fix(pricing): storage_charging 用错定价函数——pricing_program_charging(三参) 改 buffered_charging(两参)

buffered_charging 返回价格对象列表，需 sum(getattr(p,'amount',0)) 汇总。
原用 pricing_program_charging=charging(sor,ppid,data) 三参，传两参导致
'missing 1 required positional argument: data'，存储计费金额恒为 0。

storage_resource/init.py

@@ -262,16 +262,16 @@ async def storage_charging(spec_id_or_code, meter_mode, userid, userorgid,
 
     amount = 0.0
     if ppid:
-        charging = getattr(env, 'pricing_program_charging', None)
+        charging = getattr(env, 'buffered_charging', None)
         if charging is None:
             logger.warning('pricing 模块未加载，存储计费金额记 0（ppid=%s）', ppid)
         else:
             try:
-                r = await charging(ppid, usages)
-                if isinstance(r, dict):
-                    amount = float(r.get('amount', 0) or 0)
-                elif isinstance(r, (int, float)):
-                    amount = float(r)
+                prices = await charging(ppid, usages)
+                if prices is None:
+                    logger.error('存储定价计算返回空 ppid=%s', ppid)
+                else:
+                    amount = float(sum(getattr(p, 'amount', 0) or 0 for p in prices))
             except Exception as e:
                 logger.error('存储计费失败 ppid=%s: %s', ppid, e)
     else: