feat: 准备loop

app/schemas/clarification.py

@@ -0,0 +1,11 @@
+"""等待用户补充的问题"""
+
+from pydantic import Field
+
+from app.schemas.base import ExtensibleModel, NonBlankString
+
+
+class Clarification(ExtensibleModel):
+    question: NonBlankString = Field(
+        description="一个简短、具体、便于用户回答的澄清问题"
+    )