chore: import upstream snapshot with attribution

2026-07-13 13:21:23 +08:00
commit b957a53def
5423 changed files with 863745 additions and 0 deletions
@@ -0,0 +1,28 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System;
+using Microsoft.SemanticKernel.ChatCompletion;
+using ModelContextProtocol.Protocol;
+
+namespace MCPClient;
+
+/// <summary>
+/// Extension methods for the <see cref="Role"/> enum.
+/// </summary>
+internal static class RoleExtensions
+{
+    /// <summary>
+    /// Converts a <see cref="Role"/> to a <see cref="AuthorRole"/>.
+    /// </summary>
+    /// <param name="role">The MCP role to convert.</param>
+    /// <returns>The corresponding <see cref="AuthorRole"/>.</returns>
+    public static AuthorRole ToAuthorRole(this Role role)
+    {
+        return role switch
+        {
+            Role.User => AuthorRole.User,
+            Role.Assistant => AuthorRole.Assistant,
+            _ => throw new InvalidOperationException($"Unexpected role '{role}'")
+        };
+    }
+}