收口编辑器图标按钮组件

EditorIconButton 改为委托 PlatformIconButton，保留编辑器本地样式入口。

新增编辑器按钮 primitive 测试，覆盖可访问属性和平台图标按钮 chrome。

更新 TRACKING 记录本次组件复用收口。

TRACKING.md

@@ -95,3 +95,4 @@
 - 2026-06-14 组件复用修正：编辑器“修改图片”弹窗提交按钮改为复用 `PlatformActionButton`，删除局部提交按钮颜色、边框和禁用态样式；验证命令：`npm run test -- src/components/image-editor/ImageCanvasEditorView.test.tsx src/components/common/PlatformActionButton.test.tsx`、`npm run typecheck`、`npm run check:encoding`、`git diff --check`。
 - 2026-06-14 组件复用修正：项目卡片预览改为复用 `PlatformMediaFrame`，删除项目页局部预览框比例、图片填充和背景样式；验证命令：`npm run test -- src/components/project/ProjectGalleryView.test.tsx src/components/common/PlatformMediaFrame.test.tsx`、`npm run typecheck`、`npm run check:encoding`、`git diff --check`。
 - 2026-06-14 素材库与画布持久化修正：新增 `editor_asset_folder` / `editor_asset` 账号级素材库表、SpacetimeDB procedure、spacetime-client facade 和 api-server `/api/editor/assets*` BFF；编辑器接入文件夹新建 / 折叠 / 重命名 / 删除、素材重命名 / 删除、多文件上传、拖拽定向上传、拖入画布生成图层、素材框选批量删除、图层打组、小地图拖拽、普通滚轮纵向滚动与 Ctrl/Cmd 滚轮缩放。验证命令：`npm run spacetime:generate -- --rust-only`、`npm run test -- src/components/image-editor/ImageCanvasEditorView.test.tsx src/services/image-editor/editorProjectClient.test.ts`、`npm run typecheck`、`npm run check:spacetime-schema`、`npm run check:encoding`、`cargo check -p spacetime-client -p api-server --manifest-path server-rs/Cargo.toml`、`git diff --check`。
+- 2026-06-14 组件复用修正：编辑器 `EditorIconButton` 改为委托 `PlatformIconButton` 的薄包装，保留编辑器局部 class 与调用方式，但不再维护重复的原生图标按钮可访问性和基础 chrome；验证命令：`npm run test -- src/components/image-editor/ImageCanvasEditorPrimitives.test.tsx src/components/image-editor/ImageCanvasEditorView.test.tsx src/components/common/PlatformIconButton.test.tsx`、`npm run typecheck`。

src/components/image-editor/ImageCanvasEditorPrimitives.test.tsx

@@ -0,0 +1,28 @@
+/* @vitest-environment jsdom */
+
+import { render, screen } from '@testing-library/react';
+import { Check } from 'lucide-react';
+import { expect, test } from 'vitest';
+
+import { EditorIconButton } from './ImageCanvasEditorPrimitives';
+
+test('editor icon button delegates accessible icon chrome to the platform primitive', () => {
+  render(
+    <EditorIconButton
+      label="素材选择模式"
+      title="选择"
+      icon={Check}
+      className="image-canvas-editor__icon-button"
+      pressed
+      expanded
+    />,
+  );
+
+  const button = screen.getByRole('button', { name: '素材选择模式' });
+
+  expect(button.className).toContain('platform-icon-button');
+  expect(button.className).toContain('image-canvas-editor__icon-button');
+  expect(button.getAttribute('title')).toBe('选择');
+  expect(button.getAttribute('aria-pressed')).toBe('true');
+  expect(button.getAttribute('aria-expanded')).toBe('true');
+});

src/components/image-editor/ImageCanvasEditorPrimitives.tsx

@@ -5,6 +5,8 @@ import type {
   ReactNode,
 } from 'react';
 
+import { PlatformIconButton } from '../common/PlatformIconButton';
+
 type IconComponent = ComponentType<{ className?: string }>;
 
 export type EditorIconButtonProps = {
@@ -31,18 +33,17 @@ export function EditorIconButton({
   onClick,
 }: EditorIconButtonProps) {
   return (
-    <button
+    <PlatformIconButton
       type={type}
       className={className}
-      aria-label={label}
+      label={label}
       title={title}
       disabled={disabled}
       aria-pressed={pressed}
       aria-expanded={expanded}
       onClick={onClick}
-    >
+      icon={<Icon className="h-4 w-4" />}
-      <Icon className="h-4 w-4" />
+    />
-    </button>
   );
 }