Update Zod schema with:
- CategoryConfigSchema for task delegation categories
- CategoriesConfigSchema for user category overrides
- New agents: Metis (Plan Consultant)
- New hooks: prometheus-md-only, start-work, sisyphus-orchestrator
- New commands: start-work
- Agent category and skills fields
Includes schema test coverage.
🤖 GENERATED WITH ASSISTANCE OF [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode)
