application/x-www-form-urlencoded"
+      - "multipart/form-data"
+      - "text/plain"
+    label:
+      en_US: Content Type
+      zh_Hans: 内容类型
+    description:
+      en_US: Expected Content-Type
+      zh_Hans: 期望的内容类型
+
+  - name: validation
+    type: json
+    default: "{}"
+    label:
+      en_US: Validation Rules
+      zh_Hans: 验证规则
+    description:
+      en_US: Request validation rules
+      zh_Hans: 请求验证规则
+
+  - name: timeout
+    type: integer
+    default: 30
+    label:
+      en_US: Timeout (seconds)
+      zh_Hans: 超时时间（秒）
+    description:
+      en_US: Request timeout in seconds
+      zh_Hans: 请求超时时间（秒）