feat: initial commit and ignore qwen files

backend/app/config.py

@@ -0,0 +1,25 @@
+"""应用配置模块"""
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    """应用配置"""
+
+    # 库存数据库配置（只读）
+    DATABASE_URL_INVENTORY: str = "postgresql://user:password@host:port/inventory_db"
+
+    # PMS 数据库配置（可读写）
+    DATABASE_URL_PMS: str = "postgresql://user:password@host:port/pms_db"
+
+    # 兼容旧的单数据库配置（如果设置则优先使用）
+    DATABASE_URL: str = ""
+
+    # CORS配置
+    CORS_ORIGINS: list[str] = ["*"]
+
+    class Config:
+        env_file = ".env"
+        case_sensitive = True
+
+
+settings = Settings()