Enhance canvas functionality with new node types and validation

- Added support for new canvas node types: curves, color-adjust, light-adjust, detail-adjust, and render.
- Implemented validation for adjustment nodes to restrict incoming edges to one.
- Updated canvas connection validation to improve user feedback on invalid connections.
- Enhanced node creation and rendering logic to accommodate new node types and their properties.
- Refactored related components and utilities for better maintainability and performance.

convex/storage.ts

@@ -87,7 +87,7 @@ async function resolveStorageUrls(
       }
 
       const { storageId, url } = entry;
-      resolved[storageId] = url;
+      resolved[storageId] = url ?? undefined;
     }
   }