Some chat session improvements

Use "chat" word instead of "session", and use "new chat" instead of "clear".
Add "Clear all chats" command to delete all history

microsoft/vscode-copilot-release#725

Author: roblourens

src/vs/workbench/contrib/chat/browser/actions/chatActions.ts

@@ -155,14 +155,11 @@ export function registerChatActions() {
 
 	registerAction2(ChatSubmitSecondaryAgentEditorAction);
 
-	registerAction2(class ClearChatHistoryAction extends Action2 {
+	registerAction2(class ClearChatInputHistoryAction extends Action2 {
 		constructor() {
 			super({
-				id: 'workbench.action.chatEditor.clearHistory',
-				title: {
-					value: localize('interactiveSession.clearHistory.label', "Clear Input History"),
-					original: 'Clear Input History'
-				},
+				id: 'workbench.action.chat.clearInputHistory',
+				title: localize2('interactiveSession.clearHistory.label', "Clear Input History"),
 				precondition: CONTEXT_PROVIDER_EXISTS,
 				category: CHAT_CATEGORY,
 				f1: true,
@@ -174,6 +171,22 @@ export function registerChatActions() {
 		}
 	});
 
+	registerAction2(class ClearChatHistoryAction extends Action2 {
+		constructor() {
+			super({
+				id: 'workbench.action.chat.clearHistory',
+				title: localize2('chat.clear.label', "Clear All Workspace Chats"),
+				precondition: CONTEXT_PROVIDER_EXISTS,
+				category: CHAT_CATEGORY,
+				f1: true,
+			});
+		}
+		async run(accessor: ServicesAccessor, ...args: any[]) {
+			const chatService = accessor.get(IChatService);
+			chatService.clearAllHistoryEntries();
+		}
+	});
+
 	registerAction2(class FocusChatAction extends EditorAction2 {
 		constructor() {
 			super({
@@ -257,10 +270,7 @@ export function getOpenChatEditorAction(id: string, label: string, when?: string
 const getHistoryChatActionDescriptorForViewTitle = (viewId: string, providerId: string): Readonly<IAction2Options> & { viewId: string } => ({
 	viewId,
 	id: `workbench.action.chat.${providerId}.history`,
-	title: {
-		value: localize('interactiveSession.history.label', "Show History"),
-		original: 'Show History'
-	},
+	title: localize2('chat.history.label', "Show Chats"),
 	menu: {
 		id: MenuId.ViewTitle,
 		when: ContextKeyExpr.equals('view', viewId),
@@ -295,7 +305,7 @@ export function getHistoryAction(viewId: string, providerId: string) {
 			}));
 			const selection = await quickInputService.pick(picks,
 				{
-					placeHolder: localize('interactiveSession.history.pick', "Switch to chat session"),
+					placeHolder: localize('interactiveSession.history.pick', "Switch to chat"),
 					onDidTriggerItemButton: context => {
 						chatService.removeHistoryEntry(context.item.chat.sessionId);
 						context.removeItem();

src/vs/workbench/contrib/chat/browser/actions/chatClearActions.ts

@@ -20,15 +20,15 @@ import { ChatEditorInput } from 'vs/workbench/contrib/chat/browser/chatEditorInp
 import { ChatViewPane } from 'vs/workbench/contrib/chat/browser/chatViewPane';
 import { CONTEXT_IN_CHAT_SESSION, CONTEXT_PROVIDER_EXISTS } from 'vs/workbench/contrib/chat/common/chatContextKeys';
 
-export const ACTION_ID_CLEAR_CHAT = `workbench.action.chat.clear`;
+export const ACTION_ID_NEW_CHAT = `workbench.action.chat.newChat`;
 
-export function registerClearActions() {
+export function registerNewChatActions() {
 
-	registerAction2(class ClearEditorAction extends Action2 {
+	registerAction2(class NewChatEditorAction extends Action2 {
 		constructor() {
 			super({
-				id: 'workbench.action.chatEditor.clear',
-				title: localize2('chat.newSession.label', "New Session"),
+				id: 'workbench.action.chatEditor.newChat',
+				title: localize2('chat.newChat.label', "New Chat"),
 				icon: Codicon.plus,
 				f1: false,
 				precondition: CONTEXT_PROVIDER_EXISTS,
@@ -50,10 +50,10 @@ export function registerClearActions() {
 	registerAction2(class GlobalClearChatAction extends Action2 {
 		constructor() {
 			super({
-				id: ACTION_ID_CLEAR_CHAT,
-				title: localize2('chat.newSession.label', "New Session"),
+				id: ACTION_ID_NEW_CHAT,
+				title: localize2('chat.newChat.label', "New Chat"),
 				category: CHAT_CATEGORY,
-				icon: Codicon.clearAll,
+				icon: Codicon.plus,
 				precondition: CONTEXT_PROVIDER_EXISTS,
 				f1: true,
 				keybinding: {
@@ -86,10 +86,10 @@ export function registerClearActions() {
 	});
 }
 
-const getClearChatActionDescriptorForViewTitle = (viewId: string, providerId: string): Readonly<IAction2Options> & { viewId: string } => ({
+const getNewChatActionDescriptorForViewTitle = (viewId: string, providerId: string): Readonly<IAction2Options> & { viewId: string } => ({
 	viewId,
-	id: `workbench.action.chat.${providerId}.clear`,
-	title: localize2('chat.newSession.label', "New Session"),
+	id: `workbench.action.chat.${providerId}.newChat`,
+	title: localize2('chat.newChat.label', "New Chat"),
 	menu: {
 		id: MenuId.ViewTitle,
 		when: ContextKeyExpr.equals('view', viewId),
@@ -102,10 +102,10 @@ const getClearChatActionDescriptorForViewTitle = (viewId: string, providerId: st
 	f1: false
 });
 
-export function getClearAction(viewId: string, providerId: string) {
-	return class ClearAction extends ViewAction<ChatViewPane> {
+export function getNewChatAction(viewId: string, providerId: string) {
+	return class NewChatAction extends ViewAction<ChatViewPane> {
 		constructor() {
-			super(getClearChatActionDescriptorForViewTitle(viewId, providerId));
+			super(getNewChatActionDescriptorForViewTitle(viewId, providerId));
 		}
 
 		async runInView(accessor: ServicesAccessor, view: ChatViewPane) {

src/vs/workbench/contrib/chat/browser/actions/chatMoveActions.ts

@@ -29,8 +29,8 @@ enum MoveToNewLocation {
 const getMoveToChatActionDescriptorForViewTitle = (viewId: string, providerId: string, moveTo: MoveToNewLocation): Readonly<IAction2Options> & { viewId: string } => ({
 	id: `workbench.action.chat.${providerId}.openIn${moveTo}`,
 	title: {
-		value: moveTo === MoveToNewLocation.Editor ? localize('chat.openInEditor.label', "Open Session in Editor") : localize('chat.openInNewWindow.label', "Open Session in New Window"),
-		original: moveTo === MoveToNewLocation.Editor ? 'Open Session in Editor' : 'Open Session in New Window',
+		value: moveTo === MoveToNewLocation.Editor ? localize('chat.openInEditor.label', "Open Chat in Editor") : localize('chat.openInNewWindow.label', "Open Chat in New Window"),
+		original: moveTo === MoveToNewLocation.Editor ? 'Open Chat in Editor' : 'Open Chat in New Window',
 	},
 	category: CHAT_CATEGORY,
 	precondition: CONTEXT_PROVIDER_EXISTS,
@@ -78,8 +78,8 @@ export function registerMoveActions() {
 			super({
 				id: `workbench.action.chat.openInEditor`,
 				title: {
-					value: localize('interactiveSession.openInEditor.label', "Open Session in Editor"),
-					original: 'Open Session in Editor'
+					value: localize('interactiveSession.openInEditor.label', "Open Chat in Editor"),
+					original: 'Open Chat in Editor'
 				},
 				category: CHAT_CATEGORY,
 				precondition: CONTEXT_PROVIDER_EXISTS,
@@ -98,8 +98,8 @@ export function registerMoveActions() {
 			super({
 				id: `workbench.action.chat.openInNewWindow`,
 				title: {
-					value: localize('interactiveSession.openInNewWindow.label', "Open Session in New Window"),
-					original: 'Open Session In New Window'
+					value: localize('interactiveSession.openInNewWindow.label', "Open Chat in New Window"),
+					original: 'Open Chat In New Window'
 				},
 				category: CHAT_CATEGORY,
 				precondition: CONTEXT_PROVIDER_EXISTS,
@@ -117,8 +117,8 @@ export function registerMoveActions() {
 			super({
 				id: `workbench.action.chat.openInSidebar`,
 				title: {
-					value: localize('interactiveSession.openInSidebar.label', "Open Session in Side Bar"),
-					original: 'Open Session in Side Bar'
+					value: localize('interactiveSession.openInSidebar.label', "Open Chat in Side Bar"),
+					original: 'Open Chat in Side Bar'
 				},
 				category: CHAT_CATEGORY,
 				precondition: CONTEXT_PROVIDER_EXISTS,

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

@@ -37,7 +37,7 @@ import { IEditorResolverService, RegisteredEditorPriority } from 'vs/workbench/s
 import { LifecyclePhase } from 'vs/workbench/services/lifecycle/common/lifecycle';
 import '../common/chatColors';
 import { registerMoveActions } from 'vs/workbench/contrib/chat/browser/actions/chatMoveActions';
-import { ACTION_ID_CLEAR_CHAT, registerClearActions } from 'vs/workbench/contrib/chat/browser/actions/chatClearActions';
+import { ACTION_ID_NEW_CHAT, registerNewChatActions } from 'vs/workbench/contrib/chat/browser/actions/chatClearActions';
 import { AccessibleViewType, IAccessibleViewService } from 'vs/workbench/contrib/accessibility/browser/accessibleView';
 import { isResponseVM } from 'vs/workbench/contrib/chat/common/chatViewModel';
 import { CONTEXT_IN_CHAT_SESSION } from 'vs/workbench/contrib/chat/common/chatContextKeys';
@@ -227,12 +227,12 @@ class ChatSlashStaticSlashCommandsContribution extends Disposable {
 	) {
 		super();
 		this._store.add(slashCommandService.registerSlashCommand({
-			command: 'clear',
-			detail: nls.localize('clear', "Clear the session"),
-			sortText: 'z2_clear',
+			command: 'newChat',
+			detail: nls.localize('newChat', "Start a new chat"),
+			sortText: 'z2_newChat',
 			executeImmediately: true
 		}, async () => {
-			commandService.executeCommand(ACTION_ID_CLEAR_CHAT);
+			commandService.executeCommand(ACTION_ID_NEW_CHAT);
 		}));
 		this._store.add(slashCommandService.registerSlashCommand({
 			command: 'help',
@@ -295,7 +295,7 @@ registerChatExecuteActions();
 registerQuickChatActions();
 registerChatExportActions();
 registerMoveActions();
-registerClearActions();
+registerNewChatActions();
 
 registerSingleton(IChatService, ChatService, InstantiationType.Delayed);
 registerSingleton(IChatContributionService, ChatContributionService, InstantiationType.Delayed);

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

@@ -14,7 +14,7 @@ import { ViewPaneContainer } from 'vs/workbench/browser/parts/views/viewPaneCont
 import { IWorkbenchContribution, IWorkbenchContributionsRegistry, Extensions as WorkbenchExtensions } from 'vs/workbench/common/contributions';
 import { IViewContainersRegistry, IViewDescriptor, IViewsRegistry, ViewContainer, ViewContainerLocation, Extensions as ViewExtensions } from 'vs/workbench/common/views';
 import { getHistoryAction, getOpenChatEditorAction } from 'vs/workbench/contrib/chat/browser/actions/chatActions';
-import { getClearAction } from 'vs/workbench/contrib/chat/browser/actions/chatClearActions';
+import { getNewChatAction } from 'vs/workbench/contrib/chat/browser/actions/chatClearActions';
 import { getMoveToEditorAction, getMoveToNewWindowAction } from 'vs/workbench/contrib/chat/browser/actions/chatMoveActions';
 import { getQuickChatActionForProvider } from 'vs/workbench/contrib/chat/browser/actions/chatQuickInputActions';
 import { CHAT_SIDEBAR_PANEL_ID, ChatViewPane, IChatViewOptions } from 'vs/workbench/contrib/chat/browser/chatViewPane';
@@ -135,7 +135,7 @@ export class ChatExtensionPointHandler implements IWorkbenchContribution {
 		// Actions in view title
 		const disposables = new DisposableStore();
 		disposables.add(registerAction2(getHistoryAction(viewId, providerDescriptor.id)));
-		disposables.add(registerAction2(getClearAction(viewId, providerDescriptor.id)));
+		disposables.add(registerAction2(getNewChatAction(viewId, providerDescriptor.id)));
 		disposables.add(registerAction2(getMoveToEditorAction(viewId, providerDescriptor.id)));
 		disposables.add(registerAction2(getMoveToNewWindowAction(viewId, providerDescriptor.id)));
 

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

@@ -314,6 +314,7 @@ export interface IChatService {
 	addCompleteRequest(sessionId: string, message: IParsedChatRequest | string, response: IChatCompleteResponse): void;
 	sendRequestToProvider(sessionId: string, message: IChatDynamicRequest): void;
 	getHistory(): IChatDetail[];
+	clearAllHistoryEntries(): void;
 	removeHistoryEntry(sessionId: string): void;
 
 	onDidPerformUserAction: Event<IChatUserActionEvent>;

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

@@ -135,7 +135,7 @@ export class ChatService extends Disposable implements IChatService {
 
 	private readonly _sessionModels = this._register(new DisposableMap<string, ChatModel>());
 	private readonly _pendingRequests = this._register(new DisposableMap<string, CancellationTokenSource>());
-	private readonly _persistedSessions: ISerializableChatsData;
+	private _persistedSessions: ISerializableChatsData;
 	private readonly _hasProvider: IContextKey<boolean>;
 
 	private _transferredSessionData: IChatTransferredSessionData | undefined;
@@ -331,6 +331,12 @@ export class ChatService extends Disposable implements IChatService {
 
 	removeHistoryEntry(sessionId: string): void {
 		delete this._persistedSessions[sessionId];
+		this.saveState();
+	}
+
+	clearAllHistoryEntries(): void {
+		this._persistedSessions = {};
+		this.saveState();
 	}
 
 	startSession(providerId: string, token: CancellationToken): ChatModel {