fix: 撤回 is_fix 日志时兜底清理误带入的继承缺陷

- sync_inherited_defect 早返回路径删除继承记录后补算 mlogb 数量
- mlog_revert 末尾针对 is_fix 已残留继承缺陷的产出 mlogb 触发 sync 并刷新 mlog 汇总

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/wpm/models.py

@@ -553,13 +553,18 @@ class Mlogb(BaseModel):
 
     def sync_inherited_defect(self, cal_count=True):
         inherited_qs = MlogbDefect.objects.filter(mlogb=self, is_inherited=True)
+        had_inherited = inherited_qs.exists()
         if MlogbDefect.objects.filter(mlogb=self, is_inherited=False).exists() or self.has_legacy_defect_count():
             inherited_qs.delete()
+            if had_inherited and cal_count:
+                self.cal_count_notok(cal_mlog=False)
             return
 
         defect = self.get_default_inherited_defect()
         if defect is None:
             inherited_qs.delete()
+            if had_inherited and cal_count:
+                self.cal_count_notok(cal_mlog=False)
             return
 
         count = self.count_real

apps/wpm/services.py

@@ -610,6 +610,18 @@ def mlog_revert(mlog: Mlog, user: User, now: Union[datetime.datetime, None]):
     mlog.submit_user = None
     mlog.save()
 
+    # 兜底清理历史 is_fix 错误带入的继承缺陷
+    if is_fix:
+        legacy_mlogbouts = list(Mlogb.objects.filter(
+            mlog=mlog,
+            material_out__isnull=False,
+            mlogbdefect__is_inherited=True,
+        ).distinct())
+        if legacy_mlogbouts:
+            for mlogbout in legacy_mlogbouts:
+                mlogbout.sync_inherited_defect(cal_count=True)
+            mlog.cal_mlog_count_from_mlogb()
+
     # mtask变更状态
     update_mtaskIds = []
     if mlog.mtask: