Apply suggestions from code review

Co-authored-by: Copilot <[email protected]>

Author: jongalloway

samples/AspireDemo/NLWebNet.Frontend/Components/Layout/NavMenu.razor

@@ -12,7 +12,7 @@
     <nav class="flex-column">
         <div class="nav-item px-3">
             <NavLink class="nav-link" href="" Match="NavLinkMatch.All">
-                <span class="bi bi-house-door-fill-nav-menu" aria-hidden="true"></span> Home
+                <span class="bi bi-house-door-fill" aria-hidden="true"></span> Home
             </NavLink>
         </div>
         <div class="nav-item px-3">

samples/AspireDemo/NLWebNet.Frontend/Components/Pages/VectorSearch.razor

@@ -813,7 +813,7 @@
             await Task.Delay(500); // Brief pause for UI feedback
             
             var httpClient = HttpClientFactory.CreateClient("DirectApiClient");
-            var clearResponse = await httpClient.DeleteAsync("/api/clear");
+            var clearResponse = await httpClient.DeleteAsync("/vector/clear");
             if (!clearResponse.IsSuccessStatusCode)
             {
                 throw new Exception($"Failed to clear database: {clearResponse.StatusCode}");