Refactor navigation and update styles and dependencies

- Rearranged navigation items in `MainLayout.razor`.
- Removed `ToastService` injection and modified key handling in `Ask.razor`.
- Downgraded `Microsoft.SemanticKernel` version in project file.
- Updated CSS styles for sidebar brand icon and navigation item states.
- Fixed error message content in `.blazor-error-boundary` class.

SqlDatabaseVectorSearch/Components/Layout/MainLayout.razor

@@ -49,8 +49,8 @@
     {
         navItems = [
             new() { Id = "1", Href = "/", IconName = IconName.HouseDoorFill, Text = "Home", Match = NavLinkMatch.All},
-            new() { Id = "2", Href = "/ask", IconName = IconName.ChatDots, Text = "Ask"},
-            new() { Id = "3", Href= "/documents", IconName = IconName.FileText, Text = "Documents" }
+            new() { Id = "2", Href= "/documents", IconName = IconName.FileText, Text = "Documents" },
+            new() { Id = "3", Href = "/ask", IconName = IconName.ChatDots, Text = "Ask"}
         ];
 
         return navItems;

SqlDatabaseVectorSearch/Components/Pages/Ask.razor

@@ -107,9 +107,6 @@
     private Guid conversationId = Guid.NewGuid();
     private bool isAsking = false;
 
-    [Inject]
-    protected ToastService ToastService { get; set; } = default!;
-
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
         if (!firstRender)
@@ -122,10 +119,19 @@
 
     private async Task HandleKeyDown(KeyboardEventArgs e)
     {
-        if (e.Key == "Enter" && !isAsking && !string.IsNullOrWhiteSpace(question))
+        if (isAsking)
+        {
+            return;
+        }
+
+        if (e.Key == "Enter" && !string.IsNullOrWhiteSpace(question))
         {
             await AskQuestion();
         }
+        else if (e.Key == "ArrowUp" && messages.Count >= 2)
+        {
+            question = messages[^2].Text;
+        }
     }
 
     private async Task AskQuestion()

SqlDatabaseVectorSearch/SqlDatabaseVectorSearch.csproj

@@ -19,7 +19,7 @@
         <PackageReference Include="Microsoft.ML.Tokenizers" Version="1.0.1" />
         <PackageReference Include="Microsoft.ML.Tokenizers.Data.Cl100kBase" Version="1.0.1" />
         <PackageReference Include="Microsoft.ML.Tokenizers.Data.O200kBase" Version="1.0.1" />
-        <PackageReference Include="Microsoft.SemanticKernel" Version="1.38.0" />
+        <PackageReference Include="Microsoft.SemanticKernel" Version="1.37.0" />
         <PackageReference Include="MimeMapping" Version="3.1.0" />
         <PackageReference Include="MinimalHelpers.OpenApi" Version="2.1.4" />
         <PackageReference Include="PdfPig" Version="0.1.9" />

SqlDatabaseVectorSearch/wwwroot/css/app.css

@@ -5,7 +5,7 @@
     --bb-sidebar2-top-row-background-color: rgba(0,0,0,0.08);
     --bb-sidebar2-top-row-border-color: rgb(194,192,192);
     --bb-sidebar2-title-text-color: rgb(0,0,0);
-    --bb-sidebar2-brand-icon-color: #6f42c1;
+    --bb-sidebar2-brand-icon-color: rgb(0,0,0);
     --bb-sidebar2-brand-image-width: 24px;
     --bb-sidebar2-brand-image-height: 24px;
     --bb-sidebar2-title-badge-text-color: rgb(255,255,255);
@@ -21,18 +21,14 @@
     --bb-sidebar2-nav-item-group-background-color: rgba(var(--bb-sidebar-nav-item-text-active-color-rgb),0.08);
 }
 
-.bb-sidebar2 nav .nav-item a {
-    color: var(--bb-sidebar2-nav-item-text-color) !important;
-}
-
 .bb-sidebar2 nav .nav-item a:hover {
-        background-color: var(--bb-sidebar2-nav-item-background-hover-color) !important;
-        color: var(--bb-sidebar2-nav-item-text-hover-color) !important;
+    background-color: rgba(0,0,0,0.08) !important;
+    color: rgba(0,0,0,0.9) !important;
 }
 
 .bb-sidebar2 nav .nav-item a.active {
-        background-color: var(--bb-sidebar2-nav-item-background-hover-color) !important;
-        color: var(--bb-sidebar2-nav-item-text-active-color) !important;        
+    background-color: rgb(194,192,192) !important;
+    color: rgba(0,0,0,0.9) !important;
 }
 
 h1:focus {