update to otel core 2.8

[davidzhao]

updating dependencies and their usage

OpenTelemetry 2.x migration

• Requires OpenTelemetry JS SDK 2.x and experimental packages 0.2xx.
• Configure span processors through the provider's spanProcessors constructor option.
• Custom providers must include telemetry.FanoutSpanProcessor and pass registerSpanProcessor to telemetry.setTracerProvider.
• Provider shutdown now flushes pending spans and releases exporter resources.
• The changeset is a minor release because SDK 1.x compatibility is intentionally removed.

Verification

Verified at 521730e4df1ea6ecfc5015ae9340000f4010e988:

• 27 focused telemetry and voice-telemetry tests passed.
• Full workspace typecheck and build passed.
• Frozen lockfile install and formatting passed.
• Changed-file lint passed with no new errors.
• Built-package runtime smoke verified OTel 2 log metadata and dual trace export.
• Independent spec-compliance and code-quality reviews approved.

Cue is not applicable because this change affects OTLP/log export rather than the voice event path; the direct OTel runtime boundary was verified instead.

[changeset-bot]

🦋 Changeset detected

Latest commit: 8b59433

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

This PR includes changesets to release 39 packages

Name	Type
@livekit/agents	Major
@livekit/agents-plugin-anam	Major
@livekit/agents-plugin-anthropic	Major
@livekit/agents-plugin-assemblyai	Major
@livekit/agents-plugin-azure	Major
@livekit/agents-plugin-baseten	Major
@livekit/agents-plugin-bey	Major
@livekit/agents-plugin-cartesia	Major
@livekit/agents-plugin-cerebras	Major
@livekit/agents-plugin-deepgram	Major
@livekit/agents-plugin-did	Major
@livekit/agents-plugin-elevenlabs	Major
@livekit/agents-plugin-fishaudio	Major
@livekit/agents-plugin-google	Major
@livekit/agents-plugin-hedra	Major
@livekit/agents-plugin-hume	Major
@livekit/agents-plugin-inworld	Major
@livekit/agents-plugin-krisp	Major
@livekit/agents-plugin-lemonslice	Major
@livekit/agents-plugin-liveavatar	Major
@livekit/agents-plugin-livekit	Major
@livekit/agents-plugin-minimax	Major
@livekit/agents-plugin-mistral	Major
@livekit/agents-plugin-mistralai	Major
@livekit/agents-plugin-neuphonic	Major
@livekit/agents-plugin-openai	Major
@livekit/agents-plugin-perplexity	Major
@livekit/agents-plugin-phonic	Major
@livekit/agents-plugin-protoface	Major
@livekit/agents-plugin-resemble	Major
@livekit/agents-plugin-rime	Major
@livekit/agents-plugin-runway	Major
@livekit/agents-plugin-sarvam	Major
@livekit/agents-plugin-silero	Major
@livekit/agents-plugin-soniox	Major
@livekit/agents-plugin-tavus	Major
@livekit/agents-plugins-test	Major
@livekit/agents-plugin-trugen	Major
@livekit/agents-plugin-xai	Major

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[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no bugs or issues to report.

[u9g]

Overrides look correct, just a note about the one override, but it's not breaking anything.

[u9g]

8.20.1 sits inside this override's range and gets bumped to ≥8.21.0, so the ws@8.20.1 entry in minimumReleaseAgeExclude (line 12) is now dead config — safe to delete along with its comment.