new node

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

@@ -0,0 +1,79 @@
+# Call Workflow Node Configuration
+name: call_workflow
+label:
+  en_US: Call Workflow
+  zh_Hans: 调用工作流
+category: action
+icon: Workflow
+color: '#8b5cf6'
+description:
+  en_US: Invoke an existing Workflow for processing
+  zh_Hans: 调用现有的工作流进行处理
+
+inputs:
+  - name: variables
+    type: object
+    label:
+      en_US: Variables
+      zh_Hans: 变量
+    description:
+      en_US: Variables to pass to the called workflow
+      zh_Hans: 传递给被调用工作流的变量
+    required: false
+
+outputs:
+  - name: result
+    type: object
+    label:
+      en_US: Result
+      zh_Hans: 结果
+    description:
+      en_US: Workflow execution result (ExecutionContext)
+      zh_Hans: 工作流执行结果（执行上下文）
+  - name: status
+    type: string
+    label:
+      en_US: Status
+      zh_Hans: 状态
+    description:
+      en_US: Workflow execution status
+      zh_Hans: 工作流执行状态
+  - name: error
+    type: string
+    label:
+      en_US: Error
+      zh_Hans: 错误
+    description:
+      en_US: Error message if execution failed
+      zh_Hans: 执行失败时的错误信息
+
+config:
+  - name: workflow_uuid
+    type: workflow-selector
+    required: true
+    label:
+      en_US: Workflow
+      zh_Hans: 工作流
+    description:
+      en_US: Workflow to call
+      zh_Hans: 要调用的工作流
+
+  - name: inherit_variables
+    type: boolean
+    default: true
+    label:
+      en_US: Inherit Variables
+      zh_Hans: 继承变量
+    description:
+      en_US: Whether to inherit current workflow variables
+      zh_Hans: 是否继承当前工作流的变量
+
+  - name: timeout
+    type: integer
+    default: 300
+    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/llm_call.yaml

@@ -70,25 +70,73 @@ config:
       en_US: Select the LLM model to use
       zh_Hans: 选择要使用的 LLM 模型
 
-  - name: system_prompt
-    type: textarea
+  - name: fallback_models
+    type: model-fallback-selector
+    required: false
+    default: []
     label:
-      en_US: System Prompt
-      zh_Hans: 系统提示词
+      en_US: Fallback Models
+      zh_Hans: 备用模型
     description:
-      en_US: System prompt to set the model behavior
-      zh_Hans: 设置模型行为的系统提示词
+      en_US: List of fallback models to try if the primary model fails
+      zh_Hans: 主模型失败时尝试的备用模型列表
 
-  - name: user_prompt_template
-    type: textarea
-    required: true
-    default: "{{input}}"
+  - name: prompt
     label:
-      en_US: User Prompt Template
-      zh_Hans: 用户提示词模板
+      en_US: Prompt
+      zh_Hans: 提示词
     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
+      en_US: Unless you understand the message structure, please only use a single system prompt
+      zh_Hans: 除非您了解消息结构，否则请只使用 system 单提示词
+    type: prompt-editor
+    required: true
+    default:
+      - role: system
+        content: "You are a helpful assistant."
+
+  - name: max_round
+    type: integer
+    required: false
+    default: 10
+    label:
+      en_US: Max Round
+      zh_Hans: 最大回合数
+    description:
+      en_US: The maximum number of previous messages that the agent can remember
+      zh_Hans: 最大前文消息回合数
+
+  - name: knowledge_bases
+    type: knowledge-base-multi-selector
+    required: false
+    default: []
+    label:
+      en_US: Knowledge Bases
+      zh_Hans: 知识库
+    description:
+      en_US: Configure the knowledge bases to use for the agent, if not selected, the agent will directly use the LLM to reply
+      zh_Hans: 配置用于提升回复质量的知识库，若不选择，则直接使用大模型回复
+
+  - name: rerank_model
+    type: rerank-model-selector
+    required: false
+    default: ''
+    label:
+      en_US: Rerank Model
+      zh_Hans: 重排序模型
+    description:
+      en_US: Optional rerank model to improve retrieval quality by re-scoring retrieved chunks
+      zh_Hans: 可选的重排序模型，通过重新评分检索结果来提升检索质量
+
+  - name: rerank_top_k
+    type: integer
+    required: false
+    default: 5
+    label:
+      en_US: Rerank Top K
+      zh_Hans: 重排序保留数量
+    description:
+      en_US: Number of top results to keep after reranking
+      zh_Hans: 重排序后保留的最相关结果数量
 
   - name: temperature
     type: number
@@ -134,26 +182,6 @@ config:
       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
-
   - name: exception_handling
     type: select
     required: true