fix(realtime): preserve server status on converted message items

src/agents/realtime/openai_realtime.py

@@ -1632,14 +1632,18 @@ def conversation_item_to_realtime_message_item(
                 # For backward-compatibility of assistant message items
                 c["type"] = "audio"
             content.append(c)
+        # Mirror the status the server reported for the item. Assistant messages are marked
+        # "completed" once the response is done, so falling back to a hardcoded "in_progress"
+        # would leave finished messages looking unfinished. Default to "in_progress" only when
+        # the server omits a status.
         return TypeAdapter(RealtimeMessageItem).validate_python(
             {
                 "item_id": item.id or "",
                 "previous_item_id": previous_item_id,
                 "type": item.type,
                 "role": item.role,
                 "content": content,
-                "status": "in_progress",
+                "status": item.status or "in_progress",
             },
         )
 

tests/realtime/test_item_parsing.py

@@ -65,6 +65,33 @@ def test_assistant_message_conversion() -> None:
     assert isinstance(converted, AssistantMessageItem)
 
 
+def test_message_conversion_preserves_server_status() -> None:
+    item = RealtimeConversationItemAssistantMessage(
+        id="123",
+        type="message",
+        role="assistant",
+        content=[AssistantMessageContent(type="output_text", text="hi")],
+        status="completed",
+    )
+
+    converted = _ConversionHelper.conversation_item_to_realtime_message_item(item, None)
+
+    assert converted.status == "completed"
+
+
+def test_message_conversion_defaults_status_when_missing() -> None:
+    item = RealtimeConversationItemAssistantMessage(
+        id="123",
+        type="message",
+        role="assistant",
+        content=[AssistantMessageContent(type="output_text", text="hi")],
+    )
+
+    converted = _ConversionHelper.conversation_item_to_realtime_message_item(item, None)
+
+    assert converted.status == "in_progress"
+
+
 def test_system_message_conversion() -> None:
     item = RealtimeConversationItemSystemMessage(
         id="123",