From 6244f8eeb97718822494c3ed0c8e1c86b61e1008 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E5=BE=B7=E5=AE=87?= <kvtodev@outlook.com>
Date: Fri, 7 Aug 2026 13:32:48 +0800
Subject: [PATCH] =?UTF-8?q?=E6=A0=87=E6=B3=A8=E7=B4=A0=E6=9D=90=E9=80=89?=
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明确记录框选热路径的性能问题与优化边界
注明序列部分成功是 master 既有行为并等待契约讨论
---
 src/components/image-editor/useImageCanvasAssetExportWorkflow.ts | 1 +
 src/components/image-editor/useImageCanvasAssetSelection.ts      | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/components/image-editor/useImageCanvasAssetExportWorkflow.ts b/src/components/image-editor/useImageCanvasAssetExportWorkflow.ts
index b123e19fb..5433ed802 100644
--- a/src/components/image-editor/useImageCanvasAssetExportWorkflow.ts
+++ b/src/components/image-editor/useImageCanvasAssetExportWorkflow.ts
@@ -553,6 +553,7 @@ export function useImageCanvasAssetExportWorkflow({
                     }),
                   ),
                 );
+                // TODO(master 既有行为待讨论): 当前至少一帧成功即导出；需先明确部分失败的顶层状态和原时间点保留契约，再决定整体失败或部分导出。
                 const successfulFrames = preparedFrames
                   .filter((result) => result.status === 'success')
                   .map((result) => result.frame);
diff --git a/src/components/image-editor/useImageCanvasAssetSelection.ts b/src/components/image-editor/useImageCanvasAssetSelection.ts
index 240ab0937..9e35d8ffe 100644
--- a/src/components/image-editor/useImageCanvasAssetSelection.ts
+++ b/src/components/image-editor/useImageCanvasAssetSelection.ts
@@ -354,6 +354,7 @@ export function useImageCanvasAssetSelection({
       top: number;
       bottom: number;
     }) => {
+      // TODO(性能问题): pointermove 会读取全部素材布局并更新 React state；后续需在保留滚动框选、末帧提交和取消回滚语义的前提下，用内容坐标缓存与 rAF 合帧优化。
       const marqueeSelection = selectUploadedAssetsInRect({
         assets,
         assetTargets: readAssetHitTargets(assetListRef.current),