fix: 协议子资源单事务保存，并补齐样本编码/OA/质检等近期能力

锁定缴费校验失败时整单回滚，避免样本半成功落库；前端禁止删除锁定缴费样本，改码走更正编码。同步落地样本更正、采集微信通知、OA提及未读、细胞产品套餐与相关迁移文档。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/tests/test_oa_instance_comment.py

@@ -366,19 +366,29 @@ class TestCommentMentionGrant(unittest.TestCase):
         self.db.commit()
 
     def test_mention_grants_view_and_is_idempotent(self):
+        from unittest.mock import patch
+
         from app.models.models import OaInstanceViewGrant
         from app.services import oa_instance_comment as svc
 
-        row = svc.create_comment(
-            self.db,
-            instance_id="i1",
-            tenant_no="zkxw",
-            user_id="u1",
-            dept_id="d1",
-            content="",
-            attachment_refs=None,
-            mention_user_ids=["u2", "u2", "u1"],
-        )
+        with patch(
+            "app.services.oa_wechat_notify.schedule_oa_mention_notifies"
+        ) as schedule:
+            row = svc.create_comment(
+                self.db,
+                instance_id="i1",
+                tenant_no="zkxw",
+                user_id="u1",
+                dept_id="d1",
+                content="",
+                attachment_refs=None,
+                mention_user_ids=["u2", "u2", "u1"],
+            )
+            schedule.assert_called_once_with(
+                instance_id="i1",
+                commenter_user_id="u1",
+                mentioned_user_ids=["u2"],
+            )
         self.assertEqual(row["content"], "")
         self.assertEqual([m["userId"] for m in row["mentions"]], ["u2"])
         self.assertEqual(row["mentions"][0]["userName"], "李四")