v1.2.0

• Added seed parameter to selective_measuring() function for reproducible
  clustering results
• Enhanced documentation for train_frm() function
• Removed digest and shinybusy dependencies
• Major refactoring of caching system and related functions
• Removed mock files from inst/mockdata/
• Removed objects: getCDsFor1Molecule(), get_cache_dir(), ram_cache (these
  were exported, but declared as internal)
• Added private function parLapply2
• Added comprehensive GitHub Copilot instructions file
• Improved code organization and documentation across multiple R files