--- a/src/main/native-chat/agent-session-wire/agent-session-delta-coalescer.ts
+++ b/src/main/native-chat/agent-session-wire/agent-session-delta-coalescer.ts
@@ -233 +233,3 @@
-    current.push(delta)
+    if (delta.length > 0) {
+      current.push(delta)
+    }