Merge branch 'main' into brian/user-span-migration

Author: toubatbrian

.changeset/dull-hairs-mix.md

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+---
+"@livekit/agents-plugin-inworld": patch
+---
+
+[Inworld] use async timestamps transport strategy

.changeset/fast-ants-wait.md

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+---
+"@livekit/agents": patch
+---
+
+Only shutdown processor when closing input

.changeset/fluffy-kings-relax.md

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+---
+"@livekit/agents-plugin-sarvam": patch
+---
+
+Add Sarvam AI TTS plugin

.changeset/hip-pandas-crash.md

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+---
+"@livekit/agents-plugin-sarvam": patch
+---
+
+Add Sarvam AI STT plugin

.changeset/odd-moose-check.md

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+---
+"@livekit/agents": patch
+"@livekit/agents-plugin-cartesia": patch
+---
+
+Fix Cartesia TTS first-connect timeouts (happy-eyeballs) and prevent ws teardown crashes

.changeset/red-cars-warn.md

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+---
+"@livekit/agents": patch
+---
+
+Enable inheritance from VADStream