chore: added new command log for export done (#3770)

src/components/ModelStateIndicator.tsx

@@ -29,6 +29,12 @@ export const ModelStateIndicator = () => {
         name="checkmark"
       />
     )
+  } else if (lastCommandType === 'export-done') {
+    className +=
+      'border-6 border border-solid border-chalkboard-60 dark:border-chalkboard-80 bg-chalkboard-20 dark:bg-chalkboard-80 !group-disabled:bg-chalkboard-30 !dark:group-disabled:bg-chalkboard-80 rounded-sm bg-succeed-10/30 dark:bg-succeed'
+    icon = (
+      <CustomIcon data-testid={dataTestId + '-export-done'} name="checkmark" />
+    )
   }
 
   return (

src/lang/std/engineConnection.ts

@@ -1252,6 +1252,10 @@ export type CommandLog =
       type: 'execution-done'
       data: null
     }
+  | {
+      type: 'export-done'
+      data: null
+    }
 
 export enum EngineCommandManagerEvents {
   // engineConnection is available but scene setup may not have run
@@ -1918,7 +1922,13 @@ export class EngineCommandManager extends EventTarget {
     } else if (cmd.type === 'export') {
       const promise = new Promise<null>((resolve, reject) => {
         this.pendingExport = {
-          resolve,
+          resolve: (passThrough) => {
+            this.addCommandLog({
+              type: 'export-done',
+              data: null,
+            })
+            resolve(passThrough)
+          },
           reject: (reason: string) => {
             this.exportIntent = null
             reject(reason)