feature "rewrite-msg command" - reply to taz 2nd review;

1. ChatGptService: MAX_TOKENS value updated to 500;
2. RewriteCommand: Adding more precision in Ai Prompt message;

Author: firasrg

application/src/main/java/org/togetherjava/tjbot/features/chatgpt/ChatGptService.java

@@ -5,7 +5,6 @@
 import com.openai.models.responses.Response;
 import com.openai.models.responses.ResponseCreateParams;
 import com.openai.models.responses.ResponseOutputText;
-import net.dv8tion.jda.api.entities.Message;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -24,8 +23,11 @@ public class ChatGptService {
     private static final Logger logger = LoggerFactory.getLogger(ChatGptService.class);
     private static final Duration TIMEOUT = Duration.ofSeconds(90);
 
-    /** The maximum number of tokens allowed for the generated answer. */
-    private static final int MAX_TOKENS = Message.MAX_CONTENT_LENGTH;
+    /**
+     * The maximum number of tokens allowed for the generated answer. This value is appropriate for
+     * Discord's 2000 character message limit.
+     */
+    private static final int MAX_TOKENS = 500;
 
     private boolean isDisabled = false;
     private OpenAIClient openAIClient;

application/src/main/java/org/togetherjava/tjbot/features/messages/RewriteCommand.java

@@ -48,6 +48,8 @@ public final class RewriteCommand extends SlashCommandAdapter {
 
             If the message is already well-written, make only minor improvements.
 
+            Reply with ONLY the rewritten message, nothing else (greetings, preamble, etc).
+
             Message to rewrite:
             %s
             """.stripIndent();