ensure default option is provided (microsoft#264951)

fix microsoft#264660

Author: meganrogge

src/vs/workbench/contrib/terminalContrib/chatAgentTools/browser/tools/monitoring/outputMonitor.ts

@@ -453,7 +453,7 @@ export class OutputMonitor extends Disposable implements IOutputMonitor {
 		this._lastPromptMarker = currentMarker;
 		this._lastPrompt = prompt;
 
-		const promptText = `Given the following confirmation prompt and options from a terminal output, which option is the default or best value?\nPrompt: "${prompt}"\nOptions: ${JSON.stringify(options)}\nRespond with only the option string.`;
+		const promptText = `Given the following confirmation prompt and options from a terminal output, which option is the default?\nPrompt: "${prompt}"\nOptions: ${JSON.stringify(options)}\nRespond with only the option string.`;
 		const response = await this._languageModelsService.sendChatRequest(models[0], new ExtensionIdentifier('core'), [
 			{ role: ChatMessageRole.User, content: [{ type: 'text', value: promptText }] }
 		], {}, token);