feat: full studio build -- light theme, canvas thumbnails, i18n (fa/en)

src/lib/studio-scene-thumbnail.ts

@@ -0,0 +1,21 @@
+import { getStudioStage } from "@/lib/studio-canvas-stage";
+
+/** Wait for Konva to paint after store-driven layer changes */
+export function scheduleSceneThumbnailCapture(
+  capture: () => void
+): void {
+  requestAnimationFrame(() => {
+    requestAnimationFrame(capture);
+  });
+}
+
+export function captureSceneThumbnailFromStage(): string | null {
+  const stage = getStudioStage();
+  if (!stage) return null;
+
+  try {
+    return stage.toDataURL({ pixelRatio: 0.2 });
+  } catch {
+    return null;
+  }
+}