Added chat UI

app/MindWork AI Studio/Chat/ChatRole.cs

@@ -0,0 +1,64 @@
+using MudBlazor;
+
+namespace AIStudio.Chat;
+
+/// <summary>
+/// Possible roles in the chat.
+/// </summary>
+public enum ChatRole
+{
+    NONE,
+    UNKNOWN,
+    
+    SYSTEM,
+    USER,
+    AI,
+}
+
+/// <summary>
+/// Extensions for the ChatRole enum.
+/// </summary>
+public static class ExtensionsChatRole
+{
+    /// <summary>
+    /// Returns the name of the role.
+    /// </summary>
+    /// <param name="role">The role.</param>
+    /// <returns>The name of the role.</returns>
+    public static string ToName(this ChatRole role) => role switch
+    {
+        ChatRole.SYSTEM => "System",
+        ChatRole.USER => "You",
+        ChatRole.AI => "AI",
+        
+        _ => "Unknown",
+    };
+    
+    /// <summary>
+    /// Returns the color of the role.
+    /// </summary>
+    /// <param name="role">The role.</param>
+    /// <returns>The color of the role.</returns>
+    public static Color ToColor(this ChatRole role) => role switch
+    {
+        ChatRole.SYSTEM => Color.Info,
+        ChatRole.USER => Color.Primary,
+        ChatRole.AI => Color.Tertiary,
+        
+        _ => Color.Error,
+    };
+    
+    /// <summary>
+    /// Returns the icon of the role.
+    /// </summary>
+    /// <param name="role">The role.</param>
+    /// <returns>The icon of the role.</returns>
+    public static string ToIcon(this ChatRole role) => role switch
+    {
+        ChatRole.SYSTEM => Icons.Material.Filled.Settings,
+        ChatRole.USER => Icons.Material.Filled.Person,
+        ChatRole.AI => Icons.Material.Filled.AutoAwesome,
+        
+        _ => Icons.Material.Filled.Help,
+    };
+}