Particles And Tracking - Workplan 2025

1. Update of particle properties to latest PDG data
2. Implementing and testing Clone methods of trajectory and trajectory point classes (working with Run, Event and Detector WG)
3. Implementing and testing caching mechanism of trajectory and trajectory point classes (working with Vis WG)
4. Performance tests and improvements
5. Polishing up code readability and documentation
6. Discussions toward re-design and implementation of G4ForceConditions