feat: change segment_size to decimal in Product model

flower/utils/mingdaoyun/models.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import json
+from decimal import Decimal
 from typing import Any, List
 
 from pydantic import BaseModel, Field, computed_field
@@ -13,7 +14,7 @@ class Product(BaseModel):
     rowid: str
     name: str
     pieces: int | None
-    segment_size: int | None
+    segment_size: Decimal | None
     unit: str | None
     color: str | None
     width: str | None = None