Install and add Codex accounts
Skip if CCS and Codex accounts are already set. Otherwise add accounts in ccs config, then check quota.
# Skip this step if CCS is installed and Codex accounts are already in the pool.
npm install -g @kaitranntt/ccs
# Open CCS dashboard, then add accounts in CLIProxy -> Codex -> Accounts.
ccs config
# Confirm CLIProxyAPI can see Codex account state.
ccs cliproxy quota --provider codex