docs: rename Codex adversarial-review to Codex CLI in READMEs, fix plugin count

feat: v2.2.0 — two-level menu + bash 5.x fixes

fix: address Codex review findings in interactive menu

docs: update CHANGELOG for v2.2.0 with bash 5.x bug fixes

fix: fd probe only rejects EOF (ret=1), not stray input (ret=0)

feat: v2.2.0 — two-level interactive menu + bash 5.x fixes

feat: v2.2.0 — two-level interactive menu + bash 5.x fixes

fix: restore default download branch to main

feat: v2.2.0 — two-level interactive menu + bash 5.x fixes

fix: all post-increment (( var++ )) from 0 crash under set -e (bash 5)

fix: _group_count crashes under set -e on bash 5.x (Linux)

fix: default remote download branch to dev

fix: detect broken terminal fd before opening interactive menu

fix: installer interactive menu bugs (bash + PowerShell)

feat: two-level interactive menu, review tool selector, restore adversarial-review