adding ollama embeddings and expanding to metadata search

frontend/src/app/rag-demo/page.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useState, useEffect } from 'react';
-import { useAuth } from '@/contexts/AuthContext';
+import { useAuth } from '@/components/providers/auth-provider';
 import { tokenManager } from '@/lib/token-manager';
 
 interface SearchResult {