Optionalconfig: StateSyncConfigGet all registered entities
Get synced entity info
Register a local entity (its state will be sent to the server)
Register a remote entity (its state will be interpolated from server data)
Start sending local entity state at the configured sync rate
Stop sending state
Unregister an entity
Update interpolation — call this every frame. Moves remote entities toward their target positions.
Client-side entity state synchronization with interpolation. Sends local entity positions at a fixed rate, receives and interpolates remote entities.