[WIP] Add button to open issue or PR from summary

src/@types/vscode.proposed.chatParticipantAdditions.d.ts

@@ -105,6 +105,7 @@ declare module 'vscode' {
 		isComplete?: boolean;
 		toolSpecificData?: ChatTerminalToolInvocationData;
 		fromSubAgent?: boolean;
+		presentation?: 'hidden' | 'hiddenAfterComplete' | undefined;
 
 		constructor(toolName: string, toolCallId: string, isError?: boolean);
 	}

src/lm/tools/fetchIssueTool.ts

@@ -36,6 +36,8 @@ export interface FetchIssueResult {
 	author?: string;
 	assignees?: string[];
 	reviewers?: string[];
+	issueNumber?: number;
+	itemType?: 'issue' | 'pr';
 }
 
 export class FetchIssueTool extends RepoToolBase<FetchIssueToolParameters> {
@@ -51,6 +53,7 @@ export class FetchIssueTool extends RepoToolBase<FetchIssueToolParameters> {
 		if (!issueOrPullRequest) {
 			throw new Error(`No issue or pull request found for ${owner}/${name}/${issueNumber}. Make sure the issue or pull request exists.`);
 		}
+		const itemType = issueOrPullRequest instanceof PullRequestModel ? 'pr' : 'issue';
 		const result: FetchIssueResult = {
 			owner,
 			repo: name,
@@ -59,7 +62,9 @@ export class FetchIssueTool extends RepoToolBase<FetchIssueToolParameters> {
 			comments: issueOrPullRequest.item.comments?.map(c => ({ body: c.body, author: c.author.login })) ?? [],
 			author: issueOrPullRequest.author?.login,
 			assignees: issueOrPullRequest.assignees?.map(a => a.login),
-			reviewers: issueOrPullRequest instanceof PullRequestModel ? issueOrPullRequest.reviewers?.map(r => isITeam(r) ? r.name : r.login).filter((login): login is string => !!login) : undefined
+			reviewers: issueOrPullRequest instanceof PullRequestModel ? issueOrPullRequest.reviewers?.map(r => isITeam(r) ? r.name : r.login).filter((login): login is string => !!login) : undefined,
+			issueNumber,
+			itemType
 		};
 		if (issueOrPullRequest instanceof PullRequestModel && issueOrPullRequest.isResolved()) {
 			const fileChanges = await issueOrPullRequest.getFileChangesInfo();

src/lm/tools/summarizeIssueTool.ts

@@ -6,7 +6,7 @@
 
 import * as vscode from 'vscode';
 import { FetchIssueResult } from './fetchIssueTool';
-import { concatAsyncIterable } from './toolsUtils';
+import { concatAsyncIterable, TOOL_COMMAND_RESULT } from './toolsUtils';
 
 export class IssueSummarizationTool implements vscode.LanguageModelTool<FetchIssueResult> {
 	public static readonly toolId = 'github-pull-request_issue_summarize';
@@ -58,17 +58,34 @@ Body: ${comment.body}
 		const model = models[0];
 		const repo = options.input.repo;
 		const owner = options.input.owner;
+		const content: vscode.LanguageModelTextPart[] = [];
+
+		// Add Open command if we have the necessary information
+		const issueNumber = options.input.issueNumber;
+		const itemType = options.input.itemType;
+		if (owner && repo && issueNumber && itemType) {
+			const type = itemType === 'issue' ? 'issues' : 'pull';
+			const url = `https://github.com/${owner}/${repo}/${type}/${issueNumber}`;
+			const openCommand: vscode.Command = {
+				title: 'Open',
+				command: 'vscode.open',
+				arguments: [vscode.Uri.parse(url)]
+			};
+			content.push(new vscode.LanguageModelTextPart(TOOL_COMMAND_RESULT));
+			content.push(new vscode.LanguageModelTextPart(JSON.stringify(openCommand)));
+		}
 
 		if (model && repo && owner) {
 			const messages = [vscode.LanguageModelChatMessage.User(this.summarizeInstructions(repo, owner))];
 			messages.push(vscode.LanguageModelChatMessage.User(`The issue or pull request information is as follows:`));
 			messages.push(vscode.LanguageModelChatMessage.User(issueOrPullRequestInfo));
 			const response = await model.sendRequest(messages, {});
 			const responseText = await concatAsyncIterable(response.text);
-			return new vscode.LanguageModelToolResult([new vscode.LanguageModelTextPart(responseText)]);
+			content.push(new vscode.LanguageModelTextPart(responseText));
 		} else {
-			return new vscode.LanguageModelToolResult([new vscode.LanguageModelTextPart(issueOrPullRequestInfo)]);
+			content.push(new vscode.LanguageModelTextPart(issueOrPullRequestInfo));
 		}
+		return new vscode.LanguageModelToolResult(content);
 	}
 
 	private summarizeInstructions(repo: string, owner: string): string {

src/lm/tools/summarizeNotificationsTool.ts

@@ -70,6 +70,11 @@ Body: ${comment.body}
 		const content: vscode.LanguageModelTextPart[] = [];
 		const threadId = options.input.threadId;
 		const notificationKey = options.input.notificationKey;
+		const owner = options.input.owner;
+		const repo = options.input.repo;
+		const itemNumber = options.input.itemNumber;
+		const itemType = options.input.itemType;
+
 		if (threadId && notificationKey) {
 			const markAsReadCommand = {
 				title: 'Mark As Read',
@@ -85,9 +90,20 @@ Body: ${comment.body}
 			content.push(new vscode.LanguageModelTextPart(JSON.stringify(markAsReadCommand)));
 			content.push(new vscode.LanguageModelTextPart(TOOL_COMMAND_RESULT));
 			content.push(new vscode.LanguageModelTextPart(JSON.stringify(markAsDoneCommand)));
+
+			// Add Open command
+			if (owner && repo && itemNumber && itemType) {
+				const type = itemType === 'issue' ? 'issues' : 'pull';
+				const url = `https://github.com/${owner}/${repo}/${type}/${itemNumber}`;
+				const openCommand: vscode.Command = {
+					title: 'Open',
+					command: 'vscode.open',
+					arguments: [vscode.Uri.parse(url)]
+				};
+				content.push(new vscode.LanguageModelTextPart(TOOL_COMMAND_RESULT));
+				content.push(new vscode.LanguageModelTextPart(JSON.stringify(openCommand)));
+			}
 		}
-		const owner = options.input.owner;
-		const repo = options.input.repo;
 		if (model && owner && repo) {
 			const messages = [vscode.LanguageModelChatMessage.User(this.summarizeInstructions(owner, repo))];
 			messages.push(vscode.LanguageModelChatMessage.User(`The notification information is as follows:`));