补齐生成中间产物持久化与拆图提示

图标和UI图集拆分失败时保留主图集并在内联、队列及刷新路径提示
角色、图片修改、图标UI和角色动作链路把可恢复中间产物写入项目与素材库
外部生成摘要新增独立告警字段并清理成功任务的历史错误
同步共享契约、SpacetimeDB迁移与绑定、OpenAPI、设计文档和回归测试

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

@@ -58,6 +58,7 @@ function createExternalTask(
     phaseDetail: overrides.phaseDetail ?? '正在生成第 2/4 段。',
     progress: overrides.progress ?? 35,
     error: overrides.error ?? null,
+    warning: overrides.warning ?? null,
     priceMudPoints: overrides.priceMudPoints ?? 1,
     refundLedgerId: overrides.refundLedgerId ?? null,
     notificationAcknowledgedAt: overrides.notificationAcknowledgedAt ?? null,
@@ -236,6 +237,7 @@ describe('ImageCanvasTaskSidebarView', () => {
                   updatedAt: completedAt,
                   progress: 100,
                   phaseDetail: '生成已完成。',
+                  warning: '连通域数量不足',
                 }),
                 createExternalTask({
                   jobId: 'done-other-project',
@@ -273,6 +275,7 @@ describe('ImageCanvasTaskSidebarView', () => {
 
     fireEvent.click(screen.getByRole('tab', { name: /已完成/u }));
     expect(await screen.findByText(/已完成提示词/u)).toBeTruthy();
+    expect(screen.getByText('连通域数量不足')).toBeTruthy();
     expect(screen.getByText(/完成于/u)).toBeTruthy();
     expect(screen.queryByText(/另一个项目的已完成任务/u)).toBeNull();
   });