ChatGPT MultiChat v2.0.0

Initial public release. Includes up to 8 managed chat slots, persistent per-chat sessions, isolated Git worktrees, development-port reservation, resource locks for ADB/fastboot/scrcpy/Android tools, tray dashboard, safe cleanup, session history, portable installer and full usage documentation in the README. Install: download the portable ZIP, extract it, run Setup.cmd, open ChatGPT MultiChat Agent, and use PROMPT-PARA-CHATGPT.txt with ChatGPT.