refactor: 代码结构优化与常量化

将日志系统从 app/logger/ 移至 app/log/ 目录
将路由配置从 routers.py 重命名为 routes.py
将硬编码配置值移至 constants.py 中的默认常量
统一代码格式和导入排序
优化函数参数对齐方式

app/router/routes.py

@@ -0,0 +1,114 @@
+"""
+路由配置模块，负责设置和配置应用程序的路由
+"""
+
+from fastapi import FastAPI, Request
+from fastapi.responses import HTMLResponse, RedirectResponse
+from fastapi.templating import Jinja2Templates
+
+from app.core.security import verify_auth_token
+from app.log.logger import get_routes_logger
+from app.router import gemini_routes, openai_routes
+from app.service.key.key_manager import get_key_manager_instance
+
+logger = get_routes_logger()
+
+# 配置Jinja2模板
+templates = Jinja2Templates(directory="app/templates")
+
+
+def setup_routers(app: FastAPI) -> None:
+    """
+    设置应用程序的路由
+
+    Args:
+        app: FastAPI应用程序实例
+    """
+    # 包含API路由
+    app.include_router(openai_routes.router)
+    app.include_router(gemini_routes.router)
+    app.include_router(gemini_routes.router_v1beta)
+
+    # 添加页面路由
+    setup_page_routes(app)
+
+    # 添加健康检查路由
+    setup_health_routes(app)
+
+
+def setup_page_routes(app: FastAPI) -> None:
+    """
+    设置页面相关的路由
+
+    Args:
+        app: FastAPI应用程序实例
+    """
+
+    @app.get("/", response_class=HTMLResponse)
+    async def auth_page(request: Request):
+        """认证页面"""
+        return templates.TemplateResponse("auth.html", {"request": request})
+
+    @app.post("/auth")
+    async def authenticate(request: Request):
+        """处理认证请求"""
+        try:
+            form = await request.form()
+            auth_token = form.get("auth_token")
+            if not auth_token:
+                logger.warning("Authentication attempt with empty token")
+                return RedirectResponse(url="/", status_code=302)
+
+            if verify_auth_token(auth_token):
+                logger.info("Successful authentication")
+                response = RedirectResponse(url="/keys", status_code=302)
+                response.set_cookie(
+                    key="auth_token", value=auth_token, httponly=True, max_age=3600
+                )
+                return response
+            logger.warning("Failed authentication attempt with invalid token")
+            return RedirectResponse(url="/", status_code=302)
+        except Exception as e:
+            logger.error(f"Authentication error: {str(e)}")
+            return RedirectResponse(url="/", status_code=302)
+
+    @app.get("/keys", response_class=HTMLResponse)
+    async def keys_page(request: Request):
+        """密钥管理页面"""
+        try:
+            auth_token = request.cookies.get("auth_token")
+            if not auth_token or not verify_auth_token(auth_token):
+                logger.warning("Unauthorized access attempt to keys page")
+                return RedirectResponse(url="/", status_code=302)
+
+            key_manager = await get_key_manager_instance()
+            keys_status = await key_manager.get_keys_by_status()
+            total = len(keys_status["valid_keys"]) + len(keys_status["invalid_keys"])
+            logger.info(f"Keys status retrieved successfully. Total keys: {total}")
+            return templates.TemplateResponse(
+                "keys_status.html",
+                {
+                    "request": request,
+                    "valid_keys": keys_status["valid_keys"],
+                    "invalid_keys": keys_status["invalid_keys"],
+                    "total": total,
+                },
+            )
+        except Exception as e:
+            logger.error(f"Error retrieving keys status: {str(e)}")
+            raise
+
+
+def setup_health_routes(app: FastAPI) -> None:
+    """
+    设置健康检查相关的路由
+
+    Args:
+        app: FastAPI应用程序实例
+    """
+
+    @app.get("/health")
+    async def health_check(request: Request):
+        """健康检查端点"""
+        logger.info("Health check endpoint called")
+        return {"status": "healthy"}