Fix editor regressions and add Blender scene and animated material import

server/mcp.ts

@@ -473,13 +473,14 @@ export function createMcp(s: EngineService) {
   );
   tool(
     "asset_import_glb",
-    "Import GLB or embedded glTF using base64 bytes OR a path inside the project folder. External URLs are not fetched.",
+    "Import GLB, glTF with companion files, or a ZIP containing one model and its textures. Use base64 bytes OR a path inside the project folder. External files resolve only within that folder; network URLs are not fetched.",
     {
       ...revision,
-      name: z.string().regex(/\.(glb|gltf)$/i),
+      name: z.string().regex(/\.(glb|gltf|zip)$/i),
       base64: z.string().max(36_000_000).optional(),
       path: z.string().optional(),
       instantiate: z.boolean().default(true),
+      asScene: z.boolean().default(false).describe("Replace the project with the complete imported scene, using its active/first camera and lights. Undoable."),
     },
     (a) => s.importModel(a),
   );