fix:修复项目结构

backend/app/schemas.py

@@ -0,0 +1,23 @@
+from datetime import datetime
+from pydantic import BaseModel
+
+
+class HTMLGenerateRequest(BaseModel):
+    html_content: str
+
+
+class HTMLGenerateResponse(BaseModel):
+    message: str
+    unique_id: str
+    url: str
+
+
+class HTMLFileResponse(BaseModel):
+    id: int
+    unique_id: str
+    filename: str
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True