refactor: 主要功能实现

目前的工作已经实现的功能：
- 基本 FastAPI 路由；
- 基本 AI 聊天和创作功能；
- 用户信息管理、权限验证、JWT 令牌签发和验证、端点保护；
- HTML 验证码邮件发送和验证码验证。

src/nyahome/server.py

@@ -1,8 +1,55 @@
+import asyncio
+import logging
+from contextlib import asynccontextmanager
+from pathlib import Path
+from typing import Any, AsyncGenerator
+
 from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
 
-from nyahome.router import admin_router, webui_router
+from nyahome.config import config_manager
+from nyahome.core.otp_store import email_otp_memory_store
+from nyahome.core.send_email import email_sender_queue
+from nyahome.core.task import init_admin_user
+from nyahome.database import create_db
+from nyahome.router import admin_router, aii_router, chatroom_router, file_router, webui_router
 
-app = FastAPI(title="🌸 NyaHome ~")
+logger = logging.getLogger(__name__)
+
+
+@asynccontextmanager
+async def lifespan(app_: FastAPI) -> AsyncGenerator[None, Any]:
+    logger.info("🚀 服务启动中...")
+    create_db()
+    await asyncio.gather(init_admin_user(), config_manager.async_load_config())
+    email_sender_queue.start()
+    email_otp_memory_store.start()
+    logger.info("🌸 server 启动完成。")
+
+    try:
+        yield
+    except Exception as e:
+        logger.error(f"捕获到无法处理的异常，NyaHome 即将结束 - {e}")
+    finally:
+        logger.info("🌕 服务关闭中...")
+
+
+app = FastAPI(title="🌸 NyaHome ~", lifespan=lifespan)
 
-app.include_router(admin_router)
 app.include_router(webui_router)
+app.include_router(chatroom_router, prefix="/api")
+app.include_router(admin_router, prefix="/api")
+app.include_router(file_router, prefix="/api")
+app.include_router(aii_router, prefix="/api")
+
+app.mount("/nyahome", StaticFiles(directory=Path.cwd() / "public"), name="public")
+app.mount("/download", StaticFiles(directory=Path.cwd() / ".nyahome/contents"), name="upload")
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)