debug: product_category_create.dspy 加追踪日志定位 WHERE None 错误

添加4处 debug:
- START: 记录完整 params_kw
- fields组装后: 记录 keys + id
- sor.C 前后: 定位崩溃在 INSERT 还是后续 SELECT
- EXCEPTION: 记录完整堆栈

wwwroot/api/product_category_create.dspy

@@ -1,6 +1,7 @@
 result = {'widgettype': 'Message', 'options': {'title': 'Error', 'message': 'Invalid', 'type': 'error'}}
 
 try:
+    debug(f'product_category_create.dspy: START params_kw={dict(params_kw)}')
     user_id = await get_user()
     org_id = (await get_userorgid()) or '0'
 
@@ -43,14 +44,19 @@ try:
         else:
             fields[k] = ''
 
+    debug(f'product_category_create.dspy: fields keys={list(fields.keys())}, id={data.get("id")}')
+
     async with DBPools().sqlorContext(dbname) as sor:
+        debug(f'product_category_create.dspy: BEFORE sor.C, fields={ {k:v for k,v in fields.items() if v} }')
         await sor.C('product_category', fields)
+        debug(f'product_category_create.dspy: AFTER sor.C OK, querying id={data["id"]}')
         _new_rows = await sor.sqlExe("SELECT * FROM product_category WHERE id = ${id}$", {'id': data['id']})
         _user_data = _new_rows[0] if _new_rows else data
 
     result = {'widgettype': 'Message', 'options': {'title': 'Success', 'message': '类别创建成功', 'type': 'success', 'user_data': _user_data}}
 
 except Exception as e:
+    debug(f'product_category_create.dspy: EXCEPTION {format_exc()}')
     result['options'] = {'title': 'Error', 'message': '创建失败: ' + str(e), 'type': 'error'}
 
 return result