[Feature]飞书能支持卡片消息（markdown）吗

## 🎯 The Goal / Use Case

## 💡 Proposed Solution

## 🛠 Potential Implementation (Optional)

## 🚦 Impact & Roadmap Alignment
- [ ] This is a Core Feature
- [ ] This is a Nice-to-Have / Enhancement
- [ ] This aligns with the current Roadmap

## 🔄 Alternatives Considered

## 💬 Additional Context
