[add] multimodal

api/app/schemas/conversation_schema.py

@@ -4,6 +4,9 @@ import datetime
 from typing import Optional, Dict, Any, List
 from pydantic import BaseModel, Field, ConfigDict, field_serializer
 
+# 导入 FileInput（用于体验运行）
+from app.schemas.app_schema import FileInput
+
 
 # ---------- Input Schemas ----------
 
@@ -28,6 +31,7 @@ class ChatRequest(BaseModel):
     stream: bool = Field(default=False, description="是否流式返回")
     web_search: bool = Field(default=False, description="是否启用网络搜索")
     memory: bool = Field(default=True, description="是否启用记忆功能")
+    files: Optional[List[FileInput]] = Field(default=None, description="附件列表（支持多文件）")
 
 
 # ---------- Output Schemas ----------