fix(inference): update tts event name and drop unkown type warning

[chenghao-mou]

Description

update tts event name and drop unkown type warning

Changes Made

• update tts event name
• drop unkown type warning
• align stt and tts schema handling

Pre-Review Checklist

• Build passes: All builds (lint, typecheck, tests) pass locally
• AI-generated code reviewed: Removed unnecessary comments and ensured code quality
• Changes explained: All changes are properly documented and justified above
• Scope appropriate: All changes relate to the PR title, or explanations provided for why they're included
• Video demo: A small video demo showing changes works as expected and did not break any existing functionality using Agent Playground (if applicable)

Testing

• Automated tests added/updated (if applicable)
• All tests pass
• Make sure both restaurant_agent.ts and realtime_agent.ts work properly (for major changes)

Tested locally with a local Inference gateway and the basic agent. with or without timestamps are both working.

Additional Notes

---

Note to reviewers: Please ensure the pre-review checklist is completed before starting your review.

[changeset-bot]

🦋 Changeset detected

Latest commit: c626f91

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 28 packages

Name	Type
@livekit/agents	Patch
@livekit/agents-plugin-anam	Patch
@livekit/agents-plugin-assemblyai	Patch
@livekit/agents-plugin-baseten	Patch
@livekit/agents-plugin-bey	Patch
@livekit/agents-plugin-cartesia	Patch
@livekit/agents-plugin-cerebras	Patch
@livekit/agents-plugin-deepgram	Patch
@livekit/agents-plugin-elevenlabs	Patch
@livekit/agents-plugin-google	Patch
@livekit/agents-plugin-hedra	Patch
@livekit/agents-plugin-inworld	Patch
@livekit/agents-plugin-lemonslice	Patch
@livekit/agents-plugin-liveavatar	Patch
@livekit/agents-plugin-livekit	Patch
@livekit/agents-plugin-minimax	Patch
@livekit/agents-plugin-mistral	Patch
@livekit/agents-plugin-neuphonic	Patch
@livekit/agents-plugin-openai	Patch
@livekit/agents-plugin-phonic	Patch
@livekit/agents-plugin-resemble	Patch
@livekit/agents-plugin-rime	Patch
@livekit/agents-plugin-runway	Patch
@livekit/agents-plugin-sarvam	Patch
@livekit/agents-plugin-silero	Patch
@livekit/agents-plugins-test	Patch
@livekit/agents-plugin-trugen	Patch
@livekit/agents-plugin-xai	Patch

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Click here if you're a maintainer who wants to add another changeset to this PR

[devin-ai-integration]

Devin Review found 1 potential issue.

🐛 1 issue in files not directly in the diff

🐛 Test file not updated after output_timestamps→output_alignment rename causes test failure (agents/src/inference/api_protos.test.ts:58-66)

The test rejects malformed output_timestamps entries at agents/src/inference/api_protos.test.ts:58-66 will now fail. Since output_timestamps was renamed to output_alignment in the schema, output_timestamps is no longer in knownTtsServerEventTypes (agents/src/inference/api_protos.ts:92-99). When ttsServerEventSchema.safeParse(...) receives { type: 'output_timestamps', ... }, the known schema rejects it (no literal match), but ttsUnknownServerEventSchema accepts it because output_timestamps passes the refine check and .passthrough() doesn't validate inner fields like words. So result.success is true, but the test asserts false. The other two output_timestamps tests (lines 20-56) coincidentally still pass but now test unknown-event passthrough instead of known-event field extraction — they should also be updated to use output_alignment.

View 4 additional findings in Devin Review.

[toubatbrian]

LG!