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/components/platform-entry/PlatformEntryFlowShellImpl.tsx

@@ -1278,6 +1278,13 @@ const ImageCanvasEditorView = lazy(async () => {
   };
 });
 
+const ProjectGalleryView = lazy(async () => {
+  const module = await import('../project/ProjectGalleryView');
+  return {
+    default: module.ProjectGalleryView,
+  };
+});
+
 const UnifiedCreationWorkspace = lazy(async () => {
   const module = await import('../unified-creation/UnifiedCreationWorkspace');
   return {
@@ -15162,6 +15169,26 @@ export function PlatformEntryFlowShellImpl({
             </Suspense>
           </motion.div>
         )}
+        {selectionStage === 'project' && (
+          <motion.div
+            key="project-gallery"
+            initial={{ opacity: 0, y: 12 }}
+            animate={{ opacity: 1, y: 0 }}
+            exit={{ opacity: 0, y: -12 }}
+            className="project-gallery-stage-shell flex h-full min-h-0 min-w-0 flex-col overflow-hidden"
+          >
+            <Suspense fallback={<LazyPanelFallback label="正在加载项目..." />}>
+              <ProjectGalleryView
+                onOpenProject={(projectId) => {
+                  setSelectionStage('image-editor');
+                  pushAppHistoryPath(
+                    `/editor/canvas?projectid=${encodeURIComponent(projectId)}`,
+                  );
+                }}
+              />
+            </Suspense>
+          </motion.div>
+        )}
         {selectionStage === 'platform' && (
           <motion.div
             key="platform-home"
@@ -15274,6 +15301,7 @@ export function PlatformEntryFlowShellImpl({
               }}
               onOpenPlayedWork={openPlayedWork}
               onOpenFeedback={openProfileFeedback}
+              onOpenProjects={() => setSelectionStage('project')}
               onOpenProfileDashboardCard={(cardKey) => {
                 if (cardKey === 'playedWorks') {
                   openProfilePlayedWorks();

src/components/platform-entry/platformEntryTypes.ts

@@ -13,6 +13,7 @@ export type CustomWorldRuntimeLaunchOptions = {
 
 export type SelectionStage =
   | 'platform'
+  | 'project'
   | 'image-editor'
   | 'profile-feedback'
   | 'work-detail'

src/components/platform-entry/platformSelectionStageModel.ts

@@ -2,6 +2,7 @@ import type { SelectionStage } from './platformEntryTypes';
 
 const PROTECTED_DATA_LOSS_STABLE_STAGE_BY_STAGE = {
   platform: true,
+  project: true,
   'image-editor': true,
   'profile-feedback': false,
   'work-detail': true,