fix(frontend): resolve TypeScript compiler errors in WorkspaceView and types

frontend/src/features/workspace/WorkspaceView.tsx

@@ -449,7 +449,8 @@ export const WorkspaceView: React.FC<WorkspaceViewProps> = ({
     } catch {}
   };
 
-  const handleBlockFocus = (blockId?: string) => {
+  const handleBlockFocus = (blockIdOrEvent?: string | React.FocusEvent<any>) => {
+    const blockId = typeof blockIdOrEvent === 'string' ? blockIdOrEvent : undefined;
     isEditorFocusedRef.current = true;
     if (idleUnlockTimerRef.current) {
       clearTimeout(idleUnlockTimerRef.current);