[Feature]飞书机器人支持接收卡片消息

[EngineerKevin2468]

Feature Area

Platform (Feishu, DingTalk, Telegram, Slack, etc.)

Problem or Motivation

当前通过cc-connect链接的飞书机器人，不支持接收卡片消息。对于一键转发卡片消息给机器人处理的场景不支持，必须得复制文本才行。

Proposed Solution

支持接收卡片消息

Alternatives Considered

No response

Additional Context

No response

Willingness to Contribute

• I'd be willing to submit a PR for this feature

[github-actions]

👋 Hi @EngineerKevin2468! Thanks for opening your first issue here!

We'll review it as soon as possible. While waiting, please make sure:

• You've provided enough details about the issue
• Any error messages are included in full
• For feature requests, describe your use case

Thanks for your feedback!

[chenhg5]

Thanks for this feature request! This is related to Issue #936 which already has a detailed implementation plan for preserving full interactive card schema on inbound.

Please follow Issue #936 for updates on this feature development.