3rd Iteration

## Summary - ensure the AddressSet file-based tests reopen temporary files by path so handles are closed before reuse - explicitly close and clean up temporary files opened with NamedTemporaryFile...

## Summary - allow configuring the OpenCL PBKDF2 buffer size so long passwords do not overflow the GPU input buffer - scale PBKDF2 salt-list buffer sizing with the password length...

## Summary - add a SeedAutosaveContext helper that stores resume metadata for seedrecover autosave files - wire the new autosave/restore options into seedrecover so phases and subphases resume seamlessly ##...