From f13ef76d66530929bda1dd48712507e317443428 Mon Sep 17 00:00:00 2001
From: Stephen Toub <stoub@microsoft.com>
Date: Tue, 23 Sep 2025 13:42:49 -0400
Subject: [PATCH] Update M.E.AI to 9.9

---
 TransformersSharp/MEAI/ChatClient.cs       | 16 ++++++++++++++--
 TransformersSharp/TransformersSharp.csproj |  4 ++--
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/TransformersSharp/MEAI/ChatClient.cs b/TransformersSharp/MEAI/ChatClient.cs
index aa2933b..0159e4e 100644
--- a/TransformersSharp/MEAI/ChatClient.cs
+++ b/TransformersSharp/MEAI/ChatClient.cs
@@ -24,12 +24,24 @@ public Task<ChatResponse> GetResponseAsync(IEnumerable<ChatMessage> messages, Ch
     {
         return Task.Run(() =>
         {
-            var result = TextGenerationPipeline.Generate(messages.Select(
+            var input = messages.Select(
                 message => new Dictionary<string, string>
                 {
                     { "role", message.Role.Value },
                     { "content", message.Text }
-                }).ToList(),
+                }).ToList();
+
+            if (options?.Instructions is { } instructions)
+            {
+                input.Add(new()
+                {
+                    ["role"] = ChatRole.System.Value,
+                    ["content"] = instructions
+                });
+            }
+
+            var result = TextGenerationPipeline.Generate(
+                input,
                 maxNewTokens: options?.MaxOutputTokens,
                 topk: options?.TopK,
                 topp: options?.TopP,
diff --git a/TransformersSharp/TransformersSharp.csproj b/TransformersSharp/TransformersSharp.csproj
index fe9fc21..7fc7cc4 100644
--- a/TransformersSharp/TransformersSharp.csproj
+++ b/TransformersSharp/TransformersSharp.csproj
@@ -18,8 +18,8 @@
 
   <ItemGroup>
     <PackageReference Include="CSnakes.Runtime" Version="1.0.33" />
-    <PackageReference Include="Microsoft.Extensions.AI.Abstractions" Version="9.5.0" />
-    <PackageReference Include="Microsoft.ML.Tokenizers" Version="2.0.0-preview.1.25127.4" />
+    <PackageReference Include="Microsoft.Extensions.AI.Abstractions" Version="9.9.0" />
+    <PackageReference Include="Microsoft.ML.Tokenizers" Version="2.0.0-preview.25373.1" />
   </ItemGroup>
 
 	<ItemGroup>