first commit

config.py

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+from pydantic_settings import BaseSettings
+from typing import Optional
+
+class Settings(BaseSettings):
+    # 数据库配置
+    database_url: str = "postgresql://luna:123luna@121.43.104.161:6432/luna_ink"
+    
+    # MQTT配置
+    mqtt_broker_host: str = "localhost"
+    mqtt_broker_port: int = 1883
+    mqtt_username: Optional[str] = None
+    mqtt_password: Optional[str] = None
+    
+    # 应用配置
+    app_name: str = "墨水屏桌面屏幕系统"
+    debug: bool = False
+    
+    # 文件存储配置
+    static_dir: str = "static"
+    upload_dir: str = "static/uploads"
+    processed_dir: str = "static/processed"
+    
+    # 墨水屏配置
+    ink_width: int = 400
+    ink_height: int = 300
+    
+    # 安全配置
+    secret_key: str = "your-secret-key-change-in-production"
+    algorithm: str = "HS256"
+    access_token_expire_minutes: int = 30
+    
+    class Config:
+        env_file = ".env"
+
+settings = Settings()