fix: remove parent_id default '0' from product_category model - Root nodes should have parent_id=NULL, not '0' - Tree query already checks 'parent_id IS NULL' - Revert direct edits to generated dspy files

models/product_category.json

@@ -21,8 +21,7 @@
             "name": "parent_id",
             "title": "父类别ID",
             "type": "str",
-            "length": 32,
+            "length": 32
-            "default": "0"
         },
         {
             "name": "name",

wwwroot/product_category_tree/get_product_category.dspy

@@ -2,12 +2,12 @@
 ns = params_kw.copy()
 sql = '''select * from product_category where 1 = 1'''
 id = ns.get('id')
-if id and id != '0' and id != 'null' and id != 'undefined':
+if id:
 	sql += " and parent_id = ${id}$"
 else:
-	sql += " and (parent_id is null or parent_id = '' or parent_id = '0')"
+	sql += " and parent_id is null"
 
-sql += " order by sort_order, name "
+sql += " order by name "
 db = DBPools()
 dbname = get_module_dbname('product_management')
 async with db.sqlorContext(dbname) as sor:

wwwroot/product_category_tree/new_product_category.dspy

@@ -1,19 +1,15 @@
 
 ns = params_kw.copy()
 for k,v in ns.items():
-	if v == 'NaN' or v == 'null' or v == 'undefined' or v == '':
+	if v == 'NaN' or v == 'null':
 		ns[k] = None
-
+id = params_kw.id
-# Normalize parent_id: empty/0/None all mean root node (NULL)
+if not id or len(id) > 32:
-pid = ns.get('parent_id')
-if not pid or pid == '0':
-	ns['parent_id'] = None
-
-id = params_kw.get('id')
-if not id or len(str(id)) > 32:
 	id = uuid()
 ns['id'] = id
 
+
+
 userorgid = await get_userorgid()
 if not userorgid:
 	return {