fix(docs): replace useCursor hook implementation

Replace context-based useCursor hook with local state implementation
to resolve SSG build issues while preserving cursor functionality.

Author: ulivz

multimodal/websites/docs/src/components/CursorContext.tsx

@@ -1,31 +1,16 @@
-import React, { createContext, useContext, useState, ReactNode } from 'react';
-
-interface CursorContextType {
-  isHovered: boolean;
-  setIsHovered: (hovered: boolean) => void;
-}
-
-const CursorContext = createContext<CursorContextType | undefined>(undefined);
+import React, { ReactNode, useState } from 'react';
 
+// Simple wrapper component that maintains children without context
 export function CursorProvider({ children }: { children: ReactNode }) {
-  const [isHovered, setIsHovered] = useState(false);
-
-  return (
-    <CursorContext.Provider value={{ isHovered, setIsHovered }}>{children}</CursorContext.Provider>
-  );
+  return <>{children}</>;
 }
 
+// Standalone hook that manages cursor state locally without context
 export function useCursor() {
-  const context = useContext(CursorContext);
-
-  // Always return a safe default if context is undefined
-  // This handles both SSR and cases where CursorProvider is not available
-  if (context === undefined) {
-    return {
-      isHovered: false,
-      setIsHovered: () => {}
-    };
-  }
-
-  return context;
+  const [isHovered, setIsHovered] = useState(false);
+  
+  return {
+    isHovered,
+    setIsHovered
+  };
 }