feat: 初始化 OnceLove GraphRAG 项目基础架构

- 添加完整的项目结构，包括前端（Vue3 + Vite）、后端（Fastify）和基础设施配置
- 实现核心 GraphRAG 服务，集成 Neo4j 图数据库和 Qdrant 向量数据库
- 添加用户认证系统和管理员登录界面
- 提供 Docker 容器化部署方案和开发环境配置
- 包含项目文档、API 文档（Swagger）和测试脚本

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

@@ -0,0 +1,54 @@
+import Fastify from "fastify";
+import cors from "@fastify/cors";
+import swagger from "@fastify/swagger";
+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 { createGraphRagController } from "./controllers/index.js";
+import { registerRoutes } from "./routes/index.js";
+
+/**
+ * 创建 Fastify 应用并完成依赖装配与路由注册。
+ */
+export const createServer = async () => {
+  const app = Fastify({ logger: true });
+
+  await app.register(cors, {
+    origin: [env.WEBUI_URL, "http://localhost:8080", "http://127.0.0.1:8080", "http://localhost:5174", "http://127.0.0.1:5174", "http://localhost:5173", "http://127.0.0.1:5173"],
+    methods: ["GET", "POST", "PUT", "DELETE", "OPTIONS"],
+    allowedHeaders: ["Content-Type", "Authorization"]
+  });
+
+  await app.register(swagger, {
+    mode: "static",
+    specification: {
+      document: createSwaggerSpec(env)
+    }
+  });
+  await app.register(swaggerUi, {
+    routePrefix: "/api-docs"
+  });
+  const { neo4jDriver, qdrantClient } = createClients(env);
+  const embeddingService = new EmbeddingService(env);
+  const rerankService = new RerankService(env);
+  const llmService = new LLMService(env);
+  const service = new GraphRagService({
+    driver: neo4jDriver,
+    qdrantClient,
+    embeddingService,
+    rerankService,
+    llmService,
+    env
+  });
+  const controller = createGraphRagController(service);
+
+  await registerRoutes(app, controller, env);
+
+  app.addHook("onClose", async () => {
+    await neo4jDriver.close();
+  });
+
+  return { app, env };
+};