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

src/lib/studio-history.ts

@@ -0,0 +1,31 @@
+import type { Scene } from "@/lib/studio-types";
+
+export const STUDIO_HISTORY_LIMIT = 50;
+
+export interface StudioHistorySnapshot {
+  scenes: Scene[];
+  activeSceneId: string;
+  selectedLayerId: string | null;
+}
+
+export function cloneScenes(scenes: Scene[]): Scene[] {
+  return scenes.map((scene) => ({
+    ...scene,
+    layers: scene.layers.map((layer) => ({
+      ...layer,
+      props: { ...layer.props },
+    })),
+  }));
+}
+
+export function captureHistorySnapshot(state: {
+  scenes: Scene[];
+  activeSceneId: string;
+  selectedLayerId: string | null;
+}): StudioHistorySnapshot {
+  return {
+    scenes: cloneScenes(state.scenes),
+    activeSceneId: state.activeSceneId,
+    selectedLayerId: state.selectedLayerId,
+  };
+}