refactor(config): 将服务配置改为从 settings 获取

将 SecurityService, ModelService, EmbeddingService 的配置依赖从构造函数注入改为直接从 app.config.config.settings 获取。

这简化了服务类的实例化过程，并实现了配置的集中管理。

app/router/gemini_routes.py

@@ -17,8 +17,8 @@ router_v1beta = APIRouter(prefix=f"/{API_VERSION}")
 logger = get_gemini_logger()
 
 # 初始化服务
-security_service = SecurityService(settings.ALLOWED_TOKENS, settings.AUTH_TOKEN)
-model_service = ModelService(settings.SEARCH_MODELS, settings.IMAGE_MODELS)
+security_service = SecurityService()
+model_service = ModelService()
 
 
 async def get_key_manager():

app/router/openai_routes.py

@@ -20,9 +20,9 @@ router = APIRouter()
 logger = get_openai_logger()
 
 # 初始化服务
-security_service = SecurityService(settings.ALLOWED_TOKENS, settings.AUTH_TOKEN)
-model_service = ModelService(settings.SEARCH_MODELS, settings.IMAGE_MODELS)
-embedding_service = EmbeddingService(settings.BASE_URL)
+security_service = SecurityService()
+model_service = ModelService()
+embedding_service = EmbeddingService()
 image_create_service = ImageCreateService()