Step 4：评论 / 附件 / 审计日志

backend/app/schemas/comment.py

@@ -0,0 +1,17 @@
+import uuid
+from datetime import datetime
+
+from pydantic import BaseModel, ConfigDict, Field
+
+
+class CommentCreate(BaseModel):
+    content: str = Field(min_length=1)
+
+
+class CommentRead(BaseModel):
+    id: uuid.UUID
+    content: str
+    created_by: uuid.UUID
+    created_at: datetime
+
+    model_config = ConfigDict(from_attributes=True)