- Rebuild --auth-choice enum from BuiltInAuthChoice source (remove ollama, minimax-api,
minimax-api-lightning; add 15+ missing choices including deepseek, copilot, volcengine, etc.)
- Fix agent command: --verbose accepts on|off not on|full|off; add missing --agent, --reply-to,
--reply-channel, --reply-account, -m/-t short flags; fix --thinking description
- Add tasks command to command tree and body (list/show/notify/cancel)
- Mark anthropic-cli as deprecated legacy alias
- Remove stale ollama references from custom-base-url/custom-model-id