setting for showing thinking (#260184)

Author: justschen

src/vs/workbench/contrib/chat/browser/chat.contribution.ts

@@ -558,6 +558,12 @@ configurationRegistry.registerConfiguration({
 			default: true,
 			description: nls.localize('chat.tools.useTreePicker', "Use the new Quick Tree-based tools picker instead of the Quick Pick-based one. Provides better hierarchical organization of tools and tool sets with collapsible sections, improved visual hierarchy, and native tree interactions."),
 			tags: ['experimental'],
+		},
+		[ChatConfiguration.ShowThinking]: {
+			type: 'boolean',
+			default: false,
+			description: nls.localize('chat.agent.showThinking', "Controls whether to show the thinking process of the model in chat responses."),
+			tags: ['experimental'],
 		}
 	}
 });

src/vs/workbench/contrib/chat/browser/chatListRenderer.ts

@@ -1150,7 +1150,7 @@ export class ChatListItemRenderer extends Disposable implements ITreeRenderer<Ch
 				return this.renderChatErrorDetails(context, content, templateData);
 			} else if (content.kind === 'elicitation') {
 				return this.renderElicitation(context, content, templateData);
-			} else if (content.kind === 'thinking' && content.value) {
+			} else if (content.kind === 'thinking' && this.configService.getValue<boolean>(ChatConfiguration.ShowThinking) && content.value) {
 				return this.renderThinking(context, content, templateData);
 			} else if (content.kind === 'changesSummary') {
 				return this.renderChangesSummary(content, context, templateData);

src/vs/workbench/contrib/chat/common/constants.ts

@@ -12,6 +12,7 @@ export enum ChatConfiguration {
 	EnableMath = 'chat.math.enabled',
 	CheckpointsEnabled = 'chat.checkpoints.enabled',
 	AgentSessionsViewLocation = 'chat.agentSessionsViewLocation',
+	ShowThinking = 'chat.agent.showThinking',
 }
 
 /**