rtc 2

DSH skill bundle: the Agora skill (RTC, RTM, ConvoAI, CLI, Cloud Recording, tokens) synced verbatim from AgoraIO/skills at a pinned release tag. Install to add the `agora` skill to DeepSeek Harness.

DSH plugin bundle: the ZEGO integration skills (product integration, server tokens, server API signatures, resource downloader, doc search) plus the doc-ai MCP bridge. Skills are vendored verbatim from ZEGOCLOUD/zego-claude-code-plugins (plugins/zego-assi