Implement Mark All as Read feature for Copilot notifications

Author: Copilot

package.json

@@ -935,6 +935,11 @@
 				"title": "%command.pr.dismissNotification.title%",
 				"category": "%command.pull.request.category%"
 			},
+			{
+				"command": "pr.markAllCopilotNotificationsAsRead",
+				"title": "Mark All as Read",
+				"category": "%command.pull.request.category%"
+			},
 			{
 				"command": "pr.merge",
 				"title": "%command.pr.merge.title%",
@@ -2773,6 +2778,11 @@
 					"when": "view == pr:github && viewItem =~ /pullrequest(.*):notification/",
 					"group": "4_pullrequest@5"
 				},
+				{
+					"command": "pr.markAllCopilotNotificationsAsRead",
+					"when": "view == pr:github && viewItem =~ /copilot-query/",
+					"group": "0_category@1"
+				},
 				{
 					"command": "issue.chatSummarizeIssue",
 					"when": "view == pr:github && viewItem =~ /pullrequest/ && github.copilot-chat.activated && config.githubPullRequests.experimental.chat",

src/commands.ts

@@ -917,6 +917,15 @@ export function registerCommands(
 		}),
 	);
 
+	context.subscriptions.push(
+		vscode.commands.registerCommand('pr.markAllCopilotNotificationsAsRead', node => {
+			if (node instanceof CategoryTreeNode && node.isCopilot) {
+				copilotRemoteAgentManager.clearAllNotifications();
+				tree.refresh(node);
+			}
+		}),
+	);
+
 	async function openDescriptionCommand(argument: RepositoryChangesNode | PRNode | IssueModel | ChatSessionWithPR | undefined) {
 		let issueModel: IssueModel | undefined;
 		if (!argument) {

src/github/copilotPrWatcher.ts

@@ -105,6 +105,22 @@ export class CopilotStateModel extends Disposable {
 		}
 	}
 
+	clearAllNotifications(): void {
+		if (this._showNotification.size > 0) {
+			const items: PullRequestModel[] = [];
+			for (const key of this._showNotification.keys()) {
+				const item = this._states.get(key)?.item;
+				if (item) {
+					items.push(item);
+				}
+			}
+			this._showNotification.clear();
+			if (items.length > 0) {
+				this._onDidChangeNotifications.fire(items);
+			}
+		}
+	}
+
 	get notifications(): ReadonlySet<string> {
 		return this._showNotification;
 	}

src/github/copilotRemoteAgent.ts

@@ -747,6 +747,10 @@ export class CopilotRemoteAgentManager extends Disposable {
 		return this._stateModel.notifications.size;
 	}
 
+	public clearAllNotifications(): void {
+		this._stateModel.clearAllNotifications();
+	}
+
 	hasNotification(owner: string, repo: string, pullRequestNumber: number): boolean {
 		const key = this._stateModel.makeKey(owner, repo, pullRequestNumber);
 		return this._stateModel.notifications.has(key);

src/view/treeNodes/categoryNode.ts

@@ -183,6 +183,9 @@ export class CategoryTreeNode extends TreeNode implements vscode.TreeItem {
 
 		if (this._categoryQuery) {
 			this.contextValue = 'query';
+			if (this.isCopilot) {
+				this.contextValue = 'copilot-query';
+			}
 		}
 
 		if (this.isCopilot) {