feat(graphrag): 新增多轮检索流式问答与用户管理界面

- 新增多轮 GraphRAG 检索功能，支持流式进度输出（SSE）
- 新增用户管理界面，可查看所有用户图谱统计并快速导航
- 新增多 Agent 任务拆解与执行服务，支持复杂任务协作处理
- 改进 embedding 和 rerank 服务的容错机制，支持备用模型和端点
- 更新前端样式遵循 Acmetone 设计规范，优化视觉一致性
- 新增流式分析接口，支持并行处理和专家评审选项

OnceLove/oncelove-graphrag/api/src/server.js

@@ -5,7 +5,7 @@ import swaggerUi from "@fastify/swagger-ui";
 import { env } from "./config/env.js";
 import { createClients } from "./config/clients.js";
 import { createSwaggerSpec } from "./config/swagger.js";
-import { EmbeddingService, RerankService, GraphRagService, LLMService } from "./services/index.js";
+import { EmbeddingService, RerankService, GraphRagService, LLMService, MultiAgentService } from "./services/index.js";
 import { createGraphRagController } from "./controllers/index.js";
 import { registerRoutes } from "./routes/index.js";
 
@@ -42,7 +42,11 @@ export const createServer = async () => {
     llmService,
     env
   });
-  const controller = createGraphRagController(service);
+  const multiAgentService = new MultiAgentService({
+    llmService,
+    logger: app.log
+  });
+  const controller = createGraphRagController(service, multiAgentService);
 
   await registerRoutes(app, controller, env);