Record logs into step artifacts (#1339)

Co-authored-by: Shuchang Zheng <wintonzheng0325@gmail.com>
Co-authored-by: LawyZheng <lawyzheng1106@gmail.com>
Co-authored-by: Nick Fisher <nick.fisher@avinium.com>

skyvern/forge/skyvern_json_encoder.py

@@ -0,0 +1,53 @@
+import json
+from typing import Any
+
+
+class SkyvernJSONLogEncoder(json.JSONEncoder):
+    """Custom JSON encoder for Skyvern logs that handles non-serializable objects"""
+
+    def default(self, obj: Any) -> Any:
+        if hasattr(obj, "model_dump"):
+            return self._encode_value(obj.model_dump())
+
+        if hasattr(obj, "__dataclass_fields__"):
+            return self._encode_value({k: getattr(obj, k) for k in obj.__dataclass_fields__})
+
+        if hasattr(obj, "to_dict"):
+            return self._encode_value(obj.to_dict())
+
+        if hasattr(obj, "asdict"):
+            return self._encode_value(obj.asdict())
+
+        if hasattr(obj, "__dict__"):
+            return {
+                "type": obj.__class__.__name__,
+                "attributes": {
+                    k: self._encode_value(v)
+                    for k, v in obj.__dict__.items()
+                    if not k.startswith("_") and not callable(v)
+                },
+            }
+
+        try:
+            return str(obj)
+        except Exception:
+            return f"<non-serializable-{obj.__class__.__name__}>"
+
+    def _encode_value(self, value: Any) -> Any:
+        """Helper method to encode nested values recursively"""
+        if isinstance(value, (str, int, float, bool, type(None))):
+            return value
+
+        if isinstance(value, (list, tuple)):
+            return [self._encode_value(item) for item in value]
+
+        if isinstance(value, dict):
+            return {self._encode_value(k): self._encode_value(v) for k, v in value.items()}
+
+        # For any other type, try to encode it using our custom logic
+        return self.default(value)
+
+    @classmethod
+    def dumps(cls, obj: Any, **kwargs: Any) -> str:
+        """Helper method to properly encode objects to JSON string"""
+        return json.dumps(obj, cls=cls, **kwargs)