Add ChangeReviewersReply type for addReviewerCopilot reply

- Created ChangeReviewersReply interface in views.ts
- Updated addReviewerCopilot to use typed reply instead of inline object
- Fixed copilotUser reference instead of using removed COPILOT_REVIEWER_ACCOUNT
- Removed unused imports

Co-authored-by: alexr00 <38270282+alexr00@users.noreply.github.com>

Author: Copilot

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

@@ -95,6 +95,11 @@ declare module 'vscode' {
 		 */
 		description?: string | MarkdownString;
 
+		/**
+		 * An optional badge that provides additional context about the chat session.
+		 */
+		badge?: string | MarkdownString;
+
 		/**
 		 * An optional status indicating the current state of the session.
 		 */

src/github/pullRequestOverview.ts

@@ -25,9 +25,9 @@ import { isCopilotOnMyBehalf, PullRequestModel } from './pullRequestModel';
 import { PullRequestReviewCommon, ReviewContext } from './pullRequestReviewCommon';
 import { pickEmail, reviewersQuickPick } from './quickPicks';
 import { parseReviewers } from './utils';
-import { CancelCodingAgentReply, DeleteReviewResult, MergeArguments, MergeResult, PullRequest, ReviewType } from './views';
+import { CancelCodingAgentReply, ChangeReviewersReply, DeleteReviewResult, MergeArguments, MergeResult, PullRequest, ReviewType } from './views';
 import { COPILOT_ACCOUNTS, IComment } from '../common/comment';
-import { COPILOT_REVIEWER, COPILOT_REVIEWER_ACCOUNT, COPILOT_SWE_AGENT, copilotEventToStatus, CopilotPRStatus, mostRecentCopilotEvent } from '../common/copilot';
+import { COPILOT_SWE_AGENT, copilotEventToStatus, CopilotPRStatus, mostRecentCopilotEvent } from '../common/copilot';
 import { commands, contexts } from '../common/executeCommands';
 import { disposeAll } from '../common/lifecycle';
 import Logger from '../common/logger';
@@ -757,10 +757,10 @@ export class PullRequestOverviewPanel extends IssueOverviewPanel<PullRequestMode
 		try {
 			const copilotUser = this._assignableUsers[this._item.remote.remoteName]?.find(user => COPILOT_ACCOUNTS[user.login]);
 			if (copilotUser) {
-				await this._item.requestReview([COPILOT_REVIEWER_ACCOUNT], []);
+				await this._item.requestReview([copilotUser], []);
 				const newReviewers = await this._item.getReviewRequests();
 				this._existingReviewers = parseReviewers(newReviewers!, await this._item.getTimelineEvents(), this._item.author);
-				const reply = {
+				const reply: ChangeReviewersReply = {
 					reviewers: this._existingReviewers
 				};
 				this._replyMessage(message, reply);

src/github/views.ts

@@ -121,6 +121,10 @@ export interface ChangeAssigneesReply {
 	events: TimelineEvent[];
 }
 
+export interface ChangeReviewersReply {
+	reviewers: ReviewState[];
+}
+
 export interface SubmitReviewReply {
 	events?: TimelineEvent[];
 	reviewedEvent: ReviewEvent | CommentEvent;