新增图片画布项目页

新增 /project 项目页和我的页项目入口

补齐图片画布工程列表、重命名和删除 API

支持 /editor/canvas 按 projectid 加载指定工程

更新图片画布文档、TRACKING 和对应测试

src/routing/appPageRoutes.test.ts

@@ -31,6 +31,12 @@ describe('appPageRoutes', () => {
     expect(resolvePathForSelectionStage('image-editor')).toBe('/editor/canvas');
   });
 
+  it('resolves the project route', () => {
+    expect(resolveSelectionStageFromPath('/project')).toBe('project');
+    expect(resolveSelectionStageFromPath('/PROJECT/')).toBe('project');
+    expect(resolvePathForSelectionStage('project')).toBe('/project');
+  });
+
   it('resolves jump-hop creation, gallery and runtime routes', () => {
     expect(resolveSelectionStageFromPath('/creation/jump-hop')).toBe(
       'jump-hop-workspace',