refactor: 后端从Node.js重写为Python FastAPI

server/app/config.py

@@ -0,0 +1,37 @@
+"""
+配置管理
+"""
+from pydantic_settings import BaseSettings
+from functools import lru_cache
+
+
+class Settings(BaseSettings):
+    """应用配置"""
+    # 数据库配置
+    db_host: str = "localhost"
+    db_port: int = 3306
+    db_user: str = "root"
+    db_password: str = ""
+    db_name: str = "stardom_story"
+    
+    # 服务配置
+    server_host: str = "0.0.0.0"
+    server_port: int = 3000
+    debug: bool = True
+    
+    # AI服务配置（预留）
+    openai_api_key: str = ""
+    openai_base_url: str = "https://api.openai.com/v1"
+    
+    @property
+    def database_url(self) -> str:
+        return f"mysql+aiomysql://{self.db_user}:{self.db_password}@{self.db_host}:{self.db_port}/{self.db_name}"
+    
+    class Config:
+        env_file = ".env"
+        env_file_encoding = "utf-8"
+
+
+@lru_cache()
+def get_settings() -> Settings:
+    return Settings()