chore: update comments from co-pilot feedback

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: allenporter

tests/protocols/test_a01_protocol.py

@@ -95,8 +95,8 @@ def test_encode_mqtt_payload_complex_data():
         201: json.dumps(
             {
                 "nested": {"deep": {"value": 123}},
-                # Note: The list inside the dictionary is NOT converted because
-                # our fix only targets top-level list values in the dps map
+                # Note: The list inside the dictionary remains as a JSON array (not a stringified list)
+                # because json.dumps() is only applied to the top-level dictionary value as a whole.
                 "list": [1, 2, 3, "test"],
                 "boolean": True,
                 "null": None,