fix(trace): fix traced serialization

Author: ionmincu

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "uipath"
-version = "2.1.57"
+version = "2.1.58"
 description = "Python SDK and CLI for UiPath Platform, enabling programmatic interaction with automation services, process management, and deployment tools."
 readme = { file = "README.md", content-type = "text/markdown" }
 requires-python = ">=3.10"

src/uipath/tracing/_utils.py

@@ -8,13 +8,36 @@
 from datetime import datetime
 from os import environ as env
 from typing import Any, Dict, Optional
+from zoneinfo import ZoneInfo
 
 from opentelemetry.sdk.trace import ReadableSpan
 from opentelemetry.trace import StatusCode
 
 logger = logging.getLogger(__name__)
 
 
+def _simple_serialize_defaults(obj):
+    if hasattr(obj, "model_dump"):
+        return obj.model_dump(exclude_none=True, mode="json")
+    if hasattr(obj, "dict"):
+        return obj.dict()
+    if hasattr(obj, "to_dict"):
+        return obj.to_dict()
+
+    if isinstance(obj, (set, tuple)):
+        if hasattr(obj, "_asdict") and callable(obj._asdict):
+            return obj._asdict()
+        return list(obj)
+
+    if isinstance(obj, datetime.datetime):
+        return obj.isoformat()
+
+    if isinstance(obj, (datetime.timezone, ZoneInfo)):
+        return obj.tzname(None)
+
+    return str(obj)
+
+
 @dataclass
 class UiPathSpan:
     """Represents a span in the UiPath tracing system."""
@@ -233,7 +256,7 @@ def format_args_for_trace_json(
     ) -> str:
         """Return a JSON string of inputs from the function signature."""
         result = _SpanUtils.format_args_for_trace(signature, *args, **kwargs)
-        return json.dumps(result, default=str)
+        return json.dumps(result, default=_simple_serialize_defaults)
 
     @staticmethod
     def format_args_for_trace(