- Adds `--agent-mode` (or AUTH0_AGENT_MODE=true) to produce JSON output, disable prompts/color, and enforce non‑zero exit codes, auto‑enabled for recognized agent clients
- Introduces structured error objects with stable codes and field‑level validation, plus schema‑validated payloads via `--schema` and `--data` flags
- Provides full CLI discovery (`auth0 commands --flat`), terminal docs search, and a one‑command skill install for agents