WIP need to fix encoder

src/crewai/utilities/crew_json_encoder.py

@@ -0,0 +1,22 @@
+import json
+from datetime import datetime
+from uuid import UUID
+
+from openai import BaseModel
+
+
+class CrewJSONEncoder(json.JSONEncoder):
+    """
+    Custom JSON Encoder for Crew related objects.
+    """
+
+    def default(self, obj):
+        if isinstance(obj, datetime):
+            return obj.isoformat()
+        if isinstance(obj, UUID):
+            return str(obj)
+        if isinstance(obj, BaseModel):
+            return obj.model_dump()
+        if isinstance(obj, set):
+            return list(obj)
+        return super().default(obj)