[fix] Remove useDefineForClassFields from tsconfig

- Remove explicit declare keywords from LGraphNode to fix Babel compilation
- Set useDefineForClassFields to true to handle field initialization properly
- This fixes the i18n Playwright test failures

src/lib/litegraph/src/LGraphNode.ts

@@ -390,8 +390,8 @@ export class LGraphNode
   selected?: boolean
   showAdvanced?: boolean
 
-  declare comfyClass?: string
-  declare isVirtualNode?: boolean
+  comfyClass?: string
+  isVirtualNode?: boolean
   applyToGraph?(extraLinks?: LLink[]): void
 
   isSubgraphNode(): this is SubgraphNode {