diff --git a/config/max-lines-baseline.txt b/config/max-lines-baseline.txt
index 66e3f03d1b62..de24dd9728a3 100644
--- a/config/max-lines-baseline.txt
+++ b/config/max-lines-baseline.txt
@@ -275,7 +275,6 @@ extensions/qa-matrix/src/runners/contract/scenario-runtime-approval.ts
 extensions/qa-matrix/src/runners/contract/scenario-runtime-e2ee-destructive.ts
 extensions/qa-matrix/src/runners/contract/scenario-runtime-room.ts
 extensions/qa-matrix/src/runners/contract/scenarios.test.ts
-extensions/qa-matrix/src/substrate/client.ts
 extensions/qqbot/src/engine/gateway/outbound-dispatch.test.ts
 extensions/qqbot/src/engine/gateway/outbound-dispatch.ts
 extensions/qqbot/src/engine/messaging/outbound-deliver.ts
diff --git a/src/gateway/session-history-state.test.ts b/src/gateway/session-history-state.test.ts
index ed845f0167ad..24785c7c5801 100644
--- a/src/gateway/session-history-state.test.ts
+++ b/src/gateway/session-history-state.test.ts
@@ -616,7 +616,7 @@ describe("SessionHistorySseState", () => {
       },
       messageSeq: 4,
     });
-    expect(compaction?.message["__openclaw"]?.turnBoundary).toBeUndefined();
+    expect(compaction?.message?.["__openclaw"]?.turnBoundary).toBeUndefined();
 
     const appended = appendAssistantText(state, "Disk usage crossed 95 percent.", 5);
     expect(appended?.message).toMatchObject({
diff --git a/src/gateway/session-history-state.ts b/src/gateway/session-history-state.ts
index 58c93608d4f7..c11240b8ab42 100644
--- a/src/gateway/session-history-state.ts
+++ b/src/gateway/session-history-state.ts
@@ -19,6 +19,7 @@ import {
 type SessionHistoryTranscriptMeta = {
   idempotencyKey?: string;
   seq?: number;
+  turnBoundary?: boolean;
 };
 
 type SessionHistoryMessage = Record<string, unknown> & {
@@ -39,7 +40,7 @@ type SessionHistorySnapshot = {
 };
 
 type InlineSessionHistoryAppend = {
-  message?: unknown;
+  message?: SessionHistoryMessage;
   messageSeq?: number;
   shouldRefresh?: boolean;
 };