Gmail CLI Command-line interface for Gmail operations. Installation Setup Google Cloud Console (one-time) 1. Create a new project (or select existing) 2. Enable the Gmail API 3. Set app name in OAuth branding 4. Add test users (all Gmail addresses you want to use) 5. Create OAuth client: - Click "Create Client" - Application type: "Desktop app" - Download the JSON file Configure gmcli First check if already configured: If no accounts, guide the user through setup: 1. Ask if they have a Google Cloud project with Gmail API enabled 2. If not, walk them through the Google Cloud Console steps abov…