Allows changing GRAPHRAG_ENABLED and GRAPHRAG_MAX_QUERIES on the front end

@@ -76,6 +76,10 @@ class Settings(BaseSettings):
     KEYWORD_OPTIMIZER_BASE_URL: Optional[str] = Field(None, description="Keyword Optimizer BaseUrl，可按所选服务配置")
     KEYWORD_OPTIMIZER_MODEL_NAME: Optional[str] = Field(None, description="Keyword Optimizer LLM 模型名称，例如 qwen-plus")
     
+    # ================== GraphRAG 配置 ====================
+    GRAPHRAG_ENABLED: bool = Field(False, description="是否启用GraphRAG知识图谱功能（true/false）")
+    GRAPHRAG_MAX_QUERIES: int = Field(3, description="GraphRAG每个章节生成前的最大查询次数")
+    
     # ================== 网络工具配置 ====================
     # Tavily API（申请地址：https://www.tavily.com/）
     TAVILY_API_KEY: Optional[str] = Field(None, description="Tavily API（申请地址：https://www.tavily.com/）API密钥，用于Tavily网络搜索")

@@ -2120,6 +2120,14 @@
                     { key: 'BOCHA_WEB_SEARCH_API_KEY', label: 'Bocha API Key', type: 'password', condition: { key: 'SEARCH_TOOL_TYPE', value: 'BochaAPI' } },
                     { key: 'ANSPIRE_API_KEY', label: 'Anspire API Key', type: 'password', condition: { key: 'SEARCH_TOOL_TYPE', value: 'AnspireAPI' } }
                 ]
+            },
+            {
+                title: 'GraphRAG 图谱增强',
+                subtitle: '章节生成前的知识图谱查询，默认关闭',
+                fields: [
+                    { key: 'GRAPHRAG_ENABLED', label: '是否启用', type: 'select', options: ['False', 'True'] },
+                    { key: 'GRAPHRAG_MAX_QUERIES', label: '每章节查询次数上限', type: 'number', condition: { key: 'GRAPHRAG_ENABLED', value: 'True' } }
+                ]
             }
         ];