支持自定义API接口

backend/app/schemas/settings.py

@@ -0,0 +1,37 @@
+"""设置相关的Pydantic模型"""
+from pydantic import BaseModel, Field, ConfigDict
+from typing import Optional
+from datetime import datetime
+
+
+class SettingsBase(BaseModel):
+    """设置基础模型"""
+    model_config = ConfigDict(protected_namespaces=())
+    
+    api_provider: Optional[str] = Field(default="openai", description="API提供商")
+    api_key: Optional[str] = Field(default=None, description="API密钥")
+    api_base_url: Optional[str] = Field(default=None, description="自定义API地址")
+    model_name: Optional[str] = Field(default="gpt-4", description="模型名称")
+    temperature: Optional[float] = Field(default=0.7, ge=0.0, le=2.0, description="温度参数")
+    max_tokens: Optional[int] = Field(default=2000, ge=1, le=32000, description="最大token数")
+    preferences: Optional[str] = Field(default=None, description="其他偏好设置(JSON)")
+
+
+class SettingsCreate(SettingsBase):
+    """创建设置请求模型"""
+    pass
+
+
+class SettingsUpdate(SettingsBase):
+    """更新设置请求模型"""
+    pass
+
+
+class SettingsResponse(SettingsBase):
+    """设置响应模型"""
+    model_config = ConfigDict(from_attributes=True, protected_namespaces=())
+    
+    id: str
+    user_id: str
+    created_at: datetime
+    updated_at: datetime