feat: enhance canvas functionality with new node types and improved data handling

- Added support for a new "compare" node type to facilitate side-by-side image comparisons.
- Updated AI image and prompt nodes to include aspect ratio handling for better image generation.
- Enhanced canvas toolbar to include export functionality for canvas data.
- Improved data resolution for compare nodes by resolving incoming edges and updating node data accordingly.
- Refactored frame node to support dynamic resizing and exporting capabilities.
- Introduced debounced saving for prompt node to optimize performance during user input.

convex/nodes.ts

@@ -88,7 +88,20 @@ export const get = query({
       return null;
     }
 
-    return node;
+    const data = node.data as Record<string, unknown> | undefined;
+    if (!data?.storageId) {
+      return node;
+    }
+
+    const url = await ctx.storage.getUrl(data.storageId as Id<"_storage">);
+
+    return {
+      ...node,
+      data: {
+        ...data,
+        url: url ?? undefined,
+      },
+    };
   },
 });