[Feature] Subagent support

[wangpeiyan]

Summary

Dispatch the coding work to subagent

Type

• New agent
• New skill (slash command)
• New hook
• New rule
• New template
• Improvement to existing component
• Other:

Problem / Motivation

What problem does this solve? What workflow does it improve?

Proposed Solution

How do you think this should work? Include details like:

• For agents: what domain, what tier, what tools
• For skills: what the workflow looks like, what it outputs
• For hooks: what event triggers it, what it validates

Alternatives Considered

Any other approaches you've thought about.

Additional Context

Examples, references, or screenshots that help explain the request.