复用平台按钮收口生成提交

编辑器生成输入框提交按钮改为 PlatformActionButton。

保留生成器局部尺寸和浅灰覆盖，删除重复原生 submit 基础样式。

补充测试覆盖生成按钮平台按钮 class，并更新 TRACKING。

TRACKING.md

@@ -96,3 +96,4 @@
 - 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`。
+- 2026-06-14 组件复用修正：编辑器生成输入框的提交按钮改为复用 `PlatformActionButton`，仅保留生成器局部尺寸和 Lovart 式浅灰覆盖，不再直接维护原生 submit 按钮基础 chrome；验证命令：`npm run test -- src/components/image-editor/ImageCanvasEditorView.test.tsx src/components/common/PlatformActionButton.test.tsx`、`npm run typecheck`。

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

@@ -733,6 +733,12 @@ describe('ImageCanvasEditorView', () => {
     expect(within(generateDialog).getByText('参考图')).toBeTruthy();
     expect(within(generateDialog).getByRole('button', { name: '生成比例 1:1 2k 1张' })).toBeTruthy();
     expect(within(generateDialog).getByRole('button', { name: '生成模型 GPT Image' })).toBeTruthy();
+    expect(within(generateDialog).getByRole('button', { name: '生成' }).className).toContain(
+      'platform-button',
+    );
+    expect(within(generateDialog).getByRole('button', { name: '生成' }).className).toContain(
+      'image-canvas-editor__generation-submit',
+    );
     expect(screen.queryByRole('toolbar', { name: 'AI画布工具栏' })).toBeNull();
 
     fireEvent.change(screen.getByLabelText('生成提示词'), {

src/components/image-editor/ImageCanvasEditorView.tsx

@@ -2839,14 +2839,17 @@ export function ImageCanvasEditorView() {
                   GPT Im...
                   <ChevronDown className="h-3 w-3" />
                 </button>
-                <button
+                <PlatformActionButton
                   type="submit"
+                  tone="secondary"
+                  size="xs"
+                  shape="pill"
                   className="image-canvas-editor__generation-submit"
                   disabled={generateDialog.status === 'generating'}
                   aria-label="生成"
                 >
                   {generateDialog.status === 'generating' ? '生成中' : '12'}
-                </button>
+                </PlatformActionButton>
               </div>
               {generateDialog.status === 'generating' ? (
                 <PlatformStatusMessage

src/index.css

@@ -4092,7 +4092,6 @@ html[data-mobile-keyboard-open='true'] .platform-mobile-bottom-dock {
 
 .image-canvas-editor__generation-ratio,
 .image-canvas-editor__generation-model,
-.image-canvas-editor__generation-submit,
 .image-canvas-editor__generation-close {
   display: inline-flex;
   align-items: center;
@@ -4120,10 +4119,11 @@ html[data-mobile-keyboard-open='true'] .platform-mobile-bottom-dock {
 .image-canvas-editor__generation-submit {
   min-width: 3.55rem;
   height: 2.55rem;
-  gap: 0.15rem;
-  border-radius: 999px;
+  border: 0;
   background: #f0f0f0;
   color: #b6b6b6;
+  font-size: 0.82rem;
+  font-weight: 800;
 }
 
 .image-canvas-editor__generation-submit:not(:disabled) {