Fix memory for teams (agno-agi#3085)

## Summary

We incorrectly instantiate memory for teams,

## Type of change

- [x] Bug fix
- [ ] New feature
- [ ] Breaking change
- [ ] Improvement
- [ ] Model update
- [ ] Other:

---

## Checklist

- [ ] Code complies with style guidelines
- [ ] Ran format/validation scripts (`./scripts/format.sh` and
`./scripts/validate.sh`)
- [ ] Self-review completed
- [ ] Documentation updated (comments, docstrings)
- [ ] Examples and guides: Relevant cookbook examples have been included
or updated (if applicable)
- [ ] Tested in clean environment
- [ ] Tests added/updated (if applicable)

---

## Additional Notes

Add any important context (deployment instructions, screenshots,
security considerations, etc.)

---------

Co-authored-by: Yash Pratap Solanky <[email protected]>

Author: 2 people

cookbook/storage/mongodb_storage/mongodb_storage_for_team.py

@@ -57,6 +57,7 @@ class Article(BaseModel):
     markdown=True,
     debug_mode=True,
     show_members_responses=True,
+    add_member_tools_to_system_message=False
 )
 
 hn_team.print_response("Write an article about the top 2 stories on hackernews")

libs/agno/agno/team/team.py

@@ -6178,11 +6178,9 @@ def load_team_session(self, session: TeamSession):
             if isinstance(self.memory, dict) and "create_user_memories" in self.memory:
                 # Convert dict to TeamMemory
                 self.memory = TeamMemory(**self.memory)
-            elif isinstance(self.memory, dict):
-                # Convert dict to Memory
-                self.memory = Memory(**self.memory)
             else:
-                raise TypeError(f"Expected memory to be a dict or TeamMemory, but got {type(self.memory)}")
+                # Default to base memory
+                self.memory = Memory()
 
         if session.memory is not None:
             if isinstance(self.memory, TeamMemory):