自研 DSH ↔ 飞书桥 + 流式回复卡片（非 fork）。Self-developed DeepSeek Harness ↔ Feishu bridge with streaming reply card (not a fork).
功能 / Features
- 官方 SDK 长连接，无需公网 / official-SDK long connection, no public URL
- 流式回复卡片：过程话语内联 + 工具折叠面板 + 限流/退避/熔断/兜底 / streaming reply card: inline notes, collapsible tool panels, rate-limit/backoff/breaker/fallback
- 每聊天独立会话，live 复用保上下文 / dedicated per-chat sessions, live-session reuse keeps context
- /new /switch /list /help 命令 + 处理中表情 / commands + typing reaction
- 配置独立 ~/.dsh-feishucard，旧配置自动迁移 / own config dir, legacy auto-migration
- CI 门禁：语法 + 密钥扫描 + 冒烟测试 / CI: syntax, secret scan, smoke