fix(web): add callback trace work item titles

apps/web/messages/en.json

@@ -2188,6 +2188,9 @@
         "callbackOwnerReview": {
           "title": "Callback missing KM owner-review work item"
         },
+        "callbackTraceRecoveryBacklog": {
+          "title": "Callback trace recovery backlog"
+        },
         "ciSecretHygiene": {
           "title": "CI/CD secret log exposure hardening"
         },

apps/web/messages/zh-TW.json

@@ -2189,6 +2189,9 @@
         "callbackOwnerReview": {
           "title": "Callback 未匹配 KM Owner Review 工作項"
         },
+        "callbackTraceRecoveryBacklog": {
+          "title": "Callback trace 復原 backlog"
+        },
         "ciSecretHygiene": {
           "title": "CI/CD secret log 泄漏面收斂"
         },