Make gx review the single entrypoint for PR monitor startup#84

NagyVikt merged 7 commits intomainrecodeee/gitguardex:mainfrom

agent/codex/pia-edix-hu-dup-2-review-command-ux-and-doctor-setup-hintrecodeee/gitguardex:agent/codex/pia-edix-hu-dup-2-review-command-ux-and-doctor-setup-hintCopy head branch name to clipboard