Shared authentication, CLI syntax, and output formatting patterns for gws Google Workspace commands.

• Supports browser-based OAuth login and service account authentication via GOOGLE_APPLICATION_CREDENTIALS
• Global flags enable output format selection (JSON, table, YAML, CSV), dry-run validation, and PII screening via Model Armor
• Method flags cover parameterized queries, request bodies, file uploads, multipart operations, and automatic pagination with configurable delays
• Built-in security guardrails prevent secret leakage and require user confirmation before write/delete operations
• Shell-specific guidance for zsh history expansion and JSON quoting to avoid common command-line parsing errors