Update StableDiffusionResponder.

Author: alanedwardes

src/Automation/Responders/StableDiffusionResponder.cs

@@ -1,8 +1,6 @@
 using Discord;
 using Estranged.Automation.Events;
 using Microsoft.Extensions.AI;
-using Estranged.Automation.Events;
-using Microsoft.Extensions.AI;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 using System;
@@ -68,10 +66,10 @@ public async Task ProcessMessage(IMessage message, CancellationToken token)
 
                 using (message.Channel.EnterTypingState())
                 {
-                    var chatClient = _chatClientFactory.CreateClient($"urn:ollama:{_configuration["OLLAMA_MODEL"]}");
+                    var chatClient = _chatClientFactory.CreateClient("urn:ollama:llama3.2:1b");
                     var response = await chatClient.GetResponseAsync(new[]
                     {
-                        new ChatMessage(ChatRole.System, "You are a prompt generator for Stable Diffusion. You will be given a prompt, and you must add details to it to make it better. You must only output the improved prompt, and nothing else."),
+                        new ChatMessage(ChatRole.System, "You are a prompt generator for Stable Diffusion. You will be given a prompt, and you must add a few keywords to it to make it better. You must only output the improved prompt, and nothing else. Do not use command line arguments or negative tags."),
                         new ChatMessage(ChatRole.User, prompt)
                     }, new ChatOptions { AdditionalProperties = new AdditionalPropertiesDictionary { { "Think", false } } }, cancellationToken: token);