Fix editor regressions and add Blender scene and animated material import

editor/startup.ts

@@ -2,10 +2,15 @@ import { type Project, clone, validateProject } from '../engine/schema.ts';
 import { defaultProject } from '../engine/templates.ts';
 import { loadDraft } from './persistence.ts';
 
-export interface EditorStartupOptions { initialProject?: Project; browserOnly?: boolean; }
+export interface EditorStartupOptions { initialProject?: Project; browserOnly?: boolean; draftScope?: string; }
+export function editorDraftKey(options: EditorStartupOptions, base = typeof document === "undefined" ? "http://localhost/" : document.baseURI) {
+  if (!options.browserOnly) return "active";
+  const scope = options.draftScope ?? new URL(".", base).pathname;
+  return `hosted:${scope}:${options.initialProject?.id ?? "blank"}`;
+}
 export async function loadEditorProject(
   options: EditorStartupOptions = {},
-  dependencies: { request: typeof fetch; draft: () => Promise<Project | null> } = { request: fetch, draft: loadDraft },
+  dependencies: { request: typeof fetch; draft: (key: string) => Promise<Project | null> } = { request: fetch, draft: loadDraft },
 ) {
   if (!options.browserOnly) {
     try {
@@ -23,7 +28,7 @@ export async function loadEditorProject(
     } catch {}
   }
   try {
-    const project = await dependencies.draft();
+    const project = await dependencies.draft(editorDraftKey(options));
     if (project) {
       validateProject(project);
       return { project, status: null, restored: true };