feat: 实装AI改写结局功能 - 接入DeepSeek API - AI动态生成新结局名称 - 新增rewrite类型结局样式 - 修复请求超时问题

server/app/config.py

@@ -19,10 +19,23 @@ class Settings(BaseSettings):
     server_port: int = 3000
     debug: bool = True
     
-    # AI服务配置（预留）
+    # AI 服务配置
+    ai_service_enabled: bool = True
+    ai_provider: str = "deepseek"
+    
+    # DeepSeek 配置
+    deepseek_api_key: str = ""
+    deepseek_base_url: str = "https://api.deepseek.com/v1"
+    deepseek_model: str = "deepseek-chat"
+    
+    # OpenAI 配置（备用）
     openai_api_key: str = ""
     openai_base_url: str = "https://api.openai.com/v1"
     
+    # 微信小游戏配置（预留）
+    wx_appid: str = ""
+    wx_secret: str = ""
+    
     @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}"