--help via argparse, binary self-upgrade, SHA-256 checksum validationinstall.sh --beta and install.ps1 -Betamax_tokens 200 → 120_create_llama() prevents WriterThread death during model load_bridge_queue replaces call_from_threadchime library replaces platform-specific beep patternsgame.log via Python logging moduleexcept:pass replaced with logger.debugupdate command + --upgrade flagmodel command to switch modelsscores command, top 10