From 1a0d52911faeaf7a737056551422d3a959d2ffa3 Mon Sep 17 00:00:00 2001
From: htlee <htlee@gcsc.co.kr>
Date: Tue, 10 Mar 2026 08:46:03 +0900
Subject: [PATCH] =?UTF-8?q?docs:=20=EB=A6=B4=EB=A6=AC=EC=A6=88=20=EB=85=B8?=
 =?UTF-8?q?=ED=8A=B8=20=EC=97=85=EB=8D=B0=EC=9D=B4=ED=8A=B8?=
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---
 docs/RELEASE-NOTES.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/RELEASE-NOTES.md b/docs/RELEASE-NOTES.md
index e0cb6a3..2355d0a 100644
--- a/docs/RELEASE-NOTES.md
+++ b/docs/RELEASE-NOTES.md
@@ -4,6 +4,9 @@
 
 ## [Unreleased]
 
+### 추가
+- API/WS 쿼리 메트릭 이력 조회 기능 — BufferService(batch flush) + /history, /summary API + 프론트엔드 요약카드·필터·페이지네이션
+
 ## [2026-03-09.2]
 
 ### 수정