security: enhance API key redaction with comprehensive testing and error handling

- Refactored redaction logic to use centralized helper function
- Added robust error handling in AccessLogFormatter
- Improved regex patterns for better OpenAI key detection
- Added comprehensive unit tests covering edge cases and error scenarios
- Enhanced input validation with descriptive error placeholders

app/core/application.py

@@ -9,7 +9,7 @@ from app.config.config import settings, sync_initial_settings
 from app.database.connection import connect_to_db, disconnect_from_db
 from app.database.initialization import initialize_database
 from app.exception.exceptions import setup_exception_handlers
-from app.log.logger import get_application_logger
+from app.log.logger import get_application_logger, setup_access_logging
 from app.middleware.middleware import setup_middlewares
 from app.router.routes import setup_routers
 from app.scheduler.scheduled_tasks import start_scheduler, stop_scheduler
@@ -150,4 +150,7 @@ def create_app() -> FastAPI:
     # 配置路由
     setup_routers(app)
 
+    # 配置访问日志API密钥隐藏
+    setup_access_logging()
+
     return app