fix(subagent): version unknown catalog payloads locally

python/sdk/tests/test_client.py

@@ -597,7 +597,7 @@ def test_session_subscription_keeps_descendant_relationships_across_subscription
     with client.subscribe_session_notifications("main") as first:
         unknown_child = {
             "type": "subagent/catalog", "seq": 0, "time": 1,
-            "data": {"version": 0, "childId": "unreadable-child", "childCreatedAt": 1, "mode": "unknown"},
+            "data": {"version": 1, "childId": "unreadable-child", "childCreatedAt": 1, "mode": "unknown"},
         }
         client._handle_message({
             "jsonrpc": "2.0", "method": "session.event",