From 879155935106b74ca1eeb2c933eea7388c36bd48 Mon Sep 17 00:00:00 2001
From: Derek Haynes <derek@dlite.cc>
Date: Mon, 5 Jan 2026 12:20:23 -0700
Subject: [PATCH] Add changelog entry for PR #3355

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+- Added `UserBotLatencyObserver` for tracking user-to-bot response latency. When tracing is enabled, latency measurements are automatically recorded as `turn.user_bot_latency_seconds` attributes on OpenTelemetry turn spans.