初始项目

app/config.py

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+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    # 数据库配置
+    database_url: str = "postgresql+asyncpg://user:password@localhost:5432/ai_talk_callback_db"
+    
+    # Redis配置
+    redis_url: str = "redis://localhost:6379/0"
+    redis_lock_timeout: int = 30  # 锁超时时间（秒）
+    redis_lock_retry_delay: float = 0.1  # 锁重试延迟（秒）
+    redis_lock_max_retries: int = 100  # 最大重试次数
+    
+    # 业务配置
+    count_threshold: int = 3  # count阈值，大于等于此值直接返回
+    external_api_retry_max: int = 4  # 外部API最大重试次数
+    external_api_url: str = "https://external.com/api/openapi/customerApi/aiTaskResultFail"
+    
+    # 应用配置
+    app_name: str = "AI Talk Callback API"
+    debug: bool = False
+    
+    class Config:
+        env_file = ".env"
+        case_sensitive = False
+
+
+settings = Settings()