Creates a skill that teaches how to design and create capabilities
(skill + command + agent combinations) for the architecture repository.
Includes:
- Component templates for skills, commands, and agents
- Decision tree and matrix for when to use each component
- Model selection guidance (haiku/sonnet/opus)
- Naming conventions and anti-patterns to avoid
- References to detailed documentation in docs/
- Checklists for creating each component type
Closes#74
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>