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31 changes: 31 additions & 0 deletions automations/livekit-agent/2026-07-20.markdown
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# LiveKit Agents 工程日报

**Date range covered:** 2026-07-19 00:01 UTC → 2026-07-20 00:01 UTC

**仓库：** [livekit/agents](https://github.com/livekit/agents)（upstream/main）

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## 关键变更

- **main 无新合并（0 commits）** — 过去 24 小时内 `upstream/main` 无任何 commit 落地；最新合并仍为 7/18 的 [#6478](https://github.com/livekit/agents/pull/6478)（away timer 修复）与 [#6476](https://github.com/livekit/agents/pull/6476)（`livekit-agents@1.6.6` 发布）。

- **LLM 连接预热 PR 活跃** — [#6484](https://github.com/livekit/agents/pull/6484)（`prewarm LLM to skip connection establishment`）于 7/19 更新；目标是在首条 LLM 请求前预热 DNS + TLS 握手，降低冷启动延迟（+86/−37 行，8 文件，仍 OPEN）。

- **Realtime 重连可观测性跟进** — [#6436](https://github.com/livekit/agents/pull/6436) 于 7/19 更新；计划在 WebSocket 瞬断后通过 `SpeechHandle.exception()` 暴露 pending reply 被丢弃的情况，回应 [#6352](https://github.com/livekit/agents/pull/6352) review 中的约定（仍 OPEN）。

- **新插件与示例持续推进** — [#6176](https://github.com/livekit/agents/pull/6176)（FunASR/SenseVoice 本地 STT 插件）与 [#6422](https://github.com/livekit/agents/pull/6422)（`examples/homepage/` 官网语音 agent 示例）均在 7/19 有活动，尚未合并。

- **依赖与 CI 维护 PR 刷新** — Renovate 自动 PR [#5489](https://github.com/livekit/agents/pull/5489)（第三方依赖）与 [#5488](https://github.com/livekit/agents/pull/5488)（GitHub Actions）于 7/19 更新，暂无安全告警标签，但合并前需关注兼容性。

- **Fork 持续落后 upstream 285 commits** — 本 fork `origin/main` 仍停留在 `livekit-agents@1.5.13` 时代；若依赖上游 1.6.x 能力（`stt_context_options`、`update_models()`、AssemblyAI carryover 行为变更等），需主动同步。

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## Watchlist

1. **中断/Realtime 修复栈仍未合入** — [#6451](https://github.com/livekit/agents/pull/6451)、[#6450](https://github.com/livekit/agents/pull/6450)、[#6454](https://github.com/livekit/agents/pull/6454) 及 [#6480](https://github.com/livekit/agents/pull/6480) 仍 OPEN；voice 打断与 realtime 重复语音风险在生产环境需持续关注。

2. **`stt_context_options` 迁移窗口** — [#6475](https://github.com/livekit/agents/pull/6475) 已随 1.6.6 发布，旧 `keyterms`/`keyterms_options` 路径将废弃；升级后应验证 STT 上下文注入行为。

3. **RNNoise 自托管降噪插件待审** — [#6477](https://github.com/livekit/agents/pull/6477) 自 7/18 起 OPEN，涉及新增 `livekit-plugins-rnnoise`；合并后将引入新的本地音频处理依赖，需评估部署体积与平台兼容性。