diff --git a/src/plugins/session-entry-slot-keys.ts b/src/plugins/session-entry-slot-keys.ts
index 8415d82249c..2873878c3c9 100644
--- a/src/plugins/session-entry-slot-keys.ts
+++ b/src/plugins/session-entry-slot-keys.ts
@@ -66,6 +66,13 @@ const SESSION_ENTRY_RESERVED_SLOT_KEY_LIST = [
   "inputTokens",
   "outputTokens",
   "totalTokens",
+  "pendingFinalDelivery",
+  "pendingFinalDeliveryCreatedAt",
+  "pendingFinalDeliveryLastAttemptAt",
+  "pendingFinalDeliveryAttemptCount",
+  "pendingFinalDeliveryLastError",
+  "pendingFinalDeliveryText",
+  "pendingFinalDeliveryContext",
   "totalTokensFresh",
   "estimatedCostUsd",
   "cacheRead",