From 84b885682f5445022a5390d57dc76dd53eb2c161 Mon Sep 17 00:00:00 2001
From: Mark Backman <mark@daily.co>
Date: Tue, 14 Apr 2026 11:49:31 -0400
Subject: [PATCH] Add changelog for #4295

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 changelog/4295.fixed.md | 1 +
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+- Fixed `LLMContextSummarizer` failing with "No messages to summarize" when using `system_instruction` instead of a system-role message at the start of the context. The summarizer previously scanned the entire context for the first system message, which could match a mid-conversation injection (e.g. idle notifications) instead of the initial prompt, causing the summarization range to be empty.