优化推送任务

app/config.py

@@ -2,6 +2,10 @@ from pydantic_settings import BaseSettings
 
 
 class Settings(BaseSettings):
+    @property
+    def redis_url(self) -> str:
+        """从Celery配置获取Redis URL"""
+        return self.celery_broker_url
     # 数据库配置
     database_url: str = ""
 
@@ -14,11 +18,21 @@ class Settings(BaseSettings):
     celery_timezone: str = "UTC"
     celery_enable_utc: bool = True
 
+    # Redis配置 (从Celery配置获取)
+    redis_password: str = ""
+    redis_max_connections: int = 20
+    redis_timeout: int = 5
+
     # 业务配置
     count_threshold: int = 3  # count阈值，大于等于此值直接返回
     external_api_enabled: bool = False  # 是否启用外部API调用
     external_api_retry_max: int = 3  # 外部API最大重试次数
     external_api_url: str = ""
+    
+    # Redis锁配置 (使用默认值)
+    redis_lock_timeout: int = 300  # 锁超时时间（秒）
+    redis_lock_max_retries: int = 10  # 最大重试次数
+    redis_lock_retry_delay: float = 0.5  # 重试延迟（秒）
 
     # 日志配置
     log_level: str = "INFO"  # DEBUG, INFO, WARNING, ERROR, CRITICAL