Add cspy plugin for Cosmic Python architecture patterns

[sodre]

Summary

• Add new cspy plugin providing skills, agents, and references for Cosmic Python architecture patterns
• Includes 8 skills: audit, service-layer, uow, domain, events, cqrs, test-strategy, refactor
• Includes 1 agent: architecture-auditor
• Includes shared references for patterns-summary and project-structure
• Skills follow progressive disclosure pattern with reference files for detailed content

Changes

New Plugin Structure:

plugins/cspy/
├── .claude-plugin/plugin.json
├── agents/architecture-auditor.md
├── references/
│   ├── patterns-summary.md
│   └── project-structure.md
└── skills/
    ├── audit/
    ├── cqrs/
    ├── domain/
    ├── events/
    ├── refactor/
    ├── service-layer/
    ├── test-strategy/
    └── uow/

Skills with Reference Files:

Skill	Reference File	Content
service-layer	references/use-case-patterns.md	Common patterns
uow	references/async-uow.md	Async UoW + FastAPI DI
domain	references/domain-tests.md	Full test examples
events	references/messagebus.md	Full messagebus implementation
refactor	references/refactoring-steps.md	Steps 2-6 detailed code

Test plan

• Verify plugin loads correctly with claude /plugins
• Test each skill can be invoked
• Verify reference files are accessible from skills

🤖 Generated with Claude Code